/usr/lib/x86_64-linux-gnu/root5.34/python/genreflex/genreflex.py is in libroot-core-dev 5.34.00-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#
# Permission to use, copy, modify, and distribute this software for any
# purpose is hereby granted without fee, provided that this copyright and
# permissions notice appear in all copies and derivatives.
#
# This software is provided "as is" without express or implied warranty.
import sys, os, gendict, selclass, gencapa, genrootmap, string, getopt, subprocess
class genreflex:
#----------------------------------------------------------------------------------
def __init__(self):
self.files = []
self.output = None
self.outputDir = None
self.outputFile = None
self.capabilities = None
self.rootmap = None
self.rootmaplib = None
self.select = None
self.cppopt = ''
self.deep = False
self.opts = {}
self.gccxmlpath = None
self.gccxmlpost = ''
self.gccxmlopt = ''
self.gccxmlvers = '[UNKNOWN]'
self.selector = None
self.gccxml = ''
self.quiet = False
#----------------------------------------------------------------------------------
def usage(self, status = 1) :
print 'Usage:'
print ' genreflex headerfile1.h [headerfile2.h] [options] [preprocesor options]'
print 'Try "genreflex --help" for more information.'
sys.exit(status)
#----------------------------------------------------------------------------------
def help(self) :
print """Generates the LCG dictionary file for each header file\n
Usage:
genreflex headerfile1.h [headerfile2.h] [options] [preprocesor options]\n
Options:
-s <file>, --selection_file=<file>
Class selection file to specify for which classes the dictionary
will be generated
Format (XML):
<lcgdict>
[<selection>]
<class [name="classname"] [pattern="wildname"]
[file_name="filename"] [file_pattern="wildname"]
[id="xxxx"] [type="vector"]/>
<class name="classname" >
<field name="m_transient" transient="true"/>
<field name="m_anothertransient" transient="true"/>
<properties prop1="value1" [prop2="value2"]/>
</class>
<function [name="funcname"] [pattern="wildname"] />
<enum [name="enumname"] [pattern="wildname"] />
<variable [name="varname"] [pattern="wildname"] />
[</selection>]
<exclusion>
<class [name="classname"] [pattern="wildname"] />
<method name="unwanted" />
</class>
...
</lcgdict>\n
-o <file>, --output <file>
Output file name. If an existing directory is specified instead of a file,
then a filename will be build using the name of the input file and will
be placed in the given directory. <headerfile>_rflx.cpp \n
--pool, --dataonly
Generate minimal dictionary required for POOL persistency\n
--interpreteronly
Generate minimal dictionary required for interpreter\n
--deep
Generate dictionary for all dependend classes\n
--split=[classdef]
Generate a separate file for the given dictionary parts, currently supported part: classdef implementations.\n
--reflex (OBSOLETE)
Generate Reflex dictionaries.\n
--comments
Add end-of-line comments in data and functions members as a property called "comment" \n
--iocomments
Add end-of-line comments in data and functions members as a property called "comment", but only for comments relevant for ROOT I/O \n
--no_membertypedefs
Disable the definition of class member typedefs \n
--no_templatetypedefs
Disable resolving of typedefs in template parameters for selection names. E.g. std::vector<MYINT>.\n
--fail_on_warnings
The genreflex command fails (retuns the value 1) if any warning message is issued \n
--gccxmlpath=<path>
Path path where the gccxml tool is installed.
