| 1 | #! /usr/bin/env python
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| 2 | ###
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| 3 | #
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| 4 | # build_glob.py : Build the global_functions.h and global_functions.c
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| 5 | # files which are required to implement the user
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| 6 | # interface to global variables now that thread specific
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| 7 | # data (TSD) is used to emulate global state.
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| 8 | #
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| 9 | # See Copyright for the status of this software.
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| 10 | # Gary.Pennington@sun.com
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| 11 | ###
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| 12 | import os, string
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| 13 |
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| 14 | class globvar:
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| 15 | def __init__(self, type, name):
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| 16 | self.type=type
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| 17 | self.name=name
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| 18 |
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| 19 | def striplinesep(line):
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| 20 | while line and line[-1] in ('\r','\n'):
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| 21 | line = line[:-1]
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| 22 | return line
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| 23 |
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| 24 | def writeline(file, line=None):
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| 25 | if line:
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| 26 | file.write(line)
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| 27 | file.write("\n")
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| 28 |
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| 29 | if __name__ == "__main__":
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| 30 | globals={}
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| 31 | global_data=open("global.data").readlines()
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| 32 | global_code=open("globals.c").readlines()
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| 33 | global_hdr=open("include/libxml/globals.h").readlines()
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| 34 | global_functions_hdr=open("include/libxml/globals.h", "w+")
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| 35 | global_functions_impl=open("globals.c", "w+")
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| 36 |
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| 37 | #
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| 38 | # Rebuild the beginning of the file up to the
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| 39 | # Automatically generated string
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| 40 | #
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| 41 | for line in global_hdr:
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| 42 | line = striplinesep(line)
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| 43 | if line == " * Automatically generated by build_glob.py.":
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| 44 | break
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| 45 | writeline(global_functions_hdr, line)
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| 46 |
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| 47 | writeline(global_functions_hdr, " * Automatically generated by build_glob.py.")
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| 48 | writeline(global_functions_hdr, " * Do not modify the previous line.")
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| 49 | writeline(global_functions_hdr, " */")
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| 50 | writeline(global_functions_hdr)
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| 51 |
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| 52 | for line in global_code:
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| 53 | line = striplinesep(line)
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| 54 | if line == " * Automatically generated by build_glob.py.":
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| 55 | break
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| 56 | writeline(global_functions_impl, line)
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| 57 |
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| 58 | writeline(global_functions_impl, " * Automatically generated by build_glob.py.")
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| 59 | writeline(global_functions_impl, " * Do not modify the previous line.")
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| 60 | writeline(global_functions_impl, " */")
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| 61 | writeline(global_functions_impl)
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| 62 |
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| 63 | # Now process the data and write it to the appropriate output file
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| 64 | for line in global_data:
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| 65 | if line[0]=='#':
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| 66 | continue
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| 67 | line = striplinesep(line)
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| 68 | fields = string.split(line, ",")
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| 69 | # Update the header file
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| 70 | writeline(global_functions_hdr)
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| 71 | global_functions_hdr.write("extern "+fields[0]+" *")
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| 72 | if fields[2]:
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| 73 | global_functions_hdr.write("(*")
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| 74 | global_functions_hdr.write("__"+fields[1]+"(void)")
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| 75 | if fields[2]:
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| 76 | global_functions_hdr.write(")"+fields[2])
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| 77 | writeline(global_functions_hdr,";")
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| 78 | writeline(global_functions_hdr, "#ifdef LIBXML_THREAD_ENABLED")
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| 79 | writeline(global_functions_hdr,"#define "+fields[1]+" \\")
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| 80 | writeline(global_functions_hdr,"(*(__"+fields[1]+"()))")
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| 81 | writeline(global_functions_hdr,"#else")
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| 82 | if fields[2]:
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| 83 | writeline(global_functions_hdr,"LIBXML_DLL_IMPORT extern "+fields[0]+" "+fields[1]+fields[2]+";")
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| 84 | else:
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| 85 | writeline(global_functions_hdr,"LIBXML_DLL_IMPORT extern "+fields[0]+" "+fields[1]+";")
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| 86 | writeline(global_functions_hdr,"#endif")
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| 87 | # set/get for per-thread global defaults
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| 88 | if fields[3]:
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| 89 | writeline(global_functions_hdr,fields[0]+" "+fields[1][:3]+"ThrDef"+fields[1][3:]+"("+fields[0]+" v);")
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| 90 | # Update the implementation file
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| 91 | writeline(global_functions_impl)
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| 92 | # writeline(global_functions_impl, "extern "+fields[0]+" "+fields[1]+";")
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| 93 | writeline(global_functions_impl, "#undef\t"+fields[1])
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| 94 | writeline(global_functions_impl, fields[0]+" *")
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| 95 | if fields[2]:
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| 96 | global_functions_impl.write("(*")
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| 97 | global_functions_impl.write("__"+fields[1]+"(void)")
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| 98 | if fields[2]:
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| 99 | writeline(global_functions_impl, ")[]")
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| 100 | writeline(global_functions_impl, " {")
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| 101 | writeline(global_functions_impl, " if (IS_MAIN_THREAD)")
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| 102 | writeline(global_functions_impl, "\treturn (&"+fields[1]+");")
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| 103 | writeline(global_functions_impl, " else")
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| 104 | writeline(global_functions_impl, "\treturn (&xmlGetGlobalState()->"+fields[1]+");")
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| 105 | writeline(global_functions_impl, "}")
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| 106 | # set/get for per-thread global defaults
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| 107 | if fields[3]:
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| 108 | writeline(global_functions_impl,fields[0]+" "+fields[1][:3]+"ThrDef"+fields[1][3:]+"("+fields[0]+" v) {")
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| 109 | writeline(global_functions_impl," "+fields[0]+" ret;");
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| 110 | writeline(global_functions_impl," xmlMutexLock(xmlThrDefMutex);")
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| 111 | writeline(global_functions_impl," ret = "+fields[1][:3]+fields[1][3:]+"ThrDef;")
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| 112 | writeline(global_functions_impl," "+fields[1][:3]+fields[1][3:]+"ThrDef = v;")
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| 113 | writeline(global_functions_impl," xmlMutexUnlock(xmlThrDefMutex);")
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| 114 | writeline(global_functions_impl," return ret;")
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| 115 | writeline(global_functions_impl,"}")
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| 116 | # Terminate the header file with appropriate boilerplate
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| 117 | writeline(global_functions_hdr)
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| 118 | writeline(global_functions_hdr, "#ifdef __cplusplus")
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| 119 | writeline(global_functions_hdr, "}")
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| 120 | writeline(global_functions_hdr, "#endif")
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| 121 | writeline(global_functions_hdr)
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| 122 | writeline(global_functions_hdr, "#endif /* __XML_GLOBALS_H */")
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