/* This is a minimally edited version of Guile's tags.h. */
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/* This is a minimally edited version of Guile's tags.h. */
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/* classes: h_files */
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/* classes: h_files */
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#ifndef TAGSH
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#ifndef TAGSH
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#define TAGSH
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#define TAGSH
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/* Copyright (C) 1995 Free Software Foundation, Inc.
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/* Copyright (C) 1995 Free Software Foundation, Inc.
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* This program is free software; you can redistribute it and/or modify
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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* any later version.
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*
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*
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* This program is distributed in the hope that it will be useful,
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* GNU General Public License for more details.
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*
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*
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* You should have received a copy of the GNU General Public License
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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*
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* As a special exception, the Free Software Foundation gives permission
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* As a special exception, the Free Software Foundation gives permission
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* for additional uses of the text contained in its release of GUILE.
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* for additional uses of the text contained in its release of GUILE.
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*
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*
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* The exception is that, if you link the GUILE library with other files
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* The exception is that, if you link the GUILE library with other files
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* to produce an executable, this does not by itself cause the
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* to produce an executable, this does not by itself cause the
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* resulting executable to be covered by the GNU General Public License.
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* resulting executable to be covered by the GNU General Public License.
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* Your use of that executable is in no way restricted on account of
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* Your use of that executable is in no way restricted on account of
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* linking the GUILE library code into it.
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* linking the GUILE library code into it.
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*
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*
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* This exception does not however invalidate any other reasons why
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* This exception does not however invalidate any other reasons why
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* the executable file might be covered by the GNU General Public License.
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* the executable file might be covered by the GNU General Public License.
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*
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*
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* This exception applies only to the code released by the
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* This exception applies only to the code released by the
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* Free Software Foundation under the name GUILE. If you copy
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* Free Software Foundation under the name GUILE. If you copy
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* code from other Free Software Foundation releases into a copy of
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* code from other Free Software Foundation releases into a copy of
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* GUILE, as the General Public License permits, the exception does
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* GUILE, as the General Public License permits, the exception does
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* not apply to the code that you add in this way. To avoid misleading
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* not apply to the code that you add in this way. To avoid misleading
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* anyone as to the status of such modified files, you must delete
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* anyone as to the status of such modified files, you must delete
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* this exception notice from them.
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* this exception notice from them.
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*
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*
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* If you write modifications of your own for GUILE, it is your choice
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* If you write modifications of your own for GUILE, it is your choice
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* whether to permit this exception to apply to your modifications.
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* whether to permit this exception to apply to your modifications.
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* If you do not wish that, delete this exception notice.
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* If you do not wish that, delete this exception notice.
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*/
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*/
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/** This file defines the format of SCM values and cons pairs.
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/** This file defines the format of SCM values and cons pairs.
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** It is here that tag bits are assigned for various purposes.
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** It is here that tag bits are assigned for various purposes.
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**/
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**/
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/* Three Bit Tags
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/* Three Bit Tags
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* 000 -- a non-immediate value. Points into the pair heap.
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* 000 -- a non-immediate value. Points into the pair heap.
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*
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*
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* 001 -- a gloc (i.e., a resolved global variable in a CAR in a code graph)
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* 001 -- a gloc (i.e., a resolved global variable in a CAR in a code graph)
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* or the CAR of an object handle (i.e., the tagged pointer to the
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* or the CAR of an object handle (i.e., the tagged pointer to the
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* vtable part of a user-defined object).
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* vtable part of a user-defined object).
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*
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*
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* If X has this tag, the value at CDAR(X - 1) distinguishes
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* If X has this tag, the value at CDAR(X - 1) distinguishes
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* glocs from object handles. The distinction only needs
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* glocs from object handles. The distinction only needs
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* to be made in a few places. Only a few parts of the code know
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* to be made in a few places. Only a few parts of the code know
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* about glocs. In most cases, when a value in the CAR of a pair
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* about glocs. In most cases, when a value in the CAR of a pair
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* has the tag 001, it means that the pair is an object handle.
