1 #!/usr/bin/env python 2 3 """ 4 Module abstractions. 5 6 Copyright (C) 2007, 2008, 2009, 2010, 2011, 2012, 2013, 7 2014, 2015, 2016 Paul Boddie <paul@boddie.org.uk> 8 9 This program is free software; you can redistribute it and/or modify it under 10 the terms of the GNU General Public License as published by the Free Software 11 Foundation; either version 3 of the License, or (at your option) any later 12 version. 13 14 This program is distributed in the hope that it will be useful, but WITHOUT 15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 16 FOR A PARTICULAR PURPOSE. See the GNU General Public License for more 17 details. 18 19 You should have received a copy of the GNU General Public License along with 20 this program. If not, see <http://www.gnu.org/licenses/>. 21 """ 22 23 from common import get_builtin_module, init_item, remove_items, CommonModule 24 from encoders import decode_modifier_term, decode_usage, encode_modifiers, encode_usage 25 from referencing import decode_reference, Reference 26 from results import ResolvedNameRef 27 import sys 28 29 class BasicModule(CommonModule): 30 31 "The basic module information." 32 33 def __init__(self, name, importer): 34 CommonModule.__init__(self, name, importer) 35 36 # Import details, primarily for cache output. 37 38 self.imports = set() 39 self.required = set() 40 self.deferred = [] 41 42 # Global name information. 43 44 self.objects = {} 45 self.special = {} 46 47 # Class relationships. 48 49 self.classes = {} 50 51 # Attributes. 52 53 self.class_attrs = {} 54 self.instance_attrs = {} 55 self.instance_attr_constants = {} 56 self.module_attrs = set() 57 58 # Names used in each namespace. 59 60 self.names_used = {} 61 62 # Function details. 63 64 self.function_parameters = {} 65 self.function_defaults = {} 66 self.function_locals = {} 67 self.scope_globals = {} 68 69 # Invocation details. 70 71 self.function_targets = {} 72 self.function_arguments = {} 73 74 # Attribute usage at module and function levels. 75 76 self.attr_usage = {} 77 self.name_initialisers = {} 78 79 # General attribute access expressions. 80 81 self.attr_accesses = {} 82 self.const_accesses = {} 83 84 # Attribute accessor definition details. 85 86 self.attr_accessors = {} 87 88 # Assignment details for accesses. 89 90 self.attr_access_modifiers = {} 91 92 # Name resolution details. 93 94 self.name_references = {} # references to globals 95 96 # Initialisation-related details. 97 98 self.initialised_names = {} 99 self.aliased_names = {} 100 101 def __repr__(self): 102 return "BasicModule(%r, %r)" % (self.name, self.importer) 103 104 # Derived information methods. 105 106 def propagate(self): 107 108 "Finalise and propagate module information." 109 110 self.propagate_attrs() 111 self.propagate_name_references() 112 self.propagate_attr_accesses() 113 self.propagate_constants() 114 115 def unpropagate(self): 116 117 """ 118 Retract information from the importer including information about this 119 module derived by the importer. 120 """ 121 122 del self.importer.all_module_attrs[self.name] 123 124 for name in self.classes.keys(): 125 del self.importer.classes[name] 126 del self.importer.all_class_attrs[name] 127 del self.importer.all_instance_attrs[name] 128 del self.importer.all_instance_attr_constants[name] 129 130 for name, bases in self.classes.items(): 131 for base in bases: 132 133 # Get the identity of the class from the reference. 134 135 base = base.get_origin() 136 137 try: 138 self.importer.subclasses[base].remove(name) 139 except (KeyError, ValueError): 140 pass 141 142 remove_items(self.importer.all_name_references, self.name_references) 143 remove_items(self.importer.all_initialised_names, self.initialised_names) 144 remove_items(self.importer.all_aliased_names, self.aliased_names) 145 remove_items(self.importer.all_attr_accesses, self.attr_accesses) 146 remove_items(self.importer.all_const_accesses, self.const_accesses) 147 remove_items(self.importer.all_attr_access_modifiers, self.attr_access_modifiers) 148 remove_items(self.importer.all_constants, self.constants) 149 remove_items(self.importer.all_constant_values, self.constant_values) 150 151 # Remove this module's objects from the importer. Objects are 152 # automatically propagated when defined. 153 154 ref = self.importer.objects.get(self.name) 155 if ref and ref.has_kind("<module>"): 156 del self.importer.objects[self.name] 157 158 for name, ref in self.objects.items(): 159 if not ref.has_kind("<module>"): 160 del self.importer.objects[name] 161 162 def collect(self): 163 164 "Collect removed objects." 165 166 for name, ref in self.objects.items(): 167 if not self.importer.objects.has_key(ref.get_origin()) and self.importer.objects.has_key(name): 168 del self.importer.objects[name] 169 170 def propagate_attrs(self): 171 172 "Derive attributes from the class and module member details." 173 174 # Initialise class attribute records for all classes. 175 176 for name in self.classes.keys(): 177 self.importer.all_class_attrs[name] = self.class_attrs[name] = {} 178 179 # Separate the objects into module and class attributes. 180 181 for name in self.objects.keys(): 182 if "." in name: 183 parent, attrname = name.rsplit(".", 1) 184 if self.classes.has_key(parent): 185 self.class_attrs[parent][attrname] = name 186 elif parent == self.name: 187 self.module_attrs.add(attrname) 188 189 # Propagate the module attributes. 190 191 self.importer.all_module_attrs[self.name] = self.module_attrs 192 193 def propagate_name_references(self): 194 195 "Propagate name references for the module." 196 197 self.importer.all_initialised_names.update(self.initialised_names) 198 self.importer.all_aliased_names.update(self.aliased_names) 199 200 def propagate_attr_accesses(self): 201 202 "Propagate attribute accesses for the module." 203 204 self.importer.all_attr_accesses.update(self.attr_accesses) 205 self.importer.all_const_accesses.update(self.const_accesses) 206 self.importer.all_attr_access_modifiers.update(self.attr_access_modifiers) 207 208 def propagate_constants(self): 209 210 "Propagate constant values and aliases for the module." 211 212 self.importer.all_constants.update(self.constants) 213 self.importer.all_constant_values.update(self.constant_values) 214 215 for name in self.classes.keys(): 216 self.importer.all_instance_attrs[name] = self.instance_attrs.get(name) or {} 217 self.importer.all_instance_attr_constants[name] = self.instance_attr_constants.get(name) or {} 218 219 def set_object(self, name, value=None): 220 221 "Set an object with the given 'name' and the given 'value'." 222 223 # Decode any string value, with a new reference being returned even 224 # given a provided reference. 225 226 ref = decode_reference(value, name) 227 self.add_deferred(ref) 228 self._set_object(name, ref) 229 230 def _set_object(self, name, ref): 231 232 # Determine how the object properties will be defined. 233 234 multiple = self.objects.has_key(name) and self.objects[name] != ref 235 self.importer.objects[name] = self.objects[name] = multiple and ref.as_var() or ref 236 237 def queue_module(self, name, required=False): 238 239 """ 240 Queue the module with the given 'name'. If 'required' is true (it is 241 false by default), indicate that the module is required in the final 242 program. 243 """ 244 245 self.importer.queue_module(name, self, required) 246 if required: 247 self.required.add(name) 248 self.imports.add(name) 249 250 class InspectionNaming: 251 252 "Name operations related to inspection." 253 254 # Module-relative naming. 255 256 def is_global(self, name): 257 258 """ 259 Return whether 'name' is registered as a global in the current 260 namespace. 261 """ 262 263 path = self.get_namespace_path() 264 return name in self.scope_globals.get(path, []) 265 266 def get_global(self, name): 267 268 """ 269 Get the global of the given 'name' from this module, returning a 270 reference incorporating the original definition details. 