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@@ -1,215 +1,215 @@
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/*
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File: exprpriv.h
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Auth: Brian Allen Vanderburg II
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Date: Tuesday, February 28, 2006
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Desc: Private include file for ExprEval library
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This file is part of ExprEval.
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*/
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/* Include once */
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#ifndef __BAVII_EXPRPRIV_H
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#define __BAVII_EXPRPRIV_H
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/* Need some definitions, NULL, etc */
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#include <stddef.h>
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/* Include config and main expreval header */
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#include "expreval.h"
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#include "exprconf.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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Version number
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*/
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#define EXPR_VERSIONMAJOR 2
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#define EXPR_VERSIONMINOR 7
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/* Node types */
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enum
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{
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EXPR_NODETYPE_UNKNOWN = 0,
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EXPR_NODETYPE_MULTI,
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EXPR_NODETYPE_ADD,
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EXPR_NODETYPE_SUBTRACT,
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EXPR_NODETYPE_MULTIPLY,
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EXPR_NODETYPE_DIVIDE,
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EXPR_NODETYPE_EXPONENT,
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EXPR_NODETYPE_NEGATE,
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EXPR_NODETYPE_VALUE,
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EXPR_NODETYPE_VARIABLE,
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EXPR_NODETYPE_ASSIGN,
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EXPR_NODETYPE_FUNCTION
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};
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/* Functions can be evaluated directly in EXPREVAL. If fptr
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is NULL, type is used to determine what the function is */
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enum
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{
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EXPR_NODEFUNC_UNKNOWN = 0,
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EXPR_NODEFUNC_ABS,
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EXPR_NODEFUNC_MOD,
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EXPR_NODEFUNC_IPART,
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EXPR_NODEFUNC_FPART,
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EXPR_NODEFUNC_MIN,
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EXPR_NODEFUNC_MAX,
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EXPR_NODEFUNC_POW,
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EXPR_NODEFUNC_SQRT,
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EXPR_NODEFUNC_SIN,
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EXPR_NODEFUNC_SINH,
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EXPR_NODEFUNC_ASIN,
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EXPR_NODEFUNC_COS,
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EXPR_NODEFUNC_COSH,
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EXPR_NODEFUNC_ACOS,
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EXPR_NODEFUNC_TAN,
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EXPR_NODEFUNC_TANH,
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EXPR_NODEFUNC_ATAN,
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EXPR_NODEFUNC_ATAN2,
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EXPR_NODEFUNC_LOG,
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EXPR_NODEFUNC_POW10,
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EXPR_NODEFUNC_LN,
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EXPR_NODEFUNC_EXP,
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EXPR_NODEFUNC_LOGN,
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EXPR_NODEFUNC_CEIL,
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EXPR_NODEFUNC_FLOOR,
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EXPR_NODEFUNC_RAND,
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EXPR_NODEFUNC_RANDOM,
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EXPR_NODEFUNC_RANDOMIZE,
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EXPR_NODEFUNC_DEG,
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EXPR_NODEFUNC_RAD,
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EXPR_NODEFUNC_RECTTOPOLR,
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EXPR_NODEFUNC_RECTTOPOLA,
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EXPR_NODEFUNC_POLTORECTX,
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EXPR_NODEFUNC_POLTORECTY,
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EXPR_NODEFUNC_IF,
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EXPR_NODEFUNC_SELECT,
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EXPR_NODEFUNC_EQUAL,
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EXPR_NODEFUNC_ABOVE,
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EXPR_NODEFUNC_BELOW,
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EXPR_NODEFUNC_AVG,
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EXPR_NODEFUNC_CLIP,
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EXPR_NODEFUNC_CLAMP,
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EXPR_NODEFUNC_PNTCHANGE,
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EXPR_NODEFUNC_POLY,
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EXPR_NODEFUNC_AND,
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EXPR_NODEFUNC_OR,
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EXPR_NODEFUNC_NOT,
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EXPR_NODEFUNC_FOR,
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EXPR_NODEFUNC_MANY
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};
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/* Forward declarations */
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typedef struct _exprFunc exprFunc;
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typedef struct _exprVal exprVal;
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/* Expression object */
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struct _exprObj
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{
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struct _exprFuncList *flist; /* Functions */
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struct _exprValList *vlist; /* Variables */
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struct _exprValList *clist; /* Constants */
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struct _exprNode *headnode; /* Head parsed node */
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exprBreakFuncType breakerfunc; /* Break function type */
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void *userdata; /* User data, can be any 32 bit value */
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int parsedgood; /* non-zero if successfully parsed */
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int parsedbad; /* non-zero if parsed but unsuccessful */
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int breakcount; /* how often to check the breaker function */
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int breakcur; /* do we check the breaker function yet */
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int starterr; /* start position of an error */
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int enderr; /* end position of an error */
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};
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/* Object for a function */
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struct _exprFunc
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{
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char *fname; /* Name of the function */
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exprFuncType fptr; /* Function pointer */
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int min, max; /* Min and max args for the function. */
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int refmin, refmax; /* Min and max ref. variables for the function */
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int type; /* Function node type. exprEvalNOde solves the function */
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struct _exprFunc *next; /* For linked list */
