Mercurial > hg > truffle
view test/runtime/6626217/Loader2.java @ 20907:06b0a2fb20a1
Truffle/Tools: the coverage tool will now ignore counts for any sources holding the tag CoverageTracker.Tags.NO_COVERAGE.
author | Michael Van De Vanter <michael.van.de.vanter@oracle.com> |
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date | Mon, 13 Apr 2015 11:05:58 -0700 |
parents | 495caa35b1b5 |
children |
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import java.io.ByteArrayInputStream; import java.io.FileInputStream; public class Loader2 extends ClassLoader { int _recur; public void print( String msg ) { for( int i=0; i<_recur; i++ ) System.out.print(" "); System.out.println(">>Loader2>> "+msg); } protected Class findClass2(String name) throws ClassNotFoundException { print("Fetching the implementation of "+name); int old = _recur; try { FileInputStream fi = new FileInputStream(name+".impl2"); byte result[] = new byte[fi.available()]; fi.read(result); print("DefineClass1 on "+name); _recur++; Class clazz = defineClass(name, result, 0, result.length); _recur = old; print("Returning newly loaded class."); return clazz; } catch (Exception e) { _recur = old; print("Not found on disk."); // If we caught an exception, either the class was not found or // it was unreadable by our process. return null; //throw new ClassNotFoundException(e.toString()); } } protected synchronized Class loadClass(String name, boolean resolve) throws ClassNotFoundException { // Attempt a disk load first Class c = findClass2(name); if( c == null ) { // check if the class has already been loaded print("Checking for prior loaded class "+name); c = findLoadedClass(name); print("Letting super-loader load "+name); int old = _recur; _recur++; c = super.loadClass(name, false); _recur=old; } if (resolve) { print("Resolving class "+name); resolveClass(c); } print("Returning clazz "+c.getClassLoader()+":"+name); return c; } }