/* Python pretty-printing
- Copyright (C) 2008-2017 Free Software Foundation, Inc.
+ Copyright (C) 2008-2019 Free Software Foundation, Inc.
This file is part of GDB.
will return None. On error, it will set the Python error and
return NULL. */
-static PyObject *
+static gdbpy_ref<>
search_pp_list (PyObject *list, PyObject *value)
{
Py_ssize_t pp_list_size, list_index;
if (printer == NULL)
return NULL;
else if (printer != Py_None)
- return printer.release ();
+ return printer;
}
- Py_RETURN_NONE;
+ return gdbpy_ref<>::new_reference (Py_None);
}
/* Subroutine of find_pretty_printer to simplify it.
static PyObject *
find_pretty_printer_from_objfiles (PyObject *value)
{
- struct objfile *obj;
+ for (objfile *obj : all_objfiles (current_program_space))
+ {
+ gdbpy_ref<> objf = objfile_to_objfile_object (obj);
+ if (objf == NULL)
+ {
+ /* Ignore the error and continue. */
+ PyErr_Clear ();
+ continue;
+ }
- ALL_OBJFILES (obj)
- {
- PyObject *objf = objfile_to_objfile_object (obj);
- if (!objf)
- {
- /* Ignore the error and continue. */
- PyErr_Clear ();
- continue;
- }
-
- gdbpy_ref<> pp_list (objfpy_get_printers (objf, NULL));
- gdbpy_ref<> function (search_pp_list (pp_list.get (), value));
-
- /* If there is an error in any objfile list, abort the search and exit. */
- if (function == NULL)
- return NULL;
+ gdbpy_ref<> pp_list (objfpy_get_printers (objf.get (), NULL));
+ gdbpy_ref<> function (search_pp_list (pp_list.get (), value));
- if (function != Py_None)
- return function.release ();
- }
+ /* If there is an error in any objfile list, abort the search and exit. */
+ if (function == NULL)
+ return NULL;
+
+ if (function != Py_None)
+ return function.release ();
+ }
Py_RETURN_NONE;
}
The result is Py_None, suitably inc-ref'd, if no pretty-printer was found.
Otherwise the result is the pretty-printer function, suitably inc-ref'd. */
-static PyObject *
+static gdbpy_ref<>
find_pretty_printer_from_progspace (PyObject *value)
{
- PyObject *obj = pspace_to_pspace_object (current_program_space);
+ gdbpy_ref<> obj = pspace_to_pspace_object (current_program_space);
- if (!obj)
+ if (obj == NULL)
return NULL;
- gdbpy_ref<> pp_list (pspy_get_printers (obj, NULL));
+ gdbpy_ref<> pp_list (pspy_get_printers (obj.get (), NULL));
return search_pp_list (pp_list.get (), value);
}
The result is Py_None, suitably inc-ref'd, if no pretty-printer was found.
Otherwise the result is the pretty-printer function, suitably inc-ref'd. */
-static PyObject *
+static gdbpy_ref<>
find_pretty_printer_from_gdb (PyObject *value)
{
/* Fetch the global pretty printer list. */
if (gdb_python_module == NULL
|| ! PyObject_HasAttrString (gdb_python_module, "pretty_printers"))
- Py_RETURN_NONE;
+ return gdbpy_ref<>::new_reference (Py_None);
gdbpy_ref<> pp_list (PyObject_GetAttrString (gdb_python_module,
"pretty_printers"));
if (pp_list == NULL || ! PyList_Check (pp_list.get ()))
- Py_RETURN_NONE;
+ return gdbpy_ref<>::new_reference (Py_None);
return search_pp_list (pp_list.get (), value);
}
pretty-printer exists, return None. If one exists, return a new
reference. On error, set the Python error and return NULL. */
-static PyObject *
+static gdbpy_ref<>
find_pretty_printer (PyObject *value)
{
/* Look at the pretty-printer list for each objfile
in the current program-space. */
gdbpy_ref<> function (find_pretty_printer_from_objfiles (value));
if (function == NULL || function != Py_None)
- return function.release ();
+ return function;
/* Look at the pretty-printer list for the current program-space. */
- function.reset (find_pretty_printer_from_progspace (value));
+ function = find_pretty_printer_from_progspace (value);
if (function == NULL || function != Py_None)
- return function.release ();
