1//===--- ModuleBuilder.cpp - Emit LLVM Code from ASTs ---------------------===//
2//
3// The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This builds an AST and converts it to LLVM Code.
11//
12//===----------------------------------------------------------------------===//
13
14#include "clang/CodeGen/ModuleBuilder.h"
15#include "CodeGenModule.h"
16#include "clang/Frontend/CompileOptions.h"
17#include "clang/AST/ASTContext.h"
18#include "clang/AST/DeclObjC.h"
19#include "clang/AST/Expr.h"
20#include "clang/Basic/Diagnostic.h"
21#include "clang/Basic/TargetInfo.h"
| 1//===--- ModuleBuilder.cpp - Emit LLVM Code from ASTs ---------------------===//
2//
3// The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This builds an AST and converts it to LLVM Code.
11//
12//===----------------------------------------------------------------------===//
13
14#include "clang/CodeGen/ModuleBuilder.h"
15#include "CodeGenModule.h"
16#include "clang/Frontend/CompileOptions.h"
17#include "clang/AST/ASTContext.h"
18#include "clang/AST/DeclObjC.h"
19#include "clang/AST/Expr.h"
20#include "clang/Basic/Diagnostic.h"
21#include "clang/Basic/TargetInfo.h"
|
| 22#include "llvm/LLVMContext.h"
|
22#include "llvm/Module.h"
23#include "llvm/Target/TargetData.h"
24#include "llvm/Support/Compiler.h"
25#include "llvm/ADT/OwningPtr.h"
26using namespace clang;
27
28
29namespace {
30 class VISIBILITY_HIDDEN CodeGeneratorImpl : public CodeGenerator {
31 Diagnostic &Diags;
32 llvm::OwningPtr<const llvm::TargetData> TD;
33 ASTContext *Ctx;
34 const CompileOptions CompileOpts; // Intentionally copied in.
35 protected:
36 llvm::OwningPtr<llvm::Module> M;
37 llvm::OwningPtr<CodeGen::CodeGenModule> Builder;
38 public:
39 CodeGeneratorImpl(Diagnostic &diags, const std::string& ModuleName,
| 23#include "llvm/Module.h"
24#include "llvm/Target/TargetData.h"
25#include "llvm/Support/Compiler.h"
26#include "llvm/ADT/OwningPtr.h"
27using namespace clang;
28
29
30namespace {
31 class VISIBILITY_HIDDEN CodeGeneratorImpl : public CodeGenerator {
32 Diagnostic &Diags;
33 llvm::OwningPtr<const llvm::TargetData> TD;
34 ASTContext *Ctx;
35 const CompileOptions CompileOpts; // Intentionally copied in.
36 protected:
37 llvm::OwningPtr<llvm::Module> M;
38 llvm::OwningPtr<CodeGen::CodeGenModule> Builder;
39 public:
40 CodeGeneratorImpl(Diagnostic &diags, const std::string& ModuleName,
|
40 const CompileOptions &CO)
41 : Diags(diags), CompileOpts(CO), M(new llvm::Module(ModuleName)) {}
| 41 const CompileOptions &CO, llvm::LLVMContext& C)
42 : Diags(diags), CompileOpts(CO), M(new llvm::Module(ModuleName, C)) {}
|
42
43 virtual ~CodeGeneratorImpl() {}
44
45 virtual llvm::Module* GetModule() {
46 return M.get();
47 }
48
49 virtual llvm::Module* ReleaseModule() {
50 return M.take();
51 }
52
53 virtual void Initialize(ASTContext &Context) {
54 Ctx = &Context;
55
56 M->setTargetTriple(Ctx->Target.getTargetTriple());
57 M->setDataLayout(Ctx->Target.getTargetDescription());
58 TD.reset(new llvm::TargetData(Ctx->Target.getTargetDescription()));
59 Builder.reset(new CodeGen::CodeGenModule(Context, CompileOpts,
60 *M, *TD, Diags));
61 }
62
63 virtual void HandleTopLevelDecl(DeclGroupRef DG) {
64 // Make sure to emit all elements of a Decl.
65 for (DeclGroupRef::iterator I = DG.begin(), E = DG.end(); I != E; ++I)
66 Builder->EmitTopLevelDecl(*I);
67 }
68
69 /// HandleTagDeclDefinition - This callback is invoked each time a TagDecl
70 /// to (e.g. struct, union, enum, class) is completed. This allows the
71 /// client hack on the type, which can occur at any point in the file
72 /// (because these can be defined in declspecs).
73 virtual void HandleTagDeclDefinition(TagDecl *D) {
74 Builder->UpdateCompletedType(D);
75 }
76
77 virtual void HandleTranslationUnit(ASTContext &Ctx) {
78 if (Diags.hasErrorOccurred()) {
79 M.reset();
80 return;
81 }
82
83 if (Builder)
84 Builder->Release();
85 };
86
87 virtual void CompleteTentativeDefinition(VarDecl *D) {
88 if (Diags.hasErrorOccurred())
89 return;
90
91 Builder->EmitTentativeDefinition(D);
92 }
93 };
94}
95
96CodeGenerator *clang::CreateLLVMCodeGen(Diagnostic &Diags,
97 const std::string& ModuleName,
| 43
44 virtual ~CodeGeneratorImpl() {}
45
46 virtual llvm::Module* GetModule() {
47 return M.get();
48 }
49
50 virtual llvm::Module* ReleaseModule() {
51 return M.take();
52 }
53
54 virtual void Initialize(ASTContext &Context) {
55 Ctx = &Context;
56
57 M->setTargetTriple(Ctx->Target.getTargetTriple());
58 M->setDataLayout(Ctx->Target.getTargetDescription());
59 TD.reset(new llvm::TargetData(Ctx->Target.getTargetDescription()));
60 Builder.reset(new CodeGen::CodeGenModule(Context, CompileOpts,
61 *M, *TD, Diags));
62 }
63
64 virtual void HandleTopLevelDecl(DeclGroupRef DG) {
65 // Make sure to emit all elements of a Decl.
66 for (DeclGroupRef::iterator I = DG.begin(), E = DG.end(); I != E; ++I)
67 Builder->EmitTopLevelDecl(*I);
68 }
69
70 /// HandleTagDeclDefinition - This callback is invoked each time a TagDecl
71 /// to (e.g. struct, union, enum, class) is completed. This allows the
72 /// client hack on the type, which can occur at any point in the file
73 /// (because these can be defined in declspecs).
74 virtual void HandleTagDeclDefinition(TagDecl *D) {
75 Builder->UpdateCompletedType(D);
76 }
77
78 virtual void HandleTranslationUnit(ASTContext &Ctx) {
79 if (Diags.hasErrorOccurred()) {
80 M.reset();
81 return;
82 }
83
84 if (Builder)
85 Builder->Release();
86 };
87
88 virtual void CompleteTentativeDefinition(VarDecl *D) {
89 if (Diags.hasErrorOccurred())
90 return;
91
92 Builder->EmitTentativeDefinition(D);
93 }
94 };
95}
96
97CodeGenerator *clang::CreateLLVMCodeGen(Diagnostic &Diags,
98 const std::string& ModuleName,
|
98 const CompileOptions &CO) {
99 return new CodeGeneratorImpl(Diags, ModuleName, CO);
| 99 const CompileOptions &CO,
100 llvm::LLVMContext& C) {
101 return new CodeGeneratorImpl(Diags, ModuleName, CO, C);
|
100}
| 102}
|