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-rw-r--r--README.md16
-rw-r--r--include/ast.h8
-rw-r--r--include/eval.h30
m---------minishell_test0
-rw-r--r--src/debug.c4
-rw-r--r--src/eval/cmd.c3
-rw-r--r--src/eval/op.c46
-rw-r--r--src/main.c14
8 files changed, 72 insertions, 49 deletions
diff --git a/README.md b/README.md
index 1737adb..a7bab3f 100644
--- a/README.md
+++ b/README.md
@@ -20,18 +20,18 @@ You can then read the man pages in ./doc/man or open ./doc/html/index.html in yo
- [ ] Show a prompt when waiting for a new command
- [x] Search and launch the right executable (based on the *PATH* variable or by using relative or absolute path) like in bash
- [ ] It must implement the builtins like in bash:
- - [ ] `echo` with option `-n`
+ - [x] `echo` with option `-n`
- [ ] `cd` without `-` option
- [ ] `pwd` without any options
- [ ] `export` without any options
- [ ] `unset` without any options
- [ ] `env` without any options and any arguments
- [ ] `exit` without any options
-- [ ] `;` in the command should separate commands like in bash
-- [ ] `'` and `"` should work like in bash except for multiline commands
+- [x] `;` in the command should separate commands like in bash
+- [x] `'` and `"` should work like in bash except for multiline commands
- [ ] Redirections `<` `>` `>>` should work like in bash except for file descriptor aggregation
- [ ] Pipes | should work like in bash
-- [ ] Environment variables (`$` followed by characters) should work like in bash
+- [x] Environment variables (`$` followed by characters) should work like in bash
- [ ] `$?` should work like in bash
- [ ] `ctrl-C`, `ctrl-D` and `ctrl-\` should have the same result as in bash
@@ -40,11 +40,13 @@ You can then read the man pages in ./doc/man or open ./doc/html/index.html in yo
- [ ] Redirection `<<` like in bash
- [ ] History and line editing with Termcaps (`man tgetent` for examples)
- [ ] Edit the line where the cursor is located.
- - [ ] Move the cursor left and right to be able to edit the line at a specific location. Obviously new characters have to be inserted between the existing ones similarly to a classic shell.
+ - [ ] Move the cursor left and right to be able to edit the line at a specific location.
+ Obviously new characters have to be inserted between the existing ones similarly to a classic shell.
- [ ] Use up and down arrows to navigate through the command history which we will then be able to edit if we feel like it (the line, not the history).
- [ ] Cut, copy, and/or paste all or part of a line using the key sequence you prefer.
- [ ] Move directly by word towards the left or the right using ctrl+LEFT and ctrl+RIGHT.
- [ ] Go directly to the beginning or the end of a line by pressing `home` and `end`.
- - [ ] Write AND edit a command over a few lines. In that case, we would love that ctrl+UP and ctrl+DOWN allow to go from one line to another in the command while remaining in the same column or otherwise the most appropriate column.
+ - [ ] Write AND edit a command over a few lines. In that case, we would love that ctrl+UP and ctrl+DOWN allow
+ to go from one line to another in the command while remaining in the same column or otherwise the most appropriate column.
