diff options
Diffstat (limited to 'gdb/macrocmd.c')
-rw-r--r-- | gdb/macrocmd.c | 128 |
1 files changed, 58 insertions, 70 deletions
diff --git a/gdb/macrocmd.c b/gdb/macrocmd.c index b050459..dfb3966 100644 --- a/gdb/macrocmd.c +++ b/gdb/macrocmd.c @@ -17,7 +17,6 @@ You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ - #include "defs.h" #include "macrotab.h" #include "macroexp.h" @@ -28,15 +27,12 @@ #include "gdbcmd.h" #include "linespec.h" - /* The `macro' prefix command. */ static struct cmd_list_element *macrolist; - /* Macro expansion commands. */ - /* Prints an informational message regarding the lack of macro information. */ static void macro_inform_no_debuginfo (void) @@ -52,10 +48,10 @@ macro_expand_command (const char *exp, int from_tty) Then it would be easy to ask, "Hey, what did I just evaluate?" But at the moment, the `print' commands don't save the last expression evaluated, just its value. */ - if (! exp || ! *exp) - error (_("You must follow the `macro expand' command with the" - " expression you\n" - "want to expand.")); + if (!exp || !*exp) + error (_ ("You must follow the `macro expand' command with the" + " expression you\n" + "want to expand.")); gdb::unique_xmalloc_ptr<macro_scope> ms = default_macro_scope (); @@ -71,7 +67,6 @@ macro_expand_command (const char *exp, int from_tty) macro_inform_no_debuginfo (); } - static void macro_expand_once_command (const char *exp, int from_tty) { @@ -80,10 +75,10 @@ macro_expand_once_command (const char *exp, int from_tty) And it should set the once-expanded text as the new `last expression'. That way, you could just hit return over and over and see the expression expanded one level at a time. */ - if (! exp || ! *exp) - error (_("You must follow the `macro expand-once' command with" - " the expression\n" - "you want to expand.")); + if (!exp || !*exp) + error (_ ("You must follow the `macro expand-once' command with" + " the expression\n" + "you want to expand.")); gdb::unique_xmalloc_ptr<macro_scope> ms = default_macro_scope (); @@ -104,20 +99,18 @@ macro_expand_once_command (const char *exp, int from_tty) Care should be taken that this function does not cause any lookups into the splay tree so that it can be safely used while iterating. */ static void -show_pp_source_pos (struct ui_file *stream, - struct macro_source_file *file, +show_pp_source_pos (struct ui_file *stream, struct macro_source_file *file, int line) { std::string fullname = macro_source_fullname (file); gdb_printf (stream, "%ps:%d\n", - styled_string (file_name_style.style (), - fullname.c_str ()), + styled_string (file_name_style.style (), fullname.c_str ()), line); while (file->included_by) { fullname = macro_source_fullname (file->included_by); - gdb_puts (_(" included at "), stream); + gdb_puts (_ (" included at "), stream); fputs_styled (fullname.c_str (), file_name_style.style (), stream); gdb_printf (stream, ":%d\n", file->included_at_line); file = file->included_by; @@ -132,10 +125,8 @@ show_pp_source_pos (struct ui_file *stream, Care should be taken that this function does not cause any lookups into the splay tree so that it can be safely used while iterating. */ static void -print_macro_definition (const char *name, - const struct macro_definition *d, - struct macro_source_file *file, - int line) +print_macro_definition (const char *name, const struct macro_definition *d, + struct macro_source_file *file, int line) { gdb_printf ("Defined at "); show_pp_source_pos (gdb_stdout, file, line); @@ -175,8 +166,8 @@ info_macro_command (const char *args, int from_tty) const char *arg_start = args; int processing_args = 1; - while (processing_args - && arg_start && *arg_start == '-' && *arg_start != '\0') + while (processing_args && arg_start && *arg_start == '-' + && *arg_start != '\0') { const char *p = skip_to_space (arg_start); @@ -184,7 +175,7 @@ info_macro_command (const char *args, int from_tty) || strncmp (arg_start, "-all", p - arg_start) == 0) show_all_macros_named = 1; else if (strncmp (arg_start, "--", p - arg_start) == 0) - /* Our macro support seems rather C specific but this would + /* Our macro support seems rather C specific but this would seem necessary for languages allowing - in macro names. e.g. Scheme's (defmacro ->foo () "bar\n") */ processing_args = 0; @@ -196,24 +187,22 @@ info_macro_command (const char *args, int from_tty) name = arg_start; - if (! name || ! *name) - error (_("You must follow the `info macro' command with the name" - " of the macro\n" - "whose definition you want to see.")); + if (!name || !