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require 'puppet/parser/ast/resource_reference'
# Any normal puppet resource declaration. Can point to a definition or a
# builtin type.
class Puppet::Parser::AST
class Resource < AST::ResourceReference
associates_doc
attr_accessor :title, :type, :exported, :virtual
attr_reader :parameters
# Does not actually return an object; instead sets an object
# in the current scope.
def evaluate(scope)
# Evaluate all of the specified params.
paramobjects = parameters.collect { |param|
param.safeevaluate(scope)
}
resource_titles = @title.safeevaluate(scope)
# it's easier to always use an array, even for only one name
unless resource_titles.is_a?(Array)
resource_titles = [resource_titles]
end
# We want virtual to be true if exported is true. We can't
# just set :virtual => self.virtual in the initialization,
# because sometimes the :virtual attribute is set *after*
# :exported, in which case it clobbers :exported if :exported
# is true. Argh, this was a very tough one to track down.
virt = self.virtual || self.exported
# This is where our implicit iteration takes place; if someone
# passed an array as the name, then we act just like the called us
# many times.
resource_titles.flatten.collect { |resource_title|
exceptwrap :type => Puppet::ParseError do
resource = Puppet::Parser::Resource.new(
type, resource_title,
:parameters => paramobjects,
:file => self.file,
:line => self.line,
:exported => self.exported,
:virtual => virt,
:source => scope.source,
:scope => scope,
:strict => true
)
# And then store the resource in the compiler.
# At some point, we need to switch all of this to return
# resources instead of storing them like this.
scope.compiler.add_resource(scope, resource)
resource
end
}.reject { |resource| resource.nil? }
end
# Set the parameters for our object.
def parameters=(params)
if params.is_a?(AST::ASTArray)
@parameters = params
else
@parameters = AST::ASTArray.new(
:line => params.line,
:file => params.file,
:children => [params]
)
end
end
end
end
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