[deliverable/binutils-gdb.git] / gdb / mi / mi-cmd-stack.c

/* MI Command Set - stack commands.
   Copyright 2000, 2002, 2003, 2004 Free Software Foundation, Inc.
   Contributed by Cygnus Solutions (a Red Hat company).

   This file is part of GDB.

   This program 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 of the License, or
   (at your option) any later version.

   This program 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 this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */

#include "defs.h"
#include "target.h"
#include "frame.h"
#include "value.h"
#include "mi-cmds.h"
#include "ui-out.h"
#include "symtab.h"
#include "block.h"
#include "stack.h"
#include "dictionary.h"
#include "gdb_string.h"

static void list_args_or_locals (int locals, int values, struct frame_info *fi);

/* Print a list of the stack frames. Args can be none, in which case
   we want to print the whole backtrace, or a pair of numbers
   specifying the frame numbers at which to start and stop the
   display. If the two numbers are equal, a single frame will be
   displayed. */
enum mi_cmd_result
mi_cmd_stack_list_frames (char *command, char **argv, int argc)
{
  int frame_low;
  int frame_high;
  int i;
  struct cleanup *cleanup_stack;
  struct frame_info *fi;

  if (!target_has_stack)
    error ("mi_cmd_stack_list_frames: No stack.");

  if (argc > 2 || argc == 1)
    error ("mi_cmd_stack_list_frames: Usage: [FRAME_LOW FRAME_HIGH]");

  if (argc == 2)
    {
      frame_low = atoi (argv[0]);
      frame_high = atoi (argv[1]);
    }
  else
    {
      /* Called with no arguments, it means we want the whole
         backtrace. */
      frame_low = -1;
      frame_high = -1;
    }

  /* Let's position fi on the frame at which to start the
     display. Could be the innermost frame if the whole stack needs
     displaying, or if frame_low is 0. */
  for (i = 0, fi = get_current_frame ();
       fi && i < frame_low;
       i++, fi = get_prev_frame (fi));

  if (fi == NULL)
    error ("mi_cmd_stack_list_frames: Not enough frames in stack.");

  cleanup_stack = make_cleanup_ui_out_list_begin_end (uiout, "stack");

  /* Now let;s print the frames up to frame_high, or until there are
     frames in the stack. */
  for (;
       fi && (i <= frame_high || frame_high == -1);
       i++, fi = get_prev_frame (fi))
    {
      QUIT;
      /* level == i: always print the level 'i'
         source == LOC_AND_ADDRESS: print the location and the address 
         always, even for level 0.
         args == 0: don't print the arguments. */
      print_frame_info (fi /* frame info */ ,
			i /* level */ ,
			LOC_AND_ADDRESS /* source */ ,
			0 /* args */ );
    }

  do_cleanups (cleanup_stack);
  if (i < frame_high)
    error ("mi_cmd_stack_list_frames: Not enough frames in stack.");

  return MI_CMD_DONE;
}

enum mi_cmd_result
mi_cmd_stack_info_depth (char *command, char **argv, int argc)
{
  int frame_high;
  int i;
  struct frame_info *fi;

  if (!target_has_stack)
    error ("mi_cmd_stack_info_depth: No stack.");

  if (argc > 1)
    error ("mi_cmd_stack_info_depth: Usage: [MAX_DEPTH]");

  if (argc == 1)
    frame_high = atoi (argv[0]);
  else
    /* Called with no arguments, it means we want the real depth of
       the stack. */
    frame_high = -1;

  for (i = 0, fi = get_current_frame ();
       fi && (i < frame_high || frame_high == -1);
       i++, fi = get_prev_frame (fi))
    QUIT;

  ui_out_field_int (uiout, "depth", i);

  return MI_CMD_DONE;
}

/* Print a list of the locals for the current frame. With argument of
   0, print only the names, with argument of 1 print also the
   values. */
enum mi_cmd_result
mi_cmd_stack_list_locals (char *command, char **argv, int argc)
{
  struct frame_info *frame;
  enum print_values print_values;

  if (argc != 1)
    error ("mi_cmd_stack_list_locals: Usage: PRINT_VALUES");

   frame = get_selected_frame ();

   if (strcmp (argv[0], "0") == 0
       || strcmp (argv[0], "--no-values") == 0)
     print_values = PRINT_NO_VALUES;
   else if (strcmp (argv[0], "1") == 0
	    || strcmp (argv[0], "--all-values") == 0)
     print_values = PRINT_ALL_VALUES;
   else if (strcmp (argv[0], "2") == 0
	    || strcmp (argv[0], "--simple-values") == 0)
     print_values = PRINT_SIMPLE_VALUES;
   else
     error ("Unknown value for PRINT_VALUES: must be: 0 or \"--no-values\", 1 or \"--all-values\", 2 or \"--simple-values\"");
  list_args_or_locals (1, print_values, frame);
  return MI_CMD_DONE;
}

