* completer.c (gdb_completer_loc_break_characters): New variable.
(line_completion_function): If we are completing on locations, back up the start of word pointer past all characters which can appear in a location spec. (location_completer): New function. * completer.h: Add prototype for location_completer. * symtab.c (make_source_files_completion_list) (add_filename_to_list, not_interesting_fname): New functions. (filename_seen): New function, body extracted from output_source_filename. (output_source_filename): Call filename_seen to check if the file was already printed. (make_symbol_completion_list): If TEXT includes a double-quoted string, return an empty list, not NULL. (make_file_symbol_completion_list): New function, similar to make_symbol_completion_list but with an additional argument SRCFILE. * symtab.h (make_file_symbol_completion_list) (make_source_files_completion_list): Add prototypes. * breakpoint.c (_initialize_breakpoint): Make location_completer be the completion function for all commands which set breakpoints and watchpoints. (top-level): #include "completer.h". * tracepoint.c (_initialize_tracepoint): Make location_completer be the completion function for the "trace" command. (top-level): #include "completer.h". * printcmd.c (_initialize_printcmd): Make location_completer be the completion function for the "print", "inspect", "call", and "disassemble" commands. (top-level): #include "completer.h". * infcmd.c (_initialize_infcmd): Make location_completer be the completion function for the "go", "jump", and "until" commands. (top-level): #include "completer.h".
This commit is contained in:
parent
6439fc285d
commit
c94fdfd0a8
9 changed files with 608 additions and 67 deletions
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@ -1,3 +1,46 @@
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2001-06-11 Eli Zaretskii <eliz@is.elta.co.il>
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* completer.c (gdb_completer_loc_break_characters): New variable.
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(line_completion_function): If we are completing on locations,
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back up the start of word pointer past all characters which can
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appear in a location spec.
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(location_completer): New function.
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* completer.h: Add prototype for location_completer.
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* symtab.c (make_source_files_completion_list)
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(add_filename_to_list, not_interesting_fname): New functions.
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(filename_seen): New function, body extracted from
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output_source_filename.
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(output_source_filename): Call filename_seen to check if the file
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was already printed.
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(make_symbol_completion_list): If TEXT includes a
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double-quoted string, return an empty list, not NULL.
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(make_file_symbol_completion_list): New function, similar to
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make_symbol_completion_list but with an additional argument
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SRCFILE.
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* symtab.h (make_file_symbol_completion_list)
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(make_source_files_completion_list): Add prototypes.
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* breakpoint.c (_initialize_breakpoint): Make location_completer
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be the completion function for all commands which set breakpoints
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and watchpoints.
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(top-level): #include "completer.h".
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* tracepoint.c (_initialize_tracepoint): Make location_completer
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be the completion function for the "trace" command.
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(top-level): #include "completer.h".
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* printcmd.c (_initialize_printcmd): Make location_completer be
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the completion function for the "print", "inspect", "call", and
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"disassemble" commands.
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(top-level): #include "completer.h".
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* infcmd.c (_initialize_infcmd): Make location_completer be the
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completion function for the "go", "jump", and "until" commands.
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(top-level): #include "completer.h".
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2001-06-10 Christopher Faylor <cgf@redhat.com>
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* gnu-regex.c: Eliminate obsolete check for _MSC_VER.
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@ -40,6 +40,7 @@
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#include "symfile.h"
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#include "objfiles.h"
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#include "linespec.h"
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#include "completer.h"
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#ifdef UI_OUT
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#include "ui-out.h"
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#endif
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@ -7582,24 +7583,29 @@ then no output is printed when it is hit, except what the commands print.");
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Usage is `condition N COND', where N is an integer and COND is an\n\
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expression to be evaluated whenever breakpoint N is reached. ");
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add_com ("tbreak", class_breakpoint, tbreak_command,
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c = add_com ("tbreak", class_breakpoint, tbreak_command,
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"Set a temporary breakpoint. Args like \"break\" command.\n\
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Like \"break\" except the breakpoint is only temporary,\n\
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so it will be deleted when hit. Equivalent to \"break\" followed\n\
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by using \"enable delete\" on the breakpoint number.");
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add_com ("txbreak", class_breakpoint, tbreak_at_finish_command,
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c->completer = location_completer;
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c = add_com ("txbreak", class_breakpoint, tbreak_at_finish_command,
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"Set temporary breakpoint at procedure exit. Either there should\n\
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be no argument or the argument must be a depth.\n");
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c->completer = location_completer;
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add_com ("hbreak", class_breakpoint, hbreak_command,
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c = add_com ("hbreak", class_breakpoint, hbreak_command,
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"Set a hardware assisted breakpoint. Args like \"break\" command.\n\
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Like \"break\" except the breakpoint requires hardware support,\n\
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some target hardware may not have this support.");
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c->completer = location_completer;
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add_com ("thbreak", class_breakpoint, thbreak_command,
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c = add_com ("thbreak", class_breakpoint, thbreak_command,
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"Set a temporary hardware assisted breakpoint. Args like \"break\" command.\n\
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Like \"hbreak\" except the breakpoint is only temporary,\n\
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so it will be deleted when hit.");
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c->completer = location_completer;
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add_prefix_cmd ("enable", class_breakpoint, enable_command,
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"Enable some breakpoints.\n\
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@ -7701,7 +7707,7 @@ is executing in.\n\
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\n\
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See also the \"delete\" command which clears breakpoints by number.", NULL));
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add_com ("break", class_breakpoint, break_command,
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c = add_com ("break", class_breakpoint, break_command,
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concat ("Set breakpoint at specified line or function.\n\
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Argument may be line number, function name, or \"*\" and an address.\n\
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If line number is specified, break at start of code for that line.\n\
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Multiple breakpoints at one place are permitted, and useful if conditional.\n\
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\n\
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Do \"help breakpoints\" for info on other commands dealing with breakpoints.", NULL));
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c->completer = location_completer;
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add_com_alias ("b", "break", class_run, 1);
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add_com_alias ("br", "break", class_run, 1);
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add_com_alias ("bre", "break", class_run, 1);
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@ -7858,20 +7866,23 @@ Like \"catch\" except the catchpoint is only temporary,\n\
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so it will be deleted when hit. Equivalent to \"catch\" followed\n\
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by using \"enable delete\" on the catchpoint number.");
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add_com ("watch", class_breakpoint, watch_command,
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c = add_com ("watch", class_breakpoint, watch_command,
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"Set a watchpoint for an expression.\n\
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A watchpoint stops execution of your program whenever the value of\n\
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an expression changes.");
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c->completer = location_completer;
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add_com ("rwatch", class_breakpoint, rwatch_command,
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c = add_com ("rwatch", class_breakpoint, rwatch_command,
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"Set a read watchpoint for an expression.\n\
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A watchpoint stops execution of your program whenever the value of\n\
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an expression is read.");
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c->completer = location_completer;
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add_com ("awatch", class_breakpoint, awatch_command,
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c = add_com ("awatch", class_breakpoint, awatch_command,
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"Set a watchpoint for an expression.\n\
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A watchpoint stops execution of your program whenever the value of\n\
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an expression is either read or written.");
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c->completer = location_completer;
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add_info ("watchpoints", breakpoints_info,
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"Synonym for ``info breakpoints''.");
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177
gdb/completer.c
177
gdb/completer.c
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#include "symtab.h"
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#include "gdbtypes.h"
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#include "expression.h"
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#include "filenames.h" /* for DOSish file names */
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/* FIXME: This is needed because of lookup_cmd_1().
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We should be calling a hook instead so we eliminate the CLI dependency. */
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#include "gdbcmd.h"
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/* Needed for rl_completer_word_break_characters() */
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/* Needed for rl_completer_word_break_characters() and for
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filename_completion_function. */
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#include <readline/readline.h>
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/* readline defines this. */
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static char *gdb_completer_file_name_break_characters = " \t\n*|\"';:?><";
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#endif
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/* These are used when completing on locations, which can mix file
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names and symbol names separated by a colon. */
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static char *gdb_completer_loc_break_characters = " \t\n*|\"';:?><,";
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/* Characters that can be used to quote completion strings. Note that we
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can't include '"' because the gdb C parser treats such quoted sequences
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as strings. */
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@ -95,8 +101,6 @@ get_gdb_completer_quote_characters (void)
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char **
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filename_completer (char *text, char *word)
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{
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/* From readline. */
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extern char *filename_completion_function (char *, int);
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int subsequent_name;
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char **return_val;
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int return_val_used;
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return return_val;
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}
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/* Complete on locations, which might be of two possible forms:
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file:line
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or
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symbol+offset
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This is intended to be used in commands that set breakpoints etc. */
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char **
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location_completer (char *text, char *word)
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{
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int n_syms = 0, n_files = 0;
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char ** fn_list = NULL;
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char ** list = NULL;
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char *p;
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int quote_found = 0;
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int quoted = *text == '\'' || *text == '"';
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int quote_char = '\0';
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char *colon = NULL;
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char *file_to_match = NULL;
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char *symbol_start = text;
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char *orig_text = text;
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size_t text_len;
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/* Do we have an unquoted colon, as in "break foo.c::bar"? */
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for (p = text; *p != '\0'; ++p)
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{
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if (*p == '\\' && p[1] == '\'')
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p++;
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else if (*p == '\'' || *p == '"')
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{
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quote_found = *p;
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quote_char = *p++;
