diff options
Diffstat (limited to 'Python/Python-ast.c')
-rw-r--r-- | Python/Python-ast.c | 318 |
1 files changed, 305 insertions, 13 deletions
diff --git a/Python/Python-ast.c b/Python/Python-ast.c index 45fe444e26..dcfde3c349 100644 --- a/Python/Python-ast.c +++ b/Python/Python-ast.c @@ -2,7 +2,7 @@ /* - __version__ . + __version__ 82160. This module must be committed separately after each AST grammar change; The __version__ number is set to the revision number of the commit @@ -188,11 +188,26 @@ static char *Dict_fields[]={ "keys", "values", }; +static PyTypeObject *Set_type; +static char *Set_fields[]={ + "elts", +}; static PyTypeObject *ListComp_type; static char *ListComp_fields[]={ "elt", "generators", }; +static PyTypeObject *SetComp_type; +static char *SetComp_fields[]={ + "elt", + "generators", +}; +static PyTypeObject *DictComp_type; +static char *DictComp_fields[]={ + "key", + "value", + "generators", +}; static PyTypeObject *GeneratorExp_type; static char *GeneratorExp_fields[]={ "elt", @@ -512,8 +527,9 @@ static int add_attributes(PyTypeObject* type, char**attrs, int num_fields) { int i, result; PyObject *s, *l = PyTuple_New(num_fields); - if (!l) return 0; - for(i = 0; i < num_fields; i++) { + if (!l) + return 0; + for (i = 0; i < num_fields; i++) { s = PyString_FromString(attrs[i]); if (!s) { Py_DECREF(l); @@ -578,8 +594,25 @@ static int obj2ast_object(PyObject* obj, PyObject** out, PyArena* arena) return 0; } -#define obj2ast_identifier obj2ast_object -#define obj2ast_string obj2ast_object +static int obj2ast_identifier(PyObject* obj, PyObject** out, PyArena* arena) +{ + if (!PyString_CheckExact(obj) && obj != Py_None) { + PyErr_Format(PyExc_TypeError, + "AST identifier must be of type str"); + return 1; + } + return obj2ast_object(obj, out, arena); +} + +static int obj2ast_string(PyObject* obj, PyObject** out, PyArena* arena) +{ + if (!PyString_CheckExact(obj) && !PyUnicode_CheckExact(obj)) { + PyErr_SetString(PyExc_TypeError, + "AST string must be of type str or unicode"); + return 1; + } + return obj2ast_object(obj, out, arena); +} static int obj2ast_int(PyObject* obj, int* out, PyArena* arena) { @@ -718,8 +751,14 @@ static int init_types(void) if (!IfExp_type) return 0; Dict_type = make_type("Dict", expr_type, Dict_fields, 2); if (!Dict_type) return 0; + Set_type = make_type("Set", expr_type, Set_fields, 1); + if (!Set_type) return 0; ListComp_type = make_type("ListComp", expr_type, ListComp_fields, 2); if (!ListComp_type) return 0; + SetComp_type = make_type("SetComp", expr_type, SetComp_fields, 2); + if (!SetComp_type) return 0; + DictComp_type = make_type("DictComp", expr_type, DictComp_fields, 3); + if (!DictComp_type) return 0; GeneratorExp_type = make_type("GeneratorExp", expr_type, GeneratorExp_fields, 2); if (!GeneratorExp_type) return 0; @@ -1330,11 +1369,6 @@ ImportFrom(identifier module, asdl_seq * names, int level, int lineno, int col_offset, PyArena *arena) { stmt_ty p; - if (!module) { - PyErr_SetString(PyExc_ValueError, - "field module is required for ImportFrom"); - return NULL; - } p = (stmt_ty)PyArena_Malloc(arena, sizeof(*p)); if (!p) return NULL; @@ -1595,6 +1629,20 @@ Dict(asdl_seq * keys, asdl_seq * values, int lineno, int col_offset, PyArena } expr_ty +Set(asdl_seq * elts, int lineno, int col_offset, PyArena *arena) +{ + expr_ty p; + p = (expr_ty)PyArena_Malloc(arena, sizeof(*p)); + if (!p) + return NULL; + p->kind = Set_kind; + p->v.Set.elts = elts; + p->lineno = lineno; + p->col_offset = col_offset; + return p; +} + +expr_ty ListComp(expr_ty elt, asdl_seq * generators, int lineno, int col_offset, PyArena *arena) { @@ -1616,6 +1664,54 @@ ListComp(expr_ty elt, asdl_seq * generators, int lineno, int col_offset, } expr_ty +SetComp(expr_ty elt, asdl_seq * generators, int lineno, int col_offset, PyArena + *arena) +{ + expr_ty p; + if (!elt) { + PyErr_SetString(PyExc_ValueError, + "field elt is required for SetComp"); + return NULL; + } + p = (expr_ty)PyArena_Malloc(arena, sizeof(*p)); + if (!p) + return NULL; + p->kind = SetComp_kind; + p->v.SetComp.elt = elt; + p->v.SetComp.generators = generators; + p->lineno = lineno; + p->col_offset = col_offset; + return p; +} + +expr_ty +DictComp(expr_ty key, expr_ty value, asdl_seq * generators, int lineno, int + col_offset, PyArena *arena) +{ + expr_ty p; + if (!key) { + PyErr_SetString(PyExc_ValueError, + "field key is required for DictComp"); + return NULL; + } + if (!value) { + PyErr_SetString(PyExc_ValueError, + "field value is required for DictComp"); + return NULL; + } + p = (expr_ty)PyArena_Malloc(arena, sizeof(*p)); + if (!p) + return NULL; + p->kind = DictComp_kind; + p->v.DictComp.key = key; + p->v.DictComp.value = value; + p->v.DictComp.generators = generators; + p->lineno = lineno; + p->col_offset = col_offset; + return p; +} + +expr_ty GeneratorExp(expr_ty elt, asdl_seq * generators, int lineno, int col_offset, PyArena *arena) { @@ -2571,6 +2667,15 @@ ast2obj_expr(void* _o) goto failed; Py_DECREF(value); break; + case Set_kind: + result = PyType_GenericNew(Set_type, NULL, NULL); + if (!result) goto failed; + value = ast2obj_list(o->v.Set.elts, ast2obj_expr); + if (!value) goto failed; + if (PyObject_SetAttrString(result, "elts", value) == -1) + goto failed; + Py_DECREF(value); + break; case ListComp_kind: result = PyType_GenericNew(ListComp_type, NULL, NULL); if (!result) goto failed; @@ -2586,6 +2691,41 @@ ast2obj_expr(void* _o) goto failed; Py_DECREF(value); break; + case SetComp_kind: + result = PyType_GenericNew(SetComp_type, NULL, NULL); + if (!result) goto failed; + value = ast2obj_expr(o->v.SetComp.elt); + if (!value) goto failed; + if (PyObject_SetAttrString(result, "elt", value) == -1) + goto failed; + Py_DECREF(value); + value = ast2obj_list(o->v.SetComp.generators, + ast2obj_comprehension); + if (!value) goto failed; + if (PyObject_SetAttrString(result, "generators", value) == -1) + goto failed; + Py_DECREF(value); + break; + case DictComp_kind: + result = PyType_GenericNew(DictComp_type, NULL, NULL); + if (!result) goto failed; + value = ast2obj_expr(o->v.DictComp.key); + if (!value) goto failed; + if (PyObject_SetAttrString(result, "key", value) == -1) + goto failed; + Py_DECREF(value); + value = ast2obj_expr(o->v.DictComp.value); + if (!value) goto failed; + if (PyObject_SetAttrString(result, "value", value) == -1) + goto failed; + Py_DECREF(value); + value = ast2obj_list(o->v.DictComp.generators, + ast2obj_comprehension); + if (!value) goto failed; + if (PyObject_SetAttrString(result, "generators", value) == -1) + goto failed; + Py_DECREF(value); + break; case GeneratorExp_kind: result = PyType_GenericNew(GeneratorExp_type, NULL, NULL); if (!result) goto failed; @@ -4359,8 +4499,7 @@ obj2ast_stmt(PyObject* obj, stmt_ty* out, PyArena* arena) Py_XDECREF(tmp); tmp = NULL; } else { - PyErr_SetString(PyExc_TypeError, "required field \"module\" missing from ImportFrom"); - return 1; + module = NULL; } if (PyObject_HasAttrString(obj, "names")) { int res; @@ -4866,6 +5005,42 @@ obj2ast_expr(PyObject* obj, expr_ty* out, PyArena* arena) if (*out == NULL) goto failed; return 0; } + isinstance = PyObject_IsInstance(obj, (PyObject*)Set_type); + if (isinstance == -1) { + return 1; + } + if (isinstance) { + asdl_seq* elts; + + if (PyObject_HasAttrString(obj, "elts")) { + int res; + Py_ssize_t len; + Py_ssize_t i; + tmp = PyObject_GetAttrString(obj, "elts"); + if (tmp == NULL) goto failed; + if (!PyList_Check(tmp)) { + PyErr_Format(PyExc_TypeError, "Set field \"elts\" must be a list, not a %.200s", tmp->ob_type->tp_name); + goto failed; + } + len = PyList_GET_SIZE(tmp); + elts = asdl_seq_new(len, arena); + if (elts == NULL) goto failed; + for (i = 0; i < len; i++) { + expr_ty value; + res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &value, arena); + if (res != 0) goto failed; + asdl_seq_SET(elts, i, value); + } + Py_XDECREF(tmp); + tmp = NULL; + } else { + PyErr_SetString(PyExc_TypeError, "required field \"elts\" missing from Set"); + return 1; + } + *out = Set(elts, lineno, col_offset, arena); + if (*out == NULL) goto failed; + return 0; + } isinstance = PyObject_IsInstance(obj, (PyObject*)ListComp_type); if (isinstance == -1) { return 1; @@ -4915,6 +5090,118 @@ obj2ast_expr(PyObject* obj, expr_ty* out, PyArena* arena) if (*out == NULL) goto failed; return 0; } + isinstance = PyObject_IsInstance(obj, (PyObject*)SetComp_type); + if (isinstance == -1) { + return 1; + } + if (isinstance) { + expr_ty elt; + asdl_seq* generators; + + if (PyObject_HasAttrString(obj, "elt")) { + int res; + tmp = PyObject_GetAttrString(obj, "elt"); + if (tmp == NULL) goto failed; + res = obj2ast_expr(tmp, &elt, arena); + if (res != 0) goto failed; + Py_XDECREF(tmp); + tmp = NULL; + } else { + PyErr_SetString(PyExc_TypeError, "required field \"elt\" missing from SetComp"); + return 1; + } + if (PyObject_HasAttrString(obj, "generators")) { + int res; + Py_ssize_t len; + Py_ssize_t i; + tmp = PyObject_GetAttrString(obj, "generators"); + if (tmp == NULL) goto failed; + if (!PyList_Check(tmp)) { + PyErr_Format(PyExc_TypeError, "SetComp field \"generators\" must be a list, not a %.200s", tmp->ob_type->tp_name); + goto failed; + } + len = PyList_GET_SIZE(tmp); + generators = asdl_seq_new(len, arena); + if (generators == NULL) goto failed; + for (i = 0; i < len; i++) { + comprehension_ty value; + res = obj2ast_comprehension(PyList_GET_ITEM(tmp, i), &value, arena); + if (res != 0) goto failed; + asdl_seq_SET(generators, i, value); + } + Py_XDECREF(tmp); + tmp = NULL; + } else { + PyErr_SetString(PyExc_TypeError, "required field \"generators\" missing from SetComp"); + return 1; + } + *out = SetComp(elt, generators, lineno, col_offset, arena); + if (*out == NULL) goto failed; + return 0; + } + isinstance = PyObject_IsInstance(obj, (PyObject*)DictComp_type); + if (isinstance == -1) { + return 1; + } + if (isinstance) { + expr_ty key; + expr_ty value; + asdl_seq* generators; + + if (PyObject_HasAttrString(obj, "key")) { + int res; + tmp = PyObject_GetAttrString(obj, "key"); + if (tmp == NULL) goto failed; + res = obj2ast_expr(tmp, &key, arena); + if (res != 0) goto failed; + Py_XDECREF(tmp); + tmp = NULL; + } else { + PyErr_SetString(PyExc_TypeError, "required field \"key\" missing from DictComp"); + return 1; + } + if (PyObject_HasAttrString(obj, "value")) { + int res; + tmp = PyObject_GetAttrString(obj, "value"); + if (tmp == NULL) goto failed; + res = obj2ast_expr(tmp, &value, arena); + if (res != 0) goto failed; + Py_XDECREF(tmp); + tmp = NULL; + } else { + PyErr_SetString(PyExc_TypeError, "required field \"value\" missing from DictComp"); + return 1; + } + if (PyObject_HasAttrString(obj, "generators")) { + int res; + Py_ssize_t len; + Py_ssize_t i; + tmp = PyObject_GetAttrString(obj, "generators"); + if (tmp == NULL) goto failed; + if (!PyList_Check(tmp)) { + PyErr_Format(PyExc_TypeError, "DictComp field \"generators\" must be a list, not a %.200s", tmp->ob_type->tp_name); + goto failed; + } + len = PyList_GET_SIZE(tmp); + generators = asdl_seq_new(len, arena); + if (generators == NULL) goto failed; + for (i = 0; i < len; i++) { + comprehension_ty value; + res = obj2ast_comprehension(PyList_GET_ITEM(tmp, i), &value, arena); + if (res != 0) goto failed; + asdl_seq_SET(generators, i, value); + } + Py_XDECREF(tmp); + tmp = NULL; + } else { + PyErr_SetString(PyExc_TypeError, "required field \"generators\" missing from DictComp"); + return 1; + } + *out = DictComp(key, value, generators, lineno, col_offset, + arena); + if (*out == NULL) goto failed; + return 0; + } isinstance = PyObject_IsInstance(obj, (PyObject*)GeneratorExp_type); if (isinstance == -1) { return 1; @@ -6300,7 +6587,7 @@ init_ast(void) if (PyDict_SetItemString(d, "AST", (PyObject*)&AST_type) < 0) return; if (PyModule_AddIntConstant(m, "PyCF_ONLY_AST", PyCF_ONLY_AST) < 0) return; - if (PyModule_AddStringConstant(m, "__version__", "") < 0) + if (PyModule_AddStringConstant(m, "__version__", "82160") < 0) return; if (PyDict_SetItemString(d, "mod", (PyObject*)mod_type) < 0) return; if (PyDict_SetItemString(d, "Module", (PyObject*)Module_type) < 0) @@ -6357,8 +6644,13 @@ init_ast(void) return; if (PyDict_SetItemString(d, "IfExp", (PyObject*)IfExp_type) < 0) return; if (PyDict_SetItemString(d, "Dict", (PyObject*)Dict_type) < 0) return; + if (PyDict_SetItemString(d, "Set", (PyObject*)Set_type) < 0) return; if (PyDict_SetItemString(d, "ListComp", (PyObject*)ListComp_type) < 0) return; + if (PyDict_SetItemString(d, "SetComp", (PyObject*)SetComp_type) < 0) + return; + if (PyDict_SetItemString(d, "DictComp", (PyObject*)DictComp_type) < 0) + return; if (PyDict_SetItemString(d, "GeneratorExp", (PyObject*)GeneratorExp_type) < 0) return; if (PyDict_SetItemString(d, "Yield", (PyObject*)Yield_type) < 0) return; |