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authorNed Batchelder <ned@nedbatchelder.com>2021-04-11 18:39:03 -0400
committerNed Batchelder <ned@nedbatchelder.com>2021-04-11 18:39:03 -0400
commit3cd4db3248fe48c3a531855227a9b2a3846e0110 (patch)
treeea7718d57062ac7301b809bab0c552986fa974a3
parent70ba38090b47d4dc0bd88fa39b6b1a5424d4793d (diff)
downloadpython-coveragepy-git-3cd4db3248fe48c3a531855227a9b2a3846e0110.tar.gz
fix: adapt to 3.10.0a7's f_lasti field
-rw-r--r--.github/workflows/testsuite.yml2
-rw-r--r--coverage/ctracer/tracer.c2
-rw-r--r--coverage/ctracer/util.h8
3 files changed, 10 insertions, 2 deletions
diff --git a/.github/workflows/testsuite.yml b/.github/workflows/testsuite.yml
index ee304af1..cf9aa52a 100644
--- a/.github/workflows/testsuite.yml
+++ b/.github/workflows/testsuite.yml
@@ -34,7 +34,7 @@ jobs:
- "3.7"
- "3.8"
- "3.9"
- - "3.10.0-alpha.6"
+ - "3.10.0-alpha.7"
- "pypy3"
exclude:
# Windows PyPy doesn't seem to work?
diff --git a/coverage/ctracer/tracer.c b/coverage/ctracer/tracer.c
index 00e4218d..57a6c078 100644
--- a/coverage/ctracer/tracer.c
+++ b/coverage/ctracer/tracer.c
@@ -715,7 +715,7 @@ CTracer_handle_return(CTracer *self, PyFrameObject *frame)
*/
int bytecode = RETURN_VALUE;
PyObject * pCode = frame->f_code->co_code;
- int lasti = frame->f_lasti;
+ int lasti = MyFrame_lasti(frame);
if (lasti < MyBytes_GET_SIZE(pCode)) {
bytecode = MyBytes_AS_STRING(pCode)[lasti];
diff --git a/coverage/ctracer/util.h b/coverage/ctracer/util.h
index 5cba9b30..420b1cbb 100644
--- a/coverage/ctracer/util.h
+++ b/coverage/ctracer/util.h
@@ -44,6 +44,14 @@
#endif /* Py3k */
+// The f_lasti field changed meaning in 3.10.0a7. It had been bytes, but
+// now is instructions, so we need to adjust it to use it as a byte index.
+#if PY_VERSION_HEX >= 0x030A00A7
+#define MyFrame_lasti(f) (f->f_lasti * 2)
+#else
+#define MyFrame_lasti(f) f->f_lasti
+#endif // 3.10.0a7
+
// Undocumented, and not in all 2.7.x, so our own copy of it.
#define My_XSETREF(op, op2) \
do { \