diff options
Diffstat (limited to 'Python/compile.c')
-rw-r--r-- | Python/compile.c | 34 |
1 files changed, 18 insertions, 16 deletions
diff --git a/Python/compile.c b/Python/compile.c index f048743..787dfe3 100644 --- a/Python/compile.c +++ b/Python/compile.c @@ -117,7 +117,6 @@ struct compiler_unit { members, you can reach all early allocated blocks. */ basicblock *u_blocks; basicblock *u_curblock; /* pointer to current block */ - int u_tmpname; /* temporary variables for list comps */ int u_nfblocks; struct fblockinfo u_fblock[CO_MAXBLOCKS]; @@ -146,7 +145,6 @@ struct compiler { struct compiler_unit *u; /* compiler state for current block */ PyObject *c_stack; /* Python list holding compiler_unit ptrs */ - char *c_encoding; /* source encoding (a borrowed reference) */ PyArena *c_arena; /* pointer to memory allocation arena */ }; @@ -295,9 +293,6 @@ PyAST_Compile(mod_ty mod, const char *filename, PyCompilerFlags *flags, goto finally; } - /* XXX initialize to NULL for now, need to handle */ - c.c_encoding = NULL; - co = compiler_mod(&c, mod); finally: @@ -488,7 +483,6 @@ compiler_enter_scope(struct compiler *c, identifier name, void *key, } u->u_blocks = NULL; - u->u_tmpname = 0; u->u_nfblocks = 0; u->u_firstlineno = lineno; u->u_lineno = 0; @@ -2154,6 +2148,13 @@ compiler_from_import(struct compiler *c, stmt_ty s) PyObject *names = PyTuple_New(n); PyObject *level; + static PyObject *empty_string; + + if (!empty_string) { + empty_string = PyUnicode_FromString(""); + if (!empty_string) + return 0; + } if (!names) return 0; @@ -2171,23 +2172,24 @@ compiler_from_import(struct compiler *c, stmt_ty s) PyTuple_SET_ITEM(names, i, alias->name); } - if (s->lineno > c->c_future->ff_lineno) { - if (!PyUnicode_CompareWithASCIIString(s->v.ImportFrom.module, - "__future__")) { - Py_DECREF(level); - Py_DECREF(names); - return compiler_error(c, - "from __future__ imports must occur " + if (s->lineno > c->c_future->ff_lineno && s->v.ImportFrom.module && + !PyUnicode_CompareWithASCIIString(s->v.ImportFrom.module, "__future__")) { + Py_DECREF(level); + Py_DECREF(names); + return compiler_error(c, "from __future__ imports must occur " "at the beginning of the file"); - - } } ADDOP_O(c, LOAD_CONST, level, consts); Py_DECREF(level); ADDOP_O(c, LOAD_CONST, names, consts); Py_DECREF(names); - ADDOP_NAME(c, IMPORT_NAME, s->v.ImportFrom.module, names); + if (s->v.ImportFrom.module) { + ADDOP_NAME(c, IMPORT_NAME, s->v.ImportFrom.module, names); + } + else { + ADDOP_NAME(c, IMPORT_NAME, empty_string, names); + } for (i = 0; i < n; i++) { alias_ty alias = (alias_ty)asdl_seq_GET(s->v.ImportFrom.names, i); identifier store_name; |