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
|
// Copyright 2018 the Deno authors. All rights reserved. MIT license.
#ifndef INTERNAL_H_
#define INTERNAL_H_
#include <map>
#include <string>
#include "deno.h"
#include "third_party/v8/include/v8.h"
#include "third_party/v8/src/base/logging.h"
namespace deno {
// deno_s = Wrapped Isolate.
class DenoIsolate {
public:
DenoIsolate(deno_buf snapshot, deno_recv_cb cb, deno_buf shared)
: isolate_(nullptr),
shared_(shared),
current_args_(nullptr),
snapshot_creator_(nullptr),
global_import_buf_ptr_(nullptr),
pending_promise_events_(0),
cb_(cb),
next_req_id_(0),
user_data_(nullptr) {
if (snapshot.data_ptr) {
snapshot_.data = reinterpret_cast<const char*>(snapshot.data_ptr);
snapshot_.raw_size = static_cast<int>(snapshot.data_len);
}
}
void AddIsolate(v8::Isolate* isolate);
v8::Isolate* isolate_;
deno_buf shared_;
const v8::FunctionCallbackInfo<v8::Value>* current_args_;
v8::SnapshotCreator* snapshot_creator_;
void* global_import_buf_ptr_;
int32_t pending_promise_events_;
deno_recv_cb cb_;
int32_t next_req_id_;
void* user_data_;
v8::Persistent<v8::Context> context_;
std::map<int32_t, v8::Persistent<v8::Value>> async_data_map_;
std::string last_exception_;
v8::Persistent<v8::Function> recv_;
v8::Persistent<v8::Function> global_error_handler_;
v8::Persistent<v8::Function> promise_reject_handler_;
v8::Persistent<v8::Function> promise_error_examiner_;
v8::StartupData snapshot_;
v8::Persistent<v8::ArrayBuffer> global_import_buf_;
v8::Persistent<v8::ArrayBuffer> shared_ab_;
};
class UserDataScope {
DenoIsolate* deno;
void* prev_data;
void* data; // Not necessary; only for sanity checking.
public:
UserDataScope(DenoIsolate* deno_, void* data_) : deno(deno_), data(data_) {
CHECK(deno->user_data_ == nullptr || deno->user_data_ == data_);
prev_data = deno->user_data_;
deno->user_data_ = data;
}
~UserDataScope() {
CHECK(deno->user_data_ == data);
deno->user_data_ = prev_data;
}
};
struct InternalFieldData {
uint32_t data;
};
void Print(const v8::FunctionCallbackInfo<v8::Value>& args);
void Recv(const v8::FunctionCallbackInfo<v8::Value>& args);
void Send(const v8::FunctionCallbackInfo<v8::Value>& args);
void Shared(v8::Local<v8::Name> property,
const v8::PropertyCallbackInfo<v8::Value>& info);
void SetGlobalErrorHandler(const v8::FunctionCallbackInfo<v8::Value>& args);
void SetPromiseRejectHandler(const v8::FunctionCallbackInfo<v8::Value>& args);
void SetPromiseErrorExaminer(const v8::FunctionCallbackInfo<v8::Value>& args);
static intptr_t external_references[] = {
reinterpret_cast<intptr_t>(Print),
reinterpret_cast<intptr_t>(Recv),
reinterpret_cast<intptr_t>(Send),
reinterpret_cast<intptr_t>(Shared),
reinterpret_cast<intptr_t>(SetGlobalErrorHandler),
reinterpret_cast<intptr_t>(SetPromiseRejectHandler),
reinterpret_cast<intptr_t>(SetPromiseErrorExaminer),
0};
static const deno_buf empty_buf = {nullptr, 0, nullptr, 0};
Deno* NewFromSnapshot(void* user_data, deno_recv_cb cb);
void InitializeContext(v8::Isolate* isolate, v8::Local<v8::Context> context,
const char* js_filename, const char* js_source,
const char* source_map);
void HandleException(v8::Local<v8::Context> context,
v8::Local<v8::Value> exception);
void DeserializeInternalFields(v8::Local<v8::Object> holder, int index,
v8::StartupData payload, void* data);
v8::StartupData SerializeInternalFields(v8::Local<v8::Object> holder, int index,
void* data);
v8::Local<v8::Uint8Array> ImportBuf(DenoIsolate* d, deno_buf buf);
void DeleteDataRef(DenoIsolate* d, int32_t req_id);
bool Execute(v8::Local<v8::Context> context, const char* js_filename,
const char* js_source);
} // namespace deno
extern "C" {
// This is just to workaround the linker.
struct deno_s {
deno::DenoIsolate isolate;
};
}
#endif // INTERNAL_H_
|
