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
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
|
#ifndef SRC_NODE_CONTEXTIFY_H_
#define SRC_NODE_CONTEXTIFY_H_
#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
#include "base_object-inl.h"
#include "node_context_data.h"
#include "node_errors.h"
namespace node {
class ExternalReferenceRegistry;
namespace contextify {
class MicrotaskQueueWrap : public BaseObject {
public:
MicrotaskQueueWrap(Environment* env, v8::Local<v8::Object> obj);
const std::shared_ptr<v8::MicrotaskQueue>& microtask_queue() const;
static void Init(Environment* env, v8::Local<v8::Object> target);
static void RegisterExternalReferences(ExternalReferenceRegistry* registry);
static void New(const v8::FunctionCallbackInfo<v8::Value>& args);
// This could have methods for running the microtask queue, if we ever decide
// to make that fully customizable from userland.
SET_NO_MEMORY_INFO()
SET_MEMORY_INFO_NAME(MicrotaskQueueWrap)
SET_SELF_SIZE(MicrotaskQueueWrap)
private:
std::shared_ptr<v8::MicrotaskQueue> microtask_queue_;
};
struct ContextOptions {
v8::Local<v8::String> name;
v8::Local<v8::String> origin;
v8::Local<v8::Boolean> allow_code_gen_strings;
v8::Local<v8::Boolean> allow_code_gen_wasm;
BaseObjectPtr<MicrotaskQueueWrap> microtask_queue_wrap;
};
class ContextifyContext {
public:
enum InternalFields { kSlot, kInternalFieldCount };
ContextifyContext(Environment* env,
v8::Local<v8::Object> sandbox_obj,
const ContextOptions& options);
~ContextifyContext();
static void CleanupHook(void* arg);
v8::MaybeLocal<v8::Object> CreateDataWrapper(Environment* env);
v8::MaybeLocal<v8::Context> CreateV8Context(Environment* env,
v8::Local<v8::Object> sandbox_obj,
const ContextOptions& options);
static void Init(Environment* env, v8::Local<v8::Object> target);
static void RegisterExternalReferences(ExternalReferenceRegistry* registry);
static ContextifyContext* ContextFromContextifiedSandbox(
Environment* env,
const v8::Local<v8::Object>& sandbox);
inline Environment* env() const {
return env_;
}
inline v8::Local<v8::Context> context() const {
return PersistentToLocal::Default(env()->isolate(), context_);
}
inline v8::Local<v8::Object> global_proxy() const {
return context()->Global();
}
inline v8::Local<v8::Object> sandbox() const {
return v8::Local<v8::Object>::Cast(
context()->GetEmbedderData(ContextEmbedderIndex::kSandboxObject));
}
inline std::shared_ptr<v8::MicrotaskQueue> microtask_queue() const {
if (!microtask_queue_wrap_) return {};
return microtask_queue_wrap_->microtask_queue();
}
template <typename T>
static ContextifyContext* Get(const v8::PropertyCallbackInfo<T>& args);
private:
static void MakeContext(const v8::FunctionCallbackInfo<v8::Value>& args);
static void IsContext(const v8::FunctionCallbackInfo<v8::Value>& args);
static void CompileFunction(
const v8::FunctionCallbackInfo<v8::Value>& args);
static void WeakCallback(
const v8::WeakCallbackInfo<ContextifyContext>& data);
static void PropertyGetterCallback(
v8::Local<v8::Name> property,
const v8::PropertyCallbackInfo<v8::Value>& args);
static void PropertySetterCallback(
v8::Local<v8::Name> property,
v8::Local<v8::Value> value,
const v8::PropertyCallbackInfo<v8::Value>& args);
static void PropertyDescriptorCallback(
v8::Local<v8::Name> property,
const v8::PropertyCallbackInfo<v8::Value>& args);
static void PropertyDefinerCallback(
v8::Local<v8::Name> property,
const v8::PropertyDescriptor& desc,
const v8::PropertyCallbackInfo<v8::Value>& args);
static void PropertyDeleterCallback(
v8::Local<v8::Name> property,
const v8::PropertyCallbackInfo<v8::Boolean>& args);
static void PropertyEnumeratorCallback(
const v8::PropertyCallbackInfo<v8::Array>& args);
static void IndexedPropertyGetterCallback(
uint32_t index,
const v8::PropertyCallbackInfo<v8::Value>& args);
static void IndexedPropertySetterCallback(
uint32_t index,
v8::Local<v8::Value> value,
const v8::PropertyCallbackInfo<v8::Value>& args);
static void IndexedPropertyDescriptorCallback(
uint32_t index,
const v8::PropertyCallbackInfo<v8::Value>& args);
static void IndexedPropertyDefinerCallback(
uint32_t index,
const v8::PropertyDescriptor& desc,
const v8::PropertyCallbackInfo<v8::Value>& args);
static void IndexedPropertyDeleterCallback(
uint32_t index,
const v8::PropertyCallbackInfo<v8::Boolean>& args);
Environment* const env_;
v8::Global<v8::Context> context_;
BaseObjectPtr<MicrotaskQueueWrap> microtask_queue_wrap_;
};
class ContextifyScript : public BaseObject {
public:
SET_NO_MEMORY_INFO()
SET_MEMORY_INFO_NAME(ContextifyScript)
SET_SELF_SIZE(ContextifyScript)
ContextifyScript(Environment* env, v8::Local<v8::Object> object);
~ContextifyScript() override;
static void Init(Environment* env, v8::Local<v8::Object> target);
static void RegisterExternalReferences(ExternalReferenceRegistry* registry);
static void New(const v8::FunctionCallbackInfo<v8::Value>& args);
static bool InstanceOf(Environment* env, const v8::Local<v8::Value>& args);
static void CreateCachedData(
const v8::FunctionCallbackInfo<v8::Value>& args);
static void RunInThisContext(const v8::FunctionCallbackInfo<v8::Value>& args);
static void RunInContext(const v8::FunctionCallbackInfo<v8::Value>& args);
static bool EvalMachine(Environment* env,
const int64_t timeout,
const bool display_errors,
const bool break_on_sigint,
const bool break_on_first_line,
std::shared_ptr<v8::MicrotaskQueue> microtask_queue,
const v8::FunctionCallbackInfo<v8::Value>& args);
inline uint32_t id() { return id_; }
private:
v8::Global<v8::UnboundScript> script_;
uint32_t id_;
};
class CompiledFnEntry final : public BaseObject {
public:
SET_NO_MEMORY_INFO()
SET_MEMORY_INFO_NAME(CompiledFnEntry)
SET_SELF_SIZE(CompiledFnEntry)
CompiledFnEntry(Environment* env,
v8::Local<v8::Object> object,
uint32_t id,
v8::Local<v8::ScriptOrModule> script);
~CompiledFnEntry();
bool IsNotIndicativeOfMemoryLeakAtExit() const override { return true; }
private:
uint32_t id_;
v8::Global<v8::ScriptOrModule> script_;
static void WeakCallback(const v8::WeakCallbackInfo<CompiledFnEntry>& data);
};
} // namespace contextify
} // namespace node
#endif // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
#endif // SRC_NODE_CONTEXTIFY_H_
|
