/* Python interface to line tables.
- Copyright (C) 2013-2016 Free Software Foundation, Inc.
+ Copyright (C) 2013-2022 Free Software Foundation, Inc.
This file is part of GDB.
#include "defs.h"
#include "python-internal.h"
-typedef struct {
+struct linetable_entry_object {
PyObject_HEAD
/* The line table source line. */
int line;
/* The pc associated with the source line. */
CORE_ADDR pc;
-} linetable_entry_object;
+};
extern PyTypeObject linetable_entry_object_type
CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("linetable_entry_object");
-typedef struct {
+struct linetable_object {
PyObject_HEAD
/* The symtab python object. We store the Python object here as the
underlying symtab can become invalid, and we have to run validity
checks on it. */
PyObject *symtab;
-} linetable_object;
+};
extern PyTypeObject linetable_object_type
CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("linetable_object");
-typedef struct {
+struct ltpy_iterator_object {
PyObject_HEAD
/* The current entry in the line table for the iterator */
int current_index;
check if the line table is still valid, and has not been invalidated
when an object file has been freed. */
PyObject *source;
-} ltpy_iterator_object;
+};
extern PyTypeObject ltpy_iterator_object_type
CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("ltpy_iterator_object");
return (PyObject *) obj;
}
-/* Internal helper function to build a Python Tuple from a GDB Vector.
+/* Internal helper function to build a Python Tuple from a vector.
A line table entry can have multiple PCs for a given source line.
Construct a Tuple of all entries for the given source line, LINE
- from the line table VEC. Construct one line table entry object per
+ from the line table PCS. Construct one line table entry object per
address. */
static PyObject *
-build_line_table_tuple_from_pcs (int line, VEC (CORE_ADDR) *vec)
+build_line_table_tuple_from_pcs (int line, const std::vector<CORE_ADDR> &pcs)
{
- int vec_len = 0;
- PyObject *tuple;
- CORE_ADDR pc;
int i;
- vec_len = VEC_length (CORE_ADDR, vec);
- if (vec_len < 1)
+ if (pcs.size () < 1)
Py_RETURN_NONE;
- tuple = PyTuple_New (vec_len);
+ gdbpy_ref<> tuple (PyTuple_New (pcs.size ()));
if (tuple == NULL)
return NULL;
- for (i = 0; VEC_iterate (CORE_ADDR, vec, i, pc); ++i)
+ for (i = 0; i < pcs.size (); ++i)
{
- PyObject *obj = build_linetable_entry (line, pc);
+ CORE_ADDR pc = pcs[i];
+ gdbpy_ref<> obj (build_linetable_entry (line, pc));
if (obj == NULL)
- {
- Py_DECREF (tuple);
- tuple = NULL;
- break;
- }
- else if (PyTuple_SetItem (tuple, i, obj) != 0)
- {
- Py_DECREF (obj);
- Py_DECREF (tuple);
- tuple = NULL;
- break;
- }
+ return NULL;
+ else if (PyTuple_SetItem (tuple.get (), i, obj.release ()) != 0)
+ return NULL;
}
- return tuple;
+ return tuple.release ();
}
/* Implementation of gdb.LineTable.line (self) -> Tuple. Returns a
struct symtab *symtab;
gdb_py_longest py_line;
struct linetable_entry *best_entry = NULL;
- VEC (CORE_ADDR) *pcs = NULL;
- PyObject *tuple;
+ std::vector<CORE_ADDR> pcs;
LTPY_REQUIRE_VALID (self, symtab);
if (! PyArg_ParseTuple (args, GDB_PY_LL_ARG, &py_line))
return NULL;
- TRY
+ try
{
pcs = find_pcs_for_symtab_line (symtab, py_line, &best_entry);
}
- CATCH (except, RETURN_MASK_ALL)
+ catch (const gdb_exception &except)
{
GDB_PY_HANDLE_EXCEPTION (except);
}
- END_CATCH
-
- tuple = build_line_table_tuple_from_pcs (py_line, pcs);
- VEC_free (CORE_ADDR, pcs);
- return tuple;
+ return build_line_table_tuple_from_pcs (py_line, pcs);
}
/* Implementation of gdb.LineTable.has_line (self, line) -> Boolean.
{
struct symtab *symtab;
Py_ssize_t index;
- PyObject *source_list, *source_dict, *line;
struct linetable_entry *item;
LTPY_REQUIRE_VALID (self, symtab);
return NULL;
}
- source_dict = PyDict_New ();
+ gdbpy_ref<> source_dict (PyDict_New ());
if (source_dict == NULL)
return NULL;
include in the source set. */
if (item->line > 0)
{
- line = gdb_py_object_from_longest (item->line);
+ gdbpy_ref<> line = gdb_py_object_from_longest (item->line);
if (line == NULL)
- {
- Py_DECREF (source_dict);
- return NULL;
- }
-
- if (PyDict_SetItem (source_dict, line, Py_None) == -1)
- {
- Py_DECREF (line);
- Py_DECREF (source_dict);
- return NULL;
- }
-
- Py_DECREF (line);
+ return NULL;
+
+ if (PyDict_SetItem (source_dict.get (), line.get (), Py_None) == -1)
+ return NULL;
}
}
-
- source_list = PyDict_Keys (source_dict);
- Py_DECREF (source_dict);
-
- return source_list;
+ return PyDict_Keys (source_dict.get ());
}
/* Implementation of gdb.LineTable.is_valid (self) -> Boolean.
{
linetable_entry_object *obj = (linetable_entry_object *) self;
- return gdb_py_object_from_longest (obj->line);
+ return gdb_py_object_from_longest (obj->line).release ();
}
/* Implementation of gdb.LineTableEntry.pc (self) -> Long. Returns a
{
linetable_entry_object *obj = (linetable_entry_object *) self;
- return gdb_py_object_from_longest (obj->pc);
+ return gdb_py_object_from_ulongest (obj->pc).release ();
}
/* LineTable iterator functions. */
ltpy_iterator_object *iter_obj = (ltpy_iterator_object *) obj;
Py_DECREF (iter_obj->source);
+ Py_TYPE (obj)->tp_free (obj);
}
/* Return a reference to the line table iterator. */
LTPY_REQUIRE_VALID (iter_obj->source, symtab);
if (iter_obj->current_index >= SYMTAB_LINETABLE (symtab)->nitems)
- goto stop_iteration;
+ {
+ PyErr_SetNone (PyExc_StopIteration);
+ return NULL;
+ }
item = &(SYMTAB_LINETABLE (symtab)->item[iter_obj->current_index]);
/* Exit if the internal value is the last item in the line table. */
if (iter_obj->current_index >= SYMTAB_LINETABLE (symtab)->nitems)
- goto stop_iteration;
+ {
+ PyErr_SetNone (PyExc_StopIteration);
+ return NULL;
+ }
item = &(SYMTAB_LINETABLE (symtab)->item[iter_obj->current_index]);
}
iter_obj->current_index++;
return obj;
-
- stop_iteration:
- PyErr_SetNone (PyExc_StopIteration);
- return NULL;
}
/* Implementation of gdb.LineTableIterator.is_valid (self) -> Boolean.
};
-static PyGetSetDef linetable_entry_object_getset[] = {
+static gdb_PyGetSetDef linetable_entry_object_getset[] = {
{ "line", ltpy_entry_get_line, NULL,
"The line number in the source file.", NULL },
{ "pc", ltpy_entry_get_pc, NULL,
projects / deliverable / binutils-gdb.git / blobdiff