// ----------------------------------------------------------------------------
// Implementation of Parser
-class ParserTraits::Checkpoint
- : public ParserBase<ParserTraits>::CheckpointBase {
- public:
- explicit Checkpoint(ParserBase<ParserTraits>* parser)
- : CheckpointBase(parser), parser_(parser) {
- saved_ast_node_id_gen_ = *parser_->ast_node_id_gen_;
- }
-
- void Restore() {
- CheckpointBase::Restore();
- *parser_->ast_node_id_gen_ = saved_ast_node_id_gen_;
- }
-
- private:
- ParserBase<ParserTraits>* parser_;
- AstNode::IdGen saved_ast_node_id_gen_;
-};
-
-
bool ParserTraits::IsEvalOrArguments(const AstRawString* identifier) const {
return identifier == parser_->ast_value_factory()->eval_string() ||
identifier == parser_->ast_value_factory()->arguments_string();
namespace v8 {
namespace internal {
-class PreParserTraits::Checkpoint
- : public ParserBase<PreParserTraits>::CheckpointBase {
- public:
- explicit Checkpoint(ParserBase<PreParserTraits>* parser)
- : ParserBase<PreParserTraits>::CheckpointBase(parser) {}
-};
-
void PreParserTraits::ReportMessageAt(Scanner::Location location,
const char* message,
const char* arg,
}
protected:
- friend class Traits::Checkpoint;
-
enum AllowEvalOrArgumentsAsIdentifier {
kAllowEvalOrArguments,
kDontAllowEvalOrArguments
PARSE_EAGERLY
};
- class CheckpointBase;
+ class Checkpoint;
class ObjectLiteralChecker;
// ---------------------------------------------------------------------------
typename Traits::Type::Factory factory_;
friend class ParserTraits;
- friend class CheckpointBase;
+ friend class Checkpoint;
};
// Annoyingly, arrow functions first parse as comma expressions, then when we
// see the => we have to go back and reinterpret the arguments as being formal
// parameters. To do so we need to reset some of the parser state back to
// what it was before the arguments were first seen.
- class CheckpointBase BASE_EMBEDDED {
+ class Checkpoint BASE_EMBEDDED {
public:
- explicit CheckpointBase(ParserBase* parser) {
+ explicit Checkpoint(ParserBase* parser) {
function_state_ = parser->function_state_;
next_materialized_literal_index_ =
function_state_->next_materialized_literal_index_;
typedef PreParserFactory Factory;
};
- class Checkpoint;
-
explicit PreParserTraits(PreParser* pre_parser) : pre_parser_(pre_parser) {}
// Custom operations executed when FunctionStates are created and
}
if (fni_ != NULL) fni_->Enter();
- typename Traits::Checkpoint checkpoint(this);
+ ParserBase<Traits>::Checkpoint checkpoint(this);
ExpressionT expression =
this->ParseConditionalExpression(accept_IN, CHECK_OK);