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Posted to commits@tapestry.apache.org by th...@apache.org on 2018/11/29 00:33:54 UTC

[07/46] tapestry-5 git commit: TAP5-2588: upgrading from ASM 6 to 7 for Java 9+ support

http://git-wip-us.apache.org/repos/asf/tapestry-5/blob/1c71aec7/plastic/src/external/java/org/apache/tapestry5/internal/plastic/asm/util/Printer.java
----------------------------------------------------------------------
diff --git a/plastic/src/external/java/org/apache/tapestry5/internal/plastic/asm/util/Printer.java b/plastic/src/external/java/org/apache/tapestry5/internal/plastic/asm/util/Printer.java
old mode 100644
new mode 100755
index 2dd644a..1dbdbbd
--- a/plastic/src/external/java/org/apache/tapestry5/internal/plastic/asm/util/Printer.java
+++ b/plastic/src/external/java/org/apache/tapestry5/internal/plastic/asm/util/Printer.java
@@ -1,1256 +1,1255 @@
-/***
- * ASM: a very small and fast Java bytecode manipulation framework
- * Copyright (c) 2000-2011 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.
- */
+// ASM: a very small and fast Java bytecode manipulation framework
+// Copyright (c) 2000-2011 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.apache.tapestry5.internal.plastic.asm.util;
 
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
 import java.io.PrintWriter;
 import java.util.ArrayList;
 import java.util.List;
-
 import org.apache.tapestry5.internal.plastic.asm.Attribute;
+import org.apache.tapestry5.internal.plastic.asm.ClassReader;
+import org.apache.tapestry5.internal.plastic.asm.ConstantDynamic;
 import org.apache.tapestry5.internal.plastic.asm.Handle;
 import org.apache.tapestry5.internal.plastic.asm.Label;
 import org.apache.tapestry5.internal.plastic.asm.Opcodes;
+import org.apache.tapestry5.internal.plastic.asm.Type;
 import org.apache.tapestry5.internal.plastic.asm.TypePath;
 
 /**
  * An abstract converter from visit events to text.
- * 
+ *
  * @author Eric Bruneton
  */
 public abstract class Printer {
 
-    /**
-     * The names of the Java Virtual Machine opcodes.
-     */
-    public static final String[] OPCODES;
-
-    /**
-     * The names of the for <code>operand</code> parameter values of the
-     * {@link org.objectweb.asm.MethodVisitor#visitIntInsn} method when
-     * <code>opcode</code> is <code>NEWARRAY</code>.
-     */
-    public static final String[] TYPES;
-
-    /**
-     * The names of the <code>tag</code> field values for
-     * {@link org.objectweb.asm.Handle}.
-     */
-    public static final String[] HANDLE_TAG;
-
-    static {
-        String s = "NOP,ACONST_NULL,ICONST_M1,ICONST_0,ICONST_1,ICONST_2,"
-                + "ICONST_3,ICONST_4,ICONST_5,LCONST_0,LCONST_1,FCONST_0,"
-                + "FCONST_1,FCONST_2,DCONST_0,DCONST_1,BIPUSH,SIPUSH,LDC,,,"
-                + "ILOAD,LLOAD,FLOAD,DLOAD,ALOAD,,,,,,,,,,,,,,,,,,,,,IALOAD,"
-                + "LALOAD,FALOAD,DALOAD,AALOAD,BALOAD,CALOAD,SALOAD,ISTORE,"
-                + "LSTORE,FSTORE,DSTORE,ASTORE,,,,,,,,,,,,,,,,,,,,,IASTORE,"
-                + "LASTORE,FASTORE,DASTORE,AASTORE,BASTORE,CASTORE,SASTORE,POP,"
-                + "POP2,DUP,DUP_X1,DUP_X2,DUP2,DUP2_X1,DUP2_X2,SWAP,IADD,LADD,"
-                + "FADD,DADD,ISUB,LSUB,FSUB,DSUB,IMUL,LMUL,FMUL,DMUL,IDIV,LDIV,"
-                + "FDIV,DDIV,IREM,LREM,FREM,DREM,INEG,LNEG,FNEG,DNEG,ISHL,LSHL,"
-                + "ISHR,LSHR,IUSHR,LUSHR,IAND,LAND,IOR,LOR,IXOR,LXOR,IINC,I2L,"
-                + "I2F,I2D,L2I,L2F,L2D,F2I,F2L,F2D,D2I,D2L,D2F,I2B,I2C,I2S,LCMP,"
-                + "FCMPL,FCMPG,DCMPL,DCMPG,IFEQ,IFNE,IFLT,IFGE,IFGT,IFLE,"
-                + "IF_ICMPEQ,IF_ICMPNE,IF_ICMPLT,IF_ICMPGE,IF_ICMPGT,IF_ICMPLE,"
-                + "IF_ACMPEQ,IF_ACMPNE,GOTO,JSR,RET,TABLESWITCH,LOOKUPSWITCH,"
-                + "IRETURN,LRETURN,FRETURN,DRETURN,ARETURN,RETURN,GETSTATIC,"
-                + "PUTSTATIC,GETFIELD,PUTFIELD,INVOKEVIRTUAL,INVOKESPECIAL,"
-                + "INVOKESTATIC,INVOKEINTERFACE,INVOKEDYNAMIC,NEW,NEWARRAY,"
-                + "ANEWARRAY,ARRAYLENGTH,ATHROW,CHECKCAST,INSTANCEOF,"
-                + "MONITORENTER,MONITOREXIT,,MULTIANEWARRAY,IFNULL,IFNONNULL,";
-        OPCODES = new String[200];
-        int i = 0;
-        int j = 0;
-        int l;
-        while ((l = s.indexOf(',', j)) > 0) {
-            OPCODES[i++] = j + 1 == l ? null : s.substring(j, l);
-            j = l + 1;
-        }
-
-        s = "T_BOOLEAN,T_CHAR,T_FLOAT,T_DOUBLE,T_BYTE,T_SHORT,T_INT,T_LONG,";
-        TYPES = new String[12];
-        j = 0;
-        i = 4;
-        while ((l = s.indexOf(',', j)) > 0) {
-            TYPES[i++] = s.substring(j, l);
-            j = l + 1;
-        }
-
-        s = "H_GETFIELD,H_GETSTATIC,H_PUTFIELD,H_PUTSTATIC,"
-                + "H_INVOKEVIRTUAL,H_INVOKESTATIC,H_INVOKESPECIAL,"
-                + "H_NEWINVOKESPECIAL,H_INVOKEINTERFACE,";
-        HANDLE_TAG = new String[10];
-        j = 0;
-        i = 1;
-        while ((l = s.indexOf(',', j)) > 0) {
-            HANDLE_TAG[i++] = s.substring(j, l);
-            j = l + 1;
-        }
-    }
-
-    /**
-     * The ASM API version implemented by this class. The value of this field
-     * must be one of {@link Opcodes#ASM4}, {@link Opcodes#ASM5} or {@link Opcodes#ASM6}.
-     */
-    protected final int api;
-
-    /**
-     * A buffer that can be used to create strings.
-     */
-    protected final StringBuffer buf;
-
-    /**
-     * The text to be printed. Since the code of methods is not necessarily
-     * visited in sequential order, one method after the other, but can be
-     * interlaced (some instructions from method one, then some instructions
-     * from method two, then some instructions from method one again...), it is
-     * not possible to print the visited instructions directly to a sequential
-     * stream. A class is therefore printed in a two steps process: a string
-     * tree is constructed during the visit, and printed to a sequential stream
-     * at the end of the visit. This string tree is stored in this field, as a
-     * string list that can contain other string lists, which can themselves
-     * contain other string lists, and so on.
-     */
-    public final List<Object> text;
-
-    /**
-     * Constructs a new {@link Printer}.
-     *
-     * @param api
-     *            the ASM API version implemented by this printer. Must be one
-     *            of {@link Opcodes#ASM4}, {@link Opcodes#ASM5} or {@link Opcodes#ASM6}.
-     */
-    protected Printer(final int api) {
-        this.api = api;
-        this.buf = new StringBuffer();
-        this.text = new ArrayList<Object>();
-    }
-
-    /**
-     * Class header.
-     * See {@link org.objectweb.asm.ClassVisitor#visit}.
-     *
-     * @param version
-     *            the class version.
-     * @param access
-     *            the class's access flags (see {@link Opcodes}). This parameter
-     *            also indicates if the class is deprecated.
-     * @param name
-     *            the internal name of the class (see
-     *            {@link org.objectweb.asm.Type#getInternalName() getInternalName}).
-     * @param signature
-     *            the signature of this class. May be <tt>null</tt> if the class
-     *            is not a generic one, and does not extend or implement generic
-     *            classes or interfaces.
-     * @param superName
-     *            the internal of name of the super class (see
-     *            {@link org.objectweb.asm.Type#getInternalName() getInternalName}).
-     *            For interfaces, the super class is {@link Object}. May be
-     *            <tt>null</tt>, but only for the {@link Object} class.
-     * @param interfaces
-     *            the internal names of the class's interfaces (see
-     *            {@link org.objectweb.asm.Type#getInternalName() getInternalName}).
-     *            May be <tt>null</tt>.
-     */
-    public abstract void visit(final int version, final int access,
-            final String name, final String signature, final String superName,
-            final String[] interfaces);
-
-    /**
-     * Class source.
-     * See {@link org.objectweb.asm.ClassVisitor#visitSource}.
-     *
-     * @param source
-     *            the name of the source file from which the class was compiled.
-     *            May be <tt>null</tt>.
-     * @param debug
-     *            additional debug information to compute the correspondance
-     *            between source and compiled elements of the class. May be
-     *            <tt>null</tt>.
-     */
-    public abstract void visitSource(final String source, final String debug);
-
-    
-    /**
-     * Module.
-     * See {@link org.objectweb.asm.ClassVisitor#visitModule(String, int)}.
-     * 
-     * @param name 
-     *            module name.
-     * @param access
-     *            module flags, among {@code ACC_OPEN}, {@code ACC_SYNTHETIC}
-     *            and {@code ACC_MANDATED}.
-     * @param version
-     *            module version or null.
-     * @return
-     */
-    public Printer visitModule(String name, int access, String version) {
-        throw new RuntimeException("Must be overriden");
-    }
-    
-    /**
-     * Class outer class.
-     * See {@link org.objectweb.asm.ClassVisitor#visitOuterClass}.
-     *
-     * Visits the enclosing class of the class. This method must be called only
-     * if the class has an enclosing class.
-     *
-     * @param owner
-     *            internal name of the enclosing class of the class.
-     * @param name
-     *            the name of the method that contains the class, or
-     *            <tt>null</tt> if the class is not enclosed in a method of its
-     *            enclosing class.
-     * @param desc
-     *            the descriptor of the method that contains the class, or
-     *            <tt>null</tt> if the class is not enclosed in a method of its
-     *            enclosing class.
-     */
-    public abstract void visitOuterClass(final String owner, final String name,
-            final String desc);
-
-    /**
-     * Class annotation.
-     * See {@link org.objectweb.asm.ClassVisitor#visitAnnotation}.
-     *
-     * @param desc
-     *            the class descriptor of the annotation class.
-     * @param visible
-     *            <tt>true</tt> if the annotation is visible at runtime.
-     * @return the printer
-     */
-    public abstract Printer visitClassAnnotation(final String desc,
-            final boolean visible);
-
-    /**
-     * Class type annotation.
-     * See {@link org.objectweb.asm.ClassVisitor#visitTypeAnnotation}.
-     *
-     * @param typeRef
-     *            a reference to the annotated type. The sort of this type
-     *            reference must be
-     *            {@link org.objectweb.asm.TypeReference#CLASS_TYPE_PARAMETER CLASS_TYPE_PARAMETER},
-     *            {@link org.objectweb.asm.TypeReference#CLASS_TYPE_PARAMETER_BOUND CLASS_TYPE_PARAMETER_BOUND}
-     *            or {@link org.objectweb.asm.TypeReference#CLASS_EXTENDS CLASS_EXTENDS}.
-     *            See {@link org.objectweb.asm.TypeReference}.
-     * @param typePath
-     *            the path to the annotated type argument, wildcard bound, array
-     *            element type, or static inner type within 'typeRef'. May be
-     *            <tt>null</tt> if the annotation targets 'typeRef' as a whole.
-     * @param desc
-     *            the class descriptor of the annotation class.
-     * @param visible
-     *            <tt>true</tt> if the annotation is visible at runtime.
-     * @return the printer
-     */
-    public Printer visitClassTypeAnnotation(final int typeRef,
-            final TypePath typePath, final String desc, final boolean visible) {
-        throw new RuntimeException("Must be overriden");
-    }
-
-    /**
-     * Class attribute.
-     * See {@link org.objectweb.asm.ClassVisitor#visitAttribute}.
-     *
-     * @param attr
-     *            an attribute.
-     */
-    public abstract void visitClassAttribute(final Attribute attr);
-
-    /**
-     * Class inner name.
-     * See {@link org.objectweb.asm.ClassVisitor#visitInnerClass}.
-     *
-     * @param name
-     *            the internal name of an inner class (see
-     *            {@link org.objectweb.asm.Type#getInternalName() getInternalName}).
-     * @param outerName
-     *            the internal name of the class to which the inner class
-     *            belongs (see {@link org.objectweb.asm.Type#getInternalName() getInternalName}).
-     *            May be <tt>null</tt> for not member classes.
-     * @param innerName
-     *            the (simple) name of the inner class inside its enclosing
-     *            class. May be <tt>null</tt> for anonymous inner classes.
-     * @param access
-     *            the access flags of the inner class as originally declared in
-     *            the enclosing class.
-     */
-    public abstract void visitInnerClass(final String name,
-            final String outerName, final String innerName, final int access);
-
-    /**
-     * Class field.
-     * See {@link org.objectweb.asm.ClassVisitor#visitField}.
-     *
-     * @param access
-     *            the field's access flags (see {@link Opcodes}). This parameter
-     *            also indicates if the field is synthetic and/or deprecated.
-     * @param name
-     *            the field's name.
-     * @param desc
-     *            the field's descriptor (see {@link org.objectweb.asm.Type Type}).
-     * @param signature
-     *            the field's signature. May be <tt>null</tt> if the field's
-     *            type does not use generic types.
-     * @param value
-     *            the field's initial value. This parameter, which may be
-     *            <tt>null</tt> if the field does not have an initial value,
-     *            must be an {@link Integer}, a {@link Float}, a {@link Long}, a
-     *            {@link Double} or a {@link String} (for <tt>int</tt>,
-     *            <tt>float</tt>, <tt>long</tt> or <tt>String</tt> fields
-     *            respectively). <i>This parameter is only used for static
-     *            fields</i>. Its value is ignored for non static fields, which
-     *            must be initialized through bytecode instructions in
-     *            constructors or methods.
-     * @return the printer
-     */
-    public abstract Printer visitField(final int access, final String name,
-            final String desc, final String signature, final Object value);
-
-    /**
-     * Class method.
-     * See {@link org.objectweb.asm.ClassVisitor#visitMethod}.
-     *
-     * @param access
-     *            the method's access flags (see {@link Opcodes}). This
-     *            parameter also indicates if the method is synthetic and/or
-     *            deprecated.
-     * @param name
-     *            the method's name.
-     * @param desc
-     *            the method's descriptor (see {@link org.objectweb.asm.Type Type}).
-     * @param signature
-     *            the method's signature. May be <tt>null</tt> if the method
-     *            parameters, return type and exceptions do not use generic
-     *            types.
-     * @param exceptions
-     *            the internal names of the method's exception classes (see
-     *            {@link org.objectweb.asm.Type#getInternalName() getInternalName}). May be
-     *            <tt>null</tt>.
-     * @return the printer
-     */
-    public abstract Printer visitMethod(final int access, final String name,
-            final String desc, final String signature, final String[] exceptions);
-
-    /**
-     * Class end. See {@link org.objectweb.asm.ClassVisitor#visitEnd}.
-     */
-    public abstract void visitClassEnd();
-
-    // ------------------------------------------------------------------------
-    // Module
-    // ------------------------------------------------------------------------
-    
-    public void visitMainClass(String mainClass) {
-        throw new RuntimeException("Must be overriden");
-    }
-
-    public void visitPackage(String packaze) {
-        throw new RuntimeException("Must be overriden");
-    }
-    
-    public void visitRequire(String module, int access, String version) {
-        throw new RuntimeException("Must be overriden");
-    }
-    
-    public void visitExport(String packaze, int access, String... modules) {
-        throw new RuntimeException("Must be overriden");
-    }
-    
-    public void visitOpen(String packaze, int access, String... modules) {
-        throw new RuntimeException("Must be overriden");
+  /** The names of the Java Virtual Machine opcodes. */
+  public static final String[] OPCODES = {
+    "NOP", // 0 (0x0)
+    "ACONST_NULL", // 1 (0x1)
+    "ICONST_M1", // 2 (0x2)
+    "ICONST_0", // 3 (0x3)
+    "ICONST_1", // 4 (0x4)
+    "ICONST_2", // 5 (0x5)
+    "ICONST_3", // 6 (0x6)
+    "ICONST_4", // 7 (0x7)
+    "ICONST_5", // 8 (0x8)
+    "LCONST_0", // 9 (0x9)
+    "LCONST_1", // 10 (0xa)
+    "FCONST_0", // 11 (0xb)
+    "FCONST_1", // 12 (0xc)
+    "FCONST_2", // 13 (0xd)
+    "DCONST_0", // 14 (0xe)
+    "DCONST_1", // 15 (0xf)
+    "BIPUSH", // 16 (0x10)
+    "SIPUSH", // 17 (0x11)
+    "LDC", // 18 (0x12)
+    "LDC_W", // 19 (0x13)
+    "LDC2_W", // 20 (0x14)
+    "ILOAD", // 21 (0x15)
+    "LLOAD", // 22 (0x16)
+    "FLOAD", // 23 (0x17)
+    "DLOAD", // 24 (0x18)
+    "ALOAD", // 25 (0x19)
+    "ILOAD_0", // 26 (0x1a)
+    "ILOAD_1", // 27 (0x1b)
+    "ILOAD_2", // 28 (0x1c)
+    "ILOAD_3", // 29 (0x1d)
+    "LLOAD_0", // 30 (0x1e)
+    "LLOAD_1", // 31 (0x1f)
+    "LLOAD_2", // 32 (0x20)
+    "LLOAD_3", // 33 (0x21)
+    "FLOAD_0", // 34 (0x22)
+    "FLOAD_1", // 35 (0x23)
+    "FLOAD_2", // 36 (0x24)
+    "FLOAD_3", // 37 (0x25)
+    "DLOAD_0", // 38 (0x26)
+    "DLOAD_1", // 39 (0x27)
+    "DLOAD_2", // 40 (0x28)
+    "DLOAD_3", // 41 (0x29)
+    "ALOAD_0", // 42 (0x2a)
+    "ALOAD_1", // 43 (0x2b)
+    "ALOAD_2", // 44 (0x2c)
+    "ALOAD_3", // 45 (0x2d)
+    "IALOAD", // 46 (0x2e)
+    "LALOAD", // 47 (0x2f)
+    "FALOAD", // 48 (0x30)
+    "DALOAD", // 49 (0x31)
+    "AALOAD", // 50 (0x32)
+    "BALOAD", // 51 (0x33)
+    "CALOAD", // 52 (0x34)
+    "SALOAD", // 53 (0x35)
+    "ISTORE", // 54 (0x36)
+    "LSTORE", // 55 (0x37)
+    "FSTORE", // 56 (0x38)
+    "DSTORE", // 57 (0x39)
+    "ASTORE", // 58 (0x3a)
+    "ISTORE_0", // 59 (0x3b)
+    "ISTORE_1", // 60 (0x3c)
+    "ISTORE_2", // 61 (0x3d)
+    "ISTORE_3", // 62 (0x3e)
+    "LSTORE_0", // 63 (0x3f)
+    "LSTORE_1", // 64 (0x40)
+    "LSTORE_2", // 65 (0x41)
+    "LSTORE_3", // 66 (0x42)
+    "FSTORE_0", // 67 (0x43)
+    "FSTORE_1", // 68 (0x44)
+    "FSTORE_2", // 69 (0x45)
+    "FSTORE_3", // 70 (0x46)
+    "DSTORE_0", // 71 (0x47)
+    "DSTORE_1", // 72 (0x48)
+    "DSTORE_2", // 73 (0x49)
+    "DSTORE_3", // 74 (0x4a)
+    "ASTORE_0", // 75 (0x4b)
+    "ASTORE_1", // 76 (0x4c)
+    "ASTORE_2", // 77 (0x4d)
+    "ASTORE_3", // 78 (0x4e)
+    "IASTORE", // 79 (0x4f)
+    "LASTORE", // 80 (0x50)
+    "FASTORE", // 81 (0x51)
+    "DASTORE", // 82 (0x52)
+    "AASTORE", // 83 (0x53)
+    "BASTORE", // 84 (0x54)
+    "CASTORE", // 85 (0x55)
+    "SASTORE", // 86 (0x56)
+    "POP", // 87 (0x57)
+    "POP2", // 88 (0x58)
+    "DUP", // 89 (0x59)
+    "DUP_X1", // 90 (0x5a)
+    "DUP_X2", // 91 (0x5b)
+    "DUP2", // 92 (0x5c)
+    "DUP2_X1", // 93 (0x5d)
+    "DUP2_X2", // 94 (0x5e)
+    "SWAP", // 95 (0x5f)
+    "IADD", // 96 (0x60)
+    "LADD", // 97 (0x61)
+    "FADD", // 98 (0x62)
+    "DADD", // 99 (0x63)
+    "ISUB", // 100 (0x64)
+    "LSUB", // 101 (0x65)
+    "FSUB", // 102 (0x66)
+    "DSUB", // 103 (0x67)
+    "IMUL", // 104 (0x68)
+    "LMUL", // 105 (0x69)
+    "FMUL", // 106 (0x6a)
+    "DMUL", // 107 (0x6b)
+    "IDIV", // 108 (0x6c)
+    "LDIV", // 109 (0x6d)
+    "FDIV", // 110 (0x6e)
+    "DDIV", // 111 (0x6f)
+    "IREM", // 112 (0x70)
+    "LREM", // 113 (0x71)
+    "FREM", // 114 (0x72)
+    "DREM", // 115 (0x73)
+    "INEG", // 116 (0x74)
+    "LNEG", // 117 (0x75)
+    "FNEG", // 118 (0x76)
+    "DNEG", // 119 (0x77)
+    "ISHL", // 120 (0x78)
+    "LSHL", // 121 (0x79)
+    "ISHR", // 122 (0x7a)
