nweiz@google.com
031c343cae
This adds a function to convert a Trace to a VM-style StackTrace object, and to parse a Trace-style string into a Trace. R=jmesserly@google.com Review URL: https://codereview.chromium.org//18029023 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@24611 260f80e4-7a28-3924-810f-c04153c831b5
32 lines
1015 B
Dart
32 lines
1015 B
Dart
// Copyright (c) 2013, 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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library vm_trace;
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import 'frame.dart';
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import 'utils.dart';
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/// An implementation of [StackTrace] that emulates the behavior of the VM's
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/// implementation.
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///
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/// In particular, when [toString] is called, this returns a string in the VM's
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/// stack trace format.
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class VMTrace implements StackTrace {
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/// The stack frames that comprise this stack trace.
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final List<Frame> frames;
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VMTrace(this.frames);
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String toString() {
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var i = 1;
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return frames.map((frame) {
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var number = padRight("#${i++}", 8);
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var member = frame.member.replaceAll("<fn>", "<anonymous closure>");
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var line = frame.line == null ? 0 : frame.line;
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var column = frame.column == null ? 0 : frame.column;
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return "$number$member (${frame.uri}:$line:$column)\n";
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}).join();
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}
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}
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