/* Python interface to types.
- Copyright (C) 2008-2012 Free Software Foundation, Inc.
+ Copyright (C) 2008-2016 Free Software Foundation, Inc.
This file is part of GDB.
#include "defs.h"
#include "value.h"
-#include "exceptions.h"
#include "python-internal.h"
#include "charset.h"
#include "gdbtypes.h"
#include "objfiles.h"
#include "language.h"
#include "vec.h"
-#include "bcache.h"
-#include "dwarf2loc.h"
+#include "typeprint.h"
typedef struct pyty_type_object
{
struct pyty_type_object *next;
} type_object;
-static PyTypeObject type_object_type;
+extern PyTypeObject type_object_type
+ CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("type_object");
/* A Field object. */
typedef struct pyty_field_object
PyObject *dict;
} field_object;
-static PyTypeObject field_object_type;
+extern PyTypeObject field_object_type
+ CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("field_object");
/* A type iterator object. */
typedef struct {
struct pyty_type_object *source;
} typy_iterator_object;
-static PyTypeObject type_iterator_object_type;
+extern PyTypeObject type_iterator_object_type
+ CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("typy_iterator_object");
/* This is used to initialize various gdb.TYPE_ constants. */
struct pyty_code
static struct pyty_code pyty_codes[] =
{
+ ENTRY (TYPE_CODE_BITSTRING),
ENTRY (TYPE_CODE_PTR),
ENTRY (TYPE_CODE_ARRAY),
ENTRY (TYPE_CODE_STRUCT),
ENTRY (TYPE_CODE_SET),
ENTRY (TYPE_CODE_RANGE),
ENTRY (TYPE_CODE_STRING),
- ENTRY (TYPE_CODE_BITSTRING),
ENTRY (TYPE_CODE_ERROR),
ENTRY (TYPE_CODE_METHOD),
ENTRY (TYPE_CODE_METHODPTR),
field_object *f = (field_object *) obj;
Py_XDECREF (f->dict);
- f->ob_type->tp_free (obj);
+ Py_TYPE (obj)->tp_free (obj);
}
static PyObject *
\f
+/* Return true if OBJ is of type gdb.Field, false otherwise. */
+
+int
+gdbpy_is_field (PyObject *obj)
+{
+ return PyObject_TypeCheck (obj, &field_object_type);
+}
+
/* Return the code for this type. */
static PyObject *
typy_get_code (PyObject *self, void *closure)
if (!result)
return NULL;
+ arg = type_to_type_object (type);
+ if (arg == NULL)
+ goto fail;
+ if (PyObject_SetAttrString (result, "parent_type", arg) < 0)
+ goto failarg;
+ Py_DECREF (arg);
+
if (!field_is_static (&TYPE_FIELD (type, field)))
{
const char *attrstring;
}
else
{
- arg = PyLong_FromLong (TYPE_FIELD_BITPOS (type, field));
+ arg = gdb_py_long_from_longest (TYPE_FIELD_BITPOS (type, field));
attrstring = "bitpos";
}
/* At least python-2.4 had the second parameter non-const. */
if (PyObject_SetAttrString (result, (char *) attrstring, arg) < 0)
goto failarg;
+ Py_DECREF (arg);
}
+ arg = NULL;
if (TYPE_FIELD_NAME (type, field))
- arg = PyString_FromString (TYPE_FIELD_NAME (type, field));
- else
+ {
+ const char *field_name = TYPE_FIELD_NAME (type, field);
+
+ if (field_name[0] != '\0')
+ {
+ arg = PyString_FromString (TYPE_FIELD_NAME (type, field));
+ if (arg == NULL)
+ goto fail;
+ }
+ }
+ if (arg == NULL)
{
arg = Py_None;
Py_INCREF (arg);
}
- if (!arg)
- goto fail;
if (PyObject_SetAttrString (result, "name", arg) < 0)
goto failarg;
+ Py_DECREF (arg);
arg = TYPE_FIELD_ARTIFICIAL (type, field) ? Py_True : Py_False;
Py_INCREF (arg);
if (PyObject_SetAttrString (result, "artificial", arg) < 0)
goto failarg;
+ Py_DECREF (arg);
- if (TYPE_CODE (type) == TYPE_CODE_CLASS)
+ if (TYPE_CODE (type) == TYPE_CODE_STRUCT)
arg = field < TYPE_N_BASECLASSES (type) ? Py_True : Py_False;
else
