slang_rs.h revision 9ae18b2bbee0b08afd400542e863dd665ff76059 
1/*
2 * Copyright 2010-2012, 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_H_  // NOLINT
18#define _FRAMEWORKS_COMPILE_SLANG_SLANG_RS_H_
19
20#include "slang.h"
21
22#include <list>
23#include <string>
24#include <utility>
25#include <vector>
26
27#include "llvm/ADT/StringMap.h"
28
29#include "slang_rs_reflect_utils.h"
30#include "slang_version.h"
31
32namespace slang {
33  class RSCCOptions;
34  class RSContext;
35  class RSExportRecordType;
36
37class SlangRS : public Slang {
38 private:
39  // Context for Renderscript
40  RSContext *mRSContext;
41
42  bool mAllowRSPrefix;
43
44  unsigned int mTargetAPI;
45
46  bool mVerbose;
47
48  bool mIsFilterscript;
49
50  // Custom diagnostic identifiers
51  unsigned mDiagErrorInvalidOutputDepParameter;
52  unsigned mDiagErrorODR;
53  unsigned mDiagErrorTargetAPIRange;
54
55  // Collect generated filenames (without the .java) for dependency generation
56  std::vector<std::string> mGeneratedFileNames;
57
58  // FIXME: Should be std::list<RSExportable *> here. But currently we only
59  //        check ODR on record type.
60  //
61  // ReflectedDefinitions maps record type name to a pair:
62  //  <its RSExportRecordType instance,
63  //   the first file contains this record type definition>
64  typedef std::pair<RSExportRecordType*, const char*> ReflectedDefinitionTy;
65  typedef llvm::StringMap<ReflectedDefinitionTy> ReflectedDefinitionListTy;
66  ReflectedDefinitionListTy ReflectedDefinitions;
67
68  bool generateJavaBitcodeAccessor(const std::string &OutputPathBase,
69                                   const std::string &PackageName,
70                                   const std::string *LicenseNote);
71
72  // CurInputFile is the pointer to a char array holding the input filename
73  // and is valid before compile() ends.
74  bool checkODR(const char *CurInputFile);
75
76  // Returns true if this is a Filterscript file.
77  static bool isFilterscript(const char *Filename);
78
79 protected:
80  virtual void initDiagnostic();
81  virtual void initPreprocessor();
82  virtual void initASTContext();
83
84  virtual clang::ASTConsumer
85  *createBackend(const clang::CodeGenOptions& CodeGenOpts,
86                 llvm::raw_ostream *OS,
87                 Slang::OutputType OT);
88
89
90 public:
91  static bool IsRSHeaderFile(const char *File);
92  // FIXME: Determine whether a location is in RS header (i.e., one of the RS
93  //        built-in APIs) should only need its names (we need a "list" of RS
94  //        built-in APIs).
95  static bool IsLocInRSHeaderFile(const clang::SourceLocation &Loc,
96                                  const clang::SourceManager &SourceMgr);
97
98  SlangRS();
99
100  // Compile bunch of RS files given in the llvm-rs-cc arguments. Return true if
101  // all given input files are successfully compiled without errors.
102  //
103  // @IOFiles - List of pairs of <input file path, output file path>.
104  //
105  // @DepFiles - List of pairs of <output dep. file path, dependent bitcode
106  //             target>. If @OutputDep is true, this parameter must be given
107  //             with the same number of pairs given in @IOFiles.
108  //
109  // @Opts - Selection of options defined from invoking llvm-rs-cc
110  bool compile(const std::list<std::pair<const char*, const char*> > &IOFiles64,
111               const std::list<std::pair<const char*, const char*> > &IOFiles32,
112               const std::list<std::pair<const char*, const char*> > &DepFiles,
113               const RSCCOptions &Opts);
114
115  virtual void reset();
116
117  virtual ~SlangRS();
118
119  virtual void makeModuleVisible(clang::Module *Mod,
120                                 clang::Module::NameVisibilityKind Visibility,
121                                 clang::SourceLocation ImportLoc,
122                                 bool Complain = false) { }
123
124  virtual clang::GlobalModuleIndex *loadGlobalModuleIndex(
125      clang::SourceLocation TriggerLoc) { }
126
127  virtual bool lookupMissingImports(llvm::StringRef Name,
128                                    clang::SourceLocation TriggerLoc) { }
129};
130}  // namespace slang
131
132#endif  // _FRAMEWORKS_COMPILE_SLANG_SLANG_RS_H_  NOLINT
133