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60 lines
1.4 KiB
60 lines
1.4 KiB
{ stdenv
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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 `$out/parser`
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{
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# language name
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language
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# version of tree-sitter
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, version
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# source for the language grammar
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, source
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, location ? null
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}:
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stdenv.mkDerivation rec {
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pname = "${language}-grammar";
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inherit version;
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src = if location == null then source else "${source}/${location}";
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buildInputs = [ tree-sitter ];
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dontUnpack = true;
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dontConfigure = true;
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CFLAGS = [ "-I${src}/src" "-O2" ];
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CXXFLAGS = [ "-I${src}/src" "-O2" ];
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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 "$src/src/scanner.cc" ]]; then
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$CXX -c "$src/src/scanner.cc" -o scanner.o $CXXFLAGS
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elif [[ -e "$src/src/scanner.c" ]]; then
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$CC -c "$src/src/scanner.c" -o scanner.o $CFLAGS
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fi
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$CC -c "$src/src/parser.c" -o parser.o $CFLAGS
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$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 $out/
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runHook postInstall
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'';
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# Strip failed on darwin: strip: error: symbols referenced by indirect symbol table entries that can't be stripped
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fixupPhase = lib.optionalString stdenv.isLinux ''
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runHook preFixup
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$STRIP $out/parser
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runHook postFixup
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'';
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}
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