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update: splitted stuff into differnt files for run_ast.c

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This commit is contained in:
maix0 2024-09-14 12:46:57 +00:00
parent 5fb84a3a82
commit 392fd77eca
22 changed files with 1498 additions and 1257 deletions
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2
.clang-format
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@ -1,6 +1,6 @@
BasedOnStyle: Microsoft
IndentWidth: 4
ColumnLimit: 140
ColumnLimit: 800
UseTab: Always
SortIncludes: CaseInsensitive
IndentPPDirectives: AfterHash

16
exec/Filelist.exec.mk
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@ -13,5 +13,19 @@ run_arithmetic/_to_ast_node \
run_arithmetic/arithmetic \
run_arithmetic/arithmetic_operation \
run_arithmetic/operator_bis \
run_ast \
run_ast/_ast_into_str \
run_ast/_ast_into_str2 \
run_ast/_run_exit_code \
run_ast/_run_exp_operators \
run_ast/_spawn_cmd \
run_ast/run_builtins \
run_ast/run_cmd_sub \
run_ast/run_command \
run_ast/run_expansion \
run_ast/run_expansion_builtin \
run_ast/run_list \
run_ast/run_pipeline \
run_ast/run_program \
run_ast/run_subshell \
run_ast/run_words \

131
exec/include/exec/_run_ast.h
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@ -6,7 +6,7 @@
/* By: rparodi <rparodi@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/08/14 17:57:57 by rparodi #+# #+# */
/* Updated: 2024/08/30 18:05:23 by rparodi ### ########.fr */
/* Updated: 2024/09/14 12:22:23 by maiboyer ### ########.fr */
/* */
/* ************************************************************************** */
@ -14,6 +14,7 @@
# define _RUN_AST_H
# include "app/state.h"
# include "exec/_run_arith.h"
# include "ast/ast.h"
# include "me/fs/fs.h"
# include "me/os/os.h"
@ -86,61 +87,99 @@ struct s_subshell_result
t_fd *stderr;
};
t_error run_arithmetic_expansion(\
t_ast_arithmetic_expansion *arithmetic_expansion, t_state *state, t_i64 *out);
struct s_ffree_state
{
t_state *state;
t_cmd_pipe cmd_pipe;
};
struct s_subshell_info
{
t_fd *stdin;
t_fd *stderr;
t_fd *stdout;
t_fd *ret_stdout;
};
bool _is_builtin(\
t_const_str argv0);
bool _is_special_var(\
t_ast_expansion *self);
t_error _arith_into_str(\
t_ast_node self, t_state *state, t_vec_str *append);
t_error _ast_get_str(\
t_ast_node elem, t_word_iterator *state, t_vec_estr *out);
t_error _ast_get_str__arimethic_expansion(\
t_ast_node elem, t_word_iterator *state, t_vec_estr *out);
t_error _ast_get_str__command_substitution(\
t_ast_node elem, t_word_iterator *state, t_vec_estr *out);
t_error _ast_get_str__expansion(\
t_ast_node elem, t_word_iterator *state, t_vec_estr *out);
t_error _ast_get_str__raw(\
t_ast_node elem, t_word_iterator *state, t_vec_estr *out);
t_error _ast_get_str__raw__double_quote(\
t_ast_node elem, t_word_iterator *state, t_vec_estr *out);
t_error _ast_get_str__raw__no_quote(\
t_ast_node elem, t_word_iterator *state, t_vec_estr *out);
t_error _ast_get_str__raw__single_quote(\
t_ast_node elem, t_word_iterator *state, t_vec_estr *out);
t_error _ast_get_str__word(\
t_ast_node elem, t_word_iterator *state, t_vec_estr *out);
t_error _ast_into_str(\
t_ast_node self, t_state *state, t_vec_str *append);
t_error _cmd_into_str(\
t_ast_node self, t_state *state, t_vec_str *append);
t_error _exp_into_str(\
t_ast_node self, t_state *state, t_vec_str *append);
t_error _get_expansion_value(\
t_ast_expansion *self, t_state *state, t_expansion_result *out);
t_error _get_op_func(\
t_ast_expansion *self, t_error (**op_func)(t_ast_expansion *self, \
t_state *state, t_expansion_result *value));
t_error _handle_builtin(\
t_spawn_info info, t_state *state, t_cmd_pipe cmd_pipe, \
t_command_result *out);
t_error _handle_expansion_operator(\
t_ast_expansion *self, t_state *state, t_expansion_result *value);
t_error _handle_len_operator(\
t_ast_expansion *self, t_state *state, t_expansion_result *value);
t_error _handle_no_operator(\
t_ast_expansion *self, t_state *state, t_expansion_result *value);
t_error _raw_str_into_str(\
t_ast_node self, t_state *state, t_vec_str *append);
t_error _run_expansion_special_var(\
t_ast_expansion *self, t_state *state, t_expansion_result *out);
t_error _run_get_exit_code(\
t_ast_node self, t_state *state, int *out);
t_error _spawn_cmd_and_run(\
t_vec_str args, t_vec_ast redirection, t_state *state, \
t_cmd_pipe cmd_pipe, t_command_result *out);
t_error _word_into_str(\
t_ast_node self, t_state *state, t_vec_str *append);
t_error run_command(\
t_ast_command *command, t_state *state, t_cmd_pipe cmd_pipe, \
t_command_result *out);
t_error run_command_substitution(\
t_ast_command_substitution *self, t_state *state, void *out);
t_error run_expansion(\
t_ast_expansion *self, t_state *state, t_expansion_result *out);
t_error run_word(\
t_ast_word *word, t_state *state, t_word_result *out);
t_error run_program(\
t_ast_program *program, t_state *state, t_program_result *out);
t_error run_pipeline(\
t_ast_pipeline *pipeline, t_state *state, t_pipeline_result *out);
t_error run_list(\
t_ast_list *list, t_state *state, t_list_result *out);
t_error run_pipeline(\
t_ast_pipeline *pipeline, t_state *state, t_pipeline_result *out);
t_error run_program(\
t_ast_program *self, t_state *state, t_program_result *out);
t_error run_subshell(\
t_ast_subshell *subshell, t_state *state, t_cmd_pipe cmd_pipe, \
t_subshell_result *out);
t_error run_case_(\
t_ast_case *case_, t_state *state, void *out);
t_error run_case_item(\
t_ast_case_item *case_item, t_state *state, void *out);
t_error run_command_substitution(\
t_ast_command_substitution *command_substitution, t_state *state, void *out);
t_error run_compound_statement(\
t_ast_compound_statement *compound_statement, t_state *state, void *out);
t_error run_elif(\
t_ast_elif *elif, t_state *state, void *out);
t_error run_else_(\
t_ast_else *else_, t_state *state, void *out);
t_error run_extglob(\
t_ast_extglob *extglob, t_state *state, void *out);
t_error run_for_(\
t_ast_for *for_, t_state *state, void *out);
t_error run_function_definition(\
t_ast_function_definition *function_definition, t_state *state, void *out);
t_error run_if_(\
t_ast_if *if_, t_state *state, void *out);
t_error run_regex(\
t_ast_regex *regex, t_state *state, void *out);
t_error run_until(\
t_ast_until *until, t_state *state, void *out);
t_error run_variable_assignment(\
t_ast_variable_assignment *variable_assignment, t_state *state, \
bool is_temporary, void *out);
t_error run_while_(\
t_ast_while *while_, t_state *state, void *out);
t_error run_word(\
t_ast_word *word, t_state *state, t_word_result *out);
t_str _get_ifs_value(\
t_state *state);
void _ffree_func(\
struct s_ffree_state *state);
void _run_word_into_str(\
t_usize idx, t_ast_node *elem, t_word_iterator *state);
t_error run_heredoc_redirection(\
t_ast_heredoc_redirection *heredoc_redirection, t_state *state, void *out);
t_error run_file_redirection(\
t_ast_file_redirection *file_redirection, t_state *state, void *out);
t_error run_empty(\
t_ast_empty *empty, t_state *state, void *out);
t_error run_raw_string(\
t_ast_raw_string *raw_string, t_state *state, void *out);
#endif

