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author | Tom Tromey <tromey@redhat.com> | 2009-05-28 01:09:20 +0000 |
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committer | Tom Tromey <tromey@redhat.com> | 2009-05-28 01:09:20 +0000 |
commit | b6313243984b74ee6772dd8273b0e6073ad1815b (patch) | |
tree | 79db018823e681990855f3c379c40e2cc7de9f6e /gdb/python | |
parent | a6bac58e84001d33b9540e208e9ca6d6ab265bf3 (diff) | |
download | fsf-binutils-gdb-b6313243984b74ee6772dd8273b0e6073ad1815b.zip fsf-binutils-gdb-b6313243984b74ee6772dd8273b0e6073ad1815b.tar.gz fsf-binutils-gdb-b6313243984b74ee6772dd8273b0e6073ad1815b.tar.bz2 |
gdb
2009-05-27 Vladimir Prus <vladimir@codesourcery.com>
Tom Tromey <tromey@redhat.com>
Thiago Jung Bauermann <bauerman@br.ibm.com>
* mi/mi-main.c (mi_cmd_list_features): List "python" feature.
* varobj.h (varobj_set_visualizer): Declare.
(varobj_get_display_hint): Likewise.
(varobj_update_result_t) <children_changed, value_installed>: New
fields.
* mi/mi-cmds.c (mi_cmds): Add var-set-visualizer.
* mi/mi-cmds.h (mi_cmd_var_set_visualizer,
mi_cmd_var_set_child_range): Declare.
* mi/mi-cmd-var.c (mi_cmd_var_set_visualizer): New function.
(mi_cmd_var_list_children): Emit display hint.
(varobj_update_one): Emit display hint. Handle dynamic children.
* python/python.c (GdbMethods): Add "default_visualizer".
* python/python-internal.h (apply_varobj_pretty_printer,
gdbpy_get_varobj_pretty_printer, gdbpy_get_display_hint):
Declare.
(gdbpy_default_visualizer): Likewise.
* varobj.c: Include python.h, python-internal.h.
(PyObject): New typedef.
(struct varobj) <children_requested, pretty_printer>: New fields.
(varobj_create): Call install_default_visualizer.
(instantiate_pretty_printer): New function.
(varobj_set_display_format): Update.
(varobj_get_display_hint): New function.
(update_dynamic_varobj_children): New function.
(varobj_get_num_children): Handle dynamic children.
(varobj_list_children): Likewise.
(install_new_value): Likewise.
(varobj_add_child): New function.
(install_visualizer): Likewise.
(install_default_visualizer): Likewise.
(varobj_set_visualizer): Likewise.
(varobj_update): Handle dynamic children.
(create_child): Use create_child_with_value.
(create_child_with_value): New function.
(value_get_print_value): Call pretty printer. Add value_formatter
argument.
(c_value_of_variable): Update.
(varobj_invalidate): Always free all_rootvarobj.
* python/python-prettyprint.c (apply_varobj_pretty_printer): New
function.
(gdbpy_get_varobj_pretty_printer): Likewise.
(gdbpy_default_visualizer): Likewise.
gdb/doc
2009-05-27 Tom Tromey <tromey@redhat.com>
* gdb.texinfo (GDB/MI Miscellaneous Commands): Document "python"
feature.
(GDB/MI Variable Objects): Document -var-set-visualizer.
gdb/testsuite
2009-05-27 Tom Tromey <tromey@redhat.com>
Thiago Jung Bauermann <bauerman@br.ibm.com>
* lib/mi-support.exp (mi_varobj_update_dynamic): New proc.
(mi_child_regexp): Likewise.
(mi_list_varobj_children_range): Likewise.
(mi_get_features): Likewise.
(mi_list_varobj_children): Rewrite.
* gdb.python/python-mi.exp: New file.
