forked from OSchip/llvm-project
4252 lines
139 KiB
C++
4252 lines
139 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 "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/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/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/System/Mutex.h"
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#include "llvm/System/Program.h"
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#include "llvm/System/Signals.h"
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#include "llvm/System/Threading.h"
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// Needed to define L_TMPNAM on some systems.
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#include <cstdio>
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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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/// \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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// FIXME: How do do this with a macro instantiation location?
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SourceLocation EndLoc = R.getEnd();
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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.getFileLocWithOffset(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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// Cursor visitor.
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class CursorVisitor : public DeclVisitor<CursorVisitor, bool>,
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public TypeLocVisitor<CursorVisitor, bool>,
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public StmtVisitor<CursorVisitor, bool>
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{
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/// \brief The translation unit we are traversing.
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ASTUnit *TU;
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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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// MaxPCHLevel - the maximum PCH level of declarations that we will pass on
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// to the visitor. Declarations with a PCH level greater than this value will
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// be suppressed.
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unsigned MaxPCHLevel;
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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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using DeclVisitor<CursorVisitor, bool>::Visit;
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using TypeLocVisitor<CursorVisitor, bool>::Visit;
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using StmtVisitor<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(ASTUnit *TU, CXCursorVisitor Visitor, CXClientData ClientData,
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unsigned MaxPCHLevel,
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SourceRange RegionOfInterest = SourceRange())
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: TU(TU), Visitor(Visitor), ClientData(ClientData),
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MaxPCHLevel(MaxPCHLevel), RegionOfInterest(RegionOfInterest)
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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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bool Visit(CXCursor Cursor, bool CheckedRegionOfInterest = false);
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std::pair<PreprocessingRecord::iterator, PreprocessingRecord::iterator>
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getPreprocessedEntities();
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bool VisitChildren(CXCursor Parent);
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// Declaration visitors
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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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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 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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// 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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bool VisitQualifiedTypeLoc(QualifiedTypeLoc TL);
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bool VisitBuiltinTypeLoc(BuiltinTypeLoc TL);
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bool VisitTypedefTypeLoc(TypedefTypeLoc TL);
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bool VisitUnresolvedUsingTypeLoc(UnresolvedUsingTypeLoc TL);
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bool VisitTagTypeLoc(TagTypeLoc TL);
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bool VisitTemplateTypeParmTypeLoc(TemplateTypeParmTypeLoc TL);
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bool VisitObjCInterfaceTypeLoc(ObjCInterfaceTypeLoc TL);
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bool VisitObjCObjectTypeLoc(ObjCObjectTypeLoc TL);
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bool VisitObjCObjectPointerTypeLoc(ObjCObjectPointerTypeLoc TL);
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bool VisitPointerTypeLoc(PointerTypeLoc TL);
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bool VisitBlockPointerTypeLoc(BlockPointerTypeLoc TL);
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bool VisitMemberPointerTypeLoc(MemberPointerTypeLoc TL);
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bool VisitLValueReferenceTypeLoc(LValueReferenceTypeLoc TL);
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bool VisitRValueReferenceTypeLoc(RValueReferenceTypeLoc TL);
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bool VisitFunctionTypeLoc(FunctionTypeLoc TL, bool SkipResultType = false);
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bool VisitArrayTypeLoc(ArrayTypeLoc TL);
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bool VisitTemplateSpecializationTypeLoc(TemplateSpecializationTypeLoc TL);
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// FIXME: Implement visitors here when the unimplemented TypeLocs get
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// implemented
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bool VisitTypeOfExprTypeLoc(TypeOfExprTypeLoc TL);
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bool VisitTypeOfTypeLoc(TypeOfTypeLoc TL);
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// Statement visitors
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bool VisitStmt(Stmt *S);
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bool VisitDeclStmt(DeclStmt *S);
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bool VisitGotoStmt(GotoStmt *S);
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bool VisitIfStmt(IfStmt *S);
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bool VisitSwitchStmt(SwitchStmt *S);
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bool VisitCaseStmt(CaseStmt *S);
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bool VisitWhileStmt(WhileStmt *S);
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bool VisitForStmt(ForStmt *S);
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// Expression visitors
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bool VisitDeclRefExpr(DeclRefExpr *E);
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bool VisitCXXOperatorCallExpr(CXXOperatorCallExpr *E);
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bool VisitBlockExpr(BlockExpr *B);
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bool VisitCompoundLiteralExpr(CompoundLiteralExpr *E);
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bool VisitExplicitCastExpr(ExplicitCastExpr *E);
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bool VisitObjCMessageExpr(ObjCMessageExpr *E);
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bool VisitObjCEncodeExpr(ObjCEncodeExpr *E);
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bool VisitOffsetOfExpr(OffsetOfExpr *E);
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bool VisitSizeOfAlignOfExpr(SizeOfAlignOfExpr *E);
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bool VisitMemberExpr(MemberExpr *E);
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bool VisitAddrLabelExpr(AddrLabelExpr *E);
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bool VisitTypesCompatibleExpr(TypesCompatibleExpr *E);
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bool VisitVAArgExpr(VAArgExpr *E);
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bool VisitInitListExpr(InitListExpr *E);
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bool VisitDesignatedInitExpr(DesignatedInitExpr *E);
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bool VisitCXXTypeidExpr(CXXTypeidExpr *E);
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bool VisitCXXUuidofExpr(CXXUuidofExpr *E);
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bool VisitCXXDefaultArgExpr(CXXDefaultArgExpr *E) { return false; }
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bool VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr *E);
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bool VisitCXXScalarValueInitExpr(CXXScalarValueInitExpr *E);
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bool VisitCXXNewExpr(CXXNewExpr *E);
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bool VisitCXXPseudoDestructorExpr(CXXPseudoDestructorExpr *E);
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bool VisitUnaryTypeTraitExpr(UnaryTypeTraitExpr *E);
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bool VisitOverloadExpr(OverloadExpr *E);
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bool VisitDependentScopeDeclRefExpr(DependentScopeDeclRefExpr *E);
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bool VisitCXXUnresolvedConstructExpr(CXXUnresolvedConstructExpr *E);
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bool VisitCXXDependentScopeMemberExpr(CXXDependentScopeMemberExpr *E);
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bool VisitUnresolvedMemberExpr(UnresolvedMemberExpr *E);
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};
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} // end anonymous namespace
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static SourceRange getRawCursorExtent(CXCursor C);
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RangeComparisonResult CursorVisitor::CompareRegionOfInterest(SourceRange R) {
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return RangeCompare(TU->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->getPCHLevel() > MaxPCHLevel)
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return false;
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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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std::pair<PreprocessingRecord::iterator, PreprocessingRecord::iterator>
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CursorVisitor::getPreprocessedEntities() {
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PreprocessingRecord &PPRec
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= *TU->getPreprocessor().getPreprocessingRecord();
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bool OnlyLocalDecls
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= !TU->isMainFileAST() && TU->getOnlyLocalDecls();
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// There is no region of interest; we have to walk everything.
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if (RegionOfInterest.isInvalid())
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return std::make_pair(PPRec.begin(OnlyLocalDecls),
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PPRec.end(OnlyLocalDecls));
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// Find the file in which the region of interest lands.
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SourceManager &SM = TU->getSourceManager();
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std::pair<FileID, unsigned> Begin
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= SM.getDecomposedInstantiationLoc(RegionOfInterest.getBegin());
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std::pair<FileID, unsigned> End
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= SM.getDecomposedInstantiationLoc(RegionOfInterest.getEnd());
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// The region of interest spans files; we have to walk everything.
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if (Begin.first != End.first)
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return std::make_pair(PPRec.begin(OnlyLocalDecls),
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PPRec.end(OnlyLocalDecls));
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ASTUnit::PreprocessedEntitiesByFileMap &ByFileMap
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= TU->getPreprocessedEntitiesByFile();
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if (ByFileMap.empty()) {
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// Build the mapping from files to sets of preprocessed entities.
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for (PreprocessingRecord::iterator E = PPRec.begin(OnlyLocalDecls),
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EEnd = PPRec.end(OnlyLocalDecls);
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E != EEnd; ++E) {
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std::pair<FileID, unsigned> P
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= SM.getDecomposedInstantiationLoc((*E)->getSourceRange().getBegin());
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ByFileMap[P.first].push_back(*E);
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}
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}
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return std::make_pair(ByFileMap[Begin.first].begin(),
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ByFileMap[Begin.first].end());
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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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// 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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assert(D && "Invalid declaration cursor");
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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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return Visit(getCursorStmt(Cursor));
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if (clang_isExpression(Cursor.kind))
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return Visit(getCursorExpr(Cursor));
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if (clang_isTranslationUnit(Cursor.kind)) {
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ASTUnit *CXXUnit = getCursorASTUnit(Cursor);
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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, CXXUnit), 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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// Walk the preprocessing record.
