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#! /usr/bin/env python
###
#
# build_glob.py : Build the global_functions.h and global_functions.c
# files which are required to implement the user
# interface to global variables now that thread specific
# data (TSD) is used to emulate global state.
#
# See Copyright for the status of this software.
# Gary.Pennington@sun.com
###
import os, string
class globvar:
def __init__(self, type, name):
self.type=type
self.name=name
def striplinesep(line):
while line and line[-1] in ('\r','\n'):
line = line[:-1]
return line
def writeline(file, line=None):
if line:
file.write(line)
file.write("\n")
if __name__ == "__main__":
globals={}
global_data=open("global.data").readlines()
global_code=open("globals.c").readlines()
global_hdr=open("include/libxml/globals.h").readlines()
global_functions_hdr=open("include/libxml/globals.h", "w+")
global_functions_impl=open("globals.c", "w+")
#
# Rebuild the beginning of the file up to the
# Automatically generated string
#
for line in global_hdr:
line = striplinesep(line)
if line == " * Automatically generated by build_glob.py.":
break
writeline(global_functions_hdr, line)
writeline(global_functions_hdr, " * Automatically generated by build_glob.py.")
writeline(global_functions_hdr, " * Do not modify the previous line.")
writeline(global_functions_hdr, " */")
writeline(global_functions_hdr)
for line in global_code:
line = striplinesep(line)
if line == " * Automatically generated by build_glob.py.":
break
writeline(global_functions_impl, line)
writeline(global_functions_impl, " * Automatically generated by build_glob.py.")
writeline(global_functions_impl, " * Do not modify the previous line.")
writeline(global_functions_impl, " */")
writeline(global_functions_impl)
# Now process the data and write it to the appropriate output file
for line in global_data:
if line[0]=='#':
continue
line = striplinesep(line)
fields = string.split(line, ",")
# Update the header file
writeline(global_functions_hdr)
global_functions_hdr.write("extern "+fields[0]+" *")
if fields[2]:
global_functions_hdr.write("(*")
global_functions_hdr.write("__"+fields[1]+"(void)")
if fields[2]:
global_functions_hdr.write(")"+fields[2])
writeline(global_functions_hdr,";")
writeline(global_functions_hdr, "#ifdef LIBXML_THREAD_ENABLED")
writeline(global_functions_hdr,"#define "+fields[1]+" \\")
writeline(global_functions_hdr,"(*(__"+fields[1]+"()))")
writeline(global_functions_hdr,"#else")
if fields[2]:
writeline(global_functions_hdr,"LIBXML_DLL_IMPORT extern "+fields[0]+" "+fields[1]+fields[2]+";")
else:
writeline(global_functions_hdr,"LIBXML_DLL_IMPORT extern "+fields[0]+" "+fields[1]+";")
writeline(global_functions_hdr,"#endif")
# set/get for per-thread global defaults
if fields[3]:
writeline(global_functions_hdr,fields[0]+" "+fields[1][:3]+"ThrDef"+fields[1][3:]+"("+fields[0]+" v);")
# Update the implementation file
writeline(global_functions_impl)
# writeline(global_functions_impl, "extern "+fields[0]+" "+fields[1]+";")
writeline(global_functions_impl, "#undef\t"+fields[1])
writeline(global_functions_impl, fields[0]+" *")
if fields[2]:
global_functions_impl.write("(*")
global_functions_impl.write("__"+fields[1]+"(void)")
if fields[2]:
writeline(global_functions_impl, ")[]")
writeline(global_functions_impl, " {")
writeline(global_functions_impl, " if (IS_MAIN_THREAD)")
writeline(global_functions_impl, "\treturn (&"+fields[1]+");")
writeline(global_functions_impl, " else")
writeline(global_functions_impl, "\treturn (&xmlGetGlobalState()->"+fields[1]+");")
writeline(global_functions_impl, "}")
# set/get for per-thread global defaults
if fields[3]:
writeline(global_functions_impl,fields[0]+" "+fields[1][:3]+"ThrDef"+fields[1][3:]+"("+fields[0]+" v) {")
writeline(global_functions_impl," "+fields[0]+" ret;");
writeline(global_functions_impl," xmlMutexLock(xmlThrDefMutex);")
writeline(global_functions_impl," ret = "+fields[1][:3]+fields[1][3:]+"ThrDef;")
writeline(global_functions_impl," "+fields[1][:3]+fields[1][3:]+"ThrDef = v;")
writeline(global_functions_impl," xmlMutexUnlock(xmlThrDefMutex);")
writeline(global_functions_impl," return ret;")
writeline(global_functions_impl,"}")
# Terminate the header file with appropriate boilerplate
writeline(global_functions_hdr)
writeline(global_functions_hdr, "#ifdef __cplusplus")
writeline(global_functions_hdr, "}")
writeline(global_functions_hdr, "#endif")
writeline(global_functions_hdr)
writeline(global_functions_hdr, "#endif /* __XML_GLOBALS_H */")
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