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myvisitor2.java
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import minipython.analysis.*;
import minipython.node.*;
import java.util.*;
public class myvisitor2 extends DepthFirstAdapter {
private Hashtable functions_symtable; //hashtable for functions
private Hashtable variables_symtable; //hashtable for variables
private Hashtable temp = new Hashtable();
myvisitor2(Hashtable variables_symtable, Hashtable functions_symtable)
{
this.variables_symtable = variables_symtable;
this.functions_symtable = functions_symtable;
}
public void outAFunctionCall(AFunctionCall node){
String func_name = node.getId().toString();
int line = ((TId) node.getId()).getLine();
if(functions_symtable.containsKey(func_name)){
//
LinkedList args_func_call = node.getArglist();
AFunction function = (AFunction) functions_symtable.get(func_name);
LinkedList func_arguments = function.getArgument();
// first we must check if the signature of the function has default arguments
// or if it has any arguments at all
if (func_arguments.size() == 0){
// the function has no arguments so we must check if we give any arguments when we call it
if(args_func_call.size() > 0){
System.out.println("Error : in line " + line + " wrong number of arguments for function " + func_name);
System.exit(0);
}else{
// TODO do something with 4th or 5th rule
if(getOut(function.getStatement()) instanceof AAdditionExpression){
AAdditionExpression adds = (AAdditionExpression) getOut(function.getStatement());
AEqualsStatement eq1 = (AEqualsStatement) variables_symtable.get(adds.getL().toString());
AEqualsStatement eq2 = (AEqualsStatement) variables_symtable.get(adds.getR().toString());
PValue v1 = (PValue) getOut(eq1);
PValue v2 = (PValue) getOut(eq2);
if (v1 instanceof AStringValue && v2 instanceof ANumberValue){
System.out.println(" Error :: cannot add string: "+ v1 +"with number:" + v2);
System.exit(0);
}else if(v1 instanceof ANumberValue && v2 instanceof AStringValue){
System.out.println(" Error :: cannot add number: "+ v1 +"with string:" + v2);
System.exit(0);
}else if (v1 instanceof AStringValue && v2 instanceof AStringValue){
setOut(node, new AStringValue());
}else if (v1 instanceof ANumberValue && v2 instanceof ANumberValue){
setOut(node, new ANumberValue());
}
}else if(getOut(function.getStatement()) instanceof ADivisionExpression){
ADivisionExpression divs = (ADivisionExpression) getOut(function.getStatement());
AEqualsStatement eq1 = (AEqualsStatement) variables_symtable.get(divs.getL().toString());
AEqualsStatement eq2 = (AEqualsStatement) variables_symtable.get(divs.getR().toString());
PValue v1 = (PValue) getOut(eq1);
PValue v2 = (PValue) getOut(eq2);
if (v1 instanceof AStringValue && v2 instanceof ANumberValue){
System.out.println(" Error :: cannot divide string: "+ v1 +"with number: " + v2);
System.exit(0);
}else if(v1 instanceof ANumberValue && v2 instanceof AStringValue){
System.out.println(" Error :: cannot divide number: "+ v1 + "with string: "+ v2);
System.exit(0);
}else if (v1 instanceof AStringValue && v2 instanceof AStringValue){
setOut(node, new AStringValue());
}else if (v1 instanceof ANumberValue && v2 instanceof ANumberValue){
setOut(node, new ANumberValue());
}
}else if(getOut(function.getStatement()) instanceof ASubtractionExpression){
ASubtractionExpression subs = (ASubtractionExpression) getOut(function.getStatement());
AEqualsStatement eq1 = (AEqualsStatement) variables_symtable.get(subs.getL().toString());
AEqualsStatement eq2 = (AEqualsStatement) variables_symtable.get(subs.getR().toString());
PValue v1 = (PValue) getOut(eq1);
PValue v2 = (PValue) getOut(eq2);
if (v1 instanceof AStringValue && v2 instanceof ANumberValue){
System.out.println(" Error :: cannot subtract string: "+ v1 +"with number: " + v2);
System.exit(0);
}else if(v1 instanceof ANumberValue && v2 instanceof AStringValue){
System.out.println(" Error :: cannot subtract number: "+ v1 +"with string: " + v2);
System.exit(0);
}else if (v1 instanceof AStringValue && v2 instanceof AStringValue){
setOut(node, new AStringValue());
}else if (v1 instanceof ANumberValue && v2 instanceof ANumberValue){
setOut(node, new ANumberValue());
}
}else if(getOut(function.getStatement()) instanceof APowerExpression){
APowerExpression power = (APowerExpression) getOut(function.getStatement());
