a668cd6fc8
This adds context deoptimization to Turbofan and Crankshaft (also submitted separately as https://codereview.chromium.org/515723004/). The second patchset removes the deoptimization/continuation block from calls. BUG= R=bmeurer@chromium.org Review URL: https://codereview.chromium.org/522873002 git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23547 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
124 lines
4.5 KiB
JavaScript
124 lines
4.5 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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// Flags: --turbo-deoptimization
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// Get the Debug object exposed from the debug context global object.
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var Debug = debug.Debug
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// Simple function which stores the last debug event.
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var listenerComplete = false;
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var exception = false;
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var base_request = '"seq":0,"type":"request","command":"clearbreakpointgroup"';
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var scriptId = null;
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function safeEval(code) {
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try {
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return eval('(' + code + ')');
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} catch (e) {
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assertEquals(void 0, e);
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return undefined;
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}
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}
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function testArguments(dcp, arguments, success) {
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var request = '{' + base_request + ',"arguments":' + arguments + '}'
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var json_response = dcp.processDebugJSONRequest(request);
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var response = safeEval(json_response);
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if (success) {
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assertTrue(response.success, json_response);
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} else {
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assertFalse(response.success, json_response);
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}
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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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// Get the debug command processor.
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var dcp = exec_state.debugCommandProcessor("unspecified_running_state");
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// Clear breakpoint group 1.
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testArguments(dcp, '{"groupId":1}', true);
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// Indicate that all was processed.
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listenerComplete = true;
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} else if (event == Debug.DebugEvent.AfterCompile) {
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scriptId = event_data.script().id();
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assertEquals(source, event_data.script().source());
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}
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} catch (e) {
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exception = 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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var source = 'function f(n) {\nreturn n+1;\n}\nfunction g() {return f(10);}' +
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'\nvar r = g(); g;';
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eval(source);
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assertNotNull(scriptId);
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var groupId1 = 1;
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var groupId2 = 2;
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// Set a break point and call to invoke the debug event listener.
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var bp1 = Debug.setScriptBreakPointById(scriptId, 1, null, null, groupId1);
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var bp2 = Debug.setScriptBreakPointById(scriptId, 1, null, null, groupId2);
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var bp3 = Debug.setScriptBreakPointById(scriptId, 1, null, null, null);
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var bp4 = Debug.setScriptBreakPointById(scriptId, 3, null, null, groupId1);
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var bp5 = Debug.setScriptBreakPointById(scriptId, 4, null, null, groupId2);
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assertEquals(5, Debug.scriptBreakPoints().length);
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// Call function 'g' from the compiled script to trigger breakpoint.
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g();
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// Make sure that the debug event listener vas invoked.
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assertTrue(listenerComplete,
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"listener did not run to completion: " + exception);
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var breakpoints = Debug.scriptBreakPoints();
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assertEquals(3, breakpoints.length);
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var breakpointNumbers = breakpoints.map(
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function(scriptBreakpoint) { return scriptBreakpoint.number(); },
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breakpointNumbers);
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// Check that all breakpoints from group 1 were deleted and all the
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// rest are preserved.
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assertEquals([bp2, bp3, bp5].sort(), breakpointNumbers.sort());
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assertFalse(exception, "exception in listener");
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// Clear all breakpoints to allow the test to run again (--stress-opt).
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Debug.clearBreakPoint(bp2);
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Debug.clearBreakPoint(bp3);
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Debug.clearBreakPoint(bp5);
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