v8::internal::ParserBase< Traits >::ObjectLiteralChecker Class Reference

#include <preparser.h>

Collaboration diagram for v8::internal::ParserBase< Traits >::ObjectLiteralChecker:

Public Member Functions
	ObjectLiteralChecker (ParserBase *parser, StrictMode strict_mode)
void	CheckProperty (Token::Value property, PropertyKind type, bool *ok)

Private Member Functions
ParserBase *	parser () const
Scanner *	scanner () const
bool	HasConflict (PropertyKind type1, PropertyKind type2)
bool	IsDataDataConflict (PropertyKind type1, PropertyKind type2)
bool	IsDataAccessorConflict (PropertyKind type1, PropertyKind type2)
bool	IsAccessorAccessorConflict (PropertyKind type1, PropertyKind type2)

Private Attributes
ParserBase *	parser_
DuplicateFinder	finder_
StrictMode	strict_mode_

Detailed Description

template<typename Traits>
class v8::internal::ParserBase< Traits >::ObjectLiteralChecker

Definition at line 539 of file preparser.h.

Constructor & Destructor Documentation

ObjectLiteralChecker()

template<typename Traits >

v8::internal::ParserBase< Traits >::ObjectLiteralChecker::ObjectLiteralChecker ( ParserBase *  parser, StrictMode  strict_mode  )

inline

Definition at line 541 of file preparser.h.

        : parser_(parser),
          finder_(scanner()->unicode_cache()),
          strict_mode_(strict_mode) {}

Member Function Documentation

CheckProperty()

template<typename Traits >

void v8::internal::ParserBase< Traits >::ObjectLiteralChecker::CheckProperty	(	Token::Value	property,
		PropertyKind	type,
		bool *	ok
	)

Definition at line 2811 of file preparser.h.

                                                      {
  int old;
  if (property == Token::NUMBER) {
    old = scanner()->FindNumber(&finder_, type);
  } else {
    old = scanner()->FindSymbol(&finder_, type);
  }
  PropertyKind old_type = static_cast<PropertyKind>(old);
  if (HasConflict(old_type, type)) {
    if (IsDataDataConflict(old_type, type)) {
      // Both are data properties.
      if (strict_mode_ == SLOPPY) return;
      parser()->ReportMessage("strict_duplicate_property");
    } else if (IsDataAccessorConflict(old_type, type)) {
      // Both a data and an accessor property with the same name.
      parser()->ReportMessage("accessor_data_property");
    } else {
      DCHECK(IsAccessorAccessorConflict(old_type, type));
      // Both accessors of the same type.
      parser()->ReportMessage("accessor_get_set");
    }
    *ok = false;
  }
}

References DCHECK, v8::internal::ParserBase< Traits >::ObjectLiteralChecker::finder_, v8::internal::Scanner::FindNumber(), v8::internal::Scanner::FindSymbol(), v8::internal::ParserBase< Traits >::ObjectLiteralChecker::HasConflict(), v8::internal::ParserBase< Traits >::ObjectLiteralChecker::IsAccessorAccessorConflict(), v8::internal::ParserBase< Traits >::ObjectLiteralChecker::IsDataAccessorConflict(), v8::internal::ParserBase< Traits >::ObjectLiteralChecker::IsDataDataConflict(), v8::internal::ParserBase< Traits >::ObjectLiteralChecker::parser(), v8::internal::ParserBase< Traits >::ReportMessage(), v8::internal::ParserBase< Traits >::ObjectLiteralChecker::scanner(), v8::internal::SLOPPY, and v8::internal::ParserBase< Traits >::ObjectLiteralChecker::strict_mode_.

Referenced by v8::internal::ParserBase< Traits >::ParsePropertyDefinition().

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HasConflict()

template<typename Traits >

bool v8::internal::ParserBase< Traits >::ObjectLiteralChecker::HasConflict ( PropertyKind  type1, PropertyKind  type2  )

inlineprivate

Definition at line 553 of file preparser.h.