arg = Py_False;
Py_INCREF (arg);
if (PyObject_SetAttrString (result, "is_base_class", arg) < 0)
goto failarg;
+ Py_DECREF (arg);
arg = PyLong_FromLong (TYPE_FIELD_BITSIZE (type, field));
if (!arg)
goto fail;
if (PyObject_SetAttrString (result, "bitsize", arg) < 0)
goto failarg;
+ Py_DECREF (arg);
/* A field can have a NULL type in some situations. */
if (TYPE_FIELD_TYPE (type, field) == NULL)
goto fail;
if (PyObject_SetAttrString (result, "type", arg) < 0)
goto failarg;
+ Py_DECREF (arg);
return result;
case iter_values:
item = convert_field (type, i);
break;
+ default:
+ gdb_assert_not_reached ("invalid gdbpy_iter_kind");
}
return item;
-
+
fail:
Py_XDECREF (key);
Py_XDECREF (value);
{
PyObject *py_type = self;
PyObject *result = NULL, *iter = NULL;
- volatile struct gdb_exception except;
struct type *type = ((type_object *) py_type)->type;
struct type *checked_type = type;
- TRY_CATCH (except, RETURN_MASK_ALL)
+ TRY
+ {
+ checked_type = check_typedef (checked_type);
+ }
+ CATCH (except, RETURN_MASK_ALL)
{
- CHECK_TYPEDEF (checked_type);
+ GDB_PY_HANDLE_EXCEPTION (except);
}
- GDB_PY_HANDLE_EXCEPTION (except);
+ END_CATCH
if (checked_type != type)
py_type = type_to_type_object (checked_type);
}
/* Return a sequence of all fields. Each field is a gdb.Field object.
- This method is similar to typy_values, except where the supplied
+ This method is similar to typy_values, except where the supplied
gdb.Type is an array, in which case it returns a list of one entry
which is a gdb.Field object for a range (the array bounds). */
{
struct type *type = ((type_object *) self)->type;
PyObject *r, *rl;
-
+
if (TYPE_CODE (type) != TYPE_CODE_ARRAY)
return typy_fields_items (self, iter_values);
r = convert_field (type, 0);
if (r == NULL)
return NULL;
-
+
rl = Py_BuildValue ("[O]", r);
- if (rl == NULL)
- {
- Py_DECREF (r);
- }
+ Py_DECREF (r);
return rl;
}
return typy_fields_items (self, iter_keys);
}
-/* Return a sequence of all (name, fields) pairs. Each field is a
+/* Return a sequence of all (name, fields) pairs. Each field is a
gdb.Field object. */
static PyObject *
return typy_fields_items (self, iter_items);
}
+/* Return the type's name, or None. */
+
+static PyObject *
+typy_get_name (PyObject *self, void *closure)
+{
+ struct type *type = ((type_object *) self)->type;
+
+ if (TYPE_NAME (type) == NULL)
+ Py_RETURN_NONE;
+ return PyString_FromString (TYPE_NAME (type));
+}
+
/* Return the type's tag, or None. */
static PyObject *
typy_get_tag (PyObject *self, void *closure)
typy_strip_typedefs (PyObject *self, PyObject *args)
{
struct type *type = ((type_object *) self)->type;
- volatile struct gdb_exception except;
- TRY_CATCH (except, RETURN_MASK_ALL)
+ TRY
{
type = check_typedef (type);
}
- GDB_PY_HANDLE_EXCEPTION (except);
+ CATCH (except, RETURN_MASK_ALL)
+ {
+ GDB_PY_HANDLE_EXCEPTION (except);
+ }
+ END_CATCH
- return type_to_type_object (check_typedef (type));
+ return type_to_type_object (type);
}
/* Strip typedefs and pointers/reference from a type. Then check that
static struct type *
typy_get_composite (struct type *type)
{
- volatile struct gdb_exception except;
for (;;)
{
- TRY_CATCH (except, RETURN_MASK_ALL)
+ TRY
{
- CHECK_TYPEDEF (type);
+ type = check_typedef (type);
}
- /* Don't use GDB_PY_HANDLE_EXCEPTION here because that returns
- a (NULL) pointer of the wrong type. */
- if (except.reason < 0)
+ CATCH (except, RETURN_MASK_ALL)
{
- gdbpy_convert_exception (except);
- return NULL;
+ GDB_PY_HANDLE_EXCEPTION (except);
}
+ END_CATCH
if (TYPE_CODE (type) != TYPE_CODE_PTR
&& TYPE_CODE (type) != TYPE_CODE_REF)
/* If this is not a struct, union, or enum type, raise TypeError
exception. */
- if (TYPE_CODE (type) != TYPE_CODE_STRUCT
+ if (TYPE_CODE (type) != TYPE_CODE_STRUCT
&& TYPE_CODE (type) != TYPE_CODE_UNION
- && TYPE_CODE (type) != TYPE_CODE_ENUM)
+ && TYPE_CODE (type) != TYPE_CODE_ENUM
+ && TYPE_CODE (type) != TYPE_CODE_FUNC)
{
PyErr_SetString (PyExc_TypeError,
- "Type is not a structure, union, or enum type.");
+ "Type is not a structure, union, enum, or function type.");
return NULL;
}
-
+
return type;
}
-/* Return an array type. */
+/* Helper for typy_array and typy_vector. */
static PyObject *
-typy_array (PyObject *self, PyObject *args)
+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;
- volatile struct gdb_exception except;
if (! PyArg_ParseTuple (args, "l|O", &n1, &n2_obj))
return NULL;
n1 = 0;
}
- if (n2 < n1)
+ 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_CATCH (except, RETURN_MASK_ALL)
+ 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);
}
- 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;
- volatile struct gdb_exception except;
- TRY_CATCH (except, RETURN_MASK_ALL)
+ TRY
{
type = lookup_pointer_type (type);
}
- GDB_PY_HANDLE_EXCEPTION (except);
+ CATCH (except, RETURN_MASK_ALL)
+ {
+ GDB_PY_HANDLE_EXCEPTION (except);
+ }
+ END_CATCH
return type_to_type_object (type);
}
return NULL;
}
return result;
-
+
failarg:
Py_XDECREF (high_bound);
Py_XDECREF (low_bound);
typy_reference (PyObject *self, PyObject *args)
{
struct type *type = ((type_object *) self)->type;
- volatile struct gdb_exception except;
- TRY_CATCH (except, RETURN_MASK_ALL)
+ TRY
{
type = lookup_reference_type (type);
}
- GDB_PY_HANDLE_EXCEPTION (except);
+ CATCH (except, RETURN_MASK_ALL)
+ {
+ GDB_PY_HANDLE_EXCEPTION (except);
+ }
+ END_CATCH
return type_to_type_object (type);
}
if (!TYPE_TARGET_TYPE (type))
{
- PyErr_SetString (PyExc_RuntimeError,
+ PyErr_SetString (PyExc_RuntimeError,
_("Type does not have a target."));
return NULL;
}
typy_const (PyObject *self, PyObject *args)
{
struct type *type = ((type_object *) self)->type;
- volatile struct gdb_exception except;
- TRY_CATCH (except, RETURN_MASK_ALL)
+ TRY
{
type = make_cv_type (1, 0, type, NULL);
}
- GDB_PY_HANDLE_EXCEPTION (except);
+ CATCH (except, RETURN_MASK_ALL)
+ {
+ GDB_PY_HANDLE_EXCEPTION (except);
+ }
+ END_CATCH
return type_to_type_object (type);
}
typy_volatile (PyObject *self, PyObject *args)
{
struct type *type = ((type_object *) self)->type;
- volatile struct gdb_exception except;
- TRY_CATCH (except, RETURN_MASK_ALL)
+ TRY
{
type = make_cv_type (0, 1, type, NULL);
}
- GDB_PY_HANDLE_EXCEPTION (except);
+ CATCH (except, RETURN_MASK_ALL)
+ {
+ GDB_PY_HANDLE_EXCEPTION (except);
+ }
+ END_CATCH
return type_to_type_object (type);
}
typy_unqualified (PyObject *self, PyObject *args)
{
struct type *type = ((type_object *) self)->type;
- volatile struct gdb_exception except;
- TRY_CATCH (except, RETURN_MASK_ALL)
+ TRY
{
type = make_cv_type (0, 0, type, NULL);
}
- GDB_PY_HANDLE_EXCEPTION (except);
+ CATCH (except, RETURN_MASK_ALL)
+ {
+ GDB_PY_HANDLE_EXCEPTION (except);
+ }
+ END_CATCH
return type_to_type_object (type);
}
typy_get_sizeof (PyObject *self, void *closure)
{
struct type *type = ((type_object *) self)->type;
- volatile struct gdb_exception except;
- TRY_CATCH (except, RETURN_MASK_ALL)
+ TRY
{
check_typedef (type);
}
+ CATCH (except, RETURN_MASK_ALL)
+ {
+ }
+ END_CATCH
+
/* Ignore exceptions. */
- return PyLong_FromLong (TYPE_LENGTH (type));
+ return gdb_py_long_from_longest (TYPE_LENGTH (type));
}
static struct type *
typy_lookup_typename (const char *type_name, const struct block *block)
{
struct type *type = NULL;
- volatile struct gdb_exception except;
- TRY_CATCH (except, RETURN_MASK_ALL)
+ TRY
{
- if (!strncmp (type_name, "struct ", 7))
+ if (startswith (type_name, "struct "))
type = lookup_struct (type_name + 7, NULL);
- else if (!strncmp (type_name, "union ", 6))
+ else if (startswith (type_name, "union "))
type = lookup_union (type_name + 6, NULL);
- else if (!strncmp (type_name, "enum ", 5))
+ 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);
}
- if (except.reason < 0)
+ CATCH (except, RETURN_MASK_ALL)
{
- gdbpy_convert_exception (except);
- return NULL;
+ GDB_PY_HANDLE_EXCEPTION (except);
}
+ END_CATCH
return type;
}
struct type *type, *rtype = NULL;
char *type_name = NULL;
enum demangle_component_type demangled_type;
- volatile struct gdb_exception except;
/* Save the type: typy_lookup_type() may (indirectly) overwrite
memory pointed by demangled. */
if (! type)
return NULL;
- TRY_CATCH (except, RETURN_MASK_ALL)
+ TRY
{
/* If the demangled_type matches with one of the types
below, run the corresponding function and save the type
break;
}
}
- if (except.reason < 0)
+ CATCH (except, RETURN_MASK_ALL)
{
- gdbpy_convert_exception (except);
- return NULL;
+ 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. */
type_name = cp_comp_to_string (demangled, 10);
type = typy_lookup_typename (type_name, block);
const char *err;
struct type *argtype;
struct cleanup *cleanup;
- volatile struct gdb_exception except;
if (TYPE_NAME (type) == NULL)
{
return NULL;
}
- TRY_CATCH (except, RETURN_MASK_ALL)
+ TRY
{
/* Note -- this is not thread-safe. */
info = cp_demangled_name_to_comp (TYPE_NAME (type), &err);
}
- GDB_PY_HANDLE_EXCEPTION (except);
+ CATCH (except, RETURN_MASK_ALL)
+ {
+ GDB_PY_HANDLE_EXCEPTION (except);
+ }
+ END_CATCH
if (! info)
{
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;
}
}
- TRY_CATCH (except, RETURN_MASK_ALL)
+ TRY
{
type = check_typedef (type);
if (TYPE_CODE (type) == TYPE_CODE_REF)
type = check_typedef (TYPE_TARGET_TYPE (type));
}
- GDB_PY_HANDLE_EXCEPTION (except);
+ 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 --
return NULL;
}
- TRY_CATCH (except, RETURN_MASK_ALL)
+ TRY
{
val = value_of_variable (sym, block);
}
- GDB_PY_HANDLE_EXCEPTION (except);
+ CATCH (except, RETURN_MASK_ALL)
+ {
+ GDB_PY_HANDLE_EXCEPTION (except);
+ }
+ END_CATCH
return value_to_value_object (val);
}
static PyObject *
typy_str (PyObject *self)
{
- volatile struct gdb_exception except;
- char *thetype = NULL;
- long length = 0;
+ std::string thetype;
PyObject *result;
- TRY_CATCH (except, RETURN_MASK_ALL)
+ TRY
{
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);
+ LA_PRINT_TYPE (type_object_to_type (self), "", stb, -1, 0,
+ &type_print_raw_options);
- thetype = ui_file_xstrdup (stb, &length);
+ thetype = ui_file_as_string (stb);
do_cleanups (old_chain);
}
- if (except.reason < 0)
+ CATCH (except, RETURN_MASK_ALL)
{
- xfree (thetype);
GDB_PY_HANDLE_EXCEPTION (except);
}
+ END_CATCH
- result = PyUnicode_Decode (thetype, length, host_charset (), NULL);
- xfree (thetype);
