maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

Handle missing newline at EOF more gracefully in MC AsmLexer. 

If we see an EOF w/o a preceding end-of-line, return an EndOfStatement
token before returning the Eof token.

Based on patch by Stepan Dyatkovskiy.

llvm-svn: 139798
This commit is contained in:
Jim Grosbach 2011-09-15 16:52:06 +00:00
parent 07b3503f8b
commit a9aa3c18e3
1 changed files with 8 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
llvm/lib/MC/MCParser/AsmLexer.cpp
View File

@ -375,8 +375,15 @@ AsmToken AsmLexer::LexToken() {
return AsmToken(AsmToken::EndOfStatement,
StringRef(TokStart, strlen(MAI.getSeparatorString())));
}
isAtStartOfLine = false;
// If we're missing a newline at EOF, make sure we still get an
// EndOfStatement token before the Eof token.
if (CurChar == EOF && !isAtStartOfLine) {
isAtStartOfLine = true;
return AsmToken(AsmToken::EndOfStatement, StringRef(TokStart, 1));
}
isAtStartOfLine = false;
switch (CurChar) {
default:
// Handle identifier: [a-zA-Z_.][a-zA-Z0-9_$.@]*