public override Value VisitEqualityExpr(AbstractIfStmtParser.EqualityExprContext ctx)
{
Value left = this.Visit(ctx.expr(0));
Value right = this.Visit(ctx.expr(1));
switch (ctx.op.Type)
{
case AbstractIfStmtParser.EQ:
return(left.isDouble() && right.isDouble() ?
new Value(Math.Abs(left.asDouble() - right.asDouble()) < SMALL_VALUE) :
new Value(left.Equals(right)));
case AbstractIfStmtParser.NEQ:
return(left.isDouble() && right.isDouble() ?
new Value(Math.Abs(left.asDouble() - right.asDouble()) >= SMALL_VALUE) :
new Value(!left.Equals(right)));
}
return(new Value(false));
}
/// <summary>
/// Visit a parse tree produced by <see cref="AbstractIfStmtParser.equalityExpr"/>.
/// <para>
/// The default implementation returns the result of calling <see cref="AbstractParseTreeVisitor{Result}.VisitChildren(IRuleNode)"/>
/// on <paramref name="context"/>.
/// </para>
/// </summary>
/// <param name="context">The parse tree.</param>
/// <return>The visitor result.</return>
public virtual Result VisitEqualityExpr([NotNull] AbstractIfStmtParser.EqualityExprContext context)
{
return(VisitChildren(context));
}
/// <summary>
/// Exit a parse tree produced by <see cref="AbstractIfStmtParser.equalityExpr"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitEqualityExpr([NotNull] AbstractIfStmtParser.EqualityExprContext context)
{
}