How to use pop_scope method in Slash

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rlmeta.py

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1SUPPORT = 'class VM:\n\n def __init__(self, code, rules):\n self.code = code\n self.rules = rules\n\n def run(self, start_rule, stream):\n self.action = SemanticAction(None)\n self.pc = self.rules[start_rule]\n self.call_backtrack_stack = []\n self.stream, self.stream_rest = (stream, None)\n self.pos, self.pos_rest = (0, tuple())\n self.scope, self.scope_rest = (None, None)\n self.latest_fail_message, self.latest_fail_pos = (None, tuple())\n self.memo = {}\n while True:\n result = self.pop_arg()(self)\n if result:\n return result\n\n def pop_arg(self):\n code = self.code[self.pc]\n self.pc += 1\n return code\n\ndef PUSH_SCOPE(vm):\n vm.scope_rest = (vm.scope, vm.scope_rest)\n vm.scope = {}\n\ndef POP_SCOPE(vm):\n vm.scope, vm.scope_rest = vm.scope_rest\n\ndef BACKTRACK(vm):\n vm.call_backtrack_stack.append((\n vm.pop_arg(), vm.stream, vm.stream_rest, vm.pos, vm.pos_rest, vm.scope, vm.scope_rest\n ))\n\ndef COMMIT(vm):\n vm.call_backtrack_stack.pop()\n vm.pc = vm.pop_arg()\n\ndef CALL(vm):\n CALL_(vm, vm.pop_arg())\n\ndef CALL_(vm, pc):\n key = (pc, vm.pos_rest+(vm.pos,))\n if key in vm.memo:\n if vm.memo[key][0] is None:\n FAIL_(vm, vm.memo[key][1])\n else:\n vm.action, vm.stream, vm.stream_rest, vm.pos, vm.pos_rest = vm.memo[key]\n else:\n vm.call_backtrack_stack.append((vm.pc, key))\n vm.pc = pc\n\ndef RETURN(vm):\n if not vm.call_backtrack_stack:\n return vm.action\n vm.pc, key = vm.call_backtrack_stack.pop()\n vm.memo[key] = (vm.action, vm.stream, vm.stream_rest, vm.pos, vm.pos_rest)\n\ndef MATCH(vm):\n object_description = vm.pop_arg()\n fn = vm.pop_arg()\n MATCH_(vm, fn, ("expected {}", object_description))\n\ndef MATCH_(vm, fn, message):\n if vm.pos >= len(vm.stream) or not fn(vm.stream[vm.pos]):\n FAIL_(vm, message)\n else:\n vm.action = SemanticAction(vm.stream[vm.pos])\n vm.pos += 1\n return True\n\ndef MATCH_CALL_RULE(vm):\n if MATCH_(vm, lambda x: x in vm.rules, ("expected rule name",)):\n CALL_(vm, vm.rules[vm.action.value])\n\ndef LIST_START(vm):\n vm.scope_rest = (vm.scope, vm.scope_rest)\n vm.scope = []\n\ndef LIST_APPEND(vm):\n vm.scope.append(vm.action)\n\ndef LIST_END(vm):\n vm.action = SemanticAction(vm.scope, lambda self: [x.eval(self.runtime) for x in self.value])\n vm.scope, vm.scope_rest = vm.scope_rest\n\ndef BIND(vm):\n vm.scope[vm.pop_arg()] = vm.action\n\ndef ACTION(vm):\n vm.action = SemanticAction(vm.scope, vm.pop_arg())\n\ndef PUSH_STREAM(vm):\n if vm.pos >= len(vm.stream) or not isinstance(vm.stream[vm.pos], list):\n FAIL_(vm, ("expected list",))\n else:\n vm.stream_rest = (vm.stream, vm.stream_rest)\n vm.pos_rest = vm.pos_rest + (vm.pos,)\n vm.stream = vm.stream[vm.pos]\n vm.pos = 0\n\ndef POP_STREAM(vm):\n if vm.pos < len(vm.stream):\n FAIL_(vm, ("expected end of list",))\n else:\n vm.stream, vm.stream_rest = vm.stream_rest\n vm.pos, vm.pos_rest = vm.pos_rest[-1], vm.pos_rest[:-1]\n vm.pos += 1\n\ndef FAIL(vm):\n FAIL_(vm, (vm.pop_arg(),))\n\ndef FAIL_(vm, fail_message):\n fail_pos = vm.pos_rest+(vm.pos,)\n if fail_pos >= vm.latest_fail_pos:\n vm.latest_fail_message = fail_message\n vm.latest_fail_pos = fail_pos\n call_backtrack_entry = tuple()\n while vm.call_backtrack_stack:\n call_backtrack_entry = vm.call_backtrack_stack.pop()\n if len(call_backtrack_entry) == 7:\n break\n else:\n vm.memo[call_backtrack_entry[1]] = (None, fail_message)\n if len(call_backtrack_entry) != 7:\n raise MatchError(\n vm.latest_fail_message[0].format(*vm.latest_fail_message[1:]),\n vm.latest_fail_pos[-1],\n vm.stream\n )\n (vm.pc, vm.stream, vm.stream_rest, vm.pos, vm.pos_rest, vm.scope, vm.scope_rest) = call_backtrack_entry\n\nclass SemanticAction(object):\n\n def __init__(self, value, fn=lambda self: self.value):\n self.value = value\n self.fn = fn\n\n def eval(self, runtime):\n self.runtime = runtime\n return self.fn(self)\n\n def bind(self, name, value, continuation):\n self.runtime = self.runtime.set(name, value)\n return continuation()\n\n def lookup(self, name):\n if name in self.value:\n return self.value[name].eval(self.runtime)\n else:\n return self.runtime[name]\n\nclass MatchError(Exception):\n\n def __init__(self, message, pos, stream):\n Exception.__init__(self)\n self.message = message\n self.pos = pos\n self.stream = stream\n\nclass Grammar(object):\n\n def run(self, rule, stream, runtime={}):\n return Runtime(self, dict(runtime, **{\n "label": Counter(),\n "indentprefix": " ",\n "list": list,\n "dict": dict,\n "add": lambda x, y: x.append(y),\n "get": lambda x, y: x[y],\n "set": lambda x, y, z: x.__setitem__(y, z),\n "len": len,\n "repr": repr,\n "join": join,\n })).run(rule, stream)\n\nclass Runtime(dict):\n\n def __init__(self, grammar, values):\n dict.