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annotate tests/agcl/parsifal/pex1.syn @ 20:bb115deb6fb2

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Improve agfiles rule. (1) It didn't depend on $(AGCL) and it absolutely should have. (2) allow AGFORCE=1 to make it rebuild whether or not it looks out of date. (3) Document this.
author David A. Holland
date Mon, 13 Jun 2022 00:02:15 -0400
parents 13d2b8934445
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 [
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2 case sensitive = off
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3 disregard white space
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4 ]
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5
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6 space = ' ' + '\t'
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7
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8 white space
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9 -> space
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10 -> comment
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11
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12 while head
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13 -> "!while" =whileConditionPointer= PCB.pointer;
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14
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15 while terminator
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16 -> "!endw" | "!endwhile"
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17
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18 while body text
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19 -> [~eof - space, ~eof?...], while body terminator =whileCompletePointer = PCB.pointer, PCB.pointer = whileConditionPointer;
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20
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21 true while condition, false while condition
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22 -> expression:x ={
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23 if (x) return;
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24 CHANGE_REDUCTION(true_while_condition);
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25 PCB.pointer = whileCompletePointer;
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26 }
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27
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28 while loop $
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29 -> while head, while body text, while iteration?..., false while condition
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31 while iteration
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32 -> true while condition, while body, while body terminator =PCB.pointer = whileConditionPointer;