If not defined the standard PATH environ variable is used\n
--gccxmlopt=<gccxmlopt>
Options to be passed directly to gccxml\n
--gccxmlpost=<xmlfile>
Instead of invoking GCCXML process the xmlfile generated by GCCXML. Mainly useful for debugging.\n
-c <file>, --capabilities=<file>
Generate the capabilities file to be used by the SEAL Plugin Manager. This file
lists the names of all classes for which the reflection is formation is provided.\n
--rootmap=<file>
Generate the rootmap file to be used by ROOT/CINT. This file lists the names of
all classes for which the reflection is formation is provided.\n
--rootmap-lib=<library>
Library name for the rootmap file.\n
--debug
Print extra debug information while processing. Keep intermediate files\n
--quiet
Do not print informational messages\n
-h, --help
Print this help\n
"""
sys.exit()
#----------------------------------------------------------------------------------
def parse_args(self, argv = sys.argv) :
options = []
#----Ontain the list of files to process------------
for a in argv[1:] :
if a[0] != '-' :
self.files.append(a)
else :
options = argv[argv.index(a):]
break
#----Process options--------------------------------
try:
opts, args = getopt.getopt(options, 'ho:s:c:I:U:D:PC', \
['help','debug=', 'output=','selection_file=','pool','dataonly','interpreteronly','deep','gccxmlpath=',
'capabilities=','rootmap=','rootmap-lib=','comments','iocomments','no_membertypedefs',
'fail_on_warnings', 'quiet', 'gccxmlopt=', 'reflex', 'split=','no_templatetypedefs','gccxmlpost='])
except getopt.GetoptError, e:
print "--->> genreflex: ERROR:",e
self.usage(2)
self.output = '.'
self.select = None
self.gccxmlpath = None
self.cppopt = ''
self.pool = 0
self.interpreter = 0
for o, a in opts:
if o in ('-h', '--help'):
self.help()
if o in ('--no_templatetypedefs',):
self.opts['resolvettd'] = 0
if o in ('--debug',):
self.opts['debug'] = a
if o in ('-o', '--output'):
self.output = a
if o in ('-s', '--selection_file'):
self.select = a
if o in ('--pool',):
self.opts['pool'] = True
if o in ('--dataonly',):
self.opts['pool'] = True
if o in ('--interpreteronly',):
self.opts['interpreter'] = True
if o in ('--deep',):
self.deep = True
if o in ('--split',):
if self.opts.has_key('split') :
self.opts['split'] += ':' + a.lower()
else :
self.opts['split'] = a
if o in ('--reflex',):
print '--->> genreflex: WARNING: --reflex option is obsolete'
if o in ('--comments',):
self.opts['comments'] = True
if o in ('--iocomments',):
self.opts['iocomments'] = True
if o in ('--no_membertypedefs',):
self.opts['no_membertypedefs'] = True
if o in ('--fail_on_warnings',):
self.opts['fail_on_warnings'] = True
if o in ('--quiet',):
self.opts['quiet'] = True
self.quiet = True
if o in ('--gccxmlpath',):
self.gccxmlpath = a
if o in ('--gccxmlopt',):
self.gccxmlopt += a +' '
if o in ('--gccxmlpost',):
self.gccxmlpost = a
if o in ('-c', '--capabilities'):
self.capabilities = a
if o in ('--rootmap',):
self.rootmap = a
if o in ('--rootmap-lib',):
self.rootmaplib = a
if o in ('-I', '-U', '-D', '-P', '-C') :
# escape quotes; we need to use " because of windows cmd
poseq = a.find('=')
if poseq > 0 and a[poseq + 1] == '"' and a[-1] == '"' :
a = a[0:poseq + 1] + '\\' + a[poseq+1:-1] + '\\"'
self.cppopt += '"' + o + a + '" '
#----------------------------------------------------------------------------------
def check_files_dirs(self):
#---Check existance of input files--------------------
if self.files :
for f in self.files :
if not os.path.exists(f) :
print '--->> genreflex: ERROR: C++ file "' + f + '" not found'
self.usage()
else:
if self.gccxmlpost == '' :
print '--->> genreflex: ERROR: No input file specified'
self.usage()
else:
self.files = ['GCCXML_postproc_' + self.gccxmlpost]
#---Check existance of output directory----------------
if os.path.isdir(self.output) :
self.outputDir = self.output
self.outputFile = None
else :
self.outputDir, self.outputFile = os.path.split(self.output)
if self.outputDir and not os.path.isdir(self.outputDir) :
print '--->> genreflex: ERROR: Output directory ', self.outputDir, ' not found'
self.usage()
#---Hande selection class file-------------------------
classes = []
if self.select :
if not os.path.exists(self.select) :
print '--->> genreflex: ERROR: Class selection file "' + self.select + '" not found'
self.usage()
for l in open(self.select).readlines() : classes.append(l[:-1])
#----------GCCXML command------------------------------
self.gccxml = ''
if not self.gccxmlpath:
try:
import gccxmlpath
self.gccxmlpath = gccxmlpath.gccxmlpath
except:
pass
if self.gccxmlpath :
if sys.platform == 'win32' :
self.gccxml = self.gccxmlpath + os.sep + 'gccxml.exe'
else :
self.gccxml = self.gccxmlpath + os.sep + 'gccxml'
if not os.path.isfile(self.gccxml) :
print '--->> genreflex: ERROR: Path to gccxml given, but no executable found at', self.gccxml
self.gccxml = ''
if len(self.gccxml) == 0 :
if self.which('gccxml') :
self.gccxml = 'gccxml'
print '--->> genreflex: INFO: Using gccxml from', self.which('gccxml')
else :
print '--->> genreflex: ERROR: Cannot find gccxml executable, aborting!'