*name) + error (_ ("You must follow the `info macro' command with the name" + " of the macro\n" + "whose definition you want to see.")); ms = default_macro_scope (); - if (! ms) + if (!ms) macro_inform_no_debuginfo (); else if (show_all_macros_named) - macro_for_each (ms->file->table, [&] (const char *macro_name, - const macro_definition *macro, - macro_source_file *source, - int line) - { - if (strcmp (name, macro_name) == 0) - print_macro_definition (name, macro, source, line); - }); + macro_for_each (ms->file->table, + [&] (const char *macro_name, const macro_definition *macro, + macro_source_file *source, int line) { + if (strcmp (name, macro_name) == 0) + print_macro_definition (name, macro, source, line); + }); else { struct macro_definition *d; @@ -231,7 +220,8 @@ info_macro_command (const char *args, int from_tty) { gdb_printf ("The symbol `%s' has no definition as a C/C++" " preprocessor macro\n" - "at ", name); + "at ", + name); show_pp_source_pos (gdb_stdout, ms->file, ms->line); } } @@ -254,13 +244,12 @@ info_macros_command (const char *args, int from_tty) ms = sal_macro_scope (sals[0]); } - if (! ms || ! ms->file || ! ms->file->table) + if (!ms || !ms->file || !ms->file->table) macro_inform_no_debuginfo (); else macro_for_each_in_scope (ms->file, ms->line, print_macro_definition); } - /* User-defined macros. */ static void @@ -290,7 +279,7 @@ extract_identifier (const char **expp, int is_parameter) } else { - if (! *p || ! macro_is_identifier_nondigit (*p)) + if (!*p || !macro_is_identifier_nondigit (*p)) return NULL; for (++p; *p && (macro_is_identifier_nondigit (*p) || macro_is_digit (*p)); @@ -298,7 +287,7 @@ extract_identifier (const char **expp, int is_parameter) ; } - if (is_parameter && startswith (p, "...")) + if (is_parameter && startswith (p, "...")) p += 3; len = p - *expp; @@ -337,12 +326,12 @@ macro_define_command (const char *exp, int from_tty) temporary_macro_definition new_macro; if (!exp) - error (_("usage: macro define NAME[(ARGUMENT-LIST)] [REPLACEMENT-LIST]")); + error (_ ("usage: macro define NAME[(ARGUMENT-LIST)] [REPLACEMENT-LIST]")); skip_ws (&exp); gdb::unique_xmalloc_ptr<char> name = extract_identifier (&exp, 0); if (name == NULL) - error (_("Invalid macro name.")); + error (_ ("Invalid macro name.")); if (*exp == '(') { /* Function-like macro. */ @@ -351,7 +340,7 @@ macro_define_command (const char *exp, int from_tty) new_macro.kind = macro_function_like; new_macro.argc = 0; - new_macro.argv = (const char * const *) argv; + new_macro.argv = (const char *const *) argv; /* Skip the '(' and whitespace. */ ++exp; @@ -366,17 +355,17 @@ macro_define_command (const char *exp, int from_tty) alloced *= 2; argv = (char **) xrealloc (argv, alloced * sizeof (char *)); /* Must update new_macro as well... */ - new_macro.argv = (const char * const *) argv; + new_macro.argv = (const char *const *) argv; } argv[new_macro.argc] = extract_identifier (&exp, 1).release (); - if (! argv[new_macro.argc]) - error (_("Macro is missing an argument.")); + if (!argv[new_macro.argc]) + error (_ ("Macro is missing an argument.")); ++new_macro.argc; for (i = new_macro.argc - 2; i >= 0; --i) { - if (! strcmp (argv[i], argv[new_macro.argc - 1])) - error (_("Two macro arguments with identical names.")); + if (!strcmp (argv[i], argv[new_macro.argc - 1])) + error (_ ("Two macro arguments with identical names.")); } skip_ws (&exp); @@ -386,7 +375,7 @@ macro_define_command (const char *exp, int from_tty) skip_ws (&exp); } else