1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
|
// Copyright 2017 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "src/api-inl.h"
#include "src/builtins/builtins-utils-inl.h"
#include "src/builtins/builtins.h"
#include "src/debug/interface-types.h"
#include "src/objects-inl.h"
namespace v8 {
namespace internal {
// -----------------------------------------------------------------------------
// Console
#define CONSOLE_METHOD_LIST(V) \
V(Debug, debug) \
V(Error, error) \
V(Info, info) \
V(Log, log) \
V(Warn, warn) \
V(Dir, dir) \
V(DirXml, dirXml) \
V(Table, table) \
V(Trace, trace) \
V(Group, group) \
V(GroupCollapsed, groupCollapsed) \
V(GroupEnd, groupEnd) \
V(Clear, clear) \
V(Count, count) \
V(CountReset, countReset) \
V(Assert, assert) \
V(Profile, profile) \
V(ProfileEnd, profileEnd)
namespace {
void ConsoleCall(
Isolate* isolate, internal::BuiltinArguments& args,
void (debug::ConsoleDelegate::*func)(const v8::debug::ConsoleCallArguments&,
const v8::debug::ConsoleContext&)) {
CHECK(!isolate->has_pending_exception());
CHECK(!isolate->has_scheduled_exception());
if (!isolate->console_delegate()) return;
HandleScope scope(isolate);
debug::ConsoleCallArguments wrapper(args);
Handle<Object> context_id_obj = JSObject::GetDataProperty(
args.target(), isolate->factory()->console_context_id_symbol());
int context_id =
context_id_obj->IsSmi() ? Handle<Smi>::cast(context_id_obj)->value() : 0;
Handle<Object> context_name_obj = JSObject::GetDataProperty(
args.target(), isolate->factory()->console_context_name_symbol());
Handle<String> context_name = context_name_obj->IsString()
? Handle<String>::cast(context_name_obj)
: isolate->factory()->anonymous_string();
(isolate->console_delegate()->*func)(
wrapper,
v8::debug::ConsoleContext(context_id, Utils::ToLocal(context_name)));
}
void LogTimerEvent(Isolate* isolate, BuiltinArguments args,
Logger::StartEnd se) {
if (!isolate->logger()->is_logging()) return;
HandleScope scope(isolate);
std::unique_ptr<char[]> name;
const char* raw_name = "default";
if (args.length() > 1 && args[1]->IsString()) {
// Try converting the first argument to a string.
name = args.at<String>(1)->ToCString();
raw_name = name.get();
}
LOG(isolate, TimerEvent(se, raw_name));
}
} // namespace
#define CONSOLE_BUILTIN_IMPLEMENTATION(call, name) \
BUILTIN(Console##call) { \
ConsoleCall(isolate, args, &debug::ConsoleDelegate::call); \
RETURN_FAILURE_IF_SCHEDULED_EXCEPTION(isolate); \
return ReadOnlyRoots(isolate).undefined_value(); \
}
CONSOLE_METHOD_LIST(CONSOLE_BUILTIN_IMPLEMENTATION)
#undef CONSOLE_BUILTIN_IMPLEMENTATION
BUILTIN(ConsoleTime) {
LogTimerEvent(isolate, args, Logger::START);
ConsoleCall(isolate, args, &debug::ConsoleDelegate::Time);
RETURN_FAILURE_IF_SCHEDULED_EXCEPTION(isolate);
return ReadOnlyRoots(isolate).undefined_value();
}
BUILTIN(ConsoleTimeEnd) {
LogTimerEvent(isolate, args, Logger::END);
ConsoleCall(isolate, args, &debug::ConsoleDelegate::TimeEnd);
RETURN_FAILURE_IF_SCHEDULED_EXCEPTION(isolate);
return ReadOnlyRoots(isolate).undefined_value();
}
BUILTIN(ConsoleTimeStamp) {
LogTimerEvent(isolate, args, Logger::STAMP);
ConsoleCall(isolate, args, &debug::ConsoleDelegate::TimeStamp);
RETURN_FAILURE_IF_SCHEDULED_EXCEPTION(isolate);
return ReadOnlyRoots(isolate).undefined_value();
}
namespace {
void InstallContextFunction(Isolate* isolate, Handle<JSObject> target,
const char* name, Builtins::Name builtin_id,
int context_id, Handle<Object> context_name) {
Factory* const factory = isolate->factory();
Handle<String> name_string =
Name::ToFunctionName(isolate, factory->InternalizeUtf8String(name))
.ToHandleChecked();
NewFunctionArgs args = NewFunctionArgs::ForBuiltinWithoutPrototype(
name_string, builtin_id, i::LanguageMode::kSloppy);
Handle<JSFunction> fun = factory->NewFunction(args);
fun->shared()->set_native(true);
fun->shared()->DontAdaptArguments();
fun->shared()->set_length(1);
JSObject::AddProperty(isolate, fun, factory->console_context_id_symbol(),
handle(Smi::FromInt(context_id), isolate), NONE);
if (context_name->IsString()) {
JSObject::AddProperty(isolate, fun, factory->console_context_name_symbol(),
context_name, NONE);
}
JSObject::AddProperty(isolate, target, name_string, fun, NONE);
}
} // namespace
BUILTIN(ConsoleContext) {
HandleScope scope(isolate);
Factory* const factory = isolate->factory();
Handle<String> name = factory->InternalizeUtf8String("Context");
NewFunctionArgs arguments = NewFunctionArgs::ForFunctionWithoutCode(
name, isolate->sloppy_function_map(), LanguageMode::kSloppy);
Handle<JSFunction> cons = factory->NewFunction(arguments);
Handle<JSObject> prototype = factory->NewJSObject(isolate->object_function());
JSFunction::SetPrototype(cons, prototype);
Handle<JSObject> context = factory->NewJSObject(cons, TENURED);
DCHECK(context->IsJSObject());
int id = isolate->last_console_context_id() + 1;
isolate->set_last_console_context_id(id);
#define CONSOLE_BUILTIN_SETUP(call, name) \
InstallContextFunction(isolate, context, #name, Builtins::kConsole##call, \
id, args.at(1));
CONSOLE_METHOD_LIST(CONSOLE_BUILTIN_SETUP)
#undef CONSOLE_BUILTIN_SETUP
InstallContextFunction(isolate, context, "time", Builtins::kConsoleTime, id,
args.at(1));
InstallContextFunction(isolate, context, "timeEnd", Builtins::kConsoleTimeEnd,
id, args.at(1));
InstallContextFunction(isolate, context, "timeStamp",
Builtins::kConsoleTimeStamp, id, args.at(1));
return *context;
}
#undef CONSOLE_METHOD_LIST
} // namespace internal
} // namespace v8
|
