mirror of https://github.com/python/cpython
bpo-39969: Remove ast.Param node class as is no longer used (GH-19020)
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@ -664,8 +664,9 @@ Removed
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defining ``COUNT_ALLOCS`` macro.
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(Contributed by Victor Stinner in :issue:`39489`.)
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* The ``ast.Suite`` node class has been removed due to no longer being needed.
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(Contributed by Batuhan Taskaya in :issue:`39639`.)
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* The ``ast.Suite`` and ``ast.Param`` node classes has been removed due to no
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longer being needed.
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(Contributed by Batuhan Taskaya in :issue:`39639` and :issue:`39969`.)
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Porting to Python 3.9
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@ -17,8 +17,8 @@ typedef struct _stmt *stmt_ty;
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typedef struct _expr *expr_ty;
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typedef enum _expr_context { Load=1, Store=2, Del=3, AugLoad=4, AugStore=5,
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Param=6 } expr_context_ty;
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typedef enum _expr_context { Load=1, Store=2, Del=3, AugLoad=4, AugStore=5 }
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expr_context_ty;
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typedef enum _boolop { And=1, Or=2 } boolop_ty;
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@ -0,0 +1,2 @@
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Remove ``ast.Param`` node class because it's no longer used. Patch by
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Batuhan Taskaya.
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@ -90,7 +90,7 @@ module Python
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-- col_offset is the byte offset in the utf8 string the parser uses
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attributes (int lineno, int col_offset, int? end_lineno, int? end_col_offset)
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expr_context = Load | Store | Del | AugLoad | AugStore | Param
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expr_context = Load | Store | Del | AugLoad | AugStore
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boolop = And | Or
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@ -107,8 +107,6 @@ typedef struct {
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PyObject *Not_type;
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PyObject *Or_singleton;
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PyObject *Or_type;
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PyObject *Param_singleton;
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PyObject *Param_type;
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PyObject *Pass_type;
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PyObject *Pow_singleton;
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PyObject *Pow_type;
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@ -332,8 +330,6 @@ static int astmodule_clear(PyObject *module)
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Py_CLEAR(astmodulestate(module)->Not_type);
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Py_CLEAR(astmodulestate(module)->Or_singleton);
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Py_CLEAR(astmodulestate(module)->Or_type);
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Py_CLEAR(astmodulestate(module)->Param_singleton);
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Py_CLEAR(astmodulestate(module)->Param_type);
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Py_CLEAR(astmodulestate(module)->Pass_type);
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Py_CLEAR(astmodulestate(module)->Pow_singleton);
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Py_CLEAR(astmodulestate(module)->Pow_type);
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@ -556,8 +552,6 @@ static int astmodule_traverse(PyObject *module, visitproc visit, void* arg)
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Py_VISIT(astmodulestate(module)->Not_type);
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Py_VISIT(astmodulestate(module)->Or_singleton);
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Py_VISIT(astmodulestate(module)->Or_type);
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Py_VISIT(astmodulestate(module)->Param_singleton);
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Py_VISIT(astmodulestate(module)->Param_type);
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Py_VISIT(astmodulestate(module)->Pass_type);
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Py_VISIT(astmodulestate(module)->Pow_singleton);
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Py_VISIT(astmodulestate(module)->Pow_type);
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@ -1656,11 +1650,6 @@ static int init_types(void)
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*)state->AugStore_type, NULL,
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NULL);
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if (!state->AugStore_singleton) return 0;
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state->Param_type = make_type("Param", state->expr_context_type, NULL, 0);
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if (!state->Param_type) return 0;
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state->Param_singleton = PyType_GenericNew((PyTypeObject
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*)state->Param_type, NULL, NULL);
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if (!state->Param_singleton) return 0;
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state->boolop_type = make_type("boolop", state->AST_type, NULL, 0);
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if (!state->boolop_type) return 0;
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if (!add_attributes(state->boolop_type, NULL, 0)) return 0;
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@ -4474,9 +4463,6 @@ PyObject* ast2obj_expr_context(expr_context_ty o)
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case AugStore:
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Py_INCREF(astmodulestate_global->AugStore_singleton);
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return astmodulestate_global->AugStore_singleton;
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case Param:
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Py_INCREF(astmodulestate_global->Param_singleton);
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return astmodulestate_global->Param_singleton;
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default:
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/* should never happen, but just in case ... */
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PyErr_Format(PyExc_SystemError, "unknown expr_context found");
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@ -8682,14 +8668,6 @@ obj2ast_expr_context(PyObject* obj, expr_context_ty* out, PyArena* arena)
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*out = AugStore;
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return 0;
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}
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isinstance = PyObject_IsInstance(obj, astmodulestate_global->Param_type);
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if (isinstance == -1) {
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return 1;
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}
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if (isinstance) {
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*out = Param;
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return 0;
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}
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PyErr_Format(PyExc_TypeError, "expected some sort of expr_context, but got %R", obj);
