dart::kernel::VariableDeclarationHelper Class Reference

#include <kernel_translation_helper.h>

Public Types
enum	Field {   kPosition , kEqualPosition , kAnnotations , kFlags ,   kNameIndex , kType , kInitializer , kEnd }
enum	Flag {   kFinal = 1 << 0 , kConst = 1 << 1 , kHasDeclaredInitializer = 1 << 2 , kIsGenericCovariantImpl = 1 << 4 ,   kLate = 1 << 5 , kRequired = 1 << 6 , kCovariant = 1 << 7 , kLowered = 1 << 8 ,   kSynthesized = 1 << 9 , kHoisted = 1 << 10 }

Public Member Functions
	VariableDeclarationHelper (KernelReaderHelper *helper)
void	ReadUntilIncluding (Field field)
void	ReadUntilExcluding (Field field)
void	SetNext (Field field)
void	SetJustRead (Field field)
bool	IsConst () const
bool	IsFinal () const
bool	IsCovariant () const
bool	IsLate () const
bool	IsRequired () const
bool	IsSynthesized () const
bool	IsHoisted () const
bool	HasDeclaredInitializer () const
bool	IsGenericCovariantImpl () const

Public Attributes
TokenPosition	position_ = TokenPosition::kNoSource
TokenPosition	equals_position_ = TokenPosition::kNoSource
uint32_t	flags_ = 0
StringIndex	name_index_
intptr_t	annotation_count_ = 0

Detailed Description

Definition at line 398 of file kernel_translation_helper.h.

Member Enumeration Documentation

Field

enum dart::kernel::VariableDeclarationHelper::Field

Enumerator
kPosition
kEqualPosition
kAnnotations
kFlags
kNameIndex
kType
kInitializer
kEnd

Definition at line 400 of file kernel_translation_helper.h.

             {
    kPosition,
    kEqualPosition,
    kAnnotations,
    kFlags,
    kNameIndex,
    kType,
    kInitializer,
    kEnd,
  };

Flag

enum dart::kernel::VariableDeclarationHelper::Flag

Enumerator
kFinal
kConst
kHasDeclaredInitializer
kIsGenericCovariantImpl
kLate
kRequired
kCovariant
kLowered
kSynthesized
kHoisted

Definition at line 411 of file kernel_translation_helper.h.

            {
    kFinal = 1 << 0,
    kConst = 1 << 1,
    kHasDeclaredInitializer = 1 << 2,
    kIsGenericCovariantImpl = 1 << 4,
    kLate = 1 << 5,
    kRequired = 1 << 6,
    kCovariant = 1 << 7,
    kLowered = 1 << 8,
    kSynthesized = 1 << 9,
    kHoisted = 1 << 10,
  };

Constructor & Destructor Documentation

VariableDeclarationHelper()

dart::kernel::VariableDeclarationHelper::VariableDeclarationHelper ( KernelReaderHelper *  helper )

inlineexplicit

Definition at line 424 of file kernel_translation_helper.h.

      : annotation_count_(0), helper_(helper), next_read_(kPosition) {}

Member Function Documentation

HasDeclaredInitializer()

bool dart::kernel::VariableDeclarationHelper::HasDeclaredInitializer ( ) const

inline

Definition at line 443 of file kernel_translation_helper.h.

                                      {
    return (flags_ & kHasDeclaredInitializer) != 0;
  }

IsConst()

bool dart::kernel::VariableDeclarationHelper::IsConst ( ) const

inline

Definition at line 436 of file kernel_translation_helper.h.

{ return (flags_ & kConst) != 0; }

IsCovariant()

bool dart::kernel::VariableDeclarationHelper::IsCovariant ( ) const

inline

Definition at line 438 of file kernel_translation_helper.h.

{ return (flags_ & kCovariant) != 0; }

IsFinal()

bool dart::kernel::VariableDeclarationHelper::IsFinal ( ) const

inline

Definition at line 437 of file kernel_translation_helper.h.

{ return (flags_ & kFinal) != 0; }

IsGenericCovariantImpl()

bool dart::kernel::VariableDeclarationHelper::IsGenericCovariantImpl ( ) const

inline

Definition at line 447 of file kernel_translation_helper.h.

