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// 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.objectweb.asm.commons;
import org.objectweb.asm.ConstantDynamic;
import org.objectweb.asm.Handle;
import org.objectweb.asm.Label;
import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Opcodes;
import org.objectweb.asm.Type;
/**
* A {@link MethodVisitor} providing a more detailed API to generate and transform instructions.
*
* @author Eric Bruneton
*/
public class InstructionAdapter extends MethodVisitor {
/** The type of the java.lang.Object class. */
public static final Type OBJECT_TYPE = Type.getType("Ljava/lang/Object;");
/**
* Constructs a new {@link InstructionAdapter}. Subclasses must not use this constructor.
* Instead, they must use the {@link #InstructionAdapter(int, MethodVisitor)} version.
*
* @param methodVisitor the method visitor to which this adapter delegates calls.
* @throws IllegalStateException If a subclass calls this constructor.
*/
public InstructionAdapter(final MethodVisitor methodVisitor) {
this(/* latest api = */ Opcodes.ASM9, methodVisitor);
if (getClass() != InstructionAdapter.class) {
throw new IllegalStateException();
}
}
/**
* Constructs a new {@link InstructionAdapter}.
*
* @param api the ASM API version implemented by this visitor. Must be one of the {@code
* ASM}x values in {@link Opcodes}.
* @param methodVisitor the method visitor to which this adapter delegates calls.
*/
protected InstructionAdapter(final int api, final MethodVisitor methodVisitor) {
super(api, methodVisitor);
}
@Override
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((long) (opcode - Opcodes.LCONST_0));
break;
case Opcodes.FCONST_0:
case Opcodes.FCONST_1:
case Opcodes.FCONST_2:
fconst((float) (opcode - Opcodes.FCONST_0));
break;
case Opcodes.DCONST_0:
case Opcodes.DCONST_1:
dconst((double) (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();
}
}
@Override
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();
}
}
@Override
public void visitVarInsn(final int opcode, final int varIndex) {
switch (opcode) {
case Opcodes.ILOAD:
load(varIndex, Type.INT_TYPE);
break;
case Opcodes.LLOAD:
load(varIndex, Type.LONG_TYPE);
break;
case Opcodes.FLOAD:
load(varIndex, Type.FLOAT_TYPE);
break;
case Opcodes.DLOAD:
load(varIndex, Type.DOUBLE_TYPE);
break;
case Opcodes.ALOAD:
load(varIndex, OBJECT_TYPE);
break;
case Opcodes.ISTORE:
store(varIndex, Type.INT_TYPE);
break;
case Opcodes.LSTORE:
store(varIndex, Type.LONG_TYPE);
break;
case Opcodes.FSTORE:
store(varIndex, Type.FLOAT_TYPE);
break;
case Opcodes.DSTORE:
store(varIndex, Type.DOUBLE_TYPE);
break;
case Opcodes.ASTORE:
store(varIndex, OBJECT_TYPE);
break;
case Opcodes.RET:
ret(varIndex);
break;
default:
throw new IllegalArgumentException();
}
}
@Override
public void visitTypeInsn(final int opcode, final String type) {
Type objectType = Type.getObjectType(type);
switch (opcode) {
case Opcodes.NEW:
anew(objectType);
break;
case Opcodes.ANEWARRAY:
newarray(objectType);
break;
case Opcodes.CHECKCAST:
checkcast(objectType);
break;
case Opcodes.INSTANCEOF:
instanceOf(objectType);
break;
default:
throw new IllegalArgumentException();
}
}
@Override
public void visitFieldInsn(
final int opcode, final String owner, final String name, final String descriptor) {
switch (opcode) {
case Opcodes.GETSTATIC:
getstatic(owner, name, descriptor);
break;
case Opcodes.PUTSTATIC:
putstatic(owner, name, descriptor);
break;
case Opcodes.GETFIELD:
getfield(owner, name, descriptor);
break;
case Opcodes.PUTFIELD:
putfield(owner, name, descriptor);
break;
default:
throw new IllegalArgumentException();
}
}
@Override
public void visitMethodInsn(
final int opcodeAndSource,
final String owner,
final String name,
final String descriptor,
final boolean isInterface) {
if (api < Opcodes.ASM5 && (opcodeAndSource & Opcodes.SOURCE_DEPRECATED) == 0) {
// Redirect the call to the deprecated version of this method.
