JayKimDevolved/deepseek

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119 kB

	#!/usr/bin/env python
	"""
	crackfortran --- read fortran (77,90) code and extract declaration information.

	Copyright 1999-2004 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: 2005/09/27 07:13:49 $
	Pearu Peterson


	Usage of crackfortran:
	======================
	Command line keys: -quiet,-verbose,-fix,-f77,-f90,-show,-h <pyffilename>
	-m <module name for f77 routines>,--ignore-contains
	Functions: crackfortran, crack2fortran
	The following Fortran statements/constructions are supported
	(or will be if needed):
	block data,byte,call,character,common,complex,contains,data,
	dimension,double complex,double precision,end,external,function,
	implicit,integer,intent,interface,intrinsic,
	logical,module,optional,parameter,private,public,
	program,real,(sequence?),subroutine,type,use,virtual,
	include,pythonmodule
	Note: 'virtual' is mapped to 'dimension'.
	Note: 'implicit integer (z) static (z)' is 'implicit static (z)' (this is minor bug).
	Note: code after 'contains' will be ignored until its scope ends.
	Note: 'common' statement is extended: dimensions are moved to variable definitions
	Note: f2py directive: <commentchar>f2py<line> is read as <line>
	Note: pythonmodule is introduced to represent Python module

	Usage:
	`postlist=crackfortran(files,funcs)`
	`postlist` contains declaration information read from the list of files `files`.
	`crack2fortran(postlist)` returns a fortran code to be saved to pyf-file

	`postlist` has the following structure:
	*** it is a list of dictionaries containing `blocks':
	B = {'block','body','vars','parent_block'[,'name','prefix','args','result',
	'implicit','externals','interfaced','common','sortvars',
	'commonvars','note']}
	B['block'] = 'interface' \| 'function' \| 'subroutine' \| 'module' \|
	'program' \| 'block data' \| 'type' \| 'pythonmodule'
	B['body'] --- list containing `subblocks' with the same structure as `blocks'
	B['parent_block'] --- dictionary of a parent block:
	C['body'][<index>]['parent_block'] is C
	B['vars'] --- dictionary of variable definitions
	B['sortvars'] --- dictionary of variable definitions sorted by dependence (independent first)
	B['name'] --- name of the block (not if B['block']=='interface')
	B['prefix'] --- prefix string (only if B['block']=='function')
	B['args'] --- list of argument names if B['block']== 'function' \| 'subroutine'
	B['result'] --- name of the return value (only if B['block']=='function')
	B['implicit'] --- dictionary {'a':<variable definition>,'b':...} \| None
	B['externals'] --- list of variables being external
	B['interfaced'] --- list of variables being external and defined
	B['common'] --- dictionary of common blocks (list of objects)
	B['commonvars'] --- list of variables used in common blocks (dimensions are moved to variable definitions)
	B['from'] --- string showing the 'parents' of the current block
	B['use'] --- dictionary of modules used in current block:
	{<modulename>:{['only':<0\|1>],['map':{<local_name1>:<use_name1>,...}]}}
	B['note'] --- list of LaTeX comments on the block
	B['f2pyenhancements'] --- optional dictionary
	{'threadsafe':'','fortranname':<name>,
	'callstatement':<C-expr>\|<multi-line block>,
	'callprotoargument':<C-expr-list>,
	'usercode':<multi-line block>\|<list of multi-line blocks>,
	'pymethoddef:<multi-line block>'
	}
	B['entry'] --- dictionary {entryname:argslist,..}
	B['varnames'] --- list of variable names given in the order of reading the
	Fortran code, useful for derived types.
	B['saved_interface'] --- a string of scanned routine signature, defines explicit interface
	*** Variable definition is a dictionary
	D = B['vars'][<variable name>] =
	{'typespec'[,'attrspec','kindselector','charselector','=','typename']}
	D['typespec'] = 'byte' \| 'character' \| 'complex' \| 'double complex' \|
	'double precision' \| 'integer' \| 'logical' \| 'real' \| 'type'
	D['attrspec'] --- list of attributes (e.g. 'dimension(<arrayspec>)',
	'external','intent(in\|out\|inout\|hide\|c\|callback\|cache\|aligned4\|aligned8\|aligned16)',
	'optional','required', etc)
	K = D['kindselector'] = {['*','kind']} (only if D['typespec'] =
	'complex' \| 'integer' \| 'logical' \| 'real' )
	C = D['charselector'] = {['*','len','kind']}
	(only if D['typespec']=='character')
	D['='] --- initialization expression string
	D['typename'] --- name of the type if D['typespec']=='type'
	D['dimension'] --- list of dimension bounds
	D['intent'] --- list of intent specifications
	D['depend'] --- list of variable names on which current variable depends on
	D['check'] --- list of C-expressions; if C-expr returns zero, exception is raised
	D['note'] --- list of LaTeX comments on the variable
	*** Meaning of kind/char selectors (few examples):
	D['typespec>']K['']
	D['typespec'](kind=K['kind'])
	characterC['']
	character(len=C['len'],kind=C['kind'])
	(see also fortran type declaration statement formats below)

	Fortran 90 type declaration statement format (F77 is subset of F90)
	====================================================================
	(Main source: IBM XL Fortran 5.1 Language Reference Manual)
	type declaration = <typespec> [[<attrspec>]::] <entitydecl>
	<typespec> = byte \|
	character[<charselector>] \|
	complex[<kindselector>] \|
	double complex \|
	double precision \|
	integer[<kindselector>] \|
	logical[<kindselector>] \|
	real[<kindselector>] \|
	type(<typename>)
	<charselector> = * <charlen> \|
	([len=]<len>[,[kind=]<kind>]) \|
	(kind=<kind>[,len=<len>])
	<kindselector> = * <intlen> \|
	([kind=]<kind>)
	<attrspec> = comma separated list of attributes.
	Only the following attributes are used in
	building up the interface:
	external
	(parameter --- affects '=' key)
	optional
	intent
	Other attributes are ignored.
	<intentspec> = in \| out \| inout
	<arrayspec> = comma separated list of dimension bounds.
	<entitydecl> = <name> [[<charlen>][(<arrayspec>)] \| [(<arrayspec>)]<charlen>]
	[/<init_expr>/ \| =<init_expr>] [,<entitydecl>]

	In addition, the following attributes are used: check,depend,note

	TODO:
	* Apply 'parameter' attribute (e.g. 'integer parameter :: i=2' 'real x(i)'
	-> 'real x(2)')
	The above may be solved by creating appropriate preprocessor program, for example.

	"""
	from __future__ import division, absolute_import, print_function

	import sys
	import string
	import fileinput
	import re
	import pprint
	import os
	import copy
	import platform

	from . import __version__
	from .auxfuncs import *

	f2py_version = __version__.version

	# Global flags:
	strictf77=1 # Ignore `!' comments unless line[0]=='!'
	sourcecodeform='fix' # 'fix','free'
	quiet=0 # Be verbose if 0 (Obsolete: not used any more)
	verbose=1 # Be quiet if 0, extra verbose if > 1.
	tabchar=4*' '
	pyffilename=''
	f77modulename=''
	skipemptyends=0 # for old F77 programs without 'program' statement
	ignorecontains=1
	dolowercase=1
	debug=[]

	# Global variables
	groupcounter=0
	grouplist={groupcounter:[]}
	neededmodule=-1
	expectbegin=1
	skipblocksuntil=-1
	usermodules=[]
	f90modulevars={}
	gotnextfile=1
	filepositiontext=''
	currentfilename=''
	skipfunctions=[]
	skipfuncs=[]
	onlyfuncs=[]
	include_paths=[]
	previous_context = None


	def reset_global_f2py_vars():
	global groupcounter, grouplist, neededmodule, expectbegin, \
	skipblocksuntil, usermodules, f90modulevars, gotnextfile, \
	filepositiontext, currentfilename, skipfunctions, skipfuncs, \
	onlyfuncs, include_paths, previous_context, \
	strictf77, sourcecodeform, quiet, verbose, tabchar, pyffilename, \
	f77modulename, skipemptyends, ignorecontains, dolowercase, debug

	# flags
	strictf77 = 1
	sourcecodeform = 'fix'
	quiet = 0
	verbose = 1
	tabchar = 4*' '
	pyffilename = ''
	f77modulename = ''
	skipemptyends = 0
	ignorecontains = 1
	dolowercase = 1
	debug = []
	# variables
	groupcounter = 0
	grouplist = {groupcounter:[]}
	neededmodule =-1
	expectbegin = 1
	skipblocksuntil = -1
	usermodules = []
	f90modulevars = {}
	gotnextfile = 1
	filepositiontext = ''
	currentfilename = ''
	skipfunctions = []
	skipfuncs = []
	onlyfuncs = []
	include_paths = []
	previous_context = None


	###### Some helper functions
	def show(o,f=0):pprint.pprint(o)
	errmess=sys.stderr.write
	def outmess(line,flag=1):
	global filepositiontext
	if not verbose: return
	if not quiet:
	if flag:sys.stdout.write(filepositiontext)
	sys.stdout.write(line)
	re._MAXCACHE=50
	defaultimplicitrules={}
	for c in "abcdefghopqrstuvwxyz$_": defaultimplicitrules[c]={'typespec':'real'}
	for c in "ijklmn": defaultimplicitrules[c]={'typespec':'integer'}
	del c
	badnames={}
	invbadnames={}
	for n in ['int', 'double', 'float', 'char', 'short', 'long', 'void', 'case', 'while',
	'return', 'signed', 'unsigned', 'if', 'for', 'typedef', 'sizeof', 'union',
	'struct', 'static', 'register', 'new', 'break', 'do', 'goto', 'switch',
	'continue', 'else', 'inline', 'extern', 'delete', 'const', 'auto',
	'len', 'rank', 'shape', 'index', 'slen', 'size', '_i',
	'max', 'min',
	'flen', 'fshape',
	'string', 'complex_double', 'float_double', 'stdin', 'stderr', 'stdout',
	'type', 'default']:
	badnames[n]=n+'_bn'
	invbadnames[n+'_bn']=n

	def rmbadname1(name):
	if name in badnames:
	errmess('rmbadname1: Replacing "%s" with "%s".\n'%(name, badnames[name]))
	return badnames[name]
	return name

	def rmbadname(names): return [rmbadname1(_m) for _m in names]

	def undo_rmbadname1(name):
	if name in invbadnames:
	errmess('undo_rmbadname1: Replacing "%s" with "%s".\n'\
	%(name, invbadnames[name]))
	return invbadnames[name]
	return name

	def undo_rmbadname(names): return [undo_rmbadname1(_m) for _m in names]

	def getextension(name):
	i=name.rfind('.')
	if i==-1: return ''
	if '\\' in name[i:]: return ''
	if '/' in name[i:]: return ''
	return name[i+1:]

	is_f_file = re.compile(r'.*[.](for\|ftn\|f77\|f)\Z', re.I).match
	_has_f_header = re.compile(r'-[]-\sfortran\s-[]-', re.I).search
	_has_f90_header = re.compile(r'-[]-\sf90\s-[]-', re.I).search
	_has_fix_header = re.compile(r'-[]-\sfix\s-[]-', re.I).search
	_free_f90_start = re.compile(r'[^c]\s[^\s\d\t]', re.I).match
	def is_free_format(file):
	"""Check if file is in free format Fortran."""
	# f90 allows both fixed and free format, assuming fixed unless
	# signs of free format are detected.
	result = 0
	f = open(file, 'r')
	line = f.readline()
	n = 15 # the number of non-comment lines to scan for hints
	if _has_f_header(line):
	n = 0
	elif _has_f90_header(line):
	n = 0
	result = 1
	while n>0 and line:
	if line[0]!='!' and line.strip():
	n -= 1
	if (line[0]!='\t' and _free_f90_start(line[:5])) or line[-2:-1]=='&':
	result = 1
	break
	line = f.readline()
	f.close()
	return result


	####### Read fortran (77,90) code
	def readfortrancode(ffile,dowithline=show,istop=1):
	"""
	Read fortran codes from files and
	1) Get rid of comments, line continuations, and empty lines; lower cases.
	2) Call dowithline(line) on every line.
	3) Recursively call itself when statement \"include '<filename>'\" is met.
	"""
	global gotnextfile, filepositiontext, currentfilename, sourcecodeform, strictf77,\
	beginpattern, quiet, verbose, dolowercase, include_paths
	if not istop:
	saveglobals=gotnextfile, filepositiontext, currentfilename, sourcecodeform, strictf77,\
	beginpattern, quiet, verbose, dolowercase
	if ffile==[]: return
	localdolowercase = dolowercase
	cont=0
	finalline=''
	ll=''
	commentline=re.compile(r'(?P<line>([^"]["][^"]["][^"!]\|[^\']\'[^\']\'[^\'!]\|[^!\'"]))!{1}(?P<rest>.)')
	includeline=re.compile(r'\sinclude\s(\'\|")(?P<name>[^\'"]*)(\'\|")', re.I)
	cont1=re.compile(r'(?P<line>.)&\s\Z')
	cont2=re.compile(r'(\s&\|)(?P<line>.)')
	mline_mark = re.compile(r".*?'''")
	if istop: dowithline('', -1)
	ll, l1='', ''
	spacedigits=[' '] + [str(_m) for _m in range(10)]
	filepositiontext=''
	fin=fileinput.FileInput(ffile)
	while True:
	l=fin.readline()
	if not l: break
	if fin.isfirstline():
	filepositiontext=''
	currentfilename=fin.filename()
	gotnextfile=1
	l1=l
	strictf77=0
	sourcecodeform='fix'
	ext = os.path.splitext(currentfilename)[1]
	if is_f_file(currentfilename) and \
	not (_has_f90_header(l) or _has_fix_header(l)):
	strictf77=1
	elif is_free_format(currentfilename) and not _has_fix_header(l):
	sourcecodeform='free'
	if strictf77: beginpattern=beginpattern77
	else: beginpattern=beginpattern90
	outmess('\tReading file %s (format:%s%s)\n'\
	%(repr(currentfilename), sourcecodeform,
	strictf77 and ',strict' or ''))

