slang_rs_context.h revision 593a894650e81be54173106ec266f0311cebebd3 
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  std::vector<std::string> *mGeneratedFileNames;
72
73  llvm::TargetData *mTargetData;
74  llvm::LLVMContext &mLLVMContext;
75
76  ExportableList mExportables;
77
78  NeedExportTypeSet mNeedExportTypes;
79
80  std::string *mLicenseNote;
81  std::string mReflectJavaPackageName;
82  std::string mReflectJavaPathName;
83
84  int version;
85  llvm::OwningPtr<clang::MangleContext> mMangleCtx;
86
87  bool processExportVar(const clang::VarDecl *VD);
88  bool processExportFunc(const clang::FunctionDecl *FD);
89  bool processExportType(const llvm::StringRef &Name);
90
91  ExportVarList mExportVars;
92  ExportFuncList mExportFuncs;
93  ExportForEachList mExportForEach;
94  ExportTypeMap mExportTypes;
95
96 public:
97  RSContext(clang::Preprocessor &PP,
98            clang::ASTContext &Ctx,
99            const clang::TargetInfo &Target,
100            PragmaList *Pragmas,
101            std::vector<std::string> *GeneratedFileNames);
102
103  inline clang::Preprocessor &getPreprocessor() const { return mPP; }
104  inline clang::ASTContext &getASTContext() const { return mCtx; }
105  inline clang::MangleContext &getMangleContext() const {
106    return *mMangleCtx;
107  }
108  inline const llvm::TargetData *getTargetData() const { return mTargetData; }
109  inline llvm::LLVMContext &getLLVMContext() const { return mLLVMContext; }
110  inline const clang::SourceManager *getSourceManager() const {
111    return &mPP.getSourceManager();
112  }
113  inline clang::Diagnostic *getDiagnostics() const {
114    return &mPP.getDiagnostics();
115  }
116
117  inline void setLicenseNote(const std::string &S) {
118    mLicenseNote = new std::string(S);
119  }
120  inline const std::string *getLicenseNote() const { return mLicenseNote; }
121
122  inline void addExportType(const std::string &S) {
123    mNeedExportTypes.insert(S);
124    return;
125  }
126
127  inline void setReflectJavaPackageName(const std::string &S) {
128    mReflectJavaPackageName = S;
129    return;
130  }
131  inline const std::string &getReflectJavaPackageName() {
132    return mReflectJavaPackageName;
133  }
134
135  bool processExport();
136  inline void newExportable(RSExportable *E) {
137    if (E != NULL)
138      mExportables.push_back(E);
139  }
140  typedef ExportableList::iterator exportable_iterator;
141  exportable_iterator exportable_begin() {
142    return mExportables.begin();
143  }
144  exportable_iterator exportable_end() {
145    return mExportables.end();
146  }
147
148  typedef ExportVarList::const_iterator const_export_var_iterator;
149  const_export_var_iterator export_vars_begin() const {
150    return mExportVars.begin();
151  }
152  const_export_var_iterator export_vars_end() const {
153    return mExportVars.end();
154  }
155  inline bool hasExportVar() const {
156    return !mExportVars.empty();
157  }
158
159  typedef ExportFuncList::const_iterator const_export_func_iterator;
160  const_export_func_iterator export_funcs_begin() const {
161    return mExportFuncs.begin();
162  }
163  const_export_func_iterator export_funcs_end() const {
164    return mExportFuncs.end();
165  }
166  inline bool hasExportFunc() const { return !mExportFuncs.empty(); }
167
168  typedef ExportForEachList::const_iterator const_export_foreach_iterator;
169  const_export_foreach_iterator export_foreach_begin() const {
170    return mExportForEach.begin();
171  }
172  const_export_foreach_iterator export_foreach_end() const {
173    return mExportForEach.end();
174  }
175  inline bool hasExportForEach() const { return !mExportForEach.empty(); }
176
177  typedef ExportTypeMap::iterator export_type_iterator;
178  typedef ExportTypeMap::const_iterator const_export_type_iterator;
179  export_type_iterator export_types_begin() { return mExportTypes.begin(); }
180  export_type_iterator export_types_end() { return mExportTypes.end(); }
181  const_export_type_iterator export_types_begin() const {
182    return mExportTypes.begin();
183  }
184  const_export_type_iterator export_types_end() const {
185    return mExportTypes.end();
186  }
187  inline bool hasExportType() const { return !mExportTypes.empty(); }
188  export_type_iterator findExportType(const llvm::StringRef &TypeName) {
189    return mExportTypes.find(TypeName);
190  }
191  const_export_type_iterator findExportType(const llvm::StringRef &TypeName)
192      const {
193    return mExportTypes.find(TypeName);
194  }
195
196  // Insert the specified Typename/Type pair into the map. If the key already
197  // exists in the map, return false and ignore the request, otherwise insert it
198  // and return true.
199  bool insertExportType(const llvm::StringRef &TypeName, RSExportType *Type);
200
201  bool reflectToJava(const std::string &OutputPathBase,
202                     const std::string &OutputPackageName,
203                     const std::string &InputFileName,
204                     const std::string &OutputBCFileName,
205                     std::string *RealPackageName);
206
207  int getVersion() const { return version; }
208  void setVersion(int v) {
209    version = v;
210    return;
211  }
212
213  void addPragma(const std::string &T, const std::string &V) {
214    mPragmas->push_back(make_pair(T, V));
215  }
216
217  ~RSContext();
218};
219
220}   // namespace slang
221
222#endif  // _FRAMEWORKS_COMPILE_SLANG_SLANG_RS_CONTEXT_H_  NOLINT
223