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| #!/usr/bin/env python3 | |
| """ | |
| Rules for building C/API module with f2py2e. | |
| Copyright 1999,2000 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: 2004/11/26 11:13:06 $ | |
| Pearu Peterson | |
| """ | |
| __version__ = "$Revision: 1.16 $"[10:-1] | |
| f2py_version = 'See `f2py -v`' | |
| import copy | |
| from .auxfuncs import ( | |
| getfortranname, isexternal, isfunction, isfunction_wrap, isintent_in, | |
| isintent_out, islogicalfunction, ismoduleroutine, isscalar, | |
| issubroutine, issubroutine_wrap, outmess, show | |
| ) | |
| def var2fixfortran(vars, a, fa=None, f90mode=None): | |
| if fa is None: | |
| fa = a | |
| if a not in vars: | |
| show(vars) | |
| outmess('var2fixfortran: No definition for argument "%s".\n' % a) | |
| return '' | |
| if 'typespec' not in vars[a]: | |
| show(vars[a]) | |
| outmess('var2fixfortran: No typespec for argument "%s".\n' % a) | |
| return '' | |
| vardef = vars[a]['typespec'] | |
| if vardef == 'type' and 'typename' in vars[a]: | |
| vardef = '%s(%s)' % (vardef, vars[a]['typename']) | |
| selector = {} | |
| lk = '' | |
| if 'kindselector' in vars[a]: | |
| selector = vars[a]['kindselector'] | |
| lk = 'kind' | |
| elif 'charselector' in vars[a]: | |
| selector = vars[a]['charselector'] | |
| lk = 'len' | |
| if '*' in selector: | |
| if f90mode: | |
| if selector['*'] in ['*', ':', '(*)']: | |
| vardef = '%s(len=*)' % (vardef) | |
| else: | |
| vardef = '%s(%s=%s)' % (vardef, lk, selector['*']) | |
| else: | |
| if selector['*'] in ['*', ':']: | |
| vardef = '%s*(%s)' % (vardef, selector['*']) | |
| else: | |
| vardef = '%s*%s' % (vardef, selector['*']) | |
| else: | |
| if 'len' in selector: | |
| vardef = '%s(len=%s' % (vardef, selector['len']) | |
| if 'kind' in selector: | |
| vardef = '%s,kind=%s)' % (vardef, selector['kind']) | |
| else: | |
| vardef = '%s)' % (vardef) | |
| elif 'kind' in selector: | |
| vardef = '%s(kind=%s)' % (vardef, selector['kind']) | |
| vardef = '%s %s' % (vardef, fa) | |
| if 'dimension' in vars[a]: | |
| vardef = '%s(%s)' % (vardef, ','.join(vars[a]['dimension'])) | |
| return vardef | |
| def createfuncwrapper(rout, signature=0): | |
| assert isfunction(rout) | |
| extra_args = [] | |
| vars = rout['vars'] | |
| for a in rout['args']: | |
| v = rout['vars'][a] | |
| for i, d in enumerate(v.get('dimension', [])): | |
| if d == ':': | |
| dn = 'f2py_%s_d%s' % (a, i) | |
| dv = dict(typespec='integer', intent=['hide']) | |
| dv['='] = 'shape(%s, %s)' % (a, i) | |
| extra_args.append(dn) | |
| vars[dn] = dv | |
| v['dimension'][i] = dn | |
| rout['args'].extend(extra_args) | |
| need_interface = bool(extra_args) | |
| ret = [''] | |
| def add(line, ret=ret): | |
| ret[0] = '%s\n %s' % (ret[0], line) | |
| name = rout['name'] | |
| fortranname = getfortranname(rout) | |
| f90mode = ismoduleroutine(rout) | |
| newname = '%sf2pywrap' % (name) | |
| if newname not in vars: | |
| vars[newname] = vars[name] | |
| args = [newname] + rout['args'][1:] | |
| else: | |
| args = [newname] + rout['args'] | |
| l = var2fixfortran(vars, name, newname, f90mode) | |
| if l[:13] == 'character*(*)': | |
| if f90mode: | |
| l = 'character(len=10)' + l[13:] | |
| else: | |
| l = 'character*10' + l[13:] | |
| charselect = vars[name]['charselector'] | |
| if charselect.get('*', '') == '(*)': | |
| charselect['*'] = '10' | |
| sargs = ', '.join(args) | |
| if f90mode: | |
| add('subroutine f2pywrap_%s_%s (%s)' % | |
| (rout['modulename'], name, sargs)) | |
| if not signature: | |
| add('use %s, only : %s' % (rout['modulename'], fortranname)) | |
| else: | |
| add('subroutine f2pywrap%s (%s)' % (name, sargs)) | |
| if not need_interface: | |
| add('external %s' % (fortranname)) | |
| l = l + ', ' + fortranname | |
| if need_interface: | |
| for line in rout['saved_interface'].split('\n'): | |
| if line.lstrip().startswith('use ') and '__user__' not in line: | |
| add(line) | |
| args = args[1:] | |
| dumped_args = [] | |
| for a in args: | |
| if isexternal(vars[a]): | |
| add('external %s' % (a)) | |
| dumped_args.append(a) | |
| for a in args: | |
| if a in dumped_args: | |
| continue | |
| if isscalar(vars[a]): | |
| add(var2fixfortran(vars, a, f90mode=f90mode)) | |
| dumped_args.append(a) | |
| for a in args: | |