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while (*p != '\0' && *p != quote_found)
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{
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if (*p == '\\' && p[1] == quote_found)
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p++;
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p++;
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}
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if (*p == quote_found)
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quote_found = 0;
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else
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break; /* hit the end of text */
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}
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#if HAVE_DOS_BASED_FILE_SYSTEM
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/* If we have a DOS-style absolute file name at the beginning of
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TEXT, and the colon after the drive letter is the only colon
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we found, pretend the colon is not there. */
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else if (p < text + 3 && *p == ':' && p == text + 1 + quoted)
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;
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#endif
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else if (*p == ':' && !colon)
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{
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colon = p;
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symbol_start = p + 1;
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}
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else if (strchr (gdb_completer_word_break_characters, *p))
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symbol_start = p + 1;
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}
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if (quoted)
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text++;
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text_len = strlen (text);
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/* Where is the file name? */
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if (colon)
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{
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char *s;
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file_to_match = (char *) xmalloc (colon - text + 1);
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strncpy (file_to_match, text, colon - text + 1);
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/* Remove trailing colons and quotes from the file name. */
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for (s = file_to_match + (colon - text);
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s > file_to_match;
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s--)
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if (*s == ':' || *s == quote_char)
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*s = '\0';
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}
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/* If the text includes a colon, they want completion only on a
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symbol name after the colon. Otherwise, we need to complete on
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symbols as well as on files. */
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if (colon)
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{
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list = make_file_symbol_completion_list (symbol_start, word,
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file_to_match);
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xfree (file_to_match);
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}
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else
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{
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list = make_symbol_completion_list (symbol_start, word);
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/* If text includes characters which cannot appear in a file
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name, they cannot be asking for completion on files. */
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if (strcspn (text, gdb_completer_file_name_break_characters) == text_len)
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fn_list = make_source_files_completion_list (text, text);
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}
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/* How many completions do we have in both lists? */
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if (fn_list)
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for ( ; fn_list[n_files]; n_files++)
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;
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if (list)
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for ( ; list[n_syms]; n_syms++)
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;
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/* Make list[] large enough to hold both lists, then catenate
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fn_list[] onto the end of list[]. */
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if (n_syms && n_files)
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{
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list = xrealloc (list, (n_syms + n_files + 1) * sizeof (char *));
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memcpy (list + n_syms, fn_list, (n_files + 1) * sizeof (char *));
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xfree (fn_list);
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}
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else if (n_files)
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{
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/* If we only have file names as possible completion, we should
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bring them in sync with what rl_complete expects. The
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problem is that if the user types "break /foo/b TAB", and the
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possible completions are "/foo/bar" and "/foo/baz"
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rl_complete expects us to return "bar" and "baz", without the
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leading directories, as possible completions, because `word'
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starts at the "b". But we ignore the value of `word' when we
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call make_source_files_completion_list above (because that
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would not DTRT when the completion results in both symbols
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and file names), so make_source_files_completion_list returns
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the full "/foo/bar" and "/foo/baz" strings. This produces
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wrong results when, e.g., there's only one possible
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completion, because rl_complete will prepend "/foo/" to each
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candidate completion. The loop below removes that leading
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part. */
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for (n_files = 0; fn_list[n_files]; n_files++)
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{
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memmove (fn_list[n_files], fn_list[n_files] + (word - text),
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strlen (fn_list[n_files]) + 1 - (word - text));
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}
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/* Return just the file-name list as the result. */
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list = fn_list;
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}
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else if (!n_syms)
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{
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/* No completions at all. As the final resort, try completing
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on the entire text as a symbol. */
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list = make_symbol_completion_list (orig_text, word);
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}
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return list;
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}
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/* Here are some useful test cases for completion. FIXME: These should
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be put in the test suite. They should be tested with both M-? and TAB.
