+2019-07-11 Andrew Burgess <andrew.burgess@embecosm.com>
+
+ * cli/cli-utils.c (extract_info_print_args): Delete.
+ (extract_arg_maybe_quoted): Delete.
+ (info_print_options_defs): New variable.
+ (make_info_print_options_def_group): New function.
+ (extract_info_print_options): Define new function.
+ * cli/cli-utils.h (extract_info_print_args): Delete.
+ (struct info_print_options): New structure.
+ (extract_info_print_options): Declare new function.
+ * stack.c (info_locals_command): Update to use new
+ extract_info_print_options, also add a header comment.
+ (info_args_command): Likewise.
+ * symtab.c (info_variables_command): Likewise.
+ (info_functions_command): Likewise.
+
2019-07-11 Andrew Burgess <andrew.burgess@embecosm.com>
* cli/cli-option.c (parse_option): Use extract_string_maybe_quoted
#include <ctype.h>
-static std::string extract_arg_maybe_quoted (const char **arg);
-
/* See documentation in cli-utils.h. */
ULONGEST
/* See documentation in cli-utils.h. */
-bool
-extract_info_print_args (const char **args,
- bool *quiet,
- std::string *regexp,
- std::string *t_regexp)
-{
- /* Check for NAMEREGEXP or -- NAMEREGEXP. */
- if (**args != '-' || check_for_argument (args, "--", 2))
- {
- *regexp = *args;
- *args = NULL;
- return true;
- }
-
- if (check_for_argument (args, "-t", 2))
- {
- *t_regexp = extract_arg_maybe_quoted (args);
- *args = skip_spaces (*args);
- return true;
- }
-
- if (check_for_argument (args, "-q", 2))
- {
- *quiet = true;
- return true;
- }
-
- return false;
-}
-
-/* See documentation in cli-utils.h. */
-
void
report_unrecognized_option_error (const char *command, const char *args)
{
return s;
}
-/* A helper function to extract an argument from *ARG. An argument is
- delimited by whitespace, but it can also be optionally quoted.
- The quoting and special characters are handled similarly to
- the parsing done by gdb_argv.
- The return value is empty if no argument was found. */
-
-static std::string
-extract_arg_maybe_quoted (const char **arg)
-{
- bool squote = false;
- bool dquote = false;
- bool bsquote = false;
- std::string result;
- const char *p = *arg;
-
- /* Find the start of the argument. */
- p = skip_spaces (p);
-
- /* Parse p similarly to gdb_argv buildargv function. */
- while (*p != '\0')
- {
- if (isspace (*p) && !squote && !dquote && !bsquote)
- break;
- else
- {
- if (bsquote)
- {
- bsquote = false;
- result += *p;
- }
- else if (*p == '\\')
- bsquote = true;
- else if (squote)
- {
- if (*p == '\'')
- squote = false;
- else
- result += *p;
- }
- else if (dquote)
- {
- if (*p == '"')
- dquote = false;
- else
- result += *p;
- }
- else
- {
- if (*p == '\'')
- squote = true;
- else if (*p == '"')
- dquote = true;
- else
- result += *p;
- }
- p++;
- }
- }
-
- *arg = p;
- return result;
-}
-
/* See documentation in cli-utils.h. */
std::string
error (_("%s: -c and -s are mutually exclusive"), which_command);
}
+/* The options used by the 'info variables' commands and similar. */
+
+static const gdb::option::option_def info_print_options_defs[] = {
+ gdb::option::boolean_option_def<info_print_options> {
+ "q",
+ [] (info_print_options *opt) { return &opt->quiet; },
+ nullptr, /* show_cmd_cb */
+ nullptr /* set_doc */
+ },
+
+ gdb::option::string_option_def<info_print_options> {
+ "t",
+ [] (info_print_options *opt) { return &opt->type_regexp; },
+ nullptr, /* show_cmd_cb */
+ nullptr /* set_doc */
+ }
+};
+
+/* Returns the option group used by 'info variables' and similar. */
+
+static gdb::option::option_def_group
+make_info_print_options_def_group (info_print_options *opts)
+{
+ return {{info_print_options_defs}, opts};
+}
+
/* See documentation in cli-utils.h. */
+
+void
+extract_info_print_options (info_print_options *opts,
+ const char **args)
+{
+ auto grp = make_info_print_options_def_group (opts);
+ gdb::option::process_options
+ (args, gdb::option::PROCESS_OPTIONS_UNKNOWN_IS_OPERAND, grp);
+ if (*args != nullptr && **args == '\0')
+ *args = nullptr;
+}
error instead of returning 0. */
extern ULONGEST get_ulongest (const char **pp, int trailer = '\0');
-/* Extract from ARGS the arguments [-q] [-t TYPEREGEXP] [--] NAMEREGEXP.
-
- The caller is responsible to initialize *QUIET to false, *REGEXP
- and *T_REGEXP to "".
