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f90mod_rules.py
#!/usr/bin/env python3 """ Build F90 module support 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: 2005/02/03 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 cadd('\t{"%s",%s,{{%s}},%s, %s},' % (undo_rmbadname1(n), dm['rank'], dms, at, capi_maps.get_elsize(var))) 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}},0,0,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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