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|
@ -362,7 +513,7 @@ line_completion_function (char *text, int matches, char *line_buffer, int point)
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to complete the entire text after the
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command, just the last word. To this
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end, we need to find the beginning of the
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file name starting at `word' and going
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file name by starting at `word' and going
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backwards. */
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for (p = word;
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p > tmp_command
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|
@ -372,6 +523,16 @@ line_completion_function (char *text, int matches, char *line_buffer, int point)
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rl_completer_word_break_characters =
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gdb_completer_file_name_break_characters;
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}
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else if (c->completer == location_completer)
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{
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/* Commands which complete on locations want to
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see the entire argument. */
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for (p = word;
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p > tmp_command
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&& p[-1] != ' ' && p[-1] != '\t';
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p--)
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;
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}
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list = (*c->completer) (p, word);
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}
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}
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|
@ -430,6 +591,14 @@ line_completion_function (char *text, int matches, char *line_buffer, int point)
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rl_completer_word_break_characters =
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gdb_completer_file_name_break_characters;
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}
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else if (c->completer == location_completer)
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{
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for (p = word;
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p > tmp_command
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&& p[-1] != ' ' && p[-1] != '\t';
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p--)
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;
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}
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list = (*c->completer) (p, word);
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}
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}
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|
|
|
@ -23,6 +23,8 @@ extern char *line_completion_function (char *, int, char *, int);
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extern char **filename_completer (char *, char *);
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extern char **location_completer (char *, char *);
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extern char *get_gdb_completer_word_break_characters (void);
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extern char *get_gdb_completer_quote_characters (void);
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|
|
14
gdb/infcmd.c
14
gdb/infcmd.c
|
@ -36,6 +36,7 @@
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#include "language.h"
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#include "symfile.h"
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#include "objfiles.h"
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#include "completer.h"
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#ifdef UI_OUT
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#include "ui-out.h"
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#endif
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|
@ -1794,7 +1795,7 @@ _initialize_infcmd (void)
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{
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struct cmd_list_element *c;
|
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c= add_com ("tty", class_run, tty_command,
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c = add_com ("tty", class_run, tty_command,
|
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"Set terminal for future runs of program being debugged.");
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c->completer = filename_completer;
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|
||||
|
@ -1899,25 +1900,30 @@ Argument N means do this N times (or till program stops for another reason).");
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Argument N means do this N times (or till program stops for another reason).");
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add_com_alias ("s", "step", class_run, 1);
|
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|
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add_com ("until", class_run, until_command,
|
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c = add_com ("until", class_run, until_command,
|
||||
"Execute until the program reaches a source line greater than the current\n\
|
||||
or a specified line or address or function (same args as break command).\n\
|
||||
Execution will also stop upon exit from the current stack frame.");
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c->completer = location_completer;
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add_com_alias ("u", "until", class_run, 1);
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add_com ("jump", class_run, jump_command,
|
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c = add_com ("jump", class_run, jump_command,
|
||||
"Continue program being debugged at specified line or address.\n\
|
||||
Give as argument either LINENUM or *ADDR, where ADDR is an expression\n\
|
||||
for an address to start at.");
|
||||
c->completer = location_completer;
|
||||
|
||||
if (xdb_commands)
|
||||