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* has the tag 001, it means that the pair is an object handle.
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*
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*
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* 010 -- the tag for immediate, exact integers.
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* 010 -- the tag for immediate, exact integers.
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*
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*
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* 011 -- in the CAR of a pair, this tag indicates that the pair is a closure.
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* 011 -- in the CAR of a pair, this tag indicates that the pair is a closure.
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* The remaining bits of the CAR are a pointer into the pair heap
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* The remaining bits of the CAR are a pointer into the pair heap
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* to the code graph for the closure.
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* to the code graph for the closure.
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*
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*
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* 1xy -- an extension tag which means that there is a five or six bit
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* 1xy -- an extension tag which means that there is a five or six bit
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* tag to the left of the low three bits. See the nice diagrams
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* tag to the left of the low three bits. See the nice diagrams
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* in ../doc/code.doc if you want to know what the bits mean.
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* in ../doc/code.doc if you want to know what the bits mean.
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*/
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*/
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#define scm_tc3_cons 0
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#define scm_tc3_cons 0
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#define scm_tc3_cons_gloc 1
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#define scm_tc3_cons_gloc 1
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#define scm_tc3_closure 3
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#define scm_tc3_closure 3
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#define scm_tc7_ssymbol 5
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#define scm_tc7_ssymbol 5
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#define scm_tc7_msymbol 7
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#define scm_tc7_msymbol 7
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#define scm_tc7_string 13
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#define scm_tc7_string 13
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#define scm_tc7_bvect 15
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#define scm_tc7_bvect 15
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#define scm_tc7_vector 21
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#define scm_tc7_vector 21
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#define scm_tc7_lvector 23
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#define scm_tc7_lvector 23
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#define scm_tc7_ivect 29
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#define scm_tc7_ivect 29
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#define scm_tc7_uvect 31
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#define scm_tc7_uvect 31
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/* spare 37 39 */
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/* spare 37 39 */
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#define scm_tc7_fvect 45
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#define scm_tc7_fvect 45
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#define scm_tc7_dvect 47
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#define scm_tc7_dvect 47
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#define scm_tc7_cvect 53
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#define scm_tc7_cvect 53
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#define scm_tc7_port 55
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#define scm_tc7_port 55
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#define scm_tc7_contin 61
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#define scm_tc7_contin 61
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#define scm_tc7_cclo 63
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#define scm_tc7_cclo 63
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/* spare 69 71 77 79 */
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/* spare 69 71 77 79 */
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#define scm_tc7_subr_0 85
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#define scm_tc7_subr_0 85
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#define scm_tc7_subr_1 87
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#define scm_tc7_subr_1 87
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#define scm_tc7_cxr 93
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#define scm_tc7_cxr 93
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#define scm_tc7_subr_3 95
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#define scm_tc7_subr_3 95
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#define scm_tc7_subr_2 101
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#define scm_tc7_subr_2 101
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#define scm_tc7_asubr 103
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#define scm_tc7_asubr 103
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#define scm_tc7_subr_1o 109
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#define scm_tc7_subr_1o 109
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#define scm_tc7_subr_2o 111
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#define scm_tc7_subr_2o 111
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#define scm_tc7_lsubr_2 117
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#define scm_tc7_lsubr_2 117
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#define scm_tc7_lsubr 119
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#define scm_tc7_lsubr 119
