[llvm-commits] [llvm] r74728 - /llvm/trunk/tools/llvm-mc/AsmParser.cpp

[Chris Lattner]

Author: lattner
Date: Thu Jul  2 16:53:43 2009
New Revision: 74728

URL: http://llvm.org/viewvc/llvm-project?rev=74728&view=rev
Log:
implement error recovery in the llvm-mc parser.  Feel the power!

Modified:
    llvm/trunk/tools/llvm-mc/AsmParser.cpp

Modified: llvm/trunk/tools/llvm-mc/AsmParser.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/llvm-mc/AsmParser.cpp?rev=74728&r1=74727&r2=74728&view=diff

==============================================================================
--- llvm/trunk/tools/llvm-mc/AsmParser.cpp (original)
+++ llvm/trunk/tools/llvm-mc/AsmParser.cpp Thu Jul  2 16:53:43 2009
@@ -40,11 +40,18 @@
   // Prime the lexer.
   Lexer.Lex();
   
-  while (Lexer.isNot(asmtok::Eof))
-    if (ParseStatement())
-      return true;
+  bool HadError = false;
   
-  return false;
+  // While we have input, parse each statement.
+  while (Lexer.isNot(asmtok::Eof)) {
+    if (!ParseStatement()) continue;
+  
+    // If we had an error, remember it and recover by skipping to the next line.
+    HadError = true;
+    EatToEndOfStatement();
+  }
+  
+  return HadError;
 }
 
 /// EatToEndOfStatement - Throw away the rest of the line for testing purposes.