Mirror
/
cpython
mirror of https://github.com/python/cpython
4
1
Fork 0
Code Issues Releases Wiki Activity

Merged revisions 69769,69776 via svnmerge from 

svn+ssh://pythondev@svn.python.org/python/trunk

........
  r69769 | georg.brandl | 2009-02-19 02:30:06 -0600 (Thu, 19 Feb 2009) | 1 line

  #5310, #3558: fix operator precedence table.
........
  r69776 | georg.brandl | 2009-02-19 10:34:51 -0600 (Thu, 19 Feb 2009) | 2 lines

  #5317: update IronPython URL.
........
This commit is contained in:
Benjamin Peterson 2009-02-20 04:02:38 +00:00
parent 93d83da8e2
commit ba01dd93d2
2 changed files with 47 additions and 55 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

77
Doc/reference/expressions.rst
View File

@ -785,14 +785,14 @@ number. (In earlier versions it raised a :exc:`ValueError`.)
.. _unary: .. _unary:
Unary arithmetic operations Unary arithmetic and bitwise operations
=========================== =======================================
.. index:: .. index::
triple: unary; arithmetic; operation triple: unary; arithmetic; operation
triple: unary; bitwise; operation triple: unary; bitwise; operation
All unary arithmetic (and bitwise) operations have the same priority: All unary arithmetic and bitwise operations have the same priority:
.. productionlist:: .. productionlist::
u_expr: `power` | "-" `u_expr` | "+" `u_expr` | "~" `u_expr` u_expr: `power` | "-" `u_expr` | "+" `u_expr` | "~" `u_expr`
@ -1240,56 +1240,46 @@ comparisons, including tests, which all have the same precedence and chain from
left to right --- see section :ref:`comparisons` --- and exponentiation, which left to right --- see section :ref:`comparisons` --- and exponentiation, which
groups from right to left). groups from right to left).
+----------------------------------------------+-------------------------------------+
+-----------------------------------------------+-------------------------------------+
| Operator | Description | | Operator | Description |
+==============================================+=====================================+ +===============================================+=====================================+
| :keyword:`lambda` | Lambda expression | | :keyword:`lambda` | Lambda expression |
+----------------------------------------------+-------------------------------------+ +-----------------------------------------------+-------------------------------------+
| :keyword:`or` | Boolean OR | | :keyword:`or` | Boolean OR |
+----------------------------------------------+-------------------------------------+ +-----------------------------------------------+-------------------------------------+
| :keyword:`and` | Boolean AND | | :keyword:`and` | Boolean AND |
+----------------------------------------------+-------------------------------------+ +-----------------------------------------------+-------------------------------------+
| :keyword:`not` *x* | Boolean NOT | | :keyword:`not` *x* | Boolean NOT |
+----------------------------------------------+-------------------------------------+ +-----------------------------------------------+-------------------------------------+
| :keyword:`in`, :keyword:`not` :keyword:`in` | Membership tests | | :keyword:`in`, :keyword:`not` :keyword:`in`, | Comparisons, including membership |
+----------------------------------------------+-------------------------------------+ | :keyword:`is`, :keyword:`is not`, ``<``, | tests and identity tests, |
| :keyword:`is`, :keyword:`is not` | Identity tests | | ``<=``, ``>``, ``>=``, ``<>``, ``!=``, ``==`` | |
+----------------------------------------------+-------------------------------------+ +-----------------------------------------------+-------------------------------------+
| ``<``, ``<=``, ``>``, ``>=``, ``!=``, ``==`` | Comparisons |
+----------------------------------------------+-------------------------------------+
| ``|`` | Bitwise OR | | ``|`` | Bitwise OR |
+----------------------------------------------+-------------------------------------+ +-----------------------------------------------+-------------------------------------+
| ``^`` | Bitwise XOR | | ``^`` | Bitwise XOR |
+----------------------------------------------+-------------------------------------+ +-----------------------------------------------+-------------------------------------+
| ``&`` | Bitwise AND | | ``&`` | Bitwise AND |