sys.exit(1)
#---------------Open selection file-------------------
try :
if self.select : self.selector = selclass.selClass(self.select,parse=1)
else : self.selector = None
except :
sys.exit(1)
#----------------------------------------------------------------------------------
def genGccxmlInfo(self):
s = ''
p = subprocess.Popen('"' + self.gccxml + '" --print', shell=True,
bufsize=-1, stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
close_fds = (sys.platform != 'win32'))
(inp, out, err) = (p.stdin, p.stdout, p.stderr)
sout = out.read()
serr = err.read()
if serr :
print '--->> genreflex: WARNING: Could not invoke %s --print' % self.gccxml
print '--->> genreflex: WARNING: %s' % serr
return s
self.gccxmlvers = sout.split('\n')[0].split()[-1]
recommendedvers = ( '0.7.0_20070615', '0.9.' )
foundgoodvers = filter(lambda c: self.gccxmlvers.startswith(c), recommendedvers)
if len(foundgoodvers) == 0:
plural = ''
if len(recommendedvers) > 1 : plural = 's'
print '--->> genreflex: WARNING: gccxml versions differ. Used version: %s. Recommended version%s: %s ' \
% ( self.gccxmlvers, plural, ', '.join(recommendedvers) )
print '--->> genreflex: WARNING: gccxml binary used: %s' % ( self.gccxml )
s += sout
compiler = ''
for l in sout.split('\n'):
ll = l.split('"')
if ll[0].find('GCCXML_COMPILER') != -1 :
compiler = ll[1]
break
bcomp = os.path.basename(compiler)
vopt = ''
if bcomp in ('msvc7','msvc71','msvc8') : return s
elif bcomp in ('gcc','g++','c++') : vopt = '--version'
elif bcomp in ('cl.exe','cl') : vopt = '' # there is no option to print only the version with cl
else :
print '--->> genreflex: WARNING: While trying to retrieve compiler version, found unknown compiler %s' % compiler
return s
p = subprocess.Popen('"%s" %s'%(compiler,vopt), shell=True, bufsize=-1,
stdin=subprocess.PIPE, stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
close_fds=(sys.platform != 'win32'))
(inp,out,err) = (p.stdin, p.stdout, p.stderr)
serr = err.read()
# cl puts its version into cerr!
if serr:
if bcomp in ('cl.exe','cl') and serr.find('is not recognized') == -1:
s += '\nCompiler info:\n' + serr
return s
else:
print '--->> genreflex: WARNING: While trying to retrieve compiler information. Cannot invoke %s %s' % (compiler,vopt)
print '--->> genreflex: WARNING: %s' % serr
return s
s += '\nCompiler info:\n' + out.read()
return s
#----------------------------------------------------------------------------------
def process_files(self):
total_errors = 0
total_warnings = 0
file_extension = '_rflx.cpp'
#----------Loop oover all the input files--------------
gccxmlinfo = self.genGccxmlInfo()
for source in self.files :
path, fullname = os.path.split(source)
name = fullname[:fullname.find('.')]
