require 'puppet/parser/ast/branch' class Puppet::Parser::AST # Define a variable. Stores the value in the current scope. class VarDef < AST::Branch associates_doc attr_accessor :name, :value, :append # Look up our name and value, and store them appropriately. The # lexer strips off the syntax stuff like '$'. def evaluate(scope) value = @value.safeevaluate(scope) if name.is_a?(HashOrArrayAccess) name.assign(scope, value) else name = @name.safeevaluate(scope) parsewrap do scope.setvar(name,value, :file => file, :line => line, :append => @append) end end if @append # Produce resulting value from append operation scope[name] else # Produce assigned value value end end def each [@name,@value].each { |child| yield child } end end end