added InstructionAdapter (requested by users) and TryCatchBlockSorter (provided by Adrian Sampson)
diff --git a/src/org/objectweb/asm/commons/InstructionAdapter.java b/src/org/objectweb/asm/commons/InstructionAdapter.java
new file mode 100644
index 0000000..9f62009
--- /dev/null
+++ b/src/org/objectweb/asm/commons/InstructionAdapter.java
@@ -0,0 +1,1079 @@
+/***
+ * ASM: a very small and fast Java bytecode manipulation framework
+ * Copyright (c) 2000-2005 INRIA, France Telecom
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package org.objectweb.asm.commons;
+
+import org.objectweb.asm.Label;
+import org.objectweb.asm.MethodAdapter;
+import org.objectweb.asm.MethodVisitor;
+import org.objectweb.asm.Opcodes;
+import org.objectweb.asm.Type;
+
+public class InstructionAdapter extends MethodAdapter {
+
+ public final static Type OBJECT_TYPE = Type.getType("Ljava/lang/Object;");
+
+ public InstructionAdapter(MethodVisitor mv) {
+ super(mv);
+ }
+
+ public void visitInsn(final int opcode) {
+ switch (opcode) {
+ case Opcodes.NOP:
+ nop();
+ break;
+ case Opcodes.ACONST_NULL:
+ aconst(null);
+ break;
+ case Opcodes.ICONST_M1:
+ case Opcodes.ICONST_0:
+ case Opcodes.ICONST_1:
+ case Opcodes.ICONST_2:
+ case Opcodes.ICONST_3:
+ case Opcodes.ICONST_4:
+ case Opcodes.ICONST_5:
+ iconst(opcode - Opcodes.ICONST_0);
+ break;
+ case Opcodes.LCONST_0:
+ case Opcodes.LCONST_1:
+ lconst(opcode - Opcodes.LCONST_0);
+ break;
+ case Opcodes.FCONST_0:
+ case Opcodes.FCONST_1:
+ case Opcodes.FCONST_2:
+ fconst(opcode - Opcodes.FCONST_0);
+ break;
+ case Opcodes.DCONST_0:
+ case Opcodes.DCONST_1:
+ dconst(opcode - Opcodes.DCONST_0);
+ break;
+ case Opcodes.IALOAD:
+ aload(Type.INT_TYPE);
+ break;
+ case Opcodes.LALOAD:
+ aload(Type.LONG_TYPE);
+ break;
+ case Opcodes.FALOAD:
+ aload(Type.FLOAT_TYPE);
+ break;
+ case Opcodes.DALOAD:
+ aload(Type.DOUBLE_TYPE);
+ break;
+ case Opcodes.AALOAD:
+ aload(OBJECT_TYPE);
+ break;
+ case Opcodes.BALOAD:
+ aload(Type.BYTE_TYPE);
+ break;
+ case Opcodes.CALOAD:
+ aload(Type.CHAR_TYPE);
+ break;
+ case Opcodes.SALOAD:
+ aload(Type.SHORT_TYPE);
+ break;
+ case Opcodes.IASTORE:
+ astore(Type.INT_TYPE);
+ break;
+ case Opcodes.LASTORE:
+ astore(Type.LONG_TYPE);
+ break;
+ case Opcodes.FASTORE:
+ astore(Type.FLOAT_TYPE);
+ break;
+ case Opcodes.DASTORE:
+ astore(Type.DOUBLE_TYPE);
+ break;
+ case Opcodes.AASTORE:
+ astore(OBJECT_TYPE);
+ break;
+ case Opcodes.BASTORE:
+ astore(Type.BYTE_TYPE);
+ break;
+ case Opcodes.CASTORE:
+ astore(Type.CHAR_TYPE);
+ break;
+ case Opcodes.SASTORE:
+ astore(Type.SHORT_TYPE);
+ break;
+ case Opcodes.POP:
+ pop();
+ break;
+ case Opcodes.POP2:
+ pop2();
+ break;
+ case Opcodes.DUP:
+ dup();
+ break;
+ case Opcodes.DUP_X1:
+ dupX1();
+ break;
+ case Opcodes.DUP_X2:
+ dupX2();
+ break;
+ case Opcodes.DUP2:
+ dup2();
+ break;
+ case Opcodes.DUP2_X1:
+ dup2X1();
+ break;
+ case Opcodes.DUP2_X2:
+ dup2X2();
+ break;
+ case Opcodes.SWAP:
+ swap();
+ break;
+ case Opcodes.IADD:
+ add(Type.INT_TYPE);
+ break;
+ case Opcodes.LADD:
+ add(Type.LONG_TYPE);
