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refactor: parsing tokens is now less bulky

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This commit is contained in:
Quinten Mennen 2025-02-18 17:03:11 +01:00
parent c368cf80ea
commit adee957c2d
2 changed files with 65 additions and 35 deletions
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16
src/lexer/lexer_token_next.c
View File

@ -6,7 +6,7 @@
/* By: qmennen <qmennen@student.codam.nl> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2025/02/04 16:07:58 by qmennen #+# #+# */
/* Updated: 2025/02/05 19:25:35 by qmennen ### ########.fr */
/* Updated: 2025/02/18 17:02:17 by qmennen ### ########.fr */
/* */
/* ************************************************************************** */
@ -39,22 +39,22 @@ t_token *ft_token_next(t_lexer *lexer)
token = NULL;
while (ft_isspace(lexer->current_char))
ft_lexer_readchar(lexer);
lexer_readchar(lexer);
current_pos = lexer->pos;
if (lexer->current_char == '\0')
token = ft_token_new(T_EOF, NULL, current_pos);
token = token_new(T_EOF, NULL, current_pos);
else if (lexer->current_char == '<' || lexer->current_char == '>'
|| lexer->current_char == '|')
token = ft_parse_token(lexer);
token = token_parse(lexer);
else if (ft_isprint(lexer->current_char))
{
word = ft_lexer_readword(lexer);
word = lexer_readword(lexer);
if (!word)
return (ft_token_new(T_ERROR, &lexer->current_char, current_pos));
token = ft_token_new(T_WORD, word, current_pos);
return (token_new(T_ERROR, &lexer->current_char, current_pos));
token = token_new(T_WORD, word, current_pos);
free(word);
}
else
token = ft_token_new(T_ERROR, NULL, current_pos);
token = token_new(T_ERROR, NULL, current_pos);
return (token);
}

78
src/token/token_parse.c
View File

@ -6,39 +6,69 @@
/* By: qmennen <qmennen@student.codam.nl> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2025/02/05 19:10:17 by qmennen #+# #+# */
/* Updated: 2025/02/11 17:38:51 by qmennen ### ########.fr */
/* Updated: 2025/02/18 17:02:17 by qmennen ### ########.fr */
/* */
/* ************************************************************************** */
#include "minishell.h"
t_token *ft_parse_token(t_lexer *lexer)
static t_token_type token_from_char(char c, int is_double)
{
t_token *token;
if (c == '<')
{
if (is_double)
return (T_HEREDOC);
return (T_REDIRECT_IN);
}
else if (c == '>')
{
if (is_double)
return (T_APPEND_OUT);
return (T_REDIRECT_OUT);
}
else if (c == '&' && is_double)
return (T_AND);
else if (c == '|')
{
if (is_double)
return (T_OR);
return (T_PIPE);
}
return (T_ERROR);
}
token = NULL;
if (lexer->current_char == '|')
static char *char_from_type(t_token_type type)
{
token = ft_token_new(T_PIPE, "|", lexer->pos);
if (type == T_HEREDOC)
return ("<<");
else if (type == T_REDIRECT_IN)
return ("<");
else if (type == T_APPEND_OUT)
return (">>");
else if (type == T_REDIRECT_OUT)
return (">");
else if (type == T_AND)
return ("&&");
else if (type == T_OR)
return ("||");
else if (type == T_PIPE)
return ("|");
return (NULL);
}
else if (lexer->current_char == '<' && lexer->input[lexer->pos + 1] == '<')
t_token *token_parse(t_lexer *lexer)
{
token = ft_token_new(T_HEREDOC, "<<", lexer->pos);
ft_lexer_readchar(lexer);
}
else if (lexer->current_char == '<')
{
token = ft_token_new(T_REDIRECT_IN, "<", lexer->pos);
}
else if (lexer->current_char == '>' && lexer->input[lexer->pos + 1] == '>')
{
token = ft_token_new(T_APPEND_OUT, ">>", lexer->pos);
ft_lexer_readchar(lexer);
}
else if (lexer->current_char == '>')
{
token = ft_token_new(T_REDIRECT_OUT, ">", lexer->pos);
}
ft_lexer_readchar(lexer);
int is_double;
char c;
t_token *token;
t_token_type type;
c = lexer->current_char;
is_double = lexer->input[lexer->pos + 1] == c;
type = token_from_char(c, is_double);
token = token_new(type, char_from_type(type), lexer->pos);
if (is_double)
lexer_readchar(lexer);
lexer_readchar(lexer);
return (token);
}