diff options
| -rw-r--r-- | gdb/ChangeLog | 25 | ||||
| -rw-r--r-- | gdb/NEWS | 2 | ||||
| -rw-r--r-- | gdb/doc/ChangeLog | 6 | ||||
| -rw-r--r-- | gdb/doc/python.texi | 20 | ||||
| -rw-r--r-- | gdb/eval.c | 9 | ||||
| -rw-r--r-- | gdb/extension-priv.h | 14 | ||||
| -rw-r--r-- | gdb/extension.c | 25 | ||||
| -rw-r--r-- | gdb/extension.h | 4 | ||||
| -rw-r--r-- | gdb/python/lib/gdb/xmethod.py | 20 | ||||
| -rw-r--r-- | gdb/python/py-xmethods.c | 107 | ||||
| -rw-r--r-- | gdb/python/python-internal.h | 5 | ||||
| -rw-r--r-- | gdb/python/python.c | 1 | ||||
| -rw-r--r-- | gdb/testsuite/ChangeLog | 6 | ||||
| -rw-r--r-- | gdb/testsuite/gdb.python/py-xmethods.exp | 13 | ||||
| -rw-r--r-- | gdb/testsuite/gdb.python/py-xmethods.py | 5 | ||||
| -rw-r--r-- | gdb/valarith.c | 51 | ||||
| -rw-r--r-- | gdb/value.c | 12 | ||||
| -rw-r--r-- | gdb/value.h | 7 |
18 files changed, 304 insertions, 28 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 425282c945..ffa5297bcc 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,28 @@ +2015-04-29 Doug Evans <dje@google.com> + + PR python/18285 + * NEWS: Document new gdb.XMethodWorker.get_result_type method. + * eval.c (evaluate_subexp_standard) <OP_FUNCALL>: Handle + EVAL_AVOID_SIDE_EFFECTS for xmethods. + * extension-priv.h (struct extension_language_ops) + <get_xmethod_result_type>: New member. + * extension.c (get_xmethod_result_type): New function. + * extension.h (get_xmethod_result_type): Declare. + * python/py-xmethods.c (get_result_type_method_name): New static + global. + (py_get_result_type_method_name): Ditto. + (gdbpy_get_xmethod_result_type): New function. + (gdbpy_initialize_xmethods): Initialize py_get_result_type_method_name. + * python/python-internal.h (gdbpy_get_xmethod_result_type): Declare. + * python/python.c (python_extension_ops): Add + gdbpy_get_xmethod_result_type. + * python/lib/gdb/xmethod.py (XMethodWorker): Add get_result_type. + * valarith.c (value_x_binop): Handle EVAL_AVOID_SIDE_EFFECTS for + xmethods. + (value_x_unop): Ditto. + * value.c (result_type_of_xmethod): New function. + * value.h (result_type_of_xmethod): Declare. + 2015-04-29 Gary Benson <gbenson@redhat.com> * solib.c (solib_find_1): Allow fd argument to be NULL. @@ -2,7 +2,6 @@ (Organized release by release) *** Changes since GDB 7.9 -======= * GDB now honors the content of the file /proc/PID/coredump_filter (PID is the process ID) on GNU/Linux systems. This file can be used @@ -54,6 +53,7 @@ ** You can now write frame unwinders in Python. ** gdb.Type objects have a new method "optimized_out", returning optimized out gdb.Value instance of this type. + ** Xmethods can now specify a result type. * New commands diff --git a/gdb/doc/ChangeLog b/gdb/doc/ChangeLog index 13ca87b33e..ef6534f5f0 100644 --- a/gdb/doc/ChangeLog +++ b/gdb/doc/ChangeLog @@ -1,3 +1,9 @@ +2015-04-29 Doug Evans <dje@google.com> + + * python.texi (Xmethod API) <gdb.XMethodWorker.get_result_type>: + Document. + (Writing an Xmethod): Add get_result_type to example. + 2015-04-28 Sasha Smundak <asmundak@google.com> * python.texi: New method documented. diff --git a/gdb/doc/python.texi b/gdb/doc/python.texi index 12d2b71d04..fc3c745180 100644 --- a/gdb/doc/python.texi +++ b/gdb/doc/python.texi @@ -2455,6 +2455,13 @@ If the xmethod takes a single argument, then a single @code{gdb.Type} object corresponding to it can be returned. @end defun +@defun XMethodWorker.get_result_type (self, *args) +This method returns a @code{gdb.Type} object representing the type +of the result of invoking this xmethod. +The @var{args} argument is the same tuple of arguments that would be +passed to the @code{__call__} method of this worker. +@end defun + @defun XMethodWorker.