Class: ActionView::RenderParser::RipperASTParser::Node

Inherits:
Array
  • Object
show all
Defined in:
lib/action_view/ripper_ast_parser.rb

Overview

:nodoc:

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(type, arr, opts = {}) ⇒ Node

Returns a new instance of Node.



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# File 'lib/action_view/ripper_ast_parser.rb', line 11

def initialize(type, arr, opts = {})
  @type = type
  super(arr)
end

Instance Attribute Details

#type ⇒ Object (readonly)

Returns the value of attribute type.



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# File 'lib/action_view/ripper_ast_parser.rb', line 9

def type
  @type
end

Instance Method Details

#argument_nodes ⇒ Object 



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# File 'lib/action_view/ripper_ast_parser.rb', line 35

def argument_nodes
  raise unless fcall?
  return [] if self[1].nil?
  if self[1].last == false || self[1].last.type == :vcall
    self[1][0...-1]
  else
    self[1][0..-1]
  end
end

#call? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/action_view/ripper_ast_parser.rb', line 57

def call?
  type == :call
end

#call_method_name ⇒ Object 



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# File 'lib/action_view/ripper_ast_parser.rb', line 65

def call_method_name
  self.last.first
end

#children ⇒ Object 



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# File 'lib/action_view/ripper_ast_parser.rb', line 16

def children
  to_a
end

#fcall? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/action_view/ripper_ast_parser.rb', line 25

def fcall?
  type == :command || type == :fcall
end

#fcall_named?(name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/action_view/ripper_ast_parser.rb', line 29

def fcall_named?(name)
  fcall? &&
    self[0].type == :@ident &&
    self[0][0] == name
end

#hash? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/action_view/ripper_ast_parser.rb', line 74

def hash?
  type == :bare_assoc_hash || type == :hash
end

#hash_from_body(body) ⇒ Object 



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# File 'lib/action_view/ripper_ast_parser.rb', line 88

def hash_from_body(body)
  body.map do |hash_node|
    return nil if hash_node.type != :assoc_new

    [hash_node[0], hash_node[1]]
  end.to_h
end

#inspect ⇒ Object 



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# File 'lib/action_view/ripper_ast_parser.rb', line 20

def inspect
  typeinfo = type && type != :list ? ":" + type.to_s + ", " : ""
  "s(" + typeinfo + map(&:inspect).join(", ") + ")"
end

#string? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/action_view/ripper_ast_parser.rb', line 45

def string?
  type == :string_literal
end

#symbol? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/action_view/ripper_ast_parser.rb', line 96

def symbol?
  type == :@label || type == :symbol_literal
end

#to_hash ⇒ Object 



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# File 'lib/action_view/ripper_ast_parser.rb', line 78

def to_hash
  if type == :bare_assoc_hash
    hash_from_body(self[0])
  elsif type == :hash && self[0] == nil
    {}
  elsif type == :hash && self[0].type == :assoclist_from_args
    hash_from_body(self[0][0])
  end
end

#to_string ⇒ Object 



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# File 'lib/action_view/ripper_ast_parser.rb', line 69

def to_string
  raise unless string?
  self[0][0][0]
end

#to_symbol ⇒ Object 



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# File 'lib/action_view/ripper_ast_parser.rb', line 100

def to_symbol
  if type == :@label && self[0] =~ /\A(.+):\z/
    $1.to_sym
  elsif type == :symbol_literal && self[0].type == :symbol && self[0][0].type == :@ident
    self[0][0][0].to_sym
  else
    raise "not a symbol?: #{self.inspect}"
  end
end

#variable_name ⇒ Object 



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# File 'lib/action_view/ripper_ast_parser.rb', line 61

def variable_name
  self[0][0]
end

#variable_reference? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/action_view/ripper_ast_parser.rb', line 49

def variable_reference?
  type == :var_ref
end

#vcall? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/action_view/ripper_ast_parser.rb', line 53

def vcall?
  type == :vcall
end