+ result = PyUnicode_Decode (thetype.c_str (), thetype.length (),
+ host_charset (), NULL);
return result;
}
-/* An entry in the type-equality bcache. */
-
-typedef struct type_equality_entry
-{
- struct type *type1, *type2;
-} type_equality_entry_d;
-
-DEF_VEC_O (type_equality_entry_d);
-
-/* A helper function to compare two strings. Returns 1 if they are
- the same, 0 otherwise. Handles NULLs properly. */
-
-static int
-compare_maybe_null_strings (const char *s, const char *t)
-{
- if (s == NULL && t != NULL)
- return 0;
- else if (s != NULL && t == NULL)
- return 0;
- else if (s == NULL && t== NULL)
- return 1;
- return strcmp (s, t) == 0;
-}
-
-/* A helper function for typy_richcompare that checks two types for
- "deep" equality. Returns Py_EQ if the types are considered the
- same, Py_NE otherwise. */
-
-static int
-check_types_equal (struct type *type1, struct type *type2,
- VEC (type_equality_entry_d) **worklist)
-{
- CHECK_TYPEDEF (type1);
- CHECK_TYPEDEF (type2);
-
- if (type1 == type2)
- return Py_EQ;
-
- if (TYPE_CODE (type1) != TYPE_CODE (type2)
- || TYPE_LENGTH (type1) != TYPE_LENGTH (type2)
- || TYPE_UNSIGNED (type1) != TYPE_UNSIGNED (type2)
- || TYPE_NOSIGN (type1) != TYPE_NOSIGN (type2)
- || TYPE_VARARGS (type1) != TYPE_VARARGS (type2)
- || TYPE_VECTOR (type1) != TYPE_VECTOR (type2)
- || TYPE_NOTTEXT (type1) != TYPE_NOTTEXT (type2)
- || TYPE_INSTANCE_FLAGS (type1) != TYPE_INSTANCE_FLAGS (type2)
- || TYPE_NFIELDS (type1) != TYPE_NFIELDS (type2))
- return Py_NE;
-
- if (!compare_maybe_null_strings (TYPE_TAG_NAME (type1),
- TYPE_TAG_NAME (type2)))
- return Py_NE;
- if (!compare_maybe_null_strings (TYPE_NAME (type1), TYPE_NAME (type2)))
- return Py_NE;
-
- if (TYPE_CODE (type1) == TYPE_CODE_RANGE)
- {
- if (memcmp (TYPE_RANGE_DATA (type1), TYPE_RANGE_DATA (type2),
- sizeof (*TYPE_RANGE_DATA (type1))) != 0)
- return Py_NE;
- }
- else
- {
- int i;
-
- for (i = 0; i < TYPE_NFIELDS (type1); ++i)
- {
- const struct field *field1 = &TYPE_FIELD (type1, i);
- const struct field *field2 = &TYPE_FIELD (type2, i);
- struct type_equality_entry entry;
-
- if (FIELD_ARTIFICIAL (*field1) != FIELD_ARTIFICIAL (*field2)
- || FIELD_BITSIZE (*field1) != FIELD_BITSIZE (*field2)
- || FIELD_LOC_KIND (*field1) != FIELD_LOC_KIND (*field2))
- return Py_NE;
- if (!compare_maybe_null_strings (FIELD_NAME (*field1),
- FIELD_NAME (*field2)))
- return Py_NE;
- switch (FIELD_LOC_KIND (*field1))
- {
- case FIELD_LOC_KIND_BITPOS:
- if (FIELD_BITPOS (*field1) != FIELD_BITPOS (*field2))
- return Py_NE;
- break;
- case FIELD_LOC_KIND_ENUMVAL:
- if (FIELD_ENUMVAL (*field1) != FIELD_ENUMVAL (*field2))
- return Py_NE;
- break;
- case FIELD_LOC_KIND_PHYSADDR:
- if (FIELD_STATIC_PHYSADDR (*field1)
- != FIELD_STATIC_PHYSADDR (*field2))
- return Py_NE;
- break;
- case FIELD_LOC_KIND_PHYSNAME:
- if (!compare_maybe_null_strings (FIELD_STATIC_PHYSNAME (*field1),
- FIELD_STATIC_PHYSNAME (*field2)))
- return Py_NE;
- break;
- case FIELD_LOC_KIND_DWARF_BLOCK:
- {
- struct dwarf2_locexpr_baton *block1, *block2;
-
- block1 = FIELD_DWARF_BLOCK (*field1);
- block2 = FIELD_DWARF_BLOCK (*field2);
- if (block1->per_cu != block2->per_cu
- || block1->size != block2->size
- || memcmp (block1->data, block2->data, block1->size) != 0)
- return Py_NE;
- }
- break;
- default:
- internal_error (__FILE__, __LINE__, _("Unsupported field kind "
- "%d by check_types_equal"),
- FIELD_LOC_KIND (*field1));
- }
-
