| 1 | # Copyright (c) 2001, Stanford University
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| 2 | # All rights reserved.
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| 3 | #
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| 4 | # See the file LICENSE.txt for information on redistributing this software
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| 5 |
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| 6 | import sys
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| 7 |
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| 8 | def main():
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| 9 | name = sys.argv[1]
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| 10 | Name = sys.argv[2]
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| 11 |
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| 12 | print """/* This code is AUTOGENERATED!!! */
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| 13 |
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| 14 | #include "state.h"
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| 15 | #include "state_internals.h\""""
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| 16 |
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| 17 | print """
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| 18 | void crState%(Name)sDiff(CR%(Name)sBits *b, CRbitvalue *bitID,
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| 19 | CRContext *fromCtx, CRContext *toCtx)
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| 20 | {
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| 21 | CR%(Name)sState *from = &(fromCtx->%(name)s);
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| 22 | CR%(Name)sState *to = &(toCtx->%(name)s);"""%vars()
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| 23 | gendiffcode("state_%s.txt"%(name.lower()), name, docopy=1, doinvalid=0)
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| 24 | print """}
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| 25 |
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| 26 | void crState%(Name)sSwitch(CR%(Name)sBits *b, CRbitvalue *bitID,
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| 27 | CRContext *fromCtx, CRContext *toCtx)
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| 28 | {
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| 29 | CR%(Name)sState *from = &(fromCtx->%(name)s);
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| 30 | CR%(Name)sState *to = &(toCtx->%(name)s);"""%vars()
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| 31 | gendiffcode("state_%s.txt"%(Name.lower()), Name, docopy=0, doinvalid=1)
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| 32 | print "}\n"
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| 33 |
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| 34 | def gendiffcode(fname, state_name, docopy, doinvalid):
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| 35 | target = "to"
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| 36 | current = "from"
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| 37 | bit = "b"
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| 38 | extrabit = ""
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| 39 | tab = "\t"
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| 40 | current_guard = ""
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| 41 | current_dependency = ""
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| 42 |
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| 43 | v_types = {
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| 44 | 'l': 'GLboolean',
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| 45 | 'b': 'GLbyte',
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| 46 | 'ub': 'GLubyte',
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| 47 | 's': 'GLshort',
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| 48 | 'us': 'GLushort',
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| 49 | 'i': 'GLint',
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| 50 | 'ui': 'GLuint',
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| 51 | 'f': 'GLfloat',
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| 52 | 'd': 'GLdouble'
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| 53 | }
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| 54 |
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| 55 | FILE = open(sys.argv[3]+"/"+fname, "r")
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| 56 |
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| 57 | print """ unsigned int j, i;
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| 58 | CRbitvalue nbitID[CR_MAX_BITARRAY];
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| 59 | for (j=0;j<CR_MAX_BITARRAY;j++)
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| 60 | nbitID[j] = ~bitID[j];
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| 61 | i = 0; /* silence compiler */"""
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| 62 |
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| 63 | import re
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| 64 | for line in FILE.xreadlines():
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| 65 | line = line.rstrip()
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| 66 |
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| 67 | if re.match("#", line):
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| 68 | continue
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| 69 |
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| 70 | ## Handle text dump
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| 71 | m = re.match("\+(.*)", line)
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| 72 | if m:
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| 73 | if doinvalid:
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| 74 | continue
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| 75 | line = m.group(1)
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| 76 |
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| 77 | else:
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| 78 | m = re.match("-(.*)", line)
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| 79 | if m:
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| 80 | if docopy:
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| 81 | continue
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| 82 | line = m.group(1)
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| 83 |
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| 84 | m = re.match(">(.*)", line)
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| 85 | if m:
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| 86 | text = m.group(1)
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| 87 | if re.search("}", line):
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| 88 | tab = tab[:-1]
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| 89 | print tab+text
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| 90 | if re.search("{", line):
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| 91 | tab = tab+"\t"
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| 92 | continue
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| 93 |
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| 94 | ## Handle commands
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| 95 |
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| 96 | m = re.search("%target=(\w*)", line)