1207
exec/src/run_ast.c
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File diff suppressed because it is too large Load diff

127
exec/src/run_ast/_ast_into_str.c Normal file
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@ -0,0 +1,127 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* _ast_into_str.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/09/14 12:26:51 by maiboyer #+# #+# */
/* Updated: 2024/09/14 12:46:11 by maiboyer ### ########.fr */
/* */
/* ************************************************************************** */
#include "exec/_run_ast.h"
#include "me/string/string.h"
#include "me/str/str.h"
#include "me/convert/numbers_to_str.h"
t_error _word_into_str(t_ast_node self, t_state *state, t_vec_str *append)
{
t_word_result res;
t_vec_str splitted;
t_string tmp;
t_usize i;
t_usize j;
t_usize len;
t_str ifs;
t_str tmp_str;
if (self == NULL || state == NULL || append == NULL
|| self->kind != AST_WORD)
return (ERROR);
if (run_word(&self->data.word, state, &res))
return (ERROR);
if (res.kind == AST_WORD_NO_QUOTE)
{
tmp = string_new(64);
i = 0;
while (i < res.value.len)
{
if (!res.value.buffer[i].do_expand)
string_push(&tmp, res.value.buffer[i].value);
else
{
ifs = _get_ifs_value(state);
while (ifs != NULL && *ifs != '\0'
&& str_find_chr(res.value.buffer[i].value, *ifs) == NULL)
ifs++;
if (ifs == NULL || *ifs == '\0')
string_push(&tmp, res.value.buffer[i].value);
else
{
ifs = _get_ifs_value(state);
if (str_split(res.value.buffer[i].value, ifs, &splitted))
return (vec_estr_free(res.value), ERROR);
if (!vec_str_pop_front(&splitted, &tmp_str))
{
if (str_find_chr(ifs,
res.value.buffer[i].value[0]) == NULL)
(string_push(&tmp, tmp_str), str_free(tmp_str));
else
{
vec_str_push(append, tmp.buf);
tmp = string_new(64);
string_push(&tmp, tmp_str);
str_free(tmp_str);
}
j = 0;
while (j + 1 < splitted.len)
{
if (vec_str_pop_front(&splitted, &tmp_str))
return (vec_estr_free(res.value), ERROR);
vec_str_push(append, tmp_str);
j++;
}
len = str_len(res.value.buffer[i].value);
if (len != 0 && str_find_chr(ifs,
res.value.buffer[i].value[len - 1]) == NULL)
(string_push(&tmp, tmp_str), str_free(tmp_str));
else
vec_str_push(append, tmp_str);
}
}
}
i++;
}
vec_str_push(append, tmp.buf);
}
else
{
tmp = string_new(64);
i = 0;
while (i < res.value.len)
{
string_push(&tmp, res.value.buffer[i++].value);
}
vec_str_push(append, tmp.buf);
}
vec_estr_free(res.value);
return (NO_ERROR);
}
t_error _raw_str_into_str(t_ast_node self, t_state *state, t_vec_str *append)
{
if (self == NULL || state == NULL || append == NULL
|| self->kind != AST_RAW_STRING)
return (ERROR);
vec_str_push(append, str_clone(self->data.raw_string.str));
return (NO_ERROR);
}
t_error _ast_into_str(t_ast_node self, t_state *state, t_vec_str *append)
{
if (self == NULL || state == NULL || append == NULL)
return (ERROR);
if (self->kind == AST_EXPANSION)
return (_exp_into_str(self, state, append));
if (self->kind == AST_ARITHMETIC_EXPANSION)
return (_arith_into_str(self, state, append));
if (self->kind == AST_COMMAND_SUBSTITUTION)
return (_cmd_into_str(self, state, append));
if (self->kind == AST_WORD)
return (_word_into_str(self, state, append));
if (self->kind == AST_RAW_STRING)
return (_raw_str_into_str(self, state, append));
printf("unknown Kind = %#04x\n", self->kind);
return (ERROR);
}

