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#!/usr/bin/env python3
"""
Build F90 module support for f2py2e.
Copyright 2000 Pearu Peterson all rights reserved,
Pearu Peterson <[email protected]>
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: 2005/02/03 19:30:23 $
Pearu Peterson
"""
__version__ = "$Revision: 1.27 $"[10:-1]
f2py_version = 'See `f2py -v`'
import numpy as np
from . import capi_maps
from . import func2subr
from .crackfortran import undo_rmbadname, undo_rmbadname1
# The environment provided by auxfuncs.py is needed for some calls to eval.
# As the needed functions cannot be determined by static inspection of the
# code, it is safest to use import * pending a major refactoring of f2py.
from .auxfuncs import *
options = {}
def findf90modules(m):
if ismodule(m):
return [m]
if not hasbody(m):
return []
ret = []
for b in m['body']:
if ismodule(b):
ret.append(b)
else:
ret = ret + findf90modules(b)
return ret
fgetdims1 = """\
external f2pysetdata
logical ns
integer r,i
integer(%d) s(*)
ns = .FALSE.
if (allocated(d)) then
do i=1,r
if ((size(d,i).ne.s(i)).and.(s(i).ge.0)) then
ns = .TRUE.
end if
end do
if (ns) then
deallocate(d)
end if
end if
if ((.not.allocated(d)).and.(s(1).ge.1)) then""" % np.intp().itemsize
fgetdims2 = """\
end if
if (allocated(d)) then
do i=1,r
s(i) = size(d,i)
end do
end if
flag = 1
call f2pysetdata(d,allocated(d))"""
fgetdims2_sa = """\
end if
if (allocated(d)) then
do i=1,r
s(i) = size(d,i)
end do
!s(r) must be equal to len(d(1))
end if
flag = 2
call f2pysetdata(d,allocated(d))"""
def buildhooks(pymod):
from . import rules
ret = {'f90modhooks': [], 'initf90modhooks': [], 'body': [],
'need': ['F_FUNC', 'arrayobject.h'],
'separatorsfor': {'includes0': '\n', 'includes': '\n'},
'docs': ['"Fortran 90/95 modules:\\n"'],
'latexdoc': []}
fhooks = ['']
def fadd(line, s=fhooks):
s[0] = '%s\n %s' % (s[0], line)
doc = ['']
def dadd(line, s=doc):
s[0] = '%s\n%s' % (s[0], line)
for m in findf90modules(pymod):
sargs, fargs, efargs, modobjs, notvars, onlyvars = [], [], [], [], [
m['name']], []
sargsp = []
ifargs = []
mfargs = []
if hasbody(m):
for b in m['body']:
notvars.append(b['name'])
for n in m['vars'].keys():
var = m['vars'][n]
if (n not in notvars) and (not l_or(isintent_hide, isprivate)(var)):
onlyvars.append(n)
mfargs.append(n)
outmess('\t\tConstructing F90 module support for "%s"...\n' %
(m['name']))
if onlyvars:
outmess('\t\t Variables: %s\n' % (' '.join(onlyvars)))
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)
vrd = capi_maps.modsign2map(m)
cadd('static FortranDataDef f2py_%s_def[] = {' % (m['name']))
dadd('\\subsection{Fortran 90/95 module \\texttt{%s}}\n' % (m['name']))
if hasnote(m):
note = m['note']
if isinstance(note, list):
note = '\n'.join(note)
dadd(note)
if onlyvars:
dadd('\\begin{description}')
for n in onlyvars:
var = m['vars'][n]
modobjs.append(n)
ct = capi_maps.getctype(var)
at = capi_maps.c2capi_map[ct]
dm = capi_maps.getarrdims(n, var)
dms = dm['dims'].replace('*', '-1').strip()
dms = dms.replace(':', '-1').strip()
if not dms:
dms = '-1'
use_fgetdims2 = fgetdims2
if isstringarray(var):
if 'charselector' in var and 'len' in var['charselector']:
cadd('\t{"%s",%s,{{%s,%s}},%s},'
% (undo_rmbadname1(n), dm['rank'], dms, var['charselector']['len'], at))
use_fgetdims2 = fgetdims2_sa
else:
cadd('\t{"%s",%s,{{%s}},%s},' %
(undo_rmbadname1(n), dm['rank'], dms, at))
else:
cadd('\t{"%s",%s,{{%s}},%s},' %
(undo_rmbadname1(n), dm['rank'], dms, at))
dadd('\\item[]{{}\\verb@%s@{}}' %
(capi_maps.getarrdocsign(n, var)))
