Class: Pione::Lang::PackageExpr

Inherits:
Piece
  • Object
show all
Defined in:
lib/pione/lang/package-expr.rb

Overview

PackageExpr is an referential expression of PIONE package.

Instance Method Summary collapse

Methods inherited from Piece

piece_type_name, #textize

Methods included from Util::Positionable

#line_and_column, #pos, #set_source_position

Instance Method Details

#eval(env) ⇒ Object 



13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
 
# File 'lib/pione/lang/package-expr.rb', line 13

def eval(env)
  # get package id
  if _package_id = package_id ? package_id : env.find_package_id_by_package_name(name)
    # get definition
    definition = env.package_get(set(package_id: _package_id))
    # update package expression
    attr = {}
    attr[:package_id] = definition.package_id
    attr[:parent_ids] = definition.parent_ids
    attr[:param] = param.eval(env)
    return set(attr)
  else
    return self
  end
end