-/* Copyright (C) 1995,1996,1997 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)
+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 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);
}
void
gh_set_substr (char *src, SCM dst, int start, int len)
{
- char *dst_ptr, dst_len, effective_length;
+ char *dst_ptr;
+ 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");
- scm_protect_object (dst);
+
dst_ptr = SCM_CHARS (dst);
dst_len = SCM_LENGTH (dst);
- effective_length = (len < dst_len) ? len : dst_len;
- memcpy (dst_ptr + start, src, effective_length);
- /* FIXME: must signal an error if len > dst_len */
+ SCM_ASSERT (len >= 0 && (unsigned) len <= dst_len,
+ dst, SCM_ARG4, "gh_set_substr");
+
+ scm_protect_object (dst);
+ effective_length = ((unsigned) len < dst_len) ? len : dst_len;
+ memmove (dst_ptr + start, src, effective_length);
scm_unprotect_object (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 ans;
+ SCM_NEWCELL (ans);
+ SCM_DEFER_INTS;
+ SCM_SETCHARS (ans, m);
+ SCM_SETLENGTH (ans, len, type);
+ SCM_ALLOW_INTS;
+ return ans;
+}
+
+SCM
+gh_chars2byvect (char *d, int n)
+{
+ 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
+gh_longs2ivect (long *d, int n)
+{
+ char *m = scm_must_malloc (n * sizeof (long), "vector");
+ memcpy (m, d, n * sizeof (long));
+ return makvect (m, n, scm_tc7_ivect);
+}
+
+SCM
+gh_ulongs2uvect (unsigned long *d, int n)
+{
+ char *m = scm_must_malloc (n * sizeof (unsigned long), "vector");
+ memcpy (m, d, n * sizeof (unsigned long));
+ return makvect (m, n, scm_tc7_uvect);
+}
+
+SCM
+gh_floats2fvect (float *d, int n)
+{
+ char *m = scm_must_malloc (n * sizeof (float), "vector");
+ memcpy (m, d, n * sizeof (float));
+ return makvect (m, n, scm_tc7_fvect);
+}
+
+SCM
+gh_doubles2dvect (double *d, int n)
+{
+ char *m = scm_must_malloc (n * sizeof (double), "vector");
+ memcpy (m, d, n * sizeof (double));
+ return makvect (m, n, scm_tc7_dvect);
+}
+#endif
/* data conversion scheme->C */
int
char
gh_scm2char (SCM obj)
{
- return SCM_ICHR (obj);
+ return SCM_CHAR (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;
+ 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))
+ {
+ 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))
+ {
+ 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 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);
+ for (i = 0; i < n; ++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);
+ if (m == 0)
+ m = (float*) malloc (n * sizeof (float));
+ for (i = 0; i < n; ++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:
+ scm_wrong_type_arg (0, 0, obj);
+ }
+ return m;
}
/* string conversions between C and Scheme */
char *ret_str;
int len;
- SCM_ASSERT (SCM_NIMP (str) && SCM_STRINGP (str), str, SCM_ARG3,
+ SCM_ASSERT (SCM_ROSTRINGP (str), str, SCM_ARG3,
"gh_scm2newstr");
/* protect str from GC while we copy off its data */
ret_str = (char *) scm_must_malloc ((len + 1) * sizeof (char),
"gh_scm2newstr");
/* so we copy tmp_str to ret_str, which is what we will allocate */
- memcpy (ret_str, SCM_CHARS (str), len);
+ memcpy (ret_str, SCM_ROCHARS (str), len); /* test ROCHARS here -twp */
/* now make sure we null-terminate it */
ret_str[len] = '\0';
gh_get_substr (SCM src, char *dst, int start, int len)
{
int src_len, effective_length;
- SCM_ASSERT (SCM_NIMP (src) && SCM_STRINGP (src), src, SCM_ARG3,
+ SCM_ASSERT (SCM_ROSTRINGP (src), src, SCM_ARG3,
"gh_get_substr");
scm_protect_object (src);
src_len = SCM_LENGTH (src);
effective_length = (len < src_len) ? len : src_len;
- memcpy (dst + start, SCM_CHARS (src), effective_length * sizeof (char));
+ memcpy (dst + start, SCM_ROCHARS (src), effective_length * sizeof (char));
/* FIXME: must signal an error if len > src_len */
scm_unprotect_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 */
/* create a new vector of the given length, all initialized to the
given value */
-SCM
-gh_vector (SCM length, SCM val)
+SCM
+gh_make_vector (SCM len, SCM fill)
{
- return scm_make_vector (length, val, SCM_UNDEFINED);
+ return scm_make_vector (len, fill);
}
/* set the given element of the given vector to the given value */
SCM
-gh_vset (SCM vec, SCM pos, SCM val)
+gh_vector_set_x (SCM vec, SCM pos, SCM val)
{
return scm_vector_set_x (vec, pos, val);
}
/* retrieve the given element of the given vector */
SCM
-gh_vref (SCM vec, SCM pos)
+gh_vector_ref (SCM vec, SCM pos)
{
return scm_vector_ref (vec, pos);
}
return gh_scm2ulong (scm_vector_length (v));
}
+#ifdef HAVE_ARRAYS
+/* uniform vector support */
+
+/* returns the length as a C unsigned long integer */
+unsigned long
+gh_uniform_vector_length (SCM v)
+{
+ return gh_scm2ulong (scm_uniform_vector_length (v));
+}
+
+/* gets the given element from a uniform vector; ilist is a list (or
+ possibly a single integer) of indices, and its length is the
+ dimension of the uniform vector */
+SCM
+gh_uniform_vector_ref (SCM v, SCM ilist)
+{
+ return scm_uniform_vector_ref (v, ilist);
+}
+
+/* sets an individual element in a uniform vector */
+/* SCM */
+/* gh_list_to_uniform_array ( */
+#endif
+
/* Data lookups between C and Scheme
Look up a symbol with a given name, and return the object to which
HCoop / bpt / guile.git / blobdiff