__init__(self, dict(values, run=self.run))\n self.grammar = grammar\n\n def set(self, key, value):\n return Runtime(self.grammar, dict(self, **{key: value}))\n\n def run(self, rule, stream):\n return VM(self.grammar.code, self.grammar.rules).run(rule, stream).eval(self)\n\nclass Counter(object):\n\n def __init__(self):\n self.value = 0\n\n def __call__(self):\n result = self.value\n self.value += 1\n return result\n\ndef splice(depth, item):\n if depth == 0:\n return [item]\n else:\n return concat([splice(depth-1, subitem) for subitem in item])\n\ndef concat(lists):\n return [x for xs in lists for x in xs]\n\ndef join(items, delimiter=""):\n return delimiter.join(\n join(item, delimiter) if isinstance(item, list) else str(item)\n for item in items\n )\n\ndef indent(text, prefix=" "):\n return "".join(prefix+line for line in text.splitlines(True))\n\ndef compile_chain(grammars, source):\n import os\n import sys\n import pprint\n for grammar, rule in grammars:\n try:\n source = grammar().run(rule, source)\n except MatchError as e:\n marker = "<ERROR POSITION>"\n if os.isatty(sys.stderr.fileno()):\n marker = f"\\033[0;31m{marker}\\033[0m"\n if isinstance(e.stream, str):\n stream_string = e.stream[:e.pos] + marker + e.stream[e.pos:]\n else:\n stream_string = pprint.pformat(e.stream)\n sys.exit("ERROR: {}\\nPOSITION: {}\\nSTREAM:\\n{}".format(\n e.message,\n e.pos,\n indent(stream_string)\n ))\n return source\n'2class VM:3 def __init__(self, code, rules):4 self.code = code5 self.rules = rules6 def run(self, start_rule, stream):7 self.action = SemanticAction(None)8 self.pc = self.rules[start_rule]9 self.call_backtrack_stack = []10 self.stream, self.stream_rest = (stream, None)11 self.pos, self.pos_rest = (0, tuple())12 self.scope, self.scope_rest = (None, None)13 self.latest_fail_message, self.latest_fail_pos = (None, tuple())14 self.memo = {}15 while True:16 result = self.pop_arg()(self)17 if result:18 return result19 def pop_arg(self):20 code = self.code[self.pc]21 self.pc += 122 return code23def PUSH_SCOPE(vm):24 vm.scope_rest = (vm.scope, vm.scope_rest)25 vm.scope = {}26def POP_SCOPE(vm):27 vm.scope, vm.scope_rest = vm.scope_rest28def BACKTRACK(vm):29 vm.call_backtrack_stack.append((30 vm.pop_arg(), vm.stream, vm.stream_rest, vm.pos, vm.pos_rest, vm.scope, vm.scope_rest31 ))32def COMMIT(vm):33 vm.call_backtrack_stack.pop()34 vm.pc = vm.pop_arg()35def CALL(vm):36 CALL_(vm, vm.pop_arg())37def CALL_(vm, pc):38 key = (pc, vm.pos_rest+(vm.pos,))39 if key in vm.memo:40 if vm.memo[key][0] is None:41 FAIL_(vm, vm.memo[key][1])42 else:43 vm.action, vm.stream, vm.stream_rest, vm.pos, vm.pos_rest = vm.memo[key]44 else:45 vm.call_backtrack_stack.append((vm.pc, key))46 vm.pc = pc47def RETURN(vm):48 if not vm.call_backtrack_stack:49 return vm.action50 vm.pc, key = vm.call_backtrack_stack.pop()51 vm.memo[key] = (vm.action, vm.stream, vm.stream_rest, vm.pos, vm.pos_rest)52def MATCH(vm):53 object_description = vm.pop_arg()54 fn = vm.pop_arg()55 MATCH_(vm, fn, ("expected {}", object_description))56def MATCH_(vm, fn, message):57 if vm.pos >= len(vm.stream) or not fn(vm.stream[vm.pos]):58 FAIL_(vm, message)59 else:60 vm.action = SemanticAction(vm.stream[vm.pos])61 vm.pos += 162 return True63def MATCH_CALL_RULE(vm):64 if MATCH_(vm, lambda x: x in vm.rules, ("expected rule name",)):65 CALL_(vm, vm.rules[vm.action.value])66def LIST_START(vm):67 vm.scope_rest = (vm.scope, vm.scope_rest)68 vm.scope = []69def LIST_APPEND(vm):70 vm.scope.append(vm.action)71def LIST_END(vm):72 vm.action = SemanticAction(vm.scope, lambda self: [x.eval(self.runtime) for x in self.value])73 vm.scope, vm.scope_rest = vm.scope_rest74def BIND(vm):75 vm.scope[vm.pop_arg()] = vm.action76def ACTION(vm):77 vm.action = SemanticAction(vm.scope, vm.pop_arg())78def PUSH_STREAM(vm):79 if vm.pos >= len(vm.stream) or not isinstance(vm.stream[vm.pos], list):80 FAIL_(vm, ("expected list",))81 else:82 vm.stream_rest = (vm.stream, vm.stream_rest)83 vm.pos_rest = vm.pos_rest + (vm.pos,)84 vm.stream = vm.stream[vm.pos]85 vm.pos = 086def POP_STREAM(vm):87 if vm.pos < len(vm.stream):88 FAIL_(vm, ("expected end of list",))89 else:90 vm.stream, vm.stream_rest = vm.stream_rest91 vm.pos, vm.pos_rest = vm.pos_rest[-1], vm.pos_rest[:-1]92 vm.pos += 193def FAIL(vm):94 FAIL_(vm, (vm.pop_arg(),))95def FAIL_(vm, fail_message):96 fail_pos = vm.pos_rest+(vm.pos,)97 if fail_pos >= vm.latest_fail_pos:98 vm.latest_fail_message = fail_message99 vm.latest_fail_pos = fail_pos100 call_backtrack_entry = tuple()101 while vm.call_backtrack_stack:102 call_backtrack_entry = vm.call_backtrack_stack.pop()103 if len(call_backtrack_entry) == 7:104 break105 else:106 vm.memo[call_backtrack_entry[1]] = (None, fail_message)107 if len(call_backtrack_entry) != 7:108 raise MatchError(109 vm.latest_fail_message[0].format(*vm.latest_fail_message[1:]),110 vm.latest_fail_pos[-1],111 vm.stream112 )113 (vm.pc, vm.stream, vm.stream_rest, vm.pos, vm.pos_rest, vm.scope, vm.scope_rest) = call_backtrack_entry114class SemanticAction(object):115 def __init__(self, value, fn=lambda self: self.value):116 self.value = value117 self.fn = fn118 def eval(self, runtime):119 self.runtime = runtime120 return self.fn(self)121 def bind(self, name, value, continuation):122 self.runtime = self.runtime.set(name, value)123 return continuation()124 def lookup(self, name):125 if name in self.value:126 return self.value[name].eval(self.runtime)127 else:128 return self.runtime[name]129class MatchError(Exception):130 def __init__(self, message, pos, stream):131 Exception.