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Edit: codegen_main.py
# -*- Mode: Python -*- # coding=utf-8 # GDBus - GLib D-Bus Library # # Copyright (C) 2008-2011 Red Hat, Inc. # Copyright (C) 2018 Iñigo Martínez <inigomartinez@gmail.com> # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2.1 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General # Public License along with this library; if not, see <http://www.gnu.org/licenses/>. # # Author: David Zeuthen <davidz@redhat.com> import argparse import os import sys from . import config from . import dbustypes from . import parser from . import codegen from . import codegen_docbook from .utils import print_error, print_warning def find_arg(arg_list, arg_name): for a in arg_list: if a.name == arg_name: return a return None def find_method(iface, method): for m in iface.methods: if m.name == method: return m return None def find_signal(iface, signal): for m in iface.signals: if m.name == signal: return m return None def find_prop(iface, prop): for m in iface.properties: if m.name == prop: return m return None def apply_annotation(iface_list, iface, method, signal, prop, arg, key, value): iface_obj = None for i in iface_list: if i.name == iface: iface_obj = i break if iface_obj is None: print_error('No interface "{}"'.format(iface)) target_obj = None if method: method_obj = find_method(iface_obj, method) if method_obj is None: print_error('No method "{}" on interface "{}"'.format(method, iface)) if arg: arg_obj = find_arg(method_obj.in_args, arg) if arg_obj is None: arg_obj = find_arg(method_obj.out_args, arg) if arg_obj is None: print_error( 'No arg "{}" on method "{}" on interface "{}"'.format( arg, method, iface ) ) target_obj = arg_obj else: target_obj = method_obj elif signal: signal_obj = find_signal(iface_obj, signal) if signal_obj is None: print_error('No signal "{}" on interface "{}"'.format(signal, iface)) if arg: arg_obj = find_arg(signal_obj.args, arg) if arg_obj is None: print_error( 'No arg "{}" on signal "{}" on interface "{}"'.format( arg, signal, iface ) ) target_obj = arg_obj else: target_obj = signal_obj elif prop: prop_obj = find_prop(iface_obj, prop) if prop_obj is None: print_error('No property "{}" on interface "{}"'.format(prop, iface)) target_obj = prop_obj else: target_obj = iface_obj target_obj.annotations.insert(0, dbustypes.Annotation(key, value)) def apply_annotations(iface_list, annotation_list): # apply annotations given on the command line for (what, key, value) in annotation_list: pos = what.find("::") if pos != -1: # signal iface = what[0:pos] signal = what[pos + 2 :] pos = signal.find("[") if pos != -1: arg = signal[pos + 1 :] signal = signal[0:pos] pos = arg.find("]") arg = arg[0:pos] apply_annotation(iface_list, iface, None, signal, None, arg, key, value) else: apply_annotation( iface_list, iface, None, signal, None, None, key, value ) else: pos = what.find(":") if pos != -1: # property iface = what[0:pos] prop = what[pos + 1 :] apply_annotation(iface_list, iface, None, None, prop, None, key, value) else: pos = what.find("()") if pos != -1: # method combined = what[0:pos] pos = combined.rfind(".") iface = combined[0:pos] method = combined[pos + 1 :] pos = what.find("[") if pos != -1: arg = what[pos + 1 :] pos = arg.find("]") arg = arg[0:pos] apply_annotation( iface_list, iface, method, None, None, arg, key, value ) else: apply_annotation( iface_list, iface, method, None, None, None, key, value ) else: # must be an interface iface = what apply_annotation( iface_list, iface, None, None, None, None, key, value ) def codegen_main(): arg_parser = argparse.ArgumentParser( description="D-Bus code and documentation generator" ) arg_parser.add_argument( "files", metavar="FILE", nargs="+", help="D-Bus introspection XML file" ) arg_parser.add_argument( "--xml-files", metavar="FILE", action="append", default=[], help=argparse.SUPPRESS, ) arg_parser.add_argument( "--interface-prefix", metavar="PREFIX", default="", help="String