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annotate src/luan/interp/SetStmt.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 a7c13c6017f7
children 5cf15507d77e
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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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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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3 import luan.Lua;
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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4 import luan.LuaState;
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5 import luan.LuaException;
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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8 final class SetStmt implements Stmt {
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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9 private final Settable[] vars;
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10 private final Expressions expressions;
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12 SetStmt(Settable var,Expr expr) {
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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13 this( new Settable[]{var}, new ExpList.SingleExpList(expr) );
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14 }
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16 SetStmt(Settable[] vars,Expressions expressions) {
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17 this.vars = vars;
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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18 this.expressions = expressions;
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19 }
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21 @Override public void eval(LuaState lua) throws LuaException {
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22 final Object[] vals = expressions.eval(lua);
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23 for( int i=0; i<vars.length; i++ ) {
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24 Object val = i < vals.length ? vals[i] : null;
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25 vars[i].set(lua,val);
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26 }
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27 }
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29 }