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====== Compile the XL parser & Compiler ======

The XL parser and compiler are automatically generated from an ANTLR grammar. After any modification on them, they need to be recompiled. The generated classes should not be manually modified. The current ANTLR version used is 2.7.7. 

===== Files location =====

The grammar for the compiler and the parser are in ''XL-Compiler/src/main/ressources/de/grogra/xl/'' and then ''compiler/Compiler.tree.g'' and ''parser/XL.g''. The ''XLTokenType.txt'' and ''CompilerTokenTypes.txt'' are also required.

===== Compile the grammar =====

Put the grammar files and the antlr2.7.7 jar in the same directory. Run the commands:
<code bash>
java -cp antlr2.7.7.jar antlr.Tool Compiler.tree.g
java -cp antlr2.7.7.jar antlr.Tool XL.g
</code>
The compiler grammar need to be compiled first as it creates (update) the CompilerToken file that is required for the parser.