add_com ("go", class_run, go_command,
|
||||
{
|
||||
c = add_com ("go", class_run, go_command,
|
||||
"Usage: go <location>\n\
|
||||
Continue program being debugged, stopping at specified line or \n\
|
||||
address.\n\
|
||||
Give as argument either LINENUM or *ADDR, where ADDR is an \n\
|
||||
expression for an address to start at.\n\
|
||||
This command is a combination of tbreak and jump.");
|
||||
c->completer = location_completer;
|
||||
}
|
||||
|
||||
if (xdb_commands)
|
||||
add_com_alias ("g", "go", class_run, 1);
|
||||
|
|
|
@ -37,6 +37,7 @@
|
|||
#include "annotate.h"
|
||||
#include "symfile.h" /* for overlay functions */
|
||||
#include "objfiles.h" /* ditto */
|
||||
#include "completer.h" /* for completion functions */
|
||||
#ifdef UI_OUT
|
||||
#include "ui-out.h"
|
||||
#endif
|
||||
|
@ -2451,6 +2452,8 @@ print_insn (CORE_ADDR memaddr, struct ui_file *stream)
|
|||
void
|
||||
_initialize_printcmd (void)
|
||||
{
|
||||
struct cmd_list_element *c;
|
||||
|
||||
current_display_number = -1;
|
||||
|
||||
add_info ("address", address_info,
|
||||
|
@ -2473,11 +2476,12 @@ Defaults for format and size letters are those previously used.\n\
|
|||
Default count is 1. Default address is following last thing printed\n\
|
||||
with this command or \"print\".", NULL));
|
||||
|
||||
add_com ("disassemble", class_vars, disassemble_command,
|
||||
c = add_com ("disassemble", class_vars, disassemble_command,
|
||||
"Disassemble a specified section of memory.\n\
|
||||
Default is the function surrounding the pc of the selected frame.\n\
|
||||
With a single argument, the function surrounding that address is dumped.\n\
|
||||
Two arguments are taken as a range of memory to dump.");
|
||||
c->completer = location_completer;
|
||||
if (xdb_commands)
|
||||
add_com_alias ("va", "disassemble", class_xdb, 0);
|
||||
|
||||
|
@ -2555,11 +2559,12 @@ variable in the program being debugged. EXP is any valid expression.\n",
|
|||
You can see these environment settings with the \"show\" command.", NULL));
|
||||
|
||||
/* "call" is the same as "set", but handy for dbx users to call fns. */
|
||||
add_com ("call", class_vars, call_command,
|
||||
c = add_com ("call", class_vars, call_command,
|
||||
"Call a function in the program.\n\
|
||||
The argument is the function name and arguments, in the notation of the\n\
|
||||
current working language. The result is printed and saved in the value\n\
|
||||
history, if it is not void.");
|
||||
c->completer = location_completer;
|
||||
|
||||
add_cmd ("variable", class_vars, set_command,
|
||||
"Evaluate expression EXP and assign result to variable VAR, using assignment\n\
|
||||
|
@ -2570,7 +2575,7 @@ variable in the program being debugged. EXP is any valid expression.\n\
|
|||
This may usually be abbreviated to simply \"set\".",
|
||||
&setlist);
|
||||
|
||||
add_com ("print", class_vars, print_command,
|
||||
c = add_com ("print", class_vars, print_command,
|
||||
concat ("Print value of expression EXP.\n\
|
||||
Variables accessible are those of the lexical environment of the selected\n\
|
||||
stack frame, plus all those whose scope is global or an entire file.\n\
|
||||
|
@ -2592,11 +2597,13 @@ resides in memory.\n",
|
|||
"\n\
|
||||
EXP may be preceded with /FMT, where FMT is a format letter\n\
|
||||
but no count or size letter (see \"x\" command).", NULL));
|
||||
c->completer = location_completer;
|
||||
add_com_alias ("p", "print", class_vars, 1);
|
||||
|
||||
add_com ("inspect", class_vars, inspect_command,
|
||||
c = add_com ("inspect", class_vars, inspect_command,
|
||||
"Same as \"print\" command, except that if you are running in the epoch\n\
|
||||
environment, the value is printed in its own window.");
|
||||
c->completer = location_completer;
|
||||
|
||||
add_show_from_set (
|
||||
add_set_cmd ("max-symbolic-offset", no_class, var_uinteger,
|
||||
|
|
353
gdb/symtab.c
353
gdb/symtab.c
|
@ -2153,50 +2153,72 @@ operator_chars (char *p, char **end)
|
|||
}
|
||||
|
||||
|
||||
/* Slave routine for sources_info. Force line breaks at ,'s.
|
||||
NAME is the name to print and *FIRST is nonzero if this is the first
|
||||
name printed. Set *FIRST to zero. */
|
||||
static void
|
||||
output_source_filename (char *name, int *first)
|
||||
/* If FILE is not already in the table of files, return zero;
|
||||
otherwise return non-zero. Optionally add FILE to the table if ADD
|
||||
is non-zero. If *FIRST is non-zero, forget the old table
|
||||
contents. */
|
||||
static int
|
||||
filename_seen (const char *file, int add, int *first)
|
||||
{
|
||||
/* Table of files printed so far. Since a single source file can
|
||||
result in several partial symbol tables, we need to avoid printing
|
||||
it more than once. Note: if some of the psymtabs are read in and
|
||||
some are not, it gets printed both under "Source files for which
|
||||
symbols have been read" and "Source files for which symbols will
|
||||
be read in on demand". I consider this a reasonable way to deal
|
||||
with the situation. I'm not sure whether this can also happen for
|
||||
symtabs; it doesn't hurt to check. */
|
||||
static char **tab = NULL;
|
||||
/* Table of files seen so far. */
|
||||
static const char **tab = NULL;
|
||||
/* Allocated size of tab in elements.
|
||||
Start with one 256-byte block (when using GNU malloc.c).
|
||||
24 is the malloc overhead when range checking is in effect. */
|
||||
static int tab_alloc_size = (256 - 24) / sizeof (char *);
|
||||
/* Current size of tab in elements. */
|
||||
static int tab_cur_size;
|
||||
|
||||
char **p;
|
||||
const char **p;
|
||||
|
||||
if (*first)
|
||||
{
|
||||
if (tab == NULL)
|
||||
tab = (char **) xmalloc (tab_alloc_size * sizeof (*tab));
|
||||
tab = (const char **) xmalloc (tab_alloc_size * sizeof (*tab));
|
||||
tab_cur_size = 0;
|
||||
}
|
||||
|
||||
/* Is NAME in tab? */
|
||||
/* Is FILE in tab? */
|
||||
for (p = tab; p < tab + tab_cur_size; p++)
|
||||
if (STREQ (*p, name))
|
||||
/* Yes; don't print it again. */
|
||||
return;
|
||||
/* No; add it to tab. */
|
||||
if (strcmp (*p, file) == 0)
|
||||
return 1;
|
||||
|
||||
/* No; maybe add it to tab. */
|
||||
if (add)
|
||||
{
|
||||
if (tab_cur_size == tab_alloc_size)
|
||||
{
|
||||
tab_alloc_size *= 2;
|
||||
tab = (char **) xrealloc ((char *) tab, tab_alloc_size * sizeof (*tab));
|
||||
tab = (const char **) xrealloc ((char *) tab,
|
||||
tab_alloc_size * sizeof (*tab));
|
||||
}
|
||||
tab[tab_cur_size++] = file;
|
||||
}
|
||||
tab[tab_cur_size++] = name;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Slave routine for sources_info. Force line breaks at ,'s.
