slang_rs_pragma_handler.h revision 7aff4a0a124209fdf93ecbcd7aed701d39ba094b 
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_PRAGMA_HANDLER_H_  // NOLINT
18#define _FRAMEWORKS_COMPILE_SLANG_SLANG_RS_PRAGMA_HANDLER_H_
19
20#include <string>
21
22#include "clang/Lex/Pragma.h"
23
24namespace clang {
25  class Token;
26  class IdentifierInfo;
27  class Preprocessor;
28}
29
30namespace slang {
31
32  class RSContext;
33
34class RSPragmaHandler : public clang::PragmaHandler {
35 protected:
36  RSContext *mContext;
37
38  RSPragmaHandler(llvm::StringRef Name, RSContext *Context)
39      : clang::PragmaHandler(Name),
40        mContext(Context) {
41    return;
42  }
43  RSContext *getContext() const {
44    return this->mContext;
45  }
46
47  virtual void handleItem(const std::string &Item) { return; }
48  virtual void handleInt(clang::Preprocessor &PP, clang::Token &Tok,
49                         const int v) { return; }
50
51  // Handle pragma like #pragma rs [name] ([item #1],[item #2],...,[item #i])
52  void handleItemListPragma(clang::Preprocessor &PP,
53                            clang::Token &FirstToken);
54
55  // Handle pragma like #pragma rs [name]
56  void handleNonParamPragma(clang::Preprocessor &PP,
57                            clang::Token &FirstToken);
58
59  // Handle pragma like #pragma rs [name] ("string literal")
60  void handleOptionalStringLiteralParamPragma(clang::Preprocessor &PP,
61                                              clang::Token &FirstToken);
62
63  // Handle pragma like #pragma version (integer)
64  void handleIntegerParamPragma(clang::Preprocessor &PP,
65                                clang::Token &FirstToken);
66
67 public:
68  static RSPragmaHandler *CreatePragmaExportTypeHandler(RSContext *Context);
69  static RSPragmaHandler *CreatePragmaJavaPackageNameHandler(
70      RSContext *Context);
71  static RSPragmaHandler *CreatePragmaReflectLicenseHandler(RSContext *Context);
72  static RSPragmaHandler *CreatePragmaVersionHandler(RSContext *Context);
73
74  virtual void HandlePragma(clang::Preprocessor &PP,
75                            clang::PragmaIntroducerKind Introducer,
76                            clang::Token &FirstToken) = 0;
77};
78
79}   // namespace slang
80
81#endif  // _FRAMEWORKS_COMPILE_SLANG_SLANG_RS_PRAGMA_HANDLER_H_  NOLINT
82