92138c73a7
We have been shipping harmony scoping for 2 Chrome releases now (M41 and M42). Time to remove the flag. R=rossberg@chromium.org LOG=Y Review URL: https://codereview.chromium.org/1007783002 Cr-Commit-Position: refs/heads/master@{#27187}
120 lines
3.9 KiB
JavaScript
120 lines
3.9 KiB
JavaScript
// 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-debug-as debug
|
|
|
|
"use strict";
|
|
let top_level_let = 255;
|
|
|
|
// Get the Debug object exposed from the debug context global object.
|
|
var Debug = debug.Debug;
|
|
|
|
function CheckScope(scope_mirror, scope_expectations, expected_scope_type) {
|
|
assertEquals(expected_scope_type, scope_mirror.scopeType());
|
|
|
|
var scope_object = scope_mirror.scopeObject().value();
|
|
|
|
for (let name in scope_expectations) {
|
|
let actual = scope_object[name];
|
|
let expected = scope_expectations[name];
|
|
assertEquals(expected, actual);
|
|
}
|
|
}
|
|
|
|
// A copy of the scope types from mirror-debugger.js.
|
|
var ScopeType = { Global: 0,
|
|
Local: 1,
|
|
With: 2,
|
|
Closure: 3,
|
|
Catch: 4,
|
|
Block: 5,
|
|
Script: 6};
|
|
|
|
var f1 = (function F1(x) {
|
|
function F2(y) {
|
|
var z = x + y;
|
|
{
|
|
var w = 5;
|
|
var v = "Capybara";
|
|
var F3 = function(a, b) {
|
|
function F4(p) {
|
|
return p + a + b + z + w + v.length;
|
|
}
|
|
return F4;
|
|
}
|
|
return F3(4, 5);
|
|
}
|
|
}
|
|
return F2(17);
|
|
})(5);
|
|
|
|
var mirror = Debug.MakeMirror(f1);
|
|
|
|
assertEquals(5, mirror.scopeCount());
|
|
|
|
CheckScope(mirror.scope(0), { a: 4, b: 5 }, ScopeType.Closure);
|
|
CheckScope(mirror.scope(1), { z: 22, w: 5, v: "Capybara" }, ScopeType.Closure);
|
|
CheckScope(mirror.scope(2), { x: 5 }, ScopeType.Closure);
|
|
CheckScope(mirror.scope(3), { top_level_let: 255 }, ScopeType.Script);
|
|
CheckScope(mirror.scope(4), {}, ScopeType.Global);
|
|
|
|
var f2 = (function() {
|
|
var v1 = 3;
|
|
var v2 = 4;
|
|
let l0 = 0;
|
|
{
|
|
var v3 = 5;
|
|
let l1 = 6;
|
|
let l2 = 7;
|
|
{
|
|
var v4 = 8;
|
|
let l3 = 9;
|
|
{
|
|
var v5 = "Cat";
|
|
let l4 = 11;
|
|
var v6 = l4;
|
|
return function() {
|
|
return l0 + v1 + v3 + l2 + l3 + v6;
|
|
};
|
|
}
|
|
}
|
|
}
|
|
})();
|
|
|
|
var mirror = Debug.MakeMirror(f2);
|
|
|
|
assertEquals(6, mirror.scopeCount());
|
|
|
|
// Implementation artifact: l4 isn't used in closure, but still it is saved.
|
|
CheckScope(mirror.scope(0), { l4: 11 }, ScopeType.Block);
|
|
|
|
CheckScope(mirror.scope(1), { l3: 9 }, ScopeType.Block);
|
|
CheckScope(mirror.scope(2), { l1: 6, l2: 7 }, ScopeType.Block);
|
|
CheckScope(mirror.scope(3), { v1:3, l0: 0, v3: 5, v6: 11 }, ScopeType.Closure);
|
|
CheckScope(mirror.scope(4), { top_level_let: 255 }, ScopeType.Script);
|
|
CheckScope(mirror.scope(5), {}, ScopeType.Global);
|