+    "LSHR", // 123 (0x7b)
+    "IUSHR", // 124 (0x7c)
+    "LUSHR", // 125 (0x7d)
+    "IAND", // 126 (0x7e)
+    "LAND", // 127 (0x7f)
+    "IOR", // 128 (0x80)
+    "LOR", // 129 (0x81)
+    "IXOR", // 130 (0x82)
+    "LXOR", // 131 (0x83)
+    "IINC", // 132 (0x84)
+    "I2L", // 133 (0x85)
+    "I2F", // 134 (0x86)
+    "I2D", // 135 (0x87)
+    "L2I", // 136 (0x88)
+    "L2F", // 137 (0x89)
+    "L2D", // 138 (0x8a)
+    "F2I", // 139 (0x8b)
+    "F2L", // 140 (0x8c)
+    "F2D", // 141 (0x8d)
+    "D2I", // 142 (0x8e)
+    "D2L", // 143 (0x8f)
+    "D2F", // 144 (0x90)
+    "I2B", // 145 (0x91)
+    "I2C", // 146 (0x92)
+    "I2S", // 147 (0x93)
+    "LCMP", // 148 (0x94)
+    "FCMPL", // 149 (0x95)
+    "FCMPG", // 150 (0x96)
+    "DCMPL", // 151 (0x97)
+    "DCMPG", // 152 (0x98)
+    "IFEQ", // 153 (0x99)
+    "IFNE", // 154 (0x9a)
+    "IFLT", // 155 (0x9b)
+    "IFGE", // 156 (0x9c)
+    "IFGT", // 157 (0x9d)
+    "IFLE", // 158 (0x9e)
+    "IF_ICMPEQ", // 159 (0x9f)
+    "IF_ICMPNE", // 160 (0xa0)
+    "IF_ICMPLT", // 161 (0xa1)
+    "IF_ICMPGE", // 162 (0xa2)
+    "IF_ICMPGT", // 163 (0xa3)
+    "IF_ICMPLE", // 164 (0xa4)
+    "IF_ACMPEQ", // 165 (0xa5)
+    "IF_ACMPNE", // 166 (0xa6)
+    "GOTO", // 167 (0xa7)
+    "JSR", // 168 (0xa8)
+    "RET", // 169 (0xa9)
+    "TABLESWITCH", // 170 (0xaa)
+    "LOOKUPSWITCH", // 171 (0xab)
+    "IRETURN", // 172 (0xac)
+    "LRETURN", // 173 (0xad)
+    "FRETURN", // 174 (0xae)
+    "DRETURN", // 175 (0xaf)
+    "ARETURN", // 176 (0xb0)
+    "RETURN", // 177 (0xb1)
+    "GETSTATIC", // 178 (0xb2)
+    "PUTSTATIC", // 179 (0xb3)
+    "GETFIELD", // 180 (0xb4)
+    "PUTFIELD", // 181 (0xb5)
+    "INVOKEVIRTUAL", // 182 (0xb6)
+    "INVOKESPECIAL", // 183 (0xb7)
+    "INVOKESTATIC", // 184 (0xb8)
+    "INVOKEINTERFACE", // 185 (0xb9)
+    "INVOKEDYNAMIC", // 186 (0xba)
+    "NEW", // 187 (0xbb)
+    "NEWARRAY", // 188 (0xbc)
+    "ANEWARRAY", // 189 (0xbd)
+    "ARRAYLENGTH", // 190 (0xbe)
+    "ATHROW", // 191 (0xbf)
+    "CHECKCAST", // 192 (0xc0)
+    "INSTANCEOF", // 193 (0xc1)
+    "MONITORENTER", // 194 (0xc2)
+    "MONITOREXIT", // 195 (0xc3)
+    "WIDE", // 196 (0xc4)
+    "MULTIANEWARRAY", // 197 (0xc5)
+    "IFNULL", // 198 (0xc6)
+    "IFNONNULL" // 199 (0xc7)
+  };
+
+  /**
+   * The names of the {@code operand} values of the {@link
+   * org.apache.tapestry5.internal.plastic.asm.MethodVisitor#visitIntInsn} method when {@code opcode} is {@code NEWARRAY}.
+   */
+  public static final String[] TYPES = {
+    "",
+    "",
+    "",
+    "",
+    "T_BOOLEAN",
+    "T_CHAR",
+    "T_FLOAT",
+    "T_DOUBLE",
+    "T_BYTE",
+    "T_SHORT",
+    "T_INT",
+    "T_LONG"
+  };
+
+  /** The names of the {@code tag} field values for {@link org.apache.tapestry5.internal.plastic.asm.Handle}. */
+  public static final String[] HANDLE_TAG = {
+    "",
+    "H_GETFIELD",
+    "H_GETSTATIC",
+    "H_PUTFIELD",
+    "H_PUTSTATIC",
+    "H_INVOKEVIRTUAL",
+    "H_INVOKESTATIC",
+    "H_INVOKESPECIAL",
+    "H_NEWINVOKESPECIAL",
+    "H_INVOKEINTERFACE"
+  };
+
+  /** Message of the UnsupportedOperationException thrown by methods which must be overridden. */
+  private static final String UNSUPPORTED_OPERATION = "Must be overridden";
+
+  /**
+   * The ASM API version implemented by this class. The value of this field must be one of {@link
+   * Opcodes#ASM4}, {@link Opcodes#ASM5}, {@link Opcodes#ASM6} or {@link Opcodes#ASM7}.
+   */
+  protected final int api;
+
+  /**
+   * A buffer that can be used to create strings.
+   *
+   * @deprecated use {@link #stringBuilder} instead.
+   */
+  @Deprecated protected final StringBuffer buf;
+
+  /** The builder used to build strings in the various visit methods. */
+  protected final StringBuilder stringBuilder;
+
+  /**
+   * The text to be printed. Since the code of methods is not necessarily visited in sequential
+   * order, one method after the other, but can be interlaced (some instructions from method one,
+   * then some instructions from method two, then some instructions from method one again...), it is
+   * not possible to print the visited instructions directly to a sequential stream. A class is
+   * therefore printed in a two steps process: a string tree is constructed during the visit, and
+   * printed to a sequential stream at the end of the visit. This string tree is stored in this
+   * field, as a string list that can contain other string lists, which can themselves contain other
+   * string lists, and so on.
+   */
+  public final List<Object> text;
+
+  // -----------------------------------------------------------------------------------------------
+  // Constructor
+  // -----------------------------------------------------------------------------------------------
+
+  /**
+   * Constructs a new {@link Printer}.
+   *
+   * @param api the ASM API version implemented by this printer. Must be one of {@link
+   *     Opcodes#ASM4}, {@link Opcodes#ASM5}, {@link Opcodes#ASM6} or {@link Opcodes#ASM7}.
+   */
+  protected Printer(final int api) {
+    this.api = api;
+    this.buf = null;
+    this.stringBuilder = new StringBuilder();
+    this.text = new ArrayList<Object>();
+  }
+
+  // -----------------------------------------------------------------------------------------------
+  // Classes
+  // -----------------------------------------------------------------------------------------------
+
+  /**
+   * Class header. See {@link org.apache.tapestry5.internal.plastic.asm.ClassVisitor#visit}.
+   *
+   * @param version the class version. The minor version is stored in the 16 most significant bits,
+   *     and the major version in the 16 least significant bits.
+   * @param access the class's access flags (see {@link Opcodes}). This parameter also indicates if
+   *     the class is deprecated.
+   * @param name the internal name of the class (see {@link
+   *     org.apache.tapestry5.internal.plastic.asm.Type#getInternalName()}).
+   * @param signature the signature of this class. May be {@literal null} if the class is not a
+   *     generic one, and does not extend or implement generic classes or interfaces.
+   * @param superName the internal of name of the super class (see {@link
+   *     org.apache.tapestry5.internal.plastic.asm.Type#getInternalName()}). For interfaces, the super class is {@link
+   *     Object}. May be {@literal null}, but only for the {@link Object} class.
+   * @param interfaces the internal names of the class's interfaces (see {@link
+   *     org.apache.tapestry5.internal.plastic.asm.Type#getInternalName()}). May be {@literal null}.
+   */
+  public abstract void visit(
+      int version,
+      int access,
+      String name,
+      String signature,
+      String superName,
+      String[] interfaces);
+
+  /**
+   * Class source. See {@link org.apache.tapestry5.internal.plastic.asm.ClassVisitor#visitSource}.
+   *
+   * @param source the name of the source file from which the class was compiled. May be {@literal
+   *     null}.
+   * @param debug additional debug information to compute the correspondence between source and
+   *     compiled elements of the class. May be {@literal null}.
+   */
+  public abstract void visitSource(String source, String debug);
+
+  /**
+   * Module. See {@link org.apache.tapestry5.internal.plastic.asm.ClassVisitor#visitModule}.
+   *
+   * @param name the fully qualified name (using dots) of the module.
+   * @param access the module access flags, among {@code ACC_OPEN}, {@code ACC_SYNTHETIC} and {@code
+   *     ACC_MANDATED}.
+   * @param version the module version, or {@literal null}.
+   * @return the printer.
+   */
+  public Printer visitModule(final String name, final int access, final String version) {
+    throw new UnsupportedOperationException(UNSUPPORTED_OPERATION);
+  }
+
+  /**
+   * Visits the nest host class of the class. A nest is a set of classes of the same package that
+   * share access to their private members. One of these classes, called the host, lists the other
+   * members of the nest, which in turn should link to the host of their nest. This method must be
+   * called only once and only if the visited class is a non-host member of a nest. A class is
+   * implicitly its own nest, so it's invalid to call this method with the visited class name as
+   * argument.
+   *
+   * @param nestHost the internal name of the host class of the nest.
+   */
+  public void visitNestHost(final String nestHost) {
+    throw new UnsupportedOperationException(UNSUPPORTED_OPERATION);
+  }
+
+  /**
+   * Class outer class. See {@link org.apache.tapestry5.internal.plastic.asm.ClassVisitor#visitOuterClass}.
+   *
+   * @param owner internal name of the enclosing class of the class.
+   * @param name the name of the method that contains the class, or {@literal null} if the class is
+   *     not enclosed in a method of its enclosing class.
+   * @param descriptor the descriptor of the method that contains the class, or {@literal null} if
+   *     the class is not enclosed in a method of its enclosing class.
+   */
+  public abstract void visitOuterClass(String owner, String name, String descriptor);
+
+  /**
+   * Class annotation. See {@link org.apache.tapestry5.internal.plastic.asm.ClassVisitor#visitAnnotation}.
+   *
+   * @param descriptor the class descriptor of the annotation class.
+   * @param visible {@literal true} if the annotation is visible at runtime.
+   * @return the printer.
+   */
+  public abstract Printer visitClassAnnotation(String descriptor, boolean visible);
+
+  /**
+   * Class type annotation. See {@link org.apache.tapestry5.internal.plastic.asm.ClassVisitor#visitTypeAnnotation}.