271 """ 272 273 path = self.get_global_path(name) 274 return self.objects.get(path) 275 276 # Name definition discovery. 277 278 def get_global_or_builtin(self, name): 279 280 """ 281 Return a reference for the given 'name' found in this module or in the 282 __builtins__. 283 """ 284 285 return self.get_global(name) or self.get_builtin(name) 286 287 def get_builtin(self, name): 288 289 "Return a reference to the built-in with the given 'name'." 290 291 self.queue_module("__builtins__") 292 ref = Reference("<depends>", "__builtins__.%s" % name) 293 self.deferred.append(ref) 294 return ref 295 296 def get_builtin_class(self, name): 297 298 "Return a reference to the actual object providing 'name'." 299 300 # NOTE: This makes assumptions about the __builtins__ structure. 301 302 modname = get_builtin_module(name) 303 module_name = "__builtins__.%s" % modname 304 305 if self.name != module_name: 306 self.queue_module(module_name, True) 307 308 return Reference("<class>", "__builtins__.%s.%s" % (modname, name)) 309 310 def get_object(self, path, defer=True): 311 312 """ 313 Get the details of an object with the given 'path'. Where the object 314 cannot be resolved, an unresolved reference is returned if 'defer' is 315 set to a true value (the default). Otherwise, None is returned. 316 """ 317 318 if self.objects.has_key(path): 319 return self.objects[path] 320 elif defer: 321 ref = Reference("<depends>", path) 322 self.deferred.append(ref) 323 return ref 324 else: 325 return None 326 327 def import_name_from_module(self, name, module_name): 328 329 "Import 'name' from the module having the given 'module_name'." 330 331 if module_name != self.name: 332 self.queue_module(module_name) 333 ref = Reference("<depends>", "%s.%s" % (module_name, name)) 334 self.deferred.append(ref) 335 return ref 336 337 def add_deferred(self, ref): 338 339 "Record 'ref' as a deferred reference." 340 341 if ref.has_kind("<depends>"): 342 self.deferred.append(ref) 343 344 class CachedModule(BasicModule): 345 346 "A cached module." 347 348 def __repr__(self): 349 return "CachedModule(%r, %r)" % (self.name, self.importer) 350 351 def set_object(self, name, value=None): 352 353 "Set an object with the given 'name' and the given 'value'." 354 355 # Decode any string value, with a new reference being returned even 356 # given a provided reference. 357 358 ref = decode_reference(value, name) 359 self._set_object(name, ref) 360 361 def to_cache(self, filename): 362 363 "Not actually writing the module back to 'filename'." 364 365 pass 366 367 def from_cache(self, filename): 368 369 """ 370 Read a module's details from the file with the given 'filename' as 371 described in the to_cache method of InspectedModule. 372 """ 373 374 f = open(filename) 375 try: 376 self.filename = f.readline().rstrip() 377 378 f.readline() # (empty line) 379 380 self._get_imports(f) 381 self._get_deferred(f) 382 self._get_special(f) 383 self._get_members(f) 384 self._get_class_relationships(f) 385 self._get_instance_attrs(f) 386 self._get_instance_attr_constants(f) 387 self.from_lines(f, self.names_used) # "names used:" 388 self._get_name_references(f) 389 self._get_initialised_names(f) 390 self._get_aliased_names(f) 391 self._get_function_parameters(f) 392 self._get_function_defaults(f) 393 self._get_function_locals(f) 394 self.from_lines(f, self.scope_globals) # "scope globals:" 395 self._get_function_targets(f) 396 self._get_function_arguments(f) 397 self._get_attribute_usage(f) 398 self._get_attr_accesses(f) 399 self._get_const_accesses(f) 400 self._get_attr_accessors(f) 401 self._get_attr_access_modifiers(f) 402 self._get_constant_literals(f) 403 self._get_constant_values(f) 404 405 finally: 406 f.close() 407 408 def complete(self): 409 self.propagate() 410 411 def _get_imports(self, f): 412 f.readline() # "imports:" 413 line = f.readline().strip() 414 self.required = line != "{}" and set(line.split(", ")) or set() 415 line = f.readline().strip() 