Extension Language API
[deliverable/binutils-gdb.git] / gdb / ChangeLog
index 48bf51b371f5d8b565685e647547a029dba66728..94c3971f71de39ba12fa187e087e3fce37d1c21a 100644 (file)
@@ -1,3 +1,208 @@
+2014-02-06  Doug Evans  <xdje42@gmail.com>
+
+       * configure.ac (libpython checking): Remove all but python.o from
+       CONFIG_OBS.  Remove all but python.c from CONFIG_SRCS.
+       * configure: Regenerate.
+
+       * Makefile.in (SFILES): Add extension.c.
+       (HFILES_NO_SRCDIR): Add extension.h, extension-priv.h
+       (COMMON_OBS): Add extension.o.
+       * extension.h: New file.
+       * extension-priv.h: New file.
+       * extension.c: New file.
+
+       * python/python-internal.h: #include "extension.h".
+       (gdbpy_auto_load_enabled): Declare.
+       (gdbpy_apply_val_pretty_printer): Declare.
+       (gdbpy_apply_frame_filter): Declare.
+       (gdbpy_preserve_values): Declare.
+       (gdbpy_breakpoint_cond_says_stop): Declare.
+       (gdbpy_breakpoint_has_cond): Declare.
+       (void source_python_script_for_objfile): Delete.
+       * python/python.c: #include "extension-priv.h".
+       Delete inclusion of "observer.h".
+       (extension_language_python): Moved here and renamed from
+       script_language_python in py-auto-load.c.
+       Redefined to be of type extension_language_defn.
+       (python_extension_script_ops): New global.
+       (python_extension_ops): New global.
+       (struct python_env): New member previous_active.
+       (restore_python_env): Call restore_active_ext_lang.
+       (ensure_python_env): Call set_active_ext_lang.
+       (gdbpy_clear_quit_flag): Renamed from clear_quit_flag, made static.
+       New arg extlang.
+       (gdbpy_set_quit_flag): Renamed from set_quit_flag, made static.
+       New arg extlang.
+       (gdbpy_check_quit_flag): Renamed from check_quit_flag, made static.
+       New arg extlang.
+       (gdbpy_eval_from_control_command): Renamed from
+       eval_python_from_control_command, made static.  New arg extlang.
+       (gdbpy_source_script) Renamed from source_python_script, made static.
+       New arg extlang.
+       (gdbpy_before_prompt_hook): Renamed from before_prompt_hook.  Change
+       result to int.  New arg extlang.
+       (gdbpy_source_objfile_script): Renamed from
+       source_python_script_for_objfile, made static.  New arg extlang.
+       (gdbpy_start_type_printers): Renamed from start_type_printers, made
+       static.  New args extlang, extlang_printers.  Change result type to
+       "void".
+       (gdbpy_apply_type_printers): Renamed from apply_type_printers, made
+       static.  New arg extlang.  Rename arg printers to extlang_printers
+       and change type to ext_lang_type_printers *.
+       (gdbpy_free_type_printers): Renamed from free_type_printers, made
+       static.  Replace argument arg with extlang, extlang_printers.
+       (!HAVE_PYTHON, eval_python_from_control_command): Delete.
+       (!HAVE_PYTHON, source_python_script): Delete.
+       (!HAVE_PYTHON, gdbpy_should_stop): Delete.
+       (!HAVE_PYTHON, gdbpy_breakpoint_has_py_cond): Delete.
+       (!HAVE_PYTHON, start_type_printers): Delete.
+       (!HAVE_PYTHON, apply_type_printers): Delete.
+       (!HAVE_PYTHON, free_type_printers): Delete.
+       (_initialize_python): Delete call to observer_attach_before_prompt.
+       (finalize_python): Set/restore active extension language.
+       (gdbpy_finish_initialization) Renamed from
+       finish_python_initialization, made static.  New arg extlang.
+       (gdbpy_initialized): New function.
+       * python/python.h: #include "extension.h".  Delete #include
+       "value.h", "mi/mi-cmds.h".
+       (extension_language_python): Declare.
+       (GDBPY_AUTO_FILE_NAME): Delete.
+       (enum py_bt_status): Moved to extension.h and renamed to
+       ext_lang_bt_status.
+       (enum frame_filter_flags): Moved to extension.h.
+       (enum py_frame_args): Moved to extension.h and renamed to
+       ext_lang_frame_args.
+       (finish_python_initialization): Delete.
+       (eval_python_from_control_command): Delete.
+       (source_python_script): Delete.
+       (apply_val_pretty_printer): Delete.
+       (apply_frame_filter): Delete.
+       (preserve_python_values): Delete.
+       (gdbpy_script_language_defn): Delete.
+       (gdbpy_should_stop, gdbpy_breakpoint_has_py_cond): Delete.
+       (start_type_printers, apply_type_printers, free_type_printers): Delete.
+
+       * auto-load.c: #include "extension.h".
+       (GDB_AUTO_FILE_NAME): Delete.
+       (auto_load_gdb_scripts_enabled): Make public.  New arg extlang.
+       (script_language_gdb): Delete, moved to extension.c and renamed to
+       extension_language_gdb.
+       (source_gdb_script_for_objfile): Delete.
+       (auto_load_pspace_info): New member unsupported_script_warning_printed.
+       (loaded_script): Change type of language member to
+       struct extension_language_defn *.
+       (init_loaded_scripts_info): Initialize
+       unsupported_script_warning_printed.
+       (maybe_add_script): Make static.  Change type of language arg to
+       struct extension_language_defn *.
+       (clear_section_scripts): Reset unsupported_script_warning_printed.
+       (auto_load_objfile_script_1): Rewrite to use extension language API.
