Class: Pione::Lang::Piece

Inherits:

StructX

• Object
• StructX
• Pione::Lang::Piece

Includes:

Util::Positionable

Defined in:

lib/pione/lang/piece.rb

Overview

Piece is a base class for all elements of sequence. You cannot write it directly in PIONE language because pieces are not included in expressions.

Direct Known Subclasses

DataExpr, FeaturePiece, PackageExpr, ParameterSet, RuleExpr, SimplePiece, TicketExpr

Class Method Summary

• .piece_type_name(name = nil) ⇒ Object

  Declare the type name of piece.

Instance Method Summary

• #eval(env) ⇒ Object
• #textize ⇒ Object

  Convert to text string.

Methods included from Util::Positionable

#line_and_column, #pos, #set_source_position

Class Method Details

.piece_type_name(name = nil) ⇒ Object

Declare the type name of piece.

# File 'lib/pione/lang/piece.rb', line 10

def self.piece_type_name(name=nil)
  name ? @piece_type_name = name : @piece_type_name
end

Instance Method Details

#eval(env) ⇒ Object

# File 'lib/pione/lang/piece.rb', line 16

def eval(env)
  return self
end

#textize ⇒ Object

Convert to text string.

# File 'lib/pione/lang/piece.rb', line 21

def textize
  args = to_h.map do |key, val|
    "%s=%s" % [key, val.kind_of?(Piece) ? val.textize : val.to_s]
  end.join(", ")
  "#%s{%s}" % [piece_type_name, args]
end