bpo-27129: Use instruction offsets, not byte offsets, in bytecode and internally. (GH-25069)
* Use instruction offset, rather than bytecode offset. Streamlines interpreter dispatch a bit, and removes most EXTENDED_ARGs for jumps.
* Change some uses of PyCode_Addr2Line to PyFrame_GetLineNumber
diff --git a/Objects/codeobject.c b/Objects/codeobject.c
index 69cb31c..9bb49f1 100644
--- a/Objects/codeobject.c
+++ b/Objects/codeobject.c
@@ -1246,7 +1246,7 @@ PyTypeObject PyCode_Type = {
int
PyCode_Addr2Line(PyCodeObject *co, int addrq)
{
- if (addrq == -1) {
+ if (addrq < 0) {
return co->co_firstlineno;
}
assert(addrq >= 0 && addrq < PyBytes_GET_SIZE(co->co_code));