	l=l.expandtabs().replace('\xa0', ' ')
	while not l=='': # Get rid of newline characters
	if l[-1] not in "\n\r\f": break
	l=l[:-1]
	if not strictf77:
	r=commentline.match(l)
	if r:
	l=r.group('line')+' ' # Strip comments starting with `!'
	rl=r.group('rest')
	if rl[:4].lower()=='f2py': # f2py directive
	l = l + 4*' '
	r=commentline.match(rl[4:])
	if r: l=l+r.group('line')
	else: l = l + rl[4:]
	if l.strip()=='': # Skip empty line
	cont=0
	continue
	if sourcecodeform=='fix':
	if l[0] in ['*', 'c', '!', 'C', '#']:
	if l[1:5].lower()=='f2py': # f2py directive
	l=' '+l[5:]
	else: # Skip comment line
	cont=0
	continue
	elif strictf77:
	if len(l)>72: l=l[:72]
	if not (l[0] in spacedigits):
	raise Exception('readfortrancode: Found non-(space,digit) char '
	'in the first column.\n\tAre you sure that '
	'this code is in fix form?\n\tline=%s' % repr(l))

	if (not cont or strictf77) and (len(l)>5 and not l[5]==' '):
	# Continuation of a previous line
	ll=ll+l[6:]
	finalline=''
	origfinalline=''
	else:
	if not strictf77:
	# F90 continuation
	r=cont1.match(l)
	if r: l=r.group('line') # Continuation follows ..
	if cont:
	ll=ll+cont2.match(l).group('line')
	finalline=''
	origfinalline=''
	else:
	l=' '+l[5:] # clean up line beginning from possible digits.
	if localdolowercase: finalline=ll.lower()
	else: finalline=ll
	origfinalline=ll
	ll=l
	cont=(r is not None)
	else:
	l=' '+l[5:] # clean up line beginning from possible digits.
	if localdolowercase: finalline=ll.lower()
	else: finalline=ll
	origfinalline =ll
	ll=l

	elif sourcecodeform=='free':
	if not cont and ext=='.pyf' and mline_mark.match(l):
	l = l + '\n'
	while True:
	lc = fin.readline()
	if not lc:
	errmess('Unexpected end of file when reading multiline\n')
	break
	l = l + lc
	if mline_mark.match(lc):
	break
	l = l.rstrip()
	r=cont1.match(l)
	if r: l=r.group('line') # Continuation follows ..
	if cont:
	ll=ll+cont2.match(l).group('line')
	finalline=''
	origfinalline=''
	else:
	if localdolowercase: finalline=ll.lower()
	else: finalline=ll
	origfinalline =ll
	ll=l
	cont=(r is not None)
	else:
	raise ValueError("Flag sourcecodeform must be either 'fix' or 'free': %s"%repr(sourcecodeform))
	filepositiontext='Line #%d in %s:"%s"\n\t' % (fin.filelineno()-1, currentfilename, l1)
	m=includeline.match(origfinalline)
	if m:
	fn=m.group('name')
	if os.path.isfile(fn):
	readfortrancode(fn, dowithline=dowithline, istop=0)
	else:
	include_dirs = [os.path.dirname(currentfilename)] + include_paths
	foundfile = 0
	for inc_dir in include_dirs:
	fn1 = os.path.join(inc_dir, fn)
	if os.path.isfile(fn1):
	foundfile = 1
	readfortrancode(fn1, dowithline=dowithline, istop=0)
	break
	if not foundfile:
	outmess('readfortrancode: could not find include file %s in %s. Ignoring.\n'%(repr(fn), os.pathsep.join(include_dirs)))
	else:
	dowithline(finalline)
	l1=ll
	if localdolowercase:
	finalline=ll.lower()
	else: finalline=ll
	origfinalline = ll
	filepositiontext='Line #%d in %s:"%s"\n\t' % (fin.filelineno()-1, currentfilename, l1)
	m=includeline.match(origfinalline)
	if m:
	fn=m.group('name')
	if os.path.isfile(fn):
	readfortrancode(fn, dowithline=dowithline, istop=0)
	else:
	include_dirs = [os.path.dirname(currentfilename)] + include_paths
	foundfile = 0
	for inc_dir in include_dirs:
	fn1 = os.path.join(inc_dir, fn)
	if os.path.isfile(fn1):
	foundfile = 1
	readfortrancode(fn1, dowithline=dowithline, istop=0)
	break
	if not foundfile:
	outmess('readfortrancode: could not find include file %s in %s. Ignoring.\n'%(repr(fn), os.pathsep.join(include_dirs)))
	else:
	dowithline(finalline)
	filepositiontext=''
	fin.close()
	if istop: dowithline('', 1)
	else:
	gotnextfile, filepositiontext, currentfilename, sourcecodeform, strictf77,\
	beginpattern, quiet, verbose, dolowercase=saveglobals

	########### Crack line
	beforethisafter=r'\s(?P<before>%s(?=\s(\b(%s)\b)))'+ \
	r'\s*(?P<this>(\b(%s)\b))'+ \
	r'\s(?P<after>%s)\s\Z'
	##
	fortrantypes='character\|logical\|integer\|real\|complex\|double\s(precision\s(complex\|)\|complex)\|type(?=\s$[\w\s,=()]*$)\|byte'
	typespattern=re.compile(beforethisafter%('', fortrantypes, fortrantypes, '.*'), re.I), 'type'
	typespattern4implicit=re.compile(beforethisafter%('', fortrantypes+'\|static\|automatic\|undefined', fortrantypes+'\|static\|automatic\|undefined', '.*'), re.I)
	#
	functionpattern=re.compile(beforethisafter%('([a-z]+[\w\s(=+-/)]?\|)', 'function', 'function', '.*'), re.I), 'begin'
	subroutinepattern=re.compile(beforethisafter%('[a-z\s]?', 'subroutine', 'subroutine', '.'), re.I), 'begin'
	#modulepattern=re.compile(beforethisafter%('[a-z\s]?','module','module','.'),re.I),'begin'
	#
	groupbegins77=r'program\|block\s*data'
	beginpattern77=re.compile(beforethisafter%('', groupbegins77, groupbegins77, '.*'), re.I), 'begin'
	groupbegins90=groupbegins77+r'\|module(?!\sprocedure)\|python\smodule\|interface\|type(?!\s*\()'
	beginpattern90=re.compile(beforethisafter%('', groupbegins90, groupbegins90, '.*'), re.I), 'begin'
	groupends=r'end\|endprogram\|endblockdata\|endmodule\|endpythonmodule\|endinterface'
	endpattern=re.compile(beforethisafter%('', groupends, groupends, '[\w\s]*'), re.I), 'end'
	#endifs='end\s*(if\|do\|where\|select\|while\|forall)'
	endifs='(end\s(if\|do\|where\|select\|while\|forall))\|(module\sprocedure)'
	endifpattern=re.compile(beforethisafter%('[\w]?', endifs, endifs, '[\w\s]'), re.I), 'endif'
	#
	implicitpattern=re.compile(beforethisafter%('', 'implicit', 'implicit', '.*'), re.I), 'implicit'
	dimensionpattern=re.compile(beforethisafter%('', 'dimension\|virtual', 'dimension\|virtual', '.*'), re.I), 'dimension'
	externalpattern=re.compile(beforethisafter%('', 'external', 'external', '.*'), re.I), 'external'
	optionalpattern=re.compile(beforethisafter%('', 'optional', 'optional', '.*'), re.I), 'optional'
	requiredpattern=re.compile(beforethisafter%('', 'required', 'required', '.*'), re.I), 'required'
	publicpattern=re.compile(beforethisafter%('', 'public', 'public', '.*'), re.I), 'public'
	privatepattern=re.compile(beforethisafter%('', 'private', 'private', '.*'), re.I), 'private'
	intrisicpattern=re.compile(beforethisafter%('', 'intrisic', 'intrisic', '.*'), re.I), 'intrisic'
	intentpattern=re.compile(beforethisafter%('', 'intent\|depend\|note\|check', 'intent\|depend\|note\|check', '\s$.?$.*'), re.I), 'intent'
	parameterpattern=re.compile(beforethisafter%('', 'parameter', 'parameter', '\s\(.'), re.I), 'parameter'
	datapattern=re.compile(beforethisafter%('', 'data', 'data', '.*'), re.I), 'data'
	callpattern=re.compile(beforethisafter%('', 'call', 'call', '.*'), re.I), 'call'
	entrypattern=re.compile(beforethisafter%('', 'entry', 'entry', '.*'), re.I), 'entry'
	callfunpattern=re.compile(beforethisafter%('', 'callfun', 'callfun', '.*'), re.I), 'callfun'
	commonpattern=re.compile(beforethisafter%('', 'common', 'common', '.*'), re.I), 'common'
	usepattern=re.compile(beforethisafter%('', 'use', 'use', '.*'), re.I), 'use'
	containspattern=re.compile(beforethisafter%('', 'contains', 'contains', ''), re.I), 'contains'
	formatpattern=re.compile(beforethisafter%('', 'format', 'format', '.*'), re.I), 'format'
	## Non-fortran and f2py-specific statements
	f2pyenhancementspattern=re.compile(beforethisafter%('', 'threadsafe\|fortranname\|callstatement\|callprotoargument\|usercode\|pymethoddef', 'threadsafe\|fortranname\|callstatement\|callprotoargument\|usercode\|pymethoddef', '.*'), re.I\|re.S), 'f2pyenhancements'
	multilinepattern = re.compile(r"\s(?P<before>''')(?P<this>.?)(?P<after>''')\s*\Z", re.S), 'multiline'
	##

	def _simplifyargs(argsline):
	a = []
	for n in markoutercomma(argsline).split('@,@'):
	for r in '(),':
	n = n.replace(r, '_')
	a.append(n)
	return ','.join(a)

	crackline_re_1 = re.compile(r'\s(?P<result>\b[a-z]+[\w]\b)\s[=].', re.I)
	def crackline(line,reset=0):
	"""
	reset=-1 --- initialize
	reset=0 --- crack the line
	reset=1 --- final check if mismatch of blocks occured

	Cracked data is saved in grouplist[0].
	"""
	global beginpattern, groupcounter, groupname, groupcache, grouplist, gotnextfile,\
	filepositiontext, currentfilename, neededmodule, expectbegin, skipblocksuntil,\
	skipemptyends, previous_context
	if ';' in line and not (f2pyenhancementspattern[0].match(line) or
	multilinepattern[0].match(line)):
	for l in line.split(';'):
	assert reset==0, repr(reset) # XXX: non-zero reset values need testing
	crackline(l, reset)
	return
	if reset<0:
	groupcounter=0
	groupname={groupcounter:''}
	groupcache={groupcounter:{}}
	grouplist={groupcounter:[]}
	groupcache[groupcounter]['body']=[]
	groupcache[groupcounter]['vars']={}
	groupcache[groupcounter]['block']=''
	groupcache[groupcounter]['name']=''
	neededmodule=-1
	skipblocksuntil=-1
	return
	if reset>0:
	fl=0
	if f77modulename and neededmodule==groupcounter: fl=2
	while groupcounter>fl:
	outmess('crackline: groupcounter=%s groupname=%s\n'%(repr(groupcounter), repr(groupname)))
	outmess('crackline: Mismatch of blocks encountered. Trying to fix it by assuming "end" statement.\n')
	grouplist[groupcounter-1].append(groupcache[groupcounter])
	grouplist[groupcounter-1][-1]['body']=grouplist[groupcounter]
	del grouplist[groupcounter]
	groupcounter=groupcounter-1
	if f77modulename and neededmodule==groupcounter:
	grouplist[groupcounter-1].append(groupcache[groupcounter])
	grouplist[groupcounter-1][-1]['body']=grouplist[groupcounter]
	del grouplist[groupcounter]
	groupcounter=groupcounter-1 # end interface
	grouplist[groupcounter-1].append(groupcache[groupcounter])
	grouplist[groupcounter-1][-1]['body']=grouplist[groupcounter]
	del grouplist[groupcounter]
	groupcounter=groupcounter-1 # end module
	neededmodule=-1
	return
	if line=='': return
	flag=0
	for pat in [dimensionpattern, externalpattern, intentpattern, optionalpattern,
	requiredpattern,
	parameterpattern, datapattern, publicpattern, privatepattern,
	intrisicpattern,
	endifpattern, endpattern,
	formatpattern,
	beginpattern, functionpattern, subroutinepattern,
	implicitpattern, typespattern, commonpattern,
	callpattern, usepattern, containspattern,
	entrypattern,
	f2pyenhancementspattern,
	multilinepattern
	]:
	m = pat[0].match(line)
	if m:
	break
	flag=flag+1
	if not m:
	re_1 = crackline_re_1
	if 0<=skipblocksuntil<=groupcounter:return
	if 'externals' in groupcache[groupcounter]:
	for name in groupcache[groupcounter]['externals']:
	if name in invbadnames:
	name=invbadnames[name]
	if 'interfaced' in groupcache[groupcounter] and name in groupcache[groupcounter]['interfaced']:
	continue
	m1=re.match(r'(?P<before>[^"])\b%s\b\s@$@(?P<args>[^@])@$@.\Z'%name, markouterparen(line), re.I)
	if m1:
	m2 = re_1.match(m1.group('before'))
	a = _simplifyargs(m1.group('args'))
	if m2:
	line='callfun %s(%s) result (%s)'%(name, a, m2.group('result'))
	else: line='callfun %s(%s)'%(name, a)
	m = callfunpattern[0].match(line)
	if not m:
	outmess('crackline: could not resolve function call for line=%s.\n'%repr(line))
	return
	analyzeline(m, 'callfun', line)
	return
	if verbose>1 or (verbose==1 and currentfilename.lower().endswith('.pyf')):
	previous_context = None
	outmess('crackline:%d: No pattern for line\n'%(groupcounter))
	return
	elif pat[1]=='end':
	if 0<=skipblocksuntil<groupcounter:
	groupcounter=groupcounter-1
	if skipblocksuntil<=groupcounter: return
	if groupcounter<=0:
	raise Exception('crackline: groupcounter(=%s) is nonpositive. '
	'Check the blocks.' \
	% (groupcounter))
	m1 = beginpattern[0].match((line))
	if (m1) and (not m1.group('this')==groupname[groupcounter]):
	raise Exception('crackline: End group %s does not match with '
	'previous Begin group %s\n\t%s' % \
	(repr(m1.group('this')), repr(groupname[groupcounter]),
	filepositiontext)
	)
	if skipblocksuntil==groupcounter:
	skipblocksuntil=-1
	grouplist[groupcounter-1].append(groupcache[groupcounter])
	grouplist[groupcounter-1][-1]['body']=grouplist[groupcounter]
	del grouplist[groupcounter]
	groupcounter=groupcounter-1
	if not skipemptyends:
	expectbegin=1
	elif pat[1] == 'begin':
	if 0<=skipblocksuntil<=groupcounter:
	groupcounter=groupcounter+1
	return
	gotnextfile=0
	analyzeline(m, pat[1], line)
	expectbegin=0
	elif pat[1]=='endif':
	pass
	elif pat[1]=='contains':
	if ignorecontains: return
	if 0<=skipblocksuntil<=groupcounter: return
	skipblocksuntil=groupcounter
	else:
	if 0<=skipblocksuntil<=groupcounter:return
	analyzeline(m, pat[1], line)

	def markouterparen(line):
	l='';f=0
	for c in line:
	if c=='(':
	f=f+1
	if f==1: l=l+'@(@'; continue
	elif c==')':
	f=f-1
	if f==0: l=l+'@)@'; continue
	l=l+c
	return l
	def markoutercomma(line,comma=','):
	l='';f=0
	cc=''
	for c in line:
	if (not cc or cc==')') and c=='(':
	f=f+1
	cc = ')'
	elif not cc and c=='\'' and (not l or l[-1]!='\\'):
	f=f+1
	cc = '\''
	elif c==cc:
	f=f-1
	if f==0:
	cc=''
	elif c==comma and f==0:
	l=l+'@'+comma+'@'
	continue
	l=l+c
	assert not f, repr((f, line, l, cc))
	return l
	def unmarkouterparen(line):
	r = line.replace('@(@', '(').replace('@)@', ')')
	return r
	def appenddecl(decl,decl2,force=1):
	if not decl: decl={}
	if not decl2: return decl
	if decl is decl2: return decl
	for k in list(decl2.keys()):
	if k=='typespec':
	if force or k not in decl:
	decl[k]=decl2[k]
	elif k=='attrspec':
	for l in decl2[k]:
	decl=setattrspec(decl, l, force)
	elif k=='kindselector':
	decl=setkindselector(decl, decl2[k], force)
	elif k=='charselector':
	decl=setcharselector(decl, decl2[k], force)
	elif k in ['=', 'typename']:
	if force or k not in decl:
	decl[k]=decl2[k]
	elif k=='note':
	pass
	elif k in ['intent', 'check', 'dimension', 'optional', 'required']:
	errmess('appenddecl: "%s" not implemented.\n'%k)
	else:
	raise Exception('appenddecl: Unknown variable definition key:' + \
	str(k))
	return decl

	selectpattern=re.compile(r'\s(?P<this>(@$@.?@$@\|[][\d]+\|[]\s@$@.?@$@\|))(?P<after>.)\Z', re.I)
	nameargspattern=re.compile(r'\s(?P<name>\b[\w$]+\b)\s(@$@\s(?P<args>[\w\s,])\s@$@\|)\s((result(\s@$@\s(?P<result>\b[\w$]+\b)\s@$@\|))\|(bind\s@$@\s(?P<bind>.)\s@$@))\s*\Z', re.I)
	callnameargspattern=re.compile(r'\s(?P<name>\b[\w$]+\b)\s@$@\s(?P<args>.)\s@$@\s\Z', re.I)
	real16pattern = re.compile(r'([-+]?(?:\d+(?:\.\d)?\|\d\.\d+))[dD]((?:[-+]?\d+)?)')
	real8pattern = re.compile(r'([-+]?((?:\d+(?:\.\d)?\|\d\.\d+))[eE]((?:[-+]?\d+)?)\|(\d+\.\d*))')

	_intentcallbackpattern = re.compile(r'intent\s\(.?\bcallback\b', re.I)
	def _is_intent_callback(vdecl):
	for a in vdecl.get('attrspec', []):
	if _intentcallbackpattern.match(a):
	return 1
	return 0

	def _resolvenameargspattern(line):
	line = markouterparen(line)
	m1=nameargspattern.match(line)
	if m1:
	return m1.group('name'), m1.group('args'), m1.group('result'), m1.group('bind')
	m1=callnameargspattern.match(line)
	if m1:
	return m1.group('name'), m1.group('args'), None, None
	return None, [], None, None

	def analyzeline(m, case, line):
	global groupcounter, groupname, groupcache, grouplist, filepositiontext,\
	currentfilename, f77modulename, neededinterface, neededmodule, expectbegin,\
	gotnextfile, previous_context
	block=m.group('this')
	if case != 'multiline':
	previous_context = None
	if expectbegin and case not in ['begin', 'call', 'callfun', 'type'] \
	and not skipemptyends and groupcounter<1:
	newname=os.path.basename(currentfilename).split('.')[0]
	outmess('analyzeline: no group yet. Creating program group with name "%s".\n'%newname)
	gotnextfile=0
	groupcounter=groupcounter+1
	groupname[groupcounter]='program'
	groupcache[groupcounter]={}
	grouplist[groupcounter]=[]
	groupcache[groupcounter]['body']=[]
	groupcache[groupcounter]['vars']={}
	groupcache[groupcounter]['block']='program'
	groupcache[groupcounter]['name']=newname
	groupcache[groupcounter]['from']='fromsky'
	expectbegin=0
	if case in ['begin', 'call', 'callfun']:
	# Crack line => block,name,args,result
	block = block.lower()
	if re.match(r'block\s*data', block, re.I): block='block data'
	if re.match(r'python\s*module', block, re.I): block='python module'
	name, args, result, bind = _resolvenameargspattern(m.group('after'))
	if name is None:
	if block=='block data':
	name = '_BLOCK_DATA_'
	else:
	name = ''
	if block not in ['interface', 'block data']:
	outmess('analyzeline: No name/args pattern found for line.\n')

	previous_context = (block, name, groupcounter)
	if args: args=rmbadname([x.strip() for x in markoutercomma(args).split('@,@')])
	else: args=[]
	if '' in args:
	while '' in args:
	args.remove('')
	outmess('analyzeline: argument list is malformed (missing argument).\n')

	# end of crack line => block,name,args,result
	needmodule=0
	needinterface=0

	if case in ['call', 'callfun']:
	needinterface=1
	if 'args' not in groupcache[groupcounter]:
	return
	if name not in groupcache[groupcounter]['args']:
	return
	for it in grouplist[groupcounter]:
	if it['name']==name:
	return
	if name in groupcache[groupcounter]['interfaced']:
	return
	block={'call':'subroutine','callfun':'function'}[case]
	if f77modulename and neededmodule==-1 and groupcounter<=1:
	neededmodule=groupcounter+2
	needmodule=1
	if block != 'interface':
	needinterface=1
	# Create new block(s)
	groupcounter=groupcounter+1
	groupcache[groupcounter]={}
	grouplist[groupcounter]=[]
	if needmodule:
	if verbose>1:
	outmess('analyzeline: Creating module block %s\n'%repr(f77modulename), 0)
	groupname[groupcounter]='module'
	groupcache[groupcounter]['block']='python module'
	groupcache[groupcounter]['name']=f77modulename
	groupcache[groupcounter]['from']=''
	groupcache[groupcounter]['body']=[]
	groupcache[groupcounter]['externals']=[]
	groupcache[groupcounter]['interfaced']=[]
	groupcache[groupcounter]['vars']={}
	groupcounter=groupcounter+1
	groupcache[groupcounter]={}
	grouplist[groupcounter]=[]
	if needinterface:
	if verbose>1:
	outmess('analyzeline: Creating additional interface block (groupcounter=%s).\n' % (groupcounter), 0)
	groupname[groupcounter]='interface'
	groupcache[groupcounter]['block']='interface'
	groupcache[groupcounter]['name']='unknown_interface'
	groupcache[groupcounter]['from']='%s:%s'%(groupcache[groupcounter-1]['from'], groupcache[groupcounter-1]['name'])
	groupcache[groupcounter]['body']=[]
	groupcache[groupcounter]['externals']=[]
	groupcache[groupcounter]['interfaced']=[]
	groupcache[groupcounter]['vars']={}
	groupcounter=groupcounter+1
	groupcache[groupcounter]={}
	grouplist[groupcounter]=[]
	groupname[groupcounter]=block
	groupcache[groupcounter]['block']=block
	if not name: name='unknown_'+block
	groupcache[groupcounter]['prefix']=m.group('before')
	groupcache[groupcounter]['name']=rmbadname1(name)
	groupcache[groupcounter]['result']=result
	if groupcounter==1:
	groupcache[groupcounter]['from']=currentfilename
	else:
	if f77modulename and groupcounter==3:
	groupcache[groupcounter]['from']='%s:%s'%(groupcache[groupcounter-1]['from'], currentfilename)
	else:
	groupcache[groupcounter]['from']='%s:%s'%(groupcache[groupcounter-1]['from'], groupcache[groupcounter-1]['name'])
	for k in list(groupcache[groupcounter].keys()):
	if not groupcache[groupcounter][k]:
	del groupcache[groupcounter][k]

	groupcache[groupcounter]['args']=args
	groupcache[groupcounter]['body']=[]
	groupcache[groupcounter]['externals']=[]
	groupcache[groupcounter]['interfaced']=[]
	groupcache[groupcounter]['vars']={}
	groupcache[groupcounter]['entry']={}
	# end of creation
	if block=='type':
	groupcache[groupcounter]['varnames'] = []

	if case in ['call', 'callfun']: # set parents variables
	if name not in groupcache[groupcounter-2]['externals']:
	groupcache[groupcounter-2]['externals'].append(name)
	groupcache[groupcounter]['vars']=copy.deepcopy(groupcache[groupcounter-2]['vars'])
	#try: del groupcache[groupcounter]['vars'][groupcache[groupcounter-2]['name']]
	#except: pass
	try: del groupcache[groupcounter]['vars'][name][groupcache[groupcounter]['vars'][name]['attrspec'].index('external')]
	except: pass
	if block in ['function', 'subroutine']: # set global attributes
	try: groupcache[groupcounter]['vars'][name]=appenddecl(groupcache[groupcounter]['vars'][name], groupcache[groupcounter-2]['vars'][''])
	except: pass
	if case=='callfun': # return type
	if result and result in groupcache[groupcounter]['vars']:
	if not name==result:
	groupcache[groupcounter]['vars'][name]=appenddecl(groupcache[groupcounter]['vars'][name], groupcache[groupcounter]['vars'][result])
	#if groupcounter>1: # name is interfaced
	try: groupcache[groupcounter-2]['interfaced'].append(name)
	except: pass
	if block=='function':
	t=typespattern[0].match(m.group('before')+' '+name)
	if t:
	typespec, selector, attr, edecl=cracktypespec0(t.group('this'), t.group('after'))
	updatevars(typespec, selector, attr, edecl)

	if case in ['call', 'callfun']:
	grouplist[groupcounter-1].append(groupcache[groupcounter])
	grouplist[groupcounter-1][-1]['body']=grouplist[groupcounter]
	del grouplist[groupcounter]
	groupcounter=groupcounter-1 # end routine
	grouplist[groupcounter-1].append(groupcache[groupcounter])
	grouplist[groupcounter-1][-1]['body']=grouplist[groupcounter]
	del grouplist[groupcounter]
	groupcounter=groupcounter-1 # end interface

	elif case=='entry':
	name, args, result, bind=_resolvenameargspattern(m.group('after'))
	if name is not None:
	if args:
	args=rmbadname([x.strip() for x in markoutercomma(args).split('@,@')])
	else: args=[]
	assert result is None, repr(result)
	groupcache[groupcounter]['entry'][name] = args
	previous_context = ('entry', name, groupcounter)
	elif case=='type':
	typespec, selector, attr, edecl=cracktypespec0(block, m.group('after'))
	last_name = updatevars(typespec, selector, attr, edecl)
	if last_name is not None:
	previous_context = ('variable', last_name, groupcounter)
	elif case in ['dimension', 'intent', 'optional', 'required', 'external', 'public', 'private', 'intrisic']:
	edecl=groupcache[groupcounter]['vars']
	ll=m.group('after').strip()
	i=ll.find('::')
	if i<0 and case=='intent':
	i=markouterparen(ll).find('@)@')-2
	ll=ll[:i+1]+'::'+ll[i+1:]
	i=ll.find('::')
	if ll[i:]=='::' and 'args' in groupcache[groupcounter]:
	outmess('All arguments will have attribute %s%s\n'%(m.group('this'), ll[:i]))
	ll = ll + ','.join(groupcache[groupcounter]['args'])
	if i<0:i=0;pl=''
	else: pl=ll[:i].strip();ll=ll[i+2:]
	ch = markoutercomma(pl).split('@,@')
	if len(ch)>1:
	pl = ch[0]
	outmess('analyzeline: cannot handle multiple attributes without type specification. Ignoring %r.\n' % (','.join(ch[1:])))
	last_name = None

