2003-08-16 Andrew Cagney <cagney@redhat.com>
* NEWS: Mention that "set prompt-escape-char" was deleted. * top.c (get_prompt_1): Delete function. (gdb_prompt_escape): (init_main): Do not clear "gdb_prompt_escape". Delete "set prompt-escape-char" command. (MAX_PROMPT_SIZE): Delete macro. (get_prompt): Simplify, do not call get_prompt_1.
This commit is contained in:
Andrew Cagney
parent
4677b45628
commit
7989c619f9
@ -1,3 +1,13 @@
|
||||
2003-08-16 Andrew Cagney <cagney@redhat.com>
|
||||
|
||||
* NEWS: Mention that "set prompt-escape-char" was deleted.
|
||||
* top.c (get_prompt_1): Delete function.
|
||||
(gdb_prompt_escape):
|
||||
(init_main): Do not clear "gdb_prompt_escape". Delete "set
|
||||
prompt-escape-char" command.
|
||||
(MAX_PROMPT_SIZE): Delete macro.
|
||||
(get_prompt): Simplify, do not call get_prompt_1.
|
||||
|
||||
2003-08-16 Andrew Cagney <cagney@redhat.com>
|
||||
|
||||
* Makefile.in (printcmd.o, valprint.o): Do not try to build with
|
||||
|
||||
6
gdb/NEWS
6
gdb/NEWS
@ -3,6 +3,12 @@
|
||||
|
||||
*** Changes since GDB 6.0:
|
||||
|
||||
* "set prompt-escape-char" command deleted.
|
||||
|
||||
The command "set prompt-escape-char" has been deleted. This command,
|
||||
and its very obscure effet on GDB's prompt, was never documented,
|
||||
tested, nor mentioned in the NEWS file.
|
||||
|
||||
*** Changes in GDB 6.0:
|
||||
|
||||
* GDB supports logging output to a file
|
||||
|
||||
268
gdb/top.c
268
gdb/top.c
@ -1388,267 +1388,13 @@ There is absolutely no warranty for GDB. Type \"show warranty\" for details.\n"
|
||||
|
||||
/* get_prompt: access method for the GDB prompt string. */
|
||||
|
||||
#define MAX_PROMPT_SIZE 256
|
||||
|
||||
/*
|
||||
* int get_prompt_1 (char * buf);
|
||||
*
|
||||
* Work-horse for get_prompt (called via catch_errors).
|
||||
* Argument is buffer to hold the formatted prompt.
|
||||
*
|
||||
* Returns: 1 for success (use formatted prompt)
|
||||
* 0 for failure (use gdb_prompt_string).
|
||||
*/
|
||||
|
||||
static int gdb_prompt_escape;
|
||||
|
||||
static int
|
||||
get_prompt_1 (void *data)
|
||||
{
|
||||
char *formatted_prompt = data;
|
||||
char *local_prompt;
|
||||
|
||||
if (event_loop_p)
|
||||
local_prompt = PROMPT (0);
|
||||
else
|
||||
local_prompt = gdb_prompt_string;
|
||||
|
||||
|
||||
if (gdb_prompt_escape == 0)
|
||||
{
|
||||
return 0; /* do no formatting */
|
||||
}
|
||||
else
|
||||
/* formatted prompt */
|
||||
{
|
||||
char fmt[40], *promptp, *outp, *tmp;
|
||||
struct value *arg_val;
|
||||
DOUBLEST doubleval;
|
||||
LONGEST longval;
|
||||
CORE_ADDR addrval;
|
||||
|
||||
int i, len;
|
||||
struct type *arg_type, *elt_type;
|
||||
|
||||
promptp = local_prompt;
|
||||
outp = formatted_prompt;
|
||||
|
||||
while (*promptp != '\0')
|
||||
{
|
||||
int available = MAX_PROMPT_SIZE - (outp - formatted_prompt) - 1;
|
||||
|
||||
if (*promptp != gdb_prompt_escape)
|
||||
{
|
||||
if (available >= 1) /* overflow protect */
|
||||
*outp++ = *promptp++;
|
||||
}
|
||||
else
|
||||
{
|
||||
/* GDB prompt string contains escape char. Parse for arg.
|
||||
Two consecutive escape chars followed by arg followed by
|
||||
a comma means to insert the arg using a default format.
