forked from OSchip/llvm-project
5649 lines
191 KiB
C++
5649 lines
191 KiB
C++
//===- CIndex.cpp - Clang-C Source Indexing Library -----------------------===//
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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 implements the main API hooks in the Clang-C Source Indexing
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// library.
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//
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//===----------------------------------------------------------------------===//
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#include "CIndexer.h"
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#include "CXCursor.h"
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#include "CXTranslationUnit.h"
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#include "CXString.h"
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#include "CXType.h"
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#include "CXSourceLocation.h"
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#include "CIndexDiagnostic.h"
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#include "clang/Basic/Version.h"
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#include "clang/AST/DeclVisitor.h"
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#include "clang/AST/StmtVisitor.h"
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#include "clang/AST/TypeLocVisitor.h"
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#include "clang/Basic/Diagnostic.h"
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#include "clang/Frontend/ASTUnit.h"
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#include "clang/Frontend/CompilerInstance.h"
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#include "clang/Frontend/FrontendDiagnostic.h"
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#include "clang/Lex/Lexer.h"
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#include "clang/Lex/HeaderSearch.h"
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#include "clang/Lex/PreprocessingRecord.h"
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#include "clang/Lex/Preprocessor.h"
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#include "llvm/ADT/STLExtras.h"
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#include "llvm/ADT/Optional.h"
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#include "llvm/ADT/StringSwitch.h"
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#include "clang/Analysis/Support/SaveAndRestore.h"
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#include "llvm/Support/CrashRecoveryContext.h"
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#include "llvm/Support/PrettyStackTrace.h"
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#include "llvm/Support/MemoryBuffer.h"
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#include "llvm/Support/raw_ostream.h"
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#include "llvm/Support/Timer.h"
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#include "llvm/Support/Mutex.h"
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#include "llvm/Support/Program.h"
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#include "llvm/Support/Signals.h"
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#include "llvm/Support/Threading.h"
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#include "llvm/Support/Compiler.h"
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using namespace clang;
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using namespace clang::cxcursor;
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using namespace clang::cxstring;
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static CXTranslationUnit MakeCXTranslationUnit(ASTUnit *TU) {
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if (!TU)
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return 0;
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CXTranslationUnit D = new CXTranslationUnitImpl();
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D->TUData = TU;
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D->StringPool = createCXStringPool();
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return D;
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}
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/// \brief The result of comparing two source ranges.
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enum RangeComparisonResult {
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/// \brief Either the ranges overlap or one of the ranges is invalid.
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RangeOverlap,
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/// \brief The first range ends before the second range starts.
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RangeBefore,
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/// \brief The first range starts after the second range ends.
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RangeAfter
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};
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/// \brief Compare two source ranges to determine their relative position in
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/// the translation unit.
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static RangeComparisonResult RangeCompare(SourceManager &SM,
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SourceRange R1,
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SourceRange R2) {
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assert(R1.isValid() && "First range is invalid?");
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assert(R2.isValid() && "Second range is invalid?");
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if (R1.getEnd() != R2.getBegin() &&
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SM.isBeforeInTranslationUnit(R1.getEnd(), R2.getBegin()))
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return RangeBefore;
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if (R2.getEnd() != R1.getBegin() &&
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SM.isBeforeInTranslationUnit(R2.getEnd(), R1.getBegin()))
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return RangeAfter;
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return RangeOverlap;
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}
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/// \brief Determine if a source location falls within, before, or after a
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/// a given source range.
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static RangeComparisonResult LocationCompare(SourceManager &SM,
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SourceLocation L, SourceRange R) {
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assert(R.isValid() && "First range is invalid?");
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assert(L.isValid() && "Second range is invalid?");
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if (L == R.getBegin() || L == R.getEnd())
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return RangeOverlap;
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if (SM.isBeforeInTranslationUnit(L, R.getBegin()))
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return RangeBefore;
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if (SM.isBeforeInTranslationUnit(R.getEnd(), L))
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return RangeAfter;
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return RangeOverlap;
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}
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/// \brief Translate a Clang source range into a CIndex source range.
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///
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/// Clang internally represents ranges where the end location points to the
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/// start of the token at the end. However, for external clients it is more
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/// useful to have a CXSourceRange be a proper half-open interval. This routine
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/// does the appropriate translation.
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CXSourceRange cxloc::translateSourceRange(const SourceManager &SM,
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const LangOptions &LangOpts,
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const CharSourceRange &R) {
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// We want the last character in this location, so we will adjust the
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// location accordingly.
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SourceLocation EndLoc = R.getEnd();
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if (EndLoc.isValid() && EndLoc.isMacroID())
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EndLoc = SM.getExpansionRange(EndLoc).second;
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if (R.isTokenRange() && !EndLoc.isInvalid() && EndLoc.isFileID()) {
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unsigned Length = Lexer::MeasureTokenLength(EndLoc, SM, LangOpts);
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EndLoc = EndLoc.getLocWithOffset(Length);
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}
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CXSourceRange Result = { { (void *)&SM, (void *)&LangOpts },
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R.getBegin().getRawEncoding(),
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EndLoc.getRawEncoding() };
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return Result;
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}
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//===----------------------------------------------------------------------===//
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// Cursor visitor.
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//===----------------------------------------------------------------------===//
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namespace {
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class VisitorJob {
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public:
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enum Kind { DeclVisitKind, StmtVisitKind, MemberExprPartsKind,
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TypeLocVisitKind, OverloadExprPartsKind,
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DeclRefExprPartsKind, LabelRefVisitKind,
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ExplicitTemplateArgsVisitKind,
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NestedNameSpecifierLocVisitKind,
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DeclarationNameInfoVisitKind,
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MemberRefVisitKind, SizeOfPackExprPartsKind };
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protected:
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void *data[3];
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CXCursor parent;
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Kind K;
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VisitorJob(CXCursor C, Kind k, void *d1, void *d2 = 0, void *d3 = 0)
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: parent(C), K(k) {
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data[0] = d1;
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data[1] = d2;
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data[2] = d3;
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}
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public:
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Kind getKind() const { return K; }
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const CXCursor &getParent() const { return parent; }
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static bool classof(VisitorJob *VJ) { return true; }
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};
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typedef SmallVector<VisitorJob, 10> VisitorWorkList;
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// Cursor visitor.
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class CursorVisitor : public DeclVisitor<CursorVisitor, bool>,
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public TypeLocVisitor<CursorVisitor, bool>
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{
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/// \brief The translation unit we are traversing.
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CXTranslationUnit TU;
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ASTUnit *AU;
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/// \brief The parent cursor whose children we are traversing.
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CXCursor Parent;
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/// \brief The declaration that serves at the parent of any statement or
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/// expression nodes.
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Decl *StmtParent;
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/// \brief The visitor function.
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CXCursorVisitor Visitor;
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/// \brief The opaque client data, to be passed along to the visitor.
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CXClientData ClientData;
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/// \brief Whether we should visit the preprocessing record entries last,
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/// after visiting other declarations.
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bool VisitPreprocessorLast;
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/// \brief When valid, a source range to which the cursor should restrict
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/// its search.
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SourceRange RegionOfInterest;
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// FIXME: Eventually remove. This part of a hack to support proper
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// iteration over all Decls contained lexically within an ObjC container.
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DeclContext::decl_iterator *DI_current;
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DeclContext::decl_iterator DE_current;
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// Cache of pre-allocated worklists for data-recursion walk of Stmts.
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SmallVector<VisitorWorkList*, 5> WorkListFreeList;
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SmallVector<VisitorWorkList*, 5> WorkListCache;
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using DeclVisitor<CursorVisitor, bool>::Visit;
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using TypeLocVisitor<CursorVisitor, bool>::Visit;
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/// \brief Determine whether this particular source range comes before, comes
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/// after, or overlaps the region of interest.
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///
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/// \param R a half-open source range retrieved from the abstract syntax tree.
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RangeComparisonResult CompareRegionOfInterest(SourceRange R);
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class SetParentRAII {
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CXCursor &Parent;
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Decl *&StmtParent;
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CXCursor OldParent;
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public:
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SetParentRAII(CXCursor &Parent, Decl *&StmtParent, CXCursor NewParent)
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: Parent(Parent), StmtParent(StmtParent), OldParent(Parent)
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{
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Parent = NewParent;
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if (clang_isDeclaration(Parent.kind))
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StmtParent = getCursorDecl(Parent);
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}
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~SetParentRAII() {
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Parent = OldParent;
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if (clang_isDeclaration(Parent.kind))
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StmtParent = getCursorDecl(Parent);
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}
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};
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public:
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CursorVisitor(CXTranslationUnit TU, CXCursorVisitor Visitor,
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CXClientData ClientData,
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bool VisitPreprocessorLast,
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SourceRange RegionOfInterest = SourceRange())
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: TU(TU), AU(static_cast<ASTUnit*>(TU->TUData)),
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Visitor(Visitor), ClientData(ClientData),
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VisitPreprocessorLast(VisitPreprocessorLast),
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RegionOfInterest(RegionOfInterest), DI_current(0)
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{
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Parent.kind = CXCursor_NoDeclFound;
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Parent.data[0] = 0;
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Parent.data[1] = 0;
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Parent.data[2] = 0;
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StmtParent = 0;
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}
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~CursorVisitor() {
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// Free the pre-allocated worklists for data-recursion.
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for (SmallVectorImpl<VisitorWorkList*>::iterator
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I = WorkListCache.begin(), E = WorkListCache.end(); I != E; ++I) {
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delete *I;
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}
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}
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ASTUnit *getASTUnit() const { return static_cast<ASTUnit*>(TU->TUData); }
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CXTranslationUnit getTU() const { return TU; }
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bool Visit(CXCursor Cursor, bool CheckedRegionOfInterest = false);
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bool visitPreprocessedEntitiesInRegion();
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template<typename InputIterator>
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bool visitPreprocessedEntities(InputIterator First, InputIterator Last);
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bool VisitChildren(CXCursor Parent);
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// Declaration visitors
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bool VisitTypeAliasDecl(TypeAliasDecl *D);
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bool VisitAttributes(Decl *D);
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bool VisitBlockDecl(BlockDecl *B);
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bool VisitCXXRecordDecl(CXXRecordDecl *D);
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llvm::Optional<bool> shouldVisitCursor(CXCursor C);
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bool VisitDeclContext(DeclContext *DC);
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bool VisitTranslationUnitDecl(TranslationUnitDecl *D);
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bool VisitTypedefDecl(TypedefDecl *D);
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bool VisitTagDecl(TagDecl *D);
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bool VisitClassTemplateSpecializationDecl(ClassTemplateSpecializationDecl *D);
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bool VisitClassTemplatePartialSpecializationDecl(
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ClassTemplatePartialSpecializationDecl *D);
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bool VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D);
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bool VisitEnumConstantDecl(EnumConstantDecl *D);
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bool VisitDeclaratorDecl(DeclaratorDecl *DD);
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bool VisitFunctionDecl(FunctionDecl *ND);
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bool VisitFieldDecl(FieldDecl *D);
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bool VisitVarDecl(VarDecl *);
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bool VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl *D);
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bool VisitFunctionTemplateDecl(FunctionTemplateDecl *D);
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bool VisitClassTemplateDecl(ClassTemplateDecl *D);
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bool VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D);
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bool VisitObjCMethodDecl(ObjCMethodDecl *ND);
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bool VisitObjCContainerDecl(ObjCContainerDecl *D);
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bool VisitObjCCategoryDecl(ObjCCategoryDecl *ND);
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bool VisitObjCProtocolDecl(ObjCProtocolDecl *PID);
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bool VisitObjCPropertyDecl(ObjCPropertyDecl *PD);
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bool VisitObjCInterfaceDecl(ObjCInterfaceDecl *D);
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bool VisitObjCImplDecl(ObjCImplDecl *D);
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bool VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D);
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bool VisitObjCImplementationDecl(ObjCImplementationDecl *D);
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// FIXME: ObjCCompatibleAliasDecl requires aliased-class locations.
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bool VisitObjCForwardProtocolDecl(ObjCForwardProtocolDecl *D);
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bool VisitObjCClassDecl(ObjCClassDecl *D);
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bool VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *PD);
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bool VisitLinkageSpecDecl(LinkageSpecDecl *D);
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bool VisitNamespaceDecl(NamespaceDecl *D);
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bool VisitNamespaceAliasDecl(NamespaceAliasDecl *D);
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bool VisitUsingDirectiveDecl(UsingDirectiveDecl *D);
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bool VisitUsingDecl(UsingDecl *D);
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bool VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D);
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bool VisitUnresolvedUsingTypenameDecl(UnresolvedUsingTypenameDecl *D);
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// Name visitor
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bool VisitDeclarationNameInfo(DeclarationNameInfo Name);
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bool VisitNestedNameSpecifier(NestedNameSpecifier *NNS, SourceRange Range);
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bool VisitNestedNameSpecifierLoc(NestedNameSpecifierLoc NNS);
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// Template visitors
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bool VisitTemplateParameters(const TemplateParameterList *Params);
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bool VisitTemplateName(TemplateName Name, SourceLocation Loc);
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bool VisitTemplateArgumentLoc(const TemplateArgumentLoc &TAL);
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// Type visitors
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#define ABSTRACT_TYPELOC(CLASS, PARENT)
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#define TYPELOC(CLASS, PARENT) \
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bool Visit##CLASS##TypeLoc(CLASS##TypeLoc TyLoc);
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#include "clang/AST/TypeLocNodes.def"
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bool VisitTagTypeLoc(TagTypeLoc TL);
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bool VisitArrayTypeLoc(ArrayTypeLoc TL);
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bool VisitFunctionTypeLoc(FunctionTypeLoc TL, bool SkipResultType = false);
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// Data-recursive visitor functions.
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bool IsInRegionOfInterest(CXCursor C);
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bool RunVisitorWorkList(VisitorWorkList &WL);
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void EnqueueWorkList(VisitorWorkList &WL, Stmt *S);
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LLVM_ATTRIBUTE_NOINLINE bool Visit(Stmt *S);
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};
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} // end anonymous namespace
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static SourceRange getRawCursorExtent(CXCursor C);
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static SourceRange getFullCursorExtent(CXCursor C, SourceManager &SrcMgr);
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RangeComparisonResult CursorVisitor::CompareRegionOfInterest(SourceRange R) {
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return RangeCompare(AU->getSourceManager(), R, RegionOfInterest);
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}
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/// \brief Visit the given cursor and, if requested by the visitor,
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/// its children.
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///
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/// \param Cursor the cursor to visit.
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///
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/// \param CheckRegionOfInterest if true, then the caller already checked that
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/// this cursor is within the region of interest.
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///
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/// \returns true if the visitation should be aborted, false if it
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/// should continue.
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bool CursorVisitor::Visit(CXCursor Cursor, bool CheckedRegionOfInterest) {
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if (clang_isInvalid(Cursor.kind))
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return false;
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if (clang_isDeclaration(Cursor.kind)) {
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Decl *D = getCursorDecl(Cursor);
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assert(D && "Invalid declaration cursor");
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if (D->isImplicit())
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return false;
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}
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// If we have a range of interest, and this cursor doesn't intersect with it,
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// we're done.
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if (RegionOfInterest.isValid() && !CheckedRegionOfInterest) {
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SourceRange Range = getRawCursorExtent(Cursor);
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if (Range.isInvalid() || CompareRegionOfInterest(Range))
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return false;
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}
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switch (Visitor(Cursor, Parent, ClientData)) {
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case CXChildVisit_Break:
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return true;
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case CXChildVisit_Continue:
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return false;
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case CXChildVisit_Recurse:
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return VisitChildren(Cursor);
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}
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return false;
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}
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bool CursorVisitor::visitPreprocessedEntitiesInRegion() {
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PreprocessingRecord &PPRec
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= *AU->getPreprocessor().getPreprocessingRecord();
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if (RegionOfInterest.isValid()) {
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std::pair<PreprocessingRecord::iterator, PreprocessingRecord::iterator>
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Entities = PPRec.getPreprocessedEntitiesInRange(RegionOfInterest);
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return visitPreprocessedEntities(Entities.first, Entities.second);
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}
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bool OnlyLocalDecls
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= !AU->isMainFileAST() && AU->getOnlyLocalDecls();
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if (OnlyLocalDecls)
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return visitPreprocessedEntities(PPRec.local_begin(), PPRec.local_end());
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return visitPreprocessedEntities(PPRec.begin(), PPRec.end());
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}
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template<typename InputIterator>
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bool CursorVisitor::visitPreprocessedEntities(InputIterator First,
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InputIterator Last) {
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for (; First != Last; ++First) {
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if (MacroExpansion *ME = dyn_cast<MacroExpansion>(*First)) {
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if (Visit(MakeMacroExpansionCursor(ME, TU)))
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return true;
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continue;
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}
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if (MacroDefinition *MD = dyn_cast<MacroDefinition>(*First)) {
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if (Visit(MakeMacroDefinitionCursor(MD, TU)))
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return true;
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continue;
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}
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if (InclusionDirective *ID = dyn_cast<InclusionDirective>(*First)) {
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if (Visit(MakeInclusionDirectiveCursor(ID, TU)))
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return true;
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continue;
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}
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}
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return false;
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}
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/// \brief Visit the children of the given cursor.
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///
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/// \returns true if the visitation should be aborted, false if it
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/// should continue.
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bool CursorVisitor::VisitChildren(CXCursor Cursor) {
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if (clang_isReference(Cursor.kind) &&
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Cursor.kind != CXCursor_CXXBaseSpecifier) {
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// By definition, references have no children.
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return false;
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}
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// Set the Parent field to Cursor, then back to its old value once we're
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// done.
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SetParentRAII SetParent(Parent, StmtParent, Cursor);
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if (clang_isDeclaration(Cursor.kind)) {
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Decl *D = getCursorDecl(Cursor);
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if (!D)
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return false;
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return VisitAttributes(D) || Visit(D);
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}
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if (clang_isStatement(Cursor.kind)) {
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if (Stmt *S = getCursorStmt(Cursor))
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return Visit(S);
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return false;
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}
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if (clang_isExpression(Cursor.kind)) {
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if (Expr *E = getCursorExpr(Cursor))
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return Visit(E);
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return false;
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}
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if (clang_isTranslationUnit(Cursor.kind)) {
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CXTranslationUnit tu = getCursorTU(Cursor);
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ASTUnit *CXXUnit = static_cast<ASTUnit*>(tu->TUData);
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int VisitOrder[2] = { VisitPreprocessorLast, !VisitPreprocessorLast };
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for (unsigned I = 0; I != 2; ++I) {
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if (VisitOrder[I]) {
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if (!CXXUnit->isMainFileAST() && CXXUnit->getOnlyLocalDecls() &&
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RegionOfInterest.isInvalid()) {
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for (ASTUnit::top_level_iterator TL = CXXUnit->top_level_begin(),
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TLEnd = CXXUnit->top_level_end();
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TL != TLEnd; ++TL) {
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if (Visit(MakeCXCursor(*TL, tu), true))
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return true;
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}
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} else if (VisitDeclContext(
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CXXUnit->getASTContext().getTranslationUnitDecl()))
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return true;
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continue;
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}
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// Walk the preprocessing record.
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if (CXXUnit->getPreprocessor().getPreprocessingRecord())
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visitPreprocessedEntitiesInRegion();
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}
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return false;
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}
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if (Cursor.kind == CXCursor_CXXBaseSpecifier) {
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if (CXXBaseSpecifier *Base = getCursorCXXBaseSpecifier(Cursor)) {
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if (TypeSourceInfo *BaseTSInfo = Base->getTypeSourceInfo()) {
|
|
return Visit(BaseTSInfo->getTypeLoc());
|
|
}
|
|
}
|
|
}
|
|
|
|
if (Cursor.kind == CXCursor_IBOutletCollectionAttr) {
|
|
IBOutletCollectionAttr *A =
|
|
cast<IBOutletCollectionAttr>(cxcursor::getCursorAttr(Cursor));
|
|
if (const ObjCInterfaceType *InterT = A->getInterface()->getAs<ObjCInterfaceType>())
|
|
return Visit(cxcursor::MakeCursorObjCClassRef(InterT->getInterface(),
|
|
A->getInterfaceLoc(), TU));
|
|
}
|
|
|
|
// Nothing to visit at the moment.
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitBlockDecl(BlockDecl *B) {
|
|
if (TypeSourceInfo *TSInfo = B->getSignatureAsWritten())
|
|
if (Visit(TSInfo->getTypeLoc()))
|
|
return true;
|
|
|
|
if (Stmt *Body = B->getBody())
|
|
return Visit(MakeCXCursor(Body, StmtParent, TU));
|
|
|
|
return false;
|
|
}
|
|
|
|
llvm::Optional<bool> CursorVisitor::shouldVisitCursor(CXCursor Cursor) {
|
|
if (RegionOfInterest.isValid()) {
|
|
SourceRange Range = getFullCursorExtent(Cursor, AU->getSourceManager());
|
|
if (Range.isInvalid())
|
|
return llvm::Optional<bool>();
|
|
|
|
switch (CompareRegionOfInterest(Range)) {
|
|
case RangeBefore:
|
|
// This declaration comes before the region of interest; skip it.
|
|
return llvm::Optional<bool>();
|
|
|
|
case RangeAfter:
|
|
// This declaration comes after the region of interest; we're done.
|
|
return false;
|
|
|
|
case RangeOverlap:
|
|
// This declaration overlaps the region of interest; visit it.
|
|
break;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool CursorVisitor::VisitDeclContext(DeclContext *DC) {
|
|
DeclContext::decl_iterator I = DC->decls_begin(), E = DC->decls_end();
|
|
|
|
// FIXME: Eventually remove. This part of a hack to support proper
|
|
// iteration over all Decls contained lexically within an ObjC container.
|
|
SaveAndRestore<DeclContext::decl_iterator*> DI_saved(DI_current, &I);
|
|
SaveAndRestore<DeclContext::decl_iterator> DE_saved(DE_current, E);
|
|
|
|
for ( ; I != E; ++I) {
|
|
Decl *D = *I;
|
|
if (D->getLexicalDeclContext() != DC)
|
|
continue;
|
|
CXCursor Cursor = MakeCXCursor(D, TU);
|
|
const llvm::Optional<bool> &V = shouldVisitCursor(Cursor);
|
|
if (!V.hasValue())
|
|
continue;
|
|
if (!V.getValue())
|
|
return false;
|
|
if (Visit(Cursor, true))
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitTranslationUnitDecl(TranslationUnitDecl *D) {
|
|
llvm_unreachable("Translation units are visited directly by Visit()");
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitTypeAliasDecl(TypeAliasDecl *D) {
|
|
if (TypeSourceInfo *TSInfo = D->getTypeSourceInfo())
|
|
return Visit(TSInfo->getTypeLoc());
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitTypedefDecl(TypedefDecl *D) {
|
|
if (TypeSourceInfo *TSInfo = D->getTypeSourceInfo())
|
|
return Visit(TSInfo->getTypeLoc());
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitTagDecl(TagDecl *D) {
|
|
return VisitDeclContext(D);
|
|
}
|
|
|
|
bool CursorVisitor::VisitClassTemplateSpecializationDecl(
|
|
ClassTemplateSpecializationDecl *D) {
|
|
bool ShouldVisitBody = false;
|
|
switch (D->getSpecializationKind()) {
|
|
case TSK_Undeclared:
|
|
case TSK_ImplicitInstantiation:
|
|
// Nothing to visit
|
|
return false;
|
|
|
|
case TSK_ExplicitInstantiationDeclaration:
|
|
case TSK_ExplicitInstantiationDefinition:
|
|
break;
|
|
|
|
case TSK_ExplicitSpecialization:
|
|
ShouldVisitBody = true;
|
|
break;
|
|
}
|
|
|
|
// Visit the template arguments used in the specialization.
|
|
if (TypeSourceInfo *SpecType = D->getTypeAsWritten()) {
|
|
TypeLoc TL = SpecType->getTypeLoc();
|
|
if (TemplateSpecializationTypeLoc *TSTLoc
|
|
= dyn_cast<TemplateSpecializationTypeLoc>(&TL)) {
|
|
for (unsigned I = 0, N = TSTLoc->getNumArgs(); I != N; ++I)
|
|
if (VisitTemplateArgumentLoc(TSTLoc->getArgLoc(I)))
|
|
return true;
|
|
}
|
|
}
|
|
|
|
if (ShouldVisitBody && VisitCXXRecordDecl(D))
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitClassTemplatePartialSpecializationDecl(
|
|
ClassTemplatePartialSpecializationDecl *D) {
|
|
// FIXME: Visit the "outer" template parameter lists on the TagDecl
|
|
// before visiting these template parameters.
|
|
if (VisitTemplateParameters(D->getTemplateParameters()))
|
|
return true;
|
|
|
|
// Visit the partial specialization arguments.
|
|
const TemplateArgumentLoc *TemplateArgs = D->getTemplateArgsAsWritten();
|
|
for (unsigned I = 0, N = D->getNumTemplateArgsAsWritten(); I != N; ++I)
|
|
if (VisitTemplateArgumentLoc(TemplateArgs[I]))
|
|
return true;
|
|
|
|
return VisitCXXRecordDecl(D);
|
|
}
|
|
|
|
bool CursorVisitor::VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D) {
|
|
// Visit the default argument.
|
|
if (D->hasDefaultArgument() && !D->defaultArgumentWasInherited())
|
|
if (TypeSourceInfo *DefArg = D->getDefaultArgumentInfo())
|
|
if (Visit(DefArg->getTypeLoc()))
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitEnumConstantDecl(EnumConstantDecl *D) {
|
|
if (Expr *Init = D->getInitExpr())
|
|
return Visit(MakeCXCursor(Init, StmtParent, TU));
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitDeclaratorDecl(DeclaratorDecl *DD) {
|
|
if (TypeSourceInfo *TSInfo = DD->getTypeSourceInfo())
|
|
if (Visit(TSInfo->getTypeLoc()))
|
|
return true;
|
|
|
|
// Visit the nested-name-specifier, if present.
|
|
if (NestedNameSpecifierLoc QualifierLoc = DD->getQualifierLoc())
|
|
if (VisitNestedNameSpecifierLoc(QualifierLoc))
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
/// \brief Compare two base or member initializers based on their source order.
|
|
static int CompareCXXCtorInitializers(const void* Xp, const void *Yp) {
|
|
CXXCtorInitializer const * const *X
|
|
= static_cast<CXXCtorInitializer const * const *>(Xp);
|
|
CXXCtorInitializer const * const *Y
|
|
= static_cast<CXXCtorInitializer const * const *>(Yp);
|
|
|
|
if ((*X)->getSourceOrder() < (*Y)->getSourceOrder())
|
|
return -1;
|
|
else if ((*X)->getSourceOrder() > (*Y)->getSourceOrder())
|
|
return 1;
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
bool CursorVisitor::VisitFunctionDecl(FunctionDecl *ND) {
|
|
if (TypeSourceInfo *TSInfo = ND->getTypeSourceInfo()) {
|
|
// Visit the function declaration's syntactic components in the order
|
|
// written. This requires a bit of work.
|
|
TypeLoc TL = TSInfo->getTypeLoc().IgnoreParens();
|
|
FunctionTypeLoc *FTL = dyn_cast<FunctionTypeLoc>(&TL);
|
|
|
|
// If we have a function declared directly (without the use of a typedef),
|
|
// visit just the return type. Otherwise, just visit the function's type
|
|
// now.
|
|
if ((FTL && !isa<CXXConversionDecl>(ND) && Visit(FTL->getResultLoc())) ||
|
|
(!FTL && Visit(TL)))
|
|
return true;
|
|
|
|
// Visit the nested-name-specifier, if present.
|
|
if (NestedNameSpecifierLoc QualifierLoc = ND->getQualifierLoc())
|
|
if (VisitNestedNameSpecifierLoc(QualifierLoc))
|
|
return true;
|
|
|
|
// Visit the declaration name.
|
|
if (VisitDeclarationNameInfo(ND->getNameInfo()))
|
|
return true;
|
|
|
|
// FIXME: Visit explicitly-specified template arguments!
|
|
|
|
// Visit the function parameters, if we have a function type.
|
|
if (FTL && VisitFunctionTypeLoc(*FTL, true))
|
|
return true;
|
|
|
|
// FIXME: Attributes?
|
|
}
|
|
|
|
if (ND->doesThisDeclarationHaveABody() && !ND->isLateTemplateParsed()) {
|
|
if (CXXConstructorDecl *Constructor = dyn_cast<CXXConstructorDecl>(ND)) {
|
|
// Find the initializers that were written in the source.
|
|
SmallVector<CXXCtorInitializer *, 4> WrittenInits;
|
|
for (CXXConstructorDecl::init_iterator I = Constructor->init_begin(),
|
|
IEnd = Constructor->init_end();
|
|
I != IEnd; ++I) {
|
|
if (!(*I)->isWritten())
|
|
continue;
|
|
|
|
WrittenInits.push_back(*I);
|
|
}
|
|
|
|
// Sort the initializers in source order
|
|
llvm::array_pod_sort(WrittenInits.begin(), WrittenInits.end(),
|
|
&CompareCXXCtorInitializers);
|
|
|
|
// Visit the initializers in source order
|
|
for (unsigned I = 0, N = WrittenInits.size(); I != N; ++I) {
|
|
CXXCtorInitializer *Init = WrittenInits[I];
|
|
if (Init->isAnyMemberInitializer()) {
|
|
if (Visit(MakeCursorMemberRef(Init->getAnyMember(),
|
|
Init->getMemberLocation(), TU)))
|
|
return true;
|
|
} else if (TypeSourceInfo *BaseInfo = Init->getBaseClassInfo()) {
|
|
if (Visit(BaseInfo->getTypeLoc()))
|
|
return true;
|
|
}
|
|
|
|
// Visit the initializer value.
|
|
if (Expr *Initializer = Init->getInit())
|
|
if (Visit(MakeCXCursor(Initializer, ND, TU)))
|
|
return true;
|
|
}
|
|
}
|
|
|
|
if (Visit(MakeCXCursor(ND->getBody(), StmtParent, TU)))
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitFieldDecl(FieldDecl *D) {
|
|
if (VisitDeclaratorDecl(D))
|
|
return true;
|
|
|
|
if (Expr *BitWidth = D->getBitWidth())
|
|
return Visit(MakeCXCursor(BitWidth, StmtParent, TU));
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitVarDecl(VarDecl *D) {
|
|
if (VisitDeclaratorDecl(D))
|
|
return true;
|
|
|
|
if (Expr *Init = D->getInit())
|
|
return Visit(MakeCXCursor(Init, StmtParent, TU));
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl *D) {
|
|
if (VisitDeclaratorDecl(D))
|
|
return true;
|
|
|
|
if (D->hasDefaultArgument() && !D->defaultArgumentWasInherited())
|
|
if (Expr *DefArg = D->getDefaultArgument())
|
|
return Visit(MakeCXCursor(DefArg, StmtParent, TU));
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitFunctionTemplateDecl(FunctionTemplateDecl *D) {
|
|
// FIXME: Visit the "outer" template parameter lists on the FunctionDecl
|
|
// before visiting these template parameters.
