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| author | Mark Shannon <mark@hotpy.org> | 2022-01-24 11:08:53 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-01-24 11:08:53 (GMT) |
| commit | 0367a36fdc36b9c909c4d5acf7cde6ceeec0ba69 (patch) | |
| tree | 1a87e9cb04dca5ef87abc4bd55540bdb41bd2172 /Objects/genobject.c | |
| parent | d75a51bea3c2442f81d38ff850b81b8b7f3330f0 (diff) | |
| download | cpython-0367a36fdc36b9c909c4d5acf7cde6ceeec0ba69.zip cpython-0367a36fdc36b9c909c4d5acf7cde6ceeec0ba69.tar.gz cpython-0367a36fdc36b9c909c4d5acf7cde6ceeec0ba69.tar.bz2 | |
bpo-43683: Streamline YIELD_VALUE and SEND (GH-30723)
* Split YIELD_VALUE into ASYNC_GEN_WRAP; YIELD_VALUE for async generators.
* Split SEND into SEND; YIELD_VALUE.
* Document new opcodes.
Diffstat (limited to 'Objects/genobject.c')
| -rw-r--r-- | Objects/genobject.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/Objects/genobject.c b/Objects/genobject.c index 46b0190..b2d402e 100644 --- a/Objects/genobject.c +++ b/Objects/genobject.c @@ -353,7 +353,7 @@ _PyGen_yf(PyGenObject *gen) PyObject *bytecode = gen->gi_code->co_code; unsigned char *code = (unsigned char *)PyBytes_AS_STRING(bytecode); - if (frame->f_lasti < 0) { + if (frame->f_lasti < 1) { /* Return immediately if the frame didn't start yet. SEND always come after LOAD_CONST: a code object should not start with SEND */ @@ -361,7 +361,7 @@ _PyGen_yf(PyGenObject *gen) return NULL; } - if (code[frame->f_lasti*sizeof(_Py_CODEUNIT)] != SEND || frame->stacktop < 0) + if (code[(frame->f_lasti-1)*sizeof(_Py_CODEUNIT)] != SEND || frame->stacktop < 0) return NULL; yf = _PyFrame_StackPeek(frame); Py_INCREF(yf); @@ -488,6 +488,8 @@ _gen_throw(PyGenObject *gen, int close_on_genexit, assert(frame->f_lasti >= 0); PyObject *bytecode = gen->gi_code->co_code; unsigned char *code = (unsigned char *)PyBytes_AS_STRING(bytecode); + /* Backup to SEND */ + frame->f_lasti--; assert(code[frame->f_lasti*sizeof(_Py_CODEUNIT)] == SEND); int jump = code[frame->f_lasti*sizeof(_Py_CODEUNIT)+1]; frame->f_lasti += jump; |