private static void createProperty(ClassWriter cw, String classType, ASMProperty property)
throws PageException {
String name = property.getName();
Type type = property.getASMType();
Class clazz = property.getClazz();
cw.visitField(Opcodes.ACC_PRIVATE, name, type.toString(), null, null).visitEnd();
int load = loadFor(type);
// int sizeOf=sizeOf(type);
// get<PropertyName>():<type>
Type[] types = new Type[0];
Method method =
new Method(
(clazz == boolean.class ? "get" : "get") + StringUtil.ucFirst(name), type, types);
GeneratorAdapter adapter = new GeneratorAdapter(Opcodes.ACC_PUBLIC, method, null, null, cw);
Label start = new Label();
adapter.visitLabel(start);
adapter.visitVarInsn(Opcodes.ALOAD, 0);
adapter.visitFieldInsn(Opcodes.GETFIELD, classType, name, type.toString());
adapter.returnValue();
Label end = new Label();
adapter.visitLabel(end);
adapter.visitLocalVariable("this", "L" + classType + ";", null, start, end, 0);
adapter.visitEnd();
adapter.endMethod();
// set<PropertyName>(object):void
types = new Type[] {type};
method = new Method("set" + StringUtil.ucFirst(name), Types.VOID, types);
adapter = new GeneratorAdapter(Opcodes.ACC_PUBLIC, method, null, null, cw);
start = new Label();
adapter.visitLabel(start);
adapter.visitVarInsn(Opcodes.ALOAD, 0);
adapter.visitVarInsn(load, 1);
adapter.visitFieldInsn(Opcodes.PUTFIELD, classType, name, type.toString());
adapter.visitInsn(Opcodes.RETURN);
end = new Label();
adapter.visitLabel(end);
adapter.visitLocalVariable("this", "L" + classType + ";", null, start, end, 0);
adapter.visitLocalVariable(name, type.toString(), null, start, end, 1);
// adapter.visitMaxs(0, 0);//.visitMaxs(sizeOf+1, sizeOf+1);// hansx
adapter.visitEnd();
adapter.endMethod();
}
public int visitBeforeExpression(GeneratorAdapter adapter, int start, int step, boolean isLocal) {
// init
adapter.visitLabel(beforeInit);
forInit(adapter, start, isLocal);
adapter.goTo(beforeExpr);
// update
adapter.visitLabel(beforeUpdate);
forUpdate(adapter, step, isLocal);
// expression
adapter.visitLabel(beforeExpr);
return i;
}
private void _writeOutFinally(BytecodeContext bc, int lRef) throws BytecodeException {
// ref.remove(pc);
// Reference r=null;
GeneratorAdapter adapter = bc.getAdapter();
// if(fcf!=null &&
// fcf.getAfterFinalGOTOLabel()!=null)ASMUtil.visitLabel(adapter,fcf.getFinalEntryLabel());
ExpressionUtil.visitLine(bc, finallyLine);
// if (reference != null)
// reference.removeEL(pagecontext);
Label removeEnd = new Label();
adapter.loadLocal(lRef);
adapter.ifNull(removeEnd);
adapter.loadLocal(lRef);
adapter.loadArg(0);
adapter.invokeInterface(Types.REFERENCE, REMOVE_EL);
adapter.pop();
adapter.visitLabel(removeEnd);
if (finallyBody != null) finallyBody.writeOut(bc); // finally
/*if(fcf!=null){
Label l = fcf.getAfterFinalGOTOLabel();
if(l!=null)adapter.visitJumpInsn(Opcodes.GOTO, l);
}*/
}
/**
* @see
* railo.transformer.bytecode.statement.StatementBase#_writeOut(org.objectweb.asm.commons.GeneratorAdapter)
*/
public void _writeOut(BytecodeContext bc) throws BytecodeException {
GeneratorAdapter adapter = bc.getAdapter();
adapter.visitLabel(begin);
// Reference ref=null;
final int lRef = adapter.newLocal(Types.REFERENCE);
adapter.visitInsn(Opcodes.ACONST_NULL);
adapter.storeLocal(lRef);
// has no try body, if there is no try body, no catches are executed, only finally
if (!tryBody.hasStatements()) {