AEqualsStatement eq1 = (AEqualsStatement) variables_symtable.get(power.getL().toString());
AEqualsStatement eq2 = (AEqualsStatement) variables_symtable.get(power.getR().toString());
PValue v1 = (PValue) getOut(eq1);
PValue v2 = (PValue) getOut(eq2);
if (v1 instanceof AStringValue && v2 instanceof ANumberValue){
System.out.println(" Error :: cannot use power with: string: "+ v1 + "and number: " + v2);
System.exit(0);
}else if(v1 instanceof ANumberValue && v2 instanceof AStringValue){
System.out.println(" Error ::cannot use power with: number: " + v1 +" and string: " + v2);
System.exit(0);
}else if (v1 instanceof AStringValue && v2 instanceof AStringValue){
setOut(node, new AStringValue());
}else if (v1 instanceof ANumberValue && v2 instanceof ANumberValue){
setOut(node, new ANumberValue());
}
}else if(getOut(function.getStatement()) instanceof AStringValue){
AStringValue str = (AStringValue) getOut(function.getStatement());
setOut(node, str);
}else if(getOut(function.getStatement()) instanceof ANumberValue){
ANumberValue num = (ANumberValue) getOut(function.getStatement());
setOut(node, num);
}else if(getOut(function.getStatement()) instanceof AId2Expression){
AEqualsStatement eq = (AEqualsStatement) variables_symtable.get(function.getStatement().toString());
PValue v1 = (PValue) getOut(eq);
setOut(node, v1);
}
}
}else{
AArgument arg1 = (AArgument) func_arguments.get(0);
LinkedList commaId1 = arg1.getCommaIdentifier();
ACommaIdentifier argument1;
LinkedList eqval1 = arg1.getEqualValue();
Boolean hasDefault = false;
Boolean all_defaults = true;
int number_of_defaults = 0;
if (eqval1.size() != 0){
hasDefault = true;
number_of_defaults++;
}else{
all_defaults = false;
}
for(int i=0; i<commaId1.size(); i++){
argument1 = (ACommaIdentifier) commaId1.get(i);
eqval1 = argument1.getEqualValue();
if (eqval1.size() != 0){
hasDefault = true;
number_of_defaults++;
}else{
all_defaults = false;
}
}
//
if(args_func_call.size() == 0 && !all_defaults){
System.out.println("Error : in line " + line + " wrong number of arguments for function " + func_name);
System.exit(0);
}else if(args_func_call.size() == 0 && all_defaults){
//
if(getOut(function.getStatement()) instanceof AAdditionExpression){
//
AAdditionExpression adds = (AAdditionExpression) getOut(function.getStatement());
PValue v1;
PValue v2;
if(!temp.containsKey(adds.getL().toString())){
if(adds.getL() instanceof AValExpression){
AValExpression valExp = (AValExpression) adds.getL();
v1 = (PValue) valExp.getValue();
}else{
AEqualsStatement eq = (AEqualsStatement) variables_symtable.get(adds.getL().toString());
v1 = (PValue) getOut(eq);
}
}else{
v1 = (PValue) temp.get(adds.getL().toString());
}
if(!temp.containsKey(adds.getR().toString())){
if(adds.getR() instanceof AValExpression){
AValExpression valExp = (AValExpression) adds.getR();
v2 = (PValue) valExp.getValue();
}else{
AEqualsStatement eq = (AEqualsStatement) variables_symtable.get(adds.getR().toString());
v2 = (PValue) getOut(eq);
}
}else{
v2 = (PValue) temp.get(adds.getR().toString());
}
if (v1 instanceof AStringValue && v2 instanceof ANumberValue){
System.out.println(" Error :: cannot add string: "+ v1 +"with number:" + v2);
System.exit(0);
}else if(v1 instanceof ANumberValue && v2 instanceof AStringValue){
System.out.println(" Error :: cannot add number: "+ v1 +"with string:" + v2);
System.exit(0);
}else if (v1 instanceof AStringValue && v2 instanceof AStringValue){
setOut(node, new AStringValue());
}else if (v1 instanceof ANumberValue && v2 instanceof ANumberValue){
setOut(node, new ANumberValue());
}
//
}else if(getOut(function.getStatement()) instanceof ADivisionExpression){
//
ADivisionExpression divs = (ADivisionExpression) getOut(function.getStatement());
PValue v1;
PValue v2;
if(!temp.containsKey(divs.getL().toString())){
if(divs.getL() instanceof AValExpression){
AValExpression valExp = (AValExpression) divs.getL();
v1 = (PValue) valExp.getValue();
}else{
AEqualsStatement eq = (AEqualsStatement) variables_symtable.get(divs.getL().toString());
v1 = (PValue) getOut(eq);
}
}else{
v1 = (PValue) temp.get(divs.getL().toString());
}
if(!temp.containsKey(divs.getR().toString())){
if(divs.getR() instanceof AValExpression){
AValExpression valExp = (AValExpression) divs.getR();
v2 = (PValue) valExp.getValue();
}else{
