702c271136
PR python/11915: * python/py-type.c (typy_array): New function. (type_object_methods): Add "array". gdb/doc PR python/11915: * gdb.texinfo (Types In Python): Document array method. gdb/testsuite PR python/11915: * gdb.python/py-type.exp (test_fields): Add tests for array.
1008 lines
24 KiB
C
1008 lines
24 KiB
C
/* Python interface to types.
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Copyright (C) 2008, 2009, 2010 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 "exceptions.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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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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static PyTypeObject type_object_type;
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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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static PyTypeObject field_object_type;
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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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#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_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_BITSTRING),
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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_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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f->ob_type->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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field_object *result = PyObject_New (field_object, &field_object_type);
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if (result)
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{
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result->dict = PyDict_New ();
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if (!result->dict)
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{
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Py_DECREF (result);
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result = NULL;
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}
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}
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return (PyObject *) result;
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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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dictionary. Returns NULL on error. */
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static PyObject *
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convert_field (struct type *type, int field)
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{
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PyObject *result = field_new ();
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PyObject *arg;
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if (!result)
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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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arg = PyLong_FromLong (TYPE_FIELD_BITPOS (type, field));
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if (!arg)
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goto fail;
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if (PyObject_SetAttrString (result, "bitpos", arg) < 0)
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goto failarg;
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}
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if (TYPE_FIELD_NAME (type, field))
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arg = PyString_FromString (TYPE_FIELD_NAME (type, field));
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else
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{
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arg = Py_None;
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Py_INCREF (arg);
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}
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if (!arg)
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goto fail;
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if (PyObject_SetAttrString (result, "name", arg) < 0)
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goto failarg;
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arg = TYPE_FIELD_ARTIFICIAL (type, field) ? Py_True : Py_False;
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Py_INCREF (arg);
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if (PyObject_SetAttrString (result, "artificial", arg) < 0)
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goto failarg;
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if (TYPE_CODE (type) == TYPE_CODE_CLASS)
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arg = field < TYPE_N_BASECLASSES (type) ? Py_True : Py_False;
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else
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arg = Py_False;
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Py_INCREF (arg);
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if (PyObject_SetAttrString (result, "is_base_class", arg) < 0)
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goto failarg;
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arg = PyLong_FromLong (TYPE_FIELD_BITSIZE (type, field));
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if (!arg)
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goto fail;
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if (PyObject_SetAttrString (result, "bitsize", arg) < 0)
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goto failarg;
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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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{
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arg = Py_None;
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Py_INCREF (arg);
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}
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else
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arg = type_to_type_object (TYPE_FIELD_TYPE (type, field));
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if (!arg)
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goto fail;
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if (PyObject_SetAttrString (result, "type", arg) < 0)
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goto failarg;
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return result;
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failarg:
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Py_DECREF (arg);
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fail:
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Py_DECREF (result);
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return NULL;
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}
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/* Return a sequence of all fields. Each field is a dictionary with
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some pre-defined keys. */
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static PyObject *
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typy_fields (PyObject *self, PyObject *args)
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{
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PyObject *result;
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int i;
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struct type *type = ((type_object *) self)->type;
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/* We would like to make a tuple here, make fields immutable, and
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then memoize the result (and perhaps make Field.type() lazy).
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However, that can lead to cycles. */
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result = PyList_New (0);
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for (i = 0; i < TYPE_NFIELDS (type); ++i)
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{
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PyObject *dict = convert_field (type, i);
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if (!dict)
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{
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Py_DECREF (result);
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return NULL;
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}
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if (PyList_Append (result, dict))
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{
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Py_DECREF (dict);