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#define scm_tc7_rpsubr 125
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#define scm_tc7_rpsubr 125
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#define scm_tc7_smob 127
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#define scm_tc7_smob 127
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#define scm_tc_free_cell 127
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#define scm_tc_free_cell 127
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#define scm_tc16_flo 0x017f
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#define scm_tc16_flo 0x017f
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#define scm_tc_flo 0x017fL
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#define scm_tc_flo 0x017fL
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#define SCM_REAL_PART (1L<<16)
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#define SCM_REAL_PART (1L<<16)
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#define SCM_IMAG_PART (2L<<16)
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#define SCM_IMAG_PART (2L<<16)
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#define scm_tc_dblr (scm_tc16_flo|REAL_PART)
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#define scm_tc_dblr (scm_tc16_flo|REAL_PART)
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#define scm_tc_dblc (scm_tc16_flo|REAL_PART|IMAG_PART)
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#define scm_tc_dblc (scm_tc16_flo|REAL_PART|IMAG_PART)
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#define scm_tc16_bigpos 0x027f
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#define scm_tc16_bigpos 0x027f
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#define scm_tc16_bigneg 0x037f
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#define scm_tc16_bigneg 0x037f
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#define scm_tc16_fport (scm_tc7_port + 0*256L)
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#define scm_tc16_fport (scm_tc7_port + 0*256L)
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#define scm_tc16_pipe (scm_tc7_port + 1*256L)
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#define scm_tc16_pipe (scm_tc7_port + 1*256L)
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#define scm_tc16_strport (scm_tc7_port + 2*256L)
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#define scm_tc16_strport (scm_tc7_port + 2*256L)
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#define scm_tc16_sfport (scm_tc7_port + 3*256L)
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#define scm_tc16_sfport (scm_tc7_port + 3*256L)
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/* For cons pairs with immediate values in the CAR */
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/* For cons pairs with immediate values in the CAR */
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#define scm_tcs_cons_imcar 2:case 4:case 6:case 10:\
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#define scm_tcs_cons_imcar 2:case 4:case 6:case 10:\
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case 12:case 14:case 18:case 20:\
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case 12:case 14:case 18:case 20:\
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case 22:case 26:case 28:case 30:\
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case 22:case 26:case 28:case 30:\
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case 34:case 36:case 38:case 42:\
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case 34:case 36:case 38:case 42:\
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case 44:case 46:case 50:case 52:\
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case 44:case 46:case 50:case 52:\
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case 54:case 58:case 60:case 62:\
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case 54:case 58:case 60:case 62:\
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case 66:case 68:case 70:case 74:\
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case 66:case 68:case 70:case 74:\
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case 76:case 78:case 82:case 84:\
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case 76:case 78:case 82:case 84:\
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case 86:case 90:case 92:case 94:\
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case 86:case 90:case 92:case 94:\
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case 98:case 100:case 102:case 106:\
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case 98:case 100:case 102:case 106:\
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case 108:case 110:case 114:case 116:\
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case 108:case 110:case 114:case 116:\
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case 118:case 122:case 124:case 126
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case 118:case 122:case 124:case 126
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/* For cons pairs with non-immediate values in the CAR */
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/* For cons pairs with non-immediate values in the CAR */
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#define scm_tcs_cons_nimcar 0:case 8:case 16:case 24:\
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#define scm_tcs_cons_nimcar 0:case 8:case 16:case 24:\
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case 32:case 40:case 48:case 56:\
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case 32:case 40:case 48:case 56:\
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case 64:case 72:case 80:case 88:\
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case 64:case 72:case 80:case 88:\
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case 96:case 104:case 112:case 120
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case 96:case 104:case 112:case 120
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/* A CONS_GLOC occurs in code. It's CAR is a pointer to the
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/* A CONS_GLOC occurs in code. It's CAR is a pointer to the
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* CDR of a variable. The low order bits of the CAR are 001.
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* CDR of a variable. The low order bits of the CAR are 001.
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* The CDR of the gloc is the code continuation.
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* The CDR of the gloc is the code continuation.