__call__ (self, *args) This is the method which does the @emph{work} of the xmethod. The @var{args} arguments is the tuple of arguments to the xmethod. Each @@ -2571,6 +2578,9 @@ above is as follows: class MyClassWorker_geta(gdb.xmethod.XMethodWorker): def get_arg_types(self): return None + + def get_result_type(self, obj): + return gdb.lookup_type('int') def __call__(self, obj): return obj['a_'] @@ -2579,6 +2589,9 @@ class MyClassWorker_geta(gdb.xmethod.XMethodWorker): class MyClassWorker_plus(gdb.xmethod.XMethodWorker): def get_arg_types(self): return gdb.lookup_type('MyClass') + + def get_result_type(self, obj): + return gdb.lookup_type('int') def __call__(self, obj, other): return obj['a_'] + other['a_'] @@ -2642,10 +2655,13 @@ of the xmethod workers and xmethod matchers is as follows: class MyTemplateWorker_footprint(gdb.xmethod.XMethodWorker): def __init__(self, class_type): self.class_type = class_type - + def get_arg_types(self): return None - + + def get_result_type(self): + return gdb.lookup_type('int') + def __call__(self, obj): return (self.class_type.sizeof + obj['dsize_'] * diff --git a/gdb/eval.c b/gdb/eval.c index 9804a977f7..6bbd495990 100644 --- a/gdb/eval.c +++ b/gdb/eval.c @@ -1742,6 +1742,15 @@ evaluate_subexp_standard (struct type *expect_type, return value_zero (builtin_type (exp->gdbarch)->builtin_int, not_lval); } + else if (TYPE_CODE (ftype) == TYPE_CODE_XMETHOD) + { + struct type *return_type + = result_type_of_xmethod (argvec[0], nargs, argvec + 1); + + if (return_type == NULL) + error (_("Xmethod is missing return type.")); + return value_zero (return_type, not_lval); + } else if (TYPE_GNU_IFUNC (ftype)) return allocate_value (TYPE_TARGET_TYPE (TYPE_TARGET_TYPE (ftype))); else if (TYPE_TARGET_TYPE (ftype)) diff --git a/gdb/extension-priv.h b/gdb/extension-priv.h index dd2600ebe8..d0242e28f2 100644 --- a/gdb/extension-priv.h +++ b/gdb/extension-priv.h @@ -265,7 +265,7 @@ struct extension_language_ops /* xmethod support: clone_xmethod_worker_data, free_xmethod_worker_data, get_matching_xmethod_workers, get_xmethod_arg_types, - invoke_xmethod. + get_xmethod_return_type, invoke_xmethod. These methods are optional and may be NULL, but if one of them is implemented then they all must be. */ @@ -298,6 +298,18 @@ struct extension_language_ops int *nargs, struct type ***arg_types); + /* Given a WORKER servicing a particular method, fetch the type of the + result of the method. OBJECT, ARGS, NARGS are the same as for + invoke_xmethod. The result type is stored in *RESULT_TYPE. + For backward compatibility with 7.9, which did not support getting the + result type, if the get_result_type operation is not provided by WORKER + then EXT_LANG_RC_OK is returned and NULL is returned in *RESULT_TYPE. */ + enum ext_lang_rc (*get_xmethod_result_type) + (const struct extension_language_defn *extlang, + struct xmethod_worker *worker, + struct value *object, struct value **args, int nargs, + struct type **result_type); + /* Invoke the xmethod serviced by WORKER. The xmethod is invoked on OBJECT with arguments in the array ARGS. NARGS is the length of this array. Returns the value returned by the xmethod. */ diff --git a/gdb/extension.c b/gdb/extension.c index 77b62e0656..dac203b0dd 100644 --- a/gdb/extension.c +++ b/gdb/extension.c @@ -964,6 +964,31 @@ get_xmethod_arg_types (struct xmethod_worker *worker, int *nargs) return type_array; } +/* Return the type of the result of the xmethod encapsulated in WORKER. + OBJECT, ARGS, NARGS are the same as for invoke_xmethod. */ + +struct type * +get_xmethod_result_type (struct xmethod_worker *worker, + struct value *object, struct value **args, int nargs) +{ + enum ext_lang_rc rc; + struct type *result_type; + const struct extension_language_defn *extlang = worker->extlang; + + gdb_assert (extlang->ops->get_xmethod_arg_types != NULL); + + rc = extlang->ops->get_xmethod_result_type (extlang, worker, + object, args, nargs, + &result_type); + if (rc == EXT_LANG_RC_ERROR) + { + error (_("Error while fetching result type of an xmethod worker " + "defined in %s."), extlang->capitalized_name); + } + + return result_type; +} + /* Invokes the xmethod encapsulated in WORKER and returns the result. The method is invoked on OBJ with arguments in the ARGS array. NARGS is the length of the this array. */ diff --git a/gdb/extension.h b/gdb/extension.h index e8d74780c6..ea30035c5f 100644 --- a/gdb/extension.h +++ b/gdb/extension.h @@ -260,4 +260,8 @@ extern xmethod_worker_vec *get_matching_xmethod_workers extern struct type **get_xmethod_arg_types (struct xmethod_worker *, int *); +extern struct type *get_xmethod_result_type (struct xmethod_worker *, + struct value *object, + struct value **args, int nargs); + #endif /* EXTENSION_H */ diff --git a/gdb/python/lib/gdb/xmethod.py b/gdb/python/lib/gdb/xmethod.py index 672b2d8ea5..6acc23c700 100644 --- a/gdb/python/lib/gdb/xmethod.py +++ b/gdb/python/lib/gdb/xmethod.py @@ -101,9 +101,11 @@ class XMethodWorker(object): invokes the method when GDB wants it to. Internally, GDB first invokes the 'get_arg_types' method to perform overload resolution. If GDB selects to invoke this Python xmethod, then it invokes it via the overridden - '__call__' method. + '__call__' method. The 'get_result_type' method is used to implement + 'ptype' on the xmethod. - Derived classes should override the 'get_arg_types' and '__call__' methods. + Derived classes should override the 'get_arg_types', 'get_result_type' + and '__call__' methods. """ def get_arg_types(self): @@ -117,6 +119,20 @@ class XMethodWorker(object): """ raise NotImplementedError("XMethodWorker get_arg_types") + def get_result_type(self, *args): + """Return the type of the result of the xmethod. + + Args: + args: Arguments to the method. Each element of the tuple is a + gdb.Value object. The first element is the 'this' pointer + value. These are the same arguments passed to '__call__'. + + Returns: + A gdb.Type object representing the type of the result of the + xmethod. + """ + raise NotImplementedError("XMethodWorker get_result_type") + def __call__(self, *args): """Invoke the xmethod. diff --git a/gdb/python/py-xmethods.c b/gdb/python/py-xmethods.c index 0a7fc381e6..91e2691d41 100644 --- a/gdb/python/py-xmethods.c +++ b/gdb/python/py-xmethods.c @@ -30,11 +30,13 @@ static const char enabled_field_name[] = "enabled"; static const char match_method_name[] = "match"; static const char get_arg_types_method_name[] = "get_arg_types"; +static const char get_result_type_method_name[] = "get_result_type"; static const char invoke_method_name[] = "invoke"; static const char matchers_attr_str[] = "xmethods"; static PyObject *py_match_method_name = NULL; static PyObject *py_get_arg_types_method_name = NULL; +static PyObject *py_get_result_type_method_name = NULL; static PyObject *py_invoke_method_name = NULL; struct gdbpy_worker_data @@ -502,6 +504,106 @@ gdbpy_get_xmethod_arg_types (const struct extension_language_defn *extlang, return EXT_LANG_RC_OK; } +/* Implementation of get_xmethod_result_type for Python. */ + +enum ext_lang_rc +gdbpy_get_xmethod_result_type (const struct extension_language_defn *extlang, + struct