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| author | Serhiy Storchaka <storchaka@gmail.com> | 2018-02-22 21:33:30 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-02-22 21:33:30 (GMT) |
| commit | 520b7ae27e39d1c77ea74ccd1b184d7cb43f9dcb (patch) | |
| tree | 8a661515a3574b0d79ea2024a3b92646dd7ee837 /Misc/NEWS.d | |
| parent | 4af8fd561433826ac897c55e41a087a5c5dbacf3 (diff) | |
| download | cpython-520b7ae27e39d1c77ea74ccd1b184d7cb43f9dcb.zip cpython-520b7ae27e39d1c77ea74ccd1b184d7cb43f9dcb.tar.gz cpython-520b7ae27e39d1c77ea74ccd1b184d7cb43f9dcb.tar.bz2 | |
bpo-17611. Move unwinding of stack for "pseudo exceptions" from interpreter to compiler. (GH-5006)
Co-authored-by: Mark Shannon <mark@hotpy.org>
Co-authored-by: Antoine Pitrou <antoine@python.org>
Diffstat (limited to 'Misc/NEWS.d')
| -rw-r--r-- | Misc/NEWS.d/next/Core and Builtins/2017-12-24-19-48-59.bpo-17611.P85kWL.rst | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/Misc/NEWS.d/next/Core and Builtins/2017-12-24-19-48-59.bpo-17611.P85kWL.rst b/Misc/NEWS.d/next/Core and Builtins/2017-12-24-19-48-59.bpo-17611.P85kWL.rst new file mode 100644 index 0000000..52949e6 --- /dev/null +++ b/Misc/NEWS.d/next/Core and Builtins/2017-12-24-19-48-59.bpo-17611.P85kWL.rst @@ -0,0 +1,10 @@ +Simplified the interpreter loop by moving the logic of unrolling the stack +of blocks into the compiler. The compiler emits now explicit instructions +for adjusting the stack of values and calling the cleaning up code for +:keyword:`break`, :keyword:`continue` and :keyword:`return`. + +Removed opcodes :opcode:`BREAK_LOOP`, :opcode:`CONTINUE_LOOP`, +:opcode:`SETUP_LOOP` and :opcode:`SETUP_EXCEPT`. Added new opcodes +:opcode:`ROT_FOUR`, :opcode:`BEGIN_FINALLY` and :opcode:`CALL_FINALLY` and +:opcode:`POP_FINALLY`. Changed the behavior of :opcode:`END_FINALLY` and +:opcode:`WITH_CLEANUP_START`. |