Bi 22 02 Parse And Run Rem Basic Interpreter

Summary

Last time we finished lexical analysis for We've finished our features, but have some cleanup to do. We started with an overview and walkthrough of the code. Then we ... We're starting a new project: an We started by updating the REPL to have three tabs: the code, the output, and the variables. (The latter has fake data still.) We come back around to the notion of Location. When we allow multiple statements per line, we sometimes need to keep track of ... We added tests for the numeric predefined functions that we had already implemented, then we added tests and code for the ... I messed up the recording so this is just a quick summary] We introduced a BasicArray type that knows about multiple dimensions ... We now enforce the type of arguments for pre-defined functions, and we also correctly report the result type (which could be a ... We first focused on input to array cells, e.g., INPUT B(3). We were able to unify that with our earlier input work and make it rely on ... We continue on operators: the relational operators are working, we fixed a precedence issue for unary minus, and we started on ...