rubyx/lib/vool/statements/method_statement.rb
Torsten Ruger eb7713a9f3 remove method_compiler init method
as init is really just adding a label it is done in the method
 (thus mixing the levels, “polluting” parfait with risc, but there must
be change coming that way anyway)
2018-03-25 19:37:51 +03:00

59 lines
1.5 KiB
Ruby

module Vool
class MethodStatement < Statement
attr_reader :name, :args , :body , :clazz
def initialize( name , args , body , clazz = nil)
@name , @args , @body = name , args , body
raise "no bod" unless @body
@clazz = clazz
end
# there is no mom equivalent for a method definition, only a vool/parfait one
# Only the source of gets momed, this should never be called
def to_mom( _ )
raise "should not be called (call create_objects)"
end
def each(&block)
block.call(self)
@body.each(&block)
end
def normalize
MethodStatement.new( @name , @args , @body.normalize)
end
def create_objects(clazz)
@clazz = clazz
raise "no class" unless clazz
args_type = make_type
frame_type = make_frame
method = Parfait::VoolMethod.new(name , args_type , frame_type , body )
@clazz.add_method( method )
typed_method = method.create_parfait_method(clazz.instance_type)
head = @body.to_mom( typed_method )
compiler = Risc::MethodCompiler.new( typed_method )
compiler.add_mom(head)
head # return for testing
end
private
def make_type( )
type_hash = {}
@args.each {|arg| type_hash[arg] = :Object }
Parfait::NamedList.type_for( type_hash )
end
def make_frame
type_hash = {}
@body.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