Mercurial Hosting > luan
annotate src/luan/interp/GenericForStmt.java @ 109:219e05867366
remove NumericForStmt;
add BasicLib.range();
git-svn-id: https://luan-java.googlecode.com/svn/trunk@110 21e917c8-12df-6dd8-5cb6-c86387c605b9
author | fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9> |
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date | Fri, 23 May 2014 04:30:29 +0000 |
parents | 6ca02b188dba |
children | 2428ecfed375 |
rev | line source |
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19
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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1 package luan.interp; |
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2 |
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3 import luan.Luan; |
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4 import luan.LuanException; |
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5 import luan.LuanFunction; |
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6 import luan.LuanSource; |
109
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7 import luan.LuanBit; |
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8 |
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9 |
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10 final class GenericForStmt extends CodeImpl implements Stmt { |
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11 private final int iVars; |
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12 private final int nVars; |
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13 private final Expr iterExpr; |
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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14 private final Stmt block; |
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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15 |
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16 GenericForStmt(LuanSource.Element se,int iVars,int nVars,Expr iterExpr,Stmt block) { |
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17 super(se); |
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18 this.iVars = iVars; |
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19 this.nVars = nVars; |
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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20 this.iterExpr = iterExpr; |
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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21 this.block = block; |
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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22 } |
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23 |
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24 @Override public void eval(LuanStateImpl luan) throws LuanException { |
88
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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25 LuanFunction iter = luan.bit(se).checkFunction( iterExpr.eval(luan) ); |
109
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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26 LuanBit bit = luan.bit(iterExpr.se()); |
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parents:
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27 String name = iterExpr.se().text(); |
19
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28 try { |
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29 while(true) { |
109
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parents:
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30 Object[] vals = bit.call(iter,name); |
19
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31 if( vals.length==0 || vals[0]==null ) |
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32 break; |
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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33 for( int i=0; i<nVars; i++ ) { |
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34 luan.stackSet( iVars+i, i < vals.length ? vals[i] : null ); |
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35 } |
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36 block.eval(luan); |
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37 } |
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38 } catch(BreakException e) { |
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39 } finally { |
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40 luan.stackClear(iVars,iVars+nVars); |
19
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41 } |
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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42 } |
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parents:
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43 |
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44 } |