1 files changed, 168 insertions, 0 deletions
diff --git a/src/proguard/classfile/ProgramMember.java b/src/proguard/classfile/ProgramMember.java
new file mode 100644
index 0000000..ea6f46d
--- /dev/null
+++ b/src/proguard/classfile/ProgramMember.java
@@ -0,0 +1,168 @@
+/*
+ * ProGuard -- shrinking, optimization, obfuscation, and preverification
+ *             of Java bytecode.
+ *
+ * Copyright (c) 2002-2009 Eric Lafortune (eric@graphics.cornell.edu)
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ * This program 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 for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+package proguard.classfile;
+
+
+import proguard.classfile.attribute.*;
+import proguard.classfile.attribute.visitor.AttributeVisitor;
+import proguard.classfile.visitor.MemberVisitor;
+
+/**
+ * Representation of a field or method from a program class.
+ *
+ * @author Eric Lafortune
+ */
+public abstract class ProgramMember implements Member
+{
+    public int         u2accessFlags;
+    public int         u2nameIndex;
+    public int         u2descriptorIndex;
+    public int         u2attributesCount;
+    public Attribute[] attributes;
+
+    /**
+     * An extra field in which visitors can store information.
+     */
+    public Object visitorInfo;
+
+
+    /**
+     * Creates an uninitialized ProgramMember.
+     */
+    protected ProgramMember()
+    {
+    }
+
+
+    /**
+     * Creates an initialized ProgramMember. 
+     */
+    protected ProgramMember(int         u2accessFlags,
+                            int         u2nameIndex,
+                            int         u2descriptorIndex,
+                            int         u2attributesCount,
+                            Attribute[] attributes)
+    {
+        this.u2accessFlags     = u2accessFlags;
+        this.u2nameIndex       = u2nameIndex;
+        this.u2descriptorIndex = u2descriptorIndex;
+        this.u2attributesCount = u2attributesCount;
+        this.attributes        = attributes;
+    }
+
+
+    /**
+     * Returns the line number range of the given class member as "m:n",
+     * if it can find it, or <code>null</code> otherwise.
+     */
+    public String getLineNumberRange(Clazz clazz)
+    {
+        CodeAttribute codeAttribute =
+            (CodeAttribute)getAttribute(clazz, ClassConstants.ATTR_Code);
+        if (codeAttribute  == null)
+        {
+            return null;
+        }
+
+        LineNumberTableAttribute lineNumberTableAttribute =
+            (LineNumberTableAttribute)codeAttribute.getAttribute(clazz,
+                                                                 ClassConstants.ATTR_LineNumberTable);
+        if (lineNumberTableAttribute  == null)
+        {
+            return null;
+        }
+
+        return "" +
+               lineNumberTableAttribute.getLineNumber(0) +
+               ":" +
+               lineNumberTableAttribute.getLineNumber(Integer.MAX_VALUE);
+    }
+
+
+    /**
+     * Returns the (first) attribute with the given name.
+     */
+    private Attribute getAttribute(Clazz clazz, String name)
+    {
+        for (int index = 0; index < u2attributesCount; index++)
+        {
+            Attribute attribute = attributes[index];
+            if (attribute.getAttributeName(clazz).equals(name))
+            {
+                return attribute;
+            }
+        }
+
+        return null;
+    }
+
+
+    /**
+     * Accepts the given member info visitor.
+     */
+    public abstract void accept(ProgramClass  programClass,
+                                MemberVisitor memberVisitor);
+
+
+
+    /**
+     * Lets the given attribute info visitor visit all the attributes of
+     * this member info.
+     */
+    public abstract void attributesAccept(ProgramClass     programClass,
+                                          AttributeVisitor attributeVisitor);
+
+
+    // Implementations for Member.
+
+    public int getAccessFlags()
+    {
+        return u2accessFlags;
+    }
+
+    public String getName(Clazz clazz)
+    {
+        return clazz.getString(u2nameIndex);
+    }
+
+    public String getDescriptor(Clazz clazz)
+    {
+        return clazz.getString(u2descriptorIndex);
+    }
+
+    public void accept(Clazz clazz, MemberVisitor memberVisitor)
+    {
+        accept((ProgramClass)clazz, memberVisitor);
+    }
+
+
+    // Implementations for VisitorAccepter.
+
+    public Object getVisitorInfo()
+    {
+        return visitorInfo;
+    }
+
+    public void setVisitorInfo(Object visitorInfo)
+    {
+        this.visitorInfo = visitorInfo;
+    }
+}