Steve Dunham
9ed2b2077d
- forward declaration of records - fixes to projections - drop record accessors (use projections instead) - changes to names to disambiguate
53 lines
1.4 KiB
Bash
Executable File
53 lines
1.4 KiB
Bash
Executable File
#!/bin/zsh
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# script to translate a file from idris to newt
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# this is just a first pass, hopefully
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mkdir -p port
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find src -type f -name '*.idr' | while read -r file; do
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output_file="port/${file#src/}"
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output_file="${output_file%.idr}.newt"
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mkdir -p "$(dirname "$output_file")"
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if [[ ! -f "$output_file" ]]; then
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echo "$file -> $output_file"
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perl -pe '
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use strict;
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s/^%.*//;
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s/\bType\b/U/g;
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s/\binterface\b/class/g;
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s/import public/import/g;
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s/\[\]/Nil/g;
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s{\[([^<].*?)\]}{"(" . (join " ::", split /,/, $1) . " :: Nil)"}ge;
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s/\bsym\b/symbol/g;
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s/^export//g;
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s/^\s*covering//g;
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s/pure \(\)/pure MkUnit/;
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s/M \(\)/M Unit/;
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s/Parser \(\)/Parser Unit/;
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s/OK \(\)/OK MkUnit/;
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s/ifThenElse/ite/;
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s/toks,\s*com,\s*ops,\s*col/toks com ops col/;
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s/\bNat\b/Int/g;
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s/(\s+when [^\$]+\$)(.*)/\1 \\ _ =>\2/;
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s/^public export//g;
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s/\(([A-Z]\w+), ?([^)]+)\)/(\1 × \2)/g;
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s/\|\|\|/--/;
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# maybe break down an add the sugar?
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# patterns would be another option, but
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# we would need to handle overlapping ones
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s/ \. / ∘ /g;
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s/\(([<>\/+]+)\)/_\1_/g;
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s/\{-/\/-/g;
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s/-\}/-\//g;
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s/\[<\]/Lin/g;
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s/\[<([^\],]+)\]/(Lin :< \1)/g;
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# s/\[([^\],]+)\]/(\1 :: Nil)/g;
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s/^([A-Z].*where)/instance \1/g;
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s/^data (.*:\s*\w+)$/\1/g;
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' "$file" > "$output_file"
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fi
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done
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rsync -av done/ port
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