122
exec/src/run_ast/_ast_into_str2.c Normal file
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@ -0,0 +1,122 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* _ast_into_str2.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/09/14 12:26:51 by maiboyer #+# #+# */
/* Updated: 2024/09/14 12:43:56 by maiboyer ### ########.fr */
/* */
/* ************************************************************************** */
#include "exec/_run_ast.h"
#include "me/string/string.h"
#include "me/str/str.h"
#include "me/convert/numbers_to_str.h"
t_error _ast_get_str__raw__no_quote(t_ast_node elem, t_word_iterator *state,
t_vec_estr *out)
{
bool last_backslash;
t_string ret;
t_usize i;
if (elem == NULL || state == NULL || out == NULL
|| elem->kind != AST_RAW_STRING
|| elem->data.raw_string.kind != AST_WORD_NO_QUOTE)
return (ERROR);
i = 0;
ret = string_new(elem->data.raw_string.len);
last_backslash = false;
while (elem->data.raw_string.str[i])
{
if (elem->data.raw_string.str[i] != '\\' || last_backslash)
string_push_char(&ret, elem->data.raw_string.str[i]);
last_backslash = false;
if (elem->data.raw_string.str[i] == '\\' && !last_backslash)
last_backslash = true;
i++;
}
return (vec_estr_push(out, (t_expandable_str){.do_expand = false,
.value = ret.buf}), NO_ERROR);
}
t_error _ast_get_str__raw__single_quote(t_ast_node elem, t_word_iterator *state,
t_vec_estr *out)
{
t_string ret;
t_usize i;
if (elem == NULL || state == NULL || out == NULL
|| elem->kind != AST_RAW_STRING
|| elem->data.raw_string.kind != AST_WORD_SINGLE_QUOTE)
return (ERROR);
i = 1;
ret = string_new(elem->data.raw_string.len);
while (elem->data.raw_string.str[i])
string_push_char(&ret, elem->data.raw_string.str[i++]);
string_pop(&ret);
return (vec_estr_push(out, (t_expandable_str){.do_expand = false,
.value = ret.buf}), NO_ERROR);
}
t_error _ast_get_str__raw__double_quote(t_ast_node elem, t_word_iterator *state,
t_vec_estr *out)
{
bool last_backslash;
t_string ret;
t_usize i;
if (elem == NULL || state == NULL || out == NULL
|| elem->kind != AST_RAW_STRING
|| elem->data.raw_string.kind != AST_WORD_DOUBLE_QUOTE)
return (ERROR);
i = 0;
ret = string_new(elem->data.raw_string.len);
last_backslash = false;
while (elem->data.raw_string.str[i])
{
if (elem->data.raw_string.str[i] != '\\' || last_backslash)
string_push_char(&ret, elem->data.raw_string.str[i]);
last_backslash = false;
if (elem->data.raw_string.str[i] == '\\' && !last_backslash)
last_backslash = true;
i++;
}
return (vec_estr_push(out, (t_expandable_str){.do_expand = false,
.value = ret.buf}), NO_ERROR);
}
t_error _ast_get_str__raw(t_ast_node elem, t_word_iterator *state,
t_vec_estr *out)
{
if (elem == NULL || state == NULL || out == NULL
|| elem->kind != AST_RAW_STRING)
return (ERROR);
if (elem->data.raw_string.kind == AST_WORD_NO_QUOTE)
return (_ast_get_str__raw__no_quote(elem, state, out));
if (elem->data.raw_string.kind == AST_WORD_SINGLE_QUOTE)
return (_ast_get_str__raw__single_quote(elem, state, out));
if (elem->data.raw_string.kind == AST_WORD_DOUBLE_QUOTE)
return (_ast_get_str__raw__double_quote(elem, state, out));
return (ERROR);
}
t_str _get_ifs_value(t_state *state)
{
t_str ifs;
t_str *ifs_entry;
t_str ifs_key;
ifs_key = "IFS";
ifs = NULL;
ifs_entry = hmap_env_get(state->tmp_var, (t_str *)&ifs_key);
if (ifs_entry != NULL)
ifs_entry = hmap_env_get(state->env, (t_str *)&ifs_key);
if (ifs_entry != NULL)
ifs = *ifs_entry;
if (ifs == NULL)
ifs = " \t\n";
return (ifs);
}

99
exec/src/run_ast/_ast_into_str3.c Normal file
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@ -0,0 +1,99 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* _ast_into_str3.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/09/14 12:26:51 by maiboyer #+# #+# */
/* Updated: 2024/09/14 12:45:31 by maiboyer ### ########.fr */
/* */
/* ************************************************************************** */
#include "exec/_run_ast.h"
#include "me/string/string.h"
#include "me/str/str.h"
#include "me/convert/numbers_to_str.h"
t_error _ast_get_str__expansion(t_ast_node elem, t_word_iterator *state,
t_vec_estr *out)
{
t_expansion_result exp_ret;
if (elem == NULL || state == NULL || out == NULL
|| elem->kind != AST_EXPANSION)
return (ERROR);
if (run_expansion(&elem->data.expansion, state->state, &exp_ret))
return (ERROR);
return (vec_estr_push(out,
(t_expandable_str){.do_expand = \
state->res.kind == AST_WORD_NO_QUOTE, .value = \
exp_ret.value}), NO_ERROR);
}
t_error _ast_get_str__arimethic_expansion(t_ast_node elem,
t_word_iterator *state, t_vec_estr *out)
{
t_str out_str;
t_i64 out_num;
if (elem == NULL || state == NULL || out == NULL
|| elem->kind != AST_ARITHMETIC_EXPANSION)
return (ERROR);
if (run_arithmetic_expansion(&elem->data.arithmetic_expansion, state->state,
&out_num))
return (ERROR);
if (i64_to_str(out_num, &out_str))
return (ERROR);
vec_estr_push(out,
(t_expandable_str){.do_expand = state->res.kind == AST_WORD_NO_QUOTE,
.value = out_str});
return (NO_ERROR);
}
// vec_estr_push(out, (t_expandable_str){.do_expand =
// state->res.kind == AST_WORD_NO_QUOTE, .value =
// str_clone(exp_out.value)});
t_error _ast_get_str__command_substitution(t_ast_node elem,
t_word_iterator *state, t_vec_estr *out)
{
if (elem == NULL || state == NULL || out == NULL
|| elem->kind != AST_COMMAND_SUBSTITUTION)
return (ERROR);
return (ERROR);
}
t_error _ast_get_str__word(t_ast_node elem, t_word_iterator *state,
t_vec_estr *out)
{
t_vec_str res;
t_str tmp;
if (elem == NULL || state == NULL || out == NULL || elem->kind != AST_WORD)
return (ERROR);
res = vec_str_new(16, str_free);
if (_ast_into_str(elem, state->state, &res))
return (vec_str_free(res), ERROR);
while (!vec_str_pop_front(&res, &tmp))
vec_estr_push(out, (t_expandable_str){.do_expand = false,
.value = tmp});
vec_str_free(res);
return (NO_ERROR);
}
t_error _ast_get_str(t_ast_node elem, t_word_iterator *state, t_vec_estr *out)
{
if (elem == NULL || state == NULL || out == NULL)
return (ERROR);
if (elem->kind == AST_RAW_STRING)
return (_ast_get_str__raw(elem, state, out));
if (elem->kind == AST_EXPANSION)
return (_ast_get_str__expansion(elem, state, out));
if (elem->kind == AST_ARITHMETIC_EXPANSION)
return (_ast_get_str__arimethic_expansion(elem, state, out));
if (elem->kind == AST_COMMAND_SUBSTITUTION)
return (_ast_get_str__command_substitution(elem, state, out));
if (elem->kind == AST_WORD)
return (_ast_get_str__word(elem, state, out));
return (ERROR);
}

