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Questions tagged [control-flow]

Control flow (or flow of control) is the order in which individual statements, instructions or function calls of an imperative program are executed or evaluated.

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Creating a control flow graph for a given function

Given is a short Java function and I like to create a control flow graph for it but I'm not sure if it's fine like that? Because I left some things away such as variables that have already been ...
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How a Control-Flow Graph looks with many (Nested) Functions

From what I can remember the Control-Flow Graphs for which I have seen images have mostly been of single functions. So basically just statements with perhaps looping. But I am wondering what a control-...
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Should “else” be used in situations where control flow renders it redundant?

I sometimes stumble upon code similar to the following example (what this function does exactly is out of the scope of this question): function doSomething(value) { if (check1(value)) { return -...
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1answer
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What's the OOP way of dealing with a flow control heavy application?

I'm refactoring a huge WPF application whose complexity stems from the way it deals with flow control. It has a lot of "tiny business rules" that make it really difficult to make a modification ...
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1answer
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How do I achieve non-linear non-dependent control flow using Promises (in server-side ES6)

Coming over from the Java world, I am having trouble translating a multi-threaded approach to IO to the ES6 Promises concept of aysnc IO. Many of the examples I have seen on promises show a linear ...
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1answer
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How to compute whether it is guaranteed the variable is set?

Assuming declarations are expressions consider such code: if ((var x = foo()) and (var y = x)) or (var z = bar()) then println(z); end The reference to x is OK, because at this point x has to be ...
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Problem on recursion

void function(int x){ if(x<=0) return; function(x--); } This is a recursion function which is called with the value of x = 20. The Recursive call will take place in this way ...
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4answers
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Optimistic & Pessimistic Programming - Ensuring multiple tasks are called only once for specific record

Let's say you have 10 database records which you need to process in the following way: Start Pull 2 records from the database with the 'Processed' flag set to 'false' Call the external web service ...
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1answer
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Flow Chart - While Loops process

I'm having difficulties understanding whether or not this is the right process to use for a flow chart which illustrates the processes involved in an algorithm. For this, assume the following: A 1D ...
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702 views

Control flow testing in white box - static or dynamic?

Yesterday I asked a question that happened to have another meaning inside. I can see that Control/data flow is often mentioned to be static analysis (when tools is used) or dynamic analysis testing in ...