slang_rs_context.h revision 4c7c95cab6a7baf46bbedaf6c2a67d93eafc3e66 
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_CONTEXT_H_  // NOLINT
18#define _FRAMEWORKS_COMPILE_SLANG_SLANG_RS_CONTEXT_H_
19
20#include <cstdio>
21#include <list>
22#include <map>
23#include <string>
24
25#include "clang/Lex/Preprocessor.h"
26#include "clang/AST/Mangle.h"
27
28#include "llvm/ADT/OwningPtr.h"
29#include "llvm/ADT/StringSet.h"
30#include "llvm/ADT/StringMap.h"
31
32#include "slang_pragma_recorder.h"
33
34namespace llvm {
35  class LLVMContext;
36  class DataLayout;
37}   // namespace llvm
38
39namespace clang {
40  class VarDecl;
41  class ASTContext;
42  class TargetInfo;
43  class FunctionDecl;
44  class SourceManager;
45}   // namespace clang
46
47namespace slang {
48  class RSExportable;
49  class RSExportVar;
50  class RSExportFunc;
51  class RSExportForEach;
52  class RSExportType;
53
54class RSContext {
55  typedef llvm::StringSet<> NeedExportVarSet;
56  typedef llvm::StringSet<> NeedExportFuncSet;
57  typedef llvm::StringSet<> NeedExportTypeSet;
58
59 public:
60  typedef std::list<RSExportable*> ExportableList;
61  typedef std::list<RSExportVar*> ExportVarList;
62  typedef std::list<RSExportFunc*> ExportFuncList;
63  typedef std::list<RSExportForEach*> ExportForEachList;
64  typedef llvm::StringMap<RSExportType*> ExportTypeMap;
65
66 private:
67  clang::Preprocessor &mPP;
68  clang::ASTContext &mCtx;
69  const clang::TargetInfo &mTarget;
70  PragmaList *mPragmas;
71  unsigned int mTargetAPI;
72  std::vector<std::string> *mGeneratedFileNames;
73
74  llvm::DataLayout *mDataLayout;
75  llvm::LLVMContext &mLLVMContext;
76
77  ExportableList mExportables;
78
79  NeedExportTypeSet mNeedExportTypes;
80
81  std::string *mLicenseNote;
82  std::string mReflectJavaPackageName;
83  std::string mReflectJavaPathName;
84
85  std::string mRSPackageName;
86
87  int version;
88
89  bool mIsCompatLib;
90
91  llvm::OwningPtr<clang::MangleContext> mMangleCtx;
92
93  bool processExportVar(const clang::VarDecl *VD);
94  bool processExportFunc(const clang::FunctionDecl *FD);
95  bool processExportType(const llvm::StringRef &Name);
96
97  void cleanupForEach();
98
99  ExportVarList mExportVars;
100  ExportFuncList mExportFuncs;
101  ExportForEachList mExportForEach;
102  ExportTypeMap mExportTypes;
103
104 public:
105  RSContext(clang::Preprocessor &PP,
106            clang::ASTContext &Ctx,
107            const clang::TargetInfo &Target,
108            PragmaList *Pragmas,
109            unsigned int TargetAPI,
110            std::vector<std::string> *GeneratedFileNames);
111
112  inline clang::Preprocessor &getPreprocessor() const { return mPP; }
113  inline clang::ASTContext &getASTContext() const { return mCtx; }
114  inline clang::MangleContext &getMangleContext() const {
115    return *mMangleCtx;
116  }
117  inline const llvm::DataLayout *getDataLayout() const { return mDataLayout; }
118  inline llvm::LLVMContext &getLLVMContext() const { return mLLVMContext; }
119  inline const clang::SourceManager *getSourceManager() const {
120    return &mPP.getSourceManager();
121  }
122  inline clang::DiagnosticsEngine *getDiagnostics() const {
123    return &mPP.getDiagnostics();
124  }
125  inline unsigned int getTargetAPI() const {
126    return mTargetAPI;
127  }
128
129  inline void setLicenseNote(const std::string &S) {
130    mLicenseNote = new std::string(S);
131  }
132  inline const std::string *getLicenseNote() const { return mLicenseNote; }
133
134  inline void addExportType(const std::string &S) {
135    mNeedExportTypes.insert(S);
136    return;
137  }
138
139  inline void setReflectJavaPackageName(const std::string &S) {
140    mReflectJavaPackageName = S;
