Merge pull request #251 from jow-/fix-parsing-kwlabels-after-comments

lexer: Preserve keyword, regexp flags until processing non-comment to…
jow- · Dec 6, 2024 · 9150505 · 9150505
2 parents 3f7035c + 9bcd25f
commit 9150505
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Showing 2 changed files with 24 additions and 2 deletions.
diff --git a/lexer.c b/lexer.c
@@ -1176,8 +1176,10 @@ uc_lexer_next_token(uc_lexer_t *lex)
 
 	rv = lex_step(lex);
 
-	lex->no_keyword = false;
-	lex->no_regexp = false;
+	if (rv && rv->type != TK_COMMENT) {
+		lex->no_keyword = false;
+		lex->no_regexp = false;
+	}
 
 	return rv;
 }

diff --git a/tests/custom/99_bugs/51_preserve_lexer_flags b/tests/custom/99_bugs/51_preserve_lexer_flags
@@ -0,0 +1,20 @@
+Ensure keyword and regexp flags are preserved across comments when lexing
+object literals and division operators.
+
+-- Testcase --
+{%
+	printf("%.J\n", [
+		{ /* comment */ default: true },
+		4 /* comment */ /2/1
+	]);
+%}
+-- End --
+
+-- Expect stdout --
+[
+	{
+		"default": true
+	},
+	2
+]
+-- End --