本文整理汇总了Java中javassist.bytecode.Bytecode.addIconst方法的典型用法代码示例。如果您正苦于以下问题：Java Bytecode.addIconst方法的具体用法？Java Bytecode.addIconst怎么用？Java Bytecode.addIconst使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类javassist.bytecode.Bytecode的用法示例。
在下文中一共展示了Bytecode.addIconst方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: addGetter
import javassist.bytecode.Bytecode; //导入方法依赖的package包/类
private void addGetter(ClassFile classfile, final Method[] getters) throws CannotCompileException {
ConstPool cp = classfile.getConstPool();
int target_type_index = cp.addClassInfo( this.targetBean.getName() );
String desc = GET_SETTER_DESC;
MethodInfo mi = new MethodInfo( cp, GENERATED_GETTER_NAME, desc );
Bytecode code = new Bytecode( cp, 6, 4 );
/* | this | bean | args | raw bean | */
if ( getters.length >= 0 ) {
// aload_1 // load bean
code.addAload( 1 );
// checkcast // cast bean
code.addCheckcast( this.targetBean.getName() );
// astore_3 // store bean
code.addAstore( 3 );
for ( int i = 0; i < getters.length; ++i ) {
if ( getters[i] != null ) {
Method getter = getters[i];
// aload_2 // args
code.addAload( 2 );
// iconst_i // continue to aastore
code.addIconst( i ); // growing stack is 1
Class returnType = getter.getReturnType();
int typeIndex = -1;
if ( returnType.isPrimitive() ) {
typeIndex = FactoryHelper.typeIndex( returnType );
// new
code.addNew( FactoryHelper.wrapperTypes[typeIndex] );
// dup
code.addOpcode( Opcode.DUP );
}
// aload_3 // load the raw bean
code.addAload( 3 );
String getter_desc = RuntimeSupport.makeDescriptor( getter );
String getterName = getter.getName();
if ( this.targetBean.isInterface() ) {
// invokeinterface
code.addInvokeinterface( target_type_index, getterName, getter_desc, 1 );
}
else {
// invokevirtual
code.addInvokevirtual( target_type_index, getterName, getter_desc );
}
if ( typeIndex >= 0 ) { // is a primitive type
// invokespecial
code.addInvokespecial(
FactoryHelper.wrapperTypes[typeIndex],
MethodInfo.nameInit,
FactoryHelper.wrapperDesc[typeIndex]
);
}
// aastore // args
code.add( Opcode.AASTORE );
code.growStack( -3 );
}
}
}
// return
code.addOpcode( Opcode.RETURN );
mi.setCodeAttribute( code.toCodeAttribute() );
mi.setAccessFlags( AccessFlag.PUBLIC );
classfile.addMethod( mi );
}
示例2: addGetter
import javassist.bytecode.Bytecode; //导入方法依赖的package包/类
private void addGetter(ClassFile classfile, final Method[] getters) throws CannotCompileException {
final ConstPool constPool = classfile.getConstPool();
final int targetBeanConstPoolIndex = constPool.addClassInfo( this.targetBean.getName() );
final String desc = GET_SETTER_DESC;
final MethodInfo getterMethodInfo = new MethodInfo( constPool, GENERATED_GETTER_NAME, desc );
final Bytecode code = new Bytecode( constPool, 6, 4 );
/* | this | bean | args | raw bean | */
if ( getters.length >= 0 ) {
// aload_1 // load bean
code.addAload( 1 );
// checkcast // cast bean
code.addCheckcast( this.targetBean.getName() );
// astore_3 // store bean
code.addAstore( 3 );
for ( int i = 0; i < getters.length; ++i ) {
if ( getters[i] != null ) {
final Method getter = getters[i];
// aload_2 // args
code.addAload( 2 );
// iconst_i // continue to aastore
// growing stack is 1
code.addIconst( i );
final Class returnType = getter.getReturnType();
int typeIndex = -1;
if ( returnType.isPrimitive() ) {
typeIndex = FactoryHelper.typeIndex( returnType );
// new
code.addNew( FactoryHelper.wrapperTypes[typeIndex] );
// dup
code.addOpcode( Opcode.DUP );
}
// aload_3 // load the raw bean
code.addAload( 3 );
final String getterSignature = RuntimeSupport.makeDescriptor( getter );
final String getterName = getter.getName();
if ( this.targetBean.isInterface() ) {
// invokeinterface
code.addInvokeinterface( targetBeanConstPoolIndex, getterName, getterSignature, 1 );
}
else {
// invokevirtual
code.addInvokevirtual( targetBeanConstPoolIndex, getterName, getterSignature );
}
if ( typeIndex >= 0 ) {
// is a primitive type
// invokespecial
code.addInvokespecial(
FactoryHelper.wrapperTypes[typeIndex],
MethodInfo.nameInit,
FactoryHelper.wrapperDesc[typeIndex]
);
}
// aastore // args
code.add( Opcode.AASTORE );
code.growStack( -3 );
}
}
}
// return
code.addOpcode( Opcode.RETURN );
getterMethodInfo.setCodeAttribute( code.toCodeAttribute() );
getterMethodInfo.setAccessFlags( AccessFlag.PUBLIC );
classfile.addMethod( getterMethodInfo );
}