55
exec/src/run_ast/_ast_into_str4.c Normal file
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@ -0,0 +1,55 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* _ast_into_str4.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/09/14 12:26:51 by maiboyer #+# #+# */
/* Updated: 2024/09/14 12:46:00 by maiboyer ### ########.fr */
/* */
/* ************************************************************************** */
#include "exec/_run_ast.h"
#include "me/string/string.h"
#include "me/str/str.h"
#include "me/convert/numbers_to_str.h"
void _run_word_into_str(t_usize idx, t_ast_node *elem,
t_word_iterator *state)
{
(void)(idx);
if (elem == NULL || *elem == NULL || state == NULL)
return ;
if (_ast_get_str(*elem, state, &state->res.value))
return ;
}
t_error _exp_into_str(t_ast_node self, t_state *state, t_vec_str *append)
{
t_expansion_result res;
t_vec_str splitted;
t_str tmp;
if (self == NULL || state == NULL || append == NULL
|| self->kind != AST_EXPANSION)
return (ERROR);
if (run_expansion(&self->data.expansion, state, &res))
return (ERROR);
if (res.value == NULL)
return (NO_ERROR);
if (str_split(res.value, _get_ifs_value(state), &splitted))
return (ERROR);
while (!vec_str_pop_front(&splitted, &tmp))
vec_str_push(append, tmp);
vec_str_free(splitted);
return (NO_ERROR);
}
t_error _arith_into_str(t_ast_node self, t_state *state, t_vec_str *append)
{
if (self == NULL || state == NULL || append == NULL
|| self->kind != AST_ARITHMETIC_EXPANSION)
return (ERROR);
return (NO_ERROR);
}

55
exec/src/run_ast/_run_exit_code.c Normal file
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@ -0,0 +1,55 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* _run_exit_code.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/09/14 12:31:28 by maiboyer #+# #+# */
/* Updated: 2024/09/14 12:31:47 by maiboyer ### ########.fr */
/* */
/* ************************************************************************** */
#include "exec/_run_ast.h"
t_error _run_get_exit_code(t_ast_node self, t_state *state, int *out)
{
t_command_result cmd_res;
t_pipeline_result pipe_res;
t_list_result list_res;
t_subshell_result subshell_res;
if (self->kind == AST_COMMAND)
{
if (run_command(\
&self->data.command, state, (t_cmd_pipe){NULL, false}, &cmd_res))
return (ERROR);
if (cmd_res.process.stdin != NULL)
close_fd(cmd_res.process.stdin);
if (cmd_res.process.stdout != NULL)
close_fd(cmd_res.process.stdout);
if (cmd_res.process.stderr != NULL)
close_fd(cmd_res.process.stderr);
*out = cmd_res.exit;
}
if (self->kind == AST_PIPELINE)
{
if (run_pipeline(&self->data.pipeline, state, &pipe_res))
return (ERROR);
*out = pipe_res.exit;
}
if (self->kind == AST_LIST)
{
if (run_list(&self->data.list, state, &list_res))
return (ERROR);
*out = list_res.exit;
}
if (self->kind == AST_SUBSHELL)
{
if (run_subshell(\
&self->data.subshell, state, (t_cmd_pipe){NULL, false}, &subshell_res))
return (ERROR);
*out = subshell_res.exit;
}
return (NO_ERROR);
}

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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* _run_exp_operators.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/09/14 12:40:01 by maiboyer #+# #+# */
/* Updated: 2024/09/14 12:40:44 by maiboyer ### ########.fr */
/* */
/* ************************************************************************** */
#include "exec/_run_ast.h"
#include "me/mem/mem.h"
#include "me/str/str.h"
#include "me/convert/numbers_to_str.h"
t_error _handle_len_operator(t_ast_expansion *self, t_state *state,
t_expansion_result *value)
{
t_str len_str;
t_usize len;
(void)(self);
(void)(state);
(void)(value);
if (value->exists && value->value != NULL)
len = str_len(value->value);
else
len = 0;
if (u64_to_str(len, &len_str))
return (ERROR);
mem_free(value->value);
value->exists = true;
value->value = len_str;
return (NO_ERROR);
}
t_error _handle_no_operator(t_ast_expansion *self, t_state *state,
t_expansion_result *value)
{
t_str *val;
if (self == NULL || state == NULL || value == NULL)
return (ERROR);
val = hmap_env_get(state->tmp_var, &self->var_name);
if (val == NULL)
val = hmap_env_get(state->env, &self->var_name);
if (val == NULL)
return (value->exists = false, NO_ERROR);
value->exists = true;
value->value = str_clone(*val);
return (NO_ERROR);
}
t_error _get_op_func(t_ast_expansion *self,
t_error (**op_func)(t_ast_expansion *self, t_state *state,
t_expansion_result *value))
{
if (self == NULL || op_func == NULL)
return (ERROR);
if (self->kind == E_OP_NONE)
return (*op_func = _handle_no_operator, NO_ERROR);
return (ERROR);
}
t_error _handle_expansion_operator(t_ast_expansion *self, t_state *state,
t_expansion_result *value)
{
t_error (*op_func)(t_ast_expansion * self, t_state * state, \
t_expansion_result * value);
if (self == NULL || state == NULL || value == NULL)
return (ERROR);
if (_get_op_func(self, &op_func))
return (ERROR);
if (op_func(self, state, value))
return (ERROR);
return (NO_ERROR);
}

