implement error recovery in the llvm-mc parser. Feel the power!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74728 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/llvm-mc/AsmParser.cpp b/tools/llvm-mc/AsmParser.cpp
index 339a16d..f5bf589 100644
--- a/tools/llvm-mc/AsmParser.cpp
+++ b/tools/llvm-mc/AsmParser.cpp
@@ -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.