| 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 | from __future__ import print_function
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| 7 | import sys
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| 8 |
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| 9 | def main():
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| 10 | name = sys.argv[1]
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| 11 | Name = sys.argv[2]
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| 12 |
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| 13 | print("""/* This code is AUTOGENERATED!!! */
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| 14 |
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| 15 | #include "state.h"
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| 16 | #include "state_internals.h\"""")
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| 17 |
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| 18 | print("""
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| 19 | void crState%(Name)sDiff(CR%(Name)sBits *b, CRbitvalue *bitID,
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| 20 | CRContext *fromCtx, CRContext *toCtx)
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| 21 | {
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| 22 | PCRStateTracker pState = fromCtx->pStateTracker;
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| 23 | CR%(Name)sState *from = &(fromCtx->%(name)s);
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| 24 | CR%(Name)sState *to = &(toCtx->%(name)s);"""%vars())
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| 25 | gendiffcode("state_%s.txt"%(name.lower()), name, docopy=1, doinvalid=0)
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| 26 | print("""}
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| 27 |
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| 28 | void crState%(Name)sSwitch(CR%(Name)sBits *b, CRbitvalue *bitID,
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| 29 | CRContext *fromCtx, CRContext *toCtx)
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| 30 | {
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| 31 | PCRStateTracker pState = fromCtx->pStateTracker;
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| 32 | CR%(Name)sState *from = &(fromCtx->%(name)s);
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| 33 | CR%(Name)sState *to = &(toCtx->%(name)s);"""%vars())
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| 34 | gendiffcode("state_%s.txt"%(Name.lower()), Name, docopy=0, doinvalid=1)
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| 35 | print("}\n")
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| 36 |
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| 37 | def gendiffcode(fname, state_name, docopy, doinvalid):
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| 38 | target = "to"
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| 39 | current = "from"
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| 40 | bit = "b"
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| 41 | extrabit = ""
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| 42 | tab = "\t"
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| 43 | current_guard = ""
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| 44 | current_dependency = ""
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| 45 |
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| 46 | v_types = {
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| 47 | 'l': 'GLboolean',
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| 48 | 'b': 'GLbyte',
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| 49 | 'ub': 'GLubyte',
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| 50 | 's': 'GLshort',
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| 51 | 'us': 'GLushort',
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| 52 | 'i': 'GLint',
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| 53 | 'ui': 'GLuint',
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| 54 | 'f': 'GLfloat',
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| 55 | 'd': 'GLdouble'
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| 56 | }
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| 57 |
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| 58 | FILE = open(sys.argv[3]+"/"+fname, "r")
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| 59 |
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| 60 | print(""" unsigned int j, i;
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| 61 | CRbitvalue nbitID[CR_MAX_BITARRAY];
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| 62 | CRASSERT(fromCtx->pStateTracker == toCtx->pStateTracker);
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| 63 | for (j = 0; j<CR_MAX_BITARRAY; j++)
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| 64 | nbitID[j] = ~bitID[j];
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| 65 | i = 0; /* silence compiler */""")
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| 66 |
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| 67 | import re
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| 68 | for line in FILE:
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| 69 | line = line.rstrip()
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| 70 |
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| 71 | if re.match("#", line):
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| 72 | continue
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| 73 |
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| 74 | ## Handle text dump
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| 75 | m = re.match("\+(.*)", line)
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| 76 | if m:
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| 77 | if doinvalid:
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| 78 | continue
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| 79 | line = m.group(1)
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| 80 |
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| 81 | else:
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| 82 | m = re.match("-(.*)", line)
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| 83 | if m:
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| 84 | if docopy:
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| 85 | continue
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| 86 | line = m.group(1)
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| 87 |
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| 88 | m = re.match(">(.*)", line)
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| 89 | if m:
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| 90 | text = m.group(1)
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| 91 | if re.search("}", line):
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| 92 | tab = tab[:-1]
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| 93 | print(tab+text)
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| 94 | if re.search("{", line):
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| 95 | tab = tab+"\t"
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| 96 | continue
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| 97 |
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| 98 | ## Handle commands
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| 99 |
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| 100 | m = re.search("%target=(\w*)", line)
