1/*
2 * Copyright 2010-2012, The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *     http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef _FRAMEWORKS_COMPILE_SLANG_SLANG_RS_BACKEND_H_  // NOLINT
18#define _FRAMEWORKS_COMPILE_SLANG_SLANG_RS_BACKEND_H_
19
20#include "slang_backend.h"
21#include "slang_pragma_recorder.h"
22#include "slang_rs_check_ast.h"
23#include "slang_rs_object_ref_count.h"
24
25namespace llvm {
26  class NamedMDNode;
27}
28
29namespace clang {
30  class ASTConsumer;
31  class DiagnosticsEngine;
32  class TargetOptions;
33  class CodeGenerator;
34  class ASTContext;
35  class DeclGroupRef;
36  class FunctionDecl;
37}
38
39namespace slang {
40
41class RSContext;
42
43class RSBackend : public Backend {
44 private:
45  RSContext *mContext;
46
47  clang::SourceManager &mSourceMgr;
48
49  bool mAllowRSPrefix;
50
51  bool mIsFilterscript;
52
53  llvm::NamedMDNode *mExportVarMetadata;
54  llvm::NamedMDNode *mExportFuncMetadata;
55  llvm::NamedMDNode *mExportForEachNameMetadata;
56  llvm::NamedMDNode *mExportForEachSignatureMetadata;
57  llvm::NamedMDNode *mExportTypeMetadata;
58  llvm::NamedMDNode *mRSObjectSlotsMetadata;
59
60  RSObjectRefCount mRefCount;
61
62  RSCheckAST mASTChecker;
63
64  void AnnotateFunction(clang::FunctionDecl *FD);
65
66  void dumpExportVarInfo(llvm::Module *M);
67  void dumpExportFunctionInfo(llvm::Module *M);
68  void dumpExportForEachInfo(llvm::Module *M);
69  void dumpExportTypeInfo(llvm::Module *M);
70
71 protected:
72  virtual unsigned int getTargetAPI() const {
73    return mContext->getTargetAPI();
74  }
75
76  virtual bool HandleTopLevelDecl(clang::DeclGroupRef D);
77
78  virtual void HandleTranslationUnitPre(clang::ASTContext &C);
79
80  virtual void HandleTranslationUnitPost(llvm::Module *M);
81
82 public:
83  RSBackend(RSContext *Context,
84            clang::DiagnosticsEngine *DiagEngine,
85            const clang::CodeGenOptions &CodeGenOpts,
86            const clang::TargetOptions &TargetOpts,
87            PragmaList *Pragmas,
88            llvm::raw_ostream *OS,
89            Slang::OutputType OT,
90            clang::SourceManager &SourceMgr,
91            bool AllowRSPrefix,
92            bool IsFilterscript);
93
94  virtual ~RSBackend();
95};
96}  // namespace slang
97
98#endif  // _FRAMEWORKS_COMPILE_SLANG_SLANG_RS_BACKEND_H_  NOLINT
99