- extract_info_print_args can then be called iteratively to search
- for valid arguments, as part of a 'main parsing loop' searching for
- -q/-t/-- arguments together with other flags and options.
-
- Returns true and updates *ARGS + one of *QUIET, *REGEXP, *T_REGEXP if
- it finds a valid argument.
- Returns false if no valid argument is found at the beginning of ARGS. */
-
-extern bool extract_info_print_args (const char **args,
- bool *quiet,
- std::string *regexp,
- std::string *t_regexp);
+/* Structure to hold the values of the options used by the 'info
+ variables' command and other similar commands. These correspond to the
+ -q and -t options. */
+
+struct info_print_options
+{
+ int quiet = false;
+ char *type_regexp = nullptr;
+
+ ~info_print_options ()
+ {
+ xfree (type_regexp);
+ }
+};
+
+/* Extract options from ARGS for commands like 'info variables', placing
+ the options into OPTS. ARGS is updated to point to the first character
+ after the options, or, if there is nothing after the options, then ARGS
+ is set to nullptr. */
+
+extern void extract_info_print_options (info_print_options *opts,
+ const char **args);
/* Throws an error telling the user that ARGS starts with an option
unrecognized by COMMAND. */
}
}
+/* Implement the 'info locals' command. */
+
void
info_locals_command (const char *args, int from_tty)
{
- std::string regexp;
- std::string t_regexp;
- bool quiet = false;
-
- while (args != NULL
- && extract_info_print_args (&args, &quiet, ®exp, &t_regexp))
- ;
-
- if (args != NULL)
- report_unrecognized_option_error ("info locals", args);
+ info_print_options opts;
+ extract_info_print_options (&opts, &args);
print_frame_local_vars (get_selected_frame (_("No frame selected.")),
- quiet,
- regexp.empty () ? NULL : regexp.c_str (),
- t_regexp.empty () ? NULL : t_regexp.c_str (),
+ opts.quiet, args, opts.type_regexp,
0, gdb_stdout);
}
}
}
+/* Implement the 'info args' command. */
+
void
info_args_command (const char *args, int from_tty)
{
- std::string regexp;
- std::string t_regexp;
- bool quiet = false;
-
- while (args != NULL
- && extract_info_print_args (&args, &quiet, ®exp, &t_regexp))
- ;
-
- if (args != NULL)
- report_unrecognized_option_error ("info args", args);
-
+ info_print_options opts;
+ extract_info_print_options (&opts, &args);
print_frame_arg_vars (get_selected_frame (_("No frame selected.")),
- quiet,
- regexp.empty () ? NULL : regexp.c_str (),
- t_regexp.empty () ? NULL : t_regexp.c_str (),
- gdb_stdout);
+ opts.quiet, args, opts.type_regexp, gdb_stdout);
}
\f
/* Return the symbol-block in which the selected frame is executing.
gdb_assert (kind <= TYPES_DOMAIN);
+ if (regexp != nullptr && *regexp == '\0')
+ regexp = nullptr;
+
/* Must make sure that if we're interrupted, symbols gets freed. */
std::vector<symbol_search> symbols = search_symbols (regexp, kind,
t_regexp, 0, NULL);
}
}
+/* Implement the 'info variables' command. */
+
static void
info_variables_command (const char *args, int from_tty)
{
- std::string regexp;
- std::string t_regexp;
- bool quiet = false;
-
- while (args != NULL
- && extract_info_print_args (&args, &quiet, ®exp, &t_regexp))
- ;
+ info_print_options opts;
+ extract_info_print_options (&opts, &args);
- if (args != NULL)
- report_unrecognized_option_error ("info variables", args);
-
- symtab_symbol_info (quiet,
- regexp.empty () ? NULL : regexp.c_str (),
- VARIABLES_DOMAIN,
- t_regexp.empty () ? NULL : t_regexp.c_str (),
- from_tty);
+ symtab_symbol_info (opts.quiet, args, VARIABLES_DOMAIN,
+ opts.type_regexp, from_tty);
}
+/* Implement the 'info functions' command. */
static void
info_functions_command (const char *args, int from_tty)
{
- std::string regexp;
- std::string t_regexp;
- bool quiet = false;
-
- while (args != NULL
- && extract_info_print_args (&args, &quiet, ®exp, &t_regexp))
- ;
-
- if (args != NULL)
- report_unrecognized_option_error ("info functions", args);
+ info_print_options opts;
+ extract_info_print_options (&opts, &args);
- symtab_symbol_info (quiet,
- regexp.empty () ? NULL : regexp.c_str (),
- FUNCTIONS_DOMAIN,
- t_regexp.empty () ? NULL : t_regexp.c_str (),
- from_tty);
+ symtab_symbol_info (opts.quiet, args, FUNCTIONS_DOMAIN,
+ opts.type_regexp, from_tty);
}
projects / binutils-gdb.git / commitdiff