the end of the line on a parser error, allowing skipping to happen
for syntactic errors but not for semantic errors. Before we would
miss emitting a diagnostic about the second line, because we skipped
it due to the semantic error on the first line:
foo %eax
bar %al
This fixes rdar://
8414033 - llvm-mc ignores lines after an invalid instruction mnemonic errors
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113688
91177308-0d34-0410-b5e6-
96231b3b80d8
/// will be either the EndOfStatement or EOF.
virtual StringRef ParseStringToEndOfStatement() = 0;
+ /// EatToEndOfStatement - Skip to the end of the current statement, for error
+ /// recovery.
+ virtual void EatToEndOfStatement() = 0;
+
/// ParseExpression - Parse an arbitrary expression.
///
/// @param Res - The value of the expression. The result is undefined
for (unsigned i = 0, e = ParsedOperands.size(); i != e; ++i)
delete ParsedOperands[i];
- return HadError;
+ // Don't skip the rest of the line, the instruction parser is responsible for
+ // that.
+ return false;
}
MacroInstantiation::MacroInstantiation(const Macro *M, SMLoc IL, SMLoc EL,
if (getLexer().isNot(AsmToken::EndOfStatement)) {
// Read the first operand.
OwningPtr<ARMOperand> Op;
- if (ParseOperand(Op)) return true;
+ if (ParseOperand(Op)) {
+ Parser.EatToEndOfStatement();
+ return true;
+ }
Operands.push_back(Op.take());
while (getLexer().is(AsmToken::Comma)) {
Parser.Lex(); // Eat the comma.
// Parse and remember the operand.
- if (ParseOperand(Op)) return true;
+ if (ParseOperand(Op)) {
+ Parser.EatToEndOfStatement();
+ return true;
+ }
Operands.push_back(Op.take());
}
}
- if (getLexer().isNot(AsmToken::EndOfStatement))
+ if (getLexer().isNot(AsmToken::EndOfStatement)) {
+ Parser.EatToEndOfStatement();
return TokError("unexpected token in argument list");
+ }
Parser.Lex(); // Consume the EndOfStatement
-
return false;
}
// Read the first operand.
if (X86Operand *Op = ParseOperand())
Operands.push_back(Op);
- else
+ else {
+ Parser.EatToEndOfStatement();
return true;
+ }
while (getLexer().is(AsmToken::Comma)) {
Parser.Lex(); // Eat the comma.
// Parse and remember the operand.
if (X86Operand *Op = ParseOperand())
Operands.push_back(Op);
- else
+ else {
+ Parser.EatToEndOfStatement();
return true;
+ }
}
- if (getLexer().isNot(AsmToken::EndOfStatement))
+ if (getLexer().isNot(AsmToken::EndOfStatement)) {
+ Parser.EatToEndOfStatement();
return TokError("unexpected token in argument list");
+ }
}
if (getLexer().is(AsmToken::EndOfStatement))