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require 'puppet/parser/ast/compdef'
class Puppet::Parser::AST
# Define a new class. Syntactically similar to component definitions,
# but classes are always singletons -- only one can exist on a given
# host.
class ClassDef < AST::CompDef
attr_accessor :parentclass
def each
if @parentclass
#[@name,@args,@parentclass,@code].each { |child| yield child }
[@name,@parentclass,@code].each { |child| yield child }
else
#[@name,@args,@code].each { |child| yield child }
[@name,@code].each { |child| yield child }
end
end
# Store our parse tree according to name.
def evaluate(scope)
name = @name.safeevaluate(scope)
#args = @args.safeevaluate(scope)
#:args => args,
arghash = {
:name => name,
:code => @code
}
if @parentclass
arghash[:parentclass] = @parentclass.safeevaluate(scope)
end
#Puppet.debug("defining hostclass '%s' with arguments [%s]" %
# [name,args])
begin
hclass = HostClass.new(arghash)
hclass.keyword = self.keyword
scope.settype(name, hclass)
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.backtrace = detail.backtrace
raise error
end
end
def initialize(hash)
@parentclass = nil
@keyword = "class"
super
end
def tree(indent = 0)
#@args.tree(indent + 1),
return [
@name.tree(indent + 1),
((@@indline * 4 * indent) + self.typewrap("class")),
@parentclass ? @parentclass.tree(indent + 1) : "",
@code.tree(indent + 1),
].join("\n")
end
def to_s
return "class %s(%s) inherits %s {\n%s }" %
[@name, @parentclass, @code]
#[@name, @args, @parentclass, @code]
end
end
end
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