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};
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/* Function list object */
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struct _exprFuncList
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{
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struct _exprFunc *head;
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};
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/* Object for values */
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struct _exprVal
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{
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char *vname; /* Name of the value */
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EXPRTYPE vval; /* Value of the value */
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EXPRTYPE *vptr; /* Pointer to a value. Used only if not NULL */
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struct _exprVal *next; /* For linked list */
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};
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/* Value list */
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struct _exprValList
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{
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struct _exprVal *head;
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};
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/* Expression node type */
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struct _exprNode
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{
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int type; /* Node type */
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union _data /* Union of info for various types */
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{
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struct _oper
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{
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struct _exprNode *nodes; /* Operation arguments */
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int nodecount; /* Number of arguments */
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} oper;
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struct _variable
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{
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EXPRTYPE *vaddr; /* Used if EXPR_FAST_VAR_ACCESS defined */
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} variable;
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struct _value
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{
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EXPRTYPE value; /* Value if type is value */
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} value;
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struct _assign /* Assignment struct */
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{
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EXPRTYPE *vaddr; /* Used if EXPR_FAST_VAR_ACCESS defined */
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struct _exprNode *node; /* Node to evaluate */
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} assign;
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struct _function
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{
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exprFuncType fptr; /* Function pointer */
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struct _exprNode *nodes; /* Array of argument nodes */
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int nodecount; /* Number of argument nodes */
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EXPRTYPE **refs; /* Reference variables */
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int refcount; /* Number of variable references (not a reference counter) */
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int type; /* Type of function for exprEvalNode if fptr is NULL */
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} function;
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} data;
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};
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/* Functions for function lists */
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int exprFuncListAddType(exprFuncList *flist, char *name, int type, int min, int max, int refmin, int refmax);
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int exprFuncListGet(exprFuncList *flist, char *name, exprFuncType *ptr, int *type, int *min, int *max, int *refmin, int *refmax);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __BAVII_EXPRPRIV_H */
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/*
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File: exprpriv.h
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Auth: Brian Allen Vanderburg II
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Date: Tuesday, February 28, 2006
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Desc: Private include file for ExprEval library
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This file is part of ExprEval.
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*/
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/* Include once */
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#ifndef __BAVII_EXPRPRIV_H
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#define __BAVII_EXPRPRIV_H
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/* Need some definitions, NULL, etc */
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#include <stddef.h>
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/* Include config and main expreval header */
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#include "expreval.h"
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#include "exprconf.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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Version number
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*/
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#define EXPR_VERSIONMAJOR 2
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#define EXPR_VERSIONMINOR 7
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/* Node types */
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enum
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{
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EXPR_NODETYPE_UNKNOWN = 0,
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EXPR_NODETYPE_MULTI,
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EXPR_NODETYPE_ADD,
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EXPR_NODETYPE_SUBTRACT,
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EXPR_NODETYPE_MULTIPLY,
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EXPR_NODETYPE_DIVIDE,
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EXPR_NODETYPE_EXPONENT,
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EXPR_NODETYPE_NEGATE,
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EXPR_NODETYPE_VALUE,
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EXPR_NODETYPE_VARIABLE,
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EXPR_NODETYPE_ASSIGN,
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EXPR_NODETYPE_FUNCTION
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};
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/* Functions can be evaluated directly in EXPREVAL. If fptr
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is NULL, type is used to determine what the function is */
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enum
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{
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EXPR_NODEFUNC_UNKNOWN = 0,
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EXPR_NODEFUNC_ABS,
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EXPR_NODEFUNC_MOD,
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EXPR_NODEFUNC_IPART,
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EXPR_NODEFUNC_FPART,
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EXPR_NODEFUNC_MIN,
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EXPR_NODEFUNC_MAX,
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EXPR_NODEFUNC_POW,
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EXPR_NODEFUNC_SQRT,
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EXPR_NODEFUNC_SIN,
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EXPR_NODEFUNC_SINH,
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EXPR_NODEFUNC_ASIN,
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EXPR_NODEFUNC_COS,
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EXPR_NODEFUNC_COSH,
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EXPR_NODEFUNC_ACOS,
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EXPR_NODEFUNC_TAN,
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EXPR_NODEFUNC_TANH,
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EXPR_NODEFUNC_ATAN,
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EXPR_NODEFUNC_ATAN2,
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EXPR_NODEFUNC_LOG,
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EXPR_NODEFUNC_POW10,
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EXPR_NODEFUNC_LN,
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EXPR_NODEFUNC_EXP,
