High-Level Design Considerations
Our approach to grammar analysis is now going to be a bit more formal than that presented in Chapters 2 and 3. I'll start the design discussion in this and the next two chapters by examining the grammar of the legacy file format. I'll present a logical analysis, followed by the schema for the file description document. In the previous section I presented the basic content of that document, but here I'll discuss its relation to the grammar. The grammar analysis will also lay a foundation for the parsing algorithms presented later in this chapter.
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