1683 lines
42 KiB
C
1683 lines
42 KiB
C
/* Python interface to types.
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Copyright (C) 2008-2019 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include "defs.h"
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#include "value.h"
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#include "python-internal.h"
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#include "charset.h"
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#include "gdbtypes.h"
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#include "cp-support.h"
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#include "demangle.h"
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#include "objfiles.h"
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#include "language.h"
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#include "common/vec.h"
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#include "typeprint.h"
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typedef struct pyty_type_object
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{
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PyObject_HEAD
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struct type *type;
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/* If a Type object is associated with an objfile, it is kept on a
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doubly-linked list, rooted in the objfile. This lets us copy the
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underlying struct type when the objfile is deleted. */
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struct pyty_type_object *prev;
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struct pyty_type_object *next;
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} type_object;
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extern PyTypeObject type_object_type
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CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("type_object");
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/* A Field object. */
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typedef struct pyty_field_object
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{
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PyObject_HEAD
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/* Dictionary holding our attributes. */
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PyObject *dict;
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} field_object;
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extern PyTypeObject field_object_type
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CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("field_object");
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/* A type iterator object. */
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typedef struct {
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PyObject_HEAD
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/* The current field index. */
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int field;
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/* What to return. */
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enum gdbpy_iter_kind kind;
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/* Pointer back to the original source type object. */
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struct pyty_type_object *source;
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} typy_iterator_object;
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extern PyTypeObject type_iterator_object_type
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CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("typy_iterator_object");
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/* This is used to initialize various gdb.TYPE_ constants. */
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struct pyty_code
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{
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/* The code. */
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enum type_code code;
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/* The name. */
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const char *name;
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};
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/* Forward declarations. */
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static PyObject *typy_make_iter (PyObject *self, enum gdbpy_iter_kind kind);
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#define ENTRY(X) { X, #X }
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static struct pyty_code pyty_codes[] =
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{
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ENTRY (TYPE_CODE_BITSTRING),
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ENTRY (TYPE_CODE_PTR),
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ENTRY (TYPE_CODE_ARRAY),
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ENTRY (TYPE_CODE_STRUCT),
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ENTRY (TYPE_CODE_UNION),
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ENTRY (TYPE_CODE_ENUM),
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ENTRY (TYPE_CODE_FLAGS),
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ENTRY (TYPE_CODE_FUNC),
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ENTRY (TYPE_CODE_INT),
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ENTRY (TYPE_CODE_FLT),
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ENTRY (TYPE_CODE_VOID),
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ENTRY (TYPE_CODE_SET),
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ENTRY (TYPE_CODE_RANGE),
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ENTRY (TYPE_CODE_STRING),
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ENTRY (TYPE_CODE_ERROR),
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ENTRY (TYPE_CODE_METHOD),
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ENTRY (TYPE_CODE_METHODPTR),
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ENTRY (TYPE_CODE_MEMBERPTR),
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ENTRY (TYPE_CODE_REF),
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ENTRY (TYPE_CODE_RVALUE_REF),
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ENTRY (TYPE_CODE_CHAR),
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ENTRY (TYPE_CODE_BOOL),
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ENTRY (TYPE_CODE_COMPLEX),
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ENTRY (TYPE_CODE_TYPEDEF),
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ENTRY (TYPE_CODE_NAMESPACE),
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ENTRY (TYPE_CODE_DECFLOAT),
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ENTRY (TYPE_CODE_INTERNAL_FUNCTION),
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{ TYPE_CODE_UNDEF, NULL }
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};
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static void
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field_dealloc (PyObject *obj)
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{
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field_object *f = (field_object *) obj;
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Py_XDECREF (f->dict);
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Py_TYPE (obj)->tp_free (obj);
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}
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static PyObject *
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field_new (void)
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{
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gdbpy_ref<field_object> result (PyObject_New (field_object,
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&field_object_type));
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if (result != NULL)
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{
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result->dict = PyDict_New ();
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if (!result->dict)
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return NULL;
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}
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return (PyObject *) result.release ();
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}
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/* Return true if OBJ is of type gdb.Field, false otherwise. */
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int
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gdbpy_is_field (PyObject *obj)
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{
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return PyObject_TypeCheck (obj, &field_object_type);
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}
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/* Return the code for this type. */
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static PyObject *
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typy_get_code (PyObject *self, void *closure)
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{
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struct type *type = ((type_object *) self)->type;
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return PyInt_FromLong (TYPE_CODE (type));
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}
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/* Helper function for typy_fields which converts a single field to a
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gdb.Field object. Returns NULL on error. */
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static gdbpy_ref<>
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convert_field (struct type *type, int field)
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{
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gdbpy_ref<> result (field_new ());
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if (result == NULL)
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return NULL;
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gdbpy_ref<> arg (type_to_type_object (type));
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if (arg == NULL)
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return NULL;
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if (PyObject_SetAttrString (result.get (), "parent_type", arg.get ()) < 0)
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return NULL;
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if (!field_is_static (&TYPE_FIELD (type, field)))
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{
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const char *attrstring;
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if (TYPE_CODE (type) == TYPE_CODE_ENUM)
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{
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arg.reset (gdb_py_long_from_longest (TYPE_FIELD_ENUMVAL (type,
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field)));
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attrstring = "enumval";
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}
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else
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{
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arg.reset (gdb_py_long_from_longest (TYPE_FIELD_BITPOS (type,
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field)));
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attrstring = "bitpos";
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}
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if (arg == NULL)
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return NULL;
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if (PyObject_SetAttrString (result.get (), attrstring, arg.get ()) < 0)
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return NULL;
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}
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arg.reset (NULL);
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if (TYPE_FIELD_NAME (type, field))
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{
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const char *field_name = TYPE_FIELD_NAME (type, field);
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if (field_name[0] != '\0')
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{
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arg.reset (PyString_FromString (TYPE_FIELD_NAME (type, field)));
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if (arg == NULL)
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return NULL;
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}
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}
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if (arg == NULL)
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arg = gdbpy_ref<>::new_reference (Py_None);
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if (PyObject_SetAttrString (result.get (), "name", arg.get ()) < 0)
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return NULL;
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arg = gdbpy_ref<>::new_reference (TYPE_FIELD_ARTIFICIAL (type, field)
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? Py_True : Py_False);
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if (PyObject_SetAttrString (result.get (), "artificial", arg.get ()) < 0)
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return NULL;
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if (TYPE_CODE (type) == TYPE_CODE_STRUCT)
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arg = gdbpy_ref<>::new_reference (field < TYPE_N_BASECLASSES (type)
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? Py_True : Py_False);
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else
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arg = gdbpy_ref<>::new_reference (Py_False);
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if (PyObject_SetAttrString (result.get (), "is_base_class", arg.get ()) < 0)
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return NULL;
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arg.reset (PyLong_FromLong (TYPE_FIELD_BITSIZE (type, field)));
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if (arg == NULL)
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return NULL;
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if (PyObject_SetAttrString (result.get (), "bitsize", arg.get ()) < 0)
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return NULL;
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/* A field can have a NULL type in some situations. */
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if (TYPE_FIELD_TYPE (type, field) == NULL)
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arg = gdbpy_ref<>::new_reference (Py_None);
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else
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arg.reset (type_to_type_object (TYPE_FIELD_TYPE (type, field)));
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if (arg == NULL)
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return NULL;
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if (PyObject_SetAttrString (result.get (), "type", arg.get ()) < 0)
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return NULL;
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return result;
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}
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/* Helper function to return the name of a field, as a gdb.Field object.
