goto

Using a Goto to enhance the DRY principle and code clarity: a good idea?

I have some code that is structured like the following: if (someStatement) { //... if (SomeOtherStatement) { //..., possibly more cases like this } else { //goto warning; //would otherwise repeat //the MessageBox.Show here } } else { //goto warning; } //... warning: Message...

Ruby/Watir getting stuck after using "goto"

I'm using a simple browser.goto(url) call to our Microsoft SQL Reporting pages. It does a "goto" on the first url but then just sits there. I'm currently running it via command line. If I Ctrl+C to cancel it, the output says: C:/Ruby/lib/ruby/gems/1.8/gems/watir-1.6.5/lib/watir/ie-class.rb:506:in `wait': Interrupt from C:/Ruby/lib/...

Is GOTO in PHP evil?

I recently found out that PHP 5.3 supports new language construct called GOTO. Everybody knows what it does. However, it's not exactly the traditional GOTO, it's just a jump label. I'm interesting in knowing whether this GOTO is evil and implies bad code? ...

variable predefinition, moving variable to earlier point

Ok, here's the deal where I'm really stuck. I use my cms with design patterns. Where's the last final output(in design template's main file: 'design.php'): <div>{CONTENT_HEADER}</div> <div style='float:left;width:25%'>{CONTENT_LEFT}</div> <div style='float:left;width:50%'>{CONTENT_CENTER}</div> <div style='float:left;width:25%'>{CONTEN...

Transfer a variable to earier point without goto

How to write this without goto: ob_start(); $a = 0; echo "START of LEFT<br />"; begin: if($a > 0) { echo "CONTENT LEFT: $a<BR />"; <VERY DIFFICULT ALGORHITM> goto end; } <... ALL THE REST CODE OF LEFT ...> echo "END of LEFT<br /><br />"; $output1 = ob_get_contents(); ob_end_clean(); ob_start(); echo "START ...

Recompile decompiled Java (JD / JAD) source that contains goto instructions

(Related question: http://stackoverflow.com/questions/992930/java-compilers-or-jvm-languages-that-support-goto) I have decompiled a jar (Legally, for debugging purposes) and want to recompile it. I've used both JAD and JD and both don't compile due to goto instructions E.g. goto _L1 ... L1: return true; Is...

How do I get GDB to break out of a loop?

I can tell GDB to return from a function immediately with return, and call a function with call myFunction. But how do I get it break out of the current loop? i.e. to act as if it's hit a break; statement. Is jump myfile.c:<linenumber> the way to do this? ...

Problems that can arise from using a GOTO statement to jump down only ?

Is there any harm for using a GOTO statement to jump down only ? Or are we totally safe ? What I mean by that is think this as my code, Some code ... ... GOTO whereToJump Some code ... ... whereToJump: Some code ... When whereToJump point is always below the GOTO statement, is there any security issues? ...

In Perl, what is the right way for a subclass to alias a method in the base class?

I simply hate how CGI::Application's accessor for the CGI object is called query. I would like my instance classes to be able to use an accessor named cgi to get the CGI object associated with the current instance of my CGI::Application subclass. Here is a self-contained example of what I am doing: package My::Hello; sub hello { ...

When implementing an infinite loop, is there a difference in using while(1) vs for(;;) vs goto (in C)?

When implementing an infinite loop, is there a difference in using while(1) vs for(;;) vs goto? Thanks, Chenz ...

Are events the OO equivalent of GOTO?

Was just thinking about this question while trying to figure out some code written by our previous developer. Trying to trace out how control of the program was happening reminded me of the bad old days of BASIC, where it was hardly ever obvious the execution path of a program. Is this more a symptom of event abuse, or is there a struc...

How to Break out of multiple loops at once in C#?

What if I have nested loops, and I want to break out of all of them at once? while (true) { // ... while (shouldCont) { // ... while (shouldGo) { // ... if (timeToStop) { break; // break out of everything? } } } } In PHP, break takes an argument...

What happens when we combine RAII and GOTO ?

I'm wondering, for no other purpose than pure curiosity (because no one SHOULD EVER write code like this!) about how the behavior of RAII meshes with the use of Goto (lovely idea isn't it). class Two { public: ~Two() { printf("2,"); } }; class Ghost { public: ~Ghost() { printf(" BOO! "); } }; vo...

alternative to goto statement in Java

What is an alternative function for goto keyword in java? Since Java does not have goto. ...

continue to <label> in C# like in java

I need C# equivalent to Java’s continue ? i have for (String b : bar) { <label> try { } catch (EndpointNotFoundException ex) { continue <label> } } how can i simulate this in C#. i need that when i get exception that i repeat code not go on. ...

Go To Statement Considered Harmful?

If the statement above is correct, then why when I use reflector on .Net BCL I see it is used a lot? EDIT: let me rephrase: are all the GO-TO's I see in reflector written by humans or compilers? ...

AS3 Access of undefined property

Hi, first of all I am completely new to AS3. I want to create a simple website, with 3 buttons. Once you click on the button, content should appear next to it. But i have trouble programming even one button. Here is the script: stop(); photography_btn.addEventListener(MouseEvent.CLICK, photoclick); function photoclick(event:MouseEvent...

Eclipse goto label not working in C

Hi, I am using the Eclipse CDT and I have a goto label and a FILE definition after it and when I compile the project it gives me the error: Expression expected before FILE. Thanks in advance, Mr. Man EDIT: Ok, so this is what I get from the command line: iOS.c: In function ‘main’: iOS.c:45: error: expected expression before ‘FILE...

Is there ever a reason to use goto in modern .NET code?

I just found this code in reflector in the .NET base libraries... if (this._PasswordStrengthRegularExpression != null) { this._PasswordStrengthRegularExpression = this._PasswordStrengthRegularExpression.Trim(); if (this._PasswordStrengthRegularExpression.Length == 0) { goto Label_016C; ...

Is there a goto statement in java?

I'm confused about this. Most of us have been told that there is no goto statement in Java. But I found that it is one of the keyword in Java. Where can it be used? If it can not be used, then why was it included in Java as a keyword? ...