| /*** |
| * ASM XML Adapter |
| * Copyright (c) 2004, Eugene Kuleshov |
| * 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.xml; |
| |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import org.objectweb.asm.AnnotationVisitor; |
| import org.objectweb.asm.ClassVisitor; |
| import org.objectweb.asm.ClassWriter; |
| import org.objectweb.asm.FieldVisitor; |
| import org.objectweb.asm.MethodVisitor; |
| import org.objectweb.asm.Opcodes; |
| import org.objectweb.asm.Label; |
| import org.objectweb.asm.Type; |
| |
| import org.xml.sax.Attributes; |
| import org.xml.sax.SAXException; |
| import org.xml.sax.helpers.DefaultHandler; |
| |
| /** |
| * A {@link org.xml.sax.ContentHandler ContentHandler} that transforms XML |
| * document into Java class file. This class can be feeded by any kind of SAX |
| * 2.0 event producers, e.g. XML parser, XSLT or XPath engines, or custom code. |
| * |
| * @see org.objectweb.asm.xml.SAXClassAdapter |
| * @see org.objectweb.asm.xml.Processor |
| * |
| * @author Eugene Kuleshov |
| */ |
| public class ASMContentHandler extends DefaultHandler implements Opcodes { |
| |
| /** |
| * Stack of the intermediate processing contexts. |
| */ |
| private final List stack = new ArrayList(); |
| |
| /** |
| * Complete name of the current element. |
| */ |
| private String match = ""; |
| |
| /** |
| * <tt>true</tt> if the maximum stack size and number of local variables |
| * must be automatically computed. |
| */ |
| protected boolean computeMax; |
| |
| /** |
| * Output stream to write result bytecode. |
| */ |
| protected OutputStream os; |
| |
| /** |
| * Current instance of the {@link ClassWriter ClassWriter} used to write |
| * class bytecode. |
| */ |
| protected ClassWriter cw; |
| |
| /** |
| * Map of the active {@link Label Label} instances for current method. |
| */ |
| protected HashMap labels; |
| |
| private static final String BASE = "class"; |
| |
| private final RuleSet RULES = new RuleSet(); |
| { |
| RULES.add(BASE, new ClassRule()); |
| RULES.add(BASE + "/interfaces/interface", new InterfaceRule()); |
| RULES.add(BASE + "/interfaces", new InterfacesRule()); |
| RULES.add(BASE + "/outerclass", new OuterClassRule()); |
| RULES.add(BASE + "/innerclass", new InnerClassRule()); |
| RULES.add(BASE + "/source", new SourceRule()); |
| RULES.add(BASE + "/field", new FieldRule()); |
| |
| RULES.add(BASE + "/method", new MethodRule()); |
| RULES.add(BASE + "/method/exceptions/exception", new ExceptionRule()); |
| RULES.add(BASE + "/method/exceptions", new ExceptionsRule()); |
| |
| RULES.add(BASE + "/method/annotationDefault", |
| new AnnotationDefaultRule()); |
| |
| RULES.add(BASE + "/method/code/*", new OpcodesRule()); // opcodes |
| |
| RULES.add(BASE + "/method/code/frame", new FrameRule()); |
| RULES.add(BASE + "/method/code/frame/local", new FrameTypeRule()); |
| RULES.add(BASE + "/method/code/frame/stack", new FrameTypeRule()); |
| |
| RULES.add(BASE + "/method/code/TABLESWITCH", new TableSwitchRule()); |
| RULES.add(BASE + "/method/code/TABLESWITCH/label", |
| new TableSwitchLabelRule()); |
| RULES.add(BASE + "/method/code/LOOKUPSWITCH", new LookupSwitchRule()); |
| RULES.add(BASE + "/method/code/LOOKUPSWITCH/label", |
| new LookupSwitchLabelRule()); |
| |
| RULES.add(BASE + "/method/code/Label", new LabelRule()); |
| RULES.add(BASE + "/method/code/TryCatch", new TryCatchRule()); |
| RULES.add(BASE + "/method/code/LineNumber", new LineNumberRule()); |
| RULES.add(BASE + "/method/code/LocalVar", new LocalVarRule()); |
| RULES.add(BASE + "/method/code/Max", new MaxRule()); |
| |
| RULES.add("*/annotation", new AnnotationRule()); |
| RULES.add("*/parameterAnnotation", new AnnotationParameterRule()); |
| RULES.add("*/annotationValue", new AnnotationValueRule()); |
| RULES.add("*/annotationValueAnnotation", |
| new AnnotationValueAnnotationRule()); |
| RULES.add("*/annotationValueEnum", new AnnotationValueEnumRule()); |
| RULES.add("*/annotationValueArray", new AnnotationValueArrayRule()); |
| }; |
| |
| private static interface OpcodeGroup { |
| public static final int INSN = 0; |
| public static final int INSN_INT = 1; |
| public static final int INSN_VAR = 2; |
| public static final int INSN_TYPE = 3; |
| public static final int INSN_FIELD = 4; |
| public static final int INSN_METHOD = 5; |
| public static final int INSN_JUMP = 6; |
| public static final int INSN_LDC = 7; |
| public static final int INSN_IINC = 8; |
| public static final int INSN_MULTIANEWARRAY = 9; |
| } |
| |
| /** |
| * Map of the opcode names to opcode and opcode group |
| */ |
| static final HashMap OPCODES = new HashMap(); |
| static { |
| OPCODES.put("NOP", new Opcode(NOP, OpcodeGroup.INSN)); |
| OPCODES.put("ACONST_NULL", new Opcode(ACONST_NULL, OpcodeGroup.INSN)); |
| OPCODES.put("ICONST_M1", new Opcode(ICONST_M1, OpcodeGroup.INSN)); |
| OPCODES.put("ICONST_0", new Opcode(ICONST_0, OpcodeGroup.INSN)); |
| OPCODES.put("ICONST_1", new Opcode(ICONST_1, OpcodeGroup.INSN)); |
| OPCODES.put("ICONST_2", new Opcode(ICONST_2, OpcodeGroup.INSN)); |
| OPCODES.put("ICONST_3", new Opcode(ICONST_3, OpcodeGroup.INSN)); |
| OPCODES.put("ICONST_4", new Opcode(ICONST_4, OpcodeGroup.INSN)); |
| OPCODES.put("ICONST_5", new Opcode(ICONST_5, OpcodeGroup.INSN)); |
| OPCODES.put("LCONST_0", new Opcode(LCONST_0, OpcodeGroup.INSN)); |
| OPCODES.put("LCONST_1", new Opcode(LCONST_1, OpcodeGroup.INSN)); |
