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by ridiculous_fish
1310 days ago
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Parsing shell input is somewhat different than other languages because keywords are contextual. For example `if echo` and `echo if` are both legal, but `if` is only a keyword in the first example. This affects the design of the lexer. Despite that, fish-shell still uses a traditional handwritten recursive descent parser. Link if you want to see: https://github.com/fish-shell/fish-shell/blob/master/src/ast... |
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