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* varobj.c (value_get_print_value): Rearrange.  Pass stream to
	apply_varobj_pretty_printer.
	* c-lang.c: Include exceptions.h.
	(c_get_string): Throw MEMORY_ERROR when appropriate.
	* python/py-prettyprint.c (enum string_repr_result): New.
	(print_stack_unless_memory_error): New function.
	(print_string_repr): Change return type.  Use
	print_stack_unless_memory_error.
	(print_children): Use print_stack_unless_memory_error.
	(apply_val_pretty_printer): Update.  Don't print children if
	string representation threw an exception.
	(apply_varobj_pretty_printer): Add 'stream' argument.  Use
	print_stack_unless_memory_error.
	* python/python.c (gdbpy_gdb_error, gdbpy_gdb_memory_error): New
	globals.
	(_initialize_python): Initialize them.
	* python/python-internal.h (GDB_PY_HANDLE_EXCEPTION): Use
	gdbpy_convert_exception.
	(GDB_PY_SET_HANDLE_EXCEPTION): Likewise.
	(gdbpy_gdb_error, gdbpy_gdb_memory_error): Declare.
	(gdbpy_convert_exception): Declare.
	(apply_varobj_pretty_printer): Update.
	* python/py-utils.c (gdbpy_convert_exception): New function.
gdb/doc
	* gdb.texinfo (Basic Python): Update.  Add xref.
	(Exception Handling): Document new exception classes.
	(Types In Python): Update.
	(Frames In Python): Update.
gdb/testsuite
	* gdb.python/py-prettyprint.c (main): Add new 'ns2' local.
	* gdb.python/py-prettyprint.exp (run_lang_tests): Add test for
	MemoryError.
	* gdb.python/python.exp (gdb_py_test_multiple): Update exception
	type.
	* gdb.python/py-value.exp (test_value_in_inferior): Add test for
	MemoryError.
	(test_subscript_regression): Update exception type.
This commit is contained in:
Tom Tromey 2010-11-12 20:49:43 +00:00
parent f1b9e6e7ee
commit 621c83642d
14 changed files with 223 additions and 58 deletions
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6
gdb/testsuite/gdb.python/py-prettyprint.c
View file

@ -213,7 +213,7 @@ main ()
/* Clearing by being `static' could invoke an other GDB C++ bug. */
struct nullstr nullstr;
nostring_type nstype;
struct ns ns;
struct ns ns, ns2;
struct lazystring estring, estring2;
nstype.elements = narray;
@ -231,6 +231,10 @@ main ()
ns.null_str = "embedded\0null\0string";
ns.length = 20;
/* Make a "corrupted" string. */
ns2.null_str = NULL;
ns2.length = 20;
estring.lazy_str = "embedded x\201\202\203\204" ;
/* Incomplete UTF-8, but ok Latin-1. */

2
gdb/testsuite/gdb.python/py-prettyprint.exp
View file

@ -87,6 +87,8 @@ proc run_lang_tests {lang} {
gdb_py_test_silent_cmd "set print elements 200" "" 1
}
gdb_test "print ns2" ".error reading variable: Address 0x0 out of bounds."
gdb_test "print x" " = \"this is x\""
gdb_test "print cstring" " = \"const string\""

7
gdb/testsuite/gdb.python/py-value.exp
View file

@ -210,6 +210,9 @@ proc test_value_in_inferior {} {
# Test address attribute
gdb_test "python print 'result =', arg0.address" "= 0x\[\[:xdigit:\]\]+" "Test address attribute"
# Test memory error.
gdb_test "python print gdb.parse_and_eval('*(int*)0')" "gdb.MemoryError: Cannot access memory at address 0x0.*"
# Test string fetches, both partial and whole.
gdb_test "print st" "\"divide et impera\""
gdb_py_test_silent_cmd "python st = gdb.history (0)" "get value from history" 1
@ -371,7 +374,7 @@ proc test_subscript_regression {lang} {
# Try to access an int with a subscript. This should fail.
gdb_test "python print intv" "1" "Baseline print of a Python value"
gdb_test "python print intv\[0\]" "RuntimeError: Cannot subscript requested type.*" \
gdb_test "python print intv\[0\]" "gdb.error: Cannot subscript requested type.*" \
"Attempt to access an integer with a subscript"
# Try to access a string with a subscript. This should pass.
@ -386,7 +389,7 @@ proc test_subscript_regression {lang} {
# Try to access a single dimension array with a subscript to the
# result. This should fail.
gdb_test "python print pointer\[intv\]\[0\]" "RuntimeError: Cannot subscript requested type.*" \
gdb_test "python print pointer\[intv\]\[0\]" "gdb.error: Cannot subscript requested type.*" \
"Attempt to access an integer with a subscript"
# Lastly, test subscript access to an array with multiple

4
gdb/testsuite/gdb.python/python.exp
View file

@ -160,7 +160,7 @@ runto [gdb_get_line_number "Break to end."]
# Test gdb.decode_line.
gdb_test "python gdb.decode_line(\"main.c:43\")" \
"RuntimeError: No source file named main.c.*" "test decode_line no source named main"
"gdb.error: No source file named main.c.*" "test decode_line no source named main"
gdb_py_test_silent_cmd "python symtab = gdb.decode_line()" "test decode_line current location" 1
gdb_test "python print len(symtab)" "2" "Test decode_line current location"
@ -177,7 +177,7 @@ gdb_test "python print symtab\[1\]\[0\].symtab" "gdb/testsuite/gdb.python/python
gdb_test "python print symtab\[1\]\[0\].line" "26" "Test decode_line python.c:26 line number"
gdb_test "python gdb.decode_line(\"randomfunc\")" \
"RuntimeError: Function \"randomfunc\" not defined.*" "test decode_line randomfunc"
"gdb.error: Function \"randomfunc\" not defined.*" "test decode_line randomfunc"
gdb_py_test_silent_cmd "python symtab = gdb.decode_line(\"func1\")" "test decode_line func1()" 1
gdb_test "python print len(symtab)" "2" "Test decode_line func1 length"
gdb_test "python print len(symtab\[1\])" "1" "Test decode_line func1 length"