Trace Class Reference

#include <jsregexp.h>

Data Structures
class	DeferredAction
class	DeferredCapture
class	DeferredClearCaptures
class	DeferredIncrementRegister
class	DeferredSetRegister

Public Types
enum	TriBool { UNKNOWN = -1, FALSE_VALUE = 0, TRUE_VALUE = 1 }

Public Member Functions
	Trace ()
void	Flush (RegExpCompiler *compiler, RegExpNode *successor)
int	cp_offset ()
DeferredAction *	actions ()
bool	is_trivial ()
TriBool	at_start ()
void	set_at_start (bool at_start)
Label *	backtrack ()
Label *	loop_label ()
RegExpNode *	stop_node ()
int	characters_preloaded ()
int	bound_checked_up_to ()
int	flush_budget ()
QuickCheckDetails *	quick_check_performed ()
bool	mentions_reg (int reg)
bool	GetStoredPosition (int reg, int *cp_offset)
void	add_action (DeferredAction *new_action)
void	set_backtrack (Label *backtrack)
void	set_stop_node (RegExpNode *node)
void	set_loop_label (Label *label)
void	set_characters_preloaded (int count)
void	set_bound_checked_up_to (int to)
void	set_flush_budget (int to)
void	set_quick_check_performed (QuickCheckDetails *d)
void	InvalidateCurrentCharacter ()
void	AdvanceCurrentPositionInTrace (int by, RegExpCompiler *compiler)

Detailed Description

Definition at line 1349 of file jsregexp.h.

Member Enumeration Documentation

enum TriBool

Enumerator
UNKNOWN
FALSE_VALUE
TRUE_VALUE

Definition at line 1353 of file jsregexp.h.

Constructor & Destructor Documentation

Trace ( )

inline

Definition at line 1412 of file jsregexp.h.

Member Function Documentation

DeferredAction* actions ( )

inline

Definition at line 1429 of file jsregexp.h.

Referenced by ChoiceNode::Emit().

void add_action ( DeferredAction *  new_action )

inline

Definition at line 1467 of file jsregexp.h.

References ASSERT, and v8::internal::NULL.

Referenced by ActionNode::Emit().

void AdvanceCurrentPositionInTrace	(	int	by,
		RegExpCompiler *	compiler
	)

Definition at line 3404 of file jsregexp.cc.

References QuickCheckDetails::Advance(), RegExpCompiler::ascii(), ASSERT, RegExpMacroAssembler::kMaxCPOffset, v8::internal::Max(), and RegExpCompiler::SetRegExpTooBig().

Referenced by TextNode::Emit().

TriBool at_start ( )

inline

Definition at line 1449 of file jsregexp.h.

Referenced by AssertionNode::Emit(), ChoiceNode::Emit(), and RegExpNode::EmitQuickCheck().

Label* backtrack ( )

inline

Definition at line 1453 of file jsregexp.h.

Referenced by ActionNode::Emit(), AssertionNode::Emit(), BackReferenceNode::Emit(), EndNode::Emit(), ChoiceNode::Emit(), RegExpNode::EmitQuickCheck(), Trace::Flush(), and Trace::set_backtrack().

int bound_checked_up_to ( )

inline

Definition at line 1457 of file jsregexp.h.

Referenced by TextNode::Emit().

int characters_preloaded ( )

inline

Definition at line 1456 of file jsregexp.h.

Referenced by TextNode::Emit(), ChoiceNode::Emit(), and RegExpNode::EmitQuickCheck().

int cp_offset ( )

inline

Definition at line 1428 of file jsregexp.h.

Referenced by ActionNode::Emit(), TextNode::Emit(), AssertionNode::Emit(), LoopChoiceNode::Emit(), RegExpNode::EmitQuickCheck(), and Trace::GetStoredPosition().

void Flush	(	RegExpCompiler *	compiler,
		RegExpNode *	successor
	)

Definition at line 1378 of file jsregexp.cc.

