dart::EndNode Class Reference

#include <regexp.h>

Inheritance diagram for dart::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 intptr_t	EatsAtLeast (intptr_t still_to_find, intptr_t recursion_depth, bool not_at_start)
virtual void	GetQuickCheckDetails (QuickCheckDetails *details, RegExpCompiler *compiler, intptr_t characters_filled_in, bool not_at_start)
virtual void	FillInBMInfo (intptr_t offset, intptr_t budget, BoyerMooreLookahead *bm, bool not_at_start)
Public Member Functions inherited from dart::RegExpNode
	RegExpNode (Zone *zone)
virtual	~RegExpNode ()
virtual void	Accept (NodeVisitor *visitor)=0
virtual void	Emit (RegExpCompiler *compiler, Trace *trace)=0
virtual intptr_t	EatsAtLeast (intptr_t still_to_find, intptr_t budget, bool not_at_start)=0
bool	EmitQuickCheck (RegExpCompiler *compiler, Trace *bounds_check_trace, Trace *trace, bool preload_has_checked_bounds, BlockLabel *on_possible_success, QuickCheckDetails *details_return, bool fall_through_on_failure)
virtual void	GetQuickCheckDetails (QuickCheckDetails *details, RegExpCompiler *compiler, intptr_t characters_filled_in, bool not_at_start)=0
virtual intptr_t	GreedyLoopTextLength ()
virtual RegExpNode *	GetSuccessorOfOmnivorousTextNode (RegExpCompiler *compiler)
virtual void	FillInBMInfo (intptr_t offset, intptr_t budget, BoyerMooreLookahead *bm, bool not_at_start)
virtual RegExpNode *	FilterOneByte (intptr_t depth)
RegExpNode *	replacement ()
RegExpNode *	set_replacement (RegExpNode *replacement)
void	SaveBMInfo (BoyerMooreLookahead *bm, bool not_at_start, intptr_t offset)
BlockLabel *	label ()
NodeInfo *	info ()
BoyerMooreLookahead *	bm_info (bool not_at_start)
Zone *	zone () const
Public Member Functions inherited from dart::ZoneAllocated
	ZoneAllocated ()
void *	operator new (size_t size)
void *	operator new (size_t size, Zone *zone)
void	operator delete (void *pointer)

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

Detailed Description

Definition at line 809 of file regexp.h.

Member Enumeration Documentation

Action

enum dart::EndNode::Action

Enumerator
ACCEPT
BACKTRACK
NEGATIVE_SUBMATCH_SUCCESS

Definition at line 811 of file regexp.h.

{ ACCEPT, BACKTRACK, NEGATIVE_SUBMATCH_SUCCESS };

Constructor & Destructor Documentation

EndNode()

dart::EndNode::EndNode ( Action  action, Zone *  zone  )

inlineexplicit

Definition at line 812 of file regexp.h.

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

Member Function Documentation

Accept()

virtual void dart::EndNode::Accept ( NodeVisitor *  visitor )

virtual

Implements dart::RegExpNode.

EatsAtLeast()

virtual intptr_t dart::EndNode::EatsAtLeast ( intptr_t  still_to_find, intptr_t  recursion_depth, bool  not_at_start  )

inlinevirtual

Implements dart::RegExpNode.

Definition at line 816 of file regexp.h.

                                                  {
    return 0;
  }

Emit()

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

virtual

Implements dart::RegExpNode.

Reimplemented in dart::NegativeSubmatchSuccess.

Definition at line 728 of file regexp.cc.

                                                         {
  if (!trace->is_trivial()) {
    trace->Flush(compiler, this);
    return;
  }
  RegExpMacroAssembler* assembler = compiler->macro_assembler();
  if (!label()->is_bound()) {
    assembler->BindBlock(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();
}

FillInBMInfo()

virtual void dart::EndNode::FillInBMInfo ( intptr_t  offset, intptr_t  budget, BoyerMooreLookahead *  bm, bool  not_at_start  )

inlinevirtual

Reimplemented from dart::RegExpNode.

Definition at line 828 of file regexp.h.

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

GetQuickCheckDetails()

virtual void dart::EndNode::GetQuickCheckDetails ( QuickCheckDetails *  details, RegExpCompiler *  compiler, intptr_t  characters_filled_in, bool  not_at_start  )

inlinevirtual

Implements dart::RegExpNode.

Definition at line 821 of file regexp.h.

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

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

• third_party/dart-lang/sdk/runtime/vm/regexp.h
• third_party/dart-lang/sdk/runtime/vm/regexp.cc