forked from OSchip/llvm-project
85 lines
2.6 KiB
C++
85 lines
2.6 KiB
C++
//===- SelectorMap.cpp - Maps selectors to methods and messages -*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// SelectorMap creates a mapping from selectors to ObjC method declarations
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// and ObjC message expressions.
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//
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//===----------------------------------------------------------------------===//
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#include "clang/Index/SelectorMap.h"
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#include "ASTVisitor.h"
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using namespace clang;
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using namespace idx;
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namespace {
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class SelMapper : public ASTVisitor<SelMapper> {
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SelectorMap::SelMethMapTy &SelMethMap;
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SelectorMap::SelRefMapTy &SelRefMap;
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public:
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SelMapper(SelectorMap::SelMethMapTy &MethMap,
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SelectorMap::SelRefMapTy &RefMap)
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: SelMethMap(MethMap), SelRefMap(RefMap) { }
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void VisitObjCMethodDecl(ObjCMethodDecl *D);
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void VisitObjCMessageExpr(ObjCMessageExpr *Node);
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void VisitObjCSelectorExpr(ObjCSelectorExpr *Node);
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};
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} // anonymous namespace
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//===----------------------------------------------------------------------===//
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// SelMapper Implementation
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//===----------------------------------------------------------------------===//
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void SelMapper::VisitObjCMethodDecl(ObjCMethodDecl *D) {
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if (D->getCanonicalDecl() == D)
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SelMethMap.insert(std::make_pair(D->getSelector(), D));
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Base::VisitObjCMethodDecl(D);
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}
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void SelMapper::VisitObjCMessageExpr(ObjCMessageExpr *Node) {
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ASTLocation ASTLoc(CurrentDecl, Node);
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SelRefMap.insert(std::make_pair(Node->getSelector(), ASTLoc));
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}
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void SelMapper::VisitObjCSelectorExpr(ObjCSelectorExpr *Node) {
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ASTLocation ASTLoc(CurrentDecl, Node);
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SelRefMap.insert(std::make_pair(Node->getSelector(), ASTLoc));
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}
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//===----------------------------------------------------------------------===//
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// SelectorMap Implementation
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//===----------------------------------------------------------------------===//
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SelectorMap::SelectorMap(ASTContext &Ctx) {
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SelMapper(SelMethMap, SelRefMap).Visit(Ctx.getTranslationUnitDecl());
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}
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SelectorMap::method_iterator
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SelectorMap::methods_begin(Selector Sel) const {
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return method_iterator(SelMethMap.lower_bound(Sel));
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}
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SelectorMap::method_iterator
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SelectorMap::methods_end(Selector Sel) const {
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return method_iterator(SelMethMap.upper_bound(Sel));
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}
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SelectorMap::astlocation_iterator
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SelectorMap::refs_begin(Selector Sel) const {
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return astlocation_iterator(SelRefMap.lower_bound(Sel));
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}
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SelectorMap::astlocation_iterator
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SelectorMap::refs_end(Selector Sel) const {
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return astlocation_iterator(SelRefMap.upper_bound(Sel));
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}
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