sdk/lib/_internal/compiler/implementation/ordered_typeset.dart - Issue 267153002: Support general handling of type variables by substituting types into the current context.

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Unified Diff: sdk/lib/_internal/compiler/implementation/ordered_typeset.dart

Issue 267153002: Support general handling of type variables by substituting types into the current context. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart

Patch Set: Rebased + reinserted unalias Created 6 years, 7 months ago

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Index: sdk/lib/_internal/compiler/implementation/ordered_typeset.dart

diff --git a/sdk/lib/_internal/compiler/implementation/ordered_typeset.dart b/sdk/lib/_internal/compiler/implementation/ordered_typeset.dart

index 98cc60ac4e8c75f80cec7ba90bd2d8fc6fab749a..1ec9ff337306f58a08a0fb08e058388434cc4a12 100644

--- a/sdk/lib/_internal/compiler/implementation/ordered_typeset.dart

+++ b/sdk/lib/_internal/compiler/implementation/ordered_typeset.dart

@@ -87,6 +87,22 @@ class OrderedTypeSet {

}

+ InterfaceType asInstanceOf(ClassElement cls) {

+ int level = cls.hierarchyDepth;

+ if (level < levels) {

+ Link<DartType> pointer = _levels[level];

+ Link<DartType> end =

+ level > 0 ? _levels[level - 1] : const Link<DartType>();

+ while (!identical(pointer, end)) {

+ if (cls == pointer.head.element) {

+ return pointer.head;

+ }

+ pointer = pointer.tail;

+ }

+ return null;

+ }

String toString() => types.toString();

}