package Compiler;

abstract class Expression {
    static class Binary extends Expression{

        final Expression left;
        final Expression right;
        final Token op;

        Binary(Expression left, Token op, Expression right){
            this.left=left;
            this.op=op;
            this.right = right;
        }

        @Override
        public String getExpressionType() {
            return "binary";
        }

    }

    static class Literal extends Expression{
        final Token value;
        final String type;

        Literal(Token value,String type){
            this.value=value;
            this.type=type;
        }
        

        @Override
        public String getExpressionType() {
            return "literal";
        }
        
    }

    static class BracketedExpression extends Expression{
        final Expression expr;

        BracketedExpression(Expression expr){
            this.expr=expr;
        }

        @Override
        public String getExpressionType() {
            return "bracket";
        }
        
        
    }

    static class AssignmentExpression extends Expression{
        final Token name;
        final Expression value;

        AssignmentExpression(Token name,Expression value){
            this.name=name;
            this.value=value;
        }


        @Override
        public String getExpressionType() {
            return "assign";
        }
        
    }

    static class Variable extends Expression{
        
        Variable(Token name){
            this.name=name;

        }
        @Override
        public String getExpressionType() {
            return "var";
        }
        final Token name;
        
    }
    public abstract String getExpressionType();
}