+   *
+   * @param typeRef a reference to the annotated type. The sort of this type reference must be
+   *     {@link org.apache.tapestry5.internal.plastic.asm.TypeReference#CLASS_TYPE_PARAMETER}, {@link
+   *     org.apache.tapestry5.internal.plastic.asm.TypeReference#CLASS_TYPE_PARAMETER_BOUND} or {@link
+   *     org.apache.tapestry5.internal.plastic.asm.TypeReference#CLASS_EXTENDS}. See {@link
+   *     org.apache.tapestry5.internal.plastic.asm.TypeReference}.
+   * @param typePath the path to the annotated type argument, wildcard bound, array element type, or
+   *     static inner type within 'typeRef'. May be {@literal null} if the annotation targets
+   *     'typeRef' as a whole.
+   * @param descriptor the class descriptor of the annotation class.
+   * @param visible {@literal true} if the annotation is visible at runtime.
+   * @return the printer.
+   */
+  public Printer visitClassTypeAnnotation(
+      final int typeRef, final TypePath typePath, final String descriptor, final boolean visible) {
+    throw new UnsupportedOperationException(UNSUPPORTED_OPERATION);
+  }
+
+  /**
+   * Class attribute. See {@link org.apache.tapestry5.internal.plastic.asm.ClassVisitor#visitAttribute}.
+   *
+   * @param attribute an attribute.
+   */
+  public abstract void visitClassAttribute(Attribute attribute);
+
+  /**
+   * Visits a member of the nest. A nest is a set of classes of the same package that share access
+   * to their private members. One of these classes, called the host, lists the other members of the
+   * nest, which in turn should link to the host of their nest. This method must be called only if
+   * the visited class is the host of a nest. A nest host is implicitly a member of its own nest, so
+   * it's invalid to call this method with the visited class name as argument.
+   *
+   * @param nestMember the internal name of a nest member.
+   */
+  public void visitNestMember(final String nestMember) {
+    throw new UnsupportedOperationException(UNSUPPORTED_OPERATION);
+  }
+
+  /**
+   * Class inner name. See {@link org.apache.tapestry5.internal.plastic.asm.ClassVisitor#visitInnerClass}.
+   *
+   * @param name the internal name of an inner class (see {@link
+   *     org.apache.tapestry5.internal.plastic.asm.Type#getInternalName()}).
+   * @param outerName the internal name of the class to which the inner class belongs (see {@link
+   *     org.apache.tapestry5.internal.plastic.asm.Type#getInternalName()}). May be {@literal null} for not member classes.
+   * @param innerName the (simple) name of the inner class inside its enclosing class. May be
+   *     {@literal null} for anonymous inner classes.
+   * @param access the access flags of the inner class as originally declared in the enclosing
+   *     class.
+   */
+  public abstract void visitInnerClass(String name, String outerName, String innerName, int access);
+
+  /**
+   * Class field. See {@link org.apache.tapestry5.internal.plastic.asm.ClassVisitor#visitField}.
+   *
+   * @param access the field's access flags (see {@link Opcodes}). This parameter also indicates if
+   *     the field is synthetic and/or deprecated.
+   * @param name the field's name.
+   * @param descriptor the field's descriptor (see {@link org.apache.tapestry5.internal.plastic.asm.Type}).
+   * @param signature the field's signature. May be {@literal null} if the field's type does not use
+   *     generic types.
+   * @param value the field's initial value. This parameter, which may be {@literal null} if the
+   *     field does not have an initial value, must be an {@link Integer}, a {@link Float}, a {@link
+   *     Long}, a {@link Double} or a {@link String} (for {@code int}, {@code float}, {@code long}
+   *     or {@code String} fields respectively). <i>This parameter is only used for static
+   *     fields</i>. Its value is ignored for non static fields, which must be initialized through
+   *     bytecode instructions in constructors or methods.
+   * @return the printer.
+   */
+  public abstract Printer visitField(
+      int access, String name, String descriptor, String signature, Object value);
+
+  /**
+   * Class method. See {@link org.apache.tapestry5.internal.plastic.asm.ClassVisitor#visitMethod}.
+   *
+   * @param access the method's access flags (see {@link Opcodes}). This parameter also indicates if
+   *     the method is synthetic and/or deprecated.
+   * @param name the method's name.
+   * @param descriptor the method's descriptor (see {@link org.apache.tapestry5.internal.plastic.asm.Type}).
+   * @param signature the method's signature. May be {@literal null} if the method parameters,
+   *     return type and exceptions do not use generic types.
+   * @param exceptions the internal names of the method's exception classes (see {@link
+   *     org.apache.tapestry5.internal.plastic.asm.Type#getInternalName()}). May be {@literal null}.
+   * @return the printer.
+   */
+  public abstract Printer visitMethod(
+      int access, String name, String descriptor, String signature, String[] exceptions);
+
+  /** Class end. See {@link org.apache.tapestry5.internal.plastic.asm.ClassVisitor#visitEnd}. */
+  public abstract void visitClassEnd();
+
+  // -----------------------------------------------------------------------------------------------
+  // Modules
+  // -----------------------------------------------------------------------------------------------
+
+  /**
+   * Module main class. See {@link org.apache.tapestry5.internal.plastic.asm.ModuleVisitor#visitMainClass}.
+   *
+   * @param mainClass the internal name of the main class of the current module.
+   */
+  public void visitMainClass(final String mainClass) {
+    throw new UnsupportedOperationException(UNSUPPORTED_OPERATION);
+  }
+
+  /**
+   * Module package. See {@link org.apache.tapestry5.internal.plastic.asm.ModuleVisitor#visitPackage}.
+   *
+   * @param packaze the internal name of a package.
+   */
+  public void visitPackage(final String packaze) {
+    throw new UnsupportedOperationException(UNSUPPORTED_OPERATION);
+  }
+
+  /**
+   * Module require. See {@link org.apache.tapestry5.internal.plastic.asm.ModuleVisitor#visitRequire}.
+   *
+   * @param module the fully qualified name (using dots) of the dependence.
+   * @param access the access flag of the dependence among {@code ACC_TRANSITIVE}, {@code
+   *     ACC_STATIC_PHASE}, {@code ACC_SYNTHETIC} and {@code ACC_MANDATED}.
+   * @param version the module version at compile time, or {@literal null}.
+   */
+  public void visitRequire(final String module, final int access, final String version) {
+    throw new UnsupportedOperationException(UNSUPPORTED_OPERATION);
+  }
+
+  /**
+   * Module export. See {@link org.apache.tapestry5.internal.plastic.asm.ModuleVisitor#visitExport}.
+   *
+   * @param packaze the internal name of the exported package.
+   * @param access the access flag of the exported package, valid values are among {@code
+   *     ACC_SYNTHETIC} and {@code ACC_MANDATED}.
+   * @param modules the fully qualified names (using dots) of the modules that can access the public
+   *     classes of the exported package, or {@literal null}.
+   */
+  public void visitExport(final String packaze, final int access, final String... modules) {
+    throw new UnsupportedOperationException(UNSUPPORTED_OPERATION);
+  }
+
+  /**
+   * Module open. See {@link org.apache.tapestry5.internal.plastic.asm.ModuleVisitor#visitOpen}.
+   *
+   * @param packaze the internal name of the opened package.
+   * @param access the access flag of the opened package, valid values are among {@code
+   *     ACC_SYNTHETIC} and {@code ACC_MANDATED}.
+   * @param modules the fully qualified names (using dots) of the modules that can use deep
+   *     reflection to the classes of the open package, or {@literal null}.
+   */
+  public void visitOpen(final String packaze, final int access, final String... modules) {
+    throw new UnsupportedOperationException(UNSUPPORTED_OPERATION);
+  }
+
+  /**
+   * Module use. See {@link org.apache.tapestry5.internal.plastic.asm.ModuleVisitor#visitUse}.
+   *
+   * @param service the internal name of the service.
+   */
+  public void visitUse(final String service) {
+    throw new UnsupportedOperationException(UNSUPPORTED_OPERATION);
+  }
+
+  /**
+   * Module provide. See {@link org.apache.tapestry5.internal.plastic.asm.ModuleVisitor#visitProvide}.
+   *
+   * @param service the internal name of the service.
+   * @param providers the internal names of the implementations of the service (there is at least
+   *     one provider).
+   */
+  public void visitProvide(final String service, final String... providers) {
+    throw new UnsupportedOperationException(UNSUPPORTED_OPERATION);
+  }
+
+  /** Module end. See {@link org.apache.tapestry5.internal.plastic.asm.ModuleVisitor#visitEnd}. */
+  public void visitModuleEnd() {
+    throw new UnsupportedOperationException(UNSUPPORTED_OPERATION);
+  }
+
+  // -----------------------------------------------------------------------------------------------
+  // Annotations
+  // -----------------------------------------------------------------------------------------------
+
+  /**
+   * Annotation value. See {@link org.apache.tapestry5.internal.plastic.asm.AnnotationVisitor#visit}.
+   *
+   * @param name the value name.
+   * @param value the actual value, whose type must be {@link Byte}, {@link Boolean}, {@link
+   *     Character}, {@link Short}, {@link Integer} , {@link Long}, {@link Float}, {@link Double},
+   *     {@link String} or {@link org.apache.tapestry5.internal.plastic.asm.Type} of {@link org.apache.tapestry5.internal.plastic.asm.Type#OBJECT}
+   *     or {@link org.apache.tapestry5.internal.plastic.asm.Type#ARRAY} sort. This value can also be an array of byte,
+   *     boolean, short, char, int, long, float or double values (this is equivalent to using {@link
+   *     #visitArray} and visiting each array element in turn, but is more convenient).
+   */
+  // DontCheck(OverloadMethodsDeclarationOrder): overloads are semantically different.
+  public abstract void visit(String name, Object value);
+
+  /**
+   * Annotation enum value. See {@link org.apache.tapestry5.internal.plastic.asm.AnnotationVisitor#visitEnum}.
+   *
+   * @param name the value name.
+   * @param descriptor the class descriptor of the enumeration class.
+   * @param value the actual enumeration value.
+   */
+  public abstract void visitEnum(String name, String descriptor, String value);
+
+  /**
+   * Nested annotation value. See {@link org.apache.tapestry5.internal.plastic.asm.AnnotationVisitor#visitAnnotation}.
+   *
+   * @param name the value name.
+   * @param descriptor the class descriptor of the nested annotation class.
+   * @return the printer.
+   */
+  public abstract Printer visitAnnotation(String name, String descriptor);
+
+  /**
+   * Annotation array value. See {@link org.apache.tapestry5.internal.plastic.asm.AnnotationVisitor#visitArray}.
+   *
+   * @param name the value name.
+   * @return the printer.
+   */
+  public abstract Printer visitArray(String name);
+
+  /** Annotation end. See {@link org.apache.tapestry5.internal.plastic.asm.AnnotationVisitor#visitEnd}. */
+  public abstract void visitAnnotationEnd();
+
+  // -----------------------------------------------------------------------------------------------
+  // Fields
+  // -----------------------------------------------------------------------------------------------
+
+  /**
+   * Field annotation. See {@link org.apache.tapestry5.internal.plastic.asm.FieldVisitor#visitAnnotation}.
+   *
+   * @param descriptor the class descriptor of the annotation class.
+   * @param visible {@literal true} if the annotation is visible at runtime.
+   * @return the printer.
+   */
+  public abstract Printer visitFieldAnnotation(String descriptor, boolean visible);
+
+  /**
+   * Field type annotation. See {@link org.apache.tapestry5.internal.plastic.asm.FieldVisitor#visitTypeAnnotation}.
