| // 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; |
| } |
| |
| bool has_pending_error() const { return has_pending_error_; } |
| |
| void ThrowPendingError(Isolate* isolate, Handle<Script> script); |
| Handle<String> FormatMessage(Isolate* isolate); |
| |
| private: |
| Handle<String> ArgumentString(Isolate* isolate); |
| |
| bool has_pending_error_; |
| int start_position_; |
| int end_position_; |
| MessageTemplate::Template message_; |
| const AstRawString* arg_; |
| const char* char_arg_; |
| ParseErrorType error_type_; |
| |
| DISALLOW_COPY_AND_ASSIGN(PendingCompilationErrorHandler); |
| }; |
| |
| } // namespace internal |
| } // namespace v8 |
| #endif // V8_PENDING_COMPILATION_ERROR_HANDLER_H_ |