mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-08-31 14:07:50 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 9

bpo-39965: Correctly raise SyntaxError if await is used outside async functions when PyCF_ALLOW_TOP_LEVEL_AWAIT is set (GH-19010)

Browse source
This commit is contained in:
Pablo Galindo 2020-03-15 04:29:22 +00:00 • committed by GitHub
parent 33238ec2af
commit 90235810ec
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
3 changed files with 49 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

12
Python/compile.c
View file

@ -41,6 +41,10 @@
#define COMP_SETCOMP 2
#define COMP_DICTCOMP 3
#define IS_TOP_LEVEL_AWAIT(c) ( \
(c->c_flags->cf_flags & PyCF_ALLOW_TOP_LEVEL_AWAIT) \
&& (c->u->u_ste->ste_type == ModuleBlock))
struct instr {
unsigned i_jabs : 1;
unsigned i_jrel : 1;
@ -2743,7 +2747,7 @@ static int
compiler_async_for(struct compiler *c, stmt_ty s)
{
basicblock *start, *except, *end;
if (c->c_flags->cf_flags & PyCF_ALLOW_TOP_LEVEL_AWAIT){
if (IS_TOP_LEVEL_AWAIT(c)){
c->u->u_ste->ste_coroutine = 1;
} else if (c->u->u_scope_type != COMPILER_SCOPE_ASYNC_FUNCTION) {
return compiler_error(c, "'async for' outside async function");
@ -4789,7 +4793,7 @@ compiler_async_with(struct compiler *c, stmt_ty s, int pos)
withitem_ty item = asdl_seq_GET(s->v.AsyncWith.items, pos);
assert(s->kind == AsyncWith_kind);
if (c->c_flags->cf_flags & PyCF_ALLOW_TOP_LEVEL_AWAIT){
if (IS_TOP_LEVEL_AWAIT(c)){
c->u->u_ste->ste_coroutine = 1;
} else if (c->u->u_scope_type != COMPILER_SCOPE_ASYNC_FUNCTION){
return compiler_error(c, "'async with' outside async function");
@ -5007,7 +5011,7 @@ compiler_visit_expr1(struct compiler *c, expr_ty e)
ADDOP(c, YIELD_FROM);
break;
case Await_kind:
if (!(c->c_flags->cf_flags & PyCF_ALLOW_TOP_LEVEL_AWAIT)){
if (!IS_TOP_LEVEL_AWAIT(c)){
if (c->u->u_ste->ste_type != FunctionBlock){
return compiler_error(c, "'await' outside function");
}
@ -5836,7 +5840,7 @@ compute_code_flags(struct compiler *c)
/* (Only) inherit compilerflags in PyCF_MASK */
flags |= (c->c_flags->cf_flags & PyCF_MASK);
if ((c->c_flags->cf_flags & PyCF_ALLOW_TOP_LEVEL_AWAIT) &&
if ((IS_TOP_LEVEL_AWAIT(c)) &&
ste->ste_coroutine &&
!ste->ste_generator) {
flags |= CO_COROUTINE;