def _infer_type(self, type_env: Env.Types) -> T.Base: if not self.items: return T.Array(None) for item in self.items: item.infer_type(type_env, self._check_quant) # Start by assuming the type of the first item is the item type item_type: T.Base = self.items[0].type # Allow a mixture of Int and Float to construct Array[Float] if isinstance(item_type, T.Int): for item in self.items: if isinstance(item.type, T.Float): item_type = T.Float() # If any item is String, assume item type is String # If any item has optional quantifier, assume item type is optional # If all items have nonempty quantifier, assume item type is nonempty all_nonempty = len(self.items) > 0 for item in self.items: if isinstance(item.type, T.String): item_type = T.String(optional=item_type.optional) if item.type.optional: item_type = item_type.copy(optional=True) if isinstance(item.type, T.Array) and not item.type.nonempty: all_nonempty = False if isinstance(item_type, T.Array): item_type = item_type.copy(nonempty=all_nonempty) # Check all items are coercible to item_type for item in self.items: try: item.typecheck(item_type) except Error.StaticTypeMismatch: self._type = T.Array(item_type, optional=False, nonempty=True) raise Error.StaticTypeMismatch( self, item_type, item.type, "(inconsistent types within array)") from None return T.Array(item_type, optional=False, nonempty=True)
def infer_type(self, expr: E.Apply) -> T.Base: assert len(expr.arguments) == 2 rt = T.Int() if isinstance(expr.arguments[0].type, T.Float) or isinstance( expr.arguments[1].type, T.Float): rt = T.Float() try: expr.arguments[0].typecheck(rt) expr.arguments[1].typecheck(rt) except Error.StaticTypeMismatch: raise Error.IncompatibleOperand( expr, "Non-numeric operand to " + self.name + " operator") from None return rt
def _infer_type(self, type_env: Env.Types) -> T.Base: # check for Boolean condition if self.condition.infer_type(type_env, self._check_quant).type != T.Boolean(): raise Error.StaticTypeMismatch(self, T.Boolean(), self.condition.type, "in if condition") # Unify consequent & alternative types. Subtleties: # 1. If either is optional, unify to optional # 2. If one is Int and the other is Float, unify to Float # 3. If one is a nonempty array and the other is a possibly empty # array, unify to possibly empty array self_type = self.consequent.infer_type(type_env, self._check_quant).type assert isinstance(self_type, T.Base) self.alternative.infer_type(type_env, self._check_quant) if isinstance(self_type, T.Int) and isinstance(self.alternative.type, T.Float): self_type = T.Float(optional=self_type.optional) if self.alternative.type.optional: self_type = self_type.copy(optional=True) if (isinstance(self_type, T.Array) and isinstance(self.consequent.type, T.Array) and isinstance(self.alternative.type, T.Array)): self_type = self_type.copy(nonempty=( # pyre-ignore self.consequent.type.nonempty and self.alternative.type.nonempty # pyre-ignore )) try: self.consequent.typecheck(self_type) self.alternative.typecheck(self_type) except Error.StaticTypeMismatch: raise Error.StaticTypeMismatch( self, self.consequent.type, # pyre-ignore self.alternative.type, " (if consequent & alternative must have the same type)", ) from None return self_type
def infer_type(self, expr: E.Apply) -> T.Base: if not expr.arguments: raise Error.WrongArity(expr, 1) if not expr.arguments[0].type.coerces(T.File(optional=True)): if isinstance(expr.arguments[0].type, T.Array): if expr.arguments[0].type.optional or not expr.arguments[0].type.item_type.coerces( T.File(optional=True) ): raise Error.StaticTypeMismatch( expr.arguments[0], T.Array(T.File(optional=True)), expr.arguments[0].type ) else: raise Error.StaticTypeMismatch( expr.arguments[0], T.File(optional=True), expr.arguments[0].type ) if len(expr.arguments) == 2: if expr.arguments[1].type != T.String(): raise Error.StaticTypeMismatch( expr.arguments[1], T.String(), expr.arguments[1].type ) elif len(expr.arguments) > 2: raise Error.WrongArity(expr, 2) return T.Float()
def __init__(self, value: float) -> None: super().__init__(T.Float(), value)
def float_type(self, items, meta): optional = False if items and items[0].value == "?": optional = True return T.Float(optional)
def _infer_type(self, type_env: Env.Types) -> T.Base: return T.Float()
