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-rw-r--r--libguile/gh_test_c.c253
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diff --git a/libguile/gh_test_c.c b/libguile/gh_test_c.c
index 076041a30..e69de29bb 100644
--- a/libguile/gh_test_c.c
+++ b/libguile/gh_test_c.c
@@ -1,253 +0,0 @@
-/* Copyright (C) 1995,1996,1997 Free Software Foundation, Inc.
-
- * This program 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 2, or (at your option)
- * any later version.
- *
- * 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 software; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
- * Boston, MA 02111-1307 USA
- *
- * As a special exception, the Free Software Foundation gives permission
- * for additional uses of the text contained in its release of GUILE.
- *
- * The exception is that, if you link the GUILE library with other files
- * to produce an executable, this does not by itself cause the
- * resulting executable to be covered by the GNU General Public License.
- * Your use of that executable is in no way restricted on account of
- * linking the GUILE library code into it.
- *
- * This exception does not however invalidate any other reasons why
- * the executable file might be covered by the GNU General Public License.
- *
- * This exception applies only to the code released by the
- * Free Software Foundation under the name GUILE. If you copy
- * code from other Free Software Foundation releases into a copy of
- * GUILE, as the General Public License permits, the exception does
- * not apply to the code that you add in this way. To avoid misleading
- * anyone as to the status of such modified files, you must delete
- * this exception notice from them.
- *
- * If you write modifications of your own for GUILE, it is your choice
- * whether to permit this exception to apply to your modifications.
- * If you do not wish that, delete this exception notice. */
-
-
-#include <stdio.h>
-#include <math.h>
-#include <assert.h>
-
-#include "libguile/gh.h"
-
-SCM c_factorial (SCM s_n);
-SCM c_sin (SCM s_x);
-SCM c_vector_test (SCM s_length);
-
-/* the gh_enter() routine, the standard entry point for the gh_
- interface, makes you use a separate main function */
-void
-main_prog (int argc, char *argv[])
-{
- int done;
- char input_str[1000];
- SCM cf;
- SCM result_dummy;
-
- result_dummy = gh_eval_str ("(display \"hello guile\n\")");
- gh_display (result_dummy);
-
- printf ("\ntesting gh_define\n");
- gh_define ("test_symbol", gh_double2scm (2.5));
- gh_eval_str ("(display test_symbol) (newline)");
-
- /* test playing with symbols */
- {
- SCM sym;
- char *sym_string;
- sym = gh_symbol2scm ("a-test-symbol");
- sym_string = gh_symbol2newstr (sym, NULL);
- printf ("the symbol was <%s>; after converting to Scheme and back to\n",
- "a-test-symbol");
- printf (" a C string it is now <%s>", sym_string);
- if (strcmp("a-test-symbol", sym_string) == 0) {
- printf("...PASS\n");
- } else {
- printf("...FAIL\n");
- }
- free (sym_string);
- }
-
- /* here result dummy should be a string object */
- result_dummy = gh_eval_str ("\"test_string\"");
- assert (gh_string_p (result_dummy));
- {
- char *s;
- s = gh_scm2newstr (result_dummy, NULL);
- printf ("result of converting \"test_string\" from SCM to C is <%s>\n", s);
- free (s); /* remember to free s!! */
- }
-
- gh_eval_str ("(define (square x) (* x x))");
- gh_eval_str ("(define (fact n) (if (= n 1) 1 (* n (fact (- n 1)))))");
-
- gh_eval_str ("(display (square 9)) (newline)");
- gh_eval_str ("(display (fact 100)) (newline)");
-
- gh_eval_str_with_standard_handler ("(display \"dude!\n\")");
-
- /* in this next test I have a wilful typo: dosplay is not a defined
- procedure, so it should throw an error */
- printf("We should now get an error which should be trapped by a handler\n");
