144 lines
4.9 KiB
Python
144 lines
4.9 KiB
Python
"""
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Build common block mechanism 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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from . import __version__
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f2py_version = __version__.version
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from . import capi_maps, func2subr
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from .auxfuncs import getuseblocks, hasbody, hascommon, hasnote, isintent_hide, outmess
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from .crackfortran import rmbadname
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def findcommonblocks(block, top=1):
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ret = []
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if hascommon(block):
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for key, value in block['common'].items():
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vars_ = {v: block['vars'][v] for v in value}
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ret.append((key, value, vars_))
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elif hasbody(block):
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for b in block['body']:
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ret = ret + findcommonblocks(b, 0)
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if top:
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tret = []
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names = []
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for t in ret:
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if t[0] not in names:
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names.append(t[0])
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tret.append(t)
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return tret
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return ret
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def buildhooks(m):
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ret = {'commonhooks': [], 'initcommonhooks': [],
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'docs': ['"COMMON blocks:\\n"']}
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fwrap = ['']
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def fadd(line, s=fwrap):
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s[0] = f'{s[0]}\n {line}'
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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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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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for (name, vnames, vars) in findcommonblocks(m):
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lower_name = name.lower()
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hnames, inames = [], []
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for n in vnames:
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if isintent_hide(vars[n]):
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hnames.append(n)
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else:
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inames.append(n)
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if hnames:
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outmess('\t\tConstructing COMMON block support for "%s"...\n\t\t %s\n\t\t Hidden: %s\n' % (
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name, ','.join(inames), ','.join(hnames)))
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else:
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outmess('\t\tConstructing COMMON block support for "%s"...\n\t\t %s\n' % (
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name, ','.join(inames)))
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fadd(f'subroutine f2pyinit{name}(setupfunc)')
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for usename in getuseblocks(m):
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fadd(f'use {usename}')
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fadd('external setupfunc')
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for n in vnames:
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fadd(func2subr.var2fixfortran(vars, n))
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if name == '_BLNK_':
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fadd(f"common {','.join(vnames)}")
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else:
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fadd(f"common /{name}/ {','.join(vnames)}")
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fadd(f"call setupfunc({','.join(inames)})")
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fadd('end\n')
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cadd('static FortranDataDef f2py_%s_def[] = {' % (name))
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idims = []
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for n in inames:
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ct = capi_maps.getctype(vars[n])
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elsize = capi_maps.get_elsize(vars[n])
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at = capi_maps.c2capi_map[ct]
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dm = capi_maps.getarrdims(n, vars[n])
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if dm['dims']:
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idims.append(f"({dm['dims']})")
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else:
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idims.append('')
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dms = dm['dims'].strip()
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if not dms:
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dms = '-1'
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cadd('\t{\"%s\",%s,{{%s}},%s, %s},'
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% (n, dm['rank'], dms, at, elsize))
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cadd('\t{NULL}\n};')
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inames1 = rmbadname(inames)
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inames1_tps = ','.join(['char *' + s for s in inames1])
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cadd('static void f2py_setup_%s(%s) {' % (name, inames1_tps))
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cadd('\tint i_f2py=0;')
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for n in inames1:
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cadd(f'\tf2py_{name}_def[i_f2py++].data = {n};')
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cadd('}')
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if '_' in lower_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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cadd('extern void %s(f2pyinit%s,F2PYINIT%s)(void(*)(%s));'
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% (F_FUNC, lower_name, name.upper(),
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','.join(['char*'] * len(inames1))))
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cadd('static void f2py_init_%s(void) {' % name)
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cadd('\t%s(f2pyinit%s,F2PYINIT%s)(f2py_setup_%s);'
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% (F_FUNC, lower_name, name.upper(), name))
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cadd('}\n')
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iadd(f'\ttmp = PyFortranObject_New(f2py_{name}_def,f2py_init_{name});')
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iadd('\tif (tmp == NULL) return NULL;')
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iadd(f'\tif (F2PyDict_SetItemString(d, "{name}", tmp) == -1) return NULL;')
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iadd('\tPy_DECREF(tmp);')
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tname = name.replace('_', '\\_')
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dadd('\\subsection{Common block \\texttt{%s}}\n' % (tname))
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dadd('\\begin{description}')
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for n in inames:
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dadd('\\item[]{{}\\verb@%s@{}}' %
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(capi_maps.getarrdocsign(n, vars[n])))
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if hasnote(vars[n]):
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note = vars[n]['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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dadd('\\end{description}')
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ret['docs'].append(
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f"\"\t/{name}/ {','.join(map(lambda v, d: v + d, inames, idims))}\\n\"")
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ret['commonhooks'] = chooks
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ret['initcommonhooks'] = ihooks
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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, fwrap[0]
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