bendns' repos / helix
Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'grammars.nix')
-rw-r--r--grammars.nix135
1 files changed, 57 insertions, 78 deletions
diff --git a/grammars.nix b/grammars.nix
index 1b4da224..ada14aaf 100644
--- a/grammars.nix
+++ b/grammars.nix
@@ -1,17 +1,17 @@
-{
- stdenv,
- lib,
- runCommand,
- includeGrammarIf ? _: true,
- grammarOverlays ? [],
- ...
-}: let
- languagesConfig =
- builtins.fromTOML (builtins.readFile ./languages.toml);
- isGitGrammar = grammar:
- builtins.hasAttr "source" grammar
- && builtins.hasAttr "git" grammar.source
- && builtins.hasAttr "rev" grammar.source;
+{ 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 = if lib.versionAtLeast builtins.nixVersion "2.6.0" then
+ builtins.fromTOML (builtins.readFile ./languages.toml)
+ else
+ builtins.fromJSON (builtins.readFile (builtins.toPath languages-json));
+ isGitGrammar = (grammar:
+ builtins.hasAttr "source" grammar && builtins.hasAttr "git" grammar.source
+ && builtins.hasAttr "rev" grammar.source);
isGitHubGrammar = grammar: lib.hasPrefix "https://github.com" grammar.source.git;
toGitHubFetcher = url: let
match = builtins.match "https://github\.com/([^/]*)/([^/]*)/?" url;
@@ -19,53 +19,40 @@
owner = builtins.elemAt match 0;
repo = builtins.elemAt match 1;
};
- # If `use-grammars.only` is set, