LL1 Parser

Developed using Java

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Instructions: To run the project, simply compile LL1Parser.java and run java LL1Parser [path to grammar file] [path to file to input file].

View the screenshot if need For example:

cd code/
javac LL1Parser.java
java LL1Parser ../output/1/grammar.txt ../output/1/test.txt

Use Command '-v' argument for verbose mode.

Verbose mode prints the revised grammer , first and follow set , parsing table and the parsing operations

Output:

After successfully parsing a grammar, the program will create two files in the active directory:

1. A tokenized version of the input file will be written in the current working directory with the extension of .tok.
2. parsing_table.txt is the name of the parsing table containing text files

NOTE: Run the command 'less -S parsing_table.txt' for viewing the parsing table in the terminal.

This project is revised version of the existing project available.