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[V8] Add name of function for function's closure scope

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Added ScopeDetails.name field for closure scopes. It contains function's debug name of current context of scope.

BUG=493156
LOG=Y
R=yurys@chromium.org,yangguo@chromium.org

Review URL: https://codereview.chromium.org/1375813002

Cr-Commit-Position: refs/heads/master@{#31028}
This commit is contained in:
kozyatinskiy 2015-09-30 10:24:25 -07:00 committed by Commit bot
parent 623e802132
commit ce54e16270
4 changed files with 52 additions and 1 deletions
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6
src/debug/debug-scopes.cc
View File

@ -132,6 +132,12 @@ MUST_USE_RESULT MaybeHandle<JSObject> ScopeIterator::MaterializeScopeDetails() {
Handle<JSObject> scope_object;
ASSIGN_RETURN_ON_EXCEPTION(isolate_, scope_object, ScopeObject(), JSObject);
details->set(kScopeDetailsObjectIndex, *scope_object);
if (HasContext() && CurrentContext()->closure() != NULL) {
Handle<String> closure_name = JSFunction::GetDebugName(
Handle<JSFunction>(CurrentContext()->closure()));
if (!closure_name.is_null() && (closure_name->length() != 0))
details->set(kScopeDetailsNameIndex, *closure_name);
}
return isolate_->factory()->NewJSArrayWithElements(details);
}

3
src/debug/debug-scopes.h
View File

@ -30,7 +30,8 @@ class ScopeIterator {
static const int kScopeDetailsTypeIndex = 0;
static const int kScopeDetailsObjectIndex = 1;
static const int kScopeDetailsSize = 2;
static const int kScopeDetailsNameIndex = 2;
static const int kScopeDetailsSize = 3;
ScopeIterator(Isolate* isolate, FrameInspector* frame_inspector,
bool ignore_nested_scopes = false);

10
src/debug/mirrors.js
View File

@ -2233,8 +2233,10 @@ FrameMirror.prototype.toText = function(opt_locals) {
};
// This indexes correspond definitions in debug-scopes.h.
var kScopeDetailsTypeIndex = 0;
var kScopeDetailsObjectIndex = 1;
var kScopeDetailsNameIndex = 2;
function ScopeDetails(frame, fun, index, opt_details) {
if (frame) {
@ -2271,6 +2273,14 @@ ScopeDetails.prototype.object = function() {
};
ScopeDetails.prototype.name = function() {
if (!IS_UNDEFINED(this.break_id_)) {
%CheckExecutionState(this.break_id_);
}
return this.details_[kScopeDetailsNameIndex];
};
ScopeDetails.prototype.setVariableValueImpl = function(name, new_value) {
var raw_res;
if (!IS_UNDEFINED(this.break_id_)) {

