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// Copyright 2012 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// Flags: --expose-debug-as debug
// Get the Debug object exposed from the debug context global object.
Debug = debug.Debug
var breaks = 0;
var exception = false;
function sendCommand(state, cmd) {
// Get the debug command processor in paused state.
var dcp = state.debugCommandProcessor(false);
var request = JSON.stringify(cmd);
var response = dcp.processDebugJSONRequest(request);
}
function listener(event, exec_state, event_data, data) {
try {
if (event == Debug.DebugEvent.Break) {
var line = event_data.sourceLineText();
print('break: ' + line);
assertEquals(-1, line.indexOf('NOBREAK'),
"should not break on unexpected lines")
assertEquals('BREAK ' + breaks, line.substr(-7));
breaks++;
if (breaks < 4) {
sendCommand(exec_state, {
seq: 0,
type: "request",
command: "continue",
arguments: { stepaction: "next" }
});
}
}
} catch (e) {
print(e);
exception = true;
}
}
// Add the debug event listener.
Debug.setListener(listener);
function a(f) {
if (f) { // NOBREAK: should not break here!
try {
f();
} catch(e) {
}
}
} // BREAK 2
function b() {
c(); // BREAK 0
} // BREAK 1
function c() {
a();
}
// Set a break point and call to invoke the debug event listener.
Debug.setBreakPoint(b, 0, 0);
a(b);
a(); // BREAK 3
assertFalse(exception);
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