+ break;
+ case Opcodes.FADD:
+ add(Type.FLOAT_TYPE);
+ break;
+ case Opcodes.DADD:
+ add(Type.DOUBLE_TYPE);
+ break;
+ case Opcodes.ISUB:
+ sub(Type.INT_TYPE);
+ break;
+ case Opcodes.LSUB:
+ sub(Type.LONG_TYPE);
+ break;
+ case Opcodes.FSUB:
+ sub(Type.FLOAT_TYPE);
+ break;
+ case Opcodes.DSUB:
+ sub(Type.DOUBLE_TYPE);
+ break;
+ case Opcodes.IMUL:
+ mul(Type.INT_TYPE);
+ break;
+ case Opcodes.LMUL:
+ mul(Type.LONG_TYPE);
+ break;
+ case Opcodes.FMUL:
+ mul(Type.FLOAT_TYPE);
+ break;
+ case Opcodes.DMUL:
+ mul(Type.DOUBLE_TYPE);
+ break;
+ case Opcodes.IDIV:
+ div(Type.INT_TYPE);
+ break;
+ case Opcodes.LDIV:
+ div(Type.LONG_TYPE);
+ break;
+ case Opcodes.FDIV:
+ div(Type.FLOAT_TYPE);
+ break;
+ case Opcodes.DDIV:
+ div(Type.DOUBLE_TYPE);
+ break;
+ case Opcodes.IREM:
+ rem(Type.INT_TYPE);
+ break;
+ case Opcodes.LREM:
+ rem(Type.LONG_TYPE);
+ break;
+ case Opcodes.FREM:
+ rem(Type.FLOAT_TYPE);
+ break;
+ case Opcodes.DREM:
+ rem(Type.DOUBLE_TYPE);
+ break;
+ case Opcodes.INEG:
+ neg(Type.INT_TYPE);
+ break;
+ case Opcodes.LNEG:
+ neg(Type.LONG_TYPE);
+ break;
+ case Opcodes.FNEG:
+ neg(Type.FLOAT_TYPE);
+ break;
+ case Opcodes.DNEG:
+ neg(Type.DOUBLE_TYPE);
+ break;
+ case Opcodes.ISHL:
+ shl(Type.INT_TYPE);
+ break;
+ case Opcodes.LSHL:
+ shl(Type.LONG_TYPE);
+ break;
+ case Opcodes.ISHR:
+ shr(Type.INT_TYPE);
+ break;
+ case Opcodes.LSHR:
+ shr(Type.LONG_TYPE);
+ break;
+ case Opcodes.IUSHR:
+ ushr(Type.INT_TYPE);
+ break;
+ case Opcodes.LUSHR:
+ ushr(Type.LONG_TYPE);
+ break;
+ case Opcodes.IAND:
+ and(Type.INT_TYPE);
+ break;
+ case Opcodes.LAND:
+ and(Type.LONG_TYPE);
+ break;
+ case Opcodes.IOR:
+ or(Type.INT_TYPE);
+ break;
+ case Opcodes.LOR:
+ or(Type.LONG_TYPE);
+ break;
+ case Opcodes.IXOR:
+ xor(Type.INT_TYPE);
+ break;
+ case Opcodes.LXOR:
+ xor(Type.LONG_TYPE);
+ break;
+ case Opcodes.I2L:
+ cast(Type.INT_TYPE, Type.LONG_TYPE);
+ break;
+ case Opcodes.I2F:
+ cast(Type.INT_TYPE, Type.FLOAT_TYPE);
+ break;
+ case Opcodes.I2D:
+ cast(Type.INT_TYPE, Type.DOUBLE_TYPE);
+ break;
+ case Opcodes.L2I:
+ cast(Type.LONG_TYPE, Type.INT_TYPE);
+ break;
+ case Opcodes.L2F:
+ cast(Type.LONG_TYPE, Type.FLOAT_TYPE);
+ break;
+ case Opcodes.L2D:
+ cast(Type.LONG_TYPE, Type.DOUBLE_TYPE);
+ break;
+ case Opcodes.F2I:
+ cast(Type.FLOAT_TYPE, Type.INT_TYPE);
+ break;
+ case Opcodes.F2L:
+ cast(Type.FLOAT_TYPE, Type.LONG_TYPE);
+ break;
+ case Opcodes.F2D:
+ cast(Type.FLOAT_TYPE, Type.DOUBLE_TYPE);
+ break;
+ case Opcodes.D2I:
+ cast(Type.DOUBLE_TYPE, Type.INT_TYPE);
+ break;
+ case Opcodes.D2L:
+ cast(Type.DOUBLE_TYPE, Type.LONG_TYPE);
+ break;
+ case Opcodes.D2F:
+ cast(Type.DOUBLE_TYPE, Type.FLOAT_TYPE);
+ break;
+ case Opcodes.I2B:
+ cast(Type.INT_TYPE, Type.BYTE_TYPE);
+ break;
+ case Opcodes.I2C:
+ cast(Type.INT_TYPE, Type.CHAR_TYPE);
+ break;
+ case Opcodes.I2S:
+ cast(Type.INT_TYPE, Type.SHORT_TYPE);
+ break;
+ case Opcodes.LCMP:
+ lcmp();
+ break;
+ case Opcodes.FCMPL:
+ cmpl(Type.FLOAT_TYPE);
+ break;
+ case Opcodes.FCMPG:
+ cmpg(Type.FLOAT_TYPE);
+ break;
+ case Opcodes.DCMPL:
+ cmpl(Type.DOUBLE_TYPE);
+ break;
+ case Opcodes.DCMPG:
+ cmpg(Type.DOUBLE_TYPE);
+ break;
+ case Opcodes.IRETURN:
+ areturn(Type.INT_TYPE);
+ break;
+ case Opcodes.LRETURN:
+ areturn(Type.LONG_TYPE);
+ break;
+ case Opcodes.FRETURN:
+ areturn(Type.FLOAT_TYPE);
+ break;
+ case Opcodes.DRETURN:
+ areturn(Type.DOUBLE_TYPE);
+ break;
+ case Opcodes.ARETURN:
+ areturn(OBJECT_TYPE);
+ break;
+ case Opcodes.RETURN:
+ areturn(Type.VOID_TYPE);
+ break;
+ case Opcodes.ARRAYLENGTH:
+ arraylength();
+ break;
+ case Opcodes.ATHROW:
+ athrow();
+ break;
+ case Opcodes.MONITORENTER:
+ monitorenter();
+ break;
+ case Opcodes.MONITOREXIT:
+ monitorexit();
+ break;
+ default:
+ throw new IllegalArgumentException();
+ }
+ }
+
+ public void visitIntInsn(final int opcode, final int operand) {
+ switch (opcode) {
+ case Opcodes.BIPUSH:
+ iconst(operand);
+ break;
+ case Opcodes.SIPUSH:
+ iconst(operand);
+ break;
+ case Opcodes.NEWARRAY:
+ switch (operand) {
+ case Opcodes.T_BOOLEAN:
+ newarray(Type.BOOLEAN_TYPE);
+ break;
+ case Opcodes.T_CHAR:
+ newarray(Type.CHAR_TYPE);
+ break;
+ case Opcodes.T_BYTE:
+ newarray(Type.BYTE_TYPE);
+ break;
+ case Opcodes.T_SHORT:
+ newarray(Type.SHORT_TYPE);
+ break;
+ case Opcodes.T_INT:
+ newarray(Type.INT_TYPE);
+ break;
+ case Opcodes.T_FLOAT:
+ newarray(Type.FLOAT_TYPE);
+ break;
+ case Opcodes.T_LONG:
+ newarray(Type.LONG_TYPE);
+ break;
+ case Opcodes.T_DOUBLE:
+ newarray(Type.DOUBLE_TYPE);
+ break;
+ default:
+ throw new IllegalArgumentException();
+ }
+ break;
+ default:
+ throw new IllegalArgumentException();
+ }
+ }
+
+ public void visitVarInsn(final int opcode, final int var) {
+ switch (opcode) {
+ case Opcodes.ILOAD:
+ load(var, Type.INT_TYPE);
+ break;
+ case Opcodes.LLOAD:
+ load(var, Type.LONG_TYPE);
+ break;
+ case Opcodes.FLOAD:
+ load(var, Type.FLOAT_TYPE);
+ break;
+ case Opcodes.DLOAD:
+ load(var, Type.DOUBLE_TYPE);
+ break;
+ case Opcodes.ALOAD:
+ load(var, OBJECT_TYPE);
+ break;
+ case Opcodes.ISTORE:
+ store(var, Type.INT_TYPE);
+ break;
+ case Opcodes.LSTORE:
+ store(var, Type.LONG_TYPE);
+ break;
+ case Opcodes.FSTORE:
+ store(var, Type.FLOAT_TYPE);
+ break;
+ case Opcodes.DSTORE:
+ store(var, Type.DOUBLE_TYPE);
+ break;
+ case Opcodes.ASTORE:
+ store(var, OBJECT_TYPE);
+ break;
+ case Opcodes.RET:
+ ret(var);
+ break;
+ default:
+ throw new IllegalArgumentException();
+ }
+ }
+
+ public void visitTypeInsn(final int opcode, final String type) {
+ Type t = Type.getObjectType(type);
+ switch (opcode) {
+ case Opcodes.NEW:
+ anew(t);
+ break;
+ case Opcodes.ANEWARRAY:
+ newarray(t);
+ break;
+ case Opcodes.CHECKCAST:
+ checkcast(t);
+ break;
+ case Opcodes.INSTANCEOF:
+ instanceOf(t);
+ break;
+ default:
+ throw new IllegalArgumentException();
+ }
+ }
+
+ public void visitFieldInsn(
+ final int opcode,
+ final String owner,
+ final String name,
+ final String desc)
+ {
+ switch (opcode) {
+ case Opcodes.GETSTATIC:
+ getstatic(owner, name, desc);
+ break;
+ case Opcodes.PUTSTATIC:
+ putstatic(owner, name, desc);
+ break;
+ case Opcodes.GETFIELD:
+ getfield(owner, name, desc);
+ break;
+ case Opcodes.PUTFIELD:
+ putfield(owner, name, desc);
+ break;
+ default:
+ throw new IllegalArgumentException();
+ }
+ }
+
+ public void visitMethodInsn(
+ final int opcode,
+ final String owner,
+ final String name,
+ final String desc)
+ {
+ switch (opcode) {
+ case Opcodes.INVOKESPECIAL:
+ invokespecial(owner, name, desc);
+ break;
+ case Opcodes.INVOKEVIRTUAL:
+ invokevirtual(owner, name, desc);
+ break;
+ case Opcodes.INVOKESTATIC:
+ invokestatic(owner, name, desc);
+ break;
+ case Opcodes.INVOKEINTERFACE:
+ invokeinterface(owner, name, desc);
+ break;
+ default:
+ throw new IllegalArgumentException();
+ }
+ }
+
+ public void visitJumpInsn(final int opcode, final Label label) {
+ switch (opcode) {
+ case Opcodes.IFEQ:
+ ifeq(label);
+ break;
+ case Opcodes.IFNE:
+ ifne(label);
+ break;
+ case Opcodes.IFLT:
+ iflt(label);
+ break;
+ case Opcodes.IFGE:
+ ifge(label);
+ break;
+ case Opcodes.IFGT:
+ ifgt(label);
+ break;
+ case Opcodes.IFLE:
+ ifle(label);
+ break;
+ case Opcodes.IF_ICMPEQ:
+ ificmpeq(label);
+ break;
+ case Opcodes.IF_ICMPNE:
+ ificmpne(label);
+ break;
+ case Opcodes.IF_ICMPLT:
+ ificmplt(label);
+ break;
+ case Opcodes.IF_ICMPGE:
+ ificmpge(label);
+ break;
+ case Opcodes.IF_ICMPGT:
+ ificmpgt(label);
+ break;
+ case Opcodes.IF_ICMPLE:
+ ificmple(label);
+ break;
+ case Opcodes.IF_ACMPEQ:
+ ifacmpeq(label);
+ break;
+ case Opcodes.IF_ACMPNE:
+ ifacmpne(label);
+ break;
+ case Opcodes.GOTO:
+ goTo(label);
+ break;
+ case Opcodes.JSR:
+ jsr(label);
+ break;
+ case Opcodes.IFNULL:
+ ifnull(label);
+ break;
+ case Opcodes.IFNONNULL:
+ ifnonnull(label);
+ break;
+ default:
+ throw new IllegalArgumentException();
+ }
+ }
+
+ public void visitLabel(final Label label) {
+ mark(label);
+ }
+
+ public void visitLdcInsn(final Object cst) {
+ if (cst instanceof Integer) {
+ int val = ((Integer) cst).intValue();
+ iconst(val);
+ } else if (cst instanceof Byte) {
+ int val = ((Byte) cst).intValue();
+ iconst(val);
+ } else if (cst instanceof Character) {
+ int val = ((Character) cst).charValue();
+ iconst(val);
+ } else if (cst instanceof Short) {
+ int val = ((Short) cst).intValue();
+ iconst(val);
+ } else if (cst instanceof Boolean) {
+ int val = ((Boolean) cst).booleanValue() ? 1 : 0;
+ iconst(val);
+ } else if (cst instanceof Float) {
+ float val = ((Float) cst).floatValue();
+ fconst(val);
+ } else if (cst instanceof Long) {
+ long val = ((Long) cst).longValue();
+ lconst(val);
+ } else if (cst instanceof Double) {
+ double val = ((Double) cst).doubleValue();
+ dconst(val);
+ } else if (cst instanceof String) {
+ aconst(cst);
+ } else if (cst instanceof Type) {
+ tconst((Type) cst);
+ } else {
+ throw new IllegalArgumentException();
+ }
+ }
+
+ public void visitIincInsn(final int var, final int increment) {
+ iinc(var, increment);
+ }
+
+ public void visitTableSwitchInsn(
+ final int min,
+ final int max,
+ final Label dflt,
+ final Label[] labels)
+ {
+ tableswitch(min, max, dflt, labels);
+ }
+
+ public void visitLookupSwitchInsn(
