v8::internal::FixedArrayBuilder Class Reference

#include <string-builder.h>

Collaboration diagram for v8::internal::FixedArrayBuilder:

Public Member Functions
	FixedArrayBuilder (Isolate *isolate, int initial_capacity)
	FixedArrayBuilder (Handle< FixedArray > backing_store)
bool	HasCapacity (int elements)
void	EnsureCapacity (int elements)
void	Add (Object *value)
void	Add (Smi *value)
Handle< FixedArray >	array ()
int	length ()
int	capacity ()
Handle< JSArray >	ToJSArray (Handle< JSArray > target_array)

Private Attributes
Handle< FixedArray >	array_
int	length_
bool	has_non_smi_elements_

Detailed Description

Definition at line 110 of file string-builder.h.

Constructor & Destructor Documentation

FixedArrayBuilder() [1/2]

v8::internal::FixedArrayBuilder::FixedArrayBuilder ( Isolate *  isolate, int  initial_capacity  )

inlineexplicit

Definition at line 112 of file string-builder.h.

      : array_(isolate->factory()->NewFixedArrayWithHoles(initial_capacity)),
        length_(0),
        has_non_smi_elements_(false) {
    // Require a non-zero initial size. Ensures that doubling the size to
    // extend the array will work.
    DCHECK(initial_capacity > 0);
  }

References DCHECK.

FixedArrayBuilder() [2/2]

v8::internal::FixedArrayBuilder::FixedArrayBuilder ( Handle< FixedArray >  backing_store )

inlineexplicit

Definition at line 121 of file string-builder.h.

      : array_(backing_store), length_(0), has_non_smi_elements_(false) {
    // Require a non-zero initial size. Ensures that doubling the size to
    // extend the array will work.
    DCHECK(backing_store->length() > 0);
  }

References DCHECK.

Member Function Documentation

Add() [1/2]

void v8::internal::FixedArrayBuilder::Add ( Object *  value )

inline

Definition at line 149 of file string-builder.h.

                          {
    DCHECK(!value->IsSmi());
    DCHECK(length_ < capacity());
    array_->set(length_, value);
    length_++;
    has_non_smi_elements_ = true;
  }

References array_, capacity(), DCHECK, has_non_smi_elements_, and length_.

Referenced by v8::internal::ReplacementStringBuilder::AddElement(), v8::internal::ReplacementStringBuilder::AddSubjectSlice(), and v8::internal::SearchRegExpMultiple().

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Add() [2/2]

void v8::internal::FixedArrayBuilder::Add ( Smi *  value )

inline

Definition at line 157 of file string-builder.h.

                       {
    DCHECK(value->IsSmi());
    DCHECK(length_ < capacity());
    array_->set(length_, value);
    length_++;
  }

References array_, capacity(), DCHECK, and length_.

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array()

Handle<FixedArray> v8::internal::FixedArrayBuilder::array ( )

inline

Definition at line 164 of file string-builder.h.

{ return array_; }

References array_.

Referenced by v8::internal::SearchRegExpMultiple(), and v8::internal::ReplacementStringBuilder::ToString().

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capacity()

int v8::internal::FixedArrayBuilder::capacity ( )

inline

Definition at line 168 of file string-builder.h.

{ return array_->length(); }

References array_.

Referenced by Add(), and v8::internal::ReplacementStringBuilder::AddElement().

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EnsureCapacity()

void v8::internal::FixedArrayBuilder::EnsureCapacity ( int  elements )

inline

Definition at line 134 of file string-builder.h.

                                    {
    int length = array_->length();
    int required_length = length_ + elements;
    if (length < required_length) {
      int new_length = length;
      do {
        new_length *= 2;
      } while (new_length < required_length);
      Handle<FixedArray> extended_array =
          array_->GetIsolate()->factory()->NewFixedArrayWithHoles(new_length);
      array_->CopyTo(0, *extended_array, 0, length_);
      array_ = extended_array;
    }
  }

References array_, length(), and length_.

Referenced by v8::internal::ReplacementStringBuilder::EnsureCapacity(), and v8::internal::SearchRegExpMultiple().

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HasCapacity()

bool v8::internal::FixedArrayBuilder::HasCapacity ( int  elements )

inline

Definition at line 128 of file string-builder.h.

                                 {
    int length = array_->length();
    int required_length = length_ + elements;
    return (length >= required_length);
  }

References array_, length(), and length_.

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length()

int v8::internal::FixedArrayBuilder::length ( )

inline

Definition at line 166 of file string-builder.h.

{ return length_; }

References length_.

Referenced by v8::internal::ReplacementStringBuilder::AddElement(), EnsureCapacity(), HasCapacity(), v8::internal::SearchRegExpMultiple(), and v8::internal::ReplacementStringBuilder::ToString().

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ToJSArray()

Handle<JSArray> v8::internal::FixedArrayBuilder::ToJSArray ( Handle< JSArray >  target_array )

inline

Definition at line 170 of file string-builder.h.

                                                          {
    JSArray::SetContent(target_array, array_);
    target_array->set_length(Smi::FromInt(length_));
    return target_array;
  }

References array_, v8::internal::Smi::FromInt(), length_, and v8::internal::JSArray::SetContent().

Referenced by v8::internal::SearchRegExpMultiple().

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Member Data Documentation

array_

Handle<FixedArray> v8::internal::FixedArrayBuilder::array_

private

Definition at line 178 of file string-builder.h.

Referenced by Add(), array(), capacity(), EnsureCapacity(), HasCapacity(), and ToJSArray().

has_non_smi_elements_

bool v8::internal::FixedArrayBuilder::has_non_smi_elements_

private

Definition at line 180 of file string-builder.h.

Referenced by Add().

length_

int v8::internal::FixedArrayBuilder::length_

private

Definition at line 179 of file string-builder.h.

Referenced by Add(), EnsureCapacity(), HasCapacity(), length(), and ToJSArray().

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

• /mnt/V8SourceCode/src/runtime/string-builder.h