|
||||
NAME is the name to print and *FIRST is nonzero if this is the first
|
||||
name printed. Set *FIRST to zero. */
|
||||
static void
|
||||
output_source_filename (char *name, int *first)
|
||||
{
|
||||
/* Since a single source file can result in several partial symbol
|
||||
tables, we need to avoid printing it more than once. Note: if
|
||||
some of the psymtabs are read in and some are not, it gets
|
||||
printed both under "Source files for which symbols have been
|
||||
read" and "Source files for which symbols will be read in on
|
||||
demand". I consider this a reasonable way to deal with the
|
||||
situation. I'm not sure whether this can also happen for
|
||||
symtabs; it doesn't hurt to check. */
|
||||
|
||||
/* Was NAME already seen? */
|
||||
if (filename_seen (name, 1, first))
|
||||
{
|
||||
/* Yes; don't print it again. */
|
||||
return;
|
||||
}
|
||||
/* No; print it and reset *FIRST. */
|
||||
if (*first)
|
||||
{
|
||||
*first = 0;
|
||||
|
@ -2871,9 +2893,9 @@ completion_list_add_name (char *symname, char *sym_text, int sym_text_len,
|
|||
}
|
||||
}
|
||||
|
||||
/* Return a NULL terminated array of all symbols (regardless of class) which
|
||||
begin by matching TEXT. If the answer is no symbols, then the return value
|
||||
is an array which contains only a NULL pointer.
|
||||
/* Return a NULL terminated array of all symbols (regardless of class)
|
||||
which begin by matching TEXT. If the answer is no symbols, then
|
||||
the return value is an array which contains only a NULL pointer.
|
||||
|
||||
Problem: All of the symbols have to be copied because readline frees them.
|
||||
I'm not going to worry about this; hopefully there won't be that many. */
|
||||
|
@ -2927,7 +2949,11 @@ make_symbol_completion_list (char *text, char *word)
|
|||
else if (quote_found == '"')
|
||||
/* A double-quoted string is never a symbol, nor does it make sense
|
||||
to complete it any other way. */
|
||||
return NULL;
|
||||
{
|
||||
return_val = (char **) xmalloc (sizeof (char *));
|
||||
return_val[0] = NULL;
|
||||
return return_val;
|
||||
}
|
||||
else
|
||||
{
|
||||
/* It is not a quoted string. Break it based on the characters
|
||||
|
@ -3059,6 +3085,277 @@ make_symbol_completion_list (char *text, char *word)
|
|||
return (return_val);
|
||||
}
|
||||
|
||||
/* Like make_symbol_completion_list, but returns a list of symbols
|
||||
defined in a source file FILE. */
|
||||
|
||||
char **
|
||||
make_file_symbol_completion_list (char *text, char *word, char *srcfile)
|
||||
{
|
||||
register struct symbol *sym;
|
||||
register struct symtab *s;
|
||||
register struct block *b;
|
||||
register int i;
|
||||
/* The symbol we are completing on. Points in same buffer as text. */
|
||||
char *sym_text;
|
||||
/* Length of sym_text. */
|
||||
int sym_text_len;
|
||||
|
||||
/* Now look for the symbol we are supposed to complete on.
|
||||
FIXME: This should be language-specific. */
|
||||
{
|
||||
char *p;
|
||||
char quote_found;
|
||||
char *quote_pos = NULL;
|
||||
|
||||
/* First see if this is a quoted string. */
|
||||
quote_found = '\0';
|
||||
for (p = text; *p != '\0'; ++p)
|
||||
{
|
||||
if (quote_found != '\0')
|
||||
{
|
||||
if (*p == quote_found)
|
||||
/* Found close quote. */
|
||||
quote_found = '\0';
|
||||
else if (*p == '\\' && p[1] == quote_found)
|
||||
/* A backslash followed by the quote character
|
||||
doesn't end the string. */
|
||||
++p;
|
||||
}
|
||||
else if (*p == '\'' || *p == '"')
|
||||
{
|
||||
quote_found = *p;
|
||||
quote_pos = p;
|
||||
}
|
||||
}
|
||||
if (quote_found == '\'')
|
||||
/* A string within single quotes can be a symbol, so complete on it. */
|
||||
sym_text = quote_pos + 1;
|
||||
else if (quote_found == '"')
|
||||
/* A double-quoted string is never a symbol, nor does it make sense
|
||||
to complete it any other way. */
|
||||
{
|
||||
return_val = (char **) xmalloc (sizeof (char *));
|
||||
return_val[0] = NULL;
|
||||
return return_val;
|
||||
}
|
||||
else
|
||||
{
|
||||
/* It is not a quoted string. Break it based on the characters
|
||||
