forked from OSchip/llvm-project
6527 lines
249 KiB
C++
6527 lines
249 KiB
C++
//===---------------- SemaCodeComplete.cpp - Code Completion ----*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines the code-completion semantic actions.
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//
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//===----------------------------------------------------------------------===//
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#include "clang/Sema/SemaInternal.h"
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#include "clang/Sema/Lookup.h"
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#include "clang/Sema/Overload.h"
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#include "clang/Sema/CodeCompleteConsumer.h"
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#include "clang/Sema/ExternalSemaSource.h"
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#include "clang/Sema/Scope.h"
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#include "clang/Sema/ScopeInfo.h"
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#include "clang/AST/DeclObjC.h"
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#include "clang/AST/ExprCXX.h"
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#include "clang/AST/ExprObjC.h"
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#include "clang/Lex/MacroInfo.h"
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#include "clang/Lex/Preprocessor.h"
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#include "llvm/ADT/DenseSet.h"
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#include "llvm/ADT/SmallPtrSet.h"
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#include "llvm/ADT/StringExtras.h"
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#include "llvm/ADT/StringSwitch.h"
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#include "llvm/ADT/Twine.h"
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#include <list>
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#include <map>
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#include <vector>
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using namespace clang;
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using namespace sema;
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namespace {
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/// \brief A container of code-completion results.
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class ResultBuilder {
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public:
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/// \brief The type of a name-lookup filter, which can be provided to the
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/// name-lookup routines to specify which declarations should be included in
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/// the result set (when it returns true) and which declarations should be
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/// filtered out (returns false).
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typedef bool (ResultBuilder::*LookupFilter)(NamedDecl *) const;
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typedef CodeCompletionResult Result;
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private:
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/// \brief The actual results we have found.
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std::vector<Result> Results;
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/// \brief A record of all of the declarations we have found and placed
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/// into the result set, used to ensure that no declaration ever gets into
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/// the result set twice.
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llvm::SmallPtrSet<Decl*, 16> AllDeclsFound;
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typedef std::pair<NamedDecl *, unsigned> DeclIndexPair;
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/// \brief An entry in the shadow map, which is optimized to store
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/// a single (declaration, index) mapping (the common case) but
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/// can also store a list of (declaration, index) mappings.
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class ShadowMapEntry {
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typedef llvm::SmallVector<DeclIndexPair, 4> DeclIndexPairVector;
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/// \brief Contains either the solitary NamedDecl * or a vector
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/// of (declaration, index) pairs.
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llvm::PointerUnion<NamedDecl *, DeclIndexPairVector*> DeclOrVector;
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/// \brief When the entry contains a single declaration, this is
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/// the index associated with that entry.
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unsigned SingleDeclIndex;
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public:
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ShadowMapEntry() : DeclOrVector(), SingleDeclIndex(0) { }
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void Add(NamedDecl *ND, unsigned Index) {
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if (DeclOrVector.isNull()) {
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// 0 - > 1 elements: just set the single element information.
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DeclOrVector = ND;
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SingleDeclIndex = Index;
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return;
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}
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if (NamedDecl *PrevND = DeclOrVector.dyn_cast<NamedDecl *>()) {
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// 1 -> 2 elements: create the vector of results and push in the
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// existing declaration.
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DeclIndexPairVector *Vec = new DeclIndexPairVector;
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Vec->push_back(DeclIndexPair(PrevND, SingleDeclIndex));
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DeclOrVector = Vec;
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}
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// Add the new element to the end of the vector.
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DeclOrVector.get<DeclIndexPairVector*>()->push_back(
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DeclIndexPair(ND, Index));
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}
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void Destroy() {
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if (DeclIndexPairVector *Vec
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= DeclOrVector.dyn_cast<DeclIndexPairVector *>()) {
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delete Vec;
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DeclOrVector = ((NamedDecl *)0);
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}
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}
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// Iteration.
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class iterator;
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iterator begin() const;
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iterator end() const;
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};
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/// \brief A mapping from declaration names to the declarations that have
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/// this name within a particular scope and their index within the list of
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/// results.
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typedef llvm::DenseMap<DeclarationName, ShadowMapEntry> ShadowMap;
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/// \brief The semantic analysis object for which results are being
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/// produced.
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Sema &SemaRef;
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/// \brief The allocator used to allocate new code-completion strings.
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CodeCompletionAllocator &Allocator;
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/// \brief If non-NULL, a filter function used to remove any code-completion
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/// results that are not desirable.
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LookupFilter Filter;
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/// \brief Whether we should allow declarations as
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/// nested-name-specifiers that would otherwise be filtered out.
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bool AllowNestedNameSpecifiers;
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/// \brief If set, the type that we would prefer our resulting value
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/// declarations to have.
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///
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/// Closely matching the preferred type gives a boost to a result's
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/// priority.
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CanQualType PreferredType;
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/// \brief A list of shadow maps, which is used to model name hiding at
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/// different levels of, e.g., the inheritance hierarchy.
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std::list<ShadowMap> ShadowMaps;
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/// \brief If we're potentially referring to a C++ member function, the set
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/// of qualifiers applied to the object type.
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Qualifiers ObjectTypeQualifiers;
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/// \brief Whether the \p ObjectTypeQualifiers field is active.
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bool HasObjectTypeQualifiers;
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/// \brief The selector that we prefer.
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Selector PreferredSelector;
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/// \brief The completion context in which we are gathering results.
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CodeCompletionContext CompletionContext;
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/// \brief If we are in an instance method definition, the @implementation
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/// object.
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ObjCImplementationDecl *ObjCImplementation;
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void AdjustResultPriorityForDecl(Result &R);
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void MaybeAddConstructorResults(Result R);
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public:
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explicit ResultBuilder(Sema &SemaRef, CodeCompletionAllocator &Allocator,
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const CodeCompletionContext &CompletionContext,
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LookupFilter Filter = 0)
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: SemaRef(SemaRef), Allocator(Allocator), Filter(Filter),
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AllowNestedNameSpecifiers(false), HasObjectTypeQualifiers(false),
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CompletionContext(CompletionContext),
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ObjCImplementation(0)
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{
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// If this is an Objective-C instance method definition, dig out the
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// corresponding implementation.
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switch (CompletionContext.getKind()) {
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case CodeCompletionContext::CCC_Expression:
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case CodeCompletionContext::CCC_ObjCMessageReceiver:
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case CodeCompletionContext::CCC_ParenthesizedExpression:
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case CodeCompletionContext::CCC_Statement:
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case CodeCompletionContext::CCC_Recovery:
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if (ObjCMethodDecl *Method = SemaRef.getCurMethodDecl())
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if (Method->isInstanceMethod())
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if (ObjCInterfaceDecl *Interface = Method->getClassInterface())
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ObjCImplementation = Interface->getImplementation();
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break;
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default:
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break;
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}
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}
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/// \brief Whether we should include code patterns in the completion
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/// results.
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bool includeCodePatterns() const {
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return SemaRef.CodeCompleter &&
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SemaRef.CodeCompleter->includeCodePatterns();
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}
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/// \brief Set the filter used for code-completion results.
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void setFilter(LookupFilter Filter) {
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this->Filter = Filter;
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}
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Result *data() { return Results.empty()? 0 : &Results.front(); }
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unsigned size() const { return Results.size(); }
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bool empty() const { return Results.empty(); }
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/// \brief Specify the preferred type.
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void setPreferredType(QualType T) {
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PreferredType = SemaRef.Context.getCanonicalType(T);
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}
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/// \brief Set the cv-qualifiers on the object type, for us in filtering
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/// calls to member functions.
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///
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/// When there are qualifiers in this set, they will be used to filter
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/// out member functions that aren't available (because there will be a
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/// cv-qualifier mismatch) or prefer functions with an exact qualifier
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/// match.
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void setObjectTypeQualifiers(Qualifiers Quals) {
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ObjectTypeQualifiers = Quals;
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HasObjectTypeQualifiers = true;
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}
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/// \brief Set the preferred selector.
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///
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/// When an Objective-C method declaration result is added, and that
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/// method's selector matches this preferred selector, we give that method
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/// a slight priority boost.
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void setPreferredSelector(Selector Sel) {
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PreferredSelector = Sel;
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}
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/// \brief Retrieve the code-completion context for which results are
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/// being collected.
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const CodeCompletionContext &getCompletionContext() const {
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return CompletionContext;
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}
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/// \brief Specify whether nested-name-specifiers are allowed.
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void allowNestedNameSpecifiers(bool Allow = true) {
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AllowNestedNameSpecifiers = Allow;
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}
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/// \brief Return the semantic analysis object for which we are collecting
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/// code completion results.
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Sema &getSema() const { return SemaRef; }
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/// \brief Retrieve the allocator used to allocate code completion strings.
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CodeCompletionAllocator &getAllocator() const { return Allocator; }
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/// \brief Determine whether the given declaration is at all interesting
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/// as a code-completion result.
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///
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/// \param ND the declaration that we are inspecting.
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///
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/// \param AsNestedNameSpecifier will be set true if this declaration is
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/// only interesting when it is a nested-name-specifier.
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bool isInterestingDecl(NamedDecl *ND, bool &AsNestedNameSpecifier) const;
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/// \brief Check whether the result is hidden by the Hiding declaration.
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///
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/// \returns true if the result is hidden and cannot be found, false if
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/// the hidden result could still be found. When false, \p R may be
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/// modified to describe how the result can be found (e.g., via extra
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/// qualification).
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bool CheckHiddenResult(Result &R, DeclContext *CurContext,
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NamedDecl *Hiding);
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/// \brief Add a new result to this result set (if it isn't already in one
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/// of the shadow maps), or replace an existing result (for, e.g., a
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/// redeclaration).
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///
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/// \param CurContext the result to add (if it is unique).
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///
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/// \param R the context in which this result will be named.
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void MaybeAddResult(Result R, DeclContext *CurContext = 0);
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/// \brief Add a new result to this result set, where we already know
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/// the hiding declation (if any).
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///
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/// \param R the result to add (if it is unique).
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///
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/// \param CurContext the context in which this result will be named.
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///
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/// \param Hiding the declaration that hides the result.
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///
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/// \param InBaseClass whether the result was found in a base
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/// class of the searched context.
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void AddResult(Result R, DeclContext *CurContext, NamedDecl *Hiding,
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bool InBaseClass);
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/// \brief Add a new non-declaration result to this result set.
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void AddResult(Result R);
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/// \brief Enter into a new scope.
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void EnterNewScope();
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/// \brief Exit from the current scope.
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void ExitScope();
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/// \brief Ignore this declaration, if it is seen again.
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void Ignore(Decl *D) { AllDeclsFound.insert(D->getCanonicalDecl()); }
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/// \name Name lookup predicates
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///
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/// These predicates can be passed to the name lookup functions to filter the
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/// results of name lookup. All of the predicates have the same type, so that
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///
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//@{
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bool IsOrdinaryName(NamedDecl *ND) const;
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bool IsOrdinaryNonTypeName(NamedDecl *ND) const;
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bool IsIntegralConstantValue(NamedDecl *ND) const;
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bool IsOrdinaryNonValueName(NamedDecl *ND) const;
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bool IsNestedNameSpecifier(NamedDecl *ND) const;
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bool IsEnum(NamedDecl *ND) const;
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bool IsClassOrStruct(NamedDecl *ND) const;
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bool IsUnion(NamedDecl *ND) const;
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bool IsNamespace(NamedDecl *ND) const;
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bool IsNamespaceOrAlias(NamedDecl *ND) const;
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bool IsType(NamedDecl *ND) const;
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bool IsMember(NamedDecl *ND) const;
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bool IsObjCIvar(NamedDecl *ND) const;
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bool IsObjCMessageReceiver(NamedDecl *ND) const;
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bool IsObjCCollection(NamedDecl *ND) const;
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bool IsImpossibleToSatisfy(NamedDecl *ND) const;
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//@}
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};
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}
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class ResultBuilder::ShadowMapEntry::iterator {
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llvm::PointerUnion<NamedDecl*, const DeclIndexPair*> DeclOrIterator;
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unsigned SingleDeclIndex;
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public:
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typedef DeclIndexPair value_type;
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typedef value_type reference;
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typedef std::ptrdiff_t difference_type;
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typedef std::input_iterator_tag iterator_category;
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class pointer {
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DeclIndexPair Value;
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public:
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pointer(const DeclIndexPair &Value) : Value(Value) { }
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const DeclIndexPair *operator->() const {
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return &Value;
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}
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};
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iterator() : DeclOrIterator((NamedDecl *)0), SingleDeclIndex(0) { }
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iterator(NamedDecl *SingleDecl, unsigned Index)
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: DeclOrIterator(SingleDecl), SingleDeclIndex(Index) { }
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iterator(const DeclIndexPair *Iterator)
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: DeclOrIterator(Iterator), SingleDeclIndex(0) { }
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iterator &operator++() {
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if (DeclOrIterator.is<NamedDecl *>()) {
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DeclOrIterator = (NamedDecl *)0;
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SingleDeclIndex = 0;
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return *this;
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}
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const DeclIndexPair *I = DeclOrIterator.get<const DeclIndexPair*>();
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++I;
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DeclOrIterator = I;
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return *this;
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}
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/*iterator operator++(int) {
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iterator tmp(*this);
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++(*this);
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return tmp;
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}*/
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reference operator*() const {
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if (NamedDecl *ND = DeclOrIterator.dyn_cast<NamedDecl *>())
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return reference(ND, SingleDeclIndex);
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return *DeclOrIterator.get<const DeclIndexPair*>();
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}
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pointer operator->() const {
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return pointer(**this);
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}
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friend bool operator==(const iterator &X, const iterator &Y) {
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return X.DeclOrIterator.getOpaqueValue()
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== Y.DeclOrIterator.getOpaqueValue() &&
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X.SingleDeclIndex == Y.SingleDeclIndex;
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}
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friend bool operator!=(const iterator &X, const iterator &Y) {
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return !(X == Y);
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}
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};
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ResultBuilder::ShadowMapEntry::iterator
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ResultBuilder::ShadowMapEntry::begin() const {
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if (DeclOrVector.isNull())
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return iterator();
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if (NamedDecl *ND = DeclOrVector.dyn_cast<NamedDecl *>())
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return iterator(ND, SingleDeclIndex);
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return iterator(DeclOrVector.get<DeclIndexPairVector *>()->begin());
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}
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ResultBuilder::ShadowMapEntry::iterator
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ResultBuilder::ShadowMapEntry::end() const {
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if (DeclOrVector.is<NamedDecl *>() || DeclOrVector.isNull())
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return iterator();
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return iterator(DeclOrVector.get<DeclIndexPairVector *>()->end());
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}
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/// \brief Compute the qualification required to get from the current context
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/// (\p CurContext) to the target context (\p TargetContext).
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///
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/// \param Context the AST context in which the qualification will be used.
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///
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/// \param CurContext the context where an entity is being named, which is
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/// typically based on the current scope.
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///
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/// \param TargetContext the context in which the named entity actually
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/// resides.
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///
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/// \returns a nested name specifier that refers into the target context, or
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/// NULL if no qualification is needed.
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static NestedNameSpecifier *
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getRequiredQualification(ASTContext &Context,
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DeclContext *CurContext,
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DeclContext *TargetContext) {
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llvm::SmallVector<DeclContext *, 4> TargetParents;
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for (DeclContext *CommonAncestor = TargetContext;
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CommonAncestor && !CommonAncestor->Encloses(CurContext);
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CommonAncestor = CommonAncestor->getLookupParent()) {
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if (CommonAncestor->isTransparentContext() ||
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CommonAncestor->isFunctionOrMethod())
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continue;
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TargetParents.push_back(CommonAncestor);
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}
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NestedNameSpecifier *Result = 0;
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while (!TargetParents.empty()) {
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DeclContext *Parent = TargetParents.back();
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TargetParents.pop_back();
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if (NamespaceDecl *Namespace = dyn_cast<NamespaceDecl>(Parent)) {
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if (!Namespace->getIdentifier())
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continue;
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Result = NestedNameSpecifier::Create(Context, Result, Namespace);
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}
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else if (TagDecl *TD = dyn_cast<TagDecl>(Parent))
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Result = NestedNameSpecifier::Create(Context, Result,
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false,
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Context.getTypeDeclType(TD).getTypePtr());
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}
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return Result;
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}
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bool ResultBuilder::isInterestingDecl(NamedDecl *ND,
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bool &AsNestedNameSpecifier) const {
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AsNestedNameSpecifier = false;
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ND = ND->getUnderlyingDecl();
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unsigned IDNS = ND->getIdentifierNamespace();
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// Skip unnamed entities.
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if (!ND->getDeclName())
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return false;
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// Friend declarations and declarations introduced due to friends are never
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// added as results.
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if (IDNS & (Decl::IDNS_OrdinaryFriend | Decl::IDNS_TagFriend))
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return false;
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// Class template (partial) specializations are never added as results.
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if (isa<ClassTemplateSpecializationDecl>(ND) ||
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isa<ClassTemplatePartialSpecializationDecl>(ND))
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return false;
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// Using declarations themselves are never added as results.
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if (isa<UsingDecl>(ND))
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return false;
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// Some declarations have reserved names that we don't want to ever show.
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if (const IdentifierInfo *Id = ND->getIdentifier()) {
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// __va_list_tag is a freak of nature. Find it and skip it.
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if (Id->isStr("__va_list_tag") || Id->isStr("__builtin_va_list"))
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return false;
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// Filter out names reserved for the implementation (C99 7.1.3,
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// C++ [lib.global.names]) if they come from a system header.
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//
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// FIXME: Add predicate for this.
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if (Id->getLength() >= 2) {
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const char *Name = Id->getNameStart();
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if (Name[0] == '_' &&
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(Name[1] == '_' || (Name[1] >= 'A' && Name[1] <= 'Z')) &&
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(ND->getLocation().isInvalid() ||
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SemaRef.SourceMgr.isInSystemHeader(
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SemaRef.SourceMgr.getSpellingLoc(ND->getLocation()))))
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return false;
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}
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}
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// Skip out-of-line declarations and definitions.
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// NOTE: Unless it's an Objective-C property, method, or ivar, where
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// the contexts can be messy.
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if (!ND->getDeclContext()->Equals(ND->getLexicalDeclContext()) &&
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!(isa<ObjCPropertyDecl>(ND) || isa<ObjCIvarDecl>(ND) ||
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isa<ObjCMethodDecl>(ND)))
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return false;
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|
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if (Filter == &ResultBuilder::IsNestedNameSpecifier ||
|
|
((isa<NamespaceDecl>(ND) || isa<NamespaceAliasDecl>(ND)) &&
|
|
Filter != &ResultBuilder::IsNamespace &&
|
|
Filter != &ResultBuilder::IsNamespaceOrAlias &&
|
|
Filter != 0))
|
|
AsNestedNameSpecifier = true;
|
|
|
|
// Filter out any unwanted results.
|
|
if (Filter && !(this->*Filter)(ND)) {
|
|
// Check whether it is interesting as a nested-name-specifier.
|
|
if (AllowNestedNameSpecifiers && SemaRef.getLangOptions().CPlusPlus &&
|
|
IsNestedNameSpecifier(ND) &&
|
|
(Filter != &ResultBuilder::IsMember ||
|
|
(isa<CXXRecordDecl>(ND) &&
|
|
cast<CXXRecordDecl>(ND)->isInjectedClassName()))) {
|
|
AsNestedNameSpecifier = true;
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
// ... then it must be interesting!
|
|
return true;
|
|
}
|
|
|
|
bool ResultBuilder::CheckHiddenResult(Result &R, DeclContext *CurContext,
|
|
NamedDecl *Hiding) {
|
|
// In C, there is no way to refer to a hidden name.
|
|
// FIXME: This isn't true; we can find a tag name hidden by an ordinary
|
|
// name if we introduce the tag type.
|
|
if (!SemaRef.getLangOptions().CPlusPlus)
|
|
return true;
|
|
|
|
DeclContext *HiddenCtx = R.Declaration->getDeclContext()->getRedeclContext();
|
|
|
|
// There is no way to qualify a name declared in a function or method.
|
|
if (HiddenCtx->isFunctionOrMethod())
|
|
return true;
|
|
|
|
if (HiddenCtx == Hiding->getDeclContext()->getRedeclContext())
|
|
return true;
|
|
|
|
// We can refer to the result with the appropriate qualification. Do it.
|
|
R.Hidden = true;
|
|
R.QualifierIsInformative = false;
|
|
|
|
if (!R.Qualifier)
|
|
R.Qualifier = getRequiredQualification(SemaRef.Context,
|
|
CurContext,
|
|
R.Declaration->getDeclContext());
|
|
return false;
|
|
}
|
|
|
|
/// \brief A simplified classification of types used to determine whether two
|
|
/// types are "similar enough" when adjusting priorities.
|
|
SimplifiedTypeClass clang::getSimplifiedTypeClass(CanQualType T) {
|
|
switch (T->getTypeClass()) {
|
|
case Type::Builtin:
|
|
switch (cast<BuiltinType>(T)->getKind()) {
|
|
case BuiltinType::Void:
|
|
return STC_Void;
|
|
|
|
case BuiltinType::NullPtr:
|
|
return STC_Pointer;
|
|
|
|
case BuiltinType::Overload:
|
|
case BuiltinType::Dependent:
|
|
return STC_Other;
|
|
|
|
case BuiltinType::ObjCId:
|
|
case BuiltinType::ObjCClass:
|
|
case BuiltinType::ObjCSel:
|
|
return STC_ObjectiveC;
|
|
|
|
default:
|
|
return STC_Arithmetic;
|
|
}
|
|
return STC_Other;
|
|
|
|
case Type::Complex:
|
|
return STC_Arithmetic;
|
|
|
|
case Type::Pointer:
|
|
return STC_Pointer;
|
|
|
|
case Type::BlockPointer:
|
|
return STC_Block;
|
|
|
|
case Type::LValueReference:
|
|
case Type::RValueReference:
|
|
return getSimplifiedTypeClass(T->getAs<ReferenceType>()->getPointeeType());
|
|
|
|
case Type::ConstantArray:
|
|
case Type::IncompleteArray:
|
|
case Type::VariableArray:
|
|
case Type::DependentSizedArray:
|
|
return STC_Array;
|
|
|
|
case Type::DependentSizedExtVector:
|
|
case Type::Vector:
|
|
case Type::ExtVector:
|
|
return STC_Arithmetic;
|
|
|
|
case Type::FunctionProto:
|
|
case Type::FunctionNoProto:
|
|
return STC_Function;
|
|
|
|
case Type::Record:
|
|
return STC_Record;
|
|
|
|
case Type::Enum:
|
|
return STC_Arithmetic;
|
|
|
|
case Type::ObjCObject:
|
|
case Type::ObjCInterface:
|
|
case Type::ObjCObjectPointer:
|
|
return STC_ObjectiveC;
|
|
|
|
default:
|
|
return STC_Other;
|
|
}
|
|
}
|
|
|
|
/// \brief Get the type that a given expression will have if this declaration
|
|
/// is used as an expression in its "typical" code-completion form.
|
|
QualType clang::getDeclUsageType(ASTContext &C, NamedDecl *ND) {
|
|
ND = cast<NamedDecl>(ND->getUnderlyingDecl());
|
|
|
|
if (TypeDecl *Type = dyn_cast<TypeDecl>(ND))
|
|
return C.getTypeDeclType(Type);
|
|
if (ObjCInterfaceDecl *Iface = dyn_cast<ObjCInterfaceDecl>(ND))
|
|
return C.getObjCInterfaceType(Iface);
|
|
|
|
QualType T;
|
|
if (FunctionDecl *Function = dyn_cast<FunctionDecl>(ND))
|
|
T = Function->getCallResultType();
|
|
else if (ObjCMethodDecl *Method = dyn_cast<ObjCMethodDecl>(ND))
|
|
T = Method->getSendResultType();
|
|
else if (FunctionTemplateDecl *FunTmpl = dyn_cast<FunctionTemplateDecl>(ND))
|
|
T = FunTmpl->getTemplatedDecl()->getCallResultType();
|
|
else if (EnumConstantDecl *Enumerator = dyn_cast<EnumConstantDecl>(ND))
|
|
T = C.getTypeDeclType(cast<EnumDecl>(Enumerator->getDeclContext()));
|
|
else if (ObjCPropertyDecl *Property = dyn_cast<ObjCPropertyDecl>(ND))
|
|
T = Property->getType();
|
|
else if (ValueDecl *Value = dyn_cast<ValueDecl>(ND))
|
|
T = Value->getType();
|
|
else
|
|
return QualType();
|
|
|
|
return T.getNonReferenceType();
|
|
}
|
|
|
|
void ResultBuilder::AdjustResultPriorityForDecl(Result &R) {
|
|
// If this is an Objective-C method declaration whose selector matches our
|
|
// preferred selector, give it a priority boost.
|
|
if (!PreferredSelector.isNull())
|
|
if (ObjCMethodDecl *Method = dyn_cast<ObjCMethodDecl>(R.Declaration))
|
|
if (PreferredSelector == Method->getSelector())
|
|
R.Priority += CCD_SelectorMatch;
|
|
|
|
// If we have a preferred type, adjust the priority for results with exactly-
|
|
// matching or nearly-matching types.
|
|
if (!PreferredType.isNull()) {
|
|
QualType T = getDeclUsageType(SemaRef.Context, R.Declaration);
|
|
if (!T.isNull()) {
|
|
CanQualType TC = SemaRef.Context.getCanonicalType(T);
|
|
// Check for exactly-matching types (modulo qualifiers).
|
|
if (SemaRef.Context.hasSameUnqualifiedType(PreferredType, TC))
|
|
R.Priority /= CCF_ExactTypeMatch;
|
|
// Check for nearly-matching types, based on classification of each.
|
|
else if ((getSimplifiedTypeClass(PreferredType)
|
|
== getSimplifiedTypeClass(TC)) &&
|
|
!(PreferredType->isEnumeralType() && TC->isEnumeralType()))
|
|
R.Priority /= CCF_SimilarTypeMatch;
|
|
}
|
|
}
|
|
}
|
|
|
|
void ResultBuilder::MaybeAddConstructorResults(Result R) {
|
|
if (!SemaRef.getLangOptions().CPlusPlus || !R.Declaration ||
|
|
!CompletionContext.wantConstructorResults())
|
|
return;
|
|
|
|
ASTContext &Context = SemaRef.Context;
|
|
NamedDecl *D = R.Declaration;
|
|
CXXRecordDecl *Record = 0;
|
|
if (ClassTemplateDecl *ClassTemplate = dyn_cast<ClassTemplateDecl>(D))
|
|
Record = ClassTemplate->getTemplatedDecl();
|
|
else if ((Record = dyn_cast<CXXRecordDecl>(D))) {
|
|
// Skip specializations and partial specializations.
|
|
if (isa<ClassTemplateSpecializationDecl>(Record))
|
|
return;
|
|
} else {
|
|
// There are no constructors here.
|
|
return;
|
|
}
|
|
|
|
Record = Record->getDefinition();
|
|
if (!Record)
|
|
return;
|
|
|
|
|
|
QualType RecordTy = Context.getTypeDeclType(Record);
|
|
DeclarationName ConstructorName
|
|
= Context.DeclarationNames.getCXXConstructorName(
|
|
Context.getCanonicalType(RecordTy));
|
|
for (DeclContext::lookup_result Ctors = Record->lookup(ConstructorName);
|
|
Ctors.first != Ctors.second; ++Ctors.first) {
|
|
R.Declaration = *Ctors.first;
|
|
R.CursorKind = getCursorKindForDecl(R.Declaration);
|
|
Results.push_back(R);
|
|
}
|
|
}
|
|
|
|
void ResultBuilder::MaybeAddResult(Result R, DeclContext *CurContext) {
|
|
assert(!ShadowMaps.empty() && "Must enter into a results scope");
|
|
|
|
if (R.Kind != Result::RK_Declaration) {
|
|
// For non-declaration results, just add the result.
|
|
Results.push_back(R);
|
|
return;
|
|
}
|
|
|
|
// Look through using declarations.
|
|
if (UsingShadowDecl *Using = dyn_cast<UsingShadowDecl>(R.Declaration)) {
|
|
MaybeAddResult(Result(Using->getTargetDecl(), R.Qualifier), CurContext);
|
|
return;
|
|
}
|
|
|
|
Decl *CanonDecl = R.Declaration->getCanonicalDecl();
|
|
unsigned IDNS = CanonDecl->getIdentifierNamespace();
|
|
|
|
bool AsNestedNameSpecifier = false;
|
|
if (!isInterestingDecl(R.Declaration, AsNestedNameSpecifier))
|
|
return;
|
|
|
|
// C++ constructors are never found by name lookup.
|
|
if (isa<CXXConstructorDecl>(R.Declaration))
|
|
return;
|
|
|
|
ShadowMap &SMap = ShadowMaps.back();
|
|
ShadowMapEntry::iterator I, IEnd;
|
|
ShadowMap::iterator NamePos = SMap.find(R.Declaration->getDeclName());
|
|
if (NamePos != SMap.end()) {
|
|
I = NamePos->second.begin();
|
|
IEnd = NamePos->second.end();
|
|
}
|
|
|
|
for (; I != IEnd; ++I) {
|
|
NamedDecl *ND = I->first;
|
|
unsigned Index = I->second;
|
|
if (ND->getCanonicalDecl() == CanonDecl) {
|
|
// This is a redeclaration. Always pick the newer declaration.
|
|
Results[Index].Declaration = R.Declaration;
|
|
|
|
// We're done.
|
|
return;
|
|
}
|
|
}
|
|
|
|
// This is a new declaration in this scope. However, check whether this
|
|
// declaration name is hidden by a similarly-named declaration in an outer
|
|
// scope.
|
|
std::list<ShadowMap>::iterator SM, SMEnd = ShadowMaps.end();
|
|
--SMEnd;
|
|
for (SM = ShadowMaps.begin(); SM != SMEnd; ++SM) {
|
|
ShadowMapEntry::iterator I, IEnd;
|
|
ShadowMap::iterator NamePos = SM->find(R.Declaration->getDeclName());
|
|
if (NamePos != SM->end()) {
|
|
I = NamePos->second.begin();
|
|
IEnd = NamePos->second.end();
|
|
}
|
|
for (; I != IEnd; ++I) {
|
|
// A tag declaration does not hide a non-tag declaration.
|
|
if (I->first->hasTagIdentifierNamespace() &&
|
|
(IDNS & (Decl::IDNS_Member | Decl::IDNS_Ordinary |
|
|
Decl::IDNS_ObjCProtocol)))
|
|
continue;
|
|
|
|
// Protocols are in distinct namespaces from everything else.
|
|
if (((I->first->getIdentifierNamespace() & Decl::IDNS_ObjCProtocol)
|
|
|| (IDNS & Decl::IDNS_ObjCProtocol)) &&
|
|
I->first->getIdentifierNamespace() != IDNS)
|
|
continue;
|
|
|
|
// The newly-added result is hidden by an entry in the shadow map.
|
|
if (CheckHiddenResult(R, CurContext, I->first))
|
|
return;
|
|
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Make sure that any given declaration only shows up in the result set once.
|
|
if (!AllDeclsFound.insert(CanonDecl))
|
|
return;
|
|
|
|
// If the filter is for nested-name-specifiers, then this result starts a
|
|
// nested-name-specifier.
|
|
if (AsNestedNameSpecifier) {
|
|
R.StartsNestedNameSpecifier = true;
|
|
R.Priority = CCP_NestedNameSpecifier;
|
|
} else
|
|
AdjustResultPriorityForDecl(R);
|
|
|
|
// If this result is supposed to have an informative qualifier, add one.
|
|
if (R.QualifierIsInformative && !R.Qualifier &&
|
|
!R.StartsNestedNameSpecifier) {
|
|
DeclContext *Ctx = R.Declaration->getDeclContext();
|
|
if (NamespaceDecl *Namespace = dyn_cast<NamespaceDecl>(Ctx))
|
|
R.Qualifier = NestedNameSpecifier::Create(SemaRef.Context, 0, Namespace);
|
|
else if (TagDecl *Tag = dyn_cast<TagDecl>(Ctx))
|
|
R.Qualifier = NestedNameSpecifier::Create(SemaRef.Context, 0, false,
|
|
SemaRef.Context.getTypeDeclType(Tag).getTypePtr());
|
|
else
|
|
R.QualifierIsInformative = false;
|
|
}
|
|
|
|
// Insert this result into the set of results and into the current shadow
|
|
// map.
|
|
SMap[R.Declaration->getDeclName()].Add(R.Declaration, Results.size());
|
|
Results.push_back(R);
|
|
|
|
if (!AsNestedNameSpecifier)
|
|
MaybeAddConstructorResults(R);
|
|
}
|
|
|
|
void ResultBuilder::AddResult(Result R, DeclContext *CurContext,
|
|
NamedDecl *Hiding, bool InBaseClass = false) {
|
|
if (R.Kind != Result::RK_Declaration) {
|
|
// For non-declaration results, just add the result.
|
|
Results.push_back(R);
|
|
return;
|
|
}
|
|
|
|
// Look through using declarations.
|
|
if (UsingShadowDecl *Using = dyn_cast<UsingShadowDecl>(R.Declaration)) {
|
|
AddResult(Result(Using->getTargetDecl(), R.Qualifier), CurContext, Hiding);
|
|
return;
|
|
}
|
|
|
|
bool AsNestedNameSpecifier = false;
|
|
if (!isInterestingDecl(R.Declaration, AsNestedNameSpecifier))
|
|
return;
|
|
|
|
// C++ constructors are never found by name lookup.
|
|
if (isa<CXXConstructorDecl>(R.Declaration))
|
|
return;
|
|
|
|
if (Hiding && CheckHiddenResult(R, CurContext, Hiding))
|
|
return;
|
|
|
|
// Make sure that any given declaration only shows up in the result set once.
|
|
if (!AllDeclsFound.insert(R.Declaration->getCanonicalDecl()))
|
|
return;
|
|
|
|
// If the filter is for nested-name-specifiers, then this result starts a
|
|
// nested-name-specifier.
|
|
if (AsNestedNameSpecifier) {
|
|
R.StartsNestedNameSpecifier = true;
|
|
R.Priority = CCP_NestedNameSpecifier;
|
|
}
|
|
else if (Filter == &ResultBuilder::IsMember && !R.Qualifier && InBaseClass &&
|
|
isa<CXXRecordDecl>(R.Declaration->getDeclContext()
|
|
->getRedeclContext()))
|
|
R.QualifierIsInformative = true;
|
|
|
|
// If this result is supposed to have an informative qualifier, add one.
|
|
if (R.QualifierIsInformative && !R.Qualifier &&
|
|
!R.StartsNestedNameSpecifier) {
|
|
DeclContext *Ctx = R.Declaration->getDeclContext();
|
|
if (NamespaceDecl *Namespace = dyn_cast<NamespaceDecl>(Ctx))
|
|
R.Qualifier = NestedNameSpecifier::Create(SemaRef.Context, 0, Namespace);
|
|
else if (TagDecl *Tag = dyn_cast<TagDecl>(Ctx))
|
|
R.Qualifier = NestedNameSpecifier::Create(SemaRef.Context, 0, false,
|
|
SemaRef.Context.getTypeDeclType(Tag).getTypePtr());
|
|
else
|
|
R.QualifierIsInformative = false;
|
|
}
|
|
|
|
// Adjust the priority if this result comes from a base class.
|
|
if (InBaseClass)
|
|
R.Priority += CCD_InBaseClass;
|
|
|
|
AdjustResultPriorityForDecl(R);
|
|
|
|
if (HasObjectTypeQualifiers)
|
|
if (CXXMethodDecl *Method = dyn_cast<CXXMethodDecl>(R.Declaration))
|
|
if (Method->isInstance()) {
|
|
Qualifiers MethodQuals
|
|
= Qualifiers::fromCVRMask(Method->getTypeQualifiers());
|
|
if (ObjectTypeQualifiers == MethodQuals)
|
|
R.Priority += CCD_ObjectQualifierMatch;
|
|
else if (ObjectTypeQualifiers - MethodQuals) {
|
|
// The method cannot be invoked, because doing so would drop
|
|
// qualifiers.