416 self.imports = line != "{}" and set(line.split(", ")) or set() 417 f.readline() 418 419 for name in self.required: 420 self.queue_module(name, True) 421 for name in self.imports: 422 self.queue_module(name) 423 424 def _get_deferred(self, f): 425 f.readline() # "deferred:" 426 line = f.readline().rstrip() 427 self.deferred = map(decode_reference, line.split(" ")) 428 f.readline() 429 430 def _get_special(self, f): 431 f.readline() # "special:" 432 line = f.readline().rstrip() 433 while line: 434 name, ref = line.split(" ", 1) 435 self.special[name] = decode_reference(ref) 436 line = f.readline().rstrip() 437 438 def _get_members(self, f): 439 f.readline() # "members:" 440 line = f.readline().rstrip() 441 while line: 442 name, ref = line.split(" ", 1) 443 self.set_object(name, ref) 444 line = f.readline().rstrip() 445 446 def _get_class_relationships(self, f): 447 f.readline() # "class relationships:" 448 line = f.readline().rstrip() 449 while line: 450 name, value = self._get_fields(line) 451 values = value and value.split(", ") or [] 452 self.importer.classes[name] = self.classes[name] = map(decode_reference, values) 453 self.importer.subclasses[name] = set() 454 line = f.readline().rstrip() 455 456 def _get_instance_attrs(self, f): 457 f.readline() # "instance attributes:" 458 line = f.readline().rstrip() 459 while line: 460 name, value = self._get_fields(line) 461 self.importer.all_instance_attrs[name] = self.instance_attrs[name] = set(value and value.split(", ") or []) 462 line = f.readline().rstrip() 463 464 def _get_instance_attr_constants(self, f): 465 f.readline() # "instance attribute constants:" 466 line = f.readline().rstrip() 467 while line: 468 name, attrname, ref = self._get_fields(line, 3) 469 init_item(self.instance_attr_constants, name, dict) 470 self.instance_attr_constants[name][attrname] = decode_reference(ref) 471 line = f.readline().rstrip() 472 473 def _get_name_references(self, f): 474 f.readline() # "name references:" 475 line = f.readline().rstrip() 476 while line: 477 name, ref = self._get_fields(line) 478 self.importer.all_name_references[name] = self.name_references[name] = decode_reference(ref) 479 line = f.readline().rstrip() 480 481 def _get_initialised_names(self, f): 482 f.readline() # "initialised names:" 483 line = f.readline().rstrip() 484 while line: 485 name, version, value = self._get_fields(line, 3) 486 init_item(self.initialised_names, name, dict) 487 self.initialised_names[name][int(version)] = decode_reference(value) 488 line = f.readline().rstrip() 489 490 def _get_aliased_names(self, f): 491 f.readline() # "aliased names:" 492 line = f.readline().rstrip() 493 while line: 494 name, version, original_name, attrnames, number = self._get_fields(line, 5) 495 init_item(self.aliased_names, name, dict) 496 if number == "{}": number = None 497 else: number = int(number) 498 self.aliased_names[name][int(version)] = (original_name, attrnames != "{}" and attrnames or None, number) 499 line = f.readline().rstrip() 500 501 def _get_function_parameters(self, f): 502 f.readline() # "function parameters:" 503 line = f.readline().rstrip() 504 while line: 505 function, names = self._get_fields(line) 506 self.importer.function_parameters[function] = \ 507 self.function_parameters[function] = names != "{}" and names.split(", ") or [] 508 line = f.readline().rstrip() 509 510 def _get_function_defaults(self, f): 511 f.readline() # "function default parameters:" 512 line = f.readline().rstrip() 513 while line: 514 function, defaults = self._get_fields(line) 515 self.importer.function_defaults[function] = \ 516 self.function_defaults[function] = l = [] 517 if defaults != "{}": 518 for value in defaults.split(", "): 519 name, default = value.split("=") 520 default = decode_reference(default) 521 l.append((name, default)) 522 line = f.readline().rstrip() 523 524 def _get_function_locals(self, f): 525 f.readline() # "function locals:" 526 line = f.readline().rstrip() 