AEqualsStatement eq = (AEqualsStatement) variables_symtable.get(divs.getR().toString());
v2 = (PValue) getOut(eq);
}
}else{
v2 = (PValue) temp.get(divs.getR().toString());
}
if (v1 instanceof AStringValue && v2 instanceof ANumberValue){
System.out.println(" Error :: cannot divide string: "+ v1 +"with number: " + v2);
System.exit(0);
}else if(v1 instanceof ANumberValue && v2 instanceof AStringValue){
System.out.println(" Error :: cannot divide number: "+ v1 + "with string: "+ v2);
System.exit(0);
}else if (v1 instanceof AStringValue && v2 instanceof AStringValue){
setOut(node, new AStringValue());
}else if (v1 instanceof ANumberValue && v2 instanceof ANumberValue){
setOut(node, new ANumberValue());
}
//
}else if(getOut(function.getStatement()) instanceof ASubtractionExpression){
//
ASubtractionExpression subs = (ASubtractionExpression) getOut(function.getStatement());
PValue v1;
PValue v2;
if(!temp.containsKey(subs.getL().toString())){
if(subs.getL() instanceof AValExpression){
AValExpression valExp = (AValExpression) subs.getL();
v1 = (PValue) valExp.getValue();
}else{
AEqualsStatement eq = (AEqualsStatement) variables_symtable.get(subs.getL().toString());
v1 = (PValue) getOut(eq);
}
}else{
v1 = (PValue) temp.get(subs.getL().toString());
}
if(!temp.containsKey(subs.getR().toString())){
if(subs.getR() instanceof AValExpression){
AValExpression valExp = (AValExpression) subs.getR();
v2 = (PValue) valExp.getValue();
}else{
AEqualsStatement eq = (AEqualsStatement) variables_symtable.get(subs.getR().toString());
v2 = (PValue) getOut(eq);
}
}else{
v2 = (PValue) temp.get(subs.getR().toString());
}
if (v1 instanceof AStringValue && v2 instanceof ANumberValue){
System.out.println(" Error :: cannot subtract string: "+ v1 +"with number: " + v2);
System.exit(0);
}else if(v1 instanceof ANumberValue && v2 instanceof AStringValue){
System.out.println(" Error :: cannot subtract number: "+ v1 +"with string: " + v2);
System.exit(0);
}else if (v1 instanceof AStringValue && v2 instanceof AStringValue){
setOut(node, new AStringValue());
}else if (v1 instanceof ANumberValue && v2 instanceof ANumberValue){
setOut(node, new ANumberValue());
}
//
}else if(getOut(function.getStatement()) instanceof APowerExpression){
//
APowerExpression power = (APowerExpression) getOut(function.getStatement());
PValue v1;
PValue v2;
if(!temp.containsKey(power.getL().toString())){
if(power.getL() instanceof AValExpression){
AValExpression valExp = (AValExpression) power.getL();
v1 = (PValue) valExp.getValue();
}else{
AEqualsStatement eq = (AEqualsStatement) variables_symtable.get(power.getL().toString());
v1 = (PValue) getOut(eq);
}
}else{
v1 = (PValue) temp.get(power.getL().toString());
}
if(!temp.containsKey(power.getR().toString())){
if(power.getR() instanceof AValExpression){
AValExpression valExp = (AValExpression) power.getR();
v2 = (PValue) valExp.getValue();
}else{
AEqualsStatement eq = (AEqualsStatement) variables_symtable.get(power.getR().toString());
v2 = (PValue) getOut(eq);
}
}else{
v2 = (PValue) temp.get(power.getR().toString());
}
if (v1 instanceof AStringValue && v2 instanceof ANumberValue){
System.out.println(" Error :: cannot use power with: string: "+ v1 + "and number: " + v2);
System.exit(0);
}else if(v1 instanceof ANumberValue && v2 instanceof AStringValue){
System.out.println(" Error ::cannot use power with: number: " + v1 +" and string: " + v2);
System.exit(0);
}else if (v1 instanceof AStringValue && v2 instanceof AStringValue){
setOut(node, new AStringValue());
}else if (v1 instanceof ANumberValue && v2 instanceof ANumberValue){
setOut(node, new ANumberValue());
}
//
}else if(getOut(function.getStatement()) instanceof AStringValue){
AStringValue str = (AStringValue) getOut(function.getStatement());
setOut(node, str);
}else if(getOut(function.getStatement()) instanceof ANumberValue){
ANumberValue num = (ANumberValue) getOut(function.getStatement());
setOut(node, num);
}else if(getOut(function.getStatement()) instanceof AId2Expression){
AEqualsStatement eq = (AEqualsStatement) variables_symtable.get(function.getStatement().toString());
PValue v1 = (PValue) getOut(eq);
setOut(node, v1);
}
//
}else if (args_func_call.size() != 0){
//
if (hasDefault){
//
int number_of_given_args = args_func_call.get(0).toString().split(" ").length;
int number_of_func_args = func_arguments.get(0).toString().split(" ").length - number_of_defaults;
