paul@0 | 1 | #!/usr/bin/env python |
paul@0 | 2 | |
paul@0 | 3 | """ |
paul@0 | 4 | Encoder functions, producing representations of program objects. |
paul@0 | 5 | |
paul@498 | 6 | Copyright (C) 2016, 2017 Paul Boddie <paul@boddie.org.uk> |
paul@0 | 7 | |
paul@0 | 8 | This program is free software; you can redistribute it and/or modify it under |
paul@0 | 9 | the terms of the GNU General Public License as published by the Free Software |
paul@0 | 10 | Foundation; either version 3 of the License, or (at your option) any later |
paul@0 | 11 | version. |
paul@0 | 12 | |
paul@0 | 13 | This program is distributed in the hope that it will be useful, but WITHOUT |
paul@0 | 14 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
paul@0 | 15 | FOR A PARTICULAR PURPOSE. See the GNU General Public License for more |
paul@0 | 16 | details. |
paul@0 | 17 | |
paul@0 | 18 | You should have received a copy of the GNU General Public License along with |
paul@0 | 19 | this program. If not, see <http://www.gnu.org/licenses/>. |
paul@0 | 20 | """ |
paul@0 | 21 | |
paul@498 | 22 | from common import first, InstructionSequence |
paul@56 | 23 | |
paul@0 | 24 | # Output encoding and decoding for the summary files. |
paul@0 | 25 | |
paul@0 | 26 | def encode_attrnames(attrnames): |
paul@0 | 27 | |
paul@0 | 28 | "Encode the 'attrnames' representing usage." |
paul@0 | 29 | |
paul@0 | 30 | return ", ".join(attrnames) or "{}" |
paul@0 | 31 | |
paul@0 | 32 | def encode_constrained(constrained): |
paul@0 | 33 | |
paul@0 | 34 | "Encode the 'constrained' status for program summaries." |
paul@0 | 35 | |
paul@0 | 36 | return constrained and "constrained" or "deduced" |
paul@0 | 37 | |
paul@0 | 38 | def encode_usage(usage): |
paul@0 | 39 | |
paul@0 | 40 | "Encode attribute details from 'usage'." |
paul@0 | 41 | |
paul@0 | 42 | all_attrnames = [] |
paul@0 | 43 | for t in usage: |
paul@107 | 44 | attrname, invocation, assignment = t |
paul@107 | 45 | all_attrnames.append("%s%s" % (attrname, invocation and "!" or assignment and "=" or "")) |
paul@0 | 46 | return ", ".join(all_attrnames) or "{}" |
paul@0 | 47 | |
paul@88 | 48 | def decode_usage(s): |
paul@88 | 49 | |
paul@88 | 50 | "Decode attribute details from 's'." |
paul@88 | 51 | |
paul@88 | 52 | all_attrnames = set() |
paul@88 | 53 | for attrname_str in s.split(", "): |
paul@107 | 54 | all_attrnames.add((attrname_str.rstrip("!="), attrname_str.endswith("!"), attrname_str.endswith("="))) |
paul@88 | 55 | |
paul@88 | 56 | all_attrnames = list(all_attrnames) |
paul@88 | 57 | all_attrnames.sort() |
paul@88 | 58 | return tuple(all_attrnames) |
paul@88 | 59 | |
paul@0 | 60 | def encode_access_location(t): |
paul@0 | 61 | |
paul@0 | 62 | "Encode the access location 't'." |
paul@0 | 63 | |
paul@0 | 64 | path, name, attrname, version = t |
paul@0 | 65 | return "%s %s %s:%d" % (path, name or "{}", attrname, version) |
paul@0 | 66 | |
paul@0 | 67 | def encode_location(t): |
paul@0 | 68 | |
paul@0 | 69 | "Encode the general location 't' in a concise form." |
paul@0 | 70 | |
paul@0 | 71 | path, name, attrname, version = t |
