URL
https://opencores.org/ocsvn/or1k/or1k/trunk
Subversion Repositories or1k
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- This comparison shows the changes necessary to convert path
/or1k/trunk/insight/gdb/cli
- from Rev 578 to Rev 1765
- ↔ Reverse comparison
Rev 578 → Rev 1765
/cli-script.h
0,0 → 1,50
/* Header file for GDB CLI command implementation library. |
Copyright 2000 Free Software Foundation, Inc. |
|
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. */ |
|
#if !defined (CLI_SCRIPT_H) |
#define CLI_SCRIPT_H 1 |
|
/* Exported to cli/cli-cmds.c */ |
|
extern void script_from_file (FILE *stream, char *file); |
|
extern void document_command (char *, int); |
|
extern void define_command (char *, int); |
|
extern void while_command (char *arg, int from_tty); |
|
extern void if_command (char *arg, int from_tty); |
|
extern void show_user_1 (struct cmd_list_element *c, struct ui_file *stream); |
|
/* Exported to gdb/breakpoint.c */ |
|
extern enum command_control_type |
execute_control_command (struct command_line *cmd); |
|
#ifdef UI_OUT |
extern void print_command_lines (struct ui_out *, |
struct command_line *, unsigned int); |
#endif |
|
/* Exported to gdb/infrun.c */ |
|
extern void execute_user_command (struct cmd_list_element *c, char *args); |
|
#endif /* !defined (CLI_SCRIPT_H) */ |
cli-script.h
Property changes :
Added: svn:executable
## -0,0 +1 ##
+*
\ No newline at end of property
Index: cli-cmds.h
===================================================================
--- cli-cmds.h (nonexistent)
+++ cli-cmds.h (revision 1765)
@@ -0,0 +1,125 @@
+/* Header file for GDB CLI command implementation library.
+ Copyright 2000 Free Software Foundation, Inc.
+
+ 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. */
+
+#if !defined (CLI_CMDS_H)
+#define CLI_CMDS_H 1
+
+/* Chain containing all defined commands. */
+
+extern struct cmd_list_element *cmdlist;
+
+/* Chain containing all defined info subcommands. */
+
+extern struct cmd_list_element *infolist;
+
+/* Chain containing all defined enable subcommands. */
+
+extern struct cmd_list_element *enablelist;
+
+/* Chain containing all defined disable subcommands. */
+
+extern struct cmd_list_element *disablelist;
+
+/* Chain containing all defined delete subcommands. */
+
+extern struct cmd_list_element *deletelist;
+
+/* Chain containing all defined toggle subcommands. */
+
+extern struct cmd_list_element *togglelist;
+
+/* Chain containing all defined stop subcommands. */
+
+extern struct cmd_list_element *stoplist;
+
+/* Chain containing all defined "enable breakpoint" subcommands. */
+
+extern struct cmd_list_element *enablebreaklist;
+
+/* Chain containing all defined set subcommands */
+
+extern struct cmd_list_element *setlist;
+
+/* Chain containing all defined unset subcommands */
+
+extern struct cmd_list_element *unsetlist;
+
+/* Chain containing all defined show subcommands. */
+
+extern struct cmd_list_element *showlist;
+
+/* Chain containing all defined \"set history\". */
+
+extern struct cmd_list_element *sethistlist;
+
+/* Chain containing all defined \"show history\". */
+
+extern struct cmd_list_element *showhistlist;
+
+/* Chain containing all defined \"unset history\". */
+
+extern struct cmd_list_element *unsethistlist;
+
+/* Chain containing all defined maintenance subcommands. */
+
+extern struct cmd_list_element *maintenancelist;
+
+/* Chain containing all defined "maintenance info" subcommands. */
+
+extern struct cmd_list_element *maintenanceinfolist;
+
+/* Chain containing all defined "maintenance print" subcommands. */
+
+extern struct cmd_list_element *maintenanceprintlist;
+
+extern struct cmd_list_element *setprintlist;
+
+extern struct cmd_list_element *showprintlist;
+
+extern struct cmd_list_element *setdebuglist;
+
+extern struct cmd_list_element *showdebuglist;
+
+extern struct cmd_list_element *setchecklist;
+
+extern struct cmd_list_element *showchecklist;
+
+/* Exported to gdb/top.c */
+
+void init_cmd_lists (void);
+
+void init_cli_cmds (void);
+
+int is_complete_command (void (*func) (char *args, int from_tty));
+
+/* Exported to gdb/main.c */
+
+extern void cd_command (char *, int);
+
+/* Exported to gdb/top.c and gdb/main.c */
+
+extern void quit_command (char *, int);
+
+extern void source_command (char *, int);
+
+/* Used everywhere whenever at least one parameter is required and
+ none is specified. */
+
+extern NORETURN void error_no_arg (char *) ATTR_NORETURN;
+
+#endif /* !defined (CLI_CMDS_H) */
cli-cmds.h
Property changes :
Added: svn:executable
## -0,0 +1 ##
+*
\ No newline at end of property
Index: cli-setshow.c
===================================================================
--- cli-setshow.c (nonexistent)
+++ cli-setshow.c (revision 1765)
@@ -0,0 +1,464 @@
+/* Handle set and show GDB commands.
+ Copyright 2000, 2001 Free Software Foundation, Inc.
+
+ 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 "value.h"
+#include
+#if 0
+#include "gdb_string.h"
+#endif
+
+#ifdef UI_OUT
+#include "ui-out.h"
+#endif
+
+#include "cli/cli-decode.h"
+#include "cli/cli-cmds.h"
+#include "cli/cli-setshow.h"
+
+/* Prototypes for local functions */
+
+static int parse_binary_operation (char *);
+
+static enum cmd_auto_boolean parse_auto_binary_operation (const char *arg);
+
+static enum cmd_auto_boolean
+parse_auto_binary_operation (const char *arg)
+{
+ if (arg != NULL && *arg != '\0')
+ {
+ int length = strlen (arg);
+ while (isspace (arg[length - 1]) && length > 0)
+ length--;
+ if (strncmp (arg, "on", length) == 0
+ || strncmp (arg, "1", length) == 0
+ || strncmp (arg, "yes", length) == 0
+ || strncmp (arg, "enable", length) == 0)
+ return CMD_AUTO_BOOLEAN_TRUE;
+ else if (strncmp (arg, "off", length) == 0
+ || strncmp (arg, "0", length) == 0
+ || strncmp (arg, "no", length) == 0
+ || strncmp (arg, "disable", length) == 0)
+ return CMD_AUTO_BOOLEAN_FALSE;
+ else if (strncmp (arg, "auto", length) == 0
+ || (strncmp (arg, "-1", length) == 0 && length > 1))
+ return CMD_AUTO_BOOLEAN_AUTO;
+ }
+ error ("\"on\", \"off\" or \"auto\" expected.");
+ return CMD_AUTO_BOOLEAN_AUTO; /* pacify GCC */
+}
+
+static int
+parse_binary_operation (char *arg)
+{
+ int length;
+
+ if (!arg || !*arg)
+ return 1;
+
+ length = strlen (arg);
+
+ while (arg[length - 1] == ' ' || arg[length - 1] == '\t')
+ length--;
+
+ if (strncmp (arg, "on", length) == 0
+ || strncmp (arg, "1", length) == 0
+ || strncmp (arg, "yes", length) == 0
+ || strncmp (arg, "enable", length) == 0)
+ return 1;
+ else if (strncmp (arg, "off", length) == 0
+ || strncmp (arg, "0", length) == 0
+ || strncmp (arg, "no", length) == 0
+ || strncmp (arg, "disable", length) == 0)
+ return 0;
+ else
+ {
+ error ("\"on\" or \"off\" expected.");
+ return 0;
+ }
+}
+
+/* Do a "set" or "show" command. ARG is NULL if no argument, or the text
+ of the argument, and FROM_TTY is nonzero if this command is being entered
+ directly by the user (i.e. these are just like any other
+ command). C is the command list element for the command. */
+
+void
+do_setshow_command (char *arg, int from_tty, struct cmd_list_element *c)
+{
+ if (c->type == set_cmd)
+ {
+ switch (c->var_type)
+ {
+ case var_string:
+ {
+ char *new;
+ char *p;
+ char *q;
+ int ch;
+
+ if (arg == NULL)
+ arg = "";
+ new = (char *) xmalloc (strlen (arg) + 2);
+ p = arg;
+ q = new;
+ while ((ch = *p++) != '\000')
+ {
+ if (ch == '\\')
+ {
+ /* \ at end of argument is used after spaces
+ so they won't be lost. */
+ /* This is obsolete now that we no longer strip
+ trailing whitespace and actually, the backslash
+ didn't get here in my test, readline or
+ something did something funky with a backslash
+ right before a newline. */
+ if (*p == 0)
+ break;
+ ch = parse_escape (&p);
+ if (ch == 0)
+ break; /* C loses */
+ else if (ch > 0)
+ *q++ = ch;
+ }
+ else
+ *q++ = ch;
+ }
+#if 0
+ if (*(p - 1) != '\\')
+ *q++ = ' ';
+#endif
+ *q++ = '\0';
+ new = (char *) xrealloc (new, q - new);
+ if (*(char **) c->var != NULL)
+ xfree (*(char **) c->var);
+ *(char **) c->var = new;
+ }
+ break;
+ case var_string_noescape:
+ if (arg == NULL)
+ arg = "";
+ if (*(char **) c->var != NULL)
+ xfree (*(char **) c->var);
+ *(char **) c->var = savestring (arg, strlen (arg));
+ break;
+ case var_filename:
+ if (arg == NULL)
+ error_no_arg ("filename to set it to.");
+ if (*(char **) c->var != NULL)
+ xfree (*(char **) c->var);
+ *(char **) c->var = tilde_expand (arg);
+ break;
+ case var_boolean:
+ *(int *) c->var = parse_binary_operation (arg);
+ break;
+ case var_auto_boolean:
+ *(enum cmd_auto_boolean *) c->var = parse_auto_binary_operation (arg);
+ break;
+ case var_uinteger:
+ if (arg == NULL)
+ error_no_arg ("integer to set it to.");
+ *(unsigned int *) c->var = parse_and_eval_long (arg);
+ if (*(unsigned int *) c->var == 0)
+ *(unsigned int *) c->var = UINT_MAX;
+ break;
+ case var_integer:
+ {
+ unsigned int val;
+ if (arg == NULL)
+ error_no_arg ("integer to set it to.");
+ val = parse_and_eval_long (arg);
+ if (val == 0)
+ *(int *) c->var = INT_MAX;
+ else if (val >= INT_MAX)
+ error ("integer %u out of range", val);
+ else
+ *(int *) c->var = val;
+ break;
+ }
+ case var_zinteger:
+ if (arg == NULL)
+ error_no_arg ("integer to set it to.");
+ *(int *) c->var = parse_and_eval_long (arg);
+ break;
+ case var_enum:
+ {
+ int i;
+ int len;
+ int nmatches;
+ const char *match = NULL;
+ char *p;
+
+ /* if no argument was supplied, print an informative error message */
+ if (arg == NULL)
+ {
+ char msg[1024];
+ strcpy (msg, "Requires an argument. Valid arguments are ");
+ for (i = 0; c->enums[i]; i++)
+ {
+ if (i != 0)
+ strcat (msg, ", ");
+ strcat (msg, c->enums[i]);
+ }
+ strcat (msg, ".");
+ error (msg);
+ }
+
+ p = strchr (arg, ' ');
+
+ if (p)
+ len = p - arg;
+ else
+ len = strlen (arg);
+
+ nmatches = 0;
+ for (i = 0; c->enums[i]; i++)
+ if (strncmp (arg, c->enums[i], len) == 0)
+ {
+ if (c->enums[i][len] == '\0')
+ {
+ match = c->enums[i];
+ nmatches = 1;
+ break; /* exact match. */
+ }
+ else
+ {
+ match = c->enums[i];
+ nmatches++;
+ }
+ }
+
+ if (nmatches <= 0)
+ error ("Undefined item: \"%s\".", arg);
+
+ if (nmatches > 1)
+ error ("Ambiguous item \"%s\".", arg);
+
+ *(const char **) c->var = match;
+ }
+ break;
+ default:
+ error ("gdb internal error: bad var_type in do_setshow_command");
+ }
+ }
+ else if (c->type == show_cmd)
+ {
+#ifdef UI_OUT
+ struct cleanup *old_chain;
+ struct ui_stream *stb;
+ int quote;
+
+ stb = ui_out_stream_new (uiout);
+ old_chain = make_cleanup_ui_out_stream_delete (stb);
+#endif /* UI_OUT */
+
+ /* Print doc minus "show" at start. */
+ print_doc_line (gdb_stdout, c->doc + 5);
+
+#ifdef UI_OUT
+ ui_out_text (uiout, " is ");
+ ui_out_wrap_hint (uiout, " ");
+ quote = 0;
+ switch (c->var_type)
+ {
+ case var_string:
+ {
+ unsigned char *p;
+
+ if (*(unsigned char **) c->var)
+ fputstr_filtered (*(unsigned char **) c->var, '"', stb->stream);
+ quote = 1;
+ }
+ break;
+ case var_string_noescape:
+ case var_filename:
+ case var_enum:
+ if (*(char **) c->var)
+ fputs_filtered (*(char **) c->var, stb->stream);
+ quote = 1;
+ break;
+ case var_boolean:
+ fputs_filtered (*(int *) c->var ? "on" : "off", stb->stream);
+ break;
+ case var_auto_boolean:
+ switch (*(enum cmd_auto_boolean*) c->var)
+ {
+ case CMD_AUTO_BOOLEAN_TRUE:
+ fputs_filtered ("on", stb->stream);
+ break;
+ case CMD_AUTO_BOOLEAN_FALSE:
+ fputs_filtered ("off", stb->stream);
+ break;
+ case CMD_AUTO_BOOLEAN_AUTO:
+ fputs_filtered ("auto", stb->stream);
+ break;
+ default:
+ internal_error (__FILE__, __LINE__,
+ "do_setshow_command: invalid var_auto_boolean");
+ break;
+ }
+ break;
+ case var_uinteger:
+ if (*(unsigned int *) c->var == UINT_MAX)
+ {
+ fputs_filtered ("unlimited", stb->stream);
+ break;
+ }
+ /* else fall through */
+ case var_zinteger:
+ fprintf_filtered (stb->stream, "%u", *(unsigned int *) c->var);
+ break;
+ case var_integer:
+ if (*(int *) c->var == INT_MAX)
+ {
+ fputs_filtered ("unlimited", stb->stream);
+ }
+ else
+ fprintf_filtered (stb->stream, "%d", *(int *) c->var);
+ break;
+
+ default:
+ error ("gdb internal error: bad var_type in do_setshow_command");
+ }
+ if (quote)
+ ui_out_text (uiout, "\"");
+ ui_out_field_stream (uiout, "value", stb);
+ if (quote)
+ ui_out_text (uiout, "\"");
+ ui_out_text (uiout, ".\n");
+ do_cleanups (old_chain);
+#else
+ fputs_filtered (" is ", gdb_stdout);
+ wrap_here (" ");
+ switch (c->var_type)
+ {
+ case var_string:
+ {
+ fputs_filtered ("\"", gdb_stdout);
+ if (*(unsigned char **) c->var)
+ fputstr_filtered (*(unsigned char **) c->var, '"', gdb_stdout);
+ fputs_filtered ("\"", gdb_stdout);
+ }
+ break;
+ case var_string_noescape:
+ case var_filename:
+ case var_enum:
+ fputs_filtered ("\"", gdb_stdout);
+ if (*(char **) c->var)
+ fputs_filtered (*(char **) c->var, gdb_stdout);
+ fputs_filtered ("\"", gdb_stdout);
+ break;
+ case var_boolean:
+ fputs_filtered (*(int *) c->var ? "on" : "off", gdb_stdout);
+ break;
+ case var_auto_boolean:
+ switch (*(enum cmd_auto_boolean*) c->var)
+ {
+ case CMD_AUTO_BOOLEAN_TRUE:
+ fputs_filtered ("on", gdb_stdout);
+ break;
+ case CMD_AUTO_BOOLEAN_FALSE:
+ fputs_filtered ("off", gdb_stdout);
+ break;
+ case CMD_AUTO_BOOLEAN_AUTO:
+ fputs_filtered ("auto", gdb_stdout);
+ break;
+ default:
+ internal_error (__FILE__, __LINE__,
+ "do_setshow_command: invalid var_auto_boolean");
+ break;
+ }
+ break;
+ case var_uinteger:
+ if (*(unsigned int *) c->var == UINT_MAX)
+ {
+ fputs_filtered ("unlimited", gdb_stdout);
+ break;
+ }
+ /* else fall through */
+ case var_zinteger:
+ fprintf_filtered (gdb_stdout, "%u", *(unsigned int *) c->var);
+ break;
+ case var_integer:
+ if (*(int *) c->var == INT_MAX)
+ {
+ fputs_filtered ("unlimited", gdb_stdout);
+ }
+ else
+ fprintf_filtered (gdb_stdout, "%d", *(int *) c->var);
+ break;
+
+ default:
+ error ("gdb internal error: bad var_type in do_setshow_command");
+ }
+ fputs_filtered (".\n", gdb_stdout);
+#endif
+ }
+ else
+ error ("gdb internal error: bad cmd_type in do_setshow_command");
+ (*c->function.sfunc) (NULL, from_tty, c);
+ if (c->type == set_cmd && set_hook)
+ set_hook (c);
+}
+
+/* Show all the settings in a list of show commands. */
+
+void
+cmd_show_list (struct cmd_list_element *list, int from_tty, char *prefix)
+{
+#ifdef UI_OUT
+ ui_out_tuple_begin (uiout, "showlist");
+#endif
+ for (; list != NULL; list = list->next)
+ {
+ /* If we find a prefix, run its list, prefixing our output by its
+ prefix (with "show " skipped). */
+#ifdef UI_OUT
+ if (list->prefixlist && !list->abbrev_flag)
+ {
+ ui_out_tuple_begin (uiout, "optionlist");
+ ui_out_field_string (uiout, "prefix", list->prefixname + 5);
+ cmd_show_list (*list->prefixlist, from_tty, list->prefixname + 5);
+ ui_out_tuple_end (uiout);
+ }
+ if (list->type == show_cmd)
+ {
+ ui_out_tuple_begin (uiout, "option");
+ ui_out_text (uiout, prefix);
+ ui_out_field_string (uiout, "name", list->name);
+ ui_out_text (uiout, ": ");
+ do_setshow_command ((char *) NULL, from_tty, list);
+ ui_out_tuple_end (uiout);
+ }
+#else
+ if (list->prefixlist && !list->abbrev_flag)
+ cmd_show_list (*list->prefixlist, from_tty, list->prefixname + 5);
+ if (list->type == show_cmd)
+ {
+ fputs_filtered (prefix, gdb_stdout);
+ fputs_filtered (list->name, gdb_stdout);
+ fputs_filtered (": ", gdb_stdout);
+ do_setshow_command ((char *) NULL, from_tty, list);
+ }
+#endif
+ }
+#ifdef UI_OUT
+ ui_out_tuple_end (uiout);
+#endif
+}
+
cli-setshow.c
Property changes :
Added: svn:executable
## -0,0 +1 ##
+*
\ No newline at end of property
Index: cli-utils.c
===================================================================
--- cli-utils.c (nonexistent)
+++ cli-utils.c (revision 1765)
@@ -0,0 +1,21 @@
+/* GDB CLI utility library.
