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annotate src/luan/interp/Chunk.java @ 21:c93d8c781853

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add functions git-svn-id: https://luan-java.googlecode.com/svn/trunk@22 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Tue, 04 Dec 2012 09:16:03 +0000
parents 09d41f7490a8
children 2446c1755d9b
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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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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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3 import luan.LuaState;
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4 import luan.LuaException;
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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5 import luan.LuaClosure;
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8 public final class Chunk implements Expr {
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9 public final Stmt block;
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10 public final int stackSize;
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11 public final int numArgs;
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13 Chunk(Stmt block,int stackSize,int numArgs) {
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14 this.block = block;
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15 this.stackSize = stackSize;
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16 this.numArgs = numArgs;
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17 Stmt stmt = block;
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18 while( stmt instanceof Block ) {
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19 Block b = (Block)stmt;
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20 if( b.stmts.length==0 )
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21 break;
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22 stmt = b.stmts[b.stmts.length-1];
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23 }
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24 if( stmt instanceof ReturnStmt ) {
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25 ReturnStmt rs = (ReturnStmt)stmt;
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26 rs.throwReturnException = false;
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27 }
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28 }
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30 public LuaClosure newClosure(LuaState lua) {
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31 return new LuaClosure(this,lua);
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32 }
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34 @Override public Object eval(LuaState lua) {
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35 return newClosure(lua);
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36 }
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38 }