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comparison truffle/com.oracle.truffle.api/src/com/oracle/truffle/api/Truffle.java @ 22111:8b72dfac5cc7

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Allow selecting the TruffleRuntime using a system property
author Christian Wimmer <christian.wimmer@oracle.com>
date Wed, 26 Aug 2015 14:39:11 -0700
parents d5d416ced577
children dc83cc1f94f2
comparison
equal deleted inserted replaced
22106:3b2ae36a942f 22111:8b72dfac5cc7
42 public static TruffleRuntime getRuntime() { 42 public static TruffleRuntime getRuntime() {
43 return RUNTIME; 43 return RUNTIME;
44 } 44 }
45 45
46 private static TruffleRuntime initRuntime() { 46 private static TruffleRuntime initRuntime() {
47 if (TruffleOptions.ForceInterpreter) {
48 /*
49 * Force Truffle to run in interpreter mode even if we have a specialized implementation
50 * of TruffleRuntime available.
51 */
52 return new DefaultTruffleRuntime();
53 }
54
55 return AccessController.doPrivileged(new PrivilegedAction<TruffleRuntime>() { 47 return AccessController.doPrivileged(new PrivilegedAction<TruffleRuntime>() {
56 public TruffleRuntime run() { 48 public TruffleRuntime run() {
49 String runtimeClassName = System.getProperty("truffle.TruffleRuntime");
50 if (runtimeClassName != null) {
51 try {
52 ClassLoader cl = Thread.currentThread().getContextClassLoader();
53 Class<?> runtimeClass = Class.forName(runtimeClassName, false, cl);
54 return (TruffleRuntime) runtimeClass.newInstance();
55 } catch (Throwable e) {
56 // Fail fast for other errors
57 throw (InternalError) new InternalError().initCause(e);
58 }
59 }
60
57 TruffleRuntimeAccess access = null; 61 TruffleRuntimeAccess access = null;
58 Class<?> servicesClass = null; 62 Class<?> servicesClass = null;
59 try { 63 try {
60 servicesClass = Class.forName("jdk.internal.jvmci.service.Services"); 64 servicesClass = Class.forName("jdk.internal.jvmci.service.Services");
61 } catch (ClassNotFoundException e) { 65 } catch (ClassNotFoundException e) {
75 // Fail fast for other errors 79 // Fail fast for other errors
76 throw (InternalError) new InternalError().initCause(e); 80 throw (InternalError) new InternalError().initCause(e);
77 } 81 }
78 } 82 }
79 // TODO: try standard ServiceLoader? 83 // TODO: try standard ServiceLoader?
84
80 if (access != null) { 85 if (access != null) {
81 return access.getRuntime(); 86 return access.getRuntime();
82 } 87 }
83 return new DefaultTruffleRuntime(); 88 return new DefaultTruffleRuntime();
84 } 89 }