|
|
if (VisitTemplateParameters(D->getTemplateParameters()))
|
|
return true;
|
|
|
|
return VisitFunctionDecl(D->getTemplatedDecl());
|
|
}
|
|
|
|
bool CursorVisitor::VisitClassTemplateDecl(ClassTemplateDecl *D) {
|
|
// FIXME: Visit the "outer" template parameter lists on the TagDecl
|
|
// before visiting these template parameters.
|
|
if (VisitTemplateParameters(D->getTemplateParameters()))
|
|
return true;
|
|
|
|
return VisitCXXRecordDecl(D->getTemplatedDecl());
|
|
}
|
|
|
|
bool CursorVisitor::VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D) {
|
|
if (VisitTemplateParameters(D->getTemplateParameters()))
|
|
return true;
|
|
|
|
if (D->hasDefaultArgument() && !D->defaultArgumentWasInherited() &&
|
|
VisitTemplateArgumentLoc(D->getDefaultArgument()))
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitObjCMethodDecl(ObjCMethodDecl *ND) {
|
|
if (TypeSourceInfo *TSInfo = ND->getResultTypeSourceInfo())
|
|
if (Visit(TSInfo->getTypeLoc()))
|
|
return true;
|
|
|
|
for (ObjCMethodDecl::param_iterator P = ND->param_begin(),
|
|
PEnd = ND->param_end();
|
|
P != PEnd; ++P) {
|
|
if (Visit(MakeCXCursor(*P, TU)))
|
|
return true;
|
|
}
|
|
|
|
if (ND->isThisDeclarationADefinition() &&
|
|
Visit(MakeCXCursor(ND->getBody(), StmtParent, TU)))
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
namespace {
|
|
struct ContainerDeclsSort {
|
|
SourceManager &SM;
|
|
ContainerDeclsSort(SourceManager &sm) : SM(sm) {}
|
|
bool operator()(Decl *A, Decl *B) {
|
|
SourceLocation L_A = A->getLocStart();
|
|
SourceLocation L_B = B->getLocStart();
|
|
assert(L_A.isValid() && L_B.isValid());
|
|
return SM.isBeforeInTranslationUnit(L_A, L_B);
|
|
}
|
|
};
|
|
}
|
|
|
|
bool CursorVisitor::VisitObjCContainerDecl(ObjCContainerDecl *D) {
|
|
// FIXME: Eventually convert back to just 'VisitDeclContext()'. Essentially
|
|
// an @implementation can lexically contain Decls that are not properly
|
|
// nested in the AST. When we identify such cases, we need to retrofit
|
|
// this nesting here.
|
|
if (!DI_current)
|
|
return VisitDeclContext(D);
|
|
|
|
// Scan the Decls that immediately come after the container
|
|
// in the current DeclContext. If any fall within the
|
|
// container's lexical region, stash them into a vector
|
|
// for later processing.
|
|
SmallVector<Decl *, 24> DeclsInContainer;
|
|
SourceLocation EndLoc = D->getSourceRange().getEnd();
|
|
SourceManager &SM = AU->getSourceManager();
|
|
if (EndLoc.isValid()) {
|
|
DeclContext::decl_iterator next = *DI_current;
|
|
while (++next != DE_current) {
|
|
Decl *D_next = *next;
|
|
if (!D_next)
|
|
break;
|
|
SourceLocation L = D_next->getLocStart();
|
|
if (!L.isValid())
|
|
break;
|
|
if (SM.isBeforeInTranslationUnit(L, EndLoc)) {
|
|
*DI_current = next;
|
|
DeclsInContainer.push_back(D_next);
|
|
continue;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
// The common case.
|
|
if (DeclsInContainer.empty())
|
|
return VisitDeclContext(D);
|
|
|
|
// Get all the Decls in the DeclContext, and sort them with the
|
|
// additional ones we've collected. Then visit them.
|
|
for (DeclContext::decl_iterator I = D->decls_begin(), E = D->decls_end();
|
|
I!=E; ++I) {
|
|
Decl *subDecl = *I;
|
|
if (!subDecl || subDecl->getLexicalDeclContext() != D ||
|
|
subDecl->getLocStart().isInvalid())
|
|
continue;
|
|
DeclsInContainer.push_back(subDecl);
|
|
}
|
|
|
|
// Now sort the Decls so that they appear in lexical order.
|
|
std::sort(DeclsInContainer.begin(), DeclsInContainer.end(),
|
|
ContainerDeclsSort(SM));
|
|
|
|
// Now visit the decls.
|
|
for (SmallVectorImpl<Decl*>::iterator I = DeclsInContainer.begin(),
|
|
E = DeclsInContainer.end(); I != E; ++I) {
|
|
CXCursor Cursor = MakeCXCursor(*I, TU);
|
|
const llvm::Optional<bool> &V = shouldVisitCursor(Cursor);
|
|
if (!V.hasValue())
|
|
continue;
|
|
if (!V.getValue())
|
|
return false;
|
|
if (Visit(Cursor, true))
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitObjCCategoryDecl(ObjCCategoryDecl *ND) {
|
|
if (Visit(MakeCursorObjCClassRef(ND->getClassInterface(), ND->getLocation(),
|
|
TU)))
|
|
return true;
|
|
|
|
ObjCCategoryDecl::protocol_loc_iterator PL = ND->protocol_loc_begin();
|
|
for (ObjCCategoryDecl::protocol_iterator I = ND->protocol_begin(),
|
|
E = ND->protocol_end(); I != E; ++I, ++PL)
|
|
if (Visit(MakeCursorObjCProtocolRef(*I, *PL, TU)))
|
|
return true;
|
|
|
|
return VisitObjCContainerDecl(ND);
|
|
}
|
|
|
|
bool CursorVisitor::VisitObjCProtocolDecl(ObjCProtocolDecl *PID) {
|
|
ObjCProtocolDecl::protocol_loc_iterator PL = PID->protocol_loc_begin();
|
|
for (ObjCProtocolDecl::protocol_iterator I = PID->protocol_begin(),
|
|
E = PID->protocol_end(); I != E; ++I, ++PL)
|
|
if (Visit(MakeCursorObjCProtocolRef(*I, *PL, TU)))
|
|
return true;
|
|
|
|
return VisitObjCContainerDecl(PID);
|
|
}
|
|
|
|
bool CursorVisitor::VisitObjCPropertyDecl(ObjCPropertyDecl *PD) {
|
|
if (PD->getTypeSourceInfo() && Visit(PD->getTypeSourceInfo()->getTypeLoc()))
|
|
return true;
|
|
|
|
// FIXME: This implements a workaround with @property declarations also being
|
|
// installed in the DeclContext for the @interface. Eventually this code
|
|
// should be removed.
|
|
ObjCCategoryDecl *CDecl = dyn_cast<ObjCCategoryDecl>(PD->getDeclContext());
|
|
if (!CDecl || !CDecl->IsClassExtension())
|
|
return false;
|
|
|
|
ObjCInterfaceDecl *ID = CDecl->getClassInterface();
|
|
if (!ID)
|
|
return false;
|
|
|
|
IdentifierInfo *PropertyId = PD->getIdentifier();
|
|
ObjCPropertyDecl *prevDecl =
|
|
ObjCPropertyDecl::findPropertyDecl(cast<DeclContext>(ID), PropertyId);
|
|
|
|
if (!prevDecl)
|
|
return false;
|
|
|
|
// Visit synthesized methods since they will be skipped when visiting
|
|
// the @interface.
|
|
if (ObjCMethodDecl *MD = prevDecl->getGetterMethodDecl())
|
|
if (MD->isSynthesized() && MD->getLexicalDeclContext() == CDecl)
|
|
if (Visit(MakeCXCursor(MD, TU)))
|
|
return true;
|
|
|
|
if (ObjCMethodDecl *MD = prevDecl->getSetterMethodDecl())
|
|
if (MD->isSynthesized() && MD->getLexicalDeclContext() == CDecl)
|
|
if (Visit(MakeCXCursor(MD, TU)))
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitObjCInterfaceDecl(ObjCInterfaceDecl *D) {
|
|
// Issue callbacks for super class.
|
|
if (D->getSuperClass() &&
|
|
Visit(MakeCursorObjCSuperClassRef(D->getSuperClass(),
|
|
D->getSuperClassLoc(),
|
|
TU)))
|
|
return true;
|
|
|
|
ObjCInterfaceDecl::protocol_loc_iterator PL = D->protocol_loc_begin();
|
|
for (ObjCInterfaceDecl::protocol_iterator I = D->protocol_begin(),
|
|
E = D->protocol_end(); I != E; ++I, ++PL)
|
|
if (Visit(MakeCursorObjCProtocolRef(*I, *PL, TU)))
|
|
return true;
|
|
|
|
return VisitObjCContainerDecl(D);
|
|
}
|
|
|
|
bool CursorVisitor::VisitObjCImplDecl(ObjCImplDecl *D) {
|
|
return VisitObjCContainerDecl(D);
|
|
}
|
|
|
|
bool CursorVisitor::VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D) {
|
|
// 'ID' could be null when dealing with invalid code.
|
|
if (ObjCInterfaceDecl *ID = D->getClassInterface())
|
|
if (Visit(MakeCursorObjCClassRef(ID, D->getLocation(), TU)))
|
|
return true;
|
|
|
|
return VisitObjCImplDecl(D);
|
|
}
|
|
|
|
bool CursorVisitor::VisitObjCImplementationDecl(ObjCImplementationDecl *D) {
|
|
#if 0
|
|
// Issue callbacks for super class.
|
|
// FIXME: No source location information!
|
|
if (D->getSuperClass() &&
|
|
Visit(MakeCursorObjCSuperClassRef(D->getSuperClass(),
|
|
D->getSuperClassLoc(),
|
|
TU)))
|
|
return true;
|
|
#endif
|
|
|
|
return VisitObjCImplDecl(D);
|
|
}
|
|
|
|
bool CursorVisitor::VisitObjCForwardProtocolDecl(ObjCForwardProtocolDecl *D) {
|
|
ObjCForwardProtocolDecl::protocol_loc_iterator PL = D->protocol_loc_begin();
|
|
for (ObjCForwardProtocolDecl::protocol_iterator I = D->protocol_begin(),
|
|
E = D->protocol_end();
|
|
I != E; ++I, ++PL)
|
|
if (Visit(MakeCursorObjCProtocolRef(*I, *PL, TU)))
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitObjCClassDecl(ObjCClassDecl *D) {
|
|
if (Visit(MakeCursorObjCClassRef(D->getForwardInterfaceDecl(),
|
|
D->getForwardDecl()->getLocation(), TU)))
|
|
return true;
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *PD) {
|
|
if (ObjCIvarDecl *Ivar = PD->getPropertyIvarDecl())
|
|
return Visit(MakeCursorMemberRef(Ivar, PD->getPropertyIvarDeclLoc(), TU));
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitNamespaceDecl(NamespaceDecl *D) {
|
|
return VisitDeclContext(D);
|
|
}
|
|
|
|
bool CursorVisitor::VisitNamespaceAliasDecl(NamespaceAliasDecl *D) {
|
|
// Visit nested-name-specifier.
|
|
if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc())
|
|
if (VisitNestedNameSpecifierLoc(QualifierLoc))
|
|
return true;
|
|
|
|
return Visit(MakeCursorNamespaceRef(D->getAliasedNamespace(),
|
|
D->getTargetNameLoc(), TU));
|
|
}
|
|
|
|
bool CursorVisitor::VisitUsingDecl(UsingDecl *D) {
|
|
// Visit nested-name-specifier.
|
|
if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc()) {
|
|
if (VisitNestedNameSpecifierLoc(QualifierLoc))
|
|
return true;
|
|
}
|
|
|
|
if (Visit(MakeCursorOverloadedDeclRef(D, D->getLocation(), TU)))
|
|
return true;
|
|
|
|
return VisitDeclarationNameInfo(D->getNameInfo());
|
|
}
|
|
|
|
bool CursorVisitor::VisitUsingDirectiveDecl(UsingDirectiveDecl *D) {
|
|
// Visit nested-name-specifier.
|
|
if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc())
|
|
if (VisitNestedNameSpecifierLoc(QualifierLoc))
|
|
return true;
|
|
|
|
return Visit(MakeCursorNamespaceRef(D->getNominatedNamespaceAsWritten(),
|
|
D->getIdentLocation(), TU));
|
|
}
|
|
|
|
bool CursorVisitor::VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D) {
|
|
// Visit nested-name-specifier.
|
|
if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc()) {
|
|
if (VisitNestedNameSpecifierLoc(QualifierLoc))
|
|
return true;
|
|
}
|
|
|
|
return VisitDeclarationNameInfo(D->getNameInfo());
|
|
}
|
|
|
|
bool CursorVisitor::VisitUnresolvedUsingTypenameDecl(
|
|
UnresolvedUsingTypenameDecl *D) {
|
|
// Visit nested-name-specifier.
|
|
if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc())
|
|
if (VisitNestedNameSpecifierLoc(QualifierLoc))
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitDeclarationNameInfo(DeclarationNameInfo Name) {
|
|
switch (Name.getName().getNameKind()) {
|
|
case clang::DeclarationName::Identifier:
|
|
case clang::DeclarationName::CXXLiteralOperatorName:
|
|
case clang::DeclarationName::CXXOperatorName:
|
|
case clang::DeclarationName::CXXUsingDirective:
|
|
return false;
|
|
|
|
case clang::DeclarationName::CXXConstructorName:
|
|
case clang::DeclarationName::CXXDestructorName:
|
|
case clang::DeclarationName::CXXConversionFunctionName:
|
|
if (TypeSourceInfo *TSInfo = Name.getNamedTypeInfo())
|
|
return Visit(TSInfo->getTypeLoc());
|
|
return false;
|
|
|
|
case clang::DeclarationName::ObjCZeroArgSelector:
|
|
case clang::DeclarationName::ObjCOneArgSelector:
|
|
case clang::DeclarationName::ObjCMultiArgSelector:
|
|
// FIXME: Per-identifier location info?
|
|
return false;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitNestedNameSpecifier(NestedNameSpecifier *NNS,
|
|
SourceRange Range) {
|
|
// FIXME: This whole routine is a hack to work around the lack of proper
|
|
// source information in nested-name-specifiers (PR5791). Since we do have
|
|
// a beginning source location, we can visit the first component of the
|
|
// nested-name-specifier, if it's a single-token component.
|
|
if (!NNS)
|
|
return false;
|
|
|
|
// Get the first component in the nested-name-specifier.
|
|
while (NestedNameSpecifier *Prefix = NNS->getPrefix())
|
|
NNS = Prefix;
|
|
|
|
switch (NNS->getKind()) {
|
|
case NestedNameSpecifier::Namespace:
|
|
return Visit(MakeCursorNamespaceRef(NNS->getAsNamespace(), Range.getBegin(),
|
|
TU));
|
|
|
|
case NestedNameSpecifier::NamespaceAlias:
|
|
return Visit(MakeCursorNamespaceRef(NNS->getAsNamespaceAlias(),
|
|
Range.getBegin(), TU));
|
|
|
|
case NestedNameSpecifier::TypeSpec: {
|
|
// If the type has a form where we know that the beginning of the source
|
|
// range matches up with a reference cursor. Visit the appropriate reference
|
|
// cursor.
|
|
const Type *T = NNS->getAsType();
|
|
if (const TypedefType *Typedef = dyn_cast<TypedefType>(T))
|
|
return Visit(MakeCursorTypeRef(Typedef->getDecl(), Range.getBegin(), TU));
|
|
if (const TagType *Tag = dyn_cast<TagType>(T))
|
|
return Visit(MakeCursorTypeRef(Tag->getDecl(), Range.getBegin(), TU));
|
|
if (const TemplateSpecializationType *TST
|
|
= dyn_cast<TemplateSpecializationType>(T))
|
|
return VisitTemplateName(TST->getTemplateName(), Range.getBegin());
|
|
break;
|
|
}
|
|
|
|
case NestedNameSpecifier::TypeSpecWithTemplate:
|
|
case NestedNameSpecifier::Global:
|
|
case NestedNameSpecifier::Identifier:
|
|
break;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool
|
|
CursorVisitor::VisitNestedNameSpecifierLoc(NestedNameSpecifierLoc Qualifier) {
|
|
SmallVector<NestedNameSpecifierLoc, 4> Qualifiers;
|
|
for (; Qualifier; Qualifier = Qualifier.getPrefix())
|
|
Qualifiers.push_back(Qualifier);
|
|
|
|
while (!Qualifiers.empty()) {
|
|
NestedNameSpecifierLoc Q = Qualifiers.pop_back_val();
|
|
NestedNameSpecifier *NNS = Q.getNestedNameSpecifier();
|
|
switch (NNS->getKind()) {
|
|
case NestedNameSpecifier::Namespace:
|
|
if (Visit(MakeCursorNamespaceRef(NNS->getAsNamespace(),
|
|
Q.getLocalBeginLoc(),
|
|
TU)))
|
|
return true;
|
|
|
|
break;
|
|
|
|
case NestedNameSpecifier::NamespaceAlias:
|
|
if (Visit(MakeCursorNamespaceRef(NNS->getAsNamespaceAlias(),
|
|
Q.getLocalBeginLoc(),
|
|
TU)))
|
|
return true;
|
|
|
|
break;
|
|
|
|
case NestedNameSpecifier::TypeSpec:
|
|
case NestedNameSpecifier::TypeSpecWithTemplate:
|
|
if (Visit(Q.getTypeLoc()))
|
|
return true;
|
|
|
|
break;
|
|
|
|
case NestedNameSpecifier::Global:
|
|
case NestedNameSpecifier::Identifier:
|
|
break;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitTemplateParameters(
|
|
const TemplateParameterList *Params) {
|
|
if (!Params)
|
|
return false;
|
|
|
|
for (TemplateParameterList::const_iterator P = Params->begin(),
|
|
PEnd = Params->end();
|
|
P != PEnd; ++P) {
|
|
if (Visit(MakeCXCursor(*P, TU)))
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitTemplateName(TemplateName Name, SourceLocation Loc) {
|
|
switch (Name.getKind()) {
|
|
case TemplateName::Template:
|
|
return Visit(MakeCursorTemplateRef(Name.getAsTemplateDecl(), Loc, TU));
|
|
|
|
case TemplateName::OverloadedTemplate:
|
|
// Visit the overloaded template set.
|
|
if (Visit(MakeCursorOverloadedDeclRef(Name, Loc, TU)))
|
|
return true;
|
|
|
|
return false;
|
|
|
|
case TemplateName::DependentTemplate:
|
|
// FIXME: Visit nested-name-specifier.
|
|
return false;
|
|
|
|
case TemplateName::QualifiedTemplate:
|
|
// FIXME: Visit nested-name-specifier.
|
|
return Visit(MakeCursorTemplateRef(
|
|
Name.getAsQualifiedTemplateName()->getDecl(),
|
|
Loc, TU));
|
|
|
|
case TemplateName::SubstTemplateTemplateParm:
|
|
return Visit(MakeCursorTemplateRef(
|
|
Name.getAsSubstTemplateTemplateParm()->getParameter(),
|
|
Loc, TU));
|
|
|
|
case TemplateName::SubstTemplateTemplateParmPack:
|
|
return Visit(MakeCursorTemplateRef(
|
|
Name.getAsSubstTemplateTemplateParmPack()->getParameterPack(),
|
|
Loc, TU));
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitTemplateArgumentLoc(const TemplateArgumentLoc &TAL) {
|
|
switch (TAL.getArgument().getKind()) {
|
|
case TemplateArgument::Null:
|
|
case TemplateArgument::Integral:
|
|
case TemplateArgument::Pack:
|
|
return false;
|
|
|
|
case TemplateArgument::Type:
|
|
if (TypeSourceInfo *TSInfo = TAL.getTypeSourceInfo())
|
|
return Visit(TSInfo->getTypeLoc());
|
|
return false;
|
|
|
|
case TemplateArgument::Declaration:
|
|
if (Expr *E = TAL.getSourceDeclExpression())
|
|
return Visit(MakeCXCursor(E, StmtParent, TU));
|
|
return false;
|
|
|
|
case TemplateArgument::Expression:
|
|
if (Expr *E = TAL.getSourceExpression())
|
|
return Visit(MakeCXCursor(E, StmtParent, TU));
|
|
return false;
|
|
|
|
case TemplateArgument::Template:
|
|
case TemplateArgument::TemplateExpansion:
|
|
if (VisitNestedNameSpecifierLoc(TAL.getTemplateQualifierLoc()))
|
|
return true;
|
|
|
|
return VisitTemplateName(TAL.getArgument().getAsTemplateOrTemplatePattern(),
|
|
TAL.getTemplateNameLoc());
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitLinkageSpecDecl(LinkageSpecDecl *D) {
|
|
return VisitDeclContext(D);
|
|
}
|
|
|
|
bool CursorVisitor::VisitQualifiedTypeLoc(QualifiedTypeLoc TL) {
|
|
return Visit(TL.getUnqualifiedLoc());
|
|
}
|
|
|
|
bool CursorVisitor::VisitBuiltinTypeLoc(BuiltinTypeLoc TL) {
|
|
ASTContext &Context = AU->getASTContext();
|
|
|
|
// Some builtin types (such as Objective-C's "id", "sel", and
|
|
// "Class") have associated declarations. Create cursors for those.
|
|
QualType VisitType;
|
|
switch (TL.getType()->getAs<BuiltinType>()->getKind()) {
|
|
case BuiltinType::Void:
|
|
case BuiltinType::Bool:
|
|
case BuiltinType::Char_U:
|
|
case BuiltinType::UChar:
|
|
case BuiltinType::Char16:
|
|
case BuiltinType::Char32:
|
|
case BuiltinType::UShort:
|
|
case BuiltinType::UInt:
|
|
case BuiltinType::ULong:
|
|
case BuiltinType::ULongLong:
|
|
case BuiltinType::UInt128:
|
|
case BuiltinType::Char_S:
|
|
case BuiltinType::SChar:
|
|
case BuiltinType::WChar_U:
|
|
case BuiltinType::WChar_S:
|
|
case BuiltinType::Short:
|
|
case BuiltinType::Int:
|
|
case BuiltinType::Long:
|
|
case BuiltinType::LongLong:
|
|
case BuiltinType::Int128:
|
|
case BuiltinType::Float:
|
|
case BuiltinType::Double:
|
|
case BuiltinType::LongDouble:
|
|
case BuiltinType::NullPtr:
|
|
case BuiltinType::Overload:
|
|
case BuiltinType::BoundMember:
|
|
case BuiltinType::Dependent:
|
|
case BuiltinType::UnknownAny:
|
|
break;
|
|
|
|
case BuiltinType::ObjCId:
|
|
VisitType = Context.getObjCIdType();
|
|
break;
|
|
|
|
case BuiltinType::ObjCClass:
|
|
VisitType = Context.getObjCClassType();
|
|
break;
|
|
|
|
case BuiltinType::ObjCSel:
|
|
VisitType = Context.getObjCSelType();
|
|
break;
|
|
}
|
|
|
|
if (!VisitType.isNull()) {
|
|
if (const TypedefType *Typedef = VisitType->getAs<TypedefType>())
|
|
return Visit(MakeCursorTypeRef(Typedef->getDecl(), TL.getBuiltinLoc(),
|
|
TU));
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitTypedefTypeLoc(TypedefTypeLoc TL) {
|
|
return Visit(MakeCursorTypeRef(TL.getTypedefNameDecl(), TL.getNameLoc(), TU));
|
|
}
|
|
|
|
bool CursorVisitor::VisitUnresolvedUsingTypeLoc(UnresolvedUsingTypeLoc TL) {
|
|
return Visit(MakeCursorTypeRef(TL.getDecl(), TL.getNameLoc(), TU));
|
|
}
|
|
|
|
bool CursorVisitor::VisitTagTypeLoc(TagTypeLoc TL) {
|
|
if (TL.isDefinition())
|
|
return Visit(MakeCXCursor(TL.getDecl(), TU));
|
|
|
|
return Visit(MakeCursorTypeRef(TL.getDecl(), TL.getNameLoc(), TU));
|
|
}
|
|
|
|
bool CursorVisitor::VisitTemplateTypeParmTypeLoc(TemplateTypeParmTypeLoc TL) {
|
|
return Visit(MakeCursorTypeRef(TL.getDecl(), TL.getNameLoc(), TU));
|
|
}
|
|
|
|
bool CursorVisitor::VisitObjCInterfaceTypeLoc(ObjCInterfaceTypeLoc TL) {
|
|
if (Visit(MakeCursorObjCClassRef(TL.getIFaceDecl(), TL.getNameLoc(), TU)))
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitObjCObjectTypeLoc(ObjCObjectTypeLoc TL) {
|
|
if (TL.hasBaseTypeAsWritten() && Visit(TL.getBaseLoc()))
|
|
return true;
|
|
|
|
for (unsigned I = 0, N = TL.getNumProtocols(); I != N; ++I) {
|
|
if (Visit(MakeCursorObjCProtocolRef(TL.getProtocol(I), TL.getProtocolLoc(I),
|
|
TU)))
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitObjCObjectPointerTypeLoc(ObjCObjectPointerTypeLoc TL) {
|
|
return Visit(TL.getPointeeLoc());
|
|
}
|
|
|
|
bool CursorVisitor::VisitParenTypeLoc(ParenTypeLoc TL) {
|
|
return Visit(TL.getInnerLoc());
|
|
}
|
|
|
|
bool CursorVisitor::VisitPointerTypeLoc(PointerTypeLoc TL) {
|
|
return Visit(TL.getPointeeLoc());
|
|
}
|
|
|
|
bool CursorVisitor::VisitBlockPointerTypeLoc(BlockPointerTypeLoc TL) {
|
|
return Visit(TL.getPointeeLoc());
|
|
}
|
|
|
|
bool CursorVisitor::VisitMemberPointerTypeLoc(MemberPointerTypeLoc TL) {
|
|
return Visit(TL.getPointeeLoc());
|
|
}
|
|
|
|
bool CursorVisitor::VisitLValueReferenceTypeLoc(LValueReferenceTypeLoc TL) {
|
|
return Visit(TL.getPointeeLoc());
|
|
}
|
|
|
|
bool CursorVisitor::VisitRValueReferenceTypeLoc(RValueReferenceTypeLoc TL) {
|
|
return Visit(TL.getPointeeLoc());
|
|
}
|
|
|
|
bool CursorVisitor::VisitAttributedTypeLoc(AttributedTypeLoc TL) {
|
|
return Visit(TL.getModifiedLoc());
|
|
}
|
|
|
|
bool CursorVisitor::VisitFunctionTypeLoc(FunctionTypeLoc TL,
|
|
bool SkipResultType) {
|
|
if (!SkipResultType && Visit(TL.getResultLoc()))
|
|
return true;
|
|
|
|
for (unsigned I = 0, N = TL.getNumArgs(); I != N; ++I)
|
|
if (Decl *D = TL.getArg(I))
|
|
if (Visit(MakeCXCursor(D, TU)))
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitArrayTypeLoc(ArrayTypeLoc TL) {
|
|
if (Visit(TL.getElementLoc()))
|
|
return true;
|
|
|
|
if (Expr *Size = TL.getSizeExpr())
|
|
return Visit(MakeCXCursor(Size, StmtParent, TU));
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitTemplateSpecializationTypeLoc(
|
|
TemplateSpecializationTypeLoc TL) {
|
|
// Visit the template name.
|
|
if (VisitTemplateName(TL.getTypePtr()->getTemplateName(),
|
|
TL.getTemplateNameLoc()))
|
|
return true;
|
|
|
|
// Visit the template arguments.
|
|
for (unsigned I = 0, N = TL.getNumArgs(); I != N; ++I)
|
|
if (VisitTemplateArgumentLoc(TL.getArgLoc(I)))
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitTypeOfExprTypeLoc(TypeOfExprTypeLoc TL) {
|
|
return Visit(MakeCXCursor(TL.getUnderlyingExpr(), StmtParent, TU));
|
|
}
|
|
|
|
bool CursorVisitor::VisitTypeOfTypeLoc(TypeOfTypeLoc TL) {
|
|
if (TypeSourceInfo *TSInfo = TL.getUnderlyingTInfo())
|
|
return Visit(TSInfo->getTypeLoc());
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitUnaryTransformTypeLoc(UnaryTransformTypeLoc TL) {
|
|
if (TypeSourceInfo *TSInfo = TL.getUnderlyingTInfo())
|
|
return Visit(TSInfo->getTypeLoc());
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitDependentNameTypeLoc(DependentNameTypeLoc TL) {
|
|
if (VisitNestedNameSpecifierLoc(TL.getQualifierLoc()))
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitDependentTemplateSpecializationTypeLoc(
|
|
DependentTemplateSpecializationTypeLoc TL) {
|
|
// Visit the nested-name-specifier, if there is one.
|
|
if (TL.getQualifierLoc() &&
|
|
VisitNestedNameSpecifierLoc(TL.getQualifierLoc()))
|
|
return true;
|
|
|
|
// Visit the template arguments.
|
|
for (unsigned I = 0, N = TL.getNumArgs(); I != N; ++I)
|
|
if (VisitTemplateArgumentLoc(TL.getArgLoc(I)))
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitElaboratedTypeLoc(ElaboratedTypeLoc TL) {
|
|
if (VisitNestedNameSpecifierLoc(TL.getQualifierLoc()))
|
|
return true;
|
|
|
|
return Visit(TL.getNamedTypeLoc());
|
|
}
|
|
|
|
bool CursorVisitor::VisitPackExpansionTypeLoc(PackExpansionTypeLoc TL) {
|
|
return Visit(TL.getPatternLoc());
|
|
}
|
|
|
|
bool CursorVisitor::VisitDecltypeTypeLoc(DecltypeTypeLoc TL) {
|
|
if (Expr *E = TL.getUnderlyingExpr())
|
|
return Visit(MakeCXCursor(E, StmtParent, TU));
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitInjectedClassNameTypeLoc(InjectedClassNameTypeLoc TL) {
|
|
return Visit(MakeCursorTypeRef(TL.getDecl(), TL.getNameLoc(), TU));
|
|
}
|
|
|
|
#define DEFAULT_TYPELOC_IMPL(CLASS, PARENT) \
|
|
bool CursorVisitor::Visit##CLASS##TypeLoc(CLASS##TypeLoc TL) { \
|
|
return Visit##PARENT##Loc(TL); \
|
|
}
|
|
|
|
DEFAULT_TYPELOC_IMPL(Complex, Type)
|
|
DEFAULT_TYPELOC_IMPL(ConstantArray, ArrayType)
|
|
DEFAULT_TYPELOC_IMPL(IncompleteArray, ArrayType)
|
|
DEFAULT_TYPELOC_IMPL(VariableArray, ArrayType)
|
|
DEFAULT_TYPELOC_IMPL(DependentSizedArray, ArrayType)
|
|
DEFAULT_TYPELOC_IMPL(DependentSizedExtVector, Type)
|
|
DEFAULT_TYPELOC_IMPL(Vector, Type)
|
|
DEFAULT_TYPELOC_IMPL(ExtVector, VectorType)
|
|
DEFAULT_TYPELOC_IMPL(FunctionProto, FunctionType)
|
|
DEFAULT_TYPELOC_IMPL(FunctionNoProto, FunctionType)
|
|
DEFAULT_TYPELOC_IMPL(Record, TagType)
|
|
DEFAULT_TYPELOC_IMPL(Enum, TagType)
|
|
DEFAULT_TYPELOC_IMPL(SubstTemplateTypeParm, Type)
|
|
DEFAULT_TYPELOC_IMPL(SubstTemplateTypeParmPack, Type)
|
|
DEFAULT_TYPELOC_IMPL(Auto, Type)
|
|
|
|
bool CursorVisitor::VisitCXXRecordDecl(CXXRecordDecl *D) {
|
|
// Visit the nested-name-specifier, if present.
|
|
if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc())
|
|
if (VisitNestedNameSpecifierLoc(QualifierLoc))
|
|
return true;
|
|
|
|
if (D->isDefinition()) {
|
|
for (CXXRecordDecl::base_class_iterator I = D->bases_begin(),
|
|
E = D->bases_end(); I != E; ++I) {
|
|
if (Visit(cxcursor::MakeCursorCXXBaseSpecifier(I, TU)))
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return VisitTagDecl(D);
|
|
}
|
|
|
|
bool CursorVisitor::VisitAttributes(Decl *D) {
|
|
for (AttrVec::const_iterator i = D->attr_begin(), e = D->attr_end();
|
|
i != e; ++i)
|
|
if (Visit(MakeCXCursor(*i, D, TU)))
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Data-recursive visitor methods.
