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authorTom Tromey <tromey@redhat.com>2012-11-12 17:26:21 +0000
committerTom Tromey <tromey@redhat.com>2012-11-12 17:26:21 +0000
commit53342f27db8e8a418ac202335ac2e55af50c1c2f (patch)
treece676d5c4c9bedaad60673e5ef3f3960571433a3 /gdb
parent6c8702eb92aa9ebaaf9367e54fa6e392d989c589 (diff)
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* NEWS: Update.
* c-typeprint.c (c_type_print_base): Handle print_method and print_typedefs flags. * gdbcmd.h (setprinttypelist, showprinttypelist): Declare. * python/py-type.c (typy_str): Use LA_PRINT_TYPE and raw options. * typeprint.c (type_print_raw_options, default_ptype_flags): Update for new field.s (whatis_exp): Parse flags. Use LA_PRINT_TYPE. (setprinttypelist, showprinttypelist, print_methods, print_typedefs): New globals. (set_print_type, show_print_type, set_print_type_methods, show_print_type_methods, set_print_type_typedefs, show_print_type_typedefs): New functions. (_initialize_typeprint): Update documentation. Add "print type methods" and "print type typedefs" parameters. * typeprint.h (struct type_print_options) <print_methods, print_typedefs>: New fields. doc * gdb.texinfo (Symbols): Document "set print type methods", "set print type typedefs", and flags to ptype and whatis.
Diffstat (limited to 'gdb')
-rw-r--r--gdb/ChangeLog21
-rw-r--r--gdb/NEWS15
-rw-r--r--gdb/c-typeprint.c4
-rw-r--r--gdb/doc/ChangeLog5
-rw-r--r--gdb/doc/gdb.texinfo66
-rw-r--r--gdb/gdbcmd.h4
-rw-r--r--gdb/python/py-type.c4
-rw-r--r--gdb/typeprint.c133
-rw-r--r--gdb/typeprint.h6
9 files changed, 250 insertions, 8 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 5fd248f..2b0af1a 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,26 @@
2012-11-12 Tom Tromey <tromey@redhat.com>
+ * NEWS: Update.
+ * c-typeprint.c (c_type_print_base): Handle print_method and
+ print_typedefs flags.
+ * gdbcmd.h (setprinttypelist, showprinttypelist): Declare.
+ * python/py-type.c (typy_str): Use LA_PRINT_TYPE and raw
+ options.
+ * typeprint.c (type_print_raw_options, default_ptype_flags):
+ Update for new field.s
+ (whatis_exp): Parse flags. Use LA_PRINT_TYPE.
+ (setprinttypelist, showprinttypelist, print_methods,
+ print_typedefs): New globals.
+ (set_print_type, show_print_type, set_print_type_methods,
+ show_print_type_methods, set_print_type_typedefs,
+ show_print_type_typedefs): New functions.
+ (_initialize_typeprint): Update documentation. Add "print
+ type methods" and "print type typedefs" parameters.
+ * typeprint.h (struct type_print_options) <print_methods,
+ print_typedefs>: New fields.
+
+2012-11-12 Tom Tromey <tromey@redhat.com>
+
* c-typeprint.c (cp_type_print_method_args): Add flags
argument. Call c_print_type, not type_print.
(c_type_print_base): Call c_print_type, not type_print.
diff --git a/gdb/NEWS b/gdb/NEWS
index 4a1988d..b7a92720 100644
--- a/gdb/NEWS
+++ b/gdb/NEWS
@@ -8,6 +8,9 @@
-nh Disables auto-loading of ~/.gdbinit, but still executes all the
other initialization files, unlike -nx which disables all of them.
+* The 'ptype' and 'whatis' commands now accept an argument to control
+ type formatting.
+
* Python scripting
** Vectors can be created with gdb.Type.vector.
@@ -54,6 +57,18 @@ py [command]
(has been deprecated in GDB 7.5), and "info all-registers" should be used
instead.
+* New options
+
+set print type methods (on|off)
+show print type methods
+ Control whether method declarations are displayed by "ptype".
+ The default is to show them.
+
+set print type typedefs (on|off)
+show print type typedefs
+ Control whether typedef definitions are displayed by "ptype".
+ The default is to show them.
