dart::kernel::ClassHelper Class Reference

#include <kernel_translation_helper.h>

Public Types
enum	Field {   kStart , kCanonicalName , kSourceUriIndex , kStartPosition ,   kPosition , kEndPosition , kFlags , kNameIndex ,   kAnnotations , kTypeParameters , kSuperClass , kMixinType ,   kImplementedClasses , kFields , kConstructors , kProcedures ,   kClassIndex , kEnd }
enum	Flag {   kIsAbstract = 1 << 0 , kIsEnumClass = 1 << 1 , kIsAnonymousMixin = 1 << 2 , kIsEliminatedMixin = 1 << 3 ,   kFlagMixinDeclaration = 1 << 4 , kHasConstConstructor = 1 << 5 , kIsMacro = 1 << 6 , kIsSealed = 1 << 7 ,   kIsMixinClass = 1 << 8 , kIsBase = 1 << 9 , kIsInterface = 1 << 10 , kIsFinal = 1 << 11 }

Public Member Functions
	ClassHelper (KernelReaderHelper *helper)
void	ReadUntilIncluding (Field field)
void	ReadUntilExcluding (Field field)
void	SetNext (Field field)
void	SetJustRead (Field field)
bool	is_abstract () const
bool	is_enum_class () const
bool	is_transformed_mixin_application () const
bool	has_const_constructor () const
bool	is_sealed () const
bool	is_mixin_class () const
bool	is_base () const
bool	is_interface () const
bool	is_final () const

Public Attributes
NameIndex	canonical_name_
TokenPosition	start_position_ = TokenPosition::kNoSource
TokenPosition	position_ = TokenPosition::kNoSource
TokenPosition	end_position_ = TokenPosition::kNoSource
StringIndex	name_index_
intptr_t	source_uri_index_ = 0
intptr_t	annotation_count_ = 0
intptr_t	procedure_count_ = 0
uint32_t	flags_ = 0

Detailed Description

Definition at line 727 of file kernel_translation_helper.h.

Member Enumeration Documentation

Field

enum dart::kernel::ClassHelper::Field

Enumerator
kStart
kCanonicalName
kSourceUriIndex
kStartPosition
kPosition
kEndPosition
kFlags
kNameIndex
kAnnotations
kTypeParameters
kSuperClass
kMixinType
kImplementedClasses
kFields
kConstructors
kProcedures
kClassIndex
kEnd

Definition at line 729 of file kernel_translation_helper.h.

             {
    kStart,  // tag.
    kCanonicalName,
    kSourceUriIndex,
    kStartPosition,
    kPosition,
    kEndPosition,
    kFlags,
    kNameIndex,
    kAnnotations,
    kTypeParameters,
    kSuperClass,
    kMixinType,
    kImplementedClasses,
    kFields,
    kConstructors,
    kProcedures,
    kClassIndex,
    kEnd,
  };

Flag

enum dart::kernel::ClassHelper::Flag

Enumerator
kIsAbstract
kIsEnumClass
kIsAnonymousMixin
kIsEliminatedMixin
kFlagMixinDeclaration
kHasConstConstructor
kIsMacro
kIsSealed
kIsMixinClass
kIsBase
kIsInterface
kIsFinal

Definition at line 750 of file kernel_translation_helper.h.

            {
    kIsAbstract = 1 << 0,
    kIsEnumClass = 1 << 1,
    kIsAnonymousMixin = 1 << 2,
    kIsEliminatedMixin = 1 << 3,
    kFlagMixinDeclaration = 1 << 4,
    kHasConstConstructor = 1 << 5,
    kIsMacro = 1 << 6,
    kIsSealed = 1 << 7,
    kIsMixinClass = 1 << 8,
    kIsBase = 1 << 9,
    kIsInterface = 1 << 10,
    kIsFinal = 1 << 11,
  };

Constructor & Destructor Documentation

ClassHelper()

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

inlineexplicit

Definition at line 765 of file kernel_translation_helper.h.

