dart::RegisterSource< RegisterType > Class Template Reference

#include <deopt_instructions.h>

Public Types
enum	Kind { kStackSlot = 0 , kRegister = 1 }

Public Member Functions
	RegisterSource (intptr_t source_index)
	RegisterSource (Kind kind, intptr_t index)
template<typename T >
T	Value (DeoptContext *context) const
intptr_t	StackSlot (DeoptContext *context) const
intptr_t	source_index () const
const char *	ToCString () const

Detailed Description

template<typename RegisterType>
class dart::RegisterSource< RegisterType >

Definition at line 399 of file deopt_instructions.h.

Member Enumeration Documentation

Kind

template<typename RegisterType >

enum dart::RegisterSource::Kind

Enumerator
kStackSlot
kRegister

Definition at line 401 of file deopt_instructions.h.

            {
    // Spilled register source represented as its spill slot.
    kStackSlot = 0,
    // Register source represented as its register index.
    kRegister = 1
  };

Constructor & Destructor Documentation

RegisterSource() [1/2]

template<typename RegisterType >

dart::RegisterSource< RegisterType >::RegisterSource ( intptr_t  source_index )

inlineexplicit

Definition at line 408 of file deopt_instructions.h.

      : source_index_(source_index) {}

RegisterSource() [2/2]

template<typename RegisterType >

dart::RegisterSource< RegisterType >::RegisterSource ( Kind  kind, intptr_t  index  )

inline

Definition at line 411 of file deopt_instructions.h.

      : source_index_(KindField::encode(kind) |
                      UntaggedIndexField::encode(index)) {}

Member Function Documentation

source_index()

template<typename RegisterType >

intptr_t dart::RegisterSource< RegisterType >::source_index ( ) const

inline

Definition at line 431 of file deopt_instructions.h.

{ return source_index_; }

StackSlot()

template<typename RegisterType >

intptr_t dart::RegisterSource< RegisterType >::StackSlot ( DeoptContext *  context ) const

inline

Definition at line 426 of file deopt_instructions.h.

                                                  {
    ASSERT(!is_register());
    return context->GetStackSlot(raw_index());
  }

ToCString()

template<typename RegisterType >

const char * dart::RegisterSource< RegisterType >::ToCString ( ) const

inline

Definition at line 433 of file deopt_instructions.h.

                                {
    if (is_register()) {
      return Name(reg());
    } else {
      return Thread::Current()->zone()->PrintToString("s%" Pd "", raw_index());
    }
  }

Value()

template<typename RegisterType >

template<typename T >

T dart::RegisterSource< RegisterType >::Value ( DeoptContext *  context ) const

inline

Definition at line 416 of file deopt_instructions.h.

                                       {
    if (is_register()) {
      return static_cast<T>(
          RegisterReader<RegisterType, T>::Read(context, reg()));
    } else {
      return *reinterpret_cast<T*>(
          context->GetSourceFrameAddressAt(raw_index()));
    }
  }

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

• third_party/dart-lang/sdk/runtime/vm/deopt_instructions.h