+   *
+   * @param typeRef a reference to the annotated type. The sort of this type reference must be
+   *     {@link org.apache.tapestry5.internal.plastic.asm.TypeReference#FIELD}. See {@link org.apache.tapestry5.internal.plastic.asm.TypeReference}.
+   * @param typePath the path to the annotated type argument, wildcard bound, array element type, or
+   *     static inner type within 'typeRef'. May be {@literal null} if the annotation targets
+   *     'typeRef' as a whole.
+   * @param descriptor the class descriptor of the annotation class.
+   * @param visible {@literal true} if the annotation is visible at runtime.
+   * @return the printer.
+   */
+  public Printer visitFieldTypeAnnotation(
+      final int typeRef, final TypePath typePath, final String descriptor, final boolean visible) {
+    throw new UnsupportedOperationException(UNSUPPORTED_OPERATION);
+  }
+
+  /**
+   * Field attribute. See {@link org.apache.tapestry5.internal.plastic.asm.FieldVisitor#visitAttribute}.
+   *
+   * @param attribute an attribute.
+   */
+  public abstract void visitFieldAttribute(Attribute attribute);
+
+  /** Field end. See {@link org.apache.tapestry5.internal.plastic.asm.FieldVisitor#visitEnd}. */
+  public abstract void visitFieldEnd();
+
+  // -----------------------------------------------------------------------------------------------
+  // Methods
+  // -----------------------------------------------------------------------------------------------
+
+  /**
+   * Method parameter. See {@link org.apache.tapestry5.internal.plastic.asm.MethodVisitor#visitParameter(String, int)}.
+   *
+   * @param name parameter name or null if none is provided.
+   * @param access the parameter's access flags, only {@code ACC_FINAL}, {@code ACC_SYNTHETIC}
+   *     or/and {@code ACC_MANDATED} are allowed (see {@link Opcodes}).
+   */
+  public void visitParameter(final String name, final int access) {
+    throw new UnsupportedOperationException(UNSUPPORTED_OPERATION);
+  }
+
+  /**
+   * Method default annotation. See {@link org.apache.tapestry5.internal.plastic.asm.MethodVisitor#visitAnnotationDefault}.
+   *
+   * @return the printer.
+   */
+  public abstract Printer visitAnnotationDefault();
+
+  /**
+   * Method annotation. See {@link org.apache.tapestry5.internal.plastic.asm.MethodVisitor#visitAnnotation}.
+   *
+   * @param descriptor the class descriptor of the annotation class.
+   * @param visible {@literal true} if the annotation is visible at runtime.
+   * @return the printer.
+   */
+  public abstract Printer visitMethodAnnotation(String descriptor, boolean visible);
+
+  /**
+   * Method type annotation. See {@link org.apache.tapestry5.internal.plastic.asm.MethodVisitor#visitTypeAnnotation}.
+   *
+   * @param typeRef a reference to the annotated type. The sort of this type reference must be
+   *     {@link org.apache.tapestry5.internal.plastic.asm.TypeReference#METHOD_TYPE_PARAMETER}, {@link
+   *     org.apache.tapestry5.internal.plastic.asm.TypeReference#METHOD_TYPE_PARAMETER_BOUND}, {@link
+   *     org.apache.tapestry5.internal.plastic.asm.TypeReference#METHOD_RETURN}, {@link
+   *     org.apache.tapestry5.internal.plastic.asm.TypeReference#METHOD_RECEIVER}, {@link
+   *     org.apache.tapestry5.internal.plastic.asm.TypeReference#METHOD_FORMAL_PARAMETER} or {@link
+   *     org.apache.tapestry5.internal.plastic.asm.TypeReference#THROWS}. See {@link org.apache.tapestry5.internal.plastic.asm.TypeReference}.
+   * @param typePath the path to the annotated type argument, wildcard bound, array element type, or
+   *     static inner type within 'typeRef'. May be {@literal null} if the annotation targets
+   *     'typeRef' as a whole.
+   * @param descriptor the class descriptor of the annotation class.
+   * @param visible {@literal true} if the annotation is visible at runtime.
+   * @return the printer.
+   */
+  public Printer visitMethodTypeAnnotation(
+      final int typeRef, final TypePath typePath, final String descriptor, final boolean visible) {
+    throw new UnsupportedOperationException(UNSUPPORTED_OPERATION);
+  }
+
+  /**
+   * Number of method parameters that can have annotations. See {@link
+   * org.apache.tapestry5.internal.plastic.asm.MethodVisitor#visitAnnotableParameterCount}.
+   *
+   * @param parameterCount the number of method parameters than can have annotations. This number
+   *     must be less or equal than the number of parameter types in the method descriptor. It can
+   *     be strictly less when a method has synthetic parameters and when these parameters are
+   *     ignored when computing parameter indices for the purpose of parameter annotations (see
+   *     https://docs.oracle.com/javase/specs/jvms/se9/html/jvms-4.html#jvms-4.7.18).
+   * @param visible {@literal true} to define the number of method parameters that can have
+   *     annotations visible at runtime, {@literal false} to define the number of method parameters
+   *     that can have annotations invisible at runtime.
+   * @return the printer.
+   */
+  public Printer visitAnnotableParameterCount(final int parameterCount, final boolean visible) {
+    throw new UnsupportedOperationException(UNSUPPORTED_OPERATION);
+  }
+
+  /**
+   * Method parameter annotation. See {@link
+   * org.apache.tapestry5.internal.plastic.asm.MethodVisitor#visitParameterAnnotation}.
+   *
+   * @param parameter the parameter index. This index must be strictly smaller than the number of
+   *     parameters in the method descriptor, and strictly smaller than the parameter count
+   *     specified in {@link #visitAnnotableParameterCount}. Important note: <i>a parameter index i
+   *     is not required to correspond to the i'th parameter descriptor in the method
+   *     descriptor</i>, in particular in case of synthetic parameters (see
+   *     https://docs.oracle.com/javase/specs/jvms/se9/html/jvms-4.html#jvms-4.7.18).
+   * @param descriptor the class descriptor of the annotation class.
+   * @param visible {@literal true} if the annotation is visible at runtime.
+   * @return the printer.
+   */
+  public abstract Printer visitParameterAnnotation(
+      int parameter, String descriptor, boolean visible);
+
+  /**
+   * Method attribute. See {@link org.apache.tapestry5.internal.plastic.asm.MethodVisitor#visitAttribute}.
+   *
+   * @param attribute an attribute.
+   */
+  public abstract void visitMethodAttribute(Attribute attribute);
+
+  /** Method start. See {@link org.apache.tapestry5.internal.plastic.asm.MethodVisitor#visitCode}. */
+  public abstract void visitCode();
+
+  /**
+   * Method stack frame. See {@link org.apache.tapestry5.internal.plastic.asm.MethodVisitor#visitFrame}.
+   *
+   * @param type the type of this stack map frame. Must be {@link Opcodes#F_NEW} for expanded
+   *     frames, or {@link Opcodes#F_FULL}, {@link Opcodes#F_APPEND}, {@link Opcodes#F_CHOP}, {@link
+   *     Opcodes#F_SAME} or {@link Opcodes#F_APPEND}, {@link Opcodes#F_SAME1} for compressed frames.
+   * @param numLocal the number of local variables in the visited frame.
+   * @param local the local variable types in this frame. This array must not be modified. Primitive
+   *     types are represented by {@link Opcodes#TOP}, {@link Opcodes#INTEGER}, {@link
+   *     Opcodes#FLOAT}, {@link Opcodes#LONG}, {@link Opcodes#DOUBLE}, {@link Opcodes#NULL} or
+   *     {@link Opcodes#UNINITIALIZED_THIS} (long and double are represented by a single element).
+   *     Reference types are represented by String objects (representing internal names), and
+   *     uninitialized types by Label objects (this label designates the NEW instruction that
+   *     created this uninitialized value).
+   * @param numStack the number of operand stack elements in the visited frame.
+   * @param stack the operand stack types in this frame. This array must not be modified. Its
+   *     content has the same format as the "local" array.
+   */
+  public abstract void visitFrame(
+      int type, int numLocal, Object[] local, int numStack, Object[] stack);
+
+  /**
+   * Method instruction. See {@link org.apache.tapestry5.internal.plastic.asm.MethodVisitor#visitInsn}
+   *
+   * @param opcode the opcode of the instruction to be visited. This opcode is either NOP,
+   *     ACONST_NULL, ICONST_M1, ICONST_0, ICONST_1, ICONST_2, ICONST_3, ICONST_4, ICONST_5,
+   *     LCONST_0, LCONST_1, FCONST_0, FCONST_1, FCONST_2, DCONST_0, DCONST_1, IALOAD, LALOAD,
+   *     FALOAD, DALOAD, AALOAD, BALOAD, CALOAD, SALOAD, IASTORE, LASTORE, FASTORE, DASTORE,
+   *     AASTORE, BASTORE, CASTORE, SASTORE, POP, POP2, DUP, DUP_X1, DUP_X2, DUP2, DUP2_X1, DUP2_X2,
+   *     SWAP, IADD, LADD, FADD, DADD, ISUB, LSUB, FSUB, DSUB, IMUL, LMUL, FMUL, DMUL, IDIV, LDIV,
+   *     FDIV, DDIV, IREM, LREM, FREM, DREM, INEG, LNEG, FNEG, DNEG, ISHL, LSHL, ISHR, LSHR, IUSHR,
+   *     LUSHR, IAND, LAND, IOR, LOR, IXOR, LXOR, I2L, I2F, I2D, L2I, L2F, L2D, F2I, F2L, F2D, D2I,
+   *     D2L, D2F, I2B, I2C, I2S, LCMP, FCMPL, FCMPG, DCMPL, DCMPG, IRETURN, LRETURN, FRETURN,
+   *     DRETURN, ARETURN, RETURN, ARRAYLENGTH, ATHROW, MONITORENTER, or MONITOREXIT.
+   */
+  public abstract void visitInsn(int opcode);
+
+  /**
+   * Method instruction. See {@link org.apache.tapestry5.internal.plastic.asm.MethodVisitor#visitIntInsn}.
+   *
+   * @param opcode the opcode of the instruction to be visited. This opcode is either BIPUSH, SIPUSH
+   *     or NEWARRAY.
+   * @param operand the operand of the instruction to be visited.<br>
+   *     When opcode is BIPUSH, operand value should be between Byte.MIN_VALUE and Byte.MAX_VALUE.
+   *     <br>
+   *     When opcode is SIPUSH, operand value should be between Short.MIN_VALUE and Short.MAX_VALUE.
+   *     <br>
+   *     When opcode is NEWARRAY, operand value should be one of {@link Opcodes#T_BOOLEAN}, {@link
+   *     Opcodes#T_CHAR}, {@link Opcodes#T_FLOAT}, {@link Opcodes#T_DOUBLE}, {@link Opcodes#T_BYTE},
+   *     {@link Opcodes#T_SHORT}, {@link Opcodes#T_INT} or {@link Opcodes#T_LONG}.
+   */
+  public abstract void visitIntInsn(int opcode, int operand);
+
+  /**
+   * Method instruction. See {@link org.apache.tapestry5.internal.plastic.asm.MethodVisitor#visitVarInsn}.
+   *
+   * @param opcode the opcode of the local variable instruction to be visited. This opcode is either
+   *     ILOAD, LLOAD, FLOAD, DLOAD, ALOAD, ISTORE, LSTORE, FSTORE, DSTORE, ASTORE or RET.
