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157 lines
4.8 KiB
157 lines
4.8 KiB
// Copyright 2012 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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var Debug = debug.Debug;
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function CheckScope(scope_mirror, scope_expectations, expected_scope_type) {
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assertEquals(expected_scope_type, scope_mirror.scopeType());
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var scope_object = scope_mirror.scopeObject().value();
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for (var name in scope_expectations) {
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var actual = scope_object[name];
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var expected = scope_expectations[name];
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assertEquals(expected, actual);
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}
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}
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var ScopeType = debug.ScopeType;
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var f1 = (function F1(x) {
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function F2(y) {
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var z = x + y;
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with ({w: 5, v: "Capybara"}) {
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var F3 = function(a, b) {
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function F4(p) {
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return p + a + b + z + w + v.length;
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}
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return F4;
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}
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return F3(4, 5);
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}
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}
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return F2(17);
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})(5);
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var mirror = Debug.MakeMirror(f1);
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assertEquals(6, mirror.scopeCount());
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CheckScope(mirror.scope(0), { a: 4, b: 5 }, ScopeType.Closure);
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CheckScope(mirror.scope(1), { w: 5, v: "Capybara" }, ScopeType.With);
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CheckScope(mirror.scope(2), { z: 22 }, ScopeType.Closure);
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CheckScope(mirror.scope(3), { x: 5 }, ScopeType.Closure);
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CheckScope(mirror.scope(4), {}, ScopeType.Script);
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CheckScope(mirror.scope(5), {}, ScopeType.Global);
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var f2 = function() { return 5; }
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var mirror = Debug.MakeMirror(f2);
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assertEquals(2, mirror.scopeCount());
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CheckScope(mirror.scope(0), {}, ScopeType.Script);
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CheckScope(mirror.scope(1), {}, ScopeType.Global);
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var f3 = (function F1(invisible_parameter) {
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var invisible1 = 1;
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var visible1 = 10;
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return (function F2() {
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var invisible2 = 2;
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return (function F3() {
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var visible2 = 20;
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var invisible2 = 3;
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return (function () {return visible1 + visible2 + visible1a;});
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})();
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})();
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})(5);
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var mirror = Debug.MakeMirror(f3);
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assertEquals(4, mirror.scopeCount());
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CheckScope(mirror.scope(0), { visible2: 20 }, ScopeType.Closure);
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CheckScope(mirror.scope(1), { visible1: 10 }, ScopeType.Closure);
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CheckScope(mirror.scope(2), {}, ScopeType.Script);
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CheckScope(mirror.scope(3), {}, ScopeType.Global);
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var f4 = (function One() {
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try {
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throw "I'm error 1";
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} catch (e1) {
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try {
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throw "I'm error 2";
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} catch (e2) {
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return function GetError() {
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return e1 + e2;
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};
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}
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}
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})();
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var mirror = Debug.MakeMirror(f4);
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assertEquals(4, mirror.scopeCount());
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CheckScope(mirror.scope(0), { e2: "I'm error 2" }, ScopeType.Catch);
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CheckScope(mirror.scope(1), { e1: "I'm error 1" }, ScopeType.Catch);
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CheckScope(mirror.scope(2), {}, ScopeType.Script);
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CheckScope(mirror.scope(3), {}, ScopeType.Global);
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var f5 = (function Raz(p1, p2) {
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var p3 = p1 + p2;
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return (function() {
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var p4 = 20;
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var p5 = 21;
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var p6 = 22;
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return eval("(function(p7){return p1 + p4 + p6 + p7})");
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})();
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})(1,2);
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var mirror = Debug.MakeMirror(f5);
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assertEquals(4, mirror.scopeCount());
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CheckScope(mirror.scope(0), { p4: 20, p6: 22 }, ScopeType.Closure);
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CheckScope(mirror.scope(1), { p1: 1 }, ScopeType.Closure);
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CheckScope(mirror.scope(2), {}, ScopeType.Script);
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CheckScope(mirror.scope(3), {}, ScopeType.Global);
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function CheckNoScopeVisible(f) {
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var mirror = Debug.MakeMirror(f);
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assertEquals(0, mirror.scopeCount());
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}
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CheckNoScopeVisible(Number);
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CheckNoScopeVisible(Function.toString);
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