1-- ASDL's 7 builtin types are: 2-- identifier, int, string, bytes, object, singleton, constant 3-- 4-- singleton: None, True or False 5-- constant can be None, whereas None means "no value" for object. 6 7module Python 8{ 9 mod = Module(stmt* body, type_ignore *type_ignores) 10 | Interactive(stmt* body) 11 | Expression(expr body) 12 | FunctionType(expr* argtypes, expr returns) 13 14 -- not really an actual node but useful in Jython's typesystem. 15 | Suite(stmt* body) 16 17 stmt = FunctionDef(identifier name, arguments args, 18 stmt* body, expr* decorator_list, expr? returns, string? type_comment) 19 | AsyncFunctionDef(identifier name, arguments args, 20 stmt* body, expr* decorator_list, expr? returns, string? type_comment) 21 22 | ClassDef(identifier name, 23 expr* bases, 24 keyword* keywords, 25 stmt* body, 26 expr* decorator_list) 27 | Return(expr? value) 28 29 | Delete(expr* targets) 30 | Assign(expr* targets, expr value, string? type_comment) 31 | AugAssign(expr target, operator op, expr value) 32 -- 'simple' indicates that we annotate simple name without parens 33 | AnnAssign(expr target, expr annotation, expr? value, int simple) 34 35 -- use 'orelse' because else is a keyword in target languages 36 | For(expr target, expr iter, stmt* body, stmt* orelse, string? type_comment) 37 | AsyncFor(expr target, expr iter, stmt* body, stmt* orelse, string? type_comment) 38 | While(expr test, stmt* body, stmt* orelse) 39 | If(expr test, stmt* body, stmt* orelse) 40 | With(withitem* items, stmt* body, string? type_comment) 41 | AsyncWith(withitem* items, stmt* body, string? type_comment) 42 43 | Raise(expr? exc, expr? cause) 44 | Try(stmt* body, excepthandler* handlers, stmt* orelse, stmt* finalbody) 45 | Assert(expr test, expr? msg) 46 47 | Import(alias* names) 48 | ImportFrom(identifier? module, alias* names, int? level) 49 50 | Global(identifier* names) 51 | Nonlocal(identifier* names) 52 | Expr(expr value) 53 | Pass | Break | Continue 54 55 -- XXX Jython will be different 56 -- col_offset is the byte offset in the utf8 string the parser uses 57 attributes (int lineno, int col_offset) 58 59 -- BoolOp() can use left & right? 60 expr = BoolOp(boolop op, expr* values) 61 | BinOp(expr left, operator op, expr right) 62 | UnaryOp(unaryop op, expr operand) 63 | Lambda(arguments args, expr body) 64 | IfExp(expr test, expr body, expr orelse) 65 | Dict(expr* keys, expr* values) 66 | Set(expr* elts) 67 | ListComp(expr elt, comprehension* generators) 68 | SetComp(expr elt, comprehension* generators) 69 | DictComp(expr key, expr value, comprehension* generators) 70 | GeneratorExp(expr elt, comprehension* generators) 71 -- the grammar constrains where yield expressions can occur 72 | Await(expr value) 73 | Yield(expr? value) 74 | YieldFrom(expr value) 75 -- need sequences for compare to distinguish between 76 -- x < 4 < 3 and (x < 4) < 3 77 | Compare(expr left, cmpop* ops, expr* comparators) 78 | Call(expr func, expr* args, keyword* keywords) 79 | Num(object n) -- a number as a PyObject. 80 | Str(string s, string kind) 81 | FormattedValue(expr value, int? conversion, expr? format_spec) 82 | JoinedStr(expr* values) 83 | Bytes(bytes s, string kind) 84 | NameConstant(singleton value) 85 | Ellipsis 86 | Constant(constant value) 87 88 -- the following expression can appear in assignment context 89 | Attribute(expr value, identifier attr, expr_context ctx) 90 | Subscript(expr value, slice slice, expr_context ctx) 91 | Starred(expr value, expr_context ctx) 92 | Name(identifier id, expr_context ctx) 93 | List(expr* elts, expr_context ctx) 94 | Tuple(expr* elts, expr_context ctx) 95 96 -- col_offset is the byte offset in the utf8 string the parser uses 97 attributes (int lineno, int col_offset) 98 99 expr_context = Load | Store | Del | AugLoad | AugStore | Param 100 101 slice = Slice(expr? lower, expr? upper, expr? step) 102 | ExtSlice(slice* dims) 103 | Index(expr value) 104 105 boolop = And | Or 106 107 operator = Add | Sub | Mult | MatMult | Div | Mod | Pow | LShift 108 | RShift | BitOr | BitXor | BitAnd | FloorDiv 109 110 unaryop = Invert | Not | UAdd | USub 111 112 cmpop = Eq | NotEq | Lt | LtE | Gt | GtE | Is | IsNot | In | NotIn 113 114 comprehension = (expr target, expr iter, expr* ifs, int is_async) 115 116 excepthandler = ExceptHandler(expr? type, identifier? name, stmt* body) 117 attributes (int lineno, int col_offset) 118 119 arguments = (arg* args, arg? vararg, arg* kwonlyargs, expr* kw_defaults, 120 arg? kwarg, expr* defaults) 121 122 arg = (identifier arg, expr? annotation, string? type_comment) 123 attributes (int lineno, int col_offset) 124 125 -- keyword arguments supplied to call (NULL identifier for **kwargs) 126 keyword = (identifier? arg, expr value) 127 128 -- import name with optional 'as' alias. 129 alias = (identifier name, identifier? asname) 130 131 withitem = (expr context_expr, expr? optional_vars) 132 133 type_ignore = TypeIgnore(int lineno, string tag) 134} 135