94 lines
2.8 KiB
Ruby
94 lines
2.8 KiB
Ruby
module Mom
|
|
|
|
# MethodCompiler is used to generate Mom instructions for methods
|
|
# and to instantiate the methods correctly.
|
|
|
|
class MethodCompiler < CallableCompiler
|
|
alias :callable :method
|
|
|
|
def initialize( method )
|
|
super(method)
|
|
end
|
|
|
|
def source_name
|
|
"#{@callable.self_type.name}.#{@callable.name}"
|
|
end
|
|
|
|
def get_method
|
|
@callable
|
|
end
|
|
|
|
# sometimes the method is used as source (tb reviewed)
|
|
def source
|
|
@callable
|
|
end
|
|
|
|
# drop down to risc by converting this compilers instructions to risc.
|
|
# and the doing the same for any block_compilers
|
|
def to_risc
|
|
risc_compiler = Risc::MethodCompiler.new(@callable , mom_instructions)
|
|
instructions_to_risc(risc_compiler)
|
|
block_compilers.each do |m_comp|
|
|
puts "BLOCK #{m_comp}"
|
|
risc_compiler.block_compilers << m_comp.to_risc(@callable)
|
|
end
|
|
risc_compiler
|
|
end
|
|
|
|
# helper method for builtin mainly
|
|
# the class_name is a symbol, which is resolved to the instance_type of that class
|
|
#
|
|
# return compiler_for_type with the resolved type
|
|
#
|
|
def self.compiler_for_class( class_name , method_name , args , frame )
|
|
raise "create_method #{class_name}.#{class_name.class}" unless class_name.is_a? Symbol
|
|
clazz = Parfait.object_space.get_class_by_name! class_name
|
|
compiler_for_type( clazz.instance_type , method_name , args , frame)
|
|
end
|
|
|
|
def add_method_to( target )
|
|
target.add_method( @callable )
|
|
end
|
|
|
|
def create_block(arg_type , frame_type)
|
|
@callable.create_block(arg_type ,frame_type)
|
|
end
|
|
|
|
# create a method for the given type ( Parfait type object)
|
|
# method_name is a Symbol
|
|
# args a hash that will be converted to a type
|
|
# the created method is set as the current and the given type too
|
|
# return the compiler
|
|
def self.compiler_for_type( type , method_name , args , frame)
|
|
raise "create_method #{type.inspect} is not a Type" unless type.is_a? Parfait::Type
|
|
raise "Args must be Type #{args}" unless args.is_a?(Parfait::Type)
|
|
raise "create_method #{method_name}.#{method_name.class}" unless method_name.is_a? Symbol
|
|
method = type.create_method( method_name , args , frame)
|
|
self.new(method)
|
|
end
|
|
|
|
# determine how given name need to be accsessed.
|
|
# For methods the options are args or frame
|
|
def slot_type_for(name)
|
|
if @callable.arguments_type.variable_index(name)
|
|
type = :arguments
|
|
else
|
|
type = :frame
|
|
end
|
|
[type , name]
|
|
end
|
|
|
|
def add_block_compiler(compiler)
|
|
@block_compilers << compiler
|
|
end
|
|
|
|
# return true or false if the given name is in scope (arg/local)
|
|
def in_scope?(name)
|
|
ret = true if @callable.arguments_type.variable_index(name)
|
|
ret = @callable.frame_type.variable_index(name) unless ret
|
|
ret
|
|
end
|
|
|
|
end
|
|
end
|