paul@0 | 72 | if name is not None and version is not None: |
paul@0 | 73 | return "%s %s:%d" % (path, name, version) |
paul@0 | 74 | elif name is not None: |
paul@0 | 75 | return "%s %s" % (path, name) |
paul@0 | 76 | else: |
paul@0 | 77 | return "%s :%s" % (path, attrname) |
paul@0 | 78 | |
paul@0 | 79 | def encode_modifiers(modifiers): |
paul@0 | 80 | |
paul@553 | 81 | "Encode assignment and invocation details from 'modifiers'." |
paul@0 | 82 | |
paul@0 | 83 | all_modifiers = [] |
paul@0 | 84 | for t in modifiers: |
paul@0 | 85 | all_modifiers.append(encode_modifier_term(t)) |
paul@0 | 86 | return "".join(all_modifiers) |
paul@0 | 87 | |
paul@0 | 88 | def encode_modifier_term(t): |
paul@0 | 89 | |
paul@553 | 90 | "Encode modifier 't' representing an assignment or an invocation." |
paul@0 | 91 | |
paul@117 | 92 | assignment, invocation = t |
paul@553 | 93 | if assignment: |
paul@553 | 94 | return "=" |
paul@553 | 95 | elif invocation is not None: |
paul@553 | 96 | return "(%d)" % invocation |
paul@553 | 97 | else: |
paul@553 | 98 | return "_" |
paul@0 | 99 | |
paul@553 | 100 | def decode_modifiers(s): |
paul@553 | 101 | |
paul@553 | 102 | "Decode 's' containing modifiers." |
paul@553 | 103 | |
paul@553 | 104 | i = 0 |
paul@553 | 105 | end = len(s) |
paul@0 | 106 | |
paul@553 | 107 | modifiers = [] |
paul@0 | 108 | |
paul@553 | 109 | while i < end: |
paul@553 | 110 | if s[i] == "=": |
paul@553 | 111 | modifiers.append((True, None)) |
paul@553 | 112 | i += 1 |
paul@553 | 113 | elif s[i] == "(": |
paul@553 | 114 | j = s.index(")", i) |
paul@553 | 115 | modifiers.append((False, int(s[i+1:j]))) |
paul@553 | 116 | i = j + 1 |
paul@553 | 117 | else: |
paul@553 | 118 | modifiers.append((False, None)) |
paul@553 | 119 | i += 1 |
paul@553 | 120 | |
paul@553 | 121 | return modifiers |
paul@0 | 122 | |
paul@56 | 123 | |
paul@56 | 124 | |
paul@56 | 125 | # Test generation functions. |
paul@56 | 126 | |
paul@56 | 127 | def get_kinds(all_types): |
paul@56 | 128 | |
paul@56 | 129 | """ |
paul@56 | 130 | Return object kind details for 'all_types', being a collection of |
paul@56 | 131 | references for program types. |
paul@56 | 132 | """ |
paul@56 | 133 | |
paul@56 | 134 | return map(lambda ref: ref.get_kind(), all_types) |
paul@56 | 135 | |
paul@237 | 136 | def test_label_for_kind(kind): |
paul@56 | 137 | |
paul@237 | 138 | "Return the label used for 'kind' in test details." |
paul@56 | 139 | |
paul@237 | 140 | return kind == "<instance>" and "instance" or "type" |
paul@56 | 141 | |
paul@237 | 142 | def test_label_for_type(ref): |
paul@56 | 143 | |
paul@237 | 144 | "Return the label used for 'ref' in test details." |
paul@56 | 145 | |
paul@237 | 146 | return test_label_for_kind(ref.get_kind()) |
paul@56 | 147 | |
paul@56 | 148 | |
paul@56 | 149 | |
paul@94 | 150 | # Instruction representation encoding. |
paul@94 | 151 | |
paul@94 | 152 | def encode_instruction(instruction): |
paul@94 | 153 | |
paul@94 | 154 | """ |
paul@94 | 155 | Encode the 'instruction' - a sequence starting with an operation and |
paul@94 | 156 | followed by arguments, each of which may be an instruction sequence or a |
