mirror of
https://github.com/lcn2/calc.git
synced 2025-08-16 01:03:29 +03:00
db77e29a23
Converted all ASCII tabs to ASCII spaces using a 8 character tab stop, for all files, except for all Makefiles (plus rpm.mk). The `git diff -w` reports no changes.
111 lines
3.5 KiB
C
111 lines
3.5 KiB
C
/*
|
|
* func - built-in function interface definitions
|
|
*
|
|
* Copyright (C) 1999-2007,2014 David I. Bell
|
|
*
|
|
* Calc is open software; you can redistribute it and/or modify it under
|
|
* the terms of the version 2.1 of the GNU Lesser General Public License
|
|
* as published by the Free Software Foundation.
|
|
*
|
|
* Calc is distributed in the hope that it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
|
|
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
|
|
* Public License for more details.
|
|
*
|
|
* A copy of version 2.1 of the GNU Lesser General Public License is
|
|
* distributed with calc under the filename COPYING-LGPL. You should have
|
|
* received a copy with calc; if not, write to Free Software Foundation, Inc.
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*
|
|
* Under source code control: 1990/02/15 01:48:33
|
|
* File existed as early as: before 1990
|
|
*
|
|
* Share and enjoy! :-) http://www.isthe.com/chongo/tech/comp/calc/
|
|
*/
|
|
|
|
|
|
#if !defined(INCLUDE_FUNC_H)
|
|
#define INCLUDE_FUNC_H
|
|
|
|
|
|
#if defined(CALC_SRC) /* if we are building from the calc source tree */
|
|
# include "calc.h"
|
|
# include "label.h"
|
|
#else
|
|
# include <calc/calc.h>
|
|
# include <calc/label.h>
|
|
#endif
|
|
|
|
|
|
/*
|
|
* Structure of a function.
|
|
* The f_opcodes array is actually of variable size.
|
|
*/
|
|
typedef struct func FUNC;
|
|
struct func {
|
|
FUNC *f_next; /* next function in list */
|
|
unsigned long f_opcodecount; /* size of opcode array */
|
|
unsigned int f_localcount; /* number of local variables */
|
|
unsigned int f_paramcount; /* max number of parameters */
|
|
char *f_name; /* function name */
|
|
VALUE f_savedvalue; /* saved value of last expression */
|
|
unsigned long f_opcodes[1]; /* array of opcodes (variable length) */
|
|
};
|
|
|
|
|
|
/*
|
|
* Amount of space needed to allocate a function of n opcodes.
|
|
*/
|
|
#define funcsize(n) (sizeof(FUNC) + (n) * sizeof(long))
|
|
|
|
|
|
/*
|
|
* Size of a character pointer rounded up to a number of opcodes.
|
|
*/
|
|
#define PTR_SIZE ((sizeof(char *) + sizeof(long) - 1) / sizeof(long))
|
|
|
|
|
|
/*
|
|
* The current function being compiled.
|
|
*/
|
|
E_FUNC FUNC *curfunc; /* NOTE: This is a function pointer, we need E_FUNC */
|
|
|
|
|
|
/*
|
|
* Functions to handle functions.
|
|
*/
|
|
E_FUNC char *name_newerrorstr(int errnum);
|
|
E_FUNC FUNC *findfunc(long index);
|
|
E_FUNC char *namefunc(long index);
|
|
E_FUNC bool evaluate(bool nestflag);
|
|
E_FUNC long adduserfunc(char *name);
|
|
E_FUNC void rmuserfunc(char *name);
|
|
E_FUNC void rmalluserfunc(void);
|
|
E_FUNC long getuserfunc(char *name);
|
|
E_FUNC void beginfunc(char *name, bool newflag);
|
|
E_FUNC int builtinopcode(long index);
|
|
E_FUNC char *builtinname(long index);
|
|
E_FUNC int dumpop(unsigned long *pc);
|
|
E_FUNC void addop(long op);
|
|
E_FUNC void endfunc(void);
|
|
E_FUNC void addopone(long op, long arg);
|
|
E_FUNC void addoptwo(long op, long arg1, long arg2);
|
|
E_FUNC void addoplabel(long op, LABEL *label);
|
|
E_FUNC void addopptr(long op, char *ptr);
|
|
E_FUNC void writeindexop(void);
|
|
E_FUNC void showbuiltins(void);
|
|
E_FUNC int getbuiltinfunc(char *name);
|
|
E_FUNC void builtincheck(long index, int count);
|
|
E_FUNC void addopfunction(long op, long index, int count);
|
|
E_FUNC void showfunctions(void);
|
|
E_FUNC void initfunctions(void);
|
|
E_FUNC void clearopt(void);
|
|
E_FUNC void updateoldvalue(FUNC *fp);
|
|
E_FUNC void calculate(FUNC *fp, int argcount);
|
|
E_FUNC VALUE builtinfunc(long index, int argcount, VALUE *stck);
|
|
E_FUNC void freenumbers(FUNC *);
|
|
E_FUNC void freefunc(FUNC *);
|
|
|
|
|
|
#endif /* !INCLUDE_FUNC_H */
|