antonm@google.com
d50b2bfb24
lib/compiler/implementation/dart_backend.dart R=ahe@google.com,smok@google.com Review URL: https://chromiumcodereview.appspot.com//10441044 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@8316 260f80e4-7a28-3924-810f-c04153c831b5
53 lines
1.9 KiB
Dart
53 lines
1.9 KiB
Dart
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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class ResolvedVisitor<R> implements Visitor<R> {
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TreeElements elements;
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ResolvedVisitor(this.elements);
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R visitSend(Send node) {
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if (node.isSuperCall) {
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return visitSuperSend(node);
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} else if (node.isOperator) {
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return visitOperatorSend(node);
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} else if (node.isPropertyAccess) {
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return visitGetterSend(node);
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} else if (Elements.isClosureSend(node, elements)) {
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return visitClosureSend(node);
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} else {
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Element element = elements[node];
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if (element === null) {
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// Example: f() with 'f' unbound.
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// This can only happen inside an instance method.
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return visitDynamicSend(node);
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} else if (element.kind == ElementKind.CLASS) {
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internalError("Cannot generate code for send", node: node);
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} else if (element.isInstanceMember()) {
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// Example: f() with 'f' bound to instance method.
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return visitDynamicSend(node);
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} else if (element.kind === ElementKind.FOREIGN) {
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return visitForeignSend(node);
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} else if (!element.isInstanceMember()) {
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// Example: A.f() or f() with 'f' bound to a static function.
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// Also includes new A() or new A.named() which is treated like a
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// static call to a factory.
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return visitStaticSend(node);
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} else {
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internalError("Cannot generate code for send", node: node);
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}
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}
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}
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abstract R visitSuperSend(Send node);
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abstract R visitOperatorSend(Send node);
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abstract R visitGetterSend(Send node);
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abstract R visitClosureSend(Send node);
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abstract R visitDynamicSend(Send node);
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abstract R visitForeignSend(Send node);
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abstract R visitStaticSend(Send node);
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abstract void internalError(String reason, [Node node]);
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}
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