__init__(self)132 self.message = message133 self.pos = pos134 self.stream = stream135class Grammar(object):136 def run(self, rule, stream, runtime={}):137 return Runtime(self, dict(runtime, **{138 "label": Counter(),139 "indentprefix": " ",140 "list": list,141 "dict": dict,142 "add": lambda x, y: x.append(y),143 "get": lambda x, y: x[y],144 "set": lambda x, y, z: x.__setitem__(y, z),145 "len": len,146 "repr": repr,147 "join": join,148 })).run(rule, stream)149class Runtime(dict):150 def __init__(self, grammar, values):151 dict.__init__(self, dict(values, run=self.run))152 self.grammar = grammar153 def set(self, key, value):154 return Runtime(self.grammar, dict(self, **{key: value}))155 def run(self, rule, stream):156 return VM(self.grammar.code, self.grammar.rules).run(rule, stream).eval(self)157class Counter(object):158 def __init__(self):159 self.value = 0160 def __call__(self):161 result = self.value162 self.value += 1163 return result164def splice(depth, item):165 if depth == 0:166 return [item]167 else:168 return concat([splice(depth-1, subitem) for subitem in item])169def concat(lists):170 return [x for xs in lists for x in xs]171def join(items, delimiter=""):172 return delimiter.join(173 join(item, delimiter) if isinstance(item, list) else str(item)174 for item in items175 )176def indent(text, prefix=" "):177 return "".join(prefix+line for line in text.splitlines(True))178def compile_chain(grammars, source):179 import os180 import sys181 import pprint182 for grammar, rule in grammars:183 try:184 source = grammar().run(rule, source)185 except MatchError as e:186 marker = "<ERROR POSITION>"187 if os.isatty(sys.stderr.fileno()):188 marker = f"\033[0;31m{marker}\033[0m"189 if isinstance(e.stream, str):190 stream_string = e.stream[:e.pos] + marker + e.stream[e.pos:]191 else:192 stream_string = pprint.pformat(e.stream)193 sys.exit("ERROR: {}\nPOSITION: {}\nSTREAM:\n{}".format(194 e.message,195 e.pos,196 indent(stream_string)197 ))198 return source199class Parser(Grammar):200 rules = {201 'file': 0,202 'grammar': 31,203 'rule': 61,204 'choice': 79,205 'sequence': 117,206 'expr': 137,207 'expr1': 163,208 'expr2': 232,209 'matchChar': 377,210 'maybeAction': 386,211 'actionExpr': 403,212 'hostExpr': 463,213 'hostListItem': 575,214 'formatExpr': 598,215 'var': 632,216 'string': 654,217 'char': 687,218 'innerChar': 711,219 'escape': 728,220 'name': 769,221 'nameStart': 791,222 'nameChar': 806,223 'space': 830224 }225 code = [226 PUSH_SCOPE,227 LIST_START,228 BACKTRACK,229 13,230 PUSH_SCOPE,231 CALL,232 830,233 CALL,234 31,235 POP_SCOPE,236 LIST_APPEND,237 COMMIT,238 2,239 LIST_END,240 BIND,241 'xs',242 CALL,243 830,244 BACKTRACK,245 27,246 MATCH,247 'any',248 lambda x: True,249 COMMIT,250 25,251 FAIL,252 'no match',253 ACTION,254 lambda self: self.lookup('xs'),255 POP_SCOPE,256 RETURN,257 PUSH_SCOPE,258 CALL,259 769,260 BIND,261 'x',262 CALL,263 830,264 MATCH,265 '{',266 lambda x: x == '{',267 LIST_START,268 BACKTRACK,269 49,270 CALL,271 61,272 LIST_APPEND,273 COMMIT,274 42,275 LIST_END,276 BIND,277 'ys',278 CALL,279 830,280 MATCH,281 '}',282 lambda x: x == '}',283 ACTION,284 lambda self: concat([splice(0, 'Grammar'), splice(0, self.lookup('x')), splice(1, self.lookup('ys'))]),285 POP_SCOPE,286 RETURN,287 PUSH_SCOPE,288 CALL,289 769,290 BIND,291 'x',292 CALL,293 830,294 MATCH,295 '=',296 lambda x: x == '=',297 CALL,298 79,299 BIND,300 'y',301 ACTION,302 lambda self: concat([splice(0, 'Rule'), splice(0, self.lookup('x')), splice(0, self.lookup('y'))]),303 POP_SCOPE,304 RETURN,305 PUSH_SCOPE,306 BACKTRACK,307 91,308 PUSH_SCOPE,309 CALL,310 830,311 MATCH,312 '|',313 lambda x: x == '|',314 POP_SCOPE,315 COMMIT,316 91,317 CALL,318 117,319 BIND,320 'x',321 LIST_START,322 BACKTRACK,323 110,324 PUSH_SCOPE,325 CALL,326 830,327 MATCH,328 '|',329 lambda x: x == '|',330 CALL,331 117,332 POP_SCOPE,333 LIST_APPEND,334 COMMIT,335 96,336 LIST_END,337 BIND,338 'xs',339 ACTION,340 lambda self: concat([splice(0, 'Or'), splice(0, self.lookup('x')), splice(1, self.lookup('xs'))]),341 POP_SCOPE,342 RETURN,343 PUSH_SCOPE,344 LIST_START,345 BACKTRACK,346 126,347 CALL,348 137,349 