Using MetaClass to compile class methods into

still #24, still wip
This commit is contained in:
Torsten Ruger
2019-02-17 14:37:50 +02:00
parent 3db7707614
commit e430701645
4 changed files with 25 additions and 34 deletions

View File

@ -41,11 +41,6 @@ module Parfait
"MetaClass(#{clazz.name})"
end
# no superclass, return nil to signal
def super_class_name
nil
end
def add_method_for(name , type , frame , body )
method = Parfait::VoolMethod.new(name , type , frame , body )
add_method( method )
@ -73,35 +68,15 @@ module Parfait
self.instance_type = type
end
# return the super class, but raise exception if either the super class name
# or the super classs is nil.
# Use only for non Object base class
def super_class!
raise "No super_class for class #{name}" unless super_class_name
s = super_class
raise "superclass not found for class #{name} (#{super_class_name})" unless s
s
end
# return the super class
# we only store the name, and so have to resolve.
# Nil name means no superclass, and so nil is a valid return value
# Nil name means no superclass, and so nil returned
def super_class
return nil unless super_class_name
Parfait.object_space.get_class_by_name(super_class_name)
return nil
end
# ruby 2.1 list (just for reference, keep at bottom)
#:allocate, :new, :superclass
# + modules
# :<, :<=, :>, :>=, :included_modules, :include?, :name, :ancestors, :instance_methods, :public_instance_methods,
# :protected_instance_methods, :private_instance_methods, :constants, :const_get, :const_set, :const_defined?,
# :const_missing, :class_variables, :remove_class_variable, :class_variable_get, :class_variable_set,
# :class_variable_defined?, :public_constant, :private_constant, :singleton_class?, :include, :prepend,
# :module_exec, :class_exec, :module_eval, :class_eval, :method_defined?, :public_method_defined?,
# :private_method_defined?, :protected_method_defined?, :public_class_method, :private_class_method, :autoload,
# :autoload?, :instance_method, :public_instance_method
# no superclass, return nil to signal
def super_class_name
nil
end
end
end

View File

@ -8,6 +8,7 @@ module Vool
end
def to_mom(clazz)
raise "not meta" unless clazz.class == Parfait::MetaClass
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)

View File

@ -20,10 +20,14 @@ module Vool
def to_mom( _ )
create_class_object
method_compilers = body.statements.collect do |node|
unless node.is_a?(MethodStatement) or node.is_a?(ClassMethodStatement)
case node
when MethodStatement
node.to_mom(@clazz)
when ClassMethodStatement
node.to_mom(@clazz.meta_class)
else
raise "Only methods for now #{node.class}:#{node}"
end
node.to_mom(@clazz)
end
Mom::MomCompiler.new(method_compilers)
end