34
test/mjsunit/debug-scopes.js
View File

@ -145,6 +145,18 @@ function CheckScopeChain(scopes, exec_state) {
}
// Check that the scope chain contains the expected names of scopes.
function CheckScopeChainNames(names, exec_state) {
var all_scopes = exec_state.frame().allScopes();
assertEquals(names.length, all_scopes.length, "FrameMirror.allScopes length");
for (var i = 0; i < names.length; i++) {
var scope = exec_state.frame().scope(i);
assertTrue(scope.isScope());
assertEquals(scope.details().name(), names[i])
}
}
// Check that the content of the scope is as expected. For functions just check
// that there is a function.
function CheckScopeContent(content, number, exec_state) {
@ -517,6 +529,7 @@ listener_delegate = function(exec_state) {
debug.ScopeType.Script,
debug.ScopeType.Global], exec_state);
CheckScopeContent({a:1}, 1, exec_state);
CheckScopeChainNames([undefined, "closure_1", undefined, undefined], exec_state)
};
closure_1(1)();
EndTest();
@ -543,6 +556,7 @@ listener_delegate = function(exec_state) {
debug.ScopeType.Script,
debug.ScopeType.Global], exec_state);
CheckScopeContent({a:1,x:3}, 1, exec_state);
CheckScopeChainNames([undefined, "closure_2", undefined, undefined], exec_state)
};
closure_2(1, 2)();
EndTest();
@ -570,6 +584,7 @@ listener_delegate = function(exec_state) {
debug.ScopeType.Script,
debug.ScopeType.Global], exec_state);
CheckScopeContent({a:1,b:2,x:3,y:4}, 1, exec_state);
CheckScopeChainNames([undefined, "closure_3", undefined, undefined], exec_state)
};
closure_3(1, 2)();
EndTest();
@ -600,6 +615,7 @@ listener_delegate = function(exec_state) {
debug.ScopeType.Script,
debug.ScopeType.Global], exec_state);
CheckScopeContent({a:1,b:2,x:3,y:4,f:function(){}}, 1, exec_state);
CheckScopeChainNames([undefined, "closure_4", undefined, undefined], exec_state)
};
closure_4(1, 2)();
EndTest();
@ -629,6 +645,7 @@ listener_delegate = function(exec_state) {
debug.ScopeType.Script,
debug.ScopeType.Global], exec_state);
CheckScopeContent({a:1,b:2,x:3,y:4,f:function(){}}, 1, exec_state);
CheckScopeChainNames(["f", "closure_5", undefined, undefined], exec_state)
};
closure_5(1, 2)();
EndTest();
@ -660,6 +677,7 @@ listener_delegate = function(exec_state) {
debug.ScopeType.Global], exec_state);
CheckScopeContent({a:1}, 1, exec_state);
CheckScopeContent({f:function(){}}, 2, exec_state);
CheckScopeChainNames([undefined, "f", "closure_6", undefined, undefined], exec_state)
};
closure_6(1, 2)();
EndTest();
@ -696,6 +714,7 @@ listener_delegate = function(exec_state) {
CheckScopeContent({}, 0, exec_state);
CheckScopeContent({a:1,b:2,x:3,y:4,i:5,j:6}, 1, exec_state);
CheckScopeContent({a:1,b:2,x:3,y:4,i:5,j:6,f:function(){}}, 2, exec_state);
CheckScopeChainNames([undefined, "f", "closure_7", undefined, undefined], exec_state)
};
closure_7(1, 2)();
EndTest();
@ -714,6 +733,7 @@ listener_delegate = function(exec_state) {
debug.ScopeType.Script,
debug.ScopeType.Global], exec_state);
CheckScopeContent({x: 2}, 0, exec_state);
CheckScopeChainNames([undefined, undefined, undefined], exec_state)
};
closure_8();
EndTest();
@ -735,6 +755,7 @@ listener_delegate = function(exec_state) {
debug.ScopeType.Closure,
debug.ScopeType.Script,
debug.ScopeType.Global], exec_state);
CheckScopeChainNames([undefined, "closure_9", undefined, undefined], exec_state)
};
closure_9();
EndTest();
@ -783,6 +804,7 @@ listener_delegate = function(exec_state) {
CheckScopeContent({j:13}, 3, exec_state);
CheckScopeContent({a:1,b:2,x:9,y:10,i:11,j:12}, 4, exec_state);
CheckScopeContent({a:1,b:2,x:3,y:4,i:5,j:6,f:function(){}}, 5, exec_state);