	for e in [x.strip() for x in markoutercomma(ll).split('@,@')]:
	m1=namepattern.match(e)
	if not m1:
	if case in ['public', 'private']: k=''
	else:
	print(m.groupdict())
	outmess('analyzeline: no name pattern found in %s statement for %s. Skipping.\n'%(case, repr(e)))
	continue
	else:
	k=rmbadname1(m1.group('name'))
	if k not in edecl:
	edecl[k]={}
	if case=='dimension':
	ap=case+m1.group('after')
	if case=='intent':
	ap=m.group('this')+pl
	if _intentcallbackpattern.match(ap):
	if k not in groupcache[groupcounter]['args']:
	if groupcounter>1:
	if '__user__' not in groupcache[groupcounter-2]['name']:
	outmess('analyzeline: missing __user__ module (could be nothing)\n')
	if k!=groupcache[groupcounter]['name']: # fixes ticket 1693
	outmess('analyzeline: appending intent(callback) %s'\
	' to %s arguments\n' % (k, groupcache[groupcounter]['name']))
	groupcache[groupcounter]['args'].append(k)
	else:
	errmess('analyzeline: intent(callback) %s is ignored' % (k))
	else:
	errmess('analyzeline: intent(callback) %s is already'\
	' in argument list' % (k))
	if case in ['optional', 'required', 'public', 'external', 'private', 'intrisic']:
	ap=case
	if 'attrspec' in edecl[k]:
	edecl[k]['attrspec'].append(ap)
	else:
	edecl[k]['attrspec']=[ap]
	if case=='external':
	if groupcache[groupcounter]['block']=='program':
	outmess('analyzeline: ignoring program arguments\n')
	continue
	if k not in groupcache[groupcounter]['args']:
	#outmess('analyzeline: ignoring external %s (not in arguments list)\n'%(`k`))
	continue
	if 'externals' not in groupcache[groupcounter]:
	groupcache[groupcounter]['externals']=[]
	groupcache[groupcounter]['externals'].append(k)
	last_name = k
	groupcache[groupcounter]['vars']=edecl
	if last_name is not None:
	previous_context = ('variable', last_name, groupcounter)
	elif case=='parameter':
	edecl=groupcache[groupcounter]['vars']
	ll=m.group('after').strip()[1:-1]
	last_name = None
	for e in markoutercomma(ll).split('@,@'):
	try:
	k, initexpr=[x.strip() for x in e.split('=')]
	except:
	outmess('analyzeline: could not extract name,expr in parameter statement "%s" of "%s"\n'%(e, ll));continue
	params = get_parameters(edecl)
	k=rmbadname1(k)
	if k not in edecl:
	edecl[k]={}
	if '=' in edecl[k] and (not edecl[k]['=']==initexpr):
	outmess('analyzeline: Overwriting the value of parameter "%s" ("%s") with "%s".\n'%(k, edecl[k]['='], initexpr))
	t = determineexprtype(initexpr, params)
	if t:
	if t.get('typespec')=='real':
	tt = list(initexpr)
	for m in real16pattern.finditer(initexpr):
	tt[m.start():m.end()] = list(\
	initexpr[m.start():m.end()].lower().replace('d', 'e'))
	initexpr = ''.join(tt)
	elif t.get('typespec')=='complex':
	initexpr = initexpr[1:].lower().replace('d', 'e').\
	replace(',', '+1j*(')
	try:
	v = eval(initexpr, {}, params)
	except (SyntaxError, NameError, TypeError) as msg:
	errmess('analyzeline: Failed to evaluate %r. Ignoring: %s\n'\
	% (initexpr, msg))
	continue
	edecl[k]['='] = repr(v)
	if 'attrspec' in edecl[k]:
	edecl[k]['attrspec'].append('parameter')
	else: edecl[k]['attrspec']=['parameter']
	last_name = k
	groupcache[groupcounter]['vars']=edecl
	if last_name is not None:
	previous_context = ('variable', last_name, groupcounter)
	elif case=='implicit':
	if m.group('after').strip().lower()=='none':
	groupcache[groupcounter]['implicit']=None
	elif m.group('after'):
	if 'implicit' in groupcache[groupcounter]:
	impl=groupcache[groupcounter]['implicit']
	else: impl={}
	if impl is None:
	outmess('analyzeline: Overwriting earlier "implicit none" statement.\n')
	impl={}
	for e in markoutercomma(m.group('after')).split('@,@'):
	decl={}
	m1=re.match(r'\s(?P<this>.?)\s($\s(?P<after>[a-z-, ]+)\s$\s\|)\Z', e, re.I)
	if not m1:
	outmess('analyzeline: could not extract info of implicit statement part "%s"\n'%(e));continue
	m2=typespattern4implicit.match(m1.group('this'))
	if not m2:
	outmess('analyzeline: could not extract types pattern of implicit statement part "%s"\n'%(e));continue
	typespec, selector, attr, edecl=cracktypespec0(m2.group('this'), m2.group('after'))
	kindselect, charselect, typename=cracktypespec(typespec, selector)
	decl['typespec']=typespec
	decl['kindselector']=kindselect
	decl['charselector']=charselect
	decl['typename']=typename
	for k in list(decl.keys()):
	if not decl[k]: del decl[k]
	for r in markoutercomma(m1.group('after')).split('@,@'):
	if '-' in r:
	try: begc, endc=[x.strip() for x in r.split('-')]
	except:
	outmess('analyzeline: expected "<char>-<char>" instead of "%s" in range list of implicit statement\n'%r);continue
	else: begc=endc=r.strip()
	if not len(begc)==len(endc)==1:
	outmess('analyzeline: expected "<char>-<char>" instead of "%s" in range list of implicit statement (2)\n'%r);continue
	for o in range(ord(begc), ord(endc)+1):
	impl[chr(o)]=decl
	groupcache[groupcounter]['implicit']=impl
	elif case=='data':
	ll=[]
	dl='';il='';f=0;fc=1;inp=0
	for c in m.group('after'):
	if not inp:
	if c=="'": fc=not fc
	if c=='/' and fc: f=f+1;continue
	if c=='(': inp = inp + 1
	elif c==')': inp = inp - 1
	if f==0: dl=dl+c
	elif f==1: il=il+c
	elif f==2:
	dl = dl.strip()
	if dl.startswith(','):
	dl = dl[1:].strip()
	ll.append([dl, il])
	dl=c;il='';f=0
	if f==2:
	dl = dl.strip()
	if dl.startswith(','):
	dl = dl[1:].strip()
	ll.append([dl, il])
	vars={}
	if 'vars' in groupcache[groupcounter]:
	vars=groupcache[groupcounter]['vars']
	last_name = None
	for l in ll:
	l=[x.strip() for x in l]
	if l[0][0]==',':l[0]=l[0][1:]
	if l[0][0]=='(':
	outmess('analyzeline: implied-DO list "%s" is not supported. Skipping.\n'%l[0])
	continue
	#if '(' in l[0]:
	# #outmess('analyzeline: ignoring this data statement.\n')
	# continue
	i=0;j=0;llen=len(l[1])
	for v in rmbadname([x.strip() for x in markoutercomma(l[0]).split('@,@')]):
	if v[0]=='(':
	outmess('analyzeline: implied-DO list "%s" is not supported. Skipping.\n'%v)
	# XXX: subsequent init expressions may get wrong values.
	# Ignoring since data statements are irrelevant for wrapping.
	continue
	fc=0
	while (i<llen) and (fc or not l[1][i]==','):
	if l[1][i]=="'": fc=not fc
	i=i+1
	i=i+1
	#v,l[1][j:i-1]=name,initvalue
	if v not in vars:
	vars[v]={}
	if '=' in vars[v] and not vars[v]['=']==l[1][j:i-1]:
	outmess('analyzeline: changing init expression of "%s" ("%s") to "%s"\n'%(v, vars[v]['='], l[1][j:i-1]))
	vars[v]['=']=l[1][j:i-1]
	j=i
	last_name = v
	groupcache[groupcounter]['vars']=vars
	if last_name is not None:
	previous_context = ('variable', last_name, groupcounter)
	elif case=='common':
	line=m.group('after').strip()
	if not line[0]=='/':line='//'+line
	cl=[]
	f=0;bn='';ol=''
	for c in line:
	if c=='/':f=f+1;continue
	if f>=3:
	bn = bn.strip()
	if not bn: bn='_BLNK_'
	cl.append([bn, ol])
	f=f-2;bn='';ol=''
	if f%2: bn=bn+c
	else: ol=ol+c
	bn = bn.strip()
	if not bn: bn='_BLNK_'
	cl.append([bn, ol])
	commonkey={}
	if 'common' in groupcache[groupcounter]:
	commonkey=groupcache[groupcounter]['common']
	for c in cl:
	if c[0] in commonkey:
	outmess('analyzeline: previously defined common block encountered. Skipping.\n')
	continue
	commonkey[c[0]]=[]
	for i in [x.strip() for x in markoutercomma(c[1]).split('@,@')]:
	if i: commonkey[c[0]].append(i)
	groupcache[groupcounter]['common']=commonkey
	previous_context = ('common', bn, groupcounter)
	elif case=='use':
	m1=re.match(r'\A\s(?P<name>\b[\w]+\b)\s((,(\s\bonly\b\s:\|(?P<notonly>))\s(?P<list>.))\|)\s*\Z', m.group('after'), re.I)
	if m1:
	mm=m1.groupdict()
	if 'use' not in groupcache[groupcounter]:
	groupcache[groupcounter]['use']={}
	name=m1.group('name')
	groupcache[groupcounter]['use'][name]={}
	isonly=0
	if 'list' in mm and mm['list'] is not None:
	if 'notonly' in mm and mm['notonly'] is None:
	isonly=1
	groupcache[groupcounter]['use'][name]['only']=isonly
	ll=[x.strip() for x in mm['list'].split(',')]
	rl={}
	for l in ll:
	if '=' in l:
	m2=re.match(r'\A\s(?P<local>\b[\w]+\b)\s=\s>\s(?P<use>\b[\w]+\b)\s*\Z', l, re.I)
	if m2: rl[m2.group('local').strip()]=m2.group('use').strip()
	else:
	outmess('analyzeline: Not local=>use pattern found in %s\n'%repr(l))
	else:
	rl[l]=l
	groupcache[groupcounter]['use'][name]['map']=rl
	else:
	pass
	else:
	print(m.groupdict())
	outmess('analyzeline: Could not crack the use statement.\n')
	elif case in ['f2pyenhancements']:
	if 'f2pyenhancements' not in groupcache[groupcounter]:
	groupcache[groupcounter]['f2pyenhancements'] = {}
	d = groupcache[groupcounter]['f2pyenhancements']
	if m.group('this')=='usercode' and 'usercode' in d:
	if isinstance(d['usercode'], str):
	d['usercode'] = [d['usercode']]
	d['usercode'].append(m.group('after'))
	else:
	d[m.group('this')] = m.group('after')
	elif case=='multiline':
	if previous_context is None:
	if verbose:
	outmess('analyzeline: No context for multiline block.\n')
	return
	gc = groupcounter
	#gc = previous_context[2]
	appendmultiline(groupcache[gc],
	previous_context[:2],
	m.group('this'))
	else:
	if verbose>1:
	print(m.groupdict())
	outmess('analyzeline: No code implemented for line.\n')

	def appendmultiline(group, context_name, ml):
	if 'f2pymultilines' not in group:
	group['f2pymultilines'] = {}
	d = group['f2pymultilines']
	if context_name not in d:
	d[context_name] = []
	d[context_name].append(ml)
	return

