slang_rs_context.h revision 2d2512c5703bb238b7935ab5228beff6563f2f94 
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  bool processExportVar(const clang::VarDecl *VD);
77  bool processExportFunc(const clang::FunctionDecl *FD);
78  bool processExportType(const llvm::StringRef &Name);
79
80  ExportVarList mExportVars;
81  ExportFuncList mExportFuncs;
82  ExportTypeMap mExportTypes;
83
84 public:
85  RSContext(clang::Preprocessor &PP,
86            clang::ASTContext &Ctx,
87            const clang::TargetInfo &Target);
88
89  inline clang::Preprocessor &getPreprocessor() const { return mPP; }
90  inline clang::ASTContext &getASTContext() const { return mCtx; }
91  inline const llvm::TargetData *getTargetData() const { return mTargetData; }
92  inline llvm::LLVMContext &getLLVMContext() const { return mLLVMContext; }
93  inline const clang::SourceManager *getSourceManager() const {
94    return &mPP.getSourceManager();
95  }
96
97  inline void setLicenseNote(const std::string &S) {
98    mLicenseNote = new std::string(S);
99  }
100  inline const std::string *getLicenseNote() const { return mLicenseNote; }
101
102  inline void addExportType(const std::string &S) {
103    mNeedExportTypes.insert(S);
104    return;
105  }
106
107  inline void setReflectJavaPackageName(const std::string &S) {
108    mReflectJavaPackageName = S;
109    return;
110  }
111
112  void processExport();
113  inline void newExportable(RSExportable *E) {
114    if (E != NULL)
115      mExportables.push_back(E);
116  }
117  typedef ExportableList::iterator exportable_iterator;
118  exportable_iterator exportable_begin() {
119    return mExportables.begin();
120  }
121  exportable_iterator exportable_end() {
122    return mExportables.end();
123  }
124
125  typedef ExportVarList::const_iterator const_export_var_iterator;
126  const_export_var_iterator export_vars_begin() const {
127    return mExportVars.begin();
128  }
129  const_export_var_iterator export_vars_end() const {
130    return mExportVars.end();
131  }
132  inline bool hasExportVar() const {
133    return !mExportVars.empty();
134  }
135
136  typedef ExportFuncList::const_iterator const_export_func_iterator;
137  const_export_func_iterator export_funcs_begin() const {
138    return mExportFuncs.begin();
139  }
140  const_export_func_iterator export_funcs_end() const {
141    return mExportFuncs.end();
142  }
143  inline bool hasExportFunc() const { return !mExportFuncs.empty(); }
144
145  typedef ExportTypeMap::iterator export_type_iterator;
146  typedef ExportTypeMap::const_iterator const_export_type_iterator;
147  export_type_iterator export_types_begin() { return mExportTypes.begin(); }
148  export_type_iterator export_types_end() { return mExportTypes.end(); }
149  const_export_type_iterator export_types_begin() const {
150    return mExportTypes.begin();
151  }
152  const_export_type_iterator export_types_end() const {
153    return mExportTypes.end();
154  }
155  inline bool hasExportType() const { return !mExportTypes.empty(); }
156  export_type_iterator findExportType(const llvm::StringRef &TypeName) {
157    return mExportTypes.find(TypeName);
158  }
159  const_export_type_iterator findExportType(const llvm::StringRef &TypeName)
160      const {
161    return mExportTypes.find(TypeName);
162  }
163
164  // Insert the specified Typename/Type pair into the map. If the key already
165  // exists in the map, return false and ignore the request, otherwise insert it
166  // and return true.
167  bool insertExportType(const llvm::StringRef &TypeName, RSExportType *Type);
168
169  bool reflectToJava(const std::string &OutputPathBase,
170                     const std::string &OutputPackageName,
171                     const std::string &InputFileName,
172                     const std::string &OutputBCFileName,
173                     std::string *RealPackageName);
174
175  ~RSContext();
176};
177
178}   // namespace slang
179
180#endif  // _FRAMEWORKS_COMPILE_SLANG_SLANG_RS_CONTEXT_H_  NOLINT
181