public Value.Value resolve(Scope scope, Expression expression)
{
this.scope = scope;
expression.accept(this);
var result = evaluation.Peek();
return result;
}
public DivisionExpression(Token token, Expression leftHandStatement, Expression rightHandStatement) : base(token, leftHandStatement, rightHandStatement)
{
}
public Condition(Token token, Expression leftHandStatement, Expression rightHandStatement) : base(token, leftHandStatement, rightHandStatement)
{
}
public BinaryExpression(Token token, Expression leftHandStatement, Expression rightHandStatement) : base(token)
{
this.leftHandStatement = leftHandStatement;
this.rightHandStatement = rightHandStatement;
}
public MultiplyExpression(Token token, Expression leftHandStatement, Expression rightHandStatement) : base(token, leftHandStatement, rightHandStatement)
{
}
static Expression produceExpression(Token token, Expression leftHandStatement, Expression rightHandStatement)
{
TokenType type = token.tokenType;
switch (type)
{
case TokenType.ADD:
return new AdditionExpression(token, leftHandStatement, rightHandStatement);
case TokenType.SUBTRACT:
return new SubtractExpression(token, leftHandStatement, rightHandStatement);
case TokenType.MULTIPLY:
return new MultiplyExpression(token, leftHandStatement, rightHandStatement);
case TokenType.DIVISION:
return new DivisionExpression(token, leftHandStatement, rightHandStatement);
case TokenType.MODULO:
return new ModuloExpression(token, leftHandStatement, rightHandStatement);
case TokenType.SMALLER:
return new SmallerCondition(token, leftHandStatement, rightHandStatement);
case TokenType.SMALLEREQUAL:
return new SmallerEqualCondition(token, leftHandStatement, rightHandStatement);
case TokenType.LARGER:
return new GreaterCondition(token, leftHandStatement, rightHandStatement);
case TokenType.LARGEREQUAL:
return new GreaterEqualCondition(token, leftHandStatement, rightHandStatement);
case TokenType.EQUAL:
return new EqualCondition(token, leftHandStatement, rightHandStatement);
case TokenType.NOTEQUAL:
return new NotEqualCondition(token, leftHandStatement, rightHandStatement);
case TokenType.AND:
return new AndCondition(token, leftHandStatement, rightHandStatement);
case TokenType.OR:
return new OrCondition(token, leftHandStatement, rightHandStatement);
}
return null;
}
public ReturnStatement(Expressions.Expression expression) : base(expression.token)
{
this.expression = expression;
}
public Assignment(Identifier identifier, Expressions.Expression expression) : base(expression.token)
{
this.identifier = identifier;
this.expression = expression;
}
public SubtractExpression(Token token, Expression leftHandStatement, Expression rightHandStatement) : base(token, leftHandStatement, rightHandStatement)
{
}