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lexical

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Big JSON on the Arduino: Parse Huge Data on a Tiny Device

11 Dec 2020 by honey the codewitch

Streaming your data and parsing on the go with tiny gadgets

Visual FA Part 5: Real World Lexing Example w/ JSON

N 14 Apr 2024 by honey the codewitch

Implementing a simple JSON parser with Visual FA

tokens

lexical

JSON

Javascript scoping and closure problem

29 Jun 2016 by Richard Deeming

In Javascript, "this" is a tricky concept. Many articles have been written trying to explain the complications - for example:this - JavaScript | MDN[^]Javascript - The this keyword[^]Understand JavaScript’s “this” With Clarity, and Master It | JavaScript is Sexy[^]In this case, when you...

Cfg: Jumpstart Your Parser Generator Projects

31 Jan 2020 by honey the codewitch

A small library for providing baseline Context-Free Grammar computations

Writing a Lexical Analyzer for SQL in C#

11 Jan 2024 by Nicolas DESCARTES

How to write a lexical analyzer for SQL?

SQL

DBA

lexical

Javascript scoping and closure problem

30 Jun 2016 by Mayank_Gupta_

function Employee() { this.name = "Mayank"; this.Age = 26; this.salary = 10000; var calculateBonus = function() { alert(this); return (this.salary + 1000); } calculateBonus();}var testObj = new Employee();In this code when we create an object of...

Lexical analyzer using C programing languages

22 Mar 2019 by CPallini

Let me Google that for you.[^]

lexical

Rolex (Interim Release 0.4): A Lexer Generator in C#

31 Jan 2020 by honey the codewitch

Add fast scanners/tokenizers to your C# project

ANTLR calculator operations priority

25 Aug 2016 by Member 12703506

Hello i'd make a simple calculator example using ANTLR but there is a problem in operations (/,*,-,+) priority my code give them the same priority ,i need to make a top priority for multiplication and divisionthis is the grammar:grammar Calc; start : expr EOF;expr: expr...

When executing a lex/yacc file, the folllowing commands are used. What does -d and -v stand for?

20 Oct 2016 by Member 12800975

lex b2.lyacc -d -v b2.ygcc lex.yy.c y.tab.cWhat I have tried:Can someone plzz tell about the same

lexical

When executing a lex/yacc file, the folllowing commands are used. What does -d and -v stand for?

20 Oct 2016 by Wendelius

Since you're using Bison, have a look at Bison 3.0.4: Bison Options[^] Quote:-dThis is the same as --defines except -d does not accept a file argument since POSIX Yacc requires that -d can be bundled with other short options.Quote:-v--verbosePretend that %verbose was specified, i.e.,...

lexical

What is the procedule way to handle files with lex and parse C?

1 Aug 2018 by CPallini

Just Googling you may find many step-by-step tutorials on this very topic. See, for instance: Writing Your Own Toy Compiler Using Flex, Bison and LLVM (gnuu.org)[^].

parsing

lexical

compilation

Hi, I am getting this erro ""lexique_simple.l", line 15: unrecognized rule" on the line "{reel} {ECHO; valreel=atof(yytext); return reel; }" and I don't really know what to do more; pls help

31 May 2021 by Orly Ndonse

%{ #include "syntaxe.tab.h" char nom[]; %} chiffre [0-9] lettre [A-Za-z] entier (-)?{chiffre}{chiffre}* reel {entier}.{chiffre}*((e|E) {entier})? identifiant {lettre}({lettre}|{chiffre})* /*on va passer à la partie regles de traduction*/ %%...

compilation

lexical

Flex

Why yacc doesn't parse?

19 May 2022 by abc174

Hi, I'm working on a define a new language with lex and yacc. However, lexer works fine but yacc doesn't. I'm not pretty sure if my grammar is completely right. I get "syntax error in input" from yacc. My lexing.py: # lexer.input(data). Reset...

Python

lexical

regular-expression

Parse Anything with Parsley: A Different Approach

31 Dec 2019 by honey the codewitch

Use the Parsley compositional parser generator to parse a complicated grammar with backtracking.

Lexly: A Little Bytecode Programmable Lexer/Generator

19 Jan 2020 by honey the codewitch

A completely programmable lexer/tokenizer/scanner generator in C# using a Pike Virtual Machine

Rolex: Unicode Enabled Lexer Generator in C#

20 Nov 2023 by honey the codewitch

Generate fast, easy to use lexers/scanners in major .NET languages

Pck: The Parser Construction Kit

6 Aug 2019 by honey the codewitch

A parser generator and unification system for different parsing tools

Parsley: A Recursive Descent Parser Generator in C#

9 Jan 2020 by honey the codewitch

Generate powerful, maintainable parsers in most major .NET languages using a friendly grammar format

Diet JSON and a Coke: An Exploration of Incredibly Efficient JSON Processing

22 Dec 2020 by honey the codewitch

Highly efficient access to JSON data sources and selective bulk loading JSON on any platform using a new JSON paradigm

LexContext: A Streamlined Cursor Over a Text Input

17 Jan 2020 by honey the codewitch

Manage location tracking, lifetime, error reporting and basic parsing/lexing with this simple class

How to Build a Recursive Descent Parser

14 Mar 2020 by honey the codewitch

Learn how to implement recursive descent parsers, with examples for JSON and an integer expression evaluator

Javascript scoping and closure problem

29 Jun 2016 by Sergey Alexandrovich Kryukov

Please see my comment to the Solution 1. In addition to that, I want to say:It's really important to clear the mind from OOP ideas. This is what is called "distractions" in this article: JS Objects: Distractions.I seriously advise to learn and and understand well.As to your example,...

Javascript scoping and closure problem

29 Jun 2016 by Sergey Alexandrovich Kryukov

I hope you enjoyed the link I provided in Solution 2. Now, let's see what's going on with your simple case. One of the possible solutions would be this:function Employee() { this.name = "Mayank"; this.Age = 26; this.salary = 10000; // make alculateBonus a property: ...

Javascript scoping and closure problem

30 Jun 2016 by Sergey Alexandrovich Kryukov

Mayank Gupta asked:Thanks for the reply sir. Its great to see the workarounds for the code I wrote in order to execute it as expected.Thanks a lot....But I would also like to know why the above code is Alerting me with the "Window" Object instead of Employee ObjectPlease see my comment...

Javascript scoping and closure problem

29 Jun 2016 by Mayank_Gupta_

Thanks for the reply sir. Its great to see the workarounds for the code I wrote in order to execute it as expected. Thanks a lot....But I would also like to know why the above code is Alerting me with the "Window" Object instead of Employee Object.What i assume is that when "new...

What is the procedule way to handle files with lex and parse C?

1 Aug 2018 by RavenLee

I understand the tokenizing part. I have the lex reading the file, splitting the tokens, labeling them accordingly, and displaying it in the console. What is the process after this? 1)At this point do I try to pull the defines from preprocessor and lex again? Which would be in the lex.h file,...

parsing

lexical

compilation