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if (CXXUnit->getPreprocessor().getPreprocessingRecord()) {
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// FIXME: Once we have the ability to deserialize a preprocessing record,
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// do so.
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PreprocessingRecord::iterator E, EEnd;
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for (llvm::tie(E, EEnd) = getPreprocessedEntities(); E != EEnd; ++E) {
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if (MacroInstantiation *MI = dyn_cast<MacroInstantiation>(*E)) {
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if (Visit(MakeMacroInstantiationCursor(MI, CXXUnit)))
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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>(*E)) {
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if (Visit(MakeMacroDefinitionCursor(MD, CXXUnit)))
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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>(*E)) {
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if (Visit(MakeInclusionDirectiveCursor(ID, CXXUnit)))
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return true;
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continue;
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}
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}
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}
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return false;
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}
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// Nothing to visit at the moment.
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitBlockDecl(BlockDecl *B) {
|
|
if (Visit(B->getSignatureAsWritten()->getTypeLoc()))
|
|
return true;
|
|
|
|
if (Stmt *Body = B->getBody())
|
|
return Visit(MakeCXCursor(Body, StmtParent, TU));
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitDeclContext(DeclContext *DC) {
|
|
for (DeclContext::decl_iterator
|
|
I = DC->decls_begin(), E = DC->decls_end(); I != E; ++I) {
|
|
|
|
Decl *D = *I;
|
|
if (D->getLexicalDeclContext() != DC)
|
|
continue;
|
|
|
|
CXCursor Cursor = MakeCXCursor(D, TU);
|
|
|
|
if (RegionOfInterest.isValid()) {
|
|
SourceRange Range = getRawCursorExtent(Cursor);
|
|
if (Range.isInvalid())
|
|
continue;
|
|
|
|
switch (CompareRegionOfInterest(Range)) {
|
|
case RangeBefore:
|
|
// This declaration comes before the region of interest; skip it.
|
|
continue;
|
|
|
|
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;
|
|
}
|
|
}
|
|
|
|
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::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;
|
|
|
|
return false;
|
|
}
|
|
|
|
/// \brief Compare two base or member initializers based on their source order.
|
|
static int CompareCXXBaseOrMemberInitializers(const void* Xp, const void *Yp) {
|
|
CXXBaseOrMemberInitializer const * const *X
|
|
= static_cast<CXXBaseOrMemberInitializer const * const *>(Xp);
|
|
CXXBaseOrMemberInitializer const * const *Y
|
|
= static_cast<CXXBaseOrMemberInitializer 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();
|
|
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 (NestedNameSpecifier *Qualifier = ND->getQualifier())
|
|
if (VisitNestedNameSpecifier(Qualifier, ND->getQualifierRange()))
|
|
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->isThisDeclarationADefinition()) {
|
|
if (CXXConstructorDecl *Constructor = dyn_cast<CXXConstructorDecl>(ND)) {
|
|
// Find the initializers that were written in the source.
|
|
llvm::SmallVector<CXXBaseOrMemberInitializer *, 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(),
|
|
&CompareCXXBaseOrMemberInitializers);
|
|
|
|
// Visit the initializers in source order
|
|
for (unsigned I = 0, N = WrittenInits.size(); I != N; ++I) {
|
|
CXXBaseOrMemberInitializer *Init = WrittenInits[I];
|
|
if (Init->isMemberInitializer()) {
|
|
if (Visit(MakeCursorMemberRef(Init->getMember(),
|
|
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;
|
|
}
|
|
|
|
bool CursorVisitor::VisitObjCContainerDecl(ObjCContainerDecl *D) {
|
|
return VisitDeclContext(D);
|
|
}
|
|
|
|
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) {
|
|
for (ObjCClassDecl::iterator C = D->begin(), CEnd = D->end(); C != CEnd; ++C)
|
|
if (Visit(MakeCursorObjCClassRef(C->getInterface(), C->getLocation(), TU)))
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitNamespaceDecl(NamespaceDecl *D) {
|
|
return VisitDeclContext(D);
|
|
}
|
|
|
|
bool CursorVisitor::VisitNamespaceAliasDecl(NamespaceAliasDecl *D) {
|
|
// Visit nested-name-specifier.
|
|
if (NestedNameSpecifier *Qualifier = D->getQualifier())
|
|
if (VisitNestedNameSpecifier(Qualifier, D->getQualifierRange()))
|
|
return true;
|
|
|
|
return Visit(MakeCursorNamespaceRef(D->getAliasedNamespace(),
|
|
D->getTargetNameLoc(), TU));
|
|
}
|
|
|
|
bool CursorVisitor::VisitUsingDecl(UsingDecl *D) {
|
|
// Visit nested-name-specifier.
|
|
if (NestedNameSpecifier *Qualifier = D->getTargetNestedNameDecl())
|
|
if (VisitNestedNameSpecifier(Qualifier, D->getNestedNameRange()))
|
|
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 (NestedNameSpecifier *Qualifier = D->getQualifier())
|
|
if (VisitNestedNameSpecifier(Qualifier, D->getQualifierRange()))
|
|
return true;
|
|
|
|
return Visit(MakeCursorNamespaceRef(D->getNominatedNamespaceAsWritten(),
|
|
D->getIdentLocation(), TU));
|
|
}
|
|
|
|
bool CursorVisitor::VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D) {
|
|
// Visit nested-name-specifier.
|
|
if (NestedNameSpecifier *Qualifier = D->getTargetNestedNameSpecifier())
|
|
if (VisitNestedNameSpecifier(Qualifier, D->getTargetNestedNameRange()))
|
|
return true;
|
|
|
|
return VisitDeclarationNameInfo(D->getNameInfo());
|
|
}
|
|
|
|
bool CursorVisitor::VisitUnresolvedUsingTypenameDecl(
|
|
UnresolvedUsingTypenameDecl *D) {
|
|
// Visit nested-name-specifier.
|
|
if (NestedNameSpecifier *Qualifier = D->getTargetNestedNameSpecifier())
|
|
if (VisitNestedNameSpecifier(Qualifier, D->getTargetNestedNameRange()))
|
|
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:
|
|
// FIXME: The token at this source location might actually have been a
|
|
// namespace alias, but we don't model that. Lame!
|
|
return Visit(MakeCursorNamespaceRef(NNS->getAsNamespace(), 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.
|
|
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::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));
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitTemplateArgumentLoc(const TemplateArgumentLoc &TAL) {
|
|
switch (TAL.getArgument().getKind()) {
|
|
case TemplateArgument::Null:
|
|
case TemplateArgument::Integral:
|
|
return false;
|
|
|
|
case TemplateArgument::Pack:
|
|
// FIXME: Implement when variadic templates come along.
|
|
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:
|
|
return VisitTemplateName(TAL.getArgument().getAsTemplate(),
|
|
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 = TU->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:
|
|
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::Dependent:
|
|
break;
|
|
|
|
case BuiltinType::UndeducedAuto: // FIXME: Deserves a cursor?
|
|
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.getTypedefDecl(), TL.getNameLoc(), TU));
|
|
}
|
|
|
|
bool CursorVisitor::VisitUnresolvedUsingTypeLoc(UnresolvedUsingTypeLoc TL) {
|
|
return Visit(MakeCursorTypeRef(TL.getDecl(), TL.getNameLoc(), TU));
|
|
}
|
|
|
|
bool CursorVisitor::VisitTagTypeLoc(TagTypeLoc TL) {
|
|
return Visit(MakeCursorTypeRef(TL.getDecl(), TL.getNameLoc(), TU));
|
|
}
|
|
|
|
bool CursorVisitor::VisitTemplateTypeParmTypeLoc(TemplateTypeParmTypeLoc TL) {
|
|
// FIXME: We can't visit the template type parameter, because there's
|
|
// no context information with which we can match up the depth/index in the
|
|
// type to the appropriate
|
|
return false;
|
|
}
|
|
|
|
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::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::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::VisitStmt(Stmt *S) {
|
|
for (Stmt::child_iterator Child = S->child_begin(), ChildEnd = S->child_end();
|
|
Child != ChildEnd; ++Child) {
|
|
if (Stmt *C = *Child)
|
|
if (Visit(MakeCXCursor(C, StmtParent, TU)))
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitCaseStmt(CaseStmt *S) {
|
|
// Specially handle CaseStmts because they can be nested, e.g.:
|
|
//
|
|
// case 1:
|
|
// case 2:
|
|
//
|
|
// In this case the second CaseStmt is the child of the first. Walking
|
|
// these recursively can blow out the stack.
|
|
CXCursor Cursor = MakeCXCursor(S, StmtParent, TU);
|
|
while (true) {
|
|
// Set the Parent field to Cursor, then back to its old value once we're
|
|
// done.