LIST_APPEND,350 COMMIT,351 119,352 LIST_END,353 BIND,354 'xs',355 CALL,356 386,357 BIND,358 'ys',359 ACTION,360 lambda self: concat([splice(0, 'Scope'), splice(0, concat([splice(0, 'And'), splice(1, self.lookup('xs')), splice(1, self.lookup('ys'))]))]),361 POP_SCOPE,362 RETURN,363 BACKTRACK,364 158,365 PUSH_SCOPE,366 CALL,367 163,368 BIND,369 'x',370 CALL,371 830,372 MATCH,373 ':',374 lambda x: x == ':',375 CALL,376 769,377 BIND,378 'y',379 ACTION,380 lambda self: concat([splice(0, 'Bind'), splice(0, self.lookup('y')), splice(0, self.lookup('x'))]),381 POP_SCOPE,382 COMMIT,383 162,384 PUSH_SCOPE,385 CALL,386 163,387 POP_SCOPE,388 RETURN,389 BACKTRACK,390 180,391 PUSH_SCOPE,392 CALL,393 232,394 BIND,395 'x',396 CALL,397 830,398 MATCH,399 '*',400 lambda x: x == '*',401 ACTION,402 lambda self: concat([splice(0, 'Star'), splice(0, self.lookup('x'))]),403 POP_SCOPE,404 COMMIT,405 231,406 BACKTRACK,407 197,408 PUSH_SCOPE,409 CALL,410 232,411 BIND,412 'x',413 CALL,414 830,415 MATCH,416 '?',417 lambda x: x == '?',418 ACTION,419 lambda self: concat([splice(0, 'Or'), splice(0, self.lookup('x')), splice(0, concat([splice(0, 'And')]))]),420 POP_SCOPE,421 COMMIT,422 231,423 BACKTRACK,424 214,425 PUSH_SCOPE,426 CALL,427 830,428 MATCH,429 '!',430 lambda x: x == '!',431 CALL,432 232,433 BIND,434 'x',435 ACTION,436 lambda self: concat([splice(0, 'Not'), splice(0, self.lookup('x'))]),437 POP_SCOPE,438 COMMIT,439 231,440 BACKTRACK,441 227,442 PUSH_SCOPE,443 CALL,444 830,445 MATCH,446 '%',447 lambda x: x == '%',448 ACTION,449 lambda self: concat([splice(0, 'MatchCallRule')]),450 POP_SCOPE,451 COMMIT,452 231,453 PUSH_SCOPE,454 CALL,455 232,456 POP_SCOPE,457 RETURN,458 BACKTRACK,459 257,460 PUSH_SCOPE,461 CALL,462 769,463 BIND,464 'x',465 BACKTRACK,466 252,467 PUSH_SCOPE,468 CALL,469 830,470 MATCH,471 '=',472 lambda x: x == '=',473 POP_SCOPE,474 COMMIT,475 250,476 FAIL,477 'no match',478 ACTION,479 lambda self: concat([splice(0, 'MatchRule'), splice(0, self.lookup('x'))]),480 POP_SCOPE,481 COMMIT,482 376,483 BACKTRACK,484 278,485 PUSH_SCOPE,486 CALL,487 830,488 CALL,489 687,490 BIND,491 'x',492 MATCH,493 '-',494 lambda x: x == '-',495 CALL,496 687,497 BIND,498 'y',499 ACTION,500 lambda self: concat([splice(0, 'MatchObject'), splice(0, concat([splice(0, 'Range'), splice(0, self.lookup('x')), splice(0, self.lookup('y'))]))]),501 POP_SCOPE,502 COMMIT,503 376,504 BACKTRACK,505 316,506 PUSH_SCOPE,507 CALL,508 830,509 MATCH,510 "'",511 lambda x: x == "'",512 LIST_START,513 BACKTRACK,514 305,515 PUSH_SCOPE,516 BACKTRACK,517 299,518 MATCH,519 "'",520 lambda x: x == "'",521 COMMIT,522 297,523 FAIL,524 'no match',525 CALL,526 377,527 POP_SCOPE,528 LIST_APPEND,529 COMMIT,530 287,531 LIST_END,532 BIND,533 'xs',534 MATCH,535 "'",536 lambda x: x == "'",537 ACTION,538 lambda self: concat([splice(0, 'And'), splice(1, self.lookup('xs'))]),539 POP_SCOPE,540 COMMIT,541 376,542 BACKTRACK,543 329,544 PUSH_SCOPE,545 CALL,546 830,547 MATCH,548 '.',549 lambda x: x == '.',550 ACTION,551 lambda self: concat([splice(0, 'MatchObject'), splice(0, concat([splice(0, 'Any')]))]),552 POP_SCOPE,553 COMMIT,554 376,555 BACKTRACK,556 351,557 PUSH_SCOPE,558 CALL,559 830,560 MATCH,561 '(',562 lambda x: x == '(',563 CALL,564 79,565 BIND,566 'x',567 CALL,568 830,569 MATCH,570 ')',571 lambda x: x == ')',572 ACTION,573 lambda self: self.lookup('x'),574 POP_SCOPE,575 COMMIT,576 376,577 PUSH_SCOPE,578 CALL,579 830,580 MATCH,581 '[',582 lambda x: x == '[',583 LIST_START,584 BACKTRACK,585 365,586 CALL,587 137,588 LIST_APPEND,589 COMMIT,590 358,591 LIST_END,592 BIND,593 'xs',594 CALL,595 830,596 MATCH,597 ']',598 lambda x: x == ']',599 ACTION,600 lambda self: concat([splice(0, 'MatchList'), splice(0, concat([splice(0, 'And'), splice(1, self.lookup('xs'))]))]),601 POP_SCOPE,602 RETURN,603 PUSH_SCOPE,604 CALL,605 711,606 BIND,607 'x',608 ACTION,609 lambda self: concat([splice(0, 'MatchObject'), splice(0, concat([splice(0, 'Eq'), splice(0, self.lookup('x'))]))]),610 POP_SCOPE,611 RETURN,612 BACKTRACK,613 398,614 PUSH_SCOPE,615 CALL,616 403,617 BIND,618 'x',619 ACTION,620 lambda self: concat([splice(0, concat([splice(0, 'Action'), splice(0, self.lookup('x'))]))]),621 POP_SCOPE,622 COMMIT,623 402,624 PUSH_SCOPE,625 ACTION,626 lambda self: concat([]),627 POP_SCOPE,628 RETURN,629 BACKTRACK,630 446,631 PUSH_SCOPE,632 CALL,633 830,634 MATCH,635 '-',636 lambda x: x == '-',637 MATCH,638 '>',639 lambda x: x == '>',640 CALL,641 463,642 BIND,643 'x',644 BACKTRACK,645 431,646 PUSH_SCOPE,647 CALL,648 830,649 MATCH,650 ':',651 lambda x: x == ':',652 CALL,653 769,654 POP_SCOPE,655 COMMIT,656 435,657 PUSH_SCOPE,658 ACTION,659 lambda self: '',660 POP_SCOPE,661 BIND,662 'y',663 CALL,664 403,665 BIND,666 'z',667 ACTION,668 lambda self: concat([splice(0, 'Set'), splice(0, self.lookup('y')), splice(0, self.lookup('x')), splice(0, self.lookup('z'))]),669 