From e0acd859d0b3245bc7dbd3ae511617f76c2fe23a Mon Sep 17 00:00:00 2001
From: Abramo Bagnara <abramo.bagnara@gmail.com>
Date: Thu, 2 Dec 2010 18:34:55 +0000
Subject: [PATCH] Fixed source range for MS asm statement.

llvm-svn: 120724
---
 clang/include/clang/Parse/Parser.h |  2 +-
 clang/lib/Parse/ParseStmt.cpp      | 11 +++++++----
 2 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/clang/include/clang/Parse/Parser.h b/clang/include/clang/Parse/Parser.h
index 5b0b56ac8413..75263823ccef 100644
--- a/clang/include/clang/Parse/Parser.h
+++ b/clang/include/clang/Parse/Parser.h
@@ -1210,7 +1210,7 @@ private:
   StmtResult ParseBreakStatement(AttributeList *Attr);
   StmtResult ParseReturnStatement(AttributeList *Attr);
   StmtResult ParseAsmStatement(bool &msAsm);
-  StmtResult FuzzyParseMicrosoftAsmStatement();
+  StmtResult FuzzyParseMicrosoftAsmStatement(SourceLocation AsmLoc);
   bool ParseAsmOperandsOpt(llvm::SmallVectorImpl<IdentifierInfo *> &Names,
                            llvm::SmallVectorImpl<ExprTy *> &Constraints,
                            llvm::SmallVectorImpl<ExprTy *> &Exprs);
diff --git a/clang/lib/Parse/ParseStmt.cpp b/clang/lib/Parse/ParseStmt.cpp
index 26d2279d31ef..4d737b737045 100644
--- a/clang/lib/Parse/ParseStmt.cpp
+++ b/clang/lib/Parse/ParseStmt.cpp
@@ -1215,10 +1215,12 @@ StmtResult Parser::ParseReturnStatement(AttributeList *Attr) {
 
 /// FuzzyParseMicrosoftAsmStatement. When -fms-extensions is enabled, this
 /// routine is called to skip/ignore tokens that comprise the MS asm statement.
-StmtResult Parser::FuzzyParseMicrosoftAsmStatement() {
+StmtResult Parser::FuzzyParseMicrosoftAsmStatement(SourceLocation AsmLoc) {
+  SourceLocation EndLoc;
   if (Tok.is(tok::l_brace)) {
     unsigned short savedBraceCount = BraceCount;
     do {
+      EndLoc = Tok.getLocation();
       ConsumeAnyToken();
     } while (BraceCount > savedBraceCount && Tok.isNot(tok::eof));
   } else {
@@ -1228,6 +1230,7 @@ StmtResult Parser::FuzzyParseMicrosoftAsmStatement() {
     SourceLocation TokLoc = Tok.getLocation();
     unsigned LineNo = SrcMgr.getInstantiationLineNumber(TokLoc);
     do {
+      EndLoc = TokLoc;
       ConsumeAnyToken();
       TokLoc = Tok.getLocation();
     } while ((SrcMgr.getInstantiationLineNumber(TokLoc) == LineNo) &&
@@ -1243,10 +1246,10 @@ StmtResult Parser::FuzzyParseMicrosoftAsmStatement() {
   ExprVector Constraints(Actions);
   ExprVector Exprs(Actions);
   ExprVector Clobbers(Actions);
-  return Actions.ActOnAsmStmt(Tok.getLocation(), true, true, 0, 0, 0,
+  return Actions.ActOnAsmStmt(AsmLoc, true, true, 0, 0, 0,
                               move_arg(Constraints), move_arg(Exprs),
                               AsmString.take(), move_arg(Clobbers),
-                              Tok.getLocation(), true);
+                              EndLoc, true);
 }
 
 /// ParseAsmStatement - Parse a GNU extended asm statement.
@@ -1282,7 +1285,7 @@ StmtResult Parser::ParseAsmStatement(bool &msAsm) {
 
   if (getLang().Microsoft && Tok.isNot(tok::l_paren) && !isTypeQualifier()) {
     msAsm = true;
-    return FuzzyParseMicrosoftAsmStatement();
+    return FuzzyParseMicrosoftAsmStatement(AsmLoc);
   }
   DeclSpec DS;
   SourceLocation Loc = Tok.getLocation();