if(number_of_given_args >= number_of_func_args - number_of_defaults && number_of_given_args <= number_of_func_args){
//
AArgument arg = (AArgument) func_arguments.get(0);
LinkedList commaId = arg.getCommaIdentifier();
ACommaIdentifier argument;
TId first_arg = arg.getId();
AArglist args = (AArglist) args_func_call.get(0);
LinkedList rest_args = args.getCommaExpression();
//
if(args.getExpression() instanceof AId2Expression){
AEqualsStatement eq = (AEqualsStatement) variables_symtable.get(args.getExpression().toString());
PValue v1 = (PValue) getOut(eq);
temp.put(first_arg.toString(), v1);
}else{
AValExpression first_given_arg = (AValExpression) args.getExpression();
temp.put(first_arg.toString(), first_given_arg.getValue());
}
//
for(int i=0; i<number_of_given_args-1; i++){
argument = (ACommaIdentifier) commaId.get(i);
ACommaExpression comma = (ACommaExpression) rest_args.get(i);
if(comma.getExpression() instanceof AId2Expression){
AEqualsStatement eq = (AEqualsStatement) variables_symtable.get(comma.getExpression().toString());
PValue v2 = (PValue) getOut(eq);
temp.put(argument.getId().toString(), v2);
}else{
AValExpression current_arg = (AValExpression) comma.getExpression();
temp.put(argument.getId().toString(), current_arg.getValue());
}
}
//
if(getOut(function.getStatement()) instanceof AAdditionExpression){
//
AAdditionExpression adds = (AAdditionExpression) getOut(function.getStatement());
PValue v1;
PValue v2;
if(!temp.containsKey(adds.getL().toString())){
if(adds.getL() instanceof AValExpression){
AValExpression valExp = (AValExpression) adds.getL();
v1 = (PValue) valExp.getValue();
}else{
AEqualsStatement eq = (AEqualsStatement) variables_symtable.get(adds.getL().toString());
v1 = (PValue) getOut(eq);
}
}else{
v1 = (PValue) temp.get(adds.getL().toString());
}
if(!temp.containsKey(adds.getR().toString())){
if(adds.getR() instanceof AValExpression){
AValExpression valExp = (AValExpression) adds.getR();
v2 = (PValue) valExp.getValue();
}else{
AEqualsStatement eq = (AEqualsStatement) variables_symtable.get(adds.getR().toString());
v2 = (PValue) getOut(eq);
}
}else{
v2 = (PValue) temp.get(adds.getR().toString());
}
if (v1 instanceof AStringValue && v2 instanceof ANumberValue){
System.out.println(" Error :: cannot add string: "+ v1 +"with number:" + v2);
System.exit(0);
}else if(v1 instanceof ANumberValue && v2 instanceof AStringValue){
System.out.println(" Error :: cannot add number: "+ v1 +"with string:" + v2);
System.exit(0);
}else if (v1 instanceof AStringValue && v2 instanceof AStringValue){
setOut(node, new AStringValue());
}else if (v1 instanceof ANumberValue && v2 instanceof ANumberValue){
setOut(node, new ANumberValue());
}
//
}else if(getOut(function.getStatement()) instanceof ADivisionExpression){
//
ADivisionExpression divs = (ADivisionExpression) getOut(function.getStatement());
PValue v1;
PValue v2;
if(!temp.containsKey(divs.getL().toString())){
if(divs.getL() instanceof AValExpression){
AValExpression valExp = (AValExpression) divs.getL();
v1 = (PValue) valExp.getValue();
}else{
AEqualsStatement eq = (AEqualsStatement) variables_symtable.get(divs.getL().toString());
v1 = (PValue) getOut(eq);
}
}else{
v1 = (PValue) temp.get(divs.getL().toString());
}
if(!temp.containsKey(divs.getR().toString())){
if(divs.getR() instanceof AValExpression){
AValExpression valExp = (AValExpression) divs.getR();
v2 = (PValue) valExp.getValue();
}else{
AEqualsStatement eq = (AEqualsStatement) variables_symtable.get(divs.getR().toString());
v2 = (PValue) getOut(eq);
}
}else{
v2 = (PValue) temp.get(divs.getR().toString());
}
if (v1 instanceof AStringValue && v2 instanceof ANumberValue){
System.out.println(" Error :: cannot divide string: "+ v1 +"with number: " + v2);
System.exit(0);
}else if(v1 instanceof ANumberValue && v2 instanceof AStringValue){
System.out.println(" Error :: cannot divide number: "+ v1 + "with string: "+ v2);
System.exit(0);
}else if (v1 instanceof AStringValue && v2 instanceof AStringValue){
setOut(node, new AStringValue());
}else if (v1 instanceof ANumberValue && v2 instanceof ANumberValue){
setOut(node, new ANumberValue());
}
//
}else if(getOut(function.getStatement()) instanceof ASubtractionExpression){
//
ASubtractionExpression subs = (ASubtractionExpression) getOut(function.getStatement());
PValue v1;
PValue v2;
