dart::BlockLabel Class Reference

Convenience wrapper around a BlockEntryInstr pointer. More...

#include <regexp_assembler.h>

Inheritance diagram for dart::BlockLabel:

Public Member Functions
	BlockLabel ()
	~BlockLabel ()
intptr_t	pos () const
bool	is_bound () const
bool	is_linked () const
JoinEntryInstr *	block () const
void	Unuse ()
void	BindTo (intptr_t pos)
void	LinkTo (intptr_t pos)
void	SetLinked ()
Public Member Functions inherited from dart::ValueObject
	ValueObject ()
	~ValueObject ()

Detailed Description

Convenience wrapper around a BlockEntryInstr pointer.

Definition at line 37 of file regexp_assembler.h.

Constructor & Destructor Documentation

BlockLabel()

dart::BlockLabel::BlockLabel

(

)

Definition at line 100 of file regexp_assembler.cc.

                       {
#if !defined(DART_PRECOMPILED_RUNTIME)
  if (!FLAG_interpret_irregexp) {
    // Only needed by the compiled IR backend.
    block_ =
        new JoinEntryInstr(-1, -1, CompilerState::Current().GetNextDeoptId());
  }
#endif
}

~BlockLabel()

dart::BlockLabel::~BlockLabel ( )

inline

Definition at line 41 of file regexp_assembler.h.

{ ASSERT(!is_linked()); }

Member Function Documentation

BindTo()

void dart::BlockLabel::BindTo ( intptr_t  pos )

inline

Definition at line 56 of file regexp_assembler.h.

                            {
    pos_ = pos;
#if !defined(DART_PRECOMPILED_RUNTIME)
    if (block_ != nullptr) block_->set_block_id(pos);
#endif  // !defined(DART_PRECOMPILED_RUNTIME)
    is_bound_ = true;
    is_linked_ = false;
    ASSERT(is_bound());
  }

block()

JoinEntryInstr * dart::BlockLabel::block ( ) const

inline

Definition at line 47 of file regexp_assembler.h.

{ return block_; }

is_bound()

bool dart::BlockLabel::is_bound ( ) const

inline

Definition at line 44 of file regexp_assembler.h.

{ return is_bound_; }

is_linked()

bool dart::BlockLabel::is_linked ( ) const

inline

Definition at line 45 of file regexp_assembler.h.

{ return !is_bound_ && is_linked_; }

LinkTo()

void dart::BlockLabel::LinkTo ( intptr_t  pos )

inline

Definition at line 68 of file regexp_assembler.h.

                            {
#if !defined(DART_PRECOMPILED_RUNTIME)
    ASSERT(block_ == nullptr);
#endif
    ASSERT(!is_bound_);
    pos_ = pos;
    is_linked_ = true;
  }

pos()

intptr_t dart::BlockLabel::pos ( ) const

inline

Definition at line 43 of file regexp_assembler.h.

{ return pos_; }

SetLinked()

void dart::BlockLabel::SetLinked ( )

inline

Definition at line 78 of file regexp_assembler.h.

                   {
#if !defined(DART_PRECOMPILED_RUNTIME)
    ASSERT(block_ != nullptr);
#endif
    if (!is_bound_) {
      is_linked_ = true;
    }
  }

Unuse()

void dart::BlockLabel::Unuse ( )

inline

Definition at line 50 of file regexp_assembler.h.

               {
    pos_ = -1;
    is_bound_ = false;
    is_linked_ = false;
  }

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

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