- [ ] &&, || with parenthesis for priorities, like in bash
-- [ ] wilcard * like in bash
+- [x] wilcard * like in bash
diff --git a/include/ast.h b/include/ast.h
index 53221fa..18f1d93 100644
--- a/include/ast.h
+++ b/include/ast.h
@@ -6,7 +6,7 @@
/* By: charles <charles@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/04/01 17:05:38 by charles #+# #+# */
-/* Updated: 2020/06/18 13:35:38 by charles ### ########.fr */
+/* Updated: 2020/06/19 10:40:34 by charles ### ########.fr */
/* */
/* ************************************************************************** */
@@ -48,9 +48,9 @@ typedef struct s_op
enum e_ast_tag
{
- AST_CMD,
- AST_OP,
- AST_OP_PARENT,
+ AST_CMD = 1 << 0,
+ AST_OP = 1 << 1,
+ AST_PARENT = 1 << 2,
};
/*
diff --git a/include/eval.h b/include/eval.h
index 60d6f23..97c1ce8 100644
--- a/include/eval.h
+++ b/include/eval.h
@@ -6,7 +6,7 @@
/* By: charles <charles@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/04/01 17:05:30 by charles #+# #+# */
-/* Updated: 2020/06/18 13:38:53 by charles ### ########.fr */
+/* Updated: 2020/06/19 12:18:42 by charles ### ########.fr */
/* */
/* ************************************************************************** */
@@ -22,33 +22,13 @@
# include "lexer.h"
# include "ast.h"
-/*
-** \brief Evaluation state struct
-*/
-
typedef struct
{
t_path path;
t_env env;
-} t_eval_state;
-
-/*
-** \brief Evaluation status struct
-*/
-
-typedef struct s_eval_status
-{
- char *err;
- int status;
-} t_eval_status;
-
-typedef struct
-{
- t_eval_state *state;
- t_op *op;
- int fd_in;
- int fd_out;
-} t_fork_param_op;
+ t_ast *ast;
+ int fds[2];
+} t_fork_param_parent;
typedef struct
{
@@ -66,7 +46,7 @@ typedef struct
** op.c
*/
-int eval_op(int fds[2], t_env env, t_path path, t_op *op);
+int eval_op(int fds[2], t_env env, t_path path, t_ast *ast);
int eval(int fds[2], t_env env, t_path path, t_ast *ast);
enum e_error
diff --git a/minishell_test b/minishell_test
-Subproject d845a683e67a89c699109dab660f6ec0eb74a2c
+Subproject 9ae06d1ada7828f986b8aa1ab9364ac2f9f0cbd
diff --git a/src/debug.c b/src/debug.c
index cde4e4c..dd0919e 100644
--- a/src/debug.c
+++ b/src/debug.c
@@ -38,9 +38,11 @@ void ast_print(int level, t_ast *ast)
}
else
{
- /* print_level(level); */
/* printf("SEP: %d\n", ast->op.sep); */
print_level(level);
+ printf("redirs: [");
+ ft_lstiter(ast->redirs, token_put);
+ printf(" ] ");
printf("{\n");
print_level(level);
diff --git a/src/eval/cmd.c b/src/eval/cmd.c
index f502984..4405cdd 100644
--- a/src/eval/cmd.c
+++ b/src/eval/cmd.c
@@ -6,7 +6,7 @@
/* By: charles <charles.cabergs@gmail.com> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/06/14 10:41:31 by charles #+# #+# */
-/* Updated: 2020/06/17 17:02:07 by charles ### ########.fr */
+/* Updated: 2020/06/19 12:03:13 by charles ### ########.fr */
/* */
/* ************************************************************************** */
@@ -75,6 +75,7 @@ int eval_cmd(int fds[2], t_env env, t_path path, t_ast *ast)
return (-1);
}
+ // can have no command (e.g `< file`)
param.builtin = builtin_search_func(argv[0]);
if (param.builtin == NULL)
{
diff --git a/src/eval/op.c b/src/eval/op.c
index e47698b..b8ad63c 100644
--- a/src/eval/op.c
+++ b/src/eval/op.c
@@ -6,14 +6,13 @@
/* By: charles <charles.cabergs@gmail.com> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/06/17 15:27:22 by charles #+# #+# */
