slang_rs_context.h revision c17e198ffcd37bfc57e3add1f6eee952ae2a2eab
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 _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 TargetData;
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::TargetData *mTargetData;
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  int version;
86  llvm::OwningPtr<clang::MangleContext> mMangleCtx;
87
88  bool processExportVar(const clang::VarDecl *VD);
89  bool processExportFunc(const clang::FunctionDecl *FD);
90  bool processExportType(const llvm::StringRef &Name);
91
92  void cleanupForEach();
93
94  ExportVarList mExportVars;
95  ExportFuncList mExportFuncs;
96  ExportForEachList mExportForEach;
97  ExportTypeMap mExportTypes;
98
99 public:
100  RSContext(clang::Preprocessor &PP,
101            clang::ASTContext &Ctx,
102            const clang::TargetInfo &Target,
103            PragmaList *Pragmas,
104            unsigned int TargetAPI,
105            std::vector<std::string> *GeneratedFileNames);
106
107  inline clang::Preprocessor &getPreprocessor() const { return mPP; }
108  inline clang::ASTContext &getASTContext() const { return mCtx; }
109  inline clang::MangleContext &getMangleContext() const {
110    return *mMangleCtx;
111  }
112  inline const llvm::TargetData *getTargetData() const { return mTargetData; }
113  inline llvm::LLVMContext &getLLVMContext() const { return mLLVMContext; }
114  inline const clang::SourceManager *getSourceManager() const {
115    return &mPP.getSourceManager();
116  }
117  inline clang::DiagnosticsEngine *getDiagnostics() const {
118    return &mPP.getDiagnostics();
119  }
120  inline unsigned int getTargetAPI() const {
121    return mTargetAPI;
122  }
123
124  inline void setLicenseNote(const std::string &S) {
125    mLicenseNote = new std::string(S);
126  }
127  inline const std::string *getLicenseNote() const { return mLicenseNote; }
128
129  inline void addExportType(const std::string &S) {
130    mNeedExportTypes.insert(S);
131    return;
132  }
133
134  inline void setReflectJavaPackageName(const std::string &S) {
135    mReflectJavaPackageName = S;
136    return;
137  }
138  inline const std::string &getReflectJavaPackageName() {
139    return mReflectJavaPackageName;
140  }
141
142  bool processExport();
143  inline void newExportable(RSExportable *E) {
144    if (E != NULL)
145      mExportables.push_back(E);
146  }
147  typedef ExportableList::iterator exportable_iterator;
148  exportable_iterator exportable_begin() {
149    return mExportables.begin();
150  }
151  exportable_iterator exportable_end() {
152    return mExportables.end();
153  }
154
155  typedef ExportVarList::const_iterator const_export_var_iterator;
156  const_export_var_iterator export_vars_begin() const {
157    return mExportVars.begin();
158  }
159  const_export_var_iterator export_vars_end() const {
160    return mExportVars.end();
161  }
162  inline bool hasExportVar() const {
163    return !mExportVars.empty();
164  }
165
166  typedef ExportFuncList::const_iterator const_export_func_iterator;
167  const_export_func_iterator export_funcs_begin() const {
168    return mExportFuncs.begin();
169  }
170  const_export_func_iterator export_funcs_end() const {
171    return mExportFuncs.end();
172  }
173  inline bool hasExportFunc() const { return !mExportFuncs.empty(); }
174
175  typedef ExportForEachList::const_iterator const_export_foreach_iterator;
176  const_export_foreach_iterator export_foreach_begin() const {
177    return mExportForEach.begin();
178  }
179  const_export_foreach_iterator export_foreach_end() const {
180    return mExportForEach.end();
181  }
182  inline bool hasExportForEach() const { return !mExportForEach.empty(); }
183
184  typedef ExportTypeMap::iterator export_type_iterator;
185  typedef ExportTypeMap::const_iterator const_export_type_iterator;
186  export_type_iterator export_types_begin() { return mExportTypes.begin(); }
187  export_type_iterator export_types_end() { return mExportTypes.end(); }
188  const_export_type_iterator export_types_begin() const {
189    return mExportTypes.begin();
190  }
191  const_export_type_iterator export_types_end() const {
192    return mExportTypes.end();
193  }
194  inline bool hasExportType() const { return !mExportTypes.empty(); }
195  export_type_iterator findExportType(const llvm::StringRef &TypeName) {
196    return mExportTypes.find(TypeName);
197  }
198  const_export_type_iterator findExportType(const llvm::StringRef &TypeName)
199      const {
200    return mExportTypes.find(TypeName);
201  }
202
203  // Insert the specified Typename/Type pair into the map. If the key already
204  // exists in the map, return false and ignore the request, otherwise insert it
205  // and return true.
206  bool insertExportType(const llvm::StringRef &TypeName, RSExportType *Type);
207
208  bool reflectToJava(const std::string &OutputPathBase,
209                     const std::string &OutputPackageName,
210                     const std::string &InputFileName,
211                     const std::string &OutputBCFileName,
212                     std::string *RealPackageName);
213
214  int getVersion() const { return version; }
215  void setVersion(int v) {
216    version = v;
217    return;
218  }
219
220  void addPragma(const std::string &T, const std::string &V) {
221    mPragmas->push_back(make_pair(T, V));
222  }
223
224  ~RSContext();
225};
226
227}   // namespace slang
228
229#endif  // _FRAMEWORKS_COMPILE_SLANG_SLANG_RS_CONTEXT_H_  NOLINT
230