#3400: document new 3.0 opcodes.

This commit is contained in:
Georg Brandl 2008-07-20 21:39:03 +00:00
parent dbdbf75983
commit 5ac22308be
1 changed files with 20 additions and 2 deletions

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@ -414,8 +414,8 @@ Miscellaneous opcodes.
.. opcode:: LOAD_BUILD_CLASS ()
Pushes builtins.__build_class__ onto the stack. It is later called by
```CALL_FUNCTION`` to construct a class.
Pushes :func:`builtins.__build_class__` onto the stack. It is later called
by :opcode:`CALL_FUNCTION` to construct a class.
.. opcode:: WITH_CLEANUP ()
@ -440,6 +440,12 @@ Miscellaneous opcodes.
.. XXX explain the WHY stuff!
.. opcode:: STORE_LOCALS
Pops TOS from the stack and stores it as the current frame's ``f_locals``.
This is used in class construction.
All of the following opcodes expect arguments. An argument is two bytes, with
the more significant byte last.
@ -462,6 +468,18 @@ the more significant byte last.
right-to-left.
.. opcode:: UNPACK_EX (counts)
Implements assignment with a starred target: Unpacks an iterable in TOS into
individual values, where the total number of values can be smaller than the
number of items in the iterable: one the new values will be a list of all
leftover items.
The low byte of *counts* is the number of values before the list value, the
high byte of *counts* the number of values after it. The resulting values
are put onto the stack right-to-left.
.. opcode:: DUP_TOPX (count)
Duplicate *count* items, keeping them in the same order. Due to implementation