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annotate core/src/luan/impl/LuanCompiler.java @ 694:b620b8e1010f

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remove Luan.load() allow_expression param and add Luan.eval()
author Franklin Schmidt <fschmidt@gmail.com>
date Wed, 20 Apr 2016 20:56:08 -0600
parents 5b9c7f8529ee
children 6e6e9e73abaa
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diff changeset
1 package luan.impl;
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2
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3 import java.util.Map;
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4 import java.lang.reflect.InvocationTargetException;
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5 import luan.LuanFunction;
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6 import luan.LuanState;
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7 import luan.LuanException;
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8 import luan.LuanTable;
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9 import luan.LuanJava;
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10 import luan.modules.JavaLuan;
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11 import luan.modules.PackageLuan;
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14 public final class LuanCompiler {
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15 private LuanCompiler() {} // never
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16
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17 public static LuanFunction compile(String sourceText,String sourceName,LuanTable env) throws LuanException {
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18 LuanParser parser = new LuanParser(sourceText,sourceName);
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19 parser.addVar( "java" );
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20 parser.addVar( "require" );
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21 if( env != null ) parser.addVar( "_ENV" );
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22 Class fnClass;
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23 try {
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24 fnClass = parser.RequiredModule();
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25 } catch(ParseException e) {
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26 //e.printStackTrace();
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27 throw new LuanException( e.getFancyMessage() );
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28 }
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29 LuanJava java;
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30 if( env == null ) {
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31 java = new LuanJava();
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32 } else {
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33 java = env.java;
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34 if( java == null ) {
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35 java = new LuanJava();
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36 env.java = java;
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37 }
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38 }
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39 Closure closure;
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40 try {
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41 closure = (Closure)fnClass.getConstructor(LuanJava.class).newInstance(java);
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42 } catch(NoSuchMethodException e) {
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43 throw new RuntimeException(e);
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44 } catch(InstantiationException e) {
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45 throw new RuntimeException(e);
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46 } catch(IllegalAccessException e) {
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47 throw new RuntimeException(e);
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48 } catch(InvocationTargetException e) {
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49 throw new RuntimeException(e);
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50 }
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51 closure.upValues[0].o = JavaLuan.javaFn;
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52 closure.upValues[1].o = PackageLuan.requireFn;
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53 if( env != null ) closure.upValues[2].o = env;
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54 return closure;
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55 }
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56
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57 public static String toJava(String sourceName,String sourceText) throws LuanException {
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58 LuanParser parser = new LuanParser(sourceName,sourceText);
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59 parser.addVar( "java" );
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60 parser.addVar( "require" );
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61 try {
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62 return parser.RequiredModuleSource();
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63 } catch(ParseException e) {
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64 throw new LuanException( e.getFancyMessage() );
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65 }
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66 }
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68 }