8 Answered Questions for the topic parsing

07/03/19

#### Why can't a recursive-descent parser handle left recursion?

Could someone please explain to me why recursive-descent parsers can't work with a grammar containing left recursion?
Parsing Grammar Idioms

06/23/19

#### Grammar parsing for "if need be"?

I have the following question. There is an idiom 'if need be'. The meaning is clear, but I can't comprehend it from a grammatical point of view. How should I parse it? 'if [smth] needs to be'? Why... more
Parsing Java Logic Algorithm

06/19/19

#### Parsing Java Source Code?

I am asked to develop a software which should be able to create Flow chart/ Control Flow of the input Java source code. So I started researching on it and arrived at following solutions: To create... more

05/28/19

#### How do I parse a string to a float or int in Python?

In Python, how can I parse a numeric string like "545.2222" to its corresponding float value, 545.2222? Or parse the string "31" to an integer, 31?I just want to know how to parse a *float*... more

05/25/19

#### How to determine whether a language is LL(1) LR(0) SLR(1)?

Is there a simple way to determine whether a grammar is LL(1), LR(0), SLR(1)... just from looking on the grammar without doing any complex analysis? For instance: To decide whether a BNF Grammar is... more
Parsing Logic Javascript

05/06/19

#### Why does javascript accept commas in if statements?

I stumbled across some javascript syntax that seemed like it should produce a parse error of some kind but doesn't: if (true, true) {console.log('splendid')} else {console.log('horrid')} //... more
Parsing Python Json

03/18/19

#### Parsing values from a JSON file?

I have this JSON in a file: { "maps": [ { "id": "blabla", "iscategorical": "0" }, { "id": "blabla", ... more
Parsing Linux Bash Shell

03/14/19

#### How to join multiple lines of file names into one with custom delimiter?

I would like to join the result of ls -1 into one line and delimit it with whatever i want. Are there any standard Linux commands I can use to achieve this?

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