+ final Label dflt,
+ final int[] keys,
+ final Label[] labels)
+ {
+ lookupswitch(dflt, keys, labels);
+ }
+
+ public void visitMultiANewArrayInsn(final String desc, final int dims) {
+ multianewarray(desc, dims);
+ }
+
+ // -----------------------------------------------------------------------
+
+ public void nop() {
+ mv.visitInsn(Opcodes.NOP);
+ }
+
+ public void aconst(final Object cst) {
+ if (cst == null) {
+ mv.visitInsn(Opcodes.ACONST_NULL);
+ } else {
+ mv.visitLdcInsn(cst);
+ }
+ }
+
+ public void iconst(final int cst) {
+ if (cst >= -1 && cst <= 5) {
+ mv.visitInsn(Opcodes.ICONST_0 + cst);
+ } else if (cst >= Byte.MIN_VALUE && cst <= Byte.MAX_VALUE) {
+ mv.visitIntInsn(Opcodes.BIPUSH, cst);
+ } else if (cst >= Short.MIN_VALUE && cst <= Short.MAX_VALUE) {
+ mv.visitIntInsn(Opcodes.SIPUSH, cst);
+ } else {
+ mv.visitLdcInsn(new Integer(cst));
+ }
+ }
+
+ public void lconst(final long cst) {
+ if (cst == 0L || cst == 1L) {
+ mv.visitInsn(Opcodes.LCONST_0 + (int) cst);
+ } else {
+ mv.visitLdcInsn(new Long(cst));
+ }
+ }
+
+ public void fconst(final float cst) {
+ int bits = Float.floatToIntBits(cst);
+ if (bits == 0L || bits == 0x3f800000 || bits == 0x40000000) { // 0..2
+ mv.visitInsn(Opcodes.FCONST_0 + (int) cst);
+ } else {
+ mv.visitLdcInsn(new Float(cst));
+ }
+ }
+
+ public void dconst(final double cst) {
+ long bits = Double.doubleToLongBits(cst);
+ if (bits == 0L || bits == 0x3ff0000000000000L) { // +0.0d and 1.0d
+ mv.visitInsn(Opcodes.DCONST_0 + (int) cst);
+ } else {
+ mv.visitLdcInsn(new Double(cst));
+ }
+ }
+
+ public void tconst(final Type type) {
+ mv.visitLdcInsn(type);
+ }
+
+ public void load(final int var, final Type type) {
+ mv.visitVarInsn(type.getOpcode(Opcodes.ILOAD), var);
+ }
+
+ public void aload(final Type type) {
+ mv.visitInsn(type.getOpcode(Opcodes.IALOAD));
+ }
+
+ public void store(final int var, final Type type) {
+ mv.visitVarInsn(type.getOpcode(Opcodes.ISTORE), var);
+ }
+
+ public void astore(final Type type) {
+ mv.visitInsn(type.getOpcode(Opcodes.IASTORE));
+ }
+
+ public void pop() {
+ mv.visitInsn(Opcodes.POP);
+ }
+
+ public void pop2() {
+ mv.visitInsn(Opcodes.POP2);
+ }
+
+ public void dup() {
+ mv.visitInsn(Opcodes.DUP);
+ }
+
+ public void dup2() {
+ mv.visitInsn(Opcodes.DUP2);
+ }
+
+ public void dupX1() {
+ mv.visitInsn(Opcodes.DUP_X1);
+ }
+
+ public void dupX2() {
+ mv.visitInsn(Opcodes.DUP_X2);
+ }
+
+ public void dup2X1() {
+ mv.visitInsn(Opcodes.DUP2_X1);
+ }
+
+ public void dup2X2() {
+ mv.visitInsn(Opcodes.DUP2_X2);
+ }
+
+ public void swap() {
+ mv.visitInsn(Opcodes.SWAP);
+ }
+
+ public void add(final Type type) {
+ mv.visitInsn(type.getOpcode(Opcodes.IADD));
+ }
+
+ public void sub(final Type type) {
+ mv.visitInsn(type.getOpcode(Opcodes.ISUB));
+ }
+
+ public void mul(final Type type) {
+ mv.visitInsn(type.getOpcode(Opcodes.IMUL));
+ }
+
+ public void div(final Type type) {
+ mv.visitInsn(type.getOpcode(Opcodes.IDIV));
+ }
+
+ public void rem(final Type type) {
+ mv.visitInsn(type.getOpcode(Opcodes.IREM));
+ }
+
