/**
* @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);
}
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);
}*/
}
/**
* sets finally body
*
* @param body
*/
public void setFinally(Body body, Position finallyLine) {
body.setParent(this);
this.finallyBody = body;
this.finallyLine = finallyLine;
}
/**
* Constructor of the class
*
* @param body
* @param line
*/
public TryCatchFinally(Body body, Position start, Position end) {
super(start, end);
this.tryBody = body;
body.setParent(this);
}
/**
* @param type
* @param name
* @param body
* @param line
*/
public void addCatch(ExprString type, VariableRef name, Body body, Position line) {
body.setParent(this);
catches.add(new Catch(type, name, body, line));
}