+
* MI changes
** Command parameter changes are now notified using new async record
diff --git a/gdb/c-typeprint.c b/gdb/c-typeprint.c
index cb44bb0..6c47376 100644
--- a/gdb/c-typeprint.c
+++ b/gdb/c-typeprint.c
@@ -970,6 +970,8 @@ c_type_print_base (struct type *type, struct ui_file *stream,
between them. Make sure to count only method that we
will display; artificial methods will be hidden. */
len = TYPE_NFN_FIELDS (type);
+ if (!flags->print_methods)
+ len = 0;
real_len = 0;
for (i = 0; i < len; i++)
{
@@ -1136,7 +1138,7 @@ c_type_print_base (struct type *type, struct ui_file *stream,
/* Print typedefs defined in this class. */
- if (TYPE_TYPEDEF_FIELD_COUNT (type) != 0)
+ if (TYPE_TYPEDEF_FIELD_COUNT (type) != 0 && flags->print_typedefs)
{
if (TYPE_NFIELDS (type) != 0 || TYPE_NFN_FIELDS (type) != 0)
fprintf_filtered (stream, "\n");
diff --git a/gdb/doc/ChangeLog b/gdb/doc/ChangeLog
index 2fc837b..f59b001 100644
--- a/gdb/doc/ChangeLog
+++ b/gdb/doc/ChangeLog
@@ -1,3 +1,8 @@
+2012-11-12 Tom Tromey <tromey@redhat.com>
+
+ * gdb.texinfo (Symbols): Document "set print type methods",
+ "set print type typedefs", and flags to ptype and whatis.
+
2012-11-09 Andrew Burgess <aburgess@broadcom.com>
* gdb.texinfo (GDB/MI Data Manipulation): Add fullname field to
diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo
index ce5415d..6f9d3f6 100644
--- a/gdb/doc/gdb.texinfo
+++ b/gdb/doc/gdb.texinfo
@@ -14990,6 +14990,42 @@ case-insensitive matches.
This command shows the current setting of case sensitivity for symbols
lookups.
+@kindex set print type methods
+@item set print type methods
+@itemx set print type methods on
+@itemx set print type methods off
+Normally, when @value{GDBN} prints a class, it displays any methods
+declared in that class. You can control this behavior either by
+passing the appropriate flag to @code{ptype}, or using @command{set
+print type methods}. Specifying @code{on} will cause @value{GDBN} to
+display the methods; this is the default. Specifying @code{off} will
+cause @value{GDBN} to omit the methods.
+
+@kindex show print type methods
+@item show print type methods
+This command shows the current setting of method display when printing
+classes.
+
+@kindex set print type typedefs
+@item set print type typedefs
+@itemx set print type typedefs on
+@itemx set print type typedefs off
+
+Normally, when @value{GDBN} prints a class, it displays any typedefs
+defined in that class. You can control this behavior either by
+passing the appropriate flag to @code{ptype}, or using @command{set
+print type typedefs}. Specifying @code{on} will cause @value{GDBN} to
+display the typedef definitions; this is the default. Specifying
+@code{off} will cause @value{GDBN} to omit the typedef definitions.
+Note that this controls whether the typedef definition itself is
+printed, not whether typedef names are substituted when printing other
+types.
+
+@kindex show print type typedefs
+@item show print type typedefs
+This command shows the current setting of typedef display when
+printing classes.
+
@kindex info address
@cindex address of a symbol
@item info address @var{symbol}
@@ -15030,7 +15066,7 @@ __read_nocancel + 6 in section .text of /usr/lib64/libc.so.6
@end smallexample
@kindex whatis
-@item whatis [@var{arg}]
+@item whatis[/@var{flags}] [@var{arg}]
Print the data type of @var{arg}, which can be either an expression
or a name of a data type. With no argument, print the data type of
@code{$}, the last value in the value history.
@@ -15060,8 +15096,34 @@ For C code, the type names may also have the form @samp{class
@var{class-name}}, @samp{struct @var{struct-tag}}, @samp{union
@var{union-tag}} or @samp{enum @var{enum-tag}}.
+@var{flags} can be used to modify how the type is displayed.
+Available flags are:
+
+@table @code
+@item r
+Display in ``raw'' form. Normally, @value{GDBN} substitutes template
+parameters and typedefs defined in a class when printing the class'
+members. The @code{/r} flag disables this.
+
+@item m
+Do not print methods defined in the class.
+
+@item M
+Print methods defined in the class. This is the default, but the flag
+exists in case you change the default with @command{set print type methods}.