| OPCODES.put("FCONST_0", new Opcode(FCONST_0, OpcodeGroup.INSN)); |
| OPCODES.put("FCONST_1", new Opcode(FCONST_1, OpcodeGroup.INSN)); |
| OPCODES.put("FCONST_2", new Opcode(FCONST_2, OpcodeGroup.INSN)); |
| OPCODES.put("DCONST_0", new Opcode(DCONST_0, OpcodeGroup.INSN)); |
| OPCODES.put("DCONST_1", new Opcode(DCONST_1, OpcodeGroup.INSN)); |
| OPCODES.put("BIPUSH", new Opcode(BIPUSH, OpcodeGroup.INSN_INT)); |
| OPCODES.put("SIPUSH", new Opcode(SIPUSH, OpcodeGroup.INSN_INT)); |
| OPCODES.put("LDC", new Opcode(LDC, OpcodeGroup.INSN_LDC)); |
| OPCODES.put("ILOAD", new Opcode(ILOAD, OpcodeGroup.INSN_VAR)); |
| OPCODES.put("LLOAD", new Opcode(LLOAD, OpcodeGroup.INSN_VAR)); |
| OPCODES.put("FLOAD", new Opcode(FLOAD, OpcodeGroup.INSN_VAR)); |
| OPCODES.put("DLOAD", new Opcode(DLOAD, OpcodeGroup.INSN_VAR)); |
| OPCODES.put("ALOAD", new Opcode(ALOAD, OpcodeGroup.INSN_VAR)); |
| OPCODES.put("IALOAD", new Opcode(IALOAD, OpcodeGroup.INSN)); |
| OPCODES.put("LALOAD", new Opcode(LALOAD, OpcodeGroup.INSN)); |
| OPCODES.put("FALOAD", new Opcode(FALOAD, OpcodeGroup.INSN)); |
| OPCODES.put("DALOAD", new Opcode(DALOAD, OpcodeGroup.INSN)); |
| OPCODES.put("AALOAD", new Opcode(AALOAD, OpcodeGroup.INSN)); |
| OPCODES.put("BALOAD", new Opcode(BALOAD, OpcodeGroup.INSN)); |
| OPCODES.put("CALOAD", new Opcode(CALOAD, OpcodeGroup.INSN)); |
| OPCODES.put("SALOAD", new Opcode(SALOAD, OpcodeGroup.INSN)); |
| OPCODES.put("ISTORE", new Opcode(ISTORE, OpcodeGroup.INSN_VAR)); |
| OPCODES.put("LSTORE", new Opcode(LSTORE, OpcodeGroup.INSN_VAR)); |
| OPCODES.put("FSTORE", new Opcode(FSTORE, OpcodeGroup.INSN_VAR)); |
| OPCODES.put("DSTORE", new Opcode(DSTORE, OpcodeGroup.INSN_VAR)); |
| OPCODES.put("ASTORE", new Opcode(ASTORE, OpcodeGroup.INSN_VAR)); |
| OPCODES.put("IASTORE", new Opcode(IASTORE, OpcodeGroup.INSN)); |
| OPCODES.put("LASTORE", new Opcode(LASTORE, OpcodeGroup.INSN)); |
| OPCODES.put("FASTORE", new Opcode(FASTORE, OpcodeGroup.INSN)); |
| OPCODES.put("DASTORE", new Opcode(DASTORE, OpcodeGroup.INSN)); |
| OPCODES.put("AASTORE", new Opcode(AASTORE, OpcodeGroup.INSN)); |
| OPCODES.put("BASTORE", new Opcode(BASTORE, OpcodeGroup.INSN)); |
| OPCODES.put("CASTORE", new Opcode(CASTORE, OpcodeGroup.INSN)); |
| OPCODES.put("SASTORE", new Opcode(SASTORE, OpcodeGroup.INSN)); |
| OPCODES.put("POP", new Opcode(POP, OpcodeGroup.INSN)); |
| OPCODES.put("POP2", new Opcode(POP2, OpcodeGroup.INSN)); |
| OPCODES.put("DUP", new Opcode(DUP, OpcodeGroup.INSN)); |
| OPCODES.put("DUP_X1", new Opcode(DUP_X1, OpcodeGroup.INSN)); |
| OPCODES.put("DUP_X2", new Opcode(DUP_X2, OpcodeGroup.INSN)); |
| OPCODES.put("DUP2", new Opcode(DUP2, OpcodeGroup.INSN)); |
| OPCODES.put("DUP2_X1", new Opcode(DUP2_X1, OpcodeGroup.INSN)); |
| OPCODES.put("DUP2_X2", new Opcode(DUP2_X2, OpcodeGroup.INSN)); |
| OPCODES.put("SWAP", new Opcode(SWAP, OpcodeGroup.INSN)); |
| OPCODES.put("IADD", new Opcode(IADD, OpcodeGroup.INSN)); |
| OPCODES.put("LADD", new Opcode(LADD, OpcodeGroup.INSN)); |
| OPCODES.put("FADD", new Opcode(FADD, OpcodeGroup.INSN)); |
| OPCODES.put("DADD", new Opcode(DADD, OpcodeGroup.INSN)); |
| OPCODES.put("ISUB", new Opcode(ISUB, OpcodeGroup.INSN)); |
| OPCODES.put("LSUB", new Opcode(LSUB, OpcodeGroup.INSN)); |
| OPCODES.put("FSUB", new Opcode(FSUB, OpcodeGroup.INSN)); |
| OPCODES.put("DSUB", new Opcode(DSUB, OpcodeGroup.INSN)); |
| OPCODES.put("IMUL", new Opcode(IMUL, OpcodeGroup.INSN)); |
| OPCODES.put("LMUL", new Opcode(LMUL, OpcodeGroup.INSN)); |
| OPCODES.put("FMUL", new Opcode(FMUL, OpcodeGroup.INSN)); |
| OPCODES.put("DMUL", new Opcode(DMUL, OpcodeGroup.INSN)); |
| OPCODES.put("IDIV", new Opcode(IDIV, OpcodeGroup.INSN)); |
| OPCODES.put("LDIV", new Opcode(LDIV, OpcodeGroup.INSN)); |
| OPCODES.put("FDIV", new Opcode(FDIV, OpcodeGroup.INSN)); |
| OPCODES.put("DDIV", new Opcode(DDIV, OpcodeGroup.INSN)); |
| OPCODES.put("IREM", new Opcode(IREM, OpcodeGroup.INSN)); |
| OPCODES.put("LREM", new Opcode(LREM, OpcodeGroup.INSN)); |
| OPCODES.put("FREM", new Opcode(FREM, OpcodeGroup.INSN)); |
| OPCODES.put("DREM", new Opcode(DREM, OpcodeGroup.INSN)); |
| OPCODES.put("INEG", new Opcode(INEG, OpcodeGroup.INSN)); |
| OPCODES.put("LNEG", new Opcode(LNEG, OpcodeGroup.INSN)); |
| OPCODES.put("FNEG", new Opcode(FNEG, OpcodeGroup.INSN)); |
| OPCODES.put("DNEG", new Opcode(DNEG, OpcodeGroup.INSN)); |
| OPCODES.put("ISHL", new Opcode(ISHL, OpcodeGroup.INSN)); |
| OPCODES.put("LSHL", new Opcode(LSHL, OpcodeGroup.INSN)); |
| OPCODES.put("ISHR", new Opcode(ISHR, OpcodeGroup.INSN)); |
| OPCODES.put("LSHR", new Opcode(LSHR, OpcodeGroup.INSN)); |
| OPCODES.put("IUSHR", new Opcode(IUSHR, OpcodeGroup.INSN)); |
| OPCODES.put("LUSHR", new Opcode(LUSHR, OpcodeGroup.INSN)); |
| OPCODES.put("IAND", new Opcode(IAND, OpcodeGroup.INSN)); |
| OPCODES.put("LAND", new Opcode(LAND, OpcodeGroup.INSN)); |
| OPCODES.put("IOR", new Opcode(IOR, OpcodeGroup.INSN)); |
| OPCODES.put("LOR", new Opcode(LOR, OpcodeGroup.INSN)); |
| OPCODES.put("IXOR", new Opcode(IXOR, OpcodeGroup.INSN)); |
| OPCODES.put("LXOR", new Opcode(LXOR, OpcodeGroup.INSN)); |
| OPCODES.put("IINC", new Opcode(IINC, OpcodeGroup.INSN_IINC)); |
| OPCODES.put("I2L", new Opcode(I2L, OpcodeGroup.INSN)); |
| OPCODES.put("I2F", new Opcode(I2F, OpcodeGroup.INSN)); |
| OPCODES.put("I2D", new Opcode(I2D, OpcodeGroup.INSN)); |
| OPCODES.put("L2I", new Opcode(L2I, OpcodeGroup.INSN)); |
| OPCODES.put("L2F", new Opcode(L2F, OpcodeGroup.INSN)); |
