diff options
Diffstat (limited to 'Python/Python-ast.c')
-rw-r--r-- | Python/Python-ast.c | 186 |
1 files changed, 107 insertions, 79 deletions
diff --git a/Python/Python-ast.c b/Python/Python-ast.c index b88b310..a50435f 100644 --- a/Python/Python-ast.c +++ b/Python/Python-ast.c @@ -351,13 +351,16 @@ static char *comprehension_fields[]={ "ifs", }; static PyTypeObject *excepthandler_type; +static char *excepthandler_attributes[] = { + "lineno", + "col_offset", +}; static PyObject* ast2obj_excepthandler(void*); -static char *excepthandler_fields[]={ +static PyTypeObject *ExceptHandler_type; +static char *ExceptHandler_fields[]={ "type", "name", "body", - "lineno", - "col_offset", }; static PyTypeObject *arguments_type; static PyObject* ast2obj_arguments(void*); @@ -881,9 +884,13 @@ static int init_types(void) comprehension_type = make_type("comprehension", &AST_type, comprehension_fields, 3); if (!comprehension_type) return 0; - excepthandler_type = make_type("excepthandler", &AST_type, - excepthandler_fields, 5); + excepthandler_type = make_type("excepthandler", &AST_type, NULL, 0); if (!excepthandler_type) return 0; + if (!add_attributes(excepthandler_type, excepthandler_attributes, 2)) + return 0; + ExceptHandler_type = make_type("ExceptHandler", excepthandler_type, + ExceptHandler_fields, 3); + if (!ExceptHandler_type) return 0; arguments_type = make_type("arguments", &AST_type, arguments_fields, 8); if (!arguments_type) return 0; arg_type = make_type("arg", &AST_type, arg_fields, 2); @@ -2002,16 +2009,17 @@ comprehension(expr_ty target, expr_ty iter, asdl_seq * ifs, PyArena *arena) } excepthandler_ty -excepthandler(expr_ty type, identifier name, asdl_seq * body, int lineno, int +ExceptHandler(expr_ty type, identifier name, asdl_seq * body, int lineno, int col_offset, PyArena *arena) { excepthandler_ty p; p = (excepthandler_ty)PyArena_Malloc(arena, sizeof(*p)); if (!p) return NULL; - p->type = type; - p->name = name; - p->body = body; + p->kind = ExceptHandler_kind; + p->v.ExceptHandler.type = type; + p->v.ExceptHandler.name = name; + p->v.ExceptHandler.body = body; p->lineno = lineno; p->col_offset = col_offset; return p; @@ -3144,31 +3152,35 @@ ast2obj_excepthandler(void* _o) return Py_None; } - result = PyType_GenericNew(excepthandler_type, NULL, NULL); - if (!result) return NULL; - value = ast2obj_expr(o->type); - if (!value) goto failed; - if (PyObject_SetAttrString(result, "type", value) == -1) - goto failed; - Py_DECREF(value); - value = ast2obj_identifier(o->name); - if (!value) goto failed; - if (PyObject_SetAttrString(result, "name", value) == -1) - goto failed; - Py_DECREF(value); - value = ast2obj_list(o->body, ast2obj_stmt); - if (!value) goto failed; - if (PyObject_SetAttrString(result, "body", value) == -1) - goto failed; - Py_DECREF(value); + switch (o->kind) { + case ExceptHandler_kind: + result = PyType_GenericNew(ExceptHandler_type, NULL, NULL); + if (!result) goto failed; + value = ast2obj_expr(o->v.ExceptHandler.type); + if (!value) goto failed; + if (PyObject_SetAttrString(result, "type", value) == -1) + goto failed; + Py_DECREF(value); + value = ast2obj_identifier(o->v.ExceptHandler.name); + if (!value) goto failed; + if (PyObject_SetAttrString(result, "name", value) == -1) + goto failed; + Py_DECREF(value); + value = ast2obj_list(o->v.ExceptHandler.body, ast2obj_stmt); + if (!value) goto failed; + if (PyObject_SetAttrString(result, "body", value) == -1) + goto failed; + Py_DECREF(value); + break; + } value = ast2obj_int(o->lineno); if (!value) goto failed; - if (PyObject_SetAttrString(result, "lineno", value) == -1) + if (PyObject_SetAttrString(result, "lineno", value) < 0) goto failed; Py_DECREF(value); value = ast2obj_int(o->col_offset); if (!value) goto failed; - if (PyObject_SetAttrString(result, "col_offset", value) == -1) + if (PyObject_SetAttrString(result, "col_offset", value) < 0) goto failed; Py_DECREF(value); return result; @@ -5976,58 +5988,13 @@ int