|
||||
Otherwise a printf format string may be included between
|
||||
the two escape chars. eg:
|
||||
%%foo, insert foo using default format
|
||||
%2.2f%foo, insert foo using "%2.2f" format
|
||||
A mismatch between the format string and the data type
|
||||
of "foo" is an error (which we don't know how to protect
|
||||
against). */
|
||||
|
||||
fmt[0] = '\0'; /* assume null format string */
|
||||
if (promptp[1] == gdb_prompt_escape) /* double esc char */
|
||||
{
|
||||
promptp += 2; /* skip past two escape chars. */
|
||||
}
|
||||
else
|
||||
{
|
||||
/* extract format string from between two esc chars */
|
||||
i = 0;
|
||||
do
|
||||
{
|
||||
fmt[i++] = *promptp++; /* copy format string */
|
||||
}
|
||||
while (i < sizeof (fmt) - 1 &&
|
||||
*promptp != gdb_prompt_escape &&
|
||||
*promptp != '\0');
|
||||
|
||||
if (*promptp != gdb_prompt_escape)
|
||||
error ("Syntax error at prompt position %d",
|
||||
(int) (promptp - local_prompt));
|
||||
else
|
||||
{
|
||||
promptp++; /* skip second escape char */
|
||||
fmt[i++] = '\0'; /* terminate the format string */
|
||||
}
|
||||
}
|
||||
|
||||
arg_val = parse_to_comma_and_eval (&promptp);
|
||||
if (*promptp == ',')
|
||||
promptp++; /* skip past the comma */
|
||||
arg_type = check_typedef (VALUE_TYPE (arg_val));
|
||||
switch (TYPE_CODE (arg_type))
|
||||
{
|
||||
case TYPE_CODE_ARRAY:
|
||||
elt_type = check_typedef (TYPE_TARGET_TYPE (arg_type));
|
||||
if (TYPE_LENGTH (arg_type) > 0 &&
|
||||
TYPE_LENGTH (elt_type) == 1 &&
|
||||
TYPE_CODE (elt_type) == TYPE_CODE_INT)
|
||||
{
|
||||
int len = TYPE_LENGTH (arg_type);
|
||||
|
||||
if (VALUE_LAZY (arg_val))
|
||||
value_fetch_lazy (arg_val);
|
||||
tmp = VALUE_CONTENTS (arg_val);
|
||||
|
||||
if (len > available)
|
||||
len = available; /* overflow protect */
|
||||
|
||||
/* FIXME: how to protect GDB from crashing
|
||||
from bad user-supplied format string? */
|
||||
if (fmt[0] != 0)
|
||||
sprintf (outp, fmt, tmp);
|
||||
else
|
||||
strncpy (outp, tmp, len);
|
||||
outp[len] = '\0';
|
||||
}
|
||||
break;
|
||||
case TYPE_CODE_PTR:
|
||||
elt_type = check_typedef (TYPE_TARGET_TYPE (arg_type));
|
||||
addrval = value_as_address (arg_val);
|
||||
|
||||
if (TYPE_LENGTH (elt_type) == 1 &&
|
||||
TYPE_CODE (elt_type) == TYPE_CODE_INT &&
|
||||
addrval != 0)
|
||||
{
|
||||
/* display it as a string */
|
||||
char *default_fmt = "%s";
|
||||
char *tmp;
|
||||
int err = 0;
|
||||
|
||||
/* Limiting the number of bytes that the following call
|
||||
will read protects us from sprintf overflow later. */
|
||||
i = target_read_string (addrval, /* src */
|
||||
&tmp, /* dest */
|
||||
available, /* len */
|
||||
&err);
|
||||
if (err) /* read failed */
|
||||
error ("%s on target_read", safe_strerror (err));
|
||||
|
||||
tmp[i] = '\0'; /* force-terminate string */
|
||||
/* FIXME: how to protect GDB from crashing
|
||||
from bad user-supplied format string? */
|
||||
sprintf (outp, fmt[0] == 0 ? default_fmt : fmt,
|
||||
tmp);
|
||||
xfree (tmp);
|
||||
}
|
||||
else
|
||||
{
|
||||
/* display it as a pointer */
|
||||
char *default_fmt = "0x%x";
|
||||
|
||||
/* FIXME: how to protect GDB from crashing
|
||||
from bad user-supplied format string? */
|
||||
if (available >= 16 /*? */ ) /* overflow protect */
|
||||
sprintf (outp, fmt[0] == 0 ? default_fmt : fmt,
|
||||
(long) addrval);
|
||||
}
|
||||
break;
|
||||
case TYPE_CODE_FLT:
|
||||
{
|
||||
char *default_fmt = "%g";
|
||||
|
||||
doubleval = value_as_double (arg_val);
