clang-1/lib/Index/SelectorMap.cpp

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2.6 KiB
C++

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