43 lines
767 B
C
43 lines
767 B
C
#ifndef LEXER_H
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#define LEXER_H
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#include "libft.h"
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#include "errors.h"
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#include <stdbool.h>
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typedef enum
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{
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TOKEN_VARIABLE, // x, y, etc.
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TOKEN_NUMBER_INT, // int
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TOKEN_NUMBER_DOUBLE, // double
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TOKEN_POWER, // ^ or **
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TOKEN_SIGN_PLUS, // +
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TOKEN_SIGN_MINUS, // -
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TOKEN_FACTOR_MULT, // *
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TOKEN_FACTOR_DIV, // / or :
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TOKEN_EQUAL, // =
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TOKEN_END // null (end of input)
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} token_type;
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typedef enum
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{
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TOKEN_NO_TAG,
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TOKEN_NUMBER,
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TOKEN_SIGN,
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TOKEN_FACTOR,
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} token_tag;
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typedef struct
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{
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token_type type;
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token_tag tag;
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union
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{
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char value_char;
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double value_double;
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};
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} token;
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int lexerize(const char *input, token *tokens);
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#endif |