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270 lines
9.6 KiB
Python
270 lines
9.6 KiB
Python
"""
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Build F90 module support for f2py2e.
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Copyright 1999 -- 2011 Pearu Peterson all rights reserved.
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Copyright 2011 -- present NumPy Developers.
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Permission to use, modify, and distribute this software is given under the
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terms of the NumPy License.
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NO WARRANTY IS EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK.
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"""
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__version__ = "$Revision: 1.27 $"[10:-1]
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f2py_version = 'See `f2py -v`'
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import numpy as np
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from . import capi_maps, func2subr
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# The environment provided by auxfuncs.py is needed for some calls to eval.
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# As the needed functions cannot be determined by static inspection of the
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# code, it is safest to use import * pending a major refactoring of f2py.
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from .auxfuncs import *
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from .crackfortran import undo_rmbadname, undo_rmbadname1
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options = {}
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def findf90modules(m):
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if ismodule(m):
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return [m]
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if not hasbody(m):
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return []
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ret = []
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for b in m['body']:
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if ismodule(b):
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ret.append(b)
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else:
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ret = ret + findf90modules(b)
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return ret
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fgetdims1 = """\
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external f2pysetdata
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logical ns
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integer r,i
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integer(%d) s(*)
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ns = .FALSE.
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if (allocated(d)) then
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do i=1,r
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if ((size(d,i).ne.s(i)).and.(s(i).ge.0)) then
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ns = .TRUE.
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end if
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end do
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if (ns) then
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deallocate(d)
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end if
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end if
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if ((.not.allocated(d)).and.(s(1).ge.1)) then""" % np.intp().itemsize
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fgetdims2 = """\
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end if
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if (allocated(d)) then
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do i=1,r
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s(i) = size(d,i)
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end do
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end if
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flag = 1
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call f2pysetdata(d,allocated(d))"""
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fgetdims2_sa = """\
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end if
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if (allocated(d)) then
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do i=1,r
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s(i) = size(d,i)
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end do
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!s(r) must be equal to len(d(1))
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end if
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flag = 2
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call f2pysetdata(d,allocated(d))"""
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def buildhooks(pymod):
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from . import rules
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ret = {'f90modhooks': [], 'initf90modhooks': [], 'body': [],
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'need': ['F_FUNC', 'arrayobject.h'],
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'separatorsfor': {'includes0': '\n', 'includes': '\n'},
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'docs': ['"Fortran 90/95 modules:\\n"'],
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'latexdoc': []}
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fhooks = ['']
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def fadd(line, s=fhooks):
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s[0] = f'{s[0]}\n {line}'
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doc = ['']
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def dadd(line, s=doc):
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s[0] = f'{s[0]}\n{line}'
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usenames = getuseblocks(pymod)
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for m in findf90modules(pymod):
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sargs, fargs, efargs, modobjs, notvars, onlyvars = [], [], [], [], [
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m['name']], []
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sargsp = []
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ifargs = []
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mfargs = []
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if hasbody(m):
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for b in m['body']:
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notvars.append(b['name'])
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for n in m['vars'].keys():
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var = m['vars'][n]
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if (n not in notvars and isvariable(var)) and (not l_or(isintent_hide, isprivate)(var)):
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onlyvars.append(n)
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mfargs.append(n)
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outmess(f"\t\tConstructing F90 module support for \"{m['name']}\"...\n")
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if len(onlyvars) == 0 and len(notvars) == 1 and m['name'] in notvars:
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outmess(f"\t\t\tSkipping {m['name']} since there are no public vars/func in this module...\n")
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continue
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# gh-25186
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if m['name'] in usenames and containscommon(m):
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outmess(f"\t\t\tSkipping {m['name']} since it is in 'use' and contains a common block...\n")
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continue
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# skip modules with derived types
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if m['name'] in usenames and containsderivedtypes(m):
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outmess(f"\t\t\tSkipping {m['name']} since it is in 'use' and contains a derived type...\n")
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continue
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if onlyvars:
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outmess(f"\t\t Variables: {' '.join(onlyvars)}\n")
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chooks = ['']
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def cadd(line, s=chooks):
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s[0] = f'{s[0]}\n{line}'
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ihooks = ['']
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def iadd(line, s=ihooks):
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s[0] = f'{s[0]}\n{line}'
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vrd = capi_maps.modsign2map(m)
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cadd('static FortranDataDef f2py_%s_def[] = {' % (m['name']))
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dadd('\\subsection{Fortran 90/95 module \\texttt{%s}}\n' % (m['name']))
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if hasnote(m):
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note = m['note']
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if isinstance(note, list):
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note = '\n'.join(note)
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dadd(note)
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if onlyvars:
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dadd('\\begin{description}')
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for n in onlyvars:
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var = m['vars'][n]
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modobjs.append(n)
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ct = capi_maps.getctype(var)
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at = capi_maps.c2capi_map[ct]
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dm = capi_maps.getarrdims(n, var)
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dms = dm['dims'].replace('*', '-1').strip()
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dms = dms.replace(':', '-1').strip()
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if not dms:
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dms = '-1'
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use_fgetdims2 = fgetdims2
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cadd('\t{"%s",%s,{{%s}},%s, %s},' %
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(undo_rmbadname1(n), dm['rank'], dms, at,
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capi_maps.get_elsize(var)))
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dadd('\\item[]{{}\\verb@%s@{}}' %
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(capi_maps.getarrdocsign(n, var)))
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if hasnote(var):
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note = var['note']
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if isinstance(note, list):
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note = '\n'.join(note)
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dadd(f'--- {note}')
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if isallocatable(var):
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fargs.append(f"f2py_{m['name']}_getdims_{n}")
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efargs.append(fargs[-1])
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sargs.append(
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f'void (*{n})(int*,npy_intp*,void(*)(char*,npy_intp*),int*)')
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sargsp.append('void (*)(int*,npy_intp*,void(*)(char*,npy_intp*),int*)')
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iadd(f"\tf2py_{m['name']}_def[i_f2py++].func = {n};")
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fadd(f'subroutine {fargs[-1]}(r,s,f2pysetdata,flag)')
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fadd(f"use {m['name']}, only: d => {undo_rmbadname1(n)}\n")
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fadd('integer flag\n')
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fhooks[0] = fhooks[0] + fgetdims1
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dms = range(1, int(dm['rank']) + 1)
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fadd(' allocate(d(%s))\n' %
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(','.join(['s(%s)' % i for i in dms])))
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fhooks[0] = fhooks[0] + use_fgetdims2
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fadd(f'end subroutine {fargs[-1]}')
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else:
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fargs.append(n)
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sargs.append(f'char *{n}')
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sargsp.append('char*')
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iadd(f"\tf2py_{m['name']}_def[i_f2py++].data = {n};")
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if onlyvars:
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dadd('\\end{description}')
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if hasbody(m):
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for b in m['body']:
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if not isroutine(b):
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outmess("f90mod_rules.buildhooks:"
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f" skipping {b['block']} {b['name']}\n")
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continue
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modobjs.append(f"{b['name']}()")
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b['modulename'] = m['name']
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api, wrap = rules.buildapi(b)
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if isfunction(b):
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fhooks[0] = fhooks[0] + wrap
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fargs.append(f"f2pywrap_{m['name']}_{b['name']}")
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ifargs.append(func2subr.createfuncwrapper(b, signature=1))
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elif wrap:
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fhooks[0] = fhooks[0] + wrap
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fargs.append(f"f2pywrap_{m['name']}_{b['name']}")
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ifargs.append(
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func2subr.createsubrwrapper(b, signature=1))
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else:
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fargs.append(b['name'])
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mfargs.append(fargs[-1])
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api['externroutines'] = []
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ar = applyrules(api, vrd)
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ar['docs'] = []
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ar['docshort'] = []
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ret = dictappend(ret, ar)
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cadd(('\t{"%s",-1,{{-1}},0,0,NULL,(void *)'
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'f2py_rout_#modulename#_%s_%s,'
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'doc_f2py_rout_#modulename#_%s_%s},')
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% (b['name'], m['name'], b['name'], m['name'], b['name']))
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sargs.append(f"char *{b['name']}")
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sargsp.append('char *')
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iadd(f"\tf2py_{m['name']}_def[i_f2py++].data = {b['name']};")
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cadd('\t{NULL}\n};\n')
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iadd('}')
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ihooks[0] = 'static void f2py_setup_%s(%s) {\n\tint i_f2py=0;%s' % (
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m['name'], ','.join(sargs), ihooks[0])
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if '_' in m['name']:
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F_FUNC = 'F_FUNC_US'
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else:
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F_FUNC = 'F_FUNC'
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iadd('extern void %s(f2pyinit%s,F2PYINIT%s)(void (*)(%s));'
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% (F_FUNC, m['name'], m['name'].upper(), ','.join(sargsp)))
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iadd('static void f2py_init_%s(void) {' % (m['name']))
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iadd('\t%s(f2pyinit%s,F2PYINIT%s)(f2py_setup_%s);'
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% (F_FUNC, m['name'], m['name'].upper(), m['name']))
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iadd('}\n')
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ret['f90modhooks'] = ret['f90modhooks'] + chooks + ihooks
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ret['initf90modhooks'] = ['\tPyDict_SetItemString(d, "%s", PyFortranObject_New(f2py_%s_def,f2py_init_%s));' % (
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m['name'], m['name'], m['name'])] + ret['initf90modhooks']
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fadd('')
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fadd(f"subroutine f2pyinit{m['name']}(f2pysetupfunc)")
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if mfargs:
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for a in undo_rmbadname(mfargs):
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fadd(f"use {m['name']}, only : {a}")
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if ifargs:
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fadd(' '.join(['interface'] + ifargs))
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fadd('end interface')
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fadd('external f2pysetupfunc')
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if efargs:
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for a in undo_rmbadname(efargs):
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fadd(f'external {a}')
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fadd(f"call f2pysetupfunc({','.join(undo_rmbadname(fargs))})")
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fadd(f"end subroutine f2pyinit{m['name']}\n")
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dadd('\n'.join(ret['latexdoc']).replace(
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r'\subsection{', r'\subsubsection{'))
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ret['latexdoc'] = []
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ret['docs'].append(f"\"\t{m['name']} --- {','.join(undo_rmbadname(modobjs))}\"")
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ret['routine_defs'] = ''
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ret['doc'] = []
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ret['docshort'] = []
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ret['latexdoc'] = doc[0]
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if len(ret['docs']) <= 1:
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ret['docs'] = ''
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return ret, fhooks[0]
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