xmethod_worker *worker, + struct value *obj, + struct value **args, int nargs, + struct type **result_type_ptr) +{ + struct gdbpy_worker_data *worker_data = worker->data; + PyObject *py_worker = worker_data->worker; + PyObject *py_value_obj, *py_arg_tuple, *py_result_type; + PyObject *get_result_type_method; + struct type *obj_type, *this_type; + struct cleanup *cleanups; + int i; + + cleanups = ensure_python_env (get_current_arch (), current_language); + + /* First see if there is a get_result_type method. + If not this could be an old xmethod (pre 7.9.1). */ + get_result_type_method + = PyObject_GetAttrString (py_worker, get_result_type_method_name); + if (get_result_type_method == NULL) + { + PyErr_Clear (); + do_cleanups (cleanups); + *result_type_ptr = NULL; + return EXT_LANG_RC_OK; + } + make_cleanup_py_decref (get_result_type_method); + + obj_type = check_typedef (value_type (obj)); + this_type = check_typedef (type_object_to_type (worker_data->this_type)); + if (TYPE_CODE (obj_type) == TYPE_CODE_PTR) + { + struct type *this_ptr = lookup_pointer_type (this_type); + + if (!types_equal (obj_type, this_ptr)) + obj = value_cast (this_ptr, obj); + } + else if (TYPE_CODE (obj_type) == TYPE_CODE_REF) + { + struct type *this_ref = lookup_reference_type (this_type); + + if (!types_equal (obj_type, this_ref)) + obj = value_cast (this_ref, obj); + } + else + { + if (!types_equal (obj_type, this_type)) + obj = value_cast (this_type, obj); + } + py_value_obj = value_to_value_object (obj); + if (py_value_obj == NULL) + goto Fail; + make_cleanup_py_decref (py_value_obj); + + py_arg_tuple = PyTuple_New (nargs + 1); + if (py_arg_tuple == NULL) + goto Fail; + make_cleanup_py_decref (py_arg_tuple); + + /* PyTuple_SET_ITEM steals the reference of the element. Hence INCREF the + reference to the 'this' object as we have a cleanup to DECREF it. */ + Py_INCREF (py_value_obj); + PyTuple_SET_ITEM (py_arg_tuple, 0, py_value_obj); + + for (i = 0; i < nargs; i++) + { + PyObject *py_value_arg = value_to_value_object (args[i]); + + if (py_value_arg == NULL) + goto Fail; + PyTuple_SET_ITEM (py_arg_tuple, i + 1, py_value_arg); + } + + py_result_type = PyObject_CallObject (get_result_type_method, py_arg_tuple); + if (py_result_type == NULL) + goto Fail; + make_cleanup_py_decref (py_result_type); + + *result_type_ptr = type_object_to_type (py_result_type); + if (*result_type_ptr == NULL) + { + PyErr_SetString (PyExc_TypeError, + _("Type returned by the get_result_type method of an" + " xmethod worker object is not a gdb.Type object.")); + goto Fail; + } + + do_cleanups (cleanups); + return EXT_LANG_RC_OK; + + Fail: + gdbpy_print_stack (); + do_cleanups (cleanups); + return EXT_LANG_RC_ERROR; +} + /* Implementation of invoke_xmethod for Python. */ struct value * @@ -638,5 +740,10 @@ gdbpy_initialize_xmethods (void) if (py_get_arg_types_method_name == NULL) return -1; + py_get_result_type_method_name + = PyString_FromString (get_result_type_method_name); + if (py_get_result_type_method_name == NULL) + return -1; + return 1; } diff --git a/gdb/python/python-internal.h b/gdb/python/python-internal.h index 55af10ed0e..f881559d29 100644 --- a/gdb/python/python-internal.h +++ b/gdb/python/python-internal.h @@ -348,6 +348,11 @@ extern enum ext_lang_rc gdbpy_get_xmethod_arg_types struct xmethod_worker *worker, int *nargs, struct type ***arg_types); +extern enum ext_lang_rc gdbpy_get_xmethod_result_type + (const struct extension_language_defn *extlang, + struct xmethod_worker *worker, + struct value *object, struct value **args, int nargs, + struct type **result_type); extern struct value *gdbpy_invoke_xmethod (const struct extension_language_defn *extlang, struct xmethod_worker *worker, diff --git a/gdb/python/python.c b/gdb/python/python.c index ee86680571..4f88b0e26b 100644 --- a/gdb/python/python.c +++ b/gdb/python/python.c @@ -192,6 +192,7 @@ const struct extension_language_ops python_extension_ops = gdbpy_free_xmethod_worker_data, gdbpy_get_matching_xmethod_workers, gdbpy_get_xmethod_arg_types, + gdbpy_get_xmethod_result_type, gdbpy_invoke_xmethod }; diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog index e54d1f66b9..a9a0757f0f 100644 --- a/gdb/testsuite/ChangeLog +++ b/gdb/testsuite/ChangeLog @@ -1,3 +1,9 @@ +2015-04-29 Doug Evans <dje@google.com> + + * gdb.python/py-xmethods.exp: Add ptype tests. + * gdb.python/py-xmethods.py (E_method_char_worker): Add + get_result_type method. + 2015-04-29 Luis Machado <lgustavo@codesourcery.com> * gdb.base/watch-bitfields.exp: Switch to software watchpoints if diff --git a/gdb/testsuite/gdb.python/py-xmethods.exp b/gdb/testsuite/gdb.python/py-xmethods.exp index a83b14d284..eea1283ba1 100644 --- a/gdb/testsuite/gdb.python/py-xmethods.exp +++ b/gdb/testsuite/gdb.python/py-xmethods.exp @@ -107,8 +107,9 @@ gdb_test "p a_ptr->geta()" "From Python <A_geta>.*30" "After: a_ptr->geta()" gdb_test "p e.geta()" "From Python <A_geta>.*100" "After: e.geta()" gdb_test "p e_ptr->geta()" "From Python <A_geta>.*100" "After: e_ptr->geta()" gdb_test "p e_ref.geta()" "From Python <A_geta>.*100" "After: e_ref.geta()" -gdb_test "p e.method(10)" "From Python <E_method_int>.*" "After: e.method(10)" -gdb_test "p e.method('a')" "From Python <E_method_char>.*" \ +gdb_test "p e.method(10)" "From Python <E_method_int>.* = void" \ + "After: e.method(10)" +gdb_test "p e.method('a')" "From Python <E_method_char>.* = void" \ "After: e.method('a')" gdb_test "p g.size_diff<float> ()" "From Python G<>::size_diff.*" \ "After: g.size_diff<float>()" @@ -149,3 +150,11 @@ gdb_test_no_output "disable xmethod progspace E_methods;method_int" \ "disable xmethod progspace E_methods;method_int" gdb_test "info xmethod progspace E_methods;method_int" ".* \\\[disabled\\\]" \ "info xmethod xmethods E_methods;method_int" + +# PR 18285 +# First make sure both are enabled. +gdb_test_no_output "enable xmethod progspace E_methods;method_char" +gdb_test_no_output "enable xmethod progspace E_methods;method_int" +gdb_test "pt e.method('a')" "type = void" +gdb_test "pt e.method(10)" \ + "NotImplementedError.*Error while fetching result type of an xmethod worker defined in Python." diff --git a/gdb/testsuite/gdb.python/py-xmethods.py b/gdb/testsuite/gdb.python/py-xmethods.py index 78935e14eb..3a2f100f3b 100644 --- a/gdb/testsuite/gdb.python/py-xmethods.py +++ b/gdb/testsuite/gdb.python/py-xmethods.py @@ -60,6 +60,9 @@ class E_method_char_worker(XMethodWorker): def get_arg_types(self): return gdb.lookup_type('char') + def get_result_type(self, obj, arg): + return gdb.lookup_type('void') + def __call__(self, obj, arg): print('From Python <E_method_char>') return None @@ -72,6 +75,8 @@ class E_method_int_worker(XMethodWorker): def get_arg_types(self): return gdb.lookup_type('int') + # Note: get_result_type method elided on purpose + def __call__(self, obj, arg): print('From Python <E_method_int>') return None diff --git a/gdb/valarith.c b/gdb/valarith.c index fb9ec601a7..df1e8c3a17 100644 --- a/gdb/valarith.c +++ b/gdb/valarith.c @@ -482,6 +482,21 @@ value_x_binop (struct value *arg1, struct value *arg2, enum exp_opcode op, argvec[1] = argvec[0]; argvec++; } + if (TYPE_CODE (value_type (argvec[0])) == TYPE_CODE_XMETHOD) + { + /* Static xmethods are