added tools to reduce ASM jars size

build.xml

@@ -107,13 +107,23 @@
   <!-- =================================== -->
 
   <target name="compile" depends="init">
-    <mkdir dir="${out.build}"/>
-    <javac destdir="${out.build}" optimize="on">
-      <classpath refid="classpath"/>
+    <mkdir dir="${out.build}/tmp"/>
+    <javac destdir="${out.build}/tmp" optimize="on">
+      <classpath>
+        <pathelement location="${out.build}/tmp"/>
+      </classpath> 
       <src path="${src}"/>
       <include name="**/*.java"/>
       <exclude name="**/xml/*.java"/>
     </javac>
+    <java classname="org.objectweb.asm.optimizer.Shrinker">
+      <classpath>
+        <pathelement location="${out.build}/tmp"/>
+      </classpath> 
+      <arg value="${src}/org/objectweb/asm/optimizer/shrink.properties"/>
+      <arg value="${out.build}/tmp"/> 
+      <arg value="${out.build}"/> 
+    </java> 
   </target>
 
   <!-- =================================== -->
@@ -137,6 +147,10 @@
 
   <target name="jar" depends="dist.init,compile">
     <multipleAnt dir="${archive}"/>
+    <java classname="org.objectweb.asm.optimizer.JarOptimizer">
+      <classpath refid="classpath"/>
+      <arg value="${out.dist.lib}"/> 
+    </java> 
   </target>
 
   <target name="jdoc" depends="init,dist.init">

jdoc/user.xml

@@ -17,7 +17,13 @@
              doctitle="ASM Documentation">
 
       <sourcepath path="${src}"/>
-      <package name="org.*"/>
+      <package name="org.objectweb.asm"/>
+      <package name="org.objectweb.asm.attrs"/>
+      <package name="org.objectweb.asm.tree"/>
+      <package name="org.objectweb.asm.tree.analysis"/>
+      <package name="org.objectweb.asm.util"/>
+      <package name="org.objectweb.asm.util.attrs"/>
+      <package name="org.objectweb.asm.xml"/>
 