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
namespace {
|
|
#define DEF_JOB(NAME, DATA, KIND)\
|
|
class NAME : public VisitorJob {\
|
|
public:\
|
|
NAME(DATA *d, CXCursor parent) : VisitorJob(parent, VisitorJob::KIND, d) {} \
|
|
static bool classof(const VisitorJob *VJ) { return VJ->getKind() == KIND; }\
|
|
DATA *get() const { return static_cast<DATA*>(data[0]); }\
|
|
};
|
|
|
|
DEF_JOB(StmtVisit, Stmt, StmtVisitKind)
|
|
DEF_JOB(MemberExprParts, MemberExpr, MemberExprPartsKind)
|
|
DEF_JOB(DeclRefExprParts, DeclRefExpr, DeclRefExprPartsKind)
|
|
DEF_JOB(OverloadExprParts, OverloadExpr, OverloadExprPartsKind)
|
|
DEF_JOB(ExplicitTemplateArgsVisit, ASTTemplateArgumentListInfo,
|
|
ExplicitTemplateArgsVisitKind)
|
|
DEF_JOB(SizeOfPackExprParts, SizeOfPackExpr, SizeOfPackExprPartsKind)
|
|
#undef DEF_JOB
|
|
|
|
class DeclVisit : public VisitorJob {
|
|
public:
|
|
DeclVisit(Decl *d, CXCursor parent, bool isFirst) :
|
|
VisitorJob(parent, VisitorJob::DeclVisitKind,
|
|
d, isFirst ? (void*) 1 : (void*) 0) {}
|
|
static bool classof(const VisitorJob *VJ) {
|
|
return VJ->getKind() == DeclVisitKind;
|
|
}
|
|
Decl *get() const { return static_cast<Decl*>(data[0]); }
|
|
bool isFirst() const { return data[1] ? true : false; }
|
|
};
|
|
class TypeLocVisit : public VisitorJob {
|
|
public:
|
|
TypeLocVisit(TypeLoc tl, CXCursor parent) :
|
|
VisitorJob(parent, VisitorJob::TypeLocVisitKind,
|
|
tl.getType().getAsOpaquePtr(), tl.getOpaqueData()) {}
|
|
|
|
static bool classof(const VisitorJob *VJ) {
|
|
return VJ->getKind() == TypeLocVisitKind;
|
|
}
|
|
|
|
TypeLoc get() const {
|
|
QualType T = QualType::getFromOpaquePtr(data[0]);
|
|
return TypeLoc(T, data[1]);
|
|
}
|
|
};
|
|
|
|
class LabelRefVisit : public VisitorJob {
|
|
public:
|
|
LabelRefVisit(LabelDecl *LD, SourceLocation labelLoc, CXCursor parent)
|
|
: VisitorJob(parent, VisitorJob::LabelRefVisitKind, LD,
|
|
labelLoc.getPtrEncoding()) {}
|
|
|
|
static bool classof(const VisitorJob *VJ) {
|
|
return VJ->getKind() == VisitorJob::LabelRefVisitKind;
|
|
}
|
|
LabelDecl *get() const { return static_cast<LabelDecl*>(data[0]); }
|
|
SourceLocation getLoc() const {
|
|
return SourceLocation::getFromPtrEncoding(data[1]); }
|
|
};
|
|
|
|
class NestedNameSpecifierLocVisit : public VisitorJob {
|
|
public:
|
|
NestedNameSpecifierLocVisit(NestedNameSpecifierLoc Qualifier, CXCursor parent)
|
|
: VisitorJob(parent, VisitorJob::NestedNameSpecifierLocVisitKind,
|
|
Qualifier.getNestedNameSpecifier(),
|
|
Qualifier.getOpaqueData()) { }
|
|
|
|
static bool classof(const VisitorJob *VJ) {
|
|
return VJ->getKind() == VisitorJob::NestedNameSpecifierLocVisitKind;
|
|
}
|
|
|
|
NestedNameSpecifierLoc get() const {
|
|
return NestedNameSpecifierLoc(static_cast<NestedNameSpecifier*>(data[0]),
|
|
data[1]);
|
|
}
|
|
};
|
|
|
|
class DeclarationNameInfoVisit : public VisitorJob {
|
|
public:
|
|
DeclarationNameInfoVisit(Stmt *S, CXCursor parent)
|
|
: VisitorJob(parent, VisitorJob::DeclarationNameInfoVisitKind, S) {}
|
|
static bool classof(const VisitorJob *VJ) {
|
|
return VJ->getKind() == VisitorJob::DeclarationNameInfoVisitKind;
|
|
}
|
|
DeclarationNameInfo get() const {
|
|
Stmt *S = static_cast<Stmt*>(data[0]);
|
|
switch (S->getStmtClass()) {
|
|
default:
|
|
llvm_unreachable("Unhandled Stmt");
|
|
case Stmt::CXXDependentScopeMemberExprClass:
|
|
return cast<CXXDependentScopeMemberExpr>(S)->getMemberNameInfo();
|
|
case Stmt::DependentScopeDeclRefExprClass:
|
|
return cast<DependentScopeDeclRefExpr>(S)->getNameInfo();
|
|
}
|
|
}
|
|
};
|
|
class MemberRefVisit : public VisitorJob {
|
|
public:
|
|
MemberRefVisit(FieldDecl *D, SourceLocation L, CXCursor parent)
|
|
: VisitorJob(parent, VisitorJob::MemberRefVisitKind, D,
|
|
L.getPtrEncoding()) {}
|
|
static bool classof(const VisitorJob *VJ) {
|
|
return VJ->getKind() == VisitorJob::MemberRefVisitKind;
|
|
}
|
|
FieldDecl *get() const {
|
|
return static_cast<FieldDecl*>(data[0]);
|
|
}
|
|
SourceLocation getLoc() const {
|
|
return SourceLocation::getFromRawEncoding((unsigned)(uintptr_t) data[1]);
|
|
}
|
|
};
|
|
class EnqueueVisitor : public StmtVisitor<EnqueueVisitor, void> {
|
|
VisitorWorkList &WL;
|
|
CXCursor Parent;
|
|
public:
|
|
EnqueueVisitor(VisitorWorkList &wl, CXCursor parent)
|
|
: WL(wl), Parent(parent) {}
|
|
|
|
void VisitAddrLabelExpr(AddrLabelExpr *E);
|
|
void VisitBlockExpr(BlockExpr *B);
|
|
void VisitCompoundLiteralExpr(CompoundLiteralExpr *E);
|
|
void VisitCompoundStmt(CompoundStmt *S);
|
|
void VisitCXXDefaultArgExpr(CXXDefaultArgExpr *E) { /* Do nothing. */ }
|
|
void VisitCXXDependentScopeMemberExpr(CXXDependentScopeMemberExpr *E);
|
|
void VisitCXXNewExpr(CXXNewExpr *E);
|
|
void VisitCXXScalarValueInitExpr(CXXScalarValueInitExpr *E);
|
|
void VisitCXXOperatorCallExpr(CXXOperatorCallExpr *E);
|
|
void VisitCXXPseudoDestructorExpr(CXXPseudoDestructorExpr *E);
|
|
void VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr *E);
|
|
void VisitCXXTypeidExpr(CXXTypeidExpr *E);
|
|
void VisitCXXUnresolvedConstructExpr(CXXUnresolvedConstructExpr *E);
|
|
void VisitCXXUuidofExpr(CXXUuidofExpr *E);
|
|
void VisitDeclRefExpr(DeclRefExpr *D);
|
|
void VisitDeclStmt(DeclStmt *S);
|
|
void VisitDependentScopeDeclRefExpr(DependentScopeDeclRefExpr *E);
|
|
void VisitDesignatedInitExpr(DesignatedInitExpr *E);
|
|
void VisitExplicitCastExpr(ExplicitCastExpr *E);
|
|
void VisitForStmt(ForStmt *FS);
|
|
void VisitGotoStmt(GotoStmt *GS);
|
|
void VisitIfStmt(IfStmt *If);
|
|
void VisitInitListExpr(InitListExpr *IE);
|
|
void VisitMemberExpr(MemberExpr *M);
|
|
void VisitOffsetOfExpr(OffsetOfExpr *E);
|
|
void VisitObjCEncodeExpr(ObjCEncodeExpr *E);
|
|
void VisitObjCMessageExpr(ObjCMessageExpr *M);
|
|
void VisitOverloadExpr(OverloadExpr *E);
|
|
void VisitUnaryExprOrTypeTraitExpr(UnaryExprOrTypeTraitExpr *E);
|
|
void VisitStmt(Stmt *S);
|
|
void VisitSwitchStmt(SwitchStmt *S);
|
|
void VisitWhileStmt(WhileStmt *W);
|
|
void VisitUnaryTypeTraitExpr(UnaryTypeTraitExpr *E);
|
|
void VisitBinaryTypeTraitExpr(BinaryTypeTraitExpr *E);
|
|
void VisitArrayTypeTraitExpr(ArrayTypeTraitExpr *E);
|
|
void VisitExpressionTraitExpr(ExpressionTraitExpr *E);
|
|
void VisitUnresolvedMemberExpr(UnresolvedMemberExpr *U);
|
|
void VisitVAArgExpr(VAArgExpr *E);
|
|
void VisitSizeOfPackExpr(SizeOfPackExpr *E);
|
|
|
|
private:
|
|
void AddDeclarationNameInfo(Stmt *S);
|
|
void AddNestedNameSpecifierLoc(NestedNameSpecifierLoc Qualifier);
|
|
void AddExplicitTemplateArgs(const ASTTemplateArgumentListInfo *A);
|
|
void AddMemberRef(FieldDecl *D, SourceLocation L);
|
|
void AddStmt(Stmt *S);
|
|
void AddDecl(Decl *D, bool isFirst = true);
|
|
void AddTypeLoc(TypeSourceInfo *TI);
|
|
void EnqueueChildren(Stmt *S);
|
|
};
|
|
} // end anonyous namespace
|
|
|
|
void EnqueueVisitor::AddDeclarationNameInfo(Stmt *S) {
|
|
// 'S' should always be non-null, since it comes from the
|
|
// statement we are visiting.
|
|
WL.push_back(DeclarationNameInfoVisit(S, Parent));
|
|
}
|
|
|
|
void
|
|
EnqueueVisitor::AddNestedNameSpecifierLoc(NestedNameSpecifierLoc Qualifier) {
|
|
if (Qualifier)
|
|
WL.push_back(NestedNameSpecifierLocVisit(Qualifier, Parent));
|
|
}
|
|
|
|
void EnqueueVisitor::AddStmt(Stmt *S) {
|
|
if (S)
|
|
WL.push_back(StmtVisit(S, Parent));
|
|
}
|
|
void EnqueueVisitor::AddDecl(Decl *D, bool isFirst) {
|
|
if (D)
|
|
WL.push_back(DeclVisit(D, Parent, isFirst));
|
|
}
|
|
void EnqueueVisitor::
|
|
AddExplicitTemplateArgs(const ASTTemplateArgumentListInfo *A) {
|
|
if (A)
|
|
WL.push_back(ExplicitTemplateArgsVisit(
|
|
const_cast<ASTTemplateArgumentListInfo*>(A), Parent));
|
|
}
|
|
void EnqueueVisitor::AddMemberRef(FieldDecl *D, SourceLocation L) {
|
|
if (D)
|
|
WL.push_back(MemberRefVisit(D, L, Parent));
|
|
}
|
|
void EnqueueVisitor::AddTypeLoc(TypeSourceInfo *TI) {
|
|
if (TI)
|
|
WL.push_back(TypeLocVisit(TI->getTypeLoc(), Parent));
|
|
}
|
|
void EnqueueVisitor::EnqueueChildren(Stmt *S) {
|
|
unsigned size = WL.size();
|
|
for (Stmt::child_range Child = S->children(); Child; ++Child) {
|
|
AddStmt(*Child);
|
|
}
|
|
if (size == WL.size())
|
|
return;
|
|
// Now reverse the entries we just added. This will match the DFS
|
|
// ordering performed by the worklist.
|
|
VisitorWorkList::iterator I = WL.begin() + size, E = WL.end();
|
|
std::reverse(I, E);
|
|
}
|
|
void EnqueueVisitor::VisitAddrLabelExpr(AddrLabelExpr *E) {
|
|
WL.push_back(LabelRefVisit(E->getLabel(), E->getLabelLoc(), Parent));
|
|
}
|
|
void EnqueueVisitor::VisitBlockExpr(BlockExpr *B) {
|
|
AddDecl(B->getBlockDecl());
|
|
}
|
|
void EnqueueVisitor::VisitCompoundLiteralExpr(CompoundLiteralExpr *E) {
|
|
EnqueueChildren(E);
|
|
AddTypeLoc(E->getTypeSourceInfo());
|
|
}
|
|
void EnqueueVisitor::VisitCompoundStmt(CompoundStmt *S) {
|
|
for (CompoundStmt::reverse_body_iterator I = S->body_rbegin(),
|
|
E = S->body_rend(); I != E; ++I) {
|
|
AddStmt(*I);
|
|
}
|
|
}
|
|
void EnqueueVisitor::
|
|
VisitCXXDependentScopeMemberExpr(CXXDependentScopeMemberExpr *E) {
|
|
AddExplicitTemplateArgs(E->getOptionalExplicitTemplateArgs());
|
|
AddDeclarationNameInfo(E);
|
|
if (NestedNameSpecifierLoc QualifierLoc = E->getQualifierLoc())
|
|
AddNestedNameSpecifierLoc(QualifierLoc);
|
|
if (!E->isImplicitAccess())
|
|
AddStmt(E->getBase());
|
|
}
|
|
void EnqueueVisitor::VisitCXXNewExpr(CXXNewExpr *E) {
|
|
// Enqueue the initializer or constructor arguments.
|
|
for (unsigned I = E->getNumConstructorArgs(); I > 0; --I)
|
|
AddStmt(E->getConstructorArg(I-1));
|
|
// Enqueue the array size, if any.
|
|
AddStmt(E->getArraySize());
|
|
// Enqueue the allocated type.
|
|
AddTypeLoc(E->getAllocatedTypeSourceInfo());
|
|
// Enqueue the placement arguments.
|
|
for (unsigned I = E->getNumPlacementArgs(); I > 0; --I)
|
|
AddStmt(E->getPlacementArg(I-1));
|
|
}
|
|
void EnqueueVisitor::VisitCXXOperatorCallExpr(CXXOperatorCallExpr *CE) {
|
|
for (unsigned I = CE->getNumArgs(); I > 1 /* Yes, this is 1 */; --I)
|
|
AddStmt(CE->getArg(I-1));
|
|
AddStmt(CE->getCallee());
|
|
AddStmt(CE->getArg(0));
|
|
}
|
|
void EnqueueVisitor::VisitCXXPseudoDestructorExpr(CXXPseudoDestructorExpr *E) {
|
|
// Visit the name of the type being destroyed.
|
|
AddTypeLoc(E->getDestroyedTypeInfo());
|
|
// Visit the scope type that looks disturbingly like the nested-name-specifier
|
|
// but isn't.
|
|
AddTypeLoc(E->getScopeTypeInfo());
|
|
// Visit the nested-name-specifier.
|
|
if (NestedNameSpecifierLoc QualifierLoc = E->getQualifierLoc())
|
|
AddNestedNameSpecifierLoc(QualifierLoc);
|
|
// Visit base expression.
|
|
AddStmt(E->getBase());
|
|
}
|
|
void EnqueueVisitor::VisitCXXScalarValueInitExpr(CXXScalarValueInitExpr *E) {
|
|
AddTypeLoc(E->getTypeSourceInfo());
|
|
}
|
|
void EnqueueVisitor::VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr *E) {
|
|
EnqueueChildren(E);
|
|
AddTypeLoc(E->getTypeSourceInfo());
|
|
}
|
|
void EnqueueVisitor::VisitCXXTypeidExpr(CXXTypeidExpr *E) {
|
|
EnqueueChildren(E);
|
|
if (E->isTypeOperand())
|
|
AddTypeLoc(E->getTypeOperandSourceInfo());
|
|
}
|
|
|
|
void EnqueueVisitor::VisitCXXUnresolvedConstructExpr(CXXUnresolvedConstructExpr
|
|
*E) {
|
|
EnqueueChildren(E);
|
|
AddTypeLoc(E->getTypeSourceInfo());
|
|
}
|
|
void EnqueueVisitor::VisitCXXUuidofExpr(CXXUuidofExpr *E) {
|
|
EnqueueChildren(E);
|
|
if (E->isTypeOperand())
|
|
AddTypeLoc(E->getTypeOperandSourceInfo());
|
|
}
|
|
void EnqueueVisitor::VisitDeclRefExpr(DeclRefExpr *DR) {
|
|
if (DR->hasExplicitTemplateArgs()) {
|
|
AddExplicitTemplateArgs(&DR->getExplicitTemplateArgs());
|
|
}
|
|
WL.push_back(DeclRefExprParts(DR, Parent));
|
|
}
|
|
void EnqueueVisitor::VisitDependentScopeDeclRefExpr(DependentScopeDeclRefExpr *E) {
|
|
AddExplicitTemplateArgs(E->getOptionalExplicitTemplateArgs());
|
|
AddDeclarationNameInfo(E);
|
|
AddNestedNameSpecifierLoc(E->getQualifierLoc());
|
|
}
|
|
void EnqueueVisitor::VisitDeclStmt(DeclStmt *S) {
|
|
unsigned size = WL.size();
|
|
bool isFirst = true;
|
|
for (DeclStmt::decl_iterator D = S->decl_begin(), DEnd = S->decl_end();
|
|
D != DEnd; ++D) {
|
|
AddDecl(*D, isFirst);
|
|
isFirst = false;
|
|
}
|
|
if (size == WL.size())
|
|
return;
|
|
// Now reverse the entries we just added. This will match the DFS
|
|
// ordering performed by the worklist.
|
|
VisitorWorkList::iterator I = WL.begin() + size, E = WL.end();
|
|
std::reverse(I, E);
|
|
}
|
|
void EnqueueVisitor::VisitDesignatedInitExpr(DesignatedInitExpr *E) {
|
|
AddStmt(E->getInit());
|
|
typedef DesignatedInitExpr::Designator Designator;
|
|
for (DesignatedInitExpr::reverse_designators_iterator
|
|
D = E->designators_rbegin(), DEnd = E->designators_rend();
|
|
D != DEnd; ++D) {
|
|
if (D->isFieldDesignator()) {
|
|
if (FieldDecl *Field = D->getField())
|
|
AddMemberRef(Field, D->getFieldLoc());
|
|
continue;
|
|
}
|
|
if (D->isArrayDesignator()) {
|
|
AddStmt(E->getArrayIndex(*D));
|
|
continue;
|
|
}
|
|
assert(D->isArrayRangeDesignator() && "Unknown designator kind");
|
|
AddStmt(E->getArrayRangeEnd(*D));
|
|
AddStmt(E->getArrayRangeStart(*D));
|
|
}
|
|
}
|
|
void EnqueueVisitor::VisitExplicitCastExpr(ExplicitCastExpr *E) {
|
|
EnqueueChildren(E);
|
|
AddTypeLoc(E->getTypeInfoAsWritten());
|
|
}
|
|
void EnqueueVisitor::VisitForStmt(ForStmt *FS) {
|
|
AddStmt(FS->getBody());
|
|
AddStmt(FS->getInc());
|
|
AddStmt(FS->getCond());
|
|
AddDecl(FS->getConditionVariable());
|
|
AddStmt(FS->getInit());
|
|
}
|
|
void EnqueueVisitor::VisitGotoStmt(GotoStmt *GS) {
|
|
WL.push_back(LabelRefVisit(GS->getLabel(), GS->getLabelLoc(), Parent));
|
|
}
|
|
void EnqueueVisitor::VisitIfStmt(IfStmt *If) {
|
|
AddStmt(If->getElse());
|
|
AddStmt(If->getThen());
|
|
AddStmt(If->getCond());
|
|
AddDecl(If->getConditionVariable());
|
|
}
|
|
void EnqueueVisitor::VisitInitListExpr(InitListExpr *IE) {
|
|
// We care about the syntactic form of the initializer list, only.
|
|
if (InitListExpr *Syntactic = IE->getSyntacticForm())
|
|
IE = Syntactic;
|
|
EnqueueChildren(IE);
|
|
}
|
|
void EnqueueVisitor::VisitMemberExpr(MemberExpr *M) {
|
|
WL.push_back(MemberExprParts(M, Parent));
|
|
|
|
// If the base of the member access expression is an implicit 'this', don't
|
|
// visit it.
|
|
// FIXME: If we ever want to show these implicit accesses, this will be
|
|
// unfortunate. However, clang_getCursor() relies on this behavior.
|
|
if (!M->isImplicitAccess())
|
|
AddStmt(M->getBase());
|
|
}
|
|
void EnqueueVisitor::VisitObjCEncodeExpr(ObjCEncodeExpr *E) {
|
|
AddTypeLoc(E->getEncodedTypeSourceInfo());
|
|
}
|
|
void EnqueueVisitor::VisitObjCMessageExpr(ObjCMessageExpr *M) {
|
|
EnqueueChildren(M);
|
|
AddTypeLoc(M->getClassReceiverTypeInfo());
|
|
}
|
|
void EnqueueVisitor::VisitOffsetOfExpr(OffsetOfExpr *E) {
|
|
// Visit the components of the offsetof expression.
|
|
for (unsigned N = E->getNumComponents(), I = N; I > 0; --I) {
|
|
typedef OffsetOfExpr::OffsetOfNode OffsetOfNode;
|
|
const OffsetOfNode &Node = E->getComponent(I-1);
|
|
switch (Node.getKind()) {
|
|
case OffsetOfNode::Array:
|
|
AddStmt(E->getIndexExpr(Node.getArrayExprIndex()));
|
|
break;
|
|
case OffsetOfNode::Field:
|
|
AddMemberRef(Node.getField(), Node.getSourceRange().getEnd());
|
|
break;
|
|
case OffsetOfNode::Identifier:
|
|
case OffsetOfNode::Base:
|
|
continue;
|
|
}
|
|
}
|
|
// Visit the type into which we're computing the offset.
|
|
AddTypeLoc(E->getTypeSourceInfo());
|
|
}
|
|
void EnqueueVisitor::VisitOverloadExpr(OverloadExpr *E) {
|
|
AddExplicitTemplateArgs(E->getOptionalExplicitTemplateArgs());
|
|
WL.push_back(OverloadExprParts(E, Parent));
|
|
}
|
|
void EnqueueVisitor::VisitUnaryExprOrTypeTraitExpr(
|
|
UnaryExprOrTypeTraitExpr *E) {
|
|
EnqueueChildren(E);
|
|
if (E->isArgumentType())
|
|
AddTypeLoc(E->getArgumentTypeInfo());
|
|
}
|
|
void EnqueueVisitor::VisitStmt(Stmt *S) {
|
|
EnqueueChildren(S);
|
|
}
|
|
void EnqueueVisitor::VisitSwitchStmt(SwitchStmt *S) {
|
|
AddStmt(S->getBody());
|
|
AddStmt(S->getCond());
|
|
AddDecl(S->getConditionVariable());
|
|
}
|
|
|
|
void EnqueueVisitor::VisitWhileStmt(WhileStmt *W) {
|
|
AddStmt(W->getBody());
|
|
AddStmt(W->getCond());
|
|
AddDecl(W->getConditionVariable());
|
|
}
|
|
|
|
void EnqueueVisitor::VisitUnaryTypeTraitExpr(UnaryTypeTraitExpr *E) {
|
|
AddTypeLoc(E->getQueriedTypeSourceInfo());
|
|
}
|
|
|
|
void EnqueueVisitor::VisitBinaryTypeTraitExpr(BinaryTypeTraitExpr *E) {
|
|
AddTypeLoc(E->getRhsTypeSourceInfo());
|
|
AddTypeLoc(E->getLhsTypeSourceInfo());
|
|
}
|
|
|
|
void EnqueueVisitor::VisitArrayTypeTraitExpr(ArrayTypeTraitExpr *E) {
|
|
AddTypeLoc(E->getQueriedTypeSourceInfo());
|
|
}
|
|
|
|
void EnqueueVisitor::VisitExpressionTraitExpr(ExpressionTraitExpr *E) {
|
|
EnqueueChildren(E);
|
|
}
|
|
|
|
void EnqueueVisitor::VisitUnresolvedMemberExpr(UnresolvedMemberExpr *U) {
|
|
VisitOverloadExpr(U);
|
|
if (!U->isImplicitAccess())
|
|
AddStmt(U->getBase());
|
|
}
|
|
void EnqueueVisitor::VisitVAArgExpr(VAArgExpr *E) {
|
|
AddStmt(E->getSubExpr());
|
|
AddTypeLoc(E->getWrittenTypeInfo());
|
|
}
|
|
void EnqueueVisitor::VisitSizeOfPackExpr(SizeOfPackExpr *E) {
|
|
WL.push_back(SizeOfPackExprParts(E, Parent));
|
|
}
|
|
|
|
void CursorVisitor::EnqueueWorkList(VisitorWorkList &WL, Stmt *S) {
|
|
EnqueueVisitor(WL, MakeCXCursor(S, StmtParent, TU)).Visit(S);
|
|
}
|
|
|
|
bool CursorVisitor::IsInRegionOfInterest(CXCursor C) {
|
|
if (RegionOfInterest.isValid()) {
|
|
SourceRange Range = getRawCursorExtent(C);
|
|
if (Range.isInvalid() || CompareRegionOfInterest(Range))
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool CursorVisitor::RunVisitorWorkList(VisitorWorkList &WL) {
|
|
while (!WL.empty()) {
|
|
// Dequeue the worklist item.
|
|
VisitorJob LI = WL.back();
|
|
WL.pop_back();
|
|
|
|
// Set the Parent field, then back to its old value once we're done.
|
|
SetParentRAII SetParent(Parent, StmtParent, LI.getParent());
|
|
|
|
switch (LI.getKind()) {
|
|
case VisitorJob::DeclVisitKind: {
|
|
Decl *D = cast<DeclVisit>(&LI)->get();
|
|
if (!D)
|
|
continue;
|
|
|
|
// For now, perform default visitation for Decls.
|
|
if (Visit(MakeCXCursor(D, TU, cast<DeclVisit>(&LI)->isFirst())))
|
|
return true;
|
|
|
|
continue;
|
|
}
|
|
case VisitorJob::ExplicitTemplateArgsVisitKind: {
|
|
const ASTTemplateArgumentListInfo *ArgList =
|
|
cast<ExplicitTemplateArgsVisit>(&LI)->get();
|
|
for (const TemplateArgumentLoc *Arg = ArgList->getTemplateArgs(),
|
|
*ArgEnd = Arg + ArgList->NumTemplateArgs;
|
|
Arg != ArgEnd; ++Arg) {
|
|
if (VisitTemplateArgumentLoc(*Arg))
|
|
return true;
|
|
}
|
|
continue;
|
|
}
|
|
case VisitorJob::TypeLocVisitKind: {
|
|
// Perform default visitation for TypeLocs.
|
|
if (Visit(cast<TypeLocVisit>(&LI)->get()))
|
|
return true;
|
|
continue;
|
|
}
|
|
case VisitorJob::LabelRefVisitKind: {
|
|
LabelDecl *LS = cast<LabelRefVisit>(&LI)->get();
|
|
if (LabelStmt *stmt = LS->getStmt()) {
|
|
if (Visit(MakeCursorLabelRef(stmt, cast<LabelRefVisit>(&LI)->getLoc(),
|
|
TU))) {
|
|
return true;
|
|
}
|
|
}
|
|
continue;
|
|
}
|
|
|
|
case VisitorJob::NestedNameSpecifierLocVisitKind: {
|
|
NestedNameSpecifierLocVisit *V = cast<NestedNameSpecifierLocVisit>(&LI);
|
|
if (VisitNestedNameSpecifierLoc(V->get()))
|
|
return true;
|
|
continue;
|
|
}
|
|
|
|
case VisitorJob::DeclarationNameInfoVisitKind: {
|
|
if (VisitDeclarationNameInfo(cast<DeclarationNameInfoVisit>(&LI)
|
|
->get()))
|
|
return true;
|
|
continue;
|
|
}
|
|
case VisitorJob::MemberRefVisitKind: {
|
|
MemberRefVisit *V = cast<MemberRefVisit>(&LI);
|
|
if (Visit(MakeCursorMemberRef(V->get(), V->getLoc(), TU)))
|
|
return true;
|
|
continue;
|
|
}
|
|
case VisitorJob::StmtVisitKind: {
|
|
Stmt *S = cast<StmtVisit>(&LI)->get();
|
|
if (!S)
|
|
continue;
|
|
|
|
// Update the current cursor.
|
|
CXCursor Cursor = MakeCXCursor(S, StmtParent, TU);
|
|
if (!IsInRegionOfInterest(Cursor))
|
|
continue;
|
|
switch (Visitor(Cursor, Parent, ClientData)) {
|
|
case CXChildVisit_Break: return true;
|
|
case CXChildVisit_Continue: break;
|
|
case CXChildVisit_Recurse:
|
|
EnqueueWorkList(WL, S);
|
|
break;
|
|
}
|
|
continue;
|
|
}
|
|
case VisitorJob::MemberExprPartsKind: {
|
|
// Handle the other pieces in the MemberExpr besides the base.
|
|
MemberExpr *M = cast<MemberExprParts>(&LI)->get();
|
|
|
|
// Visit the nested-name-specifier
|
|
if (NestedNameSpecifierLoc QualifierLoc = M->getQualifierLoc())
|
|
if (VisitNestedNameSpecifierLoc(QualifierLoc))
|
|
return true;
|
|
|
|
// Visit the declaration name.
|
|
if (VisitDeclarationNameInfo(M->getMemberNameInfo()))
|
|
return true;
|
|
|
|
// Visit the explicitly-specified template arguments, if any.
|
|
if (M->hasExplicitTemplateArgs()) {
|
|
for (const TemplateArgumentLoc *Arg = M->getTemplateArgs(),
|
|
*ArgEnd = Arg + M->getNumTemplateArgs();
|
|
Arg != ArgEnd; ++Arg) {
|
|
if (VisitTemplateArgumentLoc(*Arg))
|
|
return true;
|
|
}
|
|
}
|
|
continue;
|
|
}
|
|
case VisitorJob::DeclRefExprPartsKind: {
|
|
DeclRefExpr *DR = cast<DeclRefExprParts>(&LI)->get();
|
|
// Visit nested-name-specifier, if present.
|
|
if (NestedNameSpecifierLoc QualifierLoc = DR->getQualifierLoc())
|
|
if (VisitNestedNameSpecifierLoc(QualifierLoc))
|
|
return true;
|
|
// Visit declaration name.
|
|
if (VisitDeclarationNameInfo(DR->getNameInfo()))
|
|
return true;
|
|
continue;
|
|
}
|
|
case VisitorJob::OverloadExprPartsKind: {
|
|
OverloadExpr *O = cast<OverloadExprParts>(&LI)->get();
|
|
// Visit the nested-name-specifier.
|
|
if (NestedNameSpecifierLoc QualifierLoc = O->getQualifierLoc())
|
|
if (VisitNestedNameSpecifierLoc(QualifierLoc))
|
|
return true;
|
|
// Visit the declaration name.
|
|
if (VisitDeclarationNameInfo(O->getNameInfo()))
|
|
return true;
|
|
// Visit the overloaded declaration reference.
|
|
if (Visit(MakeCursorOverloadedDeclRef(O, TU)))
|
|
return true;
|
|
continue;
|
|
}
|
|
case VisitorJob::SizeOfPackExprPartsKind: {
|
|
SizeOfPackExpr *E = cast<SizeOfPackExprParts>(&LI)->get();
|
|
NamedDecl *Pack = E->getPack();
|
|
if (isa<TemplateTypeParmDecl>(Pack)) {
|
|
if (Visit(MakeCursorTypeRef(cast<TemplateTypeParmDecl>(Pack),
|
|
E->getPackLoc(), TU)))
|
|
return true;
|
|
|
|
continue;
|
|
}
|
|
|
|
if (isa<TemplateTemplateParmDecl>(Pack)) {
|
|
if (Visit(MakeCursorTemplateRef(cast<TemplateTemplateParmDecl>(Pack),
|
|
E->getPackLoc(), TU)))
|
|
return true;
|
|
|
|
continue;
|
|
}
|
|
|
|
// Non-type template parameter packs and function parameter packs are
|
|
// treated like DeclRefExpr cursors.