if(!temp.containsKey(subs.getL().toString())){
if(subs.getL() instanceof AValExpression){
AValExpression valExp = (AValExpression) subs.getL();
v1 = (PValue) valExp.getValue();
}else{
AEqualsStatement eq = (AEqualsStatement) variables_symtable.get(subs.getL().toString());
v1 = (PValue) getOut(eq);
}
}else{
v1 = (PValue) temp.get(subs.getL().toString());
}
if(!temp.containsKey(subs.getR().toString())){
if(subs.getR() instanceof AValExpression){
AValExpression valExp = (AValExpression) subs.getR();
v2 = (PValue) valExp.getValue();
}else{
AEqualsStatement eq = (AEqualsStatement) variables_symtable.get(subs.getR().toString());
v2 = (PValue) getOut(eq);
}
}else{
v2 = (PValue) temp.get(subs.getR().toString());
}
if (v1 instanceof AStringValue && v2 instanceof ANumberValue){
System.out.println(" Error :: cannot subtract string: "+ v1 +"with number: " + v2);
System.exit(0);
}else if(v1 instanceof ANumberValue && v2 instanceof AStringValue){
System.out.println(" Error :: cannot subtract number: "+ v1 +"with string: " + v2);
System.exit(0);
}else if (v1 instanceof AStringValue && v2 instanceof AStringValue){
setOut(node, new AStringValue());
}else if (v1 instanceof ANumberValue && v2 instanceof ANumberValue){
setOut(node, new ANumberValue());
}
//
}else if(getOut(function.getStatement()) instanceof APowerExpression){
//
APowerExpression power = (APowerExpression) getOut(function.getStatement());
PValue v1;
PValue v2;
if(!temp.containsKey(power.getL().toString())){
if(power.getL() instanceof AValExpression){
AValExpression valExp = (AValExpression) power.getL();
v1 = (PValue) valExp.getValue();
}else{
AEqualsStatement eq = (AEqualsStatement) variables_symtable.get(power.getL().toString());
v1 = (PValue) getOut(eq);
}
}else{
v1 = (PValue) temp.get(power.getL().toString());
}
if(!temp.containsKey(power.getR().toString())){
if(power.getR() instanceof AValExpression){
AValExpression valExp = (AValExpression) power.getR();
v2 = (PValue) valExp.getValue();
}else{
AEqualsStatement eq = (AEqualsStatement) variables_symtable.get(power.getR().toString());
v2 = (PValue) getOut(eq);
}
}else{
v2 = (PValue) temp.get(power.getR().toString());
}
if (v1 instanceof AStringValue && v2 instanceof ANumberValue){
System.out.println(" Error :: cannot use power with: string: "+ v1 + "and number: " + v2);
System.exit(0);
}else if(v1 instanceof ANumberValue && v2 instanceof AStringValue){
System.out.println(" Error ::cannot use power with: number: " + v1 +" and string: " + v2);
System.exit(0);
}else if (v1 instanceof AStringValue && v2 instanceof AStringValue){
setOut(node, new AStringValue());
}else if (v1 instanceof ANumberValue && v2 instanceof ANumberValue){
setOut(node, new ANumberValue());
}
//
}else if(getOut(function.getStatement()) instanceof AStringValue){
AStringValue str = (AStringValue) getOut(function.getStatement());
setOut(node, str);
}else if(getOut(function.getStatement()) instanceof ANumberValue){
ANumberValue num = (ANumberValue) getOut(function.getStatement());
setOut(node, num);
}else if(getOut(function.getStatement()) instanceof AId2Expression){
AEqualsStatement eq = (AEqualsStatement) variables_symtable.get(function.getStatement().toString());
PValue v1 = (PValue) getOut(eq);
setOut(node, v1);
}
}else{
System.out.println("Error : in line " + line + " wrong number of arguments for function " + func_name);
System.exit(0);
}
}else{
int number_of_given_args = args_func_call.get(0).toString().split(" ").length;
int number_of_func_args = func_arguments.get(0).toString().split(" ").length;
if(number_of_given_args == number_of_func_args){
AArgument arg = (AArgument) func_arguments.get(0);
LinkedList commaId = arg.getCommaIdentifier();
ACommaIdentifier argument;
TId first_arg = arg.getId();
AArglist args = (AArglist) args_func_call.get(0);
LinkedList rest_args = args.getCommaExpression();
//
if(args.getExpression() instanceof AId2Expression){
AEqualsStatement eq = (AEqualsStatement) variables_symtable.get(args.getExpression().toString());
PValue v1 = (PValue) getOut(eq);
temp.put(first_arg.toString(), v1);
}else{
AValExpression first_given_arg = (AValExpression) args.getExpression();
temp.put(first_arg.toString(), first_given_arg.getValue());
}
//
for(int i=0; i<number_of_given_args-1; i++){
argument = (ACommaIdentifier) commaId.get(i);
ACommaExpression comma = (ACommaExpression) rest_args.get(i);