+----------------------------------------------+-------------------------------------+ +-----------------------------------------------+-------------------------------------+
| ``<<``, ``>>`` | Shifts | | ``<<``, ``>>`` | Shifts |
+----------------------------------------------+-------------------------------------+ +-----------------------------------------------+-------------------------------------+
| ``+``, ``-`` | Addition and subtraction | | ``+``, ``-`` | Addition and subtraction |
+----------------------------------------------+-------------------------------------+ +-----------------------------------------------+-------------------------------------+
| ``*``, ``/``, ``//``, ``%`` | Multiplication, division, remainder | | ``*``, ``/``, ``//``, ``%`` | Multiplication, division, remainder |
+----------------------------------------------+-------------------------------------+ +-----------------------------------------------+-------------------------------------+
| ``+x``, ``-x`` | Positive, negative | | ``+x``, ``-x``, ``~x`` | Positive, negative, bitwise NOT |
+----------------------------------------------+-------------------------------------+ +-----------------------------------------------+-------------------------------------+
| ``~x`` | Bitwise not | | ``**`` | Exponentiation [#]_ |
+----------------------------------------------+-------------------------------------+ +-----------------------------------------------+-------------------------------------+
| ``**`` | Exponentiation | | ``x[index]``, ``x[index:index]``, | Subscription, slicing, |
+----------------------------------------------+-------------------------------------+ | ``x(arguments...)``, ``x.attribute`` | call, attribute reference |
| ``x[index]`` | Subscription | +-----------------------------------------------+-------------------------------------+
+----------------------------------------------+-------------------------------------+ | ``(expressions...)``, | Binding or tuple display, |
| ``x[index:index]`` | Slicing | | ``[expressions...]``, | list display, |
+----------------------------------------------+-------------------------------------+ | ``{key:datum...}``, | dictionary display, |
| ``x(arguments...)`` | Call | +-----------------------------------------------+-------------------------------------+
+----------------------------------------------+-------------------------------------+
| ``x.attribute`` | Attribute reference |
+----------------------------------------------+-------------------------------------+
| ``(expressions...)`` | Binding, tuple display, generator |
| | expressions |
+----------------------------------------------+-------------------------------------+
| ``[expressions...]`` | List display |
+----------------------------------------------+-------------------------------------+
| ``{expressions...}`` | Dictionary or set display |
+----------------------------------------------+-------------------------------------+
.. rubric:: Footnotes .. rubric:: Footnotes
@ -1327,3 +1317,6 @@ groups from right to left).
descriptors, you may notice seemingly unusual behaviour in certain uses of descriptors, you may notice seemingly unusual behaviour in certain uses of
the :keyword:`is` operator, like those involving comparisons between instance the :keyword:`is` operator, like those involving comparisons between instance
methods, or constants. Check their documentation for more info. methods, or constants. Check their documentation for more info.
.. [#] The power operator ``**`` binds less tightly than an arithmetic or
bitwise unary operator on its right, that is, ``2**-1`` is ``0.5``.

3
Doc/reference/introduction.rst
View File

@ -66,8 +66,7 @@ IronPython
An alternate Python for .NET. Unlike Python.NET, this is a complete Python An alternate Python for .NET. Unlike Python.NET, this is a complete Python
implementation that generates IL, and compiles Python code directly to .NET implementation that generates IL, and compiles Python code directly to .NET
assemblies. It was created by Jim Hugunin, the original creator of Jython. For assemblies. It was created by Jim Hugunin, the original creator of Jython. For
more information, see `the IronPython website more information, see `the IronPython website <http://www.ironpython.com/>`_.
<http://workspaces.gotdotnet.com/ironpython>`_.
PyPy PyPy
An implementation of Python written in Python; even the bytecode interpreter is An implementation of Python written in Python; even the bytecode interpreter is