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*/
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*/
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#define scm_tcs_cons_gloc 1:case 9:case 17:case 25:\
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#define scm_tcs_cons_gloc 1:case 9:case 17:case 25:\
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case 33:case 41:case 49:case 57:\
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case 33:case 41:case 49:case 57:\
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case 65:case 73:case 81:case 89:\
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case 65:case 73:case 81:case 89:\
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case 97:case 105:case 113:case 121
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case 97:case 105:case 113:case 121
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#define scm_tcs_closures 3:case 11:case 19:case 27:\
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#define scm_tcs_closures 3:case 11:case 19:case 27:\
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case 35:case 43:case 51:case 59:\
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case 35:case 43:case 51:case 59:\
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case 67:case 75:case 83:case 91:\
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case 67:case 75:case 83:case 91:\
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case 99:case 107:case 115:case 123
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case 99:case 107:case 115:case 123
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#define scm_tcs_subrs scm_tc7_asubr:case scm_tc7_subr_0:case scm_tc7_subr_1:case scm_tc7_cxr:\
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#define scm_tcs_subrs scm_tc7_asubr:case scm_tc7_subr_0:case scm_tc7_subr_1:case scm_tc7_cxr:\
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case scm_tc7_subr_3:case scm_tc7_subr_2:case scm_tc7_rpsubr:case scm_tc7_subr_1o:\
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case scm_tc7_subr_3:case scm_tc7_subr_2:case scm_tc7_rpsubr:case scm_tc7_subr_1o:\
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case scm_tc7_subr_2o:case scm_tc7_lsubr_2:case scm_tc7_lsubr
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case scm_tc7_subr_2o:case scm_tc7_lsubr_2:case scm_tc7_lsubr
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#define scm_tcs_symbols scm_tc7_ssymbol:case scm_tc7_msymbol
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#define scm_tcs_symbols scm_tc7_ssymbol:case scm_tc7_msymbol
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#define scm_tcs_bignums tc16_bigpos:case tc16_bigneg
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#define scm_tcs_bignums tc16_bigpos:case tc16_bigneg
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/* References to objects are of type SCM. Values may be non-immediate
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/* References to objects are of type SCM. Values may be non-immediate
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* (pointers) or immediate (encoded, immutable, scalar values that fit
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* (pointers) or immediate (encoded, immutable, scalar values that fit
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* in an SCM variable).
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* in an SCM variable).
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*/
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*/
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typedef long SCM;
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typedef long SCM;
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/* Cray machines have pointers that are incremented once for each word,
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/* Cray machines have pointers that are incremented once for each word,
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* rather than each byte, the 3 most significant bits encode the byte
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* rather than each byte, the 3 most significant bits encode the byte
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* within the word. The following macros deal with this by storing the
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* within the word. The following macros deal with this by storing the
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* native Cray pointers like the ones that looks like scm expects. This
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* native Cray pointers like the ones that looks like scm expects. This
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* is done for any pointers that might appear in the car of a scm_cell, pointers
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* is done for any pointers that might appear in the car of a scm_cell, pointers
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* to scm_vector elts, functions, &c are not munged.
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* to scm_vector elts, functions, &c are not munged.
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*/
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*/
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#ifdef _UNICOS
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#ifdef _UNICOS
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#define SCM2PTR(x) ((int)(x) >> 3)
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#define SCM2PTR(x) ((int)(x) >> 3)
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#define PTR2SCM(x) (((SCM)(x)) << 3)
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#define PTR2SCM(x) (((SCM)(x)) << 3)
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#define SCM_POINTERS_MUNGED
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#define SCM_POINTERS_MUNGED
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#else
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#else
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#define SCM2PTR(x) (x)
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#define SCM2PTR(x) (x)
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#define PTR2SCM(x) ((SCM)(x))
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#define PTR2SCM(x) ((SCM)(x))
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#endif /* def _UNICOS */
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#endif /* def _UNICOS */
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/* Immediate? Predicates
