homework5.java

homework5.java

import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableSet;

import java.util.HashSet;
import java.util.Set;

interface FJExpression {

}

interface ExtFJStatement {
     public  FJExpression translate();
}

interface ExtFJExpression {

     public FJExpression translate();

}

class FJClass {
    final String name;
    final String superclassName;
    final ImmutableList<String> fieldNames;
    final ImmutableSet<FJMethod> methods;

    FJClass(String name, String superclassName, ImmutableList<String> fieldNames, ImmutableSet<FJMethod> methods) {
        this.name = name;
        this.superclassName = superclassName;
        this.fieldNames = fieldNames;
        this.methods = methods;
    }
}

class FJMethod {
    final String name;
    final String returnType;
    final ImmutableList<String> parameterNames;
    final FJExpression body;

    FJMethod(String name, String returnType, ImmutableList<String> parameterNames, FJExpression body) {
        this.name = name;
        this.returnType = returnType;
        this.parameterNames = parameterNames;
        this.body = body;
    }
}

class FJVarAccess implements FJExpression {
    final String name;

    FJVarAccess(String name) {
        this.name = name;
    }
}

class FJFieldAccess implements FJExpression {
    final FJExpression receiver;
    final String fieldName;

    FJFieldAccess(FJExpression receiver, String fieldName) {
        this.receiver = receiver;
        this.fieldName = fieldName;
    }
}

class FJInvocation implements FJExpression {
    final FJExpression receiver;
    final String methodName;
    final ImmutableList<FJExpression> parameters;

    FJInvocation(FJExpression receiver, String methodName, ImmutableList<FJExpression> parameters) {
        this.receiver = receiver;
        this.methodName = methodName;
        this.parameters = parameters;
    }
}

class FJInstantiation implements FJExpression {
    final String className;
    final ImmutableList<FJExpression> parameters;

    FJInstantiation(String className, ImmutableList<FJExpression> parameters) {
        this.className = className;
        this.parameters = parameters;
    }
}

class ExtFJClass {
    final String name;
    final String superclassName;
    final ImmutableList<String> fieldNames;
    final ImmutableSet<ExtFJMethod> methods;

    ExtFJClass(String name, String superclassName, ImmutableList<String> fieldNames, ImmutableSet<ExtFJMethod> methods) {
        this.name = name;
        this.superclassName = superclassName;
        this.fieldNames = fieldNames;
        this.methods = methods;
    }

    public FJClass translate()
    {
        ImmutableSet.Builder<FJMethod> builder = new ImmutableSet.Builder<FJMethod>();

        for(ExtFJMethod extFJMethod : methods)
        {
            builder.add(extFJMethod.translate());
        }


        ImmutableSet<FJMethod> newmethods = builder.build();
        return new FJClass(this.name, this.superclassName, this.fieldNames, newmethods);
    }

}

class ExtFJMethod {
    final String name;
    final String returnType;
    final ImmutableList<String> parameterNames;
    final ImmutableList<ExtFJStatement> statements;
    final ExtFJExpression returnedExpression;

    ExtFJMethod(String name, String returnType, ImmutableList<String> parameterNames, ImmutableList<ExtFJStatement> statements, ExtFJExpression returnedExpression) {
        this.name = name;
        this.returnType = returnType;
        this.parameterNames = parameterNames;
        this.statements = statements;
        this.returnedExpression = returnedExpression;
    }

    public FJMethod translate()
    {
        ImmutableList.Builder<FJExpression> builder = new ImmutableList.Builder<FJExpression>();
        for (ExtFJStatement extFJStatement : statements)
        {
             builder.add(extFJStatement.translate());
        }
        FJExpression expression = new FJInstantiation(returnType, builder.build());
        return new FJMethod(name, returnType, parameterNames, returnedExpression.translate());
    }
}

class ExtFJAssignment implements ExtFJStatement {
    final String varName;
    final ExtFJExpression expr;

    ExtFJAssignment(String varName, ExtFJExpression expr) {
        this.varName = varName;
        this.expr = expr;
    }

