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Fix some minor issues with _Pragma 

llvm-svn: 38610
This commit is contained in:
Chris Lattner 2006-07-02 21:32:47 +00:00
parent ecfeafe3ba
commit e4af3ac6b4
1 changed files with 10 additions and 11 deletions
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21
clang/Lex/Preprocessor.cpp
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@ -1563,13 +1563,11 @@ void Preprocessor::HandlePragmaOnce(LexerToken &OnceTok) {
return;
}
// FIXME: implement the _Pragma thing.
assert(CurLexer && "Cannot have a pragma in a macro expansion yet!");
// Get the current file lexer we're looking at. Ignore _Pragma 'files' etc.
unsigned FileID = getCurrentFileLexer()->getCurFileID();
// Mark the file as a once-only file now.
const FileEntry *File =
SourceMgr.getFileEntryForFileID(CurLexer->getCurFileID());
getFileInfo(File).isImport = true;
getFileInfo(SourceMgr.getFileEntryForFileID(FileID)).isImport = true;
}
/// HandlePragmaPoison - Handle #pragma GCC poison. PoisonTok is the 'poison'.
@ -1621,15 +1619,17 @@ void Preprocessor::HandlePragmaSystemHeader(LexerToken &SysHeaderTok) {
return;
}
// Get the current file lexer we're looking at. Ignore _Pragma 'files' etc.
Lexer *TheLexer = getCurrentFileLexer();
// Mark the file as a system header.
const FileEntry *File =
SourceMgr.getFileEntryForFileID(CurLexer->getCurFileID());
SourceMgr.getFileEntryForFileID(TheLexer->getCurFileID());
getFileInfo(File).DirInfo = DirectoryLookup::SystemHeaderDir;
// Notify the client, if desired, that we are in a new source file.
if (FileChangeHandler)
FileChangeHandler(CurLexer->getSourceLocation(CurLexer->BufferPtr),
FileChangeHandler(TheLexer->getSourceLocation(TheLexer->BufferPtr),
SystemHeaderPragma, DirectoryLookup::SystemHeaderDir);
}
@ -1655,9 +1655,8 @@ void Preprocessor::HandlePragmaDependency(LexerToken &DependencyTok) {
if (File == 0)
return Diag(FilenameTok, diag::err_pp_file_not_found);
Lexer *TheLexer = getCurrentFileLexer();
const FileEntry *CurFile =
SourceMgr.getFileEntryForFileID(TheLexer->getCurFileID());
unsigned FileID = getCurrentFileLexer()->getCurFileID();
const FileEntry *CurFile = SourceMgr.getFileEntryForFileID(FileID);
// If this file is older than the file it depends on, emit a diagnostic.
if (CurFile && CurFile->getModificationTime() < File->getModificationTime()) {