paul@94 | 157 | plain value - to produce a function call string representation. |
paul@94 | 158 | """ |
paul@94 | 159 | |
paul@94 | 160 | op = instruction[0] |
paul@94 | 161 | args = instruction[1:] |
paul@94 | 162 | |
paul@94 | 163 | if args: |
paul@94 | 164 | a = [] |
paul@113 | 165 | for arg in args: |
paul@113 | 166 | if isinstance(arg, tuple): |
paul@113 | 167 | a.append(encode_instruction(arg)) |
paul@94 | 168 | else: |
paul@113 | 169 | a.append(arg or "{}") |
paul@94 | 170 | argstr = "(%s)" % ", ".join(a) |
paul@94 | 171 | return "%s%s" % (op, argstr) |
paul@94 | 172 | else: |
paul@94 | 173 | return op |
paul@94 | 174 | |
paul@94 | 175 | |
paul@94 | 176 | |
paul@0 | 177 | # Output program encoding. |
paul@0 | 178 | |
paul@153 | 179 | attribute_loading_ops = ( |
paul@153 | 180 | "__load_via_class", "__load_via_object", "__get_class_and_load", |
paul@153 | 181 | ) |
paul@153 | 182 | |
paul@153 | 183 | attribute_ops = attribute_loading_ops + ( |
paul@113 | 184 | "__store_via_object", |
paul@113 | 185 | ) |
paul@113 | 186 | |
paul@153 | 187 | checked_loading_ops = ( |
paul@113 | 188 | "__check_and_load_via_class", "__check_and_load_via_object", "__check_and_load_via_any", |
paul@153 | 189 | ) |
paul@153 | 190 | |
paul@153 | 191 | checked_ops = checked_loading_ops + ( |
paul@113 | 192 | "__check_and_store_via_class", "__check_and_store_via_object", "__check_and_store_via_any", |
paul@113 | 193 | ) |
paul@113 | 194 | |
paul@113 | 195 | typename_ops = ( |
paul@144 | 196 | "__test_common_instance", "__test_common_object", "__test_common_type", |
paul@113 | 197 | ) |
paul@113 | 198 | |
paul@385 | 199 | type_ops = ( |
paul@385 | 200 | "__test_specific_instance", "__test_specific_object", "__test_specific_type", |
paul@385 | 201 | ) |
paul@385 | 202 | |
paul@141 | 203 | static_ops = ( |
paul@141 | 204 | "__load_static", |
paul@141 | 205 | ) |
paul@141 | 206 | |
paul@153 | 207 | reference_acting_ops = attribute_ops + checked_ops + typename_ops |
paul@153 | 208 | attribute_producing_ops = attribute_loading_ops + checked_loading_ops |
paul@153 | 209 | |
paul@113 | 210 | def encode_access_instruction(instruction, subs): |
paul@113 | 211 | |
paul@113 | 212 | """ |
paul@113 | 213 | Encode the 'instruction' - a sequence starting with an operation and |
paul@113 | 214 | followed by arguments, each of which may be an instruction sequence or a |
paul@113 | 215 | plain value - to produce a function call string representation. |
paul@113 | 216 | |
paul@113 | 217 | The 'subs' parameter defines a mapping of substitutions for special values |
paul@113 | 218 | used in instructions. |
paul@482 | 219 | |
paul@482 | 220 | Return both the encoded instruction and a collection of substituted names. |
paul@113 | 221 | """ |
paul@113 | 222 | |
paul@113 | 223 | op = instruction[0] |
paul@113 | 224 | args = instruction[1:] |
paul@482 | 225 | substituted = set() |
paul@113 | 226 | |
paul@113 | 227 | if not args: |
paul@113 | 228 | argstr = "" |
paul@113 | 229 | |
paul@113 | 230 | else: |
paul@113 | 231 | # Encode the arguments. |
paul@113 | 232 | |