+ Copyright 2001 Free Software Foundation, Inc.
+
+ 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 "cli/cli-utils.h"
+
cli-utils.c
Property changes :
Added: svn:executable
## -0,0 +1 ##
+*
\ No newline at end of property
Index: cli-setshow.h
===================================================================
--- cli-setshow.h (nonexistent)
+++ cli-setshow.h (revision 1765)
@@ -0,0 +1,32 @@
+/* Header file for GDB CLI set and show commands implementation.
+ Copyright 2000 Free Software Foundation, Inc.
+
+ 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. */
+
+#if !defined (CLI_SETSHOW_H)
+#define CLI_SETSHOW_H 1
+
+/* Exported to cli/cli-cmds.c and gdb/top.c */
+
+extern void do_setshow_command (char *arg, int from_tty,
+ struct cmd_list_element *c);
+
+/* Exported to cli/cli-cmds.c and gdb/top.c, language.c and valprint.c */
+
+extern void cmd_show_list (struct cmd_list_element *list, int from_tty,
+ char *prefix);
+
+#endif /* !defined (CLI_SETSHOW_H) */
cli-setshow.h
Property changes :
Added: svn:executable
## -0,0 +1 ##
+*
\ No newline at end of property
Index: cli-decode.c
===================================================================
--- cli-decode.c (nonexistent)
+++ cli-decode.c (revision 1765)
@@ -0,0 +1,1345 @@
+/* Handle lists of commands, their decoding and documentation, for GDB.
+ Copyright 1986, 1989, 1990, 1991, 1998, 2000, 2001
+ Free Software Foundation, Inc.
+
+ 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 "symtab.h"
+#include
+#include "gnu-regex.h"
+
+#ifdef UI_OUT
+#include "ui-out.h"
+#endif
+
+#include "cli/cli-cmds.h"
+#include "cli/cli-decode.h"
+
+/* Prototypes for local functions */
+
+static void undef_cmd_error (char *, char *);
+
+static struct cmd_list_element *find_cmd (char *command,
+ int len,
+ struct cmd_list_element *clist,
+ int ignore_help_classes,
+ int *nfound);
+
+static void help_all (struct ui_file *stream);
+
+/* Add element named NAME.
+ CLASS is the top level category into which commands are broken down
+ for "help" purposes.
+ FUN should be the function to execute the command;
+ it will get a character string as argument, with leading
+ and trailing blanks already eliminated.
+
+ DOC is a documentation string for the command.
+ Its first line should be a complete sentence.
+ It should start with ? for a command that is an abbreviation
+ or with * for a command that most users don't need to know about.
+
+ Add this command to command list *LIST.
+
+ Returns a pointer to the added command (not necessarily the head
+ of *LIST). */
+
+struct cmd_list_element *
+add_cmd (char *name, enum command_class class, void (*fun) (char *, int),
+ char *doc, struct cmd_list_element **list)
+{
+ register struct cmd_list_element *c
+ = (struct cmd_list_element *) xmalloc (sizeof (struct cmd_list_element));
+ struct cmd_list_element *p;
+
+ delete_cmd (name, list);
+
+ if (*list == NULL || strcmp ((*list)->name, name) >= 0)
+ {
+ c->next = *list;
+ *list = c;
+ }
+ else
+ {
+ p = *list;
+ while (p->next && strcmp (p->next->name, name) <= 0)
+ {
+ p = p->next;
+ }
+ c->next = p->next;
+ p->next = c;
+ }
+
+ c->name = name;
+ c->class = class;
+ c->function.cfunc = fun;
+ c->doc = doc;
+ c->flags = 0;
+ c->replacement = NULL;
+ c->hook_pre = NULL;
+ c->hook_post = NULL;
+ c->hook_in = 0;
+ c->prefixlist = NULL;
+ c->prefixname = NULL;
+ c->allow_unknown = 0;
+ c->abbrev_flag = 0;
+ c->completer = make_symbol_completion_list;
+ c->type = not_set_cmd;
+ c->var = NULL;
+ c->var_type = var_boolean;
+ c->enums = NULL;
+ c->user_commands = NULL;
+ c->hookee_pre = NULL;
+ c->hookee_post = NULL;
+ c->cmd_pointer = NULL;
+
+ return c;
+}
+
+/* Same as above, except that the abbrev_flag is set. */
+/* Note: Doesn't seem to be used anywhere currently. */
+
+struct cmd_list_element *
+add_abbrev_cmd (char *name, enum command_class class, void (*fun) (char *, int),
+ char *doc, struct cmd_list_element **list)
+{
+ register struct cmd_list_element *c
+ = add_cmd (name, class, fun, doc, list);
+
+ c->abbrev_flag = 1;
+ return c;
+}
+
+/* Deprecates a command CMD.
+ REPLACEMENT is the name of the command which should be used in place
+ of this command, or NULL if no such command exists.
+
+ This function does not check to see if command REPLACEMENT exists
+ since gdb may not have gotten around to adding REPLACEMENT when this
+ function is called.
+
+ Returns a pointer to the deprecated command. */
+
+struct cmd_list_element *
+deprecate_cmd (struct cmd_list_element *cmd, char *replacement)
+{
+ cmd->flags |= (CMD_DEPRECATED | DEPRECATED_WARN_USER);
+
+ if (replacement != NULL)
+ cmd->replacement = replacement;
+ else
+ cmd->replacement = NULL;
+
+ return cmd;
+}
+
+struct cmd_list_element *
+add_alias_cmd (char *name, char *oldname, enum command_class class,
+ int abbrev_flag, struct cmd_list_element **list)
+{
+ /* Must do this since lookup_cmd tries to side-effect its first arg */
+ char *copied_name;
+ register struct cmd_list_element *old;
+ register struct cmd_list_element *c;
+ copied_name = (char *) alloca (strlen (oldname) + 1);
+ strcpy (copied_name, oldname);
+ old = lookup_cmd (&copied_name, *list, "", 1, 1);
+
+ if (old == 0)
+ {
+ delete_cmd (name, list);
+ return 0;
+ }
+
+ c = add_cmd (name, class, old->function.cfunc, old->doc, list);
+ c->prefixlist = old->prefixlist;
+ c->prefixname = old->prefixname;
+ c->allow_unknown = old->allow_unknown;
+ c->abbrev_flag = abbrev_flag;
+ c->cmd_pointer = old;
+ return c;
+}
+
+/* Like add_cmd but adds an element for a command prefix:
+ a name that should be followed by a subcommand to be looked up
+ in another command list. PREFIXLIST should be the address
+ of the variable containing that list. */
+
+struct cmd_list_element *
+add_prefix_cmd (char *name, enum command_class class, void (*fun) (char *, int),
+ char *doc, struct cmd_list_element **prefixlist,
+ char *prefixname, int allow_unknown,
+ struct cmd_list_element **list)
+{
+ register struct cmd_list_element *c = add_cmd (name, class, fun, doc, list);
+ c->prefixlist = prefixlist;
+ c->prefixname = prefixname;
+ c->allow_unknown = allow_unknown;
+ return c;
+}
+
+/* Like add_prefix_cmd but sets the abbrev_flag on the new command. */
+
+struct cmd_list_element *
+add_abbrev_prefix_cmd (char *name, enum command_class class,
+ void (*fun) (char *, int), char *doc,
+ struct cmd_list_element **prefixlist, char *prefixname,
+ int allow_unknown, struct cmd_list_element **list)
+{
+ register struct cmd_list_element *c = add_cmd (name, class, fun, doc, list);
+ c->prefixlist = prefixlist;
+ c->prefixname = prefixname;
+ c->allow_unknown = allow_unknown;
+ c->abbrev_flag = 1;
+ return c;
+}
+
+/* This is an empty "cfunc". */
+void
+not_just_help_class_command (char *args, int from_tty)
+{
+}
+
+/* This is an empty "sfunc". */
+static void empty_sfunc (char *, int, struct cmd_list_element *);
+
+static void
+empty_sfunc (char *args, int from_tty, struct cmd_list_element *c)
+{
+}
+
+/* Add element named NAME to command list LIST (the list for set
+ or some sublist thereof).
+ CLASS is as in add_cmd.
+ VAR_TYPE is the kind of thing we are setting.
+ VAR is address of the variable being controlled by this command.
+ DOC is the documentation string. */
+
+struct cmd_list_element *
+add_set_cmd (char *name,
+ enum command_class class,
+ var_types var_type,
+ void *var,
+ char *doc,
+ struct cmd_list_element **list)
+{
+ struct cmd_list_element *c
+ = add_cmd (name, class, NO_FUNCTION, doc, list);
+
+ c->type = set_cmd;
+ c->var_type = var_type;
+ c->var = var;
+ /* This needs to be something besides NO_FUNCTION so that this isn't
+ treated as a help class. */
+ c->function.sfunc = empty_sfunc;
+ return c;
+}
+
+/* Add element named NAME to command list LIST (the list for set
+ or some sublist thereof).
+ CLASS is as in add_cmd.
+ ENUMLIST is a list of strings which may follow NAME.
+ VAR is address of the variable which will contain the matching string
+ (from ENUMLIST).
+ DOC is the documentation string. */
+
+struct cmd_list_element *
+add_set_enum_cmd (char *name,
+ enum command_class class,
+ const char *enumlist[],
+ const char **var,
+ char *doc,
+ struct cmd_list_element **list)
+{
+ struct cmd_list_element *c
+ = add_set_cmd (name, class, var_enum, var, doc, list);
+ c->enums = enumlist;
+
+ return c;
+}
+
+/* Add element named NAME to command list LIST (the list for set
+ or some sublist thereof).
+ CLASS is as in add_cmd.
+ VAR is address of the variable which will contain the value.
+ DOC is the documentation string. */
+struct cmd_list_element *
+add_set_auto_boolean_cmd (char *name,
+ enum command_class class,
+ enum cmd_auto_boolean *var,
+ char *doc,
+ struct cmd_list_element **list)
+{
+ static const char *auto_boolean_enums[] = { "on", "off", "auto", NULL };
+ struct cmd_list_element *c;
+ c = add_set_cmd (name, class, var_auto_boolean, var, doc, list);
+ c->enums = auto_boolean_enums;
+ return c;
+}
+
+/* Where SETCMD has already been added, add the corresponding show
+ command to LIST and return a pointer to the added command (not
+ necessarily the head of LIST). */
+struct cmd_list_element *
+add_show_from_set (struct cmd_list_element *setcmd,
+ struct cmd_list_element **list)
+{
+ struct cmd_list_element *showcmd =
+ (struct cmd_list_element *) xmalloc (sizeof (struct cmd_list_element));
+ struct cmd_list_element *p;
+
+ memcpy (showcmd, setcmd, sizeof (struct cmd_list_element));
+ delete_cmd (showcmd->name, list);
+ showcmd->type = show_cmd;
+
+ /* Replace "set " at start of docstring with "show ". */
+ if (setcmd->doc[0] == 'S' && setcmd->doc[1] == 'e'
+ && setcmd->doc[2] == 't' && setcmd->doc[3] == ' ')
+ showcmd->doc = concat ("Show ", setcmd->doc + 4, NULL);
+ else
+ fprintf_unfiltered (gdb_stderr, "GDB internal error: Bad docstring for set command\n");
+
+ if (*list == NULL || strcmp ((*list)->name, showcmd->name) >= 0)
+ {
+ showcmd->next = *list;
+ *list = showcmd;
+ }
+ else
+ {
+ p = *list;
+ while (p->next && strcmp (p->next->name, showcmd->name) <= 0)
+ {
+ p = p->next;
+ }
+ showcmd->next = p->next;
+ p->next = showcmd;
+ }
+
+ return showcmd;
+}
+
+/* Remove the command named NAME from the command list. */
+
+void
+delete_cmd (char *name, struct cmd_list_element **list)
+{
+ register struct cmd_list_element *c;
+ struct cmd_list_element *p;
+
+ while (*list && STREQ ((*list)->name, name))
+ {
+ if ((*list)->hookee_pre)
+ (*list)->hookee_pre->hook_pre = 0; /* Hook slips out of its mouth */
+ if ((*list)->hookee_post)
+ (*list)->hookee_post->hook_post = 0; /* Hook slips out of its bottom */
+ p = (*list)->next;
+ xfree (* list);
+ *list = p;
+ }
+
+ if (*list)
+ for (c = *list; c->next;)
+ {
+ if (STREQ (c->next->name, name))
+ {
+ if (c->next->hookee_pre)
+ c->next->hookee_pre->hook_pre = 0; /* hooked cmd gets away. */
+ if (c->next->hookee_post)
+ c->next->hookee_post->hook_post = 0; /* remove post hook */
+ /* :( no fishing metaphore */
+ p = c->next->next;
+ xfree (c->next);
+ c->next = p;
+ }
+ else
+ c = c->next;
+ }
+}
+
+/* Shorthands to the commands above. */
+
+/* Add an element to the list of info subcommands. */
+
+struct cmd_list_element *
+add_info (char *name, void (*fun) (char *, int), char *doc)
+{
+ return add_cmd (name, no_class, fun, doc, &infolist);
+}
+
+/* Add an alias to the list of info subcommands. */
+
+struct cmd_list_element *
+add_info_alias (char *name, char *oldname, int abbrev_flag)
+{
+ return add_alias_cmd (name, oldname, 0, abbrev_flag, &infolist);
+}
+
+/* Add an element to the list of commands. */
+
+struct cmd_list_element *
+add_com (char *name, enum command_class class, void (*fun) (char *, int),
+ char *doc)
+{
+ return add_cmd (name, class, fun, doc, &cmdlist);
+}
+
+/* Add an alias or abbreviation command to the list of commands. */
+
+struct cmd_list_element *
+add_com_alias (char *name, char *oldname, enum command_class class,
+ int abbrev_flag)
+{
+ return add_alias_cmd (name, oldname, class, abbrev_flag, &cmdlist);
+}
+
+/* Recursively walk the commandlist structures, and print out the
+ documentation of commands that match our regex in either their
+ name, or their documentation.
