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
|
#include <v8.h>
#include <node.h>
#include <assert.h>
using v8::Array;
using v8::ArrayBuffer;
using v8::ArrayBufferView;
using v8::BackingStore;
using v8::Context;
using v8::FunctionCallbackInfo;
using v8::Isolate;
using v8::Local;
using v8::MaybeLocal;
using v8::Number;
using v8::Object;
using v8::String;
using v8::Uint32;
using v8::Value;
void CallWithString(const FunctionCallbackInfo<Value>& args) {
assert(args.Length() == 1 && args[0]->IsString());
if (args.Length() == 1 && args[0]->IsString()) {
Local<String> str = args[0].As<String>();
const int32_t length = str->Utf8Length(args.GetIsolate()) + 1;
char* buf = new char[length];
str->WriteUtf8(args.GetIsolate(), buf, length);
delete[] buf;
}
}
void CallWithArray(const FunctionCallbackInfo<Value>& args) {
assert(args.Length() == 1 && args[0]->IsArray());
if (args.Length() == 1 && args[0]->IsArray()) {
const Local<Array> array = args[0].As<Array>();
uint32_t length = array->Length();
for (uint32_t i = 0; i < length; i++) {
Local<Value> v;
v = array->Get(args.GetIsolate()->GetCurrentContext(),
i).ToLocalChecked();
}
}
}
void CallWithNumber(const FunctionCallbackInfo<Value>& args) {
assert(args.Length() == 1 && args[0]->IsNumber());
if (args.Length() == 1 && args[0]->IsNumber()) {
args[0].As<Number>()->Value();
}
}
void CallWithObject(const FunctionCallbackInfo<Value>& args) {
Isolate* isolate = args.GetIsolate();
Local<Context> context = isolate->GetCurrentContext();
assert(args.Length() == 1 && args[0]->IsObject());
if (args.Length() == 1 && args[0]->IsObject()) {
Local<Object> obj = args[0].As<Object>();
MaybeLocal<String> map_key = String::NewFromUtf8(isolate,
"map", v8::NewStringType::kNormal);
assert(!map_key.IsEmpty());
MaybeLocal<Value> map_maybe = obj->Get(context,
map_key.ToLocalChecked());
assert(!map_maybe.IsEmpty());
Local<Value> map;
map = map_maybe.ToLocalChecked();
MaybeLocal<String> operand_key = String::NewFromUtf8(isolate,
"operand", v8::NewStringType::kNormal);
assert(!operand_key.IsEmpty());
MaybeLocal<Value> operand_maybe = obj->Get(context,
operand_key.ToLocalChecked());
assert(!operand_maybe.IsEmpty());
Local<Value> operand;
operand = operand_maybe.ToLocalChecked();
MaybeLocal<String> data_key = String::NewFromUtf8(isolate,
"data", v8::NewStringType::kNormal);
assert(!data_key.IsEmpty());
MaybeLocal<Value> data_maybe = obj->Get(context,
data_key.ToLocalChecked());
assert(!data_maybe.IsEmpty());
Local<Value> data;
data = data_maybe.ToLocalChecked();
MaybeLocal<String> reduce_key = String::NewFromUtf8(isolate,
"reduce", v8::NewStringType::kNormal);
assert(!reduce_key.IsEmpty());
MaybeLocal<Value> reduce_maybe = obj->Get(context,
reduce_key.ToLocalChecked());
assert(!reduce_maybe.IsEmpty());
Local<Value> reduce;
reduce = reduce_maybe.ToLocalChecked();
}
}
void CallWithTypedarray(const FunctionCallbackInfo<Value>& args) {
assert(args.Length() == 1 && args[0]->IsArrayBufferView());
if (args.Length() == 1 && args[0]->IsArrayBufferView()) {
assert(args[0]->IsArrayBufferView());
Local<ArrayBufferView> view = args[0].As<ArrayBufferView>();
const size_t byte_offset = view->ByteOffset();
const size_t byte_length = view->ByteLength();
assert(byte_length > 0);
assert(view->HasBuffer());
Local<ArrayBuffer> buffer = view->Buffer();
std::shared_ptr<BackingStore> bs = buffer->GetBackingStore();
const uint32_t* data = reinterpret_cast<uint32_t*>(
static_cast<uint8_t*>(bs->Data()) + byte_offset);
assert(data);
}
}
void CallWithArguments(const FunctionCallbackInfo<Value>& args) {
assert(args.Length() > 1 && args[0]->IsNumber());
if (args.Length() > 1 && args[0]->IsNumber()) {
int32_t loop = args[0].As<Uint32>()->Value();
for (int32_t i = 1; i < loop; ++i) {
assert(i < args.Length());
assert(args[i]->IsUint32());
args[i].As<Uint32>()->Value();
}
}
}
void Initialize(Local<Object> target,
Local<Value> module,
void* data) {
NODE_SET_METHOD(target, "callWithString", CallWithString);
NODE_SET_METHOD(target, "callWithLongString", CallWithString);
NODE_SET_METHOD(target, "callWithArray", CallWithArray);
NODE_SET_METHOD(target, "callWithLargeArray", CallWithArray);
NODE_SET_METHOD(target, "callWithHugeArray", CallWithArray);
NODE_SET_METHOD(target, "callWithNumber", CallWithNumber);
NODE_SET_METHOD(target, "callWithObject", CallWithObject);
NODE_SET_METHOD(target, "callWithTypedarray", CallWithTypedarray);
NODE_SET_METHOD(target, "callWith10Numbers", CallWithArguments);
NODE_SET_METHOD(target, "callWith100Numbers", CallWithArguments);
NODE_SET_METHOD(target, "callWith1000Numbers", CallWithArguments);
}
NODE_MODULE(NODE_GYP_MODULE_NAME, Initialize)
|
