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-rw-r--r--clang/tools/libclang/CIndex.cpp240
1 files changed, 1 insertions, 239 deletions
diff --git a/clang/tools/libclang/CIndex.cpp b/clang/tools/libclang/CIndex.cpp
index 8deb85c99c2..bf5607b5300 100644
--- a/clang/tools/libclang/CIndex.cpp
+++ b/clang/tools/libclang/CIndex.cpp
@@ -19,12 +19,11 @@
#include "CXType.h"
#include "CXSourceLocation.h"
#include "CIndexDiagnostic.h"
+#include "CursorVisitor.h"
#include "clang/Basic/Version.h"
-#include "clang/AST/DeclVisitor.h"
#include "clang/AST/StmtVisitor.h"
-#include "clang/AST/TypeLocVisitor.h"
#include "clang/Basic/Diagnostic.h"
#include "clang/Frontend/ASTUnit.h"
#include "clang/Frontend/CompilerInstance.h"
@@ -67,18 +66,6 @@ cxtu::CXTUOwner::~CXTUOwner() {
clang_disposeTranslationUnit(TU);
}
-/// \brief The result of comparing two source ranges.
-enum RangeComparisonResult {
- /// \brief Either the ranges overlap or one of the ranges is invalid.
- RangeOverlap,
-
- /// \brief The first range ends before the second range starts.
- RangeBefore,
-
- /// \brief The first range starts after the second range ends.
- RangeAfter
-};
-
/// \brief Compare two source ranges to determine their relative position in
/// the translation unit.
static RangeComparisonResult RangeCompare(SourceManager &SM,
@@ -139,231 +126,6 @@ CXSourceRange cxloc::translateSourceRange(const SourceManager &SM,
// Cursor visitor.
//===----------------------------------------------------------------------===//
-namespace {
-
-class VisitorJob {
-public:
- enum Kind { DeclVisitKind, StmtVisitKind, MemberExprPartsKind,
- TypeLocVisitKind, OverloadExprPartsKind,
- DeclRefExprPartsKind, LabelRefVisitKind,
- ExplicitTemplateArgsVisitKind,
- NestedNameSpecifierLocVisitKind,
- DeclarationNameInfoVisitKind,
- MemberRefVisitKind, SizeOfPackExprPartsKind };
-protected:
- void *data[3];
- CXCursor parent;
- Kind K;
- VisitorJob(CXCursor C, Kind k, void *d1, void *d2 = 0, void *d3 = 0)
- : parent(C), K(k) {
- data[0] = d1;
- data[1] = d2;
- data[2] = d3;
- }
-public:
- Kind getKind() const { return K; }
- const CXCursor &getParent() const { return parent; }
- static bool classof(VisitorJob *VJ) { return true; }
-};
-
-typedef SmallVector<VisitorJob, 10> VisitorWorkList;
-
-// Cursor visitor.
-class CursorVisitor : public DeclVisitor<CursorVisitor, bool>,
- public TypeLocVisitor<CursorVisitor, bool>
-{
- /// \brief The translation unit we are traversing.
- CXTranslationUnit TU;
- ASTUnit *AU;
-
- /// \brief The parent cursor whose children we are traversing.
- CXCursor Parent;
-
- /// \brief The declaration that serves at the parent of any statement or
- /// expression nodes.
- Decl *StmtParent;
-
- /// \brief The visitor function.
- CXCursorVisitor Visitor;
-
- /// \brief The opaque client data, to be passed along to the visitor.
- CXClientData ClientData;
-
- /// \brief Whether we should visit the preprocessing record entries last,
- /// after visiting other declarations.
- bool VisitPreprocessorLast;
-
- /// \brief Whether we should visit declarations or preprocessing record
- /// entries that are #included inside the \arg RegionOfInterest.
- bool VisitIncludedEntities;
-
- /// \brief When valid, a source range to which the cursor should restrict
- /// its search.
- SourceRange RegionOfInterest;
-
- // FIXME: Eventually remove. This part of a hack to support proper
- // iteration over all Decls contained lexically within an ObjC container.
