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