v8/src/pending-compilation-error-handler.h
yangguo fc65e55116 Migrate error messages, part 12.
Review URL: https://codereview.chromium.org/1130133003

Cr-Commit-Position: refs/heads/master@{#28439}
2015-05-18 08:33:51 +00:00

95 lines
2.7 KiB
C++

// 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.
#ifndef V8_PENDING_COMPILATION_ERROR_HANDLER_H_
#define V8_PENDING_COMPILATION_ERROR_HANDLER_H_
#include "src/base/macros.h"
#include "src/globals.h"
#include "src/handles.h"
#include "src/messages.h"
namespace v8 {
namespace internal {
class AstRawString;
class Isolate;
class Script;
// Helper class for handling pending compilation errors consistently in various
// compilation phases.
class PendingCompilationErrorHandler {
public:
PendingCompilationErrorHandler()
: has_pending_error_(false),
start_position_(-1),
end_position_(-1),
message_(MessageTemplate::kNone),
arg_(nullptr),
char_arg_(nullptr),
error_type_(kSyntaxError) {}
void ReportMessageAt(int start_position, int end_position,
MessageTemplate::Template message,
const char* arg = nullptr,
ParseErrorType error_type = kSyntaxError) {
if (has_pending_error_) return;
has_pending_error_ = true;
start_position_ = start_position;
end_position_ = end_position;
message_ = message;
char_arg_ = arg;
arg_ = nullptr;
error_type_ = error_type;
}
void ReportMessageAt(int start_position, int end_position,
MessageTemplate::Template message,
const AstRawString* arg,
ParseErrorType error_type = kSyntaxError) {
if (has_pending_error_) return;
has_pending_error_ = true;
start_position_ = start_position;
end_position_ = end_position;
message_ = message;
char_arg_ = nullptr;
arg_ = arg;
error_type_ = error_type;
}
void ReportMessageAt(int start_position, int end_position,
MessageTemplate::Template message, Handle<String> arg,
ParseErrorType error_type = kSyntaxError) {
if (has_pending_error_) return;
has_pending_error_ = true;
start_position_ = start_position;
end_position_ = end_position;
message_ = message;
char_arg_ = nullptr;
arg_ = nullptr;
handle_arg_ = arg;
error_type_ = error_type;
}
bool has_pending_error() const { return has_pending_error_; }
void ThrowPendingError(Isolate* isolate, Handle<Script> script);
private:
bool has_pending_error_;
int start_position_;
int end_position_;
MessageTemplate::Template message_;
const AstRawString* arg_;
const char* char_arg_;
Handle<String> handle_arg_;
ParseErrorType error_type_;
DISALLOW_COPY_AND_ASSIGN(PendingCompilationErrorHandler);
};
} // namespace internal
} // namespace v8
#endif // V8_PENDING_COMPILATION_ERROR_HANDLER_H_