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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* _spawn_cmd.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/09/14 12:30:09 by maiboyer #+# #+# */
/* Updated: 2024/09/14 12:31:00 by maiboyer ### ########.fr */
/* */
/* ************************************************************************** */
#include "app/env.h"
#include "exec/_run_ast.h"
#include "me/str/str.h"
#include <sys/wait.h>
#include <unistd.h>
t_error _spawn_cmd_and_run(t_vec_str args, t_vec_ast redirection,
t_state *state, t_cmd_pipe cmd_pipe, t_command_result *out)
{
t_spawn_info info;
t_usize i;
t_ast_node red;
t_vec_str filename_args;
t_fd *red_fd;
struct s_ffree_state ffree;
t_pipe heredoc_pipe;
int status;
info = (t_spawn_info){};
if (cmd_pipe.input != NULL)
info.stdin = fd(cmd_pipe.input);
if (cmd_pipe.create_output)
info.stdout = piped();
i = 0;
filename_args = vec_str_new(16, str_free);
while (i < redirection.len)
{
red = redirection.buffer[i];
if (red == NULL)
continue ;
vec_str_free(filename_args);
filename_args = vec_str_new(16, str_free);
if (red->kind == AST_FILE_REDIRECTION)
{
if (red->data.file_redirection.op == AST_REDIR_INPUT)
{
if (info.stdin.tag == R_FD)
close_fd(info.stdin.fd.fd);
info.stdin.tag = R_INHERITED;
if (_ast_into_str(red->data.file_redirection.output, state,
&filename_args))
return (ERROR);
if (filename_args.len != 1)
return (vec_str_free(filename_args), ERROR);
red_fd = open_fd(filename_args.buffer[i], FD_READ, O_CLOEXEC,
0);
if (red_fd == NULL)
return (vec_str_free(filename_args), ERROR);
info.stdin = fd(red_fd);
}
if (red->data.file_redirection.op == AST_REDIR_OUTPUT)
{
if (info.stdout.tag == R_FD)
close_fd(info.stdout.fd.fd);
info.stdout.tag = R_INHERITED;
if (_ast_into_str(red->data.file_redirection.output, state,
&filename_args))
return (ERROR);
if (filename_args.len != 1)
return (vec_str_free(filename_args), ERROR);
red_fd = open_fd(filename_args.buffer[i], FD_WRITE,
O_TRUNC | O_CREAT | O_CLOEXEC,
FP_ALL_READ | FP_ALL_WRITE);
if (red_fd == NULL)
return (vec_str_free(filename_args), ERROR);
info.stdout = fd(red_fd);
}
if (red->data.file_redirection.op == AST_REDIR_APPEND)
{
if (info.stdout.tag == R_FD)
close_fd(info.stdout.fd.fd);
info.stdout.tag = R_INHERITED;
if (_ast_into_str(red->data.file_redirection.output, state,
&filename_args))
return (ERROR);
if (filename_args.len != 1)
return (vec_str_free(filename_args), ERROR);
red_fd = open_fd(filename_args.buffer[i], FD_WRITE,
O_TRUNC | O_CREAT | O_CLOEXEC,
FP_ALL_READ | FP_ALL_WRITE);
if (red_fd == NULL)
return (vec_str_free(filename_args), ERROR);
info.stdout = fd(red_fd);
}
if (red->data.file_redirection.op == AST_REDIR_DUP_INPUT
|| red->data.file_redirection.op == AST_REDIR_DUP_OUTPUT
|| red->data.file_redirection.op == AST_REDIR_CLOSE_INPUT
|| red->data.file_redirection.op == AST_REDIR_CLOSE_OUTPUT
|| red->data.file_redirection.op == AST_REDIR_INPUT_OUTPUT
|| red->data.file_redirection.op == AST_REDIR_OUTPUT_CLOBBER)
return (ERROR);
}
if (red->kind == AST_HEREDOC_REDIRECTION)
{
if (red->data.heredoc_redirection.op == AST_REDIR_HEREDOC)
{
if (info.stdout.tag == R_FD)
close_fd(info.stdout.fd.fd);
info.stdout.tag = R_INHERITED;
if (create_pipe(&heredoc_pipe))
return (ERROR);
put_string_fd(heredoc_pipe.write,
red->data.heredoc_redirection.content);
close_fd(heredoc_pipe.write);
info.stdin = fd(heredoc_pipe.read);
}
if (red->data.heredoc_redirection.op == AST_REDIR_HEREDOC_INDENT)
return (ERROR);
}
i++;
}
ffree = (struct s_ffree_state){.state = state, .cmd_pipe = cmd_pipe};
redirection.len = 0;
vec_ast_free(redirection);
vec_str_free(filename_args);
info.arguments = args;
if (args.len == 0)
return (vec_str_free(args), ERROR);
info.binary_path = str_clone(info.arguments.buffer[0]);
if (_is_builtin(info.binary_path))
return (_handle_builtin(info, state, cmd_pipe, out));
if (build_envp(state->env, state->tmp_var, &info.environement))
return (str_free(info.binary_path), ERROR);
info.forked_free_args = &ffree;
info.forked_free = (void (*)(void *))_ffree_func;
signal(SIGINT, SIG_IGN);
signal(SIGQUIT, SIG_IGN);
if (spawn_process(info, &out->process))
return (close_fd(cmd_pipe.input), out->exit = 127, ERROR);
if (cmd_pipe.create_output || cmd_pipe.input != NULL)
return (out->exit = -1, NO_ERROR);
if (waitpid(out->process.pid, &status, 0) == -1)
return (ERROR);
if (WIFEXITED(status))
out->exit = WEXITSTATUS(status);
if (WIFSIGNALED(status))
out->exit = WTERMSIG(status);
return (NO_ERROR);
}

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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* run_builtins.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/09/14 12:24:49 by maiboyer #+# #+# */
/* Updated: 2024/09/14 12:25:48 by maiboyer ### ########.fr */
/* */
/* ************************************************************************** */
#include "exec/_run_ast.h"
#include "exec/builtins.h"
#include "me/mem/mem.h"
#include "me/str/str.h"
void _ffree_func(struct s_ffree_state *state)
{
if (state == NULL)
return ;
hmap_env_free(state->state->env);
hmap_env_free(state->state->tmp_var);
close_fd(state->cmd_pipe.input);
}
bool _is_builtin(t_const_str argv0)
{
t_usize i;
const t_str value[] = {"cd", "echo", "env", "exit", "export", "pwd", \
"unset", "_debug", NULL};
i = 0;
if (argv0 == NULL)
return (false);
while (value[i] != NULL)
if (str_compare(argv0, value[i++]))
return (true);
return (false);
}
t_error _handle_builtin(t_spawn_info info, t_state *state, t_cmd_pipe cmd_pipe,
t_command_result *out)
{
t_usize i;
const t_const_str argv0 = info.binary_path;
const t_str value[] = {"cd", "echo", "env", "exit", "export", \
"pwd", "unset", "_debug", NULL};
const t_builtin_func funcs[] = {builtin_cd____, builtin_echo__, \
builtin_env___, builtin_exit__, builtin_export, builtin_pwd___, \
builtin_unset_, builtin_debug_, NULL};
t_builtin_func actual_func;
t_builtin_spawn_info binfo;
t_pipe pipe_fd;
bool do_fork;
t_i32 exit_code;
i = 0;
if (argv0 == NULL)
return (ERROR);
actual_func = NULL;
while (value[i] != NULL)
{
if (str_compare(argv0, value[i]))
{
actual_func = funcs[i];
break ;
}
i++;
}
if (actual_func == NULL)
return (me_abort("Builtin found but no function found..."), ERROR);
mem_set_zero(out, sizeof(*out));
if (info.stdin.tag == R_FD)
binfo.stdin = info.stdin.fd.fd;
if (info.stdin.tag == R_INHERITED)
binfo.stdin = dup_fd(get_stdin());
if (info.stderr.tag == R_FD)
binfo.stderr = info.stderr.fd.fd;
if (info.stderr.tag == R_INHERITED)
binfo.stderr = dup_fd(get_stderr());
if (info.stdout.tag == R_FD)
binfo.stdout = info.stdout.fd.fd;
if (info.stdout.tag == R_INHERITED)
binfo.stdout = dup_fd(get_stdout());
if (info.stdout.tag == R_PIPED)
{
if (create_pipe(&pipe_fd))
return (ERROR);
out->process.stdout = pipe_fd.read;
binfo.stdout = pipe_fd.write;
}
binfo.args = info.arguments;
do_fork = cmd_pipe.input != NULL || cmd_pipe.create_output;
if (do_fork)
{
out->process.pid = fork();
if (out->process.pid == 0)
{
if (actual_func(state, binfo, &exit_code))
me_exit(127);
me_exit(exit_code);
}
if (out->process.pid == -1)
out->exit = 126;
else
out->exit = -1;
}
else
{
if (actual_func(state, binfo, &exit_code))
out->exit = 126;
else
out->exit = exit_code;
}
if (binfo.stdin)
close_fd(binfo.stdin);
if (binfo.stdout)
close_fd(binfo.stdout);
if (binfo.stderr)
close_fd(binfo.stderr);
vec_str_free(info.arguments);
str_free(info.binary_path);
return (NO_ERROR);
}