+*/
+void
+apropos_cmd (struct ui_file *stream, struct cmd_list_element *commandlist,
+ struct re_pattern_buffer *regex, char *prefix)
+{
+ register struct cmd_list_element *c;
+ int returnvalue=1; /*Needed to avoid double printing*/
+ /* Walk through the commands */
+ for (c=commandlist;c;c=c->next)
+ {
+ if (c->name != NULL)
+ {
+ /* Try to match against the name*/
+ returnvalue=re_search(regex,c->name,strlen(c->name),0,strlen(c->name),NULL);
+ if (returnvalue >= 0)
+ {
+ /* Stolen from help_cmd_list. We don't directly use
+ * help_cmd_list because it doesn't let us print out
+ * single commands
+ */
+ fprintf_filtered (stream, "%s%s -- ", prefix, c->name);
+ print_doc_line (stream, c->doc);
+ fputs_filtered ("\n", stream);
+ returnvalue=0; /*Set this so we don't print it again.*/
+ }
+ }
+ if (c->doc != NULL && returnvalue != 0)
+ {
+ /* Try to match against documentation */
+ if (re_search(regex,c->doc,strlen(c->doc),0,strlen(c->doc),NULL) >=0)
+ {
+ /* Stolen from help_cmd_list. We don't directly use
+ * help_cmd_list because it doesn't let us print out
+ * single commands
+ */
+ fprintf_filtered (stream, "%s%s -- ", prefix, c->name);
+ print_doc_line (stream, c->doc);
+ fputs_filtered ("\n", stream);
+ }
+ }
+ /* Check if this command has subcommands */
+ if (c->prefixlist != NULL)
+ {
+ /* Recursively call ourselves on the subcommand list,
+ passing the right prefix in.
+ */
+ apropos_cmd (stream,*c->prefixlist,regex,c->prefixname);
+ }
+ }
+}
+
+/* This command really has to deal with two things:
+ * 1) I want documentation on *this string* (usually called by
+ * "help commandname").
+ * 2) I want documentation on *this list* (usually called by
+ * giving a command that requires subcommands. Also called by saying
+ * just "help".)
+ *
+ * I am going to split this into two seperate comamnds, help_cmd and
+ * help_list.
+ */
+
+void
+help_cmd (char *command, struct ui_file *stream)
+{
+ struct cmd_list_element *c;
+ extern struct cmd_list_element *cmdlist;
+
+ if (!command)
+ {
+ help_list (cmdlist, "", all_classes, stream);
+ return;
+ }
+
+ if (strcmp (command, "all") == 0)
+ {
+ help_all (stream);
+ return;
+ }
+
+ c = lookup_cmd (&command, cmdlist, "", 0, 0);
+
+ if (c == 0)
+ return;
+
+ /* There are three cases here.
+ If c->prefixlist is nonzero, we have a prefix command.
+ Print its documentation, then list its subcommands.
+
+ If c->function is nonzero, we really have a command.
+ Print its documentation and return.
+
+ If c->function is zero, we have a class name.
+ Print its documentation (as if it were a command)
+ and then set class to the number of this class
+ so that the commands in the class will be listed. */
+
+ fputs_filtered (c->doc, stream);
+ fputs_filtered ("\n", stream);
+
+ if (c->prefixlist == 0 && c->function.cfunc != NULL)
+ return;
+ fprintf_filtered (stream, "\n");
+
+ /* If this is a prefix command, print it's subcommands */
+ if (c->prefixlist)
+ help_list (*c->prefixlist, c->prefixname, all_commands, stream);
+
+ /* If this is a class name, print all of the commands in the class */
+ if (c->function.cfunc == NULL)
+ help_list (cmdlist, "", c->class, stream);
+
+ if (c->hook_pre || c->hook_post)
+ fprintf_filtered (stream,
+ "\nThis command has a hook (or hooks) defined:\n");
+
+ if (c->hook_pre)
+ fprintf_filtered (stream,
+ "\tThis command is run after : %s (pre hook)\n",
+ c->hook_pre->name);
+ if (c->hook_post)
+ fprintf_filtered (stream,
+ "\tThis command is run before : %s (post hook)\n",
+ c->hook_post->name);
+}
+
+/*
+ * Get a specific kind of help on a command list.
+ *
+ * LIST is the list.
+ * CMDTYPE is the prefix to use in the title string.
+ * CLASS is the class with which to list the nodes of this list (see
+ * documentation for help_cmd_list below), As usual, ALL_COMMANDS for
+ * everything, ALL_CLASSES for just classes, and non-negative for only things
+ * in a specific class.
+ * and STREAM is the output stream on which to print things.
+ * If you call this routine with a class >= 0, it recurses.
+ */
+void
+help_list (struct cmd_list_element *list, char *cmdtype,
+ enum command_class class, struct ui_file *stream)
+{
+ int len;
+ char *cmdtype1, *cmdtype2;
+
+ /* If CMDTYPE is "foo ", CMDTYPE1 gets " foo" and CMDTYPE2 gets "foo sub" */
+ len = strlen (cmdtype);
+ cmdtype1 = (char *) alloca (len + 1);
+ cmdtype1[0] = 0;
+ cmdtype2 = (char *) alloca (len + 4);
+ cmdtype2[0] = 0;
+ if (len)
+ {
+ cmdtype1[0] = ' ';
+ strncpy (cmdtype1 + 1, cmdtype, len - 1);
+ cmdtype1[len] = 0;
+ strncpy (cmdtype2, cmdtype, len - 1);
+ strcpy (cmdtype2 + len - 1, " sub");
+ }
+
+ if (class == all_classes)
+ fprintf_filtered (stream, "List of classes of %scommands:\n\n", cmdtype2);
+ else
+ fprintf_filtered (stream, "List of %scommands:\n\n", cmdtype2);
+
+ help_cmd_list (list, class, cmdtype, (int) class >= 0, stream);
+
+ if (class == all_classes)
+ fprintf_filtered (stream, "\n\
+Type \"help%s\" followed by a class name for a list of commands in that class.",
+ cmdtype1);
+
+ fprintf_filtered (stream, "\n\
+Type \"help%s\" followed by %scommand name for full documentation.\n\
+Command name abbreviations are allowed if unambiguous.\n",
+ cmdtype1, cmdtype2);
+}
+
+static void
+help_all (struct ui_file *stream)
+{
+ struct cmd_list_element *c;
+ extern struct cmd_list_element *cmdlist;
+
+ for (c = cmdlist; c; c = c->next)
+ {
+ if (c->abbrev_flag)
+ continue;
+ /* If this is a prefix command, print it's subcommands */
+ if (c->prefixlist)
+ help_cmd_list (*c->prefixlist, all_commands, c->prefixname, 0, stream);
+
+ /* If this is a class name, print all of the commands in the class */
+ else if (c->function.cfunc == NULL)
+ help_cmd_list (cmdlist, c->class, "", 0, stream);
+ }
+}
+
+/* Print only the first line of STR on STREAM. */
+void
+print_doc_line (struct ui_file *stream, char *str)
+{
+ static char *line_buffer = 0;
+ static int line_size;
+ register char *p;
+
+ if (!line_buffer)
+ {
+ line_size = 80;
+ line_buffer = (char *) xmalloc (line_size);
+ }
+
+ p = str;
+ while (*p && *p != '\n' && *p != '.' && *p != ',')
+ p++;
+ if (p - str > line_size - 1)
+ {
+ line_size = p - str + 1;
+ xfree (line_buffer);
+ line_buffer = (char *) xmalloc (line_size);
+ }
+ strncpy (line_buffer, str, p - str);
+ line_buffer[p - str] = '\0';
+ if (islower (line_buffer[0]))
+ line_buffer[0] = toupper (line_buffer[0]);
+#ifdef UI_OUT
+ ui_out_text (uiout, line_buffer);
+#else
+ fputs_filtered (line_buffer, stream);
+#endif
+}
+
+/*
+ * Implement a help command on command list LIST.
+ * RECURSE should be non-zero if this should be done recursively on
+ * all sublists of LIST.
+ * PREFIX is the prefix to print before each command name.
+ * STREAM is the stream upon which the output should be written.
+ * CLASS should be:
+ * A non-negative class number to list only commands in that
+ * class.
+ * ALL_COMMANDS to list all commands in list.
+ * ALL_CLASSES to list all classes in list.
+ *
+ * Note that RECURSE will be active on *all* sublists, not just the
+ * ones selected by the criteria above (ie. the selection mechanism
+ * is at the low level, not the high-level).
+ */
+void
+help_cmd_list (struct cmd_list_element *list, enum command_class class,
+ char *prefix, int recurse, struct ui_file *stream)
+{
+ register struct cmd_list_element *c;
+
+ for (c = list; c; c = c->next)
+ {
+ if (c->abbrev_flag == 0 &&
+ (class == all_commands
+ || (class == all_classes && c->function.cfunc == NULL)
+ || (class == c->class && c->function.cfunc != NULL)))
+ {
+ fprintf_filtered (stream, "%s%s -- ", prefix, c->name);
+ print_doc_line (stream, c->doc);
+ fputs_filtered ("\n", stream);
+ }
+ if (recurse
+ && c->prefixlist != 0
+ && c->abbrev_flag == 0)
+ help_cmd_list (*c->prefixlist, class, c->prefixname, 1, stream);
+ }
+}
+
+
+/* Search the input clist for 'command'. Return the command if
+ found (or NULL if not), and return the number of commands
+ found in nfound */
+
+static struct cmd_list_element *
+find_cmd (char *command, int len, struct cmd_list_element *clist,
+ int ignore_help_classes, int *nfound)
+{
+ struct cmd_list_element *found, *c;
+
+ found = (struct cmd_list_element *) NULL;
+ *nfound = 0;
+ for (c = clist; c; c = c->next)
+ if (!strncmp (command, c->name, len)
+ && (!ignore_help_classes || c->function.cfunc))
+ {
+ found = c;
+ (*nfound)++;
+ if (c->name[len] == '\0')
+ {
+ *nfound = 1;
+ break;
+ }
+ }
+ return found;
+}
+
+/* This routine takes a line of TEXT and a CLIST in which to start the
+ lookup. When it returns it will have incremented the text pointer past
+ the section of text it matched, set *RESULT_LIST to point to the list in
+ which the last word was matched, and will return a pointer to the cmd
+ list element which the text matches. It will return NULL if no match at
+ all was possible. It will return -1 (cast appropriately, ick) if ambigous
+ matches are possible; in this case *RESULT_LIST will be set to point to
+ the list in which there are ambiguous choices (and *TEXT will be set to
+ the ambiguous text string).
+
+ If the located command was an abbreviation, this routine returns the base
+ command of the abbreviation.
+
+ It does no error reporting whatsoever; control will always return
+ to the superior routine.
+
+ In the case of an ambiguous return (-1), *RESULT_LIST will be set to point
+ at the prefix_command (ie. the best match) *or* (special case) will be NULL
+ if no prefix command was ever found. For example, in the case of "info a",
+ "info" matches without ambiguity, but "a" could be "args" or "address", so
+ *RESULT_LIST is set to the cmd_list_element for "info". So in this case
+ RESULT_LIST should not be interpeted as a pointer to the beginning of a
+ list; it simply points to a specific command. In the case of an ambiguous
+ return *TEXT is advanced past the last non-ambiguous prefix (e.g.
+ "info t" can be "info types" or "info target"; upon return *TEXT has been
+ advanced past "info ").
+
+ If RESULT_LIST is NULL, don't set *RESULT_LIST (but don't otherwise
+ affect the operation).
+
+ This routine does *not* modify the text pointed to by TEXT.
+
+ If IGNORE_HELP_CLASSES is nonzero, ignore any command list elements which
+ are actually help classes rather than commands (i.e. the function field of
+ the struct cmd_list_element is NULL). */
+
+struct cmd_list_element *
+lookup_cmd_1 (char **text, struct cmd_list_element *clist,
+ struct cmd_list_element **result_list, int ignore_help_classes)
+{
+ char *p, *command;
+ int len, tmp, nfound;
+ struct cmd_list_element *found, *c;
+ char *line = *text;
+
+ while (**text == ' ' || **text == '\t')
+ (*text)++;
+
+ /* Treating underscores as part of command words is important
+ so that "set args_foo()" doesn't get interpreted as
+ "set args _foo()". */
+ for (p = *text;
+ *p && (isalnum (*p) || *p == '-' || *p == '_' ||
+ (tui_version &&
+ (*p == '+' || *p == '<' || *p == '>' || *p == '$')) ||
+ (xdb_commands && (*p == '!' || *p == '/' || *p == '?')));
+ p++)
+ ;
+
+ /* If nothing but whitespace, return 0. */
+ if (p == *text)
+ return 0;
+
+ len = p - *text;
+
+ /* *text and p now bracket the first command word to lookup (and
+ it's length is len). We copy this into a local temporary */
+
+
+ command = (char *) alloca (len + 1);
+ for (tmp = 0; tmp < len; tmp++)
+ {
+ char x = (*text)[tmp];
+ command[tmp] = x;
+ }
+ command[len] = '\0';
+
+ /* Look it up. */
+ found = 0;
+ nfound = 0;
+ found = find_cmd (command, len, clist, ignore_help_classes, &nfound);
+
+ /*
+ ** We didn't find the command in the entered case, so lower case it
+ ** and search again.
+ */
+ if (!found || nfound == 0)
+ {
+ for (tmp = 0; tmp < len; tmp++)
+ {
+ char x = command[tmp];
+ command[tmp] = isupper (x) ? tolower (x) : x;
+ }
+ found = find_cmd (command, len, clist, ignore_help_classes, &nfound);
+ }
+
+ /* If nothing matches, we have a simple failure. */
+ if (nfound == 0)
+ return 0;
+
+ if (nfound > 1)
+ {
+ if (result_list != NULL)
+ /* Will be modified in calling routine
+ if we know what the prefix command is. */
+ *result_list = 0;
+ return (struct cmd_list_element *) -1; /* Ambiguous. */
+ }
+
+ /* We've matched something on this list. Move text pointer forward. */
+
+ *text = p;
+
+ if (found->cmd_pointer)
+ {
+ /* We drop the alias (abbreviation) in favor of the command it is
+ pointing to. If the alias is deprecated, though, we need to
+ warn the user about it before we drop it. Note that while we
+ are warning about the alias, we may also warn about the command
+ itself and we will adjust the appropriate DEPRECATED_WARN_USER
+ flags */
+
+ if (found->flags & DEPRECATED_WARN_USER)
+ deprecated_cmd_warning (&line);
+ found = found->cmd_pointer;
+ }
+ /* If we found a prefix command, keep looking. */
+
+ if (found->prefixlist)
+ {
+ c = lookup_cmd_1 (text, *found->prefixlist, result_list,
+ ignore_help_classes);
+ if (!c)
+ {
+ /* Didn't find anything; this is as far as we got. */
+ if (result_list != NULL)
+ *result_list = clist;
+ return found;
+ }
+ else if (c == (struct cmd_list_element *) -1)
+ {
+ /* We've gotten this far properly, but the next step
+ is ambiguous. We need to set the result list to the best
+ we've found (if an inferior hasn't already set it). */
+ if (result_list != NULL)
+ if (!*result_list)
+ /* This used to say *result_list = *found->prefixlist
+ If that was correct, need to modify the documentation
+ at the top of this function to clarify what is supposed
+ to be going on. */
+ *result_list = found;
+ return c;
+ }
+ else
+ {
+ /* We matched! */
+ return c;
+ }
+ }
+ else
+ {
+ if (result_list != NULL)
+ *result_list = clist;
+ return found;
+ }
+}
+
+/* All this hair to move the space to the front of cmdtype */
+
+static void
+undef_cmd_error (char *cmdtype, char *q)
+{
+ error ("Undefined %scommand: \"%s\". Try \"help%s%.*s\".",
+ cmdtype,
+ q,
+ *cmdtype ? " " : "",
+ strlen (cmdtype) - 1,
+ cmdtype);
+}
+
+/* Look up the contents of *LINE as a command in the command list LIST.
+ LIST is a chain of struct cmd_list_element's.
+ If it is found, return the struct cmd_list_element for that command
+ and update *LINE to point after the command name, at the first argument.
+ If not found, call error if ALLOW_UNKNOWN is zero
+ otherwise (or if error returns) return zero.
+ Call error if specified command is ambiguous,
+ unless ALLOW_UNKNOWN is negative.
+ CMDTYPE precedes the word "command" in the error message.
+
+ If INGNORE_HELP_CLASSES is nonzero, ignore any command list
+ elements which are actually help classes rather than commands (i.e.
