bin/bash/make_cmd.c

38 #include "command.h"
348 make_group_command (command)
349      COMMAND *command;
354   temp->command = command;
436   COMMAND *command;
439   command = (COMMAND *)xmalloc (sizeof (COMMAND));
440   command->value.Arith = temp = (ARITH_COM *)xmalloc (sizeof (ARITH_COM));
446   command->type = cm_arith;
447   command->redirects = (REDIRECT *)NULL;
448   command->flags = 0;
450   return (command);
483   COMMAND *command;
485   command = (COMMAND *)xmalloc (sizeof (COMMAND));
486   command->value.Cond = cond_node;
488   command->type = cm_cond;
489   command->redirects = (REDIRECT *)NULL;
490   command->flags = 0;
491   command->line = cond_node ? cond_node->line : 0;
493   return (command);
503   COMMAND *command;
506   command = (COMMAND *)xmalloc (sizeof (COMMAND));
507   command->value.Simple = temp = (SIMPLE_COM *)xmalloc (sizeof (SIMPLE_COM));
514   command->type = cm_simple;
515   command->redirects = (REDIRECT *)NULL;
516   command->flags = 0;
518   return (command);
521 /* Return a command which is the connection of the word or redirection
522    in ELEMENT, and the command * or NULL in COMMAND. */
524 make_simple_command (element, command)
526      COMMAND *command;
528   /* If we are starting from scratch, then make the initial command
531   if (!command)
532     command = make_bare_simple_command ();
535     command->value.Simple->words = make_word_list (element.word, command->value.Simple->words);
544       r->next = command->value.Simple->redirects;
545       command->value.Simple->redirects = element.redirect;
547   return (command);
754 make_function_def (name, command, lineno, lstart)
756      COMMAND *command;
766   temp->command = command;
770   command->line = lstart;
788 make_subshell_command (command)
789      COMMAND *command;
794   temp->command = command;
800 make_coproc_command (name, command)
802      COMMAND *command;
808   temp->command = command;
813 /* Reverse the word list and redirection list in the simple command
817 clean_simple_command (command)
818      COMMAND *command;
820   if (command->type != cm_simple)
821     command_error ("clean_simple_command", CMDERR_BADTYPE, command->type, 0);
824       command->value.Simple->words =
825 	REVERSE_LIST (command->value.Simple->words, WORD_LIST *);
826       command->value.Simple->redirects =
827 	REVERSE_LIST (command->value.Simple->redirects, REDIRECT *);
830   return (command);
834    list followed by an ampersand (`&') and do a simple command connection,
836    the last command.  This means that when the list is executed, all
839    up.  This function takes the `&' and applies it to the last command
843 connect_async_list (command, command2, connector)
844      COMMAND *command, *command2;
849   t1 = command;
850   t = command->value.Connection->second;
852   if (!t || (command->flags & CMD_WANT_SUBSHELL) ||
853       command->value.Connection->connector != ';')
855       t = command_connect (command, command2, connector);
860      will generally hand this function a command where t points directly
861      to the command we want (e.g. given a ; b ; c ; d &, t1 will point
872   /* Now we have t pointing to the last command in the list, and
876   return command;