obj2ast_excepthandler(PyObject* obj, excepthandler_ty* out, PyArena* arena) { PyObject* tmp = NULL; - expr_ty type; - identifier name; - asdl_seq* body; + int lineno; int col_offset; - if (PyObject_HasAttrString(obj, "type")) { - int res; - tmp = PyObject_GetAttrString(obj, "type"); - if (tmp == NULL) goto failed; - res = obj2ast_expr(tmp, &type, arena); - if (res != 0) goto failed; - Py_XDECREF(tmp); - tmp = NULL; - } else { - type = NULL; - } - if (PyObject_HasAttrString(obj, "name")) { - int res; - tmp = PyObject_GetAttrString(obj, "name"); - if (tmp == NULL) goto failed; - res = obj2ast_identifier(tmp, &name, arena); - if (res != 0) goto failed; - Py_XDECREF(tmp); - tmp = NULL; - } else { - name = NULL; - } - if (PyObject_HasAttrString(obj, "body")) { - int res; - Py_ssize_t len; - Py_ssize_t i; - tmp = PyObject_GetAttrString(obj, "body"); - if (tmp == NULL) goto failed; - if (!PyList_Check(tmp)) { - PyErr_Format(PyExc_TypeError, "excepthandler field \"body\" must be a list, not a %.200s", tmp->ob_type->tp_name); - goto failed; - } - len = PyList_GET_SIZE(tmp); - body = asdl_seq_new(len, arena); - if (body == NULL) goto failed; - for (i = 0; i < len; i++) { - stmt_ty value; - res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena); - if (res != 0) goto failed; - asdl_seq_SET(body, i, value); - } - Py_XDECREF(tmp); - tmp = NULL; - } else { - PyErr_SetString(PyExc_TypeError, "required field \"body\" missing from excepthandler"); - return 1; + if (obj == Py_None) { + *out = NULL; + return 0; } if (PyObject_HasAttrString(obj, "lineno")) { int res; @@ -6053,8 +6020,67 @@ obj2ast_excepthandler(PyObject* obj, excepthandler_ty* out, PyArena* arena) PyErr_SetString(PyExc_TypeError, "required field \"col_offset\" missing from excepthandler"); return 1; } - *out = excepthandler(type, name, body, lineno, col_offset, arena); - return 0; + if (PyObject_IsInstance(obj, (PyObject*)ExceptHandler_type)) { + expr_ty type; + identifier name; + asdl_seq* body; + + if (PyObject_HasAttrString(obj, "type")) { + int res; + tmp = PyObject_GetAttrString(obj, "type"); + if (tmp == NULL) goto failed; + res = obj2ast_expr(tmp, &type, arena); + if (res != 0) goto failed; + Py_XDECREF(tmp); + tmp = NULL; + } else { + type = NULL; + } + if (PyObject_HasAttrString(obj, "name")) { + int res; + tmp = PyObject_GetAttrString(obj, "name"); + if (tmp == NULL) goto failed; + res = obj2ast_identifier(tmp, &name, arena); + if (res != 0) goto failed; + Py_XDECREF(tmp); + tmp = NULL; + } else { + name = NULL; + } + if (PyObject_HasAttrString(obj, "body")) { + int res; + Py_ssize_t len; + Py_ssize_t i; + tmp = PyObject_GetAttrString(obj, "body"); + if (tmp == NULL) goto failed; + if (!PyList_Check(tmp)) { + PyErr_Format(PyExc_TypeError, "ExceptHandler field \"body\" must be a list, not a %.200s", tmp->ob_type->tp_name); + goto failed; + } + len = PyList_GET_SIZE(tmp); + body = asdl_seq_new(len, arena); + if (body == NULL) goto failed; + for (i = 0; i < len; i++) { + stmt_ty value; + res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena); + if (res != 0) goto failed; + asdl_seq_SET(body, i, value); + } + Py_XDECREF(tmp); + tmp = NULL; + } else { + PyErr_SetString(PyExc_TypeError, "required field \"body\" missing from ExceptHandler"); + return 1; + } + *out = ExceptHandler(type, name, body, lineno, col_offset, + arena); + if (*out == NULL) goto failed; + return 0; + } + + tmp = PyObject_Repr(obj); + if (tmp == NULL) goto failed; + PyErr_Format(PyExc_TypeError, "expected some sort of excepthandler, but got %.400s", PyString_AS_STRING(tmp)); failed: Py_XDECREF(tmp); return 1; @@ -6493,6 +6519,8 @@ init_ast(void) (PyObject*)comprehension_type) < 0) return; if (PyDict_SetItemString(d, "excepthandler", (PyObject*)excepthandler_type) < 0) return; + if (PyDict_SetItemString(d, "ExceptHandler", + (PyObject*)ExceptHandler_type) < 0) return; if (PyDict_SetItemString(d, "arguments", (PyObject*)arguments_type) < 0) return; if (PyDict_SetItemString(d, "arg", (PyObject*)arg_type) < 0) return; |