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unstick update && syntax check

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This commit is contained in:
gazhonsepaskwa
2025-02-08 12:37:48 +01:00
parent d3849d196f
commit 373e240e85
6 changed files with 124 additions and 20 deletions
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79
srcs/parsing/syntax.c
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@@ -19,35 +19,96 @@ int only_operator(t_node *head)
return (0);
}
int syntax_err_mess(char *token)
int syntax_err_mess(char *token_base, int selected)
{
ft_fprintf(2, "minishell : syntax error near unexpected token `%s'\n",
token);
char *token;
token = ft_strdup(token_base);
if (selected == 0)
ft_fprintf(2, "minishell : syntax error : unexpected token `%s'\n",
token);
if (selected == 2)
ft_fprintf(2, "minishell : syntax error : unoppened token `%s'\n",
&token[1]);
token[1] = 0;
if (selected == 1)
ft_fprintf(2, "minishell : syntax error : unclosed token `%s'\n",
token);
free(token);
return (1);
}
int unexpected_token(t_node *node)
{
if (!ft_strncmp(node->val, "%", 1) || (!ft_strncmp(node->val, "&", 1)
&& ft_strncmp(node->val, "&&", 2)) || !ft_strncmp(node->val, ";", 1)
|| !ft_strncmp(node->val, "[", 1) || !ft_strncmp(node->val, "]", 1)
|| !ft_strncmp(node->val, "{", 1) || !ft_strncmp(node->val, "}", 1))
if ((!ft_strncmp(node->val, "&", 1) && ft_strncmp(node->val, "&&", 2))
|| !ft_strncmp(node->val, ";", 1) || !ft_strncmp(node->val, "[", 1)
|| !ft_strncmp(node->val, "]", 1) || !ft_strncmp(node->val, "{", 1)
|| !ft_strncmp(node->val, "}", 1))
return (1);
return (0);
}
int check_unclosed(char *c, t_node *node)
{
t_node *cpy;
int count;
cpy = node;
count = 0;
while (cpy)
{
if (!ft_strncmp(&c[0], cpy->val, 1))
count++;
if (!ft_strncmp(&c[1], cpy->val, 1))
count--;
cpy = cpy->next;
}
if (count > 0)
return (1);
if (count < 0)
return (2);
return (0);
}
int check_unclosed_quote(char *c, t_node *node)
{
t_node *cpy;
int count;
int len;
cpy = node;
count = 0;
while (cpy)
{
len = ft_strlen(cpy->val);
if (len > 0 && cpy->val[0] == c[0])
{
if (len == 1 || cpy->val[len - 1] != c[0])
count++;
}
cpy = cpy->next;
}
return (count % 2);
}
int syntax_error(t_node *head)
{
t_node *cpy;
if (only_operator(head))
return (syntax_err_mess(head->val));
return (syntax_err_mess(head->val, 0));
cpy = head;
while (cpy)
{
if (unexpected_token(cpy))
return (syntax_err_mess(cpy->val));
return (syntax_err_mess(cpy->val, 0));
cpy = cpy->next;
}
if (check_unclosed("()", head) != 0)
return (syntax_err_mess("()", check_unclosed("()", head)));
if (check_unclosed_quote("\"", head) != 0)
return (syntax_err_mess("\"\"", 1));
if (check_unclosed_quote("'", head) != 0)
return (syntax_err_mess("'", 1));
return (0);
}