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comparison graal/com.oracle.truffle.api/src/com/oracle/truffle/api/vm/TruffleVM.java @ 21481:bb51b9a142b3

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Enforcing public, one parameter constructor for each TruffleLanguage by annotation processor and required call to super.
author Jaroslav Tulach <jaroslav.tulach@oracle.com>
date Mon, 25 May 2015 12:26:53 +0200
parents 2dad34a3d7b0
children 3286fb5fea4a b1530a6cce8c
comparison
equal deleted inserted replaced
21480:c2b006c5e15f 21481:bb51b9a142b3
31 import com.oracle.truffle.api.source.Source; 31 import com.oracle.truffle.api.source.Source;
32 import java.io.File; 32 import java.io.File;
33 import java.io.IOException; 33 import java.io.IOException;
34 import java.io.InputStream; 34 import java.io.InputStream;
35 import java.io.Reader; 35 import java.io.Reader;
36 import java.lang.reflect.Constructor;
36 import java.net.URI; 37 import java.net.URI;
37 import java.net.URL; 38 import java.net.URL;
38 import java.net.URLConnection; 39 import java.net.URLConnection;
39 import java.nio.file.Files; 40 import java.nio.file.Files;
40 import java.util.ArrayList; 41 import java.util.ArrayList;
331 332
332 TruffleLanguage getImpl() { 333 TruffleLanguage getImpl() {
333 if (impl == null) { 334 if (impl == null) {
334 String n = props.getProperty("className"); 335 String n = props.getProperty("className");
335 try { 336 try {
336 TruffleLanguage lang = (TruffleLanguage) Class.forName(n, true, loader()).newInstance(); 337 Class<?> langClazz = Class.forName(n, true, loader());
337 SPI.attachEnv(TruffleVM.this, lang); 338 Constructor<?> constructor = langClazz.getConstructor(Env.class);
338 impl = lang; 339 impl = SPI.attachEnv(TruffleVM.this, constructor);
339 } catch (Exception ex) { 340 } catch (Exception ex) {
340 throw new IllegalStateException("Cannot initialize " + getName() + " language with implementation " + n, ex); 341 throw new IllegalStateException("Cannot initialize " + getName() + " language with implementation " + n, ex);
341 } 342 }
342 } 343 }
343 return impl; 344 return impl;
365 } 366 }
366 return null; 367 return null;
367 } 368 }
368 369
369 @Override 370 @Override
370 public Env attachEnv(TruffleVM vm, TruffleLanguage l) { 371 public TruffleLanguage attachEnv(TruffleVM vm, Constructor<?> langClazz) {
371 return super.attachEnv(vm, l); 372 return super.attachEnv(vm, langClazz);
372 } 373 }
373 374
374 @Override 375 @Override
375 public Object eval(TruffleLanguage l, Source s) throws IOException { 376 public Object eval(TruffleLanguage l, Source s) throws IOException {
376 return super.eval(l, s); 377 return super.eval(l, s);