rubyx/test/support/risc_interpreter.rb
Torsten e4a79aac50 reset flags in interpreter
fix at least part of the problem why comparisons dont work
2020-03-22 14:31:43 +02:00

143 lines
3.7 KiB
Ruby

require "util/eventable"
require "risc/interpreter"
require_relative "compiling"
require_relative "output"
module Risc
module Ticker
include ScopeHelper
include Output
include Preloader
def setup
compiler = RubyX::RubyXCompiler.new(RubyX.interpreter_test_options)
@linker = compiler.ruby_to_binary(preload + @string_input, :interpreter)
@interpreter = Interpreter.new(@linker)
@interpreter.start_program
end
alias :do_setup :setup
def yielder
"def yielder; return yield ; end"
end
def tenner
"def tenner; return yield(10) ;end"
end
def block_main( main , extra = yielder)
in_Space("#{extra} ; def main(arg) ; #{main} ; end")
end
# check the given array of instructions is what the interpreter actually does
# possible second argument ignores the given amount, usually up until main
def check_chain( should , start_at = 0 )
ticks( start_at ) if start_at > 0
should.each_with_index do |name , index|
got = ticks(1)
assert_equal got.class ,name , "Wrong class for #{index + 1}, expect #{name} , got #{got}"
end
end
# check the main only, ignoring the __init instructions
def check_main_chain( should )
check_chain( should , main_at)
end
# how many instruction up until the main starts, ie
# ticks(main_at) will be the label for main
def main_at
Risc.init_length
end
def get_return
assert_equal Parfait::Message , @interpreter.get_register(:saved_message).class
@interpreter.get_register(:syscall_1)
end
# do as many as given ticks in the main, ie main_at more
def main_ticks(num)
ticks( main_at + num)
end
# do a certain number of steps in the interpreter and return the last executed instruction
def ticks( num )
last = nil
num.times do
last = @interpreter.instruction
@interpreter.tick
end
return last
end
def risc(num)
return @instruction if @instruction
@instruction = main_ticks(num)
end
# collect the classes of all executed istructions
def all_classes(max = 300)
classes = []
tick = 1
begin
while(classes.length < max)
cl = ticks(1).class
tick += 1
classes << cl
break if cl == NilClass
end
rescue => e
puts "Error at tick #{tick}"
puts e
puts e.backtrace
end
classes
end
# do the setup, compile and run the input (a main) to the end
def run_main_return(input)
run_main("return #{input}")
end
# get the return from the message (not exit code)
# exit code must be int
def get_message_return
@interpreter.get_register(:message).return_value
end
# wrap the input so it is a main, compile and run it
def run_main(input)
run_input as_main(input)
end
# use the input as it, compile and run it
# input muts contain a Space.main, but may contain more classes and methods
def run_input(input)
@string_input = input
do_setup
run_all
end
def run_all
while(@interpreter.instruction)
@interpreter.tick
#puts @interpreter.instruction
end
@interpreter.clock
end
# for chaning the tests quickly output all instructions that are executed
def show_ticks
classes = all_classes
output_classes(classes)
end
# show all instructions of the main only
def show_main_ticks
classes = all_classes
classes = classes.slice(main_at , 1000)
output_classes(classes)
end
def output_classes(classes)
puts class_list(classes)
exit(1)
end
end
end