- entry.type1 = FIELD_TYPE (*field1);
- entry.type2 = FIELD_TYPE (*field2);
- VEC_safe_push (type_equality_entry_d, *worklist, &entry);
- }
- }
-
- if (TYPE_TARGET_TYPE (type1) != NULL)
- {
- struct type_equality_entry entry;
- int added;
-
- if (TYPE_TARGET_TYPE (type2) == NULL)
- return Py_NE;
-
- entry.type1 = TYPE_TARGET_TYPE (type1);
- entry.type2 = TYPE_TARGET_TYPE (type2);
- VEC_safe_push (type_equality_entry_d, *worklist, &entry);
- }
- else if (TYPE_TARGET_TYPE (type2) != NULL)
- return Py_NE;
-
- return Py_EQ;
-}
-
-/* Check types on a worklist for equality. Returns Py_NE if any pair
- is not equal, Py_EQ if they are all considered equal. */
-
-static int
-check_types_worklist (VEC (type_equality_entry_d) **worklist,
- struct bcache *cache)
-{
- while (!VEC_empty (type_equality_entry_d, *worklist))
- {
- struct type_equality_entry entry;
- int added;
-
- entry = *VEC_last (type_equality_entry_d, *worklist);
- VEC_pop (type_equality_entry_d, *worklist);
-
- /* If the type pair has already been visited, we know it is
- ok. */
- bcache_full (&entry, sizeof (entry), cache, &added);
- if (!added)
- continue;
-
- if (check_types_equal (entry.type1, entry.type2, worklist) == Py_NE)
- return Py_NE;
- }
-
- return Py_EQ;
-}
-
/* Implement the richcompare method. */
static PyObject *
int result = Py_NE;
struct type *type1 = type_object_to_type (self);
struct type *type2 = type_object_to_type (other);
- volatile struct gdb_exception except;
/* We can only compare ourselves to another Type object, and only
for equality or inequality. */
result = Py_EQ;
else
{
- struct bcache *cache;
- VEC (type_equality_entry_d) *worklist = NULL;
- struct type_equality_entry entry;
-
- cache = bcache_xmalloc (NULL, NULL);
-
- entry.type1 = type1;
- entry.type2 = type2;
- VEC_safe_push (type_equality_entry_d, worklist, &entry);
-
- TRY_CATCH (except, RETURN_MASK_ALL)
+ TRY
{
- result = check_types_worklist (&worklist, cache);
+ result = types_deeply_equal (type1, type2);
}
- /* check_types_worklist calls several nested Python helper
- functions, some of which can raise a GDB Exception, so we
- just check and convert here. If there is a GDB exception, a
- comparison is not capable (or trusted), so exit. */
- bcache_xfree (cache);
- VEC_free (type_equality_entry_d, worklist);
- GDB_PY_HANDLE_EXCEPTION (except);
+ 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)
+ if (op == (result ? Py_EQ : Py_NE))
Py_RETURN_TRUE;
Py_RETURN_FALSE;
}
static void
save_objfile_types (struct objfile *objfile, void *datum)
{
- type_object *obj = datum;
+ type_object *obj = (type_object *) datum;
htab_t copied_types;
struct cleanup *cleanup;
+ if (!gdb_python_initialized)
+ return;
+
/* This prevents another thread from freeing the objects we're
operating on. */
cleanup = ensure_python_env (get_objfile_arch (objfile), current_language);
{
struct objfile *objfile = TYPE_OBJFILE (type);
- obj->next = objfile_data (objfile, typy_objfile_data_key);
+ 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);
if (type->next)
type->next->prev = type->prev;
- type->ob_type->tp_free (type);
+ Py_TYPE (type)->tp_free (type);
}
/* Return number of fields ("length" of the field dictionary). */
}
/* Implements boolean evaluation of gdb.Type. Handle this like other
- Python objects that don't have a meaningful truth value -- all
+ Python objects that don't have a meaningful truth value -- all
values are true. */
static int
