Can we use GHC API or something else to load not text source modules, but AST expressions, similar to haskell-src-exts Exp type? This way we could save time for code generation and parsing.
Dynamic loading of Haskell abstract syntax expression
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I don't think the GHC API exposes an AST interface (could be wrong though), but Template Haskell does. If you build expressions using the
Language.Haskell.THExpstructure, you can create functions/declarations and make use of them by the$(someTHFunction)syntax.A fairly major caveat is that TH only runs at compile time, so you would need to pre-generate everything. If you want to use TH at run-time, I think you'd need to pretty-print the template haskell AST, then use the GHC API on the resulting string.