527 while line: 528 function, name, value = self._get_fields(line, 3) 529 init_item(self.function_locals, function, dict) 530 init_item(self.importer.function_locals, function, dict) 531 if name != "{}": 532 self.importer.function_locals[function][name] = \ 533 self.function_locals[function][name] = decode_reference(value) 534 line = f.readline().rstrip() 535 536 def _get_function_targets(self, f): 537 f.readline() # "function targets:" 538 line = f.readline().rstrip() 539 while line: 540 function, n = self._get_fields(line) 541 self.importer.function_targets[function] = \ 542 self.function_targets[function] = int(n) 543 line = f.readline().rstrip() 544 545 def _get_function_arguments(self, f): 546 f.readline() # "function arguments:" 547 line = f.readline().rstrip() 548 while line: 549 function, n = self._get_fields(line) 550 self.importer.function_arguments[function] = \ 551 self.function_arguments[function] = int(n) 552 line = f.readline().rstrip() 553 554 def _get_attribute_usage(self, f): 555 f.readline() # "attribute usage:" 556 line = f.readline().rstrip() 557 while line: 558 unit, value = self._get_fields(line) 559 init_item(self.attr_usage, unit, dict) 560 self.usage_from_cache(value, self.attr_usage[unit]) 561 line = f.readline().rstrip() 562 563 def _get_attr_accesses(self, f): 564 f.readline() # "attribute accesses:" 565 line = f.readline().rstrip() 566 while line: 567 name, value = self._get_fields(line) 568 self.attr_accesses[name] = set(value.split(", ")) 569 line = f.readline().rstrip() 570 571 def _get_const_accesses(self, f): 572 f.readline() # "constant accesses:" 573 line = f.readline().rstrip() 574 while line: 575 name, original_name, attrnames, objpath, ref, remaining = self._get_fields(line, 6) 576 if attrnames == "{}": attrnames = None 577 init_item(self.const_accesses, name, dict) 578 self.const_accesses[name][(original_name, attrnames)] = (objpath, decode_reference(ref), remaining != "{}" and remaining or "") 579 line = f.readline().rstrip() 580 581 def _get_attr_accessors(self, f): 582 f.readline() # "attribute access usage:" 583 line = f.readline().rstrip() 584 while line: 585 objpath, name, attrname, value = self._get_fields(line, 4) 586 if attrname == "{}": attrname = None 587 access = name, attrname 588 init_item(self.attr_accessors, objpath, dict) 589 init_item(self.attr_accessors[objpath], access, list) 590 positions = map(int, value.split(", ")) 591 self.attr_accessors[objpath][access].append(positions) 592 line = f.readline().rstrip() 593 594 def _get_attr_access_modifiers(self, f): 595 f.readline() # "attribute access modifiers:" 596 line = f.readline().rstrip() 597 while line: 598 objpath, name, attrnames, value = self._get_fields(line, 4) 599 if name == "{}": name = None 600 if attrnames == "{}": attrnames = None 601 access = name, attrnames 602 init_item(self.attr_access_modifiers, objpath, dict) 603 init_item(self.attr_access_modifiers[objpath], access, list) 604 modifiers = [decode_modifier_term(s) for s in value] 605 self.attr_access_modifiers[objpath][access] = modifiers 606 line = f.readline().rstrip() 607 608 def _get_constant_literals(self, f): 609 f.readline() # "constant literals:" 610 line = f.readline().rstrip() 611 last_path = None 612 n = None 613 while line: 614 path, constant = self._get_fields(line) 615 if path != last_path: 616 n = 0 617 last_path = path 618 else: 619 n += 1 620 init_item(self.constants, path, dict) 621 self.constants[path][eval(constant)] = n 622 line = f.readline().rstrip() 623 624 def _get_constant_values(self, f): 625 f.readline() # "constant values:" 626 line = f.readline().rstrip() 627 while line: 628 name, value_type, value = self._get_fields(line, 3) 629 self.constant_values[name] = eval(value), value_type 630 line = f.readline().rstrip() 631 632 # Generic parsing methods. 633 634 def from_lines(self, f, d): 635 636 "Read lines from 'f', populating 'd'." 