      : helper_(helper), next_read_(kStart) {}

Member Function Documentation

has_const_constructor()

bool dart::kernel::ClassHelper::has_const_constructor ( ) const

inline

Definition at line 785 of file kernel_translation_helper.h.

                                     {
    return (flags_ & Flag::kHasConstConstructor) != 0;
  }

is_abstract()

bool dart::kernel::ClassHelper::is_abstract ( ) const

inline

Definition at line 777 of file kernel_translation_helper.h.

{ return (flags_ & Flag::kIsAbstract) != 0; }

is_base()

bool dart::kernel::ClassHelper::is_base ( ) const

inline

Definition at line 793 of file kernel_translation_helper.h.

{ return (flags_ & Flag::kIsBase) != 0; }

is_enum_class()

bool dart::kernel::ClassHelper::is_enum_class ( ) const

inline

Definition at line 779 of file kernel_translation_helper.h.

{ return (flags_ & Flag::kIsEnumClass) != 0; }

is_final()

bool dart::kernel::ClassHelper::is_final ( ) const

inline

Definition at line 797 of file kernel_translation_helper.h.

{ return (flags_ & Flag::kIsFinal) != 0; }

is_interface()

bool dart::kernel::ClassHelper::is_interface ( ) const

inline

Definition at line 795 of file kernel_translation_helper.h.

{ return (flags_ & Flag::kIsInterface) != 0; }

is_mixin_class()

bool dart::kernel::ClassHelper::is_mixin_class ( ) const

inline

Definition at line 791 of file kernel_translation_helper.h.

{ return (flags_ & Flag::kIsMixinClass) != 0; }

is_sealed()

bool dart::kernel::ClassHelper::is_sealed ( ) const

inline

Definition at line 789 of file kernel_translation_helper.h.

{ return (flags_ & Flag::kIsSealed) != 0; }

is_transformed_mixin_application()

bool dart::kernel::ClassHelper::is_transformed_mixin_application ( ) const

inline

Definition at line 781 of file kernel_translation_helper.h.

                                                {
    return (flags_ & Flag::kIsEliminatedMixin) != 0;
  }

ReadUntilExcluding()

void dart::kernel::ClassHelper::ReadUntilExcluding

(

Field

field

)

Definition at line 1315 of file kernel_translation_helper.cc.

                                                {
  if (field <= next_read_) return;
 