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/* Immediate? Predicates
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*/
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*/
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#define SCM_IMP(x) (6 & (int)(x))
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#define SCM_IMP(x) (6 & (int)(x))
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#define SCM_NIMP(x) (!SCM_IMP(x))
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#define SCM_NIMP(x) (!SCM_IMP(x))
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enum scm_tags
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enum scm_tags
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{
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{
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scm_tc8_char = 0xf4
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scm_tc8_char = 0xf4
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};
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};
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#define SCM_ITAG8(X) ((int)(X) & 0xff)
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#define SCM_ITAG8(X) ((int)(X) & 0xff)
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#define SCM_MAKE_ITAG8(X, TAG) (((X)<<8) + TAG)
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#define SCM_MAKE_ITAG8(X, TAG) (((X)<<8) + TAG)
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#define SCM_ITAG8_DATA(X) ((X)>>8)
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#define SCM_ITAG8_DATA(X) ((X)>>8)
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/* Local Environment Structure
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/* Local Environment Structure
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*/
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*/
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#define SCM_ILOCP(n) ((0xff & (int)(n))==0xfc)
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#define SCM_ILOCP(n) ((0xff & (int)(n))==0xfc)
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#define SCM_ILOC00 (0x000000fcL)
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#define SCM_ILOC00 (0x000000fcL)
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#define SCM_IDINC (0x00100000L)
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#define SCM_IDINC (0x00100000L)
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#define SCM_ICDR (0x00080000L)
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#define SCM_ICDR (0x00080000L)
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#define SCM_IFRINC (0x00000100L)
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#define SCM_IFRINC (0x00000100L)
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#define SCM_IDSTMSK (-SCM_IDINC)
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#define SCM_IDSTMSK (-SCM_IDINC)
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#define SCM_IFRAME(n) ((int)((SCM_ICDR-SCM_IFRINC)>>8) & ((int)(n)>>8))
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#define SCM_IFRAME(n) ((int)((SCM_ICDR-SCM_IFRINC)>>8) & ((int)(n)>>8))
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#define SCM_IDIST(n) (((unsigned long)(n))>>20)
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#define SCM_IDIST(n) (((unsigned long)(n))>>20)
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#define SCM_ICDRP(n) (SCM_ICDR & (n))
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#define SCM_ICDRP(n) (SCM_ICDR & (n))
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/* Immediate Symbols, Special Symbols, Flags (various constants).
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/* Immediate Symbols, Special Symbols, Flags (various constants).
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*/
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*/
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/* ISYMP tests for ISPCSYM and ISYM */
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/* ISYMP tests for ISPCSYM and ISYM */
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#define SCM_ISYMP(n) ((0x187 & (int)(n))==4)
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#define SCM_ISYMP(n) ((0x187 & (int)(n))==4)
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/* IFLAGP tests for ISPCSYM, ISYM and IFLAG */
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/* IFLAGP tests for ISPCSYM, ISYM and IFLAG */
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#define SCM_IFLAGP(n) ((0x87 & (int)(n))==4)
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#define SCM_IFLAGP(n) ((0x87 & (int)(n))==4)
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#define SCM_ISYMNUM(n) ((int)((n)>>9))
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#define SCM_ISYMNUM(n) ((int)((n)>>9))
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#define SCM_ISYMCHARS(n) (scm_isymnames[SCM_ISYMNUM(n)])
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#define SCM_ISYMCHARS(n) (scm_isymnames[SCM_ISYMNUM(n)])
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#define SCM_MAKSPCSYM(n) (((n)<<9)+((n)<<3)+4L)
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#define SCM_MAKSPCSYM(n) (((n)<<9)+((n)<<3)+4L)
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#define SCM_MAKISYM(n) (((n)<<9)+0x74L)
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#define SCM_MAKISYM(n) (((n)<<9)+0x74L)
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#define SCM_MAKIFLAG(n) (((n)<<9)+0x174L)
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#define SCM_MAKIFLAG(n) (((n)<<9)+0x174L)
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/* This table must agree with the declarations
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/* This table must agree with the declarations
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* in repl.c: {Names of immediate symbols}.
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* in repl.c: {Names of immediate symbols}.
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*
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*
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* These are used only in eval but their values
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* These are used only in eval but their values
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* have to be allocated here.
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* have to be allocated here.
