manage to create ruby methods
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@ -8,33 +8,39 @@ require_relative "compiler/ruby_method"
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module Melon
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class Compiler < AST::Processor
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def self.compile input
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ast = Parser::Ruby22.parse input
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compiler = self.new
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compiler.process ast
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end
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def get_name( statement )
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return nil unless statement
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statement.children[1]
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def self.compile( input )
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ast = Parser::Ruby22.parse( input )
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self.new.process( ast )
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end
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def on_class statement
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name , sup , body = *statement
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class_name = get_name(name)
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clazz = Parfait.object_space.create_class(class_name , get_name(sup) )
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clazz = Parfait.object_space.get_class_by_name!(class_name , get_name(sup) )
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ivar_hash = TypeCollector.new.collect(body)
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clazz.set_instance_type( Parfait::Type.for_hash( clazz , ivar_hash ) )
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create_methods(clazz , body)
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end
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MethodCollector.new.collect(body)
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def create_methods(clazz , body)
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methods = MethodCollector.new.collect(body)
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methods.each do |method|
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clazz.add_method( method )
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end
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end
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def handler_missing(node)
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# raise "Oh"
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node.children.each do |kid |
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process(kid) if kid.is_a?(AST::Node)
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end
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end
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private
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def get_name( statement )
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return nil unless statement
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statement.children[1]
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end
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end
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end
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@ -23,6 +23,7 @@ module Parfait
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super()
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@name = name
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@super_class_name = superclass
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@methods = {}
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set_instance_type( instance_type )
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end
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@ -34,6 +35,14 @@ module Parfait
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"Class(#{name})"
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end
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def add_method(method)
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@methods[method.name] = method
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end
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def get_method(name)
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@methods[name]
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end
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# setting the type generates all methods for this type
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# (or will do, once we store the methods code to do that)
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def set_instance_type( type )
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@ -29,7 +29,7 @@ module Parfait
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# While data ususally would live in a .data section, we may also "inline" it into the code
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# in an oo system all data is represented as objects
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class Space < Object
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class Space < Object
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def initialize(classes )
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@classes = classes
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@ -99,10 +99,10 @@ module Parfait
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# get or create the class by the (symbol) name
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# notice that this method of creating classes implies Object superclass
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def get_class_by_name! name
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def get_class_by_name!(name , super_class = :Object)
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c = get_class_by_name(name)
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return c if c
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create_class name
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create_class( name ,super_class)
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end
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# this is the way to instantiate classes (not Parfait::Class.new)
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@ -1 +1,13 @@
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require_relative '../helper'
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module Melon
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module CompilerHelper
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def in_Space(statements)
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"class Space ; #{statements} ; end"
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end
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def as_main(statements)
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in_Space("def main ; #{statements}; end")
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end
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end
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end
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@ -1,3 +1,4 @@
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require_relative "test_type_collector"
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require_relative "test_method_collector"
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require_relative "test_locals_collector"
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require_relative "test_class_creation"
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19
test/melon/compiler/test_method_creation.rb
Normal file
19
test/melon/compiler/test_method_creation.rb
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@ -0,0 +1,19 @@
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require_relative "helper"
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module Melon
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class TestMethod < MiniTest::Test
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include CompilerHelper
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def setup
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Register.machine.boot
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end
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def test_creates_method_in_class
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Compiler.compile in_Space("def meth; @ivar;end")
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space = Parfait.object_space.get_class
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method = space.get_method(:meth)
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assert method , "No method created"
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end
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end
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end
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@ -6,12 +6,15 @@ module Melon
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module MelonTests
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def setup
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@parser = Parser::Ruby22
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Register.machine.boot
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end
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def check
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assert true
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#puts @parser.parse @string_input
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Compiler.compile @string_input
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Register::Collector.collect_space
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@interpreter = Register::Interpreter.new
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@interpreter.start Register.machine.init
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nil
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end
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end
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end
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@ -3,3 +3,8 @@ require_relative "test_calls"
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require_relative "test_hello"
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require_relative "test_itos"
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require_relative "test_loop"
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require_relative "test_many_adds"
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require_relative "test_many_hello"
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require_relative "test_many_calls"
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require_relative "test_many_itos"
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@ -6,11 +6,9 @@ module Melon
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def test_ruby_hello
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@string_input = <<HERE
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puts "Hello there"
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HERE
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@stdout = "Hello there"
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check
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@string_input = 'puts "Hello there"'
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assert !check
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# assert_equal "Hello there" , @interpreter.stdout
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end
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end
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@ -1,3 +1,2 @@
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require_relative "compiler/test_all"
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require_relative "fragments/test_all"
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require_relative "test_compiler"
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