                                                             {
      return (type1 & type2) != 0;
    }

Referenced by v8::internal::ParserBase< Traits >::ObjectLiteralChecker::CheckProperty().

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IsAccessorAccessorConflict()

template<typename Traits >

bool v8::internal::ParserBase< Traits >::ObjectLiteralChecker::IsAccessorAccessorConflict ( PropertyKind  type1, PropertyKind  type2  )

inlineprivate

Definition at line 562 of file preparser.h.

                                                                            {
      return ((type1 | type2) & kValueFlag) == 0;
    }

References v8::internal::ParserBase< Traits >::kValueFlag.

Referenced by v8::internal::ParserBase< Traits >::ObjectLiteralChecker::CheckProperty().

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IsDataAccessorConflict()

template<typename Traits >

bool v8::internal::ParserBase< Traits >::ObjectLiteralChecker::IsDataAccessorConflict ( PropertyKind  type1, PropertyKind  type2  )

inlineprivate

Definition at line 559 of file preparser.h.

                                                                        {
      return ((type1 ^ type2) & kValueFlag) != 0;
    }

References v8::internal::ParserBase< Traits >::kValueFlag.

Referenced by v8::internal::ParserBase< Traits >::ObjectLiteralChecker::CheckProperty().

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IsDataDataConflict()

template<typename Traits >

bool v8::internal::ParserBase< Traits >::ObjectLiteralChecker::IsDataDataConflict ( PropertyKind  type1, PropertyKind  type2  )

inlineprivate

Definition at line 556 of file preparser.h.

                                                                    {
      return ((type1 & type2) & kValueFlag) != 0;
    }

References v8::internal::ParserBase< Traits >::kValueFlag.

Referenced by v8::internal::ParserBase< Traits >::ObjectLiteralChecker::CheckProperty().

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parser()

template<typename Traits >

ParserBase* v8::internal::ParserBase< Traits >::ObjectLiteralChecker::parser ( ) const

inlineprivate

Definition at line 549 of file preparser.h.

{ return parser_; }

References v8::internal::ParserBase< Traits >::ObjectLiteralChecker::parser_.

Referenced by v8::internal::ParserBase< Traits >::ObjectLiteralChecker::CheckProperty().

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scanner()

template<typename Traits >

Scanner* v8::internal::ParserBase< Traits >::ObjectLiteralChecker::scanner ( ) const

inlineprivate

Definition at line 550 of file preparser.h.

{ return parser_->scanner(); }

References v8::internal::ParserBase< Traits >::ObjectLiteralChecker::parser_, and v8::internal::ParserBase< Traits >::scanner().

Referenced by v8::internal::ParserBase< Traits >::ObjectLiteralChecker::CheckProperty().

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Member Data Documentation

finder_

template<typename Traits >

DuplicateFinder v8::internal::ParserBase< Traits >::ObjectLiteralChecker::finder_

private

Definition at line 567 of file preparser.h.

Referenced by v8::internal::ParserBase< Traits >::ObjectLiteralChecker::CheckProperty().

parser_

template<typename Traits >

ParserBase* v8::internal::ParserBase< Traits >::ObjectLiteralChecker::parser_

private

Definition at line 566 of file preparser.h.

Referenced by v8::internal::ParserBase< Traits >::ObjectLiteralChecker::parser(), and v8::internal::ParserBase< Traits >::ObjectLiteralChecker::scanner().

strict_mode_

template<typename Traits >

StrictMode v8::internal::ParserBase< Traits >::ObjectLiteralChecker::strict_mode_

private

Definition at line 568 of file preparser.h.

Referenced by v8::internal::ParserBase< Traits >::ObjectLiteralChecker::CheckProperty().

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The documentation for this class was generated from the following file:

• /mnt/V8SourceCode/src/preparser.h