[Python-Dev] wpython is back (original) (raw)

Cesare Di Mauro cesare.di.mauro at gmail.com
Thu Dec 3 21:03:33 CET 2009

2009/11/27 Christian Heimes <lists at cheimes.de>

Cesare Di Mauro wrote: > > You'll find some at page 28 > here<_ _http://wpython.googlecode.com/files/Beyond%20Bytecode%20-%20A%20Wordcode-based%20Python.pdf_ _> > .. > > Mart made more interesting > ones<http://www.mail-archive.com/python-dev@python.org/msg43282.html_ _>with > Unladen benchmarks.

The PDF document sounded interesting and I was tempted to test WPython. Unfortunately it doesn't compile on my box: $ make gcc -pthread -c -fno-strict-aliasing -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -I. -IInclude -I./Include -DPyBUILDCORE -o Python/ast.o Python/ast.c

Python/ast.c:30: warning: ‘enum exprconst’ declared inside parameter list Python/ast.c:30: warning: its scope is only this definition or declaration, which is probably not what you want Python/ast.c:335: warning: ‘enum exprconst’ declared inside parameter list Python/ast.c:335: error: parameter 2 (‘constant’) has incomplete type Python/ast.c: In function ‘Const’: Python/ast.c:341: error: ‘Constkind’ undeclared (first use in this function) Python/ast.c:341: error: (Each undeclared identifier is reported only once Python/ast.c:341: error: for each function it appears in.) Python/ast.c:342: error: ‘union ’ has no member named ‘Const’ Python/ast.c:343: error: ‘union ’ has no member named ‘Const’ Python/ast.c: In function ‘setcontext’: Python/ast.c:457: error: ‘Constkind’ undeclared (first use in this function) Python/ast.c: At top level: Python/ast.c:591: warning: ‘enum exprconst’ declared inside parameter list Python/ast.c:590: error: conflicting types for ‘seqfortestlist’ Python/ast.c:29: note: previous declaration of ‘seqfortestlist’ was here [...] $ gcc --version gcc (Ubuntu 4.4.1-4ubuntu8) 4.4.1 $ uname -a Linux hamiller 2.6.31-14-generic #48-Ubuntu SMP Fri Oct 16 14:05:01 UTC 2009 x8664 GNU/Linux I have created a new project at Google Code: http://code.google.com/p/wpython2/ using Mercurial for the repository.

The master (Python 2.6.4) code is located into the default repository: https://wpython2.googlecode.com/hg/

The wpython (version 1.0) clone is in: https://wpython10.wpython2.googlecode.com/hg/

Sources are available in: http://code.google.com/p/wpython2/downloads/list

wpython 1.0 is an almost complete replacement for Python 2.6.4 (except for Doc/library.dis.rst, which I'll update later, when I stop adding or changing opcodes).

I have changed the ASDL grammar (in Parser/Python.asdl) so that there's no need to overwrite Include/Python-ast.h, and I've added full support for constants to the AST code (I left Num_kind and Str_kind untouched right now, but I plan to remove them in the next release, since Const_kind is able to hold any kind of constant object).

Now you shouldn't have problems compiling it.

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