+   * @param var the operand of the instruction to be visited. This operand is the index of a local
+   *     variable.
+   */
+  public abstract void visitVarInsn(int opcode, int var);
+
+  /**
+   * Method instruction. See {@link org.apache.tapestry5.internal.plastic.asm.MethodVisitor#visitTypeInsn}.
+   *
+   * @param opcode the opcode of the type instruction to be visited. This opcode is either NEW,
+   *     ANEWARRAY, CHECKCAST or INSTANCEOF.
+   * @param type the operand of the instruction to be visited. This operand must be the internal
+   *     name of an object or array class (see {@link org.apache.tapestry5.internal.plastic.asm.Type#getInternalName()}).
+   */
+  public abstract void visitTypeInsn(int opcode, String type);
+
+  /**
+   * Method instruction. See {@link org.apache.tapestry5.internal.plastic.asm.MethodVisitor#visitFieldInsn}.
+   *
+   * @param opcode the opcode of the type instruction to be visited. This opcode is either
+   *     GETSTATIC, PUTSTATIC, GETFIELD or PUTFIELD.
+   * @param owner the internal name of the field's owner class (see {@link
+   *     org.apache.tapestry5.internal.plastic.asm.Type#getInternalName()}).
+   * @param name the field's name.
+   * @param descriptor the field's descriptor (see {@link org.apache.tapestry5.internal.plastic.asm.Type}).
+   */
+  public abstract void visitFieldInsn(int opcode, String owner, String name, String descriptor);
+
+  /**
+   * Method instruction. See {@link org.apache.tapestry5.internal.plastic.asm.MethodVisitor#visitMethodInsn}.
+   *
+   * @param opcode the opcode of the type instruction to be visited. This opcode is either
+   *     INVOKEVIRTUAL, INVOKESPECIAL, INVOKESTATIC or INVOKEINTERFACE.
+   * @param owner the internal name of the method's owner class (see {@link
+   *     org.apache.tapestry5.internal.plastic.asm.Type#getInternalName()}).
+   * @param name the method's name.
+   * @param descriptor the method's descriptor (see {@link org.apache.tapestry5.internal.plastic.asm.Type}).
+   * @deprecated use {@link #visitMethodInsn(int, String, String, String, boolean)} instead.
+   */
+  @Deprecated
+  public void visitMethodInsn(
+      final int opcode, final String owner, final String name, final String descriptor) {
+    if (api >= Opcodes.ASM5) {
+      boolean isInterface = opcode == Opcodes.INVOKEINTERFACE;
+      visitMethodInsn(opcode, owner, name, descriptor, isInterface);
+      return;
     }
-    
-    public void visitUse(String service) {
-        throw new RuntimeException("Must be overriden");
+    throw new UnsupportedOperationException(UNSUPPORTED_OPERATION);
+  }
+
+  /**
+   * Method instruction. See {@link org.apache.tapestry5.internal.plastic.asm.MethodVisitor#visitMethodInsn}.
+   *
+   * @param opcode the opcode of the type instruction to be visited. This opcode is either
+   *     INVOKEVIRTUAL, INVOKESPECIAL, INVOKESTATIC or INVOKEINTERFACE.
+   * @param owner the internal name of the method's owner class (see {@link
+   *     org.apache.tapestry5.internal.plastic.asm.Type#getInternalName()}).
+   * @param name the method's name.
+   * @param descriptor the method's descriptor (see {@link org.apache.tapestry5.internal.plastic.asm.Type}).
+   * @param isInterface if the method's owner class is an interface.
+   */
+  public void visitMethodInsn(
+      final int opcode,
+      final String owner,
+      final String name,
+      final String descriptor,
+      final boolean isInterface) {
+    if (api < Opcodes.ASM5) {
+      if (isInterface != (opcode == Opcodes.INVOKEINTERFACE)) {
+        throw new IllegalArgumentException("INVOKESPECIAL/STATIC on interfaces require ASM 5");
+      }
+      visitMethodInsn(opcode, owner, name, descriptor);
+      return;
     }
-    
-    public void visitProvide(String service, String... providers) {
-        throw new RuntimeException("Must be overriden");
+    throw new UnsupportedOperationException(UNSUPPORTED_OPERATION);
+  }
+
+  /**
+   * Method instruction. See {@link org.apache.tapestry5.internal.plastic.asm.MethodVisitor#visitInvokeDynamicInsn}.
+   *
+   * @param name the method's name.
+   * @param descriptor the method's descriptor (see {@link org.apache.tapestry5.internal.plastic.asm.Type}).
+   * @param bootstrapMethodHandle the bootstrap method.
+   * @param bootstrapMethodArguments the bootstrap method constant arguments. Each argument must be
+   *     an {@link Integer}, {@link Float}, {@link Long}, {@link Double}, {@link String}, {@link
+   *     org.apache.tapestry5.internal.plastic.asm.Type} or {@link Handle} value. This method is allowed to modify the
+   *     content of the array so a caller should expect that this array may change.
+   */
+  public abstract void visitInvokeDynamicInsn(
+      String name,
+      String descriptor,
+      Handle bootstrapMethodHandle,
+      Object... bootstrapMethodArguments);
+
+  /**
+   * Method jump instruction. See {@link org.apache.tapestry5.internal.plastic.asm.MethodVisitor#visitJumpInsn}.
+   *
+   * @param opcode the opcode of the type instruction to be visited. This opcode is either IFEQ,
+   *     IFNE, IFLT, IFGE, IFGT, IFLE, IF_ICMPEQ, IF_ICMPNE, IF_ICMPLT, IF_ICMPGE, IF_ICMPGT,
+   *     IF_ICMPLE, IF_ACMPEQ, IF_ACMPNE, GOTO, JSR, IFNULL or IFNONNULL.
+   * @param label the operand of the instruction to be visited. This operand is a label that
+   *     designates the instruction to which the jump instruction may jump.
+   */
+  public abstract void visitJumpInsn(int opcode, Label label);
+
+  /**
+   * Method label. See {@link org.apache.tapestry5.internal.plastic.asm.MethodVisitor#visitLabel}.
+   *
+   * @param label a {@link Label} object.
+   */
+  public abstract void visitLabel(Label label);
+
+  /**
+   * Method instruction. See {@link org.apache.tapestry5.internal.plastic.asm.MethodVisitor#visitLdcInsn}.
+   *
+   * @param value the constant to be loaded on the stack. This parameter must be a non null {@link
+   *     Integer}, a {@link Float}, a {@link Long}, a {@link Double}, a {@link String}, a {@link
+   *     Type} of OBJECT or ARRAY sort for {@code .class} constants, for classes whose version is
+   *     49, a {@link Type} of METHOD sort for MethodType, a {@link Handle} for MethodHandle
+   *     constants, for classes whose version is 51 or a {@link ConstantDynamic} for a constant
+   *     dynamic for classes whose version is 55.
+   */
+  public abstract void visitLdcInsn(Object value);
+
+  /**
+   * Method instruction. See {@link org.apache.tapestry5.internal.plastic.asm.MethodVisitor#visitIincInsn}.
+   *
+   * @param var index of the local variable to be incremented.
+   * @param increment amount to increment the local variable by.
+   */
+  public abstract void visitIincInsn(int var, int increment);
+
+  /**
+   * Method instruction. See {@link org.apache.tapestry5.internal.plastic.asm.MethodVisitor#visitTableSwitchInsn}.
+   *
+   * @param min the minimum key value.
+   * @param max the maximum key value.
+   * @param dflt beginning of the default handler block.
+   * @param labels beginnings of the handler blocks. {@code labels[i]} is the beginning of the
+   *     handler block for the {@code min + i} key.
+   */
+  public abstract void visitTableSwitchInsn(int min, int max, Label dflt, Label... labels);
+
+  /**
+   * Method instruction. See {@link org.apache.tapestry5.internal.plastic.asm.MethodVisitor#visitLookupSwitchInsn}.
+   *
+   * @param dflt beginning of the default handler block.
+   * @param keys the values of the keys.
+   * @param labels beginnings of the handler blocks. {@code labels[i]} is the beginning of the
+   *     handler block for the {@code keys[i]} key.
+   */
+  public abstract void visitLookupSwitchInsn(Label dflt, int[] keys, Label[] labels);
+
+  /**
+   * Method instruction. See {@link org.apache.tapestry5.internal.plastic.asm.MethodVisitor#visitMultiANewArrayInsn}.
+   *
+   * @param descriptor an array type descriptor (see {@link org.apache.tapestry5.internal.plastic.asm.Type}).
+   * @param numDimensions the number of dimensions of the array to allocate.
+   */
+  public abstract void visitMultiANewArrayInsn(String descriptor, int numDimensions);
+
+  /**
+   * Instruction type annotation. See {@link org.apache.tapestry5.internal.plastic.asm.MethodVisitor#visitInsnAnnotation}.
+   *
+   * @param typeRef a reference to the annotated type. The sort of this type reference must be
+   *     {@link org.apache.tapestry5.internal.plastic.asm.TypeReference#INSTANCEOF}, {@link
+   *     org.apache.tapestry5.internal.plastic.asm.TypeReference#NEW}, {@link
+   *     org.apache.tapestry5.internal.plastic.asm.TypeReference#CONSTRUCTOR_REFERENCE}, {@link
+   *     org.apache.tapestry5.internal.plastic.asm.TypeReference#METHOD_REFERENCE}, {@link
+   *     org.apache.tapestry5.internal.plastic.asm.TypeReference#CAST}, {@link
+   *     org.apache.tapestry5.internal.plastic.asm.TypeReference#CONSTRUCTOR_INVOCATION_TYPE_ARGUMENT}, {@link
+   *     org.apache.tapestry5.internal.plastic.asm.TypeReference#METHOD_INVOCATION_TYPE_ARGUMENT}, {@link
+   *     org.apache.tapestry5.internal.plastic.asm.TypeReference#CONSTRUCTOR_REFERENCE_TYPE_ARGUMENT}, or {@link
+   *     org.apache.tapestry5.internal.plastic.asm.TypeReference#METHOD_REFERENCE_TYPE_ARGUMENT}. See {@link
+   *     org.apache.tapestry5.internal.plastic.asm.TypeReference}.
+   * @param typePath the path to the annotated type argument, wildcard bound, array element type, or
+   *     static inner type within 'typeRef'. May be {@literal null} if the annotation targets
+   *     'typeRef' as a whole.
+   * @param descriptor the class descriptor of the annotation class.
+   * @param visible {@literal true} if the annotation is visible at runtime.
+   * @return the printer.
+   */
+  public Printer visitInsnAnnotation(
+      final int typeRef, final TypePath typePath, final String descriptor, final boolean visible) {
+    throw new UnsupportedOperationException(UNSUPPORTED_OPERATION);
+  }
+
+  /**
+   * Method exception handler. See {@link org.apache.tapestry5.internal.plastic.asm.MethodVisitor#visitTryCatchBlock}.
+   *
+   * @param start the beginning of the exception handler's scope (inclusive).
+   * @param end the end of the exception handler's scope (exclusive).
+   * @param handler the beginning of the exception handler's code.
+   * @param type the internal name of the type of exceptions handled by the handler, or {@literal
+   *     null} to catch any exceptions (for "finally" blocks).
