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annotate core/src/luan/impl/LuanCompiler.java @ 649:37f0cf43f191

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UnaryExpr now compiled
author Franklin Schmidt <fschmidt@gmail.com>
date Wed, 30 Mar 2016 22:42:27 -0600
parents cdc70de628b5
children 08966099aa6d
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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1 package luan.impl;
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3 import luan.LuanFunction;
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4 import luan.LuanState;
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5 import luan.LuanException;
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6 import luan.LuanTable;
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7 import luan.modules.JavaLuan;
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8 import luan.modules.PackageLuan;
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9 import java.util.Map;
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12 public final class LuanCompiler {
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13 private LuanCompiler() {} // never
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14
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15 public static LuanFunction compile(LuanState luan,String sourceName,String sourceText,LuanTable env,boolean allowExpr) throws LuanException {
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16 LuanParser parser = new LuanParser(sourceName,sourceText,env);
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17 parser.addVar( "java", JavaLuan.javaFn );
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18 parser.addVar( "require", PackageLuan.requireFn );
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19 FnDef fnDef = parse(parser,allowExpr);
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20 final LuanStateImpl luanImpl = (LuanStateImpl)luan;
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21 return new Closure(luanImpl,fnDef);
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22 }
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23
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24 private static FnDef parse(LuanParser parser,boolean allowExpr) throws LuanException {
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25 try {
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26 if( allowExpr ) {
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27 FnDef fnDef = parser.Expression();
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28 if( fnDef != null )
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29 return fnDef;
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30 }
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31 return parser.RequiredModule();
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32 } catch(ParseException e) {
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33 e.printStackTrace();
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34 throw new LuanException( e.getFancyMessage() );
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35 }
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36 }
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38 public static LuanState newLuanState() {
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39 return new LuanStateImpl();
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40 }
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41 }