MC/AsmParser: Fix a bug in macro argument parsing, which was dropping
parentheses from argument lists.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110692 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/MCParser/AsmParser.cpp b/lib/MC/MCParser/AsmParser.cpp
index f4de09a..70a37e3 100644
--- a/lib/MC/MCParser/AsmParser.cpp
+++ b/lib/MC/MCParser/AsmParser.cpp
@@ -1032,12 +1032,14 @@
// list.
if (ParenLevel == 0 && Lexer.is(AsmToken::Comma)) {
MacroArguments.push_back(std::vector<AsmToken>());
- } else if (Lexer.is(AsmToken::LParen)) {
- ++ParenLevel;
- } else if (Lexer.is(AsmToken::RParen)) {
- if (ParenLevel)
- --ParenLevel;
} else {
+ // Adjust the current parentheses level.
+ if (Lexer.is(AsmToken::LParen))
+ ++ParenLevel;
+ else if (Lexer.is(AsmToken::RParen) && ParenLevel)
+ --ParenLevel;
+
+ // Append the token to the current argument list.
MacroArguments.back().push_back(getTok());
}
Lex();