+       (auto_load_objfile_script): Make public.  Remove support-compiled-in
+       and auto-load-enabled checks, moved to auto_load_scripts_for_objfile.
+       (source_section_scripts): Rewrite to use extension language API.
+       (load_auto_scripts_for_objfile): Rewrite to use
+       auto_load_scripts_for_objfile.
+       (collect_matching_scripts_data): Change type of language member to
+       struct extension_language_defn *.
+       (auto_load_info_scripts): Change type of language arg to
+       struct extension_language_defn *.
+       (unsupported_script_warning_print): New function.
+       (script_not_found_warning_print): Make static.
+       (_initialize_auto_load): Rewrite construction of scripts-directory
+       help.
+       * auto-load.h (struct objfile): Add forward decl.
+       (struct script_language): Delete.
+       (struct auto_load_pspace_info): Add forward decl.
+       (struct extension_language_defn): Add forward decl.
+       (maybe_add_script): Delete.
+       (auto_load_objfile_script): Declare.
+       (script_not_found_warning_print): Delete.
+       (auto_load_info_scripts): Update prototype.
+       (auto_load_gdb_scripts_enabled): Declare.
+       * python/py-auto-load.c (gdbpy_auto_load_enabled): Renamed from
+       auto_load_python_scripts_enabled and made public.
+       (script_language_python): Delete, moved to python.c.
+       (gdbpy_script_language_defn): Delete.
+       (info_auto_load_python_scripts): Update to use
+       extension_language_python.
+
+       * breakpoint.c (condition_command): Replace call to
+       gdbpy_breakpoint_has_py_cond with call to get_breakpoint_cond_ext_lang.
+       (bpstat_check_breakpoint_conditions): Replace call to gdbpy_should_stop
+       with call to breakpoint_ext_lang_cond_says_stop.
+       * python/py-breakpoint.c (gdbpy_breakpoint_cond_says_stop): Renamed
+       from gdbpy_should_stop.  Change result type to enum scr_bp_stop.
+       New arg slang.  Return SCR_BP_STOP_UNSET if py_bp_object is NULL.
+       (gdbpy_breakpoint_has_cond): Renamed from gdbpy_breakpoint_has_py_cond.
+       New arg slang.
+       (local_setattro): Print name of extension language with existing
+       stop condition.
+
+       * valprint.c (val_print, value_print): Update to call
+       apply_ext_lang_val_pretty_printer.
+       * cp-valprint.c (cp_print_value): Update call to
+       apply_ext_lang_val_pretty_printer.
+       * python/py-prettyprint.c: Remove #ifdef HAVE_PYTHON.
+       (gdbpy_apply_val_pretty_printer): Renamed from
+       apply_val_pretty_printer.  New arg extlang.
+       (!HAVE_PYTHON, apply_val_pretty_printer): Delete.
+
+       * cli/cli-cmds.c (source_script_from_stream): Rewrite to use
+       extension language API.
+       * cli/cli-script.c (execute_control_command): Update to call
+       eval_ext_lang_from_control_command.
+
+       * mi/mi-cmd-stack.c (mi_cmd_stack_list_frames): Update to use
+       enum ext_lang_bt_status values.  Update call to
+       apply_ext_lang_frame_filter.
+       (mi_cmd_stack_list_locals): Ditto.
+       (mi_cmd_stack_list_args): Ditto.
+       (mi_cmd_stack_list_variables): Ditto.
+       * mi/mi-main.c: Delete #include "python/python-internal.h".
+       Add #include "extension.h".
+       (mi_cmd_list_features): Replace reference to python internal variable
+       gdb_python_initialized with call to ext_lang_initialized_p.
+
+       * stack.c (backtrace_command_1): Update to use enum ext_lang_bt_status.
+       Update to use enum ext_lang_frame_args.  Update to call
+       apply_ext_lang_frame_filter.
+       * python/py-framefilter.c (extract_sym): Update to use enum
+       ext_lang_bt_status.
+       (extract_value, py_print_type, py_print_value): Ditto.
+       (py_print_single_arg, enumerate_args, enumerate_locals): Ditto.
+       (py_mi_print_variables, py_print_locals, py_print_args): Ditto.
+       (py_print_frame): Ditto.
+       (gdbpy_apply_frame_filter): Renamed from apply_frame_filter.
+       New arg extlang.  Update to use enum ext_lang_bt_status.
+
+       * top.c (gdb_init): Delete #ifdef HAVE_PYTHON call to
+       finish_python_initialization.  Replace with call to
+       finish_ext_lang_initialization.
+
+       * typeprint.c (do_free_global_table): Update to call
+       free_ext_lang_type_printers.
+       (create_global_typedef_table): Update to call
+       start_ext_lang_type_printers.
+       (find_global_typedef): Update to call apply_ext_lang_type_printers.
+       * typeprint.h (struct ext_lang_type_printers): Add forward decl.
+       (type_print_options): Change type of global_printers from "void *"
+       to "struct ext_lang_type_printers *".
+
+       * value.c (preserve_values): Update to call preserve_ext_lang_values.
+       * python/py-value.c: Remove #ifdef HAVE_PYTHON.
+       (gdbpy_preserve_values): Renamed from preserve_python_values.
+       New arg extlang.
+       (!HAVE_PYTHON, preserve_python_values): Delete.
+
+       * utils.c (quit_flag): Delete, moved to extension.c.
+       (clear_quit_flag, set_quit_flag, check_quit_flag): Delete, moved to
+       extension.c.
+
+       * eval.c: Delete #include "python/python.h".
+       * main.c: Delete #include "python/python.h".
+
+       * defs.h: Update comment.
+
 2014-02-06  Joel Brobecker  <brobecker@adacore.com>
 
        GDB 7.7 released.
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