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For building projects manually or with ANTLRWorks IDE:
- First Make sure you have installed the Java JDK (not JRE)
- Then you have to get the software: Download ANTLR v3 and install it (see How do I install this damn thing?) or get the ANTLRWorks grammar development environment, which includes ANTLR. You can just click on the ANTLRWorks jar to get started.
- Try a cut-and-paste example such as Expression evaluator either by pasting into ANTLRWorks and running the interpreter or debugger (see ANTLRWorks tutorial) or using an editor and manually invoking ANTLR from the command line (see How do I use ANTLR v3 from the command line?).
- Try modifying an existing grammar; change actions and rule elements to see what happens. You can look for grammars in the ANTLR grammar list (though, most of them are currently v2 grammars) or take a look at some of the ANTLR v3 examples.
- Check out the Five minute introduction to ANTLR 3 which breaks out an example grammar into very simple chunks.
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