| OPCODES.put("L2D", new Opcode(L2D, OpcodeGroup.INSN)); |
| OPCODES.put("F2I", new Opcode(F2I, OpcodeGroup.INSN)); |
| OPCODES.put("F2L", new Opcode(F2L, OpcodeGroup.INSN)); |
| OPCODES.put("F2D", new Opcode(F2D, OpcodeGroup.INSN)); |
| OPCODES.put("D2I", new Opcode(D2I, OpcodeGroup.INSN)); |
| OPCODES.put("D2L", new Opcode(D2L, OpcodeGroup.INSN)); |
| OPCODES.put("D2F", new Opcode(D2F, OpcodeGroup.INSN)); |
| OPCODES.put("I2B", new Opcode(I2B, OpcodeGroup.INSN)); |
| OPCODES.put("I2C", new Opcode(I2C, OpcodeGroup.INSN)); |
| OPCODES.put("I2S", new Opcode(I2S, OpcodeGroup.INSN)); |
| OPCODES.put("LCMP", new Opcode(LCMP, OpcodeGroup.INSN)); |
| OPCODES.put("FCMPL", new Opcode(FCMPL, OpcodeGroup.INSN)); |
| OPCODES.put("FCMPG", new Opcode(FCMPG, OpcodeGroup.INSN)); |
| OPCODES.put("DCMPL", new Opcode(DCMPL, OpcodeGroup.INSN)); |
| OPCODES.put("DCMPG", new Opcode(DCMPG, OpcodeGroup.INSN)); |
| OPCODES.put("IFEQ", new Opcode(IFEQ, OpcodeGroup.INSN_JUMP)); |
| OPCODES.put("IFNE", new Opcode(IFNE, OpcodeGroup.INSN_JUMP)); |
| OPCODES.put("IFLT", new Opcode(IFLT, OpcodeGroup.INSN_JUMP)); |
| OPCODES.put("IFGE", new Opcode(IFGE, OpcodeGroup.INSN_JUMP)); |
| OPCODES.put("IFGT", new Opcode(IFGT, OpcodeGroup.INSN_JUMP)); |
| OPCODES.put("IFLE", new Opcode(IFLE, OpcodeGroup.INSN_JUMP)); |
| OPCODES.put("IF_ICMPEQ", new Opcode(IF_ICMPEQ, OpcodeGroup.INSN_JUMP)); |
| OPCODES.put("IF_ICMPNE", new Opcode(IF_ICMPNE, OpcodeGroup.INSN_JUMP)); |
| OPCODES.put("IF_ICMPLT", new Opcode(IF_ICMPLT, OpcodeGroup.INSN_JUMP)); |
| OPCODES.put("IF_ICMPGE", new Opcode(IF_ICMPGE, OpcodeGroup.INSN_JUMP)); |
| OPCODES.put("IF_ICMPGT", new Opcode(IF_ICMPGT, OpcodeGroup.INSN_JUMP)); |
| OPCODES.put("IF_ICMPLE", new Opcode(IF_ICMPLE, OpcodeGroup.INSN_JUMP)); |
| OPCODES.put("IF_ACMPEQ", new Opcode(IF_ACMPEQ, OpcodeGroup.INSN_JUMP)); |
| OPCODES.put("IF_ACMPNE", new Opcode(IF_ACMPNE, OpcodeGroup.INSN_JUMP)); |
| OPCODES.put("GOTO", new Opcode(GOTO, OpcodeGroup.INSN_JUMP)); |
| OPCODES.put("JSR", new Opcode(JSR, OpcodeGroup.INSN_JUMP)); |
| OPCODES.put("RET", new Opcode(RET, OpcodeGroup.INSN_VAR)); |
| OPCODES.put("IRETURN", new Opcode(IRETURN, OpcodeGroup.INSN)); |
| OPCODES.put("LRETURN", new Opcode(LRETURN, OpcodeGroup.INSN)); |
| OPCODES.put("FRETURN", new Opcode(FRETURN, OpcodeGroup.INSN)); |
| OPCODES.put("DRETURN", new Opcode(DRETURN, OpcodeGroup.INSN)); |
| OPCODES.put("ARETURN", new Opcode(ARETURN, OpcodeGroup.INSN)); |
| OPCODES.put("RETURN", new Opcode(RETURN, OpcodeGroup.INSN)); |
| OPCODES.put("GETSTATIC", new Opcode(GETSTATIC, OpcodeGroup.INSN_FIELD)); |
| OPCODES.put("PUTSTATIC", new Opcode(PUTSTATIC, OpcodeGroup.INSN_FIELD)); |
| OPCODES.put("GETFIELD", new Opcode(GETFIELD, OpcodeGroup.INSN_FIELD)); |
| OPCODES.put("PUTFIELD", new Opcode(PUTFIELD, OpcodeGroup.INSN_FIELD)); |
| OPCODES.put("INVOKEVIRTUAL", new Opcode(INVOKEVIRTUAL, |
| OpcodeGroup.INSN_METHOD)); |
| OPCODES.put("INVOKESPECIAL", new Opcode(INVOKESPECIAL, |
| OpcodeGroup.INSN_METHOD)); |
| OPCODES.put("INVOKESTATIC", new Opcode(INVOKESTATIC, |
| OpcodeGroup.INSN_METHOD)); |
| OPCODES.put("INVOKEINTERFACE", new Opcode(INVOKEINTERFACE, |
| OpcodeGroup.INSN_METHOD)); |
| OPCODES.put("NEW", new Opcode(NEW, OpcodeGroup.INSN_TYPE)); |
| OPCODES.put("NEWARRAY", new Opcode(NEWARRAY, OpcodeGroup.INSN_INT)); |
| OPCODES.put("ANEWARRAY", new Opcode(ANEWARRAY, OpcodeGroup.INSN_TYPE)); |
| OPCODES.put("ARRAYLENGTH", new Opcode(ARRAYLENGTH, OpcodeGroup.INSN)); |
| OPCODES.put("ATHROW", new Opcode(ATHROW, OpcodeGroup.INSN)); |
| OPCODES.put("CHECKCAST", new Opcode(CHECKCAST, OpcodeGroup.INSN_TYPE)); |
| OPCODES.put("INSTANCEOF", new Opcode(INSTANCEOF, OpcodeGroup.INSN_TYPE)); |
| OPCODES.put("MONITORENTER", new Opcode(MONITORENTER, OpcodeGroup.INSN)); |
| OPCODES.put("MONITOREXIT", new Opcode(MONITOREXIT, OpcodeGroup.INSN)); |
| OPCODES.put("MULTIANEWARRAY", new Opcode(MULTIANEWARRAY, |
| OpcodeGroup.INSN_MULTIANEWARRAY)); |
| OPCODES.put("IFNULL", new Opcode(IFNULL, OpcodeGroup.INSN_JUMP)); |
| OPCODES.put("IFNONNULL", new Opcode(IFNONNULL, OpcodeGroup.INSN_JUMP)); |
| } |
| |
| private static final HashMap TYPES = new HashMap(); |
| static { |
| String[] types = SAXCodeAdapter.TYPES; |
| for (int i = 0; i < types.length; i++) { |
| TYPES.put(types[i], new Integer(i)); |
| } |
| } |
| |
| /** |
| * Constructs a new {@link ASMContentHandler ASMContentHandler} object. |
| * |
| * @param os output stream to write generated class. |
| * @param computeMax <tt>true</tt> if the maximum stack size and the |
| * maximum number of local variables must be automatically computed. |
| * This value is passed to {@link ClassWriter ClassWriter} instance. |
| */ |
| public ASMContentHandler(final OutputStream os, final boolean computeMax) { |
| this.os = os; |
| this.computeMax = computeMax; |
| } |
| |
| /** |
| * Returns the bytecode of the class that was build with underneath class |
| * writer. |
| * |
| * @return the bytecode of the class that was build with underneath class |
| * writer or null if there are no classwriter created. |
| */ |
| public byte[] toByteArray() { |
| return cw == null ? null : cw.toByteArray(); |
| } |
| |
| /** |
| * Process notification of the start of an XML element being reached. |
| * |
| * @param ns - The Namespace URI, or the empty string if the element has no |
| * Namespace URI or if Namespace processing is not being performed. |
