Install Java Runtime Environment (JRE)
Start by installing the JRE:
https://www.oracle.com/technetwork/java/javase/downloads/jre8-downloads-2133155.html
Install Java Development Kit (JDK)
Next, install the JDK:
http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html
Afterward, add “C:\Program Files\Java\jdk1.8.0_181\bin” to your PATH environment variable.
Install Cygwin
Install Cygwin: https://www.cygwin.com/
Rember to add “make” to install under Development packages.
Install ANTLR4
Download the Javalib zip-file from ANTLR website.
https://www.antlr.org/download.html
Set Environment variables
Open “Environment Variables”
Add to or create “CLASSPATH”-variable “C:\Javalib\antlr-4.7.1-complete.jar;”
Add to “PATH”-variable “;C:\Javalib\;”
IF not already there, add to “PATH”-variable: “;C:\ProgramFiles\Java\jdk1.8.1_181\bin;”
Setting up Cygwin
Run: $ export PATH=$PATH:”/cygdrive/c/Program Files/Java/jdk1.8.0_181/bin”
Run makefiles and java .class-files from Cygwin
Edit path to antlr4 in Makefile line 1 to: “/Javalib/antlr-4.7.1-complete.jar”
Navigate to C:\ in Cygwin, run: $ cd /cygdrive/c
To run makefile, run: $ make
To run parser, run: $ java main java_input.txt