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2011-07-28 Phil Muldoon <pmuldoon@redhat.com>

Browse source 
* varobj.c (value_get_print_value): Move hint check later into the
	function.  Comment function.  Free thevalue before reusing it.

2011-07-28  Phil Muldoon  <pmuldoon@redhat.com>

	* gdb.python/py-mi.exp: Test printers returning string hint, and
	also not returning a value.
	* gdb.python/py-prettyprint.c: Add testcase for above.
	* gdb.python/py-prettyprint.py: Add test printer for above.
This commit is contained in:
Phil Muldoon 2011-07-28 10:36:40 +00:00
parent e89702a8bd
commit 00bd41d6bc
6 changed files with 71 additions and 9 deletions
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7
gdb/testsuite/gdb.python/py-mi.exp
View file

@ -284,6 +284,13 @@ mi_list_varobj_children nstype2 {
{ {nstype2.<error at 0>} {<error at 0>} 6 {char \[6\]} }
} "list children after setting exception flag"
mi_create_varobj me me \
"create me varobj"
mi_gdb_test "-var-evaluate-expression me" \
"\\^done,value=\"<error reading variable: Cannot access memory.>.*\"" \
"evaluate me varobj"
# C++ MI tests
gdb_exit
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}-cxx" \

8
gdb/testsuite/gdb.python/py-prettyprint.c
View file

@ -149,6 +149,11 @@ struct justchildren
typedef struct justchildren nostring_type;
struct memory_error
{
const char *s;
};
struct container
{
string name;
@ -227,6 +232,7 @@ main ()
/* Clearing by being `static' could invoke an other GDB C++ bug. */
struct nullstr nullstr;
nostring_type nstype, nstype2;
struct memory_error me;
struct ns ns, ns2;
struct lazystring estring, estring2;
struct hint_error hint_error;
@ -234,6 +240,8 @@ main ()
nstype.elements = narray;
nstype.len = 0;
me.s = "blah";
init_ss(&ss, 1, 2);
init_ss(ssa+0, 3, 4);
init_ss(ssa+1, 5, 6);

15
gdb/testsuite/gdb.python/py-prettyprint.py
View file

@ -17,6 +17,7 @@
# printers.
import re
import gdb
# Test returning a Value from a printer.
class string_print:
@ -186,6 +187,18 @@ class pp_outer:
yield 's', self.val['s']
yield 'x', self.val['x']
class MemoryErrorString:
"Raise an error"
def __init__(self, val):
self.val = val
def to_string(self):
raise gdb.MemoryError ("Cannot access memory.");
def display_hint (self):
return 'string'
def lookup_function (val):
"Look-up and return a pretty-printer that can print val."
@ -261,6 +274,8 @@ def register_pretty_printers ():
pretty_printers_dict[re.compile ('^struct hint_error$')] = pp_hint_error
pretty_printers_dict[re.compile ('^hint_error$')] = pp_hint_error
pretty_printers_dict[re.compile ('^memory_error$')] = MemoryErrorString
pretty_printers_dict = {}
register_pretty_printers ()