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If the field doesn't have a name, None is returned. */
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static gdbpy_ref<>
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field_name (struct type *type, int field)
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{
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gdbpy_ref<> result;
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if (TYPE_FIELD_NAME (type, field))
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result.reset (PyString_FromString (TYPE_FIELD_NAME (type, field)));
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else
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result = gdbpy_ref<>::new_reference (Py_None);
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return result;
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}
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/* Helper function for Type standard mapping methods. Returns a
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Python object for field i of the type. "kind" specifies what to
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return: the name of the field, a gdb.Field object corresponding to
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the field, or a tuple consisting of field name and gdb.Field
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object. */
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static gdbpy_ref<>
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make_fielditem (struct type *type, int i, enum gdbpy_iter_kind kind)
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{
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switch (kind)
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{
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case iter_items:
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{
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gdbpy_ref<> key (field_name (type, i));
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if (key == NULL)
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return NULL;
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gdbpy_ref<> value = convert_field (type, i);
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if (value == NULL)
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return NULL;
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gdbpy_ref<> item (PyTuple_New (2));
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if (item == NULL)
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return NULL;
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PyTuple_SET_ITEM (item.get (), 0, key.release ());
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PyTuple_SET_ITEM (item.get (), 1, value.release ());
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return item;
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}
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case iter_keys:
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return field_name (type, i);
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case iter_values:
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return convert_field (type, i);
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}
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gdb_assert_not_reached ("invalid gdbpy_iter_kind");
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}
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/* Return a sequence of all field names, fields, or (name, field) pairs.
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Each field is a gdb.Field object. */
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static PyObject *
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typy_fields_items (PyObject *self, enum gdbpy_iter_kind kind)
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{
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PyObject *py_type = self;
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struct type *type = ((type_object *) py_type)->type;
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struct type *checked_type = type;
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TRY
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{
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checked_type = check_typedef (checked_type);
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}
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CATCH (except, RETURN_MASK_ALL)
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{
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GDB_PY_HANDLE_EXCEPTION (except);
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}
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END_CATCH
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gdbpy_ref<> type_holder;
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if (checked_type != type)
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{
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type_holder.reset (type_to_type_object (checked_type));
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if (type_holder == nullptr)
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return nullptr;
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py_type = type_holder.get ();
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}
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gdbpy_ref<> iter (typy_make_iter (py_type, kind));
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if (iter == nullptr)
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return nullptr;
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return PySequence_List (iter.get ());
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}
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/* Return a sequence of all fields. Each field is a gdb.Field object. */
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static PyObject *
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typy_values (PyObject *self, PyObject *args)
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{
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return typy_fields_items (self, iter_values);
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}
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/* Return a sequence of all fields. Each field is a gdb.Field object.
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This method is similar to typy_values, except where the supplied
