jmesserly@google.com
9e5b240923
deleted files that duplicate those in the Dart repository (LICENSE, pubspec.yaml, codereview.settings, .gitignore) Otherwise, just changed pkg.status and pubspec R=terry@google.com Review URL: https://codereview.chromium.org//23168002 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@26155 260f80e4-7a28-3924-810f-c04153c831b5
54 lines
1.5 KiB
Dart
54 lines
1.5 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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part of csslib.parser;
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/**
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* A single token in the Dart language.
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*/
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class Token {
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/** A member of [TokenKind] specifying what kind of token this is. */
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final int kind;
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/** The location where this token was parsed from. */
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final Span span;
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/** The start offset of this token. */
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int get start => span.start.offset;
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/** The end offset of this token. */
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int get end => span.end.offset;
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/** Returns the source text corresponding to this [Token]. */
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String get text => span.text;
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Token(this.kind, this.span);
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/** Returns a pretty representation of this token for error messages. **/
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String toString() {
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var kindText = TokenKind.kindToString(kind);
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var actualText = text;
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if (kindText != actualText) {
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if (actualText.length > 10) {
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actualText = '${actualText.substring(0, 8)}...';
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}
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return '$kindText($actualText)';
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} else {
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return kindText;
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}
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}
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}
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/** A token containing a parsed literal value. */
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class LiteralToken extends Token {
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var value;
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LiteralToken(int kind, Span span, this.value) : super(kind, span);
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}
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/** A token containing error information. */
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class ErrorToken extends Token {
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String message;
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ErrorToken(int kind, Span span, this.message) : super(kind, span);
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}
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