+   */
+  public abstract void visitTryCatchBlock(Label start, Label end, Label handler, String type);
+
+  /**
+   * Try catch block type annotation. See {@link
+   * org.apache.tapestry5.internal.plastic.asm.MethodVisitor#visitTryCatchAnnotation}.
+   *
+   * @param typeRef a reference to the annotated type. The sort of this type reference must be
+   *     {@link org.apache.tapestry5.internal.plastic.asm.TypeReference#EXCEPTION_PARAMETER}. See {@link
+   *     org.apache.tapestry5.internal.plastic.asm.TypeReference}.
+   * @param typePath the path to the annotated type argument, wildcard bound, array element type, or
+   *     static inner type within 'typeRef'. May be {@literal null} if the annotation targets
+   *     'typeRef' as a whole.
+   * @param descriptor the class descriptor of the annotation class.
+   * @param visible {@literal true} if the annotation is visible at runtime.
+   * @return the printer.
+   */
+  public Printer visitTryCatchAnnotation(
+      final int typeRef, final TypePath typePath, final String descriptor, final boolean visible) {
+    throw new UnsupportedOperationException(UNSUPPORTED_OPERATION);
+  }
+
+  /**
+   * Method debug info. See {@link org.apache.tapestry5.internal.plastic.asm.MethodVisitor#visitLocalVariable}.
+   *
+   * @param name the name of a local variable.
+   * @param descriptor the type descriptor of this local variable.
+   * @param signature the type signature of this local variable. May be {@literal null} if the local
+   *     variable type does not use generic types.
+   * @param start the first instruction corresponding to the scope of this local variable
+   *     (inclusive).
+   * @param end the last instruction corresponding to the scope of this local variable (exclusive).
+   * @param index the local variable's index.
+   */
+  public abstract void visitLocalVariable(
+      String name, String descriptor, String signature, Label start, Label end, int index);
+
+  /**
+   * Local variable type annotation. See {@link
+   * org.apache.tapestry5.internal.plastic.asm.MethodVisitor#visitTryCatchAnnotation}.
+   *
+   * @param typeRef a reference to the annotated type. The sort of this type reference must be
+   *     {@link org.apache.tapestry5.internal.plastic.asm.TypeReference#LOCAL_VARIABLE} or {@link
+   *     org.apache.tapestry5.internal.plastic.asm.TypeReference#RESOURCE_VARIABLE}. See {@link
+   *     org.apache.tapestry5.internal.plastic.asm.TypeReference}.
+   * @param typePath the path to the annotated type argument, wildcard bound, array element type, or
+   *     static inner type within 'typeRef'. May be {@literal null} if the annotation targets
+   *     'typeRef' as a whole.
+   * @param start the fist instructions corresponding to the continuous ranges that make the scope
+   *     of this local variable (inclusive).
+   * @param end the last instructions corresponding to the continuous ranges that make the scope of
+   *     this local variable (exclusive). This array must have the same size as the 'start' array.
+   * @param index the local variable's index in each range. This array must have the same size as
+   *     the 'start' array.
+   * @param descriptor the class descriptor of the annotation class.
+   * @param visible {@literal true} if the annotation is visible at runtime.
+   * @return the printer.
+   */
+  public Printer visitLocalVariableAnnotation(
+      final int typeRef,
+      final TypePath typePath,
+      final Label[] start,
+      final Label[] end,
+      final int[] index,
+      final String descriptor,
+      final boolean visible) {
+    throw new UnsupportedOperationException(UNSUPPORTED_OPERATION);
+  }
+
+  /**
+   * Method debug info. See {@link org.apache.tapestry5.internal.plastic.asm.MethodVisitor#visitLineNumber}.
+   *
+   * @param line a line number. This number refers to the source file from which the class was
+   *     compiled.
+   * @param start the first instruction corresponding to this line number.
+   */
+  public abstract void visitLineNumber(int line, Label start);
+
+  /**
+   * Method max stack and max locals. See {@link org.apache.tapestry5.internal.plastic.asm.MethodVisitor#visitMaxs}.
+   *
+   * @param maxStack maximum stack size of the method.
+   * @param maxLocals maximum number of local variables for the method.
+   */
+  public abstract void visitMaxs(int maxStack, int maxLocals);
+
+  /** Method end. See {@link org.apache.tapestry5.internal.plastic.asm.MethodVisitor#visitEnd}. */
+  public abstract void visitMethodEnd();
+
+  // -----------------------------------------------------------------------------------------------
+  // Print and utility methods
+  // -----------------------------------------------------------------------------------------------
+
+  /**
+   * Returns the text constructed by this visitor.
+   *
+   * @return the text constructed by this visitor. See {@link #text}.
+   */
+  public List<Object> getText() {
+    return text;
+  }
+
+  /**
+   * Prints the text constructed by this visitor.
+   *
+   * @param printWriter the print writer to be used.
+   */
+  public void print(final PrintWriter printWriter) {
+    printList(printWriter, text);
+  }
+
+  /**
+   * Prints the given string tree.
+   *
+   * @param printWriter the writer to be used to print the tree.
+   * @param list a string tree, i.e., a string list that can contain other string lists, and so on
+   *     recursively.
+   */
+  static void printList(final PrintWriter printWriter, final List<?> list) {
+    for (Object o : list) {
+      if (o instanceof List) {
+        printList(printWriter, (List<?>) o);
+      } else {
+        printWriter.print(o.toString());
+      }
     }
-    
-    /**
-     * Module end. See {@link org.objectweb.asm.ModuleVisitor#visitEnd}.
-     */
-    public void visitModuleEnd() {
-        throw new RuntimeException("Must be overriden");
-    }
-    
-    // ------------------------------------------------------------------------
-    // Annotations
-    // ------------------------------------------------------------------------
-
-    /**
-     * Annotation value.
-     * See {@link org.objectweb.asm.AnnotationVisitor#visit}.
-     *
-     * @param name
-     *            the value name.
-     * @param value
-     *            the actual value, whose type must be {@link Byte},
-     *            {@link Boolean}, {@link Character}, {@link Short},
-     *            {@link Integer} , {@link Long}, {@link Float}, {@link Double},
-     *            {@link String} or {@link org.objectweb.asm.Type}
-     *            or OBJECT or ARRAY sort.
-     *            This value can also be an array of byte, boolean, short, char, int,
-     *            long, float or double values (this is equivalent to using
-     *            {@link #visitArray visitArray} and visiting each array element
-     *            in turn, but is more convenient).
-     */
-    public abstract void visit(final String name, final Object value);
-
-    /**
-     * Annotation enum value.
-     * See {@link org.objectweb.asm.AnnotationVisitor#visitEnum}.
-     *
-     * Visits an enumeration value of the annotation.
-     *
-     * @param name
-     *            the value name.
-     * @param desc
-     *            the class descriptor of the enumeration class.
-     * @param value
-     *            the actual enumeration value.
-     */
-    public abstract void visitEnum(final String name, final String desc,
-            final String value);
-
-    /**
-     * Nested annotation value.
-     * See {@link org.objectweb.asm.AnnotationVisitor#visitAnnotation}.
-     *
-     * @param name
-     *            the value name.
-     * @param desc
-     *            the class descriptor of the nested annotation class.
-     * @return the printer
-     */
-    public abstract Printer visitAnnotation(final String name, final String desc);
-
-    /**
-     * Annotation array value.
-     * See {@link org.objectweb.asm.AnnotationVisitor#visitArray}.
-     *
-     * Visits an array value of the annotation. Note that arrays of primitive
-     * types (such as byte, boolean, short, char, int, long, float or double)
-     * can be passed as value to {@link #visit visit}. This is what
-     * {@link org.objectweb.asm.ClassReader} does.
-     *
-     * @param name
-     *            the value name.
-     * @return the printer
-     */
-    public abstract Printer visitArray(final String name);
-
-    /**
-     * Annotation end. See {@link org.objectweb.asm.AnnotationVisitor#visitEnd}.
-     */
-    public abstract void visitAnnotationEnd();
-
-    // ------------------------------------------------------------------------
-    // Fields
-    // ------------------------------------------------------------------------
-
-    /**
-     * Field annotation.
-     * See {@link org.objectweb.asm.FieldVisitor#visitAnnotation}.
-     *
-     * @param desc
-     *            the class descriptor of the annotation class.
-     * @param visible
-     *            <tt>true</tt> if the annotation is visible at runtime.
-     * @return the printer
-     */
-    public abstract Printer visitFieldAnnotation(final String desc,
-            final boolean visible);
-
-    /**
-     * Field type annotation.
-     * See {@link org.objectweb.asm.FieldVisitor#visitTypeAnnotation}.
-     *
-     * @param typeRef
-     *            a reference to the annotated type. The sort of this type
-     *            reference must be {@link org.objectweb.asm.TypeReference#FIELD FIELD}.
-     *            See {@link org.objectweb.asm.TypeReference}.
-     * @param typePath
-     *            the path to the annotated type argument, wildcard bound, array
-     *            element type, or static inner type within 'typeRef'. May be
-     *            <tt>null</tt> if the annotation targets 'typeRef' as a whole.
-     * @param desc
-     *            the class descriptor of the annotation class.
-     * @param visible
-     *            <tt>true</tt> if the annotation is visible at runtime.
-     * @return the printer
-     */
-    public Printer visitFieldTypeAnnotation(final int typeRef,
-            final TypePath typePath, final String desc, final boolean visible) {
-        throw new RuntimeException("Must be overriden");
-    }
-
-    /**
-     * Field attribute.
-     * See {@link org.objectweb.asm.FieldVisitor#visitAttribute}.
-     *
-     * @param attr
-     *            an attribute.
-     */
-    public abstract void visitFieldAttribute(final Attribute attr);
-
-    /**
-     * Field end.
-     * See {@link org.objectweb.asm.FieldVisitor#visitEnd}.
-     */
-    public abstract void visitFieldEnd();
-
-    // ------------------------------------------------------------------------
-    // Methods
-    // ------------------------------------------------------------------------
-
-    /**
-     * Method parameter.
-     * See {@link org.objectweb.asm.MethodVisitor#visitParameter(String, int)}.
-     *
-     * @param name
-     *            parameter name or null if none is provided.
-     * @param access
-     *            the parameter's access flags, only <tt>ACC_FINAL</tt>,
-     *            <tt>ACC_SYNTHETIC</tt> or/and <tt>ACC_MANDATED</tt> are
-     *            allowed (see {@link Opcodes}).
-     */
-    public void visitParameter(String name, int access) {
-        throw new RuntimeException("Must be overriden");
-    }
-
-    /**
-     * Method default annotation.
-     * See {@link org.objectweb.asm.MethodVisitor#visitAnnotationDefault}.
-     *
-     * @return the printer
-     */
-    public abstract Printer visitAnnotationDefault();
-
-    /**
-     * Method annotation.
-     * See {@link org.objectweb.asm.MethodVisitor#visitAnnotation}.
-     *
-     * @param desc
-     *            the class descriptor of the annotation class.
-     * @param visible
-     *            <tt>true</tt> if the annotation is visible at runtime.
-     * @return the printer
-     */
-    public abstract Printer visitMethodAnnotation(final String desc,
-            final boolean visible);
-
-    /**
-     * Method type annotation.
-     * See {@link org.objectweb.asm.MethodVisitor#visitTypeAnnotation}.