POP_SCOPE,670 COMMIT,671 462,672 PUSH_SCOPE,673 CALL,674 830,675 MATCH,676 '-',677 lambda x: x == '-',678 MATCH,679 '>',680 lambda x: x == '>',681 CALL,682 463,683 BIND,684 'x',685 ACTION,686 lambda self: self.lookup('x'),687 POP_SCOPE,688 RETURN,689 BACKTRACK,690 477,691 PUSH_SCOPE,692 CALL,693 830,694 CALL,695 654,696 BIND,697 'x',698 ACTION,699 lambda self: concat([splice(0, 'String'), splice(0, self.lookup('x'))]),700 POP_SCOPE,701 COMMIT,702 574,703 BACKTRACK,704 506,705 PUSH_SCOPE,706 CALL,707 830,708 MATCH,709 '[',710 lambda x: x == '[',711 LIST_START,712 BACKTRACK,713 493,714 CALL,715 575,716 LIST_APPEND,717 COMMIT,718 486,719 LIST_END,720 BIND,721 'xs',722 CALL,723 830,724 MATCH,725 ']',726 lambda x: x == ']',727 ACTION,728 lambda self: concat([splice(0, 'List'), splice(1, self.lookup('xs'))]),729 POP_SCOPE,730 COMMIT,731 574,732 BACKTRACK,733 535,734 PUSH_SCOPE,735 CALL,736 830,737 MATCH,738 '{',739 lambda x: x == '{',740 LIST_START,741 BACKTRACK,742 522,743 CALL,744 598,745 LIST_APPEND,746 COMMIT,747 515,748 LIST_END,749 BIND,750 'xs',751 CALL,752 830,753 MATCH,754 '}',755 lambda x: x == '}',756 ACTION,757 lambda self: concat([splice(0, 'Format'), splice(1, self.lookup('xs'))]),758 POP_SCOPE,759 COMMIT,760 574,761 BACKTRACK,762 568,763 PUSH_SCOPE,764 CALL,765 632,766 BIND,767 'x',768 CALL,769 830,770 MATCH,771 '(',772 lambda x: x == '(',773 LIST_START,774 BACKTRACK,775 555,776 CALL,777 463,778 LIST_APPEND,779 COMMIT,780 548,781 LIST_END,782 BIND,783 'ys',784 CALL,785 830,786 MATCH,787 ')',788 lambda x: x == ')',789 ACTION,790 lambda self: concat([splice(0, 'Call'), splice(0, self.lookup('x')), splice(1, self.lookup('ys'))]),791 POP_SCOPE,792 COMMIT,793 574,794 PUSH_SCOPE,795 CALL,796 632,797 BIND,798 'x',799 POP_SCOPE,800 RETURN,801 PUSH_SCOPE,802 CALL,803 830,804 LIST_START,805 BACKTRACK,806 587,807 MATCH,808 '~',809 lambda x: x == '~',810 LIST_APPEND,811 COMMIT,812 579,813 LIST_END,814 BIND,815 'ys',816 CALL,817 463,818 BIND,819 'x',820 ACTION,821 lambda self: concat([splice(0, 'ListItem'), splice(0, self.lookup('len')(self.lookup('ys'))), splice(0, self.lookup('x'))]),822 POP_SCOPE,823 RETURN,824 BACKTRACK,825 627,826 PUSH_SCOPE,827 CALL,828 830,829 MATCH,830 '>',831 lambda x: x == '>',832 LIST_START,833 BACKTRACK,834 614,835 CALL,836 598,837 LIST_APPEND,838 COMMIT,839 607,840 LIST_END,841 BIND,842 'xs',843 CALL,844 830,845 MATCH,846 '<',847 lambda x: x == '<',848 ACTION,849 lambda self: concat([splice(0, 'Indent'), splice(0, concat([splice(0, 'Format'), splice(1, self.lookup('xs'))]))]),850 POP_SCOPE,851 COMMIT,852 631,853 PUSH_SCOPE,854 CALL,855 463,856 POP_SCOPE,857 RETURN,858 PUSH_SCOPE,859 CALL,860 769,861 BIND,862 'x',863 BACKTRACK,864 650,865 PUSH_SCOPE,866 CALL,867 830,868 MATCH,869 '=',870 lambda x: x == '=',871 POP_SCOPE,872 COMMIT,873 648,874 FAIL,875 'no match',876 ACTION,877 lambda self: concat([splice(0, 'Lookup'), splice(0, self.lookup('x'))]),878 POP_SCOPE,879 RETURN,880 PUSH_SCOPE,881 MATCH,882 '"',883 lambda x: x == '"',884 LIST_START,885 BACKTRACK,886 677,887 PUSH_SCOPE,888 BACKTRACK,889 671,890 MATCH,891 '"',892 lambda x: x == '"',893 COMMIT,894 669,895 FAIL,896 'no match',897 CALL,898 711,899 POP_SCOPE,900 LIST_APPEND,901 COMMIT,902 659,903 LIST_END,904 BIND,905 'xs',906 MATCH,907 '"',908 lambda x: x == '"',909 ACTION,910 lambda self: join([self.lookup('xs')]),911 POP_SCOPE,912 RETURN,913 PUSH_SCOPE,914 MATCH,915 "'",916 lambda x: x == "'",917 BACKTRACK,918 700,919 MATCH,920 "'",921 lambda x: x == "'",922 COMMIT,923 698,924 FAIL,925 'no match',926 CALL,927 711,928 BIND,929 'x',930 MATCH,931 "'",932 lambda x: x == "'",933 ACTION,934 lambda self: self.lookup('x'),935 POP_SCOPE,936 RETURN,937 BACKTRACK,938 722,939 PUSH_SCOPE,940 MATCH,941 '\\',942 lambda x: x == '\\',943 CALL,944 728,945 POP_SCOPE,946 COMMIT,947 727,948 PUSH_SCOPE,949 MATCH,950 'any',951 lambda x: True,952 POP_SCOPE,953 RETURN,954 BACKTRACK,955 739,956 PUSH_SCOPE,957 MATCH,958 '\\',959 lambda x: x == '\\',960 ACTION,961 lambda self: '\\',962 POP_SCOPE,963 COMMIT,964 768,965 BACKTRACK,966 750,967 PUSH_SCOPE,968 MATCH,969 "'",970 lambda x: x == "'",971 ACTION,972 lambda self: "'",973 POP_SCOPE,974 COMMIT,975 768,976 BACKTRACK,977 761,978 PUSH_SCOPE,979 MATCH,980 '"',981 lambda x: x == '"',982 ACTION,983 lambda self: '"',984 POP_SCOPE,985 COMMIT,986 768,987 PUSH_SCOPE,988 MATCH,989 'n',990 lambda x: x == 'n',991 ACTION,992 lambda self: '\n',993 POP_SCOPE,994 RETURN,995 PUSH_SCOPE,996 CALL,997 830,998 CALL,999 791,1000 BIND,1001 'x',1002 LIST_START,1003 BACKTRACK,1004 784,1005 CALL,1006 806,1007 LIST_APPEND,1008 COMMIT,1009 777,1010 LIST_END,1011 BIND,1012 'xs',1013 ACTION,1014 lambda self: join([self.lookup('x'), self.lookup('xs')]),1015 POP_SCOPE,1016 RETURN,1017 BACKTRACK,1018 800,1019 PUSH_SCOPE,1020 MATCH,1021 "range 'a'-'z'",1022 