-/* Updated: 2020/06/17 17:03:48 by charles ### ########.fr */
+/* Updated: 2020/06/19 12:18:57 by charles ### ########.fr */
/* */
/* ************************************************************************** */
#include "eval.h"
-// TODO: add parent tag on first operation of parent to fork
-int eval_op(int fds[2], t_env env, t_path path, t_op *op)
+int eval_op(int fds[2], t_env env, t_path path, t_ast *ast)
{
int status;
int left_fds[2];
@@ -24,25 +23,52 @@ int eval_op(int fds[2], t_env env, t_path path, t_op *op)
left_fds[FDS_WRITE] = MS_NO_FD;
right_fds[FDS_READ] = MS_NO_FD;
right_fds[FDS_WRITE] = fds[FDS_WRITE];
- if (op->sep == TAG_PIPE)
+ if (ast->op.sep == TAG_PIPE)
{
pipe(p);
left_fds[FDS_WRITE] = p[FDS_WRITE];
right_fds[FDS_READ] = p[FDS_READ];
}
- if ((status = eval(left_fds, env, path, op->left)) == -1)
+ if (!redir_extract(ast->redirs, env, fds))
+ {
+ ast->redirs = NULL;
+ return (-1);
+ }
+ ast->redirs = NULL;
+ if ((status = eval(left_fds, env, path, ast->op.left)) == -1)
return (-1);
- if ((op->sep == TAG_AND && status != 0) ||
- (op->sep == TAG_PIPE && status != 0) ||
- (op->sep == TAG_OR && status == 0))
+ if ((ast->op.sep == TAG_AND && status != 0) ||
+ (ast->op.sep == TAG_PIPE && status != 0) ||
+ (ast->op.sep == TAG_OR && status == 0))
return (status);
- return (eval(right_fds, env, path, op->right));
+ return (eval(right_fds, env, path, ast->op.right));
+}
+
+int wrapped_eval(void *void_param)
+{
+ t_fork_param_parent *param;
+
+ param = void_param;
+ return (eval(param->fds, param->env, param->path, param->ast));
}
int eval(int fds[2], t_env env, t_path path, t_ast *ast)
{
+ t_fork_param_parent param;
+
+ // need to handle pipe and redir
+ if (ast->tag & AST_PARENT)
+ {
+ param.fds[0] = fds[0];
+ param.fds[1] = fds[1];
+ param.env = env;
+ param.path = path;
+ ast->tag ^= AST_PARENT;
+ param.ast = ast;
+ return (fork_wrap(fds, &param, wrapped_eval));
+ }
if (ast->tag == AST_OP)
- return (eval_op(fds, env, path, &ast->op));
+ return (eval_op(fds, env, path, ast));
if (ast->tag == AST_CMD)
return (eval_cmd(fds, env, path, ast));
return (-1);
diff --git a/src/main.c b/src/main.c
index 2018001..7e9f7dc 100644
--- a/src/main.c
+++ b/src/main.c
@@ -6,7 +6,7 @@
/* By: cacharle <cacharle@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/02/28 11:45:44 by cacharle #+# #+# */
-/* Updated: 2020/06/18 14:38:24 by charles ### ########.fr */
+/* Updated: 2020/06/19 12:16:20 by charles ### ########.fr */
/* */
/* ************************************************************************** */
@@ -39,10 +39,16 @@ int main(int argc, char **argv, char **envp)
{
//printf("%s\n", argv[2]);
t_ftlst *lex_out = lexer(ft_strdup(argv[2]));
+ if (lex_out == NULL)
+ return (1);
//ft_lstiter(lex_out, token_debug);
t_ret *parser_out = parse(lex_out);
+ if (parser_out == NULL || parser_out->unexpected != NULL)
+ return (1);
+
+ /* ast_print(0, parser_out->ast); */
/* printf("===cmd_argv===\n"); */
/* ft_lstiter(parser_out->ast->cmd_argv, token_debug); */
@@ -59,6 +65,12 @@ int main(int argc, char **argv, char **envp)
return (0);
}
+
+
+/////////////////////////////////////////////////////////////
+// eval
+/////////////////////////////////////////////////////////////
+
/* int main(int argc, char **argv, char **envp) */
/* { */
/* (void)argc; */
generated by cgit (git 2.34.1) at 2026-05-16 07:02:03 +0000