    @Override
    public FJExpression translate() {
        return null;  //To change body of implemented methods use File | Settings | File Templates.
    }
}

class ExtFJIfStatement implements ExtFJStatement {
    final ExtFJExpression condition;
    final ExtFJStatement thenCase;
    final ExtFJStatement elseCase;

    ExtFJIfStatement(ExtFJExpression condition, ExtFJStatement thenCase, ExtFJStatement elseCase) {
        this.condition = condition;
        this.thenCase = thenCase;
        this.elseCase = elseCase;
    }

    @Override
    public FJExpression translate() {
        return null;  //To change body of implemented methods use File | Settings | File Templates.
    }
}

class ExtFJWhileLoop implements ExtFJStatement {
    final ExtFJExpression condition;
    final ExtFJStatement body;

    ExtFJWhileLoop(ExtFJExpression condition, ExtFJStatement body) {
        this.condition = condition;
        this.body = body;
    }

    @Override
    public FJExpression translate() {
        return null;  //To change body of implemented methods use File | Settings | File Templates.
    }
}

class ExtFJBlock implements ExtFJStatement {
    final ImmutableList<ExtFJStatement> statements;

    ExtFJBlock(ImmutableList<ExtFJStatement> statements) {
        this.statements = statements;
    }

    @Override
    public FJExpression translate() {
        return null;  //To change body of implemented methods use File | Settings | File Templates.
    }
}

class ExtFJVarAccess implements ExtFJExpression {
    final String name;

    ExtFJVarAccess(String name) {
        this.name = name;
    }

    @Override
    public FJExpression translate() {
        return null;  //To change body of implemented methods use File | Settings | File Templates.
    }
}

class ExtFJFieldAccess implements ExtFJExpression {
    final ExtFJExpression receiver;
    final String fieldName;

    ExtFJFieldAccess(ExtFJExpression receiver, String fieldName) {
        this.receiver = receiver;
        this.fieldName = fieldName;
    }

    @Override
    public FJExpression translate() {
        return null;  //To change body of implemented methods use File | Settings | File Templates.
    }
}

class ExtFJInvocation implements ExtFJExpression {
    final ExtFJExpression receiver;
    final String methodName;
    final ImmutableList<ExtFJExpression> parameters;

    ExtFJInvocation(ExtFJExpression receiver, String methodName, ImmutableList<ExtFJExpression> parameters) {
        this.receiver = receiver;
        this.methodName = methodName;
        this.parameters = parameters;
    }

    @Override
    public FJExpression translate() {
        return null;  //To change body of implemented methods use File | Settings | File Templates.
    }
}

class ExtFJInstantiation implements ExtFJExpression {
    final String className;
    final ImmutableList<ExtFJExpression> parameters;

    ExtFJInstantiation(String className, ImmutableList<ExtFJExpression> parameters) {
        this.className = className;
        this.parameters = parameters;
    }

    @Override
    public FJExpression translate() {
        return null;  //To change body of implemented methods use File | Settings | File Templates.
    }
}

class ExtFJNumber implements ExtFJExpression {
    final int value;

    ExtFJNumber(int value) {
        this.value = value;
    }

    @Override
    public FJExpression translate() {
        ImmutableList<FJExpression> params = new ImmutableList.Builder<FJExpression>().build();

        ImmutableSet.Builder<FJMethod> methodsNatural = new ImmutableSet.Builder<FJMethod>();
        ImmutableSet.Builder<FJMethod>   methodsZero = new ImmutableSet.Builder<FJMethod>();
        ImmutableSet.Builder<FJMethod> methodsSucc = new ImmutableSet.Builder<FJMethod>();