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*
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*
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*/
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*/
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#define SCM_IM_AND SCM_MAKSPCSYM(0)
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#define SCM_IM_AND SCM_MAKSPCSYM(0)
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#define SCM_IM_BEGIN SCM_MAKSPCSYM(1)
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#define SCM_IM_BEGIN SCM_MAKSPCSYM(1)
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#define SCM_IM_CASE SCM_MAKSPCSYM(2)
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#define SCM_IM_CASE SCM_MAKSPCSYM(2)
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#define SCM_IM_COND SCM_MAKSPCSYM(3)
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#define SCM_IM_COND SCM_MAKSPCSYM(3)
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#define SCM_IM_DO SCM_MAKSPCSYM(4)
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#define SCM_IM_DO SCM_MAKSPCSYM(4)
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#define SCM_IM_IF SCM_MAKSPCSYM(5)
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#define SCM_IM_IF SCM_MAKSPCSYM(5)
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#define SCM_IM_LAMBDA SCM_MAKSPCSYM(6)
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#define SCM_IM_LAMBDA SCM_MAKSPCSYM(6)
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#define SCM_IM_LET SCM_MAKSPCSYM(7)
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#define SCM_IM_LET SCM_MAKSPCSYM(7)
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#define SCM_IM_LETSTAR SCM_MAKSPCSYM(8)
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#define SCM_IM_LETSTAR SCM_MAKSPCSYM(8)
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#define SCM_IM_LETREC SCM_MAKSPCSYM(9)
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#define SCM_IM_LETREC SCM_MAKSPCSYM(9)
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#define SCM_IM_OR SCM_MAKSPCSYM(10)
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#define SCM_IM_OR SCM_MAKSPCSYM(10)
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#define SCM_IM_QUOTE SCM_MAKSPCSYM(11)
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#define SCM_IM_QUOTE SCM_MAKSPCSYM(11)
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#define SCM_IM_SET SCM_MAKSPCSYM(12)
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#define SCM_IM_SET SCM_MAKSPCSYM(12)
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#define SCM_IM_DEFINE SCM_MAKSPCSYM(13)
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#define SCM_IM_DEFINE SCM_MAKSPCSYM(13)
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#define SCM_IM_APPLY SCM_MAKISYM(14)
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#define SCM_IM_APPLY SCM_MAKISYM(14)
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#define SCM_IM_CONT SCM_MAKISYM(15)
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#define SCM_IM_CONT SCM_MAKISYM(15)
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#define SCM_NUM_ISYMS 16
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#define SCM_NUM_ISYMS 16
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/* Important immediates
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/* Important immediates
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*/
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*/
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#define SCM_BOOL_F SCM_MAKIFLAG(SCM_NUM_ISYMS+0)
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#define SCM_BOOL_F SCM_MAKIFLAG(SCM_NUM_ISYMS+0)
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#define SCM_BOOL_T SCM_MAKIFLAG(SCM_NUM_ISYMS+1)
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#define SCM_BOOL_T SCM_MAKIFLAG(SCM_NUM_ISYMS+1)
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#define SCM_UNDEFINED SCM_MAKIFLAG(SCM_NUM_ISYMS+2)
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#define SCM_UNDEFINED SCM_MAKIFLAG(SCM_NUM_ISYMS+2)
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#define SCM_EOF_VAL SCM_MAKIFLAG(SCM_NUM_ISYMS+3)
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#define SCM_EOF_VAL SCM_MAKIFLAG(SCM_NUM_ISYMS+3)
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#ifdef SICP
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#ifdef SICP
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#define SCM_EOL SCM_BOOL_F
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#define SCM_EOL SCM_BOOL_F
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#else
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#else
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#define SCM_EOL SCM_MAKIFLAG(SCM_NUM_ISYMS+4)
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#define SCM_EOL SCM_MAKIFLAG(SCM_NUM_ISYMS+4)