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| 97 | if m:
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| 98 | target = m.group(1)
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| 99 | m = re.search("%current=(\w*)", line)
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| 100 | if m:
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| 101 | current = m.group(1)
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| 102 | m = re.search("%bit=(\w*)", line)
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| 103 | if m:
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| 104 | bit = m.group(1)
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| 105 | m = re.search("%extrabit=(\w*)", line)
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| 106 | if m:
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| 107 | extrabit = m.group(1)
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| 108 |
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| 109 | if re.search("%flush", line):
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| 110 | if current_guard != "":
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| 111 | print tab+"CLEARDIRTY(%(bit)s->%(current_guard)s, nbitID);"%vars()
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| 112 | tab = tab[:-1]
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| 113 | print tab+"}"
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| 114 | if docopy and current_dependency != "":
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| 115 | tab = tab[:-1]
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| 116 | print tab+"}"
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| 117 | current_guard = ""
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| 118 | current_dependency = ""
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| 119 | if re.search("%", line):
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| 120 | continue
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| 121 |
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| 122 | ## Load the line
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| 123 | (dependency, guardbit, members, func) = \
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| 124 | (re.split(":", line) + ["", ""])[0:4]
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| 125 | func = func.rstrip()
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| 126 |
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| 127 | ## Close the guardbit and dependency
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| 128 | if current_guard != "" and current_guard != guardbit:
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| 129 | print tab+"CLEARDIRTY(%(bit)s->%(current_guard)s, nbitID);"%vars()
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| 130 | tab = tab[:-1]
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| 131 | print tab+"}"
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| 132 | if docopy and current_dependency != "" and current_dependency != dependency:
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| 133 | tab = tab[:-1]
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| 134 | print tab+"}"
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| 135 |
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| 136 | ## Open the dependency if
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| 137 | if docopy and current_dependency != dependency and dependency != "":
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| 138 | print tab+"if (%(target)s->%(dependency)s)\n%(tab)s{"%vars()
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| 139 | tab = tab+"\t"
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| 140 | current_dependency = dependency
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| 141 |
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| 142 | ## Open the guard if
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| 143 | if docopy and current_dependency != dependency and dependency != "":
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| 144 | print tab+"if ($(target)s->%(dependency)s)\n%(tab)s{"%vars()
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| 145 | tab = tab+"\t"
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| 146 |
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| 147 | if current_guard != guardbit and guardbit != "":
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| 148 | print tab+"if (CHECKDIRTY(%(bit)s->%(guardbit)s, bitID))\n%(tab)s{"%vars()
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| 149 | tab = tab+"\t"
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| 150 | if members[0] != "*" and guardbit[0:6] == "enable":
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| 151 | print tab+"glAble able[2];"
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| 152 | print tab+"able[0] = diff_api.Disable;"
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| 153 | print tab+"able[1] = diff_api.Enable;"
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| 154 |
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| 155 | current_dependency = dependency
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| 156 | current_guard = guardbit
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| 157 |
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| 158 | ## Handle text dump
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| 159 | if members[0] == "*":
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| 160 | print tab+members[1:]
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| 161 | else:
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| 162 | ## Parse the members variable
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| 163 | mainelem = re.split(",", members)
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| 164 | elems = re.split("\|", members)
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| 165 | if len(elems) > 1:
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| 166 | mainelem = [""]
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| 167 | mainelem[0] = elems[0]
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| 168 | elems = re.split(",", elems[1])
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| 169 | newelems = []
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| 170 | for elem in elems:
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| 171 | elem = mainelem[0] + "." + elem
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| 172 | newelems += [elem]
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| 173 | elems = newelems
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| 174 | else:
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| 175 | elems = re.split(",", members)
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| 176 |
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| 177 | ## Check member values
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| 178 | if guardbit != "extensions":
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| 179 | sys.stdout.write(tab+"if (")
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| 180 | first = 1
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| 181 | for elem in elems:
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| 182 | if first != 1:
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| 183 | print " ||\n"+tab+" ",