637 638 f.readline() # section heading 639 line = f.readline().rstrip() 640 while line: 641 name, value = self._get_fields(line) 642 d[name] = set(value and value.split(", ") or []) 643 line = f.readline().rstrip() 644 645 def usage_from_cache(self, value, mapping): 646 647 """ 648 Interpret the given 'value' containing name and usage information, 649 storing the information in the given 'mapping'. 650 """ 651 652 local, usage = self._get_fields(value) 653 init_item(mapping, local, list) 654 self._usage_from_cache(mapping[local], usage) 655 656 def _usage_from_cache(self, d, usage): 657 658 # Interpret descriptions of each version of the name. 659 660 all_usages = set() 661 for attrnames in usage.split("; "): 662 if attrnames == "{}": 663 all_attrnames = () 664 else: 665 all_attrnames = decode_usage(attrnames) 666 all_usages.add(all_attrnames) 667 668 d.append(all_usages) 669 670 def _get_fields(self, s, n=2): 671 result = s.split(" ", n-1) 672 if len(result) == n: 673 return result 674 else: 675 return tuple(result) + tuple([""] * (n - len(result))) 676 677 class CacheWritingModule: 678 679 """ 680 A mix-in providing cache-writing support, to be combined with BasicModule. 681 """ 682 683 def to_cache(self, filename): 684 685 """ 686 Write a cached representation of the inspected module with the following 687 format to the file having the given 'filename': 688 689 filename 690 (empty line) 691 "imports:" 692 required module names 693 possibly required module names 694 "deferred:" 695 deferred references 696 "special:" 697 zero or more: special name " " reference 698 (empty line) 699 "members:" 700 zero or more: qualified name " " reference 701 (empty line) 702 "class relationships:" 703 zero or more: qualified class name " " base class references 704 (empty line) 705 "instance attributes:" 706 zero or more: qualified class name " " instance attribute names 707 (empty line) 708 "instance attribute constants:" 709 zero or more: qualified class name " " attribute name " " reference 710 (empty line) 711 "names used:" 712 zero or more: qualified class/function/module name " " names 713 (empty line) 714 "names missing:" 715 zero or more: qualified class/function/module name " " names 716 (empty line) 717 "name references:" 718 zero or more: qualified name " " reference 719 (empty line) 720 "initialised names:" 721 zero or more: qualified name " " definition version " " reference 722 (empty line) 723 "aliased names:" 724 zero or more: qualified name " " definition version " " original name " " attribute names " " access number 725 (empty line) 726 "function parameters:" 727 zero or more: qualified function name " " parameter names 728 (empty line) 729 "function default parameters:" 730 zero or more: qualified function name " " parameter names with defaults 731 (empty line) 732 "function locals:" 733 zero or more: qualified function name " " local variable name " " reference 734 (empty line) 735 "scope globals:" 736 zero or more: qualified function name " " global variable names 737 (empty line) 738 "function targets:" 739 zero or more: qualified function name " " maximum number of targets allocated 740 (empty line) 741 "function arguments:" 742 zero or more: qualified function name " " maximum number of arguments allocated 743 (empty line) 744 "attribute usage:" 745 zero or more: qualified scope name " " local/global/qualified variable name " " usages 746 (empty line) 747 "attribute accesses:" 748 zero or more: qualified scope name " " attribute-chains 749 (empty line) 750 "constant accesses:" 751 zero or more: qualified function name " " attribute-chain " " reference " " remaining attribute-chain 752 (empty line) 753 "attribute access usage:" 754 zero or more: qualified function name " " local/global variable name " " attribute name " " definition versions 755 (empty line) 756 "attribute access modifiers:" 757 zero or more: qualified function name " " local/global variable name " " attribute name " " access modifiers 758 "constant literals:" 759 zero or more: qualified scope name " " constant literal 760 "constant values:" 761 zero or more: qualified name " " value type " " constant literal 762 763 All collections of names are separated by ", " characters. 