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error_thrower.cc
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44 lines (32 loc) · 1.35 KB
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// Copyright (c) 2019 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#include "shell/common/gin_helper/error_thrower.h"
#include "gin/converter.h"
namespace gin_helper {
ErrorThrower::ErrorThrower(v8::Isolate* isolate) : isolate_(isolate) {}
// This constructor should be rarely if ever used, since
// v8::Isolate::GetCurrent() uses atomic loads and is thus a bit
// costly to invoke
ErrorThrower::ErrorThrower() : isolate_(v8::Isolate::GetCurrent()) {}
void ErrorThrower::ThrowError(base::StringPiece err_msg) const {
Throw(v8::Exception::Error, err_msg);
}
void ErrorThrower::ThrowTypeError(base::StringPiece err_msg) const {
Throw(v8::Exception::TypeError, err_msg);
}
void ErrorThrower::ThrowRangeError(base::StringPiece err_msg) const {
Throw(v8::Exception::RangeError, err_msg);
}
void ErrorThrower::ThrowReferenceError(base::StringPiece err_msg) const {
Throw(v8::Exception::ReferenceError, err_msg);
}
void ErrorThrower::ThrowSyntaxError(base::StringPiece err_msg) const {
Throw(v8::Exception::SyntaxError, err_msg);
}
void ErrorThrower::Throw(ErrorGenerator gen, base::StringPiece err_msg) const {
v8::Local<v8::Value> exception = gen(gin::StringToV8(isolate_, err_msg));
if (!isolate_->IsExecutionTerminating())
isolate_->ThrowException(exception);
}
} // namespace gin_helper