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;
- char *field;
int i;
- volatile struct gdb_exception except;
- field = python_string_to_host_string (key);
+ 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
+ /* 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))
+ if (t_field_name && (strcmp_iw (t_field_name, field.get ()) == 0))
{
return convert_field (type, i);
}
return NULL;
}
-/* Implement the "get" method on the type object. This is the
+/* 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. */
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;
struct type *type = ((type_object *) self)->type;
const char *field;
int i;
- volatile struct gdb_exception except;
if (!PyArg_ParseTuple (args, "s", &field))
return NULL;
- /* We want just fields of this type, not of base types, so instead of
+ /* 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. */
/* 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)
{
typy_iterator_object *iter_obj = (typy_iterator_object *) self;
struct type *type = iter_obj->source->type;
- int i;
PyObject *result;
-
+
if (iter_obj->field < TYPE_NFIELDS (type))
{
result = make_fielditem (type, iter_obj->field, iter_obj->kind);
return (PyObject *) type_to_type_object (type);
}
-void
+int
gdbpy_initialize_types (void)
{
int i;
= register_objfile_data_with_cleanup (save_objfile_types, NULL);
if (PyType_Ready (&type_object_type) < 0)
- return;
+ return -1;
if (PyType_Ready (&field_object_type) < 0)
- return;
+ return -1;
if (PyType_Ready (&type_iterator_object_type) < 0)
- return;
+ return -1;
for (i = 0; pyty_codes[i].name; ++i)
{
/* Cast needed for Python 2.4. */
(char *) pyty_codes[i].name,
pyty_codes[i].code) < 0)
- return;
+ return -1;
}
- Py_INCREF (&type_object_type);
- PyModule_AddObject (gdb_module, "Type", (PyObject *) &type_object_type);
+ if (gdb_pymodule_addobject (gdb_module, "Type",
+ (PyObject *) &type_object_type) < 0)
+ return -1;
- Py_INCREF (&type_iterator_object_type);
- PyModule_AddObject (gdb_module, "TypeIterator",
- (PyObject *) &type_iterator_object_type);
+ if (gdb_pymodule_addobject (gdb_module, "TypeIterator",
+ (PyObject *) &type_iterator_object_type) < 0)
+ return -1;
- Py_INCREF (&field_object_type);
- PyModule_AddObject (gdb_module, "Field", (PyObject *) &field_object_type);
+ return gdb_pymodule_addobject (gdb_module, "Field",
+ (PyObject *) &field_object_type);
}
\f
{
{ "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,
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\
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_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 = {
NULL /* no "set" method */
};
-static PyTypeObject type_object_type =
+PyTypeObject type_object_type =
{
- PyObject_HEAD_INIT (NULL)
- 0, /*ob_size*/
+ PyVarObject_HEAD_INIT (NULL, 0)
"gdb.Type", /*tp_name*/
sizeof (type_object), /*tp_basicsize*/
0, /*tp_itemsize*/
{ NULL }
};
-static PyTypeObject field_object_type =
+PyTypeObject field_object_type =
{
- PyObject_HEAD_INIT (NULL)
- 0, /*ob_size*/
+ PyVarObject_HEAD_INIT (NULL, 0)
"gdb.Field", /*tp_name*/
sizeof (field_object), /*tp_basicsize*/
0, /*tp_itemsize*/
0, /* tp_new */
};
-static PyTypeObject type_iterator_object_type = {
- PyObject_HEAD_INIT (NULL)
- 0, /*ob_size*/
+PyTypeObject type_iterator_object_type = {
+ PyVarObject_HEAD_INIT (NULL, 0)
"gdb.TypeIterator", /*tp_name*/
sizeof (typy_iterator_object), /*tp_basicsize*/
0, /*tp_itemsize*/