def _readFcnDefMap(data, dot, avroTypeBuilder): if isinstance(data, dict): at = data.get("@") for k in data.keys(): if k != "@" and not validFunctionName(k): raise PFASyntaxException("\"{0}\" is not a valid function name".format(k), pos(dot, at)) return dict((k, _readFcnDef(v, dot + " -> " + k, avroTypeBuilder)) for k, v in data.items() if k != "@") else: raise PFASyntaxException("expected map of function definitions, not " + _trunc(repr(data)), pos(dot, at))
def _readArgument(data, dot, avroTypeBuilder): if data is None: return LiteralNull(dot) elif isinstance(data, bool): return LiteralBoolean(data, dot) elif isinstance(data, (int, long)): if -2147483648 <= data <= 2147483647: return LiteralInt(data, dot) elif -9223372036854775808 <= data <= 9223372036854775807: return LiteralLong(data, dot) else: raise PFASyntaxException("integer out of range: " + str(data), dot) elif isinstance(data, float): return LiteralDouble(data, dot) elif isinstance(data, basestring): if "." in data: words = data.split(".") ref = words[0] rest = words[1:] if not validSymbolName(ref): raise PFASyntaxException("\"{0}\" is not a valid symbol name".format(ref), dot) for i in xrange(len(rest)): try: asint = int(rest[i]) except ValueError: rest[i] = LiteralString(rest[i], dot) else: rest[i] = LiteralInt(asint, dot) return AttrGet(Ref(ref), rest, dot) elif validSymbolName(data): return Ref(data, dot) else: raise PFASyntaxException("\"{0}\" is not a valid symbol name".format(data), dot) elif isinstance(data, (list, tuple)): if len(data) == 1 and isinstance(data[0], basestring): return LiteralString(data[0], dot) else: raise PFASyntaxException("expecting expression, which may be [\"string\"], but no other array can be used as an expression", dot) elif isinstance(data, dict): at = data.get("@") keys = set(x for x in data.keys() if x != "@") _path = [] _seq = True _partial = False _code = 0 _newObject = None _newArray = None _filter = None for key in keys: if key == "int": _int = _readInt(data[key], dot + " -> " + key) elif key == "long": _long = _readLong(data[key], dot + " -> " + key) elif key == "float": _float = _readFloat(data[key], dot + " -> " + key) elif key == "double": _double = _readDouble(data[key], dot + " -> " + key) elif key == "string": _string = _readString(data[key], dot + " -> " + key) elif key == "base64": _bytes = _readBase64(data[key], dot + " -> " + key) elif key == "type": _avroType = _readAvroPlaceholder(data[key], dot + " -> " + key, avroTypeBuilder) elif key == "value": _value = _readJsonToString(data[key], dot + " -> " + key) elif key == "let": _let = _readExpressionMap(data[key], dot + " -> " + key, avroTypeBuilder) elif key == "set": _set = _readExpressionMap(data[key], dot + " -> " + key, avroTypeBuilder) elif key == "for": _forlet = _readExpressionMap(data[key], dot + " -> " + key, avroTypeBuilder) elif key == "step": _forstep = _readExpressionMap(data[key], dot + " -> " + key, avroTypeBuilder) elif key == "ifnotnull": _ifnotnull = _readExpressionMap(data[key], dot + " -> " + key, avroTypeBuilder) elif key == "do": if isinstance(data[key], (list, tuple)): _body = _readExpressionArray(data[key], dot + " -> " + key, avroTypeBuilder) else: _body = [_readExpression(data[key], dot + " -> " + key, avroTypeBuilder)] elif key == "then": if isinstance(data[key], (list, tuple)): _thenClause = _readExpressionArray(data[key], dot + " -> " + key, avroTypeBuilder) else: _thenClause = [_readExpression(data[key], dot + " -> " + key, avroTypeBuilder)] elif key == "else": if isinstance(data[key], (list, tuple)): _elseClause = _readExpressionArray(data[key], dot + " -> " + key, avroTypeBuilder) else: _elseClause = [_readExpression(data[key], dot + " -> " + key, avroTypeBuilder)] elif