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#endif
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#endif
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#define SCM_UNSPECIFIED SCM_MAKIFLAG(SCM_NUM_ISYMS+5)
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#define SCM_UNSPECIFIED SCM_MAKIFLAG(SCM_NUM_ISYMS+5)
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/* Heap Pairs and the Empty List Predicates
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/* Heap Pairs and the Empty List Predicates
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*/
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*/
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#define SCM_NULLP(x) (SCM_EOL == (x))
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#define SCM_NULLP(x) (SCM_EOL == (x))
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#define SCM_NNULLP(x) (SCM_EOL != (x))
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#define SCM_NNULLP(x) (SCM_EOL != (x))
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#define SCM_CELLP(x) (!SCM_NCELLP(x))
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#define SCM_CELLP(x) (!SCM_NCELLP(x))
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#define SCM_NCELLP(x) ((sizeof(scm_cell)-1) & (int)(x))
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#define SCM_NCELLP(x) ((sizeof(scm_cell)-1) & (int)(x))
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#define SCM_UNBNDP(x) (SCM_UNDEFINED==(x))
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#define SCM_UNBNDP(x) (SCM_UNDEFINED==(x))
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/* Testing and Changing GC Marks in Various Standard Positions
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/* Testing and Changing GC Marks in Various Standard Positions
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*/
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*/
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#define SCM_GCMARKP(x) (1 & (int)SCM_CDR(x))
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#define SCM_GCMARKP(x) (1 & (int)SCM_CDR(x))
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#define SCM_GC8MARKP(x) (0x80 & (int)SCM_CAR(x))
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#define SCM_GC8MARKP(x) (0x80 & (int)SCM_CAR(x))
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#define SCM_SETGCMARK(x) (SCM_CDR(x) |= 1)
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#define SCM_SETGCMARK(x) (SCM_CDR(x) |= 1)
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#define SCM_CLRGCMARK(x) (SCM_CDR(x) &= ~1L)
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#define SCM_CLRGCMARK(x) (SCM_CDR(x) &= ~1L)
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#define SCM_SETGC8MARK(x) (SCM_CAR(x) |= 0x80)
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#define SCM_SETGC8MARK(x) (SCM_CAR(x) |= 0x80)
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#define SCM_CLRGC8MARK(x) (SCM_CAR(x) &= ~0x80L)
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#define SCM_CLRGC8MARK(x) (SCM_CAR(x) &= ~0x80L)
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/* Extracting Tag Bits, With or Without GC Safety and Optional Bits
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/* Extracting Tag Bits, With or Without GC Safety and Optional Bits
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*/
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*/
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#define SCM_TYP3(x) (7 & (int)SCM_CAR(x))
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#define SCM_TYP3(x) (7 & (int)SCM_CAR(x))
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#define SCM_TYP7(x) (0x7f & (int)SCM_CAR(x))
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#define SCM_TYP7(x) (0x7f & (int)SCM_CAR(x))
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#define SCM_TYP7S(x) (0x7d & (int)SCM_CAR(x))
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#define SCM_TYP7S(x) (0x7d & (int)SCM_CAR(x))
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#define SCM_TYP16(x) (0xffff & (int)SCM_CAR(x))
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#define SCM_TYP16(x) (0xffff & (int)SCM_CAR(x))
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#define SCM_TYP16S(x) (0xfeff & (int)SCM_CAR(x))
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#define SCM_TYP16S(x) (0xfeff & (int)SCM_CAR(x))
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#define SCM_GCTYP16(x) (0xff7f & (int)SCM_CAR(x))
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#define SCM_GCTYP16(x) (0xff7f & (int)SCM_CAR(x))
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/* Two slightly extensible types: smobs and ptobs.
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/* Two slightly extensible types: smobs and ptobs.
