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
|
// 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 {
std::ostream& operator<<(std::ostream& os, const ErrorCode& error_code) {
switch (error_code) {
case kSuccess:
os << "Success";
break;
default: // TODO(titzer): render error codes
os << "Error";
break;
}
return os;
}
void ErrorThrower::Format(i::Handle<i::JSFunction> constructor,
const char* format, va_list args) {
// Only report the first error.
if (error()) return;
char buffer[256];
base::OS::VSNPrintF(buffer, 255, format, args);
std::ostringstream str;
if (context_ != nullptr) {
str << context_ << ": ";
}
str << buffer;
i::Handle<i::String> message =
isolate_->factory()->NewStringFromAsciiChecked(str.str().c_str());
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;
va_list arguments;
va_start(arguments, format);
Format(isolate_->wasm_compile_error_function(), format, arguments);
va_end(arguments);
}
void ErrorThrower::RuntimeError(const char* format, ...) {
if (error()) return;
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
|