/* Print a list of the arguments for the current frame. With argument
   of 0, print only the names, with argument of 1 print also the
   values. */
enum mi_cmd_result
mi_cmd_stack_list_args (char *command, char **argv, int argc)
{
  int frame_low;
  int frame_high;
  int i;
  struct frame_info *fi;
  struct cleanup *cleanup_stack_args;

  if (argc < 1 || argc > 3 || argc == 2)
    error ("mi_cmd_stack_list_args: Usage: PRINT_VALUES [FRAME_LOW FRAME_HIGH]");

  if (argc == 3)
    {
      frame_low = atoi (argv[1]);
      frame_high = atoi (argv[2]);
    }
  else
    {
      /* Called with no arguments, it means we want args for the whole
         backtrace. */
      frame_low = -1;
      frame_high = -1;
    }

  /* Let's position fi on the frame at which to start the
     display. Could be the innermost frame if the whole stack needs
     displaying, or if frame_low is 0. */
  for (i = 0, fi = get_current_frame ();
       fi && i < frame_low;
       i++, fi = get_prev_frame (fi));

  if (fi == NULL)
    error ("mi_cmd_stack_list_args: Not enough frames in stack.");

  cleanup_stack_args = make_cleanup_ui_out_list_begin_end (uiout, "stack-args");

  /* Now let's print the frames up to frame_high, or until there are
     frames in the stack. */
  for (;
       fi && (i <= frame_high || frame_high == -1);
       i++, fi = get_prev_frame (fi))
    {
      struct cleanup *cleanup_frame;
      QUIT;
      cleanup_frame = make_cleanup_ui_out_tuple_begin_end (uiout, "frame");
      ui_out_field_int (uiout, "level", i);
      list_args_or_locals (0, atoi (argv[0]), fi);
      do_cleanups (cleanup_frame);
    }

  do_cleanups (cleanup_stack_args);
  if (i < frame_high)
    error ("mi_cmd_stack_list_args: Not enough frames in stack.");

  return MI_CMD_DONE;
}

/* Print a list of the locals or the arguments for the currently
   selected frame.  If the argument passed is 0, printonly the names
   of the variables, if an argument of 1 is passed, print the values
   as well. */
static void
list_args_or_locals (int locals, int values, struct frame_info *fi)
{
  struct block *block;
  struct symbol *sym;
  struct dict_iterator iter;
  int nsyms;
  struct cleanup *cleanup_list;
  static struct ui_stream *stb = NULL;
  struct type *type;

  stb = ui_out_stream_new (uiout);

  block = get_frame_block (fi, 0);

  cleanup_list = make_cleanup_ui_out_list_begin_end (uiout, locals ? "locals" : "args");

  while (block != 0)
    {
      ALL_BLOCK_SYMBOLS (block, iter, sym)
	{
          int print_me = 0;

	  switch (SYMBOL_CLASS (sym))
	    {
	    default:
	    case LOC_UNDEF:	/* catches errors        */
	    case LOC_CONST:	/* constant              */
	    case LOC_TYPEDEF:	/* local typedef         */
	    case LOC_LABEL:	/* local label           */
	    case LOC_BLOCK:	/* local function        */
	    case LOC_CONST_BYTES:	/* loc. byte seq.        */
	    case LOC_UNRESOLVED:	/* unresolved static     */
	    case LOC_OPTIMIZED_OUT:	/* optimized out         */
	      print_me = 0;
	      break;

	    case LOC_ARG:	/* argument              */
	    case LOC_REF_ARG:	/* reference arg         */
	    case LOC_REGPARM:	/* register arg          */
	    case LOC_REGPARM_ADDR:	/* indirect register arg */
	    case LOC_LOCAL_ARG:	/* stack arg             */
	    case LOC_BASEREG_ARG:	/* basereg arg           */
	    case LOC_COMPUTED_ARG:	/* arg with computed location */
	      if (!locals)
		print_me = 1;
	      break;

