slang_rs.h revision e86245a09bb8b9e72f5dc68083444ec938865798 
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 _SLANG_COMPILER_SLANG_RS_HPP
18#define _SLANG_COMPILER_SLANG_RS_HPP
19
20#include "slang.h"
21
22#include <list>
23#include <vector>
24#include <string>
25
26#include "llvm/ADT/StringMap.h"
27
28#include "slang_rs_reflect_utils.h"
29
30namespace slang {
31  class RSContext;
32  class RSExportRecordType;
33
34class SlangRS : public Slang {
35 private:
36  // Context for RenderScript
37  RSContext *mRSContext;
38
39  bool mAllowRSPrefix;
40
41  // Custom diagnostic identifiers
42  unsigned mDiagErrorInvalidOutputDepParameter;
43  unsigned mDiagErrorODR;
44
45  // FIXME: Should be std::list<RSExportable *> here. But currently we only
46  //        check ODR on record type.
47  //
48  // ReflectedDefinitions maps record type name to a pair:
49  //  <its RSExportRecordType instance,
50  //   the first file contains this record type definition>
51  typedef std::pair<RSExportRecordType*, const char*> ReflectedDefinitionTy;
52  typedef llvm::StringMap<ReflectedDefinitionTy> ReflectedDefinitionListTy;
53  ReflectedDefinitionListTy ReflectedDefinitions;
54
55  // The package name that's really applied will be filled in RealPackageName.
56  bool reflectToJava(const std::string &OutputPathBase,
57                     const std::string &OutputPackageName,
58                     std::string *RealPackageName);
59
60  bool generateBitcodeAccessor(const std::string &OutputPathBase,
61                               const std::string &PackageName);
62
63  // CurInputFile is the pointer to a char array holding the input filename
64  // and is valid before compile() ends.
65  bool checkODR(const char *CurInputFile);
66
67 protected:
68  virtual void initDiagnostic();
69  virtual void initPreprocessor();
70  virtual void initASTContext();
71
72  virtual clang::ASTConsumer
73  *createBackend(const clang::CodeGenOptions& CodeGenOpts,
74                 llvm::raw_ostream *OS,
75                 Slang::OutputType OT);
76
77
78 public:
79  static bool IsRSHeaderFile(const char *File);
80
81  SlangRS();
82
83  // Compile bunch of RS files given in the llvm-rs-cc arguments. Return true if
84  // all given input files are successfully compiled without errors.
85  //
86  // @IOFiles - List of pairs of <input file path, output file path>.
87  //
88  // @DepFiles - List of pairs of <output dep. file path, dependent bitcode
89  //             target>. If @OutputDep is true, this parameter must be given
90  //             with the same number of pairs given in @IOFiles.
91  //
92  // @IncludePaths - User-defined include paths.
93  //
94  // @AdditionalDepTargets - User-defined files added to the dependencies.
95  //
96  // @OutputType - See Slang::OutputType.
97  //
98  // @BitcodeStorage - See BitCodeStorageType in slang_rs_reflect_util.cpp.
99  //
100  // @AllowRSPrefix - true to allow user-defined function prefixed with 'rs'.
101  //
102  // @OutputDep - true if output dependecies file for each input file.
103  //
104  // @JavaReflectionPathBase - The path base for storing reflection files.
105  //
106  // @JavaReflectionPackageName - The package name given by user in command
107  //                              line. This may override the package name
108  //                              specified in the .rs using #pragma.
109  //
110  bool compile(const std::list<std::pair<const char*, const char*> > &IOFiles,
111               const std::list<std::pair<const char*, const char*> > &DepFiles,
112               const std::vector<std::string> &IncludePaths,
113               const std::vector<std::string> &AdditionalDepTargets,
114               Slang::OutputType OutputType, BitCodeStorageType BitcodeStorage,
115               bool AllowRSPrefix, bool OutputDep,
116               const std::string &JavaReflectionPathBase,
117               const std::string &JavaReflectionPackageName);
118
119  virtual void reset();
120
121  virtual ~SlangRS();
122};
123}
124
125#endif  // _SLANG_COMPILER_SLANG_RS_HPP
126