def __init__(self): # language built-ins self._at = _At() self._land = _And() self._lor = _Or() self._negate = StaticFunction( "_negate", [T.Boolean()], T.Boolean(), lambda x: V.Boolean(not x.value) ) self._add = _AddOperator() self._sub = _ArithmeticOperator("-", lambda l, r: l - r) self._mul = _ArithmeticOperator("*", lambda l, r: l * r) self._div = _ArithmeticOperator("/", lambda l, r: l // r) self._rem = StaticFunction( "_rem", [T.Int(), T.Int()], T.Int(), lambda l, r: V.Int(l.value % r.value) ) self._eqeq = _ComparisonOperator("==", lambda l, r: l == r) self._neq = _ComparisonOperator("!=", lambda l, r: l != r) self._lt = _ComparisonOperator("<", lambda l, r: l < r) self._lte = _ComparisonOperator("<=", lambda l, r: l <= r) self._gt = _ComparisonOperator(">", lambda l, r: l > r) self._gte = _ComparisonOperator(">=", lambda l, r: l >= r) # static stdlib functions for (name, argument_types, return_type, F) in [ ("floor", [T.Float()], T.Int(), lambda v: V.Int(math.floor(v.value))), ("ceil", [T.Float()], T.Int(), lambda v: V.Int(math.ceil(v.value))), ("round", [T.Float()], T.Int(), lambda v: V.Int(round(v.value))), ("length", [T.Array(T.Any())], T.Int(), lambda v: V.Int(len(v.value))), ("sub", [T.String(), T.String(), T.String()], T.String(), _sub), ("basename", [T.String(), T.String(optional=True)], T.String(), _basename), ( "defined", [T.Any(optional=True)], T.Boolean(), lambda v: V.Boolean(not isinstance(v, V.Null)), ), # context-dependent: ("write_lines", [T.Array(T.String())], T.File(), _notimpl), ("write_tsv", [T.Array(T.Array(T.String()))], T.File(), _notimpl), ("write_map", [T.Map((T.Any(), T.Any()))], T.File(), _notimpl), ("write_json", [T.Any()], T.File(), _notimpl), ("stdout", [], T.File(), _notimpl), ("stderr", [], T.File(), _notimpl), ("glob", [T.String()], T.Array(T.File()), _notimpl), ("read_int", [T.File()], T.Int(), _notimpl), ("read_boolean", [T.File()], T.Boolean(), _notimpl), ("read_string", [T.File()], T.String(), _notimpl), ("read_float", [T.File()], T.Float(), _notimpl), ("read_array", [T.File()], T.Array(T.Any()), _notimpl), ("read_map", [T.File()], T.Map((T.Any(), T.Any())), _notimpl), ("read_lines", [T.File()], T.Array(T.Any()), _notimpl), ("read_tsv", [T.File()], T.Array(T.Array(T.String())), _notimpl), ("read_json", [T.File()], T.Any(), _notimpl), ]: setattr(self, name, StaticFunction(name, argument_types, return_type, F)) # polymorphically typed stdlib functions which require specialized # infer_type logic self.range = _Range() self.prefix = _Prefix() self.size = _Size() self.select_first = _SelectFirst() self.select_all = _SelectAll() self.zip = _Zip() self.cross = _Zip() # FIXME self.flatten = _Flatten() self.transpose = _Transpose()
def _notimpl(one: Any = None, two: Any = None) -> None: exec("raise NotImplementedError()") _static_functions: List[Tuple[str, List[T.Base], T.Base, Any]] = [ ("_negate", [T.Boolean()], T.Boolean(), lambda x: V.Boolean(not x.value)), # pyre-fixme ("_rem", [T.Int(), T.Int()], T.Int(), lambda l, r: V.Int(l.value % r.value)), # pyre-fixme ("stdout", [], T.File(), _notimpl), ("basename", [T.String(), T.String(optional=True)], T.String(), _notimpl), # note: size() can take an empty value and probably returns 0 in that case. # e.g. https://github.com/DataBiosphere/topmed-workflows/blob/31ba8a714b36ada929044f2ba3d130936e6c740e/CRAM-no-header-md5sum/md5sum/CRAM_md5sum.wdl#L39 ("size", [T.File(optional=True), T.String(optional=True)], T.Float(), _notimpl), ("ceil", [T.Float()], T.Int(), _notimpl), ("round", [T.Float()], T.Int(), _notimpl), ("glob", [T.String()], T.Array(T.File()), _notimpl), ("read_int", [T.String()], T.Int(), _notimpl), ("read_boolean", [T.String()], T.Boolean(), _notimpl), ("read_string", [T.String()], T.String(), _notimpl), ("read_float", [T.String()], T.Float(), _notimpl), ("read_array", [T.String()], T.Array(None), _notimpl), ("read_map", [T.String()], T.Map(None), _notimpl), ("read_lines", [T.String()], T.Array(None), _notimpl), ("read_tsv", [T.String()], T.Array(T.Array(T.String())), _notimpl), ("write_lines", [T.Array(T.String())], T.File(), _notimpl), ("write_tsv", [T.Array(T.Array(T.String()))], T.File(), _notimpl), ("write_map", [T.Map(None)], T.File(), _notimpl), ("range", [T.Int()], T.Array(T.Int()), _notimpl),