to strip from D-Bus interface names for code and docs", ) arg_parser.add_argument( "--c-namespace", metavar="NAMESPACE", default="", help="The namespace to use for generated C code", ) arg_parser.add_argument( "--c-generate-object-manager", action="store_true", help="Generate a GDBusObjectManagerClient subclass when generating C code", ) arg_parser.add_argument( "--c-generate-autocleanup", choices=["none", "objects", "all"], default="objects", help="Generate autocleanup support", ) arg_parser.add_argument( "--generate-docbook", metavar="OUTFILES", help="Generate Docbook in OUTFILES-org.Project.IFace.xml", ) arg_parser.add_argument( "--pragma-once", action="store_true", help='Use "pragma once" as the inclusion guard', ) arg_parser.add_argument( "--annotate", nargs=3, action="append", metavar="WHAT KEY VALUE", help="Add annotation (may be used several times)", ) arg_parser.add_argument( "--glib-min-required", metavar="VERSION", help="Minimum version of GLib to be supported by the outputted code " "(default: 2.30)", ) arg_parser.add_argument( "--glib-max-allowed", metavar="VERSION", help="Maximum version of GLib to be used by the outputted code " "(default: current GLib version)", ) arg_parser.add_argument( "--symbol-decorator", help="Macro used to decorate a symbol in the outputted header, " "possibly to export symbols", ) arg_parser.add_argument( "--symbol-decorator-header", help="Additional header required for decorator specified by " "--symbol-decorator", ) arg_parser.add_argument( "--symbol-decorator-define", help="Additional define required for decorator specified by " "--symbol-decorator", ) group = arg_parser.add_mutually_exclusive_group() group.add_argument( "--generate-c-code", metavar="OUTFILES", help="Generate C code in OUTFILES.[ch]" ) group.add_argument("--header", action="store_true", help="Generate C headers") group.add_argument("--body", action="store_true", help="Generate C code") group.add_argument( "--interface-info-header", action="store_true", help="Generate GDBusInterfaceInfo C header", ) group.add_argument( "--interface-info-body", action="store_true", help="Generate GDBusInterfaceInfo C code", ) group = arg_parser.add_mutually_exclusive_group() group.add_argument( "--output", metavar="FILE", help="Write output into the specified file" ) group.add_argument( "--output-directory", metavar="OUTDIR", default="", help="Location to output generated files", ) args = arg_parser.parse_args() if len(args.xml_files) > 0: print_warning( 'The "--xml-files" option is deprecated; use positional arguments instead' ) if ( args.generate_c_code is not None or args.generate_docbook is not None ) and args.output is not None: print_error( "Using --generate-c-code or --generate-docbook and " "--output at the same time is not allowed" ) if args.generate_c_code: header_name = args.generate_c_code + ".h" h_file = os.path.join(args.output_directory, header_name) args.header = True c_file = os.path.join(args.output_directory, args.generate_c_code + ".c") args.body = True elif args.header: if args.output is None: print_error("Using --header requires --output") h_file = args.output header_name = os.path.basename(h_file) elif args.body: if args.output is None: print_error("Using --body requires --output") c_file = args.output header_name = os.path.splitext(os.path.basename(c_file))[0] + ".h" elif args.interface_info_header: if args.output is None: print_error("Using --interface-info-header requires --output") if args.c_generate_object_manager: print_error( "--c-generate-object-manager is incompatible with " "--interface-info-header" ) h_file = args.output header_name = os.path.basename(h_file) elif args.interface_info_body: if args.output is None: print_error("Using --interface-info-body requires --output") if args.c_generate_object_manager: print_error( "--c-generate-object-manager