45 lines
1.6 KiB
Ruby
45 lines
1.6 KiB
Ruby
module Builtin
|
|
module Kernel
|
|
module ClassMethods
|
|
# main entry point, ie __init__ calls this
|
|
# defined here as empty, to be redefined
|
|
def main context
|
|
function = Virtual::CompiledMethod.new(:main , [] , Virtual::Integer)
|
|
return function
|
|
end
|
|
# this is the really really first place the machine starts.
|
|
# it isn't really a function, ie it is jumped to (not called), exits and may not return
|
|
# so it is responsible for initial setup (and relocation)
|
|
def __init__ context
|
|
function = Virtual::CompiledMethod.new(:__init__ , [] , Virtual::Integer)
|
|
clazz = Virtual::BootSpace.space.get_or_create_class :Kernel
|
|
method = clazz.resolve_method :main
|
|
me = Virtual::Self.new(Virtual::Reference)
|
|
code = Virtual::Set.new(Virtual::Self.new(me.type), me)
|
|
function.add_code(code)
|
|
function.add_code Register::FunctionCall.new(method)
|
|
return function
|
|
end
|
|
def putstring context
|
|
function = Virtual::CompiledMethod.new(:putstring , [] )
|
|
return function
|
|
ret = Virtual::RegisterMachine.instance.write_stdout(function)
|
|
function.set_return ret
|
|
function
|
|
end
|
|
def exit context
|
|
function = Virtual::CompiledMethod.new(:exit , [] , Virtual::Integer)
|
|
return function
|
|
ret = Virtual::RegisterMachine.instance.exit(function)
|
|
function.set_return ret
|
|
function
|
|
end
|
|
def __send context
|
|
function = Virtual::CompiledMethod.new(:__send , [] , Virtual::Integer)
|
|
return function
|
|
end
|
|
end
|
|
extend ClassMethods
|
|
end
|
|
end
|