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Imported from ../bash-4.0-rc1.tar.gz.

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This commit is contained in:
Jari Aalto 2009-01-12 13:36:28 +00:00
commit 3185942a52
666 changed files with 188710 additions and 54674 deletions
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60
command.h
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@ -1,23 +1,23 @@
/* command.h -- The structures used internally to represent commands, and
the extern declarations of the functions used to create them. */
/* Copyright (C) 1993-2005 Free Software Foundation, Inc.
/* Copyright (C) 1993-2009 Free Software Foundation, Inc.
This file is part of GNU Bash, the Bourne Again SHell.
Bash is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2, or (at your option) any later
version.
Bash is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Bash is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
Bash is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with Bash; see the file COPYING. If not, write to the Free Software
Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
You should have received a copy of the GNU General Public License
along with Bash. If not, see <http://www.gnu.org/licenses/>.
*/
#if !defined (_COMMAND_H_)
#define _COMMAND_H_
@ -31,7 +31,8 @@ enum r_instruction {
r_duplicating_input, r_duplicating_output, r_deblank_reading_until,
r_close_this, r_err_and_out, r_input_output, r_output_force,
r_duplicating_input_word, r_duplicating_output_word,
r_move_input, r_move_output, r_move_input_word, r_move_output_word
r_move_input, r_move_output, r_move_input_word, r_move_output_word,
r_append_err_and_out
};
/* Redirection errors. */
@ -44,7 +45,7 @@ enum r_instruction {
(ri == r_output_direction || ri == r_err_and_out)
#define OUTPUT_REDIRECT(ri) \
(ri == r_output_direction || ri == r_input_output || ri == r_err_and_out)
(ri == r_output_direction || ri == r_input_output || ri == r_err_and_out || ri == r_append_err_and_out)
#define INPUT_REDIRECT(ri) \
(ri == r_input_direction || ri == r_inputa_direction || ri == r_input_output)
@ -54,6 +55,7 @@ enum r_instruction {
ri == r_input_output || \
ri == r_err_and_out || \
ri == r_appending_to || \
ri == r_append_err_and_out || \
ri == r_output_force)
/* redirection needs translation */
@ -64,7 +66,7 @@ enum r_instruction {
/* Command Types: */
enum command_type { cm_for, cm_case, cm_while, cm_if, cm_simple, cm_select,
cm_connection, cm_function_def, cm_until, cm_group,
cm_arith, cm_cond, cm_arith_for, cm_subshell };
cm_arith, cm_cond, cm_arith_for, cm_subshell, cm_coproc };
/* Possible values for the `flags' field of a WORD_DESC. */
#define W_HASDOLLAR 0x000001 /* Dollar sign present. */
@ -88,6 +90,8 @@ enum command_type { cm_for, cm_case, cm_while, cm_if, cm_simple, cm_select,
#define W_HASQUOTEDNULL 0x040000 /* word contains a quoted null character */
#define W_DQUOTE 0x080000 /* word should be treated as if double-quoted */
#define W_NOPROCSUB 0x100000 /* don't perform process substitution */
#define W_HASCTLESC 0x200000 /* word contains literal CTLESC characters */
#define W_ASSIGNASSOC 0x400000 /* word looks like associative array assignment */
/* Possible values for subshell_environment */
#define SUBSHELL_ASYNC 0x01 /* subshell caused by `command &' */
@ -95,6 +99,8 @@ enum command_type { cm_for, cm_case, cm_while, cm_if, cm_simple, cm_select,
#define SUBSHELL_COMSUB 0x04 /* subshell caused by `command` or $(command) */
#define SUBSHELL_FORK 0x08 /* subshell caused by executing a disk command */
#define SUBSHELL_PIPE 0x10 /* subshell from a pipeline element */
#define SUBSHELL_PROCSUB 0x20 /* subshell caused by <(command) or >(command) */
#define SUBSHELL_COPROC 0x40 /* subshell from a coproc pipeline */
/* A structure which represents a word. */
typedef struct word_desc {
@ -156,6 +162,7 @@ typedef struct element {
#define CMD_AMPERSAND 0x200 /* command & */
#define CMD_STDIN_REDIR 0x400 /* async command needs implicit </dev/null */
#define CMD_COMMAND_BUILTIN 0x0800 /* command executed by `command' builtin */
#define CMD_COPROC_SUBSHELL 0x1000
/* What a command looks like. */
typedef struct command {
@ -185,6 +192,7 @@ typedef struct command {
struct arith_for_com *ArithFor;
#endif
struct subshell_com *Subshell;
struct coproc_com *Coproc;
} value;
} COMMAND;
@ -198,6 +206,10 @@ typedef struct connection {
/* Structures used to represent the CASE command. */
/* Values for FLAGS word in a PATTERN_LIST */
#define CASEPAT_FALLTHROUGH 0x01
#define CASEPAT_TESTNEXT 0x02
/* Pattern/action structure for CASE_COM. */
typedef struct pattern_list {
struct pattern_list *next; /* Clause to try in case this one failed. */
@ -322,7 +334,25 @@ typedef struct subshell_com {
COMMAND *command;
} SUBSHELL_COM;
typedef struct coproc {
char *c_name;
pid_t c_pid;
int c_rfd;
int c_wfd;
int c_rsave;
int c_wsave;
int c_flags;
int c_status;
} Coproc;
typedef struct coproc_com {
int flags;
char *name;
COMMAND *command;
} COPROC_COM;
extern COMMAND *global_command;
extern Coproc sh_coproc;
/* Possible command errors */
#define CMDERR_DEFAULT 0