super.visitMethodInsn(opcodeAndSource, owner, name, descriptor, isInterface);
return;
}
int opcode = opcodeAndSource & ~Opcodes.SOURCE_MASK;
switch (opcode) {
case Opcodes.INVOKESPECIAL:
invokespecial(owner, name, descriptor, isInterface);
break;
case Opcodes.INVOKEVIRTUAL:
invokevirtual(owner, name, descriptor, isInterface);
break;
case Opcodes.INVOKESTATIC:
invokestatic(owner, name, descriptor, isInterface);
break;
case Opcodes.INVOKEINTERFACE:
invokeinterface(owner, name, descriptor);
break;
default:
throw new IllegalArgumentException();
}
}
@Override
public void visitInvokeDynamicInsn(
final String name,
final String descriptor,
final Handle bootstrapMethodHandle,
final Object... bootstrapMethodArguments) {
invokedynamic(name, descriptor, bootstrapMethodHandle, bootstrapMethodArguments);
}
@Override
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();
}
}
@Override
public void visitLabel(final Label label) {
mark(label);
}
@Override
public void visitLdcInsn(final Object value) {
if (api < Opcodes.ASM5
&& (value instanceof Handle
|| (value instanceof Type && ((Type) value).getSort() == Type.METHOD))) {
throw new UnsupportedOperationException("This feature requires ASM5");
}
if (api < Opcodes.ASM7 && value instanceof ConstantDynamic) {
throw new UnsupportedOperationException("This feature requires ASM7");
}
if (value instanceof Integer) {
iconst((Integer) value);
} else if (value instanceof Byte) {
iconst(((Byte) value).intValue());
} else if (value instanceof Character) {
iconst(((Character) value).charValue());
} else if (value instanceof Short) {
iconst(((Short) value).intValue());
} else if (value instanceof Boolean) {
iconst(((Boolean) value).booleanValue() ? 1 : 0);
} else if (value instanceof Float) {
fconst((Float) value);
} else if (value instanceof Long) {
lconst((Long) value);
} else if (value instanceof Double) {
dconst((Double) value);
} else if (value instanceof String) {
aconst(value);
} else if (value instanceof Type) {
tconst((Type) value);
} else if (value instanceof Handle) {
hconst((Handle) value);
} else if (value instanceof ConstantDynamic) {
cconst((ConstantDynamic) value);
} else {
throw new IllegalArgumentException();
}
}
@Override
public void visitIincInsn(final int varIndex, final int increment) {
iinc(varIndex, increment);
}
@Override
public void visitTableSwitchInsn(
final int min, final int max, final Label dflt, final Label... labels) {
tableswitch(min, max, dflt, labels);
}
@Override
public void visitLookupSwitchInsn(final Label dflt, final int[] keys, final Label[] labels) {
lookupswitch(dflt, keys, labels);
}
@Override
public void visitMultiANewArrayInsn(final String descriptor, final int numDimensions) {
multianewarray(descriptor, numDimensions);
}
// -----------------------------------------------------------------------------------------------
/** Generates a nop instruction. */
public void nop() {
mv.visitInsn(Opcodes.NOP);
}
/**
* Generates the instruction to push the given value on the stack.
*
* @param value the constant to be pushed on the stack. This parameter must be an {@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 void aconst(final Object value) {
if (value == null) {
mv.visitInsn(Opcodes.ACONST_NULL);
} else {
mv.visitLdcInsn(value);
}
}
/**
* Generates the instruction to push the given value on the stack.
*
* @param intValue the constant to be pushed on the stack.