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| 184 | first = 0
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| 185 | sys.stdout.write("%(current)s->%(elem)s != %(target)s->%(elem)s"%vars())
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| 186 | print ")\n"+tab+"{"
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| 187 | tab = tab+"\t"
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| 188 |
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| 189 | ## Handle text function
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| 190 | if func[0] == "*":
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| 191 | func = func[1:]
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| 192 | print tab+func
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| 193 | else:
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| 194 | if func != "":
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| 195 | ## Call the glhw function
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| 196 | if guardbit[0:6] == "enable":
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| 197 | print tab+"able["+target+"->"+elems[0]+"]("+func+");"
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| 198 | elif guardbit == "extensions":
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| 199 | print tab+"crState$state_name",
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| 200 | if docopy == 1:
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| 201 | print "Diff",
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| 202 | else:
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| 203 | print "Switch",
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| 204 | print "Extensions( from, to );"
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| 205 | else:
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| 206 | funcargs = re.split(",", func)
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| 207 | #print "// funcargs:",funcargs
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| 208 | func = funcargs.pop(0)
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| 209 |
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| 210 | if func[-1] == "v":
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| 211 | v_type = func[-2:-1]
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| 212 | num_elems = len(elems)
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| 213 | print tab+v_types[v_type]+" varg["+str(num_elems)+"];"
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| 214 | i = 0
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| 215 | for elem in elems:
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| 216 | print tab+"varg["+str(i)+"] = "+target+"->"+elem+";"
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| 217 | i += 1
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| 218 | elif func[-3:] == "vNV":
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| 219 | v_type = func[-4:-3]
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| 220 | num_elems = len(elems)
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| 221 | print tab+v_types[v_type]+" varg["+str(num_elems)+"];"
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| 222 | i = 0
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| 223 | for elem in elems:
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| 224 | print tab+"varg["+str(i)+"] = "+target+"->"+elem+";"
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| 225 | i += 1
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| 226 |
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| 227 | sys.stdout.write(tab+"diff_api.%(func)s ("%vars())
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| 228 | for funcarg in funcargs:
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| 229 | sys.stdout.write(funcarg+", ")
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| 230 |
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| 231 | ## Handle vargs
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| 232 | if func[-1] == "v" or func[-3:] == "vNV":
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| 233 | sys.stdout.write("varg")
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| 234 | else:
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| 235 | first = 1
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| 236 | for elem in elems:
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| 237 | if first != 1:
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| 238 | sys.stdout.write(",\n"+tab+" ")
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| 239 | first = 0
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| 240 | sys.stdout.write(target+"->"+elem)
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| 241 | print ");"
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| 242 |
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| 243 | ## Do the sync if necessary
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| 244 | if docopy and guardbit != "extensions":
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| 245 | for elem in mainelem:
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| 246 | print tab+current+"->"+elem+" = "+target+"->"+elem+";"
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| 247 |
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| 248 | ## Do the clear if necessary
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| 249 | if doinvalid:
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| 250 | if guardbit != "":
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| 251 | print tab+"FILLDIRTY(%(bit)s->%(guardbit)s);"%vars()
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| 252 | print tab+"FILLDIRTY(%(bit)s->dirty);"%vars()
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| 253 | if extrabit != "":
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| 254 | print tab+"FILLDIRTY(%(extrabit)s->dirty);"%vars()
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| 255 |
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| 256 | ## Close the compare
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| 257 | if guardbit != "extensions":
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| 258 | tab = tab[:-1]
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| 259 | print tab+"}"
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| 260 |
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| 261 | ## Do final closures
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| 262 | if current_guard != "":
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| 263 | print tab+"CLEARDIRTY(%(bit)s->%(current_guard)s, nbitID);"%vars()
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| 264 | tab = tab[:-1]
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| 265 | print tab+"}"
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| 266 | if docopy and current_dependency != "":
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| 267 | tab = tab[:-1]
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| 268 | print tab+"} /*%(current_dependency)s*/"%vars()
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| 269 |
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| 270 | print tab+"CLEARDIRTY(%(bit)s->dirty, nbitID);"%vars()
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| 271 |
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| 272 | main()
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