Seawolf Interpreter

To install ANTLR4 follow the instructions here (https://github.com/ANTLR/ANTLR4/blob/master/doc/getting-started.md ) but replace antlr-4.5.3 with antlr-4.6.

Then install the python runtime here (https://pypi.python.org/pypi/antlr4-python3-runtime/).

Compile the Grammar as below:

Window:

set CLASSPATH="C:\downloads\ANTLR\antlr-4.6-complete.jar;"

Linux:

export CLASSPATH=".:/usr/local/lib/antlr-4.6-complete.jar:$CLASSPATH"

Compile using below command:

java org.antlr.v4.Tool -Dlanguage=Python3 -visitor -no-listener grammar.g4

Or

Use antlr plugin available in IDE

Tools:

python version: python 3.6.1

ANTLR version : ANTLRv4

Main file: seawolf.py

Grammar: SeawolfGrammar.g4

Other file:

CustomVisitor.py : overrides default visitor

Rest are auto generated by antlr compiler(Lexer, Parser, .tokens, Visitor etc)

//How to run

python3 main.py input_file