141    return;
142  }
143  inline const std::string &getReflectJavaPackageName() {
144    return mReflectJavaPackageName;
145  }
146
147  inline void setRSPackageName(const std::string &S) {
148    mRSPackageName = S;
149    return;
150  }
151  inline const std::string &getRSPackageName() {
152    return mRSPackageName;
153  }
154
155  bool processExport();
156  inline void newExportable(RSExportable *E) {
157    if (E != NULL)
158      mExportables.push_back(E);
159  }
160  typedef ExportableList::iterator exportable_iterator;
161  exportable_iterator exportable_begin() {
162    return mExportables.begin();
163  }
164  exportable_iterator exportable_end() {
165    return mExportables.end();
166  }
167
168  typedef ExportVarList::const_iterator const_export_var_iterator;
169  const_export_var_iterator export_vars_begin() const {
170    return mExportVars.begin();
171  }
172  const_export_var_iterator export_vars_end() const {
173    return mExportVars.end();
174  }
175  inline bool hasExportVar() const {
176    return !mExportVars.empty();
177  }
178
179  typedef ExportFuncList::const_iterator const_export_func_iterator;
180  const_export_func_iterator export_funcs_begin() const {
181    return mExportFuncs.begin();
182  }
183  const_export_func_iterator export_funcs_end() const {
184    return mExportFuncs.end();
185  }
186  inline bool hasExportFunc() const { return !mExportFuncs.empty(); }
187
188  typedef ExportForEachList::const_iterator const_export_foreach_iterator;
189  const_export_foreach_iterator export_foreach_begin() const {
190    return mExportForEach.begin();
191  }
192  const_export_foreach_iterator export_foreach_end() const {
193    return mExportForEach.end();
194  }
195  inline bool hasExportForEach() const { return !mExportForEach.empty(); }
196
197  typedef ExportTypeMap::iterator export_type_iterator;
198  typedef ExportTypeMap::const_iterator const_export_type_iterator;
199  export_type_iterator export_types_begin() { return mExportTypes.begin(); }
200  export_type_iterator export_types_end() { return mExportTypes.end(); }
201  const_export_type_iterator export_types_begin() const {
202    return mExportTypes.begin();
203  }
204  const_export_type_iterator export_types_end() const {
205    return mExportTypes.end();
206  }
207  inline bool hasExportType() const { return !mExportTypes.empty(); }
208  export_type_iterator findExportType(const llvm::StringRef &TypeName) {
209    return mExportTypes.find(TypeName);
210  }
211  const_export_type_iterator findExportType(const llvm::StringRef &TypeName)
212      const {
213    return mExportTypes.find(TypeName);
214  }
215
216  // Insert the specified Typename/Type pair into the map. If the key already
217  // exists in the map, return false and ignore the request, otherwise insert it
218  // and return true.
219  bool insertExportType(const llvm::StringRef &TypeName, RSExportType *Type);
220
221  bool reflectToJava(const std::string &OutputPathBase,
222                     const std::string &OutputPackageName,
223                     const std::string &RSPackageName,
224                     const std::string &InputFileName,
225                     const std::string &OutputBCFileName,
226                     std::string *RealPackageName);
227
228  int getVersion() const { return version; }
229  void setVersion(int v) {
230    version = v;
231    return;
232  }
233
234  bool isCompatLib() const { return mIsCompatLib; }
235
236  void addPragma(const std::string &T, const std::string &V) {
237    mPragmas->push_back(make_pair(T, V));
238  }
239
240  ~RSContext();
241};
242
243}   // namespace slang
244
245#endif  // _FRAMEWORKS_COMPILE_SLANG_SLANG_RS_CONTEXT_H_  NOLINT
246