not supported yet. */ + gdb_assert (static_memfuncp == 0); + if (noside == EVAL_AVOID_SIDE_EFFECTS) + { + struct type *return_type + = result_type_of_xmethod (argvec[0], 2, argvec + 1); + + if (return_type == NULL) + error (_("Xmethod is missing return type.")); + return value_zero (return_type, VALUE_LVAL (arg1)); + } + return call_xmethod (argvec[0], 2, argvec + 1); + } if (noside == EVAL_AVOID_SIDE_EFFECTS) { struct type *return_type; @@ -490,16 +505,8 @@ value_x_binop (struct value *arg1, struct value *arg2, enum exp_opcode op, = TYPE_TARGET_TYPE (check_typedef (value_type (argvec[0]))); return value_zero (return_type, VALUE_LVAL (arg1)); } - - if (TYPE_CODE (value_type (argvec[0])) == TYPE_CODE_XMETHOD) - { - /* Static xmethods are not supported yet. */ - gdb_assert (static_memfuncp == 0); - return call_xmethod (argvec[0], 2, argvec + 1); - } - else - return call_function_by_hand (argvec[0], 2 - static_memfuncp, - argvec + 1); + return call_function_by_hand (argvec[0], 2 - static_memfuncp, + argvec + 1); } throw_error (NOT_FOUND_ERROR, _("member function %s not found"), tstr); @@ -594,6 +601,21 @@ value_x_unop (struct value *arg1, enum exp_opcode op, enum noside noside) nargs --; argvec++; } + if (TYPE_CODE (value_type (argvec[0])) == TYPE_CODE_XMETHOD) + { + /* Static xmethods are not supported yet. */ + gdb_assert (static_memfuncp == 0); + if (noside == EVAL_AVOID_SIDE_EFFECTS) + { + struct type *return_type + = result_type_of_xmethod (argvec[0], 1, argvec + 1); + + if (return_type == NULL) + error (_("Xmethod is missing return type.")); + return value_zero (return_type, VALUE_LVAL (arg1)); + } + return call_xmethod (argvec[0], 1, argvec + 1); + } if (noside == EVAL_AVOID_SIDE_EFFECTS) { struct type *return_type; @@ -602,14 +624,7 @@ value_x_unop (struct value *arg1, enum exp_opcode op, enum noside noside) = TYPE_TARGET_TYPE (check_typedef (value_type (argvec[0]))); return value_zero (return_type, VALUE_LVAL (arg1)); } - if (TYPE_CODE (value_type (argvec[0])) == TYPE_CODE_XMETHOD) - { - /* Static xmethods are not supported yet. */ - gdb_assert (static_memfuncp == 0); - return call_xmethod (argvec[0], 1, argvec + 1); - } - else - return call_function_by_hand (argvec[0], nargs, argvec + 1); + return call_function_by_hand (argvec[0], nargs, argvec + 1); } throw_error (NOT_FOUND_ERROR, _("member function %s not found"), tstr); diff --git a/gdb/value.c b/gdb/value.c index cb56849eee..c36f7488a9 100644 --- a/gdb/value.c +++ b/gdb/value.c @@ -2600,6 +2600,18 @@ value_of_xmethod (struct xmethod_worker *worker) return worker->value; } +/* Return the type of the result of TYPE_CODE_XMETHOD value METHOD. */ + +struct type * +result_type_of_xmethod (struct value *method, int argc, struct value **argv) +{ + gdb_assert (TYPE_CODE (value_type (method)) == TYPE_CODE_XMETHOD + && method->lval == lval_xcallable && argc > 0); + + return get_xmethod_result_type (method->location.xm_worker, + argv[0], argv + 1, argc - 1); +} + /* Call the xmethod corresponding to the TYPE_CODE_XMETHOD value METHOD. */ struct value * diff --git a/gdb/value.h b/gdb/value.h index 21baa32442..25107a4b12 100644 --- a/gdb/value.h +++ b/gdb/value.h @@ -1080,7 +1080,10 @@ char *value_internal_function_name (struct value *); extern struct value *value_of_xmethod (struct xmethod_worker *); -struct value *call_xmethod (struct value *function, - int argc, struct value **argv); +extern struct type *result_type_of_xmethod (struct value *method, + int argc, struct value **argv); + +extern struct value *call_xmethod (struct value *method, + int argc, struct value **argv); #endif /* !defined (VALUE_H) */ |