Class: TreeHaver::Backends::Java::Node

Inherits:
Object
  • Object
show all
Defined in:
lib/tree_haver/backends/java.rb

Overview

Wrapper for java-tree-sitter Node

See Also:

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(impl) ⇒ Node

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns a new instance of Node.



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# File 'lib/tree_haver/backends/java.rb', line 530

def initialize(impl)
  @impl = impl
end

Instance Attribute Details

#impl ⇒ Object (readonly)

Returns the value of attribute impl.



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# File 'lib/tree_haver/backends/java.rb', line 527

def impl
  @impl
end

Instance Method Details

#child(index) ⇒ Node

Get a child by index

Parameters:

  • index (Integer) —

    the child index

Returns:

  • (Node) —

    the child node



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# File 'lib/tree_haver/backends/java.rb', line 552

def child(index)
  Node.new(@impl.child(index))
end

#child_count ⇒ Integer

Get the number of children

Returns:

  • (Integer) —

    child count



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# File 'lib/tree_haver/backends/java.rb', line 544

def child_count
  @impl.childCount
end

#each {|Node| ... } ⇒ void

This method returns an undefined value.

Iterate over children

Yields:

  • (Node) —

    each child node



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# File 'lib/tree_haver/backends/java.rb', line 560

def each
  return enum_for(:each) unless block_given?
  child_count.times do |i|
    yield child(i)
  end
end

#end_byte ⇒ Integer

Get the end byte position

Returns:

  • (Integer) —

    end byte



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# File 'lib/tree_haver/backends/java.rb', line 577

def end_byte
  @impl.endByte
end

#end_point ⇒ Hash

Get the end point (row, column)

Returns:

  • (Hash) —

    with :row and :column keys



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# File 'lib/tree_haver/backends/java.rb', line 592

def end_point
  pt = @impl.endPoint
  {row: pt.row, column: pt.column}
end

#has_error? ⇒ Boolean

Check if this node has an error

Returns:

  • (Boolean) —

    true if the node or any descendant has an error



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# File 'lib/tree_haver/backends/java.rb', line 600

def has_error?
  @impl.hasError
end

#missing? ⇒ Boolean

Check if this node is missing

Returns:

  • (Boolean) —

    true if this is a MISSING node



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# File 'lib/tree_haver/backends/java.rb', line 607

def missing?
  @impl.isMissing
end

#start_byte ⇒ Integer

Get the start byte position

Returns:

  • (Integer) —

    start byte



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# File 'lib/tree_haver/backends/java.rb', line 570

def start_byte
  @impl.startByte
end

#start_point ⇒ Hash

Get the start point (row, column)

Returns:

  • (Hash) —

    with :row and :column keys



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# File 'lib/tree_haver/backends/java.rb', line 584

def start_point
  pt = @impl.startPoint
  {row: pt.row, column: pt.column}
end

#text ⇒ String

Get the text of this node

Returns:

  • (String) —

    the source text



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# File 'lib/tree_haver/backends/java.rb', line 614

def text
  @impl.text.to_s
end

#type ⇒ String

Get the type of this node

Returns:

  • (String) —

    the node type



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# File 'lib/tree_haver/backends/java.rb', line 537

def type
  @impl.type
end