if (*exp != ')') - error (_("',' or ')' expected at end of macro arguments.")); + error (_ ("',' or ')' expected at end of macro arguments.")); } /* Skip the closing paren. */ ++exp; @@ -404,21 +393,19 @@ macro_define_command (const char *exp, int from_tty) } } - static void macro_undef_command (const char *exp, int from_tty) { if (!exp) - error (_("usage: macro undef NAME")); + error (_ ("usage: macro undef NAME")); skip_ws (&exp); gdb::unique_xmalloc_ptr<char> name = extract_identifier (&exp, 0); if (name == nullptr) - error (_("Invalid macro name.")); + error (_ ("Invalid macro name.")); macro_undef (macro_main (macro_user_macros), -1, name.get ()); } - static void print_one_macro (const char *name, const struct macro_definition *macro, struct macro_source_file *source, int line) @@ -430,14 +417,12 @@ print_one_macro (const char *name, const struct macro_definition *macro, gdb_printf ("("); for (i = 0; i < macro->argc; ++i) - gdb_printf ("%s%s", (i > 0) ? ", " : "", - macro->argv[i]); + gdb_printf ("%s%s", (i > 0) ? ", " : "", macro->argv[i]); gdb_printf (")"); } gdb_printf (" %s\n", macro->replacement); } - static void macro_list_command (const char *exp, int from_tty) { @@ -447,24 +432,26 @@ macro_list_command (const char *exp, int from_tty) /* Initializing the `macrocmd' module. */ void _initialize_macrocmd (); + void _initialize_macrocmd () { /* We introduce a new command prefix, `macro', under which we'll put the various commands for working with preprocessor macros. */ - add_basic_prefix_cmd ("macro", class_info, - _("Prefix for commands dealing with C preprocessor macros."), - ¯olist, 0, &cmdlist); + add_basic_prefix_cmd ( + "macro", class_info, + _ ("Prefix for commands dealing with C preprocessor macros."), ¯olist, + 0, &cmdlist); cmd_list_element *macro_expand_cmd - = add_cmd ("expand", no_class, macro_expand_command, _("\ + = add_cmd ("expand", no_class, macro_expand_command, _ ("\ Fully expand any C/C++ preprocessor macro invocations in EXPRESSION.\n\ Show the expanded expression."), ¯olist); add_alias_cmd ("exp", macro_expand_cmd, no_class, 1, ¯olist); cmd_list_element *macro_expand_once_cmd - = add_cmd ("expand-once", no_class, macro_expand_once_command, _("\ + = add_cmd ("expand-once", no_class, macro_expand_once_command, _ ("\ Expand C/C++ preprocessor macro invocations appearing directly in EXPRESSION.\n\ Show the expanded expression.\n\ \n\ @@ -479,19 +466,20 @@ expression work together to yield a pre-processed expression."), add_alias_cmd ("exp1", macro_expand_once_cmd, no_class, 1, ¯olist); add_info ("macro", info_macro_command, - _("Show the definition of MACRO, and it's source location.\n\ + _ ("Show the definition of MACRO, and it's source location.\n\ Usage: info macro [-a|-all] [--] MACRO\n\ Options: \n\ -a, --all Output all definitions of MACRO in the current compilation\ unit.\n\ -- Specify the end of arguments and the beginning of the MACRO.")); - add_info ("macros", info_macros_command, - _("Show the definitions of all macros at LINESPEC, or the current \ + add_info ( + "macros", info_macros_command, + _ ("Show the definitions of all macros at LINESPEC, or the current \ source location.\n\ Usage: info macros [LINESPEC]")); - add_cmd ("define", no_class, macro_define_command, _("\ + add_cmd ("define", no_class, macro_define_command, _ ("\ Define a new C/C++ preprocessor macro.\n\ The GDB command `macro define DEFINITION' is equivalent to placing a\n\ preprocessor directive of the form `#define DEFINITION' such that the\n\ @@ -501,11 +489,11 @@ For example:\n\ (gdb) macro define MIN(x,y) ((x) < (y) ? (x) : (y))"), ¯olist); - add_cmd ("undef", no_class, macro_undef_command, _("\ + add_cmd ("undef", no_class, macro_undef_command, _ ("\ Remove the definition of the C/C++ preprocessor macro with the given name."), ¯olist); add_cmd ("list", no_class, macro_list_command, - _("List all the macros defined using the `macro define' command."), + _ ("List all the macros defined using the `macro define' command."), ¯olist); } |