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bpo-39969: Remove ast.Param node class as is no longer used (GH-19020)

This commit is contained in:
Batuhan Taşkaya 2020-03-15 22:32:17 +03:00 committed by GitHub
parent 61ac612e78
commit 8689209e03
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GPG Key ID: 4AEE18F83AFDEB23
7 changed files with 27 additions and 51 deletions
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5
Doc/whatsnew/3.9.rst
View File

@ -664,8 +664,9 @@ Removed
defining ``COUNT_ALLOCS`` macro.
(Contributed by Victor Stinner in :issue:`39489`.)
* The ``ast.Suite`` node class has been removed due to no longer being needed.
(Contributed by Batuhan Taskaya in :issue:`39639`.)
* The ``ast.Suite`` and ``ast.Param`` node classes has been removed due to no
longer being needed.
(Contributed by Batuhan Taskaya in :issue:`39639` and :issue:`39969`.)
Porting to Python 3.9

4
Include/Python-ast.h generated
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@ -17,8 +17,8 @@ typedef struct _stmt *stmt_ty;
typedef struct _expr *expr_ty;
typedef enum _expr_context { Load=1, Store=2, Del=3, AugLoad=4, AugStore=5,
Param=6 } expr_context_ty;
typedef enum _expr_context { Load=1, Store=2, Del=3, AugLoad=4, AugStore=5 }
expr_context_ty;
typedef enum _boolop { And=1, Or=2 } boolop_ty;

2
Misc/NEWS.d/next/Library/2020-03-15-17-56-48.bpo-39969.6snm0c.rst Normal file
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@ -0,0 +1,2 @@
Remove ``ast.Param`` node class because it's no longer used. Patch by
Batuhan Taskaya.

2
Parser/Python.asdl
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@ -90,7 +90,7 @@ module Python
-- col_offset is the byte offset in the utf8 string the parser uses
attributes (int lineno, int col_offset, int? end_lineno, int? end_col_offset)
expr_context = Load | Store | Del | AugLoad | AugStore | Param
expr_context = Load | Store | Del | AugLoad | AugStore
boolop = And | Or

26
Python/Python-ast.c generated
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@ -107,8 +107,6 @@ typedef struct {
PyObject *Not_type;
PyObject *Or_singleton;
PyObject *Or_type;
PyObject *Param_singleton;
PyObject *Param_type;
PyObject *Pass_type;
PyObject *Pow_singleton;
PyObject *Pow_type;
@ -332,8 +330,6 @@ static int astmodule_clear(PyObject *module)
Py_CLEAR(astmodulestate(module)->Not_type);
Py_CLEAR(astmodulestate(module)->Or_singleton);
Py_CLEAR(astmodulestate(module)->Or_type);
Py_CLEAR(astmodulestate(module)->Param_singleton);
Py_CLEAR(astmodulestate(module)->Param_type);
Py_CLEAR(astmodulestate(module)->Pass_type);
Py_CLEAR(astmodulestate(module)->Pow_singleton);
Py_CLEAR(astmodulestate(module)->Pow_type);
@ -556,8 +552,6 @@ static int astmodule_traverse(PyObject *module, visitproc visit, void* arg)
Py_VISIT(astmodulestate(module)->Not_type);
Py_VISIT(astmodulestate(module)->Or_singleton);
Py_VISIT(astmodulestate(module)->Or_type);
Py_VISIT(astmodulestate(module)->Param_singleton);
Py_VISIT(astmodulestate(module)->Param_type);
Py_VISIT(astmodulestate(module)->Pass_type);
Py_VISIT(astmodulestate(module)->Pow_singleton);
Py_VISIT(astmodulestate(module)->Pow_type);
@ -1656,11 +1650,6 @@ static int init_types(void)
*)state->AugStore_type, NULL,
NULL);
if (!state->AugStore_singleton) return 0;
state->Param_type = make_type("Param", state->expr_context_type, NULL, 0);
if (!state->Param_type) return 0;
state->Param_singleton = PyType_GenericNew((PyTypeObject
*)state->Param_type, NULL, NULL);
if (!state->Param_singleton) return 0;
state->boolop_type = make_type("boolop", state->AST_type, NULL, 0);
if (!state->boolop_type) return 0;
if (!add_attributes(state->boolop_type, NULL, 0)) return 0;
@ -4474,9 +4463,6 @@ PyObject* ast2obj_expr_context(expr_context_ty o)
case AugStore:
Py_INCREF(astmodulestate_global->AugStore_singleton);
return astmodulestate_global->AugStore_singleton;
case Param:
Py_INCREF(astmodulestate_global->Param_singleton);
return astmodulestate_global->Param_singleton;
default:
/* should never happen, but just in case ... */
PyErr_Format(PyExc_SystemError, "unknown expr_context found");
@ -8682,14 +8668,6 @@ obj2ast_expr_context(PyObject* obj, expr_context_ty* out, PyArena* arena)
*out = AugStore;
return 0;
}
isinstance = PyObject_IsInstance(obj, astmodulestate_global->Param_type);
if (isinstance == -1) {
return 1;
}
if (isinstance) {
*out = Param;
return 0;
}
PyErr_Format(PyExc_TypeError, "expected some sort of expr_context, but got %R", obj);
return 1;
@ -10038,10 +10016,6 @@ PyInit__ast(void)
goto error;
}
Py_INCREF(astmodulestate(m)->AugStore_type);
if (PyModule_AddObject(m, "Param", astmodulestate_global->Param_type) < 0) {
goto error;
}
Py_INCREF(astmodulestate(m)->Param_type);
if (PyModule_AddObject(m, "boolop", astmodulestate_global->boolop_type) <
0) {
goto error;