key == "log": if isinstance(data[key], (list, tuple)): _log = _readExpressionArray(data[key], dot + " -> " + key, avroTypeBuilder) else: _log = [_readExpression(data[key], dot + " -> " + key, avroTypeBuilder)] elif key == "path": _path = _readExpressionArray(data[key], dot + " -> " + key, avroTypeBuilder) elif key == "args": _callwithargs = _readExpressionArray(data[key], dot + " -> " + key, avroTypeBuilder) elif key == "try": if isinstance(data[key], (list, tuple)): _trycatch = _readExpressionArray(data[key], dot + " -> " + key, avroTypeBuilder) else: _trycatch = [_readExpression(data[key], dot + " -> " + key, avroTypeBuilder)] elif key == "attr": _attr = _readExpression(data[key], dot + " -> " + key, avroTypeBuilder) elif key == "if": _ifPredicate = _readExpression(data[key], dot + " -> " + key, avroTypeBuilder) elif key == "while": _whilePredicate = _readExpression(data[key], dot + " -> " + key, avroTypeBuilder) elif key == "until": _until = _readExpression(data[key], dot + " -> " + key, avroTypeBuilder) elif key == "unpack": _unpack = _readExpression(data[key], dot + " -> " + key, avroTypeBuilder) elif key == "del": _dell = _readExpression(data[key], dot + " -> " + key, avroTypeBuilder) elif key == "cond": _cond = _readExpressionArray(data[key], dot + " -> " + key, avroTypeBuilder) if any(x.elseClause is not None for x in _cond): raise PFASyntaxException("cond expression must only contain else-less if expressions", pos(dot, at)) elif key == "cases": _cases = _readCastCaseArray(data[key], dot + " -> " + key, avroTypeBuilder) elif key == "foreach": _foreach = _readString(data[key], dot + " -> " + key) elif key == "forkey": _forkey = _readString(data[key], dot + " -> " + key) elif key == "forval": _forval = _readString(data[key], dot + " -> " + key) elif key == "fcn": _fcnref = _readString(data[key], dot + " -> " + key) elif key == "cell": _cell = _readString(data[key], dot + " -> " + key) elif key == "pool": _pool = _readString(data[key], dot + " -> " + key) elif key == "in": _in = _readExpression(data[key], dot + " -> " + key, avroTypeBuilder) elif key == "cast": _cast = _readExpression(data[key], dot + " -> " + key, avroTypeBuilder) elif key == "upcast": _upcast = _readExpression(data[key], dot + " -> " + key, avroTypeBuilder) elif key == "init": _init = _readExpression(data[key], dot + " -> " + key, avroTypeBuilder) elif key == "call": _callwith = _readExpression(data[key], dot + " -> " + key, avroTypeBuilder) elif key == "seq": _seq = _readBoolean(data[key], dot + " -> " + key) elif key == "partial": _partial = _readBoolean(data[key], dot + " -> " + key) elif key == "doc": _doc = _readString(data[key], dot + " -> " + key) elif key == "error": _error = _readString(data[key], dot + " -> " + key) elif key == "code": _code = _readInt(data[key], dot + " -> " + key) elif key == "namespace": _namespace = _readString(data[key], dot + " -> " + key) elif key == "new": if isinstance(data[key], dict): _newObject = _readExpressionMap(data[key], dot + " -> " + key, avroTypeBuilder) elif isinstance(data[key], (list, tuple)): _newArray = _readExpressionArray(data[key], dot + " -> " + key, avroTypeBuilder) else: raise PFASyntaxException("\"new\" must be an object (map, record) or an array", pos(dot, at)) elif key == "params": _params = _readParams(data[key], dot + " -> " + key, avroTypeBuilder) elif key == "ret": _ret = _readAvroPlaceholder(data[key], dot + " -> " + key, avroTypeBuilder) elif key == "as": _as = _readAvroPlaceholder(data[key], dot + " -> " + key, avroTypeBuilder) elif key == "to": _to = _readArgument(data[key], dot + " -> " + key, avroTypeBuilder) elif key == "fill": _fill = _readArgumentMap(data[key], dot + " -> " + key, avroTypeBuilder) elif key == "filter": _filter = _readStringOrIntArray(data[key], dot + " -> " + key) elif key == "format": _format = _readStringPairs(data[key], dot + " -> " + key) elif key == "pack": _pack = _readStringExpressionPairs(data[key], dot + " -> " + key, avroTypeBuilder) else: _callName = key if isinstance(data[key], (list, tuple)): _callArgs = _readArgumentArray(data[key], dot + " -> " + key, avroTypeBuilder) else: _callArgs = [_readArgument(data[key], dot + " -> " + key, avroTypeBuilder)] if "foreach" in keys and not validSymbolName(_foreach): raise PFASyntaxException("\"{0}\" is not a valid symbol name".format(data[keys]), pos(dot, at)) if "forkey" in keys and not validSymbolName(_forkey): raise PFASyntaxException("\"{0}\" is not a valid symbol name".format(data[keys]), pos(dot, at)) if "forval" in keys and not validSymbolName(_forval): raise PFASyntaxException("\"{0}\" is not a valid symbol name".format(data[keys]), pos(dot, at)) if "fcn" in keys and not validFunctionName(_fcnref): raise PFASyntaxException("\"{0}\" is not a valid function name".format(data[keys]), pos(dot, at)) if keys == set(["int"]): return LiteralInt(_int, pos(dot, at)) elif keys == set(["long"]): return LiteralLong(_long, pos(dot, at)) elif keys == set(["float"]): return LiteralFloat(_float, pos(dot, at)) elif keys == set(["double"]): return LiteralDouble(_double, pos(dot, at)) elif keys == set(["string"]): return LiteralString(_string, pos(dot, at)) elif keys == set(["base64"]): return LiteralBase64(_bytes, pos(dot, at)) elif keys == set(["type", "value"]): return Literal(_avroType, _value, pos(dot, at)) elif keys == set(["new", "type"]) and _newObject is not None: return NewObject(_newObject, _avroType, pos(dot, at)) elif keys == set(["new", "type"]) and _newArray is not None: return NewArray(_newArray, _avroType, pos(dot, at)) elif keys == set(["do"]): return Do(_body, pos(dot, at)) elif keys == set(["let"]): return Let(_let, pos(dot, at)) elif keys == set(["set"]): return SetVar(_set, pos(dot, at)) elif keys == set(["attr", "path"]): return AttrGet(_attr, _path, pos(dot, at)) elif keys == set(["attr", "path", "to"]): return AttrTo(_attr, _path, _to, pos(dot, at)) elif keys == set(["cell"]) or \ keys == set(["cell", "path"]): return CellGet(_cell, _path, pos(dot, at)) elif keys == set(["cell", "to"]) or \ keys == set(["cell", "path", "to"]): return CellTo(_cell, _path, _to, pos(dot, at)) elif keys == set(["pool", "path"]): return PoolGet(_pool, _path, pos(dot, at)) elif keys == set(["pool", "path", "to", "init"]): return PoolTo(_pool, _path, _to, _init, pos(dot, at)) elif keys == set(["pool", "del"]): return PoolDel(_pool, _dell, pos(dot, at)) elif keys == set(["if", "then"]): return If(_ifPredicate, _thenClause, None, pos(dot, at)) elif keys == set(["if", "then", "else"]): return If(_ifPredicate, _thenClause, _elseClause, pos(dot, at)) elif keys == set(["cond"]): return Cond(_cond, None, pos(dot, at)) elif keys == set(["cond", "else"]): return Cond(_cond, _elseClause, pos(dot, at)) elif keys == set(["while", "do"]): return While(_whilePredicate, _body, pos(dot, at)) elif keys == set(["do", "until"]): return DoUntil(_body, _until, pos(dot, at)) elif keys == set(["for", "while", "step", "do"]): return For(_forlet, _whilePredicate, _forstep, _body, pos(dot, at)) elif keys == set(["foreach", "in", "do"]) or \ keys == set(["foreach", "in", "do", "seq"]): return Foreach(_foreach, _in, _body, _seq, pos(dot, at)) elif keys == set(["forkey", "forval", "in", "do"]): return Forkeyval(_forkey, _forval, _in, _body, pos(dot, at)) elif keys == set(["cast", "cases"]) or \ keys == set(["cast", "cases", "partial"]): return CastBlock(_cast, _cases, _partial, pos(dot, at)) elif keys == set(["upcast", "as"]): return