| * @param lName - The local name (without prefix), or the empty string if |
| * Namespace processing is not being performed. |
| * @param qName - The qualified name (with prefix), or the empty string if |
| * qualified names are not available. |
| * @param list - The attributes attached to the element. If there are no |
| * attributes, it shall be an empty Attributes object. |
| * @exception SAXException if a parsing error is to be reported |
| */ |
| public final void startElement( |
| final String ns, |
| final String lName, |
| final String qName, |
| final Attributes list) throws SAXException |
| { |
| // the actual element name is either in lName or qName, depending |
| // on whether the parser is namespace aware |
| String name = lName == null || lName.length() == 0 ? qName : lName; |
| |
| // Compute the current matching rule |
| StringBuffer sb = new StringBuffer(match); |
| if (match.length() > 0) { |
| sb.append('/'); |
| } |
| sb.append(name); |
| match = sb.toString(); |
| |
| // Fire "begin" events for all relevant rules |
| Rule r = (Rule) RULES.match(match); |
| if (r != null) { |
| r.begin(name, list); |
| } |
| } |
| |
| /** |
| * Process notification of the end of an XML element being reached. |
| * |
| * @param ns - The Namespace URI, or the empty string if the element has no |
| * Namespace URI or if Namespace processing is not being performed. |
| * @param lName - The local name (without prefix), or the empty string if |
| * Namespace processing is not being performed. |
| * @param qName - The qualified XML 1.0 name (with prefix), or the empty |
| * string if qualified names are not available. |
| * |
| * @exception SAXException if a parsing error is to be reported |
| */ |
| public final void endElement( |
| final String ns, |
| final String lName, |
| final String qName) throws SAXException |
| { |
| // the actual element name is either in lName or qName, depending |
| // on whether the parser is namespace aware |
| String name = lName == null || lName.length() == 0 ? qName : lName; |
| |
| // Fire "end" events for all relevant rules in reverse order |
| Rule r = (Rule) RULES.match(match); |
| if (r != null) { |
| r.end(name); |
| } |
| |
| // Recover the previous match expression |
| int slash = match.lastIndexOf('/'); |
| if (slash >= 0) { |
| match = match.substring(0, slash); |
| } else { |
| match = ""; |
| } |
| } |
| |
| /** |
| * Process notification of the end of a document and write generated |
| * bytecode into output stream. |
| * |
| * @exception SAXException if parsing or writing error is to be reported. |
| */ |
| public final void endDocument() throws SAXException { |
| try { |
| os.write(toByteArray()); |
| } catch (IOException ex) { |
| throw new SAXException(ex.toString(), ex); |
| } |
| } |
| |
| /** |
| * Return the top object on the stack without removing it. If there are no |
| * objects on the stack, return <code>null</code>. |
| * |
| * @return the top object on the stack without removing it. |
| */ |
| final Object peek() { |
| int size = stack.size(); |
| return size == 0 ? null : stack.get(size - 1); |
| } |
| |
| /** |
| * Pop the top object off of the stack, and return it. If there are no |
| * objects on the stack, return <code>null</code>. |
| * |
| * @return the top object off of the stack. |
| */ |
| final Object pop() { |
| int size = stack.size(); |
| return size == 0 ? null : stack.remove(size - 1); |
| } |
| |
| /** |
| * Push a new object onto the top of the object stack. |
| * |
| * @param object The new object |
| */ |
| final void push(final Object object) { |
| stack.add(object); |
| } |
| |
| private static final class RuleSet { |
| |
| private final HashMap rules = new HashMap(); |
| |
| private final List lpatterns = new ArrayList(); |
| |
| private final List rpatterns = new ArrayList(); |
| |
| public void add(final String path, final Object rule) { |
| String pattern = path; |
| if (path.startsWith("*/")) { |
| pattern = path.substring(1); |
| lpatterns.add(pattern); |
| } else if (path.endsWith("/*")) { |
| pattern = path.substring(0, path.length() - 1); |
| rpatterns.add(pattern); |
| } |
| rules.put(pattern, rule); |
| } |
| |
| public Object match(final String path) { |
| if (rules.containsKey(path)) { |
| return rules.get(path); |
| } |
| |
| int n = path.lastIndexOf('/'); |
| for (Iterator it = lpatterns.iterator(); it.hasNext();) { |
| String pattern = (String) it.next(); |
| if (path.substring(n).endsWith(pattern)) { |
| return rules.get(pattern); |
| } |
| } |
| |
| for (Iterator it = rpatterns.iterator(); it.hasNext();) { |
| String pattern = (String) it.next(); |
| if (path.startsWith(pattern)) { |
| return rules.get(pattern); |
| } |
| } |
| |
| return null; |
| } |
| } |
| |
| /** |
| * Rule |
| */ |
| protected abstract class Rule { |
| |
| public void begin(final String name, final Attributes attrs) |
| throws SAXException |
| { |
| } |
| |
| public void end(final String name) { |
| } |
| |
| protected final Object getValue(final String desc, final String val) |
| throws SAXException |
| { |
| Object value = null; |
| if (val != null) { |
| if (desc.equals("Ljava/lang/String;")) { |
| value = decode(val); |
| } else if ("Ljava/lang/Integer;".equals(desc) |
| || "I".equals(desc) || "S".equals(desc) |
| || "B".equals(desc) || "C".equals(desc) |
| || desc.equals("Z")) |
| { |
| value = new Integer(val); |
