Compiler-Design

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Compiler-Design

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I will keep my Lex Programs and Learnings Here.

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# Compiler Design

This repository contains a collection of programs related to Compiler Design.

## Table of Contents

- [Installation](#installation)
- [Usage](#usage)
- [Contributions](#contributions)
- [License](#license)
- [Author](#author)

## Installation

Cloning the Repository
To clone this repository, follow the steps below:

1. Open your terminal or command prompt on your computer.
2. Navigate to the directory where you want to clone the repository.
3. Type the following command:
```
   https://github.com/knockcat/Compiler-Design.git
```
4. Press enter to execute the command.
5. Wait for the cloning process to finish.
6. Once the cloning process is complete, navigate to the cloned repository using the following command:
```
   cd Compiler-Design  
```
7. You can now explore the repository and use it as needed.

## Usage

This repository contains the following programs:

To Run them use following commands every execution is attached in output in above folders you can also refer there...

```
  flex program.l
```
```
  gcc lex.yy.c
```
```
  ./a.out
```

1. [Program 01 - Lex code for counting number of lines, spaces, tabs and rest of characters.](https://github.com/knockcat/Compiler-Design/tree/main/Program%2001%20Lex%20code%20for%20counting%20number%20of%20lines%2C%20spaces%2C%20tabs%20and%20rest%20of%20characters.)
2. [Program 02 - Design a LEX Code to identify and print valid Identifier of C,C++, in given Input pattern.](https://github.com/knockcat/Compiler-Design/tree/main/Program%2002%20Design%20a%20LEX%20Code%20to%20identify%20and%20print%20valid%20Identifier%20of%20C%2CC%2B%2B%20in%20given%20Input%20pattern.)
3. [Program 03 - Design a LEX Code to identify and print integer and float value in given Input pattern.](https://github.com/knockcat/Compiler-Design/tree/main/Program%2003%20Design%20a%20LEX%20Code%20to%20identify%20and%20print%20integer%20and%20float%20value%20in%20given%20Input%20pattern.)
4. [Program 04 - Lex code for tokenizing C-code.](https://github.com/knockcat/Compiler-Design/tree/main/Program%2004%20Lex%20code%20for%20tokenizing%20C-code.)
5. [Program 05 - Design a LEX Code to count the number of total characters, words, white spaces in given input.txt file.](https://github.com/knockcat/Compiler-Design/tree/main/Program%2005%20Design%20a%20LEX%20Code%20to%20count%20the%20number%20of%20total%20characters%2C%20words%2C%20white%20spaces%20in%20given%20input.txt%20file.)
6. [Program 06 - Lex code for replacing multiple whitespaces by single space.](https://github.com/knockcat/Compiler-Design/tree/main/Program%2006%20Lex%20code%20for%20replacing%20multiple%20whitespaces%20by%20single%20space.)
7. [Program 07 - Lex code for removing C-comment from C-program.](https://github.com/knockcat/Compiler-Design/tree/main/Program%2007%20Lex%20code%20for%20removing%20C-comment%20from%20C-program.)
8. [Program 08 - Design a LEX Code to extract all html tags in the given HTML file at run time and store into text file given at run time.](https://github.com/knockcat/Compiler-Design/tree/main/Program%2008%20Design%20a%20LEX%20Code%20to%20extract%20all%20html%20tags%20in%20the%20given%20HTML%20file%20at%20run%20time%20and%20store%20into%20Text%20file%20given%20at%20run%20time.)
9. [Program 09 Implementation of DFA accepting even number of a and b over input {a, b} with dead state.](https://github.com/knockcat/Compiler-Design/tree/main/Program%2009%20Implementation%20of%20DFA%20accepting%20even%20number%20of%20a%20and%20b%20over%20input%20%7Ba%2C%20b%7D%20with%20dead%20state.)
10. [Program 10 Design a DFA in LEX Code which accepts string containing third last element 'a' over input alphabet {a,b}.](https://github.com/knockcat/Compiler-Design/tree/main/Program%2010%20Design%20a%20DFA%20in%20LEX%20Code%20which%20accepts%20string%20containing%20third%20last%20element%20'a'%20over%20input%20alphabet%20%7Ba%2Cb%7D.)
11. [Program 11 Design a DFA in LEX Code to Identify and print Integer & Float Constants and Identifier.](https://github.com/knockcat/Compiler-Design/tree/main/Program%2011%20Design%20a%20DFA%20in%20LEX%20Code%20to%20Identify%20and%20print%20Integer%20%26%20Float%20Constants%20and%20Identifier.)
12. [Program 12 Yacc-Lex code for +, -, * and div of integers with precedence specification explicitly.](https://github.com/knockcat/Compiler-Design/tree/main/Program%2012%20Yacc-Lex%20code%20for%20%2B%2C%20-%2C%20*%20and%20div%20of%20integers%20with%20precedence%20specification%20explicitly.)
13. [Program 13 Yacc-Lex code for +, -, * and div of integers with precedence specified within CFG.](https://github.com/knockcat/Compiler-Design/tree/main/Program%2013%20Yacc-Lex%20code%20for%20%2B%2C%20-%2C%20*%20and%20div%20of%20integers%20with%20precedence%20specified%20within%20CFG.)
14. [Program 14 Yacc-Lex code for converting infix expression to postfix expression.](https://github.com/knockcat/Compiler-Design/tree/main/Program%2014%20Yacc-Lex%20code%20for%20converting%20infix%20expression%20to%20postfix%20expression.)
15. [Program 15 Yacc-Lex code for Desk calculator.](https://github.com/knockcat/Compiler-Design/tree/main/Program%2015%20Yacc-Lex%20code%20for%20Desk%20calculator.)

## Contributions
We welcome contributions from the community. If you find a bug, have a feature request or want to contribute code, please follow the steps below:

1. Fork the repository
2. Create a new branch
3. Make your changes and commit them
4. Push the changes to your forked repository
5. Create a pull request

Please ensure your pull request adheres to the following guidelines:

- Keep the code style consistent with the project's style
- Write tests for any new features or modifications
- Ensure the tests pass before submitting the pull request

## License

This project is licensed under the Apache License 2.0. For more information, please refer to the [LICENSE](https://github.com/knockcat/Compiler-Design/blob/main/LICENSE) file.

## Author

This project was created by [Vishal Joshi](https://github.com/knockcat/). You can connect with me on [LinkedIn](https://www.linkedin.com/in/vishal-joshi-7194491b7/) and follow me [here](https://github.com/knockcat/).

Compiler-Design

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