	    case LOC_LOCAL:	/* stack local           */
	    case LOC_BASEREG:	/* basereg local         */
	    case LOC_STATIC:	/* static                */
	    case LOC_REGISTER:	/* register              */
	    case LOC_COMPUTED:	/* computed location     */
	      if (locals)
		print_me = 1;
	      break;
	    }
	  if (print_me)
	    {
	      struct cleanup *cleanup_tuple = NULL;
	      struct symbol *sym2;
	      if (values != PRINT_NO_VALUES)
		cleanup_tuple =
		  make_cleanup_ui_out_tuple_begin_end (uiout, NULL);
	      ui_out_field_string (uiout, "name", SYMBOL_PRINT_NAME (sym));

	      if (!locals)
		sym2 = lookup_symbol (SYMBOL_NATURAL_NAME (sym),
				      block, VAR_DOMAIN,
				      (int *) NULL,
				      (struct symtab **) NULL);
	      else
		    sym2 = sym;
	      switch (values)
		{
		case PRINT_SIMPLE_VALUES:
		  type = check_typedef (sym2->type);
		  type_print (sym2->type, "", stb->stream, -1);
		  ui_out_field_stream (uiout, "type", stb);
		  if (TYPE_CODE (type) != TYPE_CODE_ARRAY
		      && TYPE_CODE (type) != TYPE_CODE_STRUCT
		      && TYPE_CODE (type) != TYPE_CODE_UNION)
		    {
		      print_variable_value (sym2, fi, stb->stream);
		      ui_out_field_stream (uiout, "value", stb);
		    }
		  do_cleanups (cleanup_tuple);
		  break;
		case PRINT_ALL_VALUES:
		  print_variable_value (sym2, fi, stb->stream);
		  ui_out_field_stream (uiout, "value", stb);
		  do_cleanups (cleanup_tuple);
		  break;
		}
	    }
	}
      if (BLOCK_FUNCTION (block))
	break;
      else
	block = BLOCK_SUPERBLOCK (block);
    }
  do_cleanups (cleanup_list);
  ui_out_stream_delete (stb);
}

enum mi_cmd_result
mi_cmd_stack_select_frame (char *command, char **argv, int argc)
{
  if (!target_has_stack)
    error ("mi_cmd_stack_select_frame: No stack.");

  if (argc > 1)
    error ("mi_cmd_stack_select_frame: Usage: [FRAME_SPEC]");

