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annotate anagram/agcore/engdef.cpp @ 0:13d2b8934445

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Import AnaGram (near-)release tree into Mercurial.
author David A. Holland
date Sat, 22 Dec 2007 17:52:45 -0500
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1 /*
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2 * AnaGram, A System for Syntax Directed Programming
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3 * Copyright 2006 David A. Holland. All Rights Reserved.
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4 * See the file COPYING for license and usage terms.
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5 *
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6 * engdef.cpp - engine definition file
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7 *
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8 * This file obsoletes the external AnaGram.cgb file found
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9 * in older versions of AnaGram.
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10 */
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11
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12 #include <stdlib.h>
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13 #include <string.h>
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14 #include "port.h" // for OPTLINK
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15
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16 #include "engdef.h"
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17
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18 //#define INCLUDE_LOGGING
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19 #include "log.h"
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20
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21
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22 #include "engine.h"
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23
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24
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25 static int OPTLINK cgtable_sort(const void *ventrya, const void *ventryb) {
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26 const cgentry *entrya = (const cgentry *)ventrya;
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27 const cgentry *entryb = (const cgentry *)ventryb;
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28 return strcmp(entrya->name, entryb->name);
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29 }
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30
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31 static int OPTLINK cgtable_search(const void *vkey, const void *ventryb) {
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32 const char *key = (const char *)vkey;
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33 const cgentry *entryb = (const cgentry *)ventryb;
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34 return strcmp(key, entryb->name);
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35 }
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36
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37 void engdef_init(void) {
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38 LOGSECTION("engdef_init");
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39 qsort(cgtable, cgtablenum, sizeof(cgtable[0]), cgtable_sort);
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40 }
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41
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42 const char *engdef_get(const char *key) {
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43 const void *ventry;
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44 const cgentry *entry;
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45 ventry = bsearch(key, cgtable, cgtablenum, sizeof(cgtable[0]),
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46 cgtable_search);
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47 if (!ventry) {
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48 //fprintf(stderr, "warning: cgb key <%s> not found\n", key);
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49 return "";
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50 }
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51 entry = (const cgentry *)ventry;
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52 return entry->data;
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53 }