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::Visit(Stmt *S) {
|
|
VisitorWorkList *WL = 0;
|
|
if (!WorkListFreeList.empty()) {
|
|
WL = WorkListFreeList.back();
|
|
WL->clear();
|
|
WorkListFreeList.pop_back();
|
|
}
|
|
else {
|
|
WL = new VisitorWorkList();
|
|
WorkListCache.push_back(WL);
|
|
}
|
|
EnqueueWorkList(*WL, S);
|
|
bool result = RunVisitorWorkList(*WL);
|
|
WorkListFreeList.push_back(WL);
|
|
return result;
|
|
}
|
|
|
|
namespace {
|
|
typedef llvm::SmallVector<SourceRange, 4> RefNamePieces;
|
|
RefNamePieces buildPieces(unsigned NameFlags, bool IsMemberRefExpr,
|
|
const DeclarationNameInfo &NI,
|
|
const SourceRange &QLoc,
|
|
const ASTTemplateArgumentListInfo *TemplateArgs = 0){
|
|
const bool WantQualifier = NameFlags & CXNameRange_WantQualifier;
|
|
const bool WantTemplateArgs = NameFlags & CXNameRange_WantTemplateArgs;
|
|
const bool WantSinglePiece = NameFlags & CXNameRange_WantSinglePiece;
|
|
|
|
const DeclarationName::NameKind Kind = NI.getName().getNameKind();
|
|
|
|
RefNamePieces Pieces;
|
|
|
|
if (WantQualifier && QLoc.isValid())
|
|
Pieces.push_back(QLoc);
|
|
|
|
if (Kind != DeclarationName::CXXOperatorName || IsMemberRefExpr)
|
|
Pieces.push_back(NI.getLoc());
|
|
|
|
if (WantTemplateArgs && TemplateArgs)
|
|
Pieces.push_back(SourceRange(TemplateArgs->LAngleLoc,
|
|
TemplateArgs->RAngleLoc));
|
|
|
|
if (Kind == DeclarationName::CXXOperatorName) {
|
|
Pieces.push_back(SourceLocation::getFromRawEncoding(
|
|
NI.getInfo().CXXOperatorName.BeginOpNameLoc));
|
|
Pieces.push_back(SourceLocation::getFromRawEncoding(
|
|
NI.getInfo().CXXOperatorName.EndOpNameLoc));
|
|
}
|
|
|
|
if (WantSinglePiece) {
|
|
SourceRange R(Pieces.front().getBegin(), Pieces.back().getEnd());
|
|
Pieces.clear();
|
|
Pieces.push_back(R);
|
|
}
|
|
|
|
return Pieces;
|
|
}
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Misc. API hooks.
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
static llvm::sys::Mutex EnableMultithreadingMutex;
|
|
static bool EnabledMultithreading;
|
|
|
|
extern "C" {
|
|
CXIndex clang_createIndex(int excludeDeclarationsFromPCH,
|
|
int displayDiagnostics) {
|
|
// Disable pretty stack trace functionality, which will otherwise be a very
|
|
// poor citizen of the world and set up all sorts of signal handlers.
|
|
llvm::DisablePrettyStackTrace = true;
|
|
|
|
// We use crash recovery to make some of our APIs more reliable, implicitly
|
|
// enable it.
|
|
llvm::CrashRecoveryContext::Enable();
|
|
|
|
// Enable support for multithreading in LLVM.
|
|
{
|
|
llvm::sys::ScopedLock L(EnableMultithreadingMutex);
|
|
if (!EnabledMultithreading) {
|
|
llvm::llvm_start_multithreaded();
|
|
EnabledMultithreading = true;
|
|
}
|
|
}
|
|
|
|
CIndexer *CIdxr = new CIndexer();
|
|
if (excludeDeclarationsFromPCH)
|
|
CIdxr->setOnlyLocalDecls();
|
|
if (displayDiagnostics)
|
|
CIdxr->setDisplayDiagnostics();
|
|
return CIdxr;
|
|
}
|
|
|
|
void clang_disposeIndex(CXIndex CIdx) {
|
|
if (CIdx)
|
|
delete static_cast<CIndexer *>(CIdx);
|
|
}
|
|
|
|
void clang_toggleCrashRecovery(unsigned isEnabled) {
|
|
if (isEnabled)
|
|
llvm::CrashRecoveryContext::Enable();
|
|
else
|
|
llvm::CrashRecoveryContext::Disable();
|
|
}
|
|
|
|
CXTranslationUnit clang_createTranslationUnit(CXIndex CIdx,
|
|
const char *ast_filename) {
|
|
if (!CIdx)
|
|
return 0;
|
|
|
|
CIndexer *CXXIdx = static_cast<CIndexer *>(CIdx);
|
|
FileSystemOptions FileSystemOpts;
|
|
FileSystemOpts.WorkingDir = CXXIdx->getWorkingDirectory();
|
|
|
|
llvm::IntrusiveRefCntPtr<Diagnostic> Diags;
|
|
ASTUnit *TU = ASTUnit::LoadFromASTFile(ast_filename, Diags, FileSystemOpts,
|
|
CXXIdx->getOnlyLocalDecls(),
|
|
0, 0, true);
|
|
return MakeCXTranslationUnit(TU);
|
|
}
|
|
|
|
unsigned clang_defaultEditingTranslationUnitOptions() {
|
|
return CXTranslationUnit_PrecompiledPreamble |
|
|
CXTranslationUnit_CacheCompletionResults;
|
|
}
|
|
|
|
CXTranslationUnit
|
|
clang_createTranslationUnitFromSourceFile(CXIndex CIdx,
|
|
const char *source_filename,
|
|
int num_command_line_args,
|
|
const char * const *command_line_args,
|
|
unsigned num_unsaved_files,
|
|
struct CXUnsavedFile *unsaved_files) {
|
|
unsigned Options = CXTranslationUnit_DetailedPreprocessingRecord |
|
|
CXTranslationUnit_NestedMacroExpansions;
|
|
return clang_parseTranslationUnit(CIdx, source_filename,
|
|
command_line_args, num_command_line_args,
|
|
unsaved_files, num_unsaved_files,
|
|
Options);
|
|
}
|
|
|
|
struct ParseTranslationUnitInfo {
|
|
CXIndex CIdx;
|
|
const char *source_filename;
|
|
const char *const *command_line_args;
|
|
int num_command_line_args;
|
|
struct CXUnsavedFile *unsaved_files;
|
|
unsigned num_unsaved_files;
|
|
unsigned options;
|
|
CXTranslationUnit result;
|
|
};
|
|
static void clang_parseTranslationUnit_Impl(void *UserData) {
|
|
ParseTranslationUnitInfo *PTUI =
|
|
static_cast<ParseTranslationUnitInfo*>(UserData);
|
|
CXIndex CIdx = PTUI->CIdx;
|
|
const char *source_filename = PTUI->source_filename;
|
|
const char * const *command_line_args = PTUI->command_line_args;
|
|
int num_command_line_args = PTUI->num_command_line_args;
|
|
struct CXUnsavedFile *unsaved_files = PTUI->unsaved_files;
|
|
unsigned num_unsaved_files = PTUI->num_unsaved_files;
|
|
unsigned options = PTUI->options;
|
|
PTUI->result = 0;
|
|
|
|
if (!CIdx)
|
|
return;
|
|
|
|
CIndexer *CXXIdx = static_cast<CIndexer *>(CIdx);
|
|
|
|
bool PrecompilePreamble = options & CXTranslationUnit_PrecompiledPreamble;
|
|
// FIXME: Add a flag for modules.
|
|
TranslationUnitKind TUKind
|
|
= (options & CXTranslationUnit_Incomplete)? TU_Prefix : TU_Complete;
|
|
bool CacheCodeCompetionResults
|
|
= options & CXTranslationUnit_CacheCompletionResults;
|
|
|
|
// Configure the diagnostics.
|
|
DiagnosticOptions DiagOpts;
|
|
llvm::IntrusiveRefCntPtr<Diagnostic>
|
|
Diags(CompilerInstance::createDiagnostics(DiagOpts, num_command_line_args,
|
|
command_line_args));
|
|
|
|
// Recover resources if we crash before exiting this function.
|
|
llvm::CrashRecoveryContextCleanupRegistrar<Diagnostic,
|
|
llvm::CrashRecoveryContextReleaseRefCleanup<Diagnostic> >
|
|
DiagCleanup(Diags.getPtr());
|
|
|
|
llvm::OwningPtr<std::vector<ASTUnit::RemappedFile> >
|
|
RemappedFiles(new std::vector<ASTUnit::RemappedFile>());
|
|
|
|
// Recover resources if we crash before exiting this function.
|
|
llvm::CrashRecoveryContextCleanupRegistrar<
|
|
std::vector<ASTUnit::RemappedFile> > RemappedCleanup(RemappedFiles.get());
|
|
|
|
for (unsigned I = 0; I != num_unsaved_files; ++I) {
|
|
StringRef Data(unsaved_files[I].Contents, unsaved_files[I].Length);
|
|
const llvm::MemoryBuffer *Buffer
|
|
= llvm::MemoryBuffer::getMemBufferCopy(Data, unsaved_files[I].Filename);
|
|
RemappedFiles->push_back(std::make_pair(unsaved_files[I].Filename,
|
|
Buffer));
|
|
}
|
|
|
|
llvm::OwningPtr<std::vector<const char *> >
|
|
Args(new std::vector<const char*>());
|
|
|
|
// Recover resources if we crash before exiting this method.
|
|
llvm::CrashRecoveryContextCleanupRegistrar<std::vector<const char*> >
|
|
ArgsCleanup(Args.get());
|
|
|
|
// Since the Clang C library is primarily used by batch tools dealing with
|
|
// (often very broken) source code, where spell-checking can have a
|
|
// significant negative impact on performance (particularly when
|
|
// precompiled headers are involved), we disable it by default.
|
|
// Only do this if we haven't found a spell-checking-related argument.
|
|
bool FoundSpellCheckingArgument = false;
|
|
for (int I = 0; I != num_command_line_args; ++I) {
|
|
if (strcmp(command_line_args[I], "-fno-spell-checking") == 0 ||
|
|
strcmp(command_line_args[I], "-fspell-checking") == 0) {
|
|
FoundSpellCheckingArgument = true;
|
|
break;
|
|
}
|
|
}
|
|
if (!FoundSpellCheckingArgument)
|
|
Args->push_back("-fno-spell-checking");
|
|
|
|
Args->insert(Args->end(), command_line_args,
|
|
command_line_args + num_command_line_args);
|
|
|
|
// The 'source_filename' argument is optional. If the caller does not
|
|
// specify it then it is assumed that the source file is specified
|
|
// in the actual argument list.
|
|
// Put the source file after command_line_args otherwise if '-x' flag is
|
|
// present it will be unused.
|
|
if (source_filename)
|
|
Args->push_back(source_filename);
|
|
|
|
// Do we need the detailed preprocessing record?
|
|
bool NestedMacroExpansions = false;
|
|
if (options & CXTranslationUnit_DetailedPreprocessingRecord) {
|
|
Args->push_back("-Xclang");
|
|
Args->push_back("-detailed-preprocessing-record");
|
|
NestedMacroExpansions
|
|
= (options & CXTranslationUnit_NestedMacroExpansions);
|
|
}
|
|
|
|
unsigned NumErrors = Diags->getClient()->getNumErrors();
|
|
llvm::OwningPtr<ASTUnit> Unit(
|
|
ASTUnit::LoadFromCommandLine(Args->size() ? &(*Args)[0] : 0
|
|
/* vector::data() not portable */,
|
|
Args->size() ? (&(*Args)[0] + Args->size()) :0,
|
|
Diags,
|
|
CXXIdx->getClangResourcesPath(),
|
|
CXXIdx->getOnlyLocalDecls(),
|
|
/*CaptureDiagnostics=*/true,
|
|
RemappedFiles->size() ? &(*RemappedFiles)[0]:0,
|
|
RemappedFiles->size(),
|
|
/*RemappedFilesKeepOriginalName=*/true,
|
|
PrecompilePreamble,
|
|
TUKind,
|
|
CacheCodeCompetionResults,
|
|
NestedMacroExpansions));
|
|
|
|
if (NumErrors != Diags->getClient()->getNumErrors()) {
|
|
// Make sure to check that 'Unit' is non-NULL.
|
|
if (CXXIdx->getDisplayDiagnostics() && Unit.get()) {
|
|
for (ASTUnit::stored_diag_iterator D = Unit->stored_diag_begin(),
|
|
DEnd = Unit->stored_diag_end();
|
|
D != DEnd; ++D) {
|
|
CXStoredDiagnostic Diag(*D, Unit->getASTContext().getLangOptions());
|
|
CXString Msg = clang_formatDiagnostic(&Diag,
|
|
clang_defaultDiagnosticDisplayOptions());
|
|
fprintf(stderr, "%s\n", clang_getCString(Msg));
|
|
clang_disposeString(Msg);
|
|
}
|
|
#ifdef LLVM_ON_WIN32
|
|
// On Windows, force a flush, since there may be multiple copies of
|
|
// stderr and stdout in the file system, all with different buffers
|
|
// but writing to the same device.
|
|
fflush(stderr);
|
|
#endif
|
|
}
|
|
}
|
|
|
|
PTUI->result = MakeCXTranslationUnit(Unit.take());
|
|
}
|
|
CXTranslationUnit clang_parseTranslationUnit(CXIndex CIdx,
|
|
const char *source_filename,
|
|
const char * const *command_line_args,
|
|
int num_command_line_args,
|
|
struct CXUnsavedFile *unsaved_files,
|
|
unsigned num_unsaved_files,
|
|
unsigned options) {
|
|
ParseTranslationUnitInfo PTUI = { CIdx, source_filename, command_line_args,
|
|
num_command_line_args, unsaved_files,
|
|
num_unsaved_files, options, 0 };
|
|
llvm::CrashRecoveryContext CRC;
|
|
|
|
if (!RunSafely(CRC, clang_parseTranslationUnit_Impl, &PTUI)) {
|
|
fprintf(stderr, "libclang: crash detected during parsing: {\n");
|
|
fprintf(stderr, " 'source_filename' : '%s'\n", source_filename);
|
|
fprintf(stderr, " 'command_line_args' : [");
|
|
for (int i = 0; i != num_command_line_args; ++i) {
|
|
if (i)
|
|
fprintf(stderr, ", ");
|
|
fprintf(stderr, "'%s'", command_line_args[i]);
|
|
}
|
|
fprintf(stderr, "],\n");
|
|
fprintf(stderr, " 'unsaved_files' : [");
|
|
for (unsigned i = 0; i != num_unsaved_files; ++i) {
|
|
if (i)
|
|
fprintf(stderr, ", ");
|
|
fprintf(stderr, "('%s', '...', %ld)", unsaved_files[i].Filename,
|
|
unsaved_files[i].Length);
|
|
}
|
|
fprintf(stderr, "],\n");
|
|
fprintf(stderr, " 'options' : %d,\n", options);
|
|
fprintf(stderr, "}\n");
|
|
|
|
return 0;
|
|
} else if (getenv("LIBCLANG_RESOURCE_USAGE")) {
|
|
PrintLibclangResourceUsage(PTUI.result);
|
|
}
|
|
|
|
return PTUI.result;
|
|
}
|
|
|
|
unsigned clang_defaultSaveOptions(CXTranslationUnit TU) {
|
|
return CXSaveTranslationUnit_None;
|
|
}
|
|
|
|
int clang_saveTranslationUnit(CXTranslationUnit TU, const char *FileName,
|
|
unsigned options) {
|
|
if (!TU)
|
|
return CXSaveError_InvalidTU;
|
|
|
|
CXSaveError result = static_cast<ASTUnit *>(TU->TUData)->Save(FileName);
|
|
if (getenv("LIBCLANG_RESOURCE_USAGE"))
|
|
PrintLibclangResourceUsage(TU);
|
|
return result;
|
|
}
|
|
|
|
void clang_disposeTranslationUnit(CXTranslationUnit CTUnit) {
|
|
if (CTUnit) {
|
|
// If the translation unit has been marked as unsafe to free, just discard
|
|
// it.
|
|
if (static_cast<ASTUnit *>(CTUnit->TUData)->isUnsafeToFree())
|
|
return;
|
|
|
|
delete static_cast<ASTUnit *>(CTUnit->TUData);
|
|
disposeCXStringPool(CTUnit->StringPool);
|
|
delete CTUnit;
|
|
}
|
|
}
|
|
|
|
unsigned clang_defaultReparseOptions(CXTranslationUnit TU) {
|
|
return CXReparse_None;
|
|
}
|
|
|
|
struct ReparseTranslationUnitInfo {
|
|
CXTranslationUnit TU;
|
|
unsigned num_unsaved_files;
|
|
struct CXUnsavedFile *unsaved_files;
|
|
unsigned options;
|
|
int result;
|
|
};
|
|
|
|
static void clang_reparseTranslationUnit_Impl(void *UserData) {
|
|
ReparseTranslationUnitInfo *RTUI =
|
|
static_cast<ReparseTranslationUnitInfo*>(UserData);
|
|
CXTranslationUnit TU = RTUI->TU;
|
|
unsigned num_unsaved_files = RTUI->num_unsaved_files;
|
|
struct CXUnsavedFile *unsaved_files = RTUI->unsaved_files;
|
|
unsigned options = RTUI->options;
|
|
(void) options;
|
|
RTUI->result = 1;
|
|
|
|
if (!TU)
|
|
return;
|
|
|
|
ASTUnit *CXXUnit = static_cast<ASTUnit *>(TU->TUData);
|
|
ASTUnit::ConcurrencyCheck Check(*CXXUnit);
|
|
|
|
llvm::OwningPtr<std::vector<ASTUnit::RemappedFile> >
|
|
RemappedFiles(new std::vector<ASTUnit::RemappedFile>());
|
|
|
|
// Recover resources if we crash before exiting this function.
|
|
llvm::CrashRecoveryContextCleanupRegistrar<
|
|
std::vector<ASTUnit::RemappedFile> > RemappedCleanup(RemappedFiles.get());
|
|
|
|
for (unsigned I = 0; I != num_unsaved_files; ++I) {
|
|
StringRef Data(unsaved_files[I].Contents, unsaved_files[I].Length);
|
|
const llvm::MemoryBuffer *Buffer
|
|
= llvm::MemoryBuffer::getMemBufferCopy(Data, unsaved_files[I].Filename);
|
|
RemappedFiles->push_back(std::make_pair(unsaved_files[I].Filename,
|
|
Buffer));
|
|
}
|
|
|
|
if (!CXXUnit->Reparse(RemappedFiles->size() ? &(*RemappedFiles)[0] : 0,
|
|
RemappedFiles->size()))
|
|
RTUI->result = 0;
|
|
}
|
|
|
|
int clang_reparseTranslationUnit(CXTranslationUnit TU,
|
|
unsigned num_unsaved_files,
|
|
struct CXUnsavedFile *unsaved_files,
|
|
unsigned options) {
|
|
ReparseTranslationUnitInfo RTUI = { TU, num_unsaved_files, unsaved_files,
|
|
options, 0 };
|
|
llvm::CrashRecoveryContext CRC;
|
|
|
|
if (!RunSafely(CRC, clang_reparseTranslationUnit_Impl, &RTUI)) {
|
|
fprintf(stderr, "libclang: crash detected during reparsing\n");
|
|
static_cast<ASTUnit *>(TU->TUData)->setUnsafeToFree(true);
|
|
return 1;
|
|
} else if (getenv("LIBCLANG_RESOURCE_USAGE"))
|
|
PrintLibclangResourceUsage(TU);
|
|
|
|
return RTUI.result;
|
|
}
|
|
|
|
|
|
CXString clang_getTranslationUnitSpelling(CXTranslationUnit CTUnit) {
|
|
if (!CTUnit)
|
|
return createCXString("");
|
|
|
|
ASTUnit *CXXUnit = static_cast<ASTUnit *>(CTUnit->TUData);
|
|
return createCXString(CXXUnit->getOriginalSourceFileName(), true);
|
|
}
|
|
|
|
CXCursor clang_getTranslationUnitCursor(CXTranslationUnit TU) {
|
|
CXCursor Result = { CXCursor_TranslationUnit, { 0, 0, TU } };
|
|
return Result;
|
|
}
|
|
|
|
} // end: extern "C"
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// CXSourceLocation and CXSourceRange Operations.
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
extern "C" {
|
|
CXSourceLocation clang_getNullLocation() {
|
|
CXSourceLocation Result = { { 0, 0 }, 0 };
|
|
return Result;
|
|
}
|
|
|
|
unsigned clang_equalLocations(CXSourceLocation loc1, CXSourceLocation loc2) {
|
|
return (loc1.ptr_data[0] == loc2.ptr_data[0] &&
|
|
loc1.ptr_data[1] == loc2.ptr_data[1] &&
|
|
loc1.int_data == loc2.int_data);
|
|
}
|
|
|
|
CXSourceLocation clang_getLocation(CXTranslationUnit tu,
|
|
CXFile file,
|
|
unsigned line,
|
|
unsigned column) {
|
|
if (!tu || !file)
|
|
return clang_getNullLocation();
|
|
|
|
bool Logging = ::getenv("LIBCLANG_LOGGING");
|
|
ASTUnit *CXXUnit = static_cast<ASTUnit *>(tu->TUData);
|
|
const FileEntry *File = static_cast<const FileEntry *>(file);
|
|
SourceLocation SLoc = CXXUnit->getLocation(File, line, column);
|
|
if (SLoc.isInvalid()) {
|
|
if (Logging)
|
|
llvm::errs() << "clang_getLocation(\"" << File->getName()
|
|
<< "\", " << line << ", " << column << ") = invalid\n";
|
|
return clang_getNullLocation();
|
|
}
|
|
|
|
if (Logging)
|
|
llvm::errs() << "clang_getLocation(\"" << File->getName()
|
|
<< "\", " << line << ", " << column << ") = "
|
|
<< SLoc.getRawEncoding() << "\n";
|
|
|
|
return cxloc::translateSourceLocation(CXXUnit->getASTContext(), SLoc);
|
|
}
|
|
|
|
CXSourceLocation clang_getLocationForOffset(CXTranslationUnit tu,
|
|
CXFile file,
|
|
unsigned offset) {
|
|
if (!tu || !file)
|
|
return clang_getNullLocation();
|
|
|
|
ASTUnit *CXXUnit = static_cast<ASTUnit *>(tu->TUData);
|
|
SourceLocation SLoc
|
|
= CXXUnit->getLocation(static_cast<const FileEntry *>(file), offset);
|
|
if (SLoc.isInvalid()) return clang_getNullLocation();
|
|
|
|
return cxloc::translateSourceLocation(CXXUnit->getASTContext(), SLoc);
|
|
}
|
|
|
|
CXSourceRange clang_getNullRange() {
|
|
CXSourceRange Result = { { 0, 0 }, 0, 0 };
|
|
return Result;
|
|
}
|
|
|
|
CXSourceRange clang_getRange(CXSourceLocation begin, CXSourceLocation end) {
|
|
if (begin.ptr_data[0] != end.ptr_data[0] ||
|
|
begin.ptr_data[1] != end.ptr_data[1])
|
|
return clang_getNullRange();
|
|
|
|
CXSourceRange Result = { { begin.ptr_data[0], begin.ptr_data[1] },
|
|
begin.int_data, end.int_data };
|
|
return Result;
|
|
}
|
|
|
|
unsigned clang_equalRanges(CXSourceRange range1, CXSourceRange range2)
|
|
{
|
|
return range1.ptr_data[0] == range2.ptr_data[0]
|
|
&& range1.ptr_data[1] == range2.ptr_data[1]
|
|
&& range1.begin_int_data == range2.begin_int_data
|
|
&& range1.end_int_data == range2.end_int_data;
|
|
}
|
|
} // end: extern "C"
|
|
|
|
static void createNullLocation(CXFile *file, unsigned *line,
|
|
unsigned *column, unsigned *offset) {
|
|
if (file)
|
|
*file = 0;
|
|
if (line)
|
|
*line = 0;
|
|
if (column)
|
|
*column = 0;
|
|
if (offset)
|
|
*offset = 0;
|
|
return;
|
|
}
|
|
|
|
extern "C" {
|
|
void clang_getExpansionLocation(CXSourceLocation location,
|
|
CXFile *file,
|
|
unsigned *line,
|
|
unsigned *column,
|
|
unsigned *offset) {
|
|
SourceLocation Loc = SourceLocation::getFromRawEncoding(location.int_data);
|
|
|
|
if (!location.ptr_data[0] || Loc.isInvalid()) {
|
|
createNullLocation(file, line, column, offset);
|
|
return;
|
|
}
|
|
|
|
const SourceManager &SM =
|
|
*static_cast<const SourceManager*>(location.ptr_data[0]);
|
|
SourceLocation ExpansionLoc = SM.getExpansionLoc(Loc);
|
|
|
|
// Check that the FileID is invalid on the expansion location.
|
|
// This can manifest in invalid code.
|
|
FileID fileID = SM.getFileID(ExpansionLoc);
|
|
bool Invalid = false;
|
|
const SrcMgr::SLocEntry &sloc = SM.getSLocEntry(fileID, &Invalid);
|
|
if (!sloc.isFile() || Invalid) {
|
|
createNullLocation(file, line, column, offset);
|
|
return;
|
|
}
|
|
|
|
if (file)
|
|
*file = (void *)SM.getFileEntryForSLocEntry(sloc);
|
|
if (line)
|
|
*line = SM.getExpansionLineNumber(ExpansionLoc);
|
|
if (column)
|
|
*column = SM.getExpansionColumnNumber(ExpansionLoc);
|
|
if (offset)
|
|
*offset = SM.getDecomposedLoc(ExpansionLoc).second;
|
|
}
|
|
|
|
void clang_getPresumedLocation(CXSourceLocation location,
|
|
CXString *filename,
|
|
unsigned *line,
|
|
unsigned *column) {
|
|
SourceLocation Loc = SourceLocation::getFromRawEncoding(location.int_data);
|
|
|
|
if (!location.ptr_data[0] || Loc.isInvalid()) {
|
|
if (filename)
|
|
*filename = createCXString("");
|
|
if (line)
|
|
*line = 0;
|
|
if (column)
|
|
*column = 0;
|
|
}
|
|
else {
|
|
const SourceManager &SM =
|
|
*static_cast<const SourceManager*>(location.ptr_data[0]);
|
|
PresumedLoc PreLoc = SM.getPresumedLoc(Loc);
|
|
|
|
if (filename)
|
|
*filename = createCXString(PreLoc.getFilename());
|
|
if (line)
|
|
*line = PreLoc.getLine();
|
|
if (column)
|
|
*column = PreLoc.getColumn();
|
|
}
|
|
}
|
|
|
|
void clang_getInstantiationLocation(CXSourceLocation location,
|
|
CXFile *file,
|
|
unsigned *line,
|
|
unsigned *column,
|
|
unsigned *offset) {
|
|
// Redirect to new API.
|
|
clang_getExpansionLocation(location, file, line, column, offset);
|
|
}
|
|
|
|
void clang_getSpellingLocation(CXSourceLocation location,
|
|
CXFile *file,
|
|
unsigned *line,
|
|
unsigned *column,
|
|
unsigned *offset) {
|
|
SourceLocation Loc = SourceLocation::getFromRawEncoding(location.int_data);
|
|
|
|
if (!location.ptr_data[0] || Loc.isInvalid())
|
|
return createNullLocation(file, line, column, offset);
|
|
|
|
const SourceManager &SM =
|
|
*static_cast<const SourceManager*>(location.ptr_data[0]);
|
|
SourceLocation SpellLoc = Loc;
|
|
if (SpellLoc.isMacroID()) {
|
|
SourceLocation SimpleSpellingLoc = SM.getImmediateSpellingLoc(SpellLoc);
|
|
if (SimpleSpellingLoc.isFileID() &&
|
|
SM.getFileEntryForID(SM.getDecomposedLoc(SimpleSpellingLoc).first))
|
|
SpellLoc = SimpleSpellingLoc;
|
|
else
|
|
SpellLoc = SM.getExpansionLoc(SpellLoc);
|
|
}
|
|
|
|
std::pair<FileID, unsigned> LocInfo = SM.getDecomposedLoc(SpellLoc);
|
|
FileID FID = LocInfo.first;
|
|
unsigned FileOffset = LocInfo.second;
|
|
|
|
if (FID.isInvalid())
|
|
return createNullLocation(file, line, column, offset);
|
|
|
|
if (file)
|
|
*file = (void *)SM.getFileEntryForID(FID);
|
|
if (line)
|
|
*line = SM.getLineNumber(FID, FileOffset);
|
|
if (column)
|
|
*column = SM.getColumnNumber(FID, FileOffset);
|
|
if (offset)
|
|
*offset = FileOffset;
|
|
}
|
|
|
|
CXSourceLocation clang_getRangeStart(CXSourceRange range) {
|
|
CXSourceLocation Result = { { range.ptr_data[0], range.ptr_data[1] },
|
|
range.begin_int_data };
|
|
return Result;
|
|
}
|
|
|
|
CXSourceLocation clang_getRangeEnd(CXSourceRange range) {
|
|
CXSourceLocation Result = { { range.ptr_data[0], range.ptr_data[1] },
|
|
range.end_int_data };
|
|
return Result;
|
|
}
|
|
|
|
} // end: extern "C"
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// CXFile Operations.