  /* with no args, don't change frame */
  if (argc == 0)
    select_frame_command (0, 1 /* not used */ );
  else
    select_frame_command (argv[0], 1 /* not used */ );
  return MI_CMD_DONE;
}
Commit	Line	Data
fb40c209	1	/* MI Command Set - stack commands.
ad274983	2	Copyright 2000, 2002, 2003, 2004 Free Software Foundation, Inc.
ab91fdd5	3	Contributed by Cygnus Solutions (a Red Hat company).
fb40c209 AC	4
	5	This file is part of GDB.
	6
	7	This program is free software; you can redistribute it and/or modify
	8	it under the terms of the GNU General Public License as published by
	9	the Free Software Foundation; either version 2 of the License, or
	10	(at your option) any later version.
	11
	12	This program is distributed in the hope that it will be useful,
	13	but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	GNU General Public License for more details.
	16
	17	You should have received a copy of the GNU General Public License
	18	along with this program; if not, write to the Free Software
	19	Foundation, Inc., 59 Temple Place - Suite 330,
	20	Boston, MA 02111-1307, USA. */
	21
	22	#include "defs.h"
	23	#include "target.h"
	24	#include "frame.h"
	25	#include "value.h"
	26	#include "mi-cmds.h"
	27	#include "ui-out.h"
e88c90f2	28	#include "symtab.h"
fe898f56	29	#include "block.h"
b9362cc7	30	#include "stack.h"
de4f826b	31	#include "dictionary.h"
f5ec2042	32	#include "gdb_string.h"
fb40c209 AC	33
	34	static void list_args_or_locals (int locals, int values, struct frame_info *fi);
	35
	36	/* Print a list of the stack frames. Args can be none, in which case
	37	we want to print the whole backtrace, or a pair of numbers
	38	specifying the frame numbers at which to start and stop the
	39	display. If the two numbers are equal, a single frame will be
	40	displayed. */
	41	enum mi_cmd_result
	42	mi_cmd_stack_list_frames (char command, char *argv, int argc)
	43	{
	44	int frame_low;
	45	int frame_high;
	46	int i;
6ad4a2cf	47	struct cleanup *cleanup_stack;
fb40c209 AC	48	struct frame_info *fi;
	49
	50	if (!target_has_stack)
	51	error ("mi_cmd_stack_list_frames: No stack.");
	52
	53	if (argc > 2 \|\| argc == 1)
	54	error ("mi_cmd_stack_list_frames: Usage: [FRAME_LOW FRAME_HIGH]");
	55
	56	if (argc == 2)
	57	{
	58	frame_low = atoi (argv[0]);
	59	frame_high = atoi (argv[1]);
	60	}
	61	else
	62	{
	63	/* Called with no arguments, it means we want the whole
	64	backtrace. */
	65	frame_low = -1;
	66	frame_high = -1;
	67	}
	68
	69	/* Let's position fi on the frame at which to start the
	70	display. Could be the innermost frame if the whole stack needs
	71	displaying, or if frame_low is 0. */
	72	for (i = 0, fi = get_current_frame ();
	73	fi && i < frame_low;
	74	i++, fi = get_prev_frame (fi));
	75
	76	if (fi == NULL)
	77	error ("mi_cmd_stack_list_frames: Not enough frames in stack.");
	78
6ad4a2cf	79	cleanup_stack = make_cleanup_ui_out_list_begin_end (uiout, "stack");
fb40c209 AC	80
	81	/* Now let;s print the frames up to frame_high, or until there are
	82	frames in the stack. */
	83	for (;
	84	fi && (i <= frame_high \|\| frame_high == -1);
	85	i++, fi = get_prev_frame (fi))
	86	{
	87	QUIT;
	88	/* level == i: always print the level 'i'
	89	source == LOC_AND_ADDRESS: print the location and the address
	90	always, even for level 0.
	91	args == 0: don't print the arguments. */
	92	print_frame_info (fi /* frame info */ ,
	93	i /* level */ ,
	94	LOC_AND_ADDRESS /* source */ ,
	95	0 /* args */ );
	96	}
	97
6ad4a2cf	98	do_cleanups (cleanup_stack);
fb40c209 AC	99	if (i < frame_high)
	100	error ("mi_cmd_stack_list_frames: Not enough frames in stack.");
	101
	102	return MI_CMD_DONE;
	103	}
	104
	105	enum mi_cmd_result
	106	mi_cmd_stack_info_depth (char command, char *argv, int argc)
	107	{
	108	int frame_high;
	109	int i;
	110	struct frame_info *fi;
	111
	112	if (!target_has_stack)
	113	error ("mi_cmd_stack_info_depth: No stack.");
