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
|
// Copyright 2015 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/wasm/wasm-result.h"
#include "src/factory.h"
#include "src/heap/heap.h"
#include "src/isolate-inl.h"
#include "src/objects.h"
#include "src/base/platform/platform.h"
namespace v8 {
namespace internal {
namespace wasm {
void ErrorThrower::Format(i::Handle<i::JSFunction> constructor,
const char* format, va_list args) {
// Only report the first error.
if (error()) return;
constexpr int kMaxErrorMessageLength = 256;
EmbeddedVector<char, kMaxErrorMessageLength> buffer;
int context_len = 0;
if (context_) {
context_len = SNPrintF(buffer, "%s: ", context_);
CHECK_LE(0, context_len); // check for overflow.
}
int message_len =
VSNPrintF(buffer.SubVector(context_len, buffer.length()), format, args);
CHECK_LE(0, message_len); // check for overflow.
Vector<char> whole_message = buffer.SubVector(0, context_len + message_len);
i::Handle<i::String> message =
isolate_->factory()
->NewStringFromOneByte(Vector<uint8_t>::cast(whole_message))
.ToHandleChecked();
exception_ = isolate_->factory()->NewError(constructor, message);
}
void ErrorThrower::TypeError(const char* format, ...) {
if (error()) return;
va_list arguments;
va_start(arguments, format);
Format(isolate_->type_error_function(), format, arguments);
va_end(arguments);
}
void ErrorThrower::RangeError(const char* format, ...) {
if (error()) return;
va_list arguments;
va_start(arguments, format);
Format(isolate_->range_error_function(), format, arguments);
va_end(arguments);
}
void ErrorThrower::CompileError(const char* format, ...) {
if (error()) return;
wasm_error_ = true;
va_list arguments;
va_start(arguments, format);
Format(isolate_->wasm_compile_error_function(), format, arguments);
va_end(arguments);
}
void ErrorThrower::LinkError(const char* format, ...) {
if (error()) return;
wasm_error_ = true;
va_list arguments;
va_start(arguments, format);
Format(isolate_->wasm_link_error_function(), format, arguments);
va_end(arguments);
}
void ErrorThrower::RuntimeError(const char* format, ...) {
if (error()) return;
wasm_error_ = true;
va_list arguments;
va_start(arguments, format);
Format(isolate_->wasm_runtime_error_function(), format, arguments);
va_end(arguments);
}
ErrorThrower::~ErrorThrower() {
if (error() && !isolate_->has_pending_exception()) {
isolate_->ScheduleThrow(*exception_);
}
}
} // namespace wasm
} // namespace internal
} // namespace v8
|