	def cracktypespec0(typespec, ll):
	selector=None
	attr=None
	if re.match(r'double\s*complex', typespec, re.I): typespec='double complex'
	elif re.match(r'double\s*precision', typespec, re.I): typespec='double precision'
	else: typespec=typespec.strip().lower()
	m1=selectpattern.match(markouterparen(ll))
	if not m1:
	outmess('cracktypespec0: no kind/char_selector pattern found for line.\n')
	return
	d=m1.groupdict()
	for k in list(d.keys()): d[k]=unmarkouterparen(d[k])
	if typespec in ['complex', 'integer', 'logical', 'real', 'character', 'type']:
	selector=d['this']
	ll=d['after']
	i=ll.find('::')
	if i>=0:
	attr=ll[:i].strip()
	ll=ll[i+2:]
	return typespec, selector, attr, ll
	#####
	namepattern=re.compile(r'\s(?P<name>\b[\w]+\b)\s(?P<after>.)\s\Z', re.I)
	kindselector=re.compile(r'\s($\s(kind\s=)?\s(?P<kind>.)\s$\|[]\s(?P<kind2>.?))\s\Z', re.I)
	charselector=re.compile(r'\s($(?P<lenkind>.)$\|[]\s(?P<charlen>.))\s\Z', re.I)
	lenkindpattern=re.compile(r'\s(kind\s=\s(?P<kind>.?)\s(@,@\slen\s=\s(?P<len>.)\|)\|(len\s=\s\|)(?P<len2>.?)\s(@,@\s(kind\s=\s\|)(?P<kind2>.)\|))\s\Z', re.I)
	lenarraypattern=re.compile(r'\s(@$@\s(?!/)\s(?P<array>.?)\s@$@\s[]\s(?P<len>.?)\|([]\s(?P<len2>.?)\|)\s(@$@\s(?!/)\s(?P<array2>.?)\s@$@\|))\s(=\s(?P<init>.?)\|(@$@\|)/\s(?P<init2>.?)\s/(@$@\|)\|)\s\Z', re.I)
	def removespaces(expr):
	expr=expr.strip()
	if len(expr)<=1: return expr
	expr2=expr[0]
	for i in range(1, len(expr)-1):
	if expr[i]==' ' and \
	((expr[i+1] in "()[]{}=+-/* ") or (expr[i-1] in "()[]{}=+-/* ")): continue
	expr2=expr2+expr[i]
	expr2=expr2+expr[-1]
	return expr2
	def markinnerspaces(line):
	l='';f=0
	cc='\''
	cc1='"'
	cb=''
	for c in line:
	if cb=='\\' and c in ['\\', '\'', '"']:
	l=l+c;
	cb=c
	continue
	if f==0 and c in ['\'', '"']: cc=c; cc1={'\'':'"','"':'\''}[c]
	if c==cc:f=f+1
	elif c==cc:f=f-1
	elif c==' ' and f==1: l=l+'@_@'; continue
	l=l+c;cb=c
	return l
	def updatevars(typespec, selector, attrspec, entitydecl):
	global groupcache, groupcounter
	last_name = None
	kindselect, charselect, typename=cracktypespec(typespec, selector)
	if attrspec:
	attrspec=[x.strip() for x in markoutercomma(attrspec).split('@,@')]
	l = []
	c = re.compile(r'(?P<start>[a-zA-Z]+)')
	for a in attrspec:
	if not a:
	continue
	m = c.match(a)
	if m:
	s = m.group('start').lower()
	a = s + a[len(s):]
	l.append(a)
	attrspec = l
	el=[x.strip() for x in markoutercomma(entitydecl).split('@,@')]
	el1=[]
	for e in el:
	for e1 in [x.strip() for x in markoutercomma(removespaces(markinnerspaces(e)), comma=' ').split('@ @')]:
	if e1: el1.append(e1.replace('@_@', ' '))
	for e in el1:
	m=namepattern.match(e)
	if not m:
	outmess('updatevars: no name pattern found for entity=%s. Skipping.\n'%(repr(e)))
	continue
	ename=rmbadname1(m.group('name'))
	edecl={}
	if ename in groupcache[groupcounter]['vars']:
	edecl=groupcache[groupcounter]['vars'][ename].copy()
	not_has_typespec = 'typespec' not in edecl
	if not_has_typespec:
	edecl['typespec']=typespec
	elif typespec and (not typespec==edecl['typespec']):
	outmess('updatevars: attempt to change the type of "%s" ("%s") to "%s". Ignoring.\n' % (ename, edecl['typespec'], typespec))
	if 'kindselector' not in edecl:
	edecl['kindselector']=copy.copy(kindselect)
	elif kindselect:
	for k in list(kindselect.keys()):
	if k in edecl['kindselector'] and (not kindselect[k]==edecl['kindselector'][k]):
	outmess('updatevars: attempt to change the kindselector "%s" of "%s" ("%s") to "%s". Ignoring.\n' % (k, ename, edecl['kindselector'][k], kindselect[k]))
	else: edecl['kindselector'][k]=copy.copy(kindselect[k])
	if 'charselector' not in edecl and charselect:
	if not_has_typespec:
	edecl['charselector']=charselect
	else:
	errmess('updatevars:%s: attempt to change empty charselector to %r. Ignoring.\n' \
	%(ename, charselect))
	elif charselect:
	for k in list(charselect.keys()):
	if k in edecl['charselector'] and (not charselect[k]==edecl['charselector'][k]):
	outmess('updatevars: attempt to change the charselector "%s" of "%s" ("%s") to "%s". Ignoring.\n' % (k, ename, edecl['charselector'][k], charselect[k]))
	else: edecl['charselector'][k]=copy.copy(charselect[k])
	if 'typename' not in edecl:
	edecl['typename']=typename
	elif typename and (not edecl['typename']==typename):
	outmess('updatevars: attempt to change the typename of "%s" ("%s") to "%s". Ignoring.\n' % (ename, edecl['typename'], typename))
	if 'attrspec' not in edecl:
	edecl['attrspec']=copy.copy(attrspec)
	elif attrspec:
	for a in attrspec:
	if a not in edecl['attrspec']:
	edecl['attrspec'].append(a)
	else:
	edecl['typespec']=copy.copy(typespec)
	edecl['kindselector']=copy.copy(kindselect)
	edecl['charselector']=copy.copy(charselect)
	edecl['typename']=typename
	edecl['attrspec']=copy.copy(attrspec)
	if m.group('after'):
	m1=lenarraypattern.match(markouterparen(m.group('after')))
	if m1:
	d1=m1.groupdict()
	for lk in ['len', 'array', 'init']:
	if d1[lk+'2'] is not None: d1[lk]=d1[lk+'2']; del d1[lk+'2']
	for k in list(d1.keys()):
	if d1[k] is not None: d1[k]=unmarkouterparen(d1[k])
	else: del d1[k]
	if 'len' in d1 and 'array' in d1:
	if d1['len']=='':
	d1['len']=d1['array']
	del d1['array']
	else:
	d1['array']=d1['array']+','+d1['len']
	del d1['len']
	errmess('updatevars: "%s %s" is mapped to "%s %s(%s)"\n'%(typespec, e, typespec, ename, d1['array']))
	if 'array' in d1:
	dm = 'dimension(%s)'%d1['array']
	if 'attrspec' not in edecl or (not edecl['attrspec']):
	edecl['attrspec']=[dm]
	else:
	edecl['attrspec'].append(dm)
	for dm1 in edecl['attrspec']:
	if dm1[:9]=='dimension' and dm1!=dm:
	del edecl['attrspec'][-1]
	errmess('updatevars:%s: attempt to change %r to %r. Ignoring.\n' \
	% (ename, dm1, dm))
	break

	if 'len' in d1:
	if typespec in ['complex', 'integer', 'logical', 'real']:
	if ('kindselector' not in edecl) or (not edecl['kindselector']):
	edecl['kindselector']={}
	edecl['kindselector']['*']=d1['len']
	elif typespec == 'character':
	if ('charselector' not in edecl) or (not edecl['charselector']):
	edecl['charselector']={}
	if 'len' in edecl['charselector']:
	del edecl['charselector']['len']
	edecl['charselector']['*']=d1['len']
	if 'init' in d1:
	if '=' in edecl and (not edecl['=']==d1['init']):
	outmess('updatevars: attempt to change the init expression of "%s" ("%s") to "%s". Ignoring.\n' % (ename, edecl['='], d1['init']))
	else:
	edecl['=']=d1['init']
	else:
	outmess('updatevars: could not crack entity declaration "%s". Ignoring.\n'%(ename+m.group('after')))
	for k in list(edecl.keys()):
	if not edecl[k]:
	del edecl[k]
	groupcache[groupcounter]['vars'][ename]=edecl
	if 'varnames' in groupcache[groupcounter]:
	groupcache[groupcounter]['varnames'].append(ename)
	last_name = ename
	return last_name

	def cracktypespec(typespec, selector):
	kindselect=None
	charselect=None
	typename=None
	if selector:
	if typespec in ['complex', 'integer', 'logical', 'real']:
	kindselect=kindselector.match(selector)
	if not kindselect:
	outmess('cracktypespec: no kindselector pattern found for %s\n'%(repr(selector)))
	return
	kindselect=kindselect.groupdict()
	kindselect['*']=kindselect['kind2']
	del kindselect['kind2']
	for k in list(kindselect.keys()):
	if not kindselect[k]: del kindselect[k]
	for k, i in list(kindselect.items()):
	kindselect[k] = rmbadname1(i)
	elif typespec=='character':
	charselect=charselector.match(selector)
	if not charselect:
	outmess('cracktypespec: no charselector pattern found for %s\n'%(repr(selector)))
	return
	charselect=charselect.groupdict()
	charselect['*']=charselect['charlen']
	del charselect['charlen']
	if charselect['lenkind']:
	lenkind=lenkindpattern.match(markoutercomma(charselect['lenkind']))
	lenkind=lenkind.groupdict()
	for lk in ['len', 'kind']:
	if lenkind[lk+'2']:
	lenkind[lk]=lenkind[lk+'2']
	charselect[lk]=lenkind[lk]
	del lenkind[lk+'2']
	del charselect['lenkind']
	for k in list(charselect.keys()):
	if not charselect[k]: del charselect[k]
	for k, i in list(charselect.items()):
	charselect[k] = rmbadname1(i)
	elif typespec=='type':
	typename=re.match(r'\s$\s(?P<name>\w+)\s*$', selector, re.I)
	if typename: typename=typename.group('name')
	else: outmess('cracktypespec: no typename found in %s\n'%(repr(typespec+selector)))
	else:
	outmess('cracktypespec: no selector used for %s\n'%(repr(selector)))
	return kindselect, charselect, typename
	######
	def setattrspec(decl,attr,force=0):
	if not decl:
	decl={}
	if not attr:
	return decl
	if 'attrspec' not in decl:
	decl['attrspec']=[attr]
	return decl
	if force: decl['attrspec'].append(attr)
	if attr in decl['attrspec']: return decl
	if attr=='static' and 'automatic' not in decl['attrspec']:
	decl['attrspec'].append(attr)
	elif attr=='automatic' and 'static' not in decl['attrspec']:
	decl['attrspec'].append(attr)
	elif attr=='public' and 'private' not in decl['attrspec']:
	decl['attrspec'].append(attr)
	elif attr=='private' and 'public' not in decl['attrspec']:
	decl['attrspec'].append(attr)
	else:
	decl['attrspec'].append(attr)
	return decl

	def setkindselector(decl,sel,force=0):
	if not decl:
	decl={}
	if not sel:
	return decl
	if 'kindselector' not in decl:
	decl['kindselector']=sel
	return decl
	for k in list(sel.keys()):
	if force or k not in decl['kindselector']:
	decl['kindselector'][k]=sel[k]
	return decl

	def setcharselector(decl,sel,force=0):
	if not decl:
	decl={}
	if not sel:
	return decl
	if 'charselector' not in decl:
	decl['charselector']=sel
	return decl
	for k in list(sel.keys()):
	if force or k not in decl['charselector']:
	decl['charselector'][k]=sel[k]
	return decl

	def getblockname(block,unknown='unknown'):
	if 'name' in block:
	return block['name']
	return unknown

	###### post processing

	def setmesstext(block):
	global filepositiontext
	try:
	filepositiontext='In: %s:%s\n'%(block['from'], block['name'])
	except:
	pass

	def get_usedict(block):
	usedict = {}
	if 'parent_block' in block:
	usedict = get_usedict(block['parent_block'])
	if 'use' in block:
	usedict.update(block['use'])
	return usedict

	def get_useparameters(block, param_map=None):
	global f90modulevars
	if param_map is None:
	param_map = {}
	usedict = get_usedict(block)
	if not usedict:
	return param_map
	for usename, mapping in list(usedict.items()):
	usename = usename.lower()
	if usename not in f90modulevars:
	outmess('get_useparameters: no module %s info used by %s\n' % (usename, block.get('name')))
	continue
	mvars = f90modulevars[usename]
	params = get_parameters(mvars)
	if not params:
	continue
	# XXX: apply mapping
	if mapping:
	errmess('get_useparameters: mapping for %s not impl.' % (mapping))
	for k, v in list(params.items()):
	if k in param_map:
	outmess('get_useparameters: overriding parameter %s with'\
	' value from module %s' % (repr(k), repr(usename)))
	param_map[k] = v

	return param_map

	def postcrack2(block,tab='',param_map=None):
	global f90modulevars
	if not f90modulevars:
	return block
	if isinstance(block, list):
	ret = []
	for g in block:
	g = postcrack2(g, tab=tab+'\t', param_map=param_map)
	ret.append(g)
	return ret
	setmesstext(block)
	outmess('%sBlock: %s\n'%(tab, block['name']), 0)

	if param_map is None:
	param_map = get_useparameters(block)

	if param_map is not None and 'vars' in block:
	vars = block['vars']
	for n in list(vars.keys()):
	var = vars[n]
	if 'kindselector' in var:
	kind = var['kindselector']
	if 'kind' in kind:
	val = kind['kind']
	if val in param_map:
	kind['kind'] = param_map[val]
	new_body = []
	for b in block['body']:
	b = postcrack2(b, tab=tab+'\t', param_map=param_map)
	new_body.append(b)
	block['body'] = new_body

	return block

	def postcrack(block,args=None,tab=''):
	"""
	TODO:
	function return values
	determine expression types if in argument list
	"""
	global usermodules, onlyfunctions
	if isinstance(block, list):
	gret=[]
	uret=[]
	for g in block:
	setmesstext(g)
	g=postcrack(g, tab=tab+'\t')
	if 'name' in g and '__user__' in g['name']: # sort user routines to appear first
	uret.append(g)
	else:
	gret.append(g)
	return uret+gret
	setmesstext(block)
	if not isinstance(block, dict) and 'block' not in block:
	raise Exception('postcrack: Expected block dictionary instead of ' + \
	str(block))
	if 'name' in block and not block['name']=='unknown_interface':
	outmess('%sBlock: %s\n'%(tab, block['name']), 0)
	blocktype=block['block']
	block=analyzeargs(block)
	block=analyzecommon(block)
	block['vars']=analyzevars(block)
	block['sortvars']=sortvarnames(block['vars'])
	if 'args' in block and block['args']:
	args=block['args']
	block['body']=analyzebody(block, args, tab=tab)

	userisdefined=[]
	## fromuser = []
	if 'use' in block:
	useblock=block['use']
	for k in list(useblock.keys()):
	if '__user__' in k:
	userisdefined.append(k)
	## if 'map' in useblock[k]:
	## for n in useblock[k]['map'].itervalues():
	## if n not in fromuser: fromuser.append(n)
	else: useblock={}
	name=''
	if 'name' in block:
	name=block['name']
	if 'externals' in block and block['externals']:# and not userisdefined: # Build a __user__ module
	interfaced=[]
	if 'interfaced' in block:
	interfaced=block['interfaced']
	mvars=copy.copy(block['vars'])
	if name:
	mname=name+'__user__routines'
	else:
	mname='unknown__user__routines'
	if mname in userisdefined:
	i=1
	while '%s_%i'%(mname, i) in userisdefined: i=i+1
	mname='%s_%i'%(mname, i)
	interface={'block':'interface','body':[],'vars':{},'name':name+'_user_interface'}
	for e in block['externals']:
	## if e in fromuser:
	## outmess(' Skipping %s that is defined explicitly in another use statement\n'%(`e`))
	## continue
	if e in interfaced:
	edef=[]
	j=-1
	for b in block['body']:
	j=j+1
	if b['block']=='interface':
	i=-1
	for bb in b['body']:
	i=i+1
	if 'name' in bb and bb['name']==e:
	edef=copy.copy(bb)
	del b['body'][i]
	break
	if edef:
	if not b['body']: del block['body'][j]
	del interfaced[interfaced.index(e)]
	break
	interface['body'].append(edef)
	else:
	if e in mvars and not isexternal(mvars[e]):
	interface['vars'][e]=mvars[e]
	if interface['vars'] or interface['body']:
	block['interfaced']=interfaced
	mblock={'block':'python module','body':[interface],'vars':{},'name':mname,'interfaced':block['externals']}
	useblock[mname]={}
	usermodules.append(mblock)
	if useblock:
	block['use']=useblock
	return block

	def sortvarnames(vars):
	indep = []
	dep = []
	for v in list(vars.keys()):
	if 'depend' in vars[v] and vars[v]['depend']:
	dep.append(v)
	#print '%s depends on %s'%(v,vars[v]['depend'])
	else: indep.append(v)
	n = len(dep)
	i = 0
	while dep: #XXX: How to catch dependence cycles correctly?
	v = dep[0]
	fl = 0
	for w in dep[1:]:
	if w in vars[v]['depend']:
	fl = 1
	break
	if fl:
	dep = dep[1:]+[v]
	i = i + 1
	if i>n:
	errmess('sortvarnames: failed to compute dependencies because'
	' of cyclic dependencies between '
	+', '.join(dep)+'\n')
	indep = indep + dep
	break
	else:
	indep.append(v)
	dep = dep[1:]
	n = len(dep)
	i = 0
	#print indep
	return indep