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*/
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*/
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#define SCM_SMOBNUM(x) (0x0ff & (CAR(x)>>8));
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#define SCM_SMOBNUM(x) (0x0ff & (CAR(x)>>8));
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#define SCM_PTOBNUM(x) (0x0ff & (CAR(x)>>8));
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#define SCM_PTOBNUM(x) (0x0ff & (CAR(x)>>8));
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#define SCM_DIRP(x) (SCM_NIMP(x) && (TYP16(x)==(scm_tc16_dir)))
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#define SCM_DIRP(x) (SCM_NIMP(x) && (TYP16(x)==(scm_tc16_dir)))
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#define SCM_OPDIRP(x) (SCM_NIMP(x) && (CAR(x)==(scm_tc16_dir | OPN)))
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#define SCM_OPDIRP(x) (SCM_NIMP(x) && (CAR(x)==(scm_tc16_dir | OPN)))
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/* Lvectors
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/* Lvectors
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*/
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*/
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#define SCM_LVECTORP(x) (TYP7(x)==tc7_lvector)
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#define SCM_LVECTORP(x) (TYP7(x)==tc7_lvector)
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#if 0
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#if 0
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/* Sockets
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/* Sockets
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*/
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*/
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#define tc_socket (tc7_port | OPN)
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#define tc_socket (tc7_port | OPN)
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#define SCM_SOCKP(x) (((0x7f | OPN | RDNG | WRTNG) & CAR(x))==(tc_socket))
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#define SCM_SOCKP(x) (((0x7f | OPN | RDNG | WRTNG) & CAR(x))==(tc_socket))
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#define SCM_SOCKTYP(x) (CAR(x)>>24)
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#define SCM_SOCKTYP(x) (CAR(x)>>24)
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extern int scm_tc16_key_vector;
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extern int scm_tc16_key_vector;
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#define SCM_KEYVECP(X) (scm_tc16_key_vector == TYP16 (X))
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#define SCM_KEYVECP(X) (scm_tc16_key_vector == TYP16 (X))
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#define SCM_KEYVECLEN(OBJ) (((unsigned long)CAR (obj)) >> 16)
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#define SCM_KEYVECLEN(OBJ) (((unsigned long)CAR (obj)) >> 16)
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#define SCM_MALLOCDATA(obj) ((char *)CDR(obj))
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#define SCM_MALLOCDATA(obj) ((char *)CDR(obj))
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#define SCM_MALLOCLEN(obj) (((unsigned long)CAR (obj)) >> 16)
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#define SCM_MALLOCLEN(obj) (((unsigned long)CAR (obj)) >> 16)
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#define SCM_WORDDATA(obj) (CDR (obj))
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#define SCM_WORDDATA(obj) (CDR (obj))
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#define SCM_BYTECODEP(X) ((TYP7 (X) == tc7_cclo) && (CCLO_SUBR (X) == rb_proc))
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#define SCM_BYTECODEP(X) ((TYP7 (X) == tc7_cclo) && (CCLO_SUBR (X) == rb_proc))
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#define SCM_BYTECODE_CONSTANTS(X) (VELTS(X)[1])
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#define SCM_BYTECODE_CONSTANTS(X) (VELTS(X)[1])
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#define SCM_BYTECODE_CODE(X) (VELTS(X)[2])
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#define SCM_BYTECODE_CODE(X) (VELTS(X)[2])
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#define SCM_BYTECODE_NAME(X) (VELTS(X)[3])
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#define SCM_BYTECODE_NAME(X) (VELTS(X)[3])
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#define SCM_BYTECODE_BCODE(X) (VELTS(X)[4])
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#define SCM_BYTECODE_BCODE(X) (VELTS(X)[4])
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#define SCM_BYTECODE_ELTS 5
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#define SCM_BYTECODE_ELTS 5
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#define SCM_FREEP(x) (CAR(x)==tc_free_cell)
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#define SCM_FREEP(x) (CAR(x)==tc_free_cell)
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#define SCM_NFREEP(x) (!FREEP(x))
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#define SCM_NFREEP(x) (!FREEP(x))
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#endif /* 0 */
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#endif /* 0 */
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#ifdef __STDC__
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#ifdef __STDC__
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#else /* STDC */
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#else /* STDC */
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#endif /* STDC */
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#endif /* STDC */
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#endif /* TAGSH */
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#endif /* TAGSH */
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