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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-debug-as debug
// 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 (var name in scope_expectations) {
var actual = scope_object[name];
var 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 };
var f1 = (function F1(x) {
function F2(y) {
var z = x + y;
with ({w: 5, 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), { w: 5, v: "Capybara" }, ScopeType.With);
CheckScope(mirror.scope(2), { y: 17, z: 22 }, ScopeType.Closure);
CheckScope(mirror.scope(3), { x: 5 }, ScopeType.Closure);
CheckScope(mirror.scope(4), {}, ScopeType.Global);
var f2 = function() { return 5; }
var mirror = Debug.MakeMirror(f2);
assertEquals(1, mirror.scopeCount());
CheckScope(mirror.scope(0), {}, ScopeType.Global);
var f3 = (function F1(invisible_parameter) {
var invisible1 = 1;
var visible1 = 10;
return (function F2() {
var invisible2 = 2;
return (function F3() {
var visible2 = 20;
var invisible2 = 3;
return (function () {return visible1 + visible2 + visible1a;});
})();
})();
})(5);
var mirror = Debug.MakeMirror(f3);
assertEquals(3, mirror.scopeCount());
CheckScope(mirror.scope(0), { visible2: 20 }, ScopeType.Closure);
CheckScope(mirror.scope(1), { visible1: 10 }, ScopeType.Closure);
CheckScope(mirror.scope(2), {}, ScopeType.Global);
var f4 = (function One() {
try {
throw "I'm error 1";
} catch (e1) {
try {
throw "I'm error 2";
} catch (e2) {
return function GetError() {
return e1 + e2;
};
}
}
})();
var mirror = Debug.MakeMirror(f4);
assertEquals(3, mirror.scopeCount());
CheckScope(mirror.scope(0), { e2: "I'm error 2" }, ScopeType.Catch);
CheckScope(mirror.scope(1), { e1: "I'm error 1" }, ScopeType.Catch);
CheckScope(mirror.scope(2), {}, ScopeType.Global);
var f5 = (function Raz(p1, p2) {
var p3 = p1 + p2;
return (function() {
var p4 = 20;
var p5 = 21;
var p6 = 22;
return eval("(function(p7){return p1 + p4 + p6 + p7})");
})();
})(1,2);
var mirror = Debug.MakeMirror(f5);
assertEquals(3, mirror.scopeCount());
CheckScope(mirror.scope(0), { p4: 20, p6: 22 }, ScopeType.Closure);
CheckScope(mirror.scope(1), { p1: 1 }, ScopeType.Closure);
CheckScope(mirror.scope(2), {}, ScopeType.Global);
function CheckNoScopeVisible(f) {
var mirror = Debug.MakeMirror(f);
assertEquals(0, mirror.scopeCount());
}
CheckNoScopeVisible(Number);
CheckNoScopeVisible(Function.toString);
// This getter is known to be implemented as closure.
CheckNoScopeVisible(new Error().__lookupGetter__("stack"));
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