File size: 5,070 Bytes
dc2106c
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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
#!/usr/bin/env python3
"""



Build common block mechanism 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: 2005/05/06 10:57:33 $

Pearu Peterson



"""
from . import __version__
f2py_version = __version__.version

from .auxfuncs import (
    hasbody, hascommon, hasnote, isintent_hide, outmess
)
from . import capi_maps
from . import func2subr
from .crackfortran import rmbadname


def findcommonblocks(block, top=1):
    ret = []
    if hascommon(block):
        for key, value in block['common'].items():
            vars_ = {v: block['vars'][v] for v in value}
            ret.append((key, value, vars_))
    elif hasbody(block):
        for b in block['body']:
            ret = ret + findcommonblocks(b, 0)
    if top:
        tret = []
        names = []
        for t in ret:
            if t[0] not in names:
                names.append(t[0])
                tret.append(t)
        return tret
    return ret


def buildhooks(m):
    ret = {'commonhooks': [], 'initcommonhooks': [],
           'docs': ['"COMMON blocks:\\n"']}
    fwrap = ['']

    def fadd(line, s=fwrap):
        s[0] = '%s\n      %s' % (s[0], line)
    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)
    doc = ['']

    def dadd(line, s=doc):
        s[0] = '%s\n%s' % (s[0], line)
    for (name, vnames, vars) in findcommonblocks(m):
        lower_name = name.lower()
        hnames, inames = [], []
        for n in vnames:
            if isintent_hide(vars[n]):
                hnames.append(n)
            else:
                inames.append(n)
        if hnames:
            outmess('\t\tConstructing COMMON block support for "%s"...\n\t\t  %s\n\t\t  Hidden: %s\n' % (
                name, ','.join(inames), ','.join(hnames)))
        else:
            outmess('\t\tConstructing COMMON block support for "%s"...\n\t\t  %s\n' % (
                name, ','.join(inames)))
        fadd('subroutine f2pyinit%s(setupfunc)' % name)
        fadd('external setupfunc')
        for n in vnames:
            fadd(func2subr.var2fixfortran(vars, n))
        if name == '_BLNK_':
            fadd('common %s' % (','.join(vnames)))
        else:
            fadd('common /%s/ %s' % (name, ','.join(vnames)))
        fadd('call setupfunc(%s)' % (','.join(inames)))
        fadd('end\n')
        cadd('static FortranDataDef f2py_%s_def[] = {' % (name))
        idims = []
        for n in inames:
            ct = capi_maps.getctype(vars[n])
            at = capi_maps.c2capi_map[ct]
            dm = capi_maps.getarrdims(n, vars[n])
            if dm['dims']:
                idims.append('(%s)' % (dm['dims']))
            else:
                idims.append('')
            dms = dm['dims'].strip()
            if not dms:
                dms = '-1'
            cadd('\t{\"%s\",%s,{{%s}},%s},' % (n, dm['rank'], dms, at))
        cadd('\t{NULL}\n};')
        inames1 = rmbadname(inames)
        inames1_tps = ','.join(['char *' + s for s in inames1])
        cadd('static void f2py_setup_%s(%s) {' % (name, inames1_tps))
        cadd('\tint i_f2py=0;')
        for n in inames1:
            cadd('\tf2py_%s_def[i_f2py++].data = %s;' % (name, n))
        cadd('}')
        if '_' in lower_name:
            F_FUNC = 'F_FUNC_US'
        else:
            F_FUNC = 'F_FUNC'
        cadd('extern void %s(f2pyinit%s,F2PYINIT%s)(void(*)(%s));'
             % (F_FUNC, lower_name, name.upper(),
                ','.join(['char*'] * len(inames1))))
        cadd('static void f2py_init_%s(void) {' % name)
        cadd('\t%s(f2pyinit%s,F2PYINIT%s)(f2py_setup_%s);'
             % (F_FUNC, lower_name, name.upper(), name))
        cadd('}\n')
        iadd('\ttmp = PyFortranObject_New(f2py_%s_def,f2py_init_%s);' % (name, name))
        iadd('\tF2PyDict_SetItemString(d, \"%s\", tmp);' % name)
        iadd('\tPy_DECREF(tmp);')
        tname = name.replace('_', '\\_')
        dadd('\\subsection{Common block \\texttt{%s}}\n' % (tname))
        dadd('\\begin{description}')
        for n in inames:
            dadd('\\item[]{{}\\verb@%s@{}}' %
                 (capi_maps.getarrdocsign(n, vars[n])))
            if hasnote(vars[n]):
                note = vars[n]['note']
                if isinstance(note, list):
                    note = '\n'.join(note)
                dadd('--- %s' % (note))
        dadd('\\end{description}')
        ret['docs'].append(
            '"\t/%s/ %s\\n"' % (name, ','.join(map(lambda v, d: v + d, inames, idims))))
    ret['commonhooks'] = chooks
    ret['initcommonhooks'] = ihooks
    ret['latexdoc'] = doc[0]
    if len(ret['docs']) <= 1:
        ret['docs'] = ''
    return ret, fwrap[0]