References RegExpMacroAssembler::AdvanceCurrentPosition(), ASSERT, RegExpMacroAssembler::Backtrack(), Trace::backtrack(), RegExpMacroAssembler::Bind(), RegExpNode::Emit(), RegExpMacroAssembler::GoTo(), Trace::is_trivial(), RegExpCompiler::macro_assembler(), v8::internal::NULL, RegExpMacroAssembler::PopCurrentPosition(), RegExpMacroAssembler::PushBacktrack(), RegExpMacroAssembler::PushCurrentPosition(), and RegExpCompiler::zone().

Referenced by ActionNode::Emit(), BackReferenceNode::Emit(), EndNode::Emit(), ChoiceNode::Emit(), LoopChoiceNode::Emit(), and RegExpNode::LimitVersions().

int flush_budget ( )

inline

Definition at line 1458 of file jsregexp.h.

Referenced by ChoiceNode::Emit().

bool GetStoredPosition	(	int	reg,
		int *	cp_offset
	)

Definition at line 1190 of file jsregexp.cc.

References ASSERT_EQ, Trace::cp_offset(), v8::internal::NULL, and ActionNode::STORE_POSITION.

Referenced by ActionNode::Emit().

void InvalidateCurrentCharacter

(

)

Definition at line 3399 of file jsregexp.cc.

Referenced by ChoiceNode::Emit().

bool is_trivial ( )

inline

Definition at line 1440 of file jsregexp.h.

References QuickCheckDetails::characters(), v8::internal::NULL, and Trace::UNKNOWN.

Referenced by ActionNode::Emit(), BackReferenceNode::Emit(), EndNode::Emit(), ChoiceNode::Emit(), LoopChoiceNode::Emit(), Trace::Flush(), and RegExpNode::LimitVersions().

Label* loop_label ( )

inline

Definition at line 1454 of file jsregexp.h.

Referenced by LoopChoiceNode::Emit().

bool mentions_reg

(

int

reg

)

Definition at line 1179 of file jsregexp.cc.

References v8::internal::NULL.

Referenced by ChoiceNode::Emit().

QuickCheckDetails* quick_check_performed ( )

inline

Definition at line 1459 of file jsregexp.h.

Referenced by ChoiceNode::Emit().

void set_at_start ( bool  at_start )

inline

Definition at line 1450 of file jsregexp.h.

References Trace::FALSE_VALUE, and Trace::TRUE_VALUE.

Referenced by TextNode::Emit(), AssertionNode::Emit(), and ChoiceNode::Emit().

void set_backtrack ( Label *  backtrack )

inline

Definition at line 1472 of file jsregexp.h.

References Trace::backtrack().

Referenced by ActionNode::Emit(), and ChoiceNode::Emit().

void set_bound_checked_up_to ( int  to )

inline

Definition at line 1476 of file jsregexp.h.

Referenced by ChoiceNode::Emit().

void set_characters_preloaded ( int  count )

inline

Definition at line 1475 of file jsregexp.h.

Referenced by ChoiceNode::Emit().

void set_flush_budget ( int  to )

inline

Definition at line 1477 of file jsregexp.h.

Referenced by ChoiceNode::Emit().

void set_loop_label ( Label *  label )

inline

Definition at line 1474 of file jsregexp.h.

Referenced by ChoiceNode::Emit().

void set_quick_check_performed ( QuickCheckDetails *  d )

inline

Definition at line 1478 of file jsregexp.h.

Referenced by ChoiceNode::Emit().

void set_stop_node ( RegExpNode *  node )

inline

Definition at line 1473 of file jsregexp.h.

Referenced by ChoiceNode::Emit().

RegExpNode* stop_node ( )

inline

Definition at line 1455 of file jsregexp.h.

Referenced by ChoiceNode::Emit(), LoopChoiceNode::Emit(), and RegExpNode::LimitVersions().

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

• src/jsregexp.h
• src/jsregexp.cc