*/
public void iconst(final int intValue) {
if (intValue >= -1 && intValue <= 5) {
mv.visitInsn(Opcodes.ICONST_0 + intValue);
} else if (intValue >= Byte.MIN_VALUE && intValue <= Byte.MAX_VALUE) {
mv.visitIntInsn(Opcodes.BIPUSH, intValue);
} else if (intValue >= Short.MIN_VALUE && intValue <= Short.MAX_VALUE) {
mv.visitIntInsn(Opcodes.SIPUSH, intValue);
} else {
mv.visitLdcInsn(intValue);
}
}
/**
* Generates the instruction to push the given value on the stack.
*
* @param longValue the constant to be pushed on the stack.
*/
public void lconst(final long longValue) {
if (longValue == 0L || longValue == 1L) {
mv.visitInsn(Opcodes.LCONST_0 + (int) longValue);
} else {
mv.visitLdcInsn(longValue);
}
}
/**
* Generates the instruction to push the given value on the stack.
*
* @param floatValue the constant to be pushed on the stack.
*/
public void fconst(final float floatValue) {
int bits = Float.floatToIntBits(floatValue);
if (bits == 0L || bits == 0x3F800000 || bits == 0x40000000) { // 0..2
mv.visitInsn(Opcodes.FCONST_0 + (int) floatValue);
} else {
mv.visitLdcInsn(floatValue);
}
}
/**
* Generates the instruction to push the given value on the stack.
*
* @param doubleValue the constant to be pushed on the stack.
*/
public void dconst(final double doubleValue) {
long bits = Double.doubleToLongBits(doubleValue);
if (bits == 0L || bits == 0x3FF0000000000000L) { // +0.0d and 1.0d
mv.visitInsn(Opcodes.DCONST_0 + (int) doubleValue);
} else {
mv.visitLdcInsn(doubleValue);
}
}
/**
* Generates the instruction to push the given type on the stack.
*
* @param type the type to be pushed on the stack.
*/
public void tconst(final Type type) {
mv.visitLdcInsn(type);
}
/**
* Generates the instruction to push the given handle on the stack.
*
* @param handle the handle to be pushed on the stack.
*/
public void hconst(final Handle handle) {
mv.visitLdcInsn(handle);
}
/**
* Generates the instruction to push the given constant dynamic on the stack.
*
* @param constantDynamic the constant dynamic to be pushed on the stack.
*/
public void cconst(final ConstantDynamic constantDynamic) {
mv.visitLdcInsn(constantDynamic);
}
public void load(final int varIndex, final Type type) {
mv.visitVarInsn(type.getOpcode(Opcodes.ILOAD), varIndex);
}
public void aload(final Type type) {
mv.visitInsn(type.getOpcode(Opcodes.IALOAD));
}
public void store(final int varIndex, final Type type) {
mv.visitVarInsn(type.getOpcode(Opcodes.ISTORE), varIndex);
}
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 varIndex, final int increment) {
mv.visitIincInsn(varIndex, increment);
}
/**
* Generates the instruction to cast from the first given type to the other.
*
* @param from a Type.
* @param to a Type.
*/
public void cast(final Type from, final Type to) {
cast(mv, from, to);
}
/**
* Generates the instruction to cast from the first given type to the other.
*
* @param methodVisitor the method visitor to use to generate the instruction.
* @param from a Type.
* @param to a Type.