Diffstat (limited to 'gdb/python')
-rw-r--r-- | gdb/python/python-internal.h | 8 | ||||
-rw-r--r-- | gdb/python/python-prettyprint.c | 74 | ||||
-rw-r--r-- | gdb/python/python.c | 3 |
3 files changed, 85 insertions, 0 deletions
diff --git a/gdb/python/python-internal.h b/gdb/python/python-internal.h index 983d24d..35d3870 100644 --- a/gdb/python/python-internal.h +++ b/gdb/python/python-internal.h @@ -111,6 +111,14 @@ char *python_string_to_host_string (PyObject *obj); PyObject *target_string_to_unicode (const gdb_byte *str, int length); int gdbpy_is_string (PyObject *obj); +/* Note that these are declared here, and not in python.h with the + other pretty-printer functions, because they refer to PyObject. */ +char *apply_varobj_pretty_printer (PyObject *print_obj, + struct value **replacement); +PyObject *gdbpy_get_varobj_pretty_printer (struct value *value); +char *gdbpy_get_display_hint (PyObject *printer); +PyObject *gdbpy_default_visualizer (PyObject *self, PyObject *args); + extern PyObject *gdbpy_doc_cst; extern PyObject *gdbpy_children_cst; extern PyObject *gdbpy_to_string_cst; diff --git a/gdb/python/python-prettyprint.c b/gdb/python/python-prettyprint.c index 5be4f36..6e17f9a 100644 --- a/gdb/python/python-prettyprint.c +++ b/gdb/python/python-prettyprint.c @@ -508,6 +508,80 @@ apply_val_pretty_printer (struct type *type, const gdb_byte *valaddr, return result; } +/* Apply a pretty-printer for the varobj code. PRINTER_OBJ is the + print object. It must have a 'to_string' method (but this is + checked by varobj, not here) which takes no arguments and + returns a string. This function returns an xmalloc()d string if + the printer returns a string. The printer may return a replacement + value instead; in this case *REPLACEMENT is set to the replacement + value, and this function returns NULL. On error, *REPLACEMENT is + set to NULL and this function also returns NULL. */ +char * +apply_varobj_pretty_printer (PyObject *printer_obj, + struct value **replacement) +{ + char *result; + PyGILState_STATE state = PyGILState_Ensure (); + + *replacement = NULL; + result = pretty_print_one_value (printer_obj, replacement); + if (result == NULL); + gdbpy_print_stack (); + PyGILState_Release (state); + + return result; +} + +/* Find a pretty-printer object for the varobj module. Returns a new + 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_get_varobj_pretty_printer (struct value *value) +{ + PyObject *val_obj; + PyObject *pretty_printer = NULL; + volatile struct gdb_exception except; + + TRY_CATCH (except, RETURN_MASK_ALL) + { + value = value_copy (value); + } + GDB_PY_HANDLE_EXCEPTION (except); + + val_obj = value_to_value_object (value); + if (! val_obj) + return NULL; + + pretty_printer = find_pretty_printer (val_obj); + Py_DECREF (val_obj); + return pretty_printer; +} + +/* A Python function which wraps find_pretty_printer and instantiates + the resulting class. This accepts a Value argument and returns a + pretty printer instance, or None. This function is useful as an + argument to the MI command -var-set-visualizer. */ +PyObject * +gdbpy_default_visualizer (PyObject *self, PyObject *args) +{ + PyObject *val_obj; + PyObject *cons, *printer = NULL; + struct value *value; + + if (! PyArg_ParseTuple (args, "O", &val_obj)) + return NULL; + value = value_object_to_value (val_obj); + if (! value) + { + PyErr_SetString (PyExc_TypeError, "argument must be a gdb.Value"); + return NULL; + } + + cons = find_pretty_printer (val_obj); + return cons; +} + #else /* HAVE_PYTHON */ int diff --git a/gdb/python/python.c b/gdb/python/python.c index 19098cc..7f32d66 100644 --- a/gdb/python/python.c +++ b/gdb/python/python.c @@ -615,6 +615,9 @@ static PyMethodDef GdbMethods[] = { "get_parameter", get_parameter, METH_VARARGS, "Return a gdb parameter's value" }, + { "default_visualizer", gdbpy_default_visualizer, METH_VARARGS, + "Find the default visualizer for a Value." }, + { "current_objfile", gdbpy_get_current_objfile, METH_NOARGS, "Return the current Objfile being loaded, or None." }, { "objfiles", gdbpy_objfiles, METH_NOARGS, |