jdk/make/modules/tools/src/com/sun/classanalyzer/ResolutionInfo.java
changeset 4524 697144bd8b04
child 5506 202f599c92aa
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/make/modules/tools/src/com/sun/classanalyzer/ResolutionInfo.java	Fri Dec 18 11:36:23 2009 -0800
@@ -0,0 +1,201 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+package com.sun.classanalyzer;
+
+import com.sun.classanalyzer.Klass.Method;
+
+/**
+ *
+ * @author mchung
+ */
+public class ResolutionInfo implements Comparable<ResolutionInfo> {
+
+    enum Type {
+
+        REFLECTION("reflection", true),
+        NATIVE("native", true),
+        INTERFACE("interface", false),
+        SUPER("super", false),
+        EXPLICIT("explicit", false),
+        VERIFICATION("verification", false),
+        METHODTRACE("method trace", true),
+        CONSTANT_POOL("constant pool", true),
+        CHECKED_EXCEPTION("throws", true),
+        METHOD("method", true),
+        FIELD("field", true),
+        EXTENDS("extends", true),
+        IMPLEMENTS("implements", true),
+        NOINFO("No info", false);
+
+        private final String name;
+        private final boolean hasInfo;
+
+        private Type(String name, boolean hasInfo) {
+            this.name = name;
+            this.hasInfo = hasInfo;
+        }
+
+        public String getName() {
+            return name;
+        }
+
+        public boolean hasInfo() {
+            return hasInfo;
+        }
+
+        public static Type getType(String s) {
+            if (s.isEmpty()) {
+                return NOINFO;
+            }
+            for (Type t : values()) {
+                if (s.equals(t.name)) {
+                    return t;
+                }
+            }
+            // Need to fix the VM output to add "native"
+            // throw new IllegalArgumentException("Invalid ResolutionInfo.type \"" + s + "\"");
+            System.out.println("WARNING: Invalid ResolutionInfo.type \"" + s + "\"");
+            return null;
+        }
+    }
+    final Klass fromClass;
+    final Method method;
+    final Klass toClass;
+    final int linenumber;
+    final Type type;
+    final String info;
+    private boolean isPublic = false;
+
+    private ResolutionInfo(Klass from, Klass to, int linenumber, Type type, String info) {
+        this.fromClass = from;
+        this.method = null;
+        this.toClass = to;
+        this.linenumber = linenumber;
+        this.type = type;
+        this.info = info;
+    }
+
+    private ResolutionInfo(Klass from, Method m, Klass to, int linenumber, Type type) {
+        this.fromClass = from;
+        this.method = m;
+        this.toClass = to;
+        this.linenumber = linenumber;
+        this.type = type;
+        this.info = m.toString();
+    }
+
+    public boolean isPublic() {
+        return isPublic;
+    }
+
+    public void setPublicAccess(boolean value) {
+        isPublic = value;
+    }
+    static ResolutionInfo resolved(Klass from, Klass to) {
+        return new ResolutionInfo(from, to, 0, Type.NOINFO, "");
+    }
+
+    static ResolutionInfo resolved(Klass from, Klass to, int linenumber) {
+        return new ResolutionInfo(from, to, linenumber, Type.NOINFO, "");
+    }
+
+    static ResolutionInfo resolved(Klass from, Klass to, int linenumber, String reason) {
+        String[] ss = reason.split("\\s+");
+        Type type;
+        String info;
+        if (linenumber == -1) {
+            type = Type.NATIVE;
+            info = ss[0];  // native method name
+        } else {
+            info = ss.length == 2 ? ss[1] : "";
+            type = Type.getType(ss[0]);
+            if (type == null) {
+                if (reason.isEmpty()) {
+                    throw new IllegalArgumentException("Invalid type: " + reason + " (" + ss[0] + ")" + ss.length);
+                }
+                // assume it's native
+                type = Type.NATIVE;
+                info = reason.isEmpty() ? ss[0] : reason;
+            }
+        }
+
+        return new ResolutionInfo(from, to, linenumber, type, info);
+    }
+
+    static ResolutionInfo resolved(Klass from, Klass to, Method callee) {
+        return new ResolutionInfo(from, callee, to, 0, Type.METHODTRACE);
+    }
+
+    static ResolutionInfo resolvedConstantPool(Klass from, Klass to, int index) {
+        return new ResolutionInfo(from, to, 0, Type.CONSTANT_POOL, "#" + index);
+    }
+
+    static ResolutionInfo resolvedField(Klass from, Klass to, String fieldname) {
+        return new ResolutionInfo(from, to, 0, Type.FIELD, fieldname);
+    }
+
+    static ResolutionInfo resolvedMethodSignature(Klass from, Klass to, Method m) {
+        return new ResolutionInfo(from, m, to, 0, Type.METHOD);
+    }
+
+    static ResolutionInfo resolvedCheckedException(Klass from, Klass to, Method m) {
+        return new ResolutionInfo(from, m, to, 0, Type.CHECKED_EXCEPTION);
+    }
+
+    static ResolutionInfo resolvedExtends(Klass from, Klass to) {
+        String info = from.getClassName() + " implements " + to.getClassName();
+        return new ResolutionInfo(from, to, 0, Type.EXTENDS, info);
+    }
+
+    static ResolutionInfo resolvedImplements(Klass from, Klass to) {
+        String info = from.getClassName() + " implements " + to.getClassName();
+        return new ResolutionInfo(from, to, 0, Type.IMPLEMENTS, info);
+    }
+
+    @Override
+    public int compareTo(ResolutionInfo ri) {
+        if (this.fromClass == ri.fromClass &&
+                this.toClass == ri.toClass &&
+                this.linenumber == ri.linenumber &&
+                this.type == ri.type &&
+                this.info.equals(ri.info)) {
+            return 0;
+        } else if (this.fromClass == ri.fromClass) {
+            if (this.linenumber > ri.linenumber) {
+                return 1;
+            } else if (this.linenumber < ri.linenumber) {
+                return -1;
+            } else if (this.type != ri.type) {
+                return this.type.getName().compareTo(ri.type.getName());
+            } else if (this.toClass != ri.toClass) {
+                return this.toClass.compareTo(ri.toClass);
+            } else {
+                return this.info.compareTo(ri.info);
+            }
+        } else {
+            return this.fromClass.compareTo(ri.fromClass);
+        }
+    }
+}