|
|
return;
|
|
}
|
|
}
|
|
|
|
// Insert this result into the set of results.
|
|
Results.push_back(R);
|
|
|
|
if (!AsNestedNameSpecifier)
|
|
MaybeAddConstructorResults(R);
|
|
}
|
|
|
|
void ResultBuilder::AddResult(Result R) {
|
|
assert(R.Kind != Result::RK_Declaration &&
|
|
"Declaration results need more context");
|
|
Results.push_back(R);
|
|
}
|
|
|
|
/// \brief Enter into a new scope.
|
|
void ResultBuilder::EnterNewScope() {
|
|
ShadowMaps.push_back(ShadowMap());
|
|
}
|
|
|
|
/// \brief Exit from the current scope.
|
|
void ResultBuilder::ExitScope() {
|
|
for (ShadowMap::iterator E = ShadowMaps.back().begin(),
|
|
EEnd = ShadowMaps.back().end();
|
|
E != EEnd;
|
|
++E)
|
|
E->second.Destroy();
|
|
|
|
ShadowMaps.pop_back();
|
|
}
|
|
|
|
/// \brief Determines whether this given declaration will be found by
|
|
/// ordinary name lookup.
|
|
bool ResultBuilder::IsOrdinaryName(NamedDecl *ND) const {
|
|
ND = cast<NamedDecl>(ND->getUnderlyingDecl());
|
|
|
|
unsigned IDNS = Decl::IDNS_Ordinary;
|
|
if (SemaRef.getLangOptions().CPlusPlus)
|
|
IDNS |= Decl::IDNS_Tag | Decl::IDNS_Namespace | Decl::IDNS_Member;
|
|
else if (SemaRef.getLangOptions().ObjC1) {
|
|
if (isa<ObjCIvarDecl>(ND))
|
|
return true;
|
|
if (isa<ObjCPropertyDecl>(ND) &&
|
|
SemaRef.canSynthesizeProvisionalIvar(cast<ObjCPropertyDecl>(ND)))
|
|
return true;
|
|
}
|
|
|
|
return ND->getIdentifierNamespace() & IDNS;
|
|
}
|
|
|
|
/// \brief Determines whether this given declaration will be found by
|
|
/// ordinary name lookup but is not a type name.
|
|
bool ResultBuilder::IsOrdinaryNonTypeName(NamedDecl *ND) const {
|
|
ND = cast<NamedDecl>(ND->getUnderlyingDecl());
|
|
if (isa<TypeDecl>(ND) || isa<ObjCInterfaceDecl>(ND))
|
|
return false;
|
|
|
|
unsigned IDNS = Decl::IDNS_Ordinary;
|
|
if (SemaRef.getLangOptions().CPlusPlus)
|
|
IDNS |= Decl::IDNS_Tag | Decl::IDNS_Namespace | Decl::IDNS_Member;
|
|
else if (SemaRef.getLangOptions().ObjC1) {
|
|
if (isa<ObjCIvarDecl>(ND))
|
|
return true;
|
|
if (isa<ObjCPropertyDecl>(ND) &&
|
|
SemaRef.canSynthesizeProvisionalIvar(cast<ObjCPropertyDecl>(ND)))
|
|
return true;
|
|
}
|
|
|
|
return ND->getIdentifierNamespace() & IDNS;
|
|
}
|
|
|
|
bool ResultBuilder::IsIntegralConstantValue(NamedDecl *ND) const {
|
|
if (!IsOrdinaryNonTypeName(ND))
|
|
return 0;
|
|
|
|
if (ValueDecl *VD = dyn_cast<ValueDecl>(ND->getUnderlyingDecl()))
|
|
if (VD->getType()->isIntegralOrEnumerationType())
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
/// \brief Determines whether this given declaration will be found by
|
|
/// ordinary name lookup.
|
|
bool ResultBuilder::IsOrdinaryNonValueName(NamedDecl *ND) const {
|
|
ND = cast<NamedDecl>(ND->getUnderlyingDecl());
|
|
|
|
unsigned IDNS = Decl::IDNS_Ordinary;
|
|
if (SemaRef.getLangOptions().CPlusPlus)
|
|
IDNS |= Decl::IDNS_Tag | Decl::IDNS_Namespace;
|
|
|
|
return (ND->getIdentifierNamespace() & IDNS) &&
|
|
!isa<ValueDecl>(ND) && !isa<FunctionTemplateDecl>(ND) &&
|
|
!isa<ObjCPropertyDecl>(ND);
|
|
}
|
|
|
|
/// \brief Determines whether the given declaration is suitable as the
|
|
/// start of a C++ nested-name-specifier, e.g., a class or namespace.
|
|
bool ResultBuilder::IsNestedNameSpecifier(NamedDecl *ND) const {
|
|
// Allow us to find class templates, too.
|
|
if (ClassTemplateDecl *ClassTemplate = dyn_cast<ClassTemplateDecl>(ND))
|
|
ND = ClassTemplate->getTemplatedDecl();
|
|
|
|
return SemaRef.isAcceptableNestedNameSpecifier(ND);
|
|
}
|
|
|
|
/// \brief Determines whether the given declaration is an enumeration.
|
|
bool ResultBuilder::IsEnum(NamedDecl *ND) const {
|
|
return isa<EnumDecl>(ND);
|
|
}
|
|
|
|
/// \brief Determines whether the given declaration is a class or struct.
|
|
bool ResultBuilder::IsClassOrStruct(NamedDecl *ND) const {
|
|
// Allow us to find class templates, too.
|
|
if (ClassTemplateDecl *ClassTemplate = dyn_cast<ClassTemplateDecl>(ND))
|
|
ND = ClassTemplate->getTemplatedDecl();
|
|
|
|
if (RecordDecl *RD = dyn_cast<RecordDecl>(ND))
|
|
return RD->getTagKind() == TTK_Class ||
|
|
RD->getTagKind() == TTK_Struct;
|
|
|
|
return false;
|
|
}
|
|
|
|
/// \brief Determines whether the given declaration is a union.
|
|
bool ResultBuilder::IsUnion(NamedDecl *ND) const {
|
|
// Allow us to find class templates, too.
|
|
if (ClassTemplateDecl *ClassTemplate = dyn_cast<ClassTemplateDecl>(ND))
|
|
ND = ClassTemplate->getTemplatedDecl();
|
|
|
|
if (RecordDecl *RD = dyn_cast<RecordDecl>(ND))
|
|
return RD->getTagKind() == TTK_Union;
|
|
|
|
return false;
|
|
}
|
|
|
|
/// \brief Determines whether the given declaration is a namespace.
|
|
bool ResultBuilder::IsNamespace(NamedDecl *ND) const {
|
|
return isa<NamespaceDecl>(ND);
|
|
}
|
|
|
|
/// \brief Determines whether the given declaration is a namespace or
|
|
/// namespace alias.
|
|
bool ResultBuilder::IsNamespaceOrAlias(NamedDecl *ND) const {
|
|
return isa<NamespaceDecl>(ND) || isa<NamespaceAliasDecl>(ND);
|
|
}
|
|
|
|
/// \brief Determines whether the given declaration is a type.
|
|
bool ResultBuilder::IsType(NamedDecl *ND) const {
|
|
if (UsingShadowDecl *Using = dyn_cast<UsingShadowDecl>(ND))
|
|
ND = Using->getTargetDecl();
|
|
|
|
return isa<TypeDecl>(ND) || isa<ObjCInterfaceDecl>(ND);
|
|
}
|
|
|
|
/// \brief Determines which members of a class should be visible via
|
|
/// "." or "->". Only value declarations, nested name specifiers, and
|
|
/// using declarations thereof should show up.
|
|
bool ResultBuilder::IsMember(NamedDecl *ND) const {
|
|
if (UsingShadowDecl *Using = dyn_cast<UsingShadowDecl>(ND))
|
|
ND = Using->getTargetDecl();
|
|
|
|
return isa<ValueDecl>(ND) || isa<FunctionTemplateDecl>(ND) ||
|
|
isa<ObjCPropertyDecl>(ND);
|
|
}
|
|
|
|
static bool isObjCReceiverType(ASTContext &C, QualType T) {
|
|
T = C.getCanonicalType(T);
|
|
switch (T->getTypeClass()) {
|
|
case Type::ObjCObject:
|
|
case Type::ObjCInterface:
|
|
case Type::ObjCObjectPointer:
|
|
return true;
|
|
|
|
case Type::Builtin:
|
|
switch (cast<BuiltinType>(T)->getKind()) {
|
|
case BuiltinType::ObjCId:
|
|
case BuiltinType::ObjCClass:
|
|
case BuiltinType::ObjCSel:
|
|
return true;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
return false;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (!C.getLangOptions().CPlusPlus)
|
|
return false;
|
|
|
|
// FIXME: We could perform more analysis here to determine whether a
|
|
// particular class type has any conversions to Objective-C types. For now,
|
|
// just accept all class types.
|
|
return T->isDependentType() || T->isRecordType();
|
|
}
|
|
|
|
bool ResultBuilder::IsObjCMessageReceiver(NamedDecl *ND) const {
|
|
QualType T = getDeclUsageType(SemaRef.Context, ND);
|
|
if (T.isNull())
|
|
return false;
|
|
|
|
T = SemaRef.Context.getBaseElementType(T);
|
|
return isObjCReceiverType(SemaRef.Context, T);
|
|
}
|
|
|
|
bool ResultBuilder::IsObjCCollection(NamedDecl *ND) const {
|
|
if ((SemaRef.getLangOptions().CPlusPlus && !IsOrdinaryName(ND)) ||
|
|
(!SemaRef.getLangOptions().CPlusPlus && !IsOrdinaryNonTypeName(ND)))
|
|
return false;
|
|
|
|
QualType T = getDeclUsageType(SemaRef.Context, ND);
|
|
if (T.isNull())
|
|
return false;
|
|
|
|
T = SemaRef.Context.getBaseElementType(T);
|
|
return T->isObjCObjectType() || T->isObjCObjectPointerType() ||
|
|
T->isObjCIdType() ||
|
|
(SemaRef.getLangOptions().CPlusPlus && T->isRecordType());
|
|
}
|
|
|
|
bool ResultBuilder::IsImpossibleToSatisfy(NamedDecl *ND) const {
|
|
return false;
|
|
}
|
|
|
|
/// \rief Determines whether the given declaration is an Objective-C
|
|
/// instance variable.
|
|
bool ResultBuilder::IsObjCIvar(NamedDecl *ND) const {
|
|
return isa<ObjCIvarDecl>(ND);
|
|
}
|
|
|
|
namespace {
|
|
/// \brief Visible declaration consumer that adds a code-completion result
|
|
/// for each visible declaration.
|
|
class CodeCompletionDeclConsumer : public VisibleDeclConsumer {
|
|
ResultBuilder &Results;
|
|
DeclContext *CurContext;
|
|
|
|
public:
|
|
CodeCompletionDeclConsumer(ResultBuilder &Results, DeclContext *CurContext)
|
|
: Results(Results), CurContext(CurContext) { }
|
|
|
|
virtual void FoundDecl(NamedDecl *ND, NamedDecl *Hiding, bool InBaseClass) {
|
|
Results.AddResult(ND, CurContext, Hiding, InBaseClass);
|
|
}
|
|
};
|
|
}
|
|
|
|
/// \brief Add type specifiers for the current language as keyword results.
|
|
static void AddTypeSpecifierResults(const LangOptions &LangOpts,
|
|
ResultBuilder &Results) {
|
|
typedef CodeCompletionResult Result;
|
|
Results.AddResult(Result("short", CCP_Type));
|
|
Results.AddResult(Result("long", CCP_Type));
|
|
Results.AddResult(Result("signed", CCP_Type));
|
|
Results.AddResult(Result("unsigned", CCP_Type));
|
|
Results.AddResult(Result("void", CCP_Type));
|
|
Results.AddResult(Result("char", CCP_Type));
|
|
Results.AddResult(Result("int", CCP_Type));
|
|
Results.AddResult(Result("float", CCP_Type));
|
|
Results.AddResult(Result("double", CCP_Type));
|
|
Results.AddResult(Result("enum", CCP_Type));
|
|
Results.AddResult(Result("struct", CCP_Type));
|
|
Results.AddResult(Result("union", CCP_Type));
|
|
Results.AddResult(Result("const", CCP_Type));
|
|
Results.AddResult(Result("volatile", CCP_Type));
|
|
|
|
if (LangOpts.C99) {
|
|
// C99-specific
|
|
Results.AddResult(Result("_Complex", CCP_Type));
|
|
Results.AddResult(Result("_Imaginary", CCP_Type));
|
|
Results.AddResult(Result("_Bool", CCP_Type));
|
|
Results.AddResult(Result("restrict", CCP_Type));
|
|
}
|
|
|
|
CodeCompletionBuilder Builder(Results.getAllocator());
|
|
if (LangOpts.CPlusPlus) {
|
|
// C++-specific
|
|
Results.AddResult(Result("bool", CCP_Type +
|
|
(LangOpts.ObjC1? CCD_bool_in_ObjC : 0)));
|
|
Results.AddResult(Result("class", CCP_Type));
|
|
Results.AddResult(Result("wchar_t", CCP_Type));
|
|
|
|
// typename qualified-id
|
|
Builder.AddTypedTextChunk("typename");
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddPlaceholderChunk("qualifier");
|
|
Builder.AddTextChunk("::");
|
|
Builder.AddPlaceholderChunk("name");
|
|
Results.AddResult(Result(Builder.TakeString()));
|
|
|
|
if (LangOpts.CPlusPlus0x) {
|
|
Results.AddResult(Result("auto", CCP_Type));
|
|
Results.AddResult(Result("char16_t", CCP_Type));
|
|
Results.AddResult(Result("char32_t", CCP_Type));
|
|
|
|
Builder.AddTypedTextChunk("decltype");
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddPlaceholderChunk("expression");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
Results.AddResult(Result(Builder.TakeString()));
|
|
}
|
|
}
|
|
|
|
// GNU extensions
|
|
if (LangOpts.GNUMode) {
|
|
// FIXME: Enable when we actually support decimal floating point.
|
|
// Results.AddResult(Result("_Decimal32"));
|
|
// Results.AddResult(Result("_Decimal64"));
|
|
// Results.AddResult(Result("_Decimal128"));
|
|
|
|
Builder.AddTypedTextChunk("typeof");
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddPlaceholderChunk("expression");
|
|
Results.AddResult(Result(Builder.TakeString()));
|
|
|
|
Builder.AddTypedTextChunk("typeof");
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddPlaceholderChunk("type");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
Results.AddResult(Result(Builder.TakeString()));
|
|
}
|
|
}
|
|
|
|
static void AddStorageSpecifiers(Sema::ParserCompletionContext CCC,
|
|
const LangOptions &LangOpts,
|
|
ResultBuilder &Results) {
|
|
typedef CodeCompletionResult Result;
|
|
// Note: we don't suggest either "auto" or "register", because both
|
|
// are pointless as storage specifiers. Elsewhere, we suggest "auto"
|
|
// in C++0x as a type specifier.
|
|
Results.AddResult(Result("extern"));
|
|
Results.AddResult(Result("static"));
|
|
}
|
|
|
|
static void AddFunctionSpecifiers(Sema::ParserCompletionContext CCC,
|
|
const LangOptions &LangOpts,
|
|
ResultBuilder &Results) {
|
|
typedef CodeCompletionResult Result;
|
|
switch (CCC) {
|
|
case Sema::PCC_Class:
|
|
case Sema::PCC_MemberTemplate:
|
|
if (LangOpts.CPlusPlus) {
|
|
Results.AddResult(Result("explicit"));
|
|
Results.AddResult(Result("friend"));
|
|
Results.AddResult(Result("mutable"));
|
|
Results.AddResult(Result("virtual"));
|
|
}
|
|
// Fall through
|
|
|
|
case Sema::PCC_ObjCInterface:
|
|
case Sema::PCC_ObjCImplementation:
|
|
case Sema::PCC_Namespace:
|
|
case Sema::PCC_Template:
|
|
if (LangOpts.CPlusPlus || LangOpts.C99)
|
|
Results.AddResult(Result("inline"));
|
|
break;
|
|
|
|
case Sema::PCC_ObjCInstanceVariableList:
|
|
case Sema::PCC_Expression:
|
|
case Sema::PCC_Statement:
|
|
case Sema::PCC_ForInit:
|
|
case Sema::PCC_Condition:
|
|
case Sema::PCC_RecoveryInFunction:
|
|
case Sema::PCC_Type:
|
|
case Sema::PCC_ParenthesizedExpression:
|
|
case Sema::PCC_LocalDeclarationSpecifiers:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void AddObjCExpressionResults(ResultBuilder &Results, bool NeedAt);
|
|
static void AddObjCStatementResults(ResultBuilder &Results, bool NeedAt);
|
|
static void AddObjCVisibilityResults(const LangOptions &LangOpts,
|
|
ResultBuilder &Results,
|
|
bool NeedAt);
|
|
static void AddObjCImplementationResults(const LangOptions &LangOpts,
|
|
ResultBuilder &Results,
|
|
bool NeedAt);
|
|
static void AddObjCInterfaceResults(const LangOptions &LangOpts,
|
|
ResultBuilder &Results,
|
|
bool NeedAt);
|
|
static void AddObjCTopLevelResults(ResultBuilder &Results, bool NeedAt);
|
|
|
|
static void AddTypedefResult(ResultBuilder &Results) {
|
|
CodeCompletionBuilder Builder(Results.getAllocator());
|
|
Builder.AddTypedTextChunk("typedef");
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddPlaceholderChunk("type");
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddPlaceholderChunk("name");
|
|
Results.AddResult(CodeCompletionResult(Builder.TakeString()));
|
|
}
|
|
|
|
static bool WantTypesInContext(Sema::ParserCompletionContext CCC,
|
|
const LangOptions &LangOpts) {
|
|
switch (CCC) {
|
|
case Sema::PCC_Namespace:
|
|
case Sema::PCC_Class:
|
|
case Sema::PCC_ObjCInstanceVariableList:
|
|
case Sema::PCC_Template:
|
|
case Sema::PCC_MemberTemplate:
|
|
case Sema::PCC_Statement:
|
|
case Sema::PCC_RecoveryInFunction:
|
|
case Sema::PCC_Type:
|
|
case Sema::PCC_ParenthesizedExpression:
|
|
case Sema::PCC_LocalDeclarationSpecifiers:
|
|
return true;
|
|
|
|
case Sema::PCC_Expression:
|
|
case Sema::PCC_Condition:
|
|
return LangOpts.CPlusPlus;
|
|
|
|
case Sema::PCC_ObjCInterface:
|
|
case Sema::PCC_ObjCImplementation:
|
|
return false;
|
|
|
|
case Sema::PCC_ForInit:
|
|
return LangOpts.CPlusPlus || LangOpts.ObjC1 || LangOpts.C99;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/// \brief Add language constructs that show up for "ordinary" names.
|
|
static void AddOrdinaryNameResults(Sema::ParserCompletionContext CCC,
|
|
Scope *S,
|
|
Sema &SemaRef,
|
|
ResultBuilder &Results) {
|
|
CodeCompletionBuilder Builder(Results.getAllocator());
|
|
|
|
typedef CodeCompletionResult Result;
|
|
switch (CCC) {
|
|
case Sema::PCC_Namespace:
|
|
if (SemaRef.getLangOptions().CPlusPlus) {
|
|
if (Results.includeCodePatterns()) {
|
|
// namespace <identifier> { declarations }
|
|
Builder.AddTypedTextChunk("namespace");
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddPlaceholderChunk("identifier");
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftBrace);
|
|
Builder.AddPlaceholderChunk("declarations");
|
|
Builder.AddChunk(CodeCompletionString::CK_VerticalSpace);
|
|
Builder.AddChunk(CodeCompletionString::CK_RightBrace);
|
|
Results.AddResult(Result(Builder.TakeString()));
|
|
}
|
|
|
|
// namespace identifier = identifier ;
|
|
Builder.AddTypedTextChunk("namespace");
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddPlaceholderChunk("name");
|
|
Builder.AddChunk(CodeCompletionString::CK_Equal);
|
|
Builder.AddPlaceholderChunk("namespace");
|
|
Results.AddResult(Result(Builder.TakeString()));
|
|
|
|
// Using directives
|
|
Builder.AddTypedTextChunk("using");
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddTextChunk("namespace");
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddPlaceholderChunk("identifier");
|
|
Results.AddResult(Result(Builder.TakeString()));
|
|
|
|
// asm(string-literal)
|
|
Builder.AddTypedTextChunk("asm");
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddPlaceholderChunk("string-literal");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
Results.AddResult(Result(Builder.TakeString()));
|
|
|
|
if (Results.includeCodePatterns()) {
|
|
// Explicit template instantiation
|
|
Builder.AddTypedTextChunk("template");
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddPlaceholderChunk("declaration");
|
|
Results.AddResult(Result(Builder.TakeString()));
|
|
}
|
|
}
|
|
|
|
if (SemaRef.getLangOptions().ObjC1)
|
|
AddObjCTopLevelResults(Results, true);
|
|
|
|
AddTypedefResult(Results);
|
|
// Fall through
|
|
|
|
case Sema::PCC_Class:
|
|
if (SemaRef.getLangOptions().CPlusPlus) {
|
|
// Using declaration
|
|
Builder.AddTypedTextChunk("using");
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddPlaceholderChunk("qualifier");
|
|
Builder.AddTextChunk("::");
|
|
Builder.AddPlaceholderChunk("name");
|
|
Results.AddResult(Result(Builder.TakeString()));
|
|
|
|
// using typename qualifier::name (only in a dependent context)
|
|
if (SemaRef.CurContext->isDependentContext()) {
|
|
Builder.AddTypedTextChunk("using");
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddTextChunk("typename");
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddPlaceholderChunk("qualifier");
|
|
Builder.AddTextChunk("::");
|
|
Builder.AddPlaceholderChunk("name");
|
|
Results.AddResult(Result(Builder.TakeString()));
|
|
}
|
|
|
|
if (CCC == Sema::PCC_Class) {
|
|
AddTypedefResult(Results);
|
|
|
|
// public:
|
|
Builder.AddTypedTextChunk("public");
|
|
Builder.AddChunk(CodeCompletionString::CK_Colon);
|
|
Results.AddResult(Result(Builder.TakeString()));
|
|
|
|
// protected:
|
|
Builder.AddTypedTextChunk("protected");
|
|
Builder.AddChunk(CodeCompletionString::CK_Colon);
|
|
Results.AddResult(Result(Builder.TakeString()));
|
|
|
|
// private:
|
|
Builder.AddTypedTextChunk("private");
|
|
Builder.AddChunk(CodeCompletionString::CK_Colon);
|
|
Results.AddResult(Result(Builder.TakeString()));
|
|
}
|
|
}
|
|
// Fall through
|
|
|
|
case Sema::PCC_Template:
|
|
case Sema::PCC_MemberTemplate:
|
|
if (SemaRef.getLangOptions().CPlusPlus && Results.includeCodePatterns()) {
|
|
// template < parameters >
|
|
Builder.AddTypedTextChunk("template");
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftAngle);
|
|
Builder.AddPlaceholderChunk("parameters");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightAngle);
|
|
Results.AddResult(Result(Builder.TakeString()));
|
|
}
|
|
|
|
AddStorageSpecifiers(CCC, SemaRef.getLangOptions(), Results);
|
|
AddFunctionSpecifiers(CCC, SemaRef.getLangOptions(), Results);
|
|
break;
|
|
|
|
case Sema::PCC_ObjCInterface:
|
|
AddObjCInterfaceResults(SemaRef.getLangOptions(), Results, true);
|
|
AddStorageSpecifiers(CCC, SemaRef.getLangOptions(), Results);
|
|
AddFunctionSpecifiers(CCC, SemaRef.getLangOptions(), Results);
|
|
break;
|
|
|
|
case Sema::PCC_ObjCImplementation:
|
|
AddObjCImplementationResults(SemaRef.getLangOptions(), Results, true);
|
|
AddStorageSpecifiers(CCC, SemaRef.getLangOptions(), Results);
|
|
AddFunctionSpecifiers(CCC, SemaRef.getLangOptions(), Results);
|
|
break;
|
|
|
|
case Sema::PCC_ObjCInstanceVariableList:
|
|
AddObjCVisibilityResults(SemaRef.getLangOptions(), Results, true);
|
|
break;
|
|
|
|
case Sema::PCC_RecoveryInFunction:
|
|
case Sema::PCC_Statement: {
|
|
AddTypedefResult(Results);
|
|
|
|
if (SemaRef.getLangOptions().CPlusPlus && Results.includeCodePatterns()) {
|
|
Builder.AddTypedTextChunk("try");
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftBrace);
|
|
Builder.AddPlaceholderChunk("statements");
|
|
Builder.AddChunk(CodeCompletionString::CK_VerticalSpace);
|
|
Builder.AddChunk(CodeCompletionString::CK_RightBrace);
|
|
Builder.AddTextChunk("catch");
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddPlaceholderChunk("declaration");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftBrace);
|
|
Builder.AddPlaceholderChunk("statements");
|
|
Builder.AddChunk(CodeCompletionString::CK_VerticalSpace);
|
|
Builder.AddChunk(CodeCompletionString::CK_RightBrace);
|
|
Results.AddResult(Result(Builder.TakeString()));
|
|
}
|
|
if (SemaRef.getLangOptions().ObjC1)
|
|
AddObjCStatementResults(Results, true);
|
|
|
|
if (Results.includeCodePatterns()) {
|
|
// if (condition) { statements }
|
|
Builder.AddTypedTextChunk("if");
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
if (SemaRef.getLangOptions().CPlusPlus)
|
|
Builder.AddPlaceholderChunk("condition");
|
|
else
|
|
Builder.AddPlaceholderChunk("expression");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftBrace);
|
|
Builder.AddPlaceholderChunk("statements");
|
|
Builder.AddChunk(CodeCompletionString::CK_VerticalSpace);
|
|
Builder.AddChunk(CodeCompletionString::CK_RightBrace);
|
|
Results.AddResult(Result(Builder.TakeString()));
|
|
|
|
// switch (condition) { }
|
|
Builder.AddTypedTextChunk("switch");
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
if (SemaRef.getLangOptions().CPlusPlus)
|
|
Builder.AddPlaceholderChunk("condition");
|
|
else
|
|
Builder.AddPlaceholderChunk("expression");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftBrace);
|
|
Builder.AddChunk(CodeCompletionString::CK_VerticalSpace);
|
|
Builder.AddChunk(CodeCompletionString::CK_RightBrace);
|
|
Results.AddResult(Result(Builder.TakeString()));
|
|
}
|
|
|
|
// Switch-specific statements.
|
|
if (!SemaRef.getCurFunction()->SwitchStack.empty()) {
|
|
// case expression:
|
|
Builder.AddTypedTextChunk("case");
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddPlaceholderChunk("expression");
|
|
Builder.AddChunk(CodeCompletionString::CK_Colon);
|
|
Results.AddResult(Result(Builder.TakeString()));
|
|
|
|
// default:
|
|
Builder.AddTypedTextChunk("default");
|
|
Builder.AddChunk(CodeCompletionString::CK_Colon);
|
|
Results.AddResult(Result(Builder.TakeString()));
|
|
}
|
|
|
|
if (Results.includeCodePatterns()) {
|
|
/// while (condition) { statements }
|
|
Builder.AddTypedTextChunk("while");
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
if (SemaRef.getLangOptions().CPlusPlus)
|
|
Builder.AddPlaceholderChunk("condition");
|
|
else
|
|
Builder.AddPlaceholderChunk("expression");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftBrace);
|
|
Builder.AddPlaceholderChunk("statements");
|
|
Builder.AddChunk(CodeCompletionString::CK_VerticalSpace);
|
|
Builder.AddChunk(CodeCompletionString::CK_RightBrace);
|
|
Results.AddResult(Result(Builder.TakeString()));
|
|
|
|
// do { statements } while ( expression );
|
|
Builder.AddTypedTextChunk("do");
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftBrace);
|
|
Builder.AddPlaceholderChunk("statements");
|
|
Builder.AddChunk(CodeCompletionString::CK_VerticalSpace);
|
|
Builder.AddChunk(CodeCompletionString::CK_RightBrace);
|
|
Builder.AddTextChunk("while");
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddPlaceholderChunk("expression");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
Results.AddResult(Result(Builder.TakeString()));
|
|
|
|
// for ( for-init-statement ; condition ; expression ) { statements }
|
|
Builder.AddTypedTextChunk("for");
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
if (SemaRef.getLangOptions().CPlusPlus || SemaRef.getLangOptions().C99)
|
|
Builder.AddPlaceholderChunk("init-statement");
|
|
else
|
|
Builder.AddPlaceholderChunk("init-expression");
|
|
Builder.AddChunk(CodeCompletionString::CK_SemiColon);
|
|
Builder.AddPlaceholderChunk("condition");
|
|
Builder.AddChunk(CodeCompletionString::CK_SemiColon);
|
|
Builder.AddPlaceholderChunk("inc-expression");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftBrace);
|
|
Builder.AddChunk(CodeCompletionString::CK_VerticalSpace);
|
|
Builder.AddPlaceholderChunk("statements");
|
|
Builder.AddChunk(CodeCompletionString::CK_VerticalSpace);
|
|
Builder.AddChunk(CodeCompletionString::CK_RightBrace);
|
|
Results.AddResult(Result(Builder.TakeString()));
|
|
}
|
|
|
|
if (S->getContinueParent()) {
|
|
// continue ;
|
|
Builder.AddTypedTextChunk("continue");
|
|
Results.AddResult(Result(Builder.TakeString()));
|
|
}
|
|
|
|
if (S->getBreakParent()) {
|
|
// break ;
|
|
Builder.AddTypedTextChunk("break");
|
|
Results.AddResult(Result(Builder.TakeString()));
|
|
}
|
|
|
|
// "return expression ;" or "return ;", depending on whether we
|
|
// know the function is void or not.
|
|
bool isVoid = false;
|
|
if (FunctionDecl *Function = dyn_cast<FunctionDecl>(SemaRef.CurContext))
|
|
isVoid = Function->getResultType()->isVoidType();
|
|
else if (ObjCMethodDecl *Method
|
|
= dyn_cast<ObjCMethodDecl>(SemaRef.CurContext))
|
|
isVoid = Method->getResultType()->isVoidType();
|
|
else if (SemaRef.getCurBlock() &&
|
|
!SemaRef.getCurBlock()->ReturnType.isNull())
|
|
isVoid = SemaRef.getCurBlock()->ReturnType->isVoidType();
|
|
Builder.AddTypedTextChunk("return");
|
|
if (!isVoid) {
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddPlaceholderChunk("expression");
|
|
}
|
|
Results.AddResult(Result(Builder.TakeString()));
|
|
|
|
// goto identifier ;
|
|
Builder.AddTypedTextChunk("goto");
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddPlaceholderChunk("label");
|
|
Results.AddResult(Result(Builder.TakeString()));
|
|
|
|
// Using directives
|
|
Builder.AddTypedTextChunk("using");
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddTextChunk("namespace");
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddPlaceholderChunk("identifier");
|
|
Results.AddResult(Result(Builder.TakeString()));
|
|
}
|
|
|
|
// Fall through (for statement expressions).
|
|
case Sema::PCC_ForInit:
|
|
case Sema::PCC_Condition:
|
|
AddStorageSpecifiers(CCC, SemaRef.getLangOptions(), Results);
|
|
// Fall through: conditions and statements can have expressions.
|
|
|
|
case Sema::PCC_ParenthesizedExpression:
|
|
case Sema::PCC_Expression: {
|
|
if (SemaRef.getLangOptions().CPlusPlus) {
|
|
// 'this', if we're in a non-static member function.
|
|
if (CXXMethodDecl *Method = dyn_cast<CXXMethodDecl>(SemaRef.CurContext))
|
|
if (!Method->isStatic())
|
|
Results.AddResult(Result("this"));
|
|
|
|
// true, false
|
|
Results.AddResult(Result("true"));
|
|
Results.AddResult(Result("false"));
|
|
|
|
// dynamic_cast < type-id > ( expression )
|
|
Builder.AddTypedTextChunk("dynamic_cast");
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftAngle);
|
|
Builder.AddPlaceholderChunk("type");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightAngle);
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddPlaceholderChunk("expression");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
Results.AddResult(Result(Builder.TakeString()));
|
|
|
|
// static_cast < type-id > ( expression )
|
|
Builder.AddTypedTextChunk("static_cast");
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftAngle);
|
|
Builder.AddPlaceholderChunk("type");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightAngle);
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddPlaceholderChunk("expression");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
Results.AddResult(Result(Builder.TakeString()));
|
|
|
|
// reinterpret_cast < type-id > ( expression )
|
|
Builder.AddTypedTextChunk("reinterpret_cast");
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftAngle);
|
|
Builder.AddPlaceholderChunk("type");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightAngle);
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddPlaceholderChunk("expression");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
Results.AddResult(Result(Builder.TakeString()));
|
|
|
|
// const_cast < type-id > ( expression )
|
|
Builder.AddTypedTextChunk("const_cast");
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftAngle);
|
|
Builder.AddPlaceholderChunk("type");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightAngle);
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddPlaceholderChunk("expression");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
Results.AddResult(Result(Builder.TakeString()));
|
|
|
|
// typeid ( expression-or-type )
|
|
Builder.AddTypedTextChunk("typeid");
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddPlaceholderChunk("expression-or-type");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
Results.AddResult(Result(Builder.TakeString()));
|
|
|
|
// new T ( ... )
|
|
Builder.AddTypedTextChunk("new");
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddPlaceholderChunk("type");
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddPlaceholderChunk("expressions");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
Results.AddResult(Result(Builder.TakeString()));
|
|
|
|
// new T [ ] ( ... )
|
|
Builder.AddTypedTextChunk("new");
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddPlaceholderChunk("type");
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftBracket);
|
|
Builder.AddPlaceholderChunk("size");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightBracket);
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddPlaceholderChunk("expressions");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
Results.AddResult(Result(Builder.TakeString()));
|
|
|
|
// delete expression
|
|
Builder.AddTypedTextChunk("delete");
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddPlaceholderChunk("expression");
|
|
Results.AddResult(Result(Builder.TakeString()));
|
|
|
|
// delete [] expression
|
|
Builder.AddTypedTextChunk("delete");
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftBracket);
|
|
Builder.AddChunk(CodeCompletionString::CK_RightBracket);
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddPlaceholderChunk("expression");
|
|
Results.AddResult(Result(Builder.TakeString()));
|
|
|
|
// throw expression
|
|
Builder.AddTypedTextChunk("throw");
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddPlaceholderChunk("expression");
|
|
Results.AddResult(Result(Builder.TakeString()));
|
|
|
|
// FIXME: Rethrow?
|
|
}
|
|
|
|
if (SemaRef.getLangOptions().ObjC1) {
|
|
// Add "super", if we're in an Objective-C class with a superclass.
|
|
if (ObjCMethodDecl *Method = SemaRef.getCurMethodDecl()) {
|
|
// The interface can be NULL.
|
|
if (ObjCInterfaceDecl *ID = Method->getClassInterface())
|
|
if (ID->getSuperClass())
|
|
Results.AddResult(Result("super"));
|
|
}
|
|
|
|
AddObjCExpressionResults(Results, true);
|
|
}
|
|
|
|
// sizeof expression
|
|
Builder.AddTypedTextChunk("sizeof");
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddPlaceholderChunk("expression-or-type");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
Results.AddResult(Result(Builder.TakeString()));
|
|
break;
|
|
}
|
|
|
|
case Sema::PCC_Type:
|
|
case Sema::PCC_LocalDeclarationSpecifiers:
|
|
break;
|
|
}
|
|
|
|
if (WantTypesInContext(CCC, SemaRef.getLangOptions()))
|
|
AddTypeSpecifierResults(SemaRef.getLangOptions(), Results);
|
|
|
|
if (SemaRef.getLangOptions().CPlusPlus && CCC != Sema::PCC_Type)
|
|
Results.AddResult(Result("operator"));
|
|
}
|
|
|
|
/// \brief Retrieve the string representation of the given type as a string
|
|
/// that has the appropriate lifetime for code completion.
