1 -- ASDL's five builtin types are identifier, int, string, object, bool 2 3 module Python version "$Revision$" 4 { 5 mod = Module(stmt* body) 6 | Interactive(stmt* body) 7 | Expression(expr body) 8 9 -- not really an actual node but useful in Jython's typesystem. 10 | Suite(stmt* body) 11 12 stmt = FunctionDef(identifier name, arguments args, 13 stmt* body, expr* decorator_list) 14 | ClassDef(identifier name, expr* bases, stmt* body, expr* decorator_list) 15 | Return(expr? value) 16 17 | Delete(expr* targets) 18 | Assign(expr* targets, expr value) 19 | AugAssign(expr target, operator op, expr value) 20 21 -- not sure if bool is allowed, can always use int 22 | Print(expr? dest, expr* values, bool nl) 23 24 -- use 'orelse' because else is a keyword in target languages 25 | For(expr target, expr iter, stmt* body, stmt* orelse) 26 | While(expr test, stmt* body, stmt* orelse) 27 | If(expr test, stmt* body, stmt* orelse) 28 | With(expr context_expr, expr? optional_vars, stmt* body) 29 30 -- 'type' is a bad name 31 | Raise(expr? type, expr? inst, expr? tback) 32 | TryExcept(stmt* body, excepthandler* handlers, stmt* orelse) 33 | TryFinally(stmt* body, stmt* finalbody) 34 | Assert(expr test, expr? msg) 35 36 | Import(alias* names) 37 | ImportFrom(identifier? module, alias* names, int? level) 38 39 -- Doesn't capture requirement that locals must be 40 -- defined if globals is 41 -- still supports use as a function! 42 | Exec(expr body, expr? globals, expr? locals) 43 44 | Global(identifier* names) 45 | Expr(expr value) 46 | Pass | Break | Continue 47 48 -- XXX Jython will be different 49 -- col_offset is the byte offset in the utf8 string the parser uses 50 attributes (int lineno, int col_offset) 51 52 -- BoolOp() can use left & right? 53 expr = BoolOp(boolop op, expr* values) 54 | BinOp(expr left, operator op, expr right) 55 | UnaryOp(unaryop op, expr operand) 56 | Lambda(arguments args, expr body) 57 | IfExp(expr test, expr body, expr orelse) 58 | Dict(expr* keys, expr* values) 59 | Set(expr* elts) 60 | ListComp(expr elt, comprehension* generators) 61 | SetComp(expr elt, comprehension* generators) 62 | DictComp(expr key, expr value, comprehension* generators) 63 | GeneratorExp(expr elt, comprehension* generators) 64 -- the grammar constrains where yield expressions can occur 65 | Yield(expr? value) 66 -- need sequences for compare to distinguish between 67 -- x < 4 < 3 and (x < 4) < 3 68 | Compare(expr left, cmpop* ops, expr* comparators) 69 | Call(expr func, expr* args, keyword* keywords, 70 expr? starargs, expr? kwargs) 71 | Repr(expr value) 72 | Num(object n) -- a number as a PyObject. 73 | Str(string s) -- need to specify raw, unicode, etc? 74 -- other literals? bools? 75 76 -- the following expression can appear in assignment context 77 | Attribute(expr value, identifier attr, expr_context ctx) 78 | Subscript(expr value, slice slice, expr_context ctx) 79 | Name(identifier id, expr_context ctx) 80 | List(expr* elts, expr_context ctx) 81 | Tuple(expr* elts, expr_context ctx) 82 83 -- col_offset is the byte offset in the utf8 string the parser uses 84 attributes (int lineno, int col_offset) 85 86 expr_context = Load | Store | Del | AugLoad | AugStore | Param 87 88 slice = Ellipsis | Slice(expr? lower, expr? upper, expr? step) 89 | ExtSlice(slice* dims) 90 | Index(expr value) 91 92 boolop = And | Or 93 94 operator = Add | Sub | Mult | Div | Mod | Pow | LShift 95 | RShift | BitOr | BitXor | BitAnd | FloorDiv 96 97 unaryop = Invert | Not | UAdd | USub 98 99 cmpop = Eq | NotEq | Lt | LtE | Gt | GtE | Is | IsNot | In | NotIn 100 101 comprehension = (expr target, expr iter, expr* ifs) 102 103 -- not sure what to call the first argument for raise and except 104 excepthandler = ExceptHandler(expr? type, expr? name, stmt* body) 105 attributes (int lineno, int col_offset) 106 107 arguments = (expr* args, identifier? vararg, 108 identifier? kwarg, expr* defaults) 109 110 -- keyword arguments supplied to call 111 keyword = (identifier arg, expr value) 112 113 -- import name with optional 'as' alias. 114 alias = (identifier name, identifier? asname) 115 } 116