|
|
SetParentRAII SetParent(Parent, StmtParent, Cursor);
|
|
|
|
if (Stmt *LHS = S->getLHS())
|
|
if (Visit(MakeCXCursor(LHS, StmtParent, TU)))
|
|
return true;
|
|
if (Stmt *RHS = S->getRHS())
|
|
if (Visit(MakeCXCursor(RHS, StmtParent, TU)))
|
|
return true;
|
|
if (Stmt *SubStmt = S->getSubStmt()) {
|
|
if (!isa<CaseStmt>(SubStmt))
|
|
return Visit(MakeCXCursor(SubStmt, StmtParent, TU));
|
|
|
|
// Specially handle 'CaseStmt' so that we don't blow out the stack.
|
|
CaseStmt *CS = cast<CaseStmt>(SubStmt);
|
|
Cursor = MakeCXCursor(CS, StmtParent, TU);
|
|
if (RegionOfInterest.isValid()) {
|
|
SourceRange Range = CS->getSourceRange();
|
|
if (Range.isInvalid() || CompareRegionOfInterest(Range))
|
|
return false;
|
|
}
|
|
|
|
switch (Visitor(Cursor, Parent, ClientData)) {
|
|
case CXChildVisit_Break: return true;
|
|
case CXChildVisit_Continue: return false;
|
|
case CXChildVisit_Recurse:
|
|
// Perform tail-recursion manually.
|
|
S = CS;
|
|
continue;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
}
|
|
|
|
bool CursorVisitor::VisitDeclStmt(DeclStmt *S) {
|
|
for (DeclStmt::decl_iterator D = S->decl_begin(), DEnd = S->decl_end();
|
|
D != DEnd; ++D) {
|
|
if (*D && Visit(MakeCXCursor(*D, TU)))
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitGotoStmt(GotoStmt *S) {
|
|
return Visit(MakeCursorLabelRef(S->getLabel(), S->getLabelLoc(), TU));
|
|
}
|
|
|
|
bool CursorVisitor::VisitIfStmt(IfStmt *S) {
|
|
if (VarDecl *Var = S->getConditionVariable()) {
|
|
if (Visit(MakeCXCursor(Var, TU)))
|
|
return true;
|
|
}
|
|
|
|
if (S->getCond() && Visit(MakeCXCursor(S->getCond(), StmtParent, TU)))
|
|
return true;
|
|
if (S->getThen() && Visit(MakeCXCursor(S->getThen(), StmtParent, TU)))
|
|
return true;
|
|
if (S->getElse() && Visit(MakeCXCursor(S->getElse(), StmtParent, TU)))
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitSwitchStmt(SwitchStmt *S) {
|
|
if (VarDecl *Var = S->getConditionVariable()) {
|
|
if (Visit(MakeCXCursor(Var, TU)))
|
|
return true;
|
|
}
|
|
|
|
if (S->getCond() && Visit(MakeCXCursor(S->getCond(), StmtParent, TU)))
|
|
return true;
|
|
if (S->getBody() && Visit(MakeCXCursor(S->getBody(), StmtParent, TU)))
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitWhileStmt(WhileStmt *S) {
|
|
if (VarDecl *Var = S->getConditionVariable()) {
|
|
if (Visit(MakeCXCursor(Var, TU)))
|
|
return true;
|
|
}
|
|
|
|
if (S->getCond() && Visit(MakeCXCursor(S->getCond(), StmtParent, TU)))
|
|
return true;
|
|
if (S->getBody() && Visit(MakeCXCursor(S->getBody(), StmtParent, TU)))
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitForStmt(ForStmt *S) {
|
|
if (S->getInit() && Visit(MakeCXCursor(S->getInit(), StmtParent, TU)))
|
|
return true;
|
|
if (VarDecl *Var = S->getConditionVariable()) {
|
|
if (Visit(MakeCXCursor(Var, TU)))
|
|
return true;
|
|
}
|
|
|
|
if (S->getCond() && Visit(MakeCXCursor(S->getCond(), StmtParent, TU)))
|
|
return true;
|
|
if (S->getInc() && Visit(MakeCXCursor(S->getInc(), StmtParent, TU)))
|
|
return true;
|
|
if (S->getBody() && Visit(MakeCXCursor(S->getBody(), StmtParent, TU)))
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitDeclRefExpr(DeclRefExpr *E) {
|
|
// Visit nested-name-specifier, if present.
|
|
if (NestedNameSpecifier *Qualifier = E->getQualifier())
|
|
if (VisitNestedNameSpecifier(Qualifier, E->getQualifierRange()))
|
|
return true;
|
|
|
|
// Visit declaration name.
|
|
if (VisitDeclarationNameInfo(E->getNameInfo()))
|
|
return true;
|
|
|
|
// Visit explicitly-specified template arguments.
|
|
if (E->hasExplicitTemplateArgs()) {
|
|
ExplicitTemplateArgumentList &Args = E->getExplicitTemplateArgs();
|
|
for (TemplateArgumentLoc *Arg = Args.getTemplateArgs(),
|
|
*ArgEnd = Arg + Args.NumTemplateArgs;
|
|
Arg != ArgEnd; ++Arg)
|
|
if (VisitTemplateArgumentLoc(*Arg))
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitCXXOperatorCallExpr(CXXOperatorCallExpr *E) {
|
|
if (Visit(MakeCXCursor(E->getArg(0), StmtParent, TU)))
|
|
return true;
|
|
|
|
if (Visit(MakeCXCursor(E->getCallee(), StmtParent, TU)))
|
|
return true;
|
|
|
|
for (unsigned I = 1, N = E->getNumArgs(); I != N; ++I)
|
|
if (Visit(MakeCXCursor(E->getArg(I), StmtParent, TU)))
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitCXXRecordDecl(CXXRecordDecl *D) {
|
|
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::VisitBlockExpr(BlockExpr *B) {
|
|
return Visit(B->getBlockDecl());
|
|
}
|
|
|
|
bool CursorVisitor::VisitOffsetOfExpr(OffsetOfExpr *E) {
|
|
// Visit the type into which we're computing an offset.
|
|
if (Visit(E->getTypeSourceInfo()->getTypeLoc()))
|
|
return true;
|
|
|
|
// Visit the components of the offsetof expression.
|
|
for (unsigned I = 0, N = E->getNumComponents(); I != N; ++I) {
|
|
typedef OffsetOfExpr::OffsetOfNode OffsetOfNode;
|
|
const OffsetOfNode &Node = E->getComponent(I);
|
|
switch (Node.getKind()) {
|
|
case OffsetOfNode::Array:
|
|
if (Visit(MakeCXCursor(E->getIndexExpr(Node.getArrayExprIndex()),
|
|
StmtParent, TU)))
|
|
return true;
|
|
break;
|
|
|
|
case OffsetOfNode::Field:
|
|
if (Visit(MakeCursorMemberRef(Node.getField(), Node.getRange().getEnd(),
|
|
TU)))
|
|
return true;
|
|
break;
|
|
|
|
case OffsetOfNode::Identifier:
|
|
case OffsetOfNode::Base:
|
|
continue;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitSizeOfAlignOfExpr(SizeOfAlignOfExpr *E) {
|
|
if (E->isArgumentType()) {
|
|
if (TypeSourceInfo *TSInfo = E->getArgumentTypeInfo())
|
|
return Visit(TSInfo->getTypeLoc());
|
|
|
|
return false;
|
|
}
|
|
|
|
return VisitExpr(E);
|
|
}
|
|
|
|
bool CursorVisitor::VisitMemberExpr(MemberExpr *E) {
|
|
// Visit the base expression.
|
|
if (Visit(MakeCXCursor(E->getBase(), StmtParent, TU)))
|
|
return true;
|
|
|
|
// Visit the nested-name-specifier
|
|
if (NestedNameSpecifier *Qualifier = E->getQualifier())
|
|
if (VisitNestedNameSpecifier(Qualifier, E->getQualifierRange()))
|
|
return true;
|
|
|
|
// Visit the declaration name.
|
|
if (VisitDeclarationNameInfo(E->getMemberNameInfo()))
|
|
return true;
|
|
|
|
// Visit the explicitly-specified template arguments, if any.
