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/*
* Copyright 2010, The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _FRAMEWORKS_COMPILE_SLANG_SLANG_RS_PRAGMA_HANDLER_H_ // NOLINT
#define _FRAMEWORKS_COMPILE_SLANG_SLANG_RS_PRAGMA_HANDLER_H_
#include <string>
#include "clang/Lex/Pragma.h"
namespace clang {
class Token;
class IdentifierInfo;
class Preprocessor;
}
namespace slang {
class RSContext;
class RSPragmaHandler : public clang::PragmaHandler {
protected:
RSContext *mContext;
RSPragmaHandler(llvm::StringRef Name, RSContext *Context)
: clang::PragmaHandler(Name),
mContext(Context) {
}
RSContext *getContext() const {
return this->mContext;
}
virtual void handleItem(const std::string &Item) { }
virtual void handleInt(clang::Preprocessor &PP, clang::Token &Tok,
const int v) { }
// Handle pragma like #pragma rs [name] ([item #1],[item #2],...,[item #i])
void handleItemListPragma(clang::Preprocessor &PP,
clang::Token &FirstToken);
// Handle pragma like #pragma rs [name]
void handleNonParamPragma(clang::Preprocessor &PP,
clang::Token &FirstToken);
// Handle pragma like #pragma rs [name] ("string literal")
void handleOptionalStringLiteralParamPragma(clang::Preprocessor &PP,
clang::Token &FirstToken);
// Handle pragma like #pragma version (integer)
void handleIntegerParamPragma(clang::Preprocessor &PP,
clang::Token &FirstToken);
public:
virtual void HandlePragma(clang::Preprocessor &PP,
clang::PragmaIntroducerKind Introducer,
clang::Token &FirstToken) = 0;
};
// Add handlers for the RS pragmas to the preprocessor. These handlers
// validate the pragmas and, if valid, set fields of the RSContext.
void AddPragmaHandlers(clang::Preprocessor &PP, RSContext *RsContext);
} // namespace slang
#endif // _FRAMEWORKS_COMPILE_SLANG_SLANG_RS_PRAGMA_HANDLER_H_ NOLINT
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