|
||||
/* FIXME: how to protect GDB from crashing
|
||||
from bad user-supplied format string? */
|
||||
if (available >= 16 /*? */ ) /* overflow protect */
|
||||
sprintf (outp, fmt[0] == 0 ? default_fmt : fmt,
|
||||
(double) doubleval);
|
||||
break;
|
||||
}
|
||||
case TYPE_CODE_INT:
|
||||
{
|
||||
char *default_fmt = "%d";
|
||||
|
||||
longval = value_as_long (arg_val);
|
||||
/* FIXME: how to protect GDB from crashing
|
||||
from bad user-supplied format string? */
|
||||
if (available >= 16 /*? */ ) /* overflow protect */
|
||||
sprintf (outp, fmt[0] == 0 ? default_fmt : fmt,
|
||||
(long) longval);
|
||||
break;
|
||||
}
|
||||
case TYPE_CODE_BOOL:
|
||||
{
|
||||
/* no default format for bool */
|
||||
longval = value_as_long (arg_val);
|
||||
if (available >= 8 /*? */ ) /* overflow protect */
|
||||
{
|
||||
if (longval)
|
||||
strcpy (outp, "<true>");
|
||||
else
|
||||
strcpy (outp, "<false>");
|
||||
}
|
||||
break;
|
||||
}
|
||||
case TYPE_CODE_ENUM:
|
||||
{
|
||||
/* no default format for enum */
|
||||
longval = value_as_long (arg_val);
|
||||
len = TYPE_NFIELDS (arg_type);
|
||||
/* find enum name if possible */
|
||||
for (i = 0; i < len; i++)
|
||||
if (TYPE_FIELD_BITPOS (arg_type, i) == longval)
|
||||
break; /* match -- end loop */
|
||||
|
||||
if (i < len) /* enum name found */
|
||||
{
|
||||
char *name = TYPE_FIELD_NAME (arg_type, i);
|
||||
|
||||
strncpy (outp, name, available);
|
||||
/* in casel available < strlen (name), */
|
||||
outp[available] = '\0';
|
||||
}
|
||||
else
|
||||
{
|
||||
if (available >= 16 /*? */ ) /* overflow protect */
|
||||
sprintf (outp, "%ld", (long) longval);
|
||||
}
|
||||
break;
|
||||
}
|
||||
case TYPE_CODE_VOID:
|
||||
*outp = '\0';
|
||||
break; /* void type -- no output */
|
||||
default:
|
||||
error ("bad data type at prompt position %d",
|
||||
(int) (promptp - local_prompt));
|
||||
break;
|
||||
}
|
||||
outp += strlen (outp);
|
||||
}
|
||||
}
|
||||
*outp++ = '\0'; /* terminate prompt string */
|
||||
return 1;
|
||||
}
|
||||
}
|
||||
|
||||
char *
|
||||
get_prompt (void)
|
||||
{
|
||||
static char buf[MAX_PROMPT_SIZE];
|
||||
|
||||
if (catch_errors (get_prompt_1, buf, "bad formatted prompt: ",
|
||||
RETURN_MASK_ALL))
|
||||
{
|
||||
return &buf[0]; /* successful formatted prompt */
|
||||
}
|
||||
if (event_loop_p)
|
||||
return PROMPT (0);
|
||||
else
|
||||
{
|
||||
/* Prompt could not be formatted. */
|
||||
if (event_loop_p)
|
||||
return PROMPT (0);
|
||||
else
|
||||
return gdb_prompt_string;
|
||||
}
|
||||
return gdb_prompt_string;
|
||||
}
|
||||
|
||||
void
|
||||
@ -1946,7 +1692,6 @@ init_main (void)
|
||||
if (annotation_level > 1)
|
||||
set_async_annotation_level (NULL, 0, NULL);
|
||||
}
|
||||
gdb_prompt_escape = 0; /* default to none. */
|
||||
|
||||
/* Set the important stuff up for command editing. */
|
||||
command_editing_p = 1;
|
||||
@ -1986,13 +1731,6 @@ init_main (void)
|
||||
set_cmd_sfunc (c, set_async_prompt);
|
||||
}
|
||||
|
||||
add_show_from_set
|
||||
(add_set_cmd ("prompt-escape-char", class_support, var_zinteger,
|
||||
(char *) &gdb_prompt_escape,
|
||||
"Set escape character for formatting of gdb's prompt",
|
||||
&setlist),
|
||||
&showlist);
|
||||
|
||||
add_com ("dont-repeat", class_support, dont_repeat_command, "Don't repeat this command.\n\
|
||||
Primarily used inside of user-defined commands that should not be repeated when\n\
|
||||
hitting return.");
|
||||
|
||||
Loading…
Reference in New Issue
Block a user