95 lines
2.6 KiB
C
95 lines
2.6 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* main.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: jhalford <jhalford@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2016/12/06 18:40:58 by jhalford #+# #+# */
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/* Updated: 2017/02/10 00:36:05 by jhalford ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "minishell.h"
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int non_interactive_shell(char *command)
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{
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t_list *token;
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t_lexer lexer;
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t_btree *ast;
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lexer.pos = 0;
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lexer.state = DEFAULT;
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lexer.str = command;
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lexer.stack = NULL;
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token = NULL;
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ast = NULL;
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while (lexer.str[lexer.pos])
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{
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if (lexer.stack && *(int*)lexer.stack->content == BACKSLASH)
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pop(&lexer.stack);
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do {
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lexer_lex(&token, &lexer);
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} while (lexer.str[lexer.pos] == '\n');
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if (bquotes_expand(&token))
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return (1);
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token_print(token);
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if (ft_parse(&ast, &token))
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return (1);
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if (ft_exec(&ast))
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return (1);
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}
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return (0);
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}
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int interactive_shell()
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{
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t_list *token;
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t_list *ltoken;
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t_lexer lexer;
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t_btree *ast;
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lexer.pos = 0;
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lexer.state = DEFAULT;
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lexer.str = NULL;
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token = NULL;
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lexer.stack = NULL;
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ast = NULL;
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do {
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if (lexer.stack && *(int*)lexer.stack->content == BACKSLASH)
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pop(&lexer.stack);
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ft_strappend(&lexer.str, readline(stack_to_prompt(lexer.stack)));
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ltoken = ft_lstlast(token);
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lexer_lex((token ? <oken : &token), &lexer);
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DG("[{mag}%s{eoc}] stack=[%i] state=[%i]", lexer.str, lexer.stack ? *(int*)lexer.stack->content : 0, lexer.state);
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token_print(token);
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} while (lexer.stack);
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if (!token)
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return (0);
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if (bquotes_expand(&token))
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return (1);
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token_print(token);
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if (ft_parse(&ast, &token))
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return (1);
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btree_print(STDBUG, ast, &ft_putast);
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if (ft_exec(&ast))
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return (1);
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return (0);
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}
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int main(int ac, char **av)
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{
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t_data *data;
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data = data_singleton();
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setlocale(LC_ALL, "");
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shell_init(ac, av);
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DG("{inv}{bol}{gre}start of shell{eoc} pid=%i pgrp=%i job_control is %s", getpid(), getpgrp(), SH_HAS_JOBC(data->opts) ? "ON" : "OFF");
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if (SH_IS_INTERACTIVE(data->opts))
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{
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while (1)
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interactive_shell();
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}
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else
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non_interactive_shell(shell_get_avdata());
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return (0);
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}
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