Upcast(_upcast, _as, pos(dot, at)) elif keys == set(["ifnotnull", "then"]): return IfNotNull(_ifnotnull, _thenClause, None, pos(dot, at)) elif keys == set(["ifnotnull", "then", "else"]): return IfNotNull(_ifnotnull, _thenClause, _elseClause, pos(dot, at)) elif keys == set(["pack"]): return Pack(_pack, pos(dot, at)) elif keys == set(["unpack", "format", "then"]): return Unpack(_unpack, _format, _thenClause, None, pos(dot, at)) elif keys == set(["unpack", "format", "then", "else"]): return Unpack(_unpack, _format, _thenClause, _elseClause, pos(dot, at)) elif keys == set(["doc"]): return Doc(_doc, pos(dot, at)) elif keys == set(["error"]): return Error(_error, None, pos(dot, at)) elif keys == set(["error", "code"]): return Error(_error, _code, pos(dot, at)) elif keys == set(["try"]) or \ keys == set(["try", "filter"]): return Try(_trycatch, _filter, pos(dot, at)) elif keys == set(["log"]): return Log(_log, None, pos(dot, at)) elif keys == set(["log", "namespace"]): return Log(_log, _namespace, pos(dot, at)) elif keys == set(["params", "ret", "do"]): return FcnDef(_params, _ret, _body, pos(dot, at)) elif keys == set(["fcn"]): return FcnRef(_fcnref, pos(dot, at)) elif keys == set(["fcn", "fill"]): return FcnRefFill(_fcnref, _fill, pos(dot, at)) elif keys == set(["call", "args"]): return CallUserFcn(_callwith, _callwithargs, pos(dot, at)) elif len(keys) == 1 and list(keys)[0] not in \ set(["args", "as", "attr", "base64", "call", "cases", "cast", "cell", "code", "cond", "do", "doc", "double", "else", "error", "fcn", "fill", "filter", "float", "for", "foreach", "forkey", "format", "forval", "if", "ifnotnull", "in", "init", "int", "let", "log", "long", "namespace", "new", "pack", "params", "partial", "path", "pool", "ret", "seq", "set", "step", "string", "then", "to", "try", "type", "unpack", "until", "upcast", "value", "while"]): return Call(_callName, _callArgs, pos(dot, at)) else: raise PFASyntaxException("unrecognized special form: {0} (not enough arguments? too many?)".format(", ".join(keys)), pos(dot, at)) else: raise PFASyntaxException("expected expression, not " + _trunc(repr(data)), dot)
def _readArgument(data, dot, avroTypeBuilder): if data is None: return LiteralNull(dot) elif isinstance(data, bool): return LiteralBoolean(data, dot) elif isinstance(data, int): if -2147483648 <= data <= 2147483647: return LiteralInt(data, dot) elif -9223372036854775808 <= data <= 9223372036854775807: return LiteralLong(data, dot) else: raise PFASyntaxException("integer out of range: " + str(data), dot) elif isinstance(data, float): return LiteralDouble(data, dot) elif isinstance(data, str): if "." in data: words = data.split(".") ref = words[0] rest = words[1:] if not validSymbolName(ref): raise PFASyntaxException("\"{0}\" is not a valid symbol name".format(ref), dot) for i in range(len(rest)): try: asint = int(rest[i]) except ValueError: rest[i] = LiteralString(rest[i], dot) else: rest[i] = LiteralInt(asint, dot) return AttrGet(Ref(ref), rest, dot) elif validSymbolName(data): return Ref(data, dot) else: raise PFASyntaxException("\"{0}\" is not a valid symbol name".format(data), dot) elif isinstance(data, (list, tuple)): if len(data) == 1 and isinstance(data[0], str): return LiteralString(data[0], dot) else: raise PFASyntaxException("expecting expression, which may be [\"string\"], but no other array can be used as an expression", dot) elif isinstance(data, dict): at = data.get("@") keys = set(x for x in data.keys() if x != "@") _path = [] _seq = True _partial = False _code = 0 _newObject = None _newArray = None _filter = None for key in keys: if key == "int": _int = _readInt(data[key], dot + " -> " + key) elif key == "long": _long = _readLong(data[key], dot + " -> " + key) elif key == "float": _float = _readFloat(data[key], dot + " -> " + key) elif key == "double": _double = _readDouble(data[key], dot + " -> " + key) elif key == "string": _string = _readString(data[key], dot + " -> " + key) elif key == "base64": _bytes = _readBase64(data[key], dot + " -> " + key) elif key == "type": _avroType = _readAvroPlaceholder(data[key], dot + " -> " + key, avroTypeBuilder) elif key == "value": _value = _readJsonToString(data[key], dot + " -> " + key) elif key == "let": _let = _readExpressionMap(data[key], dot + " -> " + key, avroTypeBuilder) elif key == "set": _set = _readExpressionMap(data[key], dot + " -> " + key, avroTypeBuilder) elif key == "for": _forlet = _readExpressionMap(data[key], dot + " -> " + key, avroTypeBuilder) elif key == "step": _forstep = _readExpressionMap(data[key], dot + " -> " + key, avroTypeBuilder) elif key == "ifnotnull": _ifnotnull = _readExpressionMap(data[key], dot + " -> " + key, avroTypeBuilder) elif key == "do": if isinstance(data[key], (list, tuple)): _body = _readExpressionArray(data[key], dot + " -> " + key, avroTypeBuilder) else: _body = [_readExpression(data[key], dot + " -> " + key, avroTypeBuilder)] elif key == "then": if isinstance(data[key], (list, tuple)): _thenClause = _readExpressionArray(data[key], dot + " -> " + key, avroTypeBuilder) else: _thenClause = [_readExpression(data[key], dot + " -> " + key, avroTypeBuilder)] elif key == "else": if isinstance(data[key], (list, tuple)): _elseClause = _readExpressionArray(data[key], dot + " -> " + key, avroTypeBuilder) else: _elseClause = [_readExpression(data[key], dot + " -> " + key, avroTypeBuilder)] elif key == "log": if isinstance(data[key], (list, tuple)): _log = _readExpressionArray(data[key], dot + " -> " + key, avroTypeBuilder) else: _log = [_readExpression(data[key], dot + " -> " + key, avroTypeBuilder)] elif key == "path": _path = _readExpressionArray(data[key], dot + " -> " + key, avroTypeBuilder) elif key == "args": _callwithargs = _readExpressionArray(data[key], dot + " -> " + key, avroTypeBuilder) elif key == "try": if isinstance(data[key], (list, tuple)): _trycatch = _readExpressionArray(data[key], dot + " -> " + key, avroTypeBuilder) else: _trycatch = [_readExpression(data[key], dot + " -> " + key, avroTypeBuilder)] elif key == "attr": _attr = _readExpression(data[key], dot + " -> " + key, avroTypeBuilder) elif key == "if": _ifPredicate = _readExpression(data[key], dot + " -> " + key, avroTypeBuilder) elif key == "while": _whilePredicate = _readExpression(data[key], dot + " -> " + key, avroTypeBuilder) elif key == "until": _until = _readExpression(data[key], dot + " -> " + key, avroTypeBuilder) elif key == "unpack": _unpack = _readExpression(data[key], dot + " -> " + key, avroTypeBuilder) elif key == "del": _dell = _readExpression(data[key], dot + " -> " + key, avroTypeBuilder) elif key == "cond": _cond = _readExpressionArray(data[key], dot + " -> " + key, avroTypeBuilder) if any(x.elseClause is not None for x in _cond): raise PFASyntaxException("cond expression must only contain else-less if expressions", pos(dot, at)) elif key == "cases": _cases = _readCastCaseArray(data[key], dot + " -> " + key, avroTypeBuilder) elif key == "foreach": _foreach = _readString(data[key], dot + " -> " + key) elif key == "forkey": _forkey = _readString(data[key], dot + " -> " + key) elif key == "forval": _forval = _readString(data[key], dot + " -> " + key) elif key == "fcn": _fcnref = _readString(data[key], dot + " -> " + key) elif key == "cell": _cell = _readString(data[key], dot + " -> " + key) elif key == "pool": _pool = _readString(data[key], dot + " -> " + key) elif key == "in": _in = _readExpression(data[key], dot + " -> " + key, avroTypeBuilder) elif key == "cast": _cast = _readExpression(data[key], dot + " -> " + key, avroTypeBuilder) elif key == "upcast": _upcast = _readExpression(data[key], dot + " -> " + key, avroTypeBuilder) elif key == "init": _init = _readExpression(data[key], dot + " -> " + key, avroTypeBuilder) elif key == "call": _callwith = _readExpression(data[key], dot + " -> " + key, avroTypeBuilder) elif key == "seq": _seq = _readBoolean(data[key], dot + " -> " + key) elif key == "partial": _partial = _readBoolean(data[key], dot + " -> " + key) elif key == "doc": _doc = _readString(data[key], dot + " -> " + key) elif key == "error": _error = _readString(data[key], dot + " -> " + key) elif key == "code": _code = _readInt(data[key], dot + " -> " + key) elif key == "namespace": _namespace = _readString(data[key], dot + " -> " + key) elif key == "new": if isinstance(data[key], dict): _newObject = _readExpressionMap(data[key], dot + " -> " + key, avroTypeBuilder) elif isinstance(data[key], (list, tuple)): _newArray = _readExpressionArray(data[key], dot + " -> " + key, avroTypeBuilder) else: raise PFASyntaxException("\"new\" must be an object (map, record) or an array", pos(dot, at)) elif key == "params": _params = _readParams(data[key], dot + " -> " + key, avroTypeBuilder) elif key == "ret": _ret = _readAvroPlaceholder(data[key], dot + " -> " + key, avroTypeBuilder) elif key == "as": _as = _readAvroPlaceholder(data[key], dot + " -> " + key, avroTypeBuilder) elif key == "to": _to = _readArgument(data[key], dot + " -> " + key, avroTypeBuilder) elif key == "fill": _fill = _readArgumentMap(data[key], dot + " -> " + key, avroTypeBuilder) elif key == "filter": _filter = _readStringOrIntArray(data[key], dot + " -> " + key) elif key == "format": _format = _readStringPairs(data[key], dot + " -> " + key) elif key == "pack": _pack = _readStringExpressionPairs(data[key], dot + " -> " + key, avroTypeBuilder) else: _callName = key if isinstance(data[key], (list, tuple)): _callArgs = _readArgumentArray(data[key], dot + " -> " + key, avroTypeBuilder) else: _callArgs = [_readArgument(data[key], dot + " -> " + key, avroTypeBuilder)] if "foreach" in keys and not validSymbolName(_foreach): raise PFASyntaxException("\"{0}\" is not a valid symbol name".format(data[keys]), pos(dot, at)) if "forkey" in keys and not validSymbolName(_forkey): raise PFASyntaxException("\"{0}\" is not a valid symbol name".format(data[keys]), pos(dot, at)) if "forval" in keys and not validSymbolName(_forval): raise PFASyntaxException("\"{0}\" is not a valid symbol name".format(data[keys]), pos(dot, at)) if "fcn" in keys and not validFunctionName(_fcnref): raise PFASyntaxException("\"{0}\" is not a valid function name".format(data[keys]), pos(dot, at)) if keys == set(["int"]): return LiteralInt(_int, pos(dot, at)) elif keys == set(["long"]): return LiteralLong(_long, pos(dot, at)) elif keys == set(["float"]): return LiteralFloat(_float, pos(dot, at)) elif keys == set(["double"]): return LiteralDouble(_double, pos(dot, at)) elif keys == set(["string"]): return LiteralString(_string, pos(dot, at)) elif keys == set(["base64"]): return LiteralBase64(_bytes, pos(dot, at)) elif keys == set(["type", "value"]): return Literal(_avroType, _value, pos(dot, at)) elif keys == set(["new", "type"]) and _newObject is not None: return NewObject(_newObject, _avroType, pos(dot, at)) elif keys == set(["new", "type"]) and _newArray is not None: return NewArray(_newArray, _avroType, pos(dot, at)) elif keys == set(["do"]): return Do(_body, pos(dot, at)) elif keys == set(["let"]): return Let(_let, pos(dot, at)) elif keys == set(["set"]): return SetVar(_set, pos(dot, at)) elif keys == set(["attr", "path"]): return AttrGet(_attr, _path, pos(dot, at)) elif keys == set(["attr", "path", "to"]): return