                                      {
    return (flags_ & kIsGenericCovariantImpl) != 0;
  }

IsHoisted()

bool dart::kernel::VariableDeclarationHelper::IsHoisted ( ) const

inline

Definition at line 442 of file kernel_translation_helper.h.

{ return (flags_ & kHoisted) != 0; }

IsLate()

bool dart::kernel::VariableDeclarationHelper::IsLate ( ) const

inline

Definition at line 439 of file kernel_translation_helper.h.

{ return (flags_ & kLate) != 0; }

IsRequired()

bool dart::kernel::VariableDeclarationHelper::IsRequired ( ) const

inline

Definition at line 440 of file kernel_translation_helper.h.

{ return (flags_ & kRequired) != 0; }

IsSynthesized()

bool dart::kernel::VariableDeclarationHelper::IsSynthesized ( ) const

inline

Definition at line 441 of file kernel_translation_helper.h.

{ return (flags_ & kSynthesized) != 0; }

ReadUntilExcluding()

void dart::kernel::VariableDeclarationHelper::ReadUntilExcluding

(

Field

field

)

Definition at line 1052 of file kernel_translation_helper.cc.

                                                              {
  if (field <= next_read_) return;
 
  // Ordered with fall-through.
  switch (next_read_) {
    case kPosition:
      position_ = helper_->ReadPosition();  // read position.
      if (++next_read_ == field) return;
      FALL_THROUGH;
    case kEqualPosition:
      equals_position_ = helper_->ReadPosition();  // read equals position.
      if (++next_read_ == field) return;
      FALL_THROUGH;
    case kAnnotations:
      annotation_count_ = helper_->ReadListLength();  // read list length.
      for (intptr_t i = 0; i < annotation_count_; ++i) {
        helper_->SkipExpression();  // read ith expression.
      }
      if (++next_read_ == field) return;
      FALL_THROUGH;
    case kFlags:
      flags_ = helper_->ReadUInt();
      if (++next_read_ == field) return;
      FALL_THROUGH;
    case kNameIndex:
      name_index_ = helper_->ReadStringReference();  // read name index.
      if (++next_read_ == field) return;
      FALL_THROUGH;
    case kType:
      helper_->SkipDartType();  // read type.
      if (++next_read_ == field) return;
      FALL_THROUGH;
    case kInitializer:
      if (helper_->ReadTag() == kSomething)
        helper_->SkipExpression();  // read initializer.
      if (++next_read_ == field) return;
      FALL_THROUGH;
    case kEnd:
      return;
  }
}

ReadUntilIncluding()

void dart::kernel::VariableDeclarationHelper::ReadUntilIncluding ( Field  field )

inline

Definition at line 427 of file kernel_translation_helper.h.

                                       {
    ReadUntilExcluding(static_cast<Field>(static_cast<int>(field) + 1));
  }

SetJustRead()

void dart::kernel::VariableDeclarationHelper::SetJustRead ( Field  field )

inline

Definition at line 434 of file kernel_translation_helper.h.

{ next_read_ = field + 1; }

SetNext()

void dart::kernel::VariableDeclarationHelper::SetNext ( Field  field )

inline

Definition at line 433 of file kernel_translation_helper.h.

{ next_read_ = field; }

Member Data Documentation

annotation_count_

intptr_t dart::kernel::VariableDeclarationHelper::annotation_count_ = 0

Definition at line 455 of file kernel_translation_helper.h.

equals_position_

TokenPosition dart::kernel::VariableDeclarationHelper::equals_position_ = TokenPosition::kNoSource

Definition at line 452 of file kernel_translation_helper.h.

flags_

uint32_t dart::kernel::VariableDeclarationHelper::flags_ = 0

Definition at line 453 of file kernel_translation_helper.h.

name_index_

StringIndex dart::kernel::VariableDeclarationHelper::name_index_

Definition at line 454 of file kernel_translation_helper.h.

position_

TokenPosition dart::kernel::VariableDeclarationHelper::position_ = TokenPosition::kNoSource

Definition at line 451 of file kernel_translation_helper.h.

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

• third_party/dart-lang/sdk/runtime/vm/compiler/frontend/kernel_translation_helper.h
• third_party/dart-lang/sdk/runtime/vm/compiler/frontend/kernel_translation_helper.cc