ab54e95377
BreakLocationIterator changed to treat 'debugger;' statements as a possible break location. Since 'debugger;' statement should always invoke debugger it is hanled in a special way. Related Chromium issue: http://code.google.com/p/chromium/issues/detail?id=17978 Review URL: http://codereview.chromium.org/195015 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2830 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
88 lines
3.1 KiB
JavaScript
88 lines
3.1 KiB
JavaScript
// Copyright 2008 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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// Simple debug event handler which counts the number of breaks hit and steps.
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var break_break_point_hit_count = 0;
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function listener(event, exec_state, event_data, data) {
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if (event == Debug.DebugEvent.Break) {
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break_break_point_hit_count++;
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// Continue stepping until returned to bottom frame.
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if (exec_state.frameCount() > 1) {
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exec_state.prepareStep(Debug.StepAction.StepIn);
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}
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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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// Use 'eval' to ensure that the call to print is through CodeStub CallFunction.
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// See Ia32CodeGenerator::VisitCall and Ia32CodeGenerator::CallWithArguments.
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function f() {
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debugger;
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eval('');
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print('Hello, world!');
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};
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break_break_point_hit_count = 0;
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f();
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assertEquals(6, break_break_point_hit_count);
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// Use an inner function to ensure that the function call is through CodeStub
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// CallFunction see Ia32CodeGenerator::VisitCall and
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// Ia32CodeGenerator::CallWithArguments.
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function g() {
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function h() {}
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debugger;
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h();
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};
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break_break_point_hit_count = 0;
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g();
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assertEquals(5, break_break_point_hit_count);
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// Use an inner function to ensure that the function call is through CodeStub
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// CallFunction.
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function testCallInExpreesion() {
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function h() {}
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debugger;
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var x = 's' + h(10, 20);
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};
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break_break_point_hit_count = 0;
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testCallInExpreesion();
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assertEquals(5, break_break_point_hit_count);
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// Get rid of the debug event listener.
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Debug.setListener(null);
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