ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files. It's widely used to build languages, tools, and frameworks. From a grammar, ANTLR generates a parser that can build and walk parse trees.
This example is done in the java language.
Java Example
A step by step series that tell you how to get development env running in linux distribuition
First Step
$ cd /usr/local/lib
Second Step, downloading antlr4.8-complete.jar
$ wget https://www.antlr.org/download/antlr-4.8-complete.jar
Third Step, set CLASSPATH
$ export CLASSPATH=".:/usr/local/lib/antlr-4.8-complete.jar:$CLASSPATH"
Fourth Step, set alias to recognition of jar antlr
$ alias antlr4='java -jar /usr/local/lib/antlr-4.8-complete.jar'
Fifth Step, set Alias to TestRig
$ alias grun='java org.antlr.v4.gui.TestRig'
First step is to generate Lexer and Parser
antlr4 Java9.g4
Soon after, compile all the .java files
javac Java9*.java
Lastly, execute
grun Java9 classDeclaration -gui <File with java class structure> ex: HelloWord.java
- Raul Coelho - Initial work - Raul Coelho
:)