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annotate regexParser/generateSequentialSearch.cc @ 225:0c28ff35b4f0

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add generateSequentialSearch
author Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
date Fri, 15 Jan 2016 16:47:03 +0900
parents
children b4022ba23de5
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225
0c28ff35b4f0 add generateSequentialSearch
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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1 #include <stdio.h>
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Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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2
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Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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3 #include "generateSequentialSearch.h"
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Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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4 #include "subsetConstruction.h"
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5
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Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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6 void exportState(TransitionGeneratorPtr tg) {
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Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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7 StatePtr state = tg->stateList;
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Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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8 FILE *fp = fopen("state.cc","w");
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Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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9 fputs("unsigned char *buff, *buffptr, buffend;\n",fp);
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Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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10 fputs(
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Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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11 "void stateSkip() {\n"
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Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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12 " matchBegin = buffptr;\n"
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Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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13 " state1();\n"
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Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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14 "}\n"
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Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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15 "\n"
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Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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16 "void stateMatch() {\n"
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Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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17 " fwrite(matchBegin,buffptr-matchBegin,1,fp);\n"
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Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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18 " fputs(\"\\n\");\n"
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Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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19 " stateSkip();\n"
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Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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20 "}\n"
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Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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21 ,fp);
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Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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22 for (;state;state = state->next) {
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Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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23 fprintf(fp,"void state%lx();\n",state->bitState.bitContainer);
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24 }
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Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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25 fputs("\n",fp);
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26 for (;state;state = state->next) {
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27 fprintf(fp,"void state%lx() {\n",state->bitState.bitContainer);
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Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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28 if (state->bitState.bitContainer == 2) { // Accept
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Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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29 fputs(" // Accept\n",fp);
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Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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30 } else { // not Accept
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Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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31 fputs(" unsigned char c = *buffptr++;\n",fp);
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Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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32 CharClassWalkerPtr ccw = createCharClassWalker(state->cc);
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Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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33 bool flag = true;
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34 while (hasNext(ccw)) {
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Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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35 CharClassPtr cc = getNext(ccw);
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Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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36 unsigned long begin = cc->cond.range.begin;
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Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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37 unsigned long end = cc->cond.range.end;
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38 BitVector bi = cc->nextState;
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Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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39 if (flag) {
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40 flag = false;
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41 } else {
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Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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42 fputs(" else ",fp);
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Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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43 }
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Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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44 if (begin == end) {
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Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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45 fprintf(fp," if (c=='%c') state%lu();\n",(unsigned char)begin, bi.bitContainer);
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Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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46 } else {
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Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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47 fprintf(fp," if (c<'%c') state1();\n",(unsigned char)begin);
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48 fprintf(fp," else if (c<='%c') state%lu();\n",(unsigned char)end, bi.bitContainer);
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49 }
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50 }
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Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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51 if (state->bitState.bitContainer == 2) {
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Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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52 fprintf(fp," else stateMatch();\n");
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Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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53 } else {
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54 fprintf(fp," else stateSkip();\n");
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55 }
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56 }
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57 fputs("}\n\n",fp);
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58 }
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Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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59 fclose(fp);
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60 }