- DeclContext::decl_iterator *DI_current;
- DeclContext::decl_iterator DE_current;
-
- // Cache of pre-allocated worklists for data-recursion walk of Stmts.
- SmallVector<VisitorWorkList*, 5> WorkListFreeList;
- SmallVector<VisitorWorkList*, 5> WorkListCache;
-
- using DeclVisitor<CursorVisitor, bool>::Visit;
- using TypeLocVisitor<CursorVisitor, bool>::Visit;
-
- /// \brief Determine whether this particular source range comes before, comes
- /// after, or overlaps the region of interest.
- ///
- /// \param R a half-open source range retrieved from the abstract syntax tree.
- RangeComparisonResult CompareRegionOfInterest(SourceRange R);
-
- void visitDeclsFromFileRegion(FileID File, unsigned Offset, unsigned Length);
-
- class SetParentRAII {
- CXCursor &Parent;
- Decl *&StmtParent;
- CXCursor OldParent;
-
- public:
- SetParentRAII(CXCursor &Parent, Decl *&StmtParent, CXCursor NewParent)
- : Parent(Parent), StmtParent(StmtParent), OldParent(Parent)
- {
- Parent = NewParent;
- if (clang_isDeclaration(Parent.kind))
- StmtParent = getCursorDecl(Parent);
- }
-
- ~SetParentRAII() {
- Parent = OldParent;
- if (clang_isDeclaration(Parent.kind))
- StmtParent = getCursorDecl(Parent);
- }
- };
-
-public:
- CursorVisitor(CXTranslationUnit TU, CXCursorVisitor Visitor,
- CXClientData ClientData,
- bool VisitPreprocessorLast,
- bool VisitIncludedPreprocessingEntries = false,
- SourceRange RegionOfInterest = SourceRange())
- : TU(TU), AU(static_cast<ASTUnit*>(TU->TUData)),
- Visitor(Visitor), ClientData(ClientData),
- VisitPreprocessorLast(VisitPreprocessorLast),
- VisitIncludedEntities(VisitIncludedPreprocessingEntries),
- RegionOfInterest(RegionOfInterest), DI_current(0)
- {
- Parent.kind = CXCursor_NoDeclFound;
- Parent.data[0] = 0;
- Parent.data[1] = 0;
- Parent.data[2] = 0;
- StmtParent = 0;
- }
-
- ~CursorVisitor() {
- // Free the pre-allocated worklists for data-recursion.
- for (SmallVectorImpl<VisitorWorkList*>::iterator
- I = WorkListCache.begin(), E = WorkListCache.end(); I != E; ++I) {
- delete *I;
- }
- }
-
- ASTUnit *getASTUnit() const { return static_cast<ASTUnit*>(TU->TUData); }
- CXTranslationUnit getTU() const { return TU; }
-
- bool Visit(CXCursor Cursor, bool CheckedRegionOfInterest = false);
-
- /// \brief Visit declarations and preprocessed entities for the file region
- /// designated by \see RegionOfInterest.