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Py_DECREF (result);
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return NULL;
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}
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}
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return result;
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}
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/* Return the type's tag, or None. */
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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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if (!TYPE_TAG_NAME (type))
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Py_RETURN_NONE;
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return PyString_FromString (TYPE_TAG_NAME (type));
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}
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/* Return the type, stripped of typedefs. */
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static PyObject *
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typy_strip_typedefs (PyObject *self, PyObject *args)
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{
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struct type *type = ((type_object *) self)->type;
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return type_to_type_object (check_typedef (type));
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}
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/* Return an array type. */
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static PyObject *
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typy_array (PyObject *self, PyObject *args)
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{
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int n1, n2;
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PyObject *n2_obj = NULL;
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struct type *array = NULL;
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struct type *type = ((type_object *) self)->type;
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volatile struct gdb_exception except;
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if (! PyArg_ParseTuple (args, "i|O", &n1, &n2_obj))
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return NULL;
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if (n2_obj)
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{
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if (!PyInt_Check (n2_obj))
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{
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PyErr_SetString (PyExc_RuntimeError,
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_("Array bound must be an integer"));
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return NULL;
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}
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n2 = (int) PyInt_AsLong (n2_obj);
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if (PyErr_Occurred ())
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return NULL;
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}
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else
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{
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n2 = n1;
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n1 = 0;
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}
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if (n2 < n1)
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{
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PyErr_SetString (PyExc_ValueError,
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_("Array length must not be negative"));
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return NULL;
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}
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TRY_CATCH (except, RETURN_MASK_ALL)
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{
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array = lookup_array_range_type (type, n1, n2);
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}
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GDB_PY_HANDLE_EXCEPTION (except);
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return type_to_type_object (array);
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}
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/* Return a Type object which represents a pointer to SELF. */
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static PyObject *
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typy_pointer (PyObject *self, PyObject *args)
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{
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struct type *type = ((type_object *) self)->type;
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volatile struct gdb_exception except;
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TRY_CATCH (except, RETURN_MASK_ALL)
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{
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type = lookup_pointer_type (type);
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}
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GDB_PY_HANDLE_EXCEPTION (except);
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return type_to_type_object (type);
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}
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/* Return the range of a type represented by SELF. The return type is
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a tuple. The first element of the tuple contains the low bound,
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while the second element of the tuple contains the high bound. */
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static PyObject *
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typy_range (PyObject *self, PyObject *args)
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{
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struct type *type = ((type_object *) self)->type;
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PyObject *result;
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PyObject *low_bound = NULL, *high_bound = NULL;
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/* Initialize these to appease GCC warnings. */
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LONGEST low = 0, high = 0;
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if (TYPE_CODE (type) != TYPE_CODE_ARRAY
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&& TYPE_CODE (type) != TYPE_CODE_STRING
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&& TYPE_CODE (type) != TYPE_CODE_RANGE)
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{
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PyErr_SetString (PyExc_RuntimeError,
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_("This type does not have a range."));
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return NULL;
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}
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switch (TYPE_CODE (type))
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{
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case TYPE_CODE_ARRAY:
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case TYPE_CODE_STRING:
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low = TYPE_LOW_BOUND (TYPE_INDEX_TYPE (type));
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high = TYPE_HIGH_BOUND (TYPE_INDEX_TYPE (type));
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break;
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case TYPE_CODE_RANGE:
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low = TYPE_LOW_BOUND (type);
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high = TYPE_HIGH_BOUND (type);
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break;
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}
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low_bound = PyLong_FromLong (low);
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if (!low_bound)
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goto failarg;
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high_bound = PyLong_FromLong (high);
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if (!high_bound)
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goto failarg;
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result = PyTuple_New (2);
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if (!result)
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goto failarg;
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if (PyTuple_SetItem (result, 0, low_bound) != 0)