	114
	115	if (argc > 1)
	116	error ("mi_cmd_stack_info_depth: Usage: [MAX_DEPTH]");
	117
	118	if (argc == 1)
	119	frame_high = atoi (argv[0]);
	120	else
	121	/* Called with no arguments, it means we want the real depth of
	122	the stack. */
	123	frame_high = -1;
	124
	125	for (i = 0, fi = get_current_frame ();
	126	fi && (i < frame_high \|\| frame_high == -1);
	127	i++, fi = get_prev_frame (fi))
	128	QUIT;
	129
	130	ui_out_field_int (uiout, "depth", i);
	131
	132	return MI_CMD_DONE;
	133	}
	134
	135	/* Print a list of the locals for the current frame. With argument of
	136	0, print only the names, with argument of 1 print also the
	137	values. */
	138	enum mi_cmd_result
	139	mi_cmd_stack_list_locals (char command, char *argv, int argc)
	140	{
f5ec2042 NR	141	struct frame_info *frame;
	142	enum print_values print_values;
	143
fb40c209 AC	144	if (argc != 1)
	145	error ("mi_cmd_stack_list_locals: Usage: PRINT_VALUES");
	146
f5ec2042 NR	147	frame = get_selected_frame ();
	148
	149	if (strcmp (argv[0], "0") == 0
	150	\|\| strcmp (argv[0], "--no-values") == 0)
	151	print_values = PRINT_NO_VALUES;
	152	else if (strcmp (argv[0], "1") == 0
	153	\|\| strcmp (argv[0], "--all-values") == 0)
	154	print_values = PRINT_ALL_VALUES;
	155	else if (strcmp (argv[0], "2") == 0
	156	\|\| strcmp (argv[0], "--simple-values") == 0)
	157	print_values = PRINT_SIMPLE_VALUES;
	158	else
	159	error ("Unknown value for PRINT_VALUES: must be: 0 or \"--no-values\", 1 or \"--all-values\", 2 or \"--simple-values\"");
	160	list_args_or_locals (1, print_values, frame);
fb40c209 AC	161	return MI_CMD_DONE;
	162	}
	163
	164	/* Print a list of the arguments for the current frame. With argument
	165	of 0, print only the names, with argument of 1 print also the
	166	values. */
	167	enum mi_cmd_result
	168	mi_cmd_stack_list_args (char command, char *argv, int argc)
	169	{
	170	int frame_low;
	171	int frame_high;
	172	int i;
	173	struct frame_info *fi;
6ad4a2cf	174	struct cleanup *cleanup_stack_args;
fb40c209 AC	175
	176	if (argc < 1 \|\| argc > 3 \|\| argc == 2)
	177	error ("mi_cmd_stack_list_args: Usage: PRINT_VALUES [FRAME_LOW FRAME_HIGH]");
	178
	179	if (argc == 3)
	180	{
	181	frame_low = atoi (argv[1]);
	182	frame_high = atoi (argv[2]);
	183	}
	184	else
	185	{
	186	/* Called with no arguments, it means we want args for the whole
	187	backtrace. */
	188	frame_low = -1;
	189	frame_high = -1;
	190	}
	191
	192	/* Let's position fi on the frame at which to start the
	193	display. Could be the innermost frame if the whole stack needs
	194	displaying, or if frame_low is 0. */
	195	for (i = 0, fi = get_current_frame ();
	196	fi && i < frame_low;
	197	i++, fi = get_prev_frame (fi));
	198
	199	if (fi == NULL)
	200	error ("mi_cmd_stack_list_args: Not enough frames in stack.");
	201
6ad4a2cf	202	cleanup_stack_args = make_cleanup_ui_out_list_begin_end (uiout, "stack-args");
fb40c209 AC	203
	204	/* Now let's print the frames up to frame_high, or until there are
	205	frames in the stack. */
	206	for (;
	207	fi && (i <= frame_high \|\| frame_high == -1);
	208	i++, fi = get_prev_frame (fi))
	209	{
6ad4a2cf	210	struct cleanup *cleanup_frame;
fb40c209	211	QUIT;
6ad4a2cf	212	cleanup_frame = make_cleanup_ui_out_tuple_begin_end (uiout, "frame");
fb40c209 AC	213	ui_out_field_int (uiout, "level", i);
fb40c209 AC	214	list_args_or_locals (0, atoi (argv[0]), fi);
6ad4a2cf	215	do_cleanups (cleanup_frame);
fb40c209 AC	216	}
fb40c209 AC	217
6ad4a2cf	218	do_cleanups (cleanup_stack_args);
fb40c209 AC	219	if (i < frame_high)
	220	error ("mi_cmd_stack_list_args: Not enough frames in stack.");
	221
	222	return MI_CMD_DONE;
	223	}
	224
	225	/* Print a list of the locals or the arguments for the currently
	226	selected frame. If the argument passed is 0, printonly the names
	227	of the variables, if an argument of 1 is passed, print the values
	228	as well. */