paul@113 | 233 | a = [] |
paul@153 | 234 | converting_op = op |
paul@113 | 235 | for arg in args: |
paul@482 | 236 | s, _substituted = encode_access_instruction_arg(arg, subs, converting_op) |
paul@482 | 237 | substituted.update(_substituted) |
paul@482 | 238 | a.append(s) |
paul@153 | 239 | converting_op = None |
paul@113 | 240 | |
paul@113 | 241 | # Modify certain arguments. |
paul@113 | 242 | |
paul@113 | 243 | # Convert attribute name arguments to position symbols. |
paul@113 | 244 | |
paul@113 | 245 | if op in attribute_ops: |
paul@113 | 246 | arg = a[1] |
paul@113 | 247 | a[1] = encode_symbol("pos", arg) |
paul@113 | 248 | |
paul@113 | 249 | # Convert attribute name arguments to position and code symbols. |
paul@113 | 250 | |
paul@113 | 251 | elif op in checked_ops: |
paul@113 | 252 | arg = a[1] |
paul@113 | 253 | a[1] = encode_symbol("pos", arg) |
paul@113 | 254 | a.insert(2, encode_symbol("code", arg)) |
paul@113 | 255 | |
paul@113 | 256 | # Convert type name arguments to position and code symbols. |
paul@113 | 257 | |
paul@113 | 258 | elif op in typename_ops: |
paul@339 | 259 | arg = encode_type_attribute(args[1]) |
paul@113 | 260 | a[1] = encode_symbol("pos", arg) |
paul@113 | 261 | a.insert(2, encode_symbol("code", arg)) |
paul@113 | 262 | |
paul@385 | 263 | # Obtain addresses of type arguments. |
paul@385 | 264 | |
paul@385 | 265 | elif op in type_ops: |
paul@385 | 266 | a[1] = "&%s" % a[1] |
paul@385 | 267 | |
paul@141 | 268 | # Obtain addresses of static objects. |
paul@141 | 269 | |
paul@141 | 270 | elif op in static_ops: |
paul@141 | 271 | a[0] = "&%s" % a[0] |
paul@200 | 272 | a[1] = "&%s" % a[1] |
paul@141 | 273 | |
paul@491 | 274 | argstr = "(%s)" % ", ".join(map(str, a)) |
paul@113 | 275 | |
paul@113 | 276 | # Substitute the first element of the instruction, which may not be an |
paul@113 | 277 | # operation at all. |
paul@113 | 278 | |
paul@144 | 279 | if subs.has_key(op): |
paul@482 | 280 | substituted.add(op) |
paul@498 | 281 | |
paul@498 | 282 | # Break accessor initialisation into initialisation and value-yielding |
paul@498 | 283 | # parts: |
paul@498 | 284 | |
paul@498 | 285 | if op == "<set_accessor>" and isinstance(a[0], InstructionSequence): |
paul@498 | 286 | ops = [] |
paul@498 | 287 | ops += a[0].get_init_instructions() |
paul@498 | 288 | ops.append("%s(%s)" % (subs[op], a[0].get_value_instruction())) |
paul@498 | 289 | return ", ".join(map(str, ops)), substituted |
paul@498 | 290 | |
paul@144 | 291 | op = subs[op] |
paul@498 | 292 | |
paul@144 | 293 | elif not args: |
paul@144 | 294 | op = "&%s" % encode_path(op) |
paul@144 | 295 | |
paul@482 | 296 | return "%s%s" % (op, argstr), substituted |
paul@113 | 297 | |
paul@153 | 298 | def encode_access_instruction_arg(arg, subs, op): |
paul@113 | 299 | |
paul@482 | 300 | """ |
paul@482 | 301 | Encode 'arg' using 'subs' to define substitutions, returning a tuple |
paul@482 | 302 | containing the encoded form of 'arg' along with a collection of any |
paul@482 | 303 | substituted values. |
paul@482 | 304 | """ |
paul@113 | 305 | |
paul@113 | 306 | if isinstance(arg, tuple): |