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gdb.Type is an array, in which case it returns a list of one entry
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which is a gdb.Field object for a range (the array bounds). */
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static PyObject *
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typy_fields (PyObject *self, PyObject *args)
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{
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struct type *type = ((type_object *) self)->type;
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if (TYPE_CODE (type) != TYPE_CODE_ARRAY)
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return typy_fields_items (self, iter_values);
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/* Array type. Handle this as a special case because the common
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machinery wants struct or union or enum types. Build a list of
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one entry which is the range for the array. */
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gdbpy_ref<> r = convert_field (type, 0);
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if (r == NULL)
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return NULL;
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||
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return Py_BuildValue ("[O]", r.get ());
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}
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||
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/* Return a sequence of all field names. Each field is a gdb.Field object. */
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||
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static PyObject *
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typy_field_names (PyObject *self, PyObject *args)
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{
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return typy_fields_items (self, iter_keys);
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}
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/* Return a sequence of all (name, fields) pairs. Each field is a
|
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gdb.Field object. */
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||
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static PyObject *
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typy_items (PyObject *self, PyObject *args)
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{
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return typy_fields_items (self, iter_items);
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}
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||
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/* Return the type's name, or None. */
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||
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static PyObject *
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typy_get_name (PyObject *self, void *closure)
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||
{
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||
struct type *type = ((type_object *) self)->type;
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if (TYPE_NAME (type) == NULL)
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Py_RETURN_NONE;
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return PyString_FromString (TYPE_NAME (type));
|
||
}
|
||
|
||
/* Return the type's tag, or None. */
|
||
static PyObject *
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typy_get_tag (PyObject *self, void *closure)
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||
{
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||
struct type *type = ((type_object *) self)->type;
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||
const char *tagname = nullptr;
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||
|
||
if (TYPE_CODE (type) == TYPE_CODE_STRUCT
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||
|| TYPE_CODE (type) == TYPE_CODE_UNION
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|| TYPE_CODE (type) == TYPE_CODE_ENUM)
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tagname = TYPE_NAME (type);
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||
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if (tagname == nullptr)
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||
Py_RETURN_NONE;
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||
return PyString_FromString (tagname);
|
||
}
|
||
|
||
/* Return the type, stripped of typedefs. */
|
||
static PyObject *
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||
typy_strip_typedefs (PyObject *self, PyObject *args)
|
||
{
|
||
struct type *type = ((type_object *) self)->type;
|
||
|
||
TRY
|
||
{
|
||
type = check_typedef (type);
|
||
}
|
||
CATCH (except, RETURN_MASK_ALL)
|
||
{
|
||
GDB_PY_HANDLE_EXCEPTION (except);
|
||
}
|
||
END_CATCH
|
||
|
||
return type_to_type_object (type);
|
||
}
|
||
|
||
/* Strip typedefs and pointers/reference from a type. Then check that
|
||
it is a struct, union, or enum type. If not, raise TypeError. */
|
||
|
||
static struct type *
|
||
typy_get_composite (struct type *type)
|
||
{
|
||
|
||
for (;;)
|
||
{
|
||
TRY
|
||
{
|
||
type = check_typedef (type);
|
||
}
|
||
CATCH (except, RETURN_MASK_ALL)
|
||
{
|
||
GDB_PY_HANDLE_EXCEPTION (except);
|
||
}
|
||
END_CATCH
|
||
|
||
if (TYPE_CODE (type) != TYPE_CODE_PTR && !TYPE_IS_REFERENCE (type))
|
||
break;
|
||
type = TYPE_TARGET_TYPE (type);
|
||
}
|
||
|
||
/* If this is not a struct, union, or enum type, raise TypeError
|
||
exception. */
|
||
if (TYPE_CODE (type) != TYPE_CODE_STRUCT
|
||
&& TYPE_CODE (type) != TYPE_CODE_UNION
|
||
&& TYPE_CODE (type) != TYPE_CODE_ENUM
|
||
&& TYPE_CODE (type) != TYPE_CODE_FUNC)
|
||
{
|
||
PyErr_SetString (PyExc_TypeError,
|
||
"Type is not a structure, union, enum, or function type.");
|
||
return NULL;
|
||
}
|
||
|
||
return type;
|
||
}
|
||
|
||
/* Helper for typy_array and typy_vector. */
|
||
|
||
static PyObject *
|
||
typy_array_1 (PyObject *self, PyObject *args, int is_vector)
|
||
{
|
||
long n1, n2;
|
||
PyObject *n2_obj = NULL;
|
||
struct type *array = NULL;
|
||
struct type *type = ((type_object *) self)->type;
|
||
|
||
if (! PyArg_ParseTuple (args, "l|O", &n1, &n2_obj))
|
||
return NULL;
|
||
|
||
if (n2_obj)
|
||
{
|
||
if (!PyInt_Check (n2_obj))
|
||
{
|
||