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exec/src/run_ast/run_cmd_sub.c Normal file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* run_cmd_sub.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/09/14 12:36:15 by maiboyer #+# #+# */
/* Updated: 2024/09/14 12:36:25 by maiboyer ### ########.fr */
/* */
/* ************************************************************************** */
#include "exec/_run_ast.h"
t_error run_command_substitution(t_ast_command_substitution *self,
t_state *state, void *out)
{
(void)(self);
(void)(state);
(void)(out);
return (ERROR);
}

63
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* run_command.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/09/14 12:23:53 by maiboyer #+# #+# */
/* Updated: 2024/09/14 12:24:24 by maiboyer ### ########.fr */
/* */
/* ************************************************************************** */
#include "exec/_run_ast.h"
#include "me/str/str.h"
// if
// (run_variable_assignment(&tmp->data.variable_assignment,
// state, true, NULL)) return (vec_str_free(args),
// vec_ast_free(redirection), ERROR);
t_error run_command(t_ast_command *command, t_state *state, t_cmd_pipe cmd_pipe,
t_command_result *out)
{
t_vec_str args;
t_vec_ast redirection;
t_usize i;
t_ast_node tmp;
if (command == NULL || state == NULL || out == NULL)
return (ERROR);
hmap_env_clear(state->tmp_var);
args = vec_str_new(command->cmd_word.len, str_free);
redirection = vec_ast_new(command->suffixes_redirections.len, ast_free);
i = 0;
while (i < command->prefixes.len)
{
tmp = command->prefixes.buffer[i];
if (tmp->kind == AST_FILE_REDIRECTION
|| tmp->kind == AST_HEREDOC_REDIRECTION)
vec_ast_push(&redirection, tmp);
if (tmp->kind == AST_VARIABLE_ASSIGNMENT)
return (printf("Variable assignment aren't supported !\n"), ERROR);
i++;
}
i = 0;
while (i < command->cmd_word.len)
{
if (_ast_into_str(command->cmd_word.buffer[i], state, &args))
return (vec_str_free(args), vec_ast_free(redirection), ERROR);
i++;
}
i = 0;
while (i < command->suffixes_redirections.len)
{
tmp = command->suffixes_redirections.buffer[i];
if (tmp->kind == AST_FILE_REDIRECTION
|| tmp->kind == AST_HEREDOC_REDIRECTION)
vec_ast_push(&redirection, tmp);
i++;
}
if (_spawn_cmd_and_run(args, redirection, state, cmd_pipe, out))
return (ERROR);
return (NO_ERROR);
}

51
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* run_expansion.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/09/14 12:41:23 by maiboyer #+# #+# */
/* Updated: 2024/09/14 12:41:28 by maiboyer ### ########.fr */
/* */
/* ************************************************************************** */
#include "exec/_run_ast.h"
t_error _get_expansion_value(t_ast_expansion *self, t_state *state,
t_expansion_result *out)
{
t_str *hmap_ret;
t_expansion_result ret;
if (self == NULL || state == NULL || out == NULL)
return (ERROR);
hmap_ret = hmap_env_get(state->tmp_var, &self->var_name);
if (hmap_ret == NULL)
hmap_ret = hmap_env_get(state->env, &self->var_name);
ret = (t_expansion_result){.exists = (hmap_ret != NULL), .value = NULL};
if (ret.exists)
ret.value = *hmap_ret;
return (*out = ret, NO_ERROR);
}
/// this functons returns different things depending on the
/// operator and/or the state of the shell NULL != empty
/// string for example
t_error run_expansion(t_ast_expansion *self, t_state *state,
t_expansion_result *out)
{
t_expansion_result ret;
bool is_special_var;
is_special_var = _is_special_var(self);
if (is_special_var && _run_expansion_special_var(self, state, &ret))
return (ERROR);
if (!is_special_var && _get_expansion_value(self, state, &ret))
return (ERROR);
if (_handle_expansion_operator(self, state, &ret))
return (ERROR);
if (self->len_operator && _handle_len_operator(self, state, &ret))
return (ERROR);
return (*out = ret, NO_ERROR);
}

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exec/src/run_ast/run_expansion_builtin.c Normal file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* run_expansion_builtin.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/09/14 12:38:38 by maiboyer #+# #+# */
/* Updated: 2024/09/14 12:42:53 by maiboyer ### ########.fr */
/* */
/* ************************************************************************** */
#include "exec/_run_ast.h"
#include "me/mem/mem.h"
#include "me/str/str.h"
#include "me/convert/numbers_to_str.h"
bool _is_special_var(t_ast_expansion *self)
{
char name;
if (self == NULL)
return (true);
if (self->var_name == NULL)
return (true);
if (str_len(self->var_name) != 1)
return (false);
name = self->var_name[0];
if (name == '*' || name == '@' || name == '?' || name == '!' || name == '#'
|| name == '-' || name == '$' || name == '0')
return (true);
return (false);
}
// return pid of last run program
// return `argc - 1` bc we don't care about argv[0]
// return pid of self (the shell)
// return the option string <ask maiboyer>
// return all args without argv[0]
// return all args with argv[0]
// return exit code of last run program
t_error _run_expansion_special_var(t_ast_expansion *self, t_state *state,
t_expansion_result *out)
{
char name;
if (self == NULL || state == NULL || out == NULL)
return (ERROR);
name = self->var_name[0];
*out = (t_expansion_result){.exists = false, .value = NULL};
if (name == '?')
{
printf("PLEASE MAKE SURE TO FINISH THE SPECIAL VAR HANDLING !");
}
return (NO_ERROR);
}