paul@482 | 307 | encoded, substituted = encode_access_instruction(arg, subs) |
paul@153 | 308 | |
paul@153 | 309 | # Convert attribute results to references where required. |
paul@153 | 310 | |
paul@153 | 311 | if op and op in reference_acting_ops and arg[0] in attribute_producing_ops: |
paul@482 | 312 | return "%s.value" % encoded, substituted |
paul@153 | 313 | else: |
paul@482 | 314 | return encoded, substituted |
paul@113 | 315 | |
paul@113 | 316 | # Special values only need replacing, not encoding. |
paul@113 | 317 | |
paul@113 | 318 | elif subs.has_key(arg): |
paul@482 | 319 | return subs.get(arg), set([arg]) |
paul@113 | 320 | |
paul@258 | 321 | # Convert static references to the appropriate type. |
paul@258 | 322 | |
paul@258 | 323 | elif op and op in reference_acting_ops and arg != "<accessor>": |
paul@482 | 324 | return "&%s" % encode_path(arg), set() |
paul@258 | 325 | |
paul@113 | 326 | # Other values may need encoding. |
paul@113 | 327 | |
paul@113 | 328 | else: |
paul@482 | 329 | return encode_path(arg), set() |
paul@113 | 330 | |
paul@0 | 331 | def encode_function_pointer(path): |
paul@0 | 332 | |
paul@0 | 333 | "Encode 'path' as a reference to an output program function." |
paul@0 | 334 | |
paul@0 | 335 | return "__fn_%s" % encode_path(path) |
paul@0 | 336 | |
paul@0 | 337 | def encode_instantiator_pointer(path): |
paul@0 | 338 | |
paul@0 | 339 | "Encode 'path' as a reference to an output program instantiator." |
paul@0 | 340 | |
paul@0 | 341 | return "__new_%s" % encode_path(path) |
paul@0 | 342 | |
paul@491 | 343 | def encode_instructions(instructions): |
paul@491 | 344 | |
paul@491 | 345 | "Encode 'instructions' as a sequence." |
paul@491 | 346 | |
paul@491 | 347 | if len(instructions) == 1: |
paul@491 | 348 | return instructions[0] |
paul@491 | 349 | else: |
paul@491 | 350 | return "(\n%s\n)" % ",\n".join(instructions) |
paul@491 | 351 | |
paul@136 | 352 | def encode_literal_constant(n): |
paul@136 | 353 | |
paul@136 | 354 | "Encode a name for the literal constant with the number 'n'." |
paul@136 | 355 | |
paul@136 | 356 | return "__const%d" % n |
paul@136 | 357 | |
paul@378 | 358 | def encode_literal_constant_size(value): |
paul@378 | 359 | |
paul@378 | 360 | "Encode a size for the literal constant with the given 'value'." |
paul@378 | 361 | |
paul@378 | 362 | if isinstance(value, basestring): |
paul@378 | 363 | return len(value) |
paul@378 | 364 | else: |
paul@378 | 365 | return 0 |
paul@378 | 366 | |
paul@136 | 367 | def encode_literal_constant_member(value): |
paul@136 | 368 | |
paul@136 | 369 | "Encode the member name for the 'value' in the final program." |
paul@136 | 370 | |
paul@136 | 371 | return "%svalue" % value.__class__.__name__ |
paul@136 | 372 | |
paul@136 | 373 | def encode_literal_constant_value(value): |
paul@136 | 374 | |
paul@136 | 375 | "Encode the given 'value' in the final program." |
paul@136 | 376 | |
paul@136 | 377 | if isinstance(value, (int, float)): |
paul@136 | 378 | return str(value) |
paul@136 | 379 | else: |
paul@451 | 380 | l = [] |
paul@451 | 381 | |