lambda x: 'a' <= x <= 'z',1023 POP_SCOPE,1024 COMMIT,1025 805,1026 PUSH_SCOPE,1027 MATCH,1028 "range 'A'-'Z'",1029 lambda x: 'A' <= x <= 'Z',1030 POP_SCOPE,1031 RETURN,1032 BACKTRACK,1033 815,1034 PUSH_SCOPE,1035 MATCH,1036 "range 'a'-'z'",1037 lambda x: 'a' <= x <= 'z',1038 POP_SCOPE,1039 COMMIT,1040 829,1041 BACKTRACK,1042 824,1043 PUSH_SCOPE,1044 MATCH,1045 "range 'A'-'Z'",1046 lambda x: 'A' <= x <= 'Z',1047 POP_SCOPE,1048 COMMIT,1049 829,1050 PUSH_SCOPE,1051 MATCH,1052 "range '0'-'9'",1053 lambda x: '0' <= x <= '9',1054 POP_SCOPE,1055 RETURN,1056 PUSH_SCOPE,1057 LIST_START,1058 BACKTRACK,1059 851,1060 BACKTRACK,1061 843,1062 PUSH_SCOPE,1063 MATCH,1064 ' ',1065 lambda x: x == ' ',1066 POP_SCOPE,1067 COMMIT,1068 848,1069 PUSH_SCOPE,1070 MATCH,1071 '\n',1072 lambda x: x == '\n',1073 POP_SCOPE,1074 LIST_APPEND,1075 COMMIT,1076 832,1077 LIST_END,1078 POP_SCOPE,1079 RETURN1080 ]1081class CodeGenerator(Grammar):1082 rules = {1083 'Grammar': 0,1084 'Rule': 21,1085 'Or': 35,1086 'Scope': 56,1087 'And': 65,1088 'Bind': 81,1089 'Star': 95,1090 'Not': 104,1091 'MatchCallRule': 113,1092 'MatchRule': 118,1093 'MatchObject': 128,1094 'MatchList': 138,1095 'Action': 147,1096 'asts': 157,1097 'ast': 1821098 }1099 code = [1100 PUSH_SCOPE,1101 MATCH,1102 'any',1103 lambda x: True,1104 BIND,1105 'x',1106 LIST_START,1107 BACKTRACK,1108 14,1109 CALL,1110 182,1111 LIST_APPEND,1112 COMMIT,1113 7,1114 LIST_END,1115 BIND,1116 'ys',1117 ACTION,1118 lambda self: concat([splice(0, 'Grammar'), splice(0, self.lookup('x')), splice(2, self.lookup('ys'))]),1119 POP_SCOPE,1120 RETURN,1121 PUSH_SCOPE,1122 MATCH,1123 'any',1124 lambda x: True,1125 BIND,1126 'x',1127 CALL,1128 182,1129 BIND,1130 'y',1131 ACTION,1132 lambda self: concat([splice(0, concat([splice(0, 'Rule'), splice(0, self.lookup('x'))])), splice(1, self.lookup('y')), splice(0, concat([splice(0, 'OpCode'), splice(0, 'RETURN')]))]),1133 POP_SCOPE,1134 RETURN,1135 BACKTRACK,1136 51,1137 PUSH_SCOPE,1138 CALL,1139 182,1140 BIND,1141 'x',1142 CALL,1143 35,1144 BIND,1145 'y',1146 ACTION,1147 lambda self: self.bind('a', self.lookup('label')(), lambda: self.bind('b', self.lookup('label')(), lambda: concat([splice(0, concat([splice(0, 'OpCode'), splice(0, 'BACKTRACK')])), splice(0, concat([splice(0, 'Target'), splice(0, self.lookup('a'))])), splice(1, self.lookup('x')), splice(0, concat([splice(0, 'OpCode'), splice(0, 'COMMIT')])), splice(0, concat([splice(0, 'Target'), splice(0, self.lookup('b'))])), splice(0, concat([splice(0, 'Label'), splice(0, self.lookup('a'))])), splice(1, self.lookup('y')), splice(0, concat([splice(0, 'Label'), splice(0, self.lookup('b'))]))]))),1148 POP_SCOPE,1149 COMMIT,1150 55,1151 PUSH_SCOPE,1152 CALL,1153 182,1154 POP_SCOPE,1155 RETURN,1156 PUSH_SCOPE,1157 CALL,1158 182,1159 BIND,1160 'x',1161 ACTION,1162 lambda self: concat([splice(0, concat([splice(0, 'OpCode'), splice(0, 'PUSH_SCOPE')])), splice(1, self.lookup('x')), splice(0, concat([splice(0, 'OpCode'), splice(0, 'POP_SCOPE')]))]),1163 POP_SCOPE,1164 RETURN,1165 PUSH_SCOPE,1166 LIST_START,1167 BACKTRACK,1168 74,1169 CALL,1170 182,1171 LIST_APPEND,1172 COMMIT,1173 67,1174 LIST_END,1175 BIND,1176 'xs',1177 ACTION,1178 lambda self: concat([splice(2, self.lookup('xs'))]),1179 POP_SCOPE,1180 RETURN,1181 PUSH_SCOPE,1182 MATCH,1183 'any',1184 lambda x: True,1185 BIND,1186 'x',1187 CALL,1188 182,1189 BIND,1190 'y',1191 ACTION,1192 lambda self: concat([splice(1, self.lookup('y')), splice(0, concat([splice(0, 'OpCode'), splice(0, 'BIND')])), splice(0, concat([splice(0, 'Value'), splice(0, self.lookup('x'))]))]),1193 POP_SCOPE,1194 RETURN,1195 PUSH_SCOPE,1196 CALL,1197 182,1198 BIND,1199 'x',1200 ACTION,1201 lambda self: self.bind('a', self.lookup('label')(), lambda: self.bind('b', self.lookup('label')(), lambda: concat([splice(0, concat([splice(0, 'OpCode'), splice(0, 'LIST_START')])), splice(0, concat([splice(0, 'Label'), splice(0, self.lookup('a'))])), splice(0, concat([splice(0, 'OpCode'), splice(0, 'BACKTRACK')])), splice(0, concat([splice(0, 'Target'), splice(0, self.lookup('b'))])), splice(1, self.lookup('x')), splice(0, concat([splice(0, 'OpCode'), splice(0, 'LIST_APPEND')])), splice(0, concat([splice(0, 'OpCode'), splice(0, 'COMMIT')])), splice(0, concat([splice(0, 'Target'), splice(0, self.lookup('a'))])), splice(0, concat([splice(0, 'Label'), splice(0, self.lookup('b'))])), splice(0, concat([splice(0, 'OpCode'), splice(0, 'LIST_END')]))]))),1202 POP_SCOPE,1203 RETURN,1204 PUSH_SCOPE,1205 CALL,1206 182,1207 BIND,1208 'x',1209 ACTION,1210 lambda self: self.bind('a', self.lookup('label')(), lambda: self.bind('b', self.lookup('label')(), lambda: concat([splice(0, concat([splice(0, 'OpCode'), splice(0, 'BACKTRACK')])), splice(0, concat([splice(0, 'Target'), splice(0, self.lookup('b'))])), splice(1, self.lookup('x')), splice(0, concat([splice(0, 