| |
| } else if ("Ljava/lang/Short;".equals(desc)) { |
| value = new Short(val); |
| |
| } else if ("Ljava/lang/Byte;".equals(desc)) { |
| value = new Byte(val); |
| |
| } else if ("Ljava/lang/Character;".equals(desc)) { |
| value = new Character(decode(val).charAt(0)); |
| |
| } else if ("Ljava/lang/Boolean;".equals(desc)) { |
| value = Boolean.valueOf(val); |
| |
| // } else if ("Ljava/lang/Integer;".equals(desc) |
| // || desc.equals("I")) |
| // { |
| // value = new Integer(val); |
| // } else if ("Ljava/lang/Character;".equals(desc) |
| // || desc.equals("C")) |
| // { |
| // value = new Character(decode(val).charAt(0)); |
| // } else if ("Ljava/lang/Short;".equals(desc) || |
| // desc.equals("S")) |
| // { |
| // value = Short.valueOf(val); |
| // } else if ("Ljava/lang/Byte;".equals(desc) || |
| // desc.equals("B")) |
| // { |
| // value = Byte.valueOf(val); |
| |
| } else if ("Ljava/lang/Long;".equals(desc) || desc.equals("J")) |
| { |
| value = new Long(val); |
| } else if ("Ljava/lang/Float;".equals(desc) || desc.equals("F")) |
| { |
| value = new Float(val); |
| } else if ("Ljava/lang/Double;".equals(desc) |
| || desc.equals("D")) |
| { |
| value = new Double(val); |
| } else if (Type.getDescriptor(Type.class).equals(desc)) { |
| value = Type.getType(val); |
| |
| // } else if ("[I".equals(desc)) { |
| // value = new int[0]; // TODO |
| // } else if ("[C".equals(desc)) { |
| // value = new char[0]; // TODO |
| // } else if ("[Z".equals(desc)) { |
| // value = new boolean[0]; // TODO |
| // } else if ("[S".equals(desc)) { |
| // value = new short[0]; // TODO |
| // } else if ("[B".equals(desc)) { |
| // value = new byte[0]; // TODO |
| // } else if ("[J".equals(desc)) { |
| // value = new long[0]; // TODO |
| // } else if ("[F".equals(desc)) { |
| // value = new float[0]; // TODO |
| // } else if ("[D".equals(desc)) { |
| // value = new double[0]; // TODO |
| |
| } else { |
| throw new SAXException("Invalid value:" + val + " desc:" |
| + desc + " ctx:" + this); |
| } |
| } |
| return value; |
| } |
| |
| private final String decode(final String val) throws SAXException { |
| StringBuffer sb = new StringBuffer(val.length()); |
| try { |
| int n = 0; |
| while (n < val.length()) { |
| char c = val.charAt(n); |
| if (c == '\\') { |
| n++; |
| c = val.charAt(n); |
| if (c == '\\') { |
| sb.append('\\'); |
| } else { |
| n++; // skip 'u' |
| sb.append((char) Integer.parseInt(val.substring(n, |
| n + 4), 16)); |
| n += 3; |
| } |
| } else { |
| sb.append(c); |
| } |
| n++; |
| } |
| |
| } catch (RuntimeException ex) { |
| throw new SAXException(ex); |
| } |
| return sb.toString(); |
| } |
| |
| protected final Label getLabel(final Object label) { |
| Label lbl = (Label) labels.get(label); |
| if (lbl == null) { |
| lbl = new Label(); |
| labels.put(label, lbl); |
| } |
| return lbl; |
| } |
| |
| // TODO verify move to stack |
| protected final MethodVisitor getCodeVisitor() { |
| return (MethodVisitor) peek(); |
| } |
| |
| protected final int getAccess(final String s) { |
| int access = 0; |
| if (s.indexOf("public") != -1) { |
| access |= Opcodes.ACC_PUBLIC; |
| } |
| if (s.indexOf("private") != -1) { |
| access |= Opcodes.ACC_PRIVATE; |
| } |
| if (s.indexOf("protected") != -1) { |
| access |= Opcodes.ACC_PROTECTED; |
| } |
| if (s.indexOf("static") != -1) { |
| access |= Opcodes.ACC_STATIC; |
| } |
| if (s.indexOf("final") != -1) { |
| access |= Opcodes.ACC_FINAL; |
| } |
| if (s.indexOf("super") != -1) { |
| access |= Opcodes.ACC_SUPER; |
| } |
| if (s.indexOf("synchronized") != -1) { |
| access |= Opcodes.ACC_SYNCHRONIZED; |
| } |
| if (s.indexOf("volatile") != -1) { |
| access |= Opcodes.ACC_VOLATILE; |
| } |
| if (s.indexOf("bridge") != -1) { |
| access |= Opcodes.ACC_BRIDGE; |
| } |
| if (s.indexOf("varargs") != -1) { |
| access |= Opcodes.ACC_VARARGS; |
| } |
| if (s.indexOf("transient") != -1) { |
| access |= Opcodes.ACC_TRANSIENT; |
| } |
| if (s.indexOf("native") != -1) { |
| access |= Opcodes.ACC_NATIVE; |
| } |
| if (s.indexOf("interface") != -1) { |
| access |= Opcodes.ACC_INTERFACE; |
| } |
| if (s.indexOf("abstract") != -1) { |
| access |= Opcodes.ACC_ABSTRACT; |
| } |
| if (s.indexOf("strict") != -1) { |
| access |= Opcodes.ACC_STRICT; |
| } |
| if (s.indexOf("synthetic") != -1) { |
| access |= Opcodes.ACC_SYNTHETIC; |
| } |
| if (s.indexOf("annotation") != -1) { |
| access |= Opcodes.ACC_ANNOTATION; |
| } |
| if (s.indexOf("enum") != -1) { |
| access |= Opcodes.ACC_ENUM; |
| } |
| if (s.indexOf("deprecated") != -1) { |
| access |= Opcodes.ACC_DEPRECATED; |
| } |
| return access; |
| } |
| } |
| |
| /** |
| * ClassRule |
| */ |
| private final class ClassRule extends Rule { |
| |
| public final void begin(final String name, final Attributes attrs) { |
| int major = Integer.parseInt(attrs.getValue("major")); |
| int minor = Integer.parseInt(attrs.getValue("minor")); |
| cw = new ClassWriter(computeMax ? ClassWriter.COMPUTE_MAXS : 0); |
| HashMap vals = new HashMap(); |
| vals.put("version", new Integer(minor << 16 | major)); |
| vals.put("access", attrs.getValue("access")); |
| vals.put("name", attrs.getValue("name")); |
| vals.put("parent", attrs.getValue("parent")); |
| vals.put("source", attrs.getValue("source")); |
| vals.put("signature", attrs.getValue("signature")); |
| vals.put("interfaces", new ArrayList()); |
| push(vals); |
| // values will be extracted in InterfacesRule.end(); |