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{
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Py_DECREF (result);
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goto failarg;
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}
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if (PyTuple_SetItem (result, 1, high_bound) != 0)
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{
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Py_DECREF (high_bound);
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Py_DECREF (result);
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return NULL;
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}
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return result;
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failarg:
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Py_XDECREF (high_bound);
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Py_XDECREF (low_bound);
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return NULL;
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}
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/* Return a Type object which represents a reference to SELF. */
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static PyObject *
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typy_reference (PyObject *self, PyObject *args)
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{
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struct type *type = ((type_object *) self)->type;
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volatile struct gdb_exception except;
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TRY_CATCH (except, RETURN_MASK_ALL)
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{
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type = lookup_reference_type (type);
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}
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GDB_PY_HANDLE_EXCEPTION (except);
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return type_to_type_object (type);
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}
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/* Return a Type object which represents the target type of SELF. */
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static PyObject *
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typy_target (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_TARGET_TYPE (type))
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{
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PyErr_SetString (PyExc_RuntimeError,
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_("Type does not have a target."));
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return NULL;
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}
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return type_to_type_object (TYPE_TARGET_TYPE (type));
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}
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/* Return a const-qualified type variant. */
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static PyObject *
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typy_const (PyObject *self, PyObject *args)
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{
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struct type *type = ((type_object *) self)->type;
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volatile struct gdb_exception except;
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TRY_CATCH (except, RETURN_MASK_ALL)
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{
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type = make_cv_type (1, 0, type, NULL);
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}
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GDB_PY_HANDLE_EXCEPTION (except);
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return type_to_type_object (type);
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}
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/* Return a volatile-qualified type variant. */
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static PyObject *
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typy_volatile (PyObject *self, PyObject *args)
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{
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struct type *type = ((type_object *) self)->type;
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volatile struct gdb_exception except;
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TRY_CATCH (except, RETURN_MASK_ALL)
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{
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type = make_cv_type (0, 1, type, NULL);
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}
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GDB_PY_HANDLE_EXCEPTION (except);
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return type_to_type_object (type);
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}
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/* Return an unqualified type variant. */
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static PyObject *
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typy_unqualified (PyObject *self, PyObject *args)
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{
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struct type *type = ((type_object *) self)->type;
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volatile struct gdb_exception except;
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TRY_CATCH (except, RETURN_MASK_ALL)
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{
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type = make_cv_type (0, 0, type, NULL);
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}
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GDB_PY_HANDLE_EXCEPTION (except);
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return type_to_type_object (type);
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}
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/* Return the size of the type represented by SELF, in bytes. */
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static PyObject *
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typy_get_sizeof (PyObject *self, void *closure)
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{
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struct type *type = ((type_object *) self)->type;
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volatile struct gdb_exception except;
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TRY_CATCH (except, RETURN_MASK_ALL)
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{
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check_typedef (type);
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}
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/* Ignore exceptions. */
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return PyLong_FromLong (TYPE_LENGTH (type));
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}
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|
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static struct type *
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typy_lookup_typename (char *type_name, struct block *block)
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{
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struct type *type = NULL;
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volatile struct gdb_exception except;
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TRY_CATCH (except, RETURN_MASK_ALL)
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{
|
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if (!strncmp (type_name, "struct ", 7))
|
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type = lookup_struct (type_name + 7, NULL);
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else if (!strncmp (type_name, "union ", 6))
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type = lookup_union (type_name + 6, NULL);
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else if (!strncmp (type_name, "enum ", 5))
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type = lookup_enum (type_name + 5, NULL);
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else
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type = lookup_typename (python_language, python_gdbarch,
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type_name, block, 0);
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}
|
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if (except.reason < 0)
|
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{
