slang_rs_context.h revision 9e5b503349719144f63ccb7c62ee9c291a7d83b8 
1/*
2 * Copyright 2010, 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 _SLANG_COMPILER_RS_CONTEXT_H
18#define _SLANG_COMPILER_RS_CONTEXT_H
19
20#include <map>
21#include <list>
22#include <string>
23#include <cstdio>
24
25#include "llvm/ADT/StringSet.h"
26#include "llvm/ADT/StringMap.h"
27
28#include "clang/Lex/Preprocessor.h"
29
30namespace llvm {
31  class LLVMContext;
32  class TargetData;
33}   // namespace llvm
34
35namespace clang {
36  class VarDecl;
37  class ASTContext;
38  class TargetInfo;
39  class FunctionDecl;
40  class SourceManager;
41}   // namespace clang
42
43namespace slang {
44  class RSExportable;
45  class RSExportVar;
46  class RSExportFunc;
47  class RSExportType;
48
49class RSContext {
50  typedef llvm::StringSet<> NeedExportVarSet;
51  typedef llvm::StringSet<> NeedExportFuncSet;
52  typedef llvm::StringSet<> NeedExportTypeSet;
53
54 public:
55  typedef std::list<RSExportable*> ExportableList;
56  typedef std::list<RSExportVar*> ExportVarList;
57  typedef std::list<RSExportFunc*> ExportFuncList;
58  typedef llvm::StringMap<RSExportType*> ExportTypeMap;
59
60 private:
61  clang::Preprocessor &mPP;
62  clang::ASTContext &mCtx;
63  const clang::TargetInfo &mTarget;
64
65  llvm::TargetData *mTargetData;
66  llvm::LLVMContext &mLLVMContext;
67
68  ExportableList mExportables;
69
70  // Record the variables/types/elements annotated in #pragma to be exported
71  NeedExportVarSet mNeedExportVars;
72  NeedExportFuncSet mNeedExportFuncs;
73  NeedExportTypeSet mNeedExportTypes;
74  bool mExportAllNonStaticVars;
75  bool mExportAllNonStaticFuncs;
76
77  std::string *mLicenseNote;
78  std::string mReflectJavaPackageName;
79  std::string mReflectJavaPathName;
80
81  bool processExportVar(const clang::VarDecl *VD);
82  bool processExportFunc(const clang::FunctionDecl *FD);
83  bool processExportType(const llvm::StringRef &Name);
84
85  ExportVarList mExportVars;
86  ExportFuncList mExportFuncs;
87  ExportTypeMap mExportTypes;
88
89 public:
90  RSContext(clang::Preprocessor &PP,
91            clang::ASTContext &Ctx,
92            const clang::TargetInfo &Target);
93
94  inline clang::Preprocessor &getPreprocessor() const { return mPP; }
95  inline clang::ASTContext &getASTContext() const { return mCtx; }
96  inline const llvm::TargetData *getTargetData() const { return mTargetData; }
97  inline llvm::LLVMContext &getLLVMContext() const { return mLLVMContext; }
98  inline const clang::SourceManager *getSourceManager() const {
99    return &mPP.getSourceManager();
100  }
101
102  inline void setLicenseNote(const std::string &S) {
103    mLicenseNote = new std::string(S);
104  }
105  inline const std::string *getLicenseNote() const { return mLicenseNote; }
106
107  inline void addExportVar(const std::string &S) {
108    mNeedExportVars.insert(S);
109    return;
110  }
111  inline void addExportFunc(const std::string &S) {
112    mNeedExportFuncs.insert(S);
113    return;
114  }
115  inline void addExportType(const std::string &S) {
116    mNeedExportTypes.insert(S);
117    return;
118  }
119
120  inline void setExportAllNonStaticVars(bool flag) {
121    mExportAllNonStaticVars = flag;
122  }
123  inline void setExportAllNonStaticFuncs(bool flag) {
124    mExportAllNonStaticFuncs = flag;
125  }
126  inline void setReflectJavaPackageName(const std::string &S) {
127    mReflectJavaPackageName = S;
128    return;
129  }
130
131  void processExport();
132  inline void newExportable(RSExportable *E) {
133    if (E != NULL)
134      mExportables.push_back(E);
135  }
136  typedef ExportableList::iterator exportable_iterator;
137  exportable_iterator exportable_begin() {
138    return mExportables.begin();
139  }
140  exportable_iterator exportable_end() {
141    return mExportables.end();
142  }
143
144  typedef ExportVarList::const_iterator const_export_var_iterator;
145  const_export_var_iterator export_vars_begin() const {
146    return mExportVars.begin();
147  }
148  const_export_var_iterator export_vars_end() const {
149    return mExportVars.end();
150  }
151  inline bool hasExportVar() const {
152    return !mExportVars.empty();
153  }
154
155  typedef ExportFuncList::const_iterator const_export_func_iterator;
156  const_export_func_iterator export_funcs_begin() const {
157    return mExportFuncs.begin();
158  }
159  const_export_func_iterator export_funcs_end() const {
160    return mExportFuncs.end();
161  }
162  inline bool hasExportFunc() const { return !mExportFuncs.empty(); }
163
164  typedef ExportTypeMap::iterator export_type_iterator;
165  typedef ExportTypeMap::const_iterator const_export_type_iterator;
166  export_type_iterator export_types_begin() { return mExportTypes.begin(); }
167  export_type_iterator export_types_end() { return mExportTypes.end(); }
168  const_export_type_iterator export_types_begin() const {
169    return mExportTypes.begin();
170  }
171  const_export_type_iterator export_types_end() const {
172    return mExportTypes.end();
173  }
174  inline bool hasExportType() const { return !mExportTypes.empty(); }
175  export_type_iterator findExportType(const llvm::StringRef &TypeName) {
176    return mExportTypes.find(TypeName);
177  }
178  const_export_type_iterator findExportType(const llvm::StringRef &TypeName)
179      const {
180    return mExportTypes.find(TypeName);
181  }
182
183  // Insert the specified Typename/Type pair into the map. If the key already
184  // exists in the map, return false and ignore the request, otherwise insert it
185  // and return true.
186  bool insertExportType(const llvm::StringRef &TypeName, RSExportType *Type);
187
188  bool reflectToJava(const std::string &OutputPathBase,
189                     const std::string &OutputPackageName,
190                     const std::string &InputFileName,
191                     const std::string &OutputBCFileName,
192                     std::string *RealPackageName);
193
194  ~RSContext();
195};
196
197}   // namespace slang
198
199#endif  // _SLANG_COMPILER_RS_CONTEXT_H
200