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| 101 | if m:
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| 102 | target = m.group(1)
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| 103 | m = re.search("%current=(\w*)", line)
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| 104 | if m:
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| 105 | current = m.group(1)
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| 106 | m = re.search("%bit=(\w*)", line)
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| 107 | if m:
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| 108 | bit = m.group(1)
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| 109 | m = re.search("%extrabit=(\w*)", line)
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| 110 | if m:
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| 111 | extrabit = m.group(1)
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| 112 |
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| 113 | if re.search("%flush", line):
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| 114 | if current_guard != "":
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| 115 | print(tab+"CLEARDIRTY(%(bit)s->%(current_guard)s, nbitID);"%vars())
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| 116 | tab = tab[:-1]
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| 117 | print(tab+"}")
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| 118 | if docopy and current_dependency != "":
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| 119 | tab = tab[:-1]
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| 120 | print(tab+"}")
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| 121 | current_guard = ""
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| 122 | current_dependency = ""
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| 123 | if re.search("%", line):
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| 124 | continue
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| 125 |
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| 126 | ## Load the line
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| 127 | (dependency, guardbit, members, func) = \
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| 128 | (re.split(":", line) + ["", ""])[0:4]
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| 129 | func = func.rstrip()
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| 130 |
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| 131 | ## Close the guardbit and dependency
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| 132 | if current_guard != "" and current_guard != guardbit:
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| 133 | print(tab+"CLEARDIRTY(%(bit)s->%(current_guard)s, nbitID);"%vars())
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| 134 | tab = tab[:-1]
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| 135 | print(tab+"}")
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| 136 | if docopy and current_dependency != "" and current_dependency != dependency:
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| 137 | tab = tab[:-1]
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| 138 | print(tab+"}")
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| 139 |
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| 140 | ## Open the dependency if
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| 141 | if docopy and current_dependency != dependency and dependency != "":
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| 142 | print(tab+"if (%(target)s->%(dependency)s)\n%(tab)s{"%vars())
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| 143 | tab = tab+"\t"
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| 144 | current_dependency = dependency
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| 145 |
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| 146 | ## Open the guard if
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| 147 | if docopy and current_dependency != dependency and dependency != "":
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| 148 | print(tab+"if ($(target)s->%(dependency)s)\n%(tab)s{"%vars())
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| 149 | tab = tab+"\t"
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| 150 |
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| 151 | if current_guard != guardbit and guardbit != "":
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| 152 | print(tab+"if (CHECKDIRTY(%(bit)s->%(guardbit)s, bitID))\n%(tab)s{"%vars())
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| 153 | tab = tab+"\t"
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| 154 | if members[0] != "*" and guardbit[0:6] == "enable":
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| 155 | print(tab+"glAble able[2];")
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| 156 | print(tab+"able[0] = pState->diff_api.Disable;")
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| 157 | print(tab+"able[1] = pState->diff_api.Enable;")
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| 158 |
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| 159 | current_dependency = dependency
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| 160 | current_guard = guardbit
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| 161 |
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| 162 | ## Handle text dump
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| 163 | if members[0] == "*":
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| 164 | print(tab+members[1:])
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| 165 | else:
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| 166 | ## Parse the members variable
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| 167 | mainelem = re.split(",", members)
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| 168 | elems = re.split("\|", members)
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| 169 | if len(elems) > 1:
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| 170 | mainelem = [""]
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| 171 | mainelem[0] = elems[0]
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| 172 | elems = re.split(",", elems[1])
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| 173 | newelems = []
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| 174 | for elem in elems:
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| 175 | elem = mainelem[0] + "." + elem
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| 176 | newelems += [elem]
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| 177 | elems = newelems
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| 178 | else:
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| 179 | elems = re.split(",", members)
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| 180 |
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| 181 | ## Check member values
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| 182 | if guardbit != "extensions":
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| 183 | sys.stdout.write(tab+"if (")
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| 184 | first = 1
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| 185 | for elem in elems:
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| 186 | if first != 1:
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| 187 | print(" ||\n"+tab+" ", end="")
