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ANTLR with C# – a simple grammar

This post describes how to get started with Antlr version 3. For version 4, see here (note that Antlr4 breaks most of the functionality in previous versions). ANTLR (ANother Tool for Language...

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ANTLR with C# – adding actions to rules

In the last post, we saw how to install ANTLR in Visual Studio and write a simple grammar. We could run the parser and get it to check some input for errors, but so far nothing happens when a correct...

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ANTLR with C# – using an Abstract Syntax Tree (AST)

The ANTLR example we’ve seen in the last two posts (part 1 and part 2) produced a simple calculator that accepted integers and the four arithmetic operators and calculated the answer. This sort of...

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