|
|
///
|
|
/// This routine provides a fast path where we provide constant strings for
|
|
/// common type names.
|
|
static const char *GetCompletionTypeString(QualType T,
|
|
ASTContext &Context,
|
|
CodeCompletionAllocator &Allocator) {
|
|
PrintingPolicy Policy(Context.PrintingPolicy);
|
|
Policy.AnonymousTagLocations = false;
|
|
|
|
if (!T.getLocalQualifiers()) {
|
|
// Built-in type names are constant strings.
|
|
if (const BuiltinType *BT = dyn_cast<BuiltinType>(T))
|
|
return BT->getName(Context.getLangOptions());
|
|
|
|
// Anonymous tag types are constant strings.
|
|
if (const TagType *TagT = dyn_cast<TagType>(T))
|
|
if (TagDecl *Tag = TagT->getDecl())
|
|
if (!Tag->getIdentifier() && !Tag->getTypedefForAnonDecl()) {
|
|
switch (Tag->getTagKind()) {
|
|
case TTK_Struct: return "struct <anonymous>";
|
|
case TTK_Class: return "class <anonymous>";
|
|
case TTK_Union: return "union <anonymous>";
|
|
case TTK_Enum: return "enum <anonymous>";
|
|
}
|
|
}
|
|
}
|
|
|
|
// Slow path: format the type as a string.
|
|
std::string Result;
|
|
T.getAsStringInternal(Result, Policy);
|
|
return Allocator.CopyString(Result);
|
|
}
|
|
|
|
/// \brief If the given declaration has an associated type, add it as a result
|
|
/// type chunk.
|
|
static void AddResultTypeChunk(ASTContext &Context,
|
|
NamedDecl *ND,
|
|
CodeCompletionBuilder &Result) {
|
|
if (!ND)
|
|
return;
|
|
|
|
// Skip constructors and conversion functions, which have their return types
|
|
// built into their names.
|
|
if (isa<CXXConstructorDecl>(ND) || isa<CXXConversionDecl>(ND))
|
|
return;
|
|
|
|
// Determine the type of the declaration (if it has a type).
|
|
QualType T;
|
|
if (FunctionDecl *Function = dyn_cast<FunctionDecl>(ND))
|
|
T = Function->getResultType();
|
|
else if (ObjCMethodDecl *Method = dyn_cast<ObjCMethodDecl>(ND))
|
|
T = Method->getResultType();
|
|
else if (FunctionTemplateDecl *FunTmpl = dyn_cast<FunctionTemplateDecl>(ND))
|
|
T = FunTmpl->getTemplatedDecl()->getResultType();
|
|
else if (EnumConstantDecl *Enumerator = dyn_cast<EnumConstantDecl>(ND))
|
|
T = Context.getTypeDeclType(cast<TypeDecl>(Enumerator->getDeclContext()));
|
|
else if (isa<UnresolvedUsingValueDecl>(ND)) {
|
|
/* Do nothing: ignore unresolved using declarations*/
|
|
} else if (ValueDecl *Value = dyn_cast<ValueDecl>(ND))
|
|
T = Value->getType();
|
|
else if (ObjCPropertyDecl *Property = dyn_cast<ObjCPropertyDecl>(ND))
|
|
T = Property->getType();
|
|
|
|
if (T.isNull() || Context.hasSameType(T, Context.DependentTy))
|
|
return;
|
|
|
|
Result.AddResultTypeChunk(GetCompletionTypeString(T, Context,
|
|
Result.getAllocator()));
|
|
}
|
|
|
|
static void MaybeAddSentinel(ASTContext &Context, NamedDecl *FunctionOrMethod,
|
|
CodeCompletionBuilder &Result) {
|
|
if (SentinelAttr *Sentinel = FunctionOrMethod->getAttr<SentinelAttr>())
|
|
if (Sentinel->getSentinel() == 0) {
|
|
if (Context.getLangOptions().ObjC1 &&
|
|
Context.Idents.get("nil").hasMacroDefinition())
|
|
Result.AddTextChunk(", nil");
|
|
else if (Context.Idents.get("NULL").hasMacroDefinition())
|
|
Result.AddTextChunk(", NULL");
|
|
else
|
|
Result.AddTextChunk(", (void*)0");
|
|
}
|
|
}
|
|
|
|
static std::string FormatFunctionParameter(ASTContext &Context,
|
|
ParmVarDecl *Param,
|
|
bool SuppressName = false) {
|
|
bool ObjCMethodParam = isa<ObjCMethodDecl>(Param->getDeclContext());
|
|
if (Param->getType()->isDependentType() ||
|
|
!Param->getType()->isBlockPointerType()) {
|
|
// The argument for a dependent or non-block parameter is a placeholder
|
|
// containing that parameter's type.
|
|
std::string Result;
|
|
|
|
if (Param->getIdentifier() && !ObjCMethodParam && !SuppressName)
|
|
Result = Param->getIdentifier()->getName();
|
|
|
|
Param->getType().getAsStringInternal(Result,
|
|
Context.PrintingPolicy);
|
|
|
|
if (ObjCMethodParam) {
|
|
Result = "(" + Result;
|
|
Result += ")";
|
|
if (Param->getIdentifier() && !SuppressName)
|
|
Result += Param->getIdentifier()->getName();
|
|
}
|
|
return Result;
|
|
}
|
|
|
|
// The argument for a block pointer parameter is a block literal with
|
|
// the appropriate type.
|
|
FunctionTypeLoc *Block = 0;
|
|
FunctionProtoTypeLoc *BlockProto = 0;
|
|
TypeLoc TL;
|
|
if (TypeSourceInfo *TSInfo = Param->getTypeSourceInfo()) {
|
|
TL = TSInfo->getTypeLoc().getUnqualifiedLoc();
|
|
while (true) {
|
|
// Look through typedefs.
|
|
if (TypedefTypeLoc *TypedefTL = dyn_cast<TypedefTypeLoc>(&TL)) {
|
|
if (TypeSourceInfo *InnerTSInfo
|
|
= TypedefTL->getTypedefDecl()->getTypeSourceInfo()) {
|
|
TL = InnerTSInfo->getTypeLoc().getUnqualifiedLoc();
|
|
continue;
|
|
}
|
|
}
|
|
|
|
// Look through qualified types
|
|
if (QualifiedTypeLoc *QualifiedTL = dyn_cast<QualifiedTypeLoc>(&TL)) {
|
|
TL = QualifiedTL->getUnqualifiedLoc();
|
|
continue;
|
|
}
|
|
|
|
// Try to get the function prototype behind the block pointer type,
|
|
// then we're done.
|
|
if (BlockPointerTypeLoc *BlockPtr
|
|
= dyn_cast<BlockPointerTypeLoc>(&TL)) {
|
|
TL = BlockPtr->getPointeeLoc().IgnoreParens();
|
|
Block = dyn_cast<FunctionTypeLoc>(&TL);
|
|
BlockProto = dyn_cast<FunctionProtoTypeLoc>(&TL);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!Block) {
|
|
// We were unable to find a FunctionProtoTypeLoc with parameter names
|
|
// for the block; just use the parameter type as a placeholder.
|
|
std::string Result;
|
|
Param->getType().getUnqualifiedType().
|
|
getAsStringInternal(Result, Context.PrintingPolicy);
|
|
|
|
if (ObjCMethodParam) {
|
|
Result = "(" + Result;
|
|
Result += ")";
|
|
if (Param->getIdentifier())
|
|
Result += Param->getIdentifier()->getName();
|
|
}
|
|
|
|
return Result;
|
|
}
|
|
|
|
// We have the function prototype behind the block pointer type, as it was
|
|
// written in the source.
|
|
std::string Result;
|
|
QualType ResultType = Block->getTypePtr()->getResultType();
|
|
if (!ResultType->isVoidType())
|
|
ResultType.getAsStringInternal(Result, Context.PrintingPolicy);
|
|
|
|
Result = '^' + Result;
|
|
if (!BlockProto || Block->getNumArgs() == 0) {
|
|
if (BlockProto && BlockProto->getTypePtr()->isVariadic())
|
|
Result += "(...)";
|
|
else
|
|
Result += "(void)";
|
|
} else {
|
|
Result += "(";
|
|
for (unsigned I = 0, N = Block->getNumArgs(); I != N; ++I) {
|
|
if (I)
|
|
Result += ", ";
|
|
Result += FormatFunctionParameter(Context, Block->getArg(I));
|
|
|
|
if (I == N - 1 && BlockProto->getTypePtr()->isVariadic())
|
|
Result += ", ...";
|
|
}
|
|
Result += ")";
|
|
}
|
|
|
|
if (Param->getIdentifier())
|
|
Result += Param->getIdentifier()->getName();
|
|
|
|
return Result;
|
|
}
|
|
|
|
/// \brief Add function parameter chunks to the given code completion string.
|
|
static void AddFunctionParameterChunks(ASTContext &Context,
|
|
FunctionDecl *Function,
|
|
CodeCompletionBuilder &Result,
|
|
unsigned Start = 0,
|
|
bool InOptional = false) {
|
|
typedef CodeCompletionString::Chunk Chunk;
|
|
bool FirstParameter = true;
|
|
|
|
for (unsigned P = Start, N = Function->getNumParams(); P != N; ++P) {
|
|
ParmVarDecl *Param = Function->getParamDecl(P);
|
|
|
|
if (Param->hasDefaultArg() && !InOptional) {
|
|
// When we see an optional default argument, put that argument and
|
|
// the remaining default arguments into a new, optional string.
|
|
CodeCompletionBuilder Opt(Result.getAllocator());
|
|
if (!FirstParameter)
|
|
Opt.AddChunk(Chunk(CodeCompletionString::CK_Comma));
|
|
AddFunctionParameterChunks(Context, Function, Opt, P, true);
|
|
Result.AddOptionalChunk(Opt.TakeString());
|
|
break;
|
|
}
|
|
|
|
if (FirstParameter)
|
|
FirstParameter = false;
|
|
else
|
|
Result.AddChunk(Chunk(CodeCompletionString::CK_Comma));
|
|
|
|
InOptional = false;
|
|
|
|
// Format the placeholder string.
|
|
std::string PlaceholderStr = FormatFunctionParameter(Context, Param);
|
|
|
|
if (Function->isVariadic() && P == N - 1)
|
|
PlaceholderStr += ", ...";
|
|
|
|
// Add the placeholder string.
|
|
Result.AddPlaceholderChunk(
|
|
Result.getAllocator().CopyString(PlaceholderStr));
|
|
}
|
|
|
|
if (const FunctionProtoType *Proto
|
|
= Function->getType()->getAs<FunctionProtoType>())
|
|
if (Proto->isVariadic()) {
|
|
if (Proto->getNumArgs() == 0)
|
|
Result.AddPlaceholderChunk("...");
|
|
|
|
MaybeAddSentinel(Context, Function, Result);
|
|
}
|
|
}
|
|
|
|
/// \brief Add template parameter chunks to the given code completion string.
|
|
static void AddTemplateParameterChunks(ASTContext &Context,
|
|
TemplateDecl *Template,
|
|
CodeCompletionBuilder &Result,
|
|
unsigned MaxParameters = 0,
|
|
unsigned Start = 0,
|
|
bool InDefaultArg = false) {
|
|
typedef CodeCompletionString::Chunk Chunk;
|
|
bool FirstParameter = true;
|
|
|
|
TemplateParameterList *Params = Template->getTemplateParameters();
|
|
TemplateParameterList::iterator PEnd = Params->end();
|
|
if (MaxParameters)
|
|
PEnd = Params->begin() + MaxParameters;
|
|
for (TemplateParameterList::iterator P = Params->begin() + Start;
|
|
P != PEnd; ++P) {
|
|
bool HasDefaultArg = false;
|
|
std::string PlaceholderStr;
|
|
if (TemplateTypeParmDecl *TTP = dyn_cast<TemplateTypeParmDecl>(*P)) {
|
|
if (TTP->wasDeclaredWithTypename())
|
|
PlaceholderStr = "typename";
|
|
else
|
|
PlaceholderStr = "class";
|
|
|
|
if (TTP->getIdentifier()) {
|
|
PlaceholderStr += ' ';
|
|
PlaceholderStr += TTP->getIdentifier()->getName();
|
|
}
|
|
|
|
HasDefaultArg = TTP->hasDefaultArgument();
|
|
} else if (NonTypeTemplateParmDecl *NTTP
|
|
= dyn_cast<NonTypeTemplateParmDecl>(*P)) {
|
|
if (NTTP->getIdentifier())
|
|
PlaceholderStr = NTTP->getIdentifier()->getName();
|
|
NTTP->getType().getAsStringInternal(PlaceholderStr,
|
|
Context.PrintingPolicy);
|
|
HasDefaultArg = NTTP->hasDefaultArgument();
|
|
} else {
|
|
assert(isa<TemplateTemplateParmDecl>(*P));
|
|
TemplateTemplateParmDecl *TTP = cast<TemplateTemplateParmDecl>(*P);
|
|
|
|
// Since putting the template argument list into the placeholder would
|
|
// be very, very long, we just use an abbreviation.
|
|
PlaceholderStr = "template<...> class";
|
|
if (TTP->getIdentifier()) {
|
|
PlaceholderStr += ' ';
|
|
PlaceholderStr += TTP->getIdentifier()->getName();
|
|
}
|
|
|
|
HasDefaultArg = TTP->hasDefaultArgument();
|
|
}
|
|
|
|
if (HasDefaultArg && !InDefaultArg) {
|
|
// When we see an optional default argument, put that argument and
|
|
// the remaining default arguments into a new, optional string.
|
|
CodeCompletionBuilder Opt(Result.getAllocator());
|
|
if (!FirstParameter)
|
|
Opt.AddChunk(Chunk(CodeCompletionString::CK_Comma));
|
|
AddTemplateParameterChunks(Context, Template, Opt, MaxParameters,
|
|
P - Params->begin(), true);
|
|
Result.AddOptionalChunk(Opt.TakeString());
|
|
break;
|
|
}
|
|
|
|
InDefaultArg = false;
|
|
|
|
if (FirstParameter)
|
|
FirstParameter = false;
|
|
else
|
|
Result.AddChunk(Chunk(CodeCompletionString::CK_Comma));
|
|
|
|
// Add the placeholder string.
|
|
Result.AddPlaceholderChunk(
|
|
Result.getAllocator().CopyString(PlaceholderStr));
|
|
}
|
|
}
|
|
|
|
/// \brief Add a qualifier to the given code-completion string, if the
|
|
/// provided nested-name-specifier is non-NULL.
|
|
static void
|
|
AddQualifierToCompletionString(CodeCompletionBuilder &Result,
|
|
NestedNameSpecifier *Qualifier,
|
|
bool QualifierIsInformative,
|
|
ASTContext &Context) {
|
|
if (!Qualifier)
|
|
return;
|
|
|
|
std::string PrintedNNS;
|
|
{
|
|
llvm::raw_string_ostream OS(PrintedNNS);
|
|
Qualifier->print(OS, Context.PrintingPolicy);
|
|
}
|
|
if (QualifierIsInformative)
|
|
Result.AddInformativeChunk(Result.getAllocator().CopyString(PrintedNNS));
|
|
else
|
|
Result.AddTextChunk(Result.getAllocator().CopyString(PrintedNNS));
|
|
}
|
|
|
|
static void
|
|
AddFunctionTypeQualsToCompletionString(CodeCompletionBuilder &Result,
|
|
FunctionDecl *Function) {
|
|
const FunctionProtoType *Proto
|
|
= Function->getType()->getAs<FunctionProtoType>();
|
|
if (!Proto || !Proto->getTypeQuals())
|
|
return;
|
|
|
|
// FIXME: Add ref-qualifier!
|
|
|
|
// Handle single qualifiers without copying
|
|
if (Proto->getTypeQuals() == Qualifiers::Const) {
|
|
Result.AddInformativeChunk(" const");
|
|
return;
|
|
}
|
|
|
|
if (Proto->getTypeQuals() == Qualifiers::Volatile) {
|
|
Result.AddInformativeChunk(" volatile");
|
|
return;
|
|
}
|
|
|
|
if (Proto->getTypeQuals() == Qualifiers::Restrict) {
|
|
Result.AddInformativeChunk(" restrict");
|
|
return;
|
|
}
|
|
|
|
// Handle multiple qualifiers.
|
|
std::string QualsStr;
|
|
if (Proto->getTypeQuals() & Qualifiers::Const)
|
|
QualsStr += " const";
|
|
if (Proto->getTypeQuals() & Qualifiers::Volatile)
|
|
QualsStr += " volatile";
|
|
if (Proto->getTypeQuals() & Qualifiers::Restrict)
|
|
QualsStr += " restrict";
|
|
Result.AddInformativeChunk(Result.getAllocator().CopyString(QualsStr));
|
|
}
|
|
|
|
/// \brief Add the name of the given declaration
|
|
static void AddTypedNameChunk(ASTContext &Context, NamedDecl *ND,
|
|
CodeCompletionBuilder &Result) {
|
|
typedef CodeCompletionString::Chunk Chunk;
|
|
|
|
DeclarationName Name = ND->getDeclName();
|
|
if (!Name)
|
|
return;
|
|
|
|
switch (Name.getNameKind()) {
|
|
case DeclarationName::CXXOperatorName: {
|
|
const char *OperatorName = 0;
|
|
switch (Name.getCXXOverloadedOperator()) {
|
|
case OO_None:
|
|
case OO_Conditional:
|
|
case NUM_OVERLOADED_OPERATORS:
|
|
OperatorName = "operator";
|
|
break;
|
|
|
|
#define OVERLOADED_OPERATOR(Name,Spelling,Token,Unary,Binary,MemberOnly) \
|
|
case OO_##Name: OperatorName = "operator" Spelling; break;
|
|
#define OVERLOADED_OPERATOR_MULTI(Name,Spelling,Unary,Binary,MemberOnly)
|
|
#include "clang/Basic/OperatorKinds.def"
|
|
|
|
case OO_New: OperatorName = "operator new"; break;
|
|
case OO_Delete: OperatorName = "operator delete"; break;
|
|
case OO_Array_New: OperatorName = "operator new[]"; break;
|
|
case OO_Array_Delete: OperatorName = "operator delete[]"; break;
|
|
case OO_Call: OperatorName = "operator()"; break;
|
|
case OO_Subscript: OperatorName = "operator[]"; break;
|
|
}
|
|
Result.AddTypedTextChunk(OperatorName);
|
|
break;
|
|
}
|
|
|
|
case DeclarationName::Identifier:
|
|
case DeclarationName::CXXConversionFunctionName:
|
|
case DeclarationName::CXXDestructorName:
|
|
case DeclarationName::CXXLiteralOperatorName:
|
|
Result.AddTypedTextChunk(
|
|
Result.getAllocator().CopyString(ND->getNameAsString()));
|
|
break;
|
|
|
|
case DeclarationName::CXXUsingDirective:
|
|
case DeclarationName::ObjCZeroArgSelector:
|
|
case DeclarationName::ObjCOneArgSelector:
|
|
case DeclarationName::ObjCMultiArgSelector:
|
|
break;
|
|
|
|
case DeclarationName::CXXConstructorName: {
|
|
CXXRecordDecl *Record = 0;
|
|
QualType Ty = Name.getCXXNameType();
|
|
if (const RecordType *RecordTy = Ty->getAs<RecordType>())
|
|
Record = cast<CXXRecordDecl>(RecordTy->getDecl());
|
|
else if (const InjectedClassNameType *InjectedTy
|
|
= Ty->getAs<InjectedClassNameType>())
|
|
Record = InjectedTy->getDecl();
|
|
else {
|
|
Result.AddTypedTextChunk(
|
|
Result.getAllocator().CopyString(ND->getNameAsString()));
|
|
break;
|
|
}
|
|
|
|
Result.AddTypedTextChunk(
|
|
Result.getAllocator().CopyString(Record->getNameAsString()));
|
|
if (ClassTemplateDecl *Template = Record->getDescribedClassTemplate()) {
|
|
Result.AddChunk(Chunk(CodeCompletionString::CK_LeftAngle));
|
|
AddTemplateParameterChunks(Context, Template, Result);
|
|
Result.AddChunk(Chunk(CodeCompletionString::CK_RightAngle));
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/// \brief If possible, create a new code completion string for the given
|
|
/// result.
|
|
///
|
|
/// \returns Either a new, heap-allocated code completion string describing
|
|
/// how to use this result, or NULL to indicate that the string or name of the
|
|
/// result is all that is needed.
|
|
CodeCompletionString *
|
|
CodeCompletionResult::CreateCodeCompletionString(Sema &S,
|
|
CodeCompletionAllocator &Allocator) {
|
|
typedef CodeCompletionString::Chunk Chunk;
|
|
CodeCompletionBuilder Result(Allocator, Priority, Availability);
|
|
|
|
if (Kind == RK_Pattern) {
|
|
Pattern->Priority = Priority;
|
|
Pattern->Availability = Availability;
|
|
return Pattern;
|
|
}
|
|
|
|
if (Kind == RK_Keyword) {
|
|
Result.AddTypedTextChunk(Keyword);
|
|
return Result.TakeString();
|
|
}
|
|
|
|
if (Kind == RK_Macro) {
|
|
MacroInfo *MI = S.PP.getMacroInfo(Macro);
|
|
assert(MI && "Not a macro?");
|
|
|
|
Result.AddTypedTextChunk(
|
|
Result.getAllocator().CopyString(Macro->getName()));
|
|
|
|
if (!MI->isFunctionLike())
|
|
return Result.TakeString();
|
|
|
|
// Format a function-like macro with placeholders for the arguments.
|
|
Result.AddChunk(Chunk(CodeCompletionString::CK_LeftParen));
|
|
for (MacroInfo::arg_iterator A = MI->arg_begin(), AEnd = MI->arg_end();
|
|
A != AEnd; ++A) {
|
|
if (A != MI->arg_begin())
|
|
Result.AddChunk(Chunk(CodeCompletionString::CK_Comma));
|
|
|
|
if (!MI->isVariadic() || A != AEnd - 1) {
|
|
// Non-variadic argument.
|
|
Result.AddPlaceholderChunk(
|
|
Result.getAllocator().CopyString((*A)->getName()));
|
|
continue;
|
|
}
|
|
|
|
// Variadic argument; cope with the different between GNU and C99
|
|
// variadic macros, providing a single placeholder for the rest of the
|
|
// arguments.
|
|
if ((*A)->isStr("__VA_ARGS__"))
|
|
Result.AddPlaceholderChunk("...");
|
|
else {
|
|
std::string Arg = (*A)->getName();
|
|
Arg += "...";
|
|
Result.AddPlaceholderChunk(Result.getAllocator().CopyString(Arg));
|
|
}
|
|
}
|
|
Result.AddChunk(Chunk(CodeCompletionString::CK_RightParen));
|
|
return Result.TakeString();
|
|
}
|
|
|
|
assert(Kind == RK_Declaration && "Missed a result kind?");
|
|
NamedDecl *ND = Declaration;
|
|
|
|
if (StartsNestedNameSpecifier) {
|
|
Result.AddTypedTextChunk(
|
|
Result.getAllocator().CopyString(ND->getNameAsString()));
|
|
Result.AddTextChunk("::");
|
|
return Result.TakeString();
|
|
}
|
|
|
|
AddResultTypeChunk(S.Context, ND, Result);
|
|
|
|
if (FunctionDecl *Function = dyn_cast<FunctionDecl>(ND)) {
|
|
AddQualifierToCompletionString(Result, Qualifier, QualifierIsInformative,
|
|
S.Context);
|
|
AddTypedNameChunk(S.Context, ND, Result);
|
|
Result.AddChunk(Chunk(CodeCompletionString::CK_LeftParen));
|
|
AddFunctionParameterChunks(S.Context, Function, Result);
|
|
Result.AddChunk(Chunk(CodeCompletionString::CK_RightParen));
|
|
AddFunctionTypeQualsToCompletionString(Result, Function);
|
|
return Result.TakeString();
|
|
}
|
|
|
|
if (FunctionTemplateDecl *FunTmpl = dyn_cast<FunctionTemplateDecl>(ND)) {
|
|
AddQualifierToCompletionString(Result, Qualifier, QualifierIsInformative,
|
|
S.Context);
|
|
FunctionDecl *Function = FunTmpl->getTemplatedDecl();
|
|
AddTypedNameChunk(S.Context, Function, Result);
|
|
|
|
// Figure out which template parameters are deduced (or have default
|
|
// arguments).
|
|
llvm::SmallVector<bool, 16> Deduced;
|
|
S.MarkDeducedTemplateParameters(FunTmpl, Deduced);
|
|
unsigned LastDeducibleArgument;
|
|
for (LastDeducibleArgument = Deduced.size(); LastDeducibleArgument > 0;
|
|
--LastDeducibleArgument) {
|
|
if (!Deduced[LastDeducibleArgument - 1]) {
|
|
// C++0x: Figure out if the template argument has a default. If so,
|
|
// the user doesn't need to type this argument.
|
|
// FIXME: We need to abstract template parameters better!
|
|
bool HasDefaultArg = false;
|
|
NamedDecl *Param = FunTmpl->getTemplateParameters()->getParam(
|
|
LastDeducibleArgument - 1);
|
|
if (TemplateTypeParmDecl *TTP = dyn_cast<TemplateTypeParmDecl>(Param))
|
|
HasDefaultArg = TTP->hasDefaultArgument();
|
|
else if (NonTypeTemplateParmDecl *NTTP
|
|
= dyn_cast<NonTypeTemplateParmDecl>(Param))
|
|
HasDefaultArg = NTTP->hasDefaultArgument();
|
|
else {
|
|
assert(isa<TemplateTemplateParmDecl>(Param));
|
|
HasDefaultArg
|
|
= cast<TemplateTemplateParmDecl>(Param)->hasDefaultArgument();
|
|
}
|
|
|
|
if (!HasDefaultArg)
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (LastDeducibleArgument) {
|
|
// Some of the function template arguments cannot be deduced from a
|
|
// function call, so we introduce an explicit template argument list
|
|
// containing all of the arguments up to the first deducible argument.
|
|
Result.AddChunk(Chunk(CodeCompletionString::CK_LeftAngle));
|
|
AddTemplateParameterChunks(S.Context, FunTmpl, Result,
|
|
LastDeducibleArgument);
|
|
Result.AddChunk(Chunk(CodeCompletionString::CK_RightAngle));
|
|
}
|
|
|
|
// Add the function parameters
|
|
Result.AddChunk(Chunk(CodeCompletionString::CK_LeftParen));
|
|
AddFunctionParameterChunks(S.Context, Function, Result);
|
|
Result.AddChunk(Chunk(CodeCompletionString::CK_RightParen));
|
|
AddFunctionTypeQualsToCompletionString(Result, Function);
|
|
return Result.TakeString();
|
|
}
|
|
|
|
if (TemplateDecl *Template = dyn_cast<TemplateDecl>(ND)) {
|
|
AddQualifierToCompletionString(Result, Qualifier, QualifierIsInformative,
|
|
S.Context);
|
|
Result.AddTypedTextChunk(
|
|
Result.getAllocator().CopyString(Template->getNameAsString()));
|
|
Result.AddChunk(Chunk(CodeCompletionString::CK_LeftAngle));
|
|
AddTemplateParameterChunks(S.Context, Template, Result);
|
|
Result.AddChunk(Chunk(CodeCompletionString::CK_RightAngle));
|
|
return Result.TakeString();
|
|
}
|
|
|
|
if (ObjCMethodDecl *Method = dyn_cast<ObjCMethodDecl>(ND)) {
|
|
Selector Sel = Method->getSelector();
|
|
if (Sel.isUnarySelector()) {
|
|
Result.AddTypedTextChunk(Result.getAllocator().CopyString(
|
|
Sel.getNameForSlot(0)));
|
|
return Result.TakeString();
|
|
}
|
|
|
|
std::string SelName = Sel.getNameForSlot(0).str();
|
|
SelName += ':';
|
|
if (StartParameter == 0)
|
|
Result.AddTypedTextChunk(Result.getAllocator().CopyString(SelName));
|
|
else {
|
|
Result.AddInformativeChunk(Result.getAllocator().CopyString(SelName));
|
|
|
|
// If there is only one parameter, and we're past it, add an empty
|
|
// typed-text chunk since there is nothing to type.
|
|
if (Method->param_size() == 1)
|
|
Result.AddTypedTextChunk("");
|
|
}
|
|
unsigned Idx = 0;
|
|
for (ObjCMethodDecl::param_iterator P = Method->param_begin(),
|
|
PEnd = Method->param_end();
|
|
P != PEnd; (void)++P, ++Idx) {
|
|
if (Idx > 0) {
|
|
std::string Keyword;
|
|
if (Idx > StartParameter)
|
|
Result.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
if (IdentifierInfo *II = Sel.getIdentifierInfoForSlot(Idx))
|
|
Keyword += II->getName().str();
|
|
Keyword += ":";
|
|
if (Idx < StartParameter || AllParametersAreInformative)
|
|
Result.AddInformativeChunk(Result.getAllocator().CopyString(Keyword));
|
|
else
|
|
Result.AddTypedTextChunk(Result.getAllocator().CopyString(Keyword));
|
|
}
|
|
|
|
// If we're before the starting parameter, skip the placeholder.
|
|
if (Idx < StartParameter)
|
|
continue;
|
|
|
|
std::string Arg;
|
|
|
|
if ((*P)->getType()->isBlockPointerType() && !DeclaringEntity)
|
|
Arg = FormatFunctionParameter(S.Context, *P, true);
|
|
else {
|
|
(*P)->getType().getAsStringInternal(Arg, S.Context.PrintingPolicy);
|
|
Arg = "(" + Arg + ")";
|
|
if (IdentifierInfo *II = (*P)->getIdentifier())
|
|
if (DeclaringEntity || AllParametersAreInformative)
|
|
Arg += II->getName().str();
|
|
}
|
|
|
|
if (Method->isVariadic() && (P + 1) == PEnd)
|
|
Arg += ", ...";
|
|
|
|
if (DeclaringEntity)
|
|
Result.AddTextChunk(Result.getAllocator().CopyString(Arg));
|
|
else if (AllParametersAreInformative)
|
|
Result.AddInformativeChunk(Result.getAllocator().CopyString(Arg));
|
|
else
|
|
Result.AddPlaceholderChunk(Result.getAllocator().CopyString(Arg));
|
|
}
|
|
|
|
if (Method->isVariadic()) {
|
|
if (Method->param_size() == 0) {
|
|
if (DeclaringEntity)
|
|
Result.AddTextChunk(", ...");
|
|
else if (AllParametersAreInformative)
|
|
Result.AddInformativeChunk(", ...");
|
|
else
|
|
Result.AddPlaceholderChunk(", ...");
|
|
}
|
|
|
|
MaybeAddSentinel(S.Context, Method, Result);
|
|
}
|
|
|
|
return Result.TakeString();
|
|
}
|
|
|
|
if (Qualifier)
|
|
AddQualifierToCompletionString(Result, Qualifier, QualifierIsInformative,
|
|
S.Context);
|
|
|
|
Result.AddTypedTextChunk(
|
|
Result.getAllocator().CopyString(ND->getNameAsString()));
|
|
return Result.TakeString();
|
|
}
|
|
|
|
CodeCompletionString *
|
|
CodeCompleteConsumer::OverloadCandidate::CreateSignatureString(
|
|
unsigned CurrentArg,
|
|
Sema &S,
|
|
CodeCompletionAllocator &Allocator) const {
|
|
typedef CodeCompletionString::Chunk Chunk;
|
|
|
|
// FIXME: Set priority, availability appropriately.
|
|
CodeCompletionBuilder Result(Allocator, 1, CXAvailability_Available);
|
|
FunctionDecl *FDecl = getFunction();
|
|
AddResultTypeChunk(S.Context, FDecl, Result);
|
|
const FunctionProtoType *Proto
|
|
= dyn_cast<FunctionProtoType>(getFunctionType());
|
|
if (!FDecl && !Proto) {
|
|
// Function without a prototype. Just give the return type and a
|
|
// highlighted ellipsis.
|
|
const FunctionType *FT = getFunctionType();
|
|
Result.AddTextChunk(GetCompletionTypeString(FT->getResultType(),
|
|
S.Context,
|
|
Result.getAllocator()));
|
|
Result.AddChunk(Chunk(CodeCompletionString::CK_LeftParen));
|
|
Result.AddChunk(Chunk(CodeCompletionString::CK_CurrentParameter, "..."));
|
|
Result.AddChunk(Chunk(CodeCompletionString::CK_RightParen));
|
|
return Result.TakeString();
|
|
}
|
|
|
|
if (FDecl)
|
|
Result.AddTextChunk(
|
|
Result.getAllocator().CopyString(FDecl->getNameAsString()));
|
|
else
|
|
Result.AddTextChunk(
|
|
Result.getAllocator().CopyString(
|
|
Proto->getResultType().getAsString(S.Context.PrintingPolicy)));
|
|
|
|
Result.AddChunk(Chunk(CodeCompletionString::CK_LeftParen));
|
|
unsigned NumParams = FDecl? FDecl->getNumParams() : Proto->getNumArgs();
|
|
for (unsigned I = 0; I != NumParams; ++I) {
|
|
if (I)
|
|
Result.AddChunk(Chunk(CodeCompletionString::CK_Comma));
|
|
|
|
std::string ArgString;
|
|
QualType ArgType;
|
|
|
|
if (FDecl) {
|
|
ArgString = FDecl->getParamDecl(I)->getNameAsString();
|
|
ArgType = FDecl->getParamDecl(I)->getOriginalType();
|
|
} else {
|
|
ArgType = Proto->getArgType(I);
|
|
}
|
|
|
|
ArgType.getAsStringInternal(ArgString, S.Context.PrintingPolicy);
|
|
|
|
if (I == CurrentArg)
|
|
Result.AddChunk(Chunk(CodeCompletionString::CK_CurrentParameter,
|
|
Result.getAllocator().CopyString(ArgString)));
|
|
else
|
|
Result.AddTextChunk(Result.getAllocator().CopyString(ArgString));
|
|
}
|
|
|
|
if (Proto && Proto->isVariadic()) {
|
|
Result.AddChunk(Chunk(CodeCompletionString::CK_Comma));
|
|
if (CurrentArg < NumParams)
|
|
Result.AddTextChunk("...");
|
|
else
|
|
Result.AddChunk(Chunk(CodeCompletionString::CK_CurrentParameter, "..."));
|
|
}
|
|
Result.AddChunk(Chunk(CodeCompletionString::CK_RightParen));
|
|
|
|
return Result.TakeString();
|
|
}
|
|
|
|
unsigned clang::getMacroUsagePriority(llvm::StringRef MacroName,
|
|
const LangOptions &LangOpts,
|
|
bool PreferredTypeIsPointer) {
|
|
unsigned Priority = CCP_Macro;
|
|
|
|
// Treat the "nil", "Nil" and "NULL" macros as null pointer constants.
|
|
if (MacroName.equals("nil") || MacroName.equals("NULL") ||
|
|
MacroName.equals("Nil")) {
|
|
Priority = CCP_Constant;
|
|
if (PreferredTypeIsPointer)
|
|
Priority = Priority / CCF_SimilarTypeMatch;
|
|
}
|
|
// Treat "YES", "NO", "true", and "false" as constants.
|
|
else if (MacroName.equals("YES") || MacroName.equals("NO") ||
|
|
MacroName.equals("true") || MacroName.equals("false"))
|
|
Priority = CCP_Constant;
|
|
// Treat "bool" as a type.