if(comma.getExpression() instanceof AId2Expression){
AEqualsStatement eq = (AEqualsStatement) variables_symtable.get(comma.getExpression().toString());
PValue v2 = (PValue) getOut(eq);
temp.put(argument.getId().toString(), v2);
}else{
AValExpression current_arg = (AValExpression) comma.getExpression();
temp.put(argument.getId().toString(), current_arg.getValue());
}
}
if(getOut(function.getStatement()) instanceof AAdditionExpression){
//
AAdditionExpression adds = (AAdditionExpression) getOut(function.getStatement());
PValue v1;
PValue v2;
if(!temp.containsKey(adds.getL().toString())){
if(adds.getL() instanceof AValExpression){
AValExpression valExp = (AValExpression) adds.getL();
v1 = (PValue) valExp.getValue();
}else{
AEqualsStatement eq = (AEqualsStatement) variables_symtable.get(adds.getL().toString());
v1 = (PValue) getOut(eq);
}
}else{
v1 = (PValue) temp.get(adds.getL().toString());
}
if(!temp.containsKey(adds.getR().toString())){
if(adds.getR() instanceof AValExpression){
AValExpression valExp = (AValExpression) adds.getR();
v2 = (PValue) valExp.getValue();
}else{
AEqualsStatement eq = (AEqualsStatement) variables_symtable.get(adds.getR().toString());
v2 = (PValue) getOut(eq);
}
}else{
v2 = (PValue) temp.get(adds.getR().toString());
}
if (v1 instanceof AStringValue && v2 instanceof ANumberValue){
System.out.println(" Error :: cannot add string: "+ v1 +"with number:" + v2);
System.exit(0);
}else if(v1 instanceof ANumberValue && v2 instanceof AStringValue){
System.out.println(" Error :: cannot add number: "+ v1 +"with string:" + v2);
System.exit(0);
}else if (v1 instanceof AStringValue && v2 instanceof AStringValue){
setOut(node, new AStringValue());
}else if (v1 instanceof ANumberValue && v2 instanceof ANumberValue){
setOut(node, new ANumberValue());
}
//
}else if(getOut(function.getStatement()) instanceof ADivisionExpression){
//
ADivisionExpression divs = (ADivisionExpression) getOut(function.getStatement());
PValue v1;
PValue v2;
if(!temp.containsKey(divs.getL().toString())){
if(divs.getL() instanceof AValExpression){
AValExpression valExp = (AValExpression) divs.getL();
v1 = (PValue) valExp.getValue();
}else{
AEqualsStatement eq = (AEqualsStatement) variables_symtable.get(divs.getL().toString());
v1 = (PValue) getOut(eq);
}
}else{
v1 = (PValue) temp.get(divs.getL().toString());
}
if(!temp.containsKey(divs.getR().toString())){
if(divs.getR() instanceof AValExpression){
AValExpression valExp = (AValExpression) divs.getR();
v2 = (PValue) valExp.getValue();
}else{
AEqualsStatement eq = (AEqualsStatement) variables_symtable.get(divs.getR().toString());
v2 = (PValue) getOut(eq);
}
}else{
v2 = (PValue) temp.get(divs.getR().toString());
}
if (v1 instanceof AStringValue && v2 instanceof ANumberValue){
System.out.println(" Error :: cannot divide string: "+ v1 +"with number: " + v2);
System.exit(0);
}else if(v1 instanceof ANumberValue && v2 instanceof AStringValue){
System.out.println(" Error :: cannot divide number: "+ v1 + "with string: "+ v2);
System.exit(0);
}else if (v1 instanceof AStringValue && v2 instanceof AStringValue){
setOut(node, new AStringValue());
}else if (v1 instanceof ANumberValue && v2 instanceof ANumberValue){
setOut(node, new ANumberValue());
}
//
}else if(getOut(function.getStatement()) instanceof ASubtractionExpression){
//
ASubtractionExpression subs = (ASubtractionExpression) getOut(function.getStatement());
PValue v1;
PValue v2;
if(!temp.containsKey(subs.getL().toString())){
if(subs.getL() instanceof AValExpression){
AValExpression valExp = (AValExpression) subs.getL();
v1 = (PValue) valExp.getValue();
}else{
AEqualsStatement eq = (AEqualsStatement) variables_symtable.get(subs.getL().toString());
v1 = (PValue) getOut(eq);
}
}else{
v1 = (PValue) temp.get(subs.getL().toString());
}
if(!temp.containsKey(subs.getR().toString())){
if(subs.getR() instanceof AValExpression){
AValExpression valExp = (AValExpression) subs.getR();
v2 = (PValue) valExp.getValue();
}else{
AEqualsStatement eq = (AEqualsStatement) variables_symtable.get(subs.getR().toString());
v2 = (PValue) getOut(eq);
}
}else{
v2 = (PValue) temp.get(subs.getR().toString());
}
if (v1 instanceof AStringValue && v2 instanceof ANumberValue){
System.out.println(" Error :: cannot divide number: "+ v1 + "with string: "+ v2);
System.exit(0);