| if a in dumped_args: | |
| continue | |
| if isintent_in(vars[a]): | |
| add(var2fixfortran(vars, a, f90mode=f90mode)) | |
| dumped_args.append(a) | |
| for a in args: | |
| if a in dumped_args: | |
| continue | |
| add(var2fixfortran(vars, a, f90mode=f90mode)) | |
| add(l) | |
| if need_interface: | |
| if f90mode: | |
| # f90 module already defines needed interface | |
| pass | |
| else: | |
| add('interface') | |
| add(rout['saved_interface'].lstrip()) | |
| add('end interface') | |
| sargs = ', '.join([a for a in args if a not in extra_args]) | |
| if not signature: | |
| if islogicalfunction(rout): | |
| add('%s = .not.(.not.%s(%s))' % (newname, fortranname, sargs)) | |
| else: | |
| add('%s = %s(%s)' % (newname, fortranname, sargs)) | |
| if f90mode: | |
| add('end subroutine f2pywrap_%s_%s' % (rout['modulename'], name)) | |
| else: | |
| add('end') | |
| return ret[0] | |
| def createsubrwrapper(rout, signature=0): | |
| assert issubroutine(rout) | |
| extra_args = [] | |
| vars = rout['vars'] | |
| for a in rout['args']: | |
| v = rout['vars'][a] | |
| for i, d in enumerate(v.get('dimension', [])): | |
| if d == ':': | |
| dn = 'f2py_%s_d%s' % (a, i) | |
| dv = dict(typespec='integer', intent=['hide']) | |
| dv['='] = 'shape(%s, %s)' % (a, i) | |
| extra_args.append(dn) | |
| vars[dn] = dv | |
| v['dimension'][i] = dn | |
| rout['args'].extend(extra_args) | |
| need_interface = bool(extra_args) | |
| ret = [''] | |
| def add(line, ret=ret): | |
| ret[0] = '%s\n %s' % (ret[0], line) | |
| name = rout['name'] | |
| fortranname = getfortranname(rout) | |
| f90mode = ismoduleroutine(rout) | |
| args = rout['args'] | |
| sargs = ', '.join(args) | |
| if f90mode: | |
| add('subroutine f2pywrap_%s_%s (%s)' % | |
| (rout['modulename'], name, sargs)) | |
| if not signature: | |
| add('use %s, only : %s' % (rout['modulename'], fortranname)) | |
| else: | |
| add('subroutine f2pywrap%s (%s)' % (name, sargs)) | |
| if not need_interface: | |
| add('external %s' % (fortranname)) | |
| if need_interface: | |
| for line in rout['saved_interface'].split('\n'): | |
| if line.lstrip().startswith('use ') and '__user__' not in line: | |
| add(line) | |
| dumped_args = [] | |
| for a in args: | |
| if isexternal(vars[a]): | |
| add('external %s' % (a)) | |
| dumped_args.append(a) | |
| for a in args: | |
| if a in dumped_args: | |
| continue | |
| if isscalar(vars[a]): | |
| add(var2fixfortran(vars, a, f90mode=f90mode)) | |
| dumped_args.append(a) | |
| for a in args: | |
| if a in dumped_args: | |
| continue | |
| add(var2fixfortran(vars, a, f90mode=f90mode)) | |
| if need_interface: | |
| if f90mode: | |
| # f90 module already defines needed interface | |
| pass | |
| else: | |
| add('interface') | |
| for line in rout['saved_interface'].split('\n'): | |
| if line.lstrip().startswith('use ') and '__user__' in line: | |
| continue | |
| add(line) | |
| add('end interface') | |
| sargs = ', '.join([a for a in args if a not in extra_args]) | |
| if not signature: | |
| add('call %s(%s)' % (fortranname, sargs)) | |
| if f90mode: | |
| add('end subroutine f2pywrap_%s_%s' % (rout['modulename'], name)) | |
| else: | |
| add('end') | |
| return ret[0] | |
| def assubr(rout): | |
| if isfunction_wrap(rout): | |
| fortranname = getfortranname(rout) | |
| name = rout['name'] | |
| outmess('\t\tCreating wrapper for Fortran function "%s"("%s")...\n' % ( | |
| name, fortranname)) | |
| rout = copy.copy(rout) | |
| fname = name | |
| rname = fname | |
| if 'result' in rout: | |
| rname = rout['result'] | |
| rout['vars'][fname] = rout['vars'][rname] | |
| fvar = rout['vars'][fname] | |
| if not isintent_out(fvar): | |
| if 'intent' not in fvar: | |
| fvar['intent'] = [] | |
| fvar['intent'].append('out') | |
| flag = 1 | |
| for i in fvar['intent']: | |
| if i.startswith('out='): | |
| flag = 0 | |
| break | |
| if flag: | |
| fvar['intent'].append('out=%s' % (rname)) | |
| rout['args'][:] = [fname] + rout['args'] | |
| return rout, createfuncwrapper(rout) | |
| if issubroutine_wrap(rout): | |
| fortranname = getfortranname(rout) | |
| name = rout['name'] | |
| outmess('\t\tCreating wrapper for Fortran subroutine "%s"("%s")...\n' % ( | |
| name, fortranname)) | |
| rout = copy.copy(rout) | |
| return rout, createsubrwrapper(rout) | |
| return rout, '' | |