xmlfile = os.path.join(self.outputDir,name+'_gccxmlout.xml')
if( self.outputFile ) :
dicfile = os.path.join(self.outputDir,self.outputFile)
else :
dicfile = os.path.join(self.outputDir,name+file_extension)
if self.gccxmlpost == '' :
#---------------Parse the header file with GCC_XML
if sys.platform == 'win32' :
cmd = '"%s" %s "%s" -fxml=%s %s -D__REFLEX__' %(self.gccxml, self.gccxmlopt, source, xmlfile, self.cppopt)
else :
cmd = '%s %s "%s" -fxml=%s %s -D__REFLEX__' %(self.gccxml, self.gccxmlopt, source, xmlfile, self.cppopt)
if 'debug' in self.opts : print '--->> genreflex: INFO: invoking ', cmd
if not self.quiet : print '--->> genreflex: INFO: Parsing file %s with GCC_XML' % source,
if sys.platform == 'win32' :
# bug http://bugs.python.org/issue1524: os.system fails if the
# command is quoted and something else in the command is quoted.
# Workaround: prepend "call ":
cmd = "call " + cmd
status = os.system(cmd)
if status :
print '\n--->> genreflex: ERROR: processing file with gccxml. genreflex command failed.'
total_errors += 1
continue
else:
if not self.quiet : print 'OK'
else:
if not self.quiet : print '--->> genreflex: INFO: Postprocessing GCC_XML output file', self.gccxmlpost
xmlfile = self.gccxmlpost
#---------------Generate the dictionary---------------
if not self.quiet : print '--->> genreflex: INFO: Generating Reflex Dictionary'
dg = gendict.genDictionary(source, self.opts, self.gccxmlvers)
dg.parse(xmlfile)
classes = dg.selclasses(self.selector, self.deep)
functions = dg.selfunctions(self.selector)
enums = dg.selenums(self.selector)
variables = dg.selvariables(self.selector)
try:
if self.selector :
cnames, warnings, errors = dg.generate(dicfile, classes, functions, enums, variables, gccxmlinfo,
self.selector.io_read_rules, self.selector.io_readraw_rules )
else :
cnames, warnings, errors = dg.generate(dicfile, classes, functions, enums, variables, gccxmlinfo)
if errors or (warnings and self.opts.get('fail_on_warnings', False)): os.remove(dicfile)
except:
# remove output file even if evil things happened
os.remove(dicfile)
raise
total_errors += errors
total_warnings += warnings
#------------Produce Seal Capabilities source file------
if self.capabilities :
if os.path.isdir(self.capabilities) :
capfile = os.path.join(self.capabilities, 'capabilities.cpp')
else :
capfile = os.path.join(self.outputDir, self.capabilities)
gencapa.genCapabilities(capfile, name, cnames)
#------------Produce rootmap file-----------------------
if self.rootmap :
if os.path.isdir(self.rootmap) :
mapfile = os.path.join(self.rootmap, 'rootmap')
else :
mapfile = os.path.join(self.outputDir, self.rootmap)
if not self.rootmaplib : self.rootmaplib = 'lib'+name+'.so'
for td in dg.typedefs_for_usr:
# Autoload entries are classes by default. Only include non-free typedefs
# such that CINT gets notified that they are not classes when their enclosed
# scope's dictionary is set up.
# Scoped names have name != fullname; ensure that the typedef's scope is
# part of the dictionary, too.
if td['fullname'] != td['name'] \
and len(td['fullname']) > 3 \
and td['fullname'][0:-len(td['name']) - 2] in cnames:
cnames += [ td['fullname'] ]
classes+= dg.typedefs_for_usr
genrootmap.genRootMap(mapfile, name, self.rootmaplib, cnames, classes)
#------------Delete intermediate files------------------
if 'debug' not in self.opts and self.gccxmlpost == '':
os.remove(xmlfile)
#------------Report unused class selections in selection
if self.selector :
total_warnings += self.selector.reportUnusedClasses()
#------------Exit with status if errors ----------------
if total_errors:
sys.exit(1)
#------------Exit with status if warnings --------------
if total_warnings and self.opts.get('fail_on_warnings',False) :
os.remove(dicfile)
print '--->> genreflex: ERROR: Exiting with error due to %d warnings ( --fail_on_warnings enabled )' % total_warnings
sys.exit(1)
#---------------------------------------------------------------------
def which(self, name) :
if 'PATH' in os.environ :
if sys.platform == 'win32' : name += '.exe'
for p in os.environ['PATH'].split(os.pathsep) :
path = os.path.join(p,name)
if os.path.exists(path) : return path
return None
#---------------------------------------------------------------------
if __name__ == "__main__":
l = genreflex()
l.parse_args()
l.check_files_dirs()
l.process_files()
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