#!/usr/bin/env ikarus --r6rs-script
;;; Ikarus Scheme -- A compiler for R6RS Scheme.
;;; Copyright (C) 2006,2007  Abdulaziz Ghuloum
;;; 
;;; This program is free software: you can redistribute it and/or modify
;;; it under the terms of the GNU General Public License version 3 as
;;; published by the Free Software Foundation.
;;; 
;;; This program is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
;;; General Public License for more details.
;;; 
;;; You should have received a copy of the GNU General Public License
;;; along with this program.  If not, see <http://www.gnu.org/licenses/>.

;;; vim:syntax=scheme
(import 
  (ikarus compiler)
  (match)
  (except (ikarus) assembler-output))

(define (compile1 x)
  (let ([p (open-file-output-port "test64.fasl" (file-options no-fail))])
    (parameterize ([assembler-output #t])
      (compile-core-expr-to-port x p))
    (close-output-port p)))

(define (compile-and-run x) 
  (compile1 x)
  (let ([rs (system "../src/ikarus -b test64.fasl > test64.out")])
    (unless (= rs 0) (error 'run1 "died"))
    (with-input-from-file "test64.out"
      (lambda () (get-string-all (current-input-port))))))

(define (compile-test-and-run expr expected)
  (printf "Compiling:\n")
  (pretty-print expr)
  (let ([val (compile-and-run (fixup expr))])
    (unless (equal? val expected) 
      (error 'compile-test-and-run "failed:got:expected" val expected))))

(define (test-all)
  (for-each
    (lambda (x)
       (compile-test-and-run (car x) (cadr x)))
    all-tests))

(define all-tests
  '([(quote 42)  "42\n"]
    [(quote #f)  "#f\n"]
    [(quote ())  "()\n"]))

(define (self-evaluating? x)
  (or (number? x) (char? x) (boolean? x) (null? x) (string? x)))

(define prims-alist
  '([$fxadd1 $fxadd1]
    [$fxsub1 $fxsub1]
    [$fixnum->char $fixnum->char]
    [$char->fixnum $char->fixnum]
    [fixnum? fixnum?]
    [$fxzero? $fxzero?]
    [null? null?]
    [boolean? boolean?]
    [char? char?]
    [not not]
    [$fxlognot $fxlognot]
    [fx+ $fx+]
    [fx- $fx-]
    [fx* $fx*]
    [fxlogor $fxlogor]
    [fxlogand $fxlogand]
    [fxlognot $fxlognot]
    [fx= $fx=]
    [fx< $fx<]
    [fx<= $fx<=]
    [fx> $fx>]
    [fx>= $fx>=]
    ))


(define (fixup x)
  (define (Expr x env)
    (match x
      [,n (guard (self-evaluating? n)) `(quote ,n)]
      [,var (guard (symbol? var))
       (cond
         [(assq var env) => cdr]
         [else (error 'fixup "unbound var" var)])]
      [(,rator ,[rand*] ...) 
       (guard (assq rator env)) 
       `(,(Expr rator env) ,rand* ...)]
      [(quote ,x) `(quote ,x)]
      [(,prim ,[args] ...) 
       (guard (assq prim prims-alist))
       `((primitive ,(cadr (assq prim prims-alist))) ,args ...)]
      [(if ,[e0] ,[e1] ,[e2])
       `(if ,e0 ,e1 ,e2)]
      [(let ([,lhs* ,[rhs*]] ...) ,body)
       (let ([nlhs* (map gensym lhs*)])
         (let ([env (append (map cons lhs* nlhs*) env)])
           `((case-lambda 
               [,nlhs* ,(Expr body env)])
             ,rhs* ...)))]
      [,_ (error 'fixup "invalid expression" _)]))
  (Expr x '()))

(define-syntax add-tests-with-string-output 
  (lambda (x)
    (syntax-case x (=>)
      [(_ name [test => string] ...) 
       #'(set! all-tests
           (append all-tests 
              '([test string] ...)))])))

(include "tests/tests-1.1-req.scm")
(include "tests/tests-1.2-req.scm")
(include "tests/tests-1.3-req.scm")
(include "tests/tests-1.4-req.scm")
(include "tests/tests-1.5-req.scm")
(include "tests/tests-1.6-req.scm")

(test-all)
(printf "Passed ~s tests\n" (length all-tests))
(printf "Happy Happy Joy Joy\n")