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/* Copyright 1992 NEC Corporation, Tokyo, Japan.
*
* Permission to use, copy, modify, distribute and sell this software
* and its documentation for any purpose is hereby granted without
* fee, provided that the above copyright notice appear in all copies
* and that both that copyright notice and this permission notice
* appear in supporting documentation, and that the name of NEC
* Corporation not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior
* permission. NEC Corporation makes no representations about the
* suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* NEC CORPORATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
* NO EVENT SHALL NEC CORPORATION BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
* USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
* OTHER TORTUOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: lisp.h,v 1.2 2003/09/17 10:15:09 aida_s Exp $ */
/* #include "keydef.h"
#include "mfdef.h"
#include "canna.h"
#include "symbolname.h" */
#include "ccompat.h"
#define YES 1
#define NO 0
#define VALGET 1
#define VALSET 0
#define CELLSIZE 10240 /* size of cell area (byte) */
#define STKSIZE 1024 /* the depth of value & parameter stack */
#define BUFSIZE 256 /* universal buffer size (byte) */
#define NIL 0 /* internal expression of NIL */
#define UNBOUND -2 /* unbound mark of variable */
#define NON -1 /* the mark of No. (unable to use NO) */
#define UNDEF 0
#define SPECIAL 1
#define SUBR 2
#define EXPR 3
#define CMACRO 4
#define MACRO 5
#define TAG_MASK 0x07000000L
#define CELL_MASK 0x00ffffffL
#define GC_MASK 0x08000000L
#define NIL_TAG 0L
#define NUMBER_TAG 0x01000000L
#define STRING_TAG 0x02000000L
#define SYMBOL_TAG 0x03000000L
#define CONS_TAG 0x04000000L
#define MAX_DEPTH 20
/* define macros */
#define null(x) !(x)
#define tag(x) ((x) & TAG_MASK)
#define atom(x) (tag(x) < CONS_TAG)
#define constp(x) (tag(x) < SYMBOL_TAG)
#define numberp(x) (tag(x) == NUMBER_TAG)
#define stringp(x) (tag(x) == STRING_TAG)
#define symbolp(x) (tag(x) == SYMBOL_TAG)
#define consp(x) (tag(x) == CONS_TAG)
#define gcfield(x) (((struct gccell *)x)->tagfield)
#define mkcopied(x) ((x) | GC_MASK)
#define alreadycopied(x) (gcfield(x) & GC_MASK)
#define newaddr(x) ((x) & ~GC_MASK)
typedef canna_intptr_t list;
typedef canna_intptr_t pointerint;
/* cell area */
#define celloffset(x) ((x) & CELL_MASK)
#define car(x) ((struct cell *)(celltop + celloffset(x)))->head
#define cdr(x) ((struct cell *)(celltop + celloffset(x)))->tail
#define caar(x) car(car(x))
#define cadr(x) car(cdr(x))
#define cdar(x) cdr(car(x))
#define cddr(x) cdr(cdr(x))
#define symbolpointer(x) ((struct atomcell *)(celltop + celloffset(x)))
#define mknum(x) (NUMBER_TAG | ((x) & CELL_MASK))
#define xnum(x) ((((x) & 0x00800000)) ? (x | 0xff000000) : (x & 0x00ffffff))
#define xstring(x) (((struct stringcell *)(celltop + celloffset(x)))->str)
#define xstrlen(x) (((struct stringcell *)(celltop + celloffset(x)))->length)
#define argnchk(fn,x) if (n != x) argnerr(fn)
/* data type definitions */
struct cell {
list tail;
list head;
};
struct atomcell {
list plist;
list value;
char *pname;
int ftype;
list (*func)();
list (*valfunc)();
int mid;
int fid;
list hlink;
};
struct stringcell {
int length;
char str[4]; /* dummy array */
};
struct gccell {
list tagfield;
};
struct atomdefs {
char *symname;
int symtype;
list (*symfunc)();
};
struct cannafndefs {
char *fnname;
int fnid;
};
struct cannamodedefs {
char *mdname;
int mdid;
};
struct cannavardefs {
char *varname;
list (*varfunc)();
};
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