|
|
if (E->hasExplicitTemplateArgs()) {
|
|
for (const TemplateArgumentLoc *Arg = E->getTemplateArgs(),
|
|
*ArgEnd = Arg + E->getNumTemplateArgs();
|
|
Arg != ArgEnd;
|
|
++Arg) {
|
|
if (VisitTemplateArgumentLoc(*Arg))
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitExplicitCastExpr(ExplicitCastExpr *E) {
|
|
if (TypeSourceInfo *TSInfo = E->getTypeInfoAsWritten())
|
|
if (Visit(TSInfo->getTypeLoc()))
|
|
return true;
|
|
|
|
return VisitCastExpr(E);
|
|
}
|
|
|
|
bool CursorVisitor::VisitCompoundLiteralExpr(CompoundLiteralExpr *E) {
|
|
if (TypeSourceInfo *TSInfo = E->getTypeSourceInfo())
|
|
if (Visit(TSInfo->getTypeLoc()))
|
|
return true;
|
|
|
|
return VisitExpr(E);
|
|
}
|
|
|
|
bool CursorVisitor::VisitAddrLabelExpr(AddrLabelExpr *E) {
|
|
return Visit(MakeCursorLabelRef(E->getLabel(), E->getLabelLoc(), TU));
|
|
}
|
|
|
|
bool CursorVisitor::VisitTypesCompatibleExpr(TypesCompatibleExpr *E) {
|
|
return Visit(E->getArgTInfo1()->getTypeLoc()) ||
|
|
Visit(E->getArgTInfo2()->getTypeLoc());
|
|
}
|
|
|
|
bool CursorVisitor::VisitVAArgExpr(VAArgExpr *E) {
|
|
if (Visit(E->getWrittenTypeInfo()->getTypeLoc()))
|
|
return true;
|
|
|
|
return Visit(MakeCXCursor(E->getSubExpr(), StmtParent, TU));
|
|
}
|
|
|
|
bool CursorVisitor::VisitInitListExpr(InitListExpr *E) {
|
|
// We care about the syntactic form of the initializer list, only.
|
|
if (InitListExpr *Syntactic = E->getSyntacticForm())
|
|
return VisitExpr(Syntactic);
|
|
|
|
return VisitExpr(E);
|
|
}
|
|
|
|
bool CursorVisitor::VisitDesignatedInitExpr(DesignatedInitExpr *E) {
|
|
// Visit the designators.
|
|
typedef DesignatedInitExpr::Designator Designator;
|
|
for (DesignatedInitExpr::designators_iterator D = E->designators_begin(),
|
|
DEnd = E->designators_end();
|
|
D != DEnd; ++D) {
|
|
if (D->isFieldDesignator()) {
|
|
if (FieldDecl *Field = D->getField())
|
|
if (Visit(MakeCursorMemberRef(Field, D->getFieldLoc(), TU)))
|
|
return true;
|
|
|
|
continue;
|
|
}
|
|
|
|
if (D->isArrayDesignator()) {
|
|
if (Visit(MakeCXCursor(E->getArrayIndex(*D), StmtParent, TU)))
|
|
return true;
|
|
|
|
continue;
|
|
}
|
|
|
|
assert(D->isArrayRangeDesignator() && "Unknown designator kind");
|
|
if (Visit(MakeCXCursor(E->getArrayRangeStart(*D), StmtParent, TU)) ||
|
|
Visit(MakeCXCursor(E->getArrayRangeEnd(*D), StmtParent, TU)))
|
|
return true;
|
|
}
|
|
|
|
// Visit the initializer value itself.
|
|
return Visit(MakeCXCursor(E->getInit(), StmtParent, TU));
|
|
}
|
|
|
|
bool CursorVisitor::VisitCXXTypeidExpr(CXXTypeidExpr *E) {
|
|
if (E->isTypeOperand()) {
|
|
if (TypeSourceInfo *TSInfo = E->getTypeOperandSourceInfo())
|
|
return Visit(TSInfo->getTypeLoc());
|
|
|
|
return false;
|
|
}
|
|
|
|
return VisitExpr(E);
|
|
}
|
|
|
|
bool CursorVisitor::VisitCXXUuidofExpr(CXXUuidofExpr *E) {
|
|
if (E->isTypeOperand()) {
|
|
if (TypeSourceInfo *TSInfo = E->getTypeOperandSourceInfo())
|
|
return Visit(TSInfo->getTypeLoc());
|
|
|
|
return false;
|
|
}
|
|
|
|
return VisitExpr(E);
|
|
}
|
|
|
|
bool CursorVisitor::VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr *E) {
|
|
if (TypeSourceInfo *TSInfo = E->getTypeSourceInfo())
|
|
return Visit(TSInfo->getTypeLoc());
|
|
|
|
return VisitExpr(E);
|
|
}
|
|
|
|
bool CursorVisitor::VisitCXXScalarValueInitExpr(CXXScalarValueInitExpr *E) {
|
|
if (TypeSourceInfo *TSInfo = E->getTypeSourceInfo())
|
|
return Visit(TSInfo->getTypeLoc());
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitCXXNewExpr(CXXNewExpr *E) {
|
|
// Visit placement arguments.
|
|
for (unsigned I = 0, N = E->getNumPlacementArgs(); I != N; ++I)
|
|
if (Visit(MakeCXCursor(E->getPlacementArg(I), StmtParent, TU)))
|
|
return true;
|
|
|
|
// Visit the allocated type.
|
|
if (TypeSourceInfo *TSInfo = E->getAllocatedTypeSourceInfo())
|
|
if (Visit(TSInfo->getTypeLoc()))
|
|
return true;
|
|
|
|
// Visit the array size, if any.
|
|
if (E->isArray() && Visit(MakeCXCursor(E->getArraySize(), StmtParent, TU)))
|
|
return true;
|
|
|
|
// Visit the initializer or constructor arguments.
|
|
for (unsigned I = 0, N = E->getNumConstructorArgs(); I != N; ++I)
|
|
if (Visit(MakeCXCursor(E->getConstructorArg(I), StmtParent, TU)))
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitCXXPseudoDestructorExpr(CXXPseudoDestructorExpr *E) {
|
|
// Visit base expression.
|
|
if (Visit(MakeCXCursor(E->getBase(), StmtParent, TU)))
|
|
return true;
|
|
|
|
// Visit the nested-name-specifier.
|
|
if (NestedNameSpecifier *Qualifier = E->getQualifier())
|
|
if (VisitNestedNameSpecifier(Qualifier, E->getQualifierRange()))
|
|
return true;
|
|
|
|
// Visit the scope type that looks disturbingly like the nested-name-specifier
|
|
// but isn't.
|
|
if (TypeSourceInfo *TSInfo = E->getScopeTypeInfo())
|
|
if (Visit(TSInfo->getTypeLoc()))
|
|
return true;
|
|
|
|
// Visit the name of the type being destroyed.
|
|
if (TypeSourceInfo *TSInfo = E->getDestroyedTypeInfo())
|
|
if (Visit(TSInfo->getTypeLoc()))
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitUnaryTypeTraitExpr(UnaryTypeTraitExpr *E) {
|
|
return Visit(E->getQueriedTypeSourceInfo()->getTypeLoc());
|
|
}
|
|
|
|
bool CursorVisitor::VisitOverloadExpr(OverloadExpr *E) {
|
|
// Visit the nested-name-specifier.
|
|
if (NestedNameSpecifier *Qualifier = E->getQualifier())
|
|
if (VisitNestedNameSpecifier(Qualifier, E->getQualifierRange()))
|
|
return true;
|
|
|
|
// Visit the declaration name.
|
|
if (VisitDeclarationNameInfo(E->getNameInfo()))
|
|
return true;
|
|
|
|
// Visit the overloaded declaration reference.
|
|
if (Visit(MakeCursorOverloadedDeclRef(E, TU)))
|
|
return true;
|
|
|
|
// Visit the explicitly-specified template arguments.
|
|
if (const ExplicitTemplateArgumentList *ArgList
|
|
= E->getOptionalExplicitTemplateArgs()) {
|
|
for (const TemplateArgumentLoc *Arg = ArgList->getTemplateArgs(),
|
|
*ArgEnd = Arg + ArgList->NumTemplateArgs;
|
|
Arg != ArgEnd; ++Arg) {
|
|
if (VisitTemplateArgumentLoc(*Arg))
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitDependentScopeDeclRefExpr(
|
|
DependentScopeDeclRefExpr *E) {
|
|
// Visit the nested-name-specifier.
|
|
if (NestedNameSpecifier *Qualifier = E->getQualifier())
|
|
if (VisitNestedNameSpecifier(Qualifier, E->getQualifierRange()))
|
|
return true;
|
|
|
|
// Visit the declaration name.
|
|
if (VisitDeclarationNameInfo(E->getNameInfo()))
|
|
return true;
|
|
|
|
// Visit the explicitly-specified template arguments.
|
|
if (const ExplicitTemplateArgumentList *ArgList
|
|
= E->getOptionalExplicitTemplateArgs()) {
|
|
for (const TemplateArgumentLoc *Arg = ArgList->getTemplateArgs(),
|
|
*ArgEnd = Arg + ArgList->NumTemplateArgs;
|
|
Arg != ArgEnd; ++Arg) {
|
|
if (VisitTemplateArgumentLoc(*Arg))
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitCXXUnresolvedConstructExpr(
|
|
CXXUnresolvedConstructExpr *E) {
|
|
if (TypeSourceInfo *TSInfo = E->getTypeSourceInfo())
|
|
if (Visit(TSInfo->getTypeLoc()))
|
|
return true;
|
|
|
|
return VisitExpr(E);
|
|
}
|
|
|
|
bool CursorVisitor::VisitCXXDependentScopeMemberExpr(
|
|
CXXDependentScopeMemberExpr *E) {
|
|
// Visit the base expression, if there is one.
