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comparison truffle/com.oracle.truffle.api.vm/src/com/oracle/truffle/api/vm/PolyglotEngine.java @ 22194:7afb5e5cc3ca

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Fix use just one language instance per LanguageCache instead of one per mime-type.
author Christian Humer <christian.humer@oracle.com>
date Thu, 24 Sep 2015 14:48:26 +0200
parents 2e7352f9ffa8
children 364e3f024643
comparison
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22193:dd0b18eb8000 22194:7afb5e5cc3ca
22 * or visit www.oracle.com if you need additional information or have any 22 * or visit www.oracle.com if you need additional information or have any
23 * questions. 23 * questions.
24 */ 24 */
25 package com.oracle.truffle.api.vm; 25 package com.oracle.truffle.api.vm;
26 26
27 import com.oracle.truffle.api.CallTarget;
28 import com.oracle.truffle.api.TruffleLanguage;
29 import com.oracle.truffle.api.TruffleLanguage.Env;
30 import com.oracle.truffle.api.TruffleLanguage.Registration;
31 import com.oracle.truffle.api.debug.DebugSupportProvider;
32 import com.oracle.truffle.api.debug.Debugger;
33 import com.oracle.truffle.api.debug.ExecutionEvent;
34 import com.oracle.truffle.api.debug.SuspendedEvent;
35 import com.oracle.truffle.api.impl.Accessor;
36 import com.oracle.truffle.api.instrument.Probe;
37 import com.oracle.truffle.api.instrument.ToolSupportProvider;
38 import com.oracle.truffle.api.interop.TruffleObject;
39 import com.oracle.truffle.api.interop.java.JavaInterop;
40 import com.oracle.truffle.api.source.Source;
41 import java.io.Closeable; 27 import java.io.Closeable;
42 import java.io.File; 28 import java.io.File;
43 import java.io.IOException; 29 import java.io.IOException;
44 import java.io.InputStream; 30 import java.io.InputStream;
45 import java.io.InterruptedIOException; 31 import java.io.InterruptedIOException;
54 import java.nio.file.Files; 40 import java.nio.file.Files;
55 import java.util.ArrayList; 41 import java.util.ArrayList;
56 import java.util.Arrays; 42 import java.util.Arrays;
57 import java.util.Collections; 43 import java.util.Collections;
58 import java.util.HashMap; 44 import java.util.HashMap;
45 import java.util.HashSet;
59 import java.util.LinkedHashSet; 46 import java.util.LinkedHashSet;
60 import java.util.List; 47 import java.util.List;
61 import java.util.Map; 48 import java.util.Map;
62 import java.util.Set; 49 import java.util.Set;
63 import java.util.concurrent.CountDownLatch; 50 import java.util.concurrent.CountDownLatch;
64 import java.util.concurrent.Executor; 51 import java.util.concurrent.Executor;
65 import java.util.logging.Level; 52 import java.util.logging.Level;
66 import java.util.logging.Logger; 53 import java.util.logging.Logger;
54
55 import com.oracle.truffle.api.CallTarget;
56 import com.oracle.truffle.api.TruffleLanguage;
57 import com.oracle.truffle.api.TruffleLanguage.Env;
58 import com.oracle.truffle.api.TruffleLanguage.Registration;
59 import com.oracle.truffle.api.debug.DebugSupportProvider;
60 import com.oracle.truffle.api.debug.Debugger;
61 import com.oracle.truffle.api.debug.ExecutionEvent;
62 import com.oracle.truffle.api.debug.SuspendedEvent;
63 import com.oracle.truffle.api.impl.Accessor;
64 import com.oracle.truffle.api.instrument.Probe;
65 import com.oracle.truffle.api.instrument.ToolSupportProvider;
66 import com.oracle.truffle.api.interop.TruffleObject;
67 import com.oracle.truffle.api.interop.java.JavaInterop;
68 import com.oracle.truffle.api.source.Source;
67 69
68 /** 70 /**
69 * Gate way into the world of {@link TruffleLanguage Truffle languages}. {@link #buildNew() 71 * Gate way into the world of {@link TruffleLanguage Truffle languages}. {@link #buildNew()
70 * Instantiate} your own portal into the isolated, multi language system with all the registered 72 * Instantiate} your own portal into the isolated, multi language system with all the registered
71 * languages ready for your use. A {@link PolyglotEngine} runs inside of a <em>JVM</em>, there can 73 * languages ready for your use. A {@link PolyglotEngine} runs inside of a <em>JVM</em>, there can
138 this.in = in; 140 this.in = in;
139 this.handlers = handlers; 141 this.handlers = handlers;
140 this.initThread = Thread.currentThread(); 142 this.initThread = Thread.currentThread();
141 this.globals = new HashMap<>(globals); 143 this.globals = new HashMap<>(globals);
142 Map<String, Language> map = new HashMap<>(); 144 Map<String, Language> map = new HashMap<>();
143 for (Map.Entry<String, LanguageCache> en : LanguageCache.languages().entrySet()) { 145 /* We want to create a language instance but per LanguageCache and not per mime type. */
144 map.put(en.getKey(), createLanguage(en)); 146 Set<LanguageCache> uniqueCaches = new HashSet<>(LanguageCache.languages().values());
147 for (LanguageCache languageCache : uniqueCaches) {
148 Language newLanguage = new Language(languageCache);
149 for (String mimeType : newLanguage.getMimeTypes()) {
150 map.put(mimeType, newLanguage);
151 }
145 } 152 }
146 this.langs = map; 153 this.langs = map;
147 } 154 }
148 155
149 /** 156 /**
675 /** 682 /**
676 * Obtains Java view of the object represented by this symbol. The method basically 683 * Obtains Java view of the object represented by this symbol. The method basically
677 * delegates to 684 * delegates to
678 * {@link JavaInterop#asJavaObject(java.lang.Class, com.oracle.truffle.api.interop.TruffleObject)} 685 * {@link JavaInterop#asJavaObject(java.lang.Class, com.oracle.truffle.api.interop.TruffleObject)}
679 * just handles primitive types as well. 686 * just handles primitive types as well.
680 * 687 *
681 * @param <T> the type of the view one wants to obtain 688 * @param <T> the type of the view one wants to obtain
682 * @param representation the class of the view interface (it has to be an interface) 689 * @param representation the class of the view interface (it has to be an interface)
683 * @return instance of the view wrapping the object of this symbol 690 * @return instance of the view wrapping the object of this symbol
684 * @throws IOException in case it is not possible to obtain the value of the object 691 * @throws IOException in case it is not possible to obtain the value of the object
685 * @throws ClassCastException if the value cannot be converted to desired view 692 * @throws ClassCastException if the value cannot be converted to desired view