Class: OrigenSTIL::Syntax::Node

Inherits:
AST::Node
  • Object
show all
Defined in:
lib/origen_stil/syntax/node.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#file ⇒ Object (readonly)

Returns the value of attribute file.



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# File 'lib/origen_stil/syntax/node.rb', line 6

def file
  @file
end

#input ⇒ Object (readonly)

Returns the value of attribute input.



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# File 'lib/origen_stil/syntax/node.rb', line 6

def input
  @input
end

#interval ⇒ Object (readonly)

Returns the value of attribute interval.



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# File 'lib/origen_stil/syntax/node.rb', line 6

def interval
  @interval
end

#number_of_lines ⇒ Object (readonly)

Returns the value of attribute number_of_lines.



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# File 'lib/origen_stil/syntax/node.rb', line 6

def number_of_lines
  @number_of_lines
end

Instance Method Details

#directory ⇒ Object 



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# File 'lib/origen_stil/syntax/node.rb', line 43

def directory
  if file
    Pathname.new(file).dirname
  end
end

#find(type) ⇒ Object

Returns the first child node of the given type that is found



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# File 'lib/origen_stil/syntax/node.rb', line 25

def find(type)
  nodes = find_all(type)
  nodes.first
end

#find_all(*types) ⇒ Object

Returns an array containing all child nodes of the given type(s)



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# File 'lib/origen_stil/syntax/node.rb', line 31

def find_all(*types)
  Extractor.new.process(self, types)
end

#line_number ⇒ Object 



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# File 'lib/origen_stil/syntax/node.rb', line 35

def line_number
  input.line_of(interval.first)
end

#text_value ⇒ Object 



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# File 'lib/origen_stil/syntax/node.rb', line 39

def text_value
  input[interval]
end

#value ⇒ Object

Returns the value at the root of an AST node like this:

node # => (module-def
          (module-name
            (SCALAR-ID "Instrument"))

node.value  # => "Instrument"

No error checking is done and the caller is responsible for calling this only on compatible nodes



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# File 'lib/origen_stil/syntax/node.rb', line 18

def value
  val = children.first
  val = val.children.first while val.respond_to?(:children)
  val
end