lib/compiler/implementation/resolver.dart - Issue 10540048: Implement 'as' operator.

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Unified Diff: lib/compiler/implementation/resolver.dart

Issue 10540048: Implement 'as' operator. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart

Patch Set: Update semantics to not throw on null. Merge to head. Created 8 years, 6 months ago

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Index: lib/compiler/implementation/resolver.dart

diff --git a/lib/compiler/implementation/resolver.dart b/lib/compiler/implementation/resolver.dart

index 3ab84c7dc809e0ce33018a5d292fe93d2917124b..f2432c35b0c9ac53b81d9607f5c45f46e25ede72 100644

--- a/lib/compiler/implementation/resolver.dart

+++ b/lib/compiler/implementation/resolver.dart

@@ -1050,7 +1050,7 @@ class ResolverVisitor extends CommonResolverVisitor<Element> {

Element target = resolveSend(node);

if (node.isOperator) {

Operator op = node.selector.asOperator();

- if (op.source.stringValue === 'is') {

+ if (op.source.stringValue === 'is' || op.source.stringValue === 'as') {

resolveTypeTest(node.arguments.head);

assert(node.arguments.tail.isEmpty());

mapping.setSelector(node, Selector.BINARY_OPERATOR);

@@ -1142,6 +1142,7 @@ class ResolverVisitor extends CommonResolverVisitor<Element> {

case '&&':

case '||':

case 'is':

+ case 'as':

case '>>>':

return null;

}