1 /* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
3 * This program is free software; you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation; either version 2, or (at your option)
8 * This program 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
11 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this software; see the file COPYING. If not, write to
15 * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
16 * Boston, MA 02111-1307 USA
18 * As a special exception, the Free Software Foundation gives permission
19 * for additional uses of the text contained in its release of GUILE.
21 * The exception is that, if you link the GUILE library with other files
22 * to produce an executable, this does not by itself cause the
23 * resulting executable to be covered by the GNU General Public License.
24 * Your use of that executable is in no way restricted on account of
25 * linking the GUILE library code into it.
27 * This exception does not however invalidate any other reasons why
28 * the executable file might be covered by the GNU General Public License.
30 * This exception applies only to the code released by the
31 * Free Software Foundation under the name GUILE. If you copy
32 * code from other Free Software Foundation releases into a copy of
33 * GUILE, as the General Public License permits, the exception does
34 * not apply to the code that you add in this way. To avoid misleading
35 * anyone as to the status of such modified files, you must delete
36 * this exception notice from them.
38 * If you write modifications of your own for GUILE, it is your choice
39 * whether to permit this exception to apply to your modifications.
40 * If you do not wish that, delete this exception notice. */
42 /* Software engineering face-lift by Greg J. Badros, 11-Dec-1999,
43 gjb@cs.washington.edu, http://www.cs.washington.edu/homes/gjb */
54 SCM_CONST_LONG (scm_utag_immediate_integer
, "utag_immediate_integer", 0);
55 SCM_CONST_LONG (scm_utag_immediate_char
, "utag_immediate_char", 1);
56 SCM_CONST_LONG (scm_utag_pair
, "utag_pair", 2);
57 SCM_CONST_LONG (scm_utag_closure
, "utag_closure", 3);
58 SCM_CONST_LONG (scm_utag_symbol
, "utag_symbol", 4);
59 SCM_CONST_LONG (scm_utag_vector
, "utag_vector", 5);
60 SCM_CONST_LONG (scm_utag_wvect
, "utag_wvect", 6);
63 SCM_CONST_LONG (scm_utag_bvect
, "utag_bvect", 7);
64 SCM_CONST_LONG (scm_utag_byvect
, "utag_byvect", 8);
65 SCM_CONST_LONG (scm_utag_svect
, "utag_svect", 9);
66 SCM_CONST_LONG (scm_utag_ivect
, "utag_ivect", 10);
67 SCM_CONST_LONG (scm_utag_uvect
, "utag_uvect", 11);
68 SCM_CONST_LONG (scm_utag_fvect
, "utag_fvect", 12);
69 SCM_CONST_LONG (scm_utag_dvect
, "utag_dvect", 13);
70 SCM_CONST_LONG (scm_utag_cvect
, "utag_cvect", 14);
73 SCM_CONST_LONG (scm_utag_string
, "utag_string", 15);
74 SCM_CONST_LONG (scm_utag_substring
, "utag_substring", 17);
75 SCM_CONST_LONG (scm_utag_asubr
, "utag_asubr", 19);
76 SCM_CONST_LONG (scm_utag_subr_0
, "utag_subr_0", 20);
77 SCM_CONST_LONG (scm_utag_subr_1
, "utag_subr_1", 21);
78 SCM_CONST_LONG (scm_utag_cxr
, "utag_cxr", 22);
79 SCM_CONST_LONG (scm_utag_subr_3
, "utag_subr_3", 23);
80 SCM_CONST_LONG (scm_utag_subr_2
, "utag_subr_2", 24);
81 SCM_CONST_LONG (scm_utag_rpsubr
, "utag_rpsubr", 25);
82 SCM_CONST_LONG (scm_utag_subr_1o
, "utag_subr_1o", 26);
83 SCM_CONST_LONG (scm_utag_subr_2o
, "utag_subr_2o", 27);
84 SCM_CONST_LONG (scm_utag_lsubr_2
, "utag_lsubr_2", 28);
85 SCM_CONST_LONG (scm_utag_lsubr
, "utag_lsubr", 29);
86 SCM_CONST_LONG (scm_utag_smob_base
, "utag_smob_base", 252);
87 SCM_CONST_LONG (scm_utag_port_base
, "utag_port_base", 253);
88 SCM_CONST_LONG (scm_utag_flag_base
, "utag_flag_base", 254);
89 SCM_CONST_LONG (scm_utag_struct_base
, "utag_struct_base", 255);
92 SCM_DEFINE (scm_tag
, "tag", 1, 0, 0,
94 "Return an integer corresponding to the type of X. Deprecated.")