*/
static void cast(final MethodVisitor methodVisitor, final Type from, final Type to) {
if (from != to) {
if (from == Type.DOUBLE_TYPE) {
if (to == Type.FLOAT_TYPE) {
methodVisitor.visitInsn(Opcodes.D2F);
} else if (to == Type.LONG_TYPE) {
methodVisitor.visitInsn(Opcodes.D2L);
} else {
methodVisitor.visitInsn(Opcodes.D2I);
cast(methodVisitor, Type.INT_TYPE, to);
}
} else if (from == Type.FLOAT_TYPE) {
if (to == Type.DOUBLE_TYPE) {
methodVisitor.visitInsn(Opcodes.F2D);
} else if (to == Type.LONG_TYPE) {
methodVisitor.visitInsn(Opcodes.F2L);
} else {
methodVisitor.visitInsn(Opcodes.F2I);
cast(methodVisitor, Type.INT_TYPE, to);
}
} else if (from == Type.LONG_TYPE) {
if (to == Type.DOUBLE_TYPE) {
methodVisitor.visitInsn(Opcodes.L2D);
} else if (to == Type.FLOAT_TYPE) {
methodVisitor.visitInsn(Opcodes.L2F);
} else {
methodVisitor.visitInsn(Opcodes.L2I);
cast(methodVisitor, Type.INT_TYPE, to);
}
} else {
if (to == Type.BYTE_TYPE) {
methodVisitor.visitInsn(Opcodes.I2B);
} else if (to == Type.CHAR_TYPE) {
methodVisitor.visitInsn(Opcodes.I2C);
} else if (to == Type.DOUBLE_TYPE) {
methodVisitor.visitInsn(Opcodes.I2D);
} else if (to == Type.FLOAT_TYPE) {
methodVisitor.visitInsn(Opcodes.I2F);
} else if (to == Type.LONG_TYPE) {
methodVisitor.visitInsn(Opcodes.I2L);
} else if (to == Type.SHORT_TYPE) {
methodVisitor.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 varIndex) {
mv.visitVarInsn(Opcodes.RET, varIndex);
}
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 type) {
mv.visitInsn(type.getOpcode(Opcodes.IRETURN));
}
public void getstatic(final String owner, final String name, final String descriptor) {
mv.visitFieldInsn(Opcodes.GETSTATIC, owner, name, descriptor);
}
public void putstatic(final String owner, final String name, final String descriptor) {
mv.visitFieldInsn(Opcodes.PUTSTATIC, owner, name, descriptor);
}
public void getfield(final String owner, final String name, final String descriptor) {
mv.visitFieldInsn(Opcodes.GETFIELD, owner, name, descriptor);
}
public void putfield(final String owner, final String name, final String descriptor) {
mv.visitFieldInsn(Opcodes.PUTFIELD, owner, name, descriptor);
}
/**
* Deprecated.
*
* @param owner the internal name of the method's owner class (see {@link
* Type#getInternalName()}).
* @param name the method's name.
* @param descriptor the method's descriptor (see {@link Type}).
* @deprecated use {@link #invokevirtual(String, String, String, boolean)} instead.
*/
@Deprecated
public void invokevirtual(final String owner, final String name, final String descriptor) {
if (api >= Opcodes.ASM5) {
invokevirtual(owner, name, descriptor, false);
return;
}
mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, owner, name, descriptor);
}
/**
* Generates the instruction to call the given virtual method.
*
* @param owner the internal name of the method's owner class (see {@link
* Type#getInternalName()}).
* @param name the method's name.
* @param descriptor the method's descriptor (see {@link Type}).
* @param isInterface if the method's owner class is an interface.
*/
public void invokevirtual(
final String owner, final String name, final String descriptor, final boolean isInterface) {
if (api < Opcodes.ASM5) {
if (isInterface) {
throw new UnsupportedOperationException("INVOKEVIRTUAL on interfaces require ASM 5");
}
invokevirtual(owner, name, descriptor);
return;
}
mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, owner, name, descriptor, isInterface);
}
/**
* Deprecated.
*
* @param owner the internal name of the method's owner class (see {@link
* Type#getInternalName()}).
* @param name the method's name.
* @param descriptor the method's descriptor (see {@link Type}).
* @deprecated use {@link #invokespecial(String, String, String, boolean)} instead.
*/
@Deprecated
public void invokespecial(final String owner, final String name, final String descriptor) {
if (api >= Opcodes.ASM5) {
invokespecial(owner, name, descriptor, false);
return;
}
mv.visitMethodInsn(Opcodes.INVOKESPECIAL, owner, name, descriptor, false);
}
/**
* Generates the instruction to call the given special method.
*
* @param owner the internal name of the method's owner class (see {@link
* Type#getInternalName()}).
* @param name the method's name.
* @param descriptor the method's descriptor (see {@link Type}).
* @param isInterface if the method's owner class is an interface.