+ the function field of the struct cmd_list_element is 0). */
+
+struct cmd_list_element *
+lookup_cmd (char **line, struct cmd_list_element *list, char *cmdtype,
+ int allow_unknown, int ignore_help_classes)
+{
+ struct cmd_list_element *last_list = 0;
+ struct cmd_list_element *c =
+ lookup_cmd_1 (line, list, &last_list, ignore_help_classes);
+
+ /* Note: Do not remove trailing whitespace here because this
+ would be wrong for complete_command. Jim Kingdon */
+
+ if (!c)
+ {
+ if (!allow_unknown)
+ {
+ if (!*line)
+ error ("Lack of needed %scommand", cmdtype);
+ else
+ {
+ char *p = *line, *q;
+
+ while (isalnum (*p) || *p == '-')
+ p++;
+
+ q = (char *) alloca (p - *line + 1);
+ strncpy (q, *line, p - *line);
+ q[p - *line] = '\0';
+ undef_cmd_error (cmdtype, q);
+ }
+ }
+ else
+ return 0;
+ }
+ else if (c == (struct cmd_list_element *) -1)
+ {
+ /* Ambigous. Local values should be off prefixlist or called
+ values. */
+ int local_allow_unknown = (last_list ? last_list->allow_unknown :
+ allow_unknown);
+ char *local_cmdtype = last_list ? last_list->prefixname : cmdtype;
+ struct cmd_list_element *local_list =
+ (last_list ? *(last_list->prefixlist) : list);
+
+ if (local_allow_unknown < 0)
+ {
+ if (last_list)
+ return last_list; /* Found something. */
+ else
+ return 0; /* Found nothing. */
+ }
+ else
+ {
+ /* Report as error. */
+ int amb_len;
+ char ambbuf[100];
+
+ for (amb_len = 0;
+ ((*line)[amb_len] && (*line)[amb_len] != ' '
+ && (*line)[amb_len] != '\t');
+ amb_len++)
+ ;
+
+ ambbuf[0] = 0;
+ for (c = local_list; c; c = c->next)
+ if (!strncmp (*line, c->name, amb_len))
+ {
+ if (strlen (ambbuf) + strlen (c->name) + 6 < (int) sizeof ambbuf)
+ {
+ if (strlen (ambbuf))
+ strcat (ambbuf, ", ");
+ strcat (ambbuf, c->name);
+ }
+ else
+ {
+ strcat (ambbuf, "..");
+ break;
+ }
+ }
+ error ("Ambiguous %scommand \"%s\": %s.", local_cmdtype,
+ *line, ambbuf);
+ return 0; /* lint */
+ }
+ }
+ else
+ {
+ /* We've got something. It may still not be what the caller
+ wants (if this command *needs* a subcommand). */
+ while (**line == ' ' || **line == '\t')
+ (*line)++;
+
+ if (c->prefixlist && **line && !c->allow_unknown)
+ undef_cmd_error (c->prefixname, *line);
+
+ /* Seems to be what he wants. Return it. */
+ return c;
+ }
+ return 0;
+}
+
+/* We are here presumably because an alias or command in *TEXT is
+ deprecated and a warning message should be generated. This function
+ decodes *TEXT and potentially generates a warning message as outlined
+ below.
+
+ Example for 'set endian big' which has a fictitious alias 'seb'.
+
+ If alias wasn't used in *TEXT, and the command is deprecated:
+ "warning: 'set endian big' is deprecated."
+
+ If alias was used, and only the alias is deprecated:
+ "warning: 'seb' an alias for the command 'set endian big' is deprecated."
+
+ If alias was used and command is deprecated (regardless of whether the
+ alias itself is deprecated:
+
+ "warning: 'set endian big' (seb) is deprecated."
+
+ After the message has been sent, clear the appropriate flags in the
+ command and/or the alias so the user is no longer bothered.
+
+*/
+void
+deprecated_cmd_warning (char **text)
+{
+ struct cmd_list_element *alias = NULL;
+ struct cmd_list_element *prefix_cmd = NULL;
+ struct cmd_list_element *cmd = NULL;
+ struct cmd_list_element *c;
+ char *type;
+
+ if (!lookup_cmd_composition (*text, &alias, &prefix_cmd, &cmd))
+ /* return if text doesn't evaluate to a command */
+ return;
+
+ if (!((alias ? (alias->flags & DEPRECATED_WARN_USER) : 0)
+ || (cmd->flags & DEPRECATED_WARN_USER) ) )
+ /* return if nothing is deprecated */
+ return;
+
+ printf_filtered ("Warning:");
+
+ if (alias && !(cmd->flags & CMD_DEPRECATED))
+ printf_filtered (" '%s', an alias for the", alias->name);
+
+ printf_filtered (" command '");
+
+ if (prefix_cmd)
+ printf_filtered ("%s", prefix_cmd->prefixname);
+
+ printf_filtered ("%s", cmd->name);
+
+ if (alias && (cmd->flags & CMD_DEPRECATED))
+ printf_filtered ("' (%s) is deprecated.\n", alias->name);
+ else
+ printf_filtered ("' is deprecated.\n");
+
+
+ /* if it is only the alias that is deprecated, we want to indicate the
+ new alias, otherwise we'll indicate the new command */
+
+ if (alias && !(cmd->flags & CMD_DEPRECATED))
+ {
+ if (alias->replacement)
+ printf_filtered ("Use '%s'.\n\n", alias->replacement);
+ else
+ printf_filtered ("No alternative known.\n\n");
+ }
+ else
+ {
+ if (cmd->replacement)
+ printf_filtered ("Use '%s'.\n\n", cmd->replacement);
+ else
+ printf_filtered ("No alternative known.\n\n");
+ }
+
+ /* We've warned you, now we'll keep quiet */
+ if (alias)
+ alias->flags &= ~DEPRECATED_WARN_USER;
+
+ cmd->flags &= ~DEPRECATED_WARN_USER;
+}
+
+
+
+/* Look up the contents of LINE as a command in the command list 'cmdlist'.
+ Return 1 on success, 0 on failure.
+
+ If LINE refers to an alias, *alias will point to that alias.
+
+ If LINE is a postfix command (i.e. one that is preceeded by a prefix
+ command) set *prefix_cmd.
+
+ Set *cmd to point to the command LINE indicates.
+
+ If any of *alias, *prefix_cmd, or *cmd cannot be determined or do not
+ exist, they are NULL when we return.
+
+*/
+int
+lookup_cmd_composition (char *text,
+ struct cmd_list_element **alias,
+ struct cmd_list_element **prefix_cmd,
+ struct cmd_list_element **cmd)
+{
+ char *p, *command;
+ int len, tmp, nfound;
+ struct cmd_list_element *cur_list;
+ struct cmd_list_element *prev_cmd;
+ *alias = NULL;
+ *prefix_cmd = NULL;
+ *cmd = NULL;
+
+ cur_list = cmdlist;
+
+ while (1)
+ {
+ /* Go through as many command lists as we need to
+ to find the command TEXT refers to. */
+
+ prev_cmd = *cmd;
+
+ while (*text == ' ' || *text == '\t')
+ (text)++;
+
+ /* Treating underscores as part of command words is important
+ so that "set args_foo()" doesn't get interpreted as
+ "set args _foo()". */
+ for (p = text;
+ *p && (isalnum (*p) || *p == '-' || *p == '_' ||
+ (tui_version &&
+ (*p == '+' || *p == '<' || *p == '>' || *p == '$')) ||
+ (xdb_commands && (*p == '!' || *p == '/' || *p == '?')));
+ p++)
+ ;
+
+ /* If nothing but whitespace, return. */
+ if (p == text)
+ return 0;
+
+ len = p - text;
+
+ /* text and p now bracket the first command word to lookup (and
+ it's length is len). We copy this into a local temporary */
+
+ command = (char *) alloca (len + 1);
+ for (tmp = 0; tmp < len; tmp++)
+ {
+ char x = text[tmp];
+ command[tmp] = x;
+ }
+ command[len] = '\0';
+
+ /* Look it up. */
+ *cmd = 0;
+ nfound = 0;
+ *cmd = find_cmd (command, len, cur_list, 1, &nfound);
+
+ /* We didn't find the command in the entered case, so lower case it
+ and search again.
+ */
+ if (!*cmd || nfound == 0)
+ {
+ for (tmp = 0; tmp < len; tmp++)
+ {
+ char x = command[tmp];
+ command[tmp] = isupper (x) ? tolower (x) : x;
+ }
+ *cmd = find_cmd (command, len, cur_list, 1, &nfound);
+ }
+
+ if (*cmd == (struct cmd_list_element *) -1)
+ {
+ return 0; /* ambiguous */
+ }
+
+ if (*cmd == NULL)
+ return 0; /* nothing found */
+ else
+ {
+ if ((*cmd)->cmd_pointer)
+ {
+ /* cmd was actually an alias, we note that an alias was used
+ (by assigning *alais) and we set *cmd.
+ */
+ *alias = *cmd;
+ *cmd = (*cmd)->cmd_pointer;
+ }
+ *prefix_cmd = prev_cmd;
+ }
+ if ((*cmd)->prefixlist)
+ cur_list = *(*cmd)->prefixlist;
+ else
+ return 1;
+
+ text = p;
+ }
+}
+
+/* Helper function for SYMBOL_COMPLETION_FUNCTION. */
+
+/* Return a vector of char pointers which point to the different
+ possible completions in LIST of TEXT.
+
+ WORD points in the same buffer as TEXT, and completions should be
+ returned relative to this position. For example, suppose TEXT is "foo"
+ and we want to complete to "foobar". If WORD is "oo", return
+ "oobar"; if WORD is "baz/foo", return "baz/foobar". */
+
+char **
+complete_on_cmdlist (struct cmd_list_element *list, char *text, char *word)
+{
+ struct cmd_list_element *ptr;
+ char **matchlist;
+ int sizeof_matchlist;
+ int matches;
+ int textlen = strlen (text);
+
+ sizeof_matchlist = 10;
+ matchlist = (char **) xmalloc (sizeof_matchlist * sizeof (char *));
+ matches = 0;
+
+ for (ptr = list; ptr; ptr = ptr->next)
+ if (!strncmp (ptr->name, text, textlen)
+ && !ptr->abbrev_flag
+ && (ptr->function.cfunc
+ || ptr->prefixlist))
+ {
+ if (matches == sizeof_matchlist)
+ {
+ sizeof_matchlist *= 2;
+ matchlist = (char **) xrealloc ((char *) matchlist,
+ (sizeof_matchlist
+ * sizeof (char *)));
+ }
+
+ matchlist[matches] = (char *)
+ xmalloc (strlen (word) + strlen (ptr->name) + 1);
+ if (word == text)
+ strcpy (matchlist[matches], ptr->name);
+ else if (word > text)
+ {
+ /* Return some portion of ptr->name. */
+ strcpy (matchlist[matches], ptr->name + (word - text));
+ }
+ else
+ {
+ /* Return some of text plus ptr->name. */
+ strncpy (matchlist[matches], word, text - word);
+ matchlist[matches][text - word] = '\0';
+ strcat (matchlist[matches], ptr->name);
+ }
+ ++matches;
+ }
+
+ if (matches == 0)
+ {
+ xfree (matchlist);
+ matchlist = 0;
+ }
+ else
+ {
+ matchlist = (char **) xrealloc ((char *) matchlist, ((matches + 1)
+ * sizeof (char *)));
+ matchlist[matches] = (char *) 0;
+ }
+
+ return matchlist;
+}
+
+/* Helper function for SYMBOL_COMPLETION_FUNCTION. */
+
+/* Return a vector of char pointers which point to the different
+ possible completions in CMD of TEXT.
+
+ WORD points in the same buffer as TEXT, and completions should be
+ returned relative to this position. For example, suppose TEXT is "foo"
+ and we want to complete to "foobar". If WORD is "oo", return
+ "oobar"; if WORD is "baz/foo", return "baz/foobar". */
+
+char **
+complete_on_enum (const char *enumlist[],
+ char *text,
+ char *word)
+{
+ char **matchlist;
+ int sizeof_matchlist;
+ int matches;
+ int textlen = strlen (text);
+ int i;
+ const char *name;
+
+ sizeof_matchlist = 10;
+ matchlist = (char **) xmalloc (sizeof_matchlist * sizeof (char *));
+ matches = 0;
+
+ for (i = 0; (name = enumlist[i]) != NULL; i++)
+ if (strncmp (name, text, textlen) == 0)
+ {
+ if (matches == sizeof_matchlist)
+ {
+ sizeof_matchlist *= 2;
+ matchlist = (char **) xrealloc ((char *) matchlist,
+ (sizeof_matchlist
+ * sizeof (char *)));
+ }
+
+ matchlist[matches] = (char *)
+ xmalloc (strlen (word) + strlen (name) + 1);
+ if (word == text)
+ strcpy (matchlist[matches], name);
+ else if (word > text)
+ {
+ /* Return some portion of name. */
+ strcpy (matchlist[matches], name + (word - text));
+ }
+ else
+ {
+ /* Return some of text plus name. */
+ strncpy (matchlist[matches], word, text - word);
+ matchlist[matches][text - word] = '\0';
+ strcat (matchlist[matches], name);
+ }
+ ++matches;
+ }
+
+ if (matches == 0)
+ {
+ xfree (matchlist);
+ matchlist = 0;
+ }
+ else
+ {
+ matchlist = (char **) xrealloc ((char *) matchlist, ((matches + 1)
+ * sizeof (char *)));
+ matchlist[matches] = (char *) 0;
+ }
+
+ return matchlist;
+}
+
cli-decode.c
Property changes :
Added: svn:executable
## -0,0 +1 ##
+*
\ No newline at end of property
Index: cli-script.c
===================================================================
--- cli-script.c (nonexistent)
+++ cli-script.c (revision 1765)
@@ -0,0 +1,1319 @@
+/* GDB CLI command scripting.
+ Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
+ 1996, 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
+
+ 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 "value.h"
+#include "language.h" /* For value_true */
+#include
+
+#ifdef UI_OUT
+#include "ui-out.h"
+#endif
+
+#include "top.h"
+#include "cli/cli-cmds.h"
+#include "cli/cli-decode.h"
+#include "cli/cli-script.h"
+
+/* From gdb/top.c */
+
+extern void dont_repeat (void);
+
+extern void do_restore_instream_cleanup (void *stream);
+
+/* Prototypes for local functions */
+
+static struct cleanup *
+ make_cleanup_free_command_lines (struct command_line **arg);
+
+static enum command_control_type
+ recurse_read_control_structure (struct command_line *current_cmd);
+
+static char *insert_args (char *line);
+
+static struct cleanup * setup_user_args (char *p);
+
+static void validate_comname (char *);
+
+/* Level of control structure. */
+static int control_level;
+
+/* Source command state variable. */
+static int source_error_allocated;
+
+/* Structure for arguments to user defined functions. */
+#define MAXUSERARGS 10
+struct user_args
+ {
+ struct user_args *next;
+ struct
+ {
+ char *arg;
+ int len;
+ }
+ a[MAXUSERARGS];
+ int count;
+ }
+ *user_args;
+
+
+/* Allocate, initialize a new command line structure for one of the
+ control commands (if/while). */
+
+static struct command_line *
+build_command_line (enum command_control_type type, char *args)
+{
+ struct command_line *cmd;
+
+ if (args == NULL)
+ error ("if/while commands require arguments.\n");
+
+ cmd = (struct command_line *) xmalloc (sizeof (struct command_line));
+ cmd->next = NULL;
+ cmd->control_type = type;
+
+ cmd->body_count = 1;
+ cmd->body_list
+ = (struct command_line **) xmalloc (sizeof (struct command_line *)
+ * cmd->body_count);
+ memset (cmd->body_list, 0, sizeof (struct command_line *) * cmd->body_count);
+ cmd->line = savestring (args, strlen (args));
+ return cmd;
+}
+
+/* Build and return a new command structure for the control commands
+ such as "if" and "while". */
+
+static struct command_line *
+get_command_line (enum command_control_type type, char *arg)
+{
+ struct command_line *cmd;
+ struct cleanup *old_chain = NULL;
+
+ /* Allocate and build a new command line structure. */
+ cmd = build_command_line (type, arg);
+
+ old_chain = make_cleanup_free_command_lines (&cmd);
+
+ /* Read in the body of this command. */
+ if (recurse_read_control_structure (cmd) == invalid_control)
+ {
+ warning ("error reading in control structure\n");
+ do_cleanups (old_chain);
+ return NULL;
+ }
+
+ discard_cleanups (old_chain);
+ return cmd;
+}
+
+/* Recursively print a command (including full control structures). */
+#ifdef UI_OUT
+void
+print_command_lines (struct ui_out *uiout, struct command_line *cmd,
+ unsigned int depth)
+{
+ struct command_line *list;
+
+ list = cmd;
+ while (list)
+ {
+
+ if (depth)
+ ui_out_spaces (uiout, 2 * depth);
+
+ /* A simple command, print it and continue. */
+ if (list->control_type == simple_control)
+ {
+ ui_out_field_string (uiout, NULL, list->line);
+ ui_out_text (uiout, "\n");
+ list = list->next;
+ continue;
+ }
+
+ /* loop_continue to jump to the start of a while loop, print it
+ and continue. */
+ if (list->control_type == continue_control)
+ {
+ ui_out_field_string (uiout, NULL, "loop_continue");
+ ui_out_text (uiout, "\n");
+ list = list->next;
+ continue;
+ }
+
+ /* loop_break to break out of a while loop, print it and continue. */
+ if (list->control_type == break_control)
+ {
+ ui_out_field_string (uiout, NULL, "loop_break");
+ ui_out_text (uiout, "\n");
+ list = list->next;
+ continue;
+ }
+
+ /* A while command. Recursively print its subcommands and continue. */
+ if (list->control_type == while_control)
+ {
+ ui_out_text (uiout, "while ");
+ ui_out_field_fmt (uiout, NULL, "while %s", list->line);
+ ui_out_text (uiout, "\n");
+ print_command_lines (uiout, *list->body_list, depth + 1);
+ ui_out_field_string (uiout, NULL, "end");
+ if (depth)
+ ui_out_spaces (uiout, 2 * depth);
+ ui_out_text (uiout, "end\n");
+ list = list->next;
+ continue;
+ }
+
+ /* An if command. Recursively print both arms before continueing. */
+ if (list->control_type == if_control)
+ {
+ ui_out_text (uiout, "if ");
+ ui_out_field_fmt (uiout, NULL, "if %s", list->line);
+ ui_out_text (uiout, "\n");
+ /* The true arm. */
+ print_command_lines (uiout, list->body_list[0], depth + 1);
+
+ /* Show the false arm if it exists. */
+ if (list->body_count == 2)
+ {
+ if (depth)
+ ui_out_spaces (uiout, 2 * depth);
+ ui_out_field_string (uiout, NULL, "else");
+ ui_out_text (uiout, "else\n");
+ print_command_lines (uiout, list->body_list[1], depth + 1);
+ }
+
+ ui_out_field_string (uiout, NULL, "end");
+ if (depth)
+ ui_out_spaces (uiout, 2 * depth);
+ ui_out_text (uiout, "end\n");
+ list = list->next;
+ continue;
+ }
+
+ /* ignore illegal command type and try next */
+ list = list->next;
+ } /* while (list) */
+}
+#else
+void
+print_command_line (struct command_line *cmd, unsigned int depth,
+ struct ui_file *stream)
+{
+ unsigned int i;
+
+ if (depth)
+ {
+ for (i = 0; i < depth; i++)
+ fputs_filtered (" ", stream);
+ }
+
+ /* A simple command, print it and return. */
+ if (cmd->control_type == simple_control)
+ {
+ fputs_filtered (cmd->line, stream);
+ fputs_filtered ("\n", stream);
+ return;
+ }
+
+ /* loop_continue to jump to the start of a while loop, print it
+ and return. */
+ if (cmd->control_type == continue_control)
+ {
+ fputs_filtered ("loop_continue\n", stream);
+ return;
+ }
+
+ /* loop_break to break out of a while loop, print it and return. */
+ if (cmd->control_type == break_control)
+ {
+ fputs_filtered ("loop_break\n", stream);
+ return;
+ }
+
+ /* A while command. Recursively print its subcommands before returning. */
+ if (cmd->control_type == while_control)
+ {
+ struct command_line *list;
+ fputs_filtered ("while ", stream);
+ fputs_filtered (cmd->line, stream);
+ fputs_filtered ("\n", stream);
+ list = *cmd->body_list;
+ while (list)
+ {
+ print_command_line (list, depth + 1, stream);
+ list = list->next;
+ }
+ }
+
+ /* An if command. Recursively print both arms before returning. */
+ if (cmd->control_type == if_control)
+ {
+ fputs_filtered ("if ", stream);
+ fputs_filtered (cmd->line, stream);
+ fputs_filtered ("\n", stream);
+ /* The true arm. */
+ print_command_line (cmd->body_list[0], depth + 1, stream);
+
+ /* Show the false arm if it exists. */
+ if (cmd->body_count == 2)
+ {
+ if (depth)
+ {
+ for (i = 0; i < depth; i++)
+ fputs_filtered (" ", stream);
+ }
+ fputs_filtered ("else\n", stream);
+ print_command_line (cmd->body_list[1], depth + 1, stream);
+ }
+ if (depth)
+ {
+ for (i = 0; i < depth; i++)
+ fputs_filtered (" ", stream);
+ }
+ fputs_filtered ("end\n", stream);
+ }
+}
+#endif
+
+/* Execute the command in CMD. */
+
+void
+execute_user_command (struct cmd_list_element *c, char *args)
+{
+ register struct command_line *cmdlines;
+ struct cleanup *old_chain;
+ enum command_control_type ret;
+
+ old_chain = setup_user_args (args);
+
+ cmdlines = c->user_commands;
+ if (cmdlines == 0)
+ /* Null command */
+ return;
+
+ /* Set the instream to 0, indicating execution of a
+ user-defined function. */
+ old_chain = make_cleanup (do_restore_instream_cleanup, instream);
+ instream = (FILE *) 0;
+ while (cmdlines)
+ {
+ ret = execute_control_command (cmdlines);
+ if (ret != simple_control && ret != break_control)
+ {
+ warning ("Error in control structure.\n");
+ break;
+ }
+ cmdlines = cmdlines->next;
+ }
+ do_cleanups (old_chain);
+}
+
+enum command_control_type
+execute_control_command (struct command_line *cmd)
+{
+ struct expression *expr;
+ struct command_line *current;
+ struct cleanup *old_chain = 0;
+ value_ptr val;
+ value_ptr val_mark;
+ int loop;
+ enum command_control_type ret;
+ char *new_line;
+
+ switch (cmd->control_type)
+ {
+ case simple_control:
+ /* A simple command, execute it and return. */
+ new_line = insert_args (cmd->line);
+ if (!new_line)
+ return invalid_control;
+ old_chain = make_cleanup (free_current_contents, &new_line);
+ execute_command (new_line, 0);
+ ret = cmd->control_type;
+ break;
+
+ case continue_control:
+ case break_control:
+ /* Return for "continue", and "break" so we can either
+ continue the loop at the top, or break out. */
+ ret = cmd->control_type;
+ break;
+
+ case while_control:
+ {
+ /* Parse the loop control expression for the while statement. */
+ new_line = insert_args (cmd->line);
+ if (!new_line)
+ return invalid_control;
+ old_chain = make_cleanup (free_current_contents, &new_line);
+ expr = parse_expression (new_line);
+ make_cleanup (free_current_contents, &expr);
+
+ ret = simple_control;
+ loop = 1;
+
+ /* Keep iterating so long as the expression is true. */
+ while (loop == 1)
+ {
+ int cond_result;
+
+ QUIT;
+
+ /* Evaluate the expression. */
+ val_mark = value_mark ();
+ val = evaluate_expression (expr);
+ cond_result = value_true (val);
+ value_free_to_mark (val_mark);
+
+ /* If the value is false, then break out of the loop. */
+ if (!cond_result)
+ break;
+
+ /* Execute the body of the while statement. */
+ current = *cmd->body_list;
+ while (current)
+ {
+ ret = execute_control_command (current);
+
+ /* If we got an error, or a "break" command, then stop
+ looping. */
+ if (ret == invalid_control || ret == break_control)
+ {
+ loop = 0;
+ break;
+ }
+
+ /* If we got a "continue" command, then restart the loop
+ at this point. */
+ if (ret == continue_control)
+ break;
+
+ /* Get the next statement. */
+ current = current->next;
+ }
+ }
+
+ /* Reset RET so that we don't recurse the break all the way down. */
+ if (ret == break_control)
+ ret = simple_control;
+
+ break;
+ }
+
+ case if_control:
+ {
+ new_line = insert_args (cmd->line);
+ if (!new_line)
+ return invalid_control;
+ old_chain = make_cleanup (free_current_contents, &new_line);
+ /* Parse the conditional for the if statement. */
+ expr = parse_expression (new_line);
+ make_cleanup (free_current_contents, &expr);
+
+ current = NULL;
+ ret = simple_control;
+
+ /* Evaluate the conditional. */
+ val_mark = value_mark ();
+ val = evaluate_expression (expr);
+
+ /* Choose which arm to take commands from based on the value of the
+ conditional expression. */
+ if (value_true (val))
+ current = *cmd->body_list;
+ else if (cmd->body_count == 2)
+ current = *(cmd->body_list + 1);
+ value_free_to_mark (val_mark);
+
+ /* Execute commands in the given arm. */
+ while (current)
+ {
+ ret = execute_control_command (current);
+
+ /* If we got an error, get out. */
+ if (ret != simple_control)
+ break;
+
+ /* Get the next statement in the body. */
+ current = current->next;
+ }
+
+ break;
+ }
+
+ default:
+ warning ("Invalid control type in command structure.");
+ return invalid_control;
+ }
+
+ if (old_chain)
+ do_cleanups (old_chain);
+
+ return ret;
+}
+
+/* "while" command support. Executes a body of statements while the
+ loop condition is nonzero. */
+
+void
+while_command (char *arg, int from_tty)
+{
+ struct command_line *command = NULL;
+
+ control_level = 1;
+ command = get_command_line (while_control, arg);
+
+ if (command == NULL)
+ return;
+
+ execute_control_command (command);
+ free_command_lines (&command);
+}
+
+/* "if" command support. Execute either the true or false arm depending
+ on the value of the if conditional. */
+
+void
+if_command (char *arg, int from_tty)
+{
+ struct command_line *command = NULL;
+
+ control_level = 1;
+ command = get_command_line (if_control, arg);
+
+ if (command == NULL)
+ return;
+
+ execute_control_command (command);
+ free_command_lines (&command);
+}
+
+/* Cleanup */
+static void
+arg_cleanup (void *ignore)
+{
+ struct user_args *oargs = user_args;
+ if (!user_args)
+ internal_error (__FILE__, __LINE__,
+ "arg_cleanup called with no user args.\n");
+
+ user_args = user_args->next;
+ xfree (oargs);
+}
+
+/* Bind the incomming arguments for a user defined command to
+ $arg0, $arg1 ... $argMAXUSERARGS. */
+
+static struct cleanup *
+setup_user_args (char *p)
+{
+ struct user_args *args;
+ struct cleanup *old_chain;
+ unsigned int arg_count = 0;
+
+ args = (struct user_args *) xmalloc (sizeof (struct user_args));
+ memset (args, 0, sizeof (struct user_args));
+
+ args->next = user_args;
+ user_args = args;
+
+ old_chain = make_cleanup (arg_cleanup, 0/*ignored*/);
+
+ if (p == NULL)
+ return old_chain;
+
+ while (*p)
+ {
+ char *start_arg;
+ int squote = 0;
+ int dquote = 0;
+ int bsquote = 0;
+
+ if (arg_count >= MAXUSERARGS)
+ {
+ error ("user defined function may only have %d arguments.\n",
+ MAXUSERARGS);
+ return old_chain;
+ }
+
+ /* Strip whitespace. */
+ while (*p == ' ' || *p == '\t')
+ p++;
+
+ /* P now points to an argument. */
+ start_arg = p;
+ user_args->a[arg_count].arg = p;
+
+ /* Get to the end of this argument. */
+ while (*p)
+ {
+ if (((*p == ' ' || *p == '\t')) && !squote && !dquote && !bsquote)
+ break;
+ else
+ {
+ if (bsquote)
+ bsquote = 0;
+ else if (*p == '\\')
+ bsquote = 1;
+ else if (squote)
+ {
+ if (*p == '\'')
+ squote = 0;
+ }
+ else if (dquote)
+ {
+ if (*p == '"')
+ dquote = 0;
+ }
+ else
+ {
+ if (*p == '\'')
+ squote = 1;
+ else if (*p == '"')
+ dquote = 1;
+ }
+ p++;
+ }
+ }
+
+ user_args->a[arg_count].len = p - start_arg;
+ arg_count++;
+ user_args->count++;
+ }
+ return old_chain;
+}
+
+/* Given character string P, return a point to the first argument ($arg),
+ or NULL if P contains no arguments. */
+
+static char *
+locate_arg (char *p)
+{
+ while ((p = strchr (p, '$')))
+ {
+ if (strncmp (p, "$arg", 4) == 0 && isdigit (p[4]))
+ return p;
+ p++;
+ }
+ return NULL;
+}
+
+/* Insert the user defined arguments stored in user_arg into the $arg
+ arguments found in line, with the updated copy being placed into nline. */
+
+static char *
+insert_args (char *line)
+{
+ char *p, *save_line, *new_line;
+ unsigned len, i;
+
+ /* First we need to know how much memory to allocate for the new line. */
+ save_line = line;
+ len = 0;
+ while ((p = locate_arg (line)))
+ {
+ len += p - line;
+ i = p[4] - '0';
+
+ if (i >= user_args->count)
+ {
+ error ("Missing argument %d in user function.\n", i);
+ return NULL;
+ }
+ len += user_args->a[i].len;
+ line = p + 5;
+ }
+
+ /* Don't forget the tail. */
+ len += strlen (line);
+
+ /* Allocate space for the new line and fill it in. */
+ new_line = (char *) xmalloc (len + 1);
+ if (new_line == NULL)
+ return NULL;
+
+ /* Restore pointer to beginning of old line. */
+ line = save_line;
+
+ /* Save pointer to beginning of new line. */
+ save_line = new_line;
+
+ while ((p = locate_arg (line)))
+ {
+ int i, len;
+
+ memcpy (new_line, line, p - line);
+ new_line += p - line;
+ i = p[4] - '0';
+
+ len = user_args->a[i].len;
+ if (len)
+ {
+ memcpy (new_line, user_args->a[i].arg, len);
+ new_line += len;
+ }
+ line = p + 5;
+ }
+ /* Don't forget the tail. */
+ strcpy (new_line, line);
+
+ /* Return a pointer to the beginning of the new line. */
+ return save_line;
+}
+
+
+/* Expand the body_list of COMMAND so that it can hold NEW_LENGTH
+ code bodies. This is typically used when we encounter an "else"
+ clause for an "if" command. */
+
+static void
+realloc_body_list (struct command_line *command, int new_length)
+{
+ int n;
+ struct command_line **body_list;
+
+ n = command->body_count;
+
+ /* Nothing to do? */
+ if (new_length <= n)
+ return;
+
+ body_list = (struct command_line **)
+ xmalloc (sizeof (struct command_line *) * new_length);
+
+ memcpy (body_list, command->body_list, sizeof (struct command_line *) * n);
+
+ xfree (command->body_list);
+ command->body_list = body_list;
+ command->body_count = new_length;
+}
+
+/* Read one line from the input stream. If the command is an "else" or
+ "end", return such an indication to the caller. */
+
+static enum misc_command_type
+read_next_line (struct command_line **command)
+{
+ char *p, *p1, *prompt_ptr, control_prompt[256];
+ int i = 0;
+
+ if (control_level >= 254)
+ error ("Control nesting too deep!\n");
+
+ /* Set a prompt based on the nesting of the control commands. */
+ if (instream == stdin || (instream == 0 && readline_hook != NULL))
+ {
+ for (i = 0; i < control_level; i++)
+ control_prompt[i] = ' ';
+ control_prompt[i] = '>';
+ control_prompt[i + 1] = '\0';
+ prompt_ptr = (char *) &control_prompt[0];
+ }
+ else
+ prompt_ptr = NULL;
+
+ p = command_line_input (prompt_ptr, instream == stdin, "commands");
+
+ /* Not sure what to do here. */
+ if (p == NULL)
+ return end_command;
+
+ /* Strip leading and trailing whitespace. */
+ while (*p == ' ' || *p == '\t')
+ p++;
+
+ p1 = p + strlen (p);
+ while (p1 != p && (p1[-1] == ' ' || p1[-1] == '\t'))
+ p1--;
+
+ /* Blanks and comments don't really do anything, but we need to
+ distinguish them from else, end and other commands which can be
+ executed. */
+ if (p1 == p || p[0] == '#')
+ return nop_command;
+
+ /* Is this the end of a simple, while, or if control structure? */
+ if (p1 - p == 3 && !strncmp (p, "end", 3))
+ return end_command;
+
+ /* Is the else clause of an if control structure? */
+ if (p1 - p == 4 && !strncmp (p, "else", 4))
+ return else_command;
+
+ /* Check for while, if, break, continue, etc and build a new command
+ line structure for them. */
+ if (p1 - p > 5 && !strncmp (p, "while", 5))
+ *command = build_command_line (while_control, p + 6);
+ else if (p1 - p > 2 && !strncmp (p, "if", 2))
+ *command = build_command_line (if_control, p + 3);
+ else if (p1 - p == 10 && !strncmp (p, "loop_break", 10))
+ {
+ *command = (struct command_line *)
+ xmalloc (sizeof (struct command_line));
+ (*command)->next = NULL;
+ (*command)->line = NULL;
+ (*command)->control_type = break_control;
+ (*command)->body_count = 0;
+ (*command)->body_list = NULL;
+ }
+ else if (p1 - p == 13 && !strncmp (p, "loop_continue", 13))
+ {
+ *command = (struct command_line *)
+ xmalloc (sizeof (struct command_line));
+ (*command)->next = NULL;
+ (*command)->line = NULL;
+ (*command)->control_type = continue_control;
+ (*command)->body_count = 0;
+ (*command)->body_list = NULL;
+ }
+ else
+ {
+ /* A normal command. */
+ *command = (struct command_line *)
+ xmalloc (sizeof (struct command_line));
+ (*command)->next = NULL;
+ (*command)->line = savestring (p, p1 - p);
+ (*command)->control_type = simple_control;
+ (*command)->body_count = 0;
+ (*command)->body_list = NULL;
+ }
+
+ /* Nothing special. */
+ return ok_command;
+}
+
+/* Recursively read in the control structures and create a command_line
+ structure from them.