|
|
else if (MacroName.equals("bool"))
|
|
Priority = CCP_Type + (LangOpts.ObjC1? CCD_bool_in_ObjC : 0);
|
|
|
|
|
|
return Priority;
|
|
}
|
|
|
|
CXCursorKind clang::getCursorKindForDecl(Decl *D) {
|
|
if (!D)
|
|
return CXCursor_UnexposedDecl;
|
|
|
|
switch (D->getKind()) {
|
|
case Decl::Enum: return CXCursor_EnumDecl;
|
|
case Decl::EnumConstant: return CXCursor_EnumConstantDecl;
|
|
case Decl::Field: return CXCursor_FieldDecl;
|
|
case Decl::Function:
|
|
return CXCursor_FunctionDecl;
|
|
case Decl::ObjCCategory: return CXCursor_ObjCCategoryDecl;
|
|
case Decl::ObjCCategoryImpl: return CXCursor_ObjCCategoryImplDecl;
|
|
case Decl::ObjCClass:
|
|
// FIXME
|
|
return CXCursor_UnexposedDecl;
|
|
case Decl::ObjCForwardProtocol:
|
|
// FIXME
|
|
return CXCursor_UnexposedDecl;
|
|
case Decl::ObjCImplementation: return CXCursor_ObjCImplementationDecl;
|
|
case Decl::ObjCInterface: return CXCursor_ObjCInterfaceDecl;
|
|
case Decl::ObjCIvar: return CXCursor_ObjCIvarDecl;
|
|
case Decl::ObjCMethod:
|
|
return cast<ObjCMethodDecl>(D)->isInstanceMethod()
|
|
? CXCursor_ObjCInstanceMethodDecl : CXCursor_ObjCClassMethodDecl;
|
|
case Decl::CXXMethod: return CXCursor_CXXMethod;
|
|
case Decl::CXXConstructor: return CXCursor_Constructor;
|
|
case Decl::CXXDestructor: return CXCursor_Destructor;
|
|
case Decl::CXXConversion: return CXCursor_ConversionFunction;
|
|
case Decl::ObjCProperty: return CXCursor_ObjCPropertyDecl;
|
|
case Decl::ObjCProtocol: return CXCursor_ObjCProtocolDecl;
|
|
case Decl::ParmVar: return CXCursor_ParmDecl;
|
|
case Decl::Typedef: return CXCursor_TypedefDecl;
|
|
case Decl::Var: return CXCursor_VarDecl;
|
|
case Decl::Namespace: return CXCursor_Namespace;
|
|
case Decl::NamespaceAlias: return CXCursor_NamespaceAlias;
|
|
case Decl::TemplateTypeParm: return CXCursor_TemplateTypeParameter;
|
|
case Decl::NonTypeTemplateParm:return CXCursor_NonTypeTemplateParameter;
|
|
case Decl::TemplateTemplateParm:return CXCursor_TemplateTemplateParameter;
|
|
case Decl::FunctionTemplate: return CXCursor_FunctionTemplate;
|
|
case Decl::ClassTemplate: return CXCursor_ClassTemplate;
|
|
case Decl::ClassTemplatePartialSpecialization:
|
|
return CXCursor_ClassTemplatePartialSpecialization;
|
|
case Decl::UsingDirective: return CXCursor_UsingDirective;
|
|
|
|
case Decl::Using:
|
|
case Decl::UnresolvedUsingValue:
|
|
case Decl::UnresolvedUsingTypename:
|
|
return CXCursor_UsingDeclaration;
|
|
|
|
default:
|
|
if (TagDecl *TD = dyn_cast<TagDecl>(D)) {
|
|
switch (TD->getTagKind()) {
|
|
case TTK_Struct: return CXCursor_StructDecl;
|
|
case TTK_Class: return CXCursor_ClassDecl;
|
|
case TTK_Union: return CXCursor_UnionDecl;
|
|
case TTK_Enum: return CXCursor_EnumDecl;
|
|
}
|
|
}
|
|
}
|
|
|
|
return CXCursor_UnexposedDecl;
|
|
}
|
|
|
|
static void AddMacroResults(Preprocessor &PP, ResultBuilder &Results,
|
|
bool TargetTypeIsPointer = false) {
|
|
typedef CodeCompletionResult Result;
|
|
|
|
Results.EnterNewScope();
|
|
|
|
for (Preprocessor::macro_iterator M = PP.macro_begin(),
|
|
MEnd = PP.macro_end();
|
|
M != MEnd; ++M) {
|
|
Results.AddResult(Result(M->first,
|
|
getMacroUsagePriority(M->first->getName(),
|
|
PP.getLangOptions(),
|
|
TargetTypeIsPointer)));
|
|
}
|
|
|
|
Results.ExitScope();
|
|
|
|
}
|
|
|
|
static void AddPrettyFunctionResults(const LangOptions &LangOpts,
|
|
ResultBuilder &Results) {
|
|
typedef CodeCompletionResult Result;
|
|
|
|
Results.EnterNewScope();
|
|
|
|
Results.AddResult(Result("__PRETTY_FUNCTION__", CCP_Constant));
|
|
Results.AddResult(Result("__FUNCTION__", CCP_Constant));
|
|
if (LangOpts.C99 || LangOpts.CPlusPlus0x)
|
|
Results.AddResult(Result("__func__", CCP_Constant));
|
|
Results.ExitScope();
|
|
}
|
|
|
|
static void HandleCodeCompleteResults(Sema *S,
|
|
CodeCompleteConsumer *CodeCompleter,
|
|
CodeCompletionContext Context,
|
|
CodeCompletionResult *Results,
|
|
unsigned NumResults) {
|
|
if (CodeCompleter)
|
|
CodeCompleter->ProcessCodeCompleteResults(*S, Context, Results, NumResults);
|
|
}
|
|
|
|
static enum CodeCompletionContext::Kind mapCodeCompletionContext(Sema &S,
|
|
Sema::ParserCompletionContext PCC) {
|
|
switch (PCC) {
|
|
case Sema::PCC_Namespace:
|
|
return CodeCompletionContext::CCC_TopLevel;
|
|
|
|
case Sema::PCC_Class:
|
|
return CodeCompletionContext::CCC_ClassStructUnion;
|
|
|
|
case Sema::PCC_ObjCInterface:
|
|
return CodeCompletionContext::CCC_ObjCInterface;
|
|
|
|
case Sema::PCC_ObjCImplementation:
|
|
return CodeCompletionContext::CCC_ObjCImplementation;
|
|
|
|
case Sema::PCC_ObjCInstanceVariableList:
|
|
return CodeCompletionContext::CCC_ObjCIvarList;
|
|
|
|
case Sema::PCC_Template:
|
|
case Sema::PCC_MemberTemplate:
|
|
if (S.CurContext->isFileContext())
|
|
return CodeCompletionContext::CCC_TopLevel;
|
|
else if (S.CurContext->isRecord())
|
|
return CodeCompletionContext::CCC_ClassStructUnion;
|
|
else
|
|
return CodeCompletionContext::CCC_Other;
|
|
|
|
case Sema::PCC_RecoveryInFunction:
|
|
return CodeCompletionContext::CCC_Recovery;
|
|
|
|
case Sema::PCC_ForInit:
|
|
if (S.getLangOptions().CPlusPlus || S.getLangOptions().C99 ||
|
|
S.getLangOptions().ObjC1)
|
|
return CodeCompletionContext::CCC_ParenthesizedExpression;
|
|
else
|
|
return CodeCompletionContext::CCC_Expression;
|
|
|
|
case Sema::PCC_Expression:
|
|
case Sema::PCC_Condition:
|
|
return CodeCompletionContext::CCC_Expression;
|
|
|
|
case Sema::PCC_Statement:
|
|
return CodeCompletionContext::CCC_Statement;
|
|
|
|
case Sema::PCC_Type:
|
|
return CodeCompletionContext::CCC_Type;
|
|
|
|
case Sema::PCC_ParenthesizedExpression:
|
|
return CodeCompletionContext::CCC_ParenthesizedExpression;
|
|
|
|
case Sema::PCC_LocalDeclarationSpecifiers:
|
|
return CodeCompletionContext::CCC_Type;
|
|
}
|
|
|
|
return CodeCompletionContext::CCC_Other;
|
|
}
|
|
|
|
/// \brief If we're in a C++ virtual member function, add completion results
|
|
/// that invoke the functions we override, since it's common to invoke the
|
|
/// overridden function as well as adding new functionality.
|
|
///
|
|
/// \param S The semantic analysis object for which we are generating results.
|
|
///
|
|
/// \param InContext This context in which the nested-name-specifier preceding
|
|
/// the code-completion point
|
|
static void MaybeAddOverrideCalls(Sema &S, DeclContext *InContext,
|
|
ResultBuilder &Results) {
|
|
// Look through blocks.
|
|
DeclContext *CurContext = S.CurContext;
|
|
while (isa<BlockDecl>(CurContext))
|
|
CurContext = CurContext->getParent();
|
|
|
|
|
|
CXXMethodDecl *Method = dyn_cast<CXXMethodDecl>(CurContext);
|
|
if (!Method || !Method->isVirtual())
|
|
return;
|
|
|
|
// We need to have names for all of the parameters, if we're going to
|
|
// generate a forwarding call.
|
|
for (CXXMethodDecl::param_iterator P = Method->param_begin(),
|
|
PEnd = Method->param_end();
|
|
P != PEnd;
|
|
++P) {
|
|
if (!(*P)->getDeclName())
|
|
return;
|
|
}
|
|
|
|
for (CXXMethodDecl::method_iterator M = Method->begin_overridden_methods(),
|
|
MEnd = Method->end_overridden_methods();
|
|
M != MEnd; ++M) {
|
|
CodeCompletionBuilder Builder(Results.getAllocator());
|
|
CXXMethodDecl *Overridden = const_cast<CXXMethodDecl *>(*M);
|
|
if (Overridden->getCanonicalDecl() == Method->getCanonicalDecl())
|
|
continue;
|
|
|
|
// If we need a nested-name-specifier, add one now.
|
|
if (!InContext) {
|
|
NestedNameSpecifier *NNS
|
|
= getRequiredQualification(S.Context, CurContext,
|
|
Overridden->getDeclContext());
|
|
if (NNS) {
|
|
std::string Str;
|
|
llvm::raw_string_ostream OS(Str);
|
|
NNS->print(OS, S.Context.PrintingPolicy);
|
|
Builder.AddTextChunk(Results.getAllocator().CopyString(OS.str()));
|
|
}
|
|
} else if (!InContext->Equals(Overridden->getDeclContext()))
|
|
continue;
|
|
|
|
Builder.AddTypedTextChunk(Results.getAllocator().CopyString(
|
|
Overridden->getNameAsString()));
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
bool FirstParam = true;
|
|
for (CXXMethodDecl::param_iterator P = Method->param_begin(),
|
|
PEnd = Method->param_end();
|
|
P != PEnd; ++P) {
|
|
if (FirstParam)
|
|
FirstParam = false;
|
|
else
|
|
Builder.AddChunk(CodeCompletionString::CK_Comma);
|
|
|
|
Builder.AddPlaceholderChunk(Results.getAllocator().CopyString(
|
|
(*P)->getIdentifier()->getName()));
|
|
}
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
Results.AddResult(CodeCompletionResult(Builder.TakeString(),
|
|
CCP_SuperCompletion,
|
|
CXCursor_CXXMethod));
|
|
Results.Ignore(Overridden);
|
|
}
|
|
}
|
|
|
|
void Sema::CodeCompleteOrdinaryName(Scope *S,
|
|
ParserCompletionContext CompletionContext) {
|
|
typedef CodeCompletionResult Result;
|
|
ResultBuilder Results(*this, CodeCompleter->getAllocator(),
|
|
mapCodeCompletionContext(*this, CompletionContext));
|
|
Results.EnterNewScope();
|
|
|
|
// Determine how to filter results, e.g., so that the names of
|
|
// values (functions, enumerators, function templates, etc.) are
|
|
// only allowed where we can have an expression.
|
|
switch (CompletionContext) {
|
|
case PCC_Namespace:
|
|
case PCC_Class:
|
|
case PCC_ObjCInterface:
|
|
case PCC_ObjCImplementation:
|
|
case PCC_ObjCInstanceVariableList:
|
|
case PCC_Template:
|
|
case PCC_MemberTemplate:
|
|
case PCC_Type:
|
|
case PCC_LocalDeclarationSpecifiers:
|
|
Results.setFilter(&ResultBuilder::IsOrdinaryNonValueName);
|
|
break;
|
|
|
|
case PCC_Statement:
|
|
case PCC_ParenthesizedExpression:
|
|
case PCC_Expression:
|
|
case PCC_ForInit:
|
|
case PCC_Condition:
|
|
if (WantTypesInContext(CompletionContext, getLangOptions()))
|
|
Results.setFilter(&ResultBuilder::IsOrdinaryName);
|
|
else
|
|
Results.setFilter(&ResultBuilder::IsOrdinaryNonTypeName);
|
|
|
|
if (getLangOptions().CPlusPlus)
|
|
MaybeAddOverrideCalls(*this, /*InContext=*/0, Results);
|
|
break;
|
|
|
|
case PCC_RecoveryInFunction:
|
|
// Unfiltered
|
|
break;
|
|
}
|
|
|
|
// If we are in a C++ non-static member function, check the qualifiers on
|
|
// the member function to filter/prioritize the results list.
|
|
if (CXXMethodDecl *CurMethod = dyn_cast<CXXMethodDecl>(CurContext))
|
|
if (CurMethod->isInstance())
|
|
Results.setObjectTypeQualifiers(
|
|
Qualifiers::fromCVRMask(CurMethod->getTypeQualifiers()));
|
|
|
|
CodeCompletionDeclConsumer Consumer(Results, CurContext);
|
|
LookupVisibleDecls(S, LookupOrdinaryName, Consumer,
|
|
CodeCompleter->includeGlobals());
|
|
|
|
AddOrdinaryNameResults(CompletionContext, S, *this, Results);
|
|
Results.ExitScope();
|
|
|
|
switch (CompletionContext) {
|
|
case PCC_ParenthesizedExpression:
|
|
case PCC_Expression:
|
|
case PCC_Statement:
|
|
case PCC_RecoveryInFunction:
|
|
if (S->getFnParent())
|
|
AddPrettyFunctionResults(PP.getLangOptions(), Results);
|
|
break;
|
|
|
|
case PCC_Namespace:
|
|
case PCC_Class:
|
|
case PCC_ObjCInterface:
|
|
case PCC_ObjCImplementation:
|
|
case PCC_ObjCInstanceVariableList:
|
|
case PCC_Template:
|
|
case PCC_MemberTemplate:
|
|
case PCC_ForInit:
|
|
case PCC_Condition:
|
|
case PCC_Type:
|
|
case PCC_LocalDeclarationSpecifiers:
|
|
break;
|
|
}
|
|
|
|
if (CodeCompleter->includeMacros())
|
|
AddMacroResults(PP, Results);
|
|
|
|
HandleCodeCompleteResults(this, CodeCompleter, Results.getCompletionContext(),
|
|
Results.data(),Results.size());
|
|
}
|
|
|
|
static void AddClassMessageCompletions(Sema &SemaRef, Scope *S,
|
|
ParsedType Receiver,
|
|
IdentifierInfo **SelIdents,
|
|
unsigned NumSelIdents,
|
|
bool AtArgumentExpression,
|
|
bool IsSuper,
|
|
ResultBuilder &Results);
|
|
|
|
void Sema::CodeCompleteDeclSpec(Scope *S, DeclSpec &DS,
|
|
bool AllowNonIdentifiers,
|
|
bool AllowNestedNameSpecifiers) {
|
|
typedef CodeCompletionResult Result;
|
|
ResultBuilder Results(*this, CodeCompleter->getAllocator(),
|
|
AllowNestedNameSpecifiers
|
|
? CodeCompletionContext::CCC_PotentiallyQualifiedName
|
|
: CodeCompletionContext::CCC_Name);
|
|
Results.EnterNewScope();
|
|
|
|
// Type qualifiers can come after names.
|
|
Results.AddResult(Result("const"));
|
|
Results.AddResult(Result("volatile"));
|
|
if (getLangOptions().C99)
|
|
Results.AddResult(Result("restrict"));
|
|
|
|
if (getLangOptions().CPlusPlus) {
|
|
if (AllowNonIdentifiers) {
|
|
Results.AddResult(Result("operator"));
|
|
}
|
|
|
|
// Add nested-name-specifiers.
|
|
if (AllowNestedNameSpecifiers) {
|
|
Results.allowNestedNameSpecifiers();
|
|
Results.setFilter(&ResultBuilder::IsImpossibleToSatisfy);
|
|
CodeCompletionDeclConsumer Consumer(Results, CurContext);
|
|
LookupVisibleDecls(S, LookupNestedNameSpecifierName, Consumer,
|
|
CodeCompleter->includeGlobals());
|
|
Results.setFilter(0);
|
|
}
|
|
}
|
|
Results.ExitScope();
|
|
|
|
// If we're in a context where we might have an expression (rather than a
|
|
// declaration), and what we've seen so far is an Objective-C type that could
|
|
// be a receiver of a class message, this may be a class message send with
|
|
// the initial opening bracket '[' missing. Add appropriate completions.
|
|
if (AllowNonIdentifiers && !AllowNestedNameSpecifiers &&
|
|
DS.getTypeSpecType() == DeclSpec::TST_typename &&
|
|
DS.getStorageClassSpecAsWritten() == DeclSpec::SCS_unspecified &&
|
|
!DS.isThreadSpecified() && !DS.isExternInLinkageSpec() &&
|
|
DS.getTypeSpecComplex() == DeclSpec::TSC_unspecified &&
|
|
DS.getTypeSpecSign() == DeclSpec::TSS_unspecified &&
|
|
DS.getTypeQualifiers() == 0 &&
|
|
S &&
|
|
(S->getFlags() & Scope::DeclScope) != 0 &&
|
|
(S->getFlags() & (Scope::ClassScope | Scope::TemplateParamScope |
|
|
Scope::FunctionPrototypeScope |
|
|
Scope::AtCatchScope)) == 0) {
|
|
ParsedType T = DS.getRepAsType();
|
|
if (!T.get().isNull() && T.get()->isObjCObjectOrInterfaceType())
|
|
AddClassMessageCompletions(*this, S, T, 0, 0, false, false, Results);
|
|
}
|
|
|
|
// Note that we intentionally suppress macro results here, since we do not
|
|
// encourage using macros to produce the names of entities.
|
|
|
|
HandleCodeCompleteResults(this, CodeCompleter,
|
|
Results.getCompletionContext(),
|
|
Results.data(), Results.size());
|
|
}
|
|
|
|
struct Sema::CodeCompleteExpressionData {
|
|
CodeCompleteExpressionData(QualType PreferredType = QualType())
|
|
: PreferredType(PreferredType), IntegralConstantExpression(false),
|
|
ObjCCollection(false) { }
|
|
|
|
QualType PreferredType;
|
|
bool IntegralConstantExpression;
|
|
bool ObjCCollection;
|
|
llvm::SmallVector<Decl *, 4> IgnoreDecls;
|
|
};
|
|
|
|
/// \brief Perform code-completion in an expression context when we know what
|
|
/// type we're looking for.
|
|
///
|
|
/// \param IntegralConstantExpression Only permit integral constant
|
|
/// expressions.
|
|
void Sema::CodeCompleteExpression(Scope *S,
|
|
const CodeCompleteExpressionData &Data) {
|
|
typedef CodeCompletionResult Result;
|
|
ResultBuilder Results(*this, CodeCompleter->getAllocator(),
|
|
CodeCompletionContext::CCC_Expression);
|
|
if (Data.ObjCCollection)
|
|
Results.setFilter(&ResultBuilder::IsObjCCollection);
|
|
else if (Data.IntegralConstantExpression)
|
|
Results.setFilter(&ResultBuilder::IsIntegralConstantValue);
|
|
else if (WantTypesInContext(PCC_Expression, getLangOptions()))
|
|
Results.setFilter(&ResultBuilder::IsOrdinaryName);
|
|
else
|
|
Results.setFilter(&ResultBuilder::IsOrdinaryNonTypeName);
|
|
|
|
if (!Data.PreferredType.isNull())
|
|
Results.setPreferredType(Data.PreferredType.getNonReferenceType());
|
|
|
|
// Ignore any declarations that we were told that we don't care about.
|
|
for (unsigned I = 0, N = Data.IgnoreDecls.size(); I != N; ++I)
|
|
Results.Ignore(Data.IgnoreDecls[I]);
|
|
|
|
CodeCompletionDeclConsumer Consumer(Results, CurContext);
|
|
LookupVisibleDecls(S, LookupOrdinaryName, Consumer,
|
|
CodeCompleter->includeGlobals());
|
|
|
|
Results.EnterNewScope();
|
|
AddOrdinaryNameResults(PCC_Expression, S, *this, Results);
|
|
Results.ExitScope();
|
|
|
|
bool PreferredTypeIsPointer = false;
|
|
if (!Data.PreferredType.isNull())
|
|
PreferredTypeIsPointer = Data.PreferredType->isAnyPointerType()
|
|
|| Data.PreferredType->isMemberPointerType()
|
|
|| Data.PreferredType->isBlockPointerType();
|
|
|
|
if (S->getFnParent() &&
|
|
!Data.ObjCCollection &&
|
|
!Data.IntegralConstantExpression)
|
|
AddPrettyFunctionResults(PP.getLangOptions(), Results);
|
|
|
|
if (CodeCompleter->includeMacros())
|
|
AddMacroResults(PP, Results, PreferredTypeIsPointer);
|
|
HandleCodeCompleteResults(this, CodeCompleter,
|
|
CodeCompletionContext(CodeCompletionContext::CCC_Expression,
|
|
Data.PreferredType),
|
|
Results.data(),Results.size());
|
|
}
|
|
|
|
void Sema::CodeCompletePostfixExpression(Scope *S, ExprResult E) {
|
|
if (E.isInvalid())
|
|
CodeCompleteOrdinaryName(S, PCC_RecoveryInFunction);
|
|
else if (getLangOptions().ObjC1)
|
|
CodeCompleteObjCInstanceMessage(S, E.take(), 0, 0, false);
|
|
}
|
|
|
|
/// \brief The set of properties that have already been added, referenced by
|
|
/// property name.
|
|
typedef llvm::SmallPtrSet<IdentifierInfo*, 16> AddedPropertiesSet;
|
|
|
|
static void AddObjCProperties(ObjCContainerDecl *Container,
|
|
bool AllowCategories,
|
|
DeclContext *CurContext,
|
|
AddedPropertiesSet &AddedProperties,
|
|
ResultBuilder &Results) {
|
|
typedef CodeCompletionResult Result;
|
|
|
|
// Add properties in this container.
|
|
for (ObjCContainerDecl::prop_iterator P = Container->prop_begin(),
|
|
PEnd = Container->prop_end();
|
|
P != PEnd;
|
|
++P) {
|
|
if (AddedProperties.insert(P->getIdentifier()))
|
|
Results.MaybeAddResult(Result(*P, 0), CurContext);
|
|
}
|
|
|
|
// Add properties in referenced protocols.
|
|
if (ObjCProtocolDecl *Protocol = dyn_cast<ObjCProtocolDecl>(Container)) {
|
|
for (ObjCProtocolDecl::protocol_iterator P = Protocol->protocol_begin(),
|
|
PEnd = Protocol->protocol_end();
|
|
P != PEnd; ++P)
|
|
AddObjCProperties(*P, AllowCategories, CurContext, AddedProperties,
|
|
Results);
|
|
} else if (ObjCInterfaceDecl *IFace = dyn_cast<ObjCInterfaceDecl>(Container)){
|
|
if (AllowCategories) {
|
|
// Look through categories.
|
|
for (ObjCCategoryDecl *Category = IFace->getCategoryList();
|
|
Category; Category = Category->getNextClassCategory())
|
|
AddObjCProperties(Category, AllowCategories, CurContext,
|
|
AddedProperties, Results);
|
|
}
|
|
|
|
// Look through protocols.
|
|
for (ObjCInterfaceDecl::all_protocol_iterator
|
|
I = IFace->all_referenced_protocol_begin(),
|
|
E = IFace->all_referenced_protocol_end(); I != E; ++I)
|
|
AddObjCProperties(*I, AllowCategories, CurContext, AddedProperties,
|
|
Results);
|
|
|
|
// Look in the superclass.
|
|
if (IFace->getSuperClass())
|
|
AddObjCProperties(IFace->getSuperClass(), AllowCategories, CurContext,
|
|
AddedProperties, Results);
|
|
} else if (const ObjCCategoryDecl *Category
|
|
= dyn_cast<ObjCCategoryDecl>(Container)) {
|
|
// Look through protocols.
|
|
for (ObjCCategoryDecl::protocol_iterator P = Category->protocol_begin(),
|
|
PEnd = Category->protocol_end();
|
|
P != PEnd; ++P)
|
|
AddObjCProperties(*P, AllowCategories, CurContext, AddedProperties,
|
|
Results);
|
|
}
|
|
}
|
|
|
|
void Sema::CodeCompleteMemberReferenceExpr(Scope *S, ExprTy *BaseE,
|
|
SourceLocation OpLoc,
|
|
bool IsArrow) {
|
|
if (!BaseE || !CodeCompleter)
|
|
return;
|
|
|
|
typedef CodeCompletionResult Result;
|
|
|
|
Expr *Base = static_cast<Expr *>(BaseE);
|
|
QualType BaseType = Base->getType();
|
|
|
|
if (IsArrow) {
|
|
if (const PointerType *Ptr = BaseType->getAs<PointerType>())
|
|
BaseType = Ptr->getPointeeType();
|
|
else if (BaseType->isObjCObjectPointerType())
|
|
/*Do nothing*/ ;
|
|
else
|
|
return;
|
|
}
|
|
|
|
ResultBuilder Results(*this, CodeCompleter->getAllocator(),
|
|
CodeCompletionContext(CodeCompletionContext::CCC_MemberAccess,
|
|
BaseType),
|
|
&ResultBuilder::IsMember);
|
|
Results.EnterNewScope();
|
|
if (const RecordType *Record = BaseType->getAs<RecordType>()) {
|
|
// Indicate that we are performing a member access, and the cv-qualifiers
|
|
// for the base object type.
|
|
Results.setObjectTypeQualifiers(BaseType.getQualifiers());
|
|
|
|
// Access to a C/C++ class, struct, or union.
|
|
Results.allowNestedNameSpecifiers();
|
|
CodeCompletionDeclConsumer Consumer(Results, CurContext);
|
|
LookupVisibleDecls(Record->getDecl(), LookupMemberName, Consumer,
|
|
CodeCompleter->includeGlobals());
|
|
|
|
if (getLangOptions().CPlusPlus) {
|
|
if (!Results.empty()) {
|
|
// The "template" keyword can follow "->" or "." in the grammar.
|
|
// However, we only want to suggest the template keyword if something
|
|
// is dependent.
|
|
bool IsDependent = BaseType->isDependentType();
|
|
if (!IsDependent) {
|
|
for (Scope *DepScope = S; DepScope; DepScope = DepScope->getParent())
|
|
if (DeclContext *Ctx = (DeclContext *)DepScope->getEntity()) {
|
|
IsDependent = Ctx->isDependentContext();
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (IsDependent)
|
|
Results.AddResult(Result("template"));
|
|
}
|
|
}
|
|
} else if (!IsArrow && BaseType->getAsObjCInterfacePointerType()) {
|
|
// Objective-C property reference.
|
|
AddedPropertiesSet AddedProperties;
|
|
|
|
// Add property results based on our interface.
|
|
const ObjCObjectPointerType *ObjCPtr
|
|
= BaseType->getAsObjCInterfacePointerType();
|
|
assert(ObjCPtr && "Non-NULL pointer guaranteed above!");
|
|
AddObjCProperties(ObjCPtr->getInterfaceDecl(), true, CurContext,
|
|
AddedProperties, Results);
|
|
|
|
// Add properties from the protocols in a qualified interface.
|
|
for (ObjCObjectPointerType::qual_iterator I = ObjCPtr->qual_begin(),
|
|
E = ObjCPtr->qual_end();
|
|
I != E; ++I)
|
|
AddObjCProperties(*I, true, CurContext, AddedProperties, Results);
|
|
} else if ((IsArrow && BaseType->isObjCObjectPointerType()) ||
|
|
(!IsArrow && BaseType->isObjCObjectType())) {
|
|
// Objective-C instance variable access.
|
|
ObjCInterfaceDecl *Class = 0;
|
|
if (const ObjCObjectPointerType *ObjCPtr
|
|
= BaseType->getAs<ObjCObjectPointerType>())
|
|
Class = ObjCPtr->getInterfaceDecl();
|
|
else
|
|
Class = BaseType->getAs<ObjCObjectType>()->getInterface();
|
|
|
|
// Add all ivars from this class and its superclasses.
|
|
if (Class) {
|
|
CodeCompletionDeclConsumer Consumer(Results, CurContext);
|
|
Results.setFilter(&ResultBuilder::IsObjCIvar);
|
|
LookupVisibleDecls(Class, LookupMemberName, Consumer,
|
|
CodeCompleter->includeGlobals());
|
|
}
|
|
}
|
|
|
|
// FIXME: How do we cope with isa?
|
|
|
|
Results.ExitScope();
|
|
|
|
// Hand off the results found for code completion.
|
|
HandleCodeCompleteResults(this, CodeCompleter,
|
|
Results.getCompletionContext(),
|
|
Results.data(),Results.size());
|
|
}
|
|
|
|
void Sema::CodeCompleteTag(Scope *S, unsigned TagSpec) {
|
|
if (!CodeCompleter)
|
|
return;
|
|
|
|
typedef CodeCompletionResult Result;
|
|
ResultBuilder::LookupFilter Filter = 0;
|
|
enum CodeCompletionContext::Kind ContextKind
|
|
= CodeCompletionContext::CCC_Other;
|
|
switch ((DeclSpec::TST)TagSpec) {
|
|
case DeclSpec::TST_enum:
|
|
Filter = &ResultBuilder::IsEnum;
|
|
ContextKind = CodeCompletionContext::CCC_EnumTag;
|
|
break;
|
|
|
|
case DeclSpec::TST_union:
|
|
Filter = &ResultBuilder::IsUnion;
|
|
ContextKind = CodeCompletionContext::CCC_UnionTag;
|
|
break;
|
|
|
|
case DeclSpec::TST_struct:
|
|
case DeclSpec::TST_class:
|
|
Filter = &ResultBuilder::IsClassOrStruct;
|
|
ContextKind = CodeCompletionContext::CCC_ClassOrStructTag;
|
|
break;
|
|
|
|
default:
|
|
assert(false && "Unknown type specifier kind in CodeCompleteTag");
|
|
return;
|
|
}
|
|
|
|
ResultBuilder Results(*this, CodeCompleter->getAllocator(), ContextKind);
|
|
CodeCompletionDeclConsumer Consumer(Results, CurContext);
|
|
|
|
// First pass: look for tags.
|
|
Results.setFilter(Filter);
|
|
LookupVisibleDecls(S, LookupTagName, Consumer,
|
|
CodeCompleter->includeGlobals());
|
|
|
|
if (CodeCompleter->includeGlobals()) {
|
|
// Second pass: look for nested name specifiers.
|
|
Results.setFilter(&ResultBuilder::IsNestedNameSpecifier);
|
|
LookupVisibleDecls(S, LookupNestedNameSpecifierName, Consumer);
|
|
}
|
|
|
|
HandleCodeCompleteResults(this, CodeCompleter, Results.getCompletionContext(),
|
|
Results.data(),Results.size());
|
|
}
|
|
|
|
void Sema::CodeCompleteTypeQualifiers(DeclSpec &DS) {
|
|
ResultBuilder Results(*this, CodeCompleter->getAllocator(),
|
|
CodeCompletionContext::CCC_TypeQualifiers);
|
|
Results.EnterNewScope();
|
|
if (!(DS.getTypeQualifiers() & DeclSpec::TQ_const))
|
|
Results.AddResult("const");
|
|
if (!(DS.getTypeQualifiers() & DeclSpec::TQ_volatile))
|
|
Results.AddResult("volatile");
|
|
if (getLangOptions().C99 &&
|
|
!(DS.getTypeQualifiers() & DeclSpec::TQ_restrict))
|
|
Results.AddResult("restrict");
|
|
Results.ExitScope();
|
|
HandleCodeCompleteResults(this, CodeCompleter,
|
|
Results.getCompletionContext(),
|
|
Results.data(), Results.size());
|
|
}
|
|
|
|
void Sema::CodeCompleteCase(Scope *S) {
|
|
if (getCurFunction()->SwitchStack.empty() || !CodeCompleter)
|
|
return;
|
|
|
|
SwitchStmt *Switch = getCurFunction()->SwitchStack.back();
|
|
if (!Switch->getCond()->getType()->isEnumeralType()) {
|
|
CodeCompleteExpressionData Data(Switch->getCond()->getType());
|
|
Data.IntegralConstantExpression = true;
|
|
CodeCompleteExpression(S, Data);
|
|
return;
|
|
}
|
|
|
|
// Code-complete the cases of a switch statement over an enumeration type
|
|
// by providing the list of
|
|
EnumDecl *Enum = Switch->getCond()->getType()->getAs<EnumType>()->getDecl();
|
|
|
|
// Determine which enumerators we have already seen in the switch statement.
|
|
// FIXME: Ideally, we would also be able to look *past* the code-completion
|
|
// token, in case we are code-completing in the middle of the switch and not
|
|
// at the end. However, we aren't able to do so at the moment.
|
|
llvm::SmallPtrSet<EnumConstantDecl *, 8> EnumeratorsSeen;
|
|
NestedNameSpecifier *Qualifier = 0;
|
|
for (SwitchCase *SC = Switch->getSwitchCaseList(); SC;
|
|
SC = SC->getNextSwitchCase()) {
|
|
CaseStmt *Case = dyn_cast<CaseStmt>(SC);
|
|
if (!Case)
|
|
continue;
|
|
|
|
Expr *CaseVal = Case->getLHS()->IgnoreParenCasts();
|
|
if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(CaseVal))
|
|
if (EnumConstantDecl *Enumerator
|
|
= dyn_cast<EnumConstantDecl>(DRE->getDecl())) {
|
|
// We look into the AST of the case statement to determine which
|
|
// enumerator was named. Alternatively, we could compute the value of
|
|
// the integral constant expression, then compare it against the
|
|
// values of each enumerator. However, value-based approach would not
|
|
// work as well with C++ templates where enumerators declared within a
|
|
// template are type- and value-dependent.
|
|
EnumeratorsSeen.insert(Enumerator);
|
|
|
|
// If this is a qualified-id, keep track of the nested-name-specifier
|
|
// so that we can reproduce it as part of code completion, e.g.,
|
|
//
|
|
// switch (TagD.getKind()) {
|
|
// case TagDecl::TK_enum:
|
|
// break;
|
|
// case XXX
|
|
//
|
|
// At the XXX, our completions are TagDecl::TK_union,
|
|
// TagDecl::TK_struct, and TagDecl::TK_class, rather than TK_union,
|
|
// TK_struct, and TK_class.
|
|
Qualifier = DRE->getQualifier();
|
|
}
|
|
}
|
|
|
|
if (getLangOptions().CPlusPlus && !Qualifier && EnumeratorsSeen.empty()) {
|
|
// If there are no prior enumerators in C++, check whether we have to
|
|
// qualify the names of the enumerators that we suggest, because they
|
|
// may not be visible in this scope.
|
|
Qualifier = getRequiredQualification(Context, CurContext,
|
|
Enum->getDeclContext());
|
|
|
|
// FIXME: Scoped enums need to start with "EnumDecl" as the context!
|
|
}
|
|
|
|
// Add any enumerators that have not yet been mentioned.
