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Editing: common_rules.py
#!/usr/bin/env python3 """ Build common block mechanism 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: 2005/05/06 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]) elsize = capi_maps.get_elsize(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, %s},' % (n, dm['rank'], dms, at, elsize)) 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('\tif (tmp == NULL) return NULL;') iadd('\tif (F2PyDict_SetItemString(d, \"%s\", tmp) == -1) return NULL;' % 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]
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