}else if(v1 instanceof ANumberValue && v2 instanceof AStringValue){
System.out.println(" Error :: cannot subtract number: "+ v1 +"with string: " + v2);
System.exit(0);
}else if (v1 instanceof AStringValue && v2 instanceof AStringValue){
setOut(node, new AStringValue());
}else if (v1 instanceof ANumberValue && v2 instanceof ANumberValue){
setOut(node, new ANumberValue());
}
//
}else if(getOut(function.getStatement()) instanceof APowerExpression){
//
APowerExpression power = (APowerExpression) getOut(function.getStatement());
PValue v1;
PValue v2;
if(!temp.containsKey(power.getL().toString())){
if(power.getL() instanceof AValExpression){
AValExpression valExp = (AValExpression) power.getL();
v1 = (PValue) valExp.getValue();
}else{
AEqualsStatement eq = (AEqualsStatement) variables_symtable.get(power.getL().toString());
v1 = (PValue) getOut(eq);
}
}else{
v1 = (PValue) temp.get(power.getL().toString());
}
if(!temp.containsKey(power.getR().toString())){
if(power.getR() instanceof AValExpression){
AValExpression valExp = (AValExpression) power.getR();
v2 = (PValue) valExp.getValue();
}else{
AEqualsStatement eq = (AEqualsStatement) variables_symtable.get(power.getR().toString());
v2 = (PValue) getOut(eq);
}
}else{
v2 = (PValue) temp.get(power.getR().toString());
}
if (v1 instanceof AStringValue && v2 instanceof ANumberValue){
System.out.println(" Error :: cannot use power with: string: "+ v1 + "and number: " + v2);
System.exit(0);
}else if(v1 instanceof ANumberValue && v2 instanceof AStringValue){
System.out.println(" Error ::cannot use power with: number: " + v1 +" and string: " + v2);
System.exit(0);
}else if (v1 instanceof AStringValue && v2 instanceof AStringValue){
setOut(node, new AStringValue());
}else if (v1 instanceof ANumberValue && v2 instanceof ANumberValue){
setOut(node, new ANumberValue());
}
//
}else if(getOut(function.getStatement()) instanceof AStringValue){
AStringValue str = (AStringValue) getOut(function.getStatement());
setOut(node, str);
}else if(getOut(function.getStatement()) instanceof ANumberValue){
ANumberValue num = (ANumberValue) getOut(function.getStatement());
setOut(node, num);
}else if(getOut(function.getStatement()) instanceof AId2Expression){
AEqualsStatement eq = (AEqualsStatement) variables_symtable.get(function.getStatement().toString());
PValue v1 = (PValue) getOut(eq);
setOut(node, v1);
}
}else{
System.out.println("Error : in line " + line + " wrong number of arguments for function " + func_name +". Takes " + number_of_func_args + ", were given "+ number_of_given_args);
System.exit(0);
}
}
}
}
}else{
System.out.println("Error : in line " + line + " function " + func_name + "is not defined. ");
System.exit(0);
}
}
//tsekare oles tis periptwseis an einai addition, subtract, power klp h apla id kai kane setOut afto
//sthn outAFunction kane getOut to return statement kai me bash to arglist prospa8ise na breis an ola einai ok h oxi.
public void outAReturnStatement(AReturnStatement node){
if(node.getExpression() instanceof AValExpression){
AValExpression val = (AValExpression) node.getExpression();
setOut(node, val.getValue());
}else{
setOut(node, node.getExpression());
}
}
public void outAEqualsStatement(AEqualsStatement node) {
String varName = node.getId().toString();
PValue type = (PValue) getOut(node.getExpression());
setOut(node, type);
}
public void outANumberValue(ANumberValue node){
setOut(node, node);
}
public void outAStringValue(AStringValue node){
setOut(node, node);
}
public void outAValExpression(AValExpression node){
PValue type = (PValue) getOut(node.getValue());
setOut(node, type);
}
public void outAArgument(AArgument node){
ACommaIdentifier argument1;
LinkedList eqval1 = node.getEqualValue();
LinkedList commaId1 = node.getCommaIdentifier();
if(eqval1.size() != 0){
AEqualValue val = (AEqualValue) eqval1.get(0);
temp.put(node.getId().toString(), val.getValue());
}
for(int i=0; i<commaId1.size(); i++){
argument1 = (ACommaIdentifier) commaId1.get(i);
eqval1 = argument1.getEqualValue();
if (eqval1.size() != 0){
AEqualValue val = (AEqualValue) eqval1.get(0);
temp.put(argument1.getId().toString(), val.getValue());
}
}
}
public void outAAdditionExpression(AAdditionExpression node){
PValue v1 = null;
PValue v2 = null;
if (node.getL() instanceof AFuncCallExpression || node.getR() instanceof AFuncCallExpression){
if(node.getL() instanceof AFuncCallExpression){