+ public void neg(final Type type) {
+ mv.visitInsn(type.getOpcode(Opcodes.INEG));
+ }
+
+ public void shl(final Type type) {
+ mv.visitInsn(type.getOpcode(Opcodes.ISHL));
+ }
+
+ public void shr(final Type type) {
+ mv.visitInsn(type.getOpcode(Opcodes.ISHR));
+ }
+
+ public void ushr(final Type type) {
+ mv.visitInsn(type.getOpcode(Opcodes.IUSHR));
+ }
+
+ public void and(final Type type) {
+ mv.visitInsn(type.getOpcode(Opcodes.IAND));
+ }
+
+ public void or(final Type type) {
+ mv.visitInsn(type.getOpcode(Opcodes.IOR));
+ }
+
+ public void xor(final Type type) {
+ mv.visitInsn(type.getOpcode(Opcodes.IXOR));
+ }
+
+ public void iinc(final int var, final int increment) {
+ mv.visitIincInsn(var, increment);
+ }
+
+ public void cast(final Type from, final Type to) {
+ if (from != to) {
+ if (from == Type.DOUBLE_TYPE) {
+ if (to == Type.FLOAT_TYPE) {
+ mv.visitInsn(Opcodes.D2F);
+ } else if (to == Type.LONG_TYPE) {
+ mv.visitInsn(Opcodes.D2L);
+ } else {
+ mv.visitInsn(Opcodes.D2I);
+ cast(Type.INT_TYPE, to);
+ }
+ } else if (from == Type.FLOAT_TYPE) {
+ if (to == Type.DOUBLE_TYPE) {
+ mv.visitInsn(Opcodes.F2D);
+ } else if (to == Type.LONG_TYPE) {
+ mv.visitInsn(Opcodes.F2L);
+ } else {
+ mv.visitInsn(Opcodes.F2I);
+ cast(Type.INT_TYPE, to);
+ }
+ } else if (from == Type.LONG_TYPE) {
+ if (to == Type.DOUBLE_TYPE) {
+ mv.visitInsn(Opcodes.L2D);
+ } else if (to == Type.FLOAT_TYPE) {
+ mv.visitInsn(Opcodes.L2F);
+ } else {
+ mv.visitInsn(Opcodes.L2I);
+ cast(Type.INT_TYPE, to);
+ }
+ } else {
+ if (to == Type.BYTE_TYPE) {
+ mv.visitInsn(Opcodes.I2B);
+ } else if (to == Type.CHAR_TYPE) {
+ mv.visitInsn(Opcodes.I2C);
+ } else if (to == Type.DOUBLE_TYPE) {
+ mv.visitInsn(Opcodes.I2D);
+ } else if (to == Type.FLOAT_TYPE) {
+ mv.visitInsn(Opcodes.I2F);
+ } else if (to == Type.LONG_TYPE) {
+ mv.visitInsn(Opcodes.I2L);
+ } else if (to == Type.SHORT_TYPE) {
+ mv.visitInsn(Opcodes.I2S);
+ }
+ }
+ }
+ }
+
+ public void lcmp() {
+ mv.visitInsn(Opcodes.LCMP);
+ }
+
+ public void cmpl(final Type type) {
+ mv.visitInsn(type == Type.FLOAT_TYPE ? Opcodes.FCMPL : Opcodes.DCMPL);
+ }
+
+ public void cmpg(final Type type) {
+ mv.visitInsn(type == Type.FLOAT_TYPE ? Opcodes.FCMPG : Opcodes.DCMPG);
+ }
+
+ public void ifeq(final Label label) {
+ mv.visitJumpInsn(Opcodes.IFEQ, label);
+ }
+
+ public void ifne(final Label label) {
+ mv.visitJumpInsn(Opcodes.IFNE, label);
+ }
+
+ public void iflt(final Label label) {
+ mv.visitJumpInsn(Opcodes.IFLT, label);
+ }
+
+ public void ifge(final Label label) {
+ mv.visitJumpInsn(Opcodes.IFGE, label);
+ }
+
+ public void ifgt(final Label label) {
+ mv.visitJumpInsn(Opcodes.IFGT, label);
+ }
+
+ public void ifle(final Label label) {
+ mv.visitJumpInsn(Opcodes.IFLE, label);
+ }
+
+ public void ificmpeq(final Label label) {
+ mv.visitJumpInsn(Opcodes.IF_ICMPEQ, label);
+ }
+
+ public void ificmpne(final Label label) {
+ mv.visitJumpInsn(Opcodes.IF_ICMPNE, label);
+ }
+
+ public void ificmplt(final Label label) {
+ mv.visitJumpInsn(Opcodes.IF_ICMPLT, label);
+ }
+
+ public void ificmpge(final Label label) {
