rubyx/lib/vool/class_method_statement.rb
Torsten Ruger 2fbea82039 bring class methods down to mom
not functionally correct, still compiling into class, not metaclass
part of #24
2019-02-16 17:54:45 +02:00

49 lines
1.2 KiB
Ruby

module Vool
class ClassMethodStatement < Statement
attr_reader :name, :args , :body
def initialize( name , args , body )
@name , @args , @body = name , args , body
raise "no bod" unless @body
end
def to_mom(clazz)
raise( "no class in #{self}") unless clazz
method = clazz.add_method_for(name , make_arg_type , make_frame , body )
compiler = method.compiler_for(clazz.instance_type)
each {|node| raise "Blocks not implemented" if node.is_a?(BlockStatement)}
compiler
end
def each(&block)
block.call(self)
@body.each(&block)
end
def make_arg_type( )
type_hash = {}
@args.each {|arg| type_hash[arg] = :Object }
Parfait::NamedList.type_for( type_hash )
end
def to_s(depth = 0)
arg_str = @args.collect{|a| a.to_s}.join(', ')
at_depth(depth , "def #{name}(#{arg_str})" , @body.to_s(depth + 1) , "end")
end
private
def make_frame
nodes = []
@body.each { |node| nodes << node }
type_hash = {}
nodes.each do |node|
next unless node.is_a?(LocalVariable) or node.is_a?(LocalAssignment)
type_hash[node.name] = :Object
end
Parfait::NamedList.type_for( type_hash )
end
end
end