+
+@item t
+Do not print typedefs defined in the class. Note that this controls
+whether the typedef definition itself is printed, not whether typedef
+names are substituted when printing other types.
+
+@item T
+Print typedefs defined in the class. This is the default, but the flag
+exists in case you change the default with @command{set print type typedefs}.
+@end table
+
@kindex ptype
-@item ptype [@var{arg}]
+@item ptype[/@var{flags}] [@var{arg}]
@code{ptype} accepts the same arguments as @code{whatis}, but prints a
detailed description of the type, instead of just the name of the type.
@xref{Expressions, ,Expressions}.
diff --git a/gdb/gdbcmd.h b/gdb/gdbcmd.h
index c7e3a27..b64d294 100644
--- a/gdb/gdbcmd.h
+++ b/gdb/gdbcmd.h
@@ -112,6 +112,10 @@ extern struct cmd_list_element *setprintlist;
extern struct cmd_list_element *showprintlist;
+extern struct cmd_list_element *setprinttypelist;
+
+extern struct cmd_list_element *showprinttypelist;
+
extern struct cmd_list_element *setdebuglist;
extern struct cmd_list_element *showdebuglist;
diff --git a/gdb/python/py-type.c b/gdb/python/py-type.c
index f20f974..1f4e72c 100644
--- a/gdb/python/py-type.c
+++ b/gdb/python/py-type.c
@@ -30,6 +30,7 @@
#include "vec.h"
#include "bcache.h"
#include "dwarf2loc.h"
+#include "typeprint.h"
typedef struct pyty_type_object
{
@@ -954,7 +955,8 @@ typy_str (PyObject *self)
stb = mem_fileopen ();
old_chain = make_cleanup_ui_file_delete (stb);
- type_print (type_object_to_type (self), "", stb, -1);
+ LA_PRINT_TYPE (type_object_to_type (self), "", stb, -1, 0,
+ &type_print_raw_options);
thetype = ui_file_xstrdup (stb, &length);
do_cleanups (old_chain);
diff --git a/gdb/typeprint.c b/gdb/typeprint.c
index cc51497..509b3ee 100644
--- a/gdb/typeprint.c
+++ b/gdb/typeprint.c
@@ -36,6 +36,8 @@
#include "exceptions.h"
#include "valprint.h"
#include <errno.h>
+#include <ctype.h>
+#include "cli/cli-utils.h"
extern void _initialize_typeprint (void);
@@ -47,16 +49,22 @@ static void whatis_exp (char *, int);
const struct type_print_options type_print_raw_options =
{
- 1 /* raw */
+ 1, /* raw */
+ 1, /* print_methods */
+ 1 /* print_typedefs */
};
/* The default flags for 'ptype' and 'whatis'. */
static struct type_print_options default_ptype_flags =
{
- 0 /* raw */
+ 0, /* raw */
+ 1, /* print_methods */
+ 1 /* print_typedefs */
};
+
+
/* Print a description of a type in the format of a
typedef for the current language.
NEW is the new name for a type TYPE. */
@@ -132,9 +140,46 @@ whatis_exp (char *exp, int show)
int top = -1;
int using_enc = 0;
struct value_print_options opts;
+ struct type_print_options flags = default_ptype_flags;
if (exp)
{
+ if (*exp == '/')
+ {
+ int seen_one = 0;
+
+ for (++exp; *exp && !isspace (*exp); ++exp)
+ {
+ switch (*exp)
+ {
+ case 'r':
+ flags.raw = 1;
+ break;
+ case 'm':
+ flags.print_methods = 0;
+ break;
+ case 'M':
+ flags.print_methods = 1;
+ break;
+ case 't':
+ flags.print_typedefs = 0;
+ break;
+ case 'T':
+ flags.print_typedefs = 1;
+ break;
+ default:
+ error (_("unrecognized flag '%c'"), *exp);
+ }
+ seen_one = 1;
+ }
+
+ if (!*exp && !seen_one)
+ error (_("flag expected"));
+ if (!isspace (*exp))
+ error (_("expected space after format"));
+ exp = skip_spaces (exp);
+ }
+
expr = parse_expression (exp);
old_chain = make_cleanup (free_current_contents, &expr);
val = evaluate_type (expr);
@@ -166,7 +211,7 @@ whatis_exp (char *exp, int show)
printf_filtered (" */\n");
}
- type_print (type, "", gdb_stdout, show);
+ LA_PRINT_TYPE (type, "", gdb_stdout, show, 0, &flags);
printf_filtered ("\n");
if (exp)
@@ -310,17 +355,97 @@ maintenance_print_type (char *typename, int from_tty)