'OpCode'), splice(0, 'COMMIT')])), splice(0, concat([splice(0, 'Target'), splice(0, self.lookup('a'))])), splice(0, concat([splice(0, 'Label'), splice(0, self.lookup('a'))])), splice(0, concat([splice(0, 'OpCode'), splice(0, 'FAIL')])), splice(0, concat([splice(0, 'Value'), splice(0, 'no match')])), splice(0, concat([splice(0, 'Label'), splice(0, self.lookup('b'))]))]))),1211 POP_SCOPE,1212 RETURN,1213 PUSH_SCOPE,1214 ACTION,1215 lambda self: concat([splice(0, concat([splice(0, 'OpCode'), splice(0, 'MATCH_CALL_RULE')]))]),1216 POP_SCOPE,1217 RETURN,1218 PUSH_SCOPE,1219 MATCH,1220 'any',1221 lambda x: True,1222 BIND,1223 'x',1224 ACTION,1225 lambda self: concat([splice(0, concat([splice(0, 'OpCode'), splice(0, 'CALL')])), splice(0, concat([splice(0, 'Target'), splice(0, self.lookup('x'))]))]),1226 POP_SCOPE,1227 RETURN,1228 PUSH_SCOPE,1229 MATCH,1230 'any',1231 lambda x: True,1232 BIND,1233 'x',1234 ACTION,1235 lambda self: concat([splice(0, concat([splice(0, 'OpCode'), splice(0, 'MATCH')])), splice(0, self.lookup('x'))]),1236 POP_SCOPE,1237 RETURN,1238 PUSH_SCOPE,1239 CALL,1240 182,1241 BIND,1242 'x',1243 ACTION,1244 lambda self: concat([splice(0, concat([splice(0, 'OpCode'), splice(0, 'PUSH_STREAM')])), splice(1, self.lookup('x')), splice(0, concat([splice(0, 'OpCode'), splice(0, 'POP_STREAM')]))]),1245 POP_SCOPE,1246 RETURN,1247 PUSH_SCOPE,1248 MATCH,1249 'any',1250 lambda x: True,1251 BIND,1252 'x',1253 ACTION,1254 lambda self: concat([splice(0, concat([splice(0, 'OpCode'), splice(0, 'ACTION')])), splice(0, concat([splice(0, 'Action'), splice(0, self.lookup('x'))]))]),1255 POP_SCOPE,1256 RETURN,1257 PUSH_SCOPE,1258 LIST_START,1259 BACKTRACK,1260 166,1261 CALL,1262 182,1263 LIST_APPEND,1264 COMMIT,1265 159,1266 LIST_END,1267 BIND,1268 'xs',1269 BACKTRACK,1270 178,1271 MATCH,1272 'any',1273 lambda x: True,1274 COMMIT,1275 176,1276 FAIL,1277 'no match',1278 ACTION,1279 lambda self: self.lookup('xs'),1280 POP_SCOPE,1281 RETURN,1282 PUSH_SCOPE,1283 PUSH_STREAM,1284 MATCH_CALL_RULE,1285 BIND,1286 'x',1287 POP_STREAM,1288 ACTION,1289 lambda self: self.lookup('x'),1290 POP_SCOPE,1291 RETURN1292 ]1293class Assembler(Grammar):1294 rules = {1295 'Grammar': 0,1296 'Rule': 21,1297 'Label': 31,1298 'Target': 41,1299 'Patch': 51,1300 'OpCode': 66,1301 'Value': 76,1302 'Eq': 86,1303 'Range': 96,1304 'Any': 111,1305 'Action': 116,1306 'Set': 125,1307 'String': 143,1308 'List': 153,1309 'ListItem': 162,1310 'Format': 176,1311 'Indent': 185,1312 'Call': 194,1313 'Lookup': 207,1314 'asts': 217,1315 'astList': 242,1316 'ast': 2581317 }1318 code = [1319 PUSH_SCOPE,1320 MATCH,1321 'any',1322 lambda x: True,1323 BIND,1324 'x',1325 LIST_START,1326 BACKTRACK,1327 14,1328 CALL,1329 258,1330 LIST_APPEND,1331 COMMIT,1332 7,1333 LIST_END,1334 BIND,1335 'ys',1336 ACTION,1337 lambda self: self.bind('rules', self.lookup('list')(), lambda: self.bind('code', self.lookup('list')(), lambda: self.bind('labels', self.lookup('dict')(), lambda: self.bind('patches', self.lookup('list')(), lambda: self.bind('', self.lookup('ys'), lambda: self.bind('', self.lookup('run')('asts', self.lookup('patches')), lambda: join(['class ', self.lookup('x'), '(Grammar):\n', indent(join(['rules = {\n', indent(join([self.lookup('join')(self.lookup('rules'), ',\n')]), self.lookup('indentprefix')), '\n}\n', 'code = [\n', indent(join([self.lookup('join')(self.lookup('code'), ',\n')]), self.lookup('indentprefix')), '\n]\n']), self.lookup('indentprefix'))]))))))),1338 POP_SCOPE,1339 RETURN,1340 PUSH_SCOPE,1341 MATCH,1342 'any',1343 lambda x: True,1344 BIND,1345 'x',1346 ACTION,1347 lambda self: self.bind('', self.lookup('add')(self.lookup('rules'), join([self.lookup('repr')(self.lookup('x')), ': ', self.lookup('len')(self.lookup('code'))])), lambda: self.lookup('set')(self.lookup('labels'), self.lookup('x'), self.lookup('len')(self.lookup('code')))),1348 POP_SCOPE,1349 RETURN,1350 PUSH_SCOPE,1351 MATCH,1352 'any',1353 lambda x: True,1354 BIND,1355 'x',1356 ACTION,1357 lambda self: self.lookup('set')(self.lookup('labels'), self.lookup('x'), self.lookup('len')(self.lookup('code'))),1358 POP_SCOPE,1359 RETURN,1360 PUSH_SCOPE,1361 MATCH,1362 'any',1363 lambda x: True,1364 BIND,1365 'x',1366 ACTION,1367 lambda self: self.bind('', self.lookup('add')(self.lookup('patches'), concat([splice(0, 'Patch'), splice(0, self.lookup('len')(self.lookup('code'))), splice(0, self.lookup('x'))])), lambda: self.lookup('add')(self.lookup('code'), 'placeholder')),1368 POP_SCOPE,1369 RETURN,1370 PUSH_SCOPE,1371 MATCH,1372 'any',1373 lambda x: True,1374 BIND,1375 'x',1376 MATCH,1377 'any',1378 lambda x: True,1379 BIND,1380 'y',1381 ACTION,1382 lambda self: self.lookup('set')(self.lookup('code'), self.lookup('x'), self.lookup('get')(self.lookup('labels'), self.lookup('y'))),1383 POP_SCOPE,1384 RETURN,1385 PUSH_SCOPE,1386 