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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* run_list.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/09/14 12:34:33 by maiboyer #+# #+# */
/* Updated: 2024/09/14 12:34:39 by maiboyer ### ########.fr */
/* */
/* ************************************************************************** */
#include "exec/_run_ast.h"
t_error run_list(t_ast_list *list, t_state *state, t_list_result *out)
{
int left;
int right;
t_ast_node tmp;
t_vec_ast *append;
if (list == NULL || state == NULL || out == NULL)
return (ERROR);
append = NULL;
if (list->right->kind == AST_COMMAND)
append = &list->right->data.command.suffixes_redirections;
if (list->right->kind == AST_PIPELINE)
append = &list->right->data.pipeline.suffixes_redirections;
if (list->right->kind == AST_LIST)
append = &list->right->data.list.suffixes_redirections;
if (list->right->kind == AST_SUBSHELL)
append = &list->right->data.subshell.suffixes_redirections;
if (append != NULL)
{
while (!vec_ast_pop_front(&list->suffixes_redirections, &tmp))
vec_ast_push(append, tmp);
}
left = -1;
right = -1;
if (_run_get_exit_code(list->left, state, &left))
return (ERROR);
if ((list->op == AST_LIST_OR && left != 0) || (list->op == AST_LIST_AND
&& left == 0))
{
if (_run_get_exit_code(list->right, state, &right))
return (ERROR);
out->exit = right;
}
else
out->exit = left;
return (NO_ERROR);
}

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exec/src/run_ast/run_pipeline.c Normal file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* run_pipeline.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/09/14 12:32:37 by maiboyer #+# #+# */
/* Updated: 2024/09/14 12:33:09 by maiboyer ### ########.fr */
/* */
/* ************************************************************************** */
#include "exec/_run_ast.h"
#include "me/vec/vec_pid.h"
#include <errno.h>
#include <sys/wait.h>
t_error run_pipeline(t_ast_pipeline *pipeline, t_state *state,
t_pipeline_result *out)
{
int waitpid_status;
t_ast_node child;
t_ast_node tmp_ast;
t_cmd_pipe cmd_pipe;
t_command_result cmd_result;
t_error ret;
t_usize i;
t_vec_pid pids;
if (pipeline == NULL || state == NULL || out == NULL)
return (ERROR);
i = 0;
ret = NO_ERROR;
cmd_pipe.input = NULL;
cmd_pipe.create_output = true;
out->exit = 127;
pids = vec_pid_new(32, NULL);
while (i < pipeline->statements.len - 1)
{
child = pipeline->statements.buffer[i];
if (child->kind == AST_COMMAND)
{
if (run_command(&child->data.command, state, cmd_pipe, &cmd_result))
{
cmd_pipe.input = NULL;
ret = ERROR;
}
else
{
vec_pid_push(&pids, cmd_result.process.pid);
close_fd(cmd_pipe.input);
if (cmd_result.process.stdout != NULL)
cmd_pipe.input = cmd_result.process.stdout;
if (cmd_result.process.stdin != NULL)
close_fd(cmd_result.process.stdin);
if (cmd_result.process.stderr != NULL)
close_fd(cmd_result.process.stderr);
}
}
i++;
}
{
cmd_pipe.create_output = false;
child = pipeline->statements.buffer[i];
if (child->kind == AST_COMMAND)
{
while (!vec_ast_pop_front(&pipeline->suffixes_redirections,
&tmp_ast))
vec_ast_push(&child->data.command.suffixes_redirections,
tmp_ast);
if (run_command(&child->data.command, state, cmd_pipe, &cmd_result))
{
ret = ERROR;
}
else
{
vec_pid_push(&pids, cmd_result.process.pid);
close_fd(cmd_pipe.input);
if (cmd_result.process.stdout != NULL)
close_fd(cmd_result.process.stdout);
if (cmd_result.process.stdin != NULL)
close_fd(cmd_result.process.stdin);
if (cmd_result.process.stderr != NULL)
close_fd(cmd_result.process.stderr);
}
}
}
if (pids.len != 0)
{
if (!(kill(pids.buffer[pids.len - 1], 0) == -1 && errno == ESRCH))
while (waitpid(pids.buffer[pids.len - 1], &waitpid_status, 0) < 0)
;
while (waitpid(-1, NULL, 0) != -1)
;
if (WIFEXITED(waitpid_status))
out->exit = WEXITSTATUS(waitpid_status);
if (WIFSIGNALED(waitpid_status))
out->exit = WTERMSIG(waitpid_status);
}
else
out->exit = 127;
vec_pid_free(pids);
return (ret);
}

29
exec/src/run_ast/run_program.c Normal file
View file

@ -0,0 +1,29 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* run_program.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/09/14 12:32:04 by maiboyer #+# #+# */
/* Updated: 2024/09/14 12:32:20 by maiboyer ### ########.fr */
/* */
/* ************************************************************************** */
#include "exec/_run_ast.h"
t_error run_program(t_ast_program *self, t_state *state, t_program_result *out)
{
t_usize i;
if (self == NULL || state == NULL || out == NULL)
return (ERROR);
i = 0;
while (i < self->body.len)
{
if (_run_get_exit_code(self->body.buffer[i], state, &out->exit))
return (ERROR);
i++;
}
return (NO_ERROR);
}