if hasnote(var):
note = var['note']
if isinstance(note, list):
note = '\n'.join(note)
dadd('--- %s' % (note))
if isallocatable(var):
fargs.append('f2py_%s_getdims_%s' % (m['name'], n))
efargs.append(fargs[-1])
sargs.append(
'void (*%s)(int*,int*,void(*)(char*,int*),int*)' % (n))
sargsp.append('void (*)(int*,int*,void(*)(char*,int*),int*)')
iadd('\tf2py_%s_def[i_f2py++].func = %s;' % (m['name'], n))
fadd('subroutine %s(r,s,f2pysetdata,flag)' % (fargs[-1]))
fadd('use %s, only: d => %s\n' %
(m['name'], undo_rmbadname1(n)))
fadd('integer flag\n')
fhooks[0] = fhooks[0] + fgetdims1
dms = range(1, int(dm['rank']) + 1)
fadd(' allocate(d(%s))\n' %
(','.join(['s(%s)' % i for i in dms])))
fhooks[0] = fhooks[0] + use_fgetdims2
fadd('end subroutine %s' % (fargs[-1]))
else:
fargs.append(n)
sargs.append('char *%s' % (n))
sargsp.append('char*')
iadd('\tf2py_%s_def[i_f2py++].data = %s;' % (m['name'], n))
if onlyvars:
dadd('\\end{description}')
if hasbody(m):
for b in m['body']:
if not isroutine(b):
outmess("f90mod_rules.buildhooks:"
f" skipping {b['block']} {b['name']}\n")
continue
modobjs.append('%s()' % (b['name']))
b['modulename'] = m['name']
api, wrap = rules.buildapi(b)
if isfunction(b):
fhooks[0] = fhooks[0] + wrap
fargs.append('f2pywrap_%s_%s' % (m['name'], b['name']))
ifargs.append(func2subr.createfuncwrapper(b, signature=1))
else:
if wrap:
fhooks[0] = fhooks[0] + wrap
fargs.append('f2pywrap_%s_%s' % (m['name'], b['name']))
ifargs.append(
func2subr.createsubrwrapper(b, signature=1))
else:
fargs.append(b['name'])
mfargs.append(fargs[-1])
api['externroutines'] = []
ar = applyrules(api, vrd)
ar['docs'] = []
ar['docshort'] = []
ret = dictappend(ret, ar)
cadd('\t{"%s",-1,{{-1}},0,NULL,(void *)f2py_rout_#modulename#_%s_%s,doc_f2py_rout_#modulename#_%s_%s},' %
(b['name'], m['name'], b['name'], m['name'], b['name']))
sargs.append('char *%s' % (b['name']))
sargsp.append('char *')
iadd('\tf2py_%s_def[i_f2py++].data = %s;' %
(m['name'], b['name']))
cadd('\t{NULL}\n};\n')
iadd('}')
ihooks[0] = 'static void f2py_setup_%s(%s) {\n\tint i_f2py=0;%s' % (
m['name'], ','.join(sargs), ihooks[0])
if '_' in m['name']:
F_FUNC = 'F_FUNC_US'
else:
F_FUNC = 'F_FUNC'
iadd('extern void %s(f2pyinit%s,F2PYINIT%s)(void (*)(%s));'
% (F_FUNC, m['name'], m['name'].upper(), ','.join(sargsp)))
iadd('static void f2py_init_%s(void) {' % (m['name']))
iadd('\t%s(f2pyinit%s,F2PYINIT%s)(f2py_setup_%s);'
% (F_FUNC, m['name'], m['name'].upper(), m['name']))
iadd('}\n')
ret['f90modhooks'] = ret['f90modhooks'] + chooks + ihooks
ret['initf90modhooks'] = ['\tPyDict_SetItemString(d, "%s", PyFortranObject_New(f2py_%s_def,f2py_init_%s));' % (
m['name'], m['name'], m['name'])] + ret['initf90modhooks']
fadd('')
fadd('subroutine f2pyinit%s(f2pysetupfunc)' % (m['name']))
if mfargs:
for a in undo_rmbadname(mfargs):
fadd('use %s, only : %s' % (m['name'], a))
if ifargs:
fadd(' '.join(['interface'] + ifargs))
fadd('end interface')
fadd('external f2pysetupfunc')
if efargs:
for a in undo_rmbadname(efargs):
fadd('external %s' % (a))
fadd('call f2pysetupfunc(%s)' % (','.join(undo_rmbadname(fargs))))
fadd('end subroutine f2pyinit%s\n' % (m['name']))
dadd('\n'.join(ret['latexdoc']).replace(
r'\subsection{', r'\subsubsection{'))
ret['latexdoc'] = []
ret['docs'].append('"\t%s --- %s"' % (m['name'],
','.join(undo_rmbadname(modobjs))))
ret['routine_defs'] = ''
ret['doc'] = []
ret['docshort'] = []
ret['latexdoc'] = doc[0]
if len(ret['docs']) <= 1:
ret['docs'] = ''
return ret, fhooks[0]
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