- void visitFileRegion();
-
- bool visitPreprocessedEntitiesInRegion();
-
- bool shouldVisitIncludedEntities() const {
- return VisitIncludedEntities;
- }
-
- template<typename InputIterator>
- bool visitPreprocessedEntities(InputIterator First, InputIterator Last,
- PreprocessingRecord &PPRec,
- FileID FID = FileID());
-
- bool VisitChildren(CXCursor Parent);
-
- // Declaration visitors
- bool VisitTypeAliasDecl(TypeAliasDecl *D);
- bool VisitAttributes(Decl *D);
- bool VisitBlockDecl(BlockDecl *B);
- bool VisitCXXRecordDecl(CXXRecordDecl *D);
- llvm::Optional<bool> shouldVisitCursor(CXCursor C);
- bool VisitDeclContext(DeclContext *DC);
- bool VisitTranslationUnitDecl(TranslationUnitDecl *D);
- bool VisitTypedefDecl(TypedefDecl *D);
- bool VisitTagDecl(TagDecl *D);
- bool VisitClassTemplateSpecializationDecl(ClassTemplateSpecializationDecl *D);
- bool VisitClassTemplatePartialSpecializationDecl(
- ClassTemplatePartialSpecializationDecl *D);
- bool VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D);
- bool VisitEnumConstantDecl(EnumConstantDecl *D);
- bool VisitDeclaratorDecl(DeclaratorDecl *DD);
- bool VisitFunctionDecl(FunctionDecl *ND);
- bool VisitFieldDecl(FieldDecl *D);
- bool VisitVarDecl(VarDecl *);
- bool VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl *D);
- bool VisitFunctionTemplateDecl(FunctionTemplateDecl *D);
- bool VisitClassTemplateDecl(ClassTemplateDecl *D);
- bool VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D);
- bool VisitObjCMethodDecl(ObjCMethodDecl *ND);
- bool VisitObjCContainerDecl(ObjCContainerDecl *D);
- bool VisitObjCCategoryDecl(ObjCCategoryDecl *ND);
- bool VisitObjCProtocolDecl(ObjCProtocolDecl *PID);
- bool VisitObjCPropertyDecl(ObjCPropertyDecl *PD);
- bool VisitObjCInterfaceDecl(ObjCInterfaceDecl *D);
- bool VisitObjCImplDecl(ObjCImplDecl *D);
- bool VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D);
- bool VisitObjCImplementationDecl(ObjCImplementationDecl *D);
- // FIXME: ObjCCompatibleAliasDecl requires aliased-class locations.
- bool VisitObjCForwardProtocolDecl(ObjCForwardProtocolDecl *D);
- bool VisitObjCClassDecl(ObjCClassDecl *D);
- bool VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *PD);
- bool VisitLinkageSpecDecl(LinkageSpecDecl *D);
- bool VisitNamespaceDecl(NamespaceDecl *D);
- bool VisitNamespaceAliasDecl(NamespaceAliasDecl *D);
- bool VisitUsingDirectiveDecl(UsingDirectiveDecl *D);
- bool VisitUsingDecl(UsingDecl *D);
- bool VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D);
- bool VisitUnresolvedUsingTypenameDecl(UnresolvedUsingTypenameDecl *D);
-
- // Name visitor
- bool VisitDeclarationNameInfo(DeclarationNameInfo Name);
- bool VisitNestedNameSpecifier(NestedNameSpecifier *NNS, SourceRange Range);
- bool VisitNestedNameSpecifierLoc(NestedNameSpecifierLoc NNS);
-
- // Template visitors
- bool VisitTemplateParameters(const TemplateParameterList *Params);
- bool VisitTemplateName(TemplateName Name, SourceLocation Loc);
- bool VisitTemplateArgumentLoc(const TemplateArgumentLoc &TAL);
-
- // Type visitors
-#define ABSTRACT_TYPELOC(CLASS, PARENT)
-#define TYPELOC(CLASS, PARENT) \
- bool Visit##CLASS##TypeLoc(CLASS##TypeLoc TyLoc);
-#include "clang/AST/TypeLocNodes.def"
-
- bool VisitTagTypeLoc(TagTypeLoc TL);
- bool VisitArrayTypeLoc(ArrayTypeLoc TL);
- bool VisitFunctionTypeLoc(FunctionTypeLoc TL, bool SkipResultType = false);
-
- // Data-recursive visitor functions.
- bool IsInRegionOfInterest(CXCursor C);
- bool RunVisitorWorkList(VisitorWorkList &WL);
- void EnqueueWorkList(VisitorWorkList &WL, Stmt *S);
- LLVM_ATTRIBUTE_NOINLINE bool Visit(Stmt *S);
-};
-
-} // end anonymous namespace
-
static SourceRange getRawCursorExtent(CXCursor C);
static SourceRange getFullCursorExtent(CXCursor C, SourceManager &SrcMgr);
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