v8::internal::EndNode Class Reference

#include <jsregexp.h>

Inheritance diagram for v8::internal::EndNode:

Collaboration diagram for v8::internal::EndNode:

Public Types
enum	Action { ACCEPT , BACKTRACK , NEGATIVE_SUBMATCH_SUCCESS }

Public Member Functions
	EndNode (Action action, Zone *zone)
virtual void	Accept (NodeVisitor *visitor)
virtual void	Emit (RegExpCompiler *compiler, Trace *trace)
virtual int	EatsAtLeast (int still_to_find, int recursion_depth, bool not_at_start)
virtual void	GetQuickCheckDetails (QuickCheckDetails *details, RegExpCompiler *compiler, int characters_filled_in, bool not_at_start)
virtual void	FillInBMInfo (int offset, int budget, BoyerMooreLookahead *bm, bool not_at_start)
Public Member Functions inherited from v8::internal::RegExpNode
	RegExpNode (Zone *zone)
virtual	~RegExpNode ()
bool	EmitQuickCheck (RegExpCompiler *compiler, Trace *bounds_check_trace, Trace *trace, bool preload_has_checked_bounds, Label *on_possible_success, QuickCheckDetails *details_return, bool fall_through_on_failure)
virtual int	GreedyLoopTextLength ()
virtual RegExpNode *	GetSuccessorOfOmnivorousTextNode (RegExpCompiler *compiler)
virtual RegExpNode *	FilterOneByte (int depth, bool ignore_case)
RegExpNode *	replacement ()
RegExpNode *	set_replacement (RegExpNode *replacement)
void	SaveBMInfo (BoyerMooreLookahead *bm, bool not_at_start, int offset)
Label *	label ()
NodeInfo *	info ()
BoyerMooreLookahead *	bm_info (bool not_at_start)
Zone *	zone () const
Public Member Functions inherited from v8::internal::ZoneObject
	INLINE (void *operator new(size_t size, Zone *zone))
void	operator delete (void *, size_t)
void	operator delete (void *pointer, Zone *zone)

Private Attributes
Action	action_

Additional Inherited Members
Static Public Attributes inherited from v8::internal::RegExpNode
static const int	kNodeIsTooComplexForGreedyLoops = -1
static const int	kRecursionBudget = 200
static const int	kMaxCopiesCodeGenerated = 10
Protected Types inherited from v8::internal::RegExpNode
enum	LimitResult { DONE , CONTINUE }
Protected Member Functions inherited from v8::internal::RegExpNode
LimitResult	LimitVersions (RegExpCompiler *compiler, Trace *trace)
void	set_bm_info (bool not_at_start, BoyerMooreLookahead *bm)
Protected Attributes inherited from v8::internal::RegExpNode
RegExpNode *	replacement_

Detailed Description

Definition at line 964 of file jsregexp.h.

Member Enumeration Documentation

Action

enum v8::internal::EndNode::Action

Enumerator
ACCEPT
BACKTRACK
NEGATIVE_SUBMATCH_SUCCESS

Definition at line 966 of file jsregexp.h.

{ ACCEPT, BACKTRACK, NEGATIVE_SUBMATCH_SUCCESS };

Constructor & Destructor Documentation

EndNode()

v8::internal::EndNode::EndNode ( Action  action, Zone *  zone  )

inlineexplicit

Definition at line 967 of file jsregexp.h.

      : RegExpNode(zone), action_(action) { }

Member Function Documentation

Accept()

virtual void v8::internal::EndNode::Accept ( NodeVisitor *  visitor )

virtual

Implements v8::internal::RegExpNode.

EatsAtLeast()

virtual int v8::internal::EndNode::EatsAtLeast ( int  still_to_find, int  recursion_depth, bool  not_at_start  )

inlinevirtual

Implements v8::internal::RegExpNode.

Definition at line 971 of file jsregexp.h.

                                             { return 0; }

Emit()

void v8::internal::EndNode::Emit ( RegExpCompiler *  compiler, Trace *  trace  )

virtual

Implements v8::internal::RegExpNode.

Reimplemented in v8::internal::NegativeSubmatchSuccess.

Definition at line 1441 of file jsregexp.cc.

                                                         {
  if (!trace->is_trivial()) {
    trace->Flush(compiler, this);
    return;
  }
  RegExpMacroAssembler* assembler = compiler->macro_assembler();
  if (!label()->is_bound()) {
    assembler->Bind(label());
  }
  switch (action_) {
    case ACCEPT:
      assembler->Succeed();
      return;
    case BACKTRACK:
      assembler->GoTo(trace->backtrack());
      return;
    case NEGATIVE_SUBMATCH_SUCCESS:
      // This case is handled in a different virtual method.
      UNREACHABLE();
  }
  UNIMPLEMENTED();
}

References v8::internal::Trace::backtrack(), v8::internal::RegExpMacroAssembler::Bind(), v8::internal::Trace::Flush(), v8::internal::RegExpMacroAssembler::GoTo(), v8::internal::Trace::is_trivial(), v8::internal::RegExpCompiler::macro_assembler(), v8::internal::RegExpMacroAssembler::Succeed(), UNIMPLEMENTED, and UNREACHABLE.

Here is the call graph for this function:

FillInBMInfo()

virtual void v8::internal::EndNode::FillInBMInfo ( int  offset, int  budget, BoyerMooreLookahead *  bm, bool  not_at_start  )

inlinevirtual

Reimplemented from v8::internal::RegExpNode.

Definition at line 981 of file jsregexp.h.

                                               {
    // Returning 0 from EatsAtLeast should ensure we never get here.
    UNREACHABLE();
  }

References UNREACHABLE.

GetQuickCheckDetails()

virtual void v8::internal::EndNode::GetQuickCheckDetails ( QuickCheckDetails *  details, RegExpCompiler *  compiler, int  characters_filled_in, bool  not_at_start  )

inlinevirtual

Implements v8::internal::RegExpNode.

Definition at line 974 of file jsregexp.h.

                                                       {
    // Returning 0 from EatsAtLeast should ensure we never get here.
    UNREACHABLE();
  }

References UNREACHABLE.

Member Data Documentation

action_

Action v8::internal::EndNode::action_

private

Definition at line 990 of file jsregexp.h.

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

• /mnt/V8SourceCode/src/jsregexp.h
• /mnt/V8SourceCode/src/jsregexp.cc