	229	static void
	230	list_args_or_locals (int locals, int values, struct frame_info *fi)
	231	{
	232	struct block *block;
	233	struct symbol *sym;
de4f826b DC	234	struct dict_iterator iter;
de4f826b DC	235	int nsyms;
6ad4a2cf	236	struct cleanup *cleanup_list;
fb40c209	237	static struct ui_stream *stb = NULL;
f5ec2042	238	struct type *type;
fb40c209 AC	239
	240	stb = ui_out_stream_new (uiout);
	241
ae767bfb	242	block = get_frame_block (fi, 0);
fb40c209	243
6ad4a2cf	244	cleanup_list = make_cleanup_ui_out_list_begin_end (uiout, locals ? "locals" : "args");
fb40c209 AC	245
	246	while (block != 0)
	247	{
de4f826b	248	ALL_BLOCK_SYMBOLS (block, iter, sym)
fb40c209	249	{
39bf4652 JB	250	int print_me = 0;
39bf4652 JB	251
fb40c209 AC	252	switch (SYMBOL_CLASS (sym))
	253	{
	254	default:
	255	case LOC_UNDEF: /* catches errors */
	256	case LOC_CONST: /* constant */
	257	case LOC_TYPEDEF: /* local typedef */
	258	case LOC_LABEL: /* local label */
	259	case LOC_BLOCK: /* local function */
	260	case LOC_CONST_BYTES: /* loc. byte seq. */
	261	case LOC_UNRESOLVED: /* unresolved static */
	262	case LOC_OPTIMIZED_OUT: /* optimized out */
	263	print_me = 0;
	264	break;
	265
	266	case LOC_ARG: /* argument */
	267	case LOC_REF_ARG: /* reference arg */
	268	case LOC_REGPARM: /* register arg */
	269	case LOC_REGPARM_ADDR: /* indirect register arg */
	270	case LOC_LOCAL_ARG: /* stack arg */
	271	case LOC_BASEREG_ARG: /* basereg arg */
4cf623b6	272	case LOC_COMPUTED_ARG: /* arg with computed location */
fb40c209 AC	273	if (!locals)
	274	print_me = 1;
	275	break;
	276
	277	case LOC_LOCAL: /* stack local */
	278	case LOC_BASEREG: /* basereg local */
	279	case LOC_STATIC: /* static */
	280	case LOC_REGISTER: /* register */
4cf623b6	281	case LOC_COMPUTED: /* computed location */
fb40c209 AC	282	if (locals)
	283	print_me = 1;
	284	break;
	285	}
	286	if (print_me)
	287	{
6ad4a2cf	288	struct cleanup *cleanup_tuple = NULL;
6bb0384f	289	struct symbol *sym2;
f5ec2042 NR	290	if (values != PRINT_NO_VALUES)
f5ec2042 NR	291	cleanup_tuple =
6ad4a2cf	292	make_cleanup_ui_out_tuple_begin_end (uiout, NULL);
f5ec2042	293	ui_out_field_string (uiout, "name", SYMBOL_PRINT_NAME (sym));
fb40c209	294
f5ec2042 NR	295	if (!locals)
	296	sym2 = lookup_symbol (SYMBOL_NATURAL_NAME (sym),
	297	block, VAR_DOMAIN,
	298	(int *) NULL,
	299	(struct symtab **) NULL);
	300	else
fb40c209	301	sym2 = sym;
f5ec2042 NR	302	switch (values)
	303	{
	304	case PRINT_SIMPLE_VALUES:
	305	type = check_typedef (sym2->type);
	306	type_print (sym2->type, "", stb->stream, -1);
	307	ui_out_field_stream (uiout, "type", stb);
	308	if (TYPE_CODE (type) != TYPE_CODE_ARRAY
	309	&& TYPE_CODE (type) != TYPE_CODE_STRUCT
	310	&& TYPE_CODE (type) != TYPE_CODE_UNION)
	311	{
	312	print_variable_value (sym2, fi, stb->stream);
	313	ui_out_field_stream (uiout, "value", stb);
	314	}
	315	do_cleanups (cleanup_tuple);
	316	break;
	317	case PRINT_ALL_VALUES:
fb40c209 AC	318	print_variable_value (sym2, fi, stb->stream);
fb40c209 AC	319	ui_out_field_stream (uiout, "value", stb);
6ad4a2cf	320	do_cleanups (cleanup_tuple);
f5ec2042	321	break;
fb40c209 AC	322	}
	323	}
	324	}
	325	if (BLOCK_FUNCTION (block))
	326	break;
	327	else
	328	block = BLOCK_SUPERBLOCK (block);
	329	}
6ad4a2cf	330	do_cleanups (cleanup_list);
fb40c209 AC	331	ui_out_stream_delete (stb);
	332	}
	333
	334	enum mi_cmd_result
	335	mi_cmd_stack_select_frame (char command, char *argv, int argc)
	336	{
fb40c209 AC	337	if (!target_has_stack)
	338	error ("mi_cmd_stack_select_frame: No stack.");
	339
	340	if (argc > 1)
	341	error ("mi_cmd_stack_select_frame: Usage: [FRAME_SPEC]");
	342
	343	/* with no args, don't change frame */
	344	if (argc == 0)
b9362cc7	345	select_frame_command (0, 1 /* not used */ );
fb40c209	346	else
b9362cc7	347	select_frame_command (argv[0], 1 /* not used */ );
fb40c209 AC	348	return MI_CMD_DONE;
fb40c209 AC	349	}