paul@451 | 382 | # Encode characters including non-ASCII ones. |
paul@451 | 383 | |
paul@451 | 384 | for c in str(value): |
paul@451 | 385 | if c == '"': l.append('\\"') |
paul@451 | 386 | elif c == '\n': l.append('\\n') |
paul@451 | 387 | elif c == '\t': l.append('\\t') |
paul@451 | 388 | elif c == '\r': l.append('\\r') |
paul@512 | 389 | elif c == '\\': l.append('\\\\') |
paul@451 | 390 | elif 0x20 <= ord(c) < 0x80: l.append(c) |
paul@451 | 391 | else: l.append("\\x%02x" % ord(c)) |
paul@451 | 392 | |
paul@451 | 393 | return '"%s"' % "".join(l) |
paul@136 | 394 | |
paul@283 | 395 | def encode_literal_data_initialiser(style): |
paul@283 | 396 | |
paul@283 | 397 | """ |
paul@283 | 398 | Encode a reference to a function populating the data for a literal having |
paul@283 | 399 | the given 'style' ("mapping" or "sequence"). |
paul@283 | 400 | """ |
paul@283 | 401 | |
paul@283 | 402 | return "__newdata_%s" % style |
paul@283 | 403 | |
paul@159 | 404 | def encode_literal_instantiator(path): |
paul@159 | 405 | |
paul@159 | 406 | """ |
paul@159 | 407 | Encode a reference to an instantiator for a literal having the given 'path'. |
paul@159 | 408 | """ |
paul@159 | 409 | |
paul@159 | 410 | return "__newliteral_%s" % encode_path(path) |
paul@159 | 411 | |
paul@136 | 412 | def encode_literal_reference(n): |
paul@136 | 413 | |
paul@136 | 414 | "Encode a reference to a literal constant with the number 'n'." |
paul@136 | 415 | |
paul@136 | 416 | return "__constvalue%d" % n |
paul@136 | 417 | |
paul@512 | 418 | |
paul@512 | 419 | |
paul@340 | 420 | # Track all encoded paths, detecting and avoiding conflicts. |
paul@340 | 421 | |
paul@340 | 422 | all_encoded_paths = {} |
paul@340 | 423 | |
paul@0 | 424 | def encode_path(path): |
paul@0 | 425 | |
paul@0 | 426 | "Encode 'path' as an output program object, translating special symbols." |
paul@0 | 427 | |
paul@0 | 428 | if path in reserved_words: |
paul@0 | 429 | return "__%s" % path |
paul@0 | 430 | else: |
paul@340 | 431 | part_encoded = path.replace("#", "__").replace("$", "__") |
paul@349 | 432 | |
paul@349 | 433 | if "." not in path: |
paul@349 | 434 | return part_encoded |
paul@349 | 435 | |
paul@340 | 436 | encoded = part_encoded.replace(".", "_") |
paul@340 | 437 | |
paul@340 | 438 | # Test for a conflict with the encoding of a different path, re-encoding |
paul@340 | 439 | # if necessary. |
paul@340 | 440 | |
paul@340 | 441 | previous = all_encoded_paths.get(encoded) |
paul@340 | 442 | replacement = "_" |
paul@340 | 443 | |
paul@340 | 444 | while previous: |
paul@340 | 445 | if path == previous: |
paul@340 | 446 | return encoded |
paul@340 | 447 | replacement += "_" |
paul@340 | 448 | encoded = part_encoded.replace(".", replacement) |
paul@340 | 449 | previous = all_encoded_paths.get(encoded) |
paul@340 | 450 | |
paul@340 | 451 | # Store any new or re-encoded path. |
paul@340 | 452 | |
paul@340 | 453 | all_encoded_paths[encoded] = path |
paul@340 | 454 | return encoded |
paul@0 | 455 | |
paul@136 | 456 | def encode_predefined_reference(path): |
paul@136 | 457 | |
paul@136 | 458 | "Encode a reference to a predefined constant value for 'path'." |