which are in symbols. */
|
||||
while (p > text)
|
||||
{
|
||||
if (isalnum (p[-1]) || p[-1] == '_' || p[-1] == '\0')
|
||||
--p;
|
||||
else
|
||||
break;
|
||||
}
|
||||
sym_text = p;
|
||||
}
|
||||
}
|
||||
|
||||
sym_text_len = strlen (sym_text);
|
||||
|
||||
return_val_size = 10;
|
||||
return_val_index = 0;
|
||||
return_val = (char **) xmalloc ((return_val_size + 1) * sizeof (char *));
|
||||
return_val[0] = NULL;
|
||||
|
||||
/* Find the symtab for SRCFILE (this loads it if it was not yet read
|
||||
in). */
|
||||
s = lookup_symtab (srcfile);
|
||||
if (s == NULL)
|
||||
{
|
||||
/* Maybe they typed the file with leading directories, while the
|
||||
symbol tables record only its basename. */
|
||||
char *tail = basename (srcfile);
|
||||
|
||||
if (tail > srcfile)
|
||||
s = lookup_symtab (tail);
|
||||
}
|
||||
|
||||
/* If we have no symtab for that file, return an empty list. */
|
||||
if (s == NULL)
|
||||
return (return_val);
|
||||
|
||||
/* Go through this symtab and check the externs and statics for
|
||||
symbols which match. */
|
||||
|
||||
b = BLOCKVECTOR_BLOCK (BLOCKVECTOR (s), GLOBAL_BLOCK);
|
||||
for (i = 0; i < BLOCK_NSYMS (b); i++)
|
||||
{
|
||||
sym = BLOCK_SYM (b, i);
|
||||
COMPLETION_LIST_ADD_SYMBOL (sym, sym_text, sym_text_len, text, word);
|
||||
}
|
||||
|
||||
b = BLOCKVECTOR_BLOCK (BLOCKVECTOR (s), STATIC_BLOCK);
|
||||
for (i = 0; i < BLOCK_NSYMS (b); i++)
|
||||
{
|
||||
sym = BLOCK_SYM (b, i);
|
||||
COMPLETION_LIST_ADD_SYMBOL (sym, sym_text, sym_text_len, text, word);
|
||||
}
|
||||
|
||||
return (return_val);
|
||||
}
|
||||
|
||||
/* A helper function for make_source_files_completion_list. It adds
|
||||
another file name to a list of possible completions, growing the
|
||||
list as necessary. */
|
||||
|
||||
static void
|
||||
add_filename_to_list (const char *fname, char *text, char *word,
|
||||
char ***list, int *list_used, int *list_alloced)
|
||||
{
|
||||
char *new;
|
||||
size_t fnlen = strlen (fname);
|
||||
|
||||
if (*list_used + 1 >= *list_alloced)
|
||||
{
|
||||
*list_alloced *= 2;
|
||||
*list = (char **) xrealloc ((char *) *list,
|
||||
*list_alloced * sizeof (char *));
|
||||
}
|
||||
|
||||
if (word == text)
|
||||
{
|
||||
/* Return exactly fname. */
|
||||
new = xmalloc (fnlen + 5);
|
||||
strcpy (new, fname);
|
||||
}
|
||||
else if (word > text)
|
||||
{
|
||||
/* Return some portion of fname. */
|
||||
new = xmalloc (fnlen + 5);
|
||||
strcpy (new, fname + (word - text));
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Return some of TEXT plus fname. */
|
||||
new = xmalloc (fnlen + (text - word) + 5);
|
||||
strncpy (new, word, text - word);
|
||||
new[text - word] = '\0';
|
||||
strcat (new, fname);
|
||||
}
|
||||
(*list)[*list_used] = new;
|
||||
(*list)[++*list_used] = NULL;
|
||||
}
|
||||
|
||||
static int
|
||||
not_interesting_fname (const char *fname)
|
||||
{
|
||||
static const char *illegal_aliens[] = {
|
||||
"_globals_", /* inserted by coff_symtab_read */
|
||||
NULL
|
||||
};
|
||||
int i;
|
||||
|
||||
for (i = 0; illegal_aliens[i]; i++)
|
||||
{
|
||||
if (strcmp (fname, illegal_aliens[i]) == 0)
|
||||
return 1;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Return a NULL terminated array of all source files whose names
|
||||
begin with matching TEXT. The file names are looked up in the
|
||||
symbol tables of this program. If the answer is no matchess, then
|
||||
the return value is an array which contains only a NULL pointer. */
|
||||
|
||||
char **
|
||||
make_source_files_completion_list (char *text, char *word)
|
||||
{
|
||||
register struct symtab *s;
|
||||
register struct partial_symtab *ps;
|
||||
register struct objfile *objfile;
|
||||
int first = 1;
|
||||
int list_alloced = 1;
|
||||
int list_used = 0;
|
||||
size_t text_len = strlen (text);
|
||||
char **list = (char **) xmalloc (list_alloced * sizeof (char *));
|
||||
char *base_name;
|
||||
|
||||
list[0] = NULL;
|
||||
|
||||
if (!have_full_symbols () && !have_partial_symbols ())
|
||||
return list;
|
||||
|
||||
ALL_SYMTABS (objfile, s)
|
||||
{
|
||||