| } |
| } |
| |
| private final class SourceRule extends Rule { |
| |
| public void begin(final String name, final Attributes attrs) { |
| String file = attrs.getValue("file"); |
| String debug = attrs.getValue("debug"); |
| cw.visitSource(file, debug); |
| } |
| } |
| |
| /** |
| * InterfaceRule |
| */ |
| private final class InterfaceRule extends Rule { |
| |
| public final void begin(final String name, final Attributes attrs) { |
| ((List) ((HashMap) peek()).get("interfaces")).add(attrs.getValue("name")); |
| } |
| } |
| |
| /** |
| * InterfacesRule |
| */ |
| private final class InterfacesRule extends Rule { |
| |
| public final void end(final String element) { |
| HashMap vals = (HashMap) pop(); |
| int version = ((Integer) vals.get("version")).intValue(); |
| int access = getAccess((String) vals.get("access")); |
| String name = (String) vals.get("name"); |
| String signature = (String) vals.get("signature"); |
| String parent = (String) vals.get("parent"); |
| List infs = (List) vals.get("interfaces"); |
| String[] interfaces = (String[]) infs.toArray(new String[infs.size()]); |
| cw.visit(version, access, name, signature, parent, interfaces); |
| push(cw); |
| } |
| } |
| |
| /** |
| * OuterClassRule |
| */ |
| private final class OuterClassRule extends Rule { |
| |
| public final void begin(final String element, final Attributes attrs) { |
| String owner = attrs.getValue("owner"); |
| String name = attrs.getValue("name"); |
| String desc = attrs.getValue("desc"); |
| cw.visitOuterClass(owner, name, desc); |
| } |
| } |
| |
| /** |
| * InnerClassRule |
| */ |
| private final class InnerClassRule extends Rule { |
| |
| public final void begin(final String element, final Attributes attrs) { |
| int access = getAccess(attrs.getValue("access")); |
| String name = attrs.getValue("name"); |
| String outerName = attrs.getValue("outerName"); |
| String innerName = attrs.getValue("innerName"); |
| cw.visitInnerClass(name, outerName, innerName, access); |
| } |
| } |
| |
| /** |
| * FieldRule |
| */ |
| private final class FieldRule extends Rule { |
| |
| public final void begin(final String element, final Attributes attrs) |
| throws SAXException |
| { |
| int access = getAccess(attrs.getValue("access")); |
| String name = attrs.getValue("name"); |
| String signature = attrs.getValue("signature"); |
| String desc = attrs.getValue("desc"); |
| Object value = getValue(desc, attrs.getValue("value")); |
| push(cw.visitField(access, name, desc, signature, value)); |
| } |
| |
| public void end(final String name) { |
| ((FieldVisitor) pop()).visitEnd(); |
| } |
| } |
| |
| /** |
| * MethodRule |
| */ |
| private final class MethodRule extends Rule { |
| |
| public final void begin(final String name, final Attributes attrs) { |
| labels = new HashMap(); |
| HashMap vals = new HashMap(); |
| vals.put("access", attrs.getValue("access")); |
| vals.put("name", attrs.getValue("name")); |
| vals.put("desc", attrs.getValue("desc")); |
| vals.put("signature", attrs.getValue("signature")); |
| vals.put("exceptions", new ArrayList()); |
| push(vals); |
| // values will be extracted in ExceptionsRule.end(); |
| } |
| |
| public final void end(final String name) { |
| ((MethodVisitor) pop()).visitEnd(); |
| labels = null; |
| } |
| } |
| |
| /** |
| * ExceptionRule |
| */ |
| private final class ExceptionRule extends Rule { |
| |
| public final void begin(final String name, final Attributes attrs) { |
| ((List) ((HashMap) peek()).get("exceptions")).add(attrs.getValue("name")); |
| } |
| } |
| |
| /** |
| * ExceptionsRule |
| */ |
| private final class ExceptionsRule extends Rule { |
| |
| public final void end(final String element) { |
| HashMap vals = (HashMap) pop(); |
| int access = getAccess((String) vals.get("access")); |
| String name = (String) vals.get("name"); |
| String desc = (String) vals.get("desc"); |
| String signature = (String) vals.get("signature"); |
| List excs = (List) vals.get("exceptions"); |
| String[] exceptions = (String[]) excs.toArray(new String[excs.size()]); |
| |
| push(cw.visitMethod(access, name, desc, signature, exceptions)); |
| } |
| } |
| |
| /** |
| * TableSwitchRule |
| */ |
| private class TableSwitchRule extends Rule { |
| |
| public final void begin(final String name, final Attributes attrs) { |
| HashMap vals = new HashMap(); |
| vals.put("min", attrs.getValue("min")); |
| vals.put("max", attrs.getValue("max")); |
| vals.put("dflt", attrs.getValue("dflt")); |
| vals.put("labels", new ArrayList()); |
| push(vals); |
| } |
| |
| public final void end(final String name) { |
| HashMap vals = (HashMap) pop(); |
| int min = Integer.parseInt((String) vals.get("min")); |
| int max = Integer.parseInt((String) vals.get("max")); |
| Label dflt = getLabel(vals.get("dflt")); |
| List lbls = (List) vals.get("labels"); |
| Label[] labels = (Label[]) lbls.toArray(new Label[lbls.size()]); |
| getCodeVisitor().visitTableSwitchInsn(min, max, dflt, labels); |
| } |
| } |
| |
| /** |
| * TableSwitchLabelRule |
| */ |
| private final class TableSwitchLabelRule extends Rule { |
| |
| public final void begin(final String name, final Attributes attrs) { |
| ((List) ((HashMap) peek()).get("labels")).add(getLabel(attrs.getValue("name"))); |
| } |
| } |
| |
| /** |
| * LookupSwitchRule |
| */ |
| private final class LookupSwitchRule extends Rule { |
| |
