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/*
This file is part of the FElt finite element analysis package.
Copyright (C) 1993-2000 Jason I. Gobat and Darren C. Atkinson
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 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/************************************************************************
* File: code.h *
* *
* Description: This file contains the public function and type *
* declarations for the stack machine code. *
************************************************************************/
# ifndef _CODE_H
# define _CODE_H
# include "proto.h"
typedef union instruction *Code;
typedef enum {
JmpOp, /* unconditional jump */
JnzOp, /* jump if not zero */
JzOp, /* jump if zero */
PushOp, /* push value */
PopOp, /* pop top of stack */
CopyOp, /* copy top of stack */
TestOp, /* test top of stack */
NegOp, /* unary negation */
NotOp, /* logical negation */
InvOp, /* bitwise negation */
MulOp, /* multiplication */
DivOp, /* division */
ModOp, /* modulo */
AddOp, /* addition */
SubOp, /* subtraction */
LsftOp, /* left shift */
RsftOp, /* right shift */
LtOp, /* less than */
GtOp, /* greater than */
LteqOp, /* less than or equal */
GteqOp, /* greater than or equal */
EqOp, /* equality */
NeqOp, /* inequality */
AndOp, /* bitwise and */
XorOp, /* bitwise xor */
OrOp, /* bitwise or */
TimeOp, /* current time */
SinOp, /* sin function */
CosOp, /* cos function */
TanOp, /* tan function */
ExpOp, /* exp function */
LnOp, /* log function */
LogOp, /* log10 function */
PowOp, /* pow function */
SqrtOp, /* sqrt function */
HypotOp, /* hypot function */
FloorOp, /* floor function */
CeilOp, /* ceil function */
FmodOp, /* fmod function */
FabsOp, /* fabs function */
TableOp, /* table of values */
CycleOp, /* circular table of values */
HaltOp /* halt execution */
} Opcode;
extern Code InCore;
extern void EmitCode PROTO ((Opcode, ...));
extern Code CopyCode PROTO ((Code));
extern void FreeCode PROTO ((Code));
extern double EvalCode PROTO ((Code, double));
extern void DebugCode PROTO ((Code));
extern int CompileCode PROTO ((char *));
extern int IsConstant PROTO ((Code));
extern void SetIP PROTO ((int));
extern int GetIP PROTO ((void));
extern double exptod PROTO ((char *, char **));
# endif /* _CODE_H */
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