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
extern "C" {
|
|
CXString clang_getFileName(CXFile SFile) {
|
|
if (!SFile)
|
|
return createCXString((const char*)NULL);
|
|
|
|
FileEntry *FEnt = static_cast<FileEntry *>(SFile);
|
|
return createCXString(FEnt->getName());
|
|
}
|
|
|
|
time_t clang_getFileTime(CXFile SFile) {
|
|
if (!SFile)
|
|
return 0;
|
|
|
|
FileEntry *FEnt = static_cast<FileEntry *>(SFile);
|
|
return FEnt->getModificationTime();
|
|
}
|
|
|
|
CXFile clang_getFile(CXTranslationUnit tu, const char *file_name) {
|
|
if (!tu)
|
|
return 0;
|
|
|
|
ASTUnit *CXXUnit = static_cast<ASTUnit *>(tu->TUData);
|
|
|
|
FileManager &FMgr = CXXUnit->getFileManager();
|
|
return const_cast<FileEntry *>(FMgr.getFile(file_name));
|
|
}
|
|
|
|
unsigned clang_isFileMultipleIncludeGuarded(CXTranslationUnit tu, CXFile file) {
|
|
if (!tu || !file)
|
|
return 0;
|
|
|
|
ASTUnit *CXXUnit = static_cast<ASTUnit *>(tu->TUData);
|
|
FileEntry *FEnt = static_cast<FileEntry *>(file);
|
|
return CXXUnit->getPreprocessor().getHeaderSearchInfo()
|
|
.isFileMultipleIncludeGuarded(FEnt);
|
|
}
|
|
|
|
} // end: extern "C"
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// CXCursor Operations.
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
static Decl *getDeclFromExpr(Stmt *E) {
|
|
if (ImplicitCastExpr *CE = dyn_cast<ImplicitCastExpr>(E))
|
|
return getDeclFromExpr(CE->getSubExpr());
|
|
|
|
if (DeclRefExpr *RefExpr = dyn_cast<DeclRefExpr>(E))
|
|
return RefExpr->getDecl();
|
|
if (BlockDeclRefExpr *RefExpr = dyn_cast<BlockDeclRefExpr>(E))
|
|
return RefExpr->getDecl();
|
|
if (MemberExpr *ME = dyn_cast<MemberExpr>(E))
|
|
return ME->getMemberDecl();
|
|
if (ObjCIvarRefExpr *RE = dyn_cast<ObjCIvarRefExpr>(E))
|
|
return RE->getDecl();
|
|
if (ObjCPropertyRefExpr *PRE = dyn_cast<ObjCPropertyRefExpr>(E))
|
|
return PRE->isExplicitProperty() ? PRE->getExplicitProperty() : 0;
|
|
|
|
if (CallExpr *CE = dyn_cast<CallExpr>(E))
|
|
return getDeclFromExpr(CE->getCallee());
|
|
if (CXXConstructExpr *CE = dyn_cast<CXXConstructExpr>(E))
|
|
if (!CE->isElidable())
|
|
return CE->getConstructor();
|
|
if (ObjCMessageExpr *OME = dyn_cast<ObjCMessageExpr>(E))
|
|
return OME->getMethodDecl();
|
|
|
|
if (ObjCProtocolExpr *PE = dyn_cast<ObjCProtocolExpr>(E))
|
|
return PE->getProtocol();
|
|
if (SubstNonTypeTemplateParmPackExpr *NTTP
|
|
= dyn_cast<SubstNonTypeTemplateParmPackExpr>(E))
|
|
return NTTP->getParameterPack();
|
|
if (SizeOfPackExpr *SizeOfPack = dyn_cast<SizeOfPackExpr>(E))
|
|
if (isa<NonTypeTemplateParmDecl>(SizeOfPack->getPack()) ||
|
|
isa<ParmVarDecl>(SizeOfPack->getPack()))
|
|
return SizeOfPack->getPack();
|
|
|
|
return 0;
|
|
}
|
|
|
|
static SourceLocation getLocationFromExpr(Expr *E) {
|
|
if (ImplicitCastExpr *CE = dyn_cast<ImplicitCastExpr>(E))
|
|
return getLocationFromExpr(CE->getSubExpr());
|
|
|
|
if (ObjCMessageExpr *Msg = dyn_cast<ObjCMessageExpr>(E))
|
|
return /*FIXME:*/Msg->getLeftLoc();
|
|
if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(E))
|
|
return DRE->getLocation();
|
|
if (BlockDeclRefExpr *RefExpr = dyn_cast<BlockDeclRefExpr>(E))
|
|
return RefExpr->getLocation();
|
|
if (MemberExpr *Member = dyn_cast<MemberExpr>(E))
|
|
return Member->getMemberLoc();
|
|
if (ObjCIvarRefExpr *Ivar = dyn_cast<ObjCIvarRefExpr>(E))
|
|
return Ivar->getLocation();
|
|
if (SizeOfPackExpr *SizeOfPack = dyn_cast<SizeOfPackExpr>(E))
|
|
return SizeOfPack->getPackLoc();
|
|
|
|
return E->getLocStart();
|
|
}
|
|
|
|
extern "C" {
|
|
|
|
unsigned clang_visitChildren(CXCursor parent,
|
|
CXCursorVisitor visitor,
|
|
CXClientData client_data) {
|
|
CursorVisitor CursorVis(getCursorTU(parent), visitor, client_data,
|
|
false);
|
|
return CursorVis.VisitChildren(parent);
|
|
}
|
|
|
|
#ifndef __has_feature
|
|
#define __has_feature(x) 0
|
|
#endif
|
|
#if __has_feature(blocks)
|
|
typedef enum CXChildVisitResult
|
|
(^CXCursorVisitorBlock)(CXCursor cursor, CXCursor parent);
|
|
|
|
static enum CXChildVisitResult visitWithBlock(CXCursor cursor, CXCursor parent,
|
|
CXClientData client_data) {
|
|
CXCursorVisitorBlock block = (CXCursorVisitorBlock)client_data;
|
|
return block(cursor, parent);
|
|
}
|
|
#else
|
|
// If we are compiled with a compiler that doesn't have native blocks support,
|
|
// define and call the block manually, so the
|
|
typedef struct _CXChildVisitResult
|
|
{
|
|
void *isa;
|
|
int flags;
|
|
int reserved;
|
|
enum CXChildVisitResult(*invoke)(struct _CXChildVisitResult*, CXCursor,
|
|
CXCursor);
|
|
} *CXCursorVisitorBlock;
|
|
|
|
static enum CXChildVisitResult visitWithBlock(CXCursor cursor, CXCursor parent,
|
|
CXClientData client_data) {
|
|
CXCursorVisitorBlock block = (CXCursorVisitorBlock)client_data;
|
|
return block->invoke(block, cursor, parent);
|
|
}
|
|
#endif
|
|
|
|
|
|
unsigned clang_visitChildrenWithBlock(CXCursor parent,
|
|
CXCursorVisitorBlock block) {
|
|
return clang_visitChildren(parent, visitWithBlock, block);
|
|
}
|
|
|
|
static CXString getDeclSpelling(Decl *D) {
|
|
NamedDecl *ND = dyn_cast_or_null<NamedDecl>(D);
|
|
if (!ND) {
|
|
if (ObjCPropertyImplDecl *PropImpl =dyn_cast<ObjCPropertyImplDecl>(D))
|
|
if (ObjCPropertyDecl *Property = PropImpl->getPropertyDecl())
|
|
return createCXString(Property->getIdentifier()->getName());
|
|
|
|
return createCXString("");
|
|
}
|
|
|
|
if (ObjCMethodDecl *OMD = dyn_cast<ObjCMethodDecl>(ND))
|
|
return createCXString(OMD->getSelector().getAsString());
|
|
|
|
if (ObjCCategoryImplDecl *CIMP = dyn_cast<ObjCCategoryImplDecl>(ND))
|
|
// No, this isn't the same as the code below. getIdentifier() is non-virtual
|
|
// and returns different names. NamedDecl returns the class name and
|
|
// ObjCCategoryImplDecl returns the category name.
|
|
return createCXString(CIMP->getIdentifier()->getNameStart());
|
|
|
|
if (isa<UsingDirectiveDecl>(D))
|
|
return createCXString("");
|
|
|
|
llvm::SmallString<1024> S;
|
|
llvm::raw_svector_ostream os(S);
|
|
ND->printName(os);
|
|
|
|
return createCXString(os.str());
|
|
}
|
|
|
|
CXString clang_getCursorSpelling(CXCursor C) {
|
|
if (clang_isTranslationUnit(C.kind))
|
|
return clang_getTranslationUnitSpelling(
|
|
static_cast<CXTranslationUnit>(C.data[2]));
|
|
|
|
if (clang_isReference(C.kind)) {
|
|
switch (C.kind) {
|
|
case CXCursor_ObjCSuperClassRef: {
|
|
ObjCInterfaceDecl *Super = getCursorObjCSuperClassRef(C).first;
|
|
return createCXString(Super->getIdentifier()->getNameStart());
|
|
}
|
|
case CXCursor_ObjCClassRef: {
|
|
ObjCInterfaceDecl *Class = getCursorObjCClassRef(C).first;
|
|
return createCXString(Class->getIdentifier()->getNameStart());
|
|
}
|
|
case CXCursor_ObjCProtocolRef: {
|
|
ObjCProtocolDecl *OID = getCursorObjCProtocolRef(C).first;
|
|
assert(OID && "getCursorSpelling(): Missing protocol decl");
|
|
return createCXString(OID->getIdentifier()->getNameStart());
|
|
}
|
|
case CXCursor_CXXBaseSpecifier: {
|
|
CXXBaseSpecifier *B = getCursorCXXBaseSpecifier(C);
|
|
return createCXString(B->getType().getAsString());
|
|
}
|
|
case CXCursor_TypeRef: {
|
|
TypeDecl *Type = getCursorTypeRef(C).first;
|
|
assert(Type && "Missing type decl");
|
|
|
|
return createCXString(getCursorContext(C).getTypeDeclType(Type).
|
|
getAsString());
|
|
}
|
|
case CXCursor_TemplateRef: {
|
|
TemplateDecl *Template = getCursorTemplateRef(C).first;
|
|
assert(Template && "Missing template decl");
|
|
|
|
return createCXString(Template->getNameAsString());
|
|
}
|
|
|
|
case CXCursor_NamespaceRef: {
|
|
NamedDecl *NS = getCursorNamespaceRef(C).first;
|
|
assert(NS && "Missing namespace decl");
|
|
|
|
return createCXString(NS->getNameAsString());
|
|
}
|
|
|
|
case CXCursor_MemberRef: {
|
|
FieldDecl *Field = getCursorMemberRef(C).first;
|
|
assert(Field && "Missing member decl");
|
|
|
|
return createCXString(Field->getNameAsString());
|
|
}
|
|
|
|
case CXCursor_LabelRef: {
|
|
LabelStmt *Label = getCursorLabelRef(C).first;
|
|
assert(Label && "Missing label");
|
|
|
|
return createCXString(Label->getName());
|
|
}
|
|
|
|
case CXCursor_OverloadedDeclRef: {
|
|
OverloadedDeclRefStorage Storage = getCursorOverloadedDeclRef(C).first;
|
|
if (Decl *D = Storage.dyn_cast<Decl *>()) {
|
|
if (NamedDecl *ND = dyn_cast<NamedDecl>(D))
|
|
return createCXString(ND->getNameAsString());
|
|
return createCXString("");
|
|
}
|
|
if (OverloadExpr *E = Storage.dyn_cast<OverloadExpr *>())
|
|
return createCXString(E->getName().getAsString());
|
|
OverloadedTemplateStorage *Ovl
|
|
= Storage.get<OverloadedTemplateStorage*>();
|
|
if (Ovl->size() == 0)
|
|
return createCXString("");
|
|
return createCXString((*Ovl->begin())->getNameAsString());
|
|
}
|
|
|
|
default:
|
|
return createCXString("<not implemented>");
|
|
}
|
|
}
|
|
|
|
if (clang_isExpression(C.kind)) {
|
|
Decl *D = getDeclFromExpr(getCursorExpr(C));
|
|
if (D)
|
|
return getDeclSpelling(D);
|
|
return createCXString("");
|
|
}
|
|
|
|
if (clang_isStatement(C.kind)) {
|
|
Stmt *S = getCursorStmt(C);
|
|
if (LabelStmt *Label = dyn_cast_or_null<LabelStmt>(S))
|
|
return createCXString(Label->getName());
|
|
|
|
return createCXString("");
|
|
}
|
|
|
|
if (C.kind == CXCursor_MacroExpansion)
|
|
return createCXString(getCursorMacroExpansion(C)->getName()
|
|
->getNameStart());
|
|
|
|
if (C.kind == CXCursor_MacroDefinition)
|
|
return createCXString(getCursorMacroDefinition(C)->getName()
|
|
->getNameStart());
|
|
|
|
if (C.kind == CXCursor_InclusionDirective)
|
|
return createCXString(getCursorInclusionDirective(C)->getFileName());
|
|
|
|
if (clang_isDeclaration(C.kind))
|
|
return getDeclSpelling(getCursorDecl(C));
|
|
|
|
return createCXString("");
|
|
}
|
|
|
|
CXString clang_getCursorDisplayName(CXCursor C) {
|
|
if (!clang_isDeclaration(C.kind))
|
|
return clang_getCursorSpelling(C);
|
|
|
|
Decl *D = getCursorDecl(C);
|
|
if (!D)
|
|
return createCXString("");
|
|
|
|
PrintingPolicy &Policy = getCursorContext(C).PrintingPolicy;
|
|
if (FunctionTemplateDecl *FunTmpl = dyn_cast<FunctionTemplateDecl>(D))
|
|
D = FunTmpl->getTemplatedDecl();
|
|
|
|
if (FunctionDecl *Function = dyn_cast<FunctionDecl>(D)) {
|
|
llvm::SmallString<64> Str;
|
|
llvm::raw_svector_ostream OS(Str);
|
|
OS << Function->getNameAsString();
|
|
if (Function->getPrimaryTemplate())
|
|
OS << "<>";
|
|
OS << "(";
|
|
for (unsigned I = 0, N = Function->getNumParams(); I != N; ++I) {
|
|
if (I)
|
|
OS << ", ";
|
|
OS << Function->getParamDecl(I)->getType().getAsString(Policy);
|
|
}
|
|
|
|
if (Function->isVariadic()) {
|
|
if (Function->getNumParams())
|
|
OS << ", ";
|
|
OS << "...";
|
|
}
|
|
OS << ")";
|
|
return createCXString(OS.str());
|
|
}
|
|
|
|
if (ClassTemplateDecl *ClassTemplate = dyn_cast<ClassTemplateDecl>(D)) {
|
|
llvm::SmallString<64> Str;
|
|
llvm::raw_svector_ostream OS(Str);
|
|
OS << ClassTemplate->getNameAsString();
|
|
OS << "<";
|
|
TemplateParameterList *Params = ClassTemplate->getTemplateParameters();
|
|
for (unsigned I = 0, N = Params->size(); I != N; ++I) {
|
|
if (I)
|
|
OS << ", ";
|
|
|
|
NamedDecl *Param = Params->getParam(I);
|
|
if (Param->getIdentifier()) {
|
|
OS << Param->getIdentifier()->getName();
|
|
continue;
|
|
}
|
|
|
|
// There is no parameter name, which makes this tricky. Try to come up
|
|
// with something useful that isn't too long.
|
|
if (TemplateTypeParmDecl *TTP = dyn_cast<TemplateTypeParmDecl>(Param))
|
|
OS << (TTP->wasDeclaredWithTypename()? "typename" : "class");
|
|
else if (NonTypeTemplateParmDecl *NTTP
|
|
= dyn_cast<NonTypeTemplateParmDecl>(Param))
|
|
OS << NTTP->getType().getAsString(Policy);
|
|
else
|
|
OS << "template<...> class";
|
|
}
|
|
|
|
OS << ">";
|
|
return createCXString(OS.str());
|
|
}
|
|
|
|
if (ClassTemplateSpecializationDecl *ClassSpec
|
|
= dyn_cast<ClassTemplateSpecializationDecl>(D)) {
|
|
// If the type was explicitly written, use that.
|
|
if (TypeSourceInfo *TSInfo = ClassSpec->getTypeAsWritten())
|
|
return createCXString(TSInfo->getType().getAsString(Policy));
|
|
|
|
llvm::SmallString<64> Str;
|
|
llvm::raw_svector_ostream OS(Str);
|
|
OS << ClassSpec->getNameAsString();
|
|
OS << TemplateSpecializationType::PrintTemplateArgumentList(
|
|
ClassSpec->getTemplateArgs().data(),
|
|
ClassSpec->getTemplateArgs().size(),
|
|
Policy);
|
|
return createCXString(OS.str());
|
|
}
|
|
|
|
return clang_getCursorSpelling(C);
|
|
}
|
|
|
|
CXString clang_getCursorKindSpelling(enum CXCursorKind Kind) {
|
|
switch (Kind) {
|
|
case CXCursor_FunctionDecl:
|
|
return createCXString("FunctionDecl");
|
|
case CXCursor_TypedefDecl:
|
|
return createCXString("TypedefDecl");
|
|
case CXCursor_EnumDecl:
|
|
return createCXString("EnumDecl");
|
|
case CXCursor_EnumConstantDecl:
|
|
return createCXString("EnumConstantDecl");
|
|
case CXCursor_StructDecl:
|
|
return createCXString("StructDecl");
|
|
case CXCursor_UnionDecl:
|
|
return createCXString("UnionDecl");
|
|
case CXCursor_ClassDecl:
|
|
return createCXString("ClassDecl");
|
|
case CXCursor_FieldDecl:
|
|
return createCXString("FieldDecl");
|
|
case CXCursor_VarDecl:
|
|
return createCXString("VarDecl");
|
|
case CXCursor_ParmDecl:
|
|
return createCXString("ParmDecl");
|
|
case CXCursor_ObjCInterfaceDecl:
|
|
return createCXString("ObjCInterfaceDecl");
|
|
case CXCursor_ObjCCategoryDecl:
|
|
return createCXString("ObjCCategoryDecl");
|
|
case CXCursor_ObjCProtocolDecl:
|
|
return createCXString("ObjCProtocolDecl");
|
|
case CXCursor_ObjCPropertyDecl:
|
|
return createCXString("ObjCPropertyDecl");
|
|
case CXCursor_ObjCIvarDecl:
|
|
return createCXString("ObjCIvarDecl");
|
|
case CXCursor_ObjCInstanceMethodDecl:
|
|
return createCXString("ObjCInstanceMethodDecl");
|
|
case CXCursor_ObjCClassMethodDecl:
|
|
return createCXString("ObjCClassMethodDecl");
|
|
case CXCursor_ObjCImplementationDecl:
|
|
return createCXString("ObjCImplementationDecl");
|
|
case CXCursor_ObjCCategoryImplDecl:
|
|
return createCXString("ObjCCategoryImplDecl");
|
|
case CXCursor_CXXMethod:
|
|
return createCXString("CXXMethod");
|
|
case CXCursor_UnexposedDecl:
|
|
return createCXString("UnexposedDecl");
|
|
case CXCursor_ObjCSuperClassRef:
|
|
return createCXString("ObjCSuperClassRef");
|
|
case CXCursor_ObjCProtocolRef:
|
|
return createCXString("ObjCProtocolRef");
|
|
case CXCursor_ObjCClassRef:
|
|
return createCXString("ObjCClassRef");
|
|
case CXCursor_TypeRef:
|
|
return createCXString("TypeRef");
|
|
case CXCursor_TemplateRef:
|
|
return createCXString("TemplateRef");
|
|
case CXCursor_NamespaceRef:
|
|
return createCXString("NamespaceRef");
|
|
case CXCursor_MemberRef:
|
|
return createCXString("MemberRef");
|
|
case CXCursor_LabelRef:
|
|
return createCXString("LabelRef");
|
|
case CXCursor_OverloadedDeclRef:
|
|
return createCXString("OverloadedDeclRef");
|
|
case CXCursor_UnexposedExpr:
|
|
return createCXString("UnexposedExpr");
|
|
case CXCursor_BlockExpr:
|
|
return createCXString("BlockExpr");
|
|
case CXCursor_DeclRefExpr:
|
|
return createCXString("DeclRefExpr");
|
|
case CXCursor_MemberRefExpr:
|
|
return createCXString("MemberRefExpr");
|
|
case CXCursor_CallExpr:
|
|
return createCXString("CallExpr");
|
|
case CXCursor_ObjCMessageExpr:
|
|
return createCXString("ObjCMessageExpr");
|
|
case CXCursor_UnexposedStmt:
|
|
return createCXString("UnexposedStmt");
|
|
case CXCursor_LabelStmt:
|
|
return createCXString("LabelStmt");
|
|
case CXCursor_InvalidFile:
|
|
return createCXString("InvalidFile");
|
|
case CXCursor_InvalidCode:
|
|
return createCXString("InvalidCode");
|
|
case CXCursor_NoDeclFound:
|
|
return createCXString("NoDeclFound");
|
|
case CXCursor_NotImplemented:
|
|
return createCXString("NotImplemented");
|
|
case CXCursor_TranslationUnit:
|
|
return createCXString("TranslationUnit");
|
|
case CXCursor_UnexposedAttr:
|
|
return createCXString("UnexposedAttr");
|
|
case CXCursor_IBActionAttr:
|
|
return createCXString("attribute(ibaction)");
|
|
case CXCursor_IBOutletAttr:
|
|
return createCXString("attribute(iboutlet)");
|
|
case CXCursor_IBOutletCollectionAttr:
|
|
return createCXString("attribute(iboutletcollection)");
|
|
case CXCursor_CXXFinalAttr:
|
|
return createCXString("attribute(final)");
|
|
case CXCursor_CXXOverrideAttr:
|
|
return createCXString("attribute(override)");
|
|
case CXCursor_PreprocessingDirective:
|
|
return createCXString("preprocessing directive");
|
|
case CXCursor_MacroDefinition:
|
|
return createCXString("macro definition");
|
|
case CXCursor_MacroExpansion:
|
|
return createCXString("macro expansion");
|
|
case CXCursor_InclusionDirective:
|
|
return createCXString("inclusion directive");
|
|
case CXCursor_Namespace:
|
|
return createCXString("Namespace");
|
|
case CXCursor_LinkageSpec:
|
|
return createCXString("LinkageSpec");
|
|
case CXCursor_CXXBaseSpecifier:
|
|
return createCXString("C++ base class specifier");
|
|
case CXCursor_Constructor:
|
|
return createCXString("CXXConstructor");
|
|
case CXCursor_Destructor:
|
|
return createCXString("CXXDestructor");
|
|
case CXCursor_ConversionFunction:
|
|
return createCXString("CXXConversion");
|
|
case CXCursor_TemplateTypeParameter:
|
|
return createCXString("TemplateTypeParameter");
|
|
case CXCursor_NonTypeTemplateParameter:
|
|
return createCXString("NonTypeTemplateParameter");
|
|
case CXCursor_TemplateTemplateParameter:
|
|
return createCXString("TemplateTemplateParameter");
|
|
case CXCursor_FunctionTemplate:
|
|
return createCXString("FunctionTemplate");
|
|
case CXCursor_ClassTemplate:
|
|
return createCXString("ClassTemplate");
|
|
case CXCursor_ClassTemplatePartialSpecialization:
|
|
return createCXString("ClassTemplatePartialSpecialization");
|
|
case CXCursor_NamespaceAlias:
|
|
return createCXString("NamespaceAlias");
|
|
case CXCursor_UsingDirective:
|
|
return createCXString("UsingDirective");
|
|
case CXCursor_UsingDeclaration:
|
|
return createCXString("UsingDeclaration");
|
|
case CXCursor_TypeAliasDecl:
|
|
return createCXString("TypeAliasDecl");
|
|
case CXCursor_ObjCSynthesizeDecl:
|
|
return createCXString("ObjCSynthesizeDecl");
|
|
case CXCursor_ObjCDynamicDecl:
|
|
return createCXString("ObjCDynamicDecl");
|
|
}
|
|
|
|
llvm_unreachable("Unhandled CXCursorKind");
|
|
return createCXString((const char*) 0);
|
|
}
|
|
|
|
struct GetCursorData {
|
|
SourceLocation TokenBeginLoc;
|
|
bool PointsAtMacroArgExpansion;
|
|
CXCursor &BestCursor;
|
|
|
|
GetCursorData(SourceManager &SM,
|
|
SourceLocation tokenBegin, CXCursor &outputCursor)
|
|
: TokenBeginLoc(tokenBegin), BestCursor(outputCursor) {
|
|
PointsAtMacroArgExpansion = SM.isMacroArgExpansion(tokenBegin);
|
|
}
|
|
};
|
|
|
|
static enum CXChildVisitResult GetCursorVisitor(CXCursor cursor,
|
|
CXCursor parent,
|
|
CXClientData client_data) {
|
|
GetCursorData *Data = static_cast<GetCursorData *>(client_data);
|
|
CXCursor *BestCursor = &Data->BestCursor;
|
|
|
|
// If we point inside a macro argument we should provide info of what the
|
|
// token is so use the actual cursor, don't replace it with a macro expansion
|
|
// cursor.
|
|
if (cursor.kind == CXCursor_MacroExpansion && Data->PointsAtMacroArgExpansion)
|
|
return CXChildVisit_Recurse;
|
|
|
|
if (clang_isExpression(cursor.kind) &&
|
|
clang_isDeclaration(BestCursor->kind)) {
|
|
Decl *D = getCursorDecl(*BestCursor);
|
|
|
|
// Avoid having the cursor of an expression replace the declaration cursor
|
|
// when the expression source range overlaps the declaration range.
|
|
// This can happen for C++ constructor expressions whose range generally
|
|
// include the variable declaration, e.g.:
|
|
// MyCXXClass foo; // Make sure pointing at 'foo' returns a VarDecl cursor.
|
|
if (D->getLocation().isValid() && Data->TokenBeginLoc.isValid() &&
|
|
D->getLocation() == Data->TokenBeginLoc)
|
|
return CXChildVisit_Break;
|
|
}
|
|
|
|
// If our current best cursor is the construction of a temporary object,
|
|
// don't replace that cursor with a type reference, because we want
|
|
// clang_getCursor() to point at the constructor.
|
|
if (clang_isExpression(BestCursor->kind) &&
|
|
isa<CXXTemporaryObjectExpr>(getCursorExpr(*BestCursor)) &&
|
|
cursor.kind == CXCursor_TypeRef)
|
|
return CXChildVisit_Recurse;
|
|
|
|
*BestCursor = cursor;
|
|
return CXChildVisit_Recurse;
|
|
}
|
|
|
|
CXCursor clang_getCursor(CXTranslationUnit TU, CXSourceLocation Loc) {
|
|
if (!TU)
|
|
return clang_getNullCursor();
|
|
|
|
ASTUnit *CXXUnit = static_cast<ASTUnit *>(TU->TUData);
|
|
ASTUnit::ConcurrencyCheck Check(*CXXUnit);
|
|
|
|
// Translate the given source location to make it point at the beginning of
|
|
// the token under the cursor.
|
|
SourceLocation SLoc = cxloc::translateSourceLocation(Loc);
|
|
|
|
// Guard against an invalid SourceLocation, or we may assert in one
|
|
// of the following calls.
|
|
if (SLoc.isInvalid())
|
|
return clang_getNullCursor();
|
|
|
|
bool Logging = getenv("LIBCLANG_LOGGING");
|
|
SLoc = Lexer::GetBeginningOfToken(SLoc, CXXUnit->getSourceManager(),
|
|
CXXUnit->getASTContext().getLangOptions());
|
|
|
|
CXCursor Result = MakeCXCursorInvalid(CXCursor_NoDeclFound);
|
|
if (SLoc.isValid()) {
|
|
// FIXME: Would be great to have a "hint" cursor, then walk from that
|
|
// hint cursor upward until we find a cursor whose source range encloses
|
|
// the region of interest, rather than starting from the translation unit.