       <link href="${jdk.url}" offline="true" packagelistLoc="${jdoc}"/>
 

src/org/objectweb/asm/optimizer/AnnotationConstantsCollector.java

+/***
+ * ASM: a very small and fast Java bytecode manipulation framework
+ * Copyright (c) 2000,2002,2003 INRIA, France Telecom
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holders nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package org.objectweb.asm.optimizer;
+
+import org.objectweb.asm.AnnotationVisitor;
+import org.objectweb.asm.Type;
+
+/**
+ * An {@link AnnotationVisitor} that collects the {@link Constant}s of the
+ * annotations it visits.
+ * 
+ * @author Eric Bruneton 
+ */
+
+public class AnnotationConstantsCollector implements AnnotationVisitor {
+
+  private AnnotationVisitor av;
+  
+  private ConstantPool cp;
+  
+  public AnnotationConstantsCollector (
+    final AnnotationVisitor av,
+    final ConstantPool cp) 
+  {
+    this.av = av;
+    this.cp = cp;
+  }
+  
+  public void visit (final String name, final Object value) {
+    if (name != null) {
+      cp.newUTF8(name);
+    }
+    if (value instanceof Byte) {
+      cp.newInteger(((Byte)value).byteValue());
+    } else if (value instanceof Boolean) {
+      cp.newInteger(((Boolean)value).booleanValue() ? 1 : 0);
+    } else if (value instanceof Character) {
+      cp.newInteger(((Character)value).charValue());
+    } else if (value instanceof Short) {
+      cp.newInteger(((Short)value).shortValue());
+    } else if (value instanceof Type) {
+      cp.newUTF8(((Type)value).getDescriptor());
+    } else if (value instanceof byte[]) {
+      byte[] v = (byte[])value;
+      for (int i = 0; i < v.length; i++) {
+        cp.newInteger(v[i]);
+      }
+    } else if (value instanceof boolean[]) {
+      boolean[] v = (boolean[])value;
+      for (int i = 0; i < v.length; i++) {
+        cp.newInteger(v[i] ? 1 : 0);
+      }
+    } else if (value instanceof short[]) {
+      short[] v = (short[])value;
+      for (int i = 0; i < v.length; i++) {
+        cp.newInteger(v[i]);
+      }
+    } else if (value instanceof char[]) {
+      char[] v = (char[])value;
+      for (int i = 0; i < v.length; i++) {
+        cp.newInteger(v[i]);
+      }
+    } else if (value instanceof int[]) {
+      int[] v = (int[])value;
+      for (int i = 0; i < v.length; i++) {
+        cp.newInteger(v[i]);
+      }
+    } else if (value instanceof long[]) {
+      long[] v = (long[])value;
+      for (int i = 0; i < v.length; i++) {
+        cp.newLong(v[i]);
+      }
+    } else if (value instanceof float[]) {
+      float[] v = (float[])value;
+      for (int i = 0; i < v.length; i++) {
+        cp.newFloat(v[i]);
+      }
+    } else if (value instanceof double[]) {
+      double[] v = (double[])value;
+      for (int i = 0; i < v.length; i++) {
+        cp.newDouble(v[i]);
+      }
+    } else {
+      cp.newConst(value);
+    }
+    av.visit(name, value);
+  }
+
+  public void visitEnum (
+    final String name, 
+    final String desc, 
+    final String value)
+  {
+    if (name != null) {
+      cp.newUTF8(name);
+    }
+    cp.newUTF8(desc);
+    cp.newUTF8(value);
+    av.visitEnum(name, desc, value);
+  }
+
+  public AnnotationVisitor visitAnnotation (
+    final String name, 
+    final String desc) 
+  {
+    if (name != null) {
+      cp.newUTF8(name);
+    }
+    cp.newUTF8(desc);
+    return new AnnotationConstantsCollector(av.visitAnnotation(name, desc), cp);
+  }
+
+  public AnnotationVisitor visitArray (final String name) {
+    if (name != null) {
+      cp.newUTF8(name);
+    }    
+    return new AnnotationConstantsCollector(av.visitArray(name), cp);
+  }
+
+  public void visitEnd () {
+    av.visitEnd();
+  }
+}

