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aal/asm/lexer.h
Aryadev Chavali 75dc36cd19 Lexer now returns errors on failure
Currently only for invalid character literals, but still a possible
problem.
2023-10-31 20:39:26 +00:00

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972 B
C

/* Copyright (C) 2023 Aryadev Chavali
* You may distribute and modify this code under the terms of the
* GPLv2 license. You should have received a copy of the GPLv2
* license with this file. If not, please write to:
* aryadev@aryadevchavali.com.
* Created: 2023-10-24
* Author: Aryadev Chavali
* Description: Lexer for assembly language
*/
#ifndef LEXER_H
#define LEXER_H
#include <lib/darr.h>
typedef enum TokenType
{
TOKEN_LITERAL_NUMBER,
TOKEN_LITERAL_CHAR,
TOKEN_SYMBOL,
} token_type_t;
typedef struct
{
token_type_t type;
size_t column, line;
char *str;
size_t str_size;
} token_t;
typedef enum
{
LERR_OK = 0,
LERR_INVALID_CHAR_LITERAL,
} lerr_t;
const char *lerr_as_cstr(lerr_t);
typedef darr_t buffer_t;
typedef darr_t token_stream_t;
#define TOKEN_STREAM_AT(STREAM_DATA, INDEX) (((token_t *)(STREAM_DATA))[INDEX])
const char *token_type_as_cstr(token_type_t type);
lerr_t tokenise_buffer(buffer_t *, token_stream_t *);
#endif