105 lines
3.4 KiB
C
105 lines
3.4 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* parsing.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: lperrey <lperrey@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2021/10/24 10:52:40 by lperrey #+# #+# */
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/* Updated: 2021/11/07 04:37:30 by lperrey ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "minishell.h"
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// HUGO WIP
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void handle_argv(t_token *token, t_cmd **cmd, size_t cmd_nbr);
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void handle_path(t_cmd **cmd_arr, char **envp);
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void handle_fd(t_token *token, t_cmd **cmd_arr);
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void fd_heredoc(t_token *token, t_cmd *cmd);
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void fd_redirection(t_token *token, t_cmd *cmd);
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void find_path(char **argv, char **envp);
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int handle_builtin(t_cmd *cmd);
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int fill_builtin(t_cmd *cmd, int (*builtin)(int, char **, t_all *));
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int next_cmd(t_token *token);
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int is_redirection(enum e_token_id id);
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// HUGO WIP
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t_cmd **parsing(t_token *token_list)
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{
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t_cmd **cmd_arr;
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if (!valid_syntax(token_list))
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return (NULL);
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// Struct CMD alloc
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cmd_arr = alloc_cmd_array(count_pipes(token_list) + 1);
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if (!cmd_arr)
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return (NULL);
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// 2.9.1 - 2) Expansion
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words_expansions(token_list);
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// 2.9.1 - 3) Redirection
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// Struct CMD fill
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// HUGO WIP
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// cmd_expansion(cmd_arr, envp);
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// handle_argv(token_list, cmd_arr, cmd_nbr);
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// handle_path(cmd_arr, envp);
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// handle_fd(token_list, cmd_arr);
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return (cmd_arr);
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}
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/* -------------------------------------------------------
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The grammar symbols
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------------------------------------------------------- */
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/*
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%token WORD
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%token LESS // '<'
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%token GREAT // '>'
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%token DLESS // '<<'
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%token DGREAT // '>>'
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%token PIPE // '|'
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*/
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/* -------------------------------------------------------
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The Simplified Grammar
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------------------------------------------------------- */
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/*
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%start program
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%%
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pipeline : command
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| pipeline '|' command
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;
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command : cmd_prefix cmd_name cmd_suffix
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| cmd_prefix cmd_name
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| cmd_name cmd_suffix
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| cmd_name
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;
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cmd_name : WORD // Apply rule 7a
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;
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cmd_prefix : io_redirect
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| cmd_prefix io_redirect
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;
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cmd_suffix : io_redirect
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| cmd_suffix io_redirect
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| WORD
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| cmd_suffix WORD
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;
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io_redirect : io_file
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| io_here
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;
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io_file : '<' filename
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| '>' filename
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| DGREAT filename
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;
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filename : WORD // Apply rule 2
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;
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io_here : DLESS here_end
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;
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here_end : WORD // Apply rule 3
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;
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*/
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