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 7 module Python 8 { 9 mod = Module(stmt* body) 10 | Interactive(stmt* body) 11 | Expression(expr body) 12 13 -- not really an actual node but useful in Jython's typesystem. 14 | Suite(stmt* body) 15 16 stmt = FunctionDef(identifier name, arguments args, 17 stmt* body, expr* decorator_list, expr? returns) 18 | AsyncFunctionDef(identifier name, arguments args, 19 stmt* body, expr* decorator_list, expr? returns) 20 21 | ClassDef(identifier name, 22 expr* bases, 23 keyword* keywords, 24 stmt* body, 25 expr* decorator_list) 26 | Return(expr? value) 27 28 | Delete(expr* targets) 29 | Assign(expr* targets, expr value) 30 | AugAssign(expr target, operator op, expr value) 31 -- 'simple' indicates that we annotate simple name without parens 32 | AnnAssign(expr target, expr annotation, expr? value, int simple) 33 34 -- use 'orelse' because else is a keyword in target languages 35 | For(expr target, expr iter, stmt* body, stmt* orelse) 36 | AsyncFor(expr target, expr iter, stmt* body, stmt* orelse) 37 | While(expr test, stmt* body, stmt* orelse) 38 | If(expr test, stmt* body, stmt* orelse) 39 | With(withitem* items, stmt* body) 40 | AsyncWith(withitem* items, stmt* body) 41 42 | Raise(expr? exc, expr? cause) 43 | Try(stmt* body, excepthandler* handlers, stmt* orelse, stmt* finalbody) 44 | Assert(expr test, expr? msg) 45 46 | Import(alias* names) 47 | ImportFrom(identifier? module, alias* names, int? level) 48 49 | Global(identifier* names) 50 | Nonlocal(identifier* names) 51 | Expr(expr value) 52 | Pass | Break | Continue 53 54 -- XXX Jython will be different 55 -- col_offset is the byte offset in the utf8 string the parser uses 56 attributes (int lineno, int col_offset) 57 58 -- BoolOp() can use left & right? 59 expr = BoolOp(boolop op, expr* values) 60 | BinOp(expr left, operator op, expr right) 61 | UnaryOp(unaryop op, expr operand) 62 | Lambda(arguments args, expr body) 63 | IfExp(expr test, expr body, expr orelse) 64 | Dict(expr* keys, expr* values) 65 | Set(expr* elts) 66 | ListComp(expr elt, comprehension* generators) 67 | SetComp(expr elt, comprehension* generators) 68 | DictComp(expr key, expr value, comprehension* generators) 69 | GeneratorExp(expr elt, comprehension* generators) 70 -- the grammar constrains where yield expressions can occur 71 | Await(expr value) 72 | Yield(expr? value) 73 | YieldFrom(expr value) 74 -- need sequences for compare to distinguish between 75 -- x < 4 < 3 and (x < 4) < 3 76 | Compare(expr left, cmpop* ops, expr* comparators) 77 | Call(expr func, expr* args, keyword* keywords) 78 | Num(object n) -- a number as a PyObject. 79 | Str(string s) -- need to specify raw, unicode, etc? 80 | FormattedValue(expr value, int? conversion, expr? format_spec) 81 | JoinedStr(expr* values) 82 | Bytes(bytes s) 83 | NameConstant(singleton value) 84 | Ellipsis 85 | Constant(constant value) 86 87 -- the following expression can appear in assignment context 88 | Attribute(expr value, identifier attr, expr_context ctx) 89 | Subscript(expr value, slice slice, expr_context ctx) 90 | Starred(expr value, expr_context ctx) 91 | Name(identifier id, expr_context ctx) 92 | List(expr* elts, expr_context ctx) 93 | Tuple(expr* elts, expr_context ctx) 94 95 -- col_offset is the byte offset in the utf8 string the parser uses 96 attributes (int lineno, int col_offset) 97 98 expr_context = Load | Store | Del | AugLoad | AugStore | Param 99 100 slice = Slice(expr? lower, expr? upper, expr? step) 101 | ExtSlice(slice* dims) 102 | Index(expr value) 103 104 boolop = And | Or 105 106 operator = Add | Sub | Mult | MatMult | Div | Mod | Pow | LShift 107 | RShift | BitOr | BitXor | BitAnd | FloorDiv 108 109 unaryop = Invert | Not | UAdd | USub 110 111 cmpop = Eq | NotEq | Lt | LtE | Gt | GtE | Is | IsNot | In | NotIn 112 113 comprehension = (expr target, expr iter, expr* ifs, int is_async) 114 115 excepthandler = ExceptHandler(expr? type, identifier? name, stmt* body) 116 attributes (int lineno, int col_offset) 117 118 arguments = (arg* args, arg? vararg, arg* kwonlyargs, expr* kw_defaults, 119 arg? kwarg, expr* defaults) 120 121 arg = (identifier arg, expr? annotation) 122 attributes (int lineno, int col_offset) 123 124 -- keyword arguments supplied to call (NULL identifier for **kwargs) 125 keyword = (identifier? arg, expr value) 126 127 -- import name with optional 'as' alias. 128 alias = (identifier name, identifier? asname) 129 130 withitem = (expr context_expr, expr? optional_vars) 131 } 132 133