+
+ The parent_control parameter is the control structure in which the
+ following commands are nested. */
+
+static enum command_control_type
+recurse_read_control_structure (struct command_line *current_cmd)
+{
+ int current_body, i;
+ enum misc_command_type val;
+ enum command_control_type ret;
+ struct command_line **body_ptr, *child_tail, *next;
+
+ child_tail = NULL;
+ current_body = 1;
+
+ /* Sanity checks. */
+ if (current_cmd->control_type == simple_control)
+ {
+ error ("Recursed on a simple control type\n");
+ return invalid_control;
+ }
+
+ if (current_body > current_cmd->body_count)
+ {
+ error ("Allocated body is smaller than this command type needs\n");
+ return invalid_control;
+ }
+
+ /* Read lines from the input stream and build control structures. */
+ while (1)
+ {
+ dont_repeat ();
+
+ next = NULL;
+ val = read_next_line (&next);
+
+ /* Just skip blanks and comments. */
+ if (val == nop_command)
+ continue;
+
+ if (val == end_command)
+ {
+ if (current_cmd->control_type == while_control
+ || current_cmd->control_type == if_control)
+ {
+ /* Success reading an entire control structure. */
+ ret = simple_control;
+ break;
+ }
+ else
+ {
+ ret = invalid_control;
+ break;
+ }
+ }
+
+ /* Not the end of a control structure. */
+ if (val == else_command)
+ {
+ if (current_cmd->control_type == if_control
+ && current_body == 1)
+ {
+ realloc_body_list (current_cmd, 2);
+ current_body = 2;
+ child_tail = NULL;
+ continue;
+ }
+ else
+ {
+ ret = invalid_control;
+ break;
+ }
+ }
+
+ if (child_tail)
+ {
+ child_tail->next = next;
+ }
+ else
+ {
+ body_ptr = current_cmd->body_list;
+ for (i = 1; i < current_body; i++)
+ body_ptr++;
+
+ *body_ptr = next;
+
+ }
+
+ child_tail = next;
+
+ /* If the latest line is another control structure, then recurse
+ on it. */
+ if (next->control_type == while_control
+ || next->control_type == if_control)
+ {
+ control_level++;
+ ret = recurse_read_control_structure (next);
+ control_level--;
+
+ if (ret != simple_control)
+ break;
+ }
+ }
+
+ dont_repeat ();
+
+ return ret;
+}
+
+/* Read lines from the input stream and accumulate them in a chain of
+ struct command_line's, which is then returned. For input from a
+ terminal, the special command "end" is used to mark the end of the
+ input, and is not included in the returned chain of commands. */
+
+#define END_MESSAGE "End with a line saying just \"end\"."
+
+struct command_line *
+read_command_lines (char *prompt_arg, int from_tty)
+{
+ struct command_line *head, *tail, *next;
+ struct cleanup *old_chain;
+ enum command_control_type ret;
+ enum misc_command_type val;
+
+ control_level = 0;
+ if (readline_begin_hook)
+ {
+ /* Note - intentional to merge messages with no newline */
+ (*readline_begin_hook) ("%s %s\n", prompt_arg, END_MESSAGE);
+ }
+ else if (from_tty && input_from_terminal_p ())
+ {
+ printf_unfiltered ("%s\n%s\n", prompt_arg, END_MESSAGE);
+ gdb_flush (gdb_stdout);
+ }
+
+ head = tail = NULL;
+ old_chain = NULL;
+
+ while (1)
+ {
+ val = read_next_line (&next);
+
+ /* Ignore blank lines or comments. */
+ if (val == nop_command)
+ continue;
+
+ if (val == end_command)
+ {
+ ret = simple_control;
+ break;
+ }
+
+ if (val != ok_command)
+ {
+ ret = invalid_control;
+ break;
+ }
+
+ if (next->control_type == while_control
+ || next->control_type == if_control)
+ {
+ control_level++;
+ ret = recurse_read_control_structure (next);
+ control_level--;
+
+ if (ret == invalid_control)
+ break;
+ }
+
+ if (tail)
+ {
+ tail->next = next;
+ }
+ else
+ {
+ head = next;
+ old_chain = make_cleanup_free_command_lines (&head);
+ }
+ tail = next;
+ }
+
+ dont_repeat ();
+
+ if (head)
+ {
+ if (ret != invalid_control)
+ {
+ discard_cleanups (old_chain);
+ }
+ else
+ do_cleanups (old_chain);
+ }
+
+ if (readline_end_hook)
+ {
+ (*readline_end_hook) ();
+ }
+ return (head);
+}
+
+/* Free a chain of struct command_line's. */
+
+void
+free_command_lines (struct command_line **lptr)
+{
+ register struct command_line *l = *lptr;
+ register struct command_line *next;
+ struct command_line **blist;
+ int i;
+
+ while (l)
+ {
+ if (l->body_count > 0)
+ {
+ blist = l->body_list;
+ for (i = 0; i < l->body_count; i++, blist++)
+ free_command_lines (blist);
+ }
+ next = l->next;
+ xfree (l->line);
+ xfree (l);
+ l = next;
+ }
+ *lptr = NULL;
+}
+
+static void
+do_free_command_lines_cleanup (void *arg)
+{
+ free_command_lines (arg);
+}
+
+static struct cleanup *
+make_cleanup_free_command_lines (struct command_line **arg)
+{
+ return make_cleanup (do_free_command_lines_cleanup, arg);
+}
+
+static void
+validate_comname (char *comname)
+{
+ register char *p;
+
+ if (comname == 0)
+ error_no_arg ("name of command to define");
+
+ p = comname;
+ while (*p)
+ {
+ if (!isalnum (*p) && *p != '-' && *p != '_')
+ error ("Junk in argument list: \"%s\"", p);
+ p++;
+ }
+}
+
+/* This is just a placeholder in the command data structures. */
+static void
+user_defined_command (char *ignore, int from_tty)
+{
+}
+
+void
+define_command (char *comname, int from_tty)
+{
+#define MAX_TMPBUF 128
+ enum cmd_hook_type
+ {
+ CMD_NO_HOOK = 0,
+ CMD_PRE_HOOK,
+ CMD_POST_HOOK
+ };
+ register struct command_line *cmds;
+ register struct cmd_list_element *c, *newc, *oldc, *hookc = 0;
+ char *tem = comname;
+ char *tem2;
+ char tmpbuf[MAX_TMPBUF];
+ int hook_type = CMD_NO_HOOK;
+ int hook_name_size = 0;
+
+#define HOOK_STRING "hook-"
+#define HOOK_LEN 5
+#define HOOK_POST_STRING "hookpost-"
+#define HOOK_POST_LEN 9
+
+ validate_comname (comname);
+
+ /* Look it up, and verify that we got an exact match. */
+ c = lookup_cmd (&tem, cmdlist, "", -1, 1);
+ if (c && !STREQ (comname, c->name))
+ c = 0;
+
+ if (c)
+ {
+ if (c->class == class_user || c->class == class_alias)
+ tem = "Redefine command \"%s\"? ";
+ else
+ tem = "Really redefine built-in command \"%s\"? ";
+ if (!query (tem, c->name))
+ error ("Command \"%s\" not redefined.", c->name);
+ }
+
+ /* If this new command is a hook, then mark the command which it
+ is hooking. Note that we allow hooking `help' commands, so that
+ we can hook the `stop' pseudo-command. */
+
+ if (!strncmp (comname, HOOK_STRING, HOOK_LEN))
+ {
+ hook_type = CMD_PRE_HOOK;
+ hook_name_size = HOOK_LEN;
+ }
+ else if (!strncmp (comname, HOOK_POST_STRING, HOOK_POST_LEN))
+ {
+ hook_type = CMD_POST_HOOK;
+ hook_name_size = HOOK_POST_LEN;
+ }
+
+ if (hook_type != CMD_NO_HOOK)
+ {
+ /* Look up cmd it hooks, and verify that we got an exact match. */
+ tem = comname + hook_name_size;
+ hookc = lookup_cmd (&tem, cmdlist, "", -1, 0);
+ if (hookc && !STREQ (comname + hook_name_size, hookc->name))
+ hookc = 0;
+ if (!hookc)
+ {
+ warning ("Your new `%s' command does not hook any existing command.",
+ comname);
+ if (!query ("Proceed? "))
+ error ("Not confirmed.");
+ }
+ }
+
+ comname = savestring (comname, strlen (comname));
+
+ /* If the rest of the commands will be case insensitive, this one
+ should behave in the same manner. */
+ for (tem = comname; *tem; tem++)
+ if (isupper (*tem))
+ *tem = tolower (*tem);
+
+ sprintf (tmpbuf, "Type commands for definition of \"%s\".", comname);
+ cmds = read_command_lines (tmpbuf, from_tty);
+
+ if (c && c->class == class_user)
+ free_command_lines (&c->user_commands);
+
+ newc = add_cmd (comname, class_user, user_defined_command,
+ (c && c->class == class_user)
+ ? c->doc : savestring ("User-defined.", 13), &cmdlist);
+ newc->user_commands = cmds;
+
+ /* If this new command is a hook, then mark both commands as being
+ tied. */
+ if (hookc)
+ {
+ switch (hook_type)
+ {
+ case CMD_PRE_HOOK:
+ hookc->hook_pre = newc; /* Target gets hooked. */
+ newc->hookee_pre = hookc; /* We are marked as hooking target cmd. */
+ break;
+ case CMD_POST_HOOK:
+ hookc->hook_post = newc; /* Target gets hooked. */
+ newc->hookee_post = hookc; /* We are marked as hooking target cmd. */
+ break;
+ default:
+ /* Should never come here as hookc would be 0. */
+ internal_error (__FILE__, __LINE__, "bad switch");
+ }
+ }
+}
+
+void
+document_command (char *comname, int from_tty)
+{
+ struct command_line *doclines;
+ register struct cmd_list_element *c;
+ char *tem = comname;
+ char tmpbuf[128];
+
+ validate_comname (comname);
+
+ c = lookup_cmd (&tem, cmdlist, "", 0, 1);
+
+ if (c->class != class_user)
+ error ("Command \"%s\" is built-in.", comname);
+
+ sprintf (tmpbuf, "Type documentation for \"%s\".", comname);
+ doclines = read_command_lines (tmpbuf, from_tty);
+
+ if (c->doc)
+ xfree (c->doc);
+
+ {
+ register struct command_line *cl1;
+ register int len = 0;
+
+ for (cl1 = doclines; cl1; cl1 = cl1->next)
+ len += strlen (cl1->line) + 1;
+
+ c->doc = (char *) xmalloc (len + 1);
+ *c->doc = 0;
+
+ for (cl1 = doclines; cl1; cl1 = cl1->next)
+ {
+ strcat (c->doc, cl1->line);
+ if (cl1->next)
+ strcat (c->doc, "\n");
+ }
+ }
+
+ free_command_lines (&doclines);
+}
+
+struct source_cleanup_lines_args
+{
+ int old_line;
+ char *old_file;
+ char *old_pre_error;
+ char *old_error_pre_print;
+};
+
+static void
+source_cleanup_lines (PTR args)
+{
+ struct source_cleanup_lines_args *p =
+ (struct source_cleanup_lines_args *) args;
+ source_line_number = p->old_line;
+ source_file_name = p->old_file;
+ source_pre_error = p->old_pre_error;
+ error_pre_print = p->old_error_pre_print;
+}
+
+/* ARGSUSED */
+static void
+do_fclose_cleanup (void *stream)
+{
+ fclose (stream);
+}
+
+/* Used to implement source_command */
+
+void
+script_from_file (FILE *stream, char *file)
+{
+ struct cleanup *old_cleanups;
+ struct source_cleanup_lines_args old_lines;
+ int needed_length;
+
+ if (stream == NULL)
+ {
+ internal_error (__FILE__, __LINE__, "called with NULL file pointer!");
+ }
+
+ old_cleanups = make_cleanup (do_fclose_cleanup, stream);
+
+ old_lines.old_line = source_line_number;
+ old_lines.old_file = source_file_name;
+ old_lines.old_pre_error = source_pre_error;
+ old_lines.old_error_pre_print = error_pre_print;
+ make_cleanup (source_cleanup_lines, &old_lines);
+ source_line_number = 0;
+ source_file_name = file;
+ source_pre_error = error_pre_print == NULL ? "" : error_pre_print;
+ source_pre_error = savestring (source_pre_error, strlen (source_pre_error));
+ make_cleanup (xfree, source_pre_error);
+ /* This will get set every time we read a line. So it won't stay "" for
+ long. */
+ error_pre_print = "";
+
+ needed_length = strlen (source_file_name) + strlen (source_pre_error) + 80;
+ if (source_error_allocated < needed_length)
+ {
+ source_error_allocated *= 2;
+ if (source_error_allocated < needed_length)
+ source_error_allocated = needed_length;
+ if (source_error == NULL)
+ source_error = xmalloc (source_error_allocated);
+ else
+ source_error = xrealloc (source_error, source_error_allocated);
+ }
+
+ read_command_file (stream);
+
+ do_cleanups (old_cleanups);
+}
+
+void
+show_user_1 (struct cmd_list_element *c, struct ui_file *stream)
+{
+ register struct command_line *cmdlines;
+
+ cmdlines = c->user_commands;
+ if (!cmdlines)
+ return;
+ fputs_filtered ("User command ", stream);
+ fputs_filtered (c->name, stream);
+ fputs_filtered (":\n", stream);
+
+#ifdef UI_OUT
+ print_command_lines (uiout, cmdlines, 1);
+ fputs_filtered ("\n", stream);
+#else
+ while (cmdlines)
+ {
+ print_command_line (cmdlines, 4, stream);
+ cmdlines = cmdlines->next;
+ }
+ fputs_filtered ("\n", stream);
+#endif
+}
+
cli-script.c
Property changes :
Added: svn:executable
## -0,0 +1 ##
+*
\ No newline at end of property
Index: cli-utils.h
===================================================================
--- cli-utils.h (nonexistent)
+++ cli-utils.h (revision 1765)
@@ -0,0 +1,22 @@
+/* Header file for GDB CLI utility library.
+ Copyright 2001 Free Software Foundation, Inc.
+
+ 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. */
+
+#if !defined (CLI_UTILS_H)
+# define CLI_UTILS_H 1
+
+#endif /* !defined (CLI_UTILS_H) */
cli-utils.h
Property changes :
Added: svn:executable
## -0,0 +1 ##
+*
\ No newline at end of property
Index: cli-cmds.c
===================================================================
--- cli-cmds.c (nonexistent)
+++ cli-cmds.c (revision 1765)
@@ -0,0 +1,797 @@
+/* GDB CLI commands.
+ Copyright 2000, 2001 Free Software Foundation, Inc.
+
+ 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 "completer.h"
+#include "target.h" /* For baud_rate, remote_debug and remote_timeout */
+#include "gdb_wait.h" /* For shell escape implementation */
+#include "gnu-regex.h" /* Used by apropos_command */
+#include "filenames.h" /* for DOSish file names */
+
+#ifdef UI_OUT
+#include "ui-out.h"
+#endif
+
+#include "top.h"
+#include "cli/cli-decode.h"
+#include "cli/cli-script.h"
+#include "cli/cli-setshow.h"
+#include "cli/cli-cmds.h"
+
+#ifndef GDBINIT_FILENAME
+#define GDBINIT_FILENAME ".gdbinit"
+#endif
+
+/* FIXME: this should be auto-configured! */
+#ifdef __MSDOS__
+# define CANT_FORK
+#endif
+
+/* From gdb/top.c */
+
+extern void dont_repeat (void);
+
+extern void set_verbose (char *, int, struct cmd_list_element *);
+
+extern void show_history (char *, int);
+
+extern void set_history (char *, int);
+
+extern void show_commands (char *, int);
+
+/* Prototypes for local functions */
+
+static void complete_command (char *, int);
+
+static void echo_command (char *, int);
+
+static void pwd_command (char *, int);
+
+static void show_version (char *, int);
+
+static void validate_comname (char *);
+
+static void help_command (char *, int);
+
+static void show_command (char *, int);
+
+static void info_command (char *, int);
+
+static void show_debug (char *, int);
+
+static void set_debug (char *, int);
+
+static void show_user (char *, int);
+
+static void make_command (char *, int);
+
+static void shell_escape (char *, int);
+
+void apropos_command (char *, int);
+
+/* Define all cmd_list_elements. */
+
+/* Chain containing all defined commands. */
+
+struct cmd_list_element *cmdlist;
+
+/* Chain containing all defined info subcommands. */
+
+struct cmd_list_element *infolist;
+
+/* Chain containing all defined enable subcommands. */
+
+struct cmd_list_element *enablelist;
+
+/* Chain containing all defined disable subcommands. */
+
+struct cmd_list_element *disablelist;
+
+/* Chain containing all defined toggle subcommands. */
+
+struct cmd_list_element *togglelist;
+
+/* Chain containing all defined stop subcommands. */
+
+struct cmd_list_element *stoplist;
+
+/* Chain containing all defined delete subcommands. */
+
+struct cmd_list_element *deletelist;
+
+/* Chain containing all defined "enable breakpoint" subcommands. */
+
+struct cmd_list_element *enablebreaklist;
+
+/* Chain containing all defined set subcommands */
+
+struct cmd_list_element *setlist;
+
+/* Chain containing all defined unset subcommands */
+
+struct cmd_list_element *unsetlist;
+
+/* Chain containing all defined show subcommands. */
+
+struct cmd_list_element *showlist;
+
+/* Chain containing all defined \"set history\". */
+
+struct cmd_list_element *sethistlist;
+
+/* Chain containing all defined \"show history\". */
+
+struct cmd_list_element *showhistlist;
+
+/* Chain containing all defined \"unset history\". */
+
+struct cmd_list_element *unsethistlist;
+
+/* Chain containing all defined maintenance subcommands. */
+
+struct cmd_list_element *maintenancelist;
+
+/* Chain containing all defined "maintenance info" subcommands. */
+
+struct cmd_list_element *maintenanceinfolist;
+
+/* Chain containing all defined "maintenance print" subcommands. */
+
+struct cmd_list_element *maintenanceprintlist;
+
+struct cmd_list_element *setprintlist;
+
+struct cmd_list_element *showprintlist;
+
+struct cmd_list_element *setdebuglist;
+
+struct cmd_list_element *showdebuglist;
+
+struct cmd_list_element *setchecklist;
+
+struct cmd_list_element *showchecklist;
+
+/* Utility used everywhere when at least one argument is needed and
+ none is supplied. */
+
+void
+error_no_arg (char *why)
+{
+ error ("Argument required (%s).", why);
+}
+
+/* The "info" command is defined as a prefix, with allow_unknown = 0.