PyErr_SetString (PyExc_RuntimeError,
|
||
_("Array bound must be an integer"));
|
||
return NULL;
|
||
}
|
||
|
||
if (! gdb_py_int_as_long (n2_obj, &n2))
|
||
return NULL;
|
||
}
|
||
else
|
||
{
|
||
n2 = n1;
|
||
n1 = 0;
|
||
}
|
||
|
||
if (n2 < n1 - 1) /* Note: An empty array has n2 == n1 - 1. */
|
||
{
|
||
PyErr_SetString (PyExc_ValueError,
|
||
_("Array length must not be negative"));
|
||
return NULL;
|
||
}
|
||
|
||
TRY
|
||
{
|
||
array = lookup_array_range_type (type, n1, n2);
|
||
if (is_vector)
|
||
make_vector_type (array);
|
||
}
|
||
CATCH (except, RETURN_MASK_ALL)
|
||
{
|
||
GDB_PY_HANDLE_EXCEPTION (except);
|
||
}
|
||
END_CATCH
|
||
|
||
return type_to_type_object (array);
|
||
}
|
||
|
||
/* Return an array type. */
|
||
|
||
static PyObject *
|
||
typy_array (PyObject *self, PyObject *args)
|
||
{
|
||
return typy_array_1 (self, args, 0);
|
||
}
|
||
|
||
/* Return a vector type. */
|
||
|
||
static PyObject *
|
||
typy_vector (PyObject *self, PyObject *args)
|
||
{
|
||
return typy_array_1 (self, args, 1);
|
||
}
|
||
|
||
/* Return a Type object which represents a pointer to SELF. */
|
||
static PyObject *
|
||
typy_pointer (PyObject *self, PyObject *args)
|
||
{
|
||
struct type *type = ((type_object *) self)->type;
|
||
|
||
TRY
|
||
{
|
||
type = lookup_pointer_type (type);
|
||
}
|
||
CATCH (except, RETURN_MASK_ALL)
|
||
{
|
||
GDB_PY_HANDLE_EXCEPTION (except);
|
||
}
|
||
END_CATCH
|
||
|
||
return type_to_type_object (type);
|
||
}
|
||
|
||
/* Return the range of a type represented by SELF. The return type is
|
||
a tuple. The first element of the tuple contains the low bound,
|
||
while the second element of the tuple contains the high bound. */
|
||
static PyObject *
|
||
typy_range (PyObject *self, PyObject *args)
|
||
{
|
||
struct type *type = ((type_object *) self)->type;
|
||
/* Initialize these to appease GCC warnings. */
|
||
LONGEST low = 0, high = 0;
|
||
|
||
if (TYPE_CODE (type) != TYPE_CODE_ARRAY
|
||
&& TYPE_CODE (type) != TYPE_CODE_STRING
|
||
&& TYPE_CODE (type) != TYPE_CODE_RANGE)
|
||
{
|
||
PyErr_SetString (PyExc_RuntimeError,
|
||
_("This type does not have a range."));
|
||
return NULL;
|
||
}
|
||
|
||
switch (TYPE_CODE (type))
|
||
{
|
||
case TYPE_CODE_ARRAY:
|
||
case TYPE_CODE_STRING:
|
||
low = TYPE_LOW_BOUND (TYPE_INDEX_TYPE (type));
|
||
high = TYPE_HIGH_BOUND (TYPE_INDEX_TYPE (type));
|
||
break;
|
||
case TYPE_CODE_RANGE:
|
||
low = TYPE_LOW_BOUND (type);
|
||
high = TYPE_HIGH_BOUND (type);
|
||
break;
|
||
}
|
||
|
||
gdbpy_ref<> low_bound (PyLong_FromLong (low));
|
||
if (low_bound == NULL)
|
||
return NULL;
|
||
|
||
gdbpy_ref<> high_bound (PyLong_FromLong (high));
|
||
if (high_bound == NULL)
|
||
return NULL;
|
||
|
||
gdbpy_ref<> result (PyTuple_New (2));
|
||
if (result == NULL)
|
||
return NULL;
|
||
|
||
if (PyTuple_SetItem (result.get (), 0, low_bound.release ()) != 0
|
||
|| PyTuple_SetItem (result.get (), 1, high_bound.release ()) != 0)
|
||
return NULL;
|
||
return result.release ();
|
||
}
|
||
|
||
/* Return a Type object which represents a reference to SELF. */
|
||
static PyObject *
|
||
typy_reference (PyObject *self, PyObject *args)
|
||
{
|
||
struct type *type = ((type_object *) self)->type;
|
||
|
||
TRY
|
||
{
|
||
type = lookup_lvalue_reference_type (type);
|
||
}
|
||
CATCH (except, RETURN_MASK_ALL)
|
||
{
|
||
GDB_PY_HANDLE_EXCEPTION (except);
|
||
}
|
||
END_CATCH
|
||
|
||
return type_to_type_object (type);
|
||
}
|
||
|
||
/* Return a Type object which represents the target type of SELF. */
|
||
static PyObject *
|
||
typy_target (PyObject *self, PyObject *args)
|
||
{
|
||
struct type *type = ((type_object *) self)->type;
|
||
|
||
if (!TYPE_TARGET_TYPE (type))
|
||
{
|
||
PyErr_SetString (PyExc_RuntimeError,
|
||
_("Type does not have a target."));
|
||
return NULL;
|
||
}
|
||
|
||
return type_to_type_object (TYPE_TARGET_TYPE (type));
|
||
}
|
||
|
||
/* Return a const-qualified type variant. */
|
||
static PyObject *
|
||
typy_const (PyObject *self, PyObject *args)
|
||
{
|
||
struct type *type = ((type_object *) self)->type;
|
||
|
||
TRY
|
||
{
|
||
type = make_cv_type (1, 0, type, NULL);
|
||
}
|
||
CATCH (except, RETURN_MASK_ALL)
|
||
{
|
||
GDB_PY_HANDLE_EXCEPTION (except);
|
||
}
|
||
END_CATCH
|
||
|
||
return type_to_type_object (type);
|
||
}
|
||
|
||
/* Return a volatile-qualified type variant. */
|
||
static PyObject *
|
||
typy_volatile (PyObject *self, PyObject *args)
|
||
{
|
||
struct type *type = ((type_object *) self)->type;
|
||
|
||
TRY
|
||
{
|
||
type = make_cv_type (0, 1, type, NULL);
|
||
}
|
||
CATCH (except, RETURN_MASK_ALL)
|
||
{
|
||
GDB_PY_HANDLE_EXCEPTION (except);
|
||
}
|
||
END_CATCH
|
||
|
||
return type_to_type_object (type);
|
||
}
|
||
|
||
/* Return an unqualified type variant. */
|
||
static PyObject *
|
||
typy_unqualified (PyObject *self, PyObject *args)
|
||
{
|
||
struct type *type = ((type_object *) self)->type;
|
||
|
||
TRY
|
||
{
|
||
type = make_cv_type (0, 0, type, NULL);
|
||
}
|
||
CATCH (except, RETURN_MASK_ALL)
|
||
{
|
||
GDB_PY_HANDLE_EXCEPTION (except);
|
||
}
|
||
END_CATCH
|
||
|
||
return type_to_type_object (type);
|
||
}
|
||
|
||
/* Return the size of the type represented by SELF, in bytes. */
|
||
static PyObject *
|
||
typy_get_sizeof (PyObject *self, void *closure)
|
||
{
|
||
struct type *type = ((type_object *) self)->type;
|
||
|
||
TRY
|
||
{
|
||
check_typedef (type);
|
||
}
|
||
CATCH (except, RETURN_MASK_ALL)
|
||
{
|
||
}
|
||
END_CATCH
|
||
|
||
/* Ignore exceptions. */
|
||
|
||
return gdb_py_long_from_longest (TYPE_LENGTH (type));
|
||
}
|
||
|
||
/* Return the alignment of the type represented by SELF, in bytes. */
|
||
static PyObject *
|
||
typy_get_alignof (PyObject *self, void *closure)
|
||
{
|
||
struct type *type = ((type_object *) self)->type;
|
||
|
||
ULONGEST align = 0;
|
||
TRY
|
||
{
|
||
align = type_align (type);
|
||
}
|
||
CATCH (except, RETURN_MASK_ALL)
|
||
{
|
||
align = 0;
|
||
}
|
||
END_CATCH
|
||
|
||
/* Ignore exceptions. */
|
||
|
||
return gdb_py_object_from_ulongest (align).release ();
|
||
}
|
||
|
||
static struct type *
|
||
typy_lookup_typename (const char *type_name, const struct block *block)
|
||
{
|
||
struct type *type = NULL;
|
||
|
||
TRY
|
||
{
|
||
if (startswith (type_name, "struct "))
|
||
type = lookup_struct (type_name + 7, NULL);
|
||
else if (startswith (type_name, "union "))
|
||
type = lookup_union (type_name + 6, NULL);
|
||
else if (startswith (type_name, "enum "))
|
||
type = lookup_enum (type_name + 5, NULL);
|
||
else
|
||
type = lookup_typename (python_language, python_gdbarch,
|
||
type_name, block, 0);
|
||
}
|
||
CATCH (except, RETURN_MASK_ALL)
|
||
{
|
||
GDB_PY_HANDLE_EXCEPTION (except);
|
||
}
|
||
END_CATCH
|
||
|
||
return type;
|
||
}
|
||
|
||
static struct type *
|
||
typy_lookup_type (struct demangle_component *demangled,
|
||
const struct block *block)
|
||
{
|
||
struct type *type, *rtype = NULL;
|
||
enum demangle_component_type demangled_type;
|
||
|
||
/* Save the type: typy_lookup_type() may (indirectly) overwrite
|
||
memory pointed by demangled. */
|
||
demangled_type = demangled->type;
|
||
|
||
if (demangled_type == DEMANGLE_COMPONENT_POINTER
|
||
|| demangled_type == DEMANGLE_COMPONENT_REFERENCE
|
||
|| demangled_type == DEMANGLE_COMPONENT_RVALUE_REFERENCE
|
||
|| demangled_type == DEMANGLE_COMPONENT_CONST
|
||
|| demangled_type == DEMANGLE_COMPONENT_VOLATILE)
|
||
{
|
||
type = typy_lookup_type (demangled->u.s_binary.left, block);
|
||
if (! type)
|
||
return NULL;
|
||
|
||
TRY
|
||
{
|
||
/* If the demangled_type matches with one of the types
|
||
below, run the corresponding function and save the type
|
||
to return later. We cannot just return here as we are in
|
||
an exception handler. */
|
||
switch (demangled_type)
|
||
{
|
||
case DEMANGLE_COMPONENT_REFERENCE:
|
||
rtype = lookup_lvalue_reference_type (type);
|
||
break;
|
||
case DEMANGLE_COMPONENT_RVALUE_REFERENCE:
|
||
rtype = lookup_rvalue_reference_type (type);
|
||
break;
|
||
case DEMANGLE_COMPONENT_POINTER:
|
||
rtype = lookup_pointer_type (type);
|
||
break;
|
||
case DEMANGLE_COMPONENT_CONST:
|
||
rtype = make_cv_type (1, 0, type, NULL);
|
||
break;
|
||
case DEMANGLE_COMPONENT_VOLATILE:
|
||
rtype = make_cv_type (0, 1, type, NULL);
|
||
break;
|
||
}
|
||
}
|
||
CATCH (except, RETURN_MASK_ALL)
|
||
{
|
||
GDB_PY_HANDLE_EXCEPTION (except);
|
||
}
|
||
END_CATCH
|
||
}
|
||
|
||
/* If we have a type from the switch statement above, just return
|
||
that. */
|
||
if (rtype)
|
||
return rtype;
|
||
|
||
/* We don't have a type, so lookup the type. */
|
||
gdb::unique_xmalloc_ptr<char> type_name = cp_comp_to_string (demangled, 10);
|
||
return typy_lookup_typename (type_name.get (), block);
|
||
}
|
||
|
||
/* This is a helper function for typy_template_argument that is used
|
||
when the type does not have template symbols attached. It works by
|
||
parsing the type name. This happens with compilers, like older
|
||
versions of GCC, that do not emit DW_TAG_template_*. */
|
||
|
||
static PyObject *
|
||
typy_legacy_template_argument (struct type *type, const struct block *block,
|
||
int argno)
|
||
{
|
||
int i;
|
||
struct demangle_component *demangled;
|
||
std::unique_ptr<demangle_parse_info> info;
|
||
std::string err;
|
||
struct type *argtype;
|
||
|
||
if (TYPE_NAME (type) == NULL)
|
||
{
|
||
PyErr_SetString (PyExc_RuntimeError, _("Null type name."));
|
||
return NULL;
|
||
}
|
||
|
||
TRY
|
||
{
|
||
/* Note -- this is not thread-safe. */
|
||
info = cp_demangled_name_to_comp (TYPE_NAME (type), &err);
|
||
}
|
||
CATCH (except, RETURN_MASK_ALL)
|
||
{
|
||
GDB_PY_HANDLE_EXCEPTION (except);
|
||
}
|
||
END_CATCH
|
||
|
||
if (! info)
|
||
{
|
||
PyErr_SetString (PyExc_RuntimeError, err.c_str ());
|
||
return NULL;
|
||
}
|
||
demangled = info->tree;
|
||
|
||
/* Strip off component names. */
|
||
while (demangled->type == DEMANGLE_COMPONENT_QUAL_NAME
|
||
|| demangled->type == DEMANGLE_COMPONENT_LOCAL_NAME)
|
||
demangled = demangled->u.s_binary.right;
|
||
|
||
if (demangled->type != DEMANGLE_COMPONENT_TEMPLATE)
|
||
{
|
||
PyErr_SetString (PyExc_RuntimeError, _("Type is not a template."));
|
||
return NULL;
|
||
}
|
||
|
||
/* Skip from the template to the arguments. */
|
||
demangled = demangled->u.s_binary.right;
|
||
|
||
for (i = 0; demangled && i < argno; ++i)
|
||
demangled = demangled->u.s_binary.right;
|
||
|
||
if (! demangled)
|
||
{
|
||
PyErr_Format (PyExc_RuntimeError, _("No argument %d in template."),
|
||
argno);
|
||
return NULL;
|
||
}
|
||
|
||
argtype = typy_lookup_type (demangled->u.s_binary.left, block);
|
||
if (! argtype)
|
||
return NULL;
|
||
|
||
return type_to_type_object (argtype);
|
||
}
|
||
|
||
static PyObject *
|
||
typy_template_argument (PyObject *self, PyObject *args)
|
||
{
|
||
int argno;
|
||
struct type *type = ((type_object *) self)->type;
|
||
const struct block *block = NULL;
|
||
PyObject *block_obj = NULL;
|
||
struct symbol *sym;
|
||
struct value *val = NULL;
|
||
|
||
if (! PyArg_ParseTuple (args, "i|O", &argno, &block_obj))
|
||
return NULL;
|
||
|
||
if (argno < 0)
|
||
{
|
||
PyErr_SetString (PyExc_RuntimeError,
|
||
_("Template argument number must be non-negative"));
|
||
return NULL;
|
||
}
|
||
|
||
if (block_obj)
|
||
{
|
||
block = block_object_to_block (block_obj);
|
||
if (! block)
|
||
{
|
||
PyErr_SetString (PyExc_RuntimeError,
|
||
_("Second argument must be block."));
|
||
return NULL;
|
||
}
|
||
}
|
||
|
||
TRY
|
||
{
|
||
type = check_typedef (type);
|
||
if (TYPE_IS_REFERENCE (type))
|
||
type = check_typedef (TYPE_TARGET_TYPE (type));
|
||
}
|
||
CATCH (except, RETURN_MASK_ALL)
|
||
{
|
||
GDB_PY_HANDLE_EXCEPTION (except);
|
||
}
|
||
END_CATCH
|
||
|
||
/* We might not have DW_TAG_template_*, so try to parse the type's
|
||
name. This is inefficient if we do not have a template type --
|
||
but that is going to wind up as an error anyhow. */
|
||
if (! TYPE_N_TEMPLATE_ARGUMENTS (type))
|
||
return typy_legacy_template_argument (type, block, argno);
|
||
|
||
if (argno >= TYPE_N_TEMPLATE_ARGUMENTS (type))
|
||
{
|
||
PyErr_Format (PyExc_RuntimeError, _("No argument %d in template."),
|
||
argno);
|
||
return NULL;
|
||
}
|
||
|
||
sym = TYPE_TEMPLATE_ARGUMENT (type, argno);
|
||
if (SYMBOL_CLASS (sym) == LOC_TYPEDEF)
|
||
return type_to_type_object (SYMBOL_TYPE (sym));
|
||
else if (SYMBOL_CLASS (sym) == LOC_OPTIMIZED_OUT)
|
||
{
|
||
PyErr_Format (PyExc_RuntimeError,
|
||
_("Template argument is optimized out"));
|
||
return NULL;
|
||
}
|
||
|
||
TRY
|
||
{
|
||
val = value_of_variable (sym, block);
|
||
}
|
||
CATCH (except, RETURN_MASK_ALL)
|
||
{
|
||
GDB_PY_HANDLE_EXCEPTION (except);
|
||
}
|
||
END_CATCH
|
||
|
||
return value_to_value_object (val);
|
||
}
|
||
|
||
static PyObject *
|
||
typy_str (PyObject *self)
|
||
{
|
||
string_file thetype;
|
||
|
||
TRY
|
||
{
|
||
LA_PRINT_TYPE (type_object_to_type (self), "", &thetype, -1, 0,
|
||
&type_print_raw_options);
|
||
}
|
||
CATCH (except, RETURN_MASK_ALL)
|
||
{
|
||
GDB_PY_HANDLE_EXCEPTION (except);
|
||
}
|
||
END_CATCH
|
||
|
||
return PyUnicode_Decode (thetype.c_str (), thetype.size (),
|
||
host_charset (), NULL);
|
||
}
|
||
|
||
/* Implement the richcompare method. */
|
||
|
||
static PyObject *
|
||
typy_richcompare (PyObject *self, PyObject *other, int op)
|
||
{
|
||
bool result = false;
|
||
struct type *type1 = type_object_to_type (self);
|
||
struct type *type2 = type_object_to_type (other);
|
||
|
||
/* We can only compare ourselves to another Type object, and only
|
||
for equality or inequality. */
|
||
if (type2 == NULL || (op != Py_EQ && op != Py_NE))
|
||
{
|
||
Py_INCREF (Py_NotImplemented);
|
||
return Py_NotImplemented;
|
||
}
|
||
|
||
if (type1 == type2)
|
||
result = true;
|
||
else
|
||
{
|
||
TRY
|
||
{
|
||
result = types_deeply_equal (type1, type2);
|
||
}
|
||
CATCH (except, RETURN_MASK_ALL)
|
||
{
|
||
/* If there is a GDB exception, a comparison is not capable
|
||
(or trusted), so exit. */
|
||
GDB_PY_HANDLE_EXCEPTION (except);
|
||
}
|
||
END_CATCH
|
||
}
|
||
|
||
if (op == (result ? Py_EQ : Py_NE))
|
||
Py_RETURN_TRUE;
|
||
Py_RETURN_FALSE;
|
||
}
|
||
|
||
|
||
|
||
static const struct objfile_data *typy_objfile_data_key;
|
||
|
||
static void
|
||
save_objfile_types (struct objfile *objfile, void *datum)
|
||
{
|
||
type_object *obj = (type_object *) datum;
|
||
htab_t copied_types;
|
||
|
||
if (!gdb_python_initialized)
|
||
return;
|
||
|
||
/* This prevents another thread from freeing the objects we're
|
||
operating on. */
|
||
gdbpy_enter enter_py (get_objfile_arch (objfile), current_language);
|
||
|
||
copied_types = create_copied_types_hash (objfile);
|
||
|
||
while (obj)
|
||
{
|
||
type_object *next = obj->next;
|
||
|
||
htab_empty (copied_types);
|
||
|
||
obj->type = copy_type_recursive (objfile, obj->type, copied_types);
|
||
|
||
obj->next = NULL;
|
||
obj->prev = NULL;
|
||
|
||
obj = next;
|
||
}
|
||
|
||
htab_delete (copied_types);
|
||
}
|
||
|
||
static void
|
||
set_type (type_object *obj, struct type *type)
|
||
{
|
||
obj->type = type;
|
||
obj->prev = NULL;
|
||
if (type && TYPE_OBJFILE (type))
|
||
{
|
||
struct objfile *objfile = TYPE_OBJFILE (type);
|
||
|
||
obj->next = ((struct pyty_type_object *)
|
||
objfile_data (objfile, typy_objfile_data_key));
|
||
if (obj->next)
|
||
obj->next->prev = obj;
|
||
set_objfile_data (objfile, typy_objfile_data_key, obj);
|
||
}
|
||
else
|
||
obj->next = NULL;
|
||
}
|
||
|
||
static void
|
||
typy_dealloc (PyObject *obj)
|
||
{
|
||
type_object *type = (type_object *) obj;
|
||
|
||
if (type->prev)
|
||
type->prev->next = type->next;
|
||
else if (type->type && TYPE_OBJFILE (type->type))
|
||
{
|
||
/* Must reset head of list. */
|
||
struct objfile *objfile = TYPE_OBJFILE (type->type);
|
||
|
||
if (objfile)
|
||
set_objfile_data (objfile, typy_objfile_data_key, type->next);
|
||
}
|
||
if (type->next)
|
||
type->next->prev = type->prev;
|
||
|
||
Py_TYPE (type)->tp_free (type);
|
||
}
|
||
|
||
/* Return number of fields ("length" of the field dictionary). */
|
||
|
||
static Py_ssize_t
|
||
typy_length (PyObject *self)
|
||
{
|
||
struct type *type = ((type_object *) self)->type;
|
||
|
||
type = typy_get_composite (type);
|
||
if (type == NULL)
|
||
return -1;
|
||
|
||
return TYPE_NFIELDS (type);
|
||
}
|
||
|
||
/* Implements boolean evaluation of gdb.Type. Handle this like other
|
||
Python objects that don't have a meaningful truth value -- all
|
||
values are true. */
|
||
|
||
static int
|
||
typy_nonzero (PyObject *self)
|
||
{
|
||
return 1;
|
||
}
|
||
|
||
/* Return optimized out value of this type. */
|
||
|
||
static PyObject *
|
||
typy_optimized_out (PyObject *self, PyObject *args)
|
||
{
|
||
struct type *type = ((type_object *) self)->type;
|
||
|
||
return value_to_value_object (allocate_optimized_out_value (type));
|
||
}
|
||
|
||
/* Return a gdb.Field object for the field named by the argument. */
|
||
|
||
static PyObject *
|
||
typy_getitem (PyObject *self, PyObject *key)
|
||
{
|
||
struct type *type = ((type_object *) self)->type;
|
||
int i;
|
||
|
||
gdb::unique_xmalloc_ptr<char> field = python_string_to_host_string (key);
|
||
if (field == NULL)
|
||
return NULL;
|
||
|
||
/* We want just fields of this type, not of base types, so instead of
|
||
using lookup_struct_elt_type, portions of that function are
|
||
copied here. */
|
||
|
||
type = typy_get_composite (type);
|
||
if (type == NULL)
|
||
return NULL;
|
||
|
||
for (i = 0; i < TYPE_NFIELDS (type); i++)
|
||
{
|
||
const char *t_field_name = TYPE_FIELD_NAME (type, i);
|
||
|
||
if (t_field_name && (strcmp_iw (t_field_name, field.get ()) == 0))
|
||
return convert_field (type, i).release ();
|
||
}
|
||
PyErr_SetObject (PyExc_KeyError, key);
|
||
return NULL;
|
||
}
|
||
|
||
/* Implement the "get" method on the type object. This is the
|
||
same as getitem if the key is present, but returns the supplied
|
||
default value or None if the key is not found. */
|
||
|
||
static PyObject *
|
||
typy_get (PyObject *self, PyObject *args)
|
||
{
|
||
PyObject *key, *defval = Py_None, *result;
|
||
|
||
if (!PyArg_UnpackTuple (args, "get", 1, 2, &key, &defval))
|
||
return NULL;
|
||
|
||
result = typy_getitem (self, key);
|
||
if (result != NULL)
|
||
return result;
|
||
|
||
/* typy_getitem returned error status. If the exception is
|
||
KeyError, clear the exception status and return the defval
|
||
instead. Otherwise return the exception unchanged. */
|
||
if (!PyErr_ExceptionMatches (PyExc_KeyError))
|
||
return NULL;
|
||
|
||
PyErr_Clear ();
|
||
Py_INCREF (defval);
|
||
return defval;
|
||
}
|
||
|
||
/* Implement the "has_key" method on the type object. */
|
||
|
||
static PyObject *
|
||
typy_has_key (PyObject *self, PyObject *args)
|
||
{
|
||
struct type *type = ((type_object *) self)->type;
|
||
const char *field;
|
||
int i;
|
||
|
||
if (!PyArg_ParseTuple (args, "s", &field))
|
||
return NULL;
|
||
|
||
/* We want just fields of this type, not of base types, so instead of
|
||
using lookup_struct_elt_type, portions of that function are
|
||
copied here. */
|
||
|
||
type = typy_get_composite (type);
|
||
if (type == NULL)
|
||
return NULL;
|
||
|
||
for (i = 0; i < TYPE_NFIELDS (type); i++)
|
||
{
|
||
const char *t_field_name = TYPE_FIELD_NAME (type, i);
|
||
|
||
if (t_field_name && (strcmp_iw (t_field_name, field) == 0))
|
||
Py_RETURN_TRUE;
|
||
}
|
||
Py_RETURN_FALSE;
|
||
}
|
||
|
||
/* Make an iterator object to iterate over keys, values, or items. */
|
||
|
||
static PyObject *
|
||
typy_make_iter (PyObject *self, enum gdbpy_iter_kind kind)
|
||
{
|
||
typy_iterator_object *typy_iter_obj;
|
||
|
||
/* Check that "self" is a structure or union type. */
|
||
if (typy_get_composite (((type_object *) self)->type) == NULL)
|
||
return NULL;
|
||
|
||
typy_iter_obj = PyObject_New (typy_iterator_object,
|
||
&type_iterator_object_type);
|
||
if (typy_iter_obj == NULL)
|
||
return NULL;
|
||
|
||
typy_iter_obj->field = 0;
|
||
typy_iter_obj->kind = kind;
|
||
Py_INCREF (self);
|
||
typy_iter_obj->source = (type_object *) self;
|
||
|
||
return (PyObject *) typy_iter_obj;
|
||
}
|
||
|
||
/* iteritems() method. */
|
||
|
||
static PyObject *
|
||
typy_iteritems (PyObject *self, PyObject *args)
|
||
{
|
||
return typy_make_iter (self, iter_items);
|
||
}
|
||
|
||
/* iterkeys() method. */
|
||
|
||
static PyObject *
|
||
typy_iterkeys (PyObject *self, PyObject *args)
|
||
{
|
||
return typy_make_iter (self, iter_keys);
|
||
}
|
||
|
||
/* Iterating over the class, same as iterkeys except for the function
|
||
signature. */
|
||
|
||
static PyObject *
|
||
typy_iter (PyObject *self)
|
||
{
|
||
return typy_make_iter (self, iter_keys);
|
||
}
|
||
|
||
/* itervalues() method. */
|
||
|
||
static PyObject *
|
||
typy_itervalues (PyObject *self, PyObject *args)
|
||
{
|
||
return typy_make_iter (self, iter_values);
|
||
}
|
||
|
||
/* Return a reference to the type iterator. */
|
||
|
||
static PyObject *
|
||
typy_iterator_iter (PyObject *self)
|
||
{
|
||
Py_INCREF (self);
|
||
return self;
|
||
}
|
||
|
||
/* Return the next field in the iteration through the list of fields
|
||
of the type. */
|
||
|
||
static PyObject *
|
||
typy_iterator_iternext (PyObject *self)
|
||
{
|
||
typy_iterator_object *iter_obj = (typy_iterator_object *) self;
|
||
struct type *type = iter_obj->source->type;
|
||
|
||
if (iter_obj->field < TYPE_NFIELDS (type))
|
||
{
|
||
gdbpy_ref<> result = make_fielditem (type, iter_obj->field,
|
||
iter_obj->kind);
|
||
if (result != NULL)
|
||
iter_obj->field++;
|
||
return result.release ();
|
||
}
|
||
|
||
return NULL;
|
||
}
|
||
|
||
static void
|
||
typy_iterator_dealloc (PyObject *obj)
|
||
{
|
||
typy_iterator_object *iter_obj = (typy_iterator_object *) obj;
|
||
|
||
Py_DECREF (iter_obj->source);
|
||
}
|
||
|
||
/* Create a new Type referring to TYPE. */
|
||
PyObject *
|
||
type_to_type_object (struct type *type)
|
||
{
|
||
type_object *type_obj;
|
||
|
||
type_obj = PyObject_New (type_object, &type_object_type);
|
||
if (type_obj)
|
||
set_type (type_obj, type);
|
||
|
||
return (PyObject *) type_obj;
|
||
}
|
||
|
||
struct type *
|
||
type_object_to_type (PyObject *obj)
|
||
{
|
||
if (! PyObject_TypeCheck (obj, &type_object_type))
|
||
return NULL;
|
||
return ((type_object *) obj)->type;
|
||
}
|
||
|
||
|
||
|
||
/* Implementation of gdb.lookup_type. */
|
||
PyObject *
|
||
gdbpy_lookup_type (PyObject *self, PyObject *args, PyObject *kw)
|
||
{
|
||
static const char *keywords[] = { "name", "block", NULL };
|
||
const char *type_name = NULL;
|
||
struct type *type = NULL;
|
||
PyObject *block_obj = NULL;
|
||
const struct block *block = NULL;
|
||
|
||
if (!gdb_PyArg_ParseTupleAndKeywords (args, kw, "s|O", keywords,
|
||
&type_name, &block_obj))
|
||
return NULL;
|
||
|
||
if (block_obj)
|
||
{
|
||
block = block_object_to_block (block_obj);
|
||
if (! block)
|
||
{
|
||
PyErr_SetString (PyExc_RuntimeError,
|
||
_("'block' argument must be a Block."));
|
||
return NULL;
|
||
}
|
||
}
|
||
|
||
type = typy_lookup_typename (type_name, block);
|
||
if (! type)
|
||
return NULL;
|
||
|
||
return type_to_type_object (type);
|
||
}
|
||
|
||
int
|
||
gdbpy_initialize_types (void)
|
||
{
|
||
int i;
|
||
|
||
typy_objfile_data_key
|
||
= register_objfile_data_with_cleanup (save_objfile_types, NULL);
|
||
|
||
if (PyType_Ready (&type_object_type) < 0)
|
||
return -1;
|
||
if (PyType_Ready (&field_object_type) < 0)
|
||
return -1;
|
||
if (PyType_Ready (&type_iterator_object_type) < 0)
|
||
return -1;
|
||
|
||
for (i = 0; pyty_codes[i].name; ++i)
|
||
{
|
||
if (PyModule_AddIntConstant (gdb_module, pyty_codes[i].name,
|
||
pyty_codes[i].code) < 0)
|
||
return -1;
|
||
}
|
||
|
||
if (gdb_pymodule_addobject (gdb_module, "Type",
|
||
(PyObject *) &type_object_type) < 0)
|
||
return -1;
|
||
|
||
if (gdb_pymodule_addobject (gdb_module, "TypeIterator",
|
||
(PyObject *) &type_iterator_object_type) < 0)
|
||
return -1;
|
||
|
||
return gdb_pymodule_addobject (gdb_module, "Field",
|
||
(PyObject *) &field_object_type);
|
||
}
|
||
|
||
|
||
|
||
static gdb_PyGetSetDef type_object_getset[] =
|
||
{
|
||
{ "alignof", typy_get_alignof, NULL,
|
||
"The alignment of this type, in bytes.", NULL },
|
||
{ "code", typy_get_code, NULL,
|
||
"The code for this type.", NULL },
|
||
{ "name", typy_get_name, NULL,
|
||
"The name for this type, or None.", NULL },
|
||
{ "sizeof", typy_get_sizeof, NULL,
|
||
"The size of this type, in bytes.", NULL },
|
||
{ "tag", typy_get_tag, NULL,
|
||
"The tag name for this type, or None.", NULL },
|
||
{ NULL }
|
||
};
|
||
|
||
static PyMethodDef type_object_methods[] =
|
||
{
|
||
{ "array", typy_array, METH_VARARGS,
|
||
"array ([LOW_BOUND,] HIGH_BOUND) -> Type\n\
|
||
Return a type which represents an array of objects of this type.\n\
|
||
The bounds of the array are [LOW_BOUND, HIGH_BOUND] inclusive.\n\
|
||
If LOW_BOUND is omitted, a value of zero is used." },
|
||
{ "vector", typy_vector, METH_VARARGS,
|
||
"vector ([LOW_BOUND,] HIGH_BOUND) -> Type\n\
|
||
Return a type which represents a vector of objects of this type.\n\
|
||
The bounds of the array are [LOW_BOUND, HIGH_BOUND] inclusive.\n\
|
||
If LOW_BOUND is omitted, a value of zero is used.\n\
|
||
Vectors differ from arrays in that if the current language has C-style\n\
|
||
arrays, vectors don't decay to a pointer to the first element.\n\
|
||
They are first class values." },
|
||
{ "__contains__", typy_has_key, METH_VARARGS,
|
||
"T.__contains__(k) -> True if T has a field named k, else False" },
|
||
{ "const", typy_const, METH_NOARGS,
|
||
"const () -> Type\n\
|
||
Return a const variant of this type." },
|
||
{ "optimized_out", typy_optimized_out, METH_NOARGS,
|
||
"optimized_out() -> Value\n\
|
||
Return optimized out value of this type." },
|
||
{ "fields", typy_fields, METH_NOARGS,
|
||
"fields () -> list\n\
|
||
Return a list holding all the fields of this type.\n\
|
||
Each field is a gdb.Field object." },
|
||
{ "get", typy_get, METH_VARARGS,
|
||
"T.get(k[,default]) -> returns field named k in T, if it exists;\n\
|
||
otherwise returns default, if supplied, or None if not." },
|
||
{ "has_key", typy_has_key, METH_VARARGS,
|
||
"T.has_key(k) -> True if T has a field named k, else False" },
|
||
{ "items", typy_items, METH_NOARGS,
|
||
"items () -> list\n\
|
||
Return a list of (name, field) pairs of this type.\n\
|
||
Each field is a gdb.Field object." },
|
||
{ "iteritems", typy_iteritems, METH_NOARGS,
|
||
"iteritems () -> an iterator over the (name, field)\n\
|
||
pairs of this type. Each field is a gdb.Field object." },
|
||
{ "iterkeys", typy_iterkeys, METH_NOARGS,
|
||
"iterkeys () -> an iterator over the field names of this type." },
|
||
{ "itervalues", typy_itervalues, METH_NOARGS,
|
||
"itervalues () -> an iterator over the fields of this type.\n\
|
||
Each field is a gdb.Field object." },
|
||
{ "keys", typy_field_names, METH_NOARGS,
|
||
"keys () -> list\n\
|
||
Return a list holding all the fields names of this type." },
|
||
{ "pointer", typy_pointer, METH_NOARGS,
|
||
"pointer () -> Type\n\
|
||
Return a type of pointer to this type." },
|
||
{ "range", typy_range, METH_NOARGS,
|
||
"range () -> tuple\n\
|
||
Return a tuple containing the lower and upper range for this type."},
|
||
{ "reference", typy_reference, METH_NOARGS,
|
||
"reference () -> Type\n\
|
||
Return a type of reference to this type." },
|
||
{ "strip_typedefs", typy_strip_typedefs, METH_NOARGS,
|
||
"strip_typedefs () -> Type\n\
|
||
Return a type formed by stripping this type of all typedefs."},
|
||
{ "target", typy_target, METH_NOARGS,
|
||
"target () -> Type\n\
|
||
Return the target type of this type." },
|
||
{ "template_argument", typy_template_argument, METH_VARARGS,
|
||
"template_argument (arg, [block]) -> Type\n\
|
||
Return the type of a template argument." },
|
||
{ "unqualified", typy_unqualified, METH_NOARGS,
|
||
"unqualified () -> Type\n\
|
||
Return a variant of this type without const or volatile attributes." },
|
||
{ "values", typy_values, METH_NOARGS,
|
||
"values () -> list\n\
|
||
Return a list holding all the fields of this type.\n\
|
||
Each field is a gdb.Field object." },
|
||
{ "volatile", typy_volatile, METH_NOARGS,
|
||
"volatile () -> Type\n\
|
||
Return a volatile variant of this type" },
|
||
{ NULL }
|
||
};
|
||
|
||
static PyNumberMethods type_object_as_number = {
|
||
NULL, /* nb_add */
|
||
NULL, /* nb_subtract */
|
||
NULL, /* nb_multiply */
|
||
#ifndef IS_PY3K
|
||
NULL, /* nb_divide */
|
||
#endif
|
||
NULL, /* nb_remainder */
|
||
NULL, /* nb_divmod */
|
||
NULL, /* nb_power */
|
||
NULL, /* nb_negative */
|
||
NULL, /* nb_positive */
|
||
NULL, /* nb_absolute */
|
||
typy_nonzero, /* nb_nonzero */
|
||
NULL, /* nb_invert */
|
||
NULL, /* nb_lshift */
|
||
NULL, /* nb_rshift */
|
||
NULL, /* nb_and */
|
||
NULL, /* nb_xor */
|
||
NULL, /* nb_or */
|
||
#ifdef IS_PY3K
|
||
NULL, /* nb_int */
|
||
NULL, /* reserved */
|
||
#else
|
||
NULL, /* nb_coerce */
|
||
NULL, /* nb_int */
|
||
NULL, /* nb_long */
|
||
#endif
|
||
NULL, /* nb_float */
|
||
#ifndef IS_PY3K
|
||
NULL, /* nb_oct */
|
||
NULL /* nb_hex */
|
||
#endif
|
||
};
|
||
|
||
static PyMappingMethods typy_mapping = {
|
||
typy_length,
|
||
typy_getitem,
|
||
NULL /* no "set" method */
|
||
};
|
||
|
||
PyTypeObject type_object_type =
|
||
{
|
||
PyVarObject_HEAD_INIT (NULL, 0)
|
||
"gdb.Type", /*tp_name*/
|
||
sizeof (type_object), /*tp_basicsize*/
|
||
0, /*tp_itemsize*/
|
||
typy_dealloc, /*tp_dealloc*/
|
||
0, /*tp_print*/
|
||
0, /*tp_getattr*/
|
||
0, /*tp_setattr*/
|
||
0, /*tp_compare*/
|
||
0, /*tp_repr*/
|
||
&type_object_as_number, /*tp_as_number*/
|
||
0, /*tp_as_sequence*/
|
||
&typy_mapping, /*tp_as_mapping*/
|
||
0, /*tp_hash */
|
||
0, /*tp_call*/
|
||
typy_str, /*tp_str*/
|
||
0, /*tp_getattro*/
|
||
0, /*tp_setattro*/
|
||
0, /*tp_as_buffer*/
|
||
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_ITER, /*tp_flags*/
|
||
"GDB type object", /* tp_doc */
|
||
0, /* tp_traverse */
|
||
0, /* tp_clear */
|
||
typy_richcompare, /* tp_richcompare */
|
||
0, /* tp_weaklistoffset */
|
||
typy_iter, /* tp_iter */
|
||
0, /* tp_iternext */
|
||
type_object_methods, /* tp_methods */
|
||
0, /* tp_members */
|
||
type_object_getset, /* tp_getset */
|
||
0, /* tp_base */
|
||
0, /* tp_dict */
|
||
0, /* tp_descr_get */
|
||
0, /* tp_descr_set */
|
||
0, /* tp_dictoffset */
|
||
0, /* tp_init */
|
||
0, /* tp_alloc */
|
||
0, /* tp_new */
|
||
};
|
||
|
||
static gdb_PyGetSetDef field_object_getset[] =
|
||
{
|
||
{ "__dict__", gdb_py_generic_dict, NULL,
|
||
"The __dict__ for this field.", &field_object_type },
|
||
{ NULL }
|
||
};
|
||
|
||
PyTypeObject field_object_type =
|
||
{
|
||
PyVarObject_HEAD_INIT (NULL, 0)
|
||
"gdb.Field", /*tp_name*/
|
||
sizeof (field_object), /*tp_basicsize*/
|
||
0, /*tp_itemsize*/
|
||
field_dealloc, /*tp_dealloc*/
|
||
0, /*tp_print*/
|
||
0, /*tp_getattr*/
|
||
0, /*tp_setattr*/
|
||
0, /*tp_compare*/
|
||
0, /*tp_repr*/
|
||
0, /*tp_as_number*/
|
||
0, /*tp_as_sequence*/
|
||
0, /*tp_as_mapping*/
|
||
0, /*tp_hash */
|
||
0, /*tp_call*/
|
||
0, /*tp_str*/
|
||
0, /*tp_getattro*/
|
||
0, /*tp_setattro*/
|
||
0, /*tp_as_buffer*/
|
||
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_ITER, /*tp_flags*/
|
||
"GDB field object", /* tp_doc */
|
||
0, /* tp_traverse */
|
||
0, /* tp_clear */
|
||
0, /* tp_richcompare */
|
||
0, /* tp_weaklistoffset */
|
||
0, /* tp_iter */
|
||
0, /* tp_iternext */
|
||
0, /* tp_methods */
|
||
0, /* tp_members */
|
||
field_object_getset, /* tp_getset */
|
||
0, /* tp_base */
|
||
0, /* tp_dict */
|
||
0, /* tp_descr_get */
|
||
0, /* tp_descr_set */
|
||
offsetof (field_object, dict), /* tp_dictoffset */
|
||
0, /* tp_init */
|
||
0, /* tp_alloc */
|
||
0, /* tp_new */
|
||
};
|
||
|
||
PyTypeObject type_iterator_object_type = {
|
||
PyVarObject_HEAD_INIT (NULL, 0)
|
||
"gdb.TypeIterator", /*tp_name*/
|
||
sizeof (typy_iterator_object), /*tp_basicsize*/
|
||
0, /*tp_itemsize*/
|
||
typy_iterator_dealloc, /*tp_dealloc*/
|
||
0, /*tp_print*/
|
||
0, /*tp_getattr*/
|
||
0, /*tp_setattr*/
|
||
0, /*tp_compare*/
|
||
0, /*tp_repr*/
|
||
0, /*tp_as_number*/
|
||
0, /*tp_as_sequence*/
|
||
0, /*tp_as_mapping*/
|
||
0, /*tp_hash */
|
||
0, /*tp_call*/
|
||
0, /*tp_str*/
|
||
0, /*tp_getattro*/
|
||
0, /*tp_setattro*/
|
||
0, /*tp_as_buffer*/
|
||
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_ITER, /*tp_flags*/
|
||
"GDB type iterator object", /*tp_doc */
|
||
0, /*tp_traverse */
|
||
0, /*tp_clear */
|
||
0, /*tp_richcompare */
|
||
0, /*tp_weaklistoffset */
|
||
typy_iterator_iter, /*tp_iter */
|
||
typy_iterator_iternext, /*tp_iternext */
|
||
0 /*tp_methods */
|
||
};
|