| public final void begin(final String name, final Attributes attrs) { |
| HashMap vals = new HashMap(); |
| vals.put("dflt", attrs.getValue("dflt")); |
| vals.put("labels", new ArrayList()); |
| vals.put("keys", new ArrayList()); |
| push(vals); |
| } |
| |
| public final void end(final String name) { |
| HashMap vals = (HashMap) pop(); |
| Label dflt = getLabel(vals.get("dflt")); |
| List keyList = (List) vals.get("keys"); |
| List lbls = (List) vals.get("labels"); |
| Label[] labels = (Label[]) lbls.toArray(new Label[lbls.size()]); |
| int[] keys = new int[keyList.size()]; |
| for (int i = 0; i < keys.length; i++) { |
| keys[i] = Integer.parseInt((String) keyList.get(i)); |
| } |
| getCodeVisitor().visitLookupSwitchInsn(dflt, keys, labels); |
| } |
| } |
| |
| /** |
| * LookupSwitchLabelRule |
| */ |
| private final class LookupSwitchLabelRule extends Rule { |
| |
| public final void begin(final String name, final Attributes attrs) { |
| HashMap vals = (HashMap) peek(); |
| ((List) vals.get("labels")).add(getLabel(attrs.getValue("name"))); |
| ((List) vals.get("keys")).add(attrs.getValue("key")); |
| } |
| } |
| |
| /** |
| * FrameRule |
| */ |
| private final class FrameRule extends Rule { |
| |
| public void begin(final String name, final Attributes attrs) { |
| HashMap typeLists = new HashMap(); |
| typeLists.put("local", new ArrayList()); |
| typeLists.put("stack", new ArrayList()); |
| push(attrs.getValue("type")); |
| push(attrs.getValue("count") == null |
| ? "0" |
| : attrs.getValue("count")); |
| push(typeLists); |
| } |
| |
| public void end(final String name) { |
| HashMap typeLists = (HashMap) pop(); |
| List locals = (List) typeLists.get("local"); |
| int nLocal = locals.size(); |
| Object[] local = locals.toArray(); |
| List stacks = (List) typeLists.get("stack"); |
| int nStack = stacks.size(); |
| Object[] stack = stacks.toArray(); |
| String count = (String) pop(); |
| String type = (String) pop(); |
| if (type.equals("NEW")) { |
| getCodeVisitor().visitFrame(Opcodes.F_NEW, |
| nLocal, |
| local, |
| nStack, |
| stack); |
| } else if (type.equals("FULL")) { |
| getCodeVisitor().visitFrame(Opcodes.F_FULL, |
| nLocal, |
| local, |
| nStack, |
| stack); |
| } else if (type.equals("APPEND")) { |
| getCodeVisitor().visitFrame(Opcodes.F_APPEND, |
| nLocal, |
| local, |
| 0, |
| null); |
| } else if (type.equals("CHOP")) { |
| getCodeVisitor().visitFrame(Opcodes.F_CHOP, |
| Integer.parseInt(count), |
| null, |
| 0, |
| null); |
| } else if (type.equals("SAME")) { |
| getCodeVisitor().visitFrame(Opcodes.F_SAME, 0, null, 0, null); |
| } else if (type.equals("SAME1")) { |
| getCodeVisitor().visitFrame(Opcodes.F_SAME1, |
| 0, |
| null, |
| nStack, |
| stack); |
| } |
| } |
| } |
| |
| private final class FrameTypeRule extends Rule { |
| |
| public void begin(final String name, final Attributes attrs) { |
| List types = (List) ((HashMap) peek()).get(name); |
| String type = attrs.getValue("type"); |
| if ("uninitialized".equals(type)) { |
| types.add(getLabel(attrs.getValue("label"))); |
| } else { |
| Integer t = (Integer) TYPES.get(type); |
| if (t == null) { |
| types.add(type); |
| } else { |
| types.add(t); |
| } |
| } |
| } |
| } |
| |
| /** |
| * LabelRule |
| */ |
| private final class LabelRule extends Rule { |
| |
| public final void begin(final String name, final Attributes attrs) { |
| getCodeVisitor().visitLabel(getLabel(attrs.getValue("name"))); |
| } |
| } |
| |
| /** |
| * TryCatchRule |
| */ |
| private final class TryCatchRule extends Rule { |
| |
| public final void begin(final String name, final Attributes attrs) { |
| Label start = getLabel(attrs.getValue("start")); |
| Label end = getLabel(attrs.getValue("end")); |
| Label handler = getLabel(attrs.getValue("handler")); |
| String type = attrs.getValue("type"); |
| getCodeVisitor().visitTryCatchBlock(start, end, handler, type); |
| } |
| } |
| |
| /** |
| * LineNumberRule |
| */ |
| private final class LineNumberRule extends Rule { |
| |
| public final void begin(final String name, final Attributes attrs) { |
| int line = Integer.parseInt(attrs.getValue("line")); |
| Label start = getLabel(attrs.getValue("start")); |
| getCodeVisitor().visitLineNumber(line, start); |
| } |
| } |
| |
| /** |
| * LocalVarRule |
| */ |
| private final class LocalVarRule extends Rule { |
| |
| public final void begin(final String element, final Attributes attrs) { |
| String name = attrs.getValue("name"); |
| String desc = attrs.getValue("desc"); |
| String signature = attrs.getValue("signature"); |
| Label start = getLabel(attrs.getValue("start")); |
| Label end = getLabel(attrs.getValue("end")); |
| int var = Integer.parseInt(attrs.getValue("var")); |
| getCodeVisitor().visitLocalVariable(name, |
| desc, |
| signature, |
| start, |
| end, |
| var); |
| } |
| } |
| |
| /** |
| * OpcodesRule |
| */ |
| private final class OpcodesRule extends Rule { |
| |
| // public boolean match( String match, String element) { |
| // return match.startsWith( path) && OPCODES.containsKey( element); |
| // } |
| |
| public final void begin(final String element, final Attributes attrs) |
| throws SAXException |
| { |
| Opcode o = (Opcode) OPCODES.get(element); |
| if (o == null) { |
| throw new SAXException("Invalid element: " + element + " at " |
| + match); |
| } |
| |
| switch (o.type) { |
| case OpcodeGroup.INSN: |
| getCodeVisitor().visitInsn(o.opcode); |
| break; |
| |