-     *
-     * @param typeRef
-     *            a reference to the annotated type. The sort of this type
-     *            reference must be {@link org.objectweb.asm.TypeReference#FIELD FIELD}.
-     *            See {@link org.objectweb.asm.TypeReference}.
-     * @param typePath
-     *            the path to the annotated type argument, wildcard bound, array
-     *            element type, or static inner type within 'typeRef'. May be
-     *            <tt>null</tt> if the annotation targets 'typeRef' as a whole.
-     * @param desc
-     *            the class descriptor of the annotation class.
-     * @param visible
-     *            <tt>true</tt> if the annotation is visible at runtime.
-     * @return the printer
-     */
-    public Printer visitMethodTypeAnnotation(final int typeRef,
-            final TypePath typePath, final String desc, final boolean visible) {
-        throw new RuntimeException("Must be overriden");
-    }
-
-    /**
-     * Method parameter annotation.
-     * See {@link org.objectweb.asm.MethodVisitor#visitParameterAnnotation}.
-     *
-     * @param parameter
-     *            the parameter index.
-     * @param desc
-     *            the class descriptor of the annotation class.
-     * @param visible
-     *            <tt>true</tt> if the annotation is visible at runtime.
-     * @return the printer
-     */
-    public abstract Printer visitParameterAnnotation(final int parameter,
-            final String desc, final boolean visible);
-
-    /**
-     * Method attribute.
-     * See {@link org.objectweb.asm.MethodVisitor#visitAttribute}.
-     *
-     * @param attr
-     *            an attribute.
-     */
-    public abstract void visitMethodAttribute(final Attribute attr);
-
-    /**
-     * Method start.
-     * See {@link org.objectweb.asm.MethodVisitor#visitCode}.
-     */
-    public abstract void visitCode();
-
-    /**
-     * Method stack frame.
-     * See {@link org.objectweb.asm.MethodVisitor#visitFrame}.
-     *
-     * Visits the current state of the local variables and operand stack
-     * elements. This method must(*) be called <i>just before</i> any
-     * instruction <b>i</b> that follows an unconditional branch instruction
-     * such as GOTO or THROW, that is the target of a jump instruction, or that
-     * starts an exception handler block. The visited types must describe the
-     * values of the local variables and of the operand stack elements <i>just
-     * before</i> <b>i</b> is executed.<br>
-     * <br>
-     * (*) this is mandatory only for classes whose version is greater than or
-     * equal to {@link Opcodes#V1_6 V1_6}. <br>
-     * <br>
-     * The frames of a method must be given either in expanded form, or in
-     * compressed form (all frames must use the same format, i.e. you must not
-     * mix expanded and compressed frames within a single method):
-     * <ul>
-     * <li>In expanded form, all frames must have the F_NEW type.</li>
-     * <li>In compressed form, frames are basically "deltas" from the state of
-     * the previous frame:
-     * <ul>
-     * <li>{@link Opcodes#F_SAME} representing frame with exactly the same
-     * locals as the previous frame and with the empty stack.</li>
-     * <li>{@link Opcodes#F_SAME1} representing frame with exactly the same
-     * locals as the previous frame and with single value on the stack (
-     * <code>nStack</code> is 1 and <code>stack[0]</code> contains value for the
-     * type of the stack item).</li>
-     * <li>{@link Opcodes#F_APPEND} representing frame with current locals are
-     * the same as the locals in the previous frame, except that additional
-     * locals are defined (<code>nLocal</code> is 1, 2 or 3 and
-     * <code>local</code> elements contains values representing added types).</li>
-     * <li>{@link Opcodes#F_CHOP} representing frame with current locals are the
-     * same as the locals in the previous frame, except that the last 1-3 locals
-     * are absent and with the empty stack (<code>nLocals</code> is 1, 2 or 3).</li>
-     * <li>{@link Opcodes#F_FULL} representing complete frame data.</li>
-     * </ul>
-     * </li>
-     * </ul>
-     * <br>
-     * In both cases the first frame, corresponding to the method's parameters
-     * and access flags, is implicit and must not be visited. Also, it is
-     * illegal to visit two or more frames for the same code location (i.e., at
-     * least one instruction must be visited between two calls to visitFrame).
-     *
-     * @param type
-     *            the type of this stack map frame. Must be
-     *            {@link Opcodes#F_NEW} for expanded frames, or
-     *            {@link Opcodes#F_FULL}, {@link Opcodes#F_APPEND},
-     *            {@link Opcodes#F_CHOP}, {@link Opcodes#F_SAME} or
-     *            {@link Opcodes#F_APPEND}, {@link Opcodes#F_SAME1} for
-     *            compressed frames.
-     * @param nLocal
-     *            the number of local variables in the visited frame.
-     * @param local
-     *            the local variable types in this frame. This array must not be
-     *            modified. Primitive types are represented by
-     *            {@link Opcodes#TOP}, {@link Opcodes#INTEGER},
-     *            {@link Opcodes#FLOAT}, {@link Opcodes#LONG},
-     *            {@link Opcodes#DOUBLE},{@link Opcodes#NULL} or
-     *            {@link Opcodes#UNINITIALIZED_THIS} (long and double are
-     *            represented by a single element). Reference types are
-     *            represented by String objects (representing internal names),
-     *            and uninitialized types by Label objects (this label
-     *            designates the NEW instruction that created this uninitialized
-     *            value).
-     * @param nStack
-     *            the number of operand stack elements in the visited frame.
-     * @param stack
-     *            the operand stack types in this frame. This array must not be
-     *            modified. Its content has the same format as the "local"
-     *            array.
-     * @throws IllegalStateException
-     *             if a frame is visited just after another one, without any
-     *             instruction between the two (unless this frame is a
-     *             Opcodes#F_SAME frame, in which case it is silently ignored).
-     */
-    public abstract void visitFrame(final int type, final int nLocal,
-            final Object[] local, final int nStack, final Object[] stack);
-
-    /**
-     * Method instruction.
-     * See {@link org.objectweb.asm.MethodVisitor#visitInsn}
-     *
-     * @param opcode
-     *            the opcode of the instruction to be visited. This opcode is
-     *            either NOP, ACONST_NULL, ICONST_M1, ICONST_0, ICONST_1,
-     *            ICONST_2, ICONST_3, ICONST_4, ICONST_5, LCONST_0, LCONST_1,
-     *            FCONST_0, FCONST_1, FCONST_2, DCONST_0, DCONST_1, IALOAD,
-     *            LALOAD, FALOAD, DALOAD, AALOAD, BALOAD, CALOAD, SALOAD,
-     *            IASTORE, LASTORE, FASTORE, DASTORE, AASTORE, BASTORE, CASTORE,
-     *            SASTORE, POP, POP2, DUP, DUP_X1, DUP_X2, DUP2, DUP2_X1,
-     *            DUP2_X2, SWAP, IADD, LADD, FADD, DADD, ISUB, LSUB, FSUB, DSUB,
-     *            IMUL, LMUL, FMUL, DMUL, IDIV, LDIV, FDIV, DDIV, IREM, LREM,
-     *            FREM, DREM, INEG, LNEG, FNEG, DNEG, ISHL, LSHL, ISHR, LSHR,
-     *            IUSHR, LUSHR, IAND, LAND, IOR, LOR, IXOR, LXOR, I2L, I2F, I2D,
-     *            L2I, L2F, L2D, F2I, F2L, F2D, D2I, D2L, D2F, I2B, I2C, I2S,
-     *            LCMP, FCMPL, FCMPG, DCMPL, DCMPG, IRETURN, LRETURN, FRETURN,
-     *            DRETURN, ARETURN, RETURN, ARRAYLENGTH, ATHROW, MONITORENTER,
-     *            or MONITOREXIT.
-     */
-    public abstract void visitInsn(final int opcode);
-
-    /**
-     * Method instruction.
-     * See {@link org.objectweb.asm.MethodVisitor#visitIntInsn}.
-     *
-     * @param opcode
-     *            the opcode of the instruction to be visited. This opcode is
-     *            either BIPUSH, SIPUSH or NEWARRAY.
-     * @param operand
-     *            the operand of the instruction to be visited.<br>
-     *            When opcode is BIPUSH, operand value should be between
-     *            Byte.MIN_VALUE and Byte.MAX_VALUE.<br>
-     *            When opcode is SIPUSH, operand value should be between
-     *            Short.MIN_VALUE and Short.MAX_VALUE.<br>
-     *            When opcode is NEWARRAY, operand value should be one of
-     *            {@link Opcodes#T_BOOLEAN}, {@link Opcodes#T_CHAR},
-     *            {@link Opcodes#T_FLOAT}, {@link Opcodes#T_DOUBLE},
-     *            {@link Opcodes#T_BYTE}, {@link Opcodes#T_SHORT},
-     *            {@link Opcodes#T_INT} or {@link Opcodes#T_LONG}.
-     */
-    public abstract void visitIntInsn(final int opcode, final int operand);
-
-    /**
-     * Method instruction.
-     * See {@link org.objectweb.asm.MethodVisitor#visitVarInsn}.
-     *
-     * @param opcode
-     *            the opcode of the local variable instruction to be visited.
-     *            This opcode is either ILOAD, LLOAD, FLOAD, DLOAD, ALOAD,
-     *            ISTORE, LSTORE, FSTORE, DSTORE, ASTORE or RET.
-     * @param var
-     *            the operand of the instruction to be visited. This operand is
-     *            the index of a local variable.
-     */
-    public abstract void visitVarInsn(final int opcode, final int var);
-
-    /**
-     * Method instruction.
-     * See {@link org.objectweb.asm.MethodVisitor#visitTypeInsn}.
-     *
-    /**
-     * Visits a type instruction. A type instruction is an instruction that
-     * takes the internal name of a class as parameter.
-     *
-     * @param opcode
-     *            the opcode of the type instruction to be visited. This opcode
-     *            is either NEW, ANEWARRAY, CHECKCAST or INSTANCEOF.
-     * @param type
-     *            the operand of the instruction to be visited. This operand
-     *            must be the internal name of an object or array class (see
-     *            {@link org.objectweb.asm.Type#getInternalName() getInternalName}).
-     */
-    public abstract void visitTypeInsn(final int opcode, final String type);
-
-    /**
-     * Method instruction.
-     * See {@link org.objectweb.asm.MethodVisitor#visitFieldInsn}.
-     *
-     * @param opcode
-     *            the opcode of the type instruction to be visited. This opcode
-     *            is either GETSTATIC, PUTSTATIC, GETFIELD or PUTFIELD.
-     * @param owner
-     *            the internal name of the field's owner class (see
-     *            {@link org.objectweb.asm.Type#getInternalName() getInternalName}).
-     * @param name
-     *            the field's name.
-     * @param desc
-     *            the field's descriptor (see {@link org.objectweb.asm.Type Type}).
-     */
-    public abstract void visitFieldInsn(final int opcode, final String owner,
-            final String name, final String desc);
-
-    /**
-     * Method instruction.
-     * See {@link org.objectweb.asm.MethodVisitor#visitMethodInsn}.
-     *
-     * @param opcode
-     *            the opcode of the type instruction to be visited. This opcode
-     *            is either INVOKEVIRTUAL, INVOKESPECIAL, INVOKESTATIC or
-     *            INVOKEINTERFACE.
-     * @param owner
-     *            the internal name of the method's owner class (see
-     *            {@link org.objectweb.asm.Type#getInternalName() getInt

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