compile: Give a proper error on 'async with'/'async for' outside 'async def'
A simple reproducer is: async for x in():x
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511c180869
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862830da32
17
py/compile.c
17
py/compile.c
@ -1711,6 +1711,16 @@ STATIC void compile_yield_from(compiler_t *comp) {
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}
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#if MICROPY_PY_ASYNC_AWAIT
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STATIC bool compile_require_async_context(compiler_t *comp, mp_parse_node_struct_t *pns) {
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int scope_flags = comp->scope_cur->scope_flags;
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if(scope_flags & MP_SCOPE_FLAG_GENERATOR) {
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return true;
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}
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compile_syntax_error(comp, (mp_parse_node_t)pns,
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translate("'async for' or 'async with' outside async function"));
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return false;
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}
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STATIC void compile_await_object_method(compiler_t *comp, qstr method) {
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EMIT_ARG(load_method, method, false);
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EMIT_ARG(call_method, 0, 0, 0);
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@ -1720,6 +1730,10 @@ STATIC void compile_await_object_method(compiler_t *comp, qstr method) {
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STATIC void compile_async_for_stmt(compiler_t *comp, mp_parse_node_struct_t *pns) {
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// comp->break_label |= MP_EMIT_BREAK_FROM_FOR;
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if(!compile_require_async_context(comp, pns)) {
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return;
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}
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qstr context = MP_PARSE_NODE_LEAF_ARG(pns->nodes[1]);
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uint while_else_label = comp_next_label(comp);
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uint try_exception_label = comp_next_label(comp);
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@ -1857,6 +1871,9 @@ STATIC void compile_async_with_stmt_helper(compiler_t *comp, int n, mp_parse_nod
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}
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STATIC void compile_async_with_stmt(compiler_t *comp, mp_parse_node_struct_t *pns) {
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if(!compile_require_async_context(comp, pns)) {
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return;
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}
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// get the nodes for the pre-bit of the with (the a as b, c as d, ... bit)
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mp_parse_node_t *nodes;
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int n = mp_parse_node_extract_list(&pns->nodes[0], PN_with_stmt_list, &nodes);
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