lib/puppet/parser/ast/vardef.rb


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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

        @settor = true

        # 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
        end

        def each
            [@name,@value].each { |child| yield child }
        end
    end

end