78 lines
2.7 KiB
JavaScript
78 lines
2.7 KiB
JavaScript
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// Copyright 2011 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Flags: --expose-debug-as debug
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// Get the Debug object exposed from the debug context global object.
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Debug = debug.Debug;
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function sendCommand(state, cmd) {
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// Get the debug command processor in paused state.
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var dcp = state.debugCommandProcessor(false);
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var request = JSON.stringify(cmd);
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var response = dcp.processDebugJSONRequest(request);
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return JSON.parse(response);
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}
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function listener(event, exec_state, event_data, data) {
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try {
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if (event == Debug.DebugEvent.Break) {
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var line = event_data.sourceLineText();
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print('break: ' + line);
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var frame = sendCommand(exec_state, {
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seq: 0,
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type: "request",
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command: "frame"
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});
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sendCommand(exec_state, {
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seq: 0,
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type: "request",
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command: "evaluate",
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arguments: {
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expression: "obj.x.toString()",
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additional_context: [{
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name: "obj",
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handle: frame.body.receiver.ref
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}]
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}
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});
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}
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} catch (e) {
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print(e);
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}
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}
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Debug.setListener(listener);
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function a(x, y) {
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this.x = x;
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this.y = y;
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}
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Debug.setBreakPoint(a, 0, 0);
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new a(1, 2);
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