  // Ordered with fall-through.
  switch (next_read_) {
    case kStart: {
      Tag tag = helper_->ReadTag();  // read tag.
      ASSERT(tag == kClass);
      if (++next_read_ == field) return;
    }
      FALL_THROUGH;
    case kCanonicalName:
      canonical_name_ =
          helper_->ReadCanonicalNameReference();  // read canonical_name.
      if (++next_read_ == field) return;
      FALL_THROUGH;
    case kSourceUriIndex:
      source_uri_index_ = helper_->ReadUInt();  // read source_uri_index.
      helper_->set_current_script_id(source_uri_index_);
      if (++next_read_ == field) return;
      FALL_THROUGH;
    case kStartPosition:
      start_position_ = helper_->ReadPosition();  // read position.
      if (++next_read_ == field) return;
      FALL_THROUGH;
    case kPosition:
      position_ = helper_->ReadPosition();  // read position.
      if (++next_read_ == field) return;
      FALL_THROUGH;
    case kEndPosition:
      end_position_ = helper_->ReadPosition();  // read end position.
      if (++next_read_ == field) return;
      FALL_THROUGH;
    case kFlags:
      flags_ = helper_->ReadUInt();  // read flags.
      if (++next_read_ == field) return;
      FALL_THROUGH;
    case kNameIndex:
      name_index_ = helper_->ReadStringReference();  // read name index.
      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 kTypeParameters:
      helper_->SkipTypeParametersList();  // read type parameters.
      if (++next_read_ == field) return;
      FALL_THROUGH;
    case kSuperClass: {
      Tag type_tag = helper_->ReadTag();  // read super class type (part 1).
      if (type_tag == kSomething) {
        helper_->SkipDartType();  // read super class type (part 2).
      }
      if (++next_read_ == field) return;
    }
      FALL_THROUGH;
    case kMixinType: {
      Tag type_tag = helper_->ReadTag();  // read mixin type (part 1).
      if (type_tag == kSomething) {
        helper_->SkipDartType();  // read mixin type (part 2).
      }
      if (++next_read_ == field) return;
    }
      FALL_THROUGH;
    case kImplementedClasses:
      helper_->SkipListOfDartTypes();  // read implemented_classes.
      if (++next_read_ == field) return;
      FALL_THROUGH;
    case kFields: {
      intptr_t list_length =
          helper_->ReadListLength();  // read fields list length.
      for (intptr_t i = 0; i < list_length; i++) {
        FieldHelper field_helper(helper_);
        field_helper.ReadUntilExcluding(FieldHelper::kEnd);  // read field.
      }
      if (++next_read_ == field) return;
    }
      FALL_THROUGH;
    case kConstructors: {
      intptr_t list_length =
          helper_->ReadListLength();  // read constructors list length.
      for (intptr_t i = 0; i < list_length; i++) {
        ConstructorHelper constructor_helper(helper_);
        constructor_helper.ReadUntilExcluding(
            ConstructorHelper::kEnd);  // read constructor.
      }
      if (++next_read_ == field) return;
    }
      FALL_THROUGH;
    case kProcedures: {
      procedure_count_ = helper_->ReadListLength();  // read procedures #.
      for (intptr_t i = 0; i < procedure_count_; i++) {
        ProcedureHelper procedure_helper(helper_);
        procedure_helper.ReadUntilExcluding(
            ProcedureHelper::kEnd);  // read procedure.
      }
      if (++next_read_ == field) return;
    }
      FALL_THROUGH;
    case kClassIndex:
      // Read class index.
      for (intptr_t i = 0; i < procedure_count_; ++i) {
        helper_->reader_.ReadUInt32();
      }
      helper_->reader_.ReadUInt32();
      helper_->reader_.ReadUInt32();
      if (++next_read_ == field) return;
      FALL_THROUGH;
    case kEnd:
      return;
  }
}

ReadUntilIncluding()

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

inline

Definition at line 768 of file kernel_translation_helper.h.

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

SetJustRead()

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

inline

Definition at line 775 of file kernel_translation_helper.h.

{ next_read_ = field + 1; }

SetNext()

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

inline

Definition at line 774 of file kernel_translation_helper.h.

{ next_read_ = field; }

Member Data Documentation

annotation_count_

intptr_t dart::kernel::ClassHelper::annotation_count_ = 0

Definition at line 805 of file kernel_translation_helper.h.

canonical_name_

NameIndex dart::kernel::ClassHelper::canonical_name_

Definition at line 799 of file kernel_translation_helper.h.

end_position_

TokenPosition dart::kernel::ClassHelper::end_position_ = TokenPosition::kNoSource

Definition at line 802 of file kernel_translation_helper.h.

flags_

uint32_t dart::kernel::ClassHelper::flags_ = 0

Definition at line 807 of file kernel_translation_helper.h.

name_index_

StringIndex dart::kernel::ClassHelper::name_index_

Definition at line 803 of file kernel_translation_helper.h.

position_

TokenPosition dart::kernel::ClassHelper::position_ = TokenPosition::kNoSource

Definition at line 801 of file kernel_translation_helper.h.

procedure_count_

intptr_t dart::kernel::ClassHelper::procedure_count_ = 0

Definition at line 806 of file kernel_translation_helper.h.

source_uri_index_

intptr_t dart::kernel::ClassHelper::source_uri_index_ = 0

Definition at line 804 of file kernel_translation_helper.h.

start_position_

TokenPosition dart::kernel::ClassHelper::start_position_ = TokenPosition::kNoSource

Definition at line 800 of file kernel_translation_helper.h.

---

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