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annotate src/luan/interp/FnDef.java @ 86:6db8f286fa6c

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_ENV is per module, not global git-svn-id: https://luan-java.googlecode.com/svn/trunk@87 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Wed, 27 Feb 2013 08:03:51 +0000
parents src/luan/interp/Chunk.java@8ede219cd111
children
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1 package luan.interp;
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3 import luan.LuanException;
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4 import luan.LuanSource;
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7 final class FnDef extends CodeImpl implements Expr {
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8 final Stmt block;
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9 final int stackSize;
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10 final int numArgs;
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11 final boolean isVarArg;
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12 final UpValue.Getter[] upValueGetters;
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14 FnDef(LuanSource.Element se,Stmt block,int stackSize,int numArgs,boolean isVarArg,UpValue.Getter[] upValueGetters) {
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15 super(se);
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16 this.block = block;
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17 this.stackSize = stackSize;
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18 this.numArgs = numArgs;
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19 this.isVarArg = isVarArg;
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20 this.upValueGetters = upValueGetters;
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21 fixReturns(block);
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22 }
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24 private static void fixReturns(Stmt stmt) {
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25 if( stmt instanceof ReturnStmt ) {
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26 ReturnStmt rs = (ReturnStmt)stmt;
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27 rs.throwReturnException = false;
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28 } else if( stmt instanceof Block ) {
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29 Block b = (Block)stmt;
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30 fixReturns( b.stmts[b.stmts.length-1] );
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31 } else if( stmt instanceof IfStmt ) {
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32 IfStmt is = (IfStmt)stmt;
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33 fixReturns( is.thenStmt );
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34 fixReturns( is.elseStmt );
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35 }
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36 }
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38 @Override public Object eval(LuanStateImpl luan) throws LuanException {
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39 return new Closure(luan,this);
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40 }
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42 }