175
exec/src/run_ast/run_subshell.c Normal file
View file

@ -0,0 +1,175 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* run_subshell.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/09/14 12:35:02 by maiboyer #+# #+# */
/* Updated: 2024/09/14 12:35:58 by maiboyer ### ########.fr */
/* */
/* ************************************************************************** */
#include "exec/_run_ast.h"
#include "me/mem/mem.h"
#include "me/str/str.h"
#include <sys/wait.h>
#include <errno.h>
t_error run_subshell(t_ast_subshell *subshell, t_state *state,
t_cmd_pipe cmd_pipe, t_subshell_result *out)
{
struct s_subshell_info info;
t_pipe spipe;
t_usize i;
t_vec_str filename_args;
t_ast_node red;
t_vec_ast redirection;
t_fd *red_fd;
t_pipe heredoc_pipe;
t_pid forked;
int code;
int status;
if (subshell == NULL || state == NULL || out == NULL)
return (ERROR);
mem_set_zero(&info, sizeof(info));
info.stdin = cmd_pipe.input;
if (cmd_pipe.create_output)
{
if (create_pipe(&spipe))
return (ERROR);
info.stdout = spipe.write;
info.ret_stdout = spipe.read;
}
i = 0;
filename_args = vec_str_new(16, str_free);
redirection = subshell->suffixes_redirections;
while (i < redirection.len)
{
red = redirection.buffer[i];
if (red == NULL)
continue ;
vec_str_free(filename_args);
filename_args = vec_str_new(16, str_free);
if (red->kind == AST_FILE_REDIRECTION)
{
if (red->data.file_redirection.op == AST_REDIR_INPUT)
{
if (info.stdin != NULL)
close_fd(info.stdin);
info.stdin = NULL;
if (_ast_into_str(red->data.file_redirection.output, state,
&filename_args))
return (ERROR);
if (filename_args.len != 1)
return (vec_str_free(filename_args), ERROR);
red_fd = open_fd(filename_args.buffer[i], FD_READ, O_CLOEXEC,
0);
if (red_fd == NULL)
return (vec_str_free(filename_args), ERROR);
info.stdin = red_fd;
}
if (red->data.file_redirection.op == AST_REDIR_OUTPUT)
{
if (info.stdout != NULL)
close_fd(info.stdout);
info.stdout = NULL;
if (_ast_into_str(red->data.file_redirection.output, state,
&filename_args))
return (ERROR);
if (filename_args.len != 1)
return (vec_str_free(filename_args), ERROR);
red_fd = open_fd(filename_args.buffer[i], FD_WRITE,
O_TRUNC | O_CREAT | O_CLOEXEC,
FP_ALL_READ | FP_ALL_WRITE);
if (red_fd == NULL)
return (vec_str_free(filename_args), ERROR);
info.stdout = red_fd;
}
if (red->data.file_redirection.op == AST_REDIR_APPEND)
{
if (info.stdout != NULL)
close_fd(info.stdout);
info.stdout = NULL;
if (_ast_into_str(red->data.file_redirection.output, state,
&filename_args))
return (ERROR);
if (filename_args.len != 1)
return (vec_str_free(filename_args), ERROR);
red_fd = open_fd(filename_args.buffer[i], FD_WRITE,
O_TRUNC | O_CREAT | O_CLOEXEC,
FP_ALL_READ | FP_ALL_WRITE);
if (red_fd == NULL)
return (vec_str_free(filename_args), ERROR);
info.stdout = red_fd;
}
if (red->data.file_redirection.op == AST_REDIR_DUP_INPUT
|| red->data.file_redirection.op == AST_REDIR_DUP_OUTPUT
|| red->data.file_redirection.op == AST_REDIR_CLOSE_INPUT
|| red->data.file_redirection.op == AST_REDIR_CLOSE_OUTPUT
|| red->data.file_redirection.op == AST_REDIR_INPUT_OUTPUT
|| red->data.file_redirection.op == AST_REDIR_OUTPUT_CLOBBER)
return (ERROR);
}
if (red->kind == AST_HEREDOC_REDIRECTION)
{
if (red->data.heredoc_redirection.op == AST_REDIR_HEREDOC)
{
if (info.stdout != NULL)
close_fd(info.stdout);
info.stdout = NULL;
if (create_pipe(&heredoc_pipe))
return (ERROR);
put_string_fd(heredoc_pipe.write,
red->data.heredoc_redirection.content);
close_fd(heredoc_pipe.write);
info.stdin = heredoc_pipe.read;
}
if (red->data.heredoc_redirection.op == AST_REDIR_HEREDOC_INDENT)
return (ERROR);
}
i++;
}
vec_str_free(filename_args);
forked = fork();
if (forked == 0)
{
if (info.ret_stdout != NULL)
close_fd(info.ret_stdout);
if (info.stdin != NULL)
(dup2(info.stdin->fd, 0), close_fd(info.stdin));
if (info.stdout != NULL)
(dup2(info.stdout->fd, 1), close_fd(info.stdout));
if (info.stderr != NULL)
(dup2(info.stderr->fd, 2), close_fd(info.stderr));
i = 0;
code = 0;
while (i < subshell->body.len)
{
if (_run_get_exit_code(subshell->body.buffer[i], state, &code))
me_exit(127);
i++;
}
me_exit(code);
}
if (forked == -1)
return (ERROR);
out->exit = -1;
out->pid = forked;
if (info.stdin != NULL)
(dup2(info.stdin->fd, 0), close_fd(info.stdin));
if (info.stdout != NULL)
(dup2(info.stdout->fd, 1), close_fd(info.stdout));
if (info.stderr != NULL)
(dup2(info.stderr->fd, 2), close_fd(info.stderr));
if (cmd_pipe.create_output || cmd_pipe.input != NULL)
return (out->stdout = info.ret_stdout, NO_ERROR);
if (waitpid(forked, &status, 0) == -1)
return (ERROR);
if (WIFEXITED(status))
out->exit = WEXITSTATUS(status);
if (WIFSIGNALED(status))
out->exit = WTERMSIG(status);
return (NO_ERROR);
}

29
exec/src/run_ast/run_words.c Normal file
View file

@ -0,0 +1,29 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* run_words.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/09/14 12:11:48 by maiboyer #+# #+# */
/* Updated: 2024/09/14 12:23:38 by maiboyer ### ########.fr */
/* */
/* ************************************************************************** */
#include "exec/_run_ast.h"
t_error run_word(t_ast_word *word, t_state *state, t_word_result *out)
{
t_word_iterator iter_state;
if (word == NULL || state == NULL || out == NULL)
return (ERROR);
iter_state.res.value = vec_estr_new(64, free_expandable_str);
iter_state.res.has_error = false;
iter_state.res.kind = word->kind;
iter_state.state = state;
vec_ast_iter(&word->inner, (void (*)())_run_word_into_str, &iter_state);
if (iter_state.res.has_error)
return (vec_estr_free(iter_state.res.value), ERROR);
return (*out = iter_state.res, NO_ERROR);
}

1
flake.nix
View file

@ -30,6 +30,7 @@
coreutils
generic_c.packages.${system}.default
python312
tree
]
++ (
if system == "x86_64-linux"