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class Puppet::Parser::AST
# A reference to an object. Only valid as an rvalue.
class ObjectRef < AST::Branch
attr_accessor :name, :type
def each
[@type,@name].flatten.each { |param|
#Puppet.debug("yielding param %s" % param)
yield param
}
end
# Evaluate our object, but just return a simple array of the type
# and name.
def evaluate(scope)
objtype = @type.safeevaluate(scope)
objnames = @name.safeevaluate(scope)
# it's easier to always use an array, even for only one name
unless objnames.is_a?(Array)
objnames = [objnames]
end
# Verify we can find the object.
begin
object = scope.lookuptype(objtype)
rescue Puppet::ParseError => except
except.line = self.line
except.file = self.file
raise except
rescue => detail
error = Puppet::ParseError.new(detail)
error.line = self.line
error.file = self.file
error.stack = caller
raise error
end
Puppet.debug "ObjectRef returned type %s" % object
# should we implicitly iterate here?
# yes, i believe that we essentially have to...
objnames.collect { |objname|
if object.is_a?(AST::Component)
objname = "%s[%s]" % [objtype,objname]
objtype = "component"
end
[objtype,objname]
}.reject { |obj| obj.nil? }
end
def tree(indent = 0)
return [
@type.tree(indent + 1),
@name.tree(indent + 1),
((@@indline * indent) + self.typewrap(self.pin))
].join("\n")
end
def to_s
return "%s[%s]" % [@name,@type]
end
end
end
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