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return 1;
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@ -10038,10 +10016,6 @@ PyInit__ast(void)
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goto error;
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}
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Py_INCREF(astmodulestate(m)->AugStore_type);
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if (PyModule_AddObject(m, "Param", astmodulestate_global->Param_type) < 0) {
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goto error;
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}
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Py_INCREF(astmodulestate(m)->Param_type);
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if (PyModule_AddObject(m, "boolop", astmodulestate_global->boolop_type) <
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0) {
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goto error;
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@ -75,8 +75,6 @@ expr_context_name(expr_context_ty ctx)
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return "AugLoad";
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case AugStore:
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return "AugStore";
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case Param:
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return "Param";
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default:
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Py_UNREACHABLE();
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}
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@ -3579,10 +3579,10 @@ compiler_nameop(struct compiler *c, identifier name, expr_context_ty ctx)
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case AugStore:
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break;
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case Del: op = DELETE_DEREF; break;
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case Param:
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default:
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PyErr_SetString(PyExc_SystemError,
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"param invalid for deref variable");
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PyErr_Format(PyExc_SystemError,
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"expr_context kind %d should not be possible",
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ctx);
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return 0;
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}
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break;
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@ -3596,10 +3596,10 @@ compiler_nameop(struct compiler *c, identifier name, expr_context_ty ctx)
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case AugLoad:
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case AugStore:
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break;
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case Param:
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default:
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PyErr_SetString(PyExc_SystemError,
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"param invalid for local variable");
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PyErr_Format(PyExc_SystemError,
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"expr_context kind %d should not be possible",
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ctx);
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return 0;
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}
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ADDOP_N(c, op, mangled, varnames);
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@ -3614,10 +3614,10 @@ compiler_nameop(struct compiler *c, identifier name, expr_context_ty ctx)
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case AugLoad:
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case AugStore:
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break;
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case Param:
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default:
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PyErr_SetString(PyExc_SystemError,
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"param invalid for global variable");
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PyErr_Format(PyExc_SystemError,
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"expr_context kind %d should not be possible",
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ctx);
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return 0;
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}
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break;
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@ -3631,10 +3631,10 @@ compiler_nameop(struct compiler *c, identifier name, expr_context_ty ctx)
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case AugLoad:
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case AugStore:
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break;
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case Param:
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default:
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PyErr_SetString(PyExc_SystemError,
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"param invalid for name variable");
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PyErr_Format(PyExc_SystemError,
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"expr_context kind %d should not be possible",
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ctx);
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return 0;
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}
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break;
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@ -5058,10 +5058,10 @@ compiler_visit_expr1(struct compiler *c, expr_ty e)
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case Del:
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ADDOP_NAME(c, DELETE_ATTR, e->v.Attribute.attr, names);
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break;
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case Param:
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default:
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PyErr_SetString(PyExc_SystemError,
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"param invalid in attribute expression");
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PyErr_Format(PyExc_SystemError,
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"expr_context kind %d should not be possible",
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e->v.Attribute.ctx);
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return 0;
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}
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break;
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@ -5359,9 +5359,10 @@ compiler_subscript(struct compiler *c, expr_ty e)
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case AugStore:/* fall through to Store */
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case Store: op = STORE_SUBSCR; break;
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case Del: op = DELETE_SUBSCR; break;
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case Param:
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PyErr_SetString(PyExc_SystemError,
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"param invalid in subscript expression");
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default:
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PyErr_Format(PyExc_SystemError,
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"expr_context kind %d should not be possible",
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ctx);
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return 0;
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}
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if (ctx == AugStore) {
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