*/
public void invokespecial(
final String owner, final String name, final String descriptor, final boolean isInterface) {
if (api < Opcodes.ASM5) {
if (isInterface) {
throw new UnsupportedOperationException("INVOKESPECIAL on interfaces require ASM 5");
}
invokespecial(owner, name, descriptor);
return;
}
mv.visitMethodInsn(Opcodes.INVOKESPECIAL, owner, name, descriptor, isInterface);
}
/**
* Deprecated.
*
* @param owner the internal name of the method's owner class (see {@link
* Type#getInternalName()}).
* @param name the method's name.
* @param descriptor the method's descriptor (see {@link Type}).
* @deprecated use {@link #invokestatic(String, String, String, boolean)} instead.
*/
@Deprecated
public void invokestatic(final String owner, final String name, final String descriptor) {
if (api >= Opcodes.ASM5) {
invokestatic(owner, name, descriptor, false);
return;
}
mv.visitMethodInsn(Opcodes.INVOKESTATIC, owner, name, descriptor, false);
}
/**
* Generates the instruction to call the given static method.
*
* @param owner the internal name of the method's owner class (see {@link
* Type#getInternalName()}).
* @param name the method's name.
* @param descriptor the method's descriptor (see {@link Type}).
* @param isInterface if the method's owner class is an interface.
*/
public void invokestatic(
final String owner, final String name, final String descriptor, final boolean isInterface) {
if (api < Opcodes.ASM5) {
if (isInterface) {
throw new UnsupportedOperationException("INVOKESTATIC on interfaces require ASM 5");
}
invokestatic(owner, name, descriptor);
return;
}
mv.visitMethodInsn(Opcodes.INVOKESTATIC, owner, name, descriptor, isInterface);
}
/**
* Generates the instruction to call the given interface method.
*
* @param owner the internal name of the method's owner class (see {@link
* Type#getInternalName()}).
* @param name the method's name.
* @param descriptor the method's descriptor (see {@link Type}).
*/
public void invokeinterface(final String owner, final String name, final String descriptor) {
mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, owner, name, descriptor, true);
}
/**
* Generates the instruction to call the given dynamic method.
*
* @param name the method's name.
* @param descriptor the method's descriptor (see {@link 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
* Type}, {@link Handle} or {@link ConstantDynamic} value. This method is allowed to modify
* the content of the array so a caller should expect that this array may change.
*/
public void invokedynamic(
final String name,
final String descriptor,
final Handle bootstrapMethodHandle,
final Object[] bootstrapMethodArguments) {
mv.visitInvokeDynamicInsn(name, descriptor, bootstrapMethodHandle, bootstrapMethodArguments);
}
public void anew(final Type type) {
mv.visitTypeInsn(Opcodes.NEW, type.getInternalName());
}
/**
* Generates the instruction to create and push on the stack an array of the given type.
*
* @param type an array Type.
*/
public void newarray(final Type type) {
newarray(mv, type);
}
/**
* Generates the instruction to create and push on the stack an array of the given type.
*
* @param methodVisitor the method visitor to use to generate the instruction.
* @param type an array Type.
*/
static void newarray(final MethodVisitor methodVisitor, final Type type) {
int arrayType;
switch (type.getSort()) {
case Type.BOOLEAN:
arrayType = Opcodes.T_BOOLEAN;
break;
case Type.CHAR:
arrayType = Opcodes.T_CHAR;
break;
case Type.BYTE:
arrayType = Opcodes.T_BYTE;
break;
case Type.SHORT:
arrayType = Opcodes.T_SHORT;
break;
case Type.INT:
arrayType = Opcodes.T_INT;
break;
case Type.FLOAT:
arrayType = Opcodes.T_FLOAT;
break;
case Type.LONG:
arrayType = Opcodes.T_LONG;
break;
case Type.DOUBLE:
arrayType = Opcodes.T_DOUBLE;
break;
default:
methodVisitor.visitTypeInsn(Opcodes.ANEWARRAY, type.getInternalName());
return;
}
methodVisitor.visitIntInsn(Opcodes.NEWARRAY, arrayType);
}
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 descriptor, final int numDimensions) {
mv.visitMultiANewArrayInsn(descriptor, numDimensions);
}
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);
}
}
