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103 lines
3.3 KiB
103 lines
3.3 KiB
// 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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// Tests how debugger can step over not necessarily in the top frame.
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// Simple 3 functions, that protocol their execution state in global
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// variable state.
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var state;
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function f() {
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var a = 1978;
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for (state[2] = 0; state[2] < 3; state[2]++) {
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void String(a);
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}
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}
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function g() {
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for (state[1] = 0; state[1] < 3; state[1]++) {
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f();
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}
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}
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function h() {
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state = [-1, -1, -1];
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for (state[0] = 0; state[0] < 3; state[0]++) {
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g();
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}
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}
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function TestCase(expected_final_state) {
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var listener_exception = null;
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var state_snapshot;
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var listener_state;
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var bp;
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function listener(event, exec_state, event_data, data) {
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print("Here ("+event+"/"+listener_state+"): " +
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exec_state.frame(0).sourceLineText());
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try {
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if (event == Debug.DebugEvent.Break) {
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if (listener_state == 0) {
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Debug.clearBreakPoint(bp);
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exec_state.prepareStep(Debug.StepAction.StepNext);
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listener_state = 1;
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} else if (listener_state == 1) {
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state_snapshot = String(state);
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print("State: " + state_snapshot);
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Debug.setListener(null);
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listener_state = 2;
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}
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}
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} catch (e) {
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listener_exception = e;
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}
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}
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// Add the debug event listener.
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listener_state = 0;
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Debug.setListener(listener);
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bp = Debug.setBreakPoint(f, 1);
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h();
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Debug.setListener(null);
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if (listener_exception !== null) {
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print("Exception caught: " + listener_exception);
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assertUnreachable();
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}
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assertEquals(expected_final_state, state_snapshot);
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}
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// Warm-up -- make sure all is compiled and ready for breakpoint.
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h();
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TestCase("0,0,-1");
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