/Compilers-Parser

Primary LanguageJava

Compilers Course

Exercise 2 - LL(1) Parser

Implementing a simple Compiler's LL(1) Parser using Java & according to exercise defined config file.

  • Input: Config File (representing LL(1) table)
  • Output: Syntax Tree definition to be drawn using webgraphviz.com

Usage

  1. Export project as runnable Jar file, for example syntax_parser.jar, with main class: SyntaxMain.java
  2. Run from CLI: java -jar syntax_parser.jar config.ll1 input.txt
    • Config file must be a valid LL(1) parse table with first row defining Terminals
  3. Output will be in file input.ptree
  4. Goto webgraphviz.com and paste the output to view the parse tree