#include "clang/CodeGen/ModuleBuilder.h"
#include "CodeGenModule.h"
#include "clang/Frontend/CompileOptions.h"
#include "clang/AST/ASTContext.h"
#include "clang/AST/DeclObjC.h"
#include "clang/AST/Expr.h"
#include "clang/Basic/Diagnostic.h"
#include "clang/Basic/TargetInfo.h"
#include "llvm/Module.h"
#include "llvm/Target/TargetData.h"
#include "llvm/Support/Compiler.h"
#include "llvm/ADT/OwningPtr.h"
using namespace clang;
namespace {
class VISIBILITY_HIDDEN CodeGeneratorImpl : public CodeGenerator {
Diagnostic &Diags;
llvm::OwningPtr<const llvm::TargetData> TD;
ASTContext *Ctx;
const CompileOptions CompileOpts; protected:
llvm::OwningPtr<llvm::Module> M;
llvm::OwningPtr<CodeGen::CodeGenModule> Builder;
public:
CodeGeneratorImpl(Diagnostic &diags, const std::string& ModuleName,
const CompileOptions &CO)
: Diags(diags), CompileOpts(CO), M(new llvm::Module(ModuleName)) {}
virtual ~CodeGeneratorImpl() {}
virtual llvm::Module* GetModule() {
return M.get();
}
virtual llvm::Module* ReleaseModule() {
return M.take();
}
virtual void Initialize(ASTContext &Context) {
Ctx = &Context;
M->setTargetTriple(Ctx->Target.getTargetTriple());
M->setDataLayout(Ctx->Target.getTargetDescription());
TD.reset(new llvm::TargetData(Ctx->Target.getTargetDescription()));
Builder.reset(new CodeGen::CodeGenModule(Context, CompileOpts,
*M, *TD, Diags));
}
virtual void HandleTopLevelDecl(DeclGroupRef DG) {
for (DeclGroupRef::iterator I = DG.begin(), E = DG.end(); I != E; ++I)
Builder->EmitTopLevelDecl(*I);
}
virtual void HandleTagDeclDefinition(TagDecl *D) {
Builder->UpdateCompletedType(D);
}
virtual void HandleTranslationUnit(ASTContext &Ctx) {
if (Diags.hasErrorOccurred()) {
M.reset();
return;
}
if (Builder)
Builder->Release();
};
virtual void CompleteTentativeDefinition(VarDecl *D) {
if (Diags.hasErrorOccurred())
return;
Builder->EmitTentativeDefinition(D);
}
};
}
CodeGenerator *clang::CreateLLVMCodeGen(Diagnostic &Diags,
const std::string& ModuleName,
const CompileOptions &CO) {
return new CodeGeneratorImpl(Diags, ModuleName, CO);
}