ast start

This commit is contained in:
Nathan Lebrun
2025-01-29 15:51:59 +01:00
parent 8320ea9050
commit 94e2f26112
4 changed files with 101 additions and 49 deletions

BIN
parser

Binary file not shown.

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@@ -47,56 +47,105 @@ void setup_cmd(t_ast_n *node, char *cmd, char *args)
node->args = ft_split(args, " ");
}
int last_tok_subsh(t_node *lst)
{
while (lst)
{
if (lst->next == NULL && !ft_strncmp(lst->val, ")", 1))
return (1);
lst = lst->next;
}
return (0);
}
t_node *find_token(char *tok, t_node *lst)
{
while (lst)
{
if (!ft_strncmp(lst->val, tok, ft_strlen(tok)))
return (lst);
lst = lst->next;
}
return (NULL);
}
t_node *get_top_token(t_node *lst, t_state *state)
{
*state = _SUBSH;
if (!ft_strncmp(lst->val, "(", 1) && last_tok_subsh(lst))
return (lst);
else if (find_token("&&", lst))
{
*state = _AND;
return (find_token("&&", lst));
}
else if (find_token("||", lst))
{
*state = _OR;
return (find_token("||", lst));
}
else if (find_token("|", lst))
{
*state = _PLINE;
return (find_token("|", lst));
}
else
{
*state = UNDEF;
return (NULL);
}
}
/*t_ast_n create_ast_n(t_node *lst, t_ast_n *parent);*/
/*void create_and_or(t_ast_n *parrent, t_node *lst, t_node *token)*/
/*{*/
/* t_node **sublsts;*/
/**/
/*sublsts = cutll(lst, token);*/
/* parrent->left = create_ast_n(sublsts[0], parrent);*/
/* parrent->left = create_ast_n(sublsts[1], parrent);*/
/* free_lltab(sublsts);*/
/* free(token);*/
/*}*/
/*void create_cmd(t_ast_n *parent, t_node *lst, t_node *token)*/
/*{*/
/*}*/
/*void create_pline(t_ast_n *parent, t_node *lst, t_node *token)*/
/*{*/
/*}*/
t_ast_n *create_ast_n(t_node *lst, t_ast_n *parent)
{
t_ast_n *node;
t_node *token;
node = malloc(sizeof(t_ast_n));
token = get_top_token(lst, &node->state);
(void)token;
(void)parent;
/*if (node->state == _PLINE)*/
/*create_pline(node, lst, token);*/
/*else if (node->state == _CMD)*/
/*create_cmd(node, lst, token);*/
/*else if (node->state == _SUBSH)*/
/*create_subsh(node, lst, token);*/
/*else*/
/*create_and_or(node, lst, token);*/
return (node);
}
t_ast_n *get_ast(char **envp, t_node *lst)
{
t_ast_n *head;
(void)lst;
// head
head = created_ast_n(_AND, NULL, NULL);
head->env = init_env(envp);
// left
head->left = created_ast_n(_AND, head, head);
// left
head->left->left = created_ast_n(_CMD, head->left, head);
setup_cmd(head->left->left, "echo", "echo coucou");
//
// right
head->left->right = created_ast_n(_OR, head->left, head);
//
// left
head->left->right->left = created_ast_n(_CMD, head->left->right, head);
setup_cmd(head->left->right->left, "echo", "echo coucou");
// right
head->left->right->right = created_ast_n(_CMD, head->left->right, head);
setup_cmd(head->left->right->right, "echo", "echo coucou");
// right
head->right = created_ast_n(_PLINE, head, head);
head->right->pline = malloc(sizeof(t_ast_n *) * 4);
// ===0===
head->right->pline[0] = created_ast_n(_CMD, head->right, head);
setup_cmd(head->right->pline[0], "ls", "ls");
// ===1===
head->right->pline[1] = created_ast_n(_AND, head->right, head);
// left
head->right->pline[1]->left = created_ast_n(_CMD, head->right->pline[1], head);
setup_cmd(head->right->pline[1]->left, "echo", "echo coucou");
// right
head->right->pline[1]->right = created_ast_n(_CMD, head->right->pline[1], head);
setup_cmd(head->right->pline[1]->right, "echo", "echo coucou");
// ===2===
head->right->pline[2] = created_ast_n(_CMD, head->right, head);
setup_cmd(head->right->pline[2], "cat", "cat -e");
// ===NULL===
head->right->pline[3] = NULL;
t_ast_n *head;
(void)envp;
head = create_ast_n(lst, NULL);
return (head);
}

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@@ -23,7 +23,8 @@ typedef enum e_state
_AND,
_OR,
_CMD,
_PLINE
_PLINE,
_SUBSH
} t_state;
typedef enum e_redir

View File

@@ -24,6 +24,8 @@ const char *translate_state(t_state state)
out = "CMD_PIPELINE";
else if (state == _CMD)
out = "SIMPLE_CMD";
else if (state == _SUBSH)
out = "SUBSHELL";
else
out = "UNDEFINED";
return (out);