-/* Copyright (C) 1995,1996,1997,1998 Free Software Foundation, Inc.
-
+/* Copyright (C) 1995,1996,1997,1998, 1999, 2000 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)
#include <stdio.h>
#include <gh.h>
+#ifdef HAVE_STRING_H
+#include <string.h>
+#endif
/* data conversion C->scheme */
SCM
gh_int2scmb (int x) /* this is being phased out */
{
- return (x ? SCM_BOOL_T : SCM_BOOL_F);
+ return SCM_BOOL(x);
}
SCM
gh_bool2scm (int x)
{
- return (x ? SCM_BOOL_T : SCM_BOOL_F);
+ return SCM_BOOL(x);
}
SCM
gh_int2scm (int x)
SCM
gh_char2scm (char c)
{
- return SCM_MAKICHR (c);
+ return SCM_MAKE_CHAR (c);
}
SCM
-gh_str2scm (char *s, int len)
+gh_str2scm (const char *s, int len)
{
return scm_makfromstr (s, len, 0);
}
SCM
-gh_str02scm (char *s)
+gh_str02scm (const char *s)
{
return scm_makfrom0str (s);
}
unsigned long dst_len;
unsigned long effective_length;
- SCM_ASSERT (SCM_NIMP (dst) && SCM_STRINGP (dst), dst, SCM_ARG3,
+ SCM_ASSERT (SCM_STRINGP (dst), dst, SCM_ARG3,
"gh_set_substr");
dst_ptr = SCM_CHARS (dst);
/* Return the symbol named SYMBOL_STR. */
SCM
-gh_symbol2scm (char *symbol_str)
+gh_symbol2scm (const char *symbol_str)
{
return SCM_CAR (scm_intern (symbol_str, strlen (symbol_str)));
}
+SCM
+gh_ints2scm (int *d, int n)
+{
+ int i;
+ SCM v = scm_make_vector(SCM_MAKINUM(n), SCM_UNSPECIFIED);
+ SCM *velts = SCM_VELTS(v);
+
+ for (i = 0; i < n; ++i)
+ velts[i] = (d[i] >= SCM_MOST_NEGATIVE_FIXNUM
+ && d[i] <= SCM_MOST_POSITIVE_FIXNUM
+ ? SCM_MAKINUM (d[i])
+ : scm_long2big (d[i]));
+ return v;
+}
+
+SCM
+gh_doubles2scm (double *d, int n)
+{
+ int i;
+ SCM v = scm_make_vector(SCM_MAKINUM(n), SCM_UNSPECIFIED);
+ SCM *velts = SCM_VELTS(v);
+
+ for(i = 0; i < n; i++)
+ velts[i] = scm_makdbl(d[i], 0.0);
+ return v;
+}
+
+#ifdef HAVE_ARRAYS
+/* Do not use this function for building normal Scheme vectors, unless
+ you arrange for the elements to be protected from GC while you
+ initialize the vector. */
static SCM
makvect (char* m, int len, int type)
{
}
SCM
-gh_ints2scm (int *d, int n)
+gh_chars2byvect (char *d, int n)
{
- SCM *m;
- int i;
- for (i = 0; i < n; ++i)
- SCM_ASSERT (d[i] >= SCM_INUM (LONG_MIN) && d[i] <= SCM_INUM (LONG_MAX),
- SCM_MAKINUM (d[i]),
- SCM_OUTOFRANGE,
- "gh_ints2scm");
- m = (SCM*) scm_must_malloc (n * sizeof (SCM), "vector");
- for (i = 0; i < n; ++i)
- m[i] = SCM_MAKINUM (d[i]);
- return makvect ((char *) m, n, scm_tc7_vector);
+ char *m = scm_must_malloc (n * sizeof (char), "vector");
+ memcpy (m, d, n * sizeof (char));
+ return makvect (m, n, scm_tc7_byvect);
+}
+
+SCM
