diff options
Diffstat (limited to 'py/compile.c')
| -rw-r--r-- | py/compile.c | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/py/compile.c b/py/compile.c index 1182b8b1e..0b02746a5 100644 --- a/py/compile.c +++ b/py/compile.c @@ -1970,13 +1970,23 @@ STATIC void compile_async_stmt(compiler_t *comp, mp_parse_node_struct_t *pns) { compile_funcdef(comp, pns0); scope_t *fscope = (scope_t *)pns0->nodes[4]; fscope->scope_flags |= MP_SCOPE_FLAG_GENERATOR; - } else if (MP_PARSE_NODE_STRUCT_KIND(pns0) == PN_for_stmt) { - // async for - compile_async_for_stmt(comp, pns0); } else { - // async with - assert(MP_PARSE_NODE_STRUCT_KIND(pns0) == PN_with_stmt); - compile_async_with_stmt(comp, pns0); + // async for/with; first verify the scope is a generator + int scope_flags = comp->scope_cur->scope_flags; + if (!(scope_flags & MP_SCOPE_FLAG_GENERATOR)) { + compile_syntax_error(comp, (mp_parse_node_t)pns0, + MP_ERROR_TEXT("async for/with outside async function")); + return; + } + + if (MP_PARSE_NODE_STRUCT_KIND(pns0) == PN_for_stmt) { + // async for + compile_async_for_stmt(comp, pns0); + } else { + // async with + assert(MP_PARSE_NODE_STRUCT_KIND(pns0) == PN_with_stmt); + compile_async_with_stmt(comp, pns0); + } } } #endif |