9937d0c462
R=clemensh@chromium.org BUG=v8:6127 Change-Id: Id77e8eef3ad909608a5d32fa7373077540e201c7 Reviewed-on: https://chromium-review.googlesource.com/461824 Reviewed-by: Clemens Hammacher <clemensh@chromium.org> Commit-Queue: Michael Starzinger <mstarzinger@chromium.org> Cr-Commit-Position: refs/heads/master@{#44223}
83 lines
2.1 KiB
JavaScript
83 lines
2.1 KiB
JavaScript
// Copyright 2016 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --expose-wasm --validate-asm
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Debug = debug.Debug
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// Initialized in setup().
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var exception;
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var break_count;
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var num_wasm_scripts;
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var module;
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var expected_stack_entries = [];
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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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++break_count;
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// Request frame details.
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var num_frames = exec_state.frameCount();
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assertEquals(
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expected_stack_entries.length, num_frames, 'number of frames');
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print('Stack Trace (length ' + num_frames + '):');
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for (var i = 0; i < num_frames; ++i) {
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var frame = exec_state.frame(i);
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var line = frame.sourceLine();
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var column = frame.sourceColumn() + 1;
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var funcName = frame.func().name();
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print(
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' [' + i + '] ' + funcName + ' (' + line + ':' + column + ')');
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assertEquals(
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expected_stack_entries[i][0], funcName, 'function name at ' + i);
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assertEquals(expected_stack_entries[i][1], line, 'line at ' + i);
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assertEquals(expected_stack_entries[i][2], column, 'column at ' + i);
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}
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}
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} catch (e) {
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print('exception: ' + e);
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exception = e;
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}
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};
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function generateWasmFromAsmJs(stdlib, foreign, heap) {
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'use asm';
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var debugger_fun = foreign.call_debugger;
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function callDebugger() {
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debugger_fun();
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}
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function redirectFun() {
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callDebugger();
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}
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return redirectFun;
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}
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function call_debugger() {
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debugger;
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}
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function setup() {
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exception = null;
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break_count = 0;
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}
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(function FrameInspection() {
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setup();
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var fun =
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generateWasmFromAsmJs(this, {'call_debugger': call_debugger}, undefined);
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expected_stack_entries = [
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['call_debugger', 58, 3], // --
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['callDebugger', 49, 5], // --
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['redirectFun', 52, 5], // --
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['FrameInspection', 78, 3], // --
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['', 82, 3]
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];
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Debug.setListener(listener);
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fun();
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Debug.setListener(null);
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assertEquals(1, break_count);
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if (exception) throw exception;
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})();
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