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PyErr_Format (except.reason == RETURN_QUIT
|
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? PyExc_KeyboardInterrupt : PyExc_RuntimeError,
|
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"%s", except.message);
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return NULL;
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}
|
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return type;
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}
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|
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static struct type *
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typy_lookup_type (struct demangle_component *demangled,
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struct block *block)
|
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{
|
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struct type *type;
|
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char *type_name;
|
||
enum demangle_component_type demangled_type;
|
||
|
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/* Save the type: typy_lookup_type() may (indirectly) overwrite
|
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memory pointed by demangled. */
|
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demangled_type = demangled->type;
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|
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if (demangled_type == DEMANGLE_COMPONENT_POINTER
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|| demangled_type == DEMANGLE_COMPONENT_REFERENCE
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|| demangled_type == DEMANGLE_COMPONENT_CONST
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|| demangled_type == DEMANGLE_COMPONENT_VOLATILE)
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{
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type = typy_lookup_type (demangled->u.s_binary.left, block);
|
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if (! type)
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return NULL;
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|
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switch (demangled_type)
|
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{
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case DEMANGLE_COMPONENT_REFERENCE:
|
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return lookup_reference_type (type);
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case DEMANGLE_COMPONENT_POINTER:
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return lookup_pointer_type (type);
|
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case DEMANGLE_COMPONENT_CONST:
|
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return make_cv_type (1, 0, type, NULL);
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case DEMANGLE_COMPONENT_VOLATILE:
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return make_cv_type (0, 1, type, NULL);
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}
|
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}
|
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|
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type_name = cp_comp_to_string (demangled, 10);
|
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type = typy_lookup_typename (type_name, block);
|
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xfree (type_name);
|
||
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return type;
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}
|
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|
||
/* 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, struct block *block,
|
||
int argno)
|
||
{
|
||
int i;
|
||
struct demangle_component *demangled;
|
||
const char *err;
|
||
struct type *argtype;
|
||
|
||
if (TYPE_NAME (type) == NULL)
|
||
{
|
||
PyErr_SetString (PyExc_RuntimeError, _("Null type name."));
|
||
return NULL;
|
||
}
|
||
|
||
/* Note -- this is not thread-safe. */
|
||
demangled = cp_demangled_name_to_comp (TYPE_NAME (type), &err);
|
||
if (! demangled)
|
||
{
|
||
PyErr_SetString (PyExc_RuntimeError, err);
|
||
return NULL;
|
||
}
|
||
|
||
/* 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;
|
||
struct block *block = NULL;
|
||
PyObject *block_obj = NULL;
|
||
struct symbol *sym;
|
||
struct value *val = NULL;
|
||
volatile struct gdb_exception except;
|
||
|
||
if (! PyArg_ParseTuple (args, "i|O", &argno, &block_obj))
|
||
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;
|
||
}
|
||
}
|
||
|
||
type = check_typedef (type);
|
||
if (TYPE_CODE (type) == TYPE_CODE_REF)
|
||
type = check_typedef (TYPE_TARGET_TYPE (type));
|
||
|
||
/* 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_CATCH (except, RETURN_MASK_ALL)
|
||
{
|
||
val = value_of_variable (sym, block);
|
||
}
|
||
GDB_PY_HANDLE_EXCEPTION (except);
|
||
|
||
return value_to_value_object (val);
|
||
}
|
||
|
||
static PyObject *
|
||
typy_str (PyObject *self)
|
||
{
|
||
volatile struct gdb_exception except;
|
||
char *thetype = NULL;
|
||
long length = 0;
|
||
PyObject *result;
|
||
|
||
TRY_CATCH (except, RETURN_MASK_ALL)
|
||
{
|
||
struct cleanup *old_chain;
|
||
struct ui_file *stb;
|
||
|
||
stb = mem_fileopen ();
|
||
old_chain = make_cleanup_ui_file_delete (stb);
|
||
|
||
type_print (type_object_to_type (self), "", stb, -1);
|
||
|
||
thetype = ui_file_xstrdup (stb, &length);
|
||
do_cleanups (old_chain);
|
||
}
|
||
if (except.reason < 0)
|
||
{
|
||
xfree (thetype);
|
||
GDB_PY_HANDLE_EXCEPTION (except);
|
||
}
|
||
|
||
result = PyUnicode_Decode (thetype, length, host_charset (), NULL);
|
||
xfree (thetype);
|
||
|
||
return result;
|
||
}
|
||
|
||
|
||
|
||
static const struct objfile_data *typy_objfile_data_key;
|
||
|
||
static void
|
||
save_objfile_types (struct objfile *objfile, void *datum)
|
||
{
|
||
type_object *obj = datum;
|
||
htab_t copied_types;
|
||
struct cleanup *cleanup;
|
||
|
||
/* This prevents another thread from freeing the objects we're
|
||
operating on. */
|
||
cleanup = ensure_python_env (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);
|
||
|
||
do_cleanups (cleanup);
|
||
}
|
||
|
||
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 = 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;
|
||
|
||
type->ob_type->tp_free (type);
|
||
}
|
||
|
||
/* 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 char *keywords[] = { "name", "block", NULL };
|
||
char *type_name = NULL;
|
||
struct type *type = NULL;
|
||
PyObject *block_obj = NULL;
|
||
struct block *block = NULL;
|
||
|
||
if (! 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 (PyObject *) type_to_type_object (type);
|
||
}
|
||
|
||
void
|
||
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;
|
||
if (PyType_Ready (&field_object_type) < 0)
|
||
return;
|
||
|
||
for (i = 0; pyty_codes[i].name; ++i)
|
||
{
|
||
if (PyModule_AddIntConstant (gdb_module,
|
||
/* Cast needed for Python 2.4. */
|
||
(char *) pyty_codes[i].name,
|
||
pyty_codes[i].code) < 0)
|
||
return;
|
||
}
|
||
|
||
Py_INCREF (&type_object_type);
|
||
PyModule_AddObject (gdb_module, "Type", (PyObject *) &type_object_type);
|
||
|
||
Py_INCREF (&field_object_type);
|
||
PyModule_AddObject (gdb_module, "Field", (PyObject *) &field_object_type);
|
||
}
|
||
|
||
|
||
|
||
static PyGetSetDef type_object_getset[] =
|
||
{
|
||
{ "code", typy_get_code, NULL,
|
||
"The code for this type.", 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 (N) -> Type\n\
|
||
Return a type which represents an array of N objects of this type." },
|
||
{ "const", typy_const, METH_NOARGS,
|
||
"const () -> Type\n\
|
||
Return a const variant of this type." },
|
||
{ "fields", typy_fields, METH_NOARGS,
|
||
"field () -> list\n\
|
||
Return a sequence holding all the fields of this type.\n\
|
||
Each field is a dictionary." },
|
||
{ "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." },
|
||
{ "volatile", typy_volatile, METH_NOARGS,
|
||
"volatile () -> Type\n\
|
||
Return a volatile variant of this type" },
|
||
{ NULL }
|
||
};
|
||
|
||
static PyTypeObject type_object_type =
|
||
{
|
||
PyObject_HEAD_INIT (NULL)
|
||
0, /*ob_size*/
|
||
"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*/
|
||
0, /*tp_as_number*/
|
||
0, /*tp_as_sequence*/
|
||
0, /*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 */
|
||
0, /* tp_richcompare */
|
||
0, /* tp_weaklistoffset */
|
||
0, /* 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 PyTypeObject field_object_type =
|
||
{
|
||
PyObject_HEAD_INIT (NULL)
|
||
0, /*ob_size*/
|
||
"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 */
|
||
0, /* 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 */
|
||
};
|