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-rw-r--r--print_cmd.c110
1 files changed, 90 insertions, 20 deletions
diff --git a/print_cmd.c b/print_cmd.c
index 4724701..51cebf1 100644
--- a/print_cmd.c
+++ b/print_cmd.c
@@ -5,7 +5,7 @@ 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 1, or (at your option) any later
+Software Foundation; either version 2, or (at your option) any later
version.
Bash is distributed in the hope that it will be useful, but WITHOUT ANY
@@ -15,7 +15,7 @@ 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, 675 Mass Ave, Cambridge, MA 02139, USA. */
+Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
#include "config.h"
@@ -84,6 +84,9 @@ static void print_arith_command ();
static void print_cond_node ();
static void print_cond_command ();
#endif
+#if defined (ARITH_FOR_COMMAND)
+static void print_arith_for_command ();
+#endif
#define PRINTED_COMMAND_INITIAL_SIZE 64
#define PRINTED_COMMAND_GROW_SIZE 128
@@ -137,9 +140,6 @@ make_command_string_internal (command)
else
indent (indentation);
- if (command->flags & CMD_WANT_SUBSHELL)
- cprintf ("( ");
-
if (command->flags & CMD_TIME_PIPELINE)
{
cprintf ("time ");
@@ -156,6 +156,12 @@ make_command_string_internal (command)
print_for_command (command->value.For);
break;
+#if defined (ARITH_FOR_COMMAND)
+ case cm_arith_for:
+ print_arith_for_command (command->value.ArithFor);
+ break;
+#endif
+
#if defined (SELECT_COMMAND)
case cm_select:
print_select_command (command->value.Select);
@@ -259,13 +265,18 @@ make_command_string_internal (command)
print_group_command (command->value.Group);
break;
+ case cm_subshell:
+ cprintf ("( ");
+ skip_this_indent++;
+ make_command_string_internal (command->value.Subshell->command);
+ cprintf (" )");
+ break;
+
default:
command_error ("print_command", CMDERR_BADTYPE, command->type, 0);
break;
}
- if (command->flags & CMD_WANT_SUBSHELL)
- cprintf (" )");
if (command->redirects)
{
@@ -344,6 +355,27 @@ print_for_command (for_command)
newline ("done");
}
+#if defined (ARITH_FOR_COMMAND)
+static void
+print_arith_for_command (arith_for_command)
+ ARITH_FOR_COM *arith_for_command;
+{
+ cprintf ("for (( ");
+ command_print_word_list (arith_for_command->init, " ");
+ cprintf (" ; ");
+ command_print_word_list (arith_for_command->test, " ");
+ cprintf (" ; ");
+ command_print_word_list (arith_for_command->step, " ");
+ cprintf (" ))");
+ newline ("do\n");
+ indentation += indentation_amount;
+ make_command_string_internal (arith_for_command->action);
+ semicolon ();
+ indentation -= indentation_amount;
+ newline ("done");
+}
+#endif /* ARITH_FOR_COMMAND */
+
#if defined (SELECT_COMMAND)
static void
print_select_command (select_command)
@@ -492,6 +524,7 @@ print_arith_command (arith_command)
command_print_word_list (arith_command->exp, " ");
cprintf (" ))");
}
+#endif
#if defined (COND_COMMAND)
static void
@@ -586,6 +619,7 @@ xtrace_print_cond_term (type, invert, op, arg1, arg2)
}
#endif /* COND_COMMAND */
+#if defined (DPAREN_ARITHMETIC) || defined (ARITH_FOR_COMMAND)
/* A function to print the words of an arithmetic command when set -x is on. */
void
xtrace_print_arith_cmd (list)
@@ -768,6 +802,9 @@ static void
print_function_def (func)
FUNCTION_DEF *func;
{
+ COMMAND *cmdcopy;
+ REDIRECT *func_redirects;
+
cprintf ("function %s () \n", func->name->word);
add_unwind_protect (reset_locals, 0);
@@ -777,15 +814,31 @@ print_function_def (func)
inside_function_def++;
indentation += indentation_amount;
- make_command_string_internal (func->command->type == cm_group
- ? func->command->value.Group->command
- : func->command);
+ func_redirects = (REDIRECT *)NULL;
+ cmdcopy = copy_command (func->command);
+ if (cmdcopy->type == cm_group)
+ {
+ func_redirects = cmdcopy->value.Group->command->redirects;
+ cmdcopy->value.Group->command->redirects = (REDIRECT *)NULL;
+ }
+ make_command_string_internal (cmdcopy->type == cm_group
+ ? cmdcopy->value.Group->command
+ : cmdcopy);
remove_unwind_protect ();
indentation -= indentation_amount;
inside_function_def--;
- newline ("}");
+ if (func_redirects)
+ { /* { */
+ newline ("} ");
+ print_redirection_list (func_redirects);
+ cmdcopy->value.Group->command->redirects = func_redirects;
+ }
+ else
+ newline ("}");
+
+ dispose_command (cmdcopy);
}
/* Return the string representation of the named function.
@@ -801,6 +854,8 @@ named_function_string (name, command, multi_line)
{
char *result;
int old_indent, old_amount;
+ COMMAND *cmdcopy;
+ REDIRECT *func_redirects;
old_indent = indentation;
old_amount = indentation_amount;
@@ -826,15 +881,31 @@ named_function_string (name, command, multi_line)
cprintf (multi_line ? "{ \n" : "{ ");
- make_command_string_internal (command->type == cm_group
- ? command->value.Group->command
- : command);
+ cmdcopy = copy_command (command);
+ /* Take any redirections specified in the function definition (which should
+ apply to the function as a whole) and save them for printing later. */
+ func_redirects = (REDIRECT *)NULL;
+ if (cmdcopy->type == cm_group)
+ {
+ func_redirects = cmdcopy->value.Group->command->redirects;
+ cmdcopy->value.Group->command->redirects = (REDIRECT *)NULL;
+ }
+ make_command_string_internal (cmdcopy->type == cm_group
+ ? cmdcopy->value.Group->command
+ : cmdcopy);
indentation = old_indent;
indentation_amount = old_amount;
inside_function_def--;
- newline ("}");
+ if (func_redirects)
+ { /* { */
+ newline ("} ");
+ print_redirection_list (func_redirects);
+ cmdcopy->value.Group->command->redirects = func_redirects;
+ }
+ else
+ newline ("}");
result = the_printed_command;
@@ -854,6 +925,8 @@ named_function_string (name, command, multi_line)
#endif
}
+ dispose_command (cmdcopy);
+
return (result);
}
@@ -1068,14 +1141,11 @@ the_printed_command_resize (length)
{
int new;
new = command_string_index + length + 1;
-#if 1
+
/* Round up to the next multiple of PRINTED_COMMAND_GROW_SIZE. */
new = (new + PRINTED_COMMAND_GROW_SIZE - 1) & ~(PRINTED_COMMAND_GROW_SIZE - 1);
-#else
- new = new + 2 * PRINTED_COMMAND_GROW_SIZE - 1;
- new -= new % PRINTED_COMMAND_GROW_SIZE;
-#endif
the_printed_command_size = new;
+
the_printed_command = xrealloc (the_printed_command, the_printed_command_size);
}
}