test-suite/tests/asm-to-bytecode.test

   1 ;;;; test assembly to bytecode compilation -*- scheme -*-
   2 ;;;;
   3 ;;;; This library is free software; you can redistribute it and/or
   4 ;;;; modify it under the terms of the GNU Lesser General Public
   5 ;;;; License as published by the Free Software Foundation; either
   6 ;;;; version 2.1 of the License, or (at your option) any later version.
   7 ;;;;
   8 ;;;; This library is distributed in the hope that it will be useful,
   9 ;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 ;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11 ;;;; Lesser General Public License for more details.
  12 ;;;;
  13 ;;;; You should have received a copy of the GNU Lesser General Public
  14 ;;;; License along with this library; if not, write to the Free Software
  15 ;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  16
  17 (define-module (test-suite tests asm-to-bytecode)
  18   #:use-module (test-suite lib)
  19   #:use-module (system vm instruction)
  20   #:use-module (language assembly compile-bytecode))
  21
  22 (define (munge-bytecode v)
  23   (let ((newv (make-u8vector (vector-length v))))
  24     (let lp ((i 0))
  25       (if (= i (vector-length v))
  26           newv
  27           (let ((x (vector-ref v i)))
  28             (u8vector-set! newv i (if (symbol? x)
  29                                       (instruction->opcode x)
  30                                       x))
  31             (lp (1+ i)))))))
  32
  33 (define (comp-test x y)
  34   (let* ((y (munge-bytecode y))
  35          (len (u8vector-length y))
  36          (v (make-u8vector len))
  37          (i 0))
  38     (define (write-byte b) (u8vector-set! v i b) (set! i (1+ i)))
  39     (define (get-addr) i)
  40     (run-test `(length ,x) #t
  41               (lambda ()
  42                 (write-bytecode x write-byte get-addr '())
  43                 (= i len)))
  44     (run-test `(compile-equal? ,x ,y) #t
  45               (lambda ()
  46                 (equal? v y)))))
  47
  48 (with-test-prefix "compiler"
  49   (with-test-prefix "asm-to-bytecode"
  50
  51     (comp-test '(make-int8 3)
  52                #(make-int8 3))
  53
  54     (comp-test `(load-integer ,(string (integer->char 0)))
  55                #(load-integer 0 0 1 0))
  56
  57     (comp-test `(load-integer ,(string (integer->char 255)))
  58                #(load-integer 0 0 1 255))
  59
  60     (comp-test `(load-integer ,(string (integer->char 1) (integer->char 0)))
  61                #(load-integer 0 0 2 1 0))
  62
  63     (comp-test '(load-number "3.14")
  64                (vector 'load-number 0 0 4 (char->integer #\3) (char->integer #\.)
  65                        (char->integer #\1) (char->integer #\4)))
  66
  67     (comp-test '(load-string "foo")
  68                (vector 'load-string 0 0 3 (char->integer #\f) (char->integer #\o)
  69                        (char->integer #\o)))
  70
  71     (comp-test '(load-symbol "foo")
  72                (vector 'load-symbol 0 0 3 (char->integer #\f) (char->integer #\o)
  73                        (char->integer #\o)))
  74
  75     (comp-test '(load-keyword "qux")
  76                (vector 'load-keyword 0 0 3 (char->integer #\q) (char->integer #\u)
  77                        (char->integer #\x)))
  78
  79     ;; fixme: little-endian test.
  80     (comp-test '(load-program 3 2 1 0 () 3 #f (make-int8 3) (return))
  81                (vector 'load-program 3 2 1 0 3 0 0 0 0 0 0 0
  82                        (instruction->opcode 'make-int8) 3
  83                        (instruction->opcode 'return)))
  84
  85     ;; fixme: little-endian test.
  86     (comp-test '(load-program 3 2 1 0 () 3
  87                               (load-program 3 2 1 0 () 3
  88                                             #f
  89                                             (make-int8 3) (return))
  90                               (make-int8 3) (return))
  91                (vector 'load-program 3 2 1 0 3 0 0 0 (+ 3 12) 0 0 0
  92                        (instruction->opcode 'make-int8) 3
  93                        (instruction->opcode 'return)
  94                        3 2 1 0 3 0 0 0 0 0 0 0
  95                        (instruction->opcode 'make-int8) 3
  96                        (instruction->opcode 'return)))))