MATCH,1387 'any',1388 lambda x: True,1389 BIND,1390 'x',1391 ACTION,1392 lambda self: self.lookup('add')(self.lookup('code'), self.lookup('x')),1393 POP_SCOPE,1394 RETURN,1395 PUSH_SCOPE,1396 MATCH,1397 'any',1398 lambda x: True,1399 BIND,1400 'x',1401 ACTION,1402 lambda self: self.lookup('add')(self.lookup('code'), self.lookup('repr')(self.lookup('x'))),1403 POP_SCOPE,1404 RETURN,1405 PUSH_SCOPE,1406 MATCH,1407 'any',1408 lambda x: True,1409 BIND,1410 'x',1411 ACTION,1412 lambda self: self.bind('', self.lookup('add')(self.lookup('code'), self.lookup('repr')(self.lookup('x'))), lambda: self.lookup('add')(self.lookup('code'), join(['lambda x: x == ', self.lookup('repr')(self.lookup('x'))]))),1413 POP_SCOPE,1414 RETURN,1415 PUSH_SCOPE,1416 MATCH,1417 'any',1418 lambda x: True,1419 BIND,1420 'x',1421 MATCH,1422 'any',1423 lambda x: True,1424 BIND,1425 'y',1426 ACTION,1427 lambda self: self.bind('', self.lookup('add')(self.lookup('code'), self.lookup('repr')(join(['range ', self.lookup('repr')(self.lookup('x')), '-', self.lookup('repr')(self.lookup('y'))]))), lambda: self.lookup('add')(self.lookup('code'), join(['lambda x: ', self.lookup('repr')(self.lookup('x')), ' <= x <= ', self.lookup('repr')(self.lookup('y'))]))),1428 POP_SCOPE,1429 RETURN,1430 PUSH_SCOPE,1431 ACTION,1432 lambda self: self.bind('', self.lookup('add')(self.lookup('code'), self.lookup('repr')('any')), lambda: self.lookup('add')(self.lookup('code'), 'lambda x: True')),1433 POP_SCOPE,1434 RETURN,1435 PUSH_SCOPE,1436 CALL,1437 258,1438 BIND,1439 'x',1440 ACTION,1441 lambda self: self.lookup('add')(self.lookup('code'), join(['lambda self: ', self.lookup('x')])),1442 POP_SCOPE,1443 RETURN,1444 PUSH_SCOPE,1445 MATCH,1446 'any',1447 lambda x: True,1448 BIND,1449 'x',1450 CALL,1451 258,1452 BIND,1453 'y',1454 CALL,1455 258,1456 BIND,1457 'z',1458 ACTION,1459 lambda self: join(['self.bind(', self.lookup('repr')(self.lookup('x')), ', ', self.lookup('y'), ', lambda: ', self.lookup('z'), ')']),1460 POP_SCOPE,1461 RETURN,1462 PUSH_SCOPE,1463 MATCH,1464 'any',1465 lambda x: True,1466 BIND,1467 'x',1468 ACTION,1469 lambda self: self.lookup('repr')(self.lookup('x')),1470 POP_SCOPE,1471 RETURN,1472 PUSH_SCOPE,1473 CALL,1474 242,1475 BIND,1476 'x',1477 ACTION,1478 lambda self: join(['concat([', self.lookup('x'), '])']),1479 POP_SCOPE,1480 RETURN,1481 PUSH_SCOPE,1482 MATCH,1483 'any',1484 lambda x: True,1485 BIND,1486 'x',1487 CALL,1488 258,1489 BIND,1490 'y',1491 ACTION,1492 lambda self: join(['splice(', self.lookup('repr')(self.lookup('x')), ', ', self.lookup('y'), ')']),1493 POP_SCOPE,1494 RETURN,1495 PUSH_SCOPE,1496 CALL,1497 242,1498 BIND,1499 'x',1500 ACTION,1501 lambda self: join(['join([', self.lookup('x'), '])']),1502 POP_SCOPE,1503 RETURN,1504 PUSH_SCOPE,1505 CALL,1506 258,1507 BIND,1508 'x',1509 ACTION,1510 lambda self: join(['indent(', self.lookup('x'), ', ', "self.lookup('indentprefix'))"]),1511 POP_SCOPE,1512 RETURN,1513 PUSH_SCOPE,1514 CALL,1515 258,1516 BIND,1517 'x',1518 CALL,1519 242,1520 BIND,1521 'y',1522 ACTION,1523 lambda self: join([self.lookup('x'), '(', self.lookup('y'), ')']),1524 POP_SCOPE,1525 RETURN,1526 PUSH_SCOPE,1527 MATCH,1528 'any',1529 lambda x: True,1530 BIND,1531 'x',1532 ACTION,1533 lambda self: join(['self.lookup(', self.lookup('repr')(self.lookup('x')), ')']),1534 POP_SCOPE,1535 RETURN,1536 PUSH_SCOPE,1537 LIST_START,1538 BACKTRACK,1539 226,1540 CALL,1541 258,1542 LIST_APPEND,1543 COMMIT,1544 219,1545 LIST_END,1546 BIND,1547 'xs',1548 BACKTRACK,1549 238,1550 MATCH,1551 'any',1552 lambda x: True,1553 COMMIT,1554 236,1555 FAIL,1556 'no match',1557 ACTION,1558 lambda self: join([self.lookup('xs')]),1559 POP_SCOPE,1560 RETURN,1561 PUSH_SCOPE,1562 LIST_START,1563 BACKTRACK,1564 251,1565 CALL,1566 258,1567 LIST_APPEND,1568 COMMIT,1569 244,1570 LIST_END,1571 BIND,1572 'xs',1573 ACTION,1574 lambda self: self.lookup('join')(self.lookup('xs'), ', '),1575 POP_SCOPE,1576 RETURN,1577 PUSH_SCOPE,1578 PUSH_STREAM,1579 MATCH_CALL_RULE,1580 BIND,1581 'x',1582 POP_STREAM,1583 ACTION,1584 lambda self: self.lookup('x'),1585 POP_SCOPE,1586 RETURN1587 ]1588if __name__ == "__main__":1589 import sys1590 def read(path):1591 if path == "-":1592 return sys.stdin.read()1593 with open(path) as f:1594 return f.read()1595 args = sys.argv[1:] or ["--compile", "-"]1596 while args:1597 command = args.pop(0)1598 if command == "--support":1599 sys.stdout.write(SUPPORT)1600 elif command == "--copy":1601 sys.stdout.write(read(args.pop(0)))1602 elif command == "--embed":1603 sys.stdout.write("{} = {}\n".format(1604 args.pop(0),1605 repr(read(args.pop(0)))1606 ))1607 elif command == "--compile":1608 sys.stdout.write(compile_chain(1609 [(Parser, "file"), (CodeGenerator, "asts"), (Assembler, "asts")],1610 read(args.pop(0))1611 ))1612 else:...

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