Mercurial > hg > graal-jvmci-8
diff jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotMethod.java @ 22672:1bbd4a7c274b
Rename jdk.internal.jvmci to jdk.vm.ci
author | Tom Rodriguez <tom.rodriguez@oracle.com> |
---|---|
date | Thu, 08 Oct 2015 17:28:41 -0700 |
parents | jvmci/jdk.internal.jvmci.hotspot/src/jdk/internal/jvmci/hotspot/HotSpotMethod.java@ed53e370f04c |
children | 1b8892b4ce9c |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotMethod.java Thu Oct 08 17:28:41 2015 -0700 @@ -0,0 +1,95 @@ +/* + * Copyright (c) 2011, 2015, 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 jdk.vm.ci.hotspot; + +import static java.util.FormattableFlags.ALTERNATE; +import static java.util.FormattableFlags.LEFT_JUSTIFY; +import static java.util.FormattableFlags.UPPERCASE; + +import java.util.Formattable; +import java.util.Formatter; + +import jdk.vm.ci.meta.JavaMethod; +import jdk.vm.ci.meta.ResolvedJavaMethod; + +abstract class HotSpotMethod implements JavaMethod, Formattable { + + public static String applyFormattingFlagsAndWidth(String s, int flags, int width) { + if (flags == 0 && width < 0) { + return s; + } + StringBuilder sb = new StringBuilder(s); + + // apply width and justification + int len = sb.length(); + if (len < width) { + for (int i = 0; i < width - len; i++) { + if ((flags & LEFT_JUSTIFY) == LEFT_JUSTIFY) { + sb.append(' '); + } else { + sb.insert(0, ' '); + } + } + } + + String res = sb.toString(); + if ((flags & UPPERCASE) == UPPERCASE) { + res = res.toUpperCase(); + } + return res; + } + + protected String name; + + /** + * Controls whether {@link #toString()} includes the qualified or simple name of the class in + * which the method is declared. + */ + public static final boolean FULLY_QUALIFIED_METHOD_NAME = false; + + protected HotSpotMethod(String name) { + this.name = name; + } + + @Override + public final String getName() { + return name; + } + + @Override + public final String toString() { + char h = FULLY_QUALIFIED_METHOD_NAME ? 'H' : 'h'; + String suffix = this instanceof ResolvedJavaMethod ? "" : ", unresolved"; + String fmt = String.format("HotSpotMethod<%%%c.%%n(%%p)%s>", h, suffix); + return format(fmt); + } + + public void formatTo(Formatter formatter, int flags, int width, int precision) { + String base = (flags & ALTERNATE) == ALTERNATE ? getName() : toString(); + formatter.format(applyFormattingFlagsAndWidth(base, flags & ~ALTERNATE, width)); + } + + public JavaMethod asJavaMethod() { + return this; + } +}