646b892680
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81 lines
1.5 KiB
Nix
81 lines
1.5 KiB
Nix
{
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stdenv,
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nodejs,
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tree-sitter,
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lib,
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}:
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# Build a parser grammar and put the resulting shared object in `$out/parser`
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{
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# language name
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language,
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version,
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src,
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location ? null,
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generate ? false,
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...
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}@args:
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stdenv.mkDerivation (
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{
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pname = "${language}-grammar";
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inherit src version;
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nativeBuildInputs = lib.optionals generate [
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nodejs
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tree-sitter
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];
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CFLAGS = [
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"-Isrc"
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"-O2"
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];
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CXXFLAGS = [
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"-Isrc"
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"-O2"
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];
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stripDebugList = [ "parser" ];
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configurePhase =
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lib.optionalString (location != null) ''
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cd ${location}
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''
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+ lib.optionalString generate ''
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tree-sitter generate
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'';
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# When both scanner.{c,cc} exist, we should not link both since they may be the same but in
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# different languages. Just randomly prefer C++ if that happens.
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buildPhase = ''
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runHook preBuild
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if [[ -e src/scanner.cc ]]; then
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$CXX -fPIC -c src/scanner.cc -o scanner.o $CXXFLAGS
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elif [[ -e src/scanner.c ]]; then
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$CC -fPIC -c src/scanner.c -o scanner.o $CFLAGS
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fi
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$CC -fPIC -c src/parser.c -o parser.o $CFLAGS
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rm -rf parser
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$CXX -shared -o parser *.o
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runHook postBuild
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'';
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installPhase = ''
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runHook preInstall
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mkdir $out
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mv parser $out/
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if [[ -d queries ]]; then
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cp -r queries $out
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fi
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runHook postInstall
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'';
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}
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// removeAttrs args [
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"language"
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"location"
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"generate"
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]
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)
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