forked from numpy/numpy
/
func2subr.py
290 lines (259 loc) · 8.71 KB
/
func2subr.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
#!/usr/bin/env python
"""
Rules for building C/API module with f2py2e.
Copyright 1999,2000 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: 2004/11/26 11:13:06 $
Pearu Peterson
"""
__version__ = "$Revision: 1.16 $"[10:-1]
f2py_version='See `f2py -v`'
import pprint
import copy
import sys
errmess=sys.stderr.write
outmess=sys.stdout.write
show=pprint.pprint
from auxfuncs import *
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)
return_char_star = 0
if l[:13]=='character*(*)':
return_char_star = 1
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 '):
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')
#print '**'*10
#print ret[0]
#print '**'*10
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 '):
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')
add(rout['saved_interface'].lstrip())
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')
#print '**'*10
#print ret[0]
#print '**'*10
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,''