llvm-project/clang/lib/Index/Program.cpp

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2009-07-13 06:33:12 +08:00
//===--- Program.cpp - Entity originator and misc -------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Storage for Entities and utility functions
//
//===----------------------------------------------------------------------===//
#include "clang/Index/Program.h"
#include "ProgramImpl.h"
#include "clang/Index/EntityHandler.h"
#include "clang/Index/TranslationUnit.h"
#include "clang/AST/DeclBase.h"
#include "clang/AST/ASTContext.h"
#include "llvm/Support/raw_ostream.h"
using namespace clang;
using namespace idx;
// Out-of-line to give the virtual tables a home.
EntityHandler::~EntityHandler() { }
TranslationUnit::~TranslationUnit() { }
Program::Program() : Impl(new ProgramImpl()) { }
Program::~Program() {
delete static_cast<ProgramImpl *>(Impl);
}
static void FindEntitiesInDC(DeclContext *DC, Program &Prog, EntityHandler *Handler) {
for (DeclContext::decl_iterator
I = DC->decls_begin(), E = DC->decls_end(); I != E; ++I) {
Entity *Ent = Entity::get(*I, Prog);
if (Ent)
Handler->HandleEntity(Ent);
if (DeclContext *SubDC = dyn_cast<DeclContext>(*I))
FindEntitiesInDC(SubDC, Prog, Handler);
}
}
/// \brief Traverses the AST and passes all the entities to the Handler.
void Program::FindEntities(ASTContext &Ctx, EntityHandler *Handler) {
FindEntitiesInDC(Ctx.getTranslationUnitDecl(), *this, Handler);
}