Mercurial > cpython-lru_cache-weakref
annotate Parser/Python.asdl @ 74356:d64ac9ab4cd0
Implement PEP 380 - 'yield from' (closes #11682)
| author | Nick Coghlan <ncoghlan@gmail.com> |
|---|---|
| date | Fri, 13 Jan 2012 21:43:40 +1000 |
| parents | f578ca44193d |
| children | e1177b9167ce |
| rev | line source |
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add a asdl bytes type, so Bytes.s be properly typechecked
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1 -- ASDL's five builtin types are identifier, int, string, bytes, object |
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3 module Python |
| 35742 | 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, | |
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13 stmt* body, expr* decorator_list, expr? returns) |
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14 | ClassDef(identifier name, |
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15 expr* bases, |
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16 keyword* keywords, |
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17 expr? starargs, |
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18 expr? kwargs, |
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19 stmt* body, |
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20 expr* decorator_list) |
| 35742 | 21 | Return(expr? value) |
| 22 | |
| 23 | Delete(expr* targets) | |
| 24 | Assign(expr* targets, expr value) | |
| 25 | AugAssign(expr target, operator op, expr value) | |
| 26 | |
| 27 -- use 'orelse' because else is a keyword in target languages | |
| 28 | For(expr target, expr iter, stmt* body, stmt* orelse) | |
| 29 | While(expr test, stmt* body, stmt* orelse) | |
| 30 | If(expr test, stmt* body, stmt* orelse) | |
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31 | With(withitem* items, stmt* body) |
| 35742 | 32 |
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Issue #1066: implement PEP 3109, 2/3 of PEP 3134.
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33 | Raise(expr? exc, expr? cause) |
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34 | Try(stmt* body, excepthandler* handlers, stmt* orelse, stmt* finalbody) |
| 35742 | 35 | Assert(expr test, expr? msg) |
| 36 | |
| 37 | Import(alias* names) | |
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38 | ImportFrom(identifier? module, alias* names, int? level) |
| 35742 | 39 |
| 40 | Global(identifier* names) | |
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Provisional implementation of PEP 3104.
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41 | Nonlocal(identifier* names) |
| 35742 | 42 | Expr(expr value) |
| 43 | Pass | Break | Continue | |
| 44 | |
| 45 -- XXX Jython will be different | |
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Patch #1440601: Add col_offset attribute to AST nodes.
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46 -- col_offset is the byte offset in the utf8 string the parser uses |
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47 attributes (int lineno, int col_offset) |
| 35742 | 48 |
| 49 -- BoolOp() can use left & right? | |
| 50 expr = BoolOp(boolop op, expr* values) | |
| 51 | BinOp(expr left, operator op, expr right) | |
| 52 | UnaryOp(unaryop op, expr operand) | |
| 53 | Lambda(arguments args, expr body) | |
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PEP 308 implementation, including minor refdocs and some testcases. It
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54 | IfExp(expr test, expr body, expr orelse) |
| 35742 | 55 | Dict(expr* keys, expr* values) |
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SF patch 1547796 by Georg Brandl -- set literals.
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56 | Set(expr* elts) |
| 35742 | 57 | ListComp(expr elt, comprehension* generators) |
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58 | SetComp(expr elt, comprehension* generators) |
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59 | DictComp(expr key, expr value, comprehension* generators) |
| 35742 | 60 | GeneratorExp(expr elt, comprehension* generators) |
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61 -- the grammar constrains where yield expressions can occur |
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Implement PEP 380 - 'yield from' (closes #11682)
Nick Coghlan <ncoghlan@gmail.com>
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62 | Yield(int is_from, expr? value) |
| 35742 | 63 -- need sequences for compare to distinguish between |
| 64 -- x < 4 < 3 and (x < 4) < 3 | |
| 65 | Compare(expr left, cmpop* ops, expr* comparators) | |
| 66 | Call(expr func, expr* args, keyword* keywords, | |
| 67 expr? starargs, expr? kwargs) | |
| 68 | Num(object n) -- a number as a PyObject. | |
| 69 | Str(string s) -- need to specify raw, unicode, etc? | |
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70 | Bytes(bytes s) |
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Patch #1550786: ellipsis literal.
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71 | Ellipsis |
| 35742 | 72 -- other literals? bools? |
| 73 | |
| 74 -- the following expression can appear in assignment context | |
| 75 | Attribute(expr value, identifier attr, expr_context ctx) | |
| 76 | Subscript(expr value, slice slice, expr_context ctx) | |
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77 | Starred(expr value, expr_context ctx) |
| 35742 | 78 | Name(identifier id, expr_context ctx) |
| 79 | List(expr* elts, expr_context ctx) | |
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80 | Tuple(expr* elts, expr_context ctx) |
| 35742 | 81 |
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82 -- col_offset is the byte offset in the utf8 string the parser uses |
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Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents:
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83 attributes (int lineno, int col_offset) |
| 35742 | 84 |
| 85 expr_context = Load | Store | Del | AugLoad | AugStore | Param | |
| 86 | |
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87 slice = Slice(expr? lower, expr? upper, expr? step) |
| 35742 | 88 | ExtSlice(slice* dims) |
| 89 | Index(expr value) | |
| 90 | |
| 91 boolop = And | Or | |
| 92 | |
| 93 operator = Add | Sub | Mult | Div | Mod | Pow | LShift | |
| 94 | RShift | BitOr | BitXor | BitAnd | FloorDiv | |
| 95 | |
| 96 unaryop = Invert | Not | UAdd | USub | |
| 97 | |
| 98 cmpop = Eq | NotEq | Lt | LtE | Gt | GtE | Is | IsNot | In | NotIn | |
| 99 | |
| 100 comprehension = (expr target, expr iter, expr* ifs) | |
| 101 | |
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102 excepthandler = ExceptHandler(expr? type, identifier? name, stmt* body) |
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103 attributes (int lineno, int col_offset) |
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105 arguments = (arg* args, identifier? vararg, expr? varargannotation, |
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106 arg* kwonlyargs, identifier? kwarg, |
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107 expr? kwargannotation, expr* defaults, |
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108 expr* kw_defaults) |
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109 arg = (identifier arg, expr? annotation) |
| 35742 | 110 |
| 111 -- keyword arguments supplied to call | |
| 112 keyword = (identifier arg, expr value) | |
| 113 | |
| 114 -- import name with optional 'as' alias. | |
| 115 alias = (identifier name, identifier? asname) | |
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116 |
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117 withitem = (expr context_expr, expr? optional_vars) |
| 35742 | 118 } |
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119 |