if (not_interesting_fname (s->filename))
|
||||
continue;
|
||||
if (!filename_seen (s->filename, 1, &first)
|
||||
#if HAVE_DOS_BASED_FILE_SYSTEM
|
||||
&& strncasecmp (s->filename, text, text_len) == 0
|
||||
#else
|
||||
&& strncmp (s->filename, text, text_len) == 0
|
||||
#endif
|
||||
)
|
||||
{
|
||||
/* This file matches for a completion; add it to the current
|
||||
list of matches. */
|
||||
add_filename_to_list (s->filename, text, word,
|
||||
&list, &list_used, &list_alloced);
|
||||
}
|
||||
else
|
||||
{
|
||||
/* NOTE: We allow the user to type a base name when the
|
||||
debug info records leading directories, but not the other
|
||||
way around. This is what subroutines of breakpoint
|
||||
command do when they parse file names. */
|
||||
base_name = basename (s->filename);
|
||||
if (base_name != s->filename
|
||||
&& !filename_seen (base_name, 1, &first)
|
||||
#if HAVE_DOS_BASED_FILE_SYSTEM
|
||||
&& strncasecmp (base_name, text, text_len) == 0
|
||||
#else
|
||||
&& strncmp (base_name, text, text_len) == 0
|
||||
#endif
|
||||
)
|
||||
add_filename_to_list (base_name, text, word,
|
||||
&list, &list_used, &list_alloced);
|
||||
}
|
||||
}
|
||||
|
||||
ALL_PSYMTABS (objfile, ps)
|
||||
{
|
||||
if (not_interesting_fname (ps->filename))
|
||||
continue;
|
||||
if (!ps->readin)
|
||||
{
|
||||
if (!filename_seen (ps->filename, 1, &first)
|
||||
#if HAVE_DOS_BASED_FILE_SYSTEM
|
||||
&& strncasecmp (ps->filename, text, text_len) == 0
|
||||
#else
|
||||
&& strncmp (ps->filename, text, text_len) == 0
|
||||
#endif
|
||||
)
|
||||
{
|
||||
/* This file matches for a completion; add it to the
|
||||
current list of matches. */
|
||||
add_filename_to_list (ps->filename, text, word,
|
||||
&list, &list_used, &list_alloced);
|
||||
|
||||
}
|
||||
else
|
||||
{
|
||||
base_name = basename (ps->filename);
|
||||
if (base_name != ps->filename
|
||||
&& !filename_seen (base_name, 1, &first)
|
||||
#if HAVE_DOS_BASED_FILE_SYSTEM
|
||||
&& strncasecmp (base_name, text, text_len) == 0
|
||||
#else
|
||||
&& strncmp (base_name, text, text_len) == 0
|
||||
#endif
|
||||
)
|
||||
add_filename_to_list (base_name, text, word,
|
||||
&list, &list_used, &list_alloced);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return list;
|
||||
}
|
||||
|
||||
/* Determine if PC is in the prologue of a function. The prologue is the area
|
||||
between the first instruction of a function, and the first executable line.
|
||||
Returns 1 if PC *might* be in prologue, 0 if definately *not* in prologue.
|
||||
|
|
|
@ -1359,8 +1359,12 @@ extern void select_source_symtab (struct symtab *);
|
|||
|
||||
extern char **make_symbol_completion_list (char *, char *);
|
||||
|
||||
extern char **make_file_symbol_completion_list (char *, char *, char *);
|
||||
|
||||
extern struct symbol **make_symbol_overload_list (struct symbol *);
|
||||
|
||||
extern char **make_source_files_completion_list (char *, char *);
|
||||
|
||||
/* symtab.c */
|
||||
|
||||
extern struct partial_symtab *find_main_psymtab (void);
|
||||
|
|
|
@ -33,6 +33,7 @@
|
|||
#include "remote.h"
|
||||
#include "linespec.h"
|
||||
#include "regcache.h"
|
||||
#include "completer.h"
|
||||
#include "gdb-events.h"
|
||||
|
||||
#include "ax.h"
|
||||
|
@ -2799,12 +2800,13 @@ Arguments are tracepoint numbers, separated by spaces.\n\
|
|||
No argument means enable all tracepoints.",
|
||||
&enablelist);
|
||||
|
||||
add_com ("trace", class_trace, trace_command,
|
||||
c = add_com ("trace", class_trace, trace_command,
|
||||
"Set a tracepoint at a specified line or function or address.\n\
|
||||
Argument may be a line number, function name, or '*' plus an address.\n\
|
||||
For a line number or function, trace at the start of its code.\n\
|
||||
If an address is specified, trace at that exact address.\n\n\
|
||||
Do \"help tracepoints\" for info on other tracepoint commands.");
|
||||
c->completer = location_completer;
|
||||
|
||||
add_com_alias ("tp", "trace", class_alias, 0);
|
||||
add_com_alias ("tr", "trace", class_alias, 1);
|
||||
|
|
Loading…
Reference in a new issue