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EXPR_NODEFUNC_LOGN,
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EXPR_NODEFUNC_CEIL,
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EXPR_NODEFUNC_FLOOR,
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EXPR_NODEFUNC_RAND,
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EXPR_NODEFUNC_RANDOM,
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EXPR_NODEFUNC_RANDOMIZE,
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EXPR_NODEFUNC_DEG,
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EXPR_NODEFUNC_RAD,
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EXPR_NODEFUNC_RECTTOPOLR,
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EXPR_NODEFUNC_RECTTOPOLA,
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EXPR_NODEFUNC_POLTORECTX,
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EXPR_NODEFUNC_POLTORECTY,
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EXPR_NODEFUNC_IF,
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EXPR_NODEFUNC_SELECT,
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EXPR_NODEFUNC_EQUAL,
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EXPR_NODEFUNC_ABOVE,
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EXPR_NODEFUNC_BELOW,
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EXPR_NODEFUNC_AVG,
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EXPR_NODEFUNC_CLIP,
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EXPR_NODEFUNC_CLAMP,
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EXPR_NODEFUNC_PNTCHANGE,
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EXPR_NODEFUNC_POLY,
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EXPR_NODEFUNC_AND,
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EXPR_NODEFUNC_OR,
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EXPR_NODEFUNC_NOT,
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EXPR_NODEFUNC_FOR,
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EXPR_NODEFUNC_MANY
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};
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/* Forward declarations */
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typedef struct _exprFunc exprFunc;
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typedef struct _exprVal exprVal;
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/* Expression object */
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struct _exprObj
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{
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struct _exprFuncList *flist; /* Functions */
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struct _exprValList *vlist; /* Variables */
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struct _exprValList *clist; /* Constants */
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struct _exprNode *headnode; /* Head parsed node */
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exprBreakFuncType breakerfunc; /* Break function type */
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void *userdata; /* User data, can be any 32 bit value */
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int parsedgood; /* non-zero if successfully parsed */
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int parsedbad; /* non-zero if parsed but unsuccessful */
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int breakcount; /* how often to check the breaker function */
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int breakcur; /* do we check the breaker function yet */
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int starterr; /* start position of an error */
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int enderr; /* end position of an error */
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};
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/* Object for a function */
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struct _exprFunc
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{
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char *fname; /* Name of the function */
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exprFuncType fptr; /* Function pointer */
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int min, max; /* Min and max args for the function. */
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int refmin, refmax; /* Min and max ref. variables for the function */
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int type; /* Function node type. exprEvalNOde solves the function */
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struct _exprFunc *next; /* For linked list */
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};
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/* Function list object */
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struct _exprFuncList
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{
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struct _exprFunc *head;
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};
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/* Object for values */
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struct _exprVal
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{
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char *vname; /* Name of the value */
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EXPRTYPE vval; /* Value of the value */
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EXPRTYPE *vptr; /* Pointer to a value. Used only if not NULL */
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struct _exprVal *next; /* For linked list */
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};
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/* Value list */
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struct _exprValList
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{
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struct _exprVal *head;
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};
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/* Expression node type */
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struct _exprNode
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{
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int type; /* Node type */
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union _data /* Union of info for various types */
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{
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struct _oper
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{
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struct _exprNode *nodes; /* Operation arguments */
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int nodecount; /* Number of arguments */
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} oper;
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struct _variable
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{
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EXPRTYPE *vaddr; /* Used if EXPR_FAST_VAR_ACCESS defined */
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} variable;
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struct _value
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{
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EXPRTYPE value; /* Value if type is value */
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} value;
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struct _assign /* Assignment struct */
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{
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EXPRTYPE *vaddr; /* Used if EXPR_FAST_VAR_ACCESS defined */
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struct _exprNode *node; /* Node to evaluate */
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} assign;
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struct _function
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{
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exprFuncType fptr; /* Function pointer */
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struct _exprNode *nodes; /* Array of argument nodes */
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int nodecount; /* Number of argument nodes */
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EXPRTYPE **refs; /* Reference variables */
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int refcount; /* Number of variable references (not a reference counter) */
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int type; /* Type of function for exprEvalNode if fptr is NULL */
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} function;
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} data;
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};
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/* Functions for function lists */
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int exprFuncListAddType(exprFuncList *flist, char *name, int type, int min, int max, int refmin, int refmax);
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int exprFuncListGet(exprFuncList *flist, char *name, exprFuncType *ptr, int *type, int *min, int *max, int *refmin, int *refmax);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __BAVII_EXPRPRIV_H */
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