src/org/objectweb/asm/optimizer/ClassConstantsCollector.java

+/***
+ * ASM: a very small and fast Java bytecode manipulation framework
+ * Copyright (c) 2000,2002,2003 INRIA, France Telecom
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holders nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package org.objectweb.asm.optimizer;
+
+import org.objectweb.asm.AnnotationVisitor;
+import org.objectweb.asm.Attribute;
+import org.objectweb.asm.ClassAdapter;
+import org.objectweb.asm.ClassVisitor;
+import org.objectweb.asm.FieldVisitor;
+import org.objectweb.asm.MethodVisitor;
+import org.objectweb.asm.Opcodes;
+
+/**
+ * A {@link ClassVisitor} that collects the {@link Constant}s of the classes 
+ * it visits.
+ * 
+ * @author Eric Bruneton 
+ */
+
+public class ClassConstantsCollector extends ClassAdapter {
+
+  private ConstantPool cp;
+  
+  public ClassConstantsCollector (
+    final ClassVisitor cv, 
+    final ConstantPool cp) 
+  {
+    super(cv);
+    this.cp = cp;
+  }
+  
+  public void visit (
+    final int version,
+    final int access,
+    final String name,
+    final String signature,
+    final String superName,
+    final String[] interfaces)
+  {
+    if ((access & Opcodes.ACC_DEPRECATED) != 0) {
+      cp.newUTF8("Deprecated");
+    }
+    if ((access & Opcodes.ACC_SYNTHETIC) != 0) {
+      cp.newUTF8("Synthetic");
+    }    
+    cp.newClass(name);
+    if (signature != null) {
+      cp.newUTF8("Signature");
+      cp.newUTF8(signature);
+    }
+    if (superName != null) {
+      cp.newClass(superName);
+    }
+    if (interfaces != null) {
+      for (int i = 0; i < interfaces.length; ++i) {
+        cp.newClass(interfaces[i]);
+      }
+    }
+    cv.visit(version, access, name, signature, superName, interfaces);
+  }
+  
+  public void visitSource (final String source, final String debug) {
+    if (source != null) {
+      cp.newUTF8("SourceFile");
+      cp.newUTF8(source);
+    }
+    if (debug != null) {
+      cp.newUTF8("SourceDebugExtension");
+    }
+    cv.visitSource(source, debug);
+  }
+  
+  public void visitOuterClass (
+    final String owner, 
+    final String name,
+    final String desc) 
+  {
+    cp.newUTF8("EnclosingMethod");
+    cp.newClass(owner);
+    if (name != null && desc != null) {
+      cp.newNameType(name, desc);
+    }
+    cv.visitOuterClass(owner, name, desc);
+  }
+  
+  public AnnotationVisitor visitAnnotation (
+    final String desc, 
+    final boolean visible) 
+  {
+    cp.newUTF8(desc);
+    if (visible) {
+      cp.newUTF8("RuntimeVisibleAnnotations");
+    } else {
+      cp.newUTF8("RuntimeInvisibleAnnotations");
+    }
+    return new AnnotationConstantsCollector(cv.visitAnnotation(desc, visible), cp);
+  }
+  
+  public void visitAttribute (final Attribute attr) {
+    // can do nothing
+    cv.visitAttribute(attr);
+  }
+  
+  public void visitInnerClass (
+    final String name,
+    final String outerName,
+    final String innerName,
+    final int access)
+  {
+    cp.newUTF8("InnerClasses");
+    if (name != null) { 
+      cp.newClass(name);
+    }
+    if (outerName != null) {
+      cp.newClass(outerName);
+    }
+    if (innerName != null) {
+      cp.newClass(innerName);
+    }
+    cv.visitInnerClass(name, outerName, innerName, access);
+  }
+  
+  public FieldVisitor visitField (
+    final int access,
+    final String name,
+    final String desc,
+    final String signature,
+    final Object value)
+  {
+    if ((access & Opcodes.ACC_SYNTHETIC) != 0) {
+      cp.newUTF8("Synthetic");
+    }
+    if ((access & Opcodes.ACC_DEPRECATED) != 0) {
+      cp.newUTF8("Deprecated");
+    }
+    cp.newUTF8(name);
+    cp.newUTF8(desc);
+    if (signature != null) {
+      cp.newUTF8("Signature");
+      cp.newUTF8(signature);
+    }
+    if (value != null) {
+      cp.newConst(value);
+    }
+    return new FieldConstantsCollector(cv.visitField(access, name, desc, signature, value), cp);
+  }
+  
+  public MethodVisitor visitMethod (
+    final int access,
+    final String name,
+    final String desc,
+    final String signature,
+    final String[] exceptions)
+  {
+    if ((access & Opcodes.ACC_SYNTHETIC) != 0) {
+      cp.newUTF8("Synthetic");
+    }
+    if ((access & Opcodes.ACC_DEPRECATED) != 0) {
+      cp.newUTF8("Deprecated");
+    }
+    cp.newUTF8(name);
+    cp.newUTF8(desc);
+    if (signature != null) {
+      cp.newUTF8("Signature");
+      cp.newUTF8(signature);
+    }
+    if (exceptions != null) {
+      cp.newUTF8("Exceptions");
+      for (int i = 0; i < exceptions.length; ++i) {
+        cp.newClass(exceptions[i]);
+      }
+    }
+    return new MethodConstantsCollector(
+      cv.visitMethod(access, name, desc, signature, exceptions), cp);
+  }
+  
+  public void visitEnd () {
+    cv.visitEnd();
+  }
+}