AFuncCallExpression funcL = (AFuncCallExpression) node.getL();
v1 = (PValue) getOut(funcL.getFunctionCall());
}else{
v1 = (PValue) getOut(node.getL());
}
if(node.getR() instanceof AFuncCallExpression){
AFuncCallExpression funcR = (AFuncCallExpression) node.getR();
v2 = (PValue) getOut(funcR.getFunctionCall());
}else{
v2 = (PValue) getOut(node.getR());
}
if (v1 instanceof AStringValue && v2 instanceof ANumberValue){
System.out.println(" Error :: cannot add string: "+ v1 +"with number:" + v2);
System.exit(0);
}else if(v1 instanceof ANumberValue && v2 instanceof AStringValue){
System.out.println(" Error :: cannot add number: "+ v1 +"with string:" + v2);
System.exit(0);
}else if (v1 instanceof AStringValue && v2 instanceof AStringValue){
setOut(node, new AStringValue());
}else if (v1 instanceof ANumberValue && v2 instanceof ANumberValue){
setOut(node, new ANumberValue());
}
}
}
public void outADivisionExpression(ADivisionExpression node){
PValue v1 = null;
PValue v2 = null;
if (node.getL() instanceof AFuncCallExpression || node.getR() instanceof AFuncCallExpression){
if(node.getL() instanceof AFuncCallExpression){
AFuncCallExpression funcL = (AFuncCallExpression) node.getL();
v1 = (PValue) getOut(funcL.getFunctionCall());
}else{
v1 = (PValue) getOut(node.getL());
}
if(node.getR() instanceof AFuncCallExpression){
AFuncCallExpression funcR = (AFuncCallExpression) node.getR();
v2 = (PValue) getOut(funcR.getFunctionCall());
}else{
v2 = (PValue) getOut(node.getR());
}
if (v1 instanceof AStringValue && v2 instanceof ANumberValue){
System.out.println(" Error :: cannot divide string: "+ v1 +"with number: " + v2);
System.exit(0);
}else if(v1 instanceof ANumberValue && v2 instanceof AStringValue){
System.out.println(" Error :: cannot divide number: "+ v1 + "with string: "+ v2);
System.exit(0);
}else if (v1 instanceof AStringValue && v2 instanceof AStringValue){
setOut(node, new AStringValue());
}else if (v1 instanceof ANumberValue && v2 instanceof ANumberValue){
setOut(node, new ANumberValue());
}
}
}
public void outASubtractionExpression(ASubtractionExpression node){
PValue v1 = null;
PValue v2 = null;
if (node.getL() instanceof AFuncCallExpression || node.getR() instanceof AFuncCallExpression){
if(node.getL() instanceof AFuncCallExpression){
AFuncCallExpression funcL = (AFuncCallExpression) node.getL();
v1 = (PValue) getOut(funcL.getFunctionCall());
}else{
v1 = (PValue) getOut(node.getL());
}
if(node.getR() instanceof AFuncCallExpression){
AFuncCallExpression funcR = (AFuncCallExpression) node.getR();
v2 = (PValue) getOut(funcR.getFunctionCall());
}else{
v2 = (PValue) getOut(node.getR());
}
if (v1 instanceof AStringValue && v2 instanceof ANumberValue){
System.out.println(" Error :: cannot subtract string: "+ v1 +"with number: " + v2);
System.exit(0);
}else if(v1 instanceof ANumberValue && v2 instanceof AStringValue){
System.out.println(" Error :: cannot subtract number: "+ v1 +"with string: " + v2);
System.exit(0);
}else if (v1 instanceof AStringValue && v2 instanceof AStringValue){
setOut(node, new AStringValue());
}else if (v1 instanceof ANumberValue && v2 instanceof ANumberValue){
setOut(node, new ANumberValue());
}
}
}
public void outAPowerExpression(APowerExpression node){
PValue v1 = null;
PValue v2 = null;
if (node.getL() instanceof AFuncCallExpression || node.getR() instanceof AFuncCallExpression){
if(node.getL() instanceof AFuncCallExpression){
AFuncCallExpression funcL = (AFuncCallExpression) node.getL();
v1 = (PValue) getOut(funcL.getFunctionCall());
}else{
v1 = (PValue) getOut(node.getL());
}
if(node.getR() instanceof AFuncCallExpression){
AFuncCallExpression funcR = (AFuncCallExpression) node.getR();
v2 = (PValue) getOut(funcR.getFunctionCall());
}else{
v2 = (PValue) getOut(node.getR());
}
if (v1 instanceof AStringValue && v2 instanceof ANumberValue){
System.out.println(" Error :: cannot use power with: string: "+ v1 + "and number: " + v2);
System.exit(0);
}else if(v1 instanceof ANumberValue && v2 instanceof AStringValue){
System.out.println(" Error ::cannot use power with: number: " + v1 +" and string: " + v2);
System.exit(0);
}else if (v1 instanceof AStringValue && v2 instanceof AStringValue){
setOut(node, new AStringValue());
}else if (v1 instanceof ANumberValue && v2 instanceof ANumberValue){
setOut(node, new ANumberValue());
}
}
}
}