slang_rs_context.h revision 96ab06cbe40b2d73c0eb614f814cd761d8962b6b
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
27#include "llvm/ADT/StringSet.h"
28#include "llvm/ADT/StringMap.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  NeedExportTypeSet mNeedExportTypes;
71
72  std::string *mLicenseNote;
73  std::string mReflectJavaPackageName;
74  std::string mReflectJavaPathName;
75
76  int version;
77
78  bool processExportVar(const clang::VarDecl *VD);
79  bool processExportFunc(const clang::FunctionDecl *FD);
80  bool processExportType(const llvm::StringRef &Name);
81
82  ExportVarList mExportVars;
83  ExportFuncList mExportFuncs;
84  ExportTypeMap mExportTypes;
85
86 public:
87  RSContext(clang::Preprocessor &PP,
88            clang::ASTContext &Ctx,
89            const clang::TargetInfo &Target);
90
91  inline clang::Preprocessor &getPreprocessor() const { return mPP; }
92  inline clang::ASTContext &getASTContext() const { return mCtx; }
93  inline const llvm::TargetData *getTargetData() const { return mTargetData; }
94  inline llvm::LLVMContext &getLLVMContext() const { return mLLVMContext; }
95  inline const clang::SourceManager *getSourceManager() const {
96    return &mPP.getSourceManager();
97  }
98  inline clang::Diagnostic *getDiagnostics() const {
99    return &mPP.getDiagnostics();
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 addExportType(const std::string &S) {
108    mNeedExportTypes.insert(S);
109    return;
110  }
111
112  inline void setReflectJavaPackageName(const std::string &S) {
113    mReflectJavaPackageName = S;
114    return;
115  }
116
117  bool processExport();
118  inline void newExportable(RSExportable *E) {
119    if (E != NULL)
120      mExportables.push_back(E);
121  }
122  typedef ExportableList::iterator exportable_iterator;
123  exportable_iterator exportable_begin() {
124    return mExportables.begin();
125  }
126  exportable_iterator exportable_end() {
127    return mExportables.end();
128  }
129
130  typedef ExportVarList::const_iterator const_export_var_iterator;
131  const_export_var_iterator export_vars_begin() const {
132    return mExportVars.begin();
133  }
134  const_export_var_iterator export_vars_end() const {
135    return mExportVars.end();
136  }
137  inline bool hasExportVar() const {
138    return !mExportVars.empty();
139  }
140
141  typedef ExportFuncList::const_iterator const_export_func_iterator;
142  const_export_func_iterator export_funcs_begin() const {
143    return mExportFuncs.begin();
144  }
145  const_export_func_iterator export_funcs_end() const {
146    return mExportFuncs.end();
147  }
148  inline bool hasExportFunc() const { return !mExportFuncs.empty(); }
149
150  typedef ExportTypeMap::iterator export_type_iterator;
151  typedef ExportTypeMap::const_iterator const_export_type_iterator;
152  export_type_iterator export_types_begin() { return mExportTypes.begin(); }
153  export_type_iterator export_types_end() { return mExportTypes.end(); }
154  const_export_type_iterator export_types_begin() const {
155    return mExportTypes.begin();
156  }
157  const_export_type_iterator export_types_end() const {
158    return mExportTypes.end();
159  }
160  inline bool hasExportType() const { return !mExportTypes.empty(); }
161  export_type_iterator findExportType(const llvm::StringRef &TypeName) {
162    return mExportTypes.find(TypeName);
163  }
164  const_export_type_iterator findExportType(const llvm::StringRef &TypeName)
165      const {
166    return mExportTypes.find(TypeName);
167  }
168
169  // Insert the specified Typename/Type pair into the map. If the key already
170  // exists in the map, return false and ignore the request, otherwise insert it
171  // and return true.
172  bool insertExportType(const llvm::StringRef &TypeName, RSExportType *Type);
173
174  bool reflectToJava(const std::string &OutputPathBase,
175                     const std::string &OutputPackageName,
176                     const std::string &InputFileName,
177                     const std::string &OutputBCFileName,
178                     std::string *RealPackageName);
179
180  int getVersion() const { return version; }
181  void setVersion(int v) {
182    version = v;
183    return;
184  }
185
186  ~RSContext();
187};
188
189}   // namespace slang
190
191#endif  // _FRAMEWORKS_COMPILE_SLANG_SLANG_RS_CONTEXT_H_  NOLINT
192