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annotate tests/agcl/parsifal/iaparams.syn @ 21:1c9dac05d040

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Add lint-style FALLTHROUGH annotations to fallthrough cases. (in the parse engine and thus the output code) Document this, because the old output causes warnings with gcc10.
author David A. Holland
date Mon, 13 Jun 2022 00:04:38 -0400
parents 13d2b8934445
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 {
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2 /* immed.syn */
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3 #include <stdio.h>
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4 }
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5
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6 [
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7 ~allow macros
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8 // header file name = "#.hs" // Output header name
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9 // parser file name = "#.cs" // Output c file
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10 ]
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11
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12 grammar
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13 -> whole number..., 'x'
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14
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15 (int)whole number
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16 -> number: n, ' ' = n;
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17
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18 (long) number
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19 -> = 0;
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20 -> number: n, !printf("(%ld)", n);, digit: i, !printf("(%d)", i); = i + 10*n;
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21 /* The printf on the preceding line complains that i is undefined */
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22
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23 (int)digit
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24 -> '0' = 0;
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25 -> '1' = 1;
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26 -> '2' = 2;
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27 -> '3' = 3;
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28 -> '4' = 4;
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29 -> '5' = 5;
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30 -> '6' = 6;
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31 -> '7' = 7;
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32 -> '8' = 8;
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33 -> '9' = 9;
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34
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35 { void main() { iaparams(); } }