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| author | Tom Tromey <tromey@redhat.com> | 2012-11-12 17:41:59 +0000 |
|---|---|---|
| committer | Tom Tromey <tromey@redhat.com> | 2012-11-12 17:41:59 +0000 |
| commit | 18a9fc1261b8a654fe6db7eea7e60b0c59296d96 (patch) | |
| tree | 50b1290ab9827f259ea103cf50367d7ac6c0e878 /gdb/python/python.c | |
| parent | bd69fc683f383772bb8fab43c5d4af8d0cd4a8b4 (diff) | |
| download | binutils-18a9fc1261b8a654fe6db7eea7e60b0c59296d96.zip binutils-18a9fc1261b8a654fe6db7eea7e60b0c59296d96.tar.gz binutils-18a9fc1261b8a654fe6db7eea7e60b0c59296d96.tar.bz2 | |
* NEWS: Update.
* data-directory/Makefile.in (PYTHON_FILES): Add
type_printers.py.
* python/lib/gdb/command/type_printers.py: New file.
* python/lib/gdb/command/types.py (TypePrinter): New class.
(_get_some_type_recognizers, get_type_recognizers,
apply_type_recognizers, register_type_printer): New
functions.
* python/py-objfile.c (objfile_object) <type_printers>: New
field.
(objfpy_dealloc): Decref new field.
(objfpy_new): Set new field.
(objfpy_get_type_printers, objfpy_set_type_printers): New
functions.
(objfile_to_objfile_object): Set new field.
(objfile_getset): Add "type_printers".
* python/py-progspace.c (pspace_object) <type_printers>: New
field.
(pspy_dealloc): Decref new field.
(pspy_new): Set new field.
(pspy_get_type_printers, pspy_set_type_printers): New functions.
(pspace_to_pspace_object): Set new field.
(pspace_getset): Add "type_printers".
* python/python.c (start_type_printers, apply_type_printers,
free_type_printers): New functions.
(_initialize_python): Set gdb.type_printers.
* python/python.h (start_type_printers, apply_type_printers,
free_type_printers): Declare.
* typeprint.c (type_print_raw_options, default_ptype_flags):
Update for new fields.
(do_free_global_table, create_global_typedef_table,
find_global_typedef): New functions.
(find_typedef_in_hash): Use find_global_typedef.
(whatis_exp): Use create_global_typedef_table. Change cleanup
handling.
* typeprint.h (struct type_print_options) <global_typedefs,
global_printers>: New fields.
doc
* gdb.texinfo (Symbols): Document "info type-printers",
"enable type-printer" and "disable type-printer".
(Python API): Add new node to menu.
(Type Printing API): New node.
(Progspaces In Python): Document type_printers field.
(Objfiles In Python): Likewise.
(gdb.types) <get_type_recognizers, apply_type_recognizers,
register_type_printer, TypePrinter>: Document.
testsuite
* gdb.base/completion.exp: Update for "info type-printers".
* gdb.python/py-typeprint.cc: New file.
* gdb.python/py-typeprint.exp: New file.
* gdb.python/py-typeprint.py: New file.
Diffstat (limited to 'gdb/python/python.c')
| -rw-r--r-- | gdb/python/python.c | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/gdb/python/python.c b/gdb/python/python.c index cd50e50..359d238 100644 --- a/gdb/python/python.c +++ b/gdb/python/python.c @@ -1181,6 +1181,125 @@ gdbpy_objfiles (PyObject *unused1, PyObject *unused2) return list; } +/* Compute the list of active type printers and return it. The result + of this function can be passed to apply_type_printers, and should + be freed by free_type_printers. */ + +void * +start_type_printers (void) +{ + struct cleanup *cleanups; + PyObject *type_module, *func, *result_obj; + + cleanups = ensure_python_env (get_current_arch (), current_language); + + type_module = PyImport_ImportModule ("gdb.types"); + if (type_module == NULL) + { + gdbpy_print_stack (); + goto done; + } + make_cleanup_py_decref (type_module); + + func = PyObject_GetAttrString (type_module, "get_type_recognizers"); + if (func == NULL) + { + gdbpy_print_stack (); + goto done; + } + make_cleanup_py_decref (func); + + result_obj = PyObject_CallFunctionObjArgs (func, (char *) NULL); + if (result_obj == NULL) + gdbpy_print_stack (); + + done: + do_cleanups (cleanups); + return result_obj; +} + +/* If TYPE is recognized by some type printer, return a newly + allocated string holding the type's replacement name. The caller + is responsible for freeing the string. Otherwise, return NULL. + + This function has a bit of a funny name, since it actually applies + recognizers, but this seemed clearer given the start_type_printers + and free_type_printers functions. */ + +char * +apply_type_printers (void *printers, struct type *type) +{ + struct cleanup *cleanups; + PyObject *type_obj, *type_module, *func, *result_obj; + PyObject *printers_obj = printers; + char *result = NULL; + + if (printers_obj == NULL) + return NULL; + + cleanups = ensure_python_env (get_current_arch (), current_language); + + type_obj = type_to_type_object (type); + if (type_obj == NULL) + { + gdbpy_print_stack (); + goto done; + } + make_cleanup_py_decref (type_obj); + + type_module = PyImport_ImportModule ("gdb.types"); + if (type_module == NULL) + { + gdbpy_print_stack (); + goto done; + } + make_cleanup_py_decref (type_module); + + func = PyObject_GetAttrString (type_module, "apply_type_recognizers"); + if (func == NULL) + { + gdbpy_print_stack (); + goto done; + } + make_cleanup_py_decref (func); + + result_obj = PyObject_CallFunctionObjArgs (func, printers_obj, + type_obj, (char *) NULL); + if (result_obj == NULL) + { + gdbpy_print_stack (); + goto done; + } + make_cleanup_py_decref (result_obj); + + if (result_obj != Py_None) + { + result = python_string_to_host_string (result_obj); + if (result == NULL) + gdbpy_print_stack (); + } + + done: + do_cleanups (cleanups); + return result; +} + +/* Free the result of start_type_printers. */ + +void +free_type_printers (void *arg) +{ + struct cleanup *cleanups; + PyObject *printers = arg; + + if (printers == NULL) + return; + + cleanups = ensure_python_env (get_current_arch (), current_language); + Py_DECREF (printers); + do_cleanups (cleanups); +} + #else /* HAVE_PYTHON */ /* Dummy implementation of the gdb "python-interactive" and "python" @@ -1238,6 +1357,23 @@ gdbpy_breakpoint_has_py_cond (struct breakpoint_object *bp_obj) "scripting is not supported.")); } +void * +start_type_printers (void) +{ + return NULL; +} + +char * +apply_type_printers (void *ignore, struct type *type) +{ + return NULL; +} + +void +free_type_printers (void *arg) +{ +} + #endif /* HAVE_PYTHON */ |