+gh_shorts2svect (short *d, int n)
+{
+ char *m = scm_must_malloc (n * sizeof (short), "vector");
+ memcpy (m, d, n * sizeof (short));
+ return makvect (m, n, scm_tc7_svect);
}
SCM
}
SCM
-gh_doubles2scm (double *d, int n)
+gh_floats2fvect (float *d, int n)
{
- SCM *m = (SCM*) scm_must_malloc (n * sizeof (SCM), "vector");
- int i;
- for (i = 0; i < n; ++i)
- m[i] = scm_makdbl (d[i], 0.0);
- return makvect ((char *) m, n, scm_tc7_vector);
+ char *m = scm_must_malloc (n * sizeof (float), "vector");
+ memcpy (m, d, n * sizeof (float));
+ return makvect (m, n, scm_tc7_fvect);
}
-#ifdef SCM_FLOATS
SCM
gh_doubles2dvect (double *d, int n)
{
char
gh_scm2char (SCM obj)
{
- return SCM_ICHR (obj);
+ return SCM_CHAR (obj);
}
-/* Convert a vector, weak vector or uniform vector into a malloced
- array of doubles. */
-double*
-gh_scm2doubles (SCM obj)
+/* Convert a vector, weak vector, string, substring or uniform vector
+ into an array of chars. If result array in arg 2 is NULL, malloc a
+ new one. */
+char *
+gh_scm2chars (SCM obj, char *m)
{
int i, n;
- double *m = 0;
+ long v;
SCM val;
if (!SCM_NIMP (obj))
scm_wrong_type_arg (0, 0, obj);
case scm_tc7_vector:
case scm_tc7_wvect:
n = SCM_LENGTH (obj);
- m = (double*) malloc (n * sizeof (double));
for (i = 0; i < n; ++i)
{
val = SCM_VELTS (obj)[i];
if (SCM_INUMP (val))
- m[i] = SCM_INUM (val);
- else if (SCM_NIMP (val) && SCM_REALP (val))
- m[i] = SCM_REALPART (val);
+ {
+ v = SCM_INUM (val);
+ if (v < -128 || v > 255)
+ scm_out_of_range (0, obj);
+ }
else
+ scm_wrong_type_arg (0, 0, obj);
+ }
+ if (m == 0)
+ m = (char *) malloc (n * sizeof (char));
+ for (i = 0; i < n; ++i)
+ m[i] = SCM_INUM (SCM_VELTS (obj)[i]);
+ break;
+#ifdef HAVE_ARRAYS
+ case scm_tc7_byvect:
+#endif
+ case scm_tc7_string:
+ case scm_tc7_substring:
+ n = SCM_LENGTH (obj);
+ if (m == 0)
+ m = (char *) malloc (n * sizeof (char));
+ memcpy (m, SCM_VELTS (obj), n * sizeof (char));
+ break;
+ default:
+ scm_wrong_type_arg (0, 0, obj);
+ }
+ return m;
+}
+
+/* Convert a vector, weak vector or uniform vector into an array of
+ shorts. If result array in arg 2 is NULL, malloc a new one. */
+short *
+gh_scm2shorts (SCM obj, short *m)
+{
+ int i, n;
+ long v;
+ SCM val;
+ if (!SCM_NIMP (obj))
+ scm_wrong_type_arg (0, 0, obj);
+ switch (SCM_TYP7 (obj))
+ {
+ case scm_tc7_vector:
+ case scm_tc7_wvect:
+ n = SCM_LENGTH (obj);
+ for (i = 0; i < n; ++i)
+ {
+ val = SCM_VELTS (obj)[i];
+ if (SCM_INUMP (val))
{
- free (m);
- scm_wrong_type_arg (0, 0, val);
+ v = SCM_INUM (val);
+ if (v < -32768 || v > 65535)
