/// <summary>
/// <para>Handles *expression* "==" *expression</para>
/// <para>*expression* "!=" *expression*</para>
/// </summary>
/// <returns></returns>
private ASTExpressionBase ParseExpression4()
{
ASTExpressionBase expression = ParseExpression5();
while (Match(TokenType.EQUALS_EQUALS) || Match(TokenType.NOT_EQUALS))
{
switch (_buffer[0].Type)
{
case TokenType.EQUALS_EQUALS:
{
Consume();
ASTExpressionBase expressionRight = ParseExpression5();
expression = new ASTCompare(ASTCompare.OperationType.EQUALS_EQUALS, expression, expressionRight);
}
break;
case TokenType.NOT_EQUALS:
{
Consume();
ASTExpressionBase expressionRight = ParseExpression5();
expression = new ASTCompare(ASTCompare.OperationType.NOT_EQUALS, expression, expressionRight);
}
break;
}
}
return(expression);
}
/// <summary>
/// Handles *expression* "&&" *expression* (and)
/// </summary>
/// <returns></returns>
private ASTExpressionBase ParseExpression3()
{
ASTExpressionBase expression = ParseExpression4();
while (Match(TokenType.AND))
{
Consume();
ASTExpressionBase expressionRight = ParseExpression4();
expression = new ASTCompare(ASTCompare.OperationType.AND, expression, expressionRight);
}
return(expression);
}
