|
Size: 1158
Comment:
|
← Revision 13 as of 2010-01-11 13:54:26 ⇥
Size: 1477
Comment:
|
| Deletions are marked like this. | Additions are marked like this. |
| Line 2: | Line 2: |
The current implementation resides in http://hg.intevation.org/mercurial/pmezard/pysh/ |
|
| Line 5: | Line 7: |
| * [http://pyparsing.wikispaces.com/ Pyparsing]: an easy-to-use recursive descent parser as a single Python module. * [http://www.opengroup.org/onlinepubs/009695399/utilities/xcu_chap02.html#tag_02_10 POSIX shell BNF]: a good starting point for building our shell grammar * [http://pyparsing.wikispaces.com/space/showimage/ebnf.py ebnf.py]: An EBNF->pyparsing converter |
* [[http://pyparsing.wikispaces.com/|Pyparsing]]: an easy-to-use recursive descent parser as a single Python module. * [[http://www.opengroup.org/onlinepubs/009695399/utilities/xcu_chap02.html#tag_02_10|POSIX shell BNF]]: a good starting point for building our shell grammar * [[http://pyparsing.wikispaces.com/space/showimage/ebnf.py|ebnf.py]]: An EBNF->pyparsing converter |
| Line 11: | Line 13: |
| * [http://www.antlr.org Antlr]: An LL(k) recursive descent parser generator which can generate Python. * [http://dev.modelnine.org/hg/pyrr/ PyRR]: a lexing and parsing toolkit for Python. * [http://ipython.scipy.org/doc/manual/node12.html PySh]: the other Python shell * [http://www.busybox.net/cgi-bin/viewcvs.cgi/trunk/busybox/shell/ash.c Ash]: A maintained slim shell * [http://lists.samba.org/archive/linux/2004-February/009990.html Martin Pool presumes that it is not possible to use BNF to describe the sh grammar] |
* [[http://www.antlr.org|Antlr]]: An LL(k) recursive descent parser generator which can generate Python. * [[http://www.dabeaz.com/ply|PLY]] - lex/yacc alike framework for Python * [[http://dev.modelnine.org/hg/pyrr/|PyRR]]: a lexing and parsing toolkit for Python. * [[http://ipython.scipy.org/doc/manual/node12.html|PySh]]: the other Python shell * [[http://www.busybox.net/cgi-bin/viewcvs.cgi/trunk/busybox/shell/ash.c|Ash]]: A maintained slim shell * [[http://lists.samba.org/archive/linux/2004-February/009990.html|Martin Pool presumes that it is not possible to use BNF to describe the sh grammar]] - which is ok, because we only want to make a shell usable for the test suite, not a complete sh replacement ---- CategoryTesting |
PySh is a planned roughly POSIX-compliant shell with various built-ins to allow portability of the test suite. It is important that this tool be both simple and relatively self-contained.
The current implementation resides in http://hg.intevation.org/mercurial/pmezard/pysh/
Some useful links for getting started:
Pyparsing: an easy-to-use recursive descent parser as a single Python module.
POSIX shell BNF: a good starting point for building our shell grammar
ebnf.py: An EBNF->pyparsing converter
Other links:
Antlr: An LL(k) recursive descent parser generator which can generate Python.
PLY - lex/yacc alike framework for Python
PyRR: a lexing and parsing toolkit for Python.
PySh: the other Python shell
Ash: A maintained slim shell
Martin Pool presumes that it is not possible to use BNF to describe the sh grammar
- - which is ok, because we only want to make a shell usable for the test suite, not a complete sh replacement