is incompatible with " "--interface-info-body" ) c_file = args.output header_name = os.path.splitext(os.path.basename(c_file))[0] + ".h" # Check the minimum GLib version. The minimum --glib-min-required is 2.30, # because that’s when gdbus-codegen was introduced. Support 1, 2 or 3 # component versions, but ignore the micro component if it’s present. if args.glib_min_required: try: parts = args.glib_min_required.split(".", 3) glib_min_required = (int(parts[0]), int(parts[1] if len(parts) > 1 else 0)) # Ignore micro component, but still validate it: _ = int(parts[2] if len(parts) > 2 else 0) # noqa: F841 except (ValueError, IndexError): print_error( "Unrecognized --glib-min-required string ‘{}’".format( args.glib_min_required ) ) if glib_min_required < (2, 30): print_error( "Invalid --glib-min-required string ‘{}’: minimum " "version is 2.30".format(args.glib_min_required) ) else: glib_min_required = (2, 30) # And the maximum GLib version. if args.glib_max_allowed: try: parts = args.glib_max_allowed.split(".", 3) glib_max_allowed = (int(parts[0]), int(parts[1] if len(parts) > 1 else 0)) # Ignore micro component, but still validate it: _ = int(parts[2] if len(parts) > 2 else 0) # noqa: F841 except (ValueError, IndexError): print_error( "Unrecognized --glib-max-allowed string ‘{}’".format( args.glib_max_allowed ) ) else: glib_max_allowed = (config.MAJOR_VERSION, config.MINOR_VERSION) # Only allow --symbol-decorator-define and --symbol-decorator-header if # --symbol-decorator is used if args.symbol_decorator is None: if args.symbol_decorator_header or args.symbol_decorator_define: print_error( "--symbol-decorator-define and --symbol-decorator-header must " "be used with --symbol-decorator" ) # Round --glib-max-allowed up to the next stable release. glib_max_allowed = ( glib_max_allowed[0], glib_max_allowed[1] + (glib_max_allowed[1] % 2), ) if glib_max_allowed < glib_min_required: print_error( "Invalid versions: --glib-min-required ({}) must be " "less than or equal to --glib-max-allowed ({})".format( glib_min_required, glib_max_allowed ) ) all_ifaces = [] input_files_basenames = [] for fname in sorted(args.files + args.xml_files): with open(fname, "rb") as f: xml_data = f.read() parsed_ifaces = parser.parse_dbus_xml( xml_data, h_type_implies_unix_fd=(glib_min_required >= (2, 64)) ) all_ifaces.extend(parsed_ifaces) input_files_basenames.append(os.path.basename(fname)) if args.annotate is not None: apply_annotations(all_ifaces, args.annotate) for i in all_ifaces: i.post_process(args.interface_prefix, args.c_namespace) docbook = args.generate_docbook docbook_gen = codegen_docbook.DocbookCodeGenerator(all_ifaces) if docbook: docbook_gen.generate(docbook, args.output_directory) if args.header: with open(h_file, "w") as outfile: gen = codegen.HeaderCodeGenerator( all_ifaces, args.c_namespace, args.c_generate_object_manager, args.c_generate_autocleanup, header_name, input_files_basenames, args.pragma_once, glib_min_required, args.symbol_decorator, args.symbol_decorator_header, outfile, ) gen.generate() if args.body: with open(c_file, "w") as outfile: gen = codegen.CodeGenerator( all_ifaces, args.c_namespace, args.c_generate_object_manager, header_name, input_files_basenames, docbook_gen, glib_min_required, args.symbol_decorator_define, outfile, ) gen.generate() if args.interface_info_header: with open(h_file, "w") as outfile: gen = codegen.InterfaceInfoHeaderCodeGenerator( all_ifaces, args.c_namespace, header_name, input_files_basenames, args.pragma_once, glib_min_required, args.symbol_decorator, args.symbol_decorator_header, outfile, ) gen.generate() if args.interface_info_body: with open(c_file, "w") as outfile: gen = codegen.InterfaceInfoBodyCodeGenerator( all_ifaces, args.c_namespace, header_name, input_files_basenames, glib_min_required, args.symbol_decorator_define, outfile, ) gen.generate() sys.exit(0) if __name__ == "__main__": codegen_main()