|
|
if (!E->isImplicitAccess() &&
|
|
Visit(MakeCXCursor(E->getBase(), StmtParent, TU)))
|
|
return true;
|
|
|
|
// Visit the nested-name-specifier.
|
|
if (NestedNameSpecifier *Qualifier = E->getQualifier())
|
|
if (VisitNestedNameSpecifier(Qualifier, E->getQualifierRange()))
|
|
return true;
|
|
|
|
// Visit the declaration name.
|
|
if (VisitDeclarationNameInfo(E->getMemberNameInfo()))
|
|
return true;
|
|
|
|
// Visit the explicitly-specified template arguments.
|
|
if (const ExplicitTemplateArgumentList *ArgList
|
|
= E->getOptionalExplicitTemplateArgs()) {
|
|
for (const TemplateArgumentLoc *Arg = ArgList->getTemplateArgs(),
|
|
*ArgEnd = Arg + ArgList->NumTemplateArgs;
|
|
Arg != ArgEnd; ++Arg) {
|
|
if (VisitTemplateArgumentLoc(*Arg))
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CursorVisitor::VisitUnresolvedMemberExpr(UnresolvedMemberExpr *E) {
|
|
// Visit the base expression, if there is one.
|
|
if (!E->isImplicitAccess() &&
|
|
Visit(MakeCXCursor(E->getBase(), StmtParent, TU)))
|
|
return true;
|
|
|
|
return VisitOverloadExpr(E);
|
|
}
|
|
|
|
bool CursorVisitor::VisitObjCMessageExpr(ObjCMessageExpr *E) {
|
|
if (TypeSourceInfo *TSInfo = E->getClassReceiverTypeInfo())
|
|
if (Visit(TSInfo->getTypeLoc()))
|
|
return true;
|
|
|
|
return VisitExpr(E);
|
|
}
|
|
|
|
bool CursorVisitor::VisitObjCEncodeExpr(ObjCEncodeExpr *E) {
|
|
return Visit(E->getEncodedTypeSourceInfo()->getTypeLoc());
|
|
}
|
|
|
|
|
|
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;
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
CXTranslationUnit clang_createTranslationUnit(CXIndex CIdx,
|
|
const char *ast_filename) {
|
|
if (!CIdx)
|
|
return 0;
|
|
|
|
CIndexer *CXXIdx = static_cast<CIndexer *>(CIdx);
|
|
|
|
llvm::IntrusiveRefCntPtr<Diagnostic> Diags;
|
|
return ASTUnit::LoadFromASTFile(ast_filename, Diags,
|
|
CXXIdx->getOnlyLocalDecls(),
|
|
0, 0, true);
|
|
}
|
|
|
|
unsigned clang_defaultEditingTranslationUnitOptions() {
|
|
return CXTranslationUnit_PrecompiledPreamble |
|
|
CXTranslationUnit_CacheCompletionResults |
|
|
CXTranslationUnit_CXXPrecompiledPreamble;
|
|
}
|
|
|
|
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) {
|
|
return clang_parseTranslationUnit(CIdx, source_filename,
|
|
command_line_args, num_command_line_args,
|
|
unsaved_files, num_unsaved_files,
|
|
CXTranslationUnit_DetailedPreprocessingRecord);
|
|
}
|
|
|
|
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;
|
|
bool CompleteTranslationUnit
|
|
= ((options & CXTranslationUnit_Incomplete) == 0);
|
|
bool CacheCodeCompetionResults
|
|
= options & CXTranslationUnit_CacheCompletionResults;
|
|
bool CXXPrecompilePreamble
|
|
= options & CXTranslationUnit_CXXPrecompiledPreamble;
|
|
bool CXXChainedPCH
|
|
= options & CXTranslationUnit_CXXChainedPCH;
|
|
|
|
// Configure the diagnostics.
|
|
DiagnosticOptions DiagOpts;
|
|
llvm::IntrusiveRefCntPtr<Diagnostic> Diags;
|
|
Diags = CompilerInstance::createDiagnostics(DiagOpts, 0, 0);
|
|
|
|
llvm::SmallVector<ASTUnit::RemappedFile, 4> RemappedFiles;
|
|
for (unsigned I = 0; I != num_unsaved_files; ++I) {
|
|
llvm::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::SmallVector<const char *, 16> 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.
|
|
if (source_filename)
|
|
Args.push_back(source_filename);
|
|
|
|
// 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);
|
|
|
|
// Do we need the detailed preprocessing record?
|
|
if (options & CXTranslationUnit_DetailedPreprocessingRecord) {
|
|
Args.push_back("-Xclang");
|
|
Args.push_back("-detailed-preprocessing-record");
|
|
}
|
|
|
|
unsigned NumErrors = Diags->getNumErrors();
|
|
llvm::OwningPtr<ASTUnit> Unit(
|
|
ASTUnit::LoadFromCommandLine(Args.data(), Args.data() + Args.size(),
|
|
Diags,
|
|
CXXIdx->getClangResourcesPath(),
|
|
CXXIdx->getOnlyLocalDecls(),
|
|
RemappedFiles.data(),
|
|
RemappedFiles.size(),
|
|
/*CaptureDiagnostics=*/true,
|
|
PrecompilePreamble,
|
|
CompleteTranslationUnit,
|
|
CacheCodeCompetionResults,
|
|
CXXPrecompilePreamble,
|
|
CXXChainedPCH));
|
|
|
|
if (NumErrors != Diags->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 = 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 (!CRC.RunSafely(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;
|
|
}
|
|
|
|
return PTUI.result;
|
|
}
|
|
|
|
unsigned clang_defaultSaveOptions(CXTranslationUnit TU) {
|
|
return CXSaveTranslationUnit_None;
|
|
}
|
|
|
|
int clang_saveTranslationUnit(CXTranslationUnit TU, const char *FileName,
|
|
unsigned options) {
|
|
if (!TU)
|
|
return 1;
|
|
|
|
return static_cast<ASTUnit *>(TU)->Save(FileName);
|
|
}
|
|
|
|
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)->isUnsafeToFree())
|
|
return;
|
|
|
|
delete static_cast<ASTUnit *>(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);
|
|
ASTUnit::ConcurrencyCheck Check(*CXXUnit);
|
|
|
|
llvm::SmallVector<ASTUnit::RemappedFile, 4> RemappedFiles;
|
|
for (unsigned I = 0; I != num_unsaved_files; ++I) {
|
|
llvm::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.data(), 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 (!CRC.RunSafely(clang_reparseTranslationUnit_Impl, &RTUI)) {
|
|
fprintf(stderr, "libclang: crash detected during reparsing\n");
|
|
static_cast<ASTUnit *>(TU)->setUnsafeToFree(true);
|
|
return 1;
|
|
}
|
|
|
|
|
|
return RTUI.result;
|
|
}
|
|
|
|
|
|
CXString clang_getTranslationUnitSpelling(CXTranslationUnit CTUnit) {
|
|
if (!CTUnit)
|
|
return createCXString("");
|
|
|
|
ASTUnit *CXXUnit = static_cast<ASTUnit *>(CTUnit);
|
|
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();
|
|
|
|
ASTUnit *CXXUnit = static_cast<ASTUnit *>(tu);
|
|
SourceLocation SLoc
|
|
= CXXUnit->getSourceManager().getLocation(
|
|
static_cast<const FileEntry *>(file),
|
|
line, column);
|
|
if (SLoc.isInvalid()) return clang_getNullLocation();
|
|
|
|
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);
|
|
SourceLocation Start
|
|
= CXXUnit->getSourceManager().getLocation(
|
|
static_cast<const FileEntry *>(file),
|
|
1, 1);
|
|
if (Start.isInvalid()) return clang_getNullLocation();
|
|
|
|
SourceLocation SLoc = Start.getFileLocWithOffset(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;
|
|
}
|
|
|
|
void clang_getInstantiationLocation(CXSourceLocation location,
|
|
CXFile *file,
|
|
unsigned *line,
|
|
unsigned *column,
|
|
unsigned *offset) {
|
|
SourceLocation Loc = SourceLocation::getFromRawEncoding(location.int_data);
|
|
|
|
if (!location.ptr_data[0] || Loc.isInvalid()) {
|
|
if (file)
|
|
*file = 0;
|
|
if (line)
|
|
*line = 0;
|
|
if (column)
|
|
*column = 0;
|
|
if (offset)
|
|
*offset = 0;
|
|
return;
|
|
}
|
|
|
|
const SourceManager &SM =
|
|
*static_cast<const SourceManager*>(location.ptr_data[0]);
|
|
SourceLocation InstLoc = SM.getInstantiationLoc(Loc);
|
|
|
|
if (file)
|
|
*file = (void *)SM.getFileEntryForID(SM.getFileID(InstLoc));
|
|
if (line)
|
|
*line = SM.getInstantiationLineNumber(InstLoc);
|
|
if (column)
|
|
*column = SM.getInstantiationColumnNumber(InstLoc);
|
|
if (offset)
|
|
*offset = SM.getDecomposedLoc(InstLoc).second;
|
|
}
|
|
|
|
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(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);
|
|
|
|
FileManager &FMgr = CXXUnit->getFileManager();
|
|
const FileEntry *File = FMgr.getFile(file_name, file_name+strlen(file_name));
|
|
return const_cast<FileEntry *>(File);
|
|
}
|
|
|
|
} // end: extern "C"
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// CXCursor Operations.
