3.8. Summary
Building a new parser starts with envisioning the language you want to recognize. Write a few sample sentences of the language that you want, and write a grammar that comprehends these examples. A grammar shows the pattern of strings in your language and serves as a design document. Next, translate your grammar to code and verify that your parser recognizes the sample strings of your language. Once you get a parser working that recognizes your examples, you can add more grammar rules. You can work iteratively to build the complete language you want to recognize. At some point, you must start creating the auxiliary classes that let your parser do more than just recognize an input string. These supporting classes are assemblers and ...
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