if (finallyBody != null) finallyBody.writeOut(bc);
return;
}
TryCatchFinallyVisitor tcfv =
new TryCatchFinallyVisitor(
new OnFinally() {
public void writeOut(BytecodeContext bc) throws BytecodeException {
_writeOutFinally(bc, lRef);
}
},
getFlowControlFinal());
// try
tcfv.visitTryBegin(bc);
tryBody.writeOut(bc);
int lThrow = tcfv.visitTryEndCatchBeging(bc);
_writeOutCatch(bc, lRef, lThrow);
tcfv.visitCatchEnd(bc);
}
/**
* @see
* lucee.transformer.bytecode.expression.ExpressionBase#_writeOut(org.objectweb.asm.commons.GeneratorAdapter,
* int)
*/
@Override
public Type _writeOut(BytecodeContext bc, int mode) throws TransformerException {
GeneratorAdapter adapter = bc.getAdapter();
if (mode == MODE_REF) {
_writeOut(bc, MODE_VALUE);
adapter.invokeStatic(Types.CASTER, Methods.METHOD_TO_BOOLEAN_FROM_BOOLEAN);
return Types.BOOLEAN;
}
Label l1 = new Label();
Label l2 = new Label();
expr.writeOut(bc, MODE_VALUE);
adapter.ifZCmp(Opcodes.IFEQ, l1);
adapter.visitInsn(Opcodes.ICONST_0);
adapter.visitJumpInsn(Opcodes.GOTO, l2);
adapter.visitLabel(l1);
adapter.visitInsn(Opcodes.ICONST_1);
adapter.visitLabel(l2);
return Types.BOOLEAN_VALUE;
}
private void _writeOutCatch(BytecodeContext bc, int lRef, int lThrow) throws BytecodeException {
GeneratorAdapter adapter = bc.getAdapter();
int pe = adapter.newLocal(Types.PAGE_EXCEPTION);
// instance of Abort
Label abortEnd = new Label();
adapter.loadLocal(lThrow);
adapter.invokeStatic(Types.ABORT, TryCatchFinally.IS_ABORT);
// adapter.instanceOf(Types.ABORT);
adapter.ifZCmp(Opcodes.IFEQ, abortEnd);
adapter.loadLocal(lThrow);
adapter.throwException();
adapter.visitLabel(abortEnd);
// PageExceptionImpl old=pc.getCatch();
int old = adapter.newLocal(Types.PAGE_EXCEPTION);
adapter.loadArg(0);
adapter.invokeVirtual(Types.PAGE_CONTEXT, TagTry.GET_CATCH);
adapter.storeLocal(old);
// cast to PageException Caster.toPagException(t);
adapter.loadLocal(lThrow);
adapter.invokeStatic(Types.CASTER, TO_PAGE_EXCEPTION);
// PageException pe=...
adapter.storeLocal(pe);
// catch loop
Label endAllIf = new Label();
Iterator<Catch> it = catches.iterator();
Catch ctElse = null;
while (it.hasNext()) {
Catch ct = it.next();
// store any for else
if (ct.type != null
&& ct.type instanceof LitString
&& ((LitString) ct.type).getString().equalsIgnoreCase("any")) {
ctElse = ct;
continue;
}
ExpressionUtil.visitLine(bc, ct.line);
// pe.typeEqual(type)
if (ct.type == null) {
LitBoolean.TRUE.writeOut(bc, Expression.MODE_VALUE);
} else {
adapter.loadLocal(pe);
ct.type.writeOut(bc, Expression.MODE_REF);
adapter.invokeVirtual(Types.PAGE_EXCEPTION, TYPE_EQUAL);
}
Label endIf = new Label();
adapter.ifZCmp(Opcodes.IFEQ, endIf);
catchBody(bc, adapter, ct, pe, lRef, true, true);
adapter.visitJumpInsn(Opcodes.GOTO, endAllIf);
adapter.visitLabel(endIf);
}
if (ctElse != null) {
catchBody(bc, adapter, ctElse, pe, lRef, true, true);
} else {
// pc.setCatch(pe,true);
adapter.loadArg(0);
adapter.loadLocal(pe);
adapter.push(false);
adapter.push(false);
adapter.invokeVirtual(Types.PAGE_CONTEXT, TagTry.SET_CATCH3);
adapter.loadLocal(pe);
adapter.throwException();
}
adapter.visitLabel(endAllIf);
// PageExceptionImpl old=pc.setCatch(old);
adapter.loadArg(0);
adapter.loadLocal(old);
adapter.invokeVirtual(Types.PAGE_CONTEXT, TagTry.SET_CATCH_PE);
}
public static void visitLabel(GeneratorAdapter ga, Label label) {
if (label != null) ga.visitLabel(label);
}
