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Unified Diff: pkg/front_end/lib/src/fasta/parser/parser.dart

Issue 3010713002: improve recovery of invalid top level abstract modifier usage (Closed)
Patch Set: rebase Created 3 years, 4 months ago
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Index: pkg/front_end/lib/src/fasta/parser/parser.dart
diff --git a/pkg/front_end/lib/src/fasta/parser/parser.dart b/pkg/front_end/lib/src/fasta/parser/parser.dart
index 725cb2871e2cb57cb66975e27a5d62cb7e24e1e2..f903a8b597cdd4b9bd9acff7d4c602147693a562 100644
--- a/pkg/front_end/lib/src/fasta/parser/parser.dart
+++ b/pkg/front_end/lib/src/fasta/parser/parser.dart
@@ -270,9 +270,16 @@ class Parser {
return parseScript(token);
}
token = parseMetadataStar(token);
- final String value = token.stringValue;
- if ((identical(value, 'abstract') && optional('class', token.next)) ||
- identical(value, 'class')) {
+ String value = token.stringValue;
+ if (identical(value, 'abstract')) {
+ if (optional('class', token.next)) {
+ return parseClassOrNamedMixinApplication(token);
+ }
+ reportRecoverableErrorWithToken(token, fasta.templateExtraneousModifier);
+ token = token.next;
+ value = token.stringValue;
+ }
+ if (identical(value, 'class')) {
return parseClassOrNamedMixinApplication(token);
} else if (identical(value, 'enum')) {
return parseEnum(token);
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