69 lines
1.6 KiB
C
69 lines
1.6 KiB
C
#ifndef SCANNER_H
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#define SCANNER_H
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#include <sys/types.h>
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#include <stdbool.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef enum {
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EMPTY
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#ifndef __cplusplus
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, STRING, FLOAT, INT, OPERATOR, LIDENT, FIDENT, LOCATION, EEK
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#endif
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} Type;
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extern const char *Type_Name[];
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typedef enum { PLUS, MINUS, MUL, DIV, OP, CP, COMMA, LT, LE, GE, GT, ISEQUAL, ABOUTEQ, NE, POW, MOD } Operator;
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typedef int Location[3]; /* NOTE: Locations are passed by REFERENCE not value */
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/* I.e., to accapt a Location argument, declare the parameter to be of type
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const Location*
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*/
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typedef enum { X=0, Y=1, Z=2, HYPER} Dimensions;
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#define OLOCATION(loc) ((void)memset(loc, 0, sizeof(Location)))
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#define IN_OCTANT(loc) (loc[X]>=0 && loc[Y]>=0 && loc[Z]>=0)
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#define LOCATION_GETS(la,lb) ((void)memcpy(la, lb, sizeof(Location)))
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#define SAME_LOC(la,lb) (memcmp(la,lb,sizeof(Location))==0)
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#define LOCATION_SUB(la,lb) (la)[X]-=(lb)[X]; (la)[Y]-=(lb)[Y]; (la)[Z]-=(lb)[Z];
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bool loc_in_box(const Location test,
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const Location b, const Location c);
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typedef struct
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{
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Type type;
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union
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{
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char *string;
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double flt;
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long integer;
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Operator op;
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char *lident;
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int fident;
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Location location;
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char *err;
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} u;
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} Token;
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#define NULLTOKEN ((Token*)0)
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#define EMPTY_TVEC ((Token**)0)
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int identcode(const char *s, size_t len);
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Token **scan(const char **s);
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size_t printtok(char* dest, size_t size, size_t field_width,
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int quote_strings, int use_scientific,
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int precision, int verbose_error, Token *tok);
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void print(char *s, size_t size, size_t chars, int quote, int scientific, int precision, Token **n);
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#ifdef __cplusplus
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}
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#endif
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#endif
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