+ scm_out_of_range (0, obj);
}
+ else
+ scm_wrong_type_arg (0, 0, obj);
}
+ if (m == 0)
+ m = (short *) malloc (n * sizeof (short));
+ for (i = 0; i < n; ++i)
+ m[i] = SCM_INUM (SCM_VELTS (obj)[i]);
break;
-#ifdef SCM_FLOATS
-#ifdef SCM_SINGLES
- case scm_tc7_fvect:
+#ifdef HAVE_ARRAYS
+ case scm_tc7_svect:
+ n = SCM_LENGTH (obj);
+ if (m == 0)
+ m = (short *) malloc (n * sizeof (short));
+ memcpy (m, SCM_VELTS (obj), n * sizeof (short));
+ break;
+#endif
+ default:
+ scm_wrong_type_arg (0, 0, obj);
+ }
+ return m;
+}
+
+/* Convert a vector, weak vector or uniform vector into an array of
+ longs. If result array in arg 2 is NULL, malloc a new one. */
+long *
+gh_scm2longs (SCM obj, long *m)
+{
+ int i, n;
+ SCM val;
+ if (!SCM_NIMP (obj))
+ scm_wrong_type_arg (0, 0, obj);
+ switch (SCM_TYP7 (obj))
+ {
+ case scm_tc7_vector:
+ case scm_tc7_wvect:
n = SCM_LENGTH (obj);
- m = (double*) malloc (n * sizeof (double));
for (i = 0; i < n; ++i)
- m[i] = ((float*) SCM_VELTS (obj))[i];
+ {
+ val = SCM_VELTS (obj)[i];
+ if (!SCM_INUMP (val) && !SCM_BIGP (val))
+ scm_wrong_type_arg (0, 0, obj);
+ }
+ if (m == 0)
+ m = (long *) malloc (n * sizeof (long));
+ for (i = 0; i < n; ++i)
+ {
+ val = SCM_VELTS (obj)[i];
+ m[i] = SCM_INUMP (val) ? SCM_INUM (val) : scm_num2long (val, 0, 0);
+ }
+ break;
+#ifdef HAVE_ARRAYS
+ case scm_tc7_ivect:
+ case scm_tc7_uvect:
+ n = SCM_LENGTH (obj);
+ if (m == 0)
+ m = (long *) malloc (n * sizeof (long));
+ memcpy (m, SCM_VELTS (obj), n * sizeof (long));
break;
#endif
+ default:
+ scm_wrong_type_arg (0, 0, obj);
+ }
+ return m;
+}
+
+/* Convert a vector, weak vector or uniform vector into an array of
+ floats. If result array in arg 2 is NULL, malloc a new one. */
+float *
+gh_scm2floats (SCM obj, float *m)
+{
+ int i, n;
+ SCM val;
+ if (!SCM_NIMP (obj))
+ scm_wrong_type_arg (0, 0, obj);
+ switch (SCM_TYP7 (obj))
+ {
+ case scm_tc7_vector:
+ case scm_tc7_wvect:
+ n = SCM_LENGTH (obj);
+ for (i = 0; i < n; ++i)
+ {
+ val = SCM_VELTS (obj)[i];
+ if (!SCM_INUMP (val)
+ && !(SCM_BIGP (val) || SCM_REALP (val)))
+ scm_wrong_type_arg (0, 0, val);
+ }
+ if (m == 0)
+ m = (float *) malloc (n * sizeof (float));
+ for (i = 0; i < n; ++i)
+ {
+ val = SCM_VELTS (obj)[i];
+ if (SCM_INUMP (val))
+ m[i] = SCM_INUM (val);
+ else if (SCM_BIGP (val))
+ m[i] = scm_num2long (val, 0, 0);
+ else
+ m[i] = SCM_REALPART (val);
+ }
+ break;
+#ifdef HAVE_ARRAYS
+ case scm_tc7_fvect:
+ n = SCM_LENGTH (obj);
+ if (m == 0)
+ m = (float *) malloc (n * sizeof (float));