| case OpcodeGroup.INSN_FIELD: |
| getCodeVisitor().visitFieldInsn(o.opcode, |
| attrs.getValue("owner"), |
| attrs.getValue("name"), |
| attrs.getValue("desc")); |
| break; |
| |
| case OpcodeGroup.INSN_INT: |
| getCodeVisitor().visitIntInsn(o.opcode, |
| Integer.parseInt(attrs.getValue("value"))); |
| break; |
| |
| case OpcodeGroup.INSN_JUMP: |
| getCodeVisitor().visitJumpInsn(o.opcode, |
| getLabel(attrs.getValue("label"))); |
| break; |
| |
| case OpcodeGroup.INSN_METHOD: |
| getCodeVisitor().visitMethodInsn(o.opcode, |
| attrs.getValue("owner"), |
| attrs.getValue("name"), |
| attrs.getValue("desc")); |
| break; |
| |
| case OpcodeGroup.INSN_TYPE: |
| getCodeVisitor().visitTypeInsn(o.opcode, |
| attrs.getValue("desc")); |
| break; |
| |
| case OpcodeGroup.INSN_VAR: |
| getCodeVisitor().visitVarInsn(o.opcode, |
| Integer.parseInt(attrs.getValue("var"))); |
| break; |
| |
| case OpcodeGroup.INSN_IINC: |
| getCodeVisitor().visitIincInsn(Integer.parseInt(attrs.getValue("var")), |
| Integer.parseInt(attrs.getValue("inc"))); |
| break; |
| |
| case OpcodeGroup.INSN_LDC: |
| getCodeVisitor().visitLdcInsn(getValue(attrs.getValue("desc"), |
| attrs.getValue("cst"))); |
| break; |
| |
| case OpcodeGroup.INSN_MULTIANEWARRAY: |
| getCodeVisitor().visitMultiANewArrayInsn(attrs.getValue("desc"), |
| Integer.parseInt(attrs.getValue("dims"))); |
| break; |
| |
| default: |
| throw new Error("Internal error"); |
| |
| } |
| } |
| } |
| |
| /** |
| * MaxRule |
| */ |
| private final class MaxRule extends Rule { |
| |
| public final void begin(final String element, final Attributes attrs) { |
| int maxStack = Integer.parseInt(attrs.getValue("maxStack")); |
| int maxLocals = Integer.parseInt(attrs.getValue("maxLocals")); |
| getCodeVisitor().visitMaxs(maxStack, maxLocals); |
| } |
| } |
| |
| private final class AnnotationRule extends Rule { |
| |
| public void begin(final String name, final Attributes attrs) { |
| String desc = attrs.getValue("desc"); |
| boolean visible = Boolean.valueOf(attrs.getValue("visible")) |
| .booleanValue(); |
| |
| Object v = peek(); |
| if (v instanceof ClassVisitor) { |
| push(((ClassVisitor) v).visitAnnotation(desc, visible)); |
| } else if (v instanceof FieldVisitor) { |
| push(((FieldVisitor) v).visitAnnotation(desc, visible)); |
| } else if (v instanceof MethodVisitor) { |
| push(((MethodVisitor) v).visitAnnotation(desc, visible)); |
| } |
| } |
| |
| public void end(final String name) { |
| AnnotationVisitor av = (AnnotationVisitor) pop(); |
| if (av != null) { |
| av.visitEnd(); |
| } |
| } |
| } |
| |
| private final class AnnotationParameterRule extends Rule { |
| |
| public void begin(final String name, final Attributes attrs) { |
| int parameter = Integer.parseInt(attrs.getValue("parameter")); |
| String desc = attrs.getValue("desc"); |
| boolean visible = Boolean.valueOf(attrs.getValue("visible")) |
| .booleanValue(); |
| |
| push(((MethodVisitor) peek()).visitParameterAnnotation(parameter, |
| desc, |
| visible)); |
| } |
| |
| public void end(final String name) { |
| AnnotationVisitor av = (AnnotationVisitor) pop(); |
| if (av != null) { |
| av.visitEnd(); |
| } |
| } |
| } |
| |
| private final class AnnotationValueRule extends Rule { |
| |
| public void begin(final String nm, final Attributes attrs) |
| throws SAXException |
| { |
| AnnotationVisitor av = (AnnotationVisitor) peek(); |
| if (av != null) { |
| av.visit(attrs.getValue("name"), |
| getValue(attrs.getValue("desc"), |
| attrs.getValue("value"))); |
| } |
| } |
| } |
| |
| private final class AnnotationValueEnumRule extends Rule { |
| |
| public void begin(final String nm, final Attributes attrs) { |
| AnnotationVisitor av = (AnnotationVisitor) peek(); |
| if (av != null) { |
| av.visitEnum(attrs.getValue("name"), |
| attrs.getValue("desc"), |
| attrs.getValue("value")); |
| } |
| } |
| } |
| |
| private final class AnnotationValueAnnotationRule extends Rule { |
| |
| public void begin(final String nm, final Attributes attrs) { |
| AnnotationVisitor av = (AnnotationVisitor) peek(); |
| push(av == null ? null : av.visitAnnotation(attrs.getValue("name"), |
| attrs.getValue("desc"))); |
| } |
| |
| public void end(final String name) { |
| AnnotationVisitor av = (AnnotationVisitor) pop(); |
| if (av != null) { |
| av.visitEnd(); |
| } |
| } |
| } |
| |
| private final class AnnotationValueArrayRule extends Rule { |
| |
| public void begin(final String nm, final Attributes attrs) { |
| AnnotationVisitor av = (AnnotationVisitor) peek(); |
| push(av == null ? null : av.visitArray(attrs.getValue("name"))); |
| } |
| |
| public void end(final String name) { |
| AnnotationVisitor av = (AnnotationVisitor) pop(); |
| if (av != null) { |
| av.visitEnd(); |
| } |
| } |
| } |
| |
| private final class AnnotationDefaultRule extends Rule { |
| |
| public void begin(final String nm, final Attributes attrs) { |
| MethodVisitor av = (MethodVisitor) peek(); |
| push(av == null ? null : av.visitAnnotationDefault()); |
| } |
| |
| public void end(final String name) { |
| AnnotationVisitor av = (AnnotationVisitor) pop(); |
| if (av != null) { |
| av.visitEnd(); |
| } |
| } |
| } |
| |
| /** |
| * Opcode |
| */ |
| private final static class Opcode { |
| |
| public int opcode; |
| |
| public int type; |
| |
| public Opcode(final int opcode, final int type) { |
| this.opcode = opcode; |
| this.type = type; |
| } |
| } |
| } |
