dart/pkg/compiler/lib/src/scanner/parser_task.dart - Issue 808953004: Recover from fatal parser errors.

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Unified Diff: dart/pkg/compiler/lib/src/scanner/parser_task.dart

Issue 808953004: Recover from fatal parser errors. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge

Patch Set: Merged with r42860. Created 5 years, 11 months ago

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Index: dart/pkg/compiler/lib/src/scanner/parser_task.dart

diff --git a/dart/pkg/compiler/lib/src/scanner/parser_task.dart b/dart/pkg/compiler/lib/src/scanner/parser_task.dart

index 0a9b8493e46898aaecf4db6fad817c4a9f678930..af9a013ee54851e2477d638cfeffabcb9a9216c1 100644

--- a/dart/pkg/compiler/lib/src/scanner/parser_task.dart

+++ b/dart/pkg/compiler/lib/src/scanner/parser_task.dart

@@ -16,7 +16,12 @@ class ParserTask extends CompilerTask {

return measure(() {

NodeListener listener = new NodeListener(compiler, null);

Parser parser = new Parser(listener);

- parser.parseUnit(token);

+ try {

+ parser.parseUnit(token);

+ } on ParserError catch (e) {

+ assert(invariant(token, compiler.compilationFailed));

+ return listener.makeNodeList(0, null, null, '\n');

+ }

Node result = listener.popNode();

assert(listener.nodes.isEmpty);

return result;