+ return function;
/* Look at the pretty-printer list in the gdb module. */
return find_pretty_printer_from_gdb (value);
is returned. On error, *OUT_VALUE is set to NULL, NULL is
returned, with a python exception set. */
-static PyObject *
+static gdbpy_ref<>
pretty_print_one_value (PyObject *printer, struct value **out_value)
{
gdbpy_ref<> result;
*out_value = NULL;
TRY
{
- result.reset (PyObject_CallMethodObjArgs (printer, gdbpy_to_string_cst,
- NULL));
- if (result != NULL)
+ if (!PyObject_HasAttr (printer, gdbpy_to_string_cst))
+ result = gdbpy_ref<>::new_reference (Py_None);
+ else
{
- if (! gdbpy_is_string (result.get ())
- && ! gdbpy_is_lazy_string (result.get ())
- && result != Py_None)
+ result.reset (PyObject_CallMethodObjArgs (printer, gdbpy_to_string_cst,
+ NULL));
+ if (result != NULL)
{
- *out_value = convert_value_from_python (result.get ());
- if (PyErr_Occurred ())
- *out_value = NULL;
- result = NULL;
+ if (! gdbpy_is_string (result.get ())
+ && ! gdbpy_is_lazy_string (result.get ())
+ && result != Py_None)
+ {
+ *out_value = convert_value_from_python (result.get ());
+ if (PyErr_Occurred ())
+ *out_value = NULL;
+ result = NULL;
+ }
}
}
}
}
END_CATCH
- return result.release ();
+ return result;
}
/* Return the display hint for the object printer, PRINTER. Return
{
if (PyErr_ExceptionMatches (gdbpy_gdb_memory_error))
{
- PyObject *type, *value, *trace;
-
- PyErr_Fetch (&type, &value, &trace);
-
- gdbpy_ref<> type_ref (type);
- gdbpy_ref<> value_ref (value);
- gdbpy_ref<> trace_ref (trace);
-
- gdb::unique_xmalloc_ptr<char>
- msg (gdbpy_exception_to_string (type, value));
+ gdbpy_err_fetch fetched_error;
+ gdb::unique_xmalloc_ptr<char> msg = fetched_error.to_string ();
if (msg == NULL || *msg == '\0')
fprintf_filtered (stream, _("<error reading variable>"));
struct value *replacement = NULL;
enum string_repr_result result = string_repr_ok;
- gdbpy_ref<> py_str (pretty_print_one_value (printer, &replacement));
+ gdbpy_ref<> py_str = pretty_print_one_value (printer, &replacement);
if (py_str != NULL)
{
if (py_str == Py_None)
else
{
gdbpy_ref<> string
- (python_string_to_target_python_string (py_str.get ()));
+ = python_string_to_target_python_string (py_str.get ());
if (string != NULL)
{
char *output;
struct gdbarch *gdbarch = get_type_arch (type);
struct value *value;
enum string_repr_result print_result;
- const gdb_byte *valaddr = value_contents_for_printing (val);
+
+ if (value_lazy (val))
+ value_fetch_lazy (val);
/* No pretty-printer support for unavailable values. */
if (!value_bytes_available (val, embedded_offset, TYPE_LENGTH (type)))
set to the replacement value and this function returns NULL. On
error, *REPLACEMENT is set to NULL and this function also returns
NULL. */
-PyObject *
+gdbpy_ref<>
apply_varobj_pretty_printer (PyObject *printer_obj,
struct value **replacement,
struct ui_file *stream)
{
- PyObject *py_str = NULL;
-
*replacement = NULL;
- py_str = pretty_print_one_value (printer_obj, replacement);
+ gdbpy_ref<> py_str = pretty_print_one_value (printer_obj, replacement);
if (*replacement == NULL && py_str == NULL)
print_stack_unless_memory_error (stream);
reference to the object if successful; returns NULL if not. VALUE
is the value for which a printer tests to determine if it
can pretty-print the value. */
-PyObject *
+gdbpy_ref<>
gdbpy_get_varobj_pretty_printer (struct value *value)
{
TRY
gdbpy_default_visualizer (PyObject *self, PyObject *args)
{
PyObject *val_obj;
- PyObject *cons;
struct value *value;
if (! PyArg_ParseTuple (args, "O", &val_obj))
return NULL;
}
- cons = find_pretty_printer (val_obj);
- return cons;
+ return find_pretty_printer (val_obj).release ();
}
projects / deliverable / binutils-gdb.git / blobdiff