764 765 References can be "<var>", a module name, or one of "<class>" or 766 "<function>" followed optionally by a ":" character and a qualified 767 name. 768 769 Parameter names with defaults are separated by ", " characters, with 770 each name followed by "=" and then followed by a reference. If "{}" is 771 indicated, no defaults are defined for the function. Similarly, function 772 locals may be indicated as "{}" meaning that there are no locals. 773 774 All usages (attribute usage sets) are separated by "; " characters, with 775 the special string "{}" representing an empty set. 776 777 Each usage is a collection of names separated by ", " characters, with 778 invoked attribute names suffixed with a "!" character. 779 780 Definition versions are separated by ", " characters and indicate the 781 name definition version associated with the access. 782 783 Access modifiers are separated by ", " characters and indicate features 784 of each access, with multiple accesses described on a single line. 785 """ 786 787 f = open(filename, "w") 788 try: 789 print >>f, self.filename 790 791 print >>f 792 print >>f, "imports:" 793 required = list(self.required) 794 required.sort() 795 print >>f, required and ", ".join(required) or "{}" 796 imports = list(self.imports) 797 imports.sort() 798 print >>f, imports and ", ".join(imports) or "{}" 799 800 print >>f 801 print >>f, "deferred:" 802 print >>f, " ".join(map(str, self.deferred)) 803 804 print >>f 805 print >>f, "special:" 806 names = self.special.keys() 807 names.sort() 808 for name in names: 809 print >>f, name, self.special[name] 810 811 print >>f 812 print >>f, "members:" 813 objects = self.objects.keys() 814 objects.sort() 815 for name in objects: 816 print >>f, name, self.objects[name] 817 818 print >>f 819 print >>f, "class relationships:" 820 classes = self.classes.keys() 821 classes.sort() 822 for class_ in classes: 823 bases = self.classes[class_] 824 if bases: 825 print >>f, class_, ", ".join(map(str, bases)) 826 else: 827 print >>f, class_ 828 829 self.to_lines(f, "instance attributes:", self.instance_attrs) 830 831 print >>f 832 print >>f, "instance attribute constants:" 833 classes = self.instance_attr_constants.items() 834 classes.sort() 835 for name, attrs in classes: 836 attrs = attrs.items() 837 attrs.sort() 838 for attrname, ref in attrs: 839 print >>f, name, attrname, ref 840 841 self.to_lines(f, "names used:", self.names_used) 842 843 print >>f 844 print >>f, "name references:" 845 refs = self.name_references.items() 846 refs.sort() 847 for name, ref in refs: 848 print >>f, name, ref 849 850 print >>f 851 print >>f, "initialised names:" 852 assignments = self.initialised_names.items() 853 assignments.sort() 854 for name, refs in assignments: 855 versions = refs.items() 856 versions.sort() 857 for version, ref in versions: 858 print >>f, name, version, ref 859 860 print >>f 861 print >>f, "aliased names:" 862 assignments = self.aliased_names.items() 863 assignments.sort() 864 for name, aliases in assignments: 865 versions = aliases.items() 866 versions.sort() 867 for version, alias in versions: 868 original_name, attrnames, number = alias 869 print >>f, name, version, original_name, attrnames or "{}", number is None and "{}" or number 870 871 print >>f 872 print >>f, "function parameters:" 873 functions = self.function_parameters.keys() 874 functions.sort() 875 for function in functions: 876 parameters = self.function_parameters[function] 877 if parameters: 878 print >>f, function, ", ".join(parameters) 879 else: 880 print >>f, function, "{}" 881 882 print >>f 883 print >>f, "function default parameters:" 884 functions = self.function_defaults.keys() 885 functions.sort() 886 for function in functions: 887 parameters = self.function_defaults[function] 