Mercurial > hg > graal-compiler
view graal/com.oracle.max.graal.hotspot/src/com/oracle/graal/hotspot/HotSpotOptions.java @ 5060:4ed4295ce15f
Update import statements.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Thu, 08 Mar 2012 19:11:12 +0100 |
parents | ed559a528128 |
children |
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/* * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.oracle.graal.hotspot; import java.lang.reflect.*; import com.oracle.graal.compiler.*; import com.oracle.graal.hotspot.logging.*; public class HotSpotOptions { public static void setDefaultOptions() { GraalOptions.MethodEndBreakpointGuards = 2; GraalOptions.ResolveClassBeforeStaticInvoke = false; } public static boolean setOption(String option) { if (option.length() == 0) { return false; } Object value = null; String fieldName = null; String valueString = null; char first = option.charAt(0); if (first == '+' || first == '-') { fieldName = option.substring(1); value = (first == '+'); } else { int index = option.indexOf('='); if (index == -1) { fieldName = option; valueString = null; } else { fieldName = option.substring(0, index); valueString = option.substring(index + 1); } } Field f; try { f = GraalOptions.class.getField(fieldName); if (value == null) { if (f.getType() == Float.TYPE) { value = Float.parseFloat(valueString); } else if (f.getType() == Double.TYPE) { value = Double.parseDouble(valueString); } else if (f.getType() == Integer.TYPE) { value = Integer.parseInt(valueString); } else if (f.getType() == Boolean.TYPE) { if (valueString == null || valueString.length() == 0) { value = true; } else { value = Boolean.parseBoolean(valueString); } } else if (f.getType() == String.class) { if (valueString == null) { value = ""; } else { value = valueString; } } } if (value != null) { f.set(null, value); //Logger.info("Set option " + fieldName + " to " + value); } else { Logger.info("Wrong value \"" + valueString + "\" for option " + fieldName); return false; } } catch (SecurityException e) { Logger.info("Security exception when setting option " + option); return false; } catch (NoSuchFieldException e) { Logger.info("Could not find option " + fieldName); return false; } catch (IllegalArgumentException e) { Logger.info("Illegal value for option " + option); return false; } catch (IllegalAccessException e) { Logger.info("Illegal access exception when setting option " + option); return false; } return true; } }