	def analyzecommon(block):
	if not hascommon(block): return block
	commonvars=[]
	for k in list(block['common'].keys()):
	comvars=[]
	for e in block['common'][k]:
	m=re.match(r'\A\s\b(?P<name>.?)\b\s($(?P<dims>.?)$\|)\s*\Z', e, re.I)
	if m:
	dims=[]
	if m.group('dims'):
	dims=[x.strip() for x in markoutercomma(m.group('dims')).split('@,@')]
	n=m.group('name').strip()
	if n in block['vars']:
	if 'attrspec' in block['vars'][n]:
	block['vars'][n]['attrspec'].append('dimension(%s)'%(','.join(dims)))
	else:
	block['vars'][n]['attrspec']=['dimension(%s)'%(','.join(dims))]
	else:
	if dims:
	block['vars'][n]={'attrspec':['dimension(%s)'%(','.join(dims))]}
	else: block['vars'][n]={}
	if n not in commonvars: commonvars.append(n)
	else:
	n=e
	errmess('analyzecommon: failed to extract "<name>[(<dims>)]" from "%s" in common /%s/.\n'%(e, k))
	comvars.append(n)
	block['common'][k]=comvars
	if 'commonvars' not in block:
	block['commonvars']=commonvars
	else:
	block['commonvars']=block['commonvars']+commonvars
	return block

	def analyzebody(block,args,tab=''):
	global usermodules, skipfuncs, onlyfuncs, f90modulevars
	setmesstext(block)
	body=[]
	for b in block['body']:
	b['parent_block'] = block
	if b['block'] in ['function', 'subroutine']:
	if args is not None and b['name'] not in args:
	continue
	else:
	as_=b['args']
	if b['name'] in skipfuncs:
	continue
	if onlyfuncs and b['name'] not in onlyfuncs:
	continue
	b['saved_interface'] = crack2fortrangen(b, '\n'+' '*6, as_interface=True)

	else: as_=args
	b=postcrack(b, as_, tab=tab+'\t')
	if b['block']=='interface' and not b['body']:
	if 'f2pyenhancements' not in b:
	continue
	if b['block'].replace(' ', '')=='pythonmodule':
	usermodules.append(b)
	else:
	if b['block']=='module':
	f90modulevars[b['name']] = b['vars']
	body.append(b)
	return body

	def buildimplicitrules(block):
	setmesstext(block)
	implicitrules=defaultimplicitrules
	attrrules={}
	if 'implicit' in block:
	if block['implicit'] is None:
	implicitrules=None
	if verbose>1:
	outmess('buildimplicitrules: no implicit rules for routine %s.\n'%repr(block['name']))
	else:
	for k in list(block['implicit'].keys()):
	if block['implicit'][k].get('typespec') not in ['static', 'automatic']:
	implicitrules[k]=block['implicit'][k]
	else:
	attrrules[k]=block['implicit'][k]['typespec']
	return implicitrules, attrrules

	def myeval(e,g=None,l=None):
	r = eval(e, g, l)
	if type(r) in [type(0), type(0.0)]:
	return r
	raise ValueError('r=%r' % (r))

	getlincoef_re_1 = re.compile(r'\A\b\w+\b\Z', re.I)
	def getlincoef(e, xset): # e = a*x+b ; x in xset
	try:
	c = int(myeval(e, {}, {}))
	return 0, c, None
	except: pass
	if getlincoef_re_1.match(e):
	return 1, 0, e
	len_e = len(e)
	for x in xset:
	if len(x)>len_e: continue
	if re.search(r'\w\s\([^)]\b'+x+r'\b', e):
	# skip function calls having x as an argument, e.g max(1, x)
	continue
	re_1 = re.compile(r'(?P<before>.?)\b'+x+r'\b(?P<after>.)', re.I)
	m = re_1.match(e)
	if m:
	try:
	m1 = re_1.match(e)
	while m1:
	ee = '%s(%s)%s'%(m1.group('before'), 0, m1.group('after'))
	m1 = re_1.match(ee)
	b = myeval(ee, {}, {})
	m1 = re_1.match(e)
	while m1:
	ee = '%s(%s)%s'%(m1.group('before'), 1, m1.group('after'))
	m1 = re_1.match(ee)
	a = myeval(ee, {}, {}) - b
	m1 = re_1.match(e)
	while m1:
	ee = '%s(%s)%s'%(m1.group('before'), 0.5, m1.group('after'))
	m1 = re_1.match(ee)
	c = myeval(ee, {}, {})
	# computing another point to be sure that expression is linear
	m1 = re_1.match(e)
	while m1:
	ee = '%s(%s)%s'%(m1.group('before'), 1.5, m1.group('after'))
	m1 = re_1.match(ee)
	c2 = myeval(ee, {}, {})
	if (a0.5+b==c and a1.5+b==c2):
	return a, b, x
	except: pass
	break
	return None, None, None

	_varname_match = re.compile(r'\A[a-z]\w*\Z').match
	def getarrlen(dl,args,star='*'):
	edl = []
	try: edl.append(myeval(dl[0], {}, {}))
	except: edl.append(dl[0])
	try: edl.append(myeval(dl[1], {}, {}))
	except: edl.append(dl[1])
	if isinstance(edl[0], int):
	p1 = 1-edl[0]
	if p1==0: d = str(dl[1])
	elif p1<0: d = '%s-%s'%(dl[1], -p1)
	else: d = '%s+%s'%(dl[1], p1)
	elif isinstance(edl[1], int):
	p1 = 1+edl[1]
	if p1==0: d='-(%s)' % (dl[0])
	else: d='%s-(%s)' % (p1, dl[0])
	else: d = '%s-(%s)+1'%(dl[1], dl[0])
	try: return repr(myeval(d, {}, {})), None, None
	except: pass
	d1, d2=getlincoef(dl[0], args), getlincoef(dl[1], args)
	if None not in [d1[0], d2[0]]:
	if (d1[0], d2[0])==(0, 0):
	return repr(d2[1]-d1[1]+1), None, None
	b = d2[1] - d1[1] + 1
	d1 = (d1[0], 0, d1[2])
	d2 = (d2[0], b, d2[2])
	if d1[0]==0 and d2[2] in args:
	if b<0: return '%s * %s - %s'%(d2[0], d2[2], -b), d2[2], '+%s)/(%s)'%(-b, d2[0])
	elif b: return '%s * %s + %s'%(d2[0], d2[2], b), d2[2], '-%s)/(%s)'%(b, d2[0])
	else: return '%s * %s'%(d2[0], d2[2]), d2[2], ')/(%s)'%(d2[0])
	if d2[0]==0 and d1[2] in args:

	if b<0: return '%s * %s - %s'%(-d1[0], d1[2], -b), d1[2], '+%s)/(%s)'%(-b, -d1[0])
	elif b: return '%s * %s + %s'%(-d1[0], d1[2], b), d1[2], '-%s)/(%s)'%(b, -d1[0])
	else: return '%s * %s'%(-d1[0], d1[2]), d1[2], ')/(%s)'%(-d1[0])
	if d1[2]==d2[2] and d1[2] in args:
	a = d2[0] - d1[0]
	if not a: return repr(b), None, None
	if b<0: return '%s * %s - %s'%(a, d1[2], -b), d2[2], '+%s)/(%s)'%(-b, a)
	elif b: return '%s * %s + %s'%(a, d1[2], b), d2[2], '-%s)/(%s)'%(b, a)
	else: return '%s * %s'%(a, d1[2]), d2[2], ')/(%s)'%(a)
	if d1[0]==d2[0]==1:
	c = str(d1[2])
	if c not in args:
	if _varname_match(c):
	outmess('\tgetarrlen:variable "%s" undefined\n' % (c))
	c = '(%s)'%c
	if b==0: d='%s-%s' % (d2[2], c)
	elif b<0: d='%s-%s-%s' % (d2[2], c, -b)
	else: d='%s-%s+%s' % (d2[2], c, b)
	elif d1[0]==0:
	c2 = str(d2[2])
	if c2 not in args:
	if _varname_match(c2):
	outmess('\tgetarrlen:variable "%s" undefined\n' % (c2))
	c2 = '(%s)'%c2
	if d2[0]==1: pass
	elif d2[0]==-1: c2='-%s' %c2
	else: c2='%s*%s'%(d2[0], c2)

	if b==0: d=c2
	elif b<0: d='%s-%s' % (c2, -b)
	else: d='%s+%s' % (c2, b)
	elif d2[0]==0:
	c1 = str(d1[2])
	if c1 not in args:
	if _varname_match(c1):
	outmess('\tgetarrlen:variable "%s" undefined\n' % (c1))
	c1 = '(%s)'%c1
	if d1[0]==1: c1='-%s'%c1
	elif d1[0]==-1: c1='+%s'%c1
	elif d1[0]<0: c1='+%s*%s'%(-d1[0], c1)
	else: c1 = '-%s*%s' % (d1[0], c1)

	if b==0: d=c1
	elif b<0: d='%s-%s' % (c1, -b)
	else: d='%s+%s' % (c1, b)
	else:
	c1 = str(d1[2])
	if c1 not in args:
	if _varname_match(c1):
	outmess('\tgetarrlen:variable "%s" undefined\n' % (c1))
	c1 = '(%s)'%c1
	if d1[0]==1: c1='-%s'%c1
	elif d1[0]==-1: c1='+%s'%c1
	elif d1[0]<0: c1='+%s*%s'%(-d1[0], c1)
	else: c1 = '-%s*%s' % (d1[0], c1)

	c2 = str(d2[2])
	if c2 not in args:
	if _varname_match(c2):
	outmess('\tgetarrlen:variable "%s" undefined\n' % (c2))
	c2 = '(%s)'%c2
	if d2[0]==1: pass
	elif d2[0]==-1: c2='-%s' %c2
	else: c2='%s*%s'%(d2[0], c2)

	if b==0: d='%s%s' % (c2, c1)
	elif b<0: d='%s%s-%s' % (c2, c1, -b)
	else: d='%s%s+%s' % (c2, c1, b)
	return d, None, None

	word_pattern = re.compile(r'\b[a-z][\w$]*\b', re.I)

	def _get_depend_dict(name, vars, deps):
	if name in vars:
	words = vars[name].get('depend', [])

	if '=' in vars[name] and not isstring(vars[name]):
	for word in word_pattern.findall(vars[name]['=']):
	if word not in words and word in vars:
	words.append(word)
	for word in words[:]:
	for w in deps.get(word, []) \
	or _get_depend_dict(word, vars, deps):
	if w not in words:
	words.append(w)
	else:
	outmess('_get_depend_dict: no dependence info for %s\n' % (repr(name)))
	words = []
	deps[name] = words
	return words

	def _calc_depend_dict(vars):
	names = list(vars.keys())
	depend_dict = {}
	for n in names:
	_get_depend_dict(n, vars, depend_dict)
	return depend_dict

	def get_sorted_names(vars):
	"""
	"""
	depend_dict = _calc_depend_dict(vars)
	names = []
	for name in list(depend_dict.keys()):
	if not depend_dict[name]:
	names.append(name)
	del depend_dict[name]
	while depend_dict:
	for name, lst in list(depend_dict.items()):
	new_lst = [n for n in lst if n in depend_dict]
	if not new_lst:
	names.append(name)
	del depend_dict[name]
	else:
	depend_dict[name] = new_lst
	return [name for name in names if name in vars]

	def _kind_func(string):
	#XXX: return something sensible.
	if string[0] in "'\"":
	string = string[1:-1]
	if real16pattern.match(string):
	return 8
	elif real8pattern.match(string):
	return 4
	return 'kind('+string+')'

	def _selected_int_kind_func(r):
	#XXX: This should be processor dependent
	m = 10**r
	if m<=2**8: return 1
	if m<=2**16: return 2
	if m<=2**32: return 4
	if m<=2**63: return 8
	if m<=2**128: return 16
	return -1

	def _selected_real_kind_func(p, r=0, radix=0):
	#XXX: This should be processor dependent
	# This is only good for 0 <= p <= 20
	if p < 7: return 4
	if p < 16: return 8
	if platform.machine().lower().startswith('power'):
	if p <= 20:
	return 16
	else:
	if p < 19:
	return 10
	elif p <= 20:
	return 16
	return -1

	def get_parameters(vars, global_params={}):
	params = copy.copy(global_params)
	g_params = copy.copy(global_params)
	for name, func in [('kind', _kind_func),
	('selected_int_kind', _selected_int_kind_func),
	('selected_real_kind', _selected_real_kind_func),
	]:
	if name not in g_params:
	g_params[name] = func
	param_names = []
	for n in get_sorted_names(vars):
	if 'attrspec' in vars[n] and 'parameter' in vars[n]['attrspec']:
	param_names.append(n)
	kind_re = re.compile(r'\bkind\s$\s(?P<value>.)\s$', re.I)
	selected_int_kind_re = re.compile(r'\bselected_int_kind\s$\s(?P<value>.)\s$', re.I)
	selected_kind_re = re.compile(r'\bselected_(int\|real)_kind\s$\s(?P<value>.)\s$', re.I)
	for n in param_names:
	if '=' in vars[n]:
	v = vars[n]['=']
	if islogical(vars[n]):
	v = v.lower()
	for repl in [
	('.false.', 'False'),
	('.true.', 'True'),
	#TODO: test .eq., .neq., etc replacements.
	]:
	v = v.replace(*repl)
	v = kind_re.sub(r'kind("\1")', v)
	v = selected_int_kind_re.sub(r'selected_int_kind(\1)', v)
	if isinteger(vars[n]) and not selected_kind_re.match(v):
	v = v.split('_')[0]
	if isdouble(vars[n]):
	tt = list(v)
	for m in real16pattern.finditer(v):
	tt[m.start():m.end()] = list(\
	v[m.start():m.end()].lower().replace('d', 'e'))
	v = ''.join(tt)
	if iscomplex(vars[n]):
	if v[0]=='(' and v[-1]==')':
	l = markoutercomma(v[1:-1]).split('@,@')
	try:
	params[n] = eval(v, g_params, params)
	except Exception as msg:
	params[n] = v
	#print params
	outmess('get_parameters: got "%s" on %s\n' % (msg, repr(v)))
	if isstring(vars[n]) and isinstance(params[n], int):
	params[n] = chr(params[n])
	nl = n.lower()
	if nl!=n:
	params[nl] = params[n]
	else:
	print(vars[n])
	outmess('get_parameters:parameter %s does not have value?!\n'%(repr(n)))
	return params

	def _eval_length(length, params):
	if length in ['(:)', '()', '']:
	return '(*)'
	return _eval_scalar(length, params)

