Application: gvSIG desktop

import org.gvsig.expressionevaluator.Code;

import org.gvsig.expressionevaluator.Code.Constant;

import org.gvsig.expressionevaluator.Code.Identifier;

import org.gvsig.expressionevaluator.Code.Method;

import org.gvsig.expressionevaluator.Codes;

import org.gvsig.expressionevaluator.ExpressionRuntimeException;

import org.gvsig.expressionevaluator.impl.function.programming.ReturnFunction.ReturnException;

import org.gvsig.expressionevaluator.spi.AbstractSymbolTable;

import org.gvsig.tools.resourcesstorage.ResourcesStorage;

public class DefaultInterpreter implements Interpreter {

                    value = method.call(this, argvalues);

                    break;

                }

                Function function = caller.function();

                if( function == null ) {

                    function = this.getSymbolTable().function(caller.name());

                Codes args = caller.parameters();

                try {

                    switch( caller.type() ) {

                        if( args == null || args.size() != 1 ) {

                            throw new ExpressionRuntimeException(code, I18N.Number_of_argument_mistmatch_in_operator_XIdentifierX_expected_1_got_XargcX(function.name(),args==null?0:args.size()));

                        }

                        value = ((UnaryOperator) function).call(this, runCode(args.get(0)));

                        break;

                        if( args == null || args.size() != 2 ) {

                            throw new ExpressionRuntimeException(code, I18N.Number_of_argument_mistmatch_in_operator_XIdentifierX_expected_2_got_XargcX(function.name(),args==null?0:args.size()));

                        }

                        value = ((BinaryOperator) function).call(this, runCode(args.get(0)), runCode(args.get(1)));

                        break;

                        int argc = (args == null) ? 0 : args.size();

                        if( !function.argc().contains(argc) ) {

                            throw new ExpressionRuntimeException(code, I18N.Number_of_argument_mistmatch_in_function_XIdentifierX_expected_XexpectedX_got_XfoundX(function.name(),function.argc(),argc));