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52 lines
1018 B
C
52 lines
1018 B
C
/*
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abCalcExpr.h
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By: Jeremy Rand
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*/
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#ifndef ABCALCEXPR_H
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#define ABCALCEXPR_H
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typedef enum abCalcExprType {
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abCalcExprTypeMin = 0,
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abCalcExprTypeReal = 0,
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abCalcExprTypeInt,
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abCalcExprTypeMax
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} abCalcExprType;
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typedef double abCalcRealType;
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typedef unsigned long abCalcIntType;
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#define AB_CALC_EXPR_MAX_INT_WIDTH ((sizeof(abCalcIntType) * 8))
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#define AB_CALC_EXPR_STRING_MAX (AB_CALC_EXPR_MAX_INT_WIDTH + 8)
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typedef struct abCalcExpr {
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abCalcExprType type;
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union {
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abCalcRealType real;
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abCalcIntType integer;
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} u;
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} abCalcExpr;
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typedef struct abCalcExprCallbacks {
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abCalcExpr * (*parseExpr)(abCalcExpr *expr, char *buffer);
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char * (*formatExpr)(abCalcExpr *expr, char *buffer);
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} abCalcExprCallbacks;
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void abCalcExprInit(void);
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void abCalcRegisterExprType(abCalcExprType type, abCalcExprCallbacks *callbacks);
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abCalcExpr *abCalcParseExpr(abCalcExpr *expr, char *buffer);
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char *abCalcFormatExpr(abCalcExpr *expr, char *buffer);
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#endif
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