/**
* Resolves arguments, creates local variables and fills the vars and overlists
*
* @param c
* @return list of arguments
*/
protected final GeoElement[] resArgsForZip(Command c) {
// check if there is a local variable in arguments
int numArgs = c.getArgumentNumber();
vars = new GeoElement[numArgs / 2];
over = new GeoList[numArgs / 2];
Construction cmdCons = (Construction) c.getKernel().getConstruction();
for (int varPos = 1; varPos < numArgs; varPos += 2) {
String localVarName = c.getVariableName(varPos);
if (localVarName == null) {
throw argErr(app, c.getName(), c.getArgument(varPos));
}
// add local variable name to construction
GeoElement num = null;
// initialize first value of local numeric variable from initPos
boolean oldval = cons.isSuppressLabelsActive();
cons.setSuppressLabelCreation(true);
GeoList gl = (GeoList) resArg(c.getArgument(varPos + 1))[0];
cons.setSuppressLabelCreation(oldval);
num = gl.get(0).copyInternal(cons);
cmdCons.addLocalVariable(localVarName, num);
// set local variable as our varPos argument
c.setArgument(varPos, new ExpressionNode(c.getKernel(), num));
vars[varPos / 2] = num.toGeoElement();
over[varPos / 2] = gl;
// resolve all command arguments including the local variable just
// created
// remove local variable name from kernel again
}
GeoElement[] arg = resArgs(c);
for (GeoElement localVar : vars) cmdCons.removeLocalVariable(localVar.getLabel());
return arg;
}