2
Python/ast.c
View File

@ -75,8 +75,6 @@ expr_context_name(expr_context_ty ctx)
return "AugLoad";
case AugStore:
return "AugStore";
case Param:
return "Param";
default:
Py_UNREACHABLE();
}

37
Python/compile.c
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@ -3579,10 +3579,10 @@ compiler_nameop(struct compiler *c, identifier name, expr_context_ty ctx)
case AugStore:
break;
case Del: op = DELETE_DEREF; break;
case Param:
default:
PyErr_SetString(PyExc_SystemError,
"param invalid for deref variable");
PyErr_Format(PyExc_SystemError,
"expr_context kind %d should not be possible",
ctx);
return 0;
}
break;
@ -3596,10 +3596,10 @@ compiler_nameop(struct compiler *c, identifier name, expr_context_ty ctx)
case AugLoad:
case AugStore:
break;
case Param:
default:
PyErr_SetString(PyExc_SystemError,
"param invalid for local variable");
PyErr_Format(PyExc_SystemError,
"expr_context kind %d should not be possible",
ctx);
return 0;
}
ADDOP_N(c, op, mangled, varnames);
@ -3614,10 +3614,10 @@ compiler_nameop(struct compiler *c, identifier name, expr_context_ty ctx)
case AugLoad:
case AugStore:
break;
case Param:
default:
PyErr_SetString(PyExc_SystemError,
"param invalid for global variable");
PyErr_Format(PyExc_SystemError,
"expr_context kind %d should not be possible",
ctx);
return 0;
}
break;
@ -3631,10 +3631,10 @@ compiler_nameop(struct compiler *c, identifier name, expr_context_ty ctx)
case AugLoad:
case AugStore:
break;
case Param:
default:
PyErr_SetString(PyExc_SystemError,
"param invalid for name variable");
PyErr_Format(PyExc_SystemError,
"expr_context kind %d should not be possible",
ctx);
return 0;
}
break;
@ -5058,10 +5058,10 @@ compiler_visit_expr1(struct compiler *c, expr_ty e)
case Del:
ADDOP_NAME(c, DELETE_ATTR, e->v.Attribute.attr, names);
break;
case Param:
default:
PyErr_SetString(PyExc_SystemError,
"param invalid in attribute expression");
PyErr_Format(PyExc_SystemError,
"expr_context kind %d should not be possible",
e->v.Attribute.ctx);
return 0;
}
break;
@ -5359,9 +5359,10 @@ compiler_subscript(struct compiler *c, expr_ty e)
case AugStore:/* fall through to Store */
case Store: op = STORE_SUBSCR; break;
case Del: op = DELETE_SUBSCR; break;
case Param:
PyErr_SetString(PyExc_SystemError,
"param invalid in subscript expression");
default:
PyErr_Format(PyExc_SystemError,
"expr_context kind %d should not be possible",
ctx);
return 0;
}
if (ctx == AugStore) {