	_is_kind_number = re.compile(r'\d+_').match

	def _eval_scalar(value, params):
	if _is_kind_number(value):
	value = value.split('_')[0]
	try:
	value = str(eval(value, {}, params))
	except (NameError, SyntaxError):
	return value
	except Exception as msg:
	errmess('"%s" in evaluating %r '\
	'(available names: %s)\n' \
	% (msg, value, list(params.keys())))
	return value

	def analyzevars(block):
	global f90modulevars
	setmesstext(block)
	implicitrules, attrrules=buildimplicitrules(block)
	vars=copy.copy(block['vars'])
	if block['block']=='function' and block['name'] not in vars:
	vars[block['name']]={}
	if '' in block['vars']:
	del vars['']
	if 'attrspec' in block['vars']['']:
	gen=block['vars']['']['attrspec']
	for n in list(vars.keys()):
	for k in ['public', 'private']:
	if k in gen:
	vars[n]=setattrspec(vars[n], k)
	svars=[]
	args = block['args']
	for a in args:
	try:
	vars[a]
	svars.append(a)
	except KeyError:
	pass
	for n in list(vars.keys()):
	if n not in args: svars.append(n)

	params = get_parameters(vars, get_useparameters(block))

	dep_matches = {}
	name_match = re.compile(r'\w[\w\d_$]*').match
	for v in list(vars.keys()):
	m = name_match(v)
	if m:
	n = v[m.start():m.end()]
	try:
	dep_matches[n]
	except KeyError:
	dep_matches[n] = re.compile(r'.*\b%s\b'%(v), re.I).match
	for n in svars:
	if n[0] in list(attrrules.keys()):
	vars[n]=setattrspec(vars[n], attrrules[n[0]])
	if 'typespec' not in vars[n]:
	if not('attrspec' in vars[n] and 'external' in vars[n]['attrspec']):
	if implicitrules:
	ln0 = n[0].lower()
	for k in list(implicitrules[ln0].keys()):
	if k=='typespec' and implicitrules[ln0][k]=='undefined':
	continue
	if k not in vars[n]:
	vars[n][k]=implicitrules[ln0][k]
	elif k=='attrspec':
	for l in implicitrules[ln0][k]:
	vars[n]=setattrspec(vars[n], l)
	elif n in block['args']:
	outmess('analyzevars: typespec of variable %s is not defined in routine %s.\n'%(repr(n), block['name']))

	if 'charselector' in vars[n]:
	if 'len' in vars[n]['charselector']:
	l = vars[n]['charselector']['len']
	try:
	l = str(eval(l, {}, params))
	except:
	pass
	vars[n]['charselector']['len'] = l

	if 'kindselector' in vars[n]:
	if 'kind' in vars[n]['kindselector']:
	l = vars[n]['kindselector']['kind']
	try:
	l = str(eval(l, {}, params))
	except:
	pass
	vars[n]['kindselector']['kind'] = l

	savelindims = {}
	if 'attrspec' in vars[n]:
	attr=vars[n]['attrspec']
	attr.reverse()
	vars[n]['attrspec']=[]
	dim, intent, depend, check, note=None, None, None, None, None
	for a in attr:
	if a[:9]=='dimension': dim=(a[9:].strip())[1:-1]
	elif a[:6]=='intent': intent=(a[6:].strip())[1:-1]
	elif a[:6]=='depend': depend=(a[6:].strip())[1:-1]
	elif a[:5]=='check': check=(a[5:].strip())[1:-1]
	elif a[:4]=='note': note=(a[4:].strip())[1:-1]
	else: vars[n]=setattrspec(vars[n], a)
	if intent:
	if 'intent' not in vars[n]:
	vars[n]['intent']=[]
	for c in [x.strip() for x in markoutercomma(intent).split('@,@')]:
	if not c in vars[n]['intent']:
	vars[n]['intent'].append(c)
	intent=None
	if note:
	note=note.replace('\\n\\n', '\n\n')
	note=note.replace('\\n ', '\n')
	if 'note' not in vars[n]:
	vars[n]['note']=[note]
	else:
	vars[n]['note'].append(note)
	note=None
	if depend is not None:
	if 'depend' not in vars[n]:
	vars[n]['depend']=[]
	for c in rmbadname([x.strip() for x in markoutercomma(depend).split('@,@')]):
	if c not in vars[n]['depend']:
	vars[n]['depend'].append(c)
	depend=None
	if check is not None:
	if 'check' not in vars[n]:
	vars[n]['check']=[]
	for c in [x.strip() for x in markoutercomma(check).split('@,@')]:
	if not c in vars[n]['check']:
	vars[n]['check'].append(c)
	check=None
	if dim and 'dimension' not in vars[n]:
	vars[n]['dimension']=[]
	for d in rmbadname([x.strip() for x in markoutercomma(dim).split('@,@')]):
	star = '*'
	if d==':':
	star=':'
	if d in params:
	d = str(params[d])
	for p in list(params.keys()):
	m = re.match(r'(?P<before>.?)\b'+p+r'\b(?P<after>.)', d, re.I)
	if m:
	#outmess('analyzevars:replacing parameter %s in %s (dimension of %s) with %s\n'%(`p`,`d`,`n`,`params[p]`))
	d = m.group('before')+str(params[p])+m.group('after')
	if d==star:
	dl = [star]
	else:
	dl=markoutercomma(d, ':').split('@:@')
	if len(dl)==2 and '' in dl: # e.g. dimension(5:)
	dl = ['*']
	d = '*'
	if len(dl)==1 and not dl[0]==star: dl = ['1', dl[0]]
	if len(dl)==2:
	d, v, di = getarrlen(dl, list(block['vars'].keys()))
	if d[:4] == '1 * ': d = d[4:]
	if di and di[-4:] == '/(1)': di = di[:-4]
	if v: savelindims[d] = v, di
	vars[n]['dimension'].append(d)
	if 'dimension' in vars[n]:
	if isintent_c(vars[n]):
	shape_macro = 'shape'
	else:
	shape_macro = 'shape'#'fshape'
	if isstringarray(vars[n]):
	if 'charselector' in vars[n]:
	d = vars[n]['charselector']
	if '*' in d:
	d = d['*']
	errmess('analyzevars: character array "character*%s %s(%s)" is considered as "character %s(%s)"; "intent(c)" is forced.\n'\
	%(d, n,
	','.join(vars[n]['dimension']),
	n, ','.join(vars[n]['dimension']+[d])))
	vars[n]['dimension'].append(d)
	del vars[n]['charselector']
	if 'intent' not in vars[n]:
	vars[n]['intent'] = []
	if 'c' not in vars[n]['intent']:
	vars[n]['intent'].append('c')
	else:
	errmess("analyzevars: charselector=%r unhandled." % (d))
	if 'check' not in vars[n] and 'args' in block and n in block['args']:
	flag = 'depend' not in vars[n]
	if flag:
	vars[n]['depend']=[]
	vars[n]['check']=[]
	if 'dimension' in vars[n]:
	#/----< no check
	#vars[n]['check'].append('rank(%s)==%s'%(n,len(vars[n]['dimension'])))
	i=-1; ni=len(vars[n]['dimension'])
	for d in vars[n]['dimension']:
	ddeps=[] # dependecies of 'd'
	ad=''
	pd=''
	#origd = d
	if d not in vars:
	if d in savelindims:
	pd, ad='(', savelindims[d][1]
	d = savelindims[d][0]
	else:
	for r in block['args']:
	#for r in block['vars'].iterkeys():
	if r not in vars:
	continue
	if re.match(r'.*?\b'+r+r'\b', d, re.I):
	ddeps.append(r)
	if d in vars:
	if 'attrspec' in vars[d]:
	for aa in vars[d]['attrspec']:
	if aa[:6]=='depend':
	ddeps += aa[6:].strip()[1:-1].split(',')
	if 'depend' in vars[d]:
	ddeps=ddeps+vars[d]['depend']
	i=i+1
	if d in vars and ('depend' not in vars[d]) \
	and ('=' not in vars[d]) and (d not in vars[n]['depend']) \
	and l_or(isintent_in, isintent_inout, isintent_inplace)(vars[n]):
	vars[d]['depend']=[n]
	if ni>1:
	vars[d]['=']='%s%s(%s,%s)%s'% (pd, shape_macro, n, i, ad)
	else:
	vars[d]['=']='%slen(%s)%s'% (pd, n, ad)
	# /---< no check
	if 1 and 'check' not in vars[d]:
	if ni>1:
	vars[d]['check']=['%s%s(%s,%i)%s==%s'\
	%(pd, shape_macro, n, i, ad, d)]
	else:
	vars[d]['check']=['%slen(%s)%s>=%s'%(pd, n, ad, d)]
	if 'attrspec' not in vars[d]:
	vars[d]['attrspec']=['optional']
	if ('optional' not in vars[d]['attrspec']) and\
	('required' not in vars[d]['attrspec']):
	vars[d]['attrspec'].append('optional')
	elif d not in ['*', ':']:
	#/----< no check
	#if ni>1: vars[n]['check'].append('shape(%s,%i)==%s'%(n,i,d))
	#else: vars[n]['check'].append('len(%s)>=%s'%(n,d))
	if flag:
	if d in vars:
	if n not in ddeps:
	vars[n]['depend'].append(d)
	else:
	vars[n]['depend'] = vars[n]['depend'] + ddeps
	elif isstring(vars[n]):
	length='1'
	if 'charselector' in vars[n]:
	if '*' in vars[n]['charselector']:
	length = _eval_length(vars[n]['charselector']['*'],
	params)
	vars[n]['charselector']['*']=length
	elif 'len' in vars[n]['charselector']:
	length = _eval_length(vars[n]['charselector']['len'],
	params)
	del vars[n]['charselector']['len']
	vars[n]['charselector']['*']=length

	if not vars[n]['check']:
	del vars[n]['check']
	if flag and not vars[n]['depend']:
	del vars[n]['depend']
	if '=' in vars[n]:
	if 'attrspec' not in vars[n]:
	vars[n]['attrspec']=[]
	if ('optional' not in vars[n]['attrspec']) and \
	('required' not in vars[n]['attrspec']):
	vars[n]['attrspec'].append('optional')
	if 'depend' not in vars[n]:
	vars[n]['depend']=[]
	for v, m in list(dep_matches.items()):
	if m(vars[n]['=']): vars[n]['depend'].append(v)
	if not vars[n]['depend']: del vars[n]['depend']
	if isscalar(vars[n]):
	vars[n]['='] = _eval_scalar(vars[n]['='], params)

	for n in list(vars.keys()):
	if n==block['name']: # n is block name
	if 'note' in vars[n]:
	block['note']=vars[n]['note']
	if block['block']=='function':
	if 'result' in block and block['result'] in vars:
	vars[n]=appenddecl(vars[n], vars[block['result']])
	if 'prefix' in block:
	pr=block['prefix']; ispure=0; isrec=1
	pr1=pr.replace('pure', '')
	ispure=(not pr==pr1)
	pr=pr1.replace('recursive', '')
	isrec=(not pr==pr1)
	m=typespattern[0].match(pr)
	if m:
	typespec, selector, attr, edecl=cracktypespec0(m.group('this'), m.group('after'))
	kindselect, charselect, typename=cracktypespec(typespec, selector)
	vars[n]['typespec']=typespec
	if kindselect:
	if 'kind' in kindselect:
	try:
	kindselect['kind'] = eval(kindselect['kind'], {}, params)
	except:
	pass
	vars[n]['kindselector']=kindselect
	if charselect: vars[n]['charselector']=charselect
	if typename: vars[n]['typename']=typename
	if ispure: vars[n]=setattrspec(vars[n], 'pure')
	if isrec: vars[n]=setattrspec(vars[n], 'recursive')
	else:
	outmess('analyzevars: prefix (%s) were not used\n'%repr(block['prefix']))
	if not block['block'] in ['module', 'pythonmodule', 'python module', 'block data']:
	if 'commonvars' in block:
	neededvars=copy.copy(block['args']+block['commonvars'])
	else:
	neededvars=copy.copy(block['args'])
	for n in list(vars.keys()):
	if l_or(isintent_callback, isintent_aux)(vars[n]):
	neededvars.append(n)
	if 'entry' in block:
	neededvars.extend(list(block['entry'].keys()))
	for k in list(block['entry'].keys()):
	for n in block['entry'][k]:
	if n not in neededvars:
	neededvars.append(n)
	if block['block']=='function':
	if 'result' in block:
	neededvars.append(block['result'])
	else:
	neededvars.append(block['name'])
	if block['block'] in ['subroutine', 'function']:
	name = block['name']
	if name in vars and 'intent' in vars[name]:
	block['intent'] = vars[name]['intent']
	if block['block'] == 'type':
	neededvars.extend(list(vars.keys()))
	for n in list(vars.keys()):
	if n not in neededvars:
	del vars[n]
	return vars

	analyzeargs_re_1 = re.compile(r'\A[a-z]+[\w$]*\Z', re.I)
	def expr2name(a, block, args=[]):
	orig_a = a
	a_is_expr = not analyzeargs_re_1.match(a)
	if a_is_expr: # `a` is an expression
	implicitrules, attrrules=buildimplicitrules(block)
	at=determineexprtype(a, block['vars'], implicitrules)
	na='e_'
	for c in a:
	c = c.lower()
	if c not in string.ascii_lowercase+string.digits: c='_'
	na=na+c
	if na[-1]=='_': na=na+'e'
	else: na=na+'_e'
	a=na
	while a in block['vars'] or a in block['args']:
	a=a+'r'
	if a in args:
	k = 1
	while a + str(k) in args:
	k = k + 1
	a = a + str(k)
	if a_is_expr:
	block['vars'][a]=at
	else:
	if a not in block['vars']:
	if orig_a in block['vars']:
	block['vars'][a] = block['vars'][orig_a]
	else:
	block['vars'][a]={}
	if 'externals' in block and orig_a in block['externals']+block['interfaced']:
	block['vars'][a]=setattrspec(block['vars'][a], 'external')
	return a