95 #define FUNC_NAME s_scm_tag
97 switch (SCM_ITAG3 (x
))
101 return SCM_CDR (scm_utag_immediate_integer
) ;
105 return SCM_CDR (scm_utag_immediate_char
) ;
108 SCM tag
= SCM_MAKINUM ((SCM_UNPACK (x
) >> 8) & 0xff);
109 return SCM_MAKINUM (SCM_INUM (SCM_CDR (scm_utag_flag_base
) ) | (SCM_UNPACK (tag
) << 8));
113 switch (SCM_TYP7 (x
))
115 case scm_tcs_cons_nimcar
:
116 return SCM_CDR (scm_utag_pair
) ;
117 case scm_tcs_closures
:
118 return SCM_CDR (scm_utag_closure
) ;
119 case scm_tcs_symbols
:
120 return SCM_CDR (scm_utag_symbol
) ;
122 return SCM_CDR (scm_utag_vector
) ;
124 return SCM_CDR (scm_utag_wvect
) ;
128 return SCM_CDR (scm_utag_bvect
) ;
130 return SCM_CDR (scm_utag_byvect
) ;
132 return SCM_CDR (scm_utag_svect
) ;
134 return SCM_CDR (scm_utag_ivect
) ;
136 return SCM_CDR (scm_utag_uvect
) ;
138 return SCM_CDR (scm_utag_fvect
) ;
140 return SCM_CDR (scm_utag_dvect
) ;
142 return SCM_CDR (scm_utag_cvect
) ;
146 return SCM_CDR (scm_utag_string
) ;
147 case scm_tc7_substring
:
148 return SCM_CDR (scm_utag_substring
) ;
150 return SCM_CDR (scm_utag_asubr
) ;
152 return SCM_CDR (scm_utag_subr_0
) ;
154 return SCM_CDR (scm_utag_subr_1
) ;
156 return SCM_CDR (scm_utag_cxr
) ;
158 return SCM_CDR (scm_utag_subr_3
) ;
160 return SCM_CDR (scm_utag_subr_2
) ;
162 return SCM_CDR (scm_utag_rpsubr
) ;
163 case scm_tc7_subr_1o
:
164 return SCM_CDR (scm_utag_subr_1o
) ;
165 case scm_tc7_subr_2o
:
166 return SCM_CDR (scm_utag_subr_2o
) ;
167 case scm_tc7_lsubr_2
:
168 return SCM_CDR (scm_utag_lsubr_2
) ;
170 return SCM_CDR (scm_utag_lsubr
) ;
175 tag
= (SCM_TYP16 (x
) >> 8) & 0xff;
176 return SCM_MAKINUM (SCM_INUM (SCM_CDR (scm_utag_port_base
)) | (tag
<< 8));
181 tag
= (SCM_TYP16 (x
) >> 8) & 0xff;
182 return SCM_MAKINUM (SCM_INUM (SCM_CDR (scm_utag_smob_base
))
185 case scm_tcs_cons_gloc
:
186 /* must be a struct */
188 int tag
= (int) SCM_STRUCT_VTABLE_DATA (x
) >> 3;
189 return SCM_MAKINUM (SCM_INUM (SCM_CDR (scm_utag_struct_base
))
195 return SCM_CDR (scm_utag_pair
);
197 return SCM_MAKINUM (-1);
200 case scm_tc3_cons_gloc
:
203 case scm_tc3_closure
:
207 return SCM_MAKINUM (-1);