        ImmutableList.Builder<String> paramsOfMethods = new ImmutableList.Builder<String>();
        paramsOfMethods.add("second");
        methodsNatural.add(new FJMethod("plus", "Natural", paramsOfMethods.build(), new FJInstantiation("Natural", new ImmutableList.Builder<FJExpression>().build())));
        methodsNatural.add(new FJMethod("minus", "Natural", paramsOfMethods.build(), new FJInstantiation("Natural", new ImmutableList.Builder<FJExpression>().build())));
        methodsNatural.add(new FJMethod("inverseMinus", "Natural", paramsOfMethods.build(), new FJInstantiation("Natural", new ImmutableList.Builder<FJExpression>().build())));
        methodsNatural.add(new FJMethod("isZero", "Boolean", paramsOfMethods.build(), new FJInstantiation("Boolean", new ImmutableList.Builder<FJExpression>().build())));
        methodsNatural.add(new FJMethod("numericEquals", "Boolean", paramsOfMethods.build(), new FJInstantiation("Boolean", new ImmutableList.Builder<FJExpression>().build())));

        //ZERO
        paramsOfMethods = new ImmutableList.Builder<String>();
        paramsOfMethods.add("second");

        ImmutableList<FJExpression> expressions;
        ImmutableList.Builder<FJExpression> expressionBuilder = new ImmutableList.Builder<FJExpression>();

        expressionBuilder.add(new FJVarAccess("second"));

        methodsZero.add(new FJMethod("plus", "Natural", paramsOfMethods.build(), new FJVarAccess("second")));
        methodsZero.add(new FJMethod("minus", "Natural", paramsOfMethods.build(), new FJVarAccess("this")));
        methodsZero.add(new FJMethod("inverseMinus", "Natural", paramsOfMethods.build(), new FJVarAccess("second")));
        methodsNatural.add(new FJMethod("isZero", "Boolean", paramsOfMethods.build(), new FJInstantiation("True", new ImmutableList.Builder<FJExpression>().build())));

        paramsOfMethods = new ImmutableList.Builder<String>();
        paramsOfMethods.add("second");

        methodsNatural.add(new FJMethod("numericEquals", "Boolean", paramsOfMethods.build(), new FJInvocation(new FJVarAccess("second"), "isZero", new ImmutableList.Builder<FJExpression>().build())));


        //SUCC
        paramsOfMethods = new ImmutableList.Builder<String>();
        paramsOfMethods.add("second");

//        ImmutableList<FJExpression> expressions;
        expressionBuilder = new ImmutableList.Builder<FJExpression>();

        expressionBuilder.add(new FJVarAccess("second"));

        FJInstantiation succ = new FJInstantiation("Succ", new ImmutableList.Builder<FJExpression>().add(new FJVarAccess("second")).build());
        FJInvocation fjInvocation = new FJInvocation(new FJFieldAccess(new FJVarAccess("this"), "pred"), "plus", new ImmutableList.Builder<FJExpression>().add(succ).build());

        methodsSucc.add(new FJMethod("plus", "Natural", paramsOfMethods.build(), fjInvocation));

        FJInvocation fjInvocationInverseMinus = new FJInvocation(new FJVarAccess("second"), "inverseMinus", new ImmutableList.Builder<FJExpression>().add(new FJVarAccess("this")).build());

        methodsSucc.add(new FJMethod("minus", "Natural", paramsOfMethods.build(), fjInvocationInverseMinus));

        FJInvocation fjInvocationMinus = new FJInvocation(new FJFieldAccess(new FJVarAccess("second"), "pred"),"minus", new ImmutableList.Builder<FJExpression>().add(new FJFieldAccess(new FJVarAccess("this"), "pred")).build());

        methodsSucc.add(new FJMethod("inverseMinus", "Natural", paramsOfMethods.build(), fjInvocationMinus));

        methodsNatural.add(new FJMethod("isZero", "Boolean", paramsOfMethods.build(), new FJInstantiation("False", new ImmutableList.Builder<FJExpression>().build())));

        paramsOfMethods = new ImmutableList.Builder<String>();
        paramsOfMethods.add("second");

