package railo.transformer.bytecode.expression.var;
import org.objectweb.asm.Type;
import org.objectweb.asm.commons.GeneratorAdapter;
import org.objectweb.asm.commons.Method;
import railo.transformer.bytecode.BytecodeContext;
import railo.transformer.bytecode.BytecodeException;
import railo.transformer.bytecode.expression.ExpressionBase;
import railo.transformer.bytecode.util.TypeScope;
import railo.transformer.bytecode.util.Types;
public final class VariableRef extends ExpressionBase {
private Variable variable;
// Object touch (Object,String)
private final static Method TOUCH = new Method("touch",
Types.OBJECT,
new Type[]{Types.OBJECT,Types.STRING});
// railo.runtime.type.ref.Reference getReference (Object,String)
private final static Method GET_REFERENCE = new Method("getReference",
Types.REFERENCE,
new Type[]{Types.OBJECT,Types.STRING});
// Object touch (Object,Key)
private final static Method TOUCH_KEY = new Method("touch",
Types.OBJECT,
new Type[]{Types.OBJECT,Types.COLLECTION_KEY});
// railo.runtime.type.ref.Reference getReference (Object,Key)
private final static Method GET_REFERENCE_KEY = new Method("getReference",
Types.REFERENCE,
new Type[]{Types.OBJECT,Types.COLLECTION_KEY});
public VariableRef(Variable variable) {
super(variable.getStart(),variable.getEnd());
this.variable=variable;
}
/**
*
* @see railo.transformer.bytecode.expression.ExpressionBase#_writeOut(org.objectweb.asm.commons.GeneratorAdapter, int)
*/
public Type _writeOut(BytecodeContext bc, int mode) throws BytecodeException {
GeneratorAdapter adapter = bc.getAdapter();
int count=variable.countFM+variable.countDM;
for(int i=0;i<=count;i++) {
adapter.loadArg(0);
}
TypeScope.invokeScope(adapter, variable.scope);
boolean isLast;
for(int i=0;i<count;i++) {
isLast=(i+1)==count;
if(Variable.registerKey(bc,((DataMember)variable.members.get(i)).getName()))
adapter.invokeVirtual(Types.PAGE_CONTEXT,isLast?GET_REFERENCE_KEY:TOUCH_KEY);
else
adapter.invokeVirtual(Types.PAGE_CONTEXT,isLast?GET_REFERENCE:TOUCH);
//((DataMember)variable.members.get(i)).getName().writeOut(bc, MODE_REF);
//adapter.invokeVirtual(Types.PAGE_CONTEXT,isLast?GET_REFERENCE:TOUCH);
}
return Types.REFERENCE;
}
/* *
*
* @see railo.transformer.bytecode.expression.Expression#getType()
* /
public int getType() {
return Types._OBJECT;
}*/
}