+ memcpy (m, (float *) SCM_VELTS (obj), n * sizeof (float));
+ break;
+
case scm_tc7_dvect:
n = SCM_LENGTH (obj);
- m = (double*) malloc (n * sizeof (double));
+ if (m == 0)
+ m = (float*) malloc (n * sizeof (float));
for (i = 0; i < n; ++i)
- m[i] = ((double*) SCM_VELTS (obj))[i];
+ m[i] = ((double *) SCM_VELTS (obj))[i];
+ break;
+#endif
+ default:
+ scm_wrong_type_arg (0, 0, obj);
+ }
+ return m;
+}
+
+/* Convert a vector, weak vector or uniform vector into an array of
+ doubles. If result array in arg 2 is NULL, malloc a new one. */
+double *
+gh_scm2doubles (SCM obj, double *m)
+{
+ int i, n;
+ SCM val;
+ if (!SCM_NIMP (obj))
+ scm_wrong_type_arg (0, 0, obj);
+ switch (SCM_TYP7 (obj))
+ {
+ case scm_tc7_vector:
+ case scm_tc7_wvect:
+ n = SCM_LENGTH (obj);
+ for (i = 0; i < n; ++i)
+ {
+ val = SCM_VELTS (obj)[i];
+ if (!SCM_INUMP (val)
+ && !(SCM_BIGP (val) || SCM_REALP (val)))
+ scm_wrong_type_arg (0, 0, val);
+ }
+ if (m == 0)
+ m = (double *) malloc (n * sizeof (double));
+ for (i = 0; i < n; ++i)
+ {
+ val = SCM_VELTS (obj)[i];
+ if (SCM_INUMP (val))
+ m[i] = SCM_INUM (val);
+ else if (SCM_BIGP (val))
+ m[i] = scm_num2long (val, 0, 0);
+ else
+ m[i] = SCM_REALPART (val);
+ }
+ break;
+#ifdef HAVE_ARRAYS
+ case scm_tc7_fvect:
+ n = SCM_LENGTH (obj);
+ if (m == 0)
+ m = (double *) malloc (n * sizeof (double));
+ for (i = 0; i < n; ++i)
+ m[i] = ((float *) SCM_VELTS (obj))[i];
+ break;
+
+ case scm_tc7_dvect:
+ n = SCM_LENGTH (obj);
+ if (m == 0)
+ m = (double*) malloc (n * sizeof (double));
+ memcpy (m, SCM_VELTS (obj), n * sizeof (double));
break;
#endif
default:
char *ret_str;
int len;
- SCM_ASSERT (SCM_NIMP (str) && SCM_ROSTRINGP (str), str, SCM_ARG3,
+ SCM_ASSERT (SCM_ROSTRINGP (str), str, SCM_ARG3,
"gh_scm2newstr");
/* protect str from GC while we copy off its data */
gh_get_substr (SCM src, char *dst, int start, int len)
{
int src_len, effective_length;
- SCM_ASSERT (SCM_NIMP (src) && SCM_ROSTRINGP (src), src, SCM_ARG3,
+ SCM_ASSERT (SCM_ROSTRINGP (src), src, SCM_ARG3,
"gh_get_substr");
scm_protect_object (src);
char *ret_str;
int len;
- SCM_ASSERT (SCM_NIMP (sym) && SCM_SYMBOLP (sym), sym, SCM_ARG3,
+ SCM_ASSERT (SCM_SYMBOLP (sym), sym, SCM_ARG3,
"gh_scm2newsymbol");
/* protect str from GC while we copy off its data */
return gh_scm2ulong (scm_vector_length (v));
}
-
+#ifdef HAVE_ARRAYS
/* uniform vector support */
/* returns the length as a C unsigned long integer */
/* sets an individual element in a uniform vector */
/* SCM */
/* gh_list_to_uniform_array ( */
-
+#endif
/* Data lookups between C and Scheme