        FJInvocation inner = new FJInvocation(new FJVarAccess("this"), "minus", new ImmutableList.Builder<FJExpression>().add(new FJVarAccess("second")).build());
        methodsNatural.add(new FJMethod("numericEquals", "Boolean", paramsOfMethods.build(), new FJInvocation(inner, "isZero", new ImmutableList.Builder<FJExpression>().build())));



        homework5.addToSet(new FJClass("Natural","Object", new ImmutableList.Builder<String>().build(),   methodsZero.build()));
        homework5.addToSet(new FJClass("Zero","Natural", new ImmutableList.Builder<String>().build(), methodsSucc.build()));
        homework5.addToSet(new FJClass("Succ","Natural", new ImmutableList.Builder<String>().add("pred").build(), methodsNatural.build()));

        FJExpression current = new FJInstantiation("Zero", params);

        for(int i = 0 ; i < value; i++)
        {
            params = new ImmutableList.Builder<FJExpression>().add(current).build();
            current = new FJInstantiation("Succ", params);
        }

        return current;
    }
}

class ExtFJAddition implements ExtFJExpression {
    final ExtFJExpression left, right;

    ExtFJAddition(ExtFJExpression left, ExtFJExpression right) {
        this.left = left;
        this.right = right;
    }

    @Override
    public FJExpression translate() {
        FJExpression left = this.left.translate();
        FJExpression right = this.right.translate();
        return new FJInvocation(left, "plus", new ImmutableList.Builder<FJExpression>().add(right).build());

    }
}

class ExtFJSubtraction implements ExtFJExpression {
    final ExtFJExpression left, right;

    ExtFJSubtraction(ExtFJExpression left, ExtFJExpression right) {
        this.left = left;
        this.right = right;
    }

    @Override
    public FJExpression translate() {
        FJExpression left = this.left.translate();
        FJExpression right = this.right.translate();
        return new FJInvocation(left, "minus", new ImmutableList.Builder<FJExpression>().add(right).build());

    }
}

class ExtFJBoolean implements ExtFJExpression {
    final boolean value;

    ExtFJBoolean(boolean value) {
        this.value = value;
    }

    @Override
    public FJExpression translate() {
        ImmutableList<FJExpression> params = new ImmutableList.Builder<FJExpression>().build();

        ImmutableSet.Builder<FJMethod> methodsBoolean = new ImmutableSet.Builder<FJMethod>();
        ImmutableSet.Builder<FJMethod> methodsTrue = new ImmutableSet.Builder<FJMethod>();
        ImmutableSet.Builder<FJMethod> methodsFalse = new ImmutableSet.Builder<FJMethod>();

        ImmutableList.Builder<String> paramsOfMethods = new ImmutableList.Builder<String>();
        paramsOfMethods.add("second");
        methodsBoolean.add(new FJMethod("and", "Boolean", paramsOfMethods.build(), new FJInstantiation("Boolean", new ImmutableList.Builder<FJExpression>().build())));
        methodsBoolean.add(new FJMethod("or", "Boolean", paramsOfMethods.build(), new FJInstantiation("Boolean", new ImmutableList.Builder<FJExpression>().build())));


        paramsOfMethods = new ImmutableList.Builder<String>();
        methodsBoolean.add(new FJMethod("not", "Boolean", paramsOfMethods.build(), new FJInstantiation("Boolean", new ImmutableList.Builder<FJExpression>().build())));


        //TRUE
        paramsOfMethods = new ImmutableList.Builder<String>();
        paramsOfMethods.add("second");

        ImmutableList<FJExpression> expressions;
        ImmutableList.Builder<FJExpression> expressionBuilder = new ImmutableList.Builder<FJExpression>();

        expressionBuilder.add(new FJVarAccess("second"));

        methodsTrue.add(new FJMethod("and", "Boolean", paramsOfMethods.build(), new FJVarAccess("second")));
        methodsTrue.add(new FJMethod("or", "Boolean", paramsOfMethods.build(), new FJVarAccess("this")));


        paramsOfMethods = new ImmutableList.Builder<String>();
        methodsTrue.add(new FJMethod("not", "Boolean", paramsOfMethods.build(), new FJInstantiation("False", new ImmutableList.Builder<FJExpression>().build())));


        //FALSE
        paramsOfMethods = new ImmutableList.Builder<String>();
        paramsOfMethods.add("second");

