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This is the (sub)grammar for input files. It is an initial draft, written based on the Notion page 'Leo Input File Doc/Spec'. This should be compared with the currently implemented parser of input (i.e. .in) files. As the Leo Reference will describe (that part has not been written yet), the input grammar is based on the lexical grammar, i.e. an input file consists of tokens, comments, and whitespace. However, only some tokens (compared to the syntactic grammar for Leo code files) are used, namely the ones reachable from the `input-file` nonterminal. Currently (i.e. im this initial version of Leo) `input-type` is (any) `type` and `input-expression` is just a `literal`, but these may evolve as we extend the language (e.g. we'll probably disallow circuit types and allow tuple and array constructions). The intent is that `input-type` will be a subset of `type` and that `input-expression` will be a subset of `expression`. |
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| .. | ||
| error-guides | ||
| grammar | ||
| rfc | ||
| compiler-phases.pdf | ||