+ Therefore, its own definition is called only for "info" with no args. */
+
+/* ARGSUSED */
+static void
+info_command (char *arg, int from_tty)
+{
+ printf_unfiltered ("\"info\" must be followed by the name of an info command.\n");
+ help_list (infolist, "info ", -1, gdb_stdout);
+}
+
+/* The "show" command with no arguments shows all the settings. */
+
+/* ARGSUSED */
+static void
+show_command (char *arg, int from_tty)
+{
+ cmd_show_list (showlist, from_tty, "");
+}
+
+/* Provide documentation on command or list given by COMMAND. FROM_TTY
+ is ignored. */
+
+/* ARGSUSED */
+static void
+help_command (char *command, int from_tty)
+{
+ help_cmd (command, gdb_stdout);
+}
+
+/* The "complete" command is used by Emacs to implement completion. */
+
+/* ARGSUSED */
+static void
+complete_command (char *arg, int from_tty)
+{
+ int i;
+ int argpoint;
+ char *completion;
+
+ dont_repeat ();
+
+ if (arg == NULL)
+ arg = "";
+ argpoint = strlen (arg);
+
+ for (completion = line_completion_function (arg, i = 0, arg, argpoint);
+ completion;
+ completion = line_completion_function (arg, ++i, arg, argpoint))
+ {
+ printf_unfiltered ("%s\n", completion);
+ xfree (completion);
+ }
+}
+
+int is_complete_command (void (*func) (char *args, int from_tty))
+{
+ return func == complete_command;
+}
+
+/* ARGSUSED */
+static void
+show_version (char *args, int from_tty)
+{
+ immediate_quit++;
+ print_gdb_version (gdb_stdout);
+ printf_filtered ("\n");
+ immediate_quit--;
+}
+
+/* Handle the quit command. */
+
+void
+quit_command (char *args, int from_tty)
+{
+ if (!quit_confirm ())
+ error ("Not confirmed.");
+ quit_force (args, from_tty);
+}
+
+/* ARGSUSED */
+static void
+pwd_command (char *args, int from_tty)
+{
+ if (args)
+ error ("The \"pwd\" command does not take an argument: %s", args);
+ getcwd (gdb_dirbuf, sizeof (gdb_dirbuf));
+
+ if (!STREQ (gdb_dirbuf, current_directory))
+ printf_unfiltered ("Working directory %s\n (canonically %s).\n",
+ current_directory, gdb_dirbuf);
+ else
+ printf_unfiltered ("Working directory %s.\n", current_directory);
+}
+
+void
+cd_command (char *dir, int from_tty)
+{
+ int len;
+ /* Found something other than leading repetitions of "/..". */
+ int found_real_path;
+ char *p;
+
+ /* If the new directory is absolute, repeat is a no-op; if relative,
+ repeat might be useful but is more likely to be a mistake. */
+ dont_repeat ();
+
+ if (dir == 0)
+ error_no_arg ("new working directory");
+
+ dir = tilde_expand (dir);
+ make_cleanup (xfree, dir);
+
+ if (chdir (dir) < 0)
+ perror_with_name (dir);
+
+#ifdef HAVE_DOS_BASED_FILE_SYSTEM
+ /* There's too much mess with DOSish names like "d:", "d:.",
+ "d:./foo" etc. Instead of having lots of special #ifdef'ed code,
+ simply get the canonicalized name of the current directory. */
+ dir = getcwd (gdb_dirbuf, sizeof (gdb_dirbuf));
+#endif
+
+ len = strlen (dir);
+ if (IS_DIR_SEPARATOR (dir[len - 1]))
+ {
+ /* Remove the trailing slash unless this is a root directory
+ (including a drive letter on non-Unix systems). */
+ if (!(len == 1) /* "/" */
+#ifdef HAVE_DOS_BASED_FILE_SYSTEM
+ && !(len == 3 && dir[1] == ':') /* "d:/" */
+#endif
+ )
+ len--;
+ }
+
+ dir = savestring (dir, len);
+ if (IS_ABSOLUTE_PATH (dir))
+ current_directory = dir;
+ else
+ {
+ if (IS_DIR_SEPARATOR (current_directory[strlen (current_directory) - 1]))
+ current_directory = concat (current_directory, dir, NULL);
+ else
+ current_directory = concat (current_directory, SLASH_STRING, dir, NULL);
+ xfree (dir);
+ }
+
+ /* Now simplify any occurrences of `.' and `..' in the pathname. */
+
+ found_real_path = 0;
+ for (p = current_directory; *p;)
+ {
+ if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.'
+ && (p[2] == 0 || IS_DIR_SEPARATOR (p[2])))
+ strcpy (p, p + 2);
+ else if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' && p[2] == '.'
+ && (p[3] == 0 || IS_DIR_SEPARATOR (p[3])))
+ {
+ if (found_real_path)
+ {
+ /* Search backwards for the directory just before the "/.."
+ and obliterate it and the "/..". */
+ char *q = p;
+ while (q != current_directory && !IS_DIR_SEPARATOR (q[-1]))
+ --q;
+
+ if (q == current_directory)
+ /* current_directory is
+ a relative pathname ("can't happen"--leave it alone). */
+ ++p;
+ else
+ {
+ strcpy (q - 1, p + 3);
+ p = q - 1;
+ }
+ }
+ else
+ /* We are dealing with leading repetitions of "/..", for example
+ "/../..", which is the Mach super-root. */
+ p += 3;
+ }
+ else
+ {
+ found_real_path = 1;
+ ++p;
+ }
+ }
+
+ forget_cached_source_info ();
+
+ if (from_tty)
+ pwd_command ((char *) 0, 1);
+}
+
+void
+source_command (char *args, int from_tty)
+{
+ FILE *stream;
+ struct cleanup *old_cleanups;
+ char *file = args;
+
+ if (file == NULL)
+ {
+ error ("source command requires pathname of file to source.");
+ }
+
+ file = tilde_expand (file);
+ old_cleanups = make_cleanup (xfree, file);
+
+ stream = fopen (file, FOPEN_RT);
+ if (!stream)
+ {
+ if (from_tty)
+ perror_with_name (file);
+ else
+ return;
+ }
+
+ script_from_file (stream, file);
+
+ do_cleanups (old_cleanups);
+}
+
+/* ARGSUSED */
+static void
+echo_command (char *text, int from_tty)
+{
+ char *p = text;
+ register int c;
+
+ if (text)
+ while ((c = *p++) != '\0')
+ {
+ if (c == '\\')
+ {
+ /* \ at end of argument is used after spaces
+ so they won't be lost. */
+ if (*p == 0)
+ return;
+
+ c = parse_escape (&p);
+ if (c >= 0)
+ printf_filtered ("%c", c);
+ }
+ else
+ printf_filtered ("%c", c);
+ }
+
+ /* Force this output to appear now. */
+ wrap_here ("");
+ gdb_flush (gdb_stdout);
+}
+
+/* ARGSUSED */
+static void
+shell_escape (char *arg, int from_tty)
+{
+#ifdef CANT_FORK
+ /* If ARG is NULL, they want an inferior shell, but `system' just
+ reports if the shell is available when passed a NULL arg. */
+ int rc = system (arg ? arg : "");
+
+ if (!arg)
+ arg = "inferior shell";
+
+ if (rc == -1)
+ {
+ fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", arg,
+ safe_strerror (errno));
+ gdb_flush (gdb_stderr);
+ }
+ else if (rc)
+ {
+ fprintf_unfiltered (gdb_stderr, "%s exited with status %d\n", arg, rc);
+ gdb_flush (gdb_stderr);
+ }
+#ifdef __DJGPP__
+ /* Make sure to return to the directory GDB thinks it is, in case the
+ shell command we just ran changed it. */
+ chdir (current_directory);
+#endif
+#else /* Can fork. */
+ int rc, status, pid;
+ char *p, *user_shell;
+
+ if ((user_shell = (char *) getenv ("SHELL")) == NULL)
+ user_shell = "/bin/sh";
+
+ /* Get the name of the shell for arg0 */
+ if ((p = strrchr (user_shell, '/')) == NULL)
+ p = user_shell;
+ else
+ p++; /* Get past '/' */
+
+ if ((pid = fork ()) == 0)
+ {
+ if (!arg)
+ execl (user_shell, p, 0);
+ else
+ execl (user_shell, p, "-c", arg, 0);
+
+ fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", user_shell,
+ safe_strerror (errno));
+ gdb_flush (gdb_stderr);
+ _exit (0177);
+ }
+
+ if (pid != -1)
+ while ((rc = wait (&status)) != pid && rc != -1)
+ ;
+ else
+ error ("Fork failed");
+#endif /* Can fork. */
+}
+
+static void
+make_command (char *arg, int from_tty)
+{
+ char *p;
+
+ if (arg == 0)
+ p = "make";
+ else
+ {
+ p = xmalloc (sizeof ("make ") + strlen (arg));
+ strcpy (p, "make ");
+ strcpy (p + sizeof ("make ") - 1, arg);
+ }
+
+ shell_escape (p, from_tty);
+}
+
+/* ARGSUSED */
+static void
+show_user (char *args, int from_tty)
+{
+ struct cmd_list_element *c;
+ extern struct cmd_list_element *cmdlist;
+
+ if (args)
+ {
+ c = lookup_cmd (&args, cmdlist, "", 0, 1);
+ if (c->class != class_user)
+ error ("Not a user command.");
+ show_user_1 (c, gdb_stdout);
+ }
+ else
+ {
+ for (c = cmdlist; c; c = c->next)
+ {
+ if (c->class == class_user)
+ show_user_1 (c, gdb_stdout);
+ }
+ }
+}
+
+/* Search through names of commands and documentations for a certain
+ regular expression.
+*/
+void
+apropos_command (char *searchstr, int from_tty)
+{
+ extern struct cmd_list_element *cmdlist; /*This is the main command list*/
+ regex_t pattern;
+ char *pattern_fastmap;
+ char errorbuffer[512];
+ pattern_fastmap = xcalloc (256, sizeof (char));
+ if (searchstr == NULL)
+ error("REGEXP string is empty");
+
+ if (regcomp(&pattern,searchstr,REG_ICASE) == 0)
+ {
+ pattern.fastmap=pattern_fastmap;
+ re_compile_fastmap(&pattern);
+ apropos_cmd (gdb_stdout,cmdlist,&pattern,"");
+ }
+ else
+ {
+ regerror(regcomp(&pattern,searchstr,REG_ICASE),NULL,errorbuffer,512);
+ error("Error in regular expression:%s",errorbuffer);
+ }
+ xfree (pattern_fastmap);
+}
+
+static void
+set_debug (char *arg, int from_tty)
+{
+ printf_unfiltered ("\"set debug\" must be followed by the name of a print subcommand.\n");
+ help_list (setdebuglist, "set debug ", -1, gdb_stdout);
+}
+
+static void
+show_debug (char *args, int from_tty)
+{
+ cmd_show_list (showdebuglist, from_tty, "");
+}
+
+void
+init_cmd_lists (void)
+{
+ cmdlist = NULL;
+ infolist = NULL;
+ enablelist = NULL;
+ disablelist = NULL;
+ togglelist = NULL;
+ stoplist = NULL;
+ deletelist = NULL;
+ enablebreaklist = NULL;
+ setlist = NULL;
+ unsetlist = NULL;
+ showlist = NULL;
+ sethistlist = NULL;
+ showhistlist = NULL;
+ unsethistlist = NULL;
+ maintenancelist = NULL;
+ maintenanceinfolist = NULL;
+ maintenanceprintlist = NULL;
+ setprintlist = NULL;
+ showprintlist = NULL;
+ setchecklist = NULL;
+ showchecklist = NULL;
+}
+
+
+void
+init_cli_cmds (void)
+{
+ struct cmd_list_element *c;
+
+ /* Define the classes of commands.
+ They will appear in the help list in the reverse of this order. */
+
+ add_cmd ("internals", class_maintenance, NO_FUNCTION,
+ "Maintenance commands.\n\
+Some gdb commands are provided just for use by gdb maintainers.\n\
+These commands are subject to frequent change, and may not be as\n\
+well documented as user commands.",
+ &cmdlist);
+ add_cmd ("obscure", class_obscure, NO_FUNCTION, "Obscure features.", &cmdlist);
+ add_cmd ("aliases", class_alias, NO_FUNCTION, "Aliases of other commands.", &cmdlist);
+ add_cmd ("user-defined", class_user, NO_FUNCTION, "User-defined commands.\n\
+The commands in this class are those defined by the user.\n\
+Use the \"define\" command to define a command.", &cmdlist);
+ add_cmd ("support", class_support, NO_FUNCTION, "Support facilities.", &cmdlist);
+ if (!dbx_commands)
+ add_cmd ("status", class_info, NO_FUNCTION, "Status inquiries.", &cmdlist);
+ add_cmd ("files", class_files, NO_FUNCTION, "Specifying and examining files.", &cmdlist);
+ add_cmd ("breakpoints", class_breakpoint, NO_FUNCTION, "Making program stop at certain points.", &cmdlist);
+ add_cmd ("data", class_vars, NO_FUNCTION, "Examining data.", &cmdlist);
+ add_cmd ("stack", class_stack, NO_FUNCTION, "Examining the stack.\n\
+The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\
+counting from zero for the innermost (currently executing) frame.\n\n\
+At any time gdb identifies one frame as the \"selected\" frame.\n\
+Variable lookups are done with respect to the selected frame.\n\
+When the program being debugged stops, gdb selects the innermost frame.\n\
+The commands below can be used to select other frames by number or address.",
+ &cmdlist);
+ add_cmd ("running", class_run, NO_FUNCTION, "Running the program.", &cmdlist);
+
+ /* Define general commands. */
+
+ add_com ("pwd", class_files, pwd_command,
+ "Print working directory. This is used for your program as well.");
+ c = add_cmd ("cd", class_files, cd_command,
+ "Set working directory to DIR for debugger and program being debugged.\n\
+The change does not take effect for the program being debugged\n\
+until the next time it is started.", &cmdlist);
+ c->completer = filename_completer;
+
+ add_com ("echo", class_support, echo_command,
+ "Print a constant string. Give string as argument.\n\
+C escape sequences may be used in the argument.\n\
+No newline is added at the end of the argument;\n\
+use \"\\n\" if you want a newline to be printed.\n\
+Since leading and trailing whitespace are ignored in command arguments,\n\
+if you want to print some you must use \"\\\" before leading whitespace\n\
+to be printed or after trailing whitespace.");
+ add_com ("document", class_support, document_command,
+ "Document a user-defined command.\n\
+Give command name as argument. Give documentation on following lines.\n\
+End with a line of just \"end\".");
+ add_com ("define", class_support, define_command,
+ "Define a new command name. Command name is argument.\n\
+Definition appears on following lines, one command per line.\n\
+End with a line of just \"end\".\n\
+Use the \"document\" command to give documentation for the new command.\n\
+Commands defined in this way may have up to ten arguments.");
+
+ c = add_cmd ("source", class_support, source_command,
+ "Read commands from a file named FILE.\n\
+Note that the file \"" GDBINIT_FILENAME "\" is read automatically in this way\n\
+when gdb is started.", &cmdlist);
+ c->completer = filename_completer;
+
+ add_com ("quit", class_support, quit_command, "Exit gdb.");
+ add_com ("help", class_support, help_command, "Print list of commands.");
+ add_com_alias ("q", "quit", class_support, 1);
+ add_com_alias ("h", "help", class_support, 1);
+
+ c = add_set_cmd ("verbose", class_support, var_boolean, (char *) &info_verbose,
+ "Set ",
+ &setlist),
+ add_show_from_set (c, &showlist);
+ c->function.sfunc = set_verbose;
+ set_verbose (NULL, 0, c);
+
+ add_prefix_cmd ("history", class_support, set_history,
+ "Generic command for setting command history parameters.",
+ &sethistlist, "set history ", 0, &setlist);
+ add_prefix_cmd ("history", class_support, show_history,
+ "Generic command for showing command history parameters.",
+ &showhistlist, "show history ", 0, &showlist);
+
+ add_show_from_set
+ (add_set_cmd ("expansion", no_class, var_boolean, (char *) &history_expansion_p,
+ "Set history expansion on command input.\n\
+Without an argument, history expansion is enabled.", &sethistlist),
+ &showhistlist);
+
+ add_prefix_cmd ("info", class_info, info_command,
+ "Generic command for showing things about the program being debugged.",
+ &infolist, "info ", 0, &cmdlist);
+ add_com_alias ("i", "info", class_info, 1);
+
+ add_com ("complete", class_obscure, complete_command,
+ "List the completions for the rest of the line as a command.");
+
+ add_prefix_cmd ("show", class_info, show_command,
+ "Generic command for showing things about the debugger.",
+ &showlist, "show ", 0, &cmdlist);
+ /* Another way to get at the same thing. */
+ add_info ("set", show_command, "Show all GDB settings.");
+
+ add_cmd ("commands", no_class, show_commands,
+ "Show the history of commands you typed.\n\
+You can supply a command number to start with, or a `+' to start after\n\
+the previous command number shown.",
+ &showlist);
+
+ add_cmd ("version", no_class, show_version,
+ "Show what version of GDB this is.", &showlist);
+
+ add_com ("while", class_support, while_command,
+ "Execute nested commands WHILE the conditional expression is non zero.\n\
+The conditional expression must follow the word `while' and must in turn be\n\
+followed by a new line. The nested commands must be entered one per line,\n\
+and should be terminated by the word `end'.");
+
+ add_com ("if", class_support, if_command,
+ "Execute nested commands once IF the conditional expression is non zero.\n\
+The conditional expression must follow the word `if' and must in turn be\n\
+followed by a new line. The nested commands must be entered one per line,\n\
+and should be terminated by the word 'else' or `end'. If an else clause\n\
+is used, the same rules apply to its nested commands as to the first ones.");
+
+ /* If target is open when baud changes, it doesn't take effect until the
+ next open (I think, not sure). */
+ add_show_from_set (add_set_cmd ("remotebaud", no_class,
+ var_zinteger, (char *) &baud_rate,
+ "Set baud rate for remote serial I/O.\n\
+This value is used to set the speed of the serial port when debugging\n\
+using remote targets.", &setlist),
+ &showlist);
+
+ c = add_set_cmd ("remotedebug", no_class, var_zinteger,
+ (char *) &remote_debug,
+ "Set debugging of remote protocol.\n\
+When enabled, each packet sent or received with the remote target\n\
+is displayed.", &setlist);
+ deprecate_cmd (c, "set debug remote");
+ deprecate_cmd (add_show_from_set (c, &showlist), "show debug remote");
+
+ add_show_from_set (add_set_cmd ("remote", no_class, var_zinteger,
+ (char *) &remote_debug,
+ "Set debugging of remote protocol.\n\
+When enabled, each packet sent or received with the remote target\n\
+is displayed.", &setdebuglist),
+ &showdebuglist);
+
+ add_show_from_set (
+ add_set_cmd ("remotetimeout", no_class, var_integer, (char *) &remote_timeout,
+ "Set timeout limit to wait for target to respond.\n\
+This value is used to set the time limit for gdb to wait for a response\n\
+from the target.", &setlist),
+ &showlist);
+
+ add_prefix_cmd ("debug", no_class, set_debug,
+ "Generic command for setting gdb debugging flags",
+ &setdebuglist, "set debug ", 0, &setlist);
+
+ add_prefix_cmd ("debug", no_class, show_debug,
+ "Generic command for showing gdb debugging flags",
+ &showdebuglist, "show debug ", 0, &showlist);
+
+ c = add_com ("shell", class_support, shell_escape,
+ "Execute the rest of the line as a shell command. \n\
+With no arguments, run an inferior shell.");
+ c->completer = filename_completer;
+
+ /* NOTE: cagney/2000-03-20: Being able to enter ``(gdb) !ls'' would
+ be a really useful feature. Unfortunately, the below wont do
+ this. Instead it adds support for the form ``(gdb) ! ls''
+ (i.e. the space is required). If the ``!'' command below is
+ added the complains about no ``!'' command would be replaced by
+ complains about how the ``!'' command is broken :-) */
+ if (xdb_commands)
+ add_com_alias ("!", "shell", class_support, 0);
+
+ c = add_com ("make", class_support, make_command,
+ "Run the ``make'' program using the rest of the line as arguments.");
+ c->completer = filename_completer;
+ add_cmd ("user", no_class, show_user,
+ "Show definitions of user defined commands.\n\
+Argument is the name of the user defined command.\n\
+With no argument, show definitions of all user defined commands.", &showlist);
+ add_com ("apropos", class_support, apropos_command, "Search for commands matching a REGEXP");
+}
cli-cmds.c
Property changes :
Added: svn:executable
## -0,0 +1 ##
+*
\ No newline at end of property
Index: cli-decode.h
===================================================================
--- cli-decode.h (nonexistent)
+++ cli-decode.h (revision 1765)
@@ -0,0 +1,357 @@
+/* Header file for GDB command decoding library.
+ Copyright 2000 Free Software Foundation, Inc.
+
+ 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. */
+
+#if !defined (CLI_DECODE_H)
+#define CLI_DECODE_H 1
+
+#include "gnu-regex.h" /* Needed by apropos_cmd. */
+
+/* Command classes are top-level categories into which commands are broken
+ down for "help" purposes.
+ Notes on classes: class_alias is for alias commands which are not
+ abbreviations of the original command. class-pseudo is for
+ commands which are not really commands nor help topics ("stop"). */
+
+enum command_class
+{
+ /* Special args to help_list */
+ class_deprecated, all_classes = -2, all_commands = -1,
+ /* Classes of commands */
+ no_class = -1, class_run = 0, class_vars, class_stack,
+ class_files, class_support, class_info, class_breakpoint, class_trace,
+ class_alias, class_obscure, class_user, class_maintenance,
+ class_pseudo, class_tui, class_xdb
+};
+
+/* Not a set/show command. Note that some commands which begin with
+ "set" or "show" might be in this category, if their syntax does
+ not fall into one of the following categories. */
+typedef enum cmd_types
+ {
+ not_set_cmd,
+ set_cmd,
+ show_cmd
+ }
+cmd_types;
+
+/* Reasonable values for an AUTO_BOOLEAN variable. */
+enum cmd_auto_boolean
+{
+ CMD_AUTO_BOOLEAN_TRUE,
+ CMD_AUTO_BOOLEAN_FALSE,
+ CMD_AUTO_BOOLEAN_AUTO
+};
+
+/* Types of "set" or "show" command. */
+typedef enum var_types
+ {
+ /* "on" or "off". *VAR is an integer which is nonzero for on,
+ zero for off. */
+ var_boolean,
+
+ /* "on" / "true" / "enable" or "off" / "false" / "disable" or
+ "auto. *VAR is an ``enum cmd_auto_boolean''. NOTE: In general
+ a custom show command will need to be implemented - one that
+ for "auto" prints both the "auto" and the current auto-selected
+ value. */
+ var_auto_boolean,
+
+ /* Unsigned Integer. *VAR is an unsigned int. The user can type 0
+ to mean "unlimited", which is stored in *VAR as UINT_MAX. */
+ var_uinteger,
+
+ /* Like var_uinteger but signed. *VAR is an int. The user can type 0
+ to mean "unlimited", which is stored in *VAR as INT_MAX. */
+ var_integer,
+
+ /* String which the user enters with escapes (e.g. the user types \n and
+ it is a real newline in the stored string).
+ *VAR is a malloc'd string, or NULL if the string is empty. */
+ var_string,
+ /* String which stores what the user types verbatim.
+ *VAR is a malloc'd string, or NULL if the string is empty. */
+ var_string_noescape,
+ /* String which stores a filename.
+ *VAR is a malloc'd string, or NULL if the string is empty. */
+ var_filename,
+ /* ZeroableInteger. *VAR is an int. Like Unsigned Integer except
+ that zero really means zero. */
+ var_zinteger,
+ /* Enumerated type. Can only have one of the specified values. *VAR is a
+ char pointer to the name of the element that we find. */
+ var_enum
+ }
+var_types;
+
+/* This structure records one command'd definition. */
+
+
+/* This flag is used by the code executing commands to warn the user
+ the first time a deprecated command is used, see the 'flags' field in
+ the following struct.
+*/
+#define CMD_DEPRECATED 0x1
+#define DEPRECATED_WARN_USER 0x2
+#define MALLOCED_REPLACEMENT 0x4
+
+struct cmd_list_element
+ {
+ /* Points to next command in this list. */
+ struct cmd_list_element *next;
+
+ /* Name of this command. */
+ char *name;
+
+ /* Command class; class values are chosen by application program. */
+ enum command_class class;
+
+ /* Function definition of this command.
+ NO_FUNCTION for command class names and for help topics that
+ are not really commands. */
+ union
+ {
+ /* If type is not_set_cmd, call it like this: */
+ void (*cfunc) (char *args, int from_tty);
+
+ /* If type is cmd_set or show_cmd, first set the variables, and
+ then call this. */
+ void (*sfunc) (char *args, int from_tty, struct cmd_list_element * c);
+ }
+ function;
+#define NO_FUNCTION ((void (*) (char *args, int from_tty)) 0)
+
+ /* Documentation of this command (or help topic).
+ First line is brief documentation; remaining lines form, with it,
+ the full documentation. First line should end with a period.
+ Entire string should also end with a period, not a newline. */
+ char *doc;
+
+ /* flags : a bitfield
+
+ bit 0: (LSB) CMD_DEPRECATED, when 1 indicated that this command
+ is deprecated. It may be removed from gdb's command set in the
+ future.
+
+ bit 1: DEPRECATED_WARN_USER, the user needs to be warned that
+ this is a deprecated command. The user should only be warned
+ the first time a command is used.
+
+ bit 2: MALLOCED_REPLACEMENT, when functions are deprecated at
+ compile time (this is the way it should, in general, be done)
+ the memory containing the replacement string is statically
+ allocated. In some cases it makes sense to deprecate commands
+ at runtime (the testsuite is one example). In this case the
+ memory for replacement is malloc'ed. When a command is
+ undeprecated or re-deprecated at runtime we don't want to risk
+ calling free on statically allocated memory, so we check this
+ flag.
+ */
+ int flags;
+
+ /* if this command is deprecated, this is the replacement name */
+ char *replacement;
+
+ /* Hook for another command to be executed before this command. */
+ struct cmd_list_element *hook_pre;
+
+ /* Hook for another command to be executed after this command. */
+ struct cmd_list_element *hook_post;
+
+ /* Flag that specifies if this command is already running it's hook. */
+ /* Prevents the possibility of hook recursion. */
+ int hook_in;
+
+ /* Nonzero identifies a prefix command. For them, the address
+ of the variable containing the list of subcommands. */
+ struct cmd_list_element **prefixlist;
+
+ /* For prefix commands only:
+ String containing prefix commands to get here: this one
+ plus any others needed to get to it. Should end in a space.
+ It is used before the word "command" in describing the
+ commands reached through this prefix. */
+ char *prefixname;
+
+ /* For prefix commands only:
+ nonzero means do not get an error if subcommand is not
+ recognized; call the prefix's own function in that case. */
+ char allow_unknown;
+
+ /* Nonzero says this is an abbreviation, and should not
+ be mentioned in lists of commands.
+ This allows "br" to complete to "break", which it
+ otherwise wouldn't. */
+ char abbrev_flag;
+
+ /* Completion routine for this command. TEXT is the text beyond
+ what was matched for the command itself (leading whitespace is
+ skipped). It stops where we are supposed to stop completing
+ (rl_point) and is '\0' terminated.
+
+ Return value is a malloc'd vector of pointers to possible completions
+ terminated with NULL. If there are no completions, returning a pointer
+ to a NULL would work but returning NULL itself is also valid.
+ WORD points in the same buffer as TEXT, and completions should be
+ returned relative to this position. For example, suppose TEXT is "foo"
+ and we want to complete to "foobar". If WORD is "oo", return
+ "oobar"; if WORD is "baz/foo", return "baz/foobar". */
+ char **(*completer) (char *text, char *word);
+
+ /* Type of "set" or "show" command (or SET_NOT_SET if not "set"
+ or "show"). */
+ cmd_types type;
+
+ /* Pointer to variable affected by "set" and "show". Doesn't matter
+ if type is not_set. */
+ void *var;
+
+ /* What kind of variable is *VAR? */
+ var_types var_type;
+
+ /* Pointer to NULL terminated list of enumerated values (like argv). */
+ const char **enums;
+
+ /* Pointer to command strings of user-defined commands */
+ struct command_line *user_commands;
+
+ /* Pointer to command that is hooked by this one, (by hook_pre)
+ so the hook can be removed when this one is deleted. */
+ struct cmd_list_element *hookee_pre;
+
+ /* Pointer to command that is hooked by this one, (by hook_post)
+ so the hook can be removed when this one is deleted. */
+ struct cmd_list_element *hookee_post;
+
+ /* Pointer to command that is aliased by this one, so the
+ aliased command can be located in case it has been hooked. */
+ struct cmd_list_element *cmd_pointer;
+ };
+
+/* API to the manipulation of command lists. */
+
+extern struct cmd_list_element *add_cmd (char *, enum command_class,
+ void (*fun) (char *, int), char *,
+ struct cmd_list_element **);
+
+extern struct cmd_list_element *add_alias_cmd (char *, char *,
+ enum command_class, int,
+ struct cmd_list_element **);
+
+extern struct cmd_list_element *add_prefix_cmd (char *, enum command_class,
+ void (*fun) (char *, int),
+ char *,
+ struct cmd_list_element **,
+ char *, int,
+ struct cmd_list_element **);
+
+extern struct cmd_list_element *add_abbrev_prefix_cmd (char *,
+ enum command_class,
+ void (*fun) (char *,
+ int),
+ char *,
+ struct cmd_list_element
+ **, char *, int,
+ struct cmd_list_element
+ **);
+
+extern struct cmd_list_element *lookup_cmd (char **,
+ struct cmd_list_element *, char *,
+ int, int);
+
+extern struct cmd_list_element *lookup_cmd_1 (char **,
+ struct cmd_list_element *,
+ struct cmd_list_element **,
+ int);
+
+extern struct cmd_list_element *
+ deprecate_cmd (struct cmd_list_element *, char * );
+
+extern void
+ deprecated_cmd_warning (char **);
+
+extern int
+ lookup_cmd_composition (char *text,
+ struct cmd_list_element **alias,
+ struct cmd_list_element **prefix_cmd,
+ struct cmd_list_element **cmd);
+
+extern struct cmd_list_element *add_com (char *, enum command_class,
+ void (*fun) (char *, int), char *);
+
+extern struct cmd_list_element *add_com_alias (char *, char *,
+ enum command_class, int);
+
+extern struct cmd_list_element *add_info (char *, void (*fun) (char *, int),
+ char *);
+
+extern struct cmd_list_element *add_info_alias (char *, char *, int);
+
+extern char **complete_on_cmdlist (struct cmd_list_element *, char *, char *);
+
+extern char **complete_on_enum (const char *enumlist[], char *, char *);
+
+extern void delete_cmd (char *, struct cmd_list_element **);
+
+extern void help_cmd_list (struct cmd_list_element *, enum command_class,
+ char *, int, struct ui_file *);
+
+extern struct cmd_list_element *add_set_cmd (char *name, enum
+ command_class class,
+ var_types var_type, void *var,
+ char *doc,
+ struct cmd_list_element **list);
+
+extern struct cmd_list_element *add_set_enum_cmd (char *name,
+ enum command_class class,
+ const char *enumlist[],
+ const char **var,
+ char *doc,
+ struct cmd_list_element **list);
+
+extern struct cmd_list_element *add_set_auto_boolean_cmd (char *name,
+ enum command_class class,
+ enum cmd_auto_boolean *var,
+ char *doc,
+ struct cmd_list_element **list);
+
+extern struct cmd_list_element *add_show_from_set (struct cmd_list_element *,
+ struct cmd_list_element
+ **);
+
+/* Functions that implement commands about CLI commands. */
+
+extern void help_cmd (char *, struct ui_file *);
+
+extern void help_list (struct cmd_list_element *, char *,
+ enum command_class, struct ui_file *);
+
+extern void apropos_cmd (struct ui_file *, struct cmd_list_element *,
+ struct re_pattern_buffer *, char *);
+
+/* Used to mark commands that don't do anything. If we just leave the
+ function field NULL, the command is interpreted as a help topic, or
+ as a class of commands. */
+
+extern void not_just_help_class_command (char *arg, int from_tty);
+
+/* Exported to cli/cli-setshow.c */
+
+extern void print_doc_line (struct ui_file *, char *);
+
+
+#endif /* !defined (CLI_DECODE_H) */
cli-decode.h
Property changes :
Added: svn:executable
## -0,0 +1 ##
+*
\ No newline at end of property