-- ASDL's five builtin types are identifier, int, string, object, bool | |
module Python version "$Revision$" | |
{ | |
mod = Module(stmt* body) | |
| Interactive(stmt* body) | |
| Expression(expr body) | |
-- not really an actual node but useful in Jython's typesystem. | |
| Suite(stmt* body) | |
stmt = FunctionDef(identifier name, arguments args, | |
stmt* body, expr* decorator_list) | |
| ClassDef(identifier name, expr* bases, stmt* body, expr* decorator_list) | |
| Return(expr? value) | |
| Delete(expr* targets) | |
| Assign(expr* targets, expr value) | |
| AugAssign(expr target, operator op, expr value) | |
-- not sure if bool is allowed, can always use int | |
| Print(expr? dest, expr* values, bool nl) | |
-- use 'orelse' because else is a keyword in target languages | |
| For(expr target, expr iter, stmt* body, stmt* orelse) | |
| While(expr test, stmt* body, stmt* orelse) | |
| If(expr test, stmt* body, stmt* orelse) | |
| With(expr context_expr, expr? optional_vars, stmt* body) | |
-- 'type' is a bad name | |
| Raise(expr? type, expr? inst, expr? tback) | |
| TryExcept(stmt* body, excepthandler* handlers, stmt* orelse) | |
| TryFinally(stmt* body, stmt* finalbody) | |
| Assert(expr test, expr? msg) | |
| Import(alias* names) | |
| ImportFrom(identifier? module, alias* names, int? level) | |
-- Doesn't capture requirement that locals must be | |
-- defined if globals is | |
-- still supports use as a function! | |
| Exec(expr body, expr? globals, expr? locals) | |
| Global(identifier* names) | |
| Expr(expr value) | |
| Pass | Break | Continue | |
-- XXX Jython will be different | |
-- col_offset is the byte offset in the utf8 string the parser uses | |
attributes (int lineno, int col_offset) | |
-- BoolOp() can use left & right? | |
expr = BoolOp(boolop op, expr* values) | |
| BinOp(expr left, operator op, expr right) | |
| UnaryOp(unaryop op, expr operand) | |
| Lambda(arguments args, expr body) | |
| IfExp(expr test, expr body, expr orelse) | |
| Dict(expr* keys, expr* values) | |
| Set(expr* elts) | |
| ListComp(expr elt, comprehension* generators) | |
| SetComp(expr elt, comprehension* generators) | |
| DictComp(expr key, expr value, comprehension* generators) | |
| GeneratorExp(expr elt, comprehension* generators) | |
-- the grammar constrains where yield expressions can occur | |
| Yield(expr? value) | |
-- need sequences for compare to distinguish between | |
-- x < 4 < 3 and (x < 4) < 3 | |
| Compare(expr left, cmpop* ops, expr* comparators) | |
| Call(expr func, expr* args, keyword* keywords, | |
expr? starargs, expr? kwargs) | |
| Repr(expr value) | |
| Num(object n) -- a number as a PyObject. | |
| Str(string s) -- need to specify raw, unicode, etc? | |
-- other literals? bools? | |
-- the following expression can appear in assignment context | |
| Attribute(expr value, identifier attr, expr_context ctx) | |
| Subscript(expr value, slice slice, expr_context ctx) | |
| Name(identifier id, expr_context ctx) | |
| List(expr* elts, expr_context ctx) | |
| Tuple(expr* elts, expr_context ctx) | |
-- col_offset is the byte offset in the utf8 string the parser uses | |
attributes (int lineno, int col_offset) | |
expr_context = Load | Store | Del | AugLoad | AugStore | Param | |
slice = Ellipsis | Slice(expr? lower, expr? upper, expr? step) | |
| ExtSlice(slice* dims) | |
| Index(expr value) | |
boolop = And | Or | |
operator = Add | Sub | Mult | Div | Mod | Pow | LShift | |
| RShift | BitOr | BitXor | BitAnd | FloorDiv | |
unaryop = Invert | Not | UAdd | USub | |
cmpop = Eq | NotEq | Lt | LtE | Gt | GtE | Is | IsNot | In | NotIn | |
comprehension = (expr target, expr iter, expr* ifs) | |
-- not sure what to call the first argument for raise and except | |
excepthandler = ExceptHandler(expr? type, expr? name, stmt* body) | |
attributes (int lineno, int col_offset) | |
arguments = (expr* args, identifier? vararg, | |
identifier? kwarg, expr* defaults) | |
-- keyword arguments supplied to call | |
keyword = (identifier arg, expr value) | |
-- import name with optional 'as' alias. | |
alias = (identifier name, identifier? asname) | |
} |