}
+struct cmd_list_element *setprinttypelist;
+
+struct cmd_list_element *showprinttypelist;
+
+static void
+set_print_type (char *arg, int from_tty)
+{
+ printf_unfiltered (
+ "\"set print type\" must be followed by the name of a subcommand.\n");
+ help_list (setprintlist, "set print type ", -1, gdb_stdout);
+}
+
+static void
+show_print_type (char *args, int from_tty)
+{
+ cmd_show_list (showprinttypelist, from_tty, "");
+}
+
+static int print_methods = 1;
+
+static void
+set_print_type_methods (char *args, int from_tty, struct cmd_list_element *c)
+{
+ default_ptype_flags.print_methods = print_methods;
+}
+
+static void
+show_print_type_methods (struct ui_file *file, int from_tty,
+ struct cmd_list_element *c, const char *value)
+{
+ fprintf_filtered (file, _("Printing of methods defined in a class in %s\n"),
+ value);
+}
+
+static int print_typedefs = 1;
+
+static void
+set_print_type_typedefs (char *args, int from_tty, struct cmd_list_element *c)
+{
+ default_ptype_flags.print_typedefs = print_typedefs;
+}
+
+static void
+show_print_type_typedefs (struct ui_file *file, int from_tty,
+ struct cmd_list_element *c, const char *value)
+{
+ fprintf_filtered (file, _("Printing of typedefs defined in a class in %s\n"),
+ value);
+}
+
void
_initialize_typeprint (void)
{
add_com ("ptype", class_vars, ptype_command, _("\
Print definition of type TYPE.\n\
+Usage: ptype[/FLAGS] TYPE-NAME | EXPRESSION\n\
Argument may be a type name defined by typedef, or \"struct STRUCT-TAG\"\n\
or \"class CLASS-NAME\" or \"union UNION-TAG\" or \"enum ENUM-TAG\".\n\
The selected stack frame's lexical context is used to look up the name.\n\
-Contrary to \"whatis\", \"ptype\" always unrolls any typedefs."));
+Contrary to \"whatis\", \"ptype\" always unrolls any typedefs.\n\
+\n\
+Available FLAGS are:\n\
+ /r print in \"raw\" form; do not substitute typedefs\n\
+ /m do not print methods defined in a class\n\
+ /M print methods defined in a class\n\
+ /t do not print typedefs defined in a class\n\
+ /T print typedefs defined in a class"));
add_com ("whatis", class_vars, whatis_command,
_("Print data type of expression EXP.\n\
Only one level of typedefs is unrolled. See also \"ptype\"."));
+
+ add_prefix_cmd ("type", no_class, show_print_type,
+ _("Generic command for showing type-printing settings."),
+ &showprinttypelist, "show print type ", 0, &showprintlist);
+ add_prefix_cmd ("type", no_class, set_print_type,
+ _("Generic command for setting how types print."),
+ &setprinttypelist, "show print type ", 0, &setprintlist);
+
+ add_setshow_boolean_cmd ("methods", no_class, &print_methods,
+ _("\
+Set printing of methods defined in classes."), _("\
+Show printing of methods defined in classes."), NULL,
+ set_print_type_methods,
+ show_print_type_methods,
+ &setprinttypelist, &showprinttypelist);
+ add_setshow_boolean_cmd ("typedefs", no_class, &print_typedefs,
+ _("\
+Set printing of typedefs defined in classes."), _("\
+Show printing of typedefs defined in classes."), NULL,
+ set_print_type_typedefs,
+ show_print_type_typedefs,
+ &setprinttypelist, &showprinttypelist);
}
diff --git a/gdb/typeprint.h b/gdb/typeprint.h
index c57c75e..1e15097 100644
--- a/gdb/typeprint.h
+++ b/gdb/typeprint.h
@@ -27,6 +27,12 @@ struct type_print_options
{
/* True means that no special printing flags should apply. */
unsigned int raw : 1;
+
+ /* True means print methods in a class. */
+ unsigned int print_methods : 1;
+
+ /* True means print typedefs in a class. */
+ unsigned int print_typedefs : 1;
};
extern const struct type_print_options type_print_raw_options;