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 24 namespace clang { 25 class Token; 26 class IdentifierInfo; 27 class Preprocessor; 28 } 29 30 namespace slang { 31 32 class RSContext; 33 34 class 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 } 42 RSContext *getContext() const { 43 return this->mContext; 44 } 45 46 virtual void handleItem(const std::string &Item) { } 47 virtual void handleInt(clang::Preprocessor &PP, clang::Token &Tok, 48 const int v) { } 49 50 // Handle pragma like #pragma rs [name] ([item #1],[item #2],...,[item #i]) 51 void handleItemListPragma(clang::Preprocessor &PP, 52 clang::Token &FirstToken); 53 54 // Handle pragma like #pragma rs [name] 55 void handleNonParamPragma(clang::Preprocessor &PP, 56 clang::Token &FirstToken); 57 58 // Handle pragma like #pragma rs [name] ("string literal") 59 void handleOptionalStringLiteralParamPragma(clang::Preprocessor &PP, 60 clang::Token &FirstToken); 61 62 // Handle pragma like #pragma version (integer) 63 void handleIntegerParamPragma(clang::Preprocessor &PP, 64 clang::Token &FirstToken); 65 66 public: 67 virtual void HandlePragma(clang::Preprocessor &PP, 68 clang::PragmaIntroducerKind Introducer, 69 clang::Token &FirstToken) = 0; 70 }; 71 72 // Add handlers for the RS pragmas to the preprocessor. These handlers 73 // validate the pragmas and, if valid, set fields of the RSContext. 74 void AddPragmaHandlers(clang::Preprocessor &PP, RSContext *RsContext); 75 76 } // namespace slang 77 78 #endif // _FRAMEWORKS_COMPILE_SLANG_SLANG_RS_PRAGMA_HANDLER_H_ NOLINT 79
