rubyx/lib/vool/statements/method_statement.rb

75 lines
2.0 KiB
Ruby

module Vool
class MethodStatement < Statement
attr_reader :name, :args , :body , :clazz
def initialize( name , args , body)
@name , @args , @body = name , args , body
unless( body.is_a?(ScopeStatement))
@body = ScopeStatement.new([])
@body.statements << body if body
end
end
# compile to mom instructions. methods themselves do no result in instructions (yet)
# instead the resulting instruction tree is saved into the method object that
# represents the method
def to_mom( _ )
method = @clazz.get_method( @name )
@body.to_mom(method)
end
def collect(arr)
@body.collect(arr)
super
end
def set_class(clazz)
@clazz = clazz
end
def create_objects
args_type = make_type
locals_type = make_locals
method = Rubyx::RubyMethod.new(name , args_type , locals_type , body )
@clazz.add_method( method )
# compile_methods(clazz,methods)
end
private
def make_type( )
type_hash = {}
@args.each {|arg| type_hash[arg] = :Object }
Parfait::NamedList.type_for( type_hash )
end
def make_locals
type_hash = {}
vars = []
@body.collect([]).each { |node| node.add_local(vars) }
vars.each { |var| type_hash[var] = :Object }
Parfait::NamedList.type_for( type_hash )
end
def create_methods(clazz , body)
methods = Passes::MethodCollector.new.collect(body)
methods.each do |method|
clazz.add_method( method )
normalizer = Passes::Normalizer.new(method)
method.normalize_source { |sourc| normalizer.process( sourc ) }
end
methods
end
def compile_methods(clazz , methods)
methods.each do |method|
code = Passes::MethodCompiler.new(method).get_code
typed_method = method.create_vm_method(clazz.instance_type)
Vm::MethodCompiler.new( typed_method ).init_method.process( code )
end
end
end
end