mes/scaffold/tests/63-struct-cell.c

/* -*-comment-start: "//";comment-end:""-*-
 * Mes --- Maxwell Equations of Software
 * Copyright © 2017 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
 *
 * This file is part of Mes.
 *
 * Mes is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or (at
 * your option) any later version.
 *
 * Mes 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 Mes.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "30-test.i"

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int
add (int a, int b)
{
  return a + b;
}

int
inc (int i)
{
  return i + 1;
}

struct scm {
  int type;
  int car;
  int cdr;
};

int bla = 1234;
char g_arena[84];
#if __MESC__
struct scm *g_cells = g_arena;
#else
struct scm *g_cells = (struct scm*)g_arena;
#endif
char *g_chars = g_arena;

int foo () {puts ("t: foo\n"); return 0;};
int bar (int i) {puts ("t: bar\n"); return 0;};
struct function {
  int (*function) (void);
  int arity;
  char *name;
};
struct function g_fun = {&exit,1,"fun"};
struct function g_foo = {&foo,0,"foo"};
struct function g_bar = {&bar,1,"bar"};

//void *functions[2];
int functions[2];

struct function g_functions[2];
int g_function = 0;

enum type_t {TCHAR, TCLOSURE, TCONTINUATION, TFUNCTION, TKEYWORD, TMACRO, TNUMBER, TPAIR, TREF, TSPECIAL, TSTRING, TSYMBOL, TVALUES, TVECTOR, TBROKEN_HEART};

typedef int SCM;
int g_free = 3;
SCM tmp;
SCM tmp_num;

int ARENA_SIZE = 200;
#define TYPE(x) g_cells[x].type
#define CAR(x) g_cells[x].car
#define CDR(x) g_cells[x].cdr
#define VALUE(x) g_cells[x].cdr

#define CAAR(x) CAR (CAR (x))

struct scm scm_fun = {TFUNCTION,0,0};
SCM cell_fun;


int
test ()
{
  puts ("\n");
  puts ("t: g_cells[0] = g_cells[1]\n");
  TYPE (1) = 1;
  CAR (1) = 2;
  CDR (1) = 3;
  g_cells[0] = g_cells[1];
  if (TYPE (0) != 1) return 1;
  if (CAR (0) != 2) return 2;
  if (CDR (0) != 3) return 3;

  puts ("t: g_cells[i] = g_cells[j]\n");
  int i = 0;
  int j = 1;
  TYPE (1) = 4;
  CAR (1) = 5;
  CDR (1) = 6;
  g_cells[i] = g_cells[j];
  if (TYPE (0) != 4) return 1;
  if (CAR (0) != 5) return 2;
  if (CDR (0) != 6) return 3;

  puts ("t: g_cells[0+add(0,0] = g_cells[0+inc(0)]\n");
  TYPE (1) = 1;
  CAR (1) = 2;
  CDR (1) = 3;
  g_cells[0+add(0, 0)] = g_cells[0+inc(0)];
  if (TYPE (0) != 1) return 1;
  if (CAR (0) != 2) return 2;
  if (CDR (0) != 3) return 3;

  g_cells[0].type = TNUMBER;
  g_cells[0].car = 0;
  g_cells[0].cdr = 0;
  g_cells[1].type = TNUMBER;
  g_cells[1].car = 0;
  g_cells[1].cdr = 0;

  puts ("t: TYPE (0) != TYPE (1)\n");
  if (TYPE (0) == TYPE (1)) goto ok;
  return 1;
 ok:

  g_cells[0].car = 1;
  g_cells[1].car = 2;

  puts ("t: int c = VALUE (0)\n");
  int c = CAR (0);
  if (c != 1) return 1;

  puts ("t: CAAR (0) != 2\n");
  if (CAAR (0) != 2) return 1;

  puts ("t: 2 != CAAR (0)\n");
  if (2 != CAAR (0)) return 1;

  g_cells[3].type = 0x64;
  if (g_cells[3].type != 0x64)
    return g_cells[3].type;

  TYPE (4) = 4;
  if (TYPE (4) != 4)
    return 4;
  
  CDR (3) = 0x22;
  CDR (4) = 0x23;
  if (CDR (3) != 0x22)
    return CDR (3);

  puts ("t: g_fun.arity != 1;\n");
  if (g_fun.arity != 1) return 1;

  puts ("t: g_fun.function != exit;\n");
  if (g_fun.function != &exit) return 1;

  puts ("t: struct fun = {&exit,1,\"exit\"};\n");
  struct function fun = {&exit,1,"exit"};

  puts ("t: fun.arity != 1;\n");
  if (fun.arity != 1) return 1;

  puts ("t: fun.function != exit;\n");
  if (fun.function != &exit) return 1;

  puts ("t: puts (fun.name)\n");
  if (strcmp (fun.name, "exit")) return 1;

  puts ("t: puts (g_fun.name)\n");
  if (strcmp (g_fun.name, "fun")) return 1;

  puts ("t: g_functions[g_function++] = g_foo;\n");
  g_functions[g_function++] = g_foo;

  puts ("t: pbar->arity == 1\n");
  struct function* barp = &g_bar;
  if (barp->arity != 1) return 1;

  int fn = 0;
  puts ("t: g_functions[g_cells[fn].cdr].arity\n");
  if (g_functions[g_cells[fn].cdr].arity) return 1;
  if (g_functions[g_cells[fn].cdr].arity != 0) return 1;

  int (*functionx) (void) = 0;
  functionx = g_functions[0].function;
  puts ("t: functionx == foo\n");
  if (functionx != foo) return 11;

  puts ("t: g_functions[0].name\n");
  if (strcmp (g_functions[0].name, "foo")) return 1;

  puts ("t: (functionx) () == foo\n");
  if ((functionx) () != 0) return 12;

  puts ("t: g_functions[<foo>].arity\n");
  if (g_functions[0].arity != 0) return 17;

  fn++;
  g_functions[fn] = g_bar;
  g_cells[fn].cdr = fn;
  if (g_cells[fn].cdr != fn) return 13;

  puts ("t: g_functions[g_cells[fn].cdr].function\n");
  functionx = g_functions[g_cells[fn].cdr].function;

  puts ("t: g_functions[1].name\n");
  if (strcmp (g_functions[1].name, "bar")) return 1;

  puts ("t: functionx == bar\n");
  if (functionx != bar) return 15;

  puts ("t: (functiony) (1) == bar\n");
  int (*functiony) (int) = 0;
  functiony = g_functions[g_cells[fn].cdr].function;
  if ((functiony) (1) != 0) return 16;

  puts ("t: g_functions[<bar>].arity\n");
  if (g_functions[fn].arity != 1) return 18;

  // fake name
  scm_fun.car = 33;
  scm_fun.cdr = g_function;
  //g_functions[g_function++] = g_fun;
  g_functions[g_function] = g_fun;
  cell_fun = g_free++;
  g_cells[cell_fun] = scm_fun;

  puts ("t: TYPE (cell_fun)\n");
  if (TYPE (cell_fun) != TFUNCTION) return 1;

  puts ("t: CAR (cell_fun)\n");
  if (CAR (cell_fun) != 33) return 1;

  puts ("t: CDR (cell_fun)\n");
  if (CDR (cell_fun) != g_function) return 1;

  return 0;
}