- gh_eval_str_with_standard_handler ("(dosplay \"dude!\n\")");
- printf("now we will display a backtrace of that error; this should not\n");
- printf(" work because the handler did not save the stack\n");
- gh_eval_str("(backtrace)");
-
- /* now do that test with a stack saving handler */
- printf("Redo last test with stack-saving handler\n");
- gh_eval_str_with_stack_saving_handler ("(dosplay \"dude!\n\")");
- printf("now we will display a backtrace of that error; this should work:\n");
- gh_eval_str("(backtrace)");
-
- /* now define some new primitives in C */
- cf = gh_new_procedure1_0 ("c-factorial", c_factorial);
- gh_display (cf);
- gh_newline ();
- gh_new_procedure1_0 ("c-sin", c_sin);
- gh_new_procedure1_0 ("c-vector-test", c_vector_test);
-
- /* now try some (eval ...) action from C */
- {
- SCM l = SCM_EOL;
- l = gh_cons (gh_str02scm ("hello world"), l);
- l = gh_cons (gh_symbol2scm ("display"), l);
- printf ("expression is: ");
- gh_display (l);
- gh_newline ();
- /* Don't have a function for evaluating sexps yet. */
- }
-
- printf ("testing the predicates for procedure? and vector?\n");
- printf ("gh_procedure_p(c_factorial)->%d, gh_vector_p(c_factorial)->%d\n",
- gh_procedure_p (cf), gh_vector_p (cf));
- gh_eval_str("(c-vector-test 200)");
-
- /* Test calling procedures. */
- {
- SCM list = gh_eval_str ("list");
-
- printf ("testing gh_apply\n");
- printf ("gh_apply (list, '(1 2)) => ");
- gh_display (gh_apply (list, gh_cons (gh_int2scm (1),
- gh_cons (gh_int2scm (2),
- SCM_EOL))));
- gh_newline ();
-
- printf ("gh_call0 (list) => ");
- gh_display (gh_call0 (list));
- gh_newline ();
-
- printf ("gh_call1 (list, 1) => ");
- gh_display (gh_call1 (list, gh_int2scm (1)));
- gh_newline ();
-
- printf ("gh_call2 (list, 1, 2) => ");
- gh_display (gh_call2 (list, gh_int2scm (1), gh_int2scm (2)));
- gh_newline ();
-
- printf ("gh_call3 (list, 1, 2, 3) => ");
- gh_display (gh_call3 (list,
- gh_int2scm (1), gh_int2scm (2), gh_int2scm (3)));
- gh_newline ();
- }
-
- /* now sit in a scheme eval loop: I input the expressions, have
- guile evaluate them, and then get another expression. */
- done = 0;
- while (!done)
- {
- printf ("\n%s> ", argv[0]);
- if (gets (input_str) == NULL)
- {
- done = 1;
- }
- else
- {
-/* gh_display(gh_eval_str_with_standard_handler(input_str)); */
- gh_display (gh_eval_str_with_stack_saving_handler (input_str));
- }
- }
-}
-
-int
-main (int argc, char *argv[])
-{
- gh_enter (argc, argv, main_prog);
- return 0;
-}
-
-SCM
-c_factorial (SCM s_n)
-{
- int i, n;
- unsigned long result = 1;
-
- n = gh_scm2ulong (s_n);
-
- for (i = 1; i <= n; ++i)
- {
- result = result * i;
- }
- return gh_ulong2scm (result);
-}
-
-/* a sin routine in C, callable from scheme. it is named c_sin() to
- distinguish it from the default scheme sin function */
-SCM
-c_sin (SCM s_x)
-{
- double x = gh_scm2double (s_x);
-
- return gh_double2scm (sin (x));
-}
-
-/* play around with vectors in guile: this routine creates a vector of
- the given length, initializes it all to zero except element 2 which
- is set to 1.9. */
-SCM
-c_vector_test (SCM s_length)
-{
- SCM xvec;
- unsigned long c_length;
-
- c_length = gh_scm2ulong (s_length);
- printf ("VECTOR test (length for vector %ld)", c_length);
-
- /* create a vector filled witth 0.0 entries */
- xvec = gh_make_vector (s_length, gh_double2scm (0.0));
- /* set the second element in it to some floating point value */
- gh_vector_set_x (xvec, gh_int2scm(2), gh_double2scm (1.9));
-
- /* I think I can use == because Scheme's doubles should be the same
- as C doubles, with no operations in between */
- if (gh_scm2double(gh_vector_ref (xvec, gh_int2scm(2))) == 1.9) {
- printf("... PASS\n");
- } else {
- printf("... FAIL\n");
- }
-
- return xvec;
-}
-
-/*
- Local Variables:
- c-file-style: "gnu"
- End:
-*/