v8/test/debugger/debug/debug-evaluate-locals-optimized.js

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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-gc
// Flags: --inline-construct
Debug = debug.Debug
var listenerComplete = false;
var exception = false;
var testingConstructCall = false;
var expected = [
{ locals: {i: 0, x0: 3, y0: 4, a0: 1, b0: 2},
args: { names: ["i", "x0", "y0"], values: [0, 3, 4] } },
{ locals: {i: 1, x1: 5, y1: 6, a1: 3, b1: 4},
args: { names: ["i", "x1", "y1"], values: [1, 5, 6] } },
{ locals: {i: 2, a2: 5, b2: 6},
args: { names: ["i"], values: [2] } },
{ locals: {i: 3, x3: 9, y3: 10, z3: undefined, a3: 7, b3: 8},
args: { names: ["i", "x3", "y3", "z3"], values: [3, 9, 10, undefined] } },
{ locals: {i: 4, x4: 11, y4: 12, a4: 9, b4: 10},
args: { names: ["i", "x4", "y4"], values: [4, 11, 12] } }
];
function listener(event, exec_state, event_data, data) {
try {
if (event == Debug.DebugEvent.Break)
{
assertEquals(6, exec_state.frameCount());
for (var i = 0; i < exec_state.frameCount(); i++) {
var frame = exec_state.frame(i);
if (i < exec_state.frameCount() - 1) {
var expected_args = expected[i].args;
var expected_locals = expected[i].locals;
// All frames except the bottom one have expected locals.
var locals = {};
for (var j = 0; j < frame.localCount(); j++) {
locals[frame.localName(j)] = frame.localValue(j).value();
}
assertPropertiesEqual(expected_locals, locals);
// All frames except the bottom one have three scopes.
assertEquals(3, frame.scopeCount());
assertEquals(debug.ScopeType.Local, frame.scope(0).scopeType());
assertEquals(debug.ScopeType.Script, frame.scope(1).scopeType());
assertEquals(debug.ScopeType.Global, frame.scope(2).scopeType());
Object.keys(expected_locals).forEach(function (name) {
assertEquals(expected_locals[name],
frame.scope(0).scopeObject().value()[name]);
});
for (var j = 0; j < expected_args.names.length; j++) {
var arg_name = expected_args.names[j];
var arg_value = expected_args.values[j];
assertEquals(arg_value,
frame.scope(0).scopeObject().value()[arg_name]);
}
// Evaluate in the inlined frame.
Object.keys(expected_locals).forEach(function (name) {
assertEquals(expected_locals[name], frame.evaluate(name).value());
});
for (var j = 0; j < expected_args.names.length; j++) {
var arg_name = expected_args.names[j];
var arg_value = expected_args.values[j];
assertEquals(arg_value, frame.evaluate(arg_name).value());
assertEquals(arg_value, frame.evaluate('arguments['+j+']').value());
}
} else {
// The bottom frame only have the script scope and the global scope.
assertEquals(2, frame.scopeCount());
assertEquals(debug.ScopeType.Script, frame.scope(0).scopeType());
assertEquals(debug.ScopeType.Global, frame.scope(1).scopeType());
}
// Check the frame function.
switch (i) {
case 0: assertEquals("h", frame.func().name()); break;
case 1: assertEquals("g3", frame.func().name()); break;
case 2: assertEquals("g2", frame.func().name()); break;
case 3: assertEquals("g1", frame.func().name()); break;
case 4: assertEquals("f", frame.func().name()); break;
case 5: break;
default: assertUnreachable();
}
}
// Indicate that all was processed.
listenerComplete = true;
}
} catch (e) {
exception = e.toString() + e.stack;
};
};
for (var i = 0; i < 4; i++) f(expected.length - 1, 11, 12);
%OptimizeFunctionOnNextCall(f);
f(expected.length - 1, 11, 12);
// Add the debug event listener.
Debug.setListener(listener);
function h(i, x0, y0) {
var a0 = expected[i].locals.a0;
var b0 = expected[i].locals.b0;
debugger; // Breakpoint.
return a0 + b0;
}
function g3(i, x1, y1) {
var a1 = expected[i].locals.a1;
var b1 = expected[i].locals.b1;
h(i - 1, a1, b1);
return a1 + b1;
}
function g2(i) {
var a2 = expected[i].locals.a2;
var b2 = expected[i].locals.b2;
g3(i - 1, a2, b2);
return a2 + b2;
}
function g1(i, x3, y3, z3) {
var a3 = expected[i].locals.a3;
var b3 = expected[i].locals.b3;
new g2(i - 1, a3, b3);
return a3 + b3;
}
function f(i, x4, y4) {
var a4 = expected[i].locals.a4;
var b4 = expected[i].locals.b4;
g1(i - 1, a4, b4);
return a4 + b4;
}
// Test calling f normally and as a constructor.
f(expected.length - 1, 11, 12);
f(expected.length - 1, 11, 12, 0);
testingConstructCall = true;
new f(expected.length - 1, 11, 12);
new f(expected.length - 1, 11, 12, 0);
// Make sure that the debug event listener was invoked.
assertFalse(exception, "exception in listener " + exception)
assertTrue(listenerComplete);
// Throw away type information for next run.
gc();
Debug.setListener(null);