rubyx/lib/mom/macro.rb

78 lines
2.5 KiB
Ruby

module Mom
module Builtin
module CompileHelper
def compiler_for( clazz_name , method_name , arguments , locals = {})
frame = Parfait::NamedList.type_for( locals )
args = Parfait::NamedList.type_for( arguments )
Mom::MethodCompiler.compiler_for_class(clazz_name , method_name , args, frame )
end
end
end
class Macro < Instruction
end
end
require_relative "macro/space"
require_relative "macro/integer"
require_relative "macro/object"
require_relative "macro/word"
module Mom
module Builtin
# classes have booted, now create a minimal set of functions
# minimal means only that which can not be coded in ruby
# Methods are grabbed from respective modules by sending the method name.
# This should return the implementation of the method (ie a method compiler),
# not actually try to implement it(as that's impossible in ruby)
#
# We create an empty main for init to jump to, if no code is compiled, that just returns
# See Builtin directory readme and module
def self.boot_functions( options = nil)
space = Parfait.object_space
space_type = space.get_class.instance_type
if @compilers and options == nil
if(space_type.methods.nil?)
@compilers << compiler_for( space_type , Space , :main)
end
return @compilers
end
# TODO go through the virtual parfait layer and adjust function names
# to what they really are
@compilers = []
obj_type = space.get_type_by_class_name(:Object)
[ :__init__ , :exit , :_method_missing, :get_internal_word ,
:set_internal_word ].each do |f|
@compilers << compiler_for( obj_type , Object , f)
end
word_type = space.get_type_by_class_name(:Word)
[:putstring , :get_internal_byte , :set_internal_byte ].each do |f|
@compilers << compiler_for( word_type , Word , f)
end
int_type = space.get_type_by_class_name(:Integer)
Risc.operators.each do |op|
@compilers << operator_compiler( int_type , op)
end
[ :div4, :<,:<= , :>=, :> , :div10 ].each do |f| #div4 is just a forward declaration
@compilers << compiler_for( int_type , Integer , f)
end
return @compilers
end
def self.compiler_for( type , mod , name)
compiler = mod.send(name , nil)
compiler.add_method_to(type)
compiler
end
def self.operator_compiler(int_type , op)
compiler = Integer.operator_method(op)
compiler.add_method_to(int_type)
compiler
end
end
end