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
static Decl *getDeclFromExpr(Stmt *E) {
|
|
if (CastExpr *CE = dyn_cast<CastExpr>(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->getProperty();
|
|
|
|
if (CallExpr *CE = dyn_cast<CallExpr>(E))
|
|
return getDeclFromExpr(CE->getCallee());
|
|
if (ObjCMessageExpr *OME = dyn_cast<ObjCMessageExpr>(E))
|
|
return OME->getMethodDecl();
|
|
|
|
if (ObjCProtocolExpr *PE = dyn_cast<ObjCProtocolExpr>(E))
|
|
return PE->getProtocol();
|
|
|
|
return 0;
|
|
}
|
|
|
|
static SourceLocation getLocationFromExpr(Expr *E) {
|
|
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();
|
|
return E->getLocStart();
|
|
}
|
|
|
|
extern "C" {
|
|
|
|
unsigned clang_visitChildren(CXCursor parent,
|
|
CXCursorVisitor visitor,
|
|
CXClientData client_data) {
|
|
ASTUnit *CXXUnit = getCursorASTUnit(parent);
|
|
|
|
CursorVisitor CursorVis(CXXUnit, visitor, client_data,
|
|
CXXUnit->getMaxPCHLevel());
|
|
return CursorVis.VisitChildren(parent);
|
|
}
|
|
|
|
static CXString getDeclSpelling(Decl *D) {
|
|
NamedDecl *ND = dyn_cast_or_null<NamedDecl>(D);
|
|
if (!ND)
|
|
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(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->getID()->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->getID()->getName());
|
|
|
|
return createCXString("");
|
|
}
|
|
|
|
if (C.kind == CXCursor_MacroInstantiation)
|
|
return createCXString(getCursorMacroInstantiation(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().getFlatArgumentList(),
|
|
ClassSpec->getTemplateArgs().flat_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_PreprocessingDirective:
|
|
return createCXString("preprocessing directive");
|
|
case CXCursor_MacroDefinition:
|
|
return createCXString("macro definition");
|
|
case CXCursor_MacroInstantiation:
|
|
return createCXString("macro instantiation");
|
|
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");
|
|
}
|
|
|
|
llvm_unreachable("Unhandled CXCursorKind");
|
|
return createCXString(NULL);
|
|
}
|
|
|
|
enum CXChildVisitResult GetCursorVisitor(CXCursor cursor,
|
|
CXCursor parent,
|
|
CXClientData client_data) {
|
|
CXCursor *BestCursor = static_cast<CXCursor *>(client_data);
|
|
*BestCursor = cursor;
|
|
return CXChildVisit_Recurse;
|
|
}
|
|
|
|
CXCursor clang_getCursor(CXTranslationUnit TU, CXSourceLocation Loc) {
|
|
if (!TU)
|
|
return clang_getNullCursor();
|
|
|
|
ASTUnit *CXXUnit = static_cast<ASTUnit *>(TU);
|
|
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();
|
|
|
|
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.
|
|
CXCursor Parent = clang_getTranslationUnitCursor(CXXUnit);
|
|
CursorVisitor CursorVis(CXXUnit, GetCursorVisitor, &Result,
|
|
Decl::MaxPCHLevel, SourceLocation(SLoc));
|
|
CursorVis.VisitChildren(Parent);
|
|
}
|
|
return Result;
|
|
}
|
|
|
|
CXCursor clang_getNullCursor(void) {
|
|
return MakeCXCursorInvalid(CXCursor_InvalidFile);
|
|
}
|
|
|
|
unsigned clang_equalCursors(CXCursor X, CXCursor Y) {
|
|
return X == Y;
|
|
}
|
|
|
|
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_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_MacroInstantiation) {
|
|
SourceLocation L
|
|
= cxcursor::getCursorMacroInstantiation(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();
|
|
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 (C.kind == CXCursor_PreprocessingDirective)
|
|
return cxcursor::getCursorPreprocessingDirective(C);
|
|
|
|
if (C.kind == CXCursor_MacroInstantiation)
|
|
return cxcursor::getCursorMacroInstantiation(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)
|
|
return getCursorDecl(C)->getSourceRange();
|
|
|
|
return SourceRange();}
|
|
|
|
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();
|
|
|
|
ASTUnit *CXXUnit = getCursorASTUnit(C);
|
|
if (clang_isDeclaration(C.kind)) {
|
|
Decl *D = getCursorDecl(C);
|
|
if (UsingDecl *Using = dyn_cast<UsingDecl>(D))
|
|
return MakeCursorOverloadedDeclRef(Using, D->getLocation(), CXXUnit);
|
|
if (ObjCClassDecl *Classes = dyn_cast<ObjCClassDecl>(D))
|
|
return MakeCursorOverloadedDeclRef(Classes, D->getLocation(), CXXUnit);
|
|
if (ObjCForwardProtocolDecl *Protocols
|
|
= dyn_cast<ObjCForwardProtocolDecl>(D))
|
|
return MakeCursorOverloadedDeclRef(Protocols, D->getLocation(), CXXUnit);
|
|
|
|
return C;
|
|
}
|
|
|
|
if (clang_isExpression(C.kind)) {
|
|
Expr *E = getCursorExpr(C);
|
|
Decl *D = getDeclFromExpr(E);
|
|
if (D)
|
|
return MakeCXCursor(D, CXXUnit);
|
|
|
|
if (OverloadExpr *Ovl = dyn_cast_or_null<OverloadExpr>(E))
|
|
return MakeCursorOverloadedDeclRef(Ovl, CXXUnit);
|
|
|
|
return clang_getNullCursor();
|
|
}
|
|
|
|
if (clang_isStatement(C.kind)) {
|
|
Stmt *S = getCursorStmt(C);
|
|
if (GotoStmt *Goto = dyn_cast_or_null<GotoStmt>(S))
|
|
return MakeCXCursor(Goto->getLabel(), getCursorDecl(C),
|
|
getCursorASTUnit(C));
|
|
|
|
return clang_getNullCursor();
|
|
}
|
|
|
|
if (C.kind == CXCursor_MacroInstantiation) {
|
|
if (MacroDefinition *Def = getCursorMacroInstantiation(C)->getDefinition())
|
|
return MakeMacroDefinitionCursor(Def, CXXUnit);
|
|
}
|
|
|
|
if (!clang_isReference(C.kind))
|
|
return clang_getNullCursor();
|
|
|
|
switch (C.kind) {
|
|
case CXCursor_ObjCSuperClassRef:
|
|
return MakeCXCursor(getCursorObjCSuperClassRef(C).first, CXXUnit);
|
|
|
|
case CXCursor_ObjCProtocolRef: {
|
|
return MakeCXCursor(getCursorObjCProtocolRef(C).first, CXXUnit);
|
|
|
|
case CXCursor_ObjCClassRef:
|
|
return MakeCXCursor(getCursorObjCClassRef(C).first, CXXUnit);
|
|
|
|
case CXCursor_TypeRef:
|
|
return MakeCXCursor(getCursorTypeRef(C).first, CXXUnit);
|
|
|
|
case CXCursor_TemplateRef:
|
|
return MakeCXCursor(getCursorTemplateRef(C).first, CXXUnit);
|
|
|
|
case CXCursor_NamespaceRef:
|
|
return MakeCXCursor(getCursorNamespaceRef(C).first, CXXUnit);
|
|
|
|
case CXCursor_MemberRef:
|
|
return MakeCXCursor(getCursorMemberRef(C).first, CXXUnit);
|
|
|
|
case CXCursor_CXXBaseSpecifier: {
|
|
CXXBaseSpecifier *B = cxcursor::getCursorCXXBaseSpecifier(C);
|
|
return clang_getTypeDeclaration(cxtype::MakeCXType(B->getType(),
|
|
CXXUnit));
|
|
}
|
|
|
|
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,
|
|
CXXUnit->getASTContext().getTranslationUnitDecl(),
|
|
CXXUnit);
|
|
|
|
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();
|
|
|
|
ASTUnit *CXXUnit = getCursorASTUnit(C);
|
|
|
|
bool WasReference = false;
|
|
if (clang_isReference(C.kind) || clang_isExpression(C.kind)) {
|
|
C = clang_getCursorReferenced(C);
|
|
WasReference = true;
|
|
}
|
|
|
|
if (C.kind == CXCursor_MacroInstantiation)
|
|
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::TemplateTypeParm:
|
|
case Decl::EnumConstant:
|
|
case Decl::Field:
|
|
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:
|
|
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(),
|
|
CXXUnit);
|
|
|
|
case Decl::NamespaceAlias:
|
|
return MakeCXCursor(cast<NamespaceAliasDecl>(D)->getNamespace(), CXXUnit);
|
|
|
|
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, CXXUnit);
|
|
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), CXXUnit);
|
|
return clang_getNullCursor();
|
|
}
|
|
|
|
case Decl::Var: {
|
|
// Ask the variable if it has a definition.