|
|
GetCursorData ResultData(CXXUnit->getSourceManager(), SLoc, Result);
|
|
CXCursor Parent = clang_getTranslationUnitCursor(TU);
|
|
CursorVisitor CursorVis(TU, GetCursorVisitor, &ResultData,
|
|
/*VisitPreprocessorLast=*/true,
|
|
SourceLocation(SLoc));
|
|
CursorVis.VisitChildren(Parent);
|
|
}
|
|
|
|
if (Logging) {
|
|
CXFile SearchFile;
|
|
unsigned SearchLine, SearchColumn;
|
|
CXFile ResultFile;
|
|
unsigned ResultLine, ResultColumn;
|
|
CXString SearchFileName, ResultFileName, KindSpelling, USR;
|
|
const char *IsDef = clang_isCursorDefinition(Result)? " (Definition)" : "";
|
|
CXSourceLocation ResultLoc = clang_getCursorLocation(Result);
|
|
|
|
clang_getExpansionLocation(Loc, &SearchFile, &SearchLine, &SearchColumn, 0);
|
|
clang_getExpansionLocation(ResultLoc, &ResultFile, &ResultLine,
|
|
&ResultColumn, 0);
|
|
SearchFileName = clang_getFileName(SearchFile);
|
|
ResultFileName = clang_getFileName(ResultFile);
|
|
KindSpelling = clang_getCursorKindSpelling(Result.kind);
|
|
USR = clang_getCursorUSR(Result);
|
|
fprintf(stderr, "clang_getCursor(%s:%d:%d) = %s(%s:%d:%d):%s%s\n",
|
|
clang_getCString(SearchFileName), SearchLine, SearchColumn,
|
|
clang_getCString(KindSpelling),
|
|
clang_getCString(ResultFileName), ResultLine, ResultColumn,
|
|
clang_getCString(USR), IsDef);
|
|
clang_disposeString(SearchFileName);
|
|
clang_disposeString(ResultFileName);
|
|
clang_disposeString(KindSpelling);
|
|
clang_disposeString(USR);
|
|
|
|
CXCursor Definition = clang_getCursorDefinition(Result);
|
|
if (!clang_equalCursors(Definition, clang_getNullCursor())) {
|
|
CXSourceLocation DefinitionLoc = clang_getCursorLocation(Definition);
|
|
CXString DefinitionKindSpelling
|
|
= clang_getCursorKindSpelling(Definition.kind);
|
|
CXFile DefinitionFile;
|
|
unsigned DefinitionLine, DefinitionColumn;
|
|
clang_getExpansionLocation(DefinitionLoc, &DefinitionFile,
|
|
&DefinitionLine, &DefinitionColumn, 0);
|
|
CXString DefinitionFileName = clang_getFileName(DefinitionFile);
|
|
fprintf(stderr, " -> %s(%s:%d:%d)\n",
|
|
clang_getCString(DefinitionKindSpelling),
|
|
clang_getCString(DefinitionFileName),
|
|
DefinitionLine, DefinitionColumn);
|
|
clang_disposeString(DefinitionFileName);
|
|
clang_disposeString(DefinitionKindSpelling);
|
|
}
|
|
}
|
|
|
|
return Result;
|
|
}
|
|
|
|
CXCursor clang_getNullCursor(void) {
|
|
return MakeCXCursorInvalid(CXCursor_InvalidFile);
|
|
}
|
|
|
|
unsigned clang_equalCursors(CXCursor X, CXCursor Y) {
|
|
return X == Y;
|
|
}
|
|
|
|
unsigned clang_hashCursor(CXCursor C) {
|
|
unsigned Index = 0;
|
|
if (clang_isExpression(C.kind) || clang_isStatement(C.kind))
|
|
Index = 1;
|
|
|
|
return llvm::DenseMapInfo<std::pair<unsigned, void*> >::getHashValue(
|
|
std::make_pair(C.kind, C.data[Index]));
|
|
}
|
|
|
|
unsigned clang_isInvalid(enum CXCursorKind K) {
|
|
return K >= CXCursor_FirstInvalid && K <= CXCursor_LastInvalid;
|
|
}
|
|
|
|
unsigned clang_isDeclaration(enum CXCursorKind K) {
|
|
return K >= CXCursor_FirstDecl && K <= CXCursor_LastDecl;
|
|
}
|
|
|
|
unsigned clang_isReference(enum CXCursorKind K) {
|
|
return K >= CXCursor_FirstRef && K <= CXCursor_LastRef;
|
|
}
|
|
|
|
unsigned clang_isExpression(enum CXCursorKind K) {
|
|
return K >= CXCursor_FirstExpr && K <= CXCursor_LastExpr;
|
|
}
|
|
|
|
unsigned clang_isStatement(enum CXCursorKind K) {
|
|
return K >= CXCursor_FirstStmt && K <= CXCursor_LastStmt;
|
|
}
|
|
|
|
unsigned clang_isAttribute(enum CXCursorKind K) {
|
|
return K >= CXCursor_FirstAttr && K <= CXCursor_LastAttr;
|
|
}
|
|
|
|
unsigned clang_isTranslationUnit(enum CXCursorKind K) {
|
|
return K == CXCursor_TranslationUnit;
|
|
}
|
|
|
|
unsigned clang_isPreprocessing(enum CXCursorKind K) {
|
|
return K >= CXCursor_FirstPreprocessing && K <= CXCursor_LastPreprocessing;
|
|
}
|
|
|
|
unsigned clang_isUnexposed(enum CXCursorKind K) {
|
|
switch (K) {
|
|
case CXCursor_UnexposedDecl:
|
|
case CXCursor_UnexposedExpr:
|
|
case CXCursor_UnexposedStmt:
|
|
case CXCursor_UnexposedAttr:
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
CXCursorKind clang_getCursorKind(CXCursor C) {
|
|
return C.kind;
|
|
}
|
|
|
|
CXSourceLocation clang_getCursorLocation(CXCursor C) {
|
|
if (clang_isReference(C.kind)) {
|
|
switch (C.kind) {
|
|
case CXCursor_ObjCSuperClassRef: {
|
|
std::pair<ObjCInterfaceDecl *, SourceLocation> P
|
|
= getCursorObjCSuperClassRef(C);
|
|
return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
|
|
}
|
|
|
|
case CXCursor_ObjCProtocolRef: {
|
|
std::pair<ObjCProtocolDecl *, SourceLocation> P
|
|
= getCursorObjCProtocolRef(C);
|
|
return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
|
|
}
|
|
|
|
case CXCursor_ObjCClassRef: {
|
|
std::pair<ObjCInterfaceDecl *, SourceLocation> P
|
|
= getCursorObjCClassRef(C);
|
|
return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
|
|
}
|
|
|
|
case CXCursor_TypeRef: {
|
|
std::pair<TypeDecl *, SourceLocation> P = getCursorTypeRef(C);
|
|
return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
|
|
}
|
|
|
|
case CXCursor_TemplateRef: {
|
|
std::pair<TemplateDecl *, SourceLocation> P = getCursorTemplateRef(C);
|
|
return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
|
|
}
|
|
|
|
case CXCursor_NamespaceRef: {
|
|
std::pair<NamedDecl *, SourceLocation> P = getCursorNamespaceRef(C);
|
|
return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
|
|
}
|
|
|
|
case CXCursor_MemberRef: {
|
|
std::pair<FieldDecl *, SourceLocation> P = getCursorMemberRef(C);
|
|
return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
|
|
}
|
|
|
|
case CXCursor_CXXBaseSpecifier: {
|
|
CXXBaseSpecifier *BaseSpec = getCursorCXXBaseSpecifier(C);
|
|
if (!BaseSpec)
|
|
return clang_getNullLocation();
|
|
|
|
if (TypeSourceInfo *TSInfo = BaseSpec->getTypeSourceInfo())
|
|
return cxloc::translateSourceLocation(getCursorContext(C),
|
|
TSInfo->getTypeLoc().getBeginLoc());
|
|
|
|
return cxloc::translateSourceLocation(getCursorContext(C),
|
|
BaseSpec->getSourceRange().getBegin());
|
|
}
|
|
|
|
case CXCursor_LabelRef: {
|
|
std::pair<LabelStmt *, SourceLocation> P = getCursorLabelRef(C);
|
|
return cxloc::translateSourceLocation(getCursorContext(C), P.second);
|
|
}
|
|
|
|
case CXCursor_OverloadedDeclRef:
|
|
return cxloc::translateSourceLocation(getCursorContext(C),
|
|
getCursorOverloadedDeclRef(C).second);
|
|
|
|
default:
|
|
// FIXME: Need a way to enumerate all non-reference cases.
|
|
llvm_unreachable("Missed a reference kind");
|
|
}
|
|
}
|
|
|
|
if (clang_isExpression(C.kind))
|
|
return cxloc::translateSourceLocation(getCursorContext(C),
|
|
getLocationFromExpr(getCursorExpr(C)));
|
|
|
|
if (clang_isStatement(C.kind))
|
|
return cxloc::translateSourceLocation(getCursorContext(C),
|
|
getCursorStmt(C)->getLocStart());
|
|
|
|
if (C.kind == CXCursor_PreprocessingDirective) {
|
|
SourceLocation L = cxcursor::getCursorPreprocessingDirective(C).getBegin();
|
|
return cxloc::translateSourceLocation(getCursorContext(C), L);
|
|
}
|
|
|
|
if (C.kind == CXCursor_MacroExpansion) {
|
|
SourceLocation L
|
|
= cxcursor::getCursorMacroExpansion(C)->getSourceRange().getBegin();
|
|
return cxloc::translateSourceLocation(getCursorContext(C), L);
|
|
}
|
|
|
|
if (C.kind == CXCursor_MacroDefinition) {
|
|
SourceLocation L = cxcursor::getCursorMacroDefinition(C)->getLocation();
|
|
return cxloc::translateSourceLocation(getCursorContext(C), L);
|
|
}
|
|
|
|
if (C.kind == CXCursor_InclusionDirective) {
|
|
SourceLocation L
|
|
= cxcursor::getCursorInclusionDirective(C)->getSourceRange().getBegin();
|
|
return cxloc::translateSourceLocation(getCursorContext(C), L);
|
|
}
|
|
|
|
if (C.kind < CXCursor_FirstDecl || C.kind > CXCursor_LastDecl)
|
|
return clang_getNullLocation();
|
|
|
|
Decl *D = getCursorDecl(C);
|
|
SourceLocation Loc = D->getLocation();
|
|
if (ObjCInterfaceDecl *Class = dyn_cast<ObjCInterfaceDecl>(D))
|
|
Loc = Class->getClassLoc();
|
|
// FIXME: Multiple variables declared in a single declaration
|
|
// currently lack the information needed to correctly determine their
|
|
// ranges when accounting for the type-specifier. We use context
|
|
// stored in the CXCursor to determine if the VarDecl is in a DeclGroup,
|
|
// and if so, whether it is the first decl.
|
|
if (VarDecl *VD = dyn_cast<VarDecl>(D)) {
|
|
if (!cxcursor::isFirstInDeclGroup(C))
|
|
Loc = VD->getLocation();
|
|
}
|
|
|
|
return cxloc::translateSourceLocation(getCursorContext(C), Loc);
|
|
}
|
|
|
|
} // end extern "C"
|
|
|
|
static SourceRange getRawCursorExtent(CXCursor C) {
|
|
if (clang_isReference(C.kind)) {
|
|
switch (C.kind) {
|
|
case CXCursor_ObjCSuperClassRef:
|
|
return getCursorObjCSuperClassRef(C).second;
|
|
|
|
case CXCursor_ObjCProtocolRef:
|
|
return getCursorObjCProtocolRef(C).second;
|
|
|
|
case CXCursor_ObjCClassRef:
|
|
return getCursorObjCClassRef(C).second;
|
|
|
|
case CXCursor_TypeRef:
|
|
return getCursorTypeRef(C).second;
|
|
|
|
case CXCursor_TemplateRef:
|
|
return getCursorTemplateRef(C).second;
|
|
|
|
case CXCursor_NamespaceRef:
|
|
return getCursorNamespaceRef(C).second;
|
|
|
|
case CXCursor_MemberRef:
|
|
return getCursorMemberRef(C).second;
|
|
|
|
case CXCursor_CXXBaseSpecifier:
|
|
return getCursorCXXBaseSpecifier(C)->getSourceRange();
|
|
|
|
case CXCursor_LabelRef:
|
|
return getCursorLabelRef(C).second;
|
|
|
|
case CXCursor_OverloadedDeclRef:
|
|
return getCursorOverloadedDeclRef(C).second;
|
|
|
|
default:
|
|
// FIXME: Need a way to enumerate all non-reference cases.
|
|
llvm_unreachable("Missed a reference kind");
|
|
}
|
|
}
|
|
|
|
if (clang_isExpression(C.kind))
|
|
return getCursorExpr(C)->getSourceRange();
|
|
|
|
if (clang_isStatement(C.kind))
|
|
return getCursorStmt(C)->getSourceRange();
|
|
|
|
if (clang_isAttribute(C.kind))
|
|
return getCursorAttr(C)->getRange();
|
|
|
|
if (C.kind == CXCursor_PreprocessingDirective)
|
|
return cxcursor::getCursorPreprocessingDirective(C);
|
|
|
|
if (C.kind == CXCursor_MacroExpansion)
|
|
return cxcursor::getCursorMacroExpansion(C)->getSourceRange();
|
|
|
|
if (C.kind == CXCursor_MacroDefinition)
|
|
return cxcursor::getCursorMacroDefinition(C)->getSourceRange();
|
|
|
|
if (C.kind == CXCursor_InclusionDirective)
|
|
return cxcursor::getCursorInclusionDirective(C)->getSourceRange();
|
|
|
|
if (C.kind >= CXCursor_FirstDecl && C.kind <= CXCursor_LastDecl) {
|
|
Decl *D = cxcursor::getCursorDecl(C);
|
|
SourceRange R = D->getSourceRange();
|
|
// FIXME: Multiple variables declared in a single declaration
|
|
// currently lack the information needed to correctly determine their
|
|
// ranges when accounting for the type-specifier. We use context
|
|
// stored in the CXCursor to determine if the VarDecl is in a DeclGroup,
|
|
// and if so, whether it is the first decl.
|
|
if (VarDecl *VD = dyn_cast<VarDecl>(D)) {
|
|
if (!cxcursor::isFirstInDeclGroup(C))
|
|
R.setBegin(VD->getLocation());
|
|
}
|
|
return R;
|
|
}
|
|
return SourceRange();
|
|
}
|
|
|
|
/// \brief Retrieves the "raw" cursor extent, which is then extended to include
|
|
/// the decl-specifier-seq for declarations.
|
|
static SourceRange getFullCursorExtent(CXCursor C, SourceManager &SrcMgr) {
|
|
if (C.kind >= CXCursor_FirstDecl && C.kind <= CXCursor_LastDecl) {
|
|
Decl *D = cxcursor::getCursorDecl(C);
|
|
SourceRange R = D->getSourceRange();
|
|
|
|
// Adjust the start of the location for declarations preceded by
|
|
// declaration specifiers.
|
|
SourceLocation StartLoc;
|
|
if (const DeclaratorDecl *DD = dyn_cast<DeclaratorDecl>(D)) {
|
|
if (TypeSourceInfo *TI = DD->getTypeSourceInfo())
|
|
StartLoc = TI->getTypeLoc().getSourceRange().getBegin();
|
|
} else if (TypedefDecl *Typedef = dyn_cast<TypedefDecl>(D)) {
|
|
if (TypeSourceInfo *TI = Typedef->getTypeSourceInfo())
|
|
StartLoc = TI->getTypeLoc().getSourceRange().getBegin();
|
|
}
|
|
|
|
if (StartLoc.isValid() && R.getBegin().isValid() &&
|
|
SrcMgr.isBeforeInTranslationUnit(StartLoc, R.getBegin()))
|
|
R.setBegin(StartLoc);
|
|
|
|
// FIXME: Multiple variables declared in a single declaration
|
|
// currently lack the information needed to correctly determine their
|
|
// ranges when accounting for the type-specifier. We use context
|
|
// stored in the CXCursor to determine if the VarDecl is in a DeclGroup,
|
|
// and if so, whether it is the first decl.
|
|
if (VarDecl *VD = dyn_cast<VarDecl>(D)) {
|
|
if (!cxcursor::isFirstInDeclGroup(C))
|
|
R.setBegin(VD->getLocation());
|
|
}
|
|
|
|
return R;
|
|
}
|
|
|
|
return getRawCursorExtent(C);
|
|
}
|
|
|
|
extern "C" {
|
|
|
|
CXSourceRange clang_getCursorExtent(CXCursor C) {
|
|
SourceRange R = getRawCursorExtent(C);
|
|
if (R.isInvalid())
|
|
return clang_getNullRange();
|
|
|
|
return cxloc::translateSourceRange(getCursorContext(C), R);
|
|
}
|
|
|
|
CXCursor clang_getCursorReferenced(CXCursor C) {
|
|
if (clang_isInvalid(C.kind))
|
|
return clang_getNullCursor();
|
|
|
|
CXTranslationUnit tu = getCursorTU(C);
|
|
if (clang_isDeclaration(C.kind)) {
|
|
Decl *D = getCursorDecl(C);
|
|
if (UsingDecl *Using = dyn_cast<UsingDecl>(D))
|
|
return MakeCursorOverloadedDeclRef(Using, D->getLocation(), tu);
|
|
if (ObjCClassDecl *Classes = dyn_cast<ObjCClassDecl>(D))
|
|
return MakeCursorOverloadedDeclRef(Classes, D->getLocation(), tu);
|
|
if (ObjCForwardProtocolDecl *Protocols
|
|
= dyn_cast<ObjCForwardProtocolDecl>(D))
|
|
return MakeCursorOverloadedDeclRef(Protocols, D->getLocation(), tu);
|
|
if (ObjCPropertyImplDecl *PropImpl =dyn_cast<ObjCPropertyImplDecl>(D))
|
|
if (ObjCPropertyDecl *Property = PropImpl->getPropertyDecl())
|
|
return MakeCXCursor(Property, tu);
|
|
|
|
return C;
|
|
}
|
|
|
|
if (clang_isExpression(C.kind)) {
|
|
Expr *E = getCursorExpr(C);
|
|
Decl *D = getDeclFromExpr(E);
|
|
if (D)
|
|
return MakeCXCursor(D, tu);
|
|
|
|
if (OverloadExpr *Ovl = dyn_cast_or_null<OverloadExpr>(E))
|
|
return MakeCursorOverloadedDeclRef(Ovl, tu);
|
|
|
|
return clang_getNullCursor();
|
|
}
|
|
|
|
if (clang_isStatement(C.kind)) {
|
|
Stmt *S = getCursorStmt(C);
|
|
if (GotoStmt *Goto = dyn_cast_or_null<GotoStmt>(S))
|
|
if (LabelDecl *label = Goto->getLabel())
|
|
if (LabelStmt *labelS = label->getStmt())
|
|
return MakeCXCursor(labelS, getCursorDecl(C), tu);
|
|
|
|
return clang_getNullCursor();
|
|
}
|
|
|
|
if (C.kind == CXCursor_MacroExpansion) {
|
|
if (MacroDefinition *Def = getCursorMacroExpansion(C)->getDefinition())
|
|
return MakeMacroDefinitionCursor(Def, tu);
|
|
}
|
|
|
|
if (!clang_isReference(C.kind))
|
|
return clang_getNullCursor();
|
|
|
|
switch (C.kind) {
|
|
case CXCursor_ObjCSuperClassRef:
|
|
return MakeCXCursor(getCursorObjCSuperClassRef(C).first, tu);
|
|
|
|
case CXCursor_ObjCProtocolRef: {
|
|
return MakeCXCursor(getCursorObjCProtocolRef(C).first, tu);
|
|
|
|
case CXCursor_ObjCClassRef:
|
|
return MakeCXCursor(getCursorObjCClassRef(C).first, tu );
|
|
|
|
case CXCursor_TypeRef:
|
|
return MakeCXCursor(getCursorTypeRef(C).first, tu );
|
|
|
|
case CXCursor_TemplateRef:
|
|
return MakeCXCursor(getCursorTemplateRef(C).first, tu );
|
|
|
|
case CXCursor_NamespaceRef:
|
|
return MakeCXCursor(getCursorNamespaceRef(C).first, tu );
|
|
|
|
case CXCursor_MemberRef:
|
|
return MakeCXCursor(getCursorMemberRef(C).first, tu );
|
|
|
|
case CXCursor_CXXBaseSpecifier: {
|
|
CXXBaseSpecifier *B = cxcursor::getCursorCXXBaseSpecifier(C);
|
|
return clang_getTypeDeclaration(cxtype::MakeCXType(B->getType(),
|
|
tu ));
|
|
}
|
|
|
|
case CXCursor_LabelRef:
|
|
// FIXME: We end up faking the "parent" declaration here because we
|
|
// don't want to make CXCursor larger.
|
|
return MakeCXCursor(getCursorLabelRef(C).first,
|
|
static_cast<ASTUnit*>(tu->TUData)->getASTContext()
|
|
.getTranslationUnitDecl(),
|
|
tu);
|
|
|
|
case CXCursor_OverloadedDeclRef:
|
|
return C;
|
|
|
|
default:
|
|
// We would prefer to enumerate all non-reference cursor kinds here.
|
|
llvm_unreachable("Unhandled reference cursor kind");
|
|
break;
|
|
}
|
|
}
|
|
|
|
return clang_getNullCursor();
|
|
}
|
|
|
|
CXCursor clang_getCursorDefinition(CXCursor C) {
|
|
if (clang_isInvalid(C.kind))
|
|
return clang_getNullCursor();
|
|
|
|
CXTranslationUnit TU = getCursorTU(C);
|
|
|
|
bool WasReference = false;
|
|
if (clang_isReference(C.kind) || clang_isExpression(C.kind)) {
|
|
C = clang_getCursorReferenced(C);
|
|
WasReference = true;
|
|
}
|
|
|
|
if (C.kind == CXCursor_MacroExpansion)
|
|
return clang_getCursorReferenced(C);
|
|
|
|
if (!clang_isDeclaration(C.kind))
|
|
return clang_getNullCursor();
|
|
|
|
Decl *D = getCursorDecl(C);
|
|
if (!D)
|
|
return clang_getNullCursor();
|
|
|
|
switch (D->getKind()) {
|
|
// Declaration kinds that don't really separate the notions of
|
|
// declaration and definition.
|
|
case Decl::Namespace:
|
|
case Decl::Typedef:
|
|
case Decl::TypeAlias:
|
|
case Decl::TypeAliasTemplate:
|
|
case Decl::TemplateTypeParm:
|
|
case Decl::EnumConstant:
|
|
case Decl::Field:
|
|
case Decl::IndirectField:
|
|
case Decl::ObjCIvar:
|
|
case Decl::ObjCAtDefsField:
|
|
case Decl::ImplicitParam:
|
|
case Decl::ParmVar:
|
|
case Decl::NonTypeTemplateParm:
|
|
case Decl::TemplateTemplateParm:
|
|
case Decl::ObjCCategoryImpl:
|
|
case Decl::ObjCImplementation:
|
|
case Decl::AccessSpec:
|
|
case Decl::LinkageSpec:
|
|
case Decl::ObjCPropertyImpl:
|
|
case Decl::FileScopeAsm:
|
|
case Decl::StaticAssert:
|
|
case Decl::Block:
|
|
case Decl::Label: // FIXME: Is this right??
|
|
case Decl::ClassScopeFunctionSpecialization:
|
|
return C;
|
|
|
|
// Declaration kinds that don't make any sense here, but are
|
|
// nonetheless harmless.
|
|
case Decl::TranslationUnit:
|
|
break;
|
|
|
|
// Declaration kinds for which the definition is not resolvable.
|
|
case Decl::UnresolvedUsingTypename:
|
|
case Decl::UnresolvedUsingValue:
|
|
break;
|
|
|
|
case Decl::UsingDirective:
|
|
return MakeCXCursor(cast<UsingDirectiveDecl>(D)->getNominatedNamespace(),
|
|
TU);
|
|
|
|
case Decl::NamespaceAlias:
|
|
return MakeCXCursor(cast<NamespaceAliasDecl>(D)->getNamespace(), TU);
|
|
|
|
case Decl::Enum:
|
|
case Decl::Record:
|
|
case Decl::CXXRecord:
|
|
case Decl::ClassTemplateSpecialization:
|
|
case Decl::ClassTemplatePartialSpecialization:
|
|
if (TagDecl *Def = cast<TagDecl>(D)->getDefinition())
|
|
return MakeCXCursor(Def, TU);
|
|
return clang_getNullCursor();
|
|
|
|
case Decl::Function:
|
|
case Decl::CXXMethod:
|
|
case Decl::CXXConstructor:
|
|
case Decl::CXXDestructor:
|
|
case Decl::CXXConversion: {
|
|
const FunctionDecl *Def = 0;
|
|
if (cast<FunctionDecl>(D)->getBody(Def))
|
|
return MakeCXCursor(const_cast<FunctionDecl *>(Def), TU);
|
|
return clang_getNullCursor();
|
|
}
|
|
|
|
case Decl::Var: {
|
|
// Ask the variable if it has a definition.
|
|
if (VarDecl *Def = cast<VarDecl>(D)->getDefinition())
|
|
return MakeCXCursor(Def, TU);
|
|
return clang_getNullCursor();
|
|
}
|
|
|
|
case Decl::FunctionTemplate: {
|
|
const FunctionDecl *Def = 0;
|
|
if (cast<FunctionTemplateDecl>(D)->getTemplatedDecl()->getBody(Def))
|
|
return MakeCXCursor(Def->getDescribedFunctionTemplate(), TU);
|
|
return clang_getNullCursor();
|
|
}
|
|
|
|
case Decl::ClassTemplate: {
|
|
if (RecordDecl *Def = cast<ClassTemplateDecl>(D)->getTemplatedDecl()
|
|
->getDefinition())
|
|
return MakeCXCursor(cast<CXXRecordDecl>(Def)->getDescribedClassTemplate(),
|
|
TU);
|
|
return clang_getNullCursor();
|
|
}
|
|
|
|
case Decl::Using:
|
|
return MakeCursorOverloadedDeclRef(cast<UsingDecl>(D),
|
|
D->getLocation(), TU);
|
|
|
|
case Decl::UsingShadow:
|
|
return clang_getCursorDefinition(
|
|
MakeCXCursor(cast<UsingShadowDecl>(D)->getTargetDecl(),
|
|
TU));
|
|
|
|
case Decl::ObjCMethod: {
|
|
ObjCMethodDecl *Method = cast<ObjCMethodDecl>(D);
|
|
if (Method->isThisDeclarationADefinition())
|
|
return C;
|
|
|
|
// Dig out the method definition in the associated
|
|
// @implementation, if we have it.
|
|
// FIXME: The ASTs should make finding the definition easier.
|
|
if (ObjCInterfaceDecl *Class
|
|
= dyn_cast<ObjCInterfaceDecl>(Method->getDeclContext()))
|
|
if (ObjCImplementationDecl *ClassImpl = Class->getImplementation())
|
|
if (ObjCMethodDecl *Def = ClassImpl->getMethod(Method->getSelector(),
|
|
Method->isInstanceMethod()))
|
|
if (Def->isThisDeclarationADefinition())
|
|
return MakeCXCursor(Def, TU);
|
|
|
|
return clang_getNullCursor();
|
|
}
|
|
|
|
case Decl::ObjCCategory:
|
|
if (ObjCCategoryImplDecl *Impl
|
|
= cast<ObjCCategoryDecl>(D)->getImplementation())
|
|
return MakeCXCursor(Impl, TU);
|
|
return clang_getNullCursor();
|
|
|
|
case Decl::ObjCProtocol:
|
|
if (!cast<ObjCProtocolDecl>(D)->isForwardDecl())
|
|
return C;
|
|
return clang_getNullCursor();
|
|
|
|
case Decl::ObjCInterface:
|
|
// There are two notions of a "definition" for an Objective-C
|
|
// class: the interface and its implementation. When we resolved a
|
|
// reference to an Objective-C class, produce the @interface as
|
|
// the definition; when we were provided with the interface,
|
|
// produce the @implementation as the definition.
|
|
if (WasReference) {
|
|
if (!cast<ObjCInterfaceDecl>(D)->isForwardDecl())
|
|
return C;
|
|
} else if (ObjCImplementationDecl *Impl
|
|
= cast<ObjCInterfaceDecl>(D)->getImplementation())
|
|
return MakeCXCursor(Impl, TU);
|
|
return clang_getNullCursor();
|
|
|
|
case Decl::ObjCProperty:
|
|
// FIXME: We don't really know where to find the
|
|
// ObjCPropertyImplDecls that implement this property.
|
|
return clang_getNullCursor();
|
|
|
|
case Decl::ObjCCompatibleAlias:
|
|
if (ObjCInterfaceDecl *Class
|
|
= cast<ObjCCompatibleAliasDecl>(D)->getClassInterface())
|
|
if (!Class->isForwardDecl())
|
|
return MakeCXCursor(Class, TU);
|
|
|
|
return clang_getNullCursor();
|
|
|
|
case Decl::ObjCForwardProtocol:
|
|
return MakeCursorOverloadedDeclRef(cast<ObjCForwardProtocolDecl>(D),
|
|
D->getLocation(), TU);
|
|
|
|
case Decl::ObjCClass:
|
|
return MakeCursorOverloadedDeclRef(cast<ObjCClassDecl>(D), D->getLocation(),
|
|
TU);
|
|
|
|
case Decl::Friend:
|
|
if (NamedDecl *Friend = cast<FriendDecl>(D)->getFriendDecl())
|
|
return clang_getCursorDefinition(MakeCXCursor(Friend, TU));
|
|
return clang_getNullCursor();
|
|
|
|
case Decl::FriendTemplate:
|
|
if (NamedDecl *Friend = cast<FriendTemplateDecl>(D)->getFriendDecl())
|
|
return clang_getCursorDefinition(MakeCXCursor(Friend, TU));
|
|
return clang_getNullCursor();
|
|
}
|
|
|
|
return clang_getNullCursor();
|
|
}
|
|
|
|
unsigned clang_isCursorDefinition(CXCursor C) {
|
|
if (!clang_isDeclaration(C.kind))
|
|
return 0;
|
|
|
|
return clang_getCursorDefinition(C) == C;
|
|
}
|
|
|
|
CXCursor clang_getCanonicalCursor(CXCursor C) {
|
|
if (!clang_isDeclaration(C.kind))
|
|
return C;
|
|
|
|
if (Decl *D = getCursorDecl(C)) {
|
|
if (ObjCCategoryImplDecl *CatImplD = dyn_cast<ObjCCategoryImplDecl>(D))
|
|
if (ObjCCategoryDecl *CatD = CatImplD->getCategoryDecl())
|
|
return MakeCXCursor(CatD, getCursorTU(C));
|
|
|
|
if (ObjCImplDecl *ImplD = dyn_cast<ObjCImplDecl>(D))
|
|
if (ObjCInterfaceDecl *IFD = ImplD->getClassInterface())
|
|
return MakeCXCursor(IFD, getCursorTU(C));
|
|
|
|
return MakeCXCursor(D->getCanonicalDecl(), getCursorTU(C));
|
|
}
|
|
|
|
return C;
|
|
}
|
|
|
|
unsigned clang_getNumOverloadedDecls(CXCursor C) {
|
|
if (C.kind != CXCursor_OverloadedDeclRef)
|
|
return 0;
|
|
|
|
OverloadedDeclRefStorage Storage = getCursorOverloadedDeclRef(C).first;
|
|
if (OverloadExpr *E = Storage.dyn_cast<OverloadExpr *>())
|
|
return E->getNumDecls();
|
|
|
|
if (OverloadedTemplateStorage *S
|
|
= Storage.dyn_cast<OverloadedTemplateStorage*>())
|
|
return S->size();
|
|
|
|
Decl *D = Storage.get<Decl*>();
|
|
if (UsingDecl *Using = dyn_cast<UsingDecl>(D))
|
|
return Using->shadow_size();
|
|
if (isa<ObjCClassDecl>(D))
|
|
return 1;
|
|
if (ObjCForwardProtocolDecl *Protocols =dyn_cast<ObjCForwardProtocolDecl>(D))
|
|
return Protocols->protocol_size();
|
|
|
|
return 0;
|
|
}
|
|
|
|
CXCursor clang_getOverloadedDecl(CXCursor cursor, unsigned index) {
|
|
if (cursor.kind != CXCursor_OverloadedDeclRef)
|
|
return clang_getNullCursor();
|
|
|
|
if (index >= clang_getNumOverloadedDecls(cursor))
|
|
return clang_getNullCursor();
|
|
|
|
CXTranslationUnit TU = getCursorTU(cursor);
|
|
OverloadedDeclRefStorage Storage = getCursorOverloadedDeclRef(cursor).first;
|
|
if (OverloadExpr *E = Storage.dyn_cast<OverloadExpr *>())
|
|
return MakeCXCursor(E->decls_begin()[index], TU);
|
|
|
|
if (OverloadedTemplateStorage *S
|
|
= Storage.dyn_cast<OverloadedTemplateStorage*>())
|
|
return MakeCXCursor(S->begin()[index], TU);
|
|
|
|
Decl *D = Storage.get<Decl*>();
|
|
if (UsingDecl *Using = dyn_cast<UsingDecl>(D)) {
|
|
// FIXME: This is, unfortunately, linear time.
|
|
UsingDecl::shadow_iterator Pos = Using->shadow_begin();
|
|
std::advance(Pos, index);
|
|
return MakeCXCursor(cast<UsingShadowDecl>(*Pos)->getTargetDecl(), TU);
|
|
}
|
|
if (ObjCClassDecl *Classes = dyn_cast<ObjCClassDecl>(D))
|
|
return MakeCXCursor(Classes->getForwardInterfaceDecl(), TU);
|
|
if (ObjCForwardProtocolDecl *Protocols = dyn_cast<ObjCForwardProtocolDecl>(D))
|
|
return MakeCXCursor(Protocols->protocol_begin()[index], TU);
|
|
|
|
return clang_getNullCursor();
|
|
}
|
|
|
|
void clang_getDefinitionSpellingAndExtent(CXCursor C,
|
|
const char **startBuf,
|
|
const char **endBuf,
|
|
unsigned *startLine,
|
|
unsigned *startColumn,
|
|
unsigned *endLine,
|
|
unsigned *endColumn) {
|
|
assert(getCursorDecl(C) && "CXCursor has null decl");
|
|
NamedDecl *ND = static_cast<NamedDecl *>(getCursorDecl(C));
|
|
FunctionDecl *FD = dyn_cast<FunctionDecl>(ND);
|
|
CompoundStmt *Body = dyn_cast<CompoundStmt>(FD->getBody());
|
|
|
|
SourceManager &SM = FD->getASTContext().getSourceManager();
|
|
*startBuf = SM.getCharacterData(Body->getLBracLoc());
|
|
*endBuf = SM.getCharacterData(Body->getRBracLoc());
|
|
*startLine = SM.getSpellingLineNumber(Body->getLBracLoc());
|
|
*startColumn = SM.getSpellingColumnNumber(Body->getLBracLoc());
|
|
*endLine = SM.getSpellingLineNumber(Body->getRBracLoc());
|
|
*endColumn = SM.getSpellingColumnNumber(Body->getRBracLoc());
|
|
}
|
|
|
|
|
|
CXSourceRange clang_getCursorReferenceNameRange(CXCursor C, unsigned NameFlags,
|
|
unsigned PieceIndex) {
|
|
RefNamePieces Pieces;
|
|
|
|
switch (C.kind) {
|
|
case CXCursor_MemberRefExpr:
|
|
if (MemberExpr *E = dyn_cast<MemberExpr>(getCursorExpr(C)))
|
|
Pieces = buildPieces(NameFlags, true, E->getMemberNameInfo(),
|
|
E->getQualifierLoc().getSourceRange());
|
|
break;
|
|
|
|
case CXCursor_DeclRefExpr:
|
|
if (DeclRefExpr *E = dyn_cast<DeclRefExpr>(getCursorExpr(C)))
|
|
Pieces = buildPieces(NameFlags, false, E->getNameInfo(),
|
|
E->getQualifierLoc().getSourceRange(),
|
|
E->getExplicitTemplateArgsOpt());
|
|
break;
|
|
|
|
case CXCursor_CallExpr:
|
|
if (CXXOperatorCallExpr *OCE =
|
|
dyn_cast<CXXOperatorCallExpr>(getCursorExpr(C))) {
|
|
Expr *Callee = OCE->getCallee();
|
|
if (ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(Callee))
|
|
Callee = ICE->getSubExpr();
|
|
|
|
if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(Callee))
|
|
Pieces = buildPieces(NameFlags, false, DRE->getNameInfo(),
|
|
DRE->getQualifierLoc().getSourceRange());
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (Pieces.empty()) {
|
|
if (PieceIndex == 0)
|
|
return clang_getCursorExtent(C);
|
|
} else if (PieceIndex < Pieces.size()) {
|
|
SourceRange R = Pieces[PieceIndex];
|
|
if (R.isValid())
|
|
return cxloc::translateSourceRange(getCursorContext(C), R);
|
|
}
|
|
|
|
return clang_getNullRange();
|
|
}
|
|
|
|
void clang_enableStackTraces(void) {
|
|
llvm::sys::PrintStackTraceOnErrorSignal();
|
|
}
|
|
|
|
void clang_executeOnThread(void (*fn)(void*), void *user_data,
|
|
unsigned stack_size) {
|
|
llvm::llvm_execute_on_thread(fn, user_data, stack_size);
|
|
}
|
|
|
|
} // end: extern "C"
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Token-based Operations.