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| 188 | first = 0
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| 189 | sys.stdout.write("%(current)s->%(elem)s != %(target)s->%(elem)s"%vars())
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| 190 | print(")\n"+tab+"{")
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| 191 | tab = tab+"\t"
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| 192 |
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| 193 | ## Handle text function
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| 194 | if func[0] == "*":
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| 195 | func = func[1:]
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| 196 | print(tab+func)
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| 197 | else:
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| 198 | if func != "":
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| 199 | ## Call the glhw function
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| 200 | if guardbit[0:6] == "enable":
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| 201 | print(tab+"able["+target+"->"+elems[0]+"]("+func+");")
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| 202 | elif guardbit == "extensions":
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| 203 | print(tab+"crState$state_name",end="")
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| 204 | if docopy == 1:
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| 205 | print("Diff",end="")
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| 206 | else:
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| 207 | print("Switch",end="")
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| 208 | print("Extensions(from, to);")
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| 209 | else:
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| 210 | funcargs = re.split(",", func)
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| 211 | #print "// funcargs:",funcargs
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| 212 | func = funcargs.pop(0)
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| 213 |
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| 214 | if func[-1] == "v":
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| 215 | v_type = func[-2:-1]
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| 216 | num_elems = len(elems)
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| 217 | print(tab+v_types[v_type]+" varg["+str(num_elems)+"];")
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| 218 | i = 0
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| 219 | for elem in elems:
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| 220 | print(tab+"varg["+str(i)+"] = "+target+"->"+elem+";")
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| 221 | i += 1
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| 222 | elif func[-3:] == "vNV":
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| 223 | v_type = func[-4:-3]
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| 224 | num_elems = len(elems)
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| 225 | print(tab+v_types[v_type]+" varg["+str(num_elems)+"];")
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| 226 | i = 0
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| 227 | for elem in elems:
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| 228 | print(tab+"varg["+str(i)+"] = "+target+"->"+elem+";")
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| 229 | i += 1
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| 230 |
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| 231 | sys.stdout.write(tab+"pState->diff_api.%(func)s("%vars())
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| 232 | for funcarg in funcargs:
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| 233 | sys.stdout.write(funcarg+", ")
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| 234 |
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| 235 | ## Handle vargs
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| 236 | if func[-1] == "v" or func[-3:] == "vNV":
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| 237 | sys.stdout.write("varg")
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| 238 | else:
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| 239 | first = 1
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| 240 | for elem in elems:
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| 241 | if first != 1:
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| 242 | sys.stdout.write(",\n"+tab+" ")
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| 243 | first = 0
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| 244 | sys.stdout.write(target+"->"+elem)
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| 245 | print(");")
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| 246 |
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| 247 | ## Do the sync if necessary
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| 248 | if docopy and guardbit != "extensions":
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| 249 | for elem in mainelem:
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| 250 | print(tab+current+"->"+elem+" = "+target+"->"+elem+";")
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| 251 |
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| 252 | ## Do the clear if necessary
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| 253 | if doinvalid:
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| 254 | if guardbit != "":
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| 255 | print(tab+"FILLDIRTY(%(bit)s->%(guardbit)s);"%vars())
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| 256 | print(tab+"FILLDIRTY(%(bit)s->dirty);"%vars())
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| 257 | if extrabit != "":
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| 258 | print(tab+"FILLDIRTY(%(extrabit)s->dirty);"%vars())
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| 259 |
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| 260 | ## Close the compare
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| 261 | if guardbit != "extensions":
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| 262 | tab = tab[:-1]
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| 263 | print(tab+"}")
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| 264 |
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| 265 | ## Do final closures
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| 266 | if current_guard != "":
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| 267 | print(tab+"CLEARDIRTY(%(bit)s->%(current_guard)s, nbitID);"%vars())
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| 268 | tab = tab[:-1]
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| 269 | print(tab+"}")
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| 270 | if docopy and current_dependency != "":
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| 271 | tab = tab[:-1]
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| 272 | print(tab+"} /*%(current_dependency)s*/"%vars())
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| 273 |
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| 274 | print(tab+"CLEARDIRTY(%(bit)s->dirty, nbitID);"%vars())
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| 275 |
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| 276 | main()
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