|
|
if (VarDecl *Def = cast<VarDecl>(D)->getDefinition())
|
|
return MakeCXCursor(Def, CXXUnit);
|
|
return clang_getNullCursor();
|
|
}
|
|
|
|
case Decl::FunctionTemplate: {
|
|
const FunctionDecl *Def = 0;
|
|
if (cast<FunctionTemplateDecl>(D)->getTemplatedDecl()->getBody(Def))
|
|
return MakeCXCursor(Def->getDescribedFunctionTemplate(), CXXUnit);
|
|
return clang_getNullCursor();
|
|
}
|
|
|
|
case Decl::ClassTemplate: {
|
|
if (RecordDecl *Def = cast<ClassTemplateDecl>(D)->getTemplatedDecl()
|
|
->getDefinition())
|
|
return MakeCXCursor(cast<CXXRecordDecl>(Def)->getDescribedClassTemplate(),
|
|
CXXUnit);
|
|
return clang_getNullCursor();
|
|
}
|
|
|
|
case Decl::Using:
|
|
return MakeCursorOverloadedDeclRef(cast<UsingDecl>(D),
|
|
D->getLocation(), CXXUnit);
|
|
|
|
case Decl::UsingShadow:
|
|
return clang_getCursorDefinition(
|
|
MakeCXCursor(cast<UsingShadowDecl>(D)->getTargetDecl(),
|
|
CXXUnit));
|
|
|
|
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, CXXUnit);
|
|
|
|
return clang_getNullCursor();
|
|
}
|
|
|
|
case Decl::ObjCCategory:
|
|
if (ObjCCategoryImplDecl *Impl
|
|
= cast<ObjCCategoryDecl>(D)->getImplementation())
|
|
return MakeCXCursor(Impl, CXXUnit);
|
|
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, CXXUnit);
|
|
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, CXXUnit);
|
|
|
|
return clang_getNullCursor();
|
|
|
|
case Decl::ObjCForwardProtocol:
|
|
return MakeCursorOverloadedDeclRef(cast<ObjCForwardProtocolDecl>(D),
|
|
D->getLocation(), CXXUnit);
|
|
|
|
case Decl::ObjCClass:
|
|
return MakeCursorOverloadedDeclRef(cast<ObjCClassDecl>(D), D->getLocation(),
|
|
CXXUnit);
|
|
|
|
case Decl::Friend:
|
|
if (NamedDecl *Friend = cast<FriendDecl>(D)->getFriendDecl())
|
|
return clang_getCursorDefinition(MakeCXCursor(Friend, CXXUnit));
|
|
return clang_getNullCursor();
|
|
|
|
case Decl::FriendTemplate:
|
|
if (NamedDecl *Friend = cast<FriendTemplateDecl>(D)->getFriendDecl())
|
|
return clang_getCursorDefinition(MakeCXCursor(Friend, CXXUnit));
|
|
return clang_getNullCursor();
|
|
}
|
|
|
|
return clang_getNullCursor();
|
|
}
|
|
|
|
unsigned clang_isCursorDefinition(CXCursor C) {
|
|
if (!clang_isDeclaration(C.kind))
|
|
return 0;
|
|
|
|
return clang_getCursorDefinition(C) == 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->getNumShadowDecls();
|
|
if (ObjCClassDecl *Classes = dyn_cast<ObjCClassDecl>(D))
|
|
return Classes->size();
|
|
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();
|
|
|
|
ASTUnit *Unit = getCursorASTUnit(cursor);
|
|
OverloadedDeclRefStorage Storage = getCursorOverloadedDeclRef(cursor).first;
|
|
if (OverloadExpr *E = Storage.dyn_cast<OverloadExpr *>())
|
|
return MakeCXCursor(E->decls_begin()[index], Unit);
|
|
|
|
if (OverloadedTemplateStorage *S
|
|
= Storage.dyn_cast<OverloadedTemplateStorage*>())
|
|
return MakeCXCursor(S->begin()[index], Unit);
|
|
|
|
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(), Unit);
|
|
}
|
|
|
|
if (ObjCClassDecl *Classes = dyn_cast<ObjCClassDecl>(D))
|
|
return MakeCXCursor(Classes->begin()[index].getInterface(), Unit);
|
|
|
|
if (ObjCForwardProtocolDecl *Protocols = dyn_cast<ObjCForwardProtocolDecl>(D))
|
|
return MakeCXCursor(Protocols->protocol_begin()[index], Unit);
|
|
|
|
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());
|
|
}
|
|
|
|
void clang_enableStackTraces(void) {
|
|
llvm::sys::PrintStackTraceOnErrorSignal();
|
|
}
|
|
|
|
} // 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(llvm::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);
|
|
if (!CXXUnit)
|
|
return createCXString("");
|
|
|
|
SourceLocation Loc = SourceLocation::getFromRawEncoding(CXTok.int_data[1]);
|
|
std::pair<FileID, unsigned> LocInfo
|
|
= CXXUnit->getSourceManager().getDecomposedLoc(Loc);
|
|
bool Invalid = false;
|
|
llvm::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);
|
|
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);
|
|
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);
|
|
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;
|
|
llvm::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;
|
|
llvm::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::identifier)) {
|
|
// Lookup the identifier to determine whether we have a keyword.
|
|
std::pair<FileID, unsigned> LocInfo
|
|
= SourceMgr.getDecomposedLoc(Tok.getLocation());
|
|
bool Invalid = false;
|
|
llvm::StringRef Buf
|
|
= CXXUnit->getSourceManager().getBufferData(LocInfo.first, &Invalid);
|
|
if (Invalid)
|
|
return;
|
|
|
|
const char *StartPos = Buf.data() + LocInfo.second;
|
|
IdentifierInfo *II
|
|
= CXXUnit->getPreprocessor().LookUpIdentifierInfo(Tok, StartPos);
|
|
|
|
if ((II->getObjCKeywordID() != tok::objc_not_keyword) && previousWasAt) {
|
|
CXTok.int_data[0] = CXToken_Keyword;
|
|
}
|
|
else {
|
|
CXTok.int_data[0] = II->getTokenID() == 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 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]);
|
|
}
|
|
|
|
public:
|
|
AnnotateTokensWorker(AnnotateTokensData &annotated,
|
|
CXToken *tokens, CXCursor *cursors, unsigned numTokens,
|
|
ASTUnit *CXXUnit, SourceRange RegionOfInterest)
|
|
: Annotated(annotated), Tokens(tokens), Cursors(cursors),
|
|
NumTokens(numTokens), TokIdx(0), PreprocessingTokIdx(0),
|
|
AnnotateVis(CXXUnit, AnnotateTokensVisitor, this,
|
|
Decl::MaxPCHLevel, RegionOfInterest),
|
|
SrcMgr(CXXUnit->getSourceManager()) {}
|
|
|
|
void VisitChildren(CXCursor C) { AnnotateVis.VisitChildren(C); }
|
|
enum CXChildVisitResult Visit(CXCursor cursor, CXCursor parent);
|
|
void AnnotateTokens(CXCursor parent);
|
|
};
|
|
}
|
|
|
|
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;
|
|
}
|
|
}
|
|
|
|
enum CXChildVisitResult
|
|
AnnotateTokensWorker::Visit(CXCursor cursor, CXCursor parent) {
|
|
CXSourceLocation Loc = clang_getCursorLocation(cursor);
|
|
SourceRange cursorRange = getRawCursorExtent(cursor);
|
|
|
|
if (clang_isPreprocessing(cursor.kind)) {
|
|
// For macro instantiations, just note where the beginning of the macro
|
|
// instantiation occurs.
|
|
if (cursor.kind == CXCursor_MacroInstantiation) {
|
|
Annotated[Loc.int_data] = cursor;
|
|
return CXChildVisit_Recurse;
|
|
}
|
|
|
|
if (cursorRange.isInvalid())
|
|
return CXChildVisit_Continue;
|
|
|
|
// 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:
|
|
assert(0 && "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);
|
|
// Don't visit synthesized ObjC methods, since they have no syntatic
|
|
// representation in the source.
