lexleo_token.h

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// src/langage/include/lexleo_token.h
 
#ifndef LEXLEO_LEXLEO_TOKEN_H
#define LEXLEO_LEXLEO_TOKEN_H
 
#include "policy/lexleo_cstd_types.h"
 
typedef enum lexleo_token_kind_t {
    LEX_TK_INVALID = 0,
 
    /* punctuation */
    LEX_TK_LBRACE,
    LEX_TK_RBRACE,
    LEX_TK_LPAREN,
    LEX_TK_RPAREN,
 
    /* operators */
    LEX_TK_ADD,
    LEX_TK_SUBTRACT,
    LEX_TK_MULTIPLY,
    LEX_TK_DIVIDE,
 
    /* separators / assignment */
    LEX_TK_SEMICOLON,
    LEX_TK_COMMA,
    LEX_TK_EQUAL,
 
    /* keywords */
    LEX_TK_READ,
    LEX_TK_WRITE,
    LEX_TK_DEFINE,
    LEX_TK_CALL,
    LEX_TK_QUOTE,
    LEX_TK_EVAL,
    LEX_TK_SYMBOL,
    LEX_TK_SET,
    LEX_TK_IF,
    LEX_TK_THEN,
    LEX_TK_ELSE,
    LEX_TK_WHILE,
    LEX_TK_DO,
 
    /* literals / identifiers */
    LEX_TK_INTEGER,
    LEX_TK_STRING,
    LEX_TK_SYMBOL_NAME,
 
    /* end of input */
    LEX_TK_EOF
 
} lexleo_token_kind_t;
 
typedef struct lexleo_token_t {
    lexleo_token_kind_t kind;
    union {
        int int_value;
        char *string_value;
        char *symbol_value;
    } as;
} lexleo_token_t;
 
#endif //LEXLEO_LEXLEO_TOKEN_H