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https://github.com/CatalaLang/catala.git
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a415355a39
The phantom polymorphic variant qualifying AST nodes is reversed: - previously, we were explicitely restricting each AST node to the passes where it belonged using a closed type (e.g. `[< dcalc | lcalc]`) - now, each node instead declares the "feature" it provides using an open type (e.g. `[> 'Exceptions ]`) - then the AST for a specific pass limits the features it allows with a closed type The result is that you can mix and match all features if you wish, even if the result is not a valid AST for any given pass. More interestingly, it's now easier to write a function that works on different ASTs at once (it's the inferred default if you don't write a type restriction). The opportunity was also taken to simplify the encoding of the operators, which don't need a second type parameter anymore.
95 lines
1.5 KiB
Plaintext
95 lines
1.5 KiB
Plaintext
(library
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(name surface)
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(public_name catala.surface)
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(libraries
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catala_utils
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menhirLib
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sedlex
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re
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zarith
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zarith_stubs_js
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dates_calc
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shared_ast)
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(preprocess
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(pps sedlex.ppx visitors.ppx)))
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(rule
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(with-stdout-to
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lexer_en.ml
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(run %{bin:cppo} %{dep:lexer_en.cppo.ml} %{dep:lexer.cppo.ml})))
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(rule
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(with-stdout-to
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lexer_fr.ml
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(run %{bin:cppo} %{dep:lexer_fr.cppo.ml} %{dep:lexer.cppo.ml})))
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(rule
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(with-stdout-to
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lexer_pl.ml
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(run %{bin:cppo} %{dep:lexer_pl.cppo.ml} %{dep:lexer.cppo.ml})))
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(menhir
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(modules tokens)
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(flags --only-tokens))
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(menhir
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(modules tokens parser)
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(merge_into parser)
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(flags --external-tokens Tokens --table --explain))
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(rule
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(target grammar.html)
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(action
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(run obelisk html -i -o %{target} %{dep:parser.mly})))
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(documentation
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(package catala)
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(mld_files surface))
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;; No built-in support for Menhir's parser messages yet
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(rule
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(with-stdout-to
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parser.messages.new
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(run
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menhir
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%{dep:tokens.mly}
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%{dep:parser.mly}
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--base
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parser
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--list-errors)))
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(rule
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(with-stdout-to
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parser_errors.ml
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(run
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menhir
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%{dep:tokens.mly}
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%{dep:parser.mly}
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--base
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parser
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--compile-errors
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%{dep:parser.messages})))
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(rule
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(with-stdout-to
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parser.messages.updated
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(run
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menhir
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%{dep:tokens.mly}
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%{dep:parser.mly}
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--base
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parser
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--update-errors
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%{dep:parser.messages})))
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(rule
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(alias update-parser-messages)
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(action
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(diff parser.messages parser.messages.updated)))
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(rule
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(alias create-parser-messages)
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(action
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(diff parser.messages parser.messages.new)))
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