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#!/usr/bin/env python
"""
Build common block mechanism for f2py2e.
Copyright 2000 Pearu Peterson all rights reserved,
Pearu Peterson <pearu@ioc.ee>
Permission to use, modify, and distribute this software is given under the
terms of the NumPy License
NO WARRANTY IS EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK.
$Date: 2005/05/06 10:57:33 $
Pearu Peterson
"""
__version__ = "$Revision: 1.19 $"[10:-1]
import __version__
f2py_version = __version__.version
import pprint
import sys
errmess=sys.stderr.write
outmess=sys.stdout.write
show=pprint.pprint
from auxfuncs import *
import capi_maps
import func2subr
from crackfortran import rmbadname
##############
def findcommonblocks(block,top=1):
ret = []
if hascommon(block):
for n in block['common'].keys():
vars={}
for v in block['common'][n]:
vars[v]=block['vars'][v]
ret.append((n,block['common'][n],vars))
elif hasbody(block):
for b in block['body']:
ret=ret+findcommonblocks(b,0)
if top:
tret=[]
names=[]
for t in ret:
if t[0] not in names:
names.append(t[0])
tret.append(t)
return tret
return ret
def buildhooks(m):
ret = {'commonhooks':[],'initcommonhooks':[],'docs':['"COMMON blocks:\\n"']}
fwrap = ['']
def fadd(line,s=fwrap): s[0] = '%s\n %s'%(s[0],line)
chooks = ['']
def cadd(line,s=chooks): s[0] = '%s\n%s'%(s[0],line)
ihooks = ['']
def iadd(line,s=ihooks): s[0] = '%s\n%s'%(s[0],line)
doc = ['']
def dadd(line,s=doc): s[0] = '%s\n%s'%(s[0],line)
for (name,vnames,vars) in findcommonblocks(m):
lower_name = name.lower()
hnames,inames = [],[]
for n in vnames:
if isintent_hide(vars[n]): hnames.append(n)
else: inames.append(n)
if hnames:
outmess('\t\tConstructing COMMON block support for "%s"...\n\t\t %s\n\t\t Hidden: %s\n'%(name,','.join(inames),','.join(hnames)))
else:
outmess('\t\tConstructing COMMON block support for "%s"...\n\t\t %s\n'%(name,','.join(inames)))
fadd('subroutine f2pyinit%s(setupfunc)'%name)
fadd('external setupfunc')
for n in vnames:
fadd(func2subr.var2fixfortran(vars,n))
if name=='_BLNK_':
fadd('common %s'%(','.join(vnames)))
else:
fadd('common /%s/ %s'%(name,','.join(vnames)))
fadd('call setupfunc(%s)'%(','.join(inames)))
fadd('end\n')
cadd('static FortranDataDef f2py_%s_def[] = {'%(name))
idims=[]
for n in inames:
ct = capi_maps.getctype(vars[n])
at = capi_maps.c2capi_map[ct]
dm = capi_maps.getarrdims(n,vars[n])
if dm['dims']: idims.append('(%s)'%(dm['dims']))
else: idims.append('')
dms=dm['dims'].strip()
if not dms: dms='-1'
cadd('\t{\"%s\",%s,{{%s}},%s},'%(n,dm['rank'],dms,at))
cadd('\t{NULL}\n};')
inames1 = rmbadname(inames)
inames1_tps = ','.join(map(lambda s:'char *'+s,inames1))
cadd('static void f2py_setup_%s(%s) {'%(name,inames1_tps))
cadd('\tint i_f2py=0;')
for n in inames1:
cadd('\tf2py_%s_def[i_f2py++].data = %s;'%(name,n))
cadd('}')
if '_' in lower_name:
F_FUNC='F_FUNC_US'
else:
F_FUNC='F_FUNC'
cadd('extern void %s(f2pyinit%s,F2PYINIT%s)(void(*)(%s));'\
%(F_FUNC,lower_name,name.upper(),
','.join(['char*']*len(inames1))))
cadd('static void f2py_init_%s(void) {'%name)
cadd('\t%s(f2pyinit%s,F2PYINIT%s)(f2py_setup_%s);'\
%(F_FUNC,lower_name,name.upper(),name))
cadd('}\n')
iadd('\tF2PyDict_SetItemString(d, \"%s\", PyFortranObject_New(f2py_%s_def,f2py_init_%s));'%(name,name,name))
tname = name.replace('_','\\_')
dadd('\\subsection{Common block \\texttt{%s}}\n'%(tname))
dadd('\\begin{description}')
for n in inames:
dadd('\\item[]{{}\\verb@%s@{}}'%(capi_maps.getarrdocsign(n,vars[n])))
if hasnote(vars[n]):
note = vars[n]['note']
if type(note) is type([]): note='\n'.join(note)
dadd('--- %s'%(note))
dadd('\\end{description}')
ret['docs'].append('"\t/%s/ %s\\n"'%(name,','.join(map(lambda v,d:v+d,inames,idims))))
ret['commonhooks']=chooks
ret['initcommonhooks']=ihooks
ret['latexdoc']=doc[0]
if len(ret['docs'])<=1: ret['docs']=''
return ret,fwrap[0]
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