+ mv.visitJumpInsn(Opcodes.IF_ICMPGE, label);
+ }
+
+ public void ificmpgt(final Label label) {
+ mv.visitJumpInsn(Opcodes.IF_ICMPGT, label);
+ }
+
+ public void ificmple(final Label label) {
+ mv.visitJumpInsn(Opcodes.IF_ICMPLE, label);
+ }
+
+ public void ifacmpeq(final Label label) {
+ mv.visitJumpInsn(Opcodes.IF_ACMPEQ, label);
+ }
+
+ public void ifacmpne(final Label label) {
+ mv.visitJumpInsn(Opcodes.IF_ACMPNE, label);
+ }
+
+ public void goTo(final Label label) {
+ mv.visitJumpInsn(Opcodes.GOTO, label);
+ }
+
+ public void jsr(final Label label) {
+ mv.visitJumpInsn(Opcodes.JSR, label);
+ }
+
+ public void ret(final int var) {
+ mv.visitVarInsn(Opcodes.RET, var);
+ }
+
+ public void tableswitch(
+ final int min,
+ final int max,
+ final Label dflt,
+ final Label[] labels)
+ {
+ mv.visitTableSwitchInsn(min, max, dflt, labels);
+ }
+
+ public void lookupswitch(
+ final Label dflt,
+ final int[] keys,
+ final Label[] labels)
+ {
+ mv.visitLookupSwitchInsn(dflt, keys, labels);
+ }
+
+ public void areturn(final Type t) {
+ mv.visitInsn(t.getOpcode(Opcodes.IRETURN));
+ }
+
+ public void getstatic(
+ final String owner,
+ final String name,
+ final String desc)
+ {
+ mv.visitFieldInsn(Opcodes.GETSTATIC, owner, name, desc);
+ }
+
+ public void putstatic(
+ final String owner,
+ final String name,
+ final String desc)
+ {
+ mv.visitFieldInsn(Opcodes.PUTSTATIC, owner, name, desc);
+ }
+
+ public void getfield(
+ final String owner,
+ final String name,
+ final String desc)
+ {
+ mv.visitFieldInsn(Opcodes.GETFIELD, owner, name, desc);
+ }
+
+ public void putfield(
+ final String owner,
+ final String name,
+ final String desc)
+ {
+ mv.visitFieldInsn(Opcodes.PUTFIELD, owner, name, desc);
+ }
+
+ public void invokevirtual(
+ final String owner,
+ final String name,
+ final String desc)
+ {
+ mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, owner, name, desc);
+ }
+
+ public void invokespecial(
+ final String owner,
+ final String name,
+ final String desc)
+ {
+ mv.visitMethodInsn(Opcodes.INVOKESPECIAL, owner, name, desc);
+ }
+
+ public void invokestatic(
+ final String owner,
+ final String name,
+ final String desc)
+ {
+ mv.visitMethodInsn(Opcodes.INVOKESTATIC, owner, name, desc);
+ }
+
+ public void invokeinterface(
+ final String owner,
+ final String name,
+ final String desc)
+ {
+ mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, owner, name, desc);
+ }
+
+ public void anew(final Type type) {
+ mv.visitTypeInsn(Opcodes.NEW, type.getInternalName());
+ }
+
+ public void newarray(final Type type) {
+ int typ;
+ switch (type.getSort()) {
+ case Type.BOOLEAN:
+ typ = Opcodes.T_BOOLEAN;
+ break;
+ case Type.CHAR:
+ typ = Opcodes.T_CHAR;
+ break;
+ case Type.BYTE:
+ typ = Opcodes.T_BYTE;
+ break;
+ case Type.SHORT:
+ typ = Opcodes.T_SHORT;
+ break;
+ case Type.INT:
+ typ = Opcodes.T_INT;
+ break;
+ case Type.FLOAT:
+ typ = Opcodes.T_FLOAT;
+ break;
+ case Type.LONG:
+ typ = Opcodes.T_LONG;
+ break;
+ case Type.DOUBLE:
+ typ = Opcodes.T_DOUBLE;
+ break;
+ default:
+ mv.visitTypeInsn(Opcodes.ANEWARRAY, type.getInternalName());
+ return;
+ }
+ mv.visitIntInsn(Opcodes.NEWARRAY, typ);
+ }
+
+ public void arraylength() {
+ mv.visitInsn(Opcodes.ARRAYLENGTH);
+ }
+
+ public void athrow() {
+ mv.visitInsn(Opcodes.ATHROW);
+ }
+
+ public void checkcast(final Type type) {
+ mv.visitTypeInsn(Opcodes.CHECKCAST, type.getInternalName());
+ }
+
+ public void instanceOf(final Type type) {
+ mv.visitTypeInsn(Opcodes.INSTANCEOF, type.getInternalName());
+ }
+
+ public void monitorenter() {
+ mv.visitInsn(Opcodes.MONITORENTER);
+ }
+
+ public void monitorexit() {
+ mv.visitInsn(Opcodes.MONITOREXIT);
+ }
+
+ public void multianewarray(final String desc, final int dims) {
+ mv.visitMultiANewArrayInsn(desc, dims);
+ }
+
+ public void ifnull(final Label label) {
+ mv.visitJumpInsn(Opcodes.IFNULL, label);
+ }
+
+ public void ifnonnull(final Label label) {
+ mv.visitJumpInsn(Opcodes.IFNONNULL, label);
+ }
+
+ public void mark(final Label label) {
+ mv.visitLabel(label);
+ }
+}
diff --git a/src/org/objectweb/asm/commons/TryCatchBlockSorter.java b/src/org/objectweb/asm/commons/TryCatchBlockSorter.java
new file mode 100644
index 0000000..0c6b058
--- /dev/null
+++ b/src/org/objectweb/asm/commons/TryCatchBlockSorter.java
@@ -0,0 +1,59 @@
+package org.objectweb.asm.commons;
+
+import java.util.Collections;
+import java.util.Comparator;
+import org.objectweb.asm.MethodVisitor;
+import org.objectweb.asm.tree.MethodNode;
+import org.objectweb.asm.tree.TryCatchBlockNode;
+
+/**
+ * Sorts the exception handlers in a method innermost-to-outermost. This allows
+ * the programmer to add handlers without worrying about ordering them correctly
+ * with respect to existing, in-code handlers.
+ *
+ * Behavior is only defined for properly-nested handlers. If any "try" blocks
+ * overlap (something that isn't possible in Java code) then this may not do
+ * what you want. In fact, this adapter just sorts by the length of the "try"
+ * block, taking advantage of the fact that a given try block must be larger
+ * than any block it contains).
+ *
+ * @author Adrian Sampson
+ */
+public class TryCatchBlockSorter extends MethodNode {
+
+ private final MethodVisitor mv;
+
+ public TryCatchBlockSorter(
+ final MethodVisitor mv,
+ final int access,
+ final String name,
+ final String desc,
+ final String signature,
+ final String[] exceptions)
+ {
+ super(access, name, desc, signature, exceptions);
+ this.mv = mv;
+ }
+
+ public void visitEnd() {
+ // Compares TryCatchBlockNodes by the length of their "try" block.
+ Comparator comp = new Comparator() {
+
+ public int compare(Object o1, Object o2) {
+ int len1 = blockLength((TryCatchBlockNode) o1);
+ int len2 = blockLength((TryCatchBlockNode) o2);
+ return len1 - len2;
+ }
+
+ private int blockLength(TryCatchBlockNode block) {
+ int startidx = instructions.indexOf(block.start);
+ int endidx = instructions.indexOf(block.end);
+ return endidx - startidx;
+ }
+ };
+ Collections.sort(tryCatchBlocks, comp);
+ if (mv != null) {
+ accept(mv);
+ }
+ }
+}