	def analyzeargs(block):
	setmesstext(block)
	implicitrules, attrrules=buildimplicitrules(block)
	if 'args' not in block:
	block['args']=[]
	args=[]
	for a in block['args']:
	a = expr2name(a, block, args)
	args.append(a)
	block['args']=args
	if 'entry' in block:
	for k, args1 in list(block['entry'].items()):
	for a in args1:
	if a not in block['vars']:
	block['vars'][a]={}

	for b in block['body']:
	if b['name'] in args:
	if 'externals' not in block:
	block['externals']=[]
	if b['name'] not in block['externals']:
	block['externals'].append(b['name'])
	if 'result' in block and block['result'] not in block['vars']:
	block['vars'][block['result']]={}
	return block

	determineexprtype_re_1 = re.compile(r'\A$.+?[,].+?$\Z', re.I)
	determineexprtype_re_2 = re.compile(r'\A[+-]?\d+(_(P<name>[\w]+)\|)\Z', re.I)
	determineexprtype_re_3 = re.compile(r'\A[+-]?[\d.]+[\d+-de.]*(_(P<name>[\w]+)\|)\Z', re.I)
	determineexprtype_re_4 = re.compile(r'\A$.*$\Z', re.I)
	determineexprtype_re_5 = re.compile(r'\A(?P<name>\w+)\s$.?$\s*\Z', re.I)
	def _ensure_exprdict(r):
	if isinstance(r, int):
	return {'typespec':'integer'}
	if isinstance(r, float):
	return {'typespec':'real'}
	if isinstance(r, complex):
	return {'typespec':'complex'}
	if isinstance(r, dict):
	return r
	raise AssertionError(repr(r))

	def determineexprtype(expr,vars,rules={}):
	if expr in vars:
	return _ensure_exprdict(vars[expr])
	expr=expr.strip()
	if determineexprtype_re_1.match(expr):
	return {'typespec':'complex'}
	m=determineexprtype_re_2.match(expr)
	if m:
	if 'name' in m.groupdict() and m.group('name'):
	outmess('determineexprtype: selected kind types not supported (%s)\n'%repr(expr))
	return {'typespec':'integer'}
	m = determineexprtype_re_3.match(expr)
	if m:
	if 'name' in m.groupdict() and m.group('name'):
	outmess('determineexprtype: selected kind types not supported (%s)\n'%repr(expr))
	return {'typespec':'real'}
	for op in ['+', '-', '*', '/']:
	for e in [x.strip() for x in markoutercomma(expr, comma=op).split('@'+op+'@')]:
	if e in vars:
	return _ensure_exprdict(vars[e])
	t={}
	if determineexprtype_re_4.match(expr): # in parenthesis
	t=determineexprtype(expr[1:-1], vars, rules)
	else:
	m = determineexprtype_re_5.match(expr)
	if m:
	rn=m.group('name')
	t=determineexprtype(m.group('name'), vars, rules)
	if t and 'attrspec' in t:
	del t['attrspec']
	if not t:
	if rn[0] in rules:
	return _ensure_exprdict(rules[rn[0]])
	if expr[0] in '\'"':
	return {'typespec':'character','charselector':{'':''}}
	if not t:
	outmess('determineexprtype: could not determine expressions (%s) type.\n'%(repr(expr)))
	return t

	######
	def crack2fortrangen(block,tab='\n', as_interface=False):
	global skipfuncs, onlyfuncs
	setmesstext(block)
	ret=''
	if isinstance(block, list):
	for g in block:
	if g and g['block'] in ['function', 'subroutine']:
	if g['name'] in skipfuncs:
	continue
	if onlyfuncs and g['name'] not in onlyfuncs:
	continue
	ret=ret+crack2fortrangen(g, tab, as_interface=as_interface)
	return ret
	prefix=''
	name=''
	args=''
	blocktype=block['block']
	if blocktype=='program': return ''
	argsl = []
	if 'name' in block:
	name=block['name']
	if 'args' in block:
	vars = block['vars']
	for a in block['args']:
	a = expr2name(a, block, argsl)
	if not isintent_callback(vars[a]):
	argsl.append(a)
	if block['block']=='function' or argsl:
	args='(%s)'%','.join(argsl)
	f2pyenhancements = ''
	if 'f2pyenhancements' in block:
	for k in list(block['f2pyenhancements'].keys()):
	f2pyenhancements = '%s%s%s %s'%(f2pyenhancements, tab+tabchar, k, block['f2pyenhancements'][k])
	intent_lst = block.get('intent', [])[:]
	if blocktype=='function' and 'callback' in intent_lst:
	intent_lst.remove('callback')
	if intent_lst:
	f2pyenhancements = '%s%sintent(%s) %s'%\
	(f2pyenhancements, tab+tabchar,
	','.join(intent_lst), name)
	use=''
	if 'use' in block:
	use=use2fortran(block['use'], tab+tabchar)
	common=''
	if 'common' in block:
	common=common2fortran(block['common'], tab+tabchar)
	if name=='unknown_interface': name=''
	result=''
	if 'result' in block:
	result=' result (%s)'%block['result']
	if block['result'] not in argsl:
	argsl.append(block['result'])
	#if 'prefix' in block:
	# prefix=block['prefix']+' '
	body=crack2fortrangen(block['body'], tab+tabchar)
	vars=vars2fortran(block, block['vars'], argsl, tab+tabchar, as_interface=as_interface)
	mess=''
	if 'from' in block and not as_interface:
	mess='! in %s'%block['from']
	if 'entry' in block:
	entry_stmts = ''
	for k, i in list(block['entry'].items()):
	entry_stmts = '%s%sentry %s(%s)' \
	% (entry_stmts, tab+tabchar, k, ','.join(i))
	body = body + entry_stmts
	if blocktype=='block data' and name=='_BLOCK_DATA_':
	name = ''
	ret='%s%s%s %s%s%s %s%s%s%s%s%s%send %s %s'%(tab, prefix, blocktype, name, args, result, mess, f2pyenhancements, use, vars, common, body, tab, blocktype, name)
	return ret

	def common2fortran(common,tab=''):
	ret=''
	for k in list(common.keys()):
	if k=='_BLNK_':
	ret='%s%scommon %s'%(ret, tab, ','.join(common[k]))
	else:
	ret='%s%scommon /%s/ %s'%(ret, tab, k, ','.join(common[k]))
	return ret

	def use2fortran(use,tab=''):
	ret=''
	for m in list(use.keys()):
	ret='%s%suse %s,'%(ret, tab, m)
	if use[m]=={}:
	if ret and ret[-1]==',': ret=ret[:-1]
	continue
	if 'only' in use[m] and use[m]['only']:
	ret='%s only:'%(ret)
	if 'map' in use[m] and use[m]['map']:
	c=' '
	for k in list(use[m]['map'].keys()):
	if k==use[m]['map'][k]:
	ret='%s%s%s'%(ret, c, k); c=','
	else:
	ret='%s%s%s=>%s'%(ret, c, k, use[m]['map'][k]); c=','
	if ret and ret[-1]==',': ret=ret[:-1]
	return ret

	def true_intent_list(var):
	lst = var['intent']
	ret = []
	for intent in lst:
	try:
	c = eval('isintent_%s(var)' % intent)
	except NameError:
	c = 0
	if c:
	ret.append(intent)
	return ret

	def vars2fortran(block,vars,args,tab='', as_interface=False):
	"""
	TODO:
	public sub
	...
	"""
	setmesstext(block)
	ret=''
	nout=[]
	for a in args:
	if a in block['vars']:
	nout.append(a)
	if 'commonvars' in block:
	for a in block['commonvars']:
	if a in vars:
	if a not in nout:
	nout.append(a)
	else:
	errmess('vars2fortran: Confused?!: "%s" is not defined in vars.\n'%a)
	if 'varnames' in block:
	nout.extend(block['varnames'])
	if not as_interface:
	for a in list(vars.keys()):
	if a not in nout:
	nout.append(a)
	for a in nout:
	if 'depend' in vars[a]:
	for d in vars[a]['depend']:
	if d in vars and 'depend' in vars[d] and a in vars[d]['depend']:
	errmess('vars2fortran: Warning: cross-dependence between variables "%s" and "%s"\n'%(a, d))
	if 'externals' in block and a in block['externals']:
	if isintent_callback(vars[a]):
	ret='%s%sintent(callback) %s'%(ret, tab, a)
	ret='%s%sexternal %s'%(ret, tab, a)
	if isoptional(vars[a]):
	ret='%s%soptional %s'%(ret, tab, a)
	if a in vars and 'typespec' not in vars[a]:
	continue
	cont=1
	for b in block['body']:
	if a==b['name'] and b['block']=='function':
	cont=0;break
	if cont:
	continue
	if a not in vars:
	show(vars)
	outmess('vars2fortran: No definition for argument "%s".\n'%a)
	continue
	if a==block['name'] and not block['block']=='function':
	continue
	if 'typespec' not in vars[a]:
	if 'attrspec' in vars[a] and 'external' in vars[a]['attrspec']:
	if a in args:
	ret='%s%sexternal %s'%(ret, tab, a)
	continue
	show(vars[a])
	outmess('vars2fortran: No typespec for argument "%s".\n'%a)
	continue
	vardef=vars[a]['typespec']
	if vardef=='type' and 'typename' in vars[a]:
	vardef='%s(%s)'%(vardef, vars[a]['typename'])
	selector={}
	if 'kindselector' in vars[a]:
	selector=vars[a]['kindselector']
	elif 'charselector' in vars[a]:
	selector=vars[a]['charselector']
	if '*' in selector:
	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'])
	c=' '
	if 'attrspec' in vars[a]:
	attr=[]
	for l in vars[a]['attrspec']:
	if l not in ['external']:
	attr.append(l)
	if attr:
	vardef='%s, %s'%(vardef, ','.join(attr))
	c=','
	if 'dimension' in vars[a]:
	# if not isintent_c(vars[a]):
	# vars[a]['dimension'].reverse()
	vardef='%s%sdimension(%s)'%(vardef, c, ','.join(vars[a]['dimension']))
	c=','
	if 'intent' in vars[a]:
	lst = true_intent_list(vars[a])
	if lst:
	vardef='%s%sintent(%s)'%(vardef, c, ','.join(lst))
	c=','
	if 'check' in vars[a]:
	vardef='%s%scheck(%s)'%(vardef, c, ','.join(vars[a]['check']))
	c=','
	if 'depend' in vars[a]:
	vardef='%s%sdepend(%s)'%(vardef, c, ','.join(vars[a]['depend']))
	c=','
	if '=' in vars[a]:
	v = vars[a]['=']
	if vars[a]['typespec'] in ['complex', 'double complex']:
	try:
	v = eval(v)
	v = '(%s,%s)' % (v.real, v.imag)
	except:
	pass
	vardef='%s :: %s=%s'%(vardef, a, v)
	else:
	vardef='%s :: %s'%(vardef, a)
	ret='%s%s%s'%(ret, tab, vardef)
	return ret
	######

	def crackfortran(files):
	global usermodules
	outmess('Reading fortran codes...\n', 0)
	readfortrancode(files, crackline)
	outmess('Post-processing...\n', 0)
	usermodules=[]
	postlist=postcrack(grouplist[0])
	outmess('Post-processing (stage 2)...\n', 0)
	postlist=postcrack2(postlist)
	return usermodules+postlist

	def crack2fortran(block):
	global f2py_version
	pyf=crack2fortrangen(block)+'\n'
	header="""! -- f90 --
	! Note: the context of this file is case sensitive.
	"""
	footer="""
	! This file was auto-generated with f2py (version:%s).
	! See http://cens.ioc.ee/projects/f2py2e/
	"""%(f2py_version)
	return header+pyf+footer

	if __name__ == "__main__":
	files=[]
	funcs=[]
	f=1;f2=0;f3=0
	showblocklist=0
	for l in sys.argv[1:]:
	if l=='': pass
	elif l[0]==':':
	f=0
	elif l=='-quiet':
	quiet=1
	verbose=0
	elif l=='-verbose':
	verbose=2
	quiet=0
	elif l=='-fix':
	if strictf77:
	outmess('Use option -f90 before -fix if Fortran 90 code is in fix form.\n', 0)
	skipemptyends=1
	sourcecodeform='fix'
	elif l=='-skipemptyends':
	skipemptyends=1
	elif l=='--ignore-contains':
	ignorecontains=1
	elif l=='-f77':
	strictf77=1
	sourcecodeform='fix'
	elif l=='-f90':
	strictf77=0
	sourcecodeform='free'
	skipemptyends=1
	elif l=='-h':
	f2=1
	elif l=='-show':
	showblocklist=1
	elif l=='-m':
	f3=1
	elif l[0]=='-':
	errmess('Unknown option %s\n'%repr(l))
	elif f2:
	f2=0
	pyffilename=l
	elif f3:
	f3=0
	f77modulename=l
	elif f:
	try:
	open(l).close()
	files.append(l)
	except IOError as detail:
	errmess('IOError: %s\n'%str(detail))
	else:
	funcs.append(l)
	if not strictf77 and f77modulename and not skipemptyends:
	outmess("""\
	Warning: You have specifyied module name for non Fortran 77 code
	that should not need one (expect if you are scanning F90 code
	for non module blocks but then you should use flag -skipemptyends
	and also be sure that the files do not contain programs without program statement).
	""", 0)

	postlist=crackfortran(files, funcs)
	if pyffilename:
	outmess('Writing fortran code to file %s\n'%repr(pyffilename), 0)
	pyf=crack2fortran(postlist)
	f=open(pyffilename, 'w')
	f.write(pyf)
	f.close()
	if showblocklist:
	show(postlist)