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
/* CXToken layout:
|
|
* int_data[0]: a CXTokenKind
|
|
* int_data[1]: starting token location
|
|
* int_data[2]: token length
|
|
* int_data[3]: reserved
|
|
* ptr_data: for identifiers and keywords, an IdentifierInfo*.
|
|
* otherwise unused.
|
|
*/
|
|
extern "C" {
|
|
|
|
CXTokenKind clang_getTokenKind(CXToken CXTok) {
|
|
return static_cast<CXTokenKind>(CXTok.int_data[0]);
|
|
}
|
|
|
|
CXString clang_getTokenSpelling(CXTranslationUnit TU, CXToken CXTok) {
|
|
switch (clang_getTokenKind(CXTok)) {
|
|
case CXToken_Identifier:
|
|
case CXToken_Keyword:
|
|
// We know we have an IdentifierInfo*, so use that.
|
|
return createCXString(static_cast<IdentifierInfo *>(CXTok.ptr_data)
|
|
->getNameStart());
|
|
|
|
case CXToken_Literal: {
|
|
// We have stashed the starting pointer in the ptr_data field. Use it.
|
|
const char *Text = static_cast<const char *>(CXTok.ptr_data);
|
|
return createCXString(StringRef(Text, CXTok.int_data[2]));
|
|
}
|
|
|
|
case CXToken_Punctuation:
|
|
case CXToken_Comment:
|
|
break;
|
|
}
|
|
|
|
// We have to find the starting buffer pointer the hard way, by
|
|
// deconstructing the source location.
|
|
ASTUnit *CXXUnit = static_cast<ASTUnit *>(TU->TUData);
|
|
if (!CXXUnit)
|
|
return createCXString("");
|
|
|
|
SourceLocation Loc = SourceLocation::getFromRawEncoding(CXTok.int_data[1]);
|
|
std::pair<FileID, unsigned> LocInfo
|
|
= CXXUnit->getSourceManager().getDecomposedSpellingLoc(Loc);
|
|
bool Invalid = false;
|
|
StringRef Buffer
|
|
= CXXUnit->getSourceManager().getBufferData(LocInfo.first, &Invalid);
|
|
if (Invalid)
|
|
return createCXString("");
|
|
|
|
return createCXString(Buffer.substr(LocInfo.second, CXTok.int_data[2]));
|
|
}
|
|
|
|
CXSourceLocation clang_getTokenLocation(CXTranslationUnit TU, CXToken CXTok) {
|
|
ASTUnit *CXXUnit = static_cast<ASTUnit *>(TU->TUData);
|
|
if (!CXXUnit)
|
|
return clang_getNullLocation();
|
|
|
|
return cxloc::translateSourceLocation(CXXUnit->getASTContext(),
|
|
SourceLocation::getFromRawEncoding(CXTok.int_data[1]));
|
|
}
|
|
|
|
CXSourceRange clang_getTokenExtent(CXTranslationUnit TU, CXToken CXTok) {
|
|
ASTUnit *CXXUnit = static_cast<ASTUnit *>(TU->TUData);
|
|
if (!CXXUnit)
|
|
return clang_getNullRange();
|
|
|
|
return cxloc::translateSourceRange(CXXUnit->getASTContext(),
|
|
SourceLocation::getFromRawEncoding(CXTok.int_data[1]));
|
|
}
|
|
|
|
void clang_tokenize(CXTranslationUnit TU, CXSourceRange Range,
|
|
CXToken **Tokens, unsigned *NumTokens) {
|
|
if (Tokens)
|
|
*Tokens = 0;
|
|
if (NumTokens)
|
|
*NumTokens = 0;
|
|
|
|
ASTUnit *CXXUnit = static_cast<ASTUnit *>(TU->TUData);
|
|
if (!CXXUnit || !Tokens || !NumTokens)
|
|
return;
|
|
|
|
ASTUnit::ConcurrencyCheck Check(*CXXUnit);
|
|
|
|
SourceRange R = cxloc::translateCXSourceRange(Range);
|
|
if (R.isInvalid())
|
|
return;
|
|
|
|
SourceManager &SourceMgr = CXXUnit->getSourceManager();
|
|
std::pair<FileID, unsigned> BeginLocInfo
|
|
= SourceMgr.getDecomposedLoc(R.getBegin());
|
|
std::pair<FileID, unsigned> EndLocInfo
|
|
= SourceMgr.getDecomposedLoc(R.getEnd());
|
|
|
|
// Cannot tokenize across files.
|
|
if (BeginLocInfo.first != EndLocInfo.first)
|
|
return;
|
|
|
|
// Create a lexer
|
|
bool Invalid = false;
|
|
StringRef Buffer
|
|
= SourceMgr.getBufferData(BeginLocInfo.first, &Invalid);
|
|
if (Invalid)
|
|
return;
|
|
|
|
Lexer Lex(SourceMgr.getLocForStartOfFile(BeginLocInfo.first),
|
|
CXXUnit->getASTContext().getLangOptions(),
|
|
Buffer.begin(), Buffer.data() + BeginLocInfo.second, Buffer.end());
|
|
Lex.SetCommentRetentionState(true);
|
|
|
|
// Lex tokens until we hit the end of the range.
|
|
const char *EffectiveBufferEnd = Buffer.data() + EndLocInfo.second;
|
|
SmallVector<CXToken, 32> CXTokens;
|
|
Token Tok;
|
|
bool previousWasAt = false;
|
|
do {
|
|
// Lex the next token
|
|
Lex.LexFromRawLexer(Tok);
|
|
if (Tok.is(tok::eof))
|
|
break;
|
|
|
|
// Initialize the CXToken.
|
|
CXToken CXTok;
|
|
|
|
// - Common fields
|
|
CXTok.int_data[1] = Tok.getLocation().getRawEncoding();
|
|
CXTok.int_data[2] = Tok.getLength();
|
|
CXTok.int_data[3] = 0;
|
|
|
|
// - Kind-specific fields
|
|
if (Tok.isLiteral()) {
|
|
CXTok.int_data[0] = CXToken_Literal;
|
|
CXTok.ptr_data = (void *)Tok.getLiteralData();
|
|
} else if (Tok.is(tok::raw_identifier)) {
|
|
// Lookup the identifier to determine whether we have a keyword.
|
|
IdentifierInfo *II
|
|
= CXXUnit->getPreprocessor().LookUpIdentifierInfo(Tok);
|
|
|
|
if ((II->getObjCKeywordID() != tok::objc_not_keyword) && previousWasAt) {
|
|
CXTok.int_data[0] = CXToken_Keyword;
|
|
}
|
|
else {
|
|
CXTok.int_data[0] = Tok.is(tok::identifier)
|
|
? CXToken_Identifier
|
|
: CXToken_Keyword;
|
|
}
|
|
CXTok.ptr_data = II;
|
|
} else if (Tok.is(tok::comment)) {
|
|
CXTok.int_data[0] = CXToken_Comment;
|
|
CXTok.ptr_data = 0;
|
|
} else {
|
|
CXTok.int_data[0] = CXToken_Punctuation;
|
|
CXTok.ptr_data = 0;
|
|
}
|
|
CXTokens.push_back(CXTok);
|
|
previousWasAt = Tok.is(tok::at);
|
|
} while (Lex.getBufferLocation() <= EffectiveBufferEnd);
|
|
|
|
if (CXTokens.empty())
|
|
return;
|
|
|
|
*Tokens = (CXToken *)malloc(sizeof(CXToken) * CXTokens.size());
|
|
memmove(*Tokens, CXTokens.data(), sizeof(CXToken) * CXTokens.size());
|
|
*NumTokens = CXTokens.size();
|
|
}
|
|
|
|
void clang_disposeTokens(CXTranslationUnit TU,
|
|
CXToken *Tokens, unsigned NumTokens) {
|
|
free(Tokens);
|
|
}
|
|
|
|
} // end: extern "C"
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Token annotation APIs.
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
typedef llvm::DenseMap<unsigned, CXCursor> AnnotateTokensData;
|
|
static enum CXChildVisitResult AnnotateTokensVisitor(CXCursor cursor,
|
|
CXCursor parent,
|
|
CXClientData client_data);
|
|
namespace {
|
|
class AnnotateTokensWorker {
|
|
AnnotateTokensData &Annotated;
|
|
CXToken *Tokens;
|
|
CXCursor *Cursors;
|
|
unsigned NumTokens;
|
|
unsigned TokIdx;
|
|
unsigned PreprocessingTokIdx;
|
|
CursorVisitor AnnotateVis;
|
|
SourceManager &SrcMgr;
|
|
bool HasContextSensitiveKeywords;
|
|
|
|
bool MoreTokens() const { return TokIdx < NumTokens; }
|
|
unsigned NextToken() const { return TokIdx; }
|
|
void AdvanceToken() { ++TokIdx; }
|
|
SourceLocation GetTokenLoc(unsigned tokI) {
|
|
return SourceLocation::getFromRawEncoding(Tokens[tokI].int_data[1]);
|
|
}
|
|
bool isFunctionMacroToken(unsigned tokI) const {
|
|
return Tokens[tokI].int_data[3] != 0;
|
|
}
|
|
SourceLocation getFunctionMacroTokenLoc(unsigned tokI) const {
|
|
return SourceLocation::getFromRawEncoding(Tokens[tokI].int_data[3]);
|
|
}
|
|
|
|
void annotateAndAdvanceTokens(CXCursor, RangeComparisonResult, SourceRange);
|
|
void annotateAndAdvanceFunctionMacroTokens(CXCursor, RangeComparisonResult,
|
|
SourceRange);
|
|
|
|
public:
|
|
AnnotateTokensWorker(AnnotateTokensData &annotated,
|
|
CXToken *tokens, CXCursor *cursors, unsigned numTokens,
|
|
CXTranslationUnit tu, SourceRange RegionOfInterest)
|
|
: Annotated(annotated), Tokens(tokens), Cursors(cursors),
|
|
NumTokens(numTokens), TokIdx(0), PreprocessingTokIdx(0),
|
|
AnnotateVis(tu,
|
|
AnnotateTokensVisitor, this, true, RegionOfInterest),
|
|
SrcMgr(static_cast<ASTUnit*>(tu->TUData)->getSourceManager()),
|
|
HasContextSensitiveKeywords(false) { }
|
|
|
|
void VisitChildren(CXCursor C) { AnnotateVis.VisitChildren(C); }
|
|
enum CXChildVisitResult Visit(CXCursor cursor, CXCursor parent);
|
|
void AnnotateTokens(CXCursor parent);
|
|
void AnnotateTokens() {
|
|
AnnotateTokens(clang_getTranslationUnitCursor(AnnotateVis.getTU()));
|
|
}
|
|
|
|
/// \brief Determine whether the annotator saw any cursors that have
|
|
/// context-sensitive keywords.
|
|
bool hasContextSensitiveKeywords() const {
|
|
return HasContextSensitiveKeywords;
|
|
}
|
|
};
|
|
}
|
|
|
|
void AnnotateTokensWorker::AnnotateTokens(CXCursor parent) {
|
|
// Walk the AST within the region of interest, annotating tokens
|
|
// along the way.
|
|
VisitChildren(parent);
|
|
|
|
for (unsigned I = 0 ; I < TokIdx ; ++I) {
|
|
AnnotateTokensData::iterator Pos = Annotated.find(Tokens[I].int_data[1]);
|
|
if (Pos != Annotated.end() &&
|
|
(clang_isInvalid(Cursors[I].kind) ||
|
|
Pos->second.kind != CXCursor_PreprocessingDirective))
|
|
Cursors[I] = Pos->second;
|
|
}
|
|
|
|
// Finish up annotating any tokens left.
|
|
if (!MoreTokens())
|
|
return;
|
|
|
|
const CXCursor &C = clang_getNullCursor();
|
|
for (unsigned I = TokIdx ; I < NumTokens ; ++I) {
|
|
AnnotateTokensData::iterator Pos = Annotated.find(Tokens[I].int_data[1]);
|
|
Cursors[I] = (Pos == Annotated.end()) ? C : Pos->second;
|
|
}
|
|
}
|
|
|
|
/// \brief It annotates and advances tokens with a cursor until the comparison
|
|
//// between the cursor location and the source range is the same as
|
|
/// \arg compResult.
|
|
///
|
|
/// Pass RangeBefore to annotate tokens with a cursor until a range is reached.
|
|
/// Pass RangeOverlap to annotate tokens inside a range.
|
|
void AnnotateTokensWorker::annotateAndAdvanceTokens(CXCursor updateC,
|
|
RangeComparisonResult compResult,
|
|
SourceRange range) {
|
|
while (MoreTokens()) {
|
|
const unsigned I = NextToken();
|
|
if (isFunctionMacroToken(I))
|
|
return annotateAndAdvanceFunctionMacroTokens(updateC, compResult, range);
|
|
|
|
SourceLocation TokLoc = GetTokenLoc(I);
|
|
if (LocationCompare(SrcMgr, TokLoc, range) == compResult) {
|
|
Cursors[I] = updateC;
|
|
AdvanceToken();
|
|
continue;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
/// \brief Special annotation handling for macro argument tokens.
|
|
void AnnotateTokensWorker::annotateAndAdvanceFunctionMacroTokens(
|
|
CXCursor updateC,
|
|
RangeComparisonResult compResult,
|
|
SourceRange range) {
|
|
assert(MoreTokens());
|
|
assert(isFunctionMacroToken(NextToken()) &&
|
|
"Should be called only for macro arg tokens");
|
|
|
|
// This works differently than annotateAndAdvanceTokens; because expanded
|
|
// macro arguments can have arbitrary translation-unit source order, we do not
|
|
// advance the token index one by one until a token fails the range test.
|
|
// We only advance once past all of the macro arg tokens if all of them
|
|
// pass the range test. If one of them fails we keep the token index pointing
|
|
// at the start of the macro arg tokens so that the failing token will be
|
|
// annotated by a subsequent annotation try.
|
|
|
|
bool atLeastOneCompFail = false;
|
|
|
|
unsigned I = NextToken();
|
|
for (; I < NumTokens && isFunctionMacroToken(I); ++I) {
|
|
SourceLocation TokLoc = getFunctionMacroTokenLoc(I);
|
|
if (TokLoc.isFileID())
|
|
continue; // not macro arg token, it's parens or comma.
|
|
if (LocationCompare(SrcMgr, TokLoc, range) == compResult) {
|
|
if (clang_isInvalid(clang_getCursorKind(Cursors[I])))
|
|
Cursors[I] = updateC;
|
|
} else
|
|
atLeastOneCompFail = true;
|
|
}
|
|
|
|
if (!atLeastOneCompFail)
|
|
TokIdx = I; // All of the tokens were handled, advance beyond all of them.
|
|
}
|
|
|
|
enum CXChildVisitResult
|
|
AnnotateTokensWorker::Visit(CXCursor cursor, CXCursor parent) {
|
|
CXSourceLocation Loc = clang_getCursorLocation(cursor);
|
|
SourceRange cursorRange = getRawCursorExtent(cursor);
|
|
if (cursorRange.isInvalid())
|
|
return CXChildVisit_Recurse;
|
|
|
|
if (!HasContextSensitiveKeywords) {
|
|
// Objective-C properties can have context-sensitive keywords.
|
|
if (cursor.kind == CXCursor_ObjCPropertyDecl) {
|
|
if (ObjCPropertyDecl *Property
|
|
= dyn_cast_or_null<ObjCPropertyDecl>(getCursorDecl(cursor)))
|
|
HasContextSensitiveKeywords = Property->getPropertyAttributesAsWritten() != 0;
|
|
}
|
|
// Objective-C methods can have context-sensitive keywords.
|
|
else if (cursor.kind == CXCursor_ObjCInstanceMethodDecl ||
|
|
cursor.kind == CXCursor_ObjCClassMethodDecl) {
|
|
if (ObjCMethodDecl *Method
|
|
= dyn_cast_or_null<ObjCMethodDecl>(getCursorDecl(cursor))) {
|
|
if (Method->getObjCDeclQualifier())
|
|
HasContextSensitiveKeywords = true;
|
|
else {
|
|
for (ObjCMethodDecl::param_iterator P = Method->param_begin(),
|
|
PEnd = Method->param_end();
|
|
P != PEnd; ++P) {
|
|
if ((*P)->getObjCDeclQualifier()) {
|
|
HasContextSensitiveKeywords = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
// C++ methods can have context-sensitive keywords.
|
|
else if (cursor.kind == CXCursor_CXXMethod) {
|
|
if (CXXMethodDecl *Method
|
|
= dyn_cast_or_null<CXXMethodDecl>(getCursorDecl(cursor))) {
|
|
if (Method->hasAttr<FinalAttr>() || Method->hasAttr<OverrideAttr>())
|
|
HasContextSensitiveKeywords = true;
|
|
}
|
|
}
|
|
// C++ classes can have context-sensitive keywords.
|
|
else if (cursor.kind == CXCursor_StructDecl ||
|
|
cursor.kind == CXCursor_ClassDecl ||
|
|
cursor.kind == CXCursor_ClassTemplate ||
|
|
cursor.kind == CXCursor_ClassTemplatePartialSpecialization) {
|
|
if (Decl *D = getCursorDecl(cursor))
|
|
if (D->hasAttr<FinalAttr>())
|
|
HasContextSensitiveKeywords = true;
|
|
}
|
|
}
|
|
|
|
if (clang_isPreprocessing(cursor.kind)) {
|
|
// For macro expansions, just note where the beginning of the macro
|
|
// expansion occurs.
|
|
if (cursor.kind == CXCursor_MacroExpansion) {
|
|
Annotated[Loc.int_data] = cursor;
|
|
return CXChildVisit_Recurse;
|
|
}
|
|
|
|
// Items in the preprocessing record are kept separate from items in
|
|
// declarations, so we keep a separate token index.
|
|
unsigned SavedTokIdx = TokIdx;
|
|
TokIdx = PreprocessingTokIdx;
|
|
|
|
// Skip tokens up until we catch up to the beginning of the preprocessing
|
|
// entry.
|
|
while (MoreTokens()) {
|
|
const unsigned I = NextToken();
|
|
SourceLocation TokLoc = GetTokenLoc(I);
|
|
switch (LocationCompare(SrcMgr, TokLoc, cursorRange)) {
|
|
case RangeBefore:
|
|
AdvanceToken();
|
|
continue;
|
|
case RangeAfter:
|
|
case RangeOverlap:
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
|
|
// Look at all of the tokens within this range.
|
|
while (MoreTokens()) {
|
|
const unsigned I = NextToken();
|
|
SourceLocation TokLoc = GetTokenLoc(I);
|
|
switch (LocationCompare(SrcMgr, TokLoc, cursorRange)) {
|
|
case RangeBefore:
|
|
llvm_unreachable("Infeasible");
|
|
case RangeAfter:
|
|
break;
|
|
case RangeOverlap:
|
|
Cursors[I] = cursor;
|
|
AdvanceToken();
|
|
continue;
|
|
}
|
|
break;
|
|
}
|
|
|
|
// Save the preprocessing token index; restore the non-preprocessing
|
|
// token index.
|
|
PreprocessingTokIdx = TokIdx;
|
|
TokIdx = SavedTokIdx;
|
|
return CXChildVisit_Recurse;
|
|
}
|
|
|
|
if (cursorRange.isInvalid())
|
|
return CXChildVisit_Continue;
|
|
|
|
SourceLocation L = SourceLocation::getFromRawEncoding(Loc.int_data);
|
|
|
|
// Adjust the annotated range based specific declarations.
|
|
const enum CXCursorKind cursorK = clang_getCursorKind(cursor);
|
|
if (cursorK >= CXCursor_FirstDecl && cursorK <= CXCursor_LastDecl) {
|
|
Decl *D = cxcursor::getCursorDecl(cursor);
|
|
|
|
SourceLocation StartLoc;
|
|
if (const DeclaratorDecl *DD = dyn_cast<DeclaratorDecl>(D)) {
|
|
if (TypeSourceInfo *TI = DD->getTypeSourceInfo())
|
|
StartLoc = TI->getTypeLoc().getSourceRange().getBegin();
|
|
} else if (TypedefDecl *Typedef = dyn_cast<TypedefDecl>(D)) {
|
|
if (TypeSourceInfo *TI = Typedef->getTypeSourceInfo())
|
|
StartLoc = TI->getTypeLoc().getSourceRange().getBegin();
|
|
}
|
|
|
|
if (StartLoc.isValid() && L.isValid() &&
|
|
SrcMgr.isBeforeInTranslationUnit(StartLoc, L))
|
|
cursorRange.setBegin(StartLoc);
|
|
}
|
|
|
|
// If the location of the cursor occurs within a macro instantiation, record
|
|
// the spelling location of the cursor in our annotation map. We can then
|
|
// paper over the token labelings during a post-processing step to try and
|
|
// get cursor mappings for tokens that are the *arguments* of a macro
|
|
// instantiation.
|
|
if (L.isMacroID()) {
|
|
unsigned rawEncoding = SrcMgr.getSpellingLoc(L).getRawEncoding();
|
|
// Only invalidate the old annotation if it isn't part of a preprocessing
|
|
// directive. Here we assume that the default construction of CXCursor
|
|
// results in CXCursor.kind being an initialized value (i.e., 0). If
|
|
// this isn't the case, we can fix by doing lookup + insertion.
|
|
|
|
CXCursor &oldC = Annotated[rawEncoding];
|
|
if (!clang_isPreprocessing(oldC.kind))
|
|
oldC = cursor;
|
|
}
|
|
|
|
const enum CXCursorKind K = clang_getCursorKind(parent);
|
|
const CXCursor updateC =
|
|
(clang_isInvalid(K) || K == CXCursor_TranslationUnit)
|
|
? clang_getNullCursor() : parent;
|
|
|
|
annotateAndAdvanceTokens(updateC, RangeBefore, cursorRange);
|
|
|
|
// Avoid having the cursor of an expression "overwrite" the annotation of the
|
|
// variable declaration that it belongs to.
|
|
// This can happen for C++ constructor expressions whose range generally
|
|
// include the variable declaration, e.g.:
|
|
// MyCXXClass foo; // Make sure we don't annotate 'foo' as a CallExpr cursor.
|
|
if (clang_isExpression(cursorK)) {
|
|
Expr *E = getCursorExpr(cursor);
|
|
if (Decl *D = getCursorParentDecl(cursor)) {
|
|
const unsigned I = NextToken();
|
|
if (E->getLocStart().isValid() && D->getLocation().isValid() &&
|
|
E->getLocStart() == D->getLocation() &&
|
|
E->getLocStart() == GetTokenLoc(I)) {
|
|
Cursors[I] = updateC;
|
|
AdvanceToken();
|
|
}
|
|
}
|
|
}
|
|
|
|
// Visit children to get their cursor information.
|
|
const unsigned BeforeChildren = NextToken();
|
|
VisitChildren(cursor);
|
|
const unsigned AfterChildren = NextToken();
|
|
|
|
// Scan the tokens that are at the end of the cursor, but are not captured
|
|
// but the child cursors.
|
|
annotateAndAdvanceTokens(cursor, RangeOverlap, cursorRange);
|
|
|
|
// Scan the tokens that are at the beginning of the cursor, but are not
|
|
// capture by the child cursors.
|
|
for (unsigned I = BeforeChildren; I != AfterChildren; ++I) {
|
|
if (!clang_isInvalid(clang_getCursorKind(Cursors[I])))
|
|
break;
|
|
|
|
Cursors[I] = cursor;
|
|
}
|
|
|
|
return CXChildVisit_Continue;
|
|
}
|
|
|
|
static enum CXChildVisitResult AnnotateTokensVisitor(CXCursor cursor,
|
|
CXCursor parent,
|
|
CXClientData client_data) {
|
|
return static_cast<AnnotateTokensWorker*>(client_data)->Visit(cursor, parent);
|
|
}
|
|
|
|
namespace {
|
|
|
|
/// \brief Uses the macro expansions in the preprocessing record to find
|
|
/// and mark tokens that are macro arguments. This info is used by the
|
|
/// AnnotateTokensWorker.
|
|
class MarkMacroArgTokensVisitor {
|
|
SourceManager &SM;
|
|
CXToken *Tokens;
|
|
unsigned NumTokens;
|
|
unsigned CurIdx;
|
|
|
|
public:
|
|
MarkMacroArgTokensVisitor(SourceManager &SM,
|
|
CXToken *tokens, unsigned numTokens)
|
|
: SM(SM), Tokens(tokens), NumTokens(numTokens), CurIdx(0) { }
|
|
|
|
CXChildVisitResult visit(CXCursor cursor, CXCursor parent) {
|
|
if (cursor.kind != CXCursor_MacroExpansion)
|
|
return CXChildVisit_Continue;
|
|
|
|
SourceRange macroRange = getCursorMacroExpansion(cursor)->getSourceRange();
|
|
if (macroRange.getBegin() == macroRange.getEnd())
|
|
return CXChildVisit_Continue; // it's not a function macro.
|
|
|
|
for (; CurIdx < NumTokens; ++CurIdx) {
|
|
if (!SM.isBeforeInTranslationUnit(getTokenLoc(CurIdx),
|
|
macroRange.getBegin()))
|
|
break;
|
|
}
|
|
|
|
if (CurIdx == NumTokens)
|
|
return CXChildVisit_Break;
|
|
|
|
for (; CurIdx < NumTokens; ++CurIdx) {
|
|
SourceLocation tokLoc = getTokenLoc(CurIdx);
|
|
if (!SM.isBeforeInTranslationUnit(tokLoc, macroRange.getEnd()))
|
|
break;
|
|
|
|
setFunctionMacroTokenLoc(CurIdx, SM.getMacroArgExpandedLocation(tokLoc));
|
|
}
|
|
|
|
if (CurIdx == NumTokens)
|
|
return CXChildVisit_Break;
|
|
|
|
return CXChildVisit_Continue;
|
|
}
|
|
|
|
private:
|
|
SourceLocation getTokenLoc(unsigned tokI) {
|
|
return SourceLocation::getFromRawEncoding(Tokens[tokI].int_data[1]);
|
|
}
|
|
|
|
void setFunctionMacroTokenLoc(unsigned tokI, SourceLocation loc) {
|
|
// The third field is reserved and currently not used. Use it here
|
|
// to mark macro arg expanded tokens with their expanded locations.
|
|
Tokens[tokI].int_data[3] = loc.getRawEncoding();
|
|
}
|
|
};
|
|
|
|
} // end anonymous namespace
|
|
|
|
static CXChildVisitResult
|
|
MarkMacroArgTokensVisitorDelegate(CXCursor cursor, CXCursor parent,
|
|
CXClientData client_data) {
|
|
return static_cast<MarkMacroArgTokensVisitor*>(client_data)->visit(cursor,
|
|
parent);
|
|
}
|
|
|
|
namespace {
|
|
struct clang_annotateTokens_Data {
|
|
CXTranslationUnit TU;
|
|
ASTUnit *CXXUnit;
|
|
CXToken *Tokens;
|
|
unsigned NumTokens;
|
|
CXCursor *Cursors;
|
|
};
|
|
}
|
|
|
|
// This gets run a separate thread to avoid stack blowout.
|
|
static void clang_annotateTokensImpl(void *UserData) {
|
|
CXTranslationUnit TU = ((clang_annotateTokens_Data*)UserData)->TU;
|
|
ASTUnit *CXXUnit = ((clang_annotateTokens_Data*)UserData)->CXXUnit;
|
|
CXToken *Tokens = ((clang_annotateTokens_Data*)UserData)->Tokens;
|
|
const unsigned NumTokens = ((clang_annotateTokens_Data*)UserData)->NumTokens;
|
|
CXCursor *Cursors = ((clang_annotateTokens_Data*)UserData)->Cursors;
|
|
|
|
// Determine the region of interest, which contains all of the tokens.