|
|
ResultBuilder Results(*this, CodeCompleter->getAllocator(),
|
|
CodeCompletionContext::CCC_Expression);
|
|
Results.EnterNewScope();
|
|
for (EnumDecl::enumerator_iterator E = Enum->enumerator_begin(),
|
|
EEnd = Enum->enumerator_end();
|
|
E != EEnd; ++E) {
|
|
if (EnumeratorsSeen.count(*E))
|
|
continue;
|
|
|
|
CodeCompletionResult R(*E, Qualifier);
|
|
R.Priority = CCP_EnumInCase;
|
|
Results.AddResult(R, CurContext, 0, false);
|
|
}
|
|
Results.ExitScope();
|
|
|
|
if (CodeCompleter->includeMacros())
|
|
AddMacroResults(PP, Results);
|
|
HandleCodeCompleteResults(this, CodeCompleter,
|
|
CodeCompletionContext::CCC_OtherWithMacros,
|
|
Results.data(),Results.size());
|
|
}
|
|
|
|
namespace {
|
|
struct IsBetterOverloadCandidate {
|
|
Sema &S;
|
|
SourceLocation Loc;
|
|
|
|
public:
|
|
explicit IsBetterOverloadCandidate(Sema &S, SourceLocation Loc)
|
|
: S(S), Loc(Loc) { }
|
|
|
|
bool
|
|
operator()(const OverloadCandidate &X, const OverloadCandidate &Y) const {
|
|
return isBetterOverloadCandidate(S, X, Y, Loc);
|
|
}
|
|
};
|
|
}
|
|
|
|
static bool anyNullArguments(Expr **Args, unsigned NumArgs) {
|
|
if (NumArgs && !Args)
|
|
return true;
|
|
|
|
for (unsigned I = 0; I != NumArgs; ++I)
|
|
if (!Args[I])
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
void Sema::CodeCompleteCall(Scope *S, ExprTy *FnIn,
|
|
ExprTy **ArgsIn, unsigned NumArgs) {
|
|
if (!CodeCompleter)
|
|
return;
|
|
|
|
// When we're code-completing for a call, we fall back to ordinary
|
|
// name code-completion whenever we can't produce specific
|
|
// results. We may want to revisit this strategy in the future,
|
|
// e.g., by merging the two kinds of results.
|
|
|
|
Expr *Fn = (Expr *)FnIn;
|
|
Expr **Args = (Expr **)ArgsIn;
|
|
|
|
// Ignore type-dependent call expressions entirely.
|
|
if (!Fn || Fn->isTypeDependent() || anyNullArguments(Args, NumArgs) ||
|
|
Expr::hasAnyTypeDependentArguments(Args, NumArgs)) {
|
|
CodeCompleteOrdinaryName(S, PCC_Expression);
|
|
return;
|
|
}
|
|
|
|
// Build an overload candidate set based on the functions we find.
|
|
SourceLocation Loc = Fn->getExprLoc();
|
|
OverloadCandidateSet CandidateSet(Loc);
|
|
|
|
// FIXME: What if we're calling something that isn't a function declaration?
|
|
// FIXME: What if we're calling a pseudo-destructor?
|
|
// FIXME: What if we're calling a member function?
|
|
|
|
typedef CodeCompleteConsumer::OverloadCandidate ResultCandidate;
|
|
llvm::SmallVector<ResultCandidate, 8> Results;
|
|
|
|
Expr *NakedFn = Fn->IgnoreParenCasts();
|
|
if (UnresolvedLookupExpr *ULE = dyn_cast<UnresolvedLookupExpr>(NakedFn))
|
|
AddOverloadedCallCandidates(ULE, Args, NumArgs, CandidateSet,
|
|
/*PartialOverloading=*/ true);
|
|
else if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(NakedFn)) {
|
|
FunctionDecl *FDecl = dyn_cast<FunctionDecl>(DRE->getDecl());
|
|
if (FDecl) {
|
|
if (!getLangOptions().CPlusPlus ||
|
|
!FDecl->getType()->getAs<FunctionProtoType>())
|
|
Results.push_back(ResultCandidate(FDecl));
|
|
else
|
|
// FIXME: access?
|
|
AddOverloadCandidate(FDecl, DeclAccessPair::make(FDecl, AS_none),
|
|
Args, NumArgs, CandidateSet,
|
|
false, /*PartialOverloading*/true);
|
|
}
|
|
}
|
|
|
|
QualType ParamType;
|
|
|
|
if (!CandidateSet.empty()) {
|
|
// Sort the overload candidate set by placing the best overloads first.
|
|
std::stable_sort(CandidateSet.begin(), CandidateSet.end(),
|
|
IsBetterOverloadCandidate(*this, Loc));
|
|
|
|
// Add the remaining viable overload candidates as code-completion reslults.
|
|
for (OverloadCandidateSet::iterator Cand = CandidateSet.begin(),
|
|
CandEnd = CandidateSet.end();
|
|
Cand != CandEnd; ++Cand) {
|
|
if (Cand->Viable)
|
|
Results.push_back(ResultCandidate(Cand->Function));
|
|
}
|
|
|
|
// From the viable candidates, try to determine the type of this parameter.
|
|
for (unsigned I = 0, N = Results.size(); I != N; ++I) {
|
|
if (const FunctionType *FType = Results[I].getFunctionType())
|
|
if (const FunctionProtoType *Proto = dyn_cast<FunctionProtoType>(FType))
|
|
if (NumArgs < Proto->getNumArgs()) {
|
|
if (ParamType.isNull())
|
|
ParamType = Proto->getArgType(NumArgs);
|
|
else if (!Context.hasSameUnqualifiedType(
|
|
ParamType.getNonReferenceType(),
|
|
Proto->getArgType(NumArgs).getNonReferenceType())) {
|
|
ParamType = QualType();
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
// Try to determine the parameter type from the type of the expression
|
|
// being called.
|
|
QualType FunctionType = Fn->getType();
|
|
if (const PointerType *Ptr = FunctionType->getAs<PointerType>())
|
|
FunctionType = Ptr->getPointeeType();
|
|
else if (const BlockPointerType *BlockPtr
|
|
= FunctionType->getAs<BlockPointerType>())
|
|
FunctionType = BlockPtr->getPointeeType();
|
|
else if (const MemberPointerType *MemPtr
|
|
= FunctionType->getAs<MemberPointerType>())
|
|
FunctionType = MemPtr->getPointeeType();
|
|
|
|
if (const FunctionProtoType *Proto
|
|
= FunctionType->getAs<FunctionProtoType>()) {
|
|
if (NumArgs < Proto->getNumArgs())
|
|
ParamType = Proto->getArgType(NumArgs);
|
|
}
|
|
}
|
|
|
|
if (ParamType.isNull())
|
|
CodeCompleteOrdinaryName(S, PCC_Expression);
|
|
else
|
|
CodeCompleteExpression(S, ParamType);
|
|
|
|
if (!Results.empty())
|
|
CodeCompleter->ProcessOverloadCandidates(*this, NumArgs, Results.data(),
|
|
Results.size());
|
|
}
|
|
|
|
void Sema::CodeCompleteInitializer(Scope *S, Decl *D) {
|
|
ValueDecl *VD = dyn_cast_or_null<ValueDecl>(D);
|
|
if (!VD) {
|
|
CodeCompleteOrdinaryName(S, PCC_Expression);
|
|
return;
|
|
}
|
|
|
|
CodeCompleteExpression(S, VD->getType());
|
|
}
|
|
|
|
void Sema::CodeCompleteReturn(Scope *S) {
|
|
QualType ResultType;
|
|
if (isa<BlockDecl>(CurContext)) {
|
|
if (BlockScopeInfo *BSI = getCurBlock())
|
|
ResultType = BSI->ReturnType;
|
|
} else if (FunctionDecl *Function = dyn_cast<FunctionDecl>(CurContext))
|
|
ResultType = Function->getResultType();
|
|
else if (ObjCMethodDecl *Method = dyn_cast<ObjCMethodDecl>(CurContext))
|
|
ResultType = Method->getResultType();
|
|
|
|
if (ResultType.isNull())
|
|
CodeCompleteOrdinaryName(S, PCC_Expression);
|
|
else
|
|
CodeCompleteExpression(S, ResultType);
|
|
}
|
|
|
|
void Sema::CodeCompleteAssignmentRHS(Scope *S, ExprTy *LHS) {
|
|
if (LHS)
|
|
CodeCompleteExpression(S, static_cast<Expr *>(LHS)->getType());
|
|
else
|
|
CodeCompleteOrdinaryName(S, PCC_Expression);
|
|
}
|
|
|
|
void Sema::CodeCompleteQualifiedId(Scope *S, CXXScopeSpec &SS,
|
|
bool EnteringContext) {
|
|
if (!SS.getScopeRep() || !CodeCompleter)
|
|
return;
|
|
|
|
DeclContext *Ctx = computeDeclContext(SS, EnteringContext);
|
|
if (!Ctx)
|
|
return;
|
|
|
|
// Try to instantiate any non-dependent declaration contexts before
|
|
// we look in them.
|
|
if (!isDependentScopeSpecifier(SS) && RequireCompleteDeclContext(SS, Ctx))
|
|
return;
|
|
|
|
ResultBuilder Results(*this, CodeCompleter->getAllocator(),
|
|
CodeCompletionContext::CCC_Name);
|
|
Results.EnterNewScope();
|
|
|
|
// The "template" keyword can follow "::" in the grammar, but only
|
|
// put it into the grammar if the nested-name-specifier is dependent.
|
|
NestedNameSpecifier *NNS = (NestedNameSpecifier *)SS.getScopeRep();
|
|
if (!Results.empty() && NNS->isDependent())
|
|
Results.AddResult("template");
|
|
|
|
// Add calls to overridden virtual functions, if there are any.
|
|
//
|
|
// FIXME: This isn't wonderful, because we don't know whether we're actually
|
|
// in a context that permits expressions. This is a general issue with
|
|
// qualified-id completions.
|
|
if (!EnteringContext)
|
|
MaybeAddOverrideCalls(*this, Ctx, Results);
|
|
Results.ExitScope();
|
|
|
|
CodeCompletionDeclConsumer Consumer(Results, CurContext);
|
|
LookupVisibleDecls(Ctx, LookupOrdinaryName, Consumer);
|
|
|
|
HandleCodeCompleteResults(this, CodeCompleter,
|
|
CodeCompletionContext::CCC_Name,
|
|
Results.data(),Results.size());
|
|
}
|
|
|
|
void Sema::CodeCompleteUsing(Scope *S) {
|
|
if (!CodeCompleter)
|
|
return;
|
|
|
|
ResultBuilder Results(*this, CodeCompleter->getAllocator(),
|
|
CodeCompletionContext::CCC_PotentiallyQualifiedName,
|
|
&ResultBuilder::IsNestedNameSpecifier);
|
|
Results.EnterNewScope();
|
|
|
|
// If we aren't in class scope, we could see the "namespace" keyword.
|
|
if (!S->isClassScope())
|
|
Results.AddResult(CodeCompletionResult("namespace"));
|
|
|
|
// After "using", we can see anything that would start a
|
|
// nested-name-specifier.
|
|
CodeCompletionDeclConsumer Consumer(Results, CurContext);
|
|
LookupVisibleDecls(S, LookupOrdinaryName, Consumer,
|
|
CodeCompleter->includeGlobals());
|
|
Results.ExitScope();
|
|
|
|
HandleCodeCompleteResults(this, CodeCompleter,
|
|
CodeCompletionContext::CCC_PotentiallyQualifiedName,
|
|
Results.data(),Results.size());
|
|
}
|
|
|
|
void Sema::CodeCompleteUsingDirective(Scope *S) {
|
|
if (!CodeCompleter)
|
|
return;
|
|
|
|
// After "using namespace", we expect to see a namespace name or namespace
|
|
// alias.
|
|
ResultBuilder Results(*this, CodeCompleter->getAllocator(),
|
|
CodeCompletionContext::CCC_Namespace,
|
|
&ResultBuilder::IsNamespaceOrAlias);
|
|
Results.EnterNewScope();
|
|
CodeCompletionDeclConsumer Consumer(Results, CurContext);
|
|
LookupVisibleDecls(S, LookupOrdinaryName, Consumer,
|
|
CodeCompleter->includeGlobals());
|
|
Results.ExitScope();
|
|
HandleCodeCompleteResults(this, CodeCompleter,
|
|
CodeCompletionContext::CCC_Namespace,
|
|
Results.data(),Results.size());
|
|
}
|
|
|
|
void Sema::CodeCompleteNamespaceDecl(Scope *S) {
|
|
if (!CodeCompleter)
|
|
return;
|
|
|
|
DeclContext *Ctx = (DeclContext *)S->getEntity();
|
|
if (!S->getParent())
|
|
Ctx = Context.getTranslationUnitDecl();
|
|
|
|
bool SuppressedGlobalResults
|
|
= Ctx && !CodeCompleter->includeGlobals() && isa<TranslationUnitDecl>(Ctx);
|
|
|
|
ResultBuilder Results(*this, CodeCompleter->getAllocator(),
|
|
SuppressedGlobalResults
|
|
? CodeCompletionContext::CCC_Namespace
|
|
: CodeCompletionContext::CCC_Other,
|
|
&ResultBuilder::IsNamespace);
|
|
|
|
if (Ctx && Ctx->isFileContext() && !SuppressedGlobalResults) {
|
|
// We only want to see those namespaces that have already been defined
|
|
// within this scope, because its likely that the user is creating an
|
|
// extended namespace declaration. Keep track of the most recent
|
|
// definition of each namespace.
|
|
std::map<NamespaceDecl *, NamespaceDecl *> OrigToLatest;
|
|
for (DeclContext::specific_decl_iterator<NamespaceDecl>
|
|
NS(Ctx->decls_begin()), NSEnd(Ctx->decls_end());
|
|
NS != NSEnd; ++NS)
|
|
OrigToLatest[NS->getOriginalNamespace()] = *NS;
|
|
|
|
// Add the most recent definition (or extended definition) of each
|
|
// namespace to the list of results.
|
|
Results.EnterNewScope();
|
|
for (std::map<NamespaceDecl *, NamespaceDecl *>::iterator
|
|
NS = OrigToLatest.begin(), NSEnd = OrigToLatest.end();
|
|
NS != NSEnd; ++NS)
|
|
Results.AddResult(CodeCompletionResult(NS->second, 0),
|
|
CurContext, 0, false);
|
|
Results.ExitScope();
|
|
}
|
|
|
|
HandleCodeCompleteResults(this, CodeCompleter,
|
|
Results.getCompletionContext(),
|
|
Results.data(),Results.size());
|
|
}
|
|
|
|
void Sema::CodeCompleteNamespaceAliasDecl(Scope *S) {
|
|
if (!CodeCompleter)
|
|
return;
|
|
|
|
// After "namespace", we expect to see a namespace or alias.
|
|
ResultBuilder Results(*this, CodeCompleter->getAllocator(),
|
|
CodeCompletionContext::CCC_Namespace,
|
|
&ResultBuilder::IsNamespaceOrAlias);
|
|
CodeCompletionDeclConsumer Consumer(Results, CurContext);
|
|
LookupVisibleDecls(S, LookupOrdinaryName, Consumer,
|
|
CodeCompleter->includeGlobals());
|
|
HandleCodeCompleteResults(this, CodeCompleter,
|
|
Results.getCompletionContext(),
|
|
Results.data(),Results.size());
|
|
}
|
|
|
|
void Sema::CodeCompleteOperatorName(Scope *S) {
|
|
if (!CodeCompleter)
|
|
return;
|
|
|
|
typedef CodeCompletionResult Result;
|
|
ResultBuilder Results(*this, CodeCompleter->getAllocator(),
|
|
CodeCompletionContext::CCC_Type,
|
|
&ResultBuilder::IsType);
|
|
Results.EnterNewScope();
|
|
|
|
// Add the names of overloadable operators.
|
|
#define OVERLOADED_OPERATOR(Name,Spelling,Token,Unary,Binary,MemberOnly) \
|
|
if (std::strcmp(Spelling, "?")) \
|
|
Results.AddResult(Result(Spelling));
|
|
#include "clang/Basic/OperatorKinds.def"
|
|
|
|
// Add any type names visible from the current scope
|
|
Results.allowNestedNameSpecifiers();
|
|
CodeCompletionDeclConsumer Consumer(Results, CurContext);
|
|
LookupVisibleDecls(S, LookupOrdinaryName, Consumer,
|
|
CodeCompleter->includeGlobals());
|
|
|
|
// Add any type specifiers
|
|
AddTypeSpecifierResults(getLangOptions(), Results);
|
|
Results.ExitScope();
|
|
|
|
HandleCodeCompleteResults(this, CodeCompleter,
|
|
CodeCompletionContext::CCC_Type,
|
|
Results.data(),Results.size());
|
|
}
|
|
|
|
void Sema::CodeCompleteConstructorInitializer(Decl *ConstructorD,
|
|
CXXCtorInitializer** Initializers,
|
|
unsigned NumInitializers) {
|
|
CXXConstructorDecl *Constructor
|
|
= static_cast<CXXConstructorDecl *>(ConstructorD);
|
|
if (!Constructor)
|
|
return;
|
|
|
|
ResultBuilder Results(*this, CodeCompleter->getAllocator(),
|
|
CodeCompletionContext::CCC_PotentiallyQualifiedName);
|
|
Results.EnterNewScope();
|
|
|
|
// Fill in any already-initialized fields or base classes.
|
|
llvm::SmallPtrSet<FieldDecl *, 4> InitializedFields;
|
|
llvm::SmallPtrSet<CanQualType, 4> InitializedBases;
|
|
for (unsigned I = 0; I != NumInitializers; ++I) {
|
|
if (Initializers[I]->isBaseInitializer())
|
|
InitializedBases.insert(
|
|
Context.getCanonicalType(QualType(Initializers[I]->getBaseClass(), 0)));
|
|
else
|
|
InitializedFields.insert(cast<FieldDecl>(
|
|
Initializers[I]->getAnyMember()));
|
|
}
|
|
|
|
// Add completions for base classes.
|
|
CodeCompletionBuilder Builder(Results.getAllocator());
|
|
bool SawLastInitializer = (NumInitializers == 0);
|
|
CXXRecordDecl *ClassDecl = Constructor->getParent();
|
|
for (CXXRecordDecl::base_class_iterator Base = ClassDecl->bases_begin(),
|
|
BaseEnd = ClassDecl->bases_end();
|
|
Base != BaseEnd; ++Base) {
|
|
if (!InitializedBases.insert(Context.getCanonicalType(Base->getType()))) {
|
|
SawLastInitializer
|
|
= NumInitializers > 0 &&
|
|
Initializers[NumInitializers - 1]->isBaseInitializer() &&
|
|
Context.hasSameUnqualifiedType(Base->getType(),
|
|
QualType(Initializers[NumInitializers - 1]->getBaseClass(), 0));
|
|
continue;
|
|
}
|
|
|
|
Builder.AddTypedTextChunk(
|
|
Results.getAllocator().CopyString(
|
|
Base->getType().getAsString(Context.PrintingPolicy)));
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddPlaceholderChunk("args");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
Results.AddResult(CodeCompletionResult(Builder.TakeString(),
|
|
SawLastInitializer? CCP_NextInitializer
|
|
: CCP_MemberDeclaration));
|
|
SawLastInitializer = false;
|
|
}
|
|
|
|
// Add completions for virtual base classes.
|
|
for (CXXRecordDecl::base_class_iterator Base = ClassDecl->vbases_begin(),
|
|
BaseEnd = ClassDecl->vbases_end();
|
|
Base != BaseEnd; ++Base) {
|
|
if (!InitializedBases.insert(Context.getCanonicalType(Base->getType()))) {
|
|
SawLastInitializer
|
|
= NumInitializers > 0 &&
|
|
Initializers[NumInitializers - 1]->isBaseInitializer() &&
|
|
Context.hasSameUnqualifiedType(Base->getType(),
|
|
QualType(Initializers[NumInitializers - 1]->getBaseClass(), 0));
|
|
continue;
|
|
}
|
|
|
|
Builder.AddTypedTextChunk(
|
|
Builder.getAllocator().CopyString(
|
|
Base->getType().getAsString(Context.PrintingPolicy)));
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddPlaceholderChunk("args");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
Results.AddResult(CodeCompletionResult(Builder.TakeString(),
|
|
SawLastInitializer? CCP_NextInitializer
|
|
: CCP_MemberDeclaration));
|
|
SawLastInitializer = false;
|
|
}
|
|
|
|
// Add completions for members.
|
|
for (CXXRecordDecl::field_iterator Field = ClassDecl->field_begin(),
|
|
FieldEnd = ClassDecl->field_end();
|
|
Field != FieldEnd; ++Field) {
|
|
if (!InitializedFields.insert(cast<FieldDecl>(Field->getCanonicalDecl()))) {
|
|
SawLastInitializer
|
|
= NumInitializers > 0 &&
|
|
Initializers[NumInitializers - 1]->isAnyMemberInitializer() &&
|
|
Initializers[NumInitializers - 1]->getAnyMember() == *Field;
|
|
continue;
|
|
}
|
|
|
|
if (!Field->getDeclName())
|
|
continue;
|
|
|
|
Builder.AddTypedTextChunk(Builder.getAllocator().CopyString(
|
|
Field->getIdentifier()->getName()));
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddPlaceholderChunk("args");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
Results.AddResult(CodeCompletionResult(Builder.TakeString(),
|
|
SawLastInitializer? CCP_NextInitializer
|
|
: CCP_MemberDeclaration,
|
|
CXCursor_MemberRef));
|
|
SawLastInitializer = false;
|
|
}
|
|
Results.ExitScope();
|
|
|
|
HandleCodeCompleteResults(this, CodeCompleter, Results.getCompletionContext(),
|
|
Results.data(), Results.size());
|
|
}
|
|
|
|
// Macro that expands to @Keyword or Keyword, depending on whether NeedAt is
|
|
// true or false.
|
|
#define OBJC_AT_KEYWORD_NAME(NeedAt,Keyword) NeedAt? "@" #Keyword : #Keyword
|
|
static void AddObjCImplementationResults(const LangOptions &LangOpts,
|
|
ResultBuilder &Results,
|
|
bool NeedAt) {
|
|
typedef CodeCompletionResult Result;
|
|
// Since we have an implementation, we can end it.
|
|
Results.AddResult(Result(OBJC_AT_KEYWORD_NAME(NeedAt,end)));
|
|
|
|
CodeCompletionBuilder Builder(Results.getAllocator());
|
|
if (LangOpts.ObjC2) {
|
|
// @dynamic
|
|
Builder.AddTypedTextChunk(OBJC_AT_KEYWORD_NAME(NeedAt,dynamic));
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddPlaceholderChunk("property");
|
|
Results.AddResult(Result(Builder.TakeString()));
|
|
|
|
// @synthesize
|
|
Builder.AddTypedTextChunk(OBJC_AT_KEYWORD_NAME(NeedAt,synthesize));
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddPlaceholderChunk("property");
|
|
Results.AddResult(Result(Builder.TakeString()));
|
|
}
|
|
}
|
|
|
|
static void AddObjCInterfaceResults(const LangOptions &LangOpts,
|
|
ResultBuilder &Results,
|
|
bool NeedAt) {
|
|
typedef CodeCompletionResult Result;
|
|
|
|
// Since we have an interface or protocol, we can end it.
|
|
Results.AddResult(Result(OBJC_AT_KEYWORD_NAME(NeedAt,end)));
|
|
|
|
if (LangOpts.ObjC2) {
|
|
// @property
|
|
Results.AddResult(Result(OBJC_AT_KEYWORD_NAME(NeedAt,property)));
|
|
|
|
// @required
|
|
Results.AddResult(Result(OBJC_AT_KEYWORD_NAME(NeedAt,required)));
|
|
|
|
// @optional
|
|
Results.AddResult(Result(OBJC_AT_KEYWORD_NAME(NeedAt,optional)));
|
|
}
|
|
}
|
|
|
|
static void AddObjCTopLevelResults(ResultBuilder &Results, bool NeedAt) {
|
|
typedef CodeCompletionResult Result;
|
|
CodeCompletionBuilder Builder(Results.getAllocator());
|
|
|
|
// @class name ;
|
|
Builder.AddTypedTextChunk(OBJC_AT_KEYWORD_NAME(NeedAt,class));
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddPlaceholderChunk("name");
|
|
Results.AddResult(Result(Builder.TakeString()));
|
|
|
|
if (Results.includeCodePatterns()) {
|
|
// @interface name
|
|
// FIXME: Could introduce the whole pattern, including superclasses and
|
|
// such.
|
|
Builder.AddTypedTextChunk(OBJC_AT_KEYWORD_NAME(NeedAt,interface));
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddPlaceholderChunk("class");
|
|
Results.AddResult(Result(Builder.TakeString()));
|
|
|
|
// @protocol name
|
|
Builder.AddTypedTextChunk(OBJC_AT_KEYWORD_NAME(NeedAt,protocol));
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddPlaceholderChunk("protocol");
|
|
Results.AddResult(Result(Builder.TakeString()));
|
|
|
|
// @implementation name
|
|
Builder.AddTypedTextChunk(OBJC_AT_KEYWORD_NAME(NeedAt,implementation));
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddPlaceholderChunk("class");
|
|
Results.AddResult(Result(Builder.TakeString()));
|
|
}
|
|
|
|
// @compatibility_alias name
|
|
Builder.AddTypedTextChunk(OBJC_AT_KEYWORD_NAME(NeedAt,compatibility_alias));
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddPlaceholderChunk("alias");
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddPlaceholderChunk("class");
|
|
Results.AddResult(Result(Builder.TakeString()));
|
|
}
|
|
|
|
void Sema::CodeCompleteObjCAtDirective(Scope *S, Decl *ObjCImpDecl,
|
|
bool InInterface) {
|
|
typedef CodeCompletionResult Result;
|
|
ResultBuilder Results(*this, CodeCompleter->getAllocator(),
|
|
CodeCompletionContext::CCC_Other);
|
|
Results.EnterNewScope();
|
|
if (ObjCImpDecl)
|
|
AddObjCImplementationResults(getLangOptions(), Results, false);
|
|
else if (InInterface)
|
|
AddObjCInterfaceResults(getLangOptions(), Results, false);
|
|
else
|
|
AddObjCTopLevelResults(Results, false);
|
|
Results.ExitScope();
|
|
HandleCodeCompleteResults(this, CodeCompleter,
|
|
CodeCompletionContext::CCC_Other,
|
|
Results.data(),Results.size());
|
|
}
|
|
|
|
static void AddObjCExpressionResults(ResultBuilder &Results, bool NeedAt) {
|
|
typedef CodeCompletionResult Result;
|
|
CodeCompletionBuilder Builder(Results.getAllocator());
|
|
|
|
// @encode ( type-name )
|
|
Builder.AddTypedTextChunk(OBJC_AT_KEYWORD_NAME(NeedAt,encode));
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddPlaceholderChunk("type-name");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
Results.AddResult(Result(Builder.TakeString()));
|
|
|
|
// @protocol ( protocol-name )
|
|
Builder.AddTypedTextChunk(OBJC_AT_KEYWORD_NAME(NeedAt,protocol));
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddPlaceholderChunk("protocol-name");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
Results.AddResult(Result(Builder.TakeString()));
|
|
|
|
// @selector ( selector )
|
|
Builder.AddTypedTextChunk(OBJC_AT_KEYWORD_NAME(NeedAt,selector));
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddPlaceholderChunk("selector");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
Results.AddResult(Result(Builder.TakeString()));
|
|
}
|
|
|
|
static void AddObjCStatementResults(ResultBuilder &Results, bool NeedAt) {
|
|
typedef CodeCompletionResult Result;
|
|
CodeCompletionBuilder Builder(Results.getAllocator());
|
|
|
|
if (Results.includeCodePatterns()) {
|
|
// @try { statements } @catch ( declaration ) { statements } @finally
|
|
// { statements }
|
|
Builder.AddTypedTextChunk(OBJC_AT_KEYWORD_NAME(NeedAt,try));
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftBrace);
|
|
Builder.AddPlaceholderChunk("statements");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightBrace);
|
|
Builder.AddTextChunk("@catch");
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddPlaceholderChunk("parameter");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftBrace);
|
|
Builder.AddPlaceholderChunk("statements");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightBrace);
|
|
Builder.AddTextChunk("@finally");
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftBrace);
|
|
Builder.AddPlaceholderChunk("statements");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightBrace);
|
|
Results.AddResult(Result(Builder.TakeString()));
|
|
}
|
|
|
|
// @throw
|
|
Builder.AddTypedTextChunk(OBJC_AT_KEYWORD_NAME(NeedAt,throw));
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddPlaceholderChunk("expression");
|
|
Results.AddResult(Result(Builder.TakeString()));
|
|
|
|
if (Results.includeCodePatterns()) {
|
|
// @synchronized ( expression ) { statements }
|
|
Builder.AddTypedTextChunk(OBJC_AT_KEYWORD_NAME(NeedAt,synchronized));
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddPlaceholderChunk("expression");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftBrace);
|
|
Builder.AddPlaceholderChunk("statements");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightBrace);
|
|
Results.AddResult(Result(Builder.TakeString()));
|
|
}
|
|
}
|
|
|
|
static void AddObjCVisibilityResults(const LangOptions &LangOpts,
|
|
ResultBuilder &Results,
|
|
bool NeedAt) {
|
|
typedef CodeCompletionResult Result;
|
|
Results.AddResult(Result(OBJC_AT_KEYWORD_NAME(NeedAt,private)));
|
|
Results.AddResult(Result(OBJC_AT_KEYWORD_NAME(NeedAt,protected)));
|
|
Results.AddResult(Result(OBJC_AT_KEYWORD_NAME(NeedAt,public)));
|
|
if (LangOpts.ObjC2)
|
|
Results.AddResult(Result(OBJC_AT_KEYWORD_NAME(NeedAt,package)));
|
|
}
|
|
|
|
void Sema::CodeCompleteObjCAtVisibility(Scope *S) {
|
|
ResultBuilder Results(*this, CodeCompleter->getAllocator(),
|
|
CodeCompletionContext::CCC_Other);
|
|
Results.EnterNewScope();
|
|
AddObjCVisibilityResults(getLangOptions(), Results, false);
|
|
Results.ExitScope();
|
|
HandleCodeCompleteResults(this, CodeCompleter,
|
|
CodeCompletionContext::CCC_Other,
|
|
Results.data(),Results.size());
|
|
}
|
|
|
|
void Sema::CodeCompleteObjCAtStatement(Scope *S) {
|
|
ResultBuilder Results(*this, CodeCompleter->getAllocator(),
|
|
CodeCompletionContext::CCC_Other);
|
|
Results.EnterNewScope();
|
|
AddObjCStatementResults(Results, false);
|
|
AddObjCExpressionResults(Results, false);
|
|
Results.ExitScope();
|
|
HandleCodeCompleteResults(this, CodeCompleter,
|
|
CodeCompletionContext::CCC_Other,
|
|
Results.data(),Results.size());
|
|
}
|
|
|
|
void Sema::CodeCompleteObjCAtExpression(Scope *S) {
|
|
ResultBuilder Results(*this, CodeCompleter->getAllocator(),
|
|
CodeCompletionContext::CCC_Other);
|
|
Results.EnterNewScope();
|
|
AddObjCExpressionResults(Results, false);
|
|
Results.ExitScope();
|
|
HandleCodeCompleteResults(this, CodeCompleter,
|
|
CodeCompletionContext::CCC_Other,
|
|
Results.data(),Results.size());
|
|
}
|
|
|
|
/// \brief Determine whether the addition of the given flag to an Objective-C
|
|
/// property's attributes will cause a conflict.
|
|
static bool ObjCPropertyFlagConflicts(unsigned Attributes, unsigned NewFlag) {
|
|
// Check if we've already added this flag.
|
|
if (Attributes & NewFlag)
|
|
return true;
|
|
|
|
Attributes |= NewFlag;
|
|
|
|
// Check for collisions with "readonly".
|
|
if ((Attributes & ObjCDeclSpec::DQ_PR_readonly) &&
|
|
(Attributes & (ObjCDeclSpec::DQ_PR_readwrite |
|
|
ObjCDeclSpec::DQ_PR_assign |
|
|
ObjCDeclSpec::DQ_PR_copy |
|
|
ObjCDeclSpec::DQ_PR_retain)))
|
|
return true;
|
|
|
|
// Check for more than one of { assign, copy, retain }.
|
|
unsigned AssignCopyRetMask = Attributes & (ObjCDeclSpec::DQ_PR_assign |
|
|
ObjCDeclSpec::DQ_PR_copy |
|
|
ObjCDeclSpec::DQ_PR_retain);
|
|
if (AssignCopyRetMask &&
|
|
AssignCopyRetMask != ObjCDeclSpec::DQ_PR_assign &&
|
|
AssignCopyRetMask != ObjCDeclSpec::DQ_PR_copy &&
|
|
AssignCopyRetMask != ObjCDeclSpec::DQ_PR_retain)
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
void Sema::CodeCompleteObjCPropertyFlags(Scope *S, ObjCDeclSpec &ODS) {
|
|
if (!CodeCompleter)
|
|
return;
|
|
|
|
unsigned Attributes = ODS.getPropertyAttributes();
|
|
|
|
typedef CodeCompletionResult Result;
|
|
ResultBuilder Results(*this, CodeCompleter->getAllocator(),
|
|
CodeCompletionContext::CCC_Other);
|
|
Results.EnterNewScope();
|
|
if (!ObjCPropertyFlagConflicts(Attributes, ObjCDeclSpec::DQ_PR_readonly))
|
|
Results.AddResult(CodeCompletionResult("readonly"));
|
|
if (!ObjCPropertyFlagConflicts(Attributes, ObjCDeclSpec::DQ_PR_assign))
|
|
Results.AddResult(CodeCompletionResult("assign"));
|
|
if (!ObjCPropertyFlagConflicts(Attributes, ObjCDeclSpec::DQ_PR_readwrite))
|
|
Results.AddResult(CodeCompletionResult("readwrite"));
|
|
if (!ObjCPropertyFlagConflicts(Attributes, ObjCDeclSpec::DQ_PR_retain))
|
|
Results.AddResult(CodeCompletionResult("retain"));
|
|
if (!ObjCPropertyFlagConflicts(Attributes, ObjCDeclSpec::DQ_PR_copy))
|
|
Results.AddResult(CodeCompletionResult("copy"));
|
|
if (!ObjCPropertyFlagConflicts(Attributes, ObjCDeclSpec::DQ_PR_nonatomic))
|
|
Results.AddResult(CodeCompletionResult("nonatomic"));
|
|
if (!ObjCPropertyFlagConflicts(Attributes, ObjCDeclSpec::DQ_PR_setter)) {
|
|
CodeCompletionBuilder Setter(Results.getAllocator());
|
|
Setter.AddTypedTextChunk("setter");
|
|
Setter.AddTextChunk(" = ");
|
|
Setter.AddPlaceholderChunk("method");
|
|
Results.AddResult(CodeCompletionResult(Setter.TakeString()));
|
|
}
|
|
if (!ObjCPropertyFlagConflicts(Attributes, ObjCDeclSpec::DQ_PR_getter)) {
|
|
CodeCompletionBuilder Getter(Results.getAllocator());
|
|
Getter.AddTypedTextChunk("getter");
|
|
Getter.AddTextChunk(" = ");
|
|
Getter.AddPlaceholderChunk("method");
|
|
Results.AddResult(CodeCompletionResult(Getter.TakeString()));
|
|
}
|
|
Results.ExitScope();
|
|
HandleCodeCompleteResults(this, CodeCompleter,
|
|
CodeCompletionContext::CCC_Other,
|
|
Results.data(),Results.size());
|
|
}
|
|
|
|
/// \brief Descripts the kind of Objective-C method that we want to find
|
|
/// via code completion.
|
|
enum ObjCMethodKind {
|
|
MK_Any, //< Any kind of method, provided it means other specified criteria.
|
|
MK_ZeroArgSelector, //< Zero-argument (unary) selector.
|
|
MK_OneArgSelector //< One-argument selector.
|
|
};
|
|
|
|
static bool isAcceptableObjCSelector(Selector Sel,
|
|
ObjCMethodKind WantKind,
|
|
IdentifierInfo **SelIdents,
|
|
unsigned NumSelIdents,
|
|
bool AllowSameLength = true) {
|
|
if (NumSelIdents > Sel.getNumArgs())
|
|
return false;
|
|
|
|
switch (WantKind) {
|
|
case MK_Any: break;
|
|
case MK_ZeroArgSelector: return Sel.isUnarySelector();
|
|
case MK_OneArgSelector: return Sel.getNumArgs() == 1;
|
|
}
|
|
|
|
if (!AllowSameLength && NumSelIdents && NumSelIdents == Sel.getNumArgs())
|
|
return false;
|
|
|
|
for (unsigned I = 0; I != NumSelIdents; ++I)
|
|
if (SelIdents[I] != Sel.getIdentifierInfoForSlot(I))
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
static bool isAcceptableObjCMethod(ObjCMethodDecl *Method,
|
|
ObjCMethodKind WantKind,
|
|
IdentifierInfo **SelIdents,
|
|
unsigned NumSelIdents,
|
|
bool AllowSameLength = true) {
|
|
return isAcceptableObjCSelector(Method->getSelector(), WantKind, SelIdents,
|
|
NumSelIdents, AllowSameLength);
|
|
}
|
|
|
|
namespace {
|
|
/// \brief A set of selectors, which is used to avoid introducing multiple
|
|
/// completions with the same selector into the result set.
|
|
typedef llvm::SmallPtrSet<Selector, 16> VisitedSelectorSet;
|
|
}
|
|
|
|
/// \brief Add all of the Objective-C methods in the given Objective-C
|
|
/// container to the set of results.
|
|
///
|
|
/// The container will be a class, protocol, category, or implementation of
|
|
/// any of the above. This mether will recurse to include methods from
|
|
/// the superclasses of classes along with their categories, protocols, and
|
|
/// implementations.
|
|
///
|
|
/// \param Container the container in which we'll look to find methods.
|
|
///
|
|
/// \param WantInstance whether to add instance methods (only); if false, this
|
|
/// routine will add factory methods (only).
|
|
///
|
|
/// \param CurContext the context in which we're performing the lookup that
|
|
/// finds methods.
|
|
///
|
|
/// \param AllowSameLength Whether we allow a method to be added to the list
|
|
/// when it has the same number of parameters as we have selector identifiers.
|
|
///
|
|
/// \param Results the structure into which we'll add results.
|
|
static void AddObjCMethods(ObjCContainerDecl *Container,
|
|
bool WantInstanceMethods,
|
|
ObjCMethodKind WantKind,
|
|
IdentifierInfo **SelIdents,
|
|
unsigned NumSelIdents,
|
|
DeclContext *CurContext,
|
|
VisitedSelectorSet &Selectors,
|
|
bool AllowSameLength,
|
|
ResultBuilder &Results,
|
|
bool InOriginalClass = true) {
|
|
typedef CodeCompletionResult Result;
|
|
for (ObjCContainerDecl::method_iterator M = Container->meth_begin(),
|
|
MEnd = Container->meth_end();
|
|
M != MEnd; ++M) {
|
|
if ((*M)->isInstanceMethod() == WantInstanceMethods) {
|
|
// Check whether the selector identifiers we've been given are a
|
|
// subset of the identifiers for this particular method.
|
|
if (!isAcceptableObjCMethod(*M, WantKind, SelIdents, NumSelIdents,
|
|
AllowSameLength))
|
|
continue;
|
|
|
|
if (!Selectors.insert((*M)->getSelector()))
|
|
continue;
|
|
|
|
Result R = Result(*M, 0);
|
|
R.StartParameter = NumSelIdents;
|
|
R.AllParametersAreInformative = (WantKind != MK_Any);
|
|
if (!InOriginalClass)
|
|
R.Priority += CCD_InBaseClass;
|
|
Results.MaybeAddResult(R, CurContext);
|
|
}
|
|
}
|
|
|
|
// Visit the protocols of protocols.
|
|
if (ObjCProtocolDecl *Protocol = dyn_cast<ObjCProtocolDecl>(Container)) {
|
|
const ObjCList<ObjCProtocolDecl> &Protocols
|
|
= Protocol->getReferencedProtocols();
|
|
for (ObjCList<ObjCProtocolDecl>::iterator I = Protocols.begin(),
|
|
E = Protocols.end();
|
|
I != E; ++I)
|
|
AddObjCMethods(*I, WantInstanceMethods, WantKind, SelIdents, NumSelIdents,
|
|
CurContext, Selectors, AllowSameLength, Results, false);
|
|
}
|
|
|
|
ObjCInterfaceDecl *IFace = dyn_cast<ObjCInterfaceDecl>(Container);
|
|
if (!IFace)
|
|
return;
|
|
|
|
// Add methods in protocols.
|
|
const ObjCList<ObjCProtocolDecl> &Protocols= IFace->getReferencedProtocols();
|
|
for (ObjCList<ObjCProtocolDecl>::iterator I = Protocols.begin(),
|
|
E = Protocols.end();
|
|
I != E; ++I)
|
|
AddObjCMethods(*I, WantInstanceMethods, WantKind, SelIdents, NumSelIdents,
|
|
CurContext, Selectors, AllowSameLength, Results, false);
|
|
|
|
// Add methods in categories.
|
|
for (ObjCCategoryDecl *CatDecl = IFace->getCategoryList(); CatDecl;
|
|
CatDecl = CatDecl->getNextClassCategory()) {
|
|
AddObjCMethods(CatDecl, WantInstanceMethods, WantKind, SelIdents,
|
|
NumSelIdents, CurContext, Selectors, AllowSameLength,
|
|
Results, InOriginalClass);
|
|
|
|
// Add a categories protocol methods.
|
|
const ObjCList<ObjCProtocolDecl> &Protocols
|
|
= CatDecl->getReferencedProtocols();
|
|
for (ObjCList<ObjCProtocolDecl>::iterator I = Protocols.begin(),
|
|
E = Protocols.end();
|
|
I != E; ++I)
|
|
AddObjCMethods(*I, WantInstanceMethods, WantKind, SelIdents,
|
|
NumSelIdents, CurContext, Selectors, AllowSameLength,
|
|
Results, false);
|
|
|
|
// Add methods in category implementations.
|
|
if (ObjCCategoryImplDecl *Impl = CatDecl->getImplementation())
|
|
AddObjCMethods(Impl, WantInstanceMethods, WantKind, SelIdents,
|
|
NumSelIdents, CurContext, Selectors, AllowSameLength,
|
|
Results, InOriginalClass);
|
|
}
|
|
|
|
// Add methods in superclass.
|
|
if (IFace->getSuperClass())
|
|
AddObjCMethods(IFace->getSuperClass(), WantInstanceMethods, WantKind,
|
|
SelIdents, NumSelIdents, CurContext, Selectors,
|
|
AllowSameLength, Results, false);
|
|
|
|
// Add methods in our implementation, if any.
|
|
if (ObjCImplementationDecl *Impl = IFace->getImplementation())
|
|
AddObjCMethods(Impl, WantInstanceMethods, WantKind, SelIdents,
|
|
NumSelIdents, CurContext, Selectors, AllowSameLength,
|
|
Results, InOriginalClass);
|
|
}
|
|
|
|
|
|
void Sema::CodeCompleteObjCPropertyGetter(Scope *S, Decl *ClassDecl) {
|
|
typedef CodeCompletionResult Result;
|
|
|
|
// Try to find the interface where getters might live.
|
|
ObjCInterfaceDecl *Class = dyn_cast_or_null<ObjCInterfaceDecl>(ClassDecl);
|
|
if (!Class) {
|
|
if (ObjCCategoryDecl *Category
|
|
= dyn_cast_or_null<ObjCCategoryDecl>(ClassDecl))
|
|
Class = Category->getClassInterface();
|
|
|
|
if (!Class)
|
|
return;
|
|
}
|
|
|
|
// Find all of the potential getters.
|
|
ResultBuilder Results(*this, CodeCompleter->getAllocator(),
|
|
CodeCompletionContext::CCC_Other);
|
|
Results.EnterNewScope();
|
|
|
|
VisitedSelectorSet Selectors;
|
|
AddObjCMethods(Class, true, MK_ZeroArgSelector, 0, 0, CurContext, Selectors,
|
|
/*AllowSameLength=*/true, Results);
|
|
Results.ExitScope();
|
|
HandleCodeCompleteResults(this, CodeCompleter,
|
|
CodeCompletionContext::CCC_Other,
|
|
Results.data(),Results.size());
|
|
}
|
|
|
|
void Sema::CodeCompleteObjCPropertySetter(Scope *S, Decl *ObjCImplDecl) {
|
|
typedef CodeCompletionResult Result;
|
|
|
|
// Try to find the interface where setters might live.
|
|
ObjCInterfaceDecl *Class
|
|
= dyn_cast_or_null<ObjCInterfaceDecl>(ObjCImplDecl);
|
|
if (!Class) {
|
|
if (ObjCCategoryDecl *Category
|
|
= dyn_cast_or_null<ObjCCategoryDecl>(ObjCImplDecl))
|
|
Class = Category->getClassInterface();
|
|
|
|
if (!Class)
|
|
return;
|
|
}
|
|
|
|
// Find all of the potential getters.
|
|
ResultBuilder Results(*this, CodeCompleter->getAllocator(),
|
|
CodeCompletionContext::CCC_Other);
|
|
Results.EnterNewScope();
|
|
|
|
VisitedSelectorSet Selectors;
|
|
AddObjCMethods(Class, true, MK_OneArgSelector, 0, 0, CurContext,
|
|
Selectors, /*AllowSameLength=*/true, Results);
|
|
|
|
Results.ExitScope();
|
|
HandleCodeCompleteResults(this, CodeCompleter,
|
|
CodeCompletionContext::CCC_Other,
|
|
Results.data(),Results.size());
|
|
}
|
|
|
|
void Sema::CodeCompleteObjCPassingType(Scope *S, ObjCDeclSpec &DS,
|
|
bool IsParameter) {
|
|
typedef CodeCompletionResult Result;
|
|
ResultBuilder Results(*this, CodeCompleter->getAllocator(),
|
|
CodeCompletionContext::CCC_Type);
|
|
Results.EnterNewScope();
|
|
|
|
// Add context-sensitive, Objective-C parameter-passing keywords.
|
|
bool AddedInOut = false;
|
|
if ((DS.getObjCDeclQualifier() &
|
|
(ObjCDeclSpec::DQ_In | ObjCDeclSpec::DQ_Inout)) == 0) {
|
|
Results.AddResult("in");
|
|
Results.AddResult("inout");
|
|
AddedInOut = true;
|
|
}
|
|
if ((DS.getObjCDeclQualifier() &
|
|
(ObjCDeclSpec::DQ_Out | ObjCDeclSpec::DQ_Inout)) == 0) {
|
|
Results.AddResult("out");
|
|
if (!AddedInOut)
|
|
Results.AddResult("inout");
|
|
}
|
|
if ((DS.getObjCDeclQualifier() &
|
|
(ObjCDeclSpec::DQ_Bycopy | ObjCDeclSpec::DQ_Byref |
|
|
ObjCDeclSpec::DQ_Oneway)) == 0) {
|
|
Results.AddResult("bycopy");
|
|
Results.AddResult("byref");
|
|
Results.AddResult("oneway");
|
|
}
|
|
|
|
// If we're completing the return type of an Objective-C method and the
|
|
// identifier IBAction refers to a macro, provide a completion item for
|
|
// an action, e.g.,
|
|
// IBAction)<#selector#>:(id)sender
|
|
if (DS.getObjCDeclQualifier() == 0 && !IsParameter &&
|
|
Context.Idents.get("IBAction").hasMacroDefinition()) {
|
|
typedef CodeCompletionString::Chunk Chunk;
|
|
CodeCompletionBuilder Builder(Results.getAllocator(), CCP_CodePattern,
|
|
CXAvailability_Available);
|
|
Builder.AddTypedTextChunk("IBAction");
|
|
Builder.AddChunk(Chunk(CodeCompletionString::CK_RightParen));
|
|
Builder.AddPlaceholderChunk("selector");
|
|
Builder.AddChunk(Chunk(CodeCompletionString::CK_Colon));
|
|
Builder.AddChunk(Chunk(CodeCompletionString::CK_LeftParen));
|
|
Builder.AddTextChunk("id");
|
|
Builder.AddChunk(Chunk(CodeCompletionString::CK_RightParen));
|
|
Builder.AddTextChunk("sender");
|
|
Results.AddResult(CodeCompletionResult(Builder.TakeString()));
|
|
}
|
|
|
|
// Add various builtin type names and specifiers.
|
|
AddOrdinaryNameResults(PCC_Type, S, *this, Results);
|
|
Results.ExitScope();
|
|
|
|
// Add the various type names
|
|
Results.setFilter(&ResultBuilder::IsOrdinaryNonValueName);
|
|
CodeCompletionDeclConsumer Consumer(Results, CurContext);
|
|
LookupVisibleDecls(S, LookupOrdinaryName, Consumer,
|
|
CodeCompleter->includeGlobals());
|
|
|
|
if (CodeCompleter->includeMacros())
|
|
AddMacroResults(PP, Results);
|
|
|
|
HandleCodeCompleteResults(this, CodeCompleter,
|
|
CodeCompletionContext::CCC_Type,
|
|
Results.data(), Results.size());
|
|
}
|
|
|
|
/// \brief When we have an expression with type "id", we may assume
|
|
/// that it has some more-specific class type based on knowledge of
|
|
/// common uses of Objective-C. This routine returns that class type,
|
|
/// or NULL if no better result could be determined.
|
|
static ObjCInterfaceDecl *GetAssumedMessageSendExprType(Expr *E) {
|
|
ObjCMessageExpr *Msg = dyn_cast_or_null<ObjCMessageExpr>(E);
|
|
if (!Msg)
|
|
return 0;
|
|
|
|
Selector Sel = Msg->getSelector();
|
|
if (Sel.isNull())
|
|
return 0;
|
|
|
|
IdentifierInfo *Id = Sel.getIdentifierInfoForSlot(0);
|
|
if (!Id)
|
|
return 0;
|
|
|
|
ObjCMethodDecl *Method = Msg->getMethodDecl();
|
|
if (!Method)
|
|
return 0;
|
|
|
|
// Determine the class that we're sending the message to.
|
|
ObjCInterfaceDecl *IFace = 0;
|
|
switch (Msg->getReceiverKind()) {
|
|
case ObjCMessageExpr::Class:
|
|
if (const ObjCObjectType *ObjType
|
|
= Msg->getClassReceiver()->getAs<ObjCObjectType>())
|
|
IFace = ObjType->getInterface();
|
|
break;
|
|
|
|
case ObjCMessageExpr::Instance: {
|
|
QualType T = Msg->getInstanceReceiver()->getType();
|
|
if (const ObjCObjectPointerType *Ptr = T->getAs<ObjCObjectPointerType>())
|
|
IFace = Ptr->getInterfaceDecl();
|
|
break;
|
|
}
|
|
|
|
case ObjCMessageExpr::SuperInstance:
|
|
case ObjCMessageExpr::SuperClass:
|
|
break;
|
|
}
|
|
|
|
if (!IFace)
|
|
return 0;
|
|
|
|
ObjCInterfaceDecl *Super = IFace->getSuperClass();
|
|
if (Method->isInstanceMethod())
|
|
return llvm::StringSwitch<ObjCInterfaceDecl *>(Id->getName())
|
|
.Case("retain", IFace)
|
|
.Case("autorelease", IFace)
|
|
.Case("copy", IFace)
|
|
.Case("copyWithZone", IFace)
|
|
.Case("mutableCopy", IFace)
|
|
.Case("mutableCopyWithZone", IFace)
|
|
.Case("awakeFromCoder", IFace)
|
|
.Case("replacementObjectFromCoder", IFace)
|
|
.Case("class", IFace)
|
|
.Case("classForCoder", IFace)
|
|
.Case("superclass", Super)
|
|
.Default(0);
|
|
|
|
return llvm::StringSwitch<ObjCInterfaceDecl *>(Id->getName())
|
|
.Case("new", IFace)
|
|
.Case("alloc", IFace)
|
|
.Case("allocWithZone", IFace)
|
|
.Case("class", IFace)
|
|
.Case("superclass", Super)
|
|
.Default(0);
|
|
}
|
|
|
|
// Add a special completion for a message send to "super", which fills in the
|
|
// most likely case of forwarding all of our arguments to the superclass
|
|
// function.
|
|
///
|
|
/// \param S The semantic analysis object.
|
|
///
|
|
/// \param S NeedSuperKeyword Whether we need to prefix this completion with
|
|
/// the "super" keyword. Otherwise, we just need to provide the arguments.
|
|
///
|
|
/// \param SelIdents The identifiers in the selector that have already been
|
|
/// provided as arguments for a send to "super".
|
|
///
|
|
/// \param NumSelIdents The number of identifiers in \p SelIdents.
|
|
///
|
|
/// \param Results The set of results to augment.
|
|
///
|
|
/// \returns the Objective-C method declaration that would be invoked by
|
|
/// this "super" completion. If NULL, no completion was added.
|
|
static ObjCMethodDecl *AddSuperSendCompletion(Sema &S, bool NeedSuperKeyword,
|
|
IdentifierInfo **SelIdents,
|
|
unsigned NumSelIdents,
|
|
ResultBuilder &Results) {
|
|
ObjCMethodDecl *CurMethod = S.getCurMethodDecl();
|
|
if (!CurMethod)
|
|
return 0;
|
|
|
|
ObjCInterfaceDecl *Class = CurMethod->getClassInterface();
|
|
if (!Class)
|
|
return 0;
|
|
|
|
// Try to find a superclass method with the same selector.
|
|
ObjCMethodDecl *SuperMethod = 0;
|
|
while ((Class = Class->getSuperClass()) && !SuperMethod) {
|
|
// Check in the class
|
|
SuperMethod = Class->getMethod(CurMethod->getSelector(),
|
|
CurMethod->isInstanceMethod());
|
|
|
|
// Check in categories or class extensions.
|
|
if (!SuperMethod) {
|
|
for (ObjCCategoryDecl *Category = Class->getCategoryList(); Category;
|
|
Category = Category->getNextClassCategory())
|
|
if ((SuperMethod = Category->getMethod(CurMethod->getSelector(),
|
|
CurMethod->isInstanceMethod())))
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!SuperMethod)
|
|
return 0;
|
|
|
|
// Check whether the superclass method has the same signature.
|
|
if (CurMethod->param_size() != SuperMethod->param_size() ||
|
|
CurMethod->isVariadic() != SuperMethod->isVariadic())
|
|
return 0;
|
|
|
|
for (ObjCMethodDecl::param_iterator CurP = CurMethod->param_begin(),
|
|
CurPEnd = CurMethod->param_end(),
|
|
SuperP = SuperMethod->param_begin();
|
|
CurP != CurPEnd; ++CurP, ++SuperP) {
|
|
// Make sure the parameter types are compatible.
|
|
if (!S.Context.hasSameUnqualifiedType((*CurP)->getType(),
|
|
(*SuperP)->getType()))
|
|
return 0;
|
|
|
|
// Make sure we have a parameter name to forward!
|
|
if (!(*CurP)->getIdentifier())
|
|
return 0;
|
|
}
|
|
|
|
// We have a superclass method. Now, form the send-to-super completion.
|
|
CodeCompletionBuilder Builder(Results.getAllocator());
|
|
|
|
// Give this completion a return type.
|
|
AddResultTypeChunk(S.Context, SuperMethod, Builder);
|
|
|
|
// If we need the "super" keyword, add it (plus some spacing).
|
|
if (NeedSuperKeyword) {
|
|
Builder.AddTypedTextChunk("super");
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
}
|
|
|
|
Selector Sel = CurMethod->getSelector();
|
|
if (Sel.isUnarySelector()) {
|
|
if (NeedSuperKeyword)
|
|
Builder.AddTextChunk(Builder.getAllocator().CopyString(
|
|
Sel.getNameForSlot(0)));
|
|
else
|
|
Builder.AddTypedTextChunk(Builder.getAllocator().CopyString(
|
|
Sel.getNameForSlot(0)));
|
|
} else {
|
|
ObjCMethodDecl::param_iterator CurP = CurMethod->param_begin();
|
|
for (unsigned I = 0, N = Sel.getNumArgs(); I != N; ++I, ++CurP) {
|
|
if (I > NumSelIdents)
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
|
|
if (I < NumSelIdents)
|
|
Builder.AddInformativeChunk(
|
|
Builder.getAllocator().CopyString(
|
|
Sel.getNameForSlot(I) + ":"));
|
|
else if (NeedSuperKeyword || I > NumSelIdents) {
|
|
Builder.AddTextChunk(
|
|
Builder.getAllocator().CopyString(
|
|
Sel.getNameForSlot(I) + ":"));
|
|
Builder.AddPlaceholderChunk(Builder.getAllocator().CopyString(
|
|
(*CurP)->getIdentifier()->getName()));
|
|
} else {
|
|
Builder.AddTypedTextChunk(
|
|
Builder.getAllocator().CopyString(
|
|
Sel.getNameForSlot(I) + ":"));
|
|
Builder.AddPlaceholderChunk(Builder.getAllocator().CopyString(
|
|
(*CurP)->getIdentifier()->getName()));
|
|
}
|
|
}
|
|
}
|
|
|
|
Results.AddResult(CodeCompletionResult(Builder.TakeString(), CCP_SuperCompletion,
|
|
SuperMethod->isInstanceMethod()
|
|
? CXCursor_ObjCInstanceMethodDecl
|
|
: CXCursor_ObjCClassMethodDecl));
|
|
return SuperMethod;
|
|
}
|
|
|
|
void Sema::CodeCompleteObjCMessageReceiver(Scope *S) {
|
|
typedef CodeCompletionResult Result;
|
|
ResultBuilder Results(*this, CodeCompleter->getAllocator(),
|
|
CodeCompletionContext::CCC_ObjCMessageReceiver,
|
|
&ResultBuilder::IsObjCMessageReceiver);
|
|
|
|
CodeCompletionDeclConsumer Consumer(Results, CurContext);
|
|
Results.EnterNewScope();
|
|
LookupVisibleDecls(S, LookupOrdinaryName, Consumer,
|
|
CodeCompleter->includeGlobals());
|
|
|
|
// If we are in an Objective-C method inside a class that has a superclass,
|
|
// add "super" as an option.
|
|
if (ObjCMethodDecl *Method = getCurMethodDecl())
|
|
if (ObjCInterfaceDecl *Iface = Method->getClassInterface())
|
|
if (Iface->getSuperClass()) {
|
|
Results.AddResult(Result("super"));
|
|
|
|
AddSuperSendCompletion(*this, /*NeedSuperKeyword=*/true, 0, 0, Results);
|
|
}
|
|
|
|
Results.ExitScope();
|
|
|
|
if (CodeCompleter->includeMacros())
|
|
AddMacroResults(PP, Results);
|
|
HandleCodeCompleteResults(this, CodeCompleter, Results.getCompletionContext(),
|
|
Results.data(), Results.size());
|
|
|
|
}
|
|
|
|
void Sema::CodeCompleteObjCSuperMessage(Scope *S, SourceLocation SuperLoc,
|
|
IdentifierInfo **SelIdents,
|
|
unsigned NumSelIdents,
|
|
bool AtArgumentExpression) {
|
|
ObjCInterfaceDecl *CDecl = 0;
|
|
if (ObjCMethodDecl *CurMethod = getCurMethodDecl()) {
|
|
// Figure out which interface we're in.
|
|
CDecl = CurMethod->getClassInterface();
|
|
if (!CDecl)
|
|
return;
|
|
|
|
// Find the superclass of this class.
|
|
CDecl = CDecl->getSuperClass();
|
|
if (!CDecl)
|
|
return;
|
|
|
|
if (CurMethod->isInstanceMethod()) {
|
|
// We are inside an instance method, which means that the message
|
|
// send [super ...] is actually calling an instance method on the
|
|
// current object.
|
|
return CodeCompleteObjCInstanceMessage(S, 0,
|
|
SelIdents, NumSelIdents,
|
|
AtArgumentExpression,
|
|
CDecl);
|
|
}
|
|
|
|
// Fall through to send to the superclass in CDecl.
|
|
} else {
|
|
// "super" may be the name of a type or variable. Figure out which
|
|
// it is.
|
|
IdentifierInfo *Super = &Context.Idents.get("super");
|
|
NamedDecl *ND = LookupSingleName(S, Super, SuperLoc,
|
|
LookupOrdinaryName);
|
|
if ((CDecl = dyn_cast_or_null<ObjCInterfaceDecl>(ND))) {
|
|
// "super" names an interface. Use it.
|
|
} else if (TypeDecl *TD = dyn_cast_or_null<TypeDecl>(ND)) {
|
|
if (const ObjCObjectType *Iface
|
|
= Context.getTypeDeclType(TD)->getAs<ObjCObjectType>())
|
|
CDecl = Iface->getInterface();
|
|
} else if (ND && isa<UnresolvedUsingTypenameDecl>(ND)) {
|
|
// "super" names an unresolved type; we can't be more specific.
|
|
} else {
|
|
// Assume that "super" names some kind of value and parse that way.
|
|
CXXScopeSpec SS;
|
|
UnqualifiedId id;
|
|
id.setIdentifier(Super, SuperLoc);
|
|
ExprResult SuperExpr = ActOnIdExpression(S, SS, id, false, false);
|
|
return CodeCompleteObjCInstanceMessage(S, (Expr *)SuperExpr.get(),
|
|
SelIdents, NumSelIdents,
|
|
AtArgumentExpression);
|
|
}
|
|
|
|
// Fall through
|
|
}
|
|
|
|
ParsedType Receiver;
|
|
if (CDecl)
|
|
Receiver = ParsedType::make(Context.getObjCInterfaceType(CDecl));
|
|
return CodeCompleteObjCClassMessage(S, Receiver, SelIdents,
|
|
NumSelIdents, AtArgumentExpression,
|
|
/*IsSuper=*/true);
|
|
}
|
|
|
|
/// \brief Given a set of code-completion results for the argument of a message
|
|
/// send, determine the preferred type (if any) for that argument expression.
|
|
static QualType getPreferredArgumentTypeForMessageSend(ResultBuilder &Results,
|
|
unsigned NumSelIdents) {
|
|
typedef CodeCompletionResult Result;
|
|
ASTContext &Context = Results.getSema().Context;
|
|
|
|
QualType PreferredType;
|
|
unsigned BestPriority = CCP_Unlikely * 2;
|
|
Result *ResultsData = Results.data();
|
|
for (unsigned I = 0, N = Results.size(); I != N; ++I) {
|
|
Result &R = ResultsData[I];
|
|
if (R.Kind == Result::RK_Declaration &&
|
|
isa<ObjCMethodDecl>(R.Declaration)) {
|
|
if (R.Priority <= BestPriority) {
|
|
ObjCMethodDecl *Method = cast<ObjCMethodDecl>(R.Declaration);
|
|
if (NumSelIdents <= Method->param_size()) {
|
|
QualType MyPreferredType = Method->param_begin()[NumSelIdents - 1]
|
|
->getType();
|
|
if (R.Priority < BestPriority || PreferredType.isNull()) {
|
|
BestPriority = R.Priority;
|
|
PreferredType = MyPreferredType;
|
|
} else if (!Context.hasSameUnqualifiedType(PreferredType,
|
|
MyPreferredType)) {
|
|
PreferredType = QualType();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return PreferredType;
|
|
}
|
|
|
|
static void AddClassMessageCompletions(Sema &SemaRef, Scope *S,
|
|
ParsedType Receiver,
|
|
IdentifierInfo **SelIdents,
|
|
unsigned NumSelIdents,
|
|
bool AtArgumentExpression,
|
|
bool IsSuper,
|
|
ResultBuilder &Results) {
|
|
typedef CodeCompletionResult Result;
|
|
ObjCInterfaceDecl *CDecl = 0;
|
|
|
|
// If the given name refers to an interface type, retrieve the
|
|
// corresponding declaration.
|
|
if (Receiver) {
|
|
QualType T = SemaRef.GetTypeFromParser(Receiver, 0);
|
|
if (!T.isNull())
|
|
if (const ObjCObjectType *Interface = T->getAs<ObjCObjectType>())
|
|
CDecl = Interface->getInterface();
|
|
}
|
|
|
|
// Add all of the factory methods in this Objective-C class, its protocols,
|
|
// superclasses, categories, implementation, etc.
|
|
Results.EnterNewScope();
|
|
|
|
// If this is a send-to-super, try to add the special "super" send
|
|
// completion.
|
|
if (IsSuper) {
|
|
if (ObjCMethodDecl *SuperMethod
|
|
= AddSuperSendCompletion(SemaRef, false, SelIdents, NumSelIdents,
|
|
Results))
|
|
Results.Ignore(SuperMethod);
|
|
}
|
|
|
|
// If we're inside an Objective-C method definition, prefer its selector to
|
|
// others.
|
|
if (ObjCMethodDecl *CurMethod = SemaRef.getCurMethodDecl())
|
|
Results.setPreferredSelector(CurMethod->getSelector());
|
|
|
|
VisitedSelectorSet Selectors;
|
|
if (CDecl)
|
|
AddObjCMethods(CDecl, false, MK_Any, SelIdents, NumSelIdents,
|
|
SemaRef.CurContext, Selectors, AtArgumentExpression,
|
|
Results);
|
|
else {
|
|
// We're messaging "id" as a type; provide all class/factory methods.
|
|
|
|
// If we have an external source, load the entire class method
|
|
// pool from the AST file.
|
|
if (SemaRef.ExternalSource) {
|
|
for (uint32_t I = 0,
|
|
N = SemaRef.ExternalSource->GetNumExternalSelectors();
|
|
I != N; ++I) {
|
|
Selector Sel = SemaRef.ExternalSource->GetExternalSelector(I);
|
|
if (Sel.isNull() || SemaRef.MethodPool.count(Sel))
|
|
continue;
|
|
|
|
SemaRef.ReadMethodPool(Sel);
|
|
}
|
|
}
|
|
|
|
for (Sema::GlobalMethodPool::iterator M = SemaRef.MethodPool.begin(),
|
|
MEnd = SemaRef.MethodPool.end();
|
|
M != MEnd; ++M) {
|
|
for (ObjCMethodList *MethList = &M->second.second;
|
|
MethList && MethList->Method;
|
|
MethList = MethList->Next) {
|
|
if (!isAcceptableObjCMethod(MethList->Method, MK_Any, SelIdents,
|
|
NumSelIdents))
|
|
continue;
|
|
|
|
Result R(MethList->Method, 0);
|
|
R.StartParameter = NumSelIdents;
|
|
R.AllParametersAreInformative = false;
|
|
Results.MaybeAddResult(R, SemaRef.CurContext);
|
|
}
|
|
}
|
|
}
|
|
|
|
Results.ExitScope();
|
|
}
|
|
|
|
void Sema::CodeCompleteObjCClassMessage(Scope *S, ParsedType Receiver,
|
|
IdentifierInfo **SelIdents,
|
|
unsigned NumSelIdents,
|
|
bool AtArgumentExpression,
|
|
bool IsSuper) {
|
|
ResultBuilder Results(*this, CodeCompleter->getAllocator(),
|
|
CodeCompletionContext::CCC_Other);
|
|
AddClassMessageCompletions(*this, S, Receiver, SelIdents, NumSelIdents,
|
|
AtArgumentExpression, IsSuper, Results);
|
|
|
|
// If we're actually at the argument expression (rather than prior to the
|
|
// selector), we're actually performing code completion for an expression.
|
|
// Determine whether we have a single, best method. If so, we can
|
|
// code-complete the expression using the corresponding parameter type as
|
|
// our preferred type, improving completion results.
|
|
if (AtArgumentExpression) {
|
|
QualType PreferredType = getPreferredArgumentTypeForMessageSend(Results,
|
|
NumSelIdents);
|
|
if (PreferredType.isNull())
|
|
CodeCompleteOrdinaryName(S, PCC_Expression);
|
|
else
|
|
CodeCompleteExpression(S, PreferredType);
|
|
return;
|
|
}
|
|
|
|
HandleCodeCompleteResults(this, CodeCompleter,
|
|
CodeCompletionContext::CCC_Other,
|
|
Results.data(), Results.size());
|
|
}
|
|
|
|
void Sema::CodeCompleteObjCInstanceMessage(Scope *S, ExprTy *Receiver,
|
|
IdentifierInfo **SelIdents,
|
|
unsigned NumSelIdents,
|
|
bool AtArgumentExpression,
|
|
ObjCInterfaceDecl *Super) {
|
|
typedef CodeCompletionResult Result;
|
|
|
|
Expr *RecExpr = static_cast<Expr *>(Receiver);
|
|
|
|
// If necessary, apply function/array conversion to the receiver.
|
|
// C99 6.7.5.3p[7,8].
|
|
if (RecExpr) {
|
|
ExprResult Conv = DefaultFunctionArrayLvalueConversion(RecExpr);
|
|
if (Conv.isInvalid()) // conversion failed. bail.
|
|
return;
|
|
RecExpr = Conv.take();
|
|
}
|
|
QualType ReceiverType = RecExpr? RecExpr->getType()
|
|
: Super? Context.getObjCObjectPointerType(
|
|
Context.getObjCInterfaceType(Super))
|
|
: Context.getObjCIdType();
|
|
|
|
// If we're messaging an expression with type "id" or "Class", check
|
|
// whether we know something special about the receiver that allows
|
|
// us to assume a more-specific receiver type.
|
|
if (ReceiverType->isObjCIdType() || ReceiverType->isObjCClassType())
|
|
if (ObjCInterfaceDecl *IFace = GetAssumedMessageSendExprType(RecExpr)) {
|
|
if (ReceiverType->isObjCClassType())
|
|
return CodeCompleteObjCClassMessage(S,
|
|
ParsedType::make(Context.getObjCInterfaceType(IFace)),
|
|
SelIdents, NumSelIdents,
|
|
AtArgumentExpression, Super);
|
|
|
|
ReceiverType = Context.getObjCObjectPointerType(
|
|
Context.getObjCInterfaceType(IFace));
|
|
}
|
|
|
|
// Build the set of methods we can see.
|
|
ResultBuilder Results(*this, CodeCompleter->getAllocator(),
|
|
CodeCompletionContext::CCC_Other);
|
|
Results.EnterNewScope();
|
|
|
|
// If this is a send-to-super, try to add the special "super" send
|
|
// completion.
|
|
if (Super) {
|
|
if (ObjCMethodDecl *SuperMethod
|
|
= AddSuperSendCompletion(*this, false, SelIdents, NumSelIdents,
|
|
Results))
|
|
Results.Ignore(SuperMethod);
|
|
}
|
|
|
|
// If we're inside an Objective-C method definition, prefer its selector to
|
|
// others.
|
|
if (ObjCMethodDecl *CurMethod = getCurMethodDecl())
|
|
Results.setPreferredSelector(CurMethod->getSelector());
|
|
|
|
// Keep track of the selectors we've already added.
|
|
VisitedSelectorSet Selectors;
|
|
|
|
// Handle messages to Class. This really isn't a message to an instance
|
|
// method, so we treat it the same way we would treat a message send to a
|
|
// class method.
|
|
if (ReceiverType->isObjCClassType() ||
|
|
ReceiverType->isObjCQualifiedClassType()) {
|
|
if (ObjCMethodDecl *CurMethod = getCurMethodDecl()) {
|
|
if (ObjCInterfaceDecl *ClassDecl = CurMethod->getClassInterface())
|
|
AddObjCMethods(ClassDecl, false, MK_Any, SelIdents, NumSelIdents,
|
|
CurContext, Selectors, AtArgumentExpression, Results);
|
|
}
|
|
}
|
|
// Handle messages to a qualified ID ("id<foo>").
|
|
else if (const ObjCObjectPointerType *QualID
|
|
= ReceiverType->getAsObjCQualifiedIdType()) {
|
|
// Search protocols for instance methods.
|
|
for (ObjCObjectPointerType::qual_iterator I = QualID->qual_begin(),
|
|
E = QualID->qual_end();
|
|
I != E; ++I)
|
|
AddObjCMethods(*I, true, MK_Any, SelIdents, NumSelIdents, CurContext,
|
|
Selectors, AtArgumentExpression, Results);
|
|
}
|
|
// Handle messages to a pointer to interface type.
|
|
else if (const ObjCObjectPointerType *IFacePtr
|
|
= ReceiverType->getAsObjCInterfacePointerType()) {
|
|
// Search the class, its superclasses, etc., for instance methods.
|
|
AddObjCMethods(IFacePtr->getInterfaceDecl(), true, MK_Any, SelIdents,
|
|
NumSelIdents, CurContext, Selectors, AtArgumentExpression,
|
|
Results);
|
|
|
|
// Search protocols for instance methods.
|
|
for (ObjCObjectPointerType::qual_iterator I = IFacePtr->qual_begin(),
|
|
E = IFacePtr->qual_end();
|
|
I != E; ++I)
|
|
AddObjCMethods(*I, true, MK_Any, SelIdents, NumSelIdents, CurContext,
|
|
Selectors, AtArgumentExpression, Results);
|
|
}
|
|
// Handle messages to "id".
|
|
else if (ReceiverType->isObjCIdType()) {
|
|
// We're messaging "id", so provide all instance methods we know
|
|
// about as code-completion results.
|
|
|
|
// If we have an external source, load the entire class method
|
|
// pool from the AST file.
|
|
if (ExternalSource) {
|
|
for (uint32_t I = 0, N = ExternalSource->GetNumExternalSelectors();
|
|
I != N; ++I) {
|
|
Selector Sel = ExternalSource->GetExternalSelector(I);
|
|
if (Sel.isNull() || MethodPool.count(Sel))
|
|
continue;
|
|
|
|
ReadMethodPool(Sel);
|
|
}
|
|
}
|
|
|
|
for (GlobalMethodPool::iterator M = MethodPool.begin(),
|
|
MEnd = MethodPool.end();
|
|
M != MEnd; ++M) {
|
|
for (ObjCMethodList *MethList = &M->second.first;
|
|
MethList && MethList->Method;
|
|
MethList = MethList->Next) {
|
|
if (!isAcceptableObjCMethod(MethList->Method, MK_Any, SelIdents,
|
|
NumSelIdents))
|
|
continue;
|
|
|
|
if (!Selectors.insert(MethList->Method->getSelector()))
|
|
continue;
|
|
|
|
Result R(MethList->Method, 0);
|
|
R.StartParameter = NumSelIdents;
|
|
R.AllParametersAreInformative = false;
|
|
Results.MaybeAddResult(R, CurContext);
|
|
}
|
|
}
|
|
}
|
|
Results.ExitScope();
|
|
|
|
|
|
// If we're actually at the argument expression (rather than prior to the
|
|
// selector), we're actually performing code completion for an expression.
|
|
// Determine whether we have a single, best method. If so, we can
|
|
// code-complete the expression using the corresponding parameter type as
|
|
// our preferred type, improving completion results.
|
|
if (AtArgumentExpression) {
|
|
QualType PreferredType = getPreferredArgumentTypeForMessageSend(Results,
|
|
NumSelIdents);
|
|
if (PreferredType.isNull())
|
|
CodeCompleteOrdinaryName(S, PCC_Expression);
|
|
else
|
|
CodeCompleteExpression(S, PreferredType);
|
|
return;
|
|
}
|
|
|
|
HandleCodeCompleteResults(this, CodeCompleter,
|
|
CodeCompletionContext::CCC_Other,
|
|
Results.data(),Results.size());
|
|
}
|
|
|
|
void Sema::CodeCompleteObjCForCollection(Scope *S,
|
|
DeclGroupPtrTy IterationVar) {
|
|
CodeCompleteExpressionData Data;
|
|
Data.ObjCCollection = true;
|
|
|
|
if (IterationVar.getAsOpaquePtr()) {
|
|
DeclGroupRef DG = IterationVar.getAsVal<DeclGroupRef>();
|
|
for (DeclGroupRef::iterator I = DG.begin(), End = DG.end(); I != End; ++I) {
|
|
if (*I)
|
|
Data.IgnoreDecls.push_back(*I);
|
|
}
|
|
}
|
|
|
|
CodeCompleteExpression(S, Data);
|
|
}
|
|
|
|
void Sema::CodeCompleteObjCSelector(Scope *S, IdentifierInfo **SelIdents,
|
|
unsigned NumSelIdents) {
|
|
// If we have an external source, load the entire class method
|
|
// pool from the AST file.
|
|
if (ExternalSource) {
|
|
for (uint32_t I = 0, N = ExternalSource->GetNumExternalSelectors();
|
|
I != N; ++I) {
|
|
Selector Sel = ExternalSource->GetExternalSelector(I);
|
|
if (Sel.isNull() || MethodPool.count(Sel))
|
|
continue;
|
|
|
|
ReadMethodPool(Sel);
|
|
}
|
|
}
|
|
|
|
ResultBuilder Results(*this, CodeCompleter->getAllocator(),
|
|
CodeCompletionContext::CCC_SelectorName);
|
|
Results.EnterNewScope();
|
|
for (GlobalMethodPool::iterator M = MethodPool.begin(),
|
|
MEnd = MethodPool.end();
|
|
M != MEnd; ++M) {
|
|
|
|
Selector Sel = M->first;
|
|
if (!isAcceptableObjCSelector(Sel, MK_Any, SelIdents, NumSelIdents))
|
|
continue;
|
|
|
|
CodeCompletionBuilder Builder(Results.getAllocator());
|
|
if (Sel.isUnarySelector()) {
|
|
Builder.AddTypedTextChunk(Builder.getAllocator().CopyString(
|
|
Sel.getNameForSlot(0)));
|
|
Results.AddResult(Builder.TakeString());
|
|
continue;
|
|
}
|
|
|
|
std::string Accumulator;
|
|
for (unsigned I = 0, N = Sel.getNumArgs(); I != N; ++I) {
|
|
if (I == NumSelIdents) {
|
|
if (!Accumulator.empty()) {
|
|
Builder.AddInformativeChunk(Builder.getAllocator().CopyString(
|
|
Accumulator));
|
|
Accumulator.clear();
|
|
}
|
|
}
|
|
|
|
Accumulator += Sel.getNameForSlot(I).str();
|
|
Accumulator += ':';
|
|
}
|
|
Builder.AddTypedTextChunk(Builder.getAllocator().CopyString( Accumulator));
|
|
Results.AddResult(Builder.TakeString());
|
|
}
|
|
Results.ExitScope();
|
|
|
|
HandleCodeCompleteResults(this, CodeCompleter,
|
|
CodeCompletionContext::CCC_SelectorName,
|
|
Results.data(), Results.size());
|
|
}
|
|
|
|
/// \brief Add all of the protocol declarations that we find in the given
|
|
/// (translation unit) context.
|
|
static void AddProtocolResults(DeclContext *Ctx, DeclContext *CurContext,
|
|
bool OnlyForwardDeclarations,
|
|
ResultBuilder &Results) {
|
|
typedef CodeCompletionResult Result;
|
|
|
|
for (DeclContext::decl_iterator D = Ctx->decls_begin(),
|
|
DEnd = Ctx->decls_end();
|
|
D != DEnd; ++D) {
|
|
// Record any protocols we find.
|
|
if (ObjCProtocolDecl *Proto = dyn_cast<ObjCProtocolDecl>(*D))
|
|
if (!OnlyForwardDeclarations || Proto->isForwardDecl())
|
|
Results.AddResult(Result(Proto, 0), CurContext, 0, false);
|
|
|
|
// Record any forward-declared protocols we find.
|
|
if (ObjCForwardProtocolDecl *Forward
|
|
= dyn_cast<ObjCForwardProtocolDecl>(*D)) {
|
|
for (ObjCForwardProtocolDecl::protocol_iterator
|
|
P = Forward->protocol_begin(),
|
|
PEnd = Forward->protocol_end();
|
|
P != PEnd; ++P)
|
|
if (!OnlyForwardDeclarations || (*P)->isForwardDecl())
|
|
Results.AddResult(Result(*P, 0), CurContext, 0, false);
|
|
}
|
|
}
|
|
}
|
|
|
|
void Sema::CodeCompleteObjCProtocolReferences(IdentifierLocPair *Protocols,
|
|
unsigned NumProtocols) {
|
|
ResultBuilder Results(*this, CodeCompleter->getAllocator(),
|
|
CodeCompletionContext::CCC_ObjCProtocolName);
|
|
|
|
if (CodeCompleter && CodeCompleter->includeGlobals()) {
|
|
Results.EnterNewScope();
|
|
|
|
// Tell the result set to ignore all of the protocols we have
|
|
// already seen.
|
|
// FIXME: This doesn't work when caching code-completion results.
|
|
for (unsigned I = 0; I != NumProtocols; ++I)
|
|
if (ObjCProtocolDecl *Protocol = LookupProtocol(Protocols[I].first,
|
|
Protocols[I].second))
|
|
Results.Ignore(Protocol);
|
|
|
|
// Add all protocols.
|
|
AddProtocolResults(Context.getTranslationUnitDecl(), CurContext, false,
|
|
Results);
|
|
|
|
Results.ExitScope();
|
|
}
|
|
|
|
HandleCodeCompleteResults(this, CodeCompleter,
|
|
CodeCompletionContext::CCC_ObjCProtocolName,
|
|
Results.data(),Results.size());
|
|
}
|
|
|
|
void Sema::CodeCompleteObjCProtocolDecl(Scope *) {
|
|
ResultBuilder Results(*this, CodeCompleter->getAllocator(),
|
|
CodeCompletionContext::CCC_ObjCProtocolName);
|
|
|
|
if (CodeCompleter && CodeCompleter->includeGlobals()) {
|
|
Results.EnterNewScope();
|
|
|
|
// Add all protocols.
|
|
AddProtocolResults(Context.getTranslationUnitDecl(), CurContext, true,
|
|
Results);
|
|
|
|
Results.ExitScope();
|
|
}
|
|
|
|
HandleCodeCompleteResults(this, CodeCompleter,
|
|
CodeCompletionContext::CCC_ObjCProtocolName,
|
|
Results.data(),Results.size());
|
|
}
|
|
|
|
/// \brief Add all of the Objective-C interface declarations that we find in
|
|
/// the given (translation unit) context.
|
|
static void AddInterfaceResults(DeclContext *Ctx, DeclContext *CurContext,
|
|
bool OnlyForwardDeclarations,
|
|
bool OnlyUnimplemented,
|
|
ResultBuilder &Results) {
|
|
typedef CodeCompletionResult Result;
|
|
|
|
for (DeclContext::decl_iterator D = Ctx->decls_begin(),
|
|
DEnd = Ctx->decls_end();
|
|
D != DEnd; ++D) {
|
|
// Record any interfaces we find.
|
|
if (ObjCInterfaceDecl *Class = dyn_cast<ObjCInterfaceDecl>(*D))
|
|
if ((!OnlyForwardDeclarations || Class->isForwardDecl()) &&
|
|
(!OnlyUnimplemented || !Class->getImplementation()))
|
|
Results.AddResult(Result(Class, 0), CurContext, 0, false);
|
|
|
|
// Record any forward-declared interfaces we find.
|
|
if (ObjCClassDecl *Forward = dyn_cast<ObjCClassDecl>(*D)) {
|
|
for (ObjCClassDecl::iterator C = Forward->begin(), CEnd = Forward->end();
|
|
C != CEnd; ++C)
|
|
if ((!OnlyForwardDeclarations || C->getInterface()->isForwardDecl()) &&
|
|
(!OnlyUnimplemented || !C->getInterface()->getImplementation()))
|
|
Results.AddResult(Result(C->getInterface(), 0), CurContext,
|
|
0, false);
|
|
}
|
|
}
|
|
}
|
|
|
|
void Sema::CodeCompleteObjCInterfaceDecl(Scope *S) {
|
|
ResultBuilder Results(*this, CodeCompleter->getAllocator(),
|
|
CodeCompletionContext::CCC_Other);
|
|
Results.EnterNewScope();
|
|
|
|
// Add all classes.
|
|
AddInterfaceResults(Context.getTranslationUnitDecl(), CurContext, true,
|
|
false, Results);
|
|
|
|
Results.ExitScope();
|
|
// FIXME: Add a special context for this, use cached global completion
|
|
// results.
|
|
HandleCodeCompleteResults(this, CodeCompleter,
|
|
CodeCompletionContext::CCC_Other,
|
|
Results.data(),Results.size());
|
|
}
|
|
|
|
void Sema::CodeCompleteObjCSuperclass(Scope *S, IdentifierInfo *ClassName,
|
|
SourceLocation ClassNameLoc) {
|
|
ResultBuilder Results(*this, CodeCompleter->getAllocator(),
|
|
CodeCompletionContext::CCC_Other);
|
|
Results.EnterNewScope();
|
|
|
|
// Make sure that we ignore the class we're currently defining.
|
|
NamedDecl *CurClass
|
|
= LookupSingleName(TUScope, ClassName, ClassNameLoc, LookupOrdinaryName);
|
|
if (CurClass && isa<ObjCInterfaceDecl>(CurClass))
|
|
Results.Ignore(CurClass);
|
|
|
|
// Add all classes.
|
|
AddInterfaceResults(Context.getTranslationUnitDecl(), CurContext, false,
|
|
false, Results);
|
|
|
|
Results.ExitScope();
|
|
// FIXME: Add a special context for this, use cached global completion
|
|
// results.
|
|
HandleCodeCompleteResults(this, CodeCompleter,
|
|
CodeCompletionContext::CCC_Other,
|
|
Results.data(),Results.size());
|
|
}
|
|
|
|
void Sema::CodeCompleteObjCImplementationDecl(Scope *S) {
|
|
ResultBuilder Results(*this, CodeCompleter->getAllocator(),
|
|
CodeCompletionContext::CCC_Other);
|
|
Results.EnterNewScope();
|
|
|
|
// Add all unimplemented classes.
|
|
AddInterfaceResults(Context.getTranslationUnitDecl(), CurContext, false,
|
|
true, Results);
|
|
|
|
Results.ExitScope();
|
|
// FIXME: Add a special context for this, use cached global completion
|
|
// results.
|
|
HandleCodeCompleteResults(this, CodeCompleter,
|
|
CodeCompletionContext::CCC_Other,
|
|
Results.data(),Results.size());
|
|
}
|
|
|
|
void Sema::CodeCompleteObjCInterfaceCategory(Scope *S,
|
|
IdentifierInfo *ClassName,
|
|
SourceLocation ClassNameLoc) {
|
|
typedef CodeCompletionResult Result;
|
|
|
|
ResultBuilder Results(*this, CodeCompleter->getAllocator(),
|
|
CodeCompletionContext::CCC_Other);
|
|
|
|
// Ignore any categories we find that have already been implemented by this
|
|
// interface.
|
|
llvm::SmallPtrSet<IdentifierInfo *, 16> CategoryNames;
|
|
NamedDecl *CurClass
|
|
= LookupSingleName(TUScope, ClassName, ClassNameLoc, LookupOrdinaryName);
|
|
if (ObjCInterfaceDecl *Class = dyn_cast_or_null<ObjCInterfaceDecl>(CurClass))
|
|
for (ObjCCategoryDecl *Category = Class->getCategoryList(); Category;
|
|
Category = Category->getNextClassCategory())
|
|
CategoryNames.insert(Category->getIdentifier());
|
|
|
|
// Add all of the categories we know about.
|
|
Results.EnterNewScope();
|
|
TranslationUnitDecl *TU = Context.getTranslationUnitDecl();
|
|
for (DeclContext::decl_iterator D = TU->decls_begin(),
|
|
DEnd = TU->decls_end();
|
|
D != DEnd; ++D)
|
|
if (ObjCCategoryDecl *Category = dyn_cast<ObjCCategoryDecl>(*D))
|
|
if (CategoryNames.insert(Category->getIdentifier()))
|
|
Results.AddResult(Result(Category, 0), CurContext, 0, false);
|
|
Results.ExitScope();
|
|
|
|
HandleCodeCompleteResults(this, CodeCompleter,
|
|
CodeCompletionContext::CCC_Other,
|
|
Results.data(),Results.size());
|
|
}
|
|
|
|
void Sema::CodeCompleteObjCImplementationCategory(Scope *S,
|
|
IdentifierInfo *ClassName,
|
|
SourceLocation ClassNameLoc) {
|
|
typedef CodeCompletionResult Result;
|
|
|
|
// Find the corresponding interface. If we couldn't find the interface, the
|
|
// program itself is ill-formed. However, we'll try to be helpful still by
|
|
// providing the list of all of the categories we know about.
|
|
NamedDecl *CurClass
|
|
= LookupSingleName(TUScope, ClassName, ClassNameLoc, LookupOrdinaryName);
|
|
ObjCInterfaceDecl *Class = dyn_cast_or_null<ObjCInterfaceDecl>(CurClass);
|
|
if (!Class)
|
|
return CodeCompleteObjCInterfaceCategory(S, ClassName, ClassNameLoc);
|
|
|
|
ResultBuilder Results(*this, CodeCompleter->getAllocator(),
|
|
CodeCompletionContext::CCC_Other);
|
|
|
|
// Add all of the categories that have have corresponding interface
|
|
// declarations in this class and any of its superclasses, except for
|
|
// already-implemented categories in the class itself.
|
|
llvm::SmallPtrSet<IdentifierInfo *, 16> CategoryNames;
|
|
Results.EnterNewScope();
|
|
bool IgnoreImplemented = true;
|
|
while (Class) {
|
|
for (ObjCCategoryDecl *Category = Class->getCategoryList(); Category;
|
|
Category = Category->getNextClassCategory())
|
|
if ((!IgnoreImplemented || !Category->getImplementation()) &&
|
|
CategoryNames.insert(Category->getIdentifier()))
|
|
Results.AddResult(Result(Category, 0), CurContext, 0, false);
|
|
|
|
Class = Class->getSuperClass();
|
|
IgnoreImplemented = false;
|
|
}
|
|
Results.ExitScope();
|
|
|
|
HandleCodeCompleteResults(this, CodeCompleter,
|
|
CodeCompletionContext::CCC_Other,
|
|
Results.data(),Results.size());
|
|
}
|
|
|
|
void Sema::CodeCompleteObjCPropertyDefinition(Scope *S, Decl *ObjCImpDecl) {
|
|
typedef CodeCompletionResult Result;
|
|
ResultBuilder Results(*this, CodeCompleter->getAllocator(),
|
|
CodeCompletionContext::CCC_Other);
|
|
|
|
// Figure out where this @synthesize lives.
|
|
ObjCContainerDecl *Container
|
|
= dyn_cast_or_null<ObjCContainerDecl>(ObjCImpDecl);
|
|
if (!Container ||
|
|
(!isa<ObjCImplementationDecl>(Container) &&
|
|
!isa<ObjCCategoryImplDecl>(Container)))
|
|
return;
|
|
|
|
// Ignore any properties that have already been implemented.
|
|
for (DeclContext::decl_iterator D = Container->decls_begin(),
|
|
DEnd = Container->decls_end();
|
|
D != DEnd; ++D)
|
|
if (ObjCPropertyImplDecl *PropertyImpl = dyn_cast<ObjCPropertyImplDecl>(*D))
|
|
Results.Ignore(PropertyImpl->getPropertyDecl());
|
|
|
|
// Add any properties that we find.
|
|
AddedPropertiesSet AddedProperties;
|
|
Results.EnterNewScope();
|
|
if (ObjCImplementationDecl *ClassImpl
|
|
= dyn_cast<ObjCImplementationDecl>(Container))
|
|
AddObjCProperties(ClassImpl->getClassInterface(), false, CurContext,
|
|
AddedProperties, Results);
|
|
else
|
|
AddObjCProperties(cast<ObjCCategoryImplDecl>(Container)->getCategoryDecl(),
|
|
false, CurContext, AddedProperties, Results);
|
|
Results.ExitScope();
|
|
|
|
HandleCodeCompleteResults(this, CodeCompleter,
|
|
CodeCompletionContext::CCC_Other,
|
|
Results.data(),Results.size());
|
|
}
|
|
|
|
void Sema::CodeCompleteObjCPropertySynthesizeIvar(Scope *S,
|
|
IdentifierInfo *PropertyName,
|
|
Decl *ObjCImpDecl) {
|
|
typedef CodeCompletionResult Result;
|
|
ResultBuilder Results(*this, CodeCompleter->getAllocator(),
|
|
CodeCompletionContext::CCC_Other);
|
|
|
|
// Figure out where this @synthesize lives.
|
|
ObjCContainerDecl *Container
|
|
= dyn_cast_or_null<ObjCContainerDecl>(ObjCImpDecl);
|
|
if (!Container ||
|
|
(!isa<ObjCImplementationDecl>(Container) &&
|
|
!isa<ObjCCategoryImplDecl>(Container)))
|
|
return;
|
|
|
|
// Figure out which interface we're looking into.
|
|
ObjCInterfaceDecl *Class = 0;
|
|
if (ObjCImplementationDecl *ClassImpl
|
|
= dyn_cast<ObjCImplementationDecl>(Container))
|
|
Class = ClassImpl->getClassInterface();
|
|
else
|
|
Class = cast<ObjCCategoryImplDecl>(Container)->getCategoryDecl()
|
|
->getClassInterface();
|
|
|
|
// Add all of the instance variables in this class and its superclasses.
|
|
Results.EnterNewScope();
|
|
for(; Class; Class = Class->getSuperClass()) {
|
|
// FIXME: We could screen the type of each ivar for compatibility with
|
|
// the property, but is that being too paternal?
|
|
for (ObjCInterfaceDecl::ivar_iterator IVar = Class->ivar_begin(),
|
|
IVarEnd = Class->ivar_end();
|
|
IVar != IVarEnd; ++IVar)
|
|
Results.AddResult(Result(*IVar, 0), CurContext, 0, false);
|
|
}
|
|
Results.ExitScope();
|
|
|
|
HandleCodeCompleteResults(this, CodeCompleter,
|
|
CodeCompletionContext::CCC_Other,
|
|
Results.data(),Results.size());
|
|
}
|
|
|
|
// Mapping from selectors to the methods that implement that selector, along
|
|
// with the "in original class" flag.
|
|
typedef llvm::DenseMap<Selector, std::pair<ObjCMethodDecl *, bool> >
|
|
KnownMethodsMap;
|
|
|
|
/// \brief Find all of the methods that reside in the given container
|
|
/// (and its superclasses, protocols, etc.) that meet the given
|
|
/// criteria. Insert those methods into the map of known methods,
|
|
/// indexed by selector so they can be easily found.
|
|
static void FindImplementableMethods(ASTContext &Context,
|
|
ObjCContainerDecl *Container,
|
|
bool WantInstanceMethods,
|
|
QualType ReturnType,
|
|
KnownMethodsMap &KnownMethods,
|
|
bool InOriginalClass = true) {
|
|
if (ObjCInterfaceDecl *IFace = dyn_cast<ObjCInterfaceDecl>(Container)) {
|
|
// Recurse into protocols.
|
|
const ObjCList<ObjCProtocolDecl> &Protocols
|
|
= IFace->getReferencedProtocols();
|
|
for (ObjCList<ObjCProtocolDecl>::iterator I = Protocols.begin(),
|
|
E = Protocols.end();
|
|
I != E; ++I)
|
|
FindImplementableMethods(Context, *I, WantInstanceMethods, ReturnType,
|
|
KnownMethods, InOriginalClass);
|
|
|
|
// Add methods from any class extensions and categories.
|
|
for (const ObjCCategoryDecl *Cat = IFace->getCategoryList(); Cat;
|
|
Cat = Cat->getNextClassCategory())
|
|
FindImplementableMethods(Context, const_cast<ObjCCategoryDecl*>(Cat),
|
|
WantInstanceMethods, ReturnType,
|
|
KnownMethods, false);
|
|
|
|
// Visit the superclass.
|
|
if (IFace->getSuperClass())
|
|
FindImplementableMethods(Context, IFace->getSuperClass(),
|
|
WantInstanceMethods, ReturnType,
|
|
KnownMethods, false);
|
|
}
|
|
|
|
if (ObjCCategoryDecl *Category = dyn_cast<ObjCCategoryDecl>(Container)) {
|
|
// Recurse into protocols.
|
|
const ObjCList<ObjCProtocolDecl> &Protocols
|
|
= Category->getReferencedProtocols();
|
|
for (ObjCList<ObjCProtocolDecl>::iterator I = Protocols.begin(),
|
|
E = Protocols.end();
|
|
I != E; ++I)
|
|
FindImplementableMethods(Context, *I, WantInstanceMethods, ReturnType,
|
|
KnownMethods, InOriginalClass);
|
|
|
|
// If this category is the original class, jump to the interface.
|
|
if (InOriginalClass && Category->getClassInterface())
|
|
FindImplementableMethods(Context, Category->getClassInterface(),
|
|
WantInstanceMethods, ReturnType, KnownMethods,
|
|
false);
|
|
}
|
|
|
|
if (ObjCProtocolDecl *Protocol = dyn_cast<ObjCProtocolDecl>(Container)) {
|
|
// Recurse into protocols.
|
|
const ObjCList<ObjCProtocolDecl> &Protocols
|
|
= Protocol->getReferencedProtocols();
|
|
for (ObjCList<ObjCProtocolDecl>::iterator I = Protocols.begin(),
|
|
E = Protocols.end();
|
|
I != E; ++I)
|
|
FindImplementableMethods(Context, *I, WantInstanceMethods, ReturnType,
|
|
KnownMethods, false);
|
|
}
|
|
|
|
// Add methods in this container. This operation occurs last because
|
|
// we want the methods from this container to override any methods
|
|
// we've previously seen with the same selector.
|
|
for (ObjCContainerDecl::method_iterator M = Container->meth_begin(),
|
|
MEnd = Container->meth_end();
|
|
M != MEnd; ++M) {
|
|
if ((*M)->isInstanceMethod() == WantInstanceMethods) {
|
|
if (!ReturnType.isNull() &&
|
|
!Context.hasSameUnqualifiedType(ReturnType, (*M)->getResultType()))
|
|
continue;
|
|
|
|
KnownMethods[(*M)->getSelector()] = std::make_pair(*M, InOriginalClass);
|
|
}
|
|
}
|
|
}
|
|
|
|
/// \brief Add the parenthesized return or parameter type chunk to a code
|
|
/// completion string.
|
|
static void AddObjCPassingTypeChunk(QualType Type,
|
|
ASTContext &Context,
|
|
CodeCompletionBuilder &Builder) {
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddTextChunk(GetCompletionTypeString(Type, Context,
|
|
Builder.getAllocator()));
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
}
|
|
|
|
/// \brief Determine whether the given class is or inherits from a class by
|
|
/// the given name.
|
|
static bool InheritsFromClassNamed(ObjCInterfaceDecl *Class,
|
|
llvm::StringRef Name) {
|
|
if (!Class)
|
|
return false;
|
|
|
|
if (Class->getIdentifier() && Class->getIdentifier()->getName() == Name)
|
|
return true;
|
|
|
|
return InheritsFromClassNamed(Class->getSuperClass(), Name);
|
|
}
|
|
|
|
/// \brief Add code completions for Objective-C Key-Value Coding (KVC) and
|
|
/// Key-Value Observing (KVO).
|
|
static void AddObjCKeyValueCompletions(ObjCPropertyDecl *Property,
|
|
bool IsInstanceMethod,
|
|
QualType ReturnType,
|
|
ASTContext &Context,
|
|
const KnownMethodsMap &KnownMethods,
|
|
ResultBuilder &Results) {
|
|
IdentifierInfo *PropName = Property->getIdentifier();
|
|
if (!PropName || PropName->getLength() == 0)
|
|
return;
|
|
|
|
|
|
// Builder that will create each code completion.
|
|
typedef CodeCompletionResult Result;
|
|
CodeCompletionAllocator &Allocator = Results.getAllocator();
|
|
CodeCompletionBuilder Builder(Allocator);
|
|
|
|
// The selector table.
|
|
SelectorTable &Selectors = Context.Selectors;
|
|
|
|
// The property name, copied into the code completion allocation region
|
|
// on demand.
|
|
struct KeyHolder {
|
|
CodeCompletionAllocator &Allocator;
|
|
llvm::StringRef Key;
|
|
const char *CopiedKey;
|
|
|
|
KeyHolder(CodeCompletionAllocator &Allocator, llvm::StringRef Key)
|
|
: Allocator(Allocator), Key(Key), CopiedKey(0) { }
|
|
|
|
operator const char *() {
|
|
if (CopiedKey)
|
|
return CopiedKey;
|
|
|
|
return CopiedKey = Allocator.CopyString(Key);
|
|
}
|
|
} Key(Allocator, PropName->getName());
|
|
|
|
// The uppercased name of the property name.
|
|
std::string UpperKey = PropName->getName();
|
|
if (!UpperKey.empty())
|
|
UpperKey[0] = toupper(UpperKey[0]);
|
|
|
|
bool ReturnTypeMatchesProperty = ReturnType.isNull() ||
|
|
Context.hasSameUnqualifiedType(ReturnType.getNonReferenceType(),
|
|
Property->getType());
|
|
bool ReturnTypeMatchesVoid
|
|
= ReturnType.isNull() || ReturnType->isVoidType();
|
|
|
|
// Add the normal accessor -(type)key.
|
|
if (IsInstanceMethod &&
|
|
!KnownMethods.count(Selectors.getNullarySelector(PropName)) &&
|
|
ReturnTypeMatchesProperty && !Property->getGetterMethodDecl()) {
|
|
if (ReturnType.isNull())
|
|
AddObjCPassingTypeChunk(Property->getType(), Context, Builder);
|
|
|
|
Builder.AddTypedTextChunk(Key);
|
|
Results.AddResult(Result(Builder.TakeString(), CCP_CodePattern,
|
|
CXCursor_ObjCInstanceMethodDecl));
|
|
}
|
|
|
|
// If we have an integral or boolean property (or the user has provided
|
|
// an integral or boolean return type), add the accessor -(type)isKey.
|
|
if (IsInstanceMethod &&
|
|
((!ReturnType.isNull() &&
|
|
(ReturnType->isIntegerType() || ReturnType->isBooleanType())) ||
|
|
(ReturnType.isNull() &&
|
|
(Property->getType()->isIntegerType() ||
|
|
Property->getType()->isBooleanType())))) {
|
|
std::string SelectorName = (llvm::Twine("is") + UpperKey).str();
|
|
IdentifierInfo *SelectorId = &Context.Idents.get(SelectorName);
|
|
if (!KnownMethods.count(Selectors.getNullarySelector(SelectorId))) {
|
|
if (ReturnType.isNull()) {
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddTextChunk("BOOL");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
}
|
|
|
|
Builder.AddTypedTextChunk(
|
|
Allocator.CopyString(SelectorId->getName()));
|
|
Results.AddResult(Result(Builder.TakeString(), CCP_CodePattern,
|
|
CXCursor_ObjCInstanceMethodDecl));
|
|
}
|
|
}
|
|
|
|
// Add the normal mutator.
|
|
if (IsInstanceMethod && ReturnTypeMatchesVoid &&
|
|
!Property->getSetterMethodDecl()) {
|
|
std::string SelectorName = (llvm::Twine("set") + UpperKey).str();
|
|
IdentifierInfo *SelectorId = &Context.Idents.get(SelectorName);
|
|
if (!KnownMethods.count(Selectors.getUnarySelector(SelectorId))) {
|
|
if (ReturnType.isNull()) {
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddTextChunk("void");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
}
|
|
|
|
Builder.AddTypedTextChunk(
|
|
Allocator.CopyString(SelectorId->getName()));
|
|
Builder.AddTypedTextChunk(":");
|
|
AddObjCPassingTypeChunk(Property->getType(), Context, Builder);
|
|
Builder.AddTextChunk(Key);
|
|
Results.AddResult(Result(Builder.TakeString(), CCP_CodePattern,
|
|
CXCursor_ObjCInstanceMethodDecl));
|
|
}
|
|
}
|
|
|
|
// Indexed and unordered accessors
|
|
unsigned IndexedGetterPriority = CCP_CodePattern;
|
|
unsigned IndexedSetterPriority = CCP_CodePattern;
|
|
unsigned UnorderedGetterPriority = CCP_CodePattern;
|
|
unsigned UnorderedSetterPriority = CCP_CodePattern;
|
|
if (const ObjCObjectPointerType *ObjCPointer
|
|
= Property->getType()->getAs<ObjCObjectPointerType>()) {
|
|
if (ObjCInterfaceDecl *IFace = ObjCPointer->getInterfaceDecl()) {
|
|
// If this interface type is not provably derived from a known
|
|
// collection, penalize the corresponding completions.
|
|
if (!InheritsFromClassNamed(IFace, "NSMutableArray")) {
|
|
IndexedSetterPriority += CCD_ProbablyNotObjCCollection;
|
|
if (!InheritsFromClassNamed(IFace, "NSArray"))
|
|
IndexedGetterPriority += CCD_ProbablyNotObjCCollection;
|
|
}
|
|
|
|
if (!InheritsFromClassNamed(IFace, "NSMutableSet")) {
|
|
UnorderedSetterPriority += CCD_ProbablyNotObjCCollection;
|
|
if (!InheritsFromClassNamed(IFace, "NSSet"))
|
|
UnorderedGetterPriority += CCD_ProbablyNotObjCCollection;
|
|
}
|
|
}
|
|
} else {
|
|
IndexedGetterPriority += CCD_ProbablyNotObjCCollection;
|
|
IndexedSetterPriority += CCD_ProbablyNotObjCCollection;
|
|
UnorderedGetterPriority += CCD_ProbablyNotObjCCollection;
|
|
UnorderedSetterPriority += CCD_ProbablyNotObjCCollection;
|
|
}
|
|
|
|
// Add -(NSUInteger)countOf<key>
|
|
if (IsInstanceMethod &&
|
|
(ReturnType.isNull() || ReturnType->isIntegerType())) {
|
|
std::string SelectorName = (llvm::Twine("countOf") + UpperKey).str();
|
|
IdentifierInfo *SelectorId = &Context.Idents.get(SelectorName);
|
|
if (!KnownMethods.count(Selectors.getNullarySelector(SelectorId))) {
|
|
if (ReturnType.isNull()) {
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddTextChunk("NSUInteger");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
}
|
|
|
|
Builder.AddTypedTextChunk(
|
|
Allocator.CopyString(SelectorId->getName()));
|
|
Results.AddResult(Result(Builder.TakeString(),
|
|
std::min(IndexedGetterPriority,
|
|
UnorderedGetterPriority),
|
|
CXCursor_ObjCInstanceMethodDecl));
|
|
}
|
|
}
|
|
|
|
// Indexed getters
|
|
// Add -(id)objectInKeyAtIndex:(NSUInteger)index
|
|
if (IsInstanceMethod &&
|
|
(ReturnType.isNull() || ReturnType->isObjCObjectPointerType())) {
|
|
std::string SelectorName
|
|
= (llvm::Twine("objectIn") + UpperKey + "AtIndex").str();
|
|
IdentifierInfo *SelectorId = &Context.Idents.get(SelectorName);
|
|
if (!KnownMethods.count(Selectors.getUnarySelector(SelectorId))) {
|
|
if (ReturnType.isNull()) {
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddTextChunk("id");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
}
|
|
|
|
Builder.AddTypedTextChunk(Allocator.CopyString(SelectorName + ":"));
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddTextChunk("NSUInteger");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
Builder.AddTextChunk("index");
|
|
Results.AddResult(Result(Builder.TakeString(), IndexedGetterPriority,
|
|
CXCursor_ObjCInstanceMethodDecl));
|
|
}
|
|
}
|
|
|
|
// Add -(NSArray *)keyAtIndexes:(NSIndexSet *)indexes
|
|
if (IsInstanceMethod &&
|
|
(ReturnType.isNull() ||
|
|
(ReturnType->isObjCObjectPointerType() &&
|
|
ReturnType->getAs<ObjCObjectPointerType>()->getInterfaceDecl() &&
|
|
ReturnType->getAs<ObjCObjectPointerType>()->getInterfaceDecl()
|
|
->getName() == "NSArray"))) {
|
|
std::string SelectorName
|
|
= (llvm::Twine(Property->getName()) + "AtIndexes").str();
|
|
IdentifierInfo *SelectorId = &Context.Idents.get(SelectorName);
|
|
if (!KnownMethods.count(Selectors.getUnarySelector(SelectorId))) {
|
|
if (ReturnType.isNull()) {
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddTextChunk("NSArray *");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
}
|
|
|
|
Builder.AddTypedTextChunk(Allocator.CopyString(SelectorName + ":"));
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddTextChunk("NSIndexSet *");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
Builder.AddTextChunk("indexes");
|
|
Results.AddResult(Result(Builder.TakeString(), IndexedGetterPriority,
|
|
CXCursor_ObjCInstanceMethodDecl));
|
|
}
|
|
}
|
|
|
|
// Add -(void)getKey:(type **)buffer range:(NSRange)inRange
|
|
if (IsInstanceMethod && ReturnTypeMatchesVoid) {
|
|
std::string SelectorName = (llvm::Twine("get") + UpperKey).str();
|
|
IdentifierInfo *SelectorIds[2] = {
|
|
&Context.Idents.get(SelectorName),
|
|
&Context.Idents.get("range")
|
|
};
|
|
|
|
if (!KnownMethods.count(Selectors.getSelector(2, SelectorIds))) {
|
|
if (ReturnType.isNull()) {
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddTextChunk("void");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
}
|
|
|
|
Builder.AddTypedTextChunk(Allocator.CopyString(SelectorName + ":"));
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddPlaceholderChunk("object-type");
|
|
Builder.AddTextChunk(" **");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
Builder.AddTextChunk("buffer");
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddTypedTextChunk("range:");
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddTextChunk("NSRange");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
Builder.AddTextChunk("inRange");
|
|
Results.AddResult(Result(Builder.TakeString(), IndexedGetterPriority,
|
|
CXCursor_ObjCInstanceMethodDecl));
|
|
}
|
|
}
|
|
|
|
// Mutable indexed accessors
|
|
|
|
// - (void)insertObject:(type *)object inKeyAtIndex:(NSUInteger)index
|
|
if (IsInstanceMethod && ReturnTypeMatchesVoid) {
|
|
std::string SelectorName = (llvm::Twine("in") + UpperKey + "AtIndex").str();
|
|
IdentifierInfo *SelectorIds[2] = {
|
|
&Context.Idents.get("insertObject"),
|
|
&Context.Idents.get(SelectorName)
|
|
};
|
|
|
|
if (!KnownMethods.count(Selectors.getSelector(2, SelectorIds))) {
|
|
if (ReturnType.isNull()) {
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddTextChunk("void");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
}
|
|
|
|
Builder.AddTypedTextChunk("insertObject:");
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddPlaceholderChunk("object-type");
|
|
Builder.AddTextChunk(" *");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
Builder.AddTextChunk("object");
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddTypedTextChunk(Allocator.CopyString(SelectorName + ":"));
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddPlaceholderChunk("NSUInteger");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
Builder.AddTextChunk("index");
|
|
Results.AddResult(Result(Builder.TakeString(), IndexedSetterPriority,
|
|
CXCursor_ObjCInstanceMethodDecl));
|
|
}
|
|
}
|
|
|
|
// - (void)insertKey:(NSArray *)array atIndexes:(NSIndexSet *)indexes
|
|
if (IsInstanceMethod && ReturnTypeMatchesVoid) {
|
|
std::string SelectorName = (llvm::Twine("insert") + UpperKey).str();
|
|
IdentifierInfo *SelectorIds[2] = {
|
|
&Context.Idents.get(SelectorName),
|
|
&Context.Idents.get("atIndexes")
|
|
};
|
|
|
|
if (!KnownMethods.count(Selectors.getSelector(2, SelectorIds))) {
|
|
if (ReturnType.isNull()) {
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddTextChunk("void");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
}
|
|
|
|
Builder.AddTypedTextChunk(Allocator.CopyString(SelectorName + ":"));
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddTextChunk("NSArray *");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
Builder.AddTextChunk("array");
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddTypedTextChunk("atIndexes:");
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddPlaceholderChunk("NSIndexSet *");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
Builder.AddTextChunk("indexes");
|
|
Results.AddResult(Result(Builder.TakeString(), IndexedSetterPriority,
|
|
CXCursor_ObjCInstanceMethodDecl));
|
|
}
|
|
}
|
|
|
|
// -(void)removeObjectFromKeyAtIndex:(NSUInteger)index
|
|
if (IsInstanceMethod && ReturnTypeMatchesVoid) {
|
|
std::string SelectorName
|
|
= (llvm::Twine("removeObjectFrom") + UpperKey + "AtIndex").str();
|
|
IdentifierInfo *SelectorId = &Context.Idents.get(SelectorName);
|
|
if (!KnownMethods.count(Selectors.getUnarySelector(SelectorId))) {
|
|
if (ReturnType.isNull()) {
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddTextChunk("void");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
}
|
|
|
|
Builder.AddTypedTextChunk(Allocator.CopyString(SelectorName + ":"));
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddTextChunk("NSUInteger");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
Builder.AddTextChunk("index");
|
|
Results.AddResult(Result(Builder.TakeString(), IndexedSetterPriority,
|
|
CXCursor_ObjCInstanceMethodDecl));
|
|
}
|
|
}
|
|
|
|
// -(void)removeKeyAtIndexes:(NSIndexSet *)indexes
|
|
if (IsInstanceMethod && ReturnTypeMatchesVoid) {
|
|
std::string SelectorName
|
|
= (llvm::Twine("remove") + UpperKey + "AtIndexes").str();
|
|
IdentifierInfo *SelectorId = &Context.Idents.get(SelectorName);
|
|
if (!KnownMethods.count(Selectors.getUnarySelector(SelectorId))) {
|
|
if (ReturnType.isNull()) {
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddTextChunk("void");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
}
|
|
|
|
Builder.AddTypedTextChunk(Allocator.CopyString(SelectorName + ":"));
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddTextChunk("NSIndexSet *");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
Builder.AddTextChunk("indexes");
|
|
Results.AddResult(Result(Builder.TakeString(), IndexedSetterPriority,
|
|
CXCursor_ObjCInstanceMethodDecl));
|
|
}
|
|
}
|
|
|
|
// - (void)replaceObjectInKeyAtIndex:(NSUInteger)index withObject:(id)object
|
|
if (IsInstanceMethod && ReturnTypeMatchesVoid) {
|
|
std::string SelectorName
|
|
= (llvm::Twine("replaceObjectIn") + UpperKey + "AtIndex").str();
|
|
IdentifierInfo *SelectorIds[2] = {
|
|
&Context.Idents.get(SelectorName),
|
|
&Context.Idents.get("withObject")
|
|
};
|
|
|
|
if (!KnownMethods.count(Selectors.getSelector(2, SelectorIds))) {
|
|
if (ReturnType.isNull()) {
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddTextChunk("void");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
}
|
|
|
|
Builder.AddTypedTextChunk(Allocator.CopyString(SelectorName + ":"));
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddPlaceholderChunk("NSUInteger");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
Builder.AddTextChunk("index");
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddTypedTextChunk("withObject:");
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddTextChunk("id");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
Builder.AddTextChunk("object");
|
|
Results.AddResult(Result(Builder.TakeString(), IndexedSetterPriority,
|
|
CXCursor_ObjCInstanceMethodDecl));
|
|
}
|
|
}
|
|
|
|
// - (void)replaceKeyAtIndexes:(NSIndexSet *)indexes withKey:(NSArray *)array
|
|
if (IsInstanceMethod && ReturnTypeMatchesVoid) {
|
|
std::string SelectorName1
|
|
= (llvm::Twine("replace") + UpperKey + "AtIndexes").str();
|
|
std::string SelectorName2 = (llvm::Twine("with") + UpperKey).str();
|
|
IdentifierInfo *SelectorIds[2] = {
|
|
&Context.Idents.get(SelectorName1),
|
|
&Context.Idents.get(SelectorName2)
|
|
};
|
|
|
|
if (!KnownMethods.count(Selectors.getSelector(2, SelectorIds))) {
|
|
if (ReturnType.isNull()) {
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddTextChunk("void");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
}
|
|
|
|
Builder.AddTypedTextChunk(Allocator.CopyString(SelectorName1 + ":"));
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddPlaceholderChunk("NSIndexSet *");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
Builder.AddTextChunk("indexes");
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddTypedTextChunk(Allocator.CopyString(SelectorName2 + ":"));
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddTextChunk("NSArray *");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
Builder.AddTextChunk("array");
|
|
Results.AddResult(Result(Builder.TakeString(), IndexedSetterPriority,
|
|
CXCursor_ObjCInstanceMethodDecl));
|
|
}
|
|
}
|
|
|
|
// Unordered getters
|
|
// - (NSEnumerator *)enumeratorOfKey
|
|
if (IsInstanceMethod &&
|
|
(ReturnType.isNull() ||
|
|
(ReturnType->isObjCObjectPointerType() &&
|
|
ReturnType->getAs<ObjCObjectPointerType>()->getInterfaceDecl() &&
|
|
ReturnType->getAs<ObjCObjectPointerType>()->getInterfaceDecl()
|
|
->getName() == "NSEnumerator"))) {
|
|
std::string SelectorName = (llvm::Twine("enumeratorOf") + UpperKey).str();
|
|
IdentifierInfo *SelectorId = &Context.Idents.get(SelectorName);
|
|
if (!KnownMethods.count(Selectors.getNullarySelector(SelectorId))) {
|
|
if (ReturnType.isNull()) {
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddTextChunk("NSEnumerator *");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
}
|
|
|
|
Builder.AddTypedTextChunk(Allocator.CopyString(SelectorName));
|
|
Results.AddResult(Result(Builder.TakeString(), UnorderedGetterPriority,
|
|
CXCursor_ObjCInstanceMethodDecl));
|
|
}
|
|
}
|
|
|
|
// - (type *)memberOfKey:(type *)object
|
|
if (IsInstanceMethod &&
|
|
(ReturnType.isNull() || ReturnType->isObjCObjectPointerType())) {
|
|
std::string SelectorName = (llvm::Twine("memberOf") + UpperKey).str();
|
|
IdentifierInfo *SelectorId = &Context.Idents.get(SelectorName);
|
|
if (!KnownMethods.count(Selectors.getUnarySelector(SelectorId))) {
|
|
if (ReturnType.isNull()) {
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddPlaceholderChunk("object-type");
|
|
Builder.AddTextChunk(" *");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
}
|
|
|
|
Builder.AddTypedTextChunk(Allocator.CopyString(SelectorName + ":"));
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
if (ReturnType.isNull()) {
|
|
Builder.AddPlaceholderChunk("object-type");
|
|
Builder.AddTextChunk(" *");
|
|
} else {
|
|
Builder.AddTextChunk(GetCompletionTypeString(ReturnType, Context,
|
|
Builder.getAllocator()));
|
|
}
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
Builder.AddTextChunk("object");
|
|
Results.AddResult(Result(Builder.TakeString(), UnorderedGetterPriority,
|
|
CXCursor_ObjCInstanceMethodDecl));
|
|
}
|
|
}
|
|
|
|
// Mutable unordered accessors
|
|
// - (void)addKeyObject:(type *)object
|
|
if (IsInstanceMethod && ReturnTypeMatchesVoid) {
|
|
std::string SelectorName
|
|
= (llvm::Twine("add") + UpperKey + llvm::Twine("Object")).str();
|
|
IdentifierInfo *SelectorId = &Context.Idents.get(SelectorName);
|
|
if (!KnownMethods.count(Selectors.getUnarySelector(SelectorId))) {
|
|
if (ReturnType.isNull()) {
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddTextChunk("void");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
}
|
|
|
|
Builder.AddTypedTextChunk(Allocator.CopyString(SelectorName + ":"));
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddPlaceholderChunk("object-type");
|
|
Builder.AddTextChunk(" *");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
Builder.AddTextChunk("object");
|
|
Results.AddResult(Result(Builder.TakeString(), UnorderedSetterPriority,
|
|
CXCursor_ObjCInstanceMethodDecl));
|
|
}
|
|
}
|
|
|
|
// - (void)addKey:(NSSet *)objects
|
|
if (IsInstanceMethod && ReturnTypeMatchesVoid) {
|
|
std::string SelectorName = (llvm::Twine("add") + UpperKey).str();
|
|
IdentifierInfo *SelectorId = &Context.Idents.get(SelectorName);
|
|
if (!KnownMethods.count(Selectors.getUnarySelector(SelectorId))) {
|
|
if (ReturnType.isNull()) {
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddTextChunk("void");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
}
|
|
|
|
Builder.AddTypedTextChunk(Allocator.CopyString(SelectorName + ":"));
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddTextChunk("NSSet *");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
Builder.AddTextChunk("objects");
|
|
Results.AddResult(Result(Builder.TakeString(), UnorderedSetterPriority,
|
|
CXCursor_ObjCInstanceMethodDecl));
|
|
}
|
|
}
|
|
|
|
// - (void)removeKeyObject:(type *)object
|
|
if (IsInstanceMethod && ReturnTypeMatchesVoid) {
|
|
std::string SelectorName
|
|
= (llvm::Twine("remove") + UpperKey + llvm::Twine("Object")).str();
|
|
IdentifierInfo *SelectorId = &Context.Idents.get(SelectorName);
|
|
if (!KnownMethods.count(Selectors.getUnarySelector(SelectorId))) {
|
|
if (ReturnType.isNull()) {
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddTextChunk("void");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
}
|
|
|
|
Builder.AddTypedTextChunk(Allocator.CopyString(SelectorName + ":"));
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddPlaceholderChunk("object-type");
|
|
Builder.AddTextChunk(" *");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
Builder.AddTextChunk("object");
|
|
Results.AddResult(Result(Builder.TakeString(), UnorderedSetterPriority,
|
|
CXCursor_ObjCInstanceMethodDecl));
|
|
}
|
|
}
|
|
|
|
// - (void)removeKey:(NSSet *)objects
|
|
if (IsInstanceMethod && ReturnTypeMatchesVoid) {
|
|
std::string SelectorName = (llvm::Twine("remove") + UpperKey).str();
|
|
IdentifierInfo *SelectorId = &Context.Idents.get(SelectorName);
|
|
if (!KnownMethods.count(Selectors.getUnarySelector(SelectorId))) {
|
|
if (ReturnType.isNull()) {
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddTextChunk("void");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
}
|
|
|
|
Builder.AddTypedTextChunk(Allocator.CopyString(SelectorName + ":"));
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddTextChunk("NSSet *");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
Builder.AddTextChunk("objects");
|
|
Results.AddResult(Result(Builder.TakeString(), UnorderedSetterPriority,
|
|
CXCursor_ObjCInstanceMethodDecl));
|
|
}
|
|
}
|
|
|
|
// - (void)intersectKey:(NSSet *)objects
|
|
if (IsInstanceMethod && ReturnTypeMatchesVoid) {
|
|
std::string SelectorName = (llvm::Twine("intersect") + UpperKey).str();
|
|
IdentifierInfo *SelectorId = &Context.Idents.get(SelectorName);
|
|
if (!KnownMethods.count(Selectors.getUnarySelector(SelectorId))) {
|
|
if (ReturnType.isNull()) {
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddTextChunk("void");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
}
|
|
|
|
Builder.AddTypedTextChunk(Allocator.CopyString(SelectorName + ":"));
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddTextChunk("NSSet *");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
Builder.AddTextChunk("objects");
|
|
Results.AddResult(Result(Builder.TakeString(), UnorderedSetterPriority,
|
|
CXCursor_ObjCInstanceMethodDecl));
|
|
}
|
|
}
|
|
|
|
// Key-Value Observing
|
|
// + (NSSet *)keyPathsForValuesAffectingKey
|
|
if (!IsInstanceMethod &&
|
|
(ReturnType.isNull() ||
|
|
(ReturnType->isObjCObjectPointerType() &&
|
|
ReturnType->getAs<ObjCObjectPointerType>()->getInterfaceDecl() &&
|
|
ReturnType->getAs<ObjCObjectPointerType>()->getInterfaceDecl()
|
|
->getName() == "NSSet"))) {
|
|
std::string SelectorName
|
|
= (llvm::Twine("keyPathsForValuesAffecting") + UpperKey).str();
|
|
IdentifierInfo *SelectorId = &Context.Idents.get(SelectorName);
|
|
if (!KnownMethods.count(Selectors.getNullarySelector(SelectorId))) {
|
|
if (ReturnType.isNull()) {
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddTextChunk("NSSet *");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
}
|
|
|
|
Builder.AddTypedTextChunk(Allocator.CopyString(SelectorName));
|
|
Results.AddResult(Result(Builder.TakeString(), CCP_CodePattern,
|
|
CXCursor_ObjCInstanceMethodDecl));
|
|
}
|
|
}
|
|
}
|
|
|
|
void Sema::CodeCompleteObjCMethodDecl(Scope *S,
|
|
bool IsInstanceMethod,
|
|
ParsedType ReturnTy,
|
|
Decl *IDecl) {
|
|
// Determine the return type of the method we're declaring, if
|
|
// provided.
|
|
QualType ReturnType = GetTypeFromParser(ReturnTy);
|
|
|
|
// Determine where we should start searching for methods.
|
|
ObjCContainerDecl *SearchDecl = 0;
|
|
bool IsInImplementation = false;
|
|
if (Decl *D = IDecl) {
|
|
if (ObjCImplementationDecl *Impl = dyn_cast<ObjCImplementationDecl>(D)) {
|
|
SearchDecl = Impl->getClassInterface();
|
|
IsInImplementation = true;
|
|
} else if (ObjCCategoryImplDecl *CatImpl
|
|
= dyn_cast<ObjCCategoryImplDecl>(D)) {
|
|
SearchDecl = CatImpl->getCategoryDecl();
|
|
IsInImplementation = true;
|
|
} else
|
|
SearchDecl = dyn_cast<ObjCContainerDecl>(D);
|
|
}
|
|
|
|
if (!SearchDecl && S) {
|
|
if (DeclContext *DC = static_cast<DeclContext *>(S->getEntity()))
|
|
SearchDecl = dyn_cast<ObjCContainerDecl>(DC);
|
|
}
|
|
|
|
if (!SearchDecl) {
|
|
HandleCodeCompleteResults(this, CodeCompleter,
|
|
CodeCompletionContext::CCC_Other,
|
|
0, 0);
|
|
return;
|
|
}
|
|
|
|
// Find all of the methods that we could declare/implement here.
|
|
KnownMethodsMap KnownMethods;
|
|
FindImplementableMethods(Context, SearchDecl, IsInstanceMethod,
|
|
ReturnType, KnownMethods);
|
|
|
|
// Add declarations or definitions for each of the known methods.
|
|
typedef CodeCompletionResult Result;
|
|
ResultBuilder Results(*this, CodeCompleter->getAllocator(),
|
|
CodeCompletionContext::CCC_Other);
|
|
Results.EnterNewScope();
|
|
PrintingPolicy Policy(Context.PrintingPolicy);
|
|
Policy.AnonymousTagLocations = false;
|
|
for (KnownMethodsMap::iterator M = KnownMethods.begin(),
|
|
MEnd = KnownMethods.end();
|
|
M != MEnd; ++M) {
|
|
ObjCMethodDecl *Method = M->second.first;
|
|
CodeCompletionBuilder Builder(Results.getAllocator());
|
|
|
|
// If the result type was not already provided, add it to the
|
|
// pattern as (type).
|
|
if (ReturnType.isNull())
|
|
AddObjCPassingTypeChunk(Method->getResultType(), Context, Builder);
|
|
|
|
Selector Sel = Method->getSelector();
|
|
|
|
// Add the first part of the selector to the pattern.
|
|
Builder.AddTypedTextChunk(Builder.getAllocator().CopyString(
|
|
Sel.getNameForSlot(0)));
|
|
|
|
// Add parameters to the pattern.
|
|
unsigned I = 0;
|
|
for (ObjCMethodDecl::param_iterator P = Method->param_begin(),
|
|
PEnd = Method->param_end();
|
|
P != PEnd; (void)++P, ++I) {
|
|
// Add the part of the selector name.
|
|
if (I == 0)
|
|
Builder.AddTypedTextChunk(":");
|
|
else if (I < Sel.getNumArgs()) {
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddTypedTextChunk(
|
|
Builder.getAllocator().CopyString(Sel.getNameForSlot(I) + ":"));
|
|
} else
|
|
break;
|
|
|
|
// Add the parameter type.
|
|
AddObjCPassingTypeChunk((*P)->getOriginalType(), Context, Builder);
|
|
|
|
if (IdentifierInfo *Id = (*P)->getIdentifier())
|
|
Builder.AddTextChunk(Builder.getAllocator().CopyString( Id->getName()));
|
|
}
|
|
|
|
if (Method->isVariadic()) {
|
|
if (Method->param_size() > 0)
|
|
Builder.AddChunk(CodeCompletionString::CK_Comma);
|
|
Builder.AddTextChunk("...");
|
|
}
|
|
|
|
if (IsInImplementation && Results.includeCodePatterns()) {
|
|
// We will be defining the method here, so add a compound statement.
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftBrace);
|
|
Builder.AddChunk(CodeCompletionString::CK_VerticalSpace);
|
|
if (!Method->getResultType()->isVoidType()) {
|
|
// If the result type is not void, add a return clause.
|
|
Builder.AddTextChunk("return");
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddPlaceholderChunk("expression");
|
|
Builder.AddChunk(CodeCompletionString::CK_SemiColon);
|
|
} else
|
|
Builder.AddPlaceholderChunk("statements");
|
|
|
|
Builder.AddChunk(CodeCompletionString::CK_VerticalSpace);
|
|
Builder.AddChunk(CodeCompletionString::CK_RightBrace);
|
|
}
|
|
|
|
unsigned Priority = CCP_CodePattern;
|
|
if (!M->second.second)
|
|
Priority += CCD_InBaseClass;
|
|
|
|
Results.AddResult(Result(Builder.TakeString(), Priority,
|
|
Method->isInstanceMethod()
|
|
? CXCursor_ObjCInstanceMethodDecl
|
|
: CXCursor_ObjCClassMethodDecl));
|
|
}
|
|
|
|
// Add Key-Value-Coding and Key-Value-Observing accessor methods for all of
|
|
// the properties in this class and its categories.
|
|
if (Context.getLangOptions().ObjC2) {
|
|
llvm::SmallVector<ObjCContainerDecl *, 4> Containers;
|
|
Containers.push_back(SearchDecl);
|
|
|
|
ObjCInterfaceDecl *IFace = dyn_cast<ObjCInterfaceDecl>(SearchDecl);
|
|
if (!IFace)
|
|
if (ObjCCategoryDecl *Category = dyn_cast<ObjCCategoryDecl>(SearchDecl))
|
|
IFace = Category->getClassInterface();
|
|
|
|
if (IFace) {
|
|
for (ObjCCategoryDecl *Category = IFace->getCategoryList(); Category;
|
|
Category = Category->getNextClassCategory())
|
|
Containers.push_back(Category);
|
|
}
|
|
|
|
for (unsigned I = 0, N = Containers.size(); I != N; ++I) {
|
|
for (ObjCContainerDecl::prop_iterator P = Containers[I]->prop_begin(),
|
|
PEnd = Containers[I]->prop_end();
|
|
P != PEnd; ++P) {
|
|
AddObjCKeyValueCompletions(*P, IsInstanceMethod, ReturnType, Context,
|
|
KnownMethods, Results);
|
|
}
|
|
}
|
|
}
|
|
|
|
Results.ExitScope();
|
|
|
|
HandleCodeCompleteResults(this, CodeCompleter,
|
|
CodeCompletionContext::CCC_Other,
|
|
Results.data(),Results.size());
|
|
}
|
|
|
|
void Sema::CodeCompleteObjCMethodDeclSelector(Scope *S,
|
|
bool IsInstanceMethod,
|
|
bool AtParameterName,
|
|
ParsedType ReturnTy,
|
|
IdentifierInfo **SelIdents,
|
|
unsigned NumSelIdents) {
|
|
// If we have an external source, load the entire class method
|
|
// pool from the AST file.
|
|
if (ExternalSource) {
|
|
for (uint32_t I = 0, N = ExternalSource->GetNumExternalSelectors();
|
|
I != N; ++I) {
|
|
Selector Sel = ExternalSource->GetExternalSelector(I);
|
|
if (Sel.isNull() || MethodPool.count(Sel))
|
|
continue;
|
|
|
|
ReadMethodPool(Sel);
|
|
}
|
|
}
|
|
|
|
// Build the set of methods we can see.
|
|
typedef CodeCompletionResult Result;
|
|
ResultBuilder Results(*this, CodeCompleter->getAllocator(),
|
|
CodeCompletionContext::CCC_Other);
|
|
|
|
if (ReturnTy)
|
|
Results.setPreferredType(GetTypeFromParser(ReturnTy).getNonReferenceType());
|
|
|
|
Results.EnterNewScope();
|
|
for (GlobalMethodPool::iterator M = MethodPool.begin(),
|
|
MEnd = MethodPool.end();
|
|
M != MEnd; ++M) {
|
|
for (ObjCMethodList *MethList = IsInstanceMethod ? &M->second.first :
|
|
&M->second.second;
|
|
MethList && MethList->Method;
|
|
MethList = MethList->Next) {
|
|
if (!isAcceptableObjCMethod(MethList->Method, MK_Any, SelIdents,
|
|
NumSelIdents))
|
|
continue;
|
|
|
|
if (AtParameterName) {
|
|
// Suggest parameter names we've seen before.
|
|
if (NumSelIdents && NumSelIdents <= MethList->Method->param_size()) {
|
|
ParmVarDecl *Param = MethList->Method->param_begin()[NumSelIdents-1];
|
|
if (Param->getIdentifier()) {
|
|
CodeCompletionBuilder Builder(Results.getAllocator());
|
|
Builder.AddTypedTextChunk(Builder.getAllocator().CopyString(
|
|
Param->getIdentifier()->getName()));
|
|
Results.AddResult(Builder.TakeString());
|
|
}
|
|
}
|
|
|
|
continue;
|
|
}
|
|
|
|
Result R(MethList->Method, 0);
|
|
R.StartParameter = NumSelIdents;
|
|
R.AllParametersAreInformative = false;
|
|
R.DeclaringEntity = true;
|
|
Results.MaybeAddResult(R, CurContext);
|
|
}
|
|
}
|
|
|
|
Results.ExitScope();
|
|
HandleCodeCompleteResults(this, CodeCompleter,
|
|
CodeCompletionContext::CCC_Other,
|
|
Results.data(),Results.size());
|
|
}
|
|
|
|
void Sema::CodeCompletePreprocessorDirective(bool InConditional) {
|
|
ResultBuilder Results(*this, CodeCompleter->getAllocator(),
|
|
CodeCompletionContext::CCC_PreprocessorDirective);
|
|
Results.EnterNewScope();
|
|
|
|
// #if <condition>
|
|
CodeCompletionBuilder Builder(Results.getAllocator());
|
|
Builder.AddTypedTextChunk("if");
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddPlaceholderChunk("condition");
|
|
Results.AddResult(Builder.TakeString());
|
|
|
|
// #ifdef <macro>
|
|
Builder.AddTypedTextChunk("ifdef");
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddPlaceholderChunk("macro");
|
|
Results.AddResult(Builder.TakeString());
|
|
|
|
// #ifndef <macro>
|
|
Builder.AddTypedTextChunk("ifndef");
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddPlaceholderChunk("macro");
|
|
Results.AddResult(Builder.TakeString());
|
|
|
|
if (InConditional) {
|
|
// #elif <condition>
|
|
Builder.AddTypedTextChunk("elif");
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddPlaceholderChunk("condition");
|
|
Results.AddResult(Builder.TakeString());
|
|
|
|
// #else
|
|
Builder.AddTypedTextChunk("else");
|
|
Results.AddResult(Builder.TakeString());
|
|
|
|
// #endif
|
|
Builder.AddTypedTextChunk("endif");
|
|
Results.AddResult(Builder.TakeString());
|
|
}
|
|
|
|
// #include "header"
|
|
Builder.AddTypedTextChunk("include");
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddTextChunk("\"");
|
|
Builder.AddPlaceholderChunk("header");
|
|
Builder.AddTextChunk("\"");
|
|
Results.AddResult(Builder.TakeString());
|
|
|
|
// #include <header>
|
|
Builder.AddTypedTextChunk("include");
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddTextChunk("<");
|
|
Builder.AddPlaceholderChunk("header");
|
|
Builder.AddTextChunk(">");
|
|
Results.AddResult(Builder.TakeString());
|
|
|
|
// #define <macro>
|
|
Builder.AddTypedTextChunk("define");
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddPlaceholderChunk("macro");
|
|
Results.AddResult(Builder.TakeString());
|
|
|
|
// #define <macro>(<args>)
|
|
Builder.AddTypedTextChunk("define");
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddPlaceholderChunk("macro");
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddPlaceholderChunk("args");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
Results.AddResult(Builder.TakeString());
|
|
|
|
// #undef <macro>
|
|
Builder.AddTypedTextChunk("undef");
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddPlaceholderChunk("macro");
|
|
Results.AddResult(Builder.TakeString());
|
|
|
|
// #line <number>
|
|
Builder.AddTypedTextChunk("line");
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddPlaceholderChunk("number");
|
|
Results.AddResult(Builder.TakeString());
|
|
|
|
// #line <number> "filename"
|
|
Builder.AddTypedTextChunk("line");
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddPlaceholderChunk("number");
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddTextChunk("\"");
|
|
Builder.AddPlaceholderChunk("filename");
|
|
Builder.AddTextChunk("\"");
|
|
Results.AddResult(Builder.TakeString());
|
|
|
|
// #error <message>
|
|
Builder.AddTypedTextChunk("error");
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddPlaceholderChunk("message");
|
|
Results.AddResult(Builder.TakeString());
|
|
|
|
// #pragma <arguments>
|
|
Builder.AddTypedTextChunk("pragma");
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddPlaceholderChunk("arguments");
|
|
Results.AddResult(Builder.TakeString());
|
|
|
|
if (getLangOptions().ObjC1) {
|
|
// #import "header"
|
|
Builder.AddTypedTextChunk("import");
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddTextChunk("\"");
|
|
Builder.AddPlaceholderChunk("header");
|
|
Builder.AddTextChunk("\"");
|
|
Results.AddResult(Builder.TakeString());
|
|
|
|
// #import <header>
|
|
Builder.AddTypedTextChunk("import");
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddTextChunk("<");
|
|
Builder.AddPlaceholderChunk("header");
|
|
Builder.AddTextChunk(">");
|
|
Results.AddResult(Builder.TakeString());
|
|
}
|
|
|
|
// #include_next "header"
|
|
Builder.AddTypedTextChunk("include_next");
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddTextChunk("\"");
|
|
Builder.AddPlaceholderChunk("header");
|
|
Builder.AddTextChunk("\"");
|
|
Results.AddResult(Builder.TakeString());
|
|
|
|
// #include_next <header>
|
|
Builder.AddTypedTextChunk("include_next");
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddTextChunk("<");
|
|
Builder.AddPlaceholderChunk("header");
|
|
Builder.AddTextChunk(">");
|
|
Results.AddResult(Builder.TakeString());
|
|
|
|
// #warning <message>
|
|
Builder.AddTypedTextChunk("warning");
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddPlaceholderChunk("message");
|
|
Results.AddResult(Builder.TakeString());
|
|
|
|
// Note: #ident and #sccs are such crazy anachronisms that we don't provide
|
|
// completions for them. And __include_macros is a Clang-internal extension
|
|
// that we don't want to encourage anyone to use.
|
|
|
|
// FIXME: we don't support #assert or #unassert, so don't suggest them.
|
|
Results.ExitScope();
|
|
|
|
HandleCodeCompleteResults(this, CodeCompleter,
|
|
CodeCompletionContext::CCC_PreprocessorDirective,
|
|
Results.data(), Results.size());
|
|
}
|
|
|
|
void Sema::CodeCompleteInPreprocessorConditionalExclusion(Scope *S) {
|
|
CodeCompleteOrdinaryName(S,
|
|
S->getFnParent()? Sema::PCC_RecoveryInFunction
|
|
: Sema::PCC_Namespace);
|
|
}
|
|
|
|
void Sema::CodeCompletePreprocessorMacroName(bool IsDefinition) {
|
|
ResultBuilder Results(*this, CodeCompleter->getAllocator(),
|
|
IsDefinition? CodeCompletionContext::CCC_MacroName
|
|
: CodeCompletionContext::CCC_MacroNameUse);
|
|
if (!IsDefinition && (!CodeCompleter || CodeCompleter->includeMacros())) {
|
|
// Add just the names of macros, not their arguments.
|
|
CodeCompletionBuilder Builder(Results.getAllocator());
|
|
Results.EnterNewScope();
|
|
for (Preprocessor::macro_iterator M = PP.macro_begin(),
|
|
MEnd = PP.macro_end();
|
|
M != MEnd; ++M) {
|
|
Builder.AddTypedTextChunk(Builder.getAllocator().CopyString(
|
|
M->first->getName()));
|
|
Results.AddResult(Builder.TakeString());
|
|
}
|
|
Results.ExitScope();
|
|
} else if (IsDefinition) {
|
|
// FIXME: Can we detect when the user just wrote an include guard above?
|
|
}
|
|
|
|
HandleCodeCompleteResults(this, CodeCompleter, Results.getCompletionContext(),
|
|
Results.data(), Results.size());
|
|
}
|
|
|
|
void Sema::CodeCompletePreprocessorExpression() {
|
|
ResultBuilder Results(*this, CodeCompleter->getAllocator(),
|
|
CodeCompletionContext::CCC_PreprocessorExpression);
|
|
|
|
if (!CodeCompleter || CodeCompleter->includeMacros())
|
|
AddMacroResults(PP, Results);
|
|
|
|
// defined (<macro>)
|
|
Results.EnterNewScope();
|
|
CodeCompletionBuilder Builder(Results.getAllocator());
|
|
Builder.AddTypedTextChunk("defined");
|
|
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
|
|
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
|
|
Builder.AddPlaceholderChunk("macro");
|
|
Builder.AddChunk(CodeCompletionString::CK_RightParen);
|
|
Results.AddResult(Builder.TakeString());
|
|
Results.ExitScope();
|
|
|
|
HandleCodeCompleteResults(this, CodeCompleter,
|
|
CodeCompletionContext::CCC_PreprocessorExpression,
|
|
Results.data(), Results.size());
|
|
}
|
|
|
|
void Sema::CodeCompletePreprocessorMacroArgument(Scope *S,
|
|
IdentifierInfo *Macro,
|
|
MacroInfo *MacroInfo,
|
|
unsigned Argument) {
|
|
// FIXME: In the future, we could provide "overload" results, much like we
|
|
// do for function calls.
|
|
|
|
CodeCompleteOrdinaryName(S,
|
|
S->getFnParent()? Sema::PCC_RecoveryInFunction
|
|
: Sema::PCC_Namespace);
|
|
}
|
|
|
|
void Sema::CodeCompleteNaturalLanguage() {
|
|
HandleCodeCompleteResults(this, CodeCompleter,
|
|
CodeCompletionContext::CCC_NaturalLanguage,
|
|
0, 0);
|
|
}
|
|
|
|
void Sema::GatherGlobalCodeCompletions(CodeCompletionAllocator &Allocator,
|
|
llvm::SmallVectorImpl<CodeCompletionResult> &Results) {
|
|
ResultBuilder Builder(*this, Allocator, CodeCompletionContext::CCC_Recovery);
|
|
if (!CodeCompleter || CodeCompleter->includeGlobals()) {
|
|
CodeCompletionDeclConsumer Consumer(Builder,
|
|
Context.getTranslationUnitDecl());
|
|
LookupVisibleDecls(Context.getTranslationUnitDecl(), LookupAnyName,
|
|
Consumer);
|
|
}
|
|
|
|
if (!CodeCompleter || CodeCompleter->includeMacros())
|
|
AddMacroResults(PP, Builder);
|
|
|
|
Results.clear();
|
|
Results.insert(Results.end(),
|
|
Builder.data(), Builder.data() + Builder.size());
|
|
}
|