//        ImmutableList<FJExpression> expressions;
        expressionBuilder = new ImmutableList.Builder<FJExpression>();

        expressionBuilder.add(new FJVarAccess("second"));

        methodsFalse.add(new FJMethod("and", "Boolean", paramsOfMethods.build(), new FJVarAccess("this")));
        methodsFalse.add(new FJMethod("or", "Boolean", paramsOfMethods.build(), new FJVarAccess("second")));


        paramsOfMethods = new ImmutableList.Builder<String>();
        methodsFalse.add(new FJMethod("not", "Boolean", paramsOfMethods.build(), new FJInstantiation("True", new ImmutableList.Builder<FJExpression>().build())));



        homework5.addToSet(new FJClass("True","Boolean", new ImmutableList.Builder<String>().build(), methodsTrue.build()));
        homework5.addToSet(new FJClass("False","Boolean", new ImmutableList.Builder<String>().build(), methodsFalse.build()));
        homework5.addToSet(new FJClass("Boolean","Object", new ImmutableList.Builder<String>().build(), methodsBoolean.build()));


        return this.value ? new FJInstantiation("True", params) : new FJInstantiation("False", params);
    }
}

class ExtFJNegation implements ExtFJExpression {
    final ExtFJExpression expr;

    ExtFJNegation(ExtFJExpression expr) {
        this.expr = expr;
    }

    @Override
    public FJExpression translate() {
        FJExpression param = this.expr.translate();
        return new FJInvocation(param, "not", new ImmutableList.Builder<FJExpression>().build());
    }
}

class ExtFJConjunction implements ExtFJExpression {
    final ExtFJExpression left, right;

    ExtFJConjunction(ExtFJExpression left, ExtFJExpression right) {
        this.left = left;
        this.right = right;
    }

    @Override
    public FJExpression translate() {
        FJExpression left = this.left.translate();
        FJExpression right = this.right.translate();
        return new FJInvocation(left, "and", new ImmutableList.Builder<FJExpression>().add(right).build());
    }
}

class ExtFJDisjunction implements ExtFJExpression {
    final ExtFJExpression left, right;

    ExtFJDisjunction(ExtFJExpression left, ExtFJExpression right) {
        this.left = left;
        this.right = right;
    }

    @Override
    public FJExpression translate() {
        FJExpression left = this.left.translate();
        FJExpression right = this.right.translate();
        return new FJInvocation(left, "or", new ImmutableList.Builder<FJExpression>().add(right).build());
    }
}

class ExtFJTernary implements ExtFJExpression {
    final ExtFJExpression condition;
    final ExtFJExpression thenCase, elseCase;

    ExtFJTernary(ExtFJExpression condition, ExtFJExpression thenCase, ExtFJExpression elseCase) {
        this.condition = condition;
        this.thenCase = thenCase;
        this.elseCase = elseCase;
    }

    @Override
    public FJExpression translate() {
        return null;  //To change body of implemented methods use File | Settings | File Templates.
    }
}

class ExtFJNumericEquals implements ExtFJExpression {
    final ExtFJExpression first, second;

    ExtFJNumericEquals(ExtFJExpression first, ExtFJExpression second) {
        this.first = first;
        this.second = second;
    }

    @Override
    public FJExpression translate() {
        FJExpression left = this.first.translate();
        FJExpression right = this.second.translate();
        return new FJInvocation(left, "numericEquals", new ImmutableList.Builder<FJExpression>().add(right).build());
    }
}

class homework5 {

    static  Set<FJClass> returnedSet;

    static Set<FJClass> translate(Set<ExtFJClass> classes) {

        returnedSet = new HashSet<FJClass>();

        for (ExtFJClass extclass : classes)
        {
               returnedSet.add(extclass.translate());
        }

        return returnedSet;
    }

    static void addToSet(FJClass addedClass)
    {
//       if(returnedSet == null)
//       {
//           returnedSet = new HashSet<FJClass>();
//       }
       returnedSet.add(addedClass);

    }


    public static void main(String[] args) {
    }
}