llvm-project/clang/lib/Parse/ParsePragma.h
Douglas Gregor c7d6576d54 When we parse a pragma, keep track of how that pragma was originally
spelled (#pragma, _Pragma, __pragma). In -E mode, use that information
to add appropriate newlines when translating _Pragma and __pragma into
#pragma, like GCC does. Fixes <rdar://problem/8412013>.

llvm-svn: 113553
2010-09-09 22:45:38 +00:00

86 lines
2.5 KiB
C++

//===---- ParserPragmas.h - Language specific pragmas -----------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines #pragma handlers for language specific pragmas.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_PARSE_PARSEPRAGMA_H
#define LLVM_CLANG_PARSE_PARSEPRAGMA_H
#include "clang/Lex/Pragma.h"
namespace clang {
class Sema;
class Parser;
class PragmaAlignHandler : public PragmaHandler {
Sema &Actions;
public:
explicit PragmaAlignHandler(Sema &A) : PragmaHandler("align"), Actions(A) {}
virtual void HandlePragma(Preprocessor &PP, PragmaIntroducerKind Introducer,
Token &FirstToken);
};
class PragmaGCCVisibilityHandler : public PragmaHandler {
Sema &Actions;
public:
explicit PragmaGCCVisibilityHandler(Sema &A) : PragmaHandler("visibility"),
Actions(A) {}
virtual void HandlePragma(Preprocessor &PP, PragmaIntroducerKind Introducer,
Token &FirstToken);
};
class PragmaOptionsHandler : public PragmaHandler {
Sema &Actions;
public:
explicit PragmaOptionsHandler(Sema &A) : PragmaHandler("options"),
Actions(A) {}
virtual void HandlePragma(Preprocessor &PP, PragmaIntroducerKind Introducer,
Token &FirstToken);
};
class PragmaPackHandler : public PragmaHandler {
Sema &Actions;
public:
explicit PragmaPackHandler(Sema &A) : PragmaHandler("pack"),
Actions(A) {}
virtual void HandlePragma(Preprocessor &PP, PragmaIntroducerKind Introducer,
Token &FirstToken);
};
class PragmaUnusedHandler : public PragmaHandler {
Sema &Actions;
Parser &parser;
public:
PragmaUnusedHandler(Sema &A, Parser& p)
: PragmaHandler("unused"), Actions(A), parser(p) {}
virtual void HandlePragma(Preprocessor &PP, PragmaIntroducerKind Introducer,
Token &FirstToken);
};
class PragmaWeakHandler : public PragmaHandler {
Sema &Actions;
public:
explicit PragmaWeakHandler(Sema &A)
: PragmaHandler("weak"), Actions(A) {}
virtual void HandlePragma(Preprocessor &PP, PragmaIntroducerKind Introducer,
Token &FirstToken);
};
} // end namespace clang
#endif