86 lines
2.8 KiB
JavaScript
86 lines
2.8 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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var breaks = 0;
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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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}
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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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assertEquals(-1, line.indexOf('NOBREAK'),
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"should not break on unexpected lines")
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assertEquals('BREAK ' + breaks, line.substr(-7));
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breaks++;
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sendCommand(exec_state, {
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seq: 0,
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type: "request",
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command: "continue",
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arguments: { stepaction: "next" }
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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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// Add the debug event listener.
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Debug.setListener(listener);
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function a(f) {
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if (f) { // NOBREAK: should not break here!
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try {
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f();
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} catch(e) {
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}
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}
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} // BREAK 2
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function b() {
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c(); // BREAK 0
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} // BREAK 1
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function c() {
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a();
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}
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// Set a break point and call to invoke the debug event listener.
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Debug.setBreakPoint(b, 0, 0);
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a(b);
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// BREAK 3
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