dart::kernel::LibraryIndex Class Reference

#include <kernel_loader.h>

Public Member Functions
	LibraryIndex (const TypedDataView &kernel_data)
intptr_t	class_count () const
intptr_t	procedure_count () const
intptr_t	ClassOffset (intptr_t index) const
intptr_t	ProcedureOffset (intptr_t index) const
intptr_t	SizeOfClassAtOffset (intptr_t class_offset) const
intptr_t	SourceReferencesOffset ()

Detailed Description

Definition at line 84 of file kernel_loader.h.

Constructor & Destructor Documentation

LibraryIndex()

dart::kernel::LibraryIndex::LibraryIndex ( const TypedDataView &  kernel_data )

explicit

Definition at line 181 of file kernel_loader.cc.

    : reader_(kernel_data) {
  intptr_t data_size = reader_.size();
 
  procedure_count_ = reader_.ReadUInt32At(data_size - 4);
  procedure_index_offset_ = data_size - 4 - (procedure_count_ + 1) * 4;
 
  class_count_ = reader_.ReadUInt32At(procedure_index_offset_ - 4);
  class_index_offset_ = procedure_index_offset_ - 4 - (class_count_ + 1) * 4;
 
  source_references_offset_ = -1;
  source_references_offset_ = reader_.ReadUInt32At(class_index_offset_ - 4);
}

Member Function Documentation

class_count()

intptr_t dart::kernel::LibraryIndex::class_count ( ) const

inline

Definition at line 88 of file kernel_loader.h.

{ return class_count_; }

ClassOffset()

intptr_t dart::kernel::LibraryIndex::ClassOffset ( intptr_t  index ) const

inline

Definition at line 91 of file kernel_loader.h.

                                             {
    return reader_.ReadUInt32At(class_index_offset_ + index * 4);
  }

procedure_count()

intptr_t dart::kernel::LibraryIndex::procedure_count ( ) const

inline

Definition at line 89 of file kernel_loader.h.

{ return procedure_count_; }

ProcedureOffset()

intptr_t dart::kernel::LibraryIndex::ProcedureOffset ( intptr_t  index ) const

inline

Definition at line 95 of file kernel_loader.h.

                                                 {
    return reader_.ReadUInt32At(procedure_index_offset_ + index * 4);
  }

SizeOfClassAtOffset()

intptr_t dart::kernel::LibraryIndex::SizeOfClassAtOffset ( intptr_t  class_offset ) const

inline

Definition at line 99 of file kernel_loader.h.

                                                            {
    for (intptr_t i = 0, offset = class_index_offset_; i < class_count_;
         ++i, offset += 4) {
      if (static_cast<intptr_t>(reader_.ReadUInt32At(offset)) == class_offset) {
        return reader_.ReadUInt32At(offset + 4) - class_offset;
      }
    }
    UNREACHABLE();
    return -1;
  }

SourceReferencesOffset()

intptr_t dart::kernel::LibraryIndex::SourceReferencesOffset ( )

inline

Definition at line 110 of file kernel_loader.h.

{ return source_references_offset_; }

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

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