paul@136 | 459 | |
paul@136 | 460 | return "__predefined_%s" % encode_path(path) |
paul@136 | 461 | |
paul@150 | 462 | def encode_size(kind, path=None): |
paul@150 | 463 | |
paul@150 | 464 | """ |
paul@150 | 465 | Encode a structure size reference for the given 'kind' of structure, with |
paul@150 | 466 | 'path' indicating a specific structure name. |
paul@150 | 467 | """ |
paul@150 | 468 | |
paul@150 | 469 | return "__%ssize%s" % (structure_size_prefixes.get(kind, kind), path and "_%s" % encode_path(path) or "") |
paul@150 | 470 | |
paul@0 | 471 | def encode_symbol(symbol_type, path=None): |
paul@0 | 472 | |
paul@0 | 473 | "Encode a symbol with the given 'symbol_type' and optional 'path'." |
paul@0 | 474 | |
paul@0 | 475 | return "__%s%s" % (symbol_type, path and "_%s" % encode_path(path) or "") |
paul@0 | 476 | |
paul@150 | 477 | def encode_tablename(kind, path): |
paul@150 | 478 | |
paul@150 | 479 | """ |
paul@150 | 480 | Encode a table reference for the given 'kind' of table structure, indicating |
paul@150 | 481 | a 'path' for the specific object concerned. |
paul@150 | 482 | """ |
paul@150 | 483 | |
paul@150 | 484 | return "__%sTable_%s" % (table_name_prefixes[kind], encode_path(path)) |
paul@150 | 485 | |
paul@131 | 486 | def encode_type_attribute(path): |
paul@131 | 487 | |
paul@131 | 488 | "Encode the special type attribute for 'path'." |
paul@131 | 489 | |
paul@131 | 490 | return "#%s" % path |
paul@131 | 491 | |
paul@318 | 492 | def decode_type_attribute(s): |
paul@318 | 493 | |
paul@318 | 494 | "Decode the special type attribute 's'." |
paul@318 | 495 | |
paul@318 | 496 | return s[1:] |
paul@318 | 497 | |
paul@318 | 498 | def is_type_attribute(s): |
paul@318 | 499 | |
paul@318 | 500 | "Return whether 's' is a type attribute name." |
paul@318 | 501 | |
paul@318 | 502 | return s.startswith("#") |
paul@318 | 503 | |
paul@56 | 504 | |
paul@56 | 505 | |
paul@150 | 506 | # A mapping from kinds to structure size reference prefixes. |
paul@150 | 507 | |
paul@150 | 508 | structure_size_prefixes = { |
paul@150 | 509 | "<class>" : "c", |
paul@150 | 510 | "<module>" : "m", |
paul@150 | 511 | "<instance>" : "i" |
paul@150 | 512 | } |
paul@150 | 513 | |
paul@150 | 514 | # A mapping from kinds to table name prefixes. |
paul@150 | 515 | |
paul@150 | 516 | table_name_prefixes = { |
paul@150 | 517 | "<class>" : "Class", |
paul@150 | 518 | "<function>" : "Function", |
paul@150 | 519 | "<module>" : "Module", |
paul@150 | 520 | "<instance>" : "Instance" |
paul@150 | 521 | } |
paul@150 | 522 | |
paul@150 | 523 | |
paul@150 | 524 | |
paul@0 | 525 | # Output language reserved words. |
paul@0 | 526 | |
paul@0 | 527 | reserved_words = [ |
paul@0 | 528 | "break", "char", "const", "continue", |
paul@0 | 529 | "default", "double", "else", |
paul@0 | 530 | "float", "for", |
paul@0 | 531 | "if", "int", "long", |
paul@0 | 532 | "NULL", |
paul@0 | 533 | "return", "struct", |
paul@0 | 534 | "typedef", |
paul@0 | 535 | "void", "while", |
paul@0 | 536 | ] |
paul@0 | 537 | |
paul@0 | 538 | # vim: tabstop=4 expandtab shiftwidth=4 |