CheckScopeChainNames([undefined, undefined, undefined, "f", "f", "the_full_monty", undefined, undefined], exec_state)
};
the_full_monty(1, 2)();
EndTest();
@ -830,6 +852,7 @@ listener_delegate = function(exec_state) {
CheckScopeContent({x: 3}, 0, exec_state);
CheckScopeContent({x: 2}, 1, exec_state);
CheckScopeContent({x: 1}, 2, exec_state);
CheckScopeChainNames(["inner", "inner", "closure_in_with_2", "closure_in_with_2", undefined, undefined], exec_state)
};
closure_in_with_2();
EndTest();
@ -860,6 +883,7 @@ listener_delegate = function(exec_state) {
debug.ScopeType.Closure,
debug.ScopeType.Script,
debug.ScopeType.Global], exec_state);
CheckScopeChainNames(["inner", "inner", "closure", "createClosure", undefined, undefined], exec_state)
}
closure_in_with_3();
EndTest();
@ -873,6 +897,7 @@ listener_delegate = function(exec_state) {
debug.ScopeType.Global], exec_state);
CheckScopeContent({x: 2}, 0, exec_state);
CheckScopeContent({x: 1}, 1, exec_state);
CheckScopeChainNames([undefined, undefined, undefined, undefined], exec_state)
};
with({x:1}) {
@ -887,6 +912,7 @@ EndTest();
BeginTest("Global");
listener_delegate = function(exec_state) {
CheckScopeChain([debug.ScopeType.Script, debug.ScopeType.Global], exec_state);
CheckScopeChainNames([undefined, undefined], exec_state)
};
debugger;
EndTest();
@ -908,6 +934,7 @@ listener_delegate = function(exec_state) {
debug.ScopeType.Script,
debug.ScopeType.Global], exec_state);
CheckScopeContent({e:'Exception'}, 0, exec_state);
CheckScopeChainNames(["catch_block_1", undefined, undefined, undefined], exec_state)
};
catch_block_1();
EndTest();
@ -933,6 +960,7 @@ listener_delegate = function(exec_state) {
debug.ScopeType.Global], exec_state);
CheckScopeContent({n:10}, 0, exec_state);
CheckScopeContent({e:'Exception'}, 1, exec_state);
CheckScopeChainNames(["catch_block_2", "catch_block_2", "catch_block_2", undefined, undefined], exec_state)
};
catch_block_2();
EndTest();
@ -958,6 +986,7 @@ listener_delegate = function(exec_state) {
debug.ScopeType.Global], exec_state);
CheckScopeContent({e:'Exception'}, 0, exec_state);
CheckScopeContent({y:78}, 1, exec_state);
CheckScopeChainNames(["catch_block_3", "catch_block_3", undefined, undefined], exec_state)
};
catch_block_3();
EndTest();
@ -986,6 +1015,7 @@ listener_delegate = function(exec_state) {
CheckScopeContent({n:10}, 0, exec_state);
CheckScopeContent({e:'Exception'}, 1, exec_state);
CheckScopeContent({y:98}, 2, exec_state);
CheckScopeChainNames(["catch_block_4", "catch_block_4", "catch_block_4", undefined, undefined], exec_state)
};
catch_block_4();
EndTest();
@ -998,6 +1028,7 @@ listener_delegate = function(exec_state) {
debug.ScopeType.Script,
debug.ScopeType.Global], exec_state);
CheckScopeContent({e:'Exception'}, 0, exec_state);
CheckScopeChainNames([undefined, undefined, undefined], exec_state)
};
try {
@ -1018,6 +1049,7 @@ listener_delegate = function(exec_state) {
debug.ScopeType.Global], exec_state);
CheckScopeContent({x: 2}, 0, exec_state);
CheckScopeContent({e:'Exception'}, 1, exec_state);
CheckScopeChainNames([undefined, undefined, undefined, undefined], exec_state)
};
try {
@ -1048,6 +1080,7 @@ listener_delegate = function(exec_state) {
debug.ScopeType.Script,
debug.ScopeType.Global], exec_state);
CheckScopeContent({e:'Exception'}, 0, exec_state);
CheckScopeChainNames(["catch_block_7", undefined, undefined, undefined], exec_state)
};
catch_block_7();
EndTest();
@ -1061,6 +1094,7 @@ listener_delegate = function(exec_state) {
debug.ScopeType.Script,
debug.ScopeType.Global], exec_state);
CheckScopeContent({}, 1, exec_state);
CheckScopeChainNames([undefined, undefined, undefined], exec_state)
};
(function() {