AttrTo(_attr, _path, _to, pos(dot, at)) elif keys == set(["cell"]) or \ keys == set(["cell", "path"]): return CellGet(_cell, _path, pos(dot, at)) elif keys == set(["cell", "to"]) or \ keys == set(["cell", "path", "to"]): return CellTo(_cell, _path, _to, pos(dot, at)) elif keys == set(["pool", "path"]): return PoolGet(_pool, _path, pos(dot, at)) elif keys == set(["pool", "path", "to", "init"]): return PoolTo(_pool, _path, _to, _init, pos(dot, at)) elif keys == set(["pool", "del"]): return PoolDel(_pool, _dell, pos(dot, at)) elif keys == set(["if", "then"]): return If(_ifPredicate, _thenClause, None, pos(dot, at)) elif keys == set(["if", "then", "else"]): return If(_ifPredicate, _thenClause, _elseClause, pos(dot, at)) elif keys == set(["cond"]): return Cond(_cond, None, pos(dot, at)) elif keys == set(["cond", "else"]): return Cond(_cond, _elseClause, pos(dot, at)) elif keys == set(["while", "do"]): return While(_whilePredicate, _body, pos(dot, at)) elif keys == set(["do", "until"]): return DoUntil(_body, _until, pos(dot, at)) elif keys == set(["for", "while", "step", "do"]): return For(_forlet, _whilePredicate, _forstep, _body, pos(dot, at)) elif keys == set(["foreach", "in", "do"]) or \ keys == set(["foreach", "in", "do", "seq"]): return Foreach(_foreach, _in, _body, _seq, pos(dot, at)) elif keys == set(["forkey", "forval", "in", "do"]): return Forkeyval(_forkey, _forval, _in, _body, pos(dot, at)) elif keys == set(["cast", "cases"]) or \ keys == set(["cast", "cases", "partial"]): return CastBlock(_cast, _cases, _partial, pos(dot, at)) elif keys == set(["upcast", "as"]): return Upcast(_upcast, _as, pos(dot, at)) elif keys == set(["ifnotnull", "then"]): return IfNotNull(_ifnotnull, _thenClause, None, pos(dot, at)) elif keys == set(["ifnotnull", "then", "else"]): return IfNotNull(_ifnotnull, _thenClause, _elseClause, pos(dot, at)) elif keys == set(["pack"]): return Pack(_pack, pos(dot, at)) elif keys == set(["unpack", "format", "then"]): return Unpack(_unpack, _format, _thenClause, None, pos(dot, at)) elif keys == set(["unpack", "format", "then", "else"]): return Unpack(_unpack, _format, _thenClause, _elseClause, pos(dot, at)) elif keys == set(["doc"]): return Doc(_doc, pos(dot, at)) elif keys == set(["error"]): return Error(_error, None, pos(dot, at)) elif keys == set(["error", "code"]): return Error(_error, _code, pos(dot, at)) elif keys == set(["try"]) or \ keys == set(["try", "filter"]): return Try(_trycatch, _filter, pos(dot, at)) elif keys == set(["log"]): return Log(_log, None, pos(dot, at)) elif keys == set(["log", "namespace"]): return Log(_log, _namespace, pos(dot, at)) elif keys == set(["params", "ret", "do"]): return FcnDef(_params, _ret, _body, pos(dot, at)) elif keys == set(["fcn"]): return FcnRef(_fcnref, pos(dot, at)) elif keys == set(["fcn", "fill"]): return FcnRefFill(_fcnref, _fill, pos(dot, at)) elif keys == set(["call", "args"]): return CallUserFcn(_callwith, _callwithargs, pos(dot, at)) elif len(keys) == 1 and list(keys)[0] not in \ set(["args", "as", "attr", "base64", "call", "cases", "cast", "cell", "code", "cond", "do", "doc", "double", "else", "error", "fcn", "fill", "filter", "float", "for", "foreach", "forkey", "format", "forval", "if", "ifnotnull", "in", "init", "int", "let", "log", "long", "namespace", "new", "pack", "params", "partial", "path", "pool", "ret", "seq", "set", "step", "string", "then", "to", "try", "type", "unpack", "until", "upcast", "value", "while"]): return Call(_callName, _callArgs, pos(dot, at)) else: raise PFASyntaxException("unrecognized special form: {0} (not enough arguments? too many?)".format(", ".join(keys)), pos(dot, at)) else: raise PFASyntaxException("expected expression, not " + _trunc(repr(data)), dot)