src/org/objectweb/asm/optimizer/ClassOptimizer.java

+/***
+ * ASM: a very small and fast Java bytecode manipulation framework
+ * Copyright (c) 2000,2002,2003 INRIA, France Telecom
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holders nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package org.objectweb.asm.optimizer;
+
+import org.objectweb.asm.AnnotationVisitor;
+import org.objectweb.asm.Attribute;
+import org.objectweb.asm.ClassAdapter;
+import org.objectweb.asm.ClassVisitor;
+import org.objectweb.asm.FieldVisitor;
+import org.objectweb.asm.MethodVisitor;
+import org.objectweb.asm.Opcodes;
+
+/**
+ * A {@link ClassAdapter} that renames fields and methods, and removes debug 
+ * info.
+ * 
+ * @author Eric Bruneton 
+ */
+
+public class ClassOptimizer extends ClassAdapter {
+  
+  private NameMapping mapping;
+
+  private String className;
+  
+  public ClassOptimizer (final ClassVisitor cv, final NameMapping mapping) {
+    super(cv);
+    this.mapping = mapping;
+  }
+  
+  public String getClassName () {
+    return className;
+  }
+  
+  // --------------------------------------------------------------------------
+  // Overriden methods
+  // --------------------------------------------------------------------------
+  
+  public void visit (
+    final int version, 
+    final int access, 
+    final String name, 
+    final String signature, 
+    final String superName, 
+    final String[] interfaces) 
+  {
+    className = name;
+    cv.visit(
+        version, 
+        access,
+        mapping.map(name),
+        null, 
+        mapping.map(superName), 
+        interfaces);
+  }
+
+  public void visitSource (final String source, final String debug) {
+    // remove debug info
+  }
+
+  public void visitOuterClass (
+    final String owner, 
+    final String name, 
+    final String desc) 
+  {
+    // remove debug info
+  }
+
+  public AnnotationVisitor visitAnnotation (
+    final String desc, 
+    final boolean visible) 
+  {
+    throw new UnsupportedOperationException();
+  }
+
+  public void visitAttribute (final Attribute attr) {
+    // remove non standard attribute
+  }
+
+  public void visitInnerClass (
+    final String name, 
+    final String outerName, 
+    final String innerName, 
+    final int access) 
+  {
+    // remove debug info
+  }
+
+  public FieldVisitor visitField (
+    final int access, 
+    final String name, 
+    final String desc, 
+    final String signature, 
+    final Object value) 
+  {
+    if ((access & (Opcodes.ACC_PUBLIC | Opcodes.ACC_PROTECTED)) == 0) {
+      if ((access & Opcodes.ACC_FINAL) != 0 && 
+          (access & Opcodes.ACC_STATIC) != 0 && 
+          desc.equals("I")) 
+      {
+        return null;
+      }
+      cv.visitField(
+          access, 
+          mapping.map(className + "." + name),
+          mapping.fix(desc), 
+          null, 
+          value); 
+    } else {
+      cv.visitField(access, name, desc, null, value); 
+    }
+    return null; // remove debug info
+  }
+
+  public MethodVisitor visitMethod (
+    final int access, 
+    final String name, 
+    final String desc, 
+    final String signature, 
+    final String[] exceptions) 
+  {
+    if ((access & (Opcodes.ACC_PUBLIC | Opcodes.ACC_PROTECTED)) == 0) {
+      return new MethodOptimizer(
+        cv.visitMethod(
+            access, 
+            mapping.map(className + "." + name + desc),
+            mapping.fix(desc), 
+            null, 
+            exceptions), mapping);
+    } else {
+      return new MethodOptimizer(
+          cv.visitMethod(
+              access, 
+              name, 
+              desc, 
+              null, 
+              exceptions), mapping);
+    }
+  }
+}

src/org/objectweb/asm/optimizer/Constant.java

+/***
+ * ASM: a very small and fast Java bytecode manipulation framework
+ * Copyright (c) 2000,2002,2003 INRIA, France Telecom
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright