123 lines
4.2 KiB
C
123 lines
4.2 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* yard_cmd.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2024/10/09 12:44:53 by maiboyer #+# #+# */
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/* Updated: 2024/10/12 17:51:57 by rparodi ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "ast/ast.h"
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#include "me/str/str.h"
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#include "me/string/string.h"
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#include "me/types.h"
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#include "me/vec/vec_ast.h"
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#include "me/vec/vec_token.h"
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#include "parser/token.h"
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t_error handle_tok_word_inner(t_token *tok, t_ast_node *out);
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t_error _tok_word(t_token *tok, t_ast_node *out);
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t_const_str _token_to_string(t_token *arg, bool dollar_exp);
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t_error handle_tok_word(t_ast_node cmd, t_token *tok);
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static bool _is_carret(enum e_token type)
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{
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return (type == TOK_DLCARRET || type == TOK_DRCARRET || type == TOK_LCARRET
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|| type == TOK_RCARRET);
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}
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static t_error _create_ast_redir(enum e_token ty, t_ast_node *out)
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{
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t_ast_node ret;
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ret = NULL;
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if (ty == TOK_DLCARRET)
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{
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ret = ast_alloc(AST_HEREDOC_REDIRECTION);
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ret->data.heredoc_redirection.op = AST_REDIR_HEREDOC;
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}
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else if (ty == TOK_RCARRET || ty == TOK_LCARRET || ty == TOK_DRCARRET)
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ret = ast_alloc(AST_FILE_REDIRECTION);
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else
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return (ERROR);
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if (ty == TOK_DRCARRET)
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ret->data.file_redirection.op = AST_REDIR_APPEND;
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else if (ty == TOK_LCARRET)
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ret->data.file_redirection.op = AST_REDIR_INPUT;
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else if (ty == TOK_DRCARRET)
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ret->data.file_redirection.op = AST_REDIR_OUTPUT;
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return (*out = ret, NO_ERROR);
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}
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static t_error _ast_set_redir_arg(t_ast_node node, t_token *arg)
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{
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if (node == NULL || arg == NULL || (node->kind != AST_HEREDOC_REDIRECTION
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&& node->kind != AST_FILE_REDIRECTION))
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return (ERROR);
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if (node->kind == AST_HEREDOC_REDIRECTION)
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node->data.heredoc_redirection.delimiter = (t_str)_token_to_string(arg,
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true);
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else if (handle_tok_word_inner(arg, &node->data.file_redirection.output))
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return (ERROR);
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return (NO_ERROR);
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}
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t_error handle_tok_redir(t_ast_node cmd, t_token *tok)
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{
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t_ast_node redir;
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if (cmd == NULL || tok == NULL || tok->type != TOK_REDIR
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|| cmd->kind != AST_COMMAND)
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return (ERROR);
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if (!(tok->subtokens.len == 2 && _is_carret(tok->subtokens.buffer[0].type)
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&& tok->subtokens.buffer[1].type == TOK_WORD))
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return (ERROR);
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if (_create_ast_redir(tok->subtokens.buffer[0].type, &redir))
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return (ERROR);
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if (_ast_set_redir_arg(redir, &tok->subtokens.buffer[1]))
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return (ast_free(redir), ERROR);
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vec_ast_push(&cmd->data.command.prefixes, redir);
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return (NO_ERROR);
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}
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/// la fonction doit prendre une t_token de type TOK_CMD qui contient que
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/// deux type de subtokens TOK_WORD ou TOK_REDIR
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/// un TOK_WORD == un arguemnt
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/// un TOK_REDIR == une redirection
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/// les deux sont dans le bonne ordre.
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/// il faut push les TOK_REDIR dans ast_node->data.command.prefix;
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/// let TOK_WORD dans ast_node->data.command.arguements;
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/// les noms peuvent etre different idk
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/// a terme la fonction utilisera t_error et tt;
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/// struct s_ast_command `ast/include/ast/_raw_structs.h`
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t_error ast_from_cmd(t_token tok, t_vec_ast *output_queue)
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{
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t_ast_node ret;
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t_usize i;
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if (tok.type != TOK_CMD)
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return (ERROR);
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ret = ast_alloc(AST_COMMAND);
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i = 0;
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while (i < tok.subtokens.len)
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{
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if (tok.subtokens.buffer[i].type == TOK_REDIR)
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{
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if (handle_tok_redir(ret, &tok.subtokens.buffer[i]))
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return (ast_free(ret), ERROR);
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}
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else if (tok.subtokens.buffer[i].type == TOK_WORD)
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{
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if (handle_tok_word(ret, &tok.subtokens.buffer[i]))
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return (ast_free(ret), ERROR);
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}
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else
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return (ast_free(ret), ERROR);
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i++;
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}
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token_free(tok);
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return (vec_ast_push(output_queue, ret), NO_ERROR);
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}
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