|
|
if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D)) {
|
|
if (MD->isSynthesized())
|
|
return CXChildVisit_Continue;
|
|
}
|
|
if (const DeclaratorDecl *DD = dyn_cast<DeclaratorDecl>(D)) {
|
|
if (TypeSourceInfo *TI = DD->getTypeSourceInfo()) {
|
|
TypeLoc TL = TI->getTypeLoc();
|
|
SourceLocation TLoc = TL.getSourceRange().getBegin();
|
|
if (TLoc.isValid() &&
|
|
SrcMgr.isBeforeInTranslationUnit(TLoc, L))
|
|
cursorRange.setBegin(TLoc);
|
|
}
|
|
}
|
|
}
|
|
|
|
// 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;
|
|
|
|
while (MoreTokens()) {
|
|
const unsigned I = NextToken();
|
|
SourceLocation TokLoc = GetTokenLoc(I);
|
|
switch (LocationCompare(SrcMgr, TokLoc, cursorRange)) {
|
|
case RangeBefore:
|
|
Cursors[I] = updateC;
|
|
AdvanceToken();
|
|
continue;
|
|
case RangeAfter:
|
|
case RangeOverlap:
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
|
|
// Visit children to get their cursor information.
|
|
const unsigned BeforeChildren = NextToken();
|
|
VisitChildren(cursor);
|
|
const unsigned AfterChildren = NextToken();
|
|
|
|
// Adjust 'Last' to the last token within the extent of the cursor.
|
|
while (MoreTokens()) {
|
|
const unsigned I = NextToken();
|
|
SourceLocation TokLoc = GetTokenLoc(I);
|
|
switch (LocationCompare(SrcMgr, TokLoc, cursorRange)) {
|
|
case RangeBefore:
|
|
assert(0 && "Infeasible");
|
|
case RangeAfter:
|
|
break;
|
|
case RangeOverlap:
|
|
Cursors[I] = updateC;
|
|
AdvanceToken();
|
|
continue;
|
|
}
|
|
break;
|
|
}
|
|
const unsigned Last = NextToken();
|
|
|
|
// Scan the tokens that are at the beginning of the cursor, but are not
|
|
// capture by the child cursors.
|
|
|
|
// For AST elements within macros, rely on a post-annotate pass to
|
|
// to correctly annotate the tokens with cursors. Otherwise we can
|
|
// get confusing results of having tokens that map to cursors that really
|
|
// are expanded by an instantiation.
|
|
if (L.isMacroID())
|
|
cursor = clang_getNullCursor();
|
|
|
|
for (unsigned I = BeforeChildren; I != AfterChildren; ++I) {
|
|
if (!clang_isInvalid(clang_getCursorKind(Cursors[I])))
|
|
break;
|
|
|
|
Cursors[I] = cursor;
|
|
}
|
|
// Scan the tokens that are at the end of the cursor, but are not captured
|
|
// but the child cursors.
|
|
for (unsigned I = AfterChildren; I != Last; ++I)
|
|
Cursors[I] = cursor;
|
|
|
|
TokIdx = Last;
|
|
return CXChildVisit_Continue;
|
|
}
|
|
|
|
static enum CXChildVisitResult AnnotateTokensVisitor(CXCursor cursor,
|
|
CXCursor parent,
|
|
CXClientData client_data) {
|
|
return static_cast<AnnotateTokensWorker*>(client_data)->Visit(cursor, parent);
|
|
}
|
|
|
|
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);
|
|
if (!CXXUnit)
|
|
return;
|
|
|
|
ASTUnit::ConcurrencyCheck Check(*CXXUnit);
|
|
|
|
// 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());
|
|
|
|
llvm::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.
|
|
std::vector<SourceLocation> 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()),
|
|
CXXUnit);
|
|
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;
|
|
}
|
|
}
|
|
|
|
// Annotate all of the source locations in the region of interest that map to
|
|
// a specific cursor.
|
|
AnnotateTokensWorker W(Annotated, Tokens, Cursors, NumTokens,
|
|
CXXUnit, RegionOfInterest);
|
|
W.AnnotateTokens(clang_getTranslationUnitCursor(CXXUnit));
|
|
}
|
|
} // 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 (D->hasAttr<UnavailableAttr>() ||
|
|
(isa<FunctionDecl>(D) && cast<FunctionDecl>(D)->isDeleted()))
|
|
return CXAvailability_Available;
|
|
|
|
if (D->hasAttr<DeprecatedAttr>())
|
|
return CXAvailability_Deprecated;
|
|
}
|
|
|
|
return CXAvailability_Available;
|
|
}
|
|
|
|
CXLanguageKind clang_getCursorLanguage(CXCursor cursor) {
|
|
if (clang_isDeclaration(cursor.kind))
|
|
return getDeclLanguage(cxcursor::getCursorDecl(cursor));
|
|
|
|
return CXLanguage_Invalid;
|
|
}
|
|
|
|
CXCursor clang_getCursorSemanticParent(CXCursor cursor) {
|
|
if (clang_isDeclaration(cursor.kind)) {
|
|
if (Decl *D = getCursorDecl(cursor)) {
|
|
DeclContext *DC = D->getDeclContext();
|
|
return MakeCXCursor(cast<Decl>(DC), getCursorASTUnit(cursor));
|
|
}
|
|
}
|
|
|
|
if (clang_isStatement(cursor.kind) || clang_isExpression(cursor.kind)) {
|
|
if (Decl *D = getCursorDecl(cursor))
|
|
return MakeCXCursor(D, getCursorASTUnit(cursor));
|
|
}
|
|
|
|
return clang_getNullCursor();
|
|
}
|
|
|
|
CXCursor clang_getCursorLexicalParent(CXCursor cursor) {
|
|
if (clang_isDeclaration(cursor.kind)) {
|
|
if (Decl *D = getCursorDecl(cursor)) {
|
|
DeclContext *DC = D->getLexicalDeclContext();
|
|
return MakeCXCursor(cast<Decl>(DC), getCursorASTUnit(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,
|
|
llvm::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.
|
|
ASTUnit *CXXUnit = getCursorASTUnit(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), CXXUnit);
|
|
return;
|
|
}
|
|
|
|
ObjCMethodDecl *Method = dyn_cast<ObjCMethodDecl>(D);
|
|
if (!Method)
|
|
return;
|
|
|
|
// Handle Objective-C methods.
|
|
llvm::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], CXXUnit);
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
} // end: extern "C"
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Attribute introspection.
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
extern "C" {
|
|
CXType clang_getIBOutletCollectionType(CXCursor C) {
|
|
if (C.kind != CXCursor_IBOutletCollectionAttr)
|
|
return cxtype::MakeCXType(QualType(), cxcursor::getCursorASTUnit(C));
|
|
|
|
IBOutletCollectionAttr *A =
|
|
cast<IBOutletCollectionAttr>(cxcursor::getCursorAttr(C));
|
|
|
|
return cxtype::MakeCXType(A->getInterface(), cxcursor::getCursorASTUnit(C));
|
|
}
|
|
} // end: extern "C"
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// CXString Operations.
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
extern "C" {
|
|
const char *clang_getCString(CXString string) {
|
|
return string.Spelling;
|
|
}
|
|
|
|
void clang_disposeString(CXString string) {
|
|
if (string.MustFreeString && string.Spelling)
|
|
free((void*)string.Spelling);
|
|
}
|
|
|
|
} // end: extern "C"
|
|
|
|
namespace clang { namespace cxstring {
|
|
CXString createCXString(const char *String, bool DupString){
|
|
CXString Str;
|
|
if (DupString) {
|
|
Str.Spelling = strdup(String);
|
|
Str.MustFreeString = 1;
|
|
} else {
|
|
Str.Spelling = String;
|
|
Str.MustFreeString = 0;
|
|
}
|
|
return Str;
|
|
}
|
|
|
|
CXString createCXString(llvm::StringRef String, bool DupString) {
|
|
CXString Result;
|
|
if (DupString || (!String.empty() && String.data()[String.size()] != 0)) {
|
|
char *Spelling = (char *)malloc(String.size() + 1);
|
|
memmove(Spelling, String.data(), String.size());
|
|
Spelling[String.size()] = 0;
|
|
Result.Spelling = Spelling;
|
|
Result.MustFreeString = 1;
|
|
} else {
|
|
Result.Spelling = String.data();
|
|
Result.MustFreeString = 0;
|
|
}
|
|
return Result;
|
|
}
|
|
}}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Misc. utility functions.
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
extern "C" {
|
|
|
|
CXString clang_getClangVersion() {
|
|
return createCXString(getClangFullVersion());
|
|
}
|
|
|
|
} // end: extern "C"
|