888 if parameters: 889 print >>f, function, ", ".join([("%s=%s" % (name, default)) for (name, default) in parameters]) 890 else: 891 print >>f, function, "{}" 892 893 print >>f 894 print >>f, "function locals:" 895 functions = self.function_locals.keys() 896 functions.sort() 897 for function in functions: 898 names = self.function_locals[function].items() 899 if names: 900 names.sort() 901 for name, value in names: 902 print >>f, function, name, value 903 else: 904 print >>f, function, "{}" 905 906 self.to_lines(f, "scope globals:", self.scope_globals) 907 908 print >>f 909 print >>f, "function targets:" 910 functions = self.function_targets.keys() 911 functions.sort() 912 for function in functions: 913 print >>f, function, self.function_targets[function] 914 915 print >>f 916 print >>f, "function arguments:" 917 functions = self.function_arguments.keys() 918 functions.sort() 919 for function in functions: 920 print >>f, function, self.function_arguments[function] 921 922 print >>f 923 print >>f, "attribute usage:" 924 units = self.attr_usage.keys() 925 units.sort() 926 for unit in units: 927 d = self.attr_usage[unit] 928 self.usage_to_cache(d, f, unit) 929 930 print >>f 931 print >>f, "attribute accesses:" 932 paths = self.attr_accesses.keys() 933 paths.sort() 934 for path in paths: 935 accesses = list(self.attr_accesses[path]) 936 accesses.sort() 937 print >>f, path, ", ".join(accesses) 938 939 print >>f 940 print >>f, "constant accesses:" 941 paths = self.const_accesses.keys() 942 paths.sort() 943 for path in paths: 944 accesses = self.const_accesses[path].items() 945 accesses.sort() 946 for (original_name, attrnames), (objpath, ref, remaining_attrnames) in accesses: 947 print >>f, path, original_name, attrnames, objpath, ref, remaining_attrnames or "{}" 948 949 print >>f 950 print >>f, "attribute access usage:" 951 paths = self.attr_accessors.keys() 952 paths.sort() 953 for path in paths: 954 all_accesses = self.attr_accessors[path].items() 955 all_accesses.sort() 956 for (name, attrname), accesses in all_accesses: 957 for positions in accesses: 958 positions = map(str, positions) 959 print >>f, path, name, attrname or "{}", ", ".join(positions) 960 961 print >>f 962 print >>f, "attribute access modifiers:" 963 paths = self.attr_access_modifiers.keys() 964 paths.sort() 965 for path in paths: 966 all_accesses = self.attr_access_modifiers[path].items() 967 all_accesses.sort() 968 for (name, attrnames), modifiers in all_accesses: 969 print >>f, path, name or "{}", attrnames or "{}", encode_modifiers(modifiers) 970 971 print >>f 972 print >>f, "constant literals:" 973 paths = self.constants.keys() 974 paths.sort() 975 for path in paths: 976 constants = [(v, k) for (k, v) in self.constants[path].items()] 977 constants.sort() 978 for n, constant in constants: 979 print >>f, path, repr(constant) 980 981 print >>f 982 print >>f, "constant values:" 983 names = self.constant_values.keys() 984 names.sort() 985 for name in names: 986 value, value_type = self.constant_values[name] 987 print >>f, name, value_type, repr(value) 988 989 finally: 990 f.close() 991 992 def to_lines(self, f, heading, d): 993 994 "Write lines to 'f' with the given 'heading', using 'd'." 995 996 print >>f 997 print >>f, heading 998 keys = d.keys() 999 keys.sort() 1000 for key in keys: 1001 attrs = list(d[key]) 1002 if attrs: 1003 attrs.sort() 1004 print >>f, key, ", ".join(attrs) 1005 1006 def usage_to_cache(self, details, f, prefix): 1007 1008 "Write the given namespace usage details to the cache." 1009 1010 names = list(details.keys()) 1011 if names: 1012 names.sort() 1013 for name in names: 1014 if details[name]: 1015 1016 # Produce descriptions for each version of the name. 1017 1018 for version in details[name]: 1019 all_usages = [] 1020 for usage in version: 1021 all_usages.append(encode_usage(usage)) 1022 1023 print >>f, "%s %s %s" % (prefix, name, "; ".join(all_usages)) 1024 1025 # vim: tabstop=4 expandtab shiftwidth=4