|
|
SourceRange RegionOfInterest;
|
|
RegionOfInterest.setBegin(
|
|
cxloc::translateSourceLocation(clang_getTokenLocation(TU, Tokens[0])));
|
|
RegionOfInterest.setEnd(
|
|
cxloc::translateSourceLocation(clang_getTokenLocation(TU,
|
|
Tokens[NumTokens-1])));
|
|
|
|
// A mapping from the source locations found when re-lexing or traversing the
|
|
// region of interest to the corresponding cursors.
|
|
AnnotateTokensData Annotated;
|
|
|
|
// Relex the tokens within the source range to look for preprocessing
|
|
// directives.
|
|
SourceManager &SourceMgr = CXXUnit->getSourceManager();
|
|
std::pair<FileID, unsigned> BeginLocInfo
|
|
= SourceMgr.getDecomposedLoc(RegionOfInterest.getBegin());
|
|
std::pair<FileID, unsigned> EndLocInfo
|
|
= SourceMgr.getDecomposedLoc(RegionOfInterest.getEnd());
|
|
|
|
StringRef Buffer;
|
|
bool Invalid = false;
|
|
if (BeginLocInfo.first == EndLocInfo.first &&
|
|
((Buffer = SourceMgr.getBufferData(BeginLocInfo.first, &Invalid)),true) &&
|
|
!Invalid) {
|
|
Lexer Lex(SourceMgr.getLocForStartOfFile(BeginLocInfo.first),
|
|
CXXUnit->getASTContext().getLangOptions(),
|
|
Buffer.begin(), Buffer.data() + BeginLocInfo.second,
|
|
Buffer.end());
|
|
Lex.SetCommentRetentionState(true);
|
|
|
|
// Lex tokens in raw mode until we hit the end of the range, to avoid
|
|
// entering #includes or expanding macros.
|
|
while (true) {
|
|
Token Tok;
|
|
Lex.LexFromRawLexer(Tok);
|
|
|
|
reprocess:
|
|
if (Tok.is(tok::hash) && Tok.isAtStartOfLine()) {
|
|
// We have found a preprocessing directive. Gobble it up so that we
|
|
// don't see it while preprocessing these tokens later, but keep track
|
|
// of all of the token locations inside this preprocessing directive so
|
|
// that we can annotate them appropriately.
|
|
//
|
|
// FIXME: Some simple tests here could identify macro definitions and
|
|
// #undefs, to provide specific cursor kinds for those.
|
|
SmallVector<SourceLocation, 32> Locations;
|
|
do {
|
|
Locations.push_back(Tok.getLocation());
|
|
Lex.LexFromRawLexer(Tok);
|
|
} while (!Tok.isAtStartOfLine() && !Tok.is(tok::eof));
|
|
|
|
using namespace cxcursor;
|
|
CXCursor Cursor
|
|
= MakePreprocessingDirectiveCursor(SourceRange(Locations.front(),
|
|
Locations.back()),
|
|
TU);
|
|
for (unsigned I = 0, N = Locations.size(); I != N; ++I) {
|
|
Annotated[Locations[I].getRawEncoding()] = Cursor;
|
|
}
|
|
|
|
if (Tok.isAtStartOfLine())
|
|
goto reprocess;
|
|
|
|
continue;
|
|
}
|
|
|
|
if (Tok.is(tok::eof))
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (CXXUnit->getPreprocessor().getPreprocessingRecord()) {
|
|
// Search and mark tokens that are macro argument expansions.
|
|
MarkMacroArgTokensVisitor Visitor(CXXUnit->getSourceManager(),
|
|
Tokens, NumTokens);
|
|
CursorVisitor MacroArgMarker(TU,
|
|
MarkMacroArgTokensVisitorDelegate, &Visitor,
|
|
true, RegionOfInterest);
|
|
MacroArgMarker.visitPreprocessedEntitiesInRegion();
|
|
}
|
|
|
|
// Annotate all of the source locations in the region of interest that map to
|
|
// a specific cursor.
|
|
AnnotateTokensWorker W(Annotated, Tokens, Cursors, NumTokens,
|
|
TU, RegionOfInterest);
|
|
|
|
// FIXME: We use a ridiculous stack size here because the data-recursion
|
|
// algorithm uses a large stack frame than the non-data recursive version,
|
|
// and AnnotationTokensWorker currently transforms the data-recursion
|
|
// algorithm back into a traditional recursion by explicitly calling
|
|
// VisitChildren(). We will need to remove this explicit recursive call.
|
|
W.AnnotateTokens();
|
|
|
|
// If we ran into any entities that involve context-sensitive keywords,
|
|
// take another pass through the tokens to mark them as such.
|
|
if (W.hasContextSensitiveKeywords()) {
|
|
for (unsigned I = 0; I != NumTokens; ++I) {
|
|
if (clang_getTokenKind(Tokens[I]) != CXToken_Identifier)
|
|
continue;
|
|
|
|
if (Cursors[I].kind == CXCursor_ObjCPropertyDecl) {
|
|
IdentifierInfo *II = static_cast<IdentifierInfo *>(Tokens[I].ptr_data);
|
|
if (ObjCPropertyDecl *Property
|
|
= dyn_cast_or_null<ObjCPropertyDecl>(getCursorDecl(Cursors[I]))) {
|
|
if (Property->getPropertyAttributesAsWritten() != 0 &&
|
|
llvm::StringSwitch<bool>(II->getName())
|
|
.Case("readonly", true)
|
|
.Case("assign", true)
|
|
.Case("unsafe_unretained", true)
|
|
.Case("readwrite", true)
|
|
.Case("retain", true)
|
|
.Case("copy", true)
|
|
.Case("nonatomic", true)
|
|
.Case("atomic", true)
|
|
.Case("getter", true)
|
|
.Case("setter", true)
|
|
.Case("strong", true)
|
|
.Case("weak", true)
|
|
.Default(false))
|
|
Tokens[I].int_data[0] = CXToken_Keyword;
|
|
}
|
|
continue;
|
|
}
|
|
|
|
if (Cursors[I].kind == CXCursor_ObjCInstanceMethodDecl ||
|
|
Cursors[I].kind == CXCursor_ObjCClassMethodDecl) {
|
|
IdentifierInfo *II = static_cast<IdentifierInfo *>(Tokens[I].ptr_data);
|
|
if (llvm::StringSwitch<bool>(II->getName())
|
|
.Case("in", true)
|
|
.Case("out", true)
|
|
.Case("inout", true)
|
|
.Case("oneway", true)
|
|
.Case("bycopy", true)
|
|
.Case("byref", true)
|
|
.Default(false))
|
|
Tokens[I].int_data[0] = CXToken_Keyword;
|
|
continue;
|
|
}
|
|
|
|
if (Cursors[I].kind == CXCursor_CXXFinalAttr ||
|
|
Cursors[I].kind == CXCursor_CXXOverrideAttr) {
|
|
Tokens[I].int_data[0] = CXToken_Keyword;
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
extern "C" {
|
|
|
|
void clang_annotateTokens(CXTranslationUnit TU,
|
|
CXToken *Tokens, unsigned NumTokens,
|
|
CXCursor *Cursors) {
|
|
|
|
if (NumTokens == 0 || !Tokens || !Cursors)
|
|
return;
|
|
|
|
// Any token we don't specifically annotate will have a NULL cursor.
|
|
CXCursor C = clang_getNullCursor();
|
|
for (unsigned I = 0; I != NumTokens; ++I)
|
|
Cursors[I] = C;
|
|
|
|
ASTUnit *CXXUnit = static_cast<ASTUnit *>(TU->TUData);
|
|
if (!CXXUnit)
|
|
return;
|
|
|
|
ASTUnit::ConcurrencyCheck Check(*CXXUnit);
|
|
|
|
clang_annotateTokens_Data data = { TU, CXXUnit, Tokens, NumTokens, Cursors };
|
|
llvm::CrashRecoveryContext CRC;
|
|
if (!RunSafely(CRC, clang_annotateTokensImpl, &data,
|
|
GetSafetyThreadStackSize() * 2)) {
|
|
fprintf(stderr, "libclang: crash detected while annotating tokens\n");
|
|
}
|
|
}
|
|
|
|
} // end: extern "C"
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Operations for querying linkage of a cursor.
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
extern "C" {
|
|
CXLinkageKind clang_getCursorLinkage(CXCursor cursor) {
|
|
if (!clang_isDeclaration(cursor.kind))
|
|
return CXLinkage_Invalid;
|
|
|
|
Decl *D = cxcursor::getCursorDecl(cursor);
|
|
if (NamedDecl *ND = dyn_cast_or_null<NamedDecl>(D))
|
|
switch (ND->getLinkage()) {
|
|
case NoLinkage: return CXLinkage_NoLinkage;
|
|
case InternalLinkage: return CXLinkage_Internal;
|
|
case UniqueExternalLinkage: return CXLinkage_UniqueExternal;
|
|
case ExternalLinkage: return CXLinkage_External;
|
|
};
|
|
|
|
return CXLinkage_Invalid;
|
|
}
|
|
} // end: extern "C"
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Operations for querying language of a cursor.
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
static CXLanguageKind getDeclLanguage(const Decl *D) {
|
|
switch (D->getKind()) {
|
|
default:
|
|
break;
|
|
case Decl::ImplicitParam:
|
|
case Decl::ObjCAtDefsField:
|
|
case Decl::ObjCCategory:
|
|
case Decl::ObjCCategoryImpl:
|
|
case Decl::ObjCClass:
|
|
case Decl::ObjCCompatibleAlias:
|
|
case Decl::ObjCForwardProtocol:
|
|
case Decl::ObjCImplementation:
|
|
case Decl::ObjCInterface:
|
|
case Decl::ObjCIvar:
|
|
case Decl::ObjCMethod:
|
|
case Decl::ObjCProperty:
|
|
case Decl::ObjCPropertyImpl:
|
|
case Decl::ObjCProtocol:
|
|
return CXLanguage_ObjC;
|
|
case Decl::CXXConstructor:
|
|
case Decl::CXXConversion:
|
|
case Decl::CXXDestructor:
|
|
case Decl::CXXMethod:
|
|
case Decl::CXXRecord:
|
|
case Decl::ClassTemplate:
|
|
case Decl::ClassTemplatePartialSpecialization:
|
|
case Decl::ClassTemplateSpecialization:
|
|
case Decl::Friend:
|
|
case Decl::FriendTemplate:
|
|
case Decl::FunctionTemplate:
|
|
case Decl::LinkageSpec:
|
|
case Decl::Namespace:
|
|
case Decl::NamespaceAlias:
|
|
case Decl::NonTypeTemplateParm:
|
|
case Decl::StaticAssert:
|
|
case Decl::TemplateTemplateParm:
|
|
case Decl::TemplateTypeParm:
|
|
case Decl::UnresolvedUsingTypename:
|
|
case Decl::UnresolvedUsingValue:
|
|
case Decl::Using:
|
|
case Decl::UsingDirective:
|
|
case Decl::UsingShadow:
|
|
return CXLanguage_CPlusPlus;
|
|
}
|
|
|
|
return CXLanguage_C;
|
|
}
|
|
|
|
extern "C" {
|
|
|
|
enum CXAvailabilityKind clang_getCursorAvailability(CXCursor cursor) {
|
|
if (clang_isDeclaration(cursor.kind))
|
|
if (Decl *D = cxcursor::getCursorDecl(cursor)) {
|
|
if (isa<FunctionDecl>(D) && cast<FunctionDecl>(D)->isDeleted())
|
|
return CXAvailability_Available;
|
|
|
|
switch (D->getAvailability()) {
|
|
case AR_Available:
|
|
case AR_NotYetIntroduced:
|
|
return CXAvailability_Available;
|
|
|
|
case AR_Deprecated:
|
|
return CXAvailability_Deprecated;
|
|
|
|
case AR_Unavailable:
|
|
return CXAvailability_NotAvailable;
|
|
}
|
|
}
|
|
|
|
return CXAvailability_Available;
|
|
}
|
|
|
|
CXLanguageKind clang_getCursorLanguage(CXCursor cursor) {
|
|
if (clang_isDeclaration(cursor.kind))
|
|
return getDeclLanguage(cxcursor::getCursorDecl(cursor));
|
|
|
|
return CXLanguage_Invalid;
|
|
}
|
|
|
|
/// \brief If the given cursor is the "templated" declaration
|
|
/// descibing a class or function template, return the class or
|
|
/// function template.
|
|
static Decl *maybeGetTemplateCursor(Decl *D) {
|
|
if (!D)
|
|
return 0;
|
|
|
|
if (FunctionDecl *FD = dyn_cast<FunctionDecl>(D))
|
|
if (FunctionTemplateDecl *FunTmpl = FD->getDescribedFunctionTemplate())
|
|
return FunTmpl;
|
|
|
|
if (CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(D))
|
|
if (ClassTemplateDecl *ClassTmpl = RD->getDescribedClassTemplate())
|
|
return ClassTmpl;
|
|
|
|
return D;
|
|
}
|
|
|
|
CXCursor clang_getCursorSemanticParent(CXCursor cursor) {
|
|
if (clang_isDeclaration(cursor.kind)) {
|
|
if (Decl *D = getCursorDecl(cursor)) {
|
|
DeclContext *DC = D->getDeclContext();
|
|
if (!DC)
|
|
return clang_getNullCursor();
|
|
|
|
return MakeCXCursor(maybeGetTemplateCursor(cast<Decl>(DC)),
|
|
getCursorTU(cursor));
|
|
}
|
|
}
|
|
|
|
if (clang_isStatement(cursor.kind) || clang_isExpression(cursor.kind)) {
|
|
if (Decl *D = getCursorDecl(cursor))
|
|
return MakeCXCursor(D, getCursorTU(cursor));
|
|
}
|
|
|
|
return clang_getNullCursor();
|
|
}
|
|
|
|
CXCursor clang_getCursorLexicalParent(CXCursor cursor) {
|
|
if (clang_isDeclaration(cursor.kind)) {
|
|
if (Decl *D = getCursorDecl(cursor)) {
|
|
DeclContext *DC = D->getLexicalDeclContext();
|
|
if (!DC)
|
|
return clang_getNullCursor();
|
|
|
|
return MakeCXCursor(maybeGetTemplateCursor(cast<Decl>(DC)),
|
|
getCursorTU(cursor));
|
|
}
|
|
}
|
|
|
|
// FIXME: Note that we can't easily compute the lexical context of a
|
|
// statement or expression, so we return nothing.
|
|
return clang_getNullCursor();
|
|
}
|
|
|
|
static void CollectOverriddenMethods(DeclContext *Ctx,
|
|
ObjCMethodDecl *Method,
|
|
SmallVectorImpl<ObjCMethodDecl *> &Methods) {
|
|
if (!Ctx)
|
|
return;
|
|
|
|
// If we have a class or category implementation, jump straight to the
|
|
// interface.
|
|
if (ObjCImplDecl *Impl = dyn_cast<ObjCImplDecl>(Ctx))
|
|
return CollectOverriddenMethods(Impl->getClassInterface(), Method, Methods);
|
|
|
|
ObjCContainerDecl *Container = dyn_cast<ObjCContainerDecl>(Ctx);
|
|
if (!Container)
|
|
return;
|
|
|
|
// Check whether we have a matching method at this level.
|
|
if (ObjCMethodDecl *Overridden = Container->getMethod(Method->getSelector(),
|
|
Method->isInstanceMethod()))
|
|
if (Method != Overridden) {
|
|
// We found an override at this level; there is no need to look
|
|
// into other protocols or categories.
|
|
Methods.push_back(Overridden);
|
|
return;
|
|
}
|
|
|
|
if (ObjCProtocolDecl *Protocol = dyn_cast<ObjCProtocolDecl>(Container)) {
|
|
for (ObjCProtocolDecl::protocol_iterator P = Protocol->protocol_begin(),
|
|
PEnd = Protocol->protocol_end();
|
|
P != PEnd; ++P)
|
|
CollectOverriddenMethods(*P, Method, Methods);
|
|
}
|
|
|
|
if (ObjCCategoryDecl *Category = dyn_cast<ObjCCategoryDecl>(Container)) {
|
|
for (ObjCCategoryDecl::protocol_iterator P = Category->protocol_begin(),
|
|
PEnd = Category->protocol_end();
|
|
P != PEnd; ++P)
|
|
CollectOverriddenMethods(*P, Method, Methods);
|
|
}
|
|
|
|
if (ObjCInterfaceDecl *Interface = dyn_cast<ObjCInterfaceDecl>(Container)) {
|
|
for (ObjCInterfaceDecl::protocol_iterator P = Interface->protocol_begin(),
|
|
PEnd = Interface->protocol_end();
|
|
P != PEnd; ++P)
|
|
CollectOverriddenMethods(*P, Method, Methods);
|
|
|
|
for (ObjCCategoryDecl *Category = Interface->getCategoryList();
|
|
Category; Category = Category->getNextClassCategory())
|
|
CollectOverriddenMethods(Category, Method, Methods);
|
|
|
|
// We only look into the superclass if we haven't found anything yet.
|
|
if (Methods.empty())
|
|
if (ObjCInterfaceDecl *Super = Interface->getSuperClass())
|
|
return CollectOverriddenMethods(Super, Method, Methods);
|
|
}
|
|
}
|
|
|
|
void clang_getOverriddenCursors(CXCursor cursor,
|
|
CXCursor **overridden,
|
|
unsigned *num_overridden) {
|
|
if (overridden)
|
|
*overridden = 0;
|
|
if (num_overridden)
|
|
*num_overridden = 0;
|
|
if (!overridden || !num_overridden)
|
|
return;
|
|
|
|
if (!clang_isDeclaration(cursor.kind))
|
|
return;
|
|
|
|
Decl *D = getCursorDecl(cursor);
|
|
if (!D)
|
|
return;
|
|
|
|
// Handle C++ member functions.
|
|
CXTranslationUnit TU = getCursorTU(cursor);
|
|
if (CXXMethodDecl *CXXMethod = dyn_cast<CXXMethodDecl>(D)) {
|
|
*num_overridden = CXXMethod->size_overridden_methods();
|
|
if (!*num_overridden)
|
|
return;
|
|
|
|
*overridden = new CXCursor [*num_overridden];
|
|
unsigned I = 0;
|
|
for (CXXMethodDecl::method_iterator
|
|
M = CXXMethod->begin_overridden_methods(),
|
|
MEnd = CXXMethod->end_overridden_methods();
|
|
M != MEnd; (void)++M, ++I)
|
|
(*overridden)[I] = MakeCXCursor(const_cast<CXXMethodDecl*>(*M), TU);
|
|
return;
|
|
}
|
|
|
|
ObjCMethodDecl *Method = dyn_cast<ObjCMethodDecl>(D);
|
|
if (!Method)
|
|
return;
|
|
|
|
// Handle Objective-C methods.
|
|
SmallVector<ObjCMethodDecl *, 4> Methods;
|
|
CollectOverriddenMethods(Method->getDeclContext(), Method, Methods);
|
|
|
|
if (Methods.empty())
|
|
return;
|
|
|
|
*num_overridden = Methods.size();
|
|
*overridden = new CXCursor [Methods.size()];
|
|
for (unsigned I = 0, N = Methods.size(); I != N; ++I)
|
|
(*overridden)[I] = MakeCXCursor(Methods[I], TU);
|
|
}
|
|
|
|
void clang_disposeOverriddenCursors(CXCursor *overridden) {
|
|
delete [] overridden;
|
|
}
|
|
|
|
CXFile clang_getIncludedFile(CXCursor cursor) {
|
|
if (cursor.kind != CXCursor_InclusionDirective)
|
|
return 0;
|
|
|
|
InclusionDirective *ID = getCursorInclusionDirective(cursor);
|
|
return (void *)ID->getFile();
|
|
}
|
|
|
|
} // end: extern "C"
|
|
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// C++ AST instrospection.
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
extern "C" {
|
|
unsigned clang_CXXMethod_isStatic(CXCursor C) {
|
|
if (!clang_isDeclaration(C.kind))
|
|
return 0;
|
|
|
|
CXXMethodDecl *Method = 0;
|
|
Decl *D = cxcursor::getCursorDecl(C);
|
|
if (FunctionTemplateDecl *FunTmpl = dyn_cast_or_null<FunctionTemplateDecl>(D))
|
|
Method = dyn_cast<CXXMethodDecl>(FunTmpl->getTemplatedDecl());
|
|
else
|
|
Method = dyn_cast_or_null<CXXMethodDecl>(D);
|
|
return (Method && Method->isStatic()) ? 1 : 0;
|
|
}
|
|
|
|
unsigned clang_CXXMethod_isVirtual(CXCursor C) {
|
|
if (!clang_isDeclaration(C.kind))
|
|
return 0;
|
|
|
|
CXXMethodDecl *Method = 0;
|
|
Decl *D = cxcursor::getCursorDecl(C);
|
|
if (FunctionTemplateDecl *FunTmpl = dyn_cast_or_null<FunctionTemplateDecl>(D))
|
|
Method = dyn_cast<CXXMethodDecl>(FunTmpl->getTemplatedDecl());
|
|
else
|
|
Method = dyn_cast_or_null<CXXMethodDecl>(D);
|
|
return (Method && Method->isVirtual()) ? 1 : 0;
|
|
}
|
|
} // end: extern "C"
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Attribute introspection.
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
extern "C" {
|
|
CXType clang_getIBOutletCollectionType(CXCursor C) {
|
|
if (C.kind != CXCursor_IBOutletCollectionAttr)
|
|
return cxtype::MakeCXType(QualType(), cxcursor::getCursorTU(C));
|
|
|
|
IBOutletCollectionAttr *A =
|
|
cast<IBOutletCollectionAttr>(cxcursor::getCursorAttr(C));
|
|
|
|
return cxtype::MakeCXType(A->getInterface(), cxcursor::getCursorTU(C));
|
|
}
|
|
} // end: extern "C"
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Inspecting memory usage.
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
typedef std::vector<CXTUResourceUsageEntry> MemUsageEntries;
|
|
|
|
static inline void createCXTUResourceUsageEntry(MemUsageEntries &entries,
|
|
enum CXTUResourceUsageKind k,
|
|
unsigned long amount) {
|
|
CXTUResourceUsageEntry entry = { k, amount };
|
|
entries.push_back(entry);
|
|
}
|
|
|
|
extern "C" {
|
|
|
|
const char *clang_getTUResourceUsageName(CXTUResourceUsageKind kind) {
|
|
const char *str = "";
|
|
switch (kind) {
|
|
case CXTUResourceUsage_AST:
|
|
str = "ASTContext: expressions, declarations, and types";
|
|
break;
|
|
case CXTUResourceUsage_Identifiers:
|
|
str = "ASTContext: identifiers";
|
|
break;
|
|
case CXTUResourceUsage_Selectors:
|
|
str = "ASTContext: selectors";
|
|
break;
|
|
case CXTUResourceUsage_GlobalCompletionResults:
|
|
str = "Code completion: cached global results";
|
|
break;
|
|
case CXTUResourceUsage_SourceManagerContentCache:
|
|
str = "SourceManager: content cache allocator";
|
|
break;
|
|
case CXTUResourceUsage_AST_SideTables:
|
|
str = "ASTContext: side tables";
|
|
break;
|
|
case CXTUResourceUsage_SourceManager_Membuffer_Malloc:
|
|
str = "SourceManager: malloc'ed memory buffers";
|
|
break;
|
|
case CXTUResourceUsage_SourceManager_Membuffer_MMap:
|
|
str = "SourceManager: mmap'ed memory buffers";
|
|
break;
|
|
case CXTUResourceUsage_ExternalASTSource_Membuffer_Malloc:
|
|
str = "ExternalASTSource: malloc'ed memory buffers";
|
|
break;
|
|
case CXTUResourceUsage_ExternalASTSource_Membuffer_MMap:
|
|
str = "ExternalASTSource: mmap'ed memory buffers";
|
|
break;
|
|
case CXTUResourceUsage_Preprocessor:
|
|
str = "Preprocessor: malloc'ed memory";
|
|
break;
|
|
case CXTUResourceUsage_PreprocessingRecord:
|
|
str = "Preprocessor: PreprocessingRecord";
|
|
break;
|
|
case CXTUResourceUsage_SourceManager_DataStructures:
|
|
str = "SourceManager: data structures and tables";
|
|
break;
|
|
case CXTUResourceUsage_Preprocessor_HeaderSearch:
|
|
str = "Preprocessor: header search tables";
|
|
break;
|
|
}
|
|
return str;
|
|
}
|
|
|
|
CXTUResourceUsage clang_getCXTUResourceUsage(CXTranslationUnit TU) {
|
|
if (!TU) {
|
|
CXTUResourceUsage usage = { (void*) 0, 0, 0 };
|
|
return usage;
|
|
}
|
|
|
|
ASTUnit *astUnit = static_cast<ASTUnit*>(TU->TUData);
|
|
llvm::OwningPtr<MemUsageEntries> entries(new MemUsageEntries());
|
|
ASTContext &astContext = astUnit->getASTContext();
|
|
|
|
// How much memory is used by AST nodes and types?
|
|
createCXTUResourceUsageEntry(*entries, CXTUResourceUsage_AST,
|
|
(unsigned long) astContext.getASTAllocatedMemory());
|
|
|
|
// How much memory is used by identifiers?
|
|
createCXTUResourceUsageEntry(*entries, CXTUResourceUsage_Identifiers,
|
|
(unsigned long) astContext.Idents.getAllocator().getTotalMemory());
|
|
|
|
// How much memory is used for selectors?
|
|
createCXTUResourceUsageEntry(*entries, CXTUResourceUsage_Selectors,
|
|
(unsigned long) astContext.Selectors.getTotalMemory());
|
|
|
|
// How much memory is used by ASTContext's side tables?
|
|
createCXTUResourceUsageEntry(*entries, CXTUResourceUsage_AST_SideTables,
|
|
(unsigned long) astContext.getSideTableAllocatedMemory());
|
|
|
|
// How much memory is used for caching global code completion results?
|
|
unsigned long completionBytes = 0;
|
|
if (GlobalCodeCompletionAllocator *completionAllocator =
|
|
astUnit->getCachedCompletionAllocator().getPtr()) {
|
|
completionBytes = completionAllocator->getTotalMemory();
|
|
}
|
|
createCXTUResourceUsageEntry(*entries,
|
|
CXTUResourceUsage_GlobalCompletionResults,
|
|
completionBytes);
|
|
|
|
// How much memory is being used by SourceManager's content cache?
|
|
createCXTUResourceUsageEntry(*entries,
|
|
CXTUResourceUsage_SourceManagerContentCache,
|
|
(unsigned long) astContext.getSourceManager().getContentCacheSize());
|
|
|
|
// How much memory is being used by the MemoryBuffer's in SourceManager?
|
|
const SourceManager::MemoryBufferSizes &srcBufs =
|
|
astUnit->getSourceManager().getMemoryBufferSizes();
|
|
|
|
createCXTUResourceUsageEntry(*entries,
|
|
CXTUResourceUsage_SourceManager_Membuffer_Malloc,
|
|
(unsigned long) srcBufs.malloc_bytes);
|
|
createCXTUResourceUsageEntry(*entries,
|
|
CXTUResourceUsage_SourceManager_Membuffer_MMap,
|
|
(unsigned long) srcBufs.mmap_bytes);
|
|
createCXTUResourceUsageEntry(*entries,
|
|
CXTUResourceUsage_SourceManager_DataStructures,
|
|
(unsigned long) astContext.getSourceManager()
|
|
.getDataStructureSizes());
|
|
|
|
// How much memory is being used by the ExternalASTSource?
|
|
if (ExternalASTSource *esrc = astContext.getExternalSource()) {
|
|
const ExternalASTSource::MemoryBufferSizes &sizes =
|
|
esrc->getMemoryBufferSizes();
|
|
|
|
createCXTUResourceUsageEntry(*entries,
|
|
CXTUResourceUsage_ExternalASTSource_Membuffer_Malloc,
|
|
(unsigned long) sizes.malloc_bytes);
|
|
createCXTUResourceUsageEntry(*entries,
|
|
CXTUResourceUsage_ExternalASTSource_Membuffer_MMap,
|
|
(unsigned long) sizes.mmap_bytes);
|
|
}
|
|
|
|
// How much memory is being used by the Preprocessor?
|
|
Preprocessor &pp = astUnit->getPreprocessor();
|
|
createCXTUResourceUsageEntry(*entries,
|
|
CXTUResourceUsage_Preprocessor,
|
|
pp.getTotalMemory());
|
|
|
|
if (PreprocessingRecord *pRec = pp.getPreprocessingRecord()) {
|
|
createCXTUResourceUsageEntry(*entries,
|
|
CXTUResourceUsage_PreprocessingRecord,
|
|
pRec->getTotalMemory());
|
|
}
|
|
|
|
createCXTUResourceUsageEntry(*entries,
|
|
CXTUResourceUsage_Preprocessor_HeaderSearch,
|
|
pp.getHeaderSearchInfo().getTotalMemory());
|
|
|
|
CXTUResourceUsage usage = { (void*) entries.get(),
|
|
(unsigned) entries->size(),
|
|
entries->size() ? &(*entries)[0] : 0 };
|
|
entries.take();
|
|
return usage;
|
|
}
|
|
|
|
void clang_disposeCXTUResourceUsage(CXTUResourceUsage usage) {
|
|
if (usage.data)
|
|
delete (MemUsageEntries*) usage.data;
|
|
}
|
|
|
|
} // end extern "C"
|
|
|
|
void clang::PrintLibclangResourceUsage(CXTranslationUnit TU) {
|
|
CXTUResourceUsage Usage = clang_getCXTUResourceUsage(TU);
|
|
for (unsigned I = 0; I != Usage.numEntries; ++I)
|
|
fprintf(stderr, " %s: %lu\n",
|
|
clang_getTUResourceUsageName(Usage.entries[I].kind),
|
|
Usage.entries[I].amount);
|
|
|
|
clang_disposeCXTUResourceUsage(Usage);
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Misc. utility functions.
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
/// Default to using an 8 MB stack size on "safety" threads.
|
|
static unsigned SafetyStackThreadSize = 8 << 20;
|
|
|
|
namespace clang {
|
|
|
|
bool RunSafely(llvm::CrashRecoveryContext &CRC,
|
|
void (*Fn)(void*), void *UserData,
|
|
unsigned Size) {
|
|
if (!Size)
|
|
Size = GetSafetyThreadStackSize();
|
|
if (Size)
|
|
return CRC.RunSafelyOnThread(Fn, UserData, Size);
|
|
return CRC.RunSafely(Fn, UserData);
|
|
}
|
|
|
|
unsigned GetSafetyThreadStackSize() {
|
|
return SafetyStackThreadSize;
|
|
}
|
|
|
|
void SetSafetyThreadStackSize(unsigned Value) {
|
|
SafetyStackThreadSize = Value;
|
|
}
|
|
|
|
}
|
|
|
|
extern "C" {
|
|
|
|
CXString clang_getClangVersion() {
|
|
return createCXString(getClangFullVersion());
|
|
}
|
|
|
|
} // end: extern "C"
|
|
|