diff options
| -rw-r--r-- | flake.nix | 46 | ||||
| -rw-r--r-- | grammars.nix | 87 |
2 files changed, 113 insertions, 20 deletions
@@ -33,26 +33,32 @@ package = "helix"; }; overrides = { - crateOverrides = common: _: rec { - helix-term = prev: { - # disable fetching and building of tree-sitter grammars in the helix-term build.rs - HELIX_DISABLE_AUTO_GRAMMAR_BUILD = "1"; - buildInputs = (prev.buildInputs or [ ]) ++ [ common.cCompiler.cc.lib ]; - nativeBuildInputs = (prev.nativeBuildInputs or [ ]) ++ [ common.pkgs.makeWrapper ]; - preConfigure = '' - ${prev.preConfigure} - rm -r helix-syntax/languages - ln -s ${helix}/helix-syntax/languages helix-syntax/languages - ln -s "$PWD/helix-syntax/languages" languages - mkdir -p runtime/grammars - ''; - postInstall = '' - ${prev.postInstall or ""} - mkdir -p $out/lib - cp -r runtime $out/lib - wrapProgram "$out/bin/hx" --set HELIX_RUNTIME "$out/lib/runtime" - ''; - }; + crateOverrides = common: _: { + helix-term = prev: + let + inherit (common) pkgs; + grammars = pkgs.callPackage ./grammars.nix { }; + runtimeDir = pkgs.runCommand "helix-runtime" { } '' + mkdir -p $out + ln -s ${common.root}/runtime/* $out + rm -r $out/grammars + ln -s ${grammars} $out/grammars + ''; + in + { + # disable fetching and building of tree-sitter grammars in the helix-term build.rs + HELIX_DISABLE_AUTO_GRAMMAR_BUILD = "1"; + # link languages and theme toml files since helix-term expects them (for tests) + preConfigure = "ln -s ${common.root}/{languages.toml,theme.toml,base16_theme.toml} .."; + buildInputs = (prev.buildInputs or [ ]) ++ [ common.cCompiler.cc.lib ]; + nativeBuildInputs = [ pkgs.makeWrapper ]; + + postFixup = '' + if [ -f "$out/bin/hx" ]; then + wrapProgram "$out/bin/hx" --set HELIX_RUNTIME "${runtimeDir}" + fi + ''; + }; }; shell = common: prev: { packages = prev.packages ++ (with common.pkgs; [ lld_13 lldb cargo-tarpaulin cargo-flamegraph ]); diff --git a/grammars.nix b/grammars.nix new file mode 100644 index 00000000..6dbc05c8 --- /dev/null +++ b/grammars.nix @@ -0,0 +1,87 @@ +{ stdenv, lib, runCommand, yj }: +let + # HACK: nix < 2.6 has a bug in the toml parser, so we convert to JSON + # before parsing + languages-json = runCommand "languages-toml-to-json" { } '' + ${yj}/bin/yj -t < ${./languages.toml} > $out + ''; + languagesConfig = + builtins.fromJSON (builtins.readFile (builtins.toPath languages-json)); + isGitGrammar = (grammar: + builtins.hasAttr "source" grammar && builtins.hasAttr "git" grammar.source + && builtins.hasAttr "rev" grammar.source); + gitGrammars = builtins.filter isGitGrammar languagesConfig.grammar; + buildGrammar = grammar: + let + source = builtins.fetchGit { + url = grammar.source.git; + rev = grammar.source.rev; + allRefs = true; + }; + in stdenv.mkDerivation rec { + # see https://github.com/NixOS/nixpkgs/blob/fbdd1a7c0bc29af5325e0d7dd70e804a972eb465/pkgs/development/tools/parsing/tree-sitter/grammar.nix + + pname = "helix-tree-sitter-${grammar.name}"; + version = grammar.source.rev; + + src = if builtins.hasAttr "subpath" grammar.source then + "${source}/${grammar.source.subpath}" + else + source; + + dontUnpack = true; + dontConfigure = true; + + FLAGS = [ + "-I${src}/src" + "-g" + "-O3" + "-fPIC" + "-fno-exceptions" + "-Wl,-z,relro,-z,now" + ]; + + NAME = grammar.name; + + buildPhase = '' + runHook preBuild + + if [[ -e "$src/src/scanner.cc" ]]; then + $CXX -c "$src/src/scanner.cc" -o scanner.o $FLAGS + elif [[ -e "$src/src/scanner.c" ]]; then + $CC -c "$src/src/scanner.c" -o scanner.o $FLAGS + fi + + $CC -c "$src/src/parser.c" -o parser.o $FLAGS + $CXX -shared -o $NAME.so *.o + + ls -al + + runHook postBuild + ''; + + installPhase = '' + runHook preInstall + mkdir $out + mv $NAME.so $out/ + runHook postInstall + ''; + + # Strip failed on darwin: strip: error: symbols referenced by indirect symbol table entries that can't be stripped + fixupPhase = lib.optionalString stdenv.isLinux '' + runHook preFixup + $STRIP $out/$NAME.so + runHook postFixup + ''; + }; + builtGrammars = builtins.map (grammar: { + inherit (grammar) name; + artifact = buildGrammar grammar; + }) gitGrammars; + grammarLinks = builtins.map (grammar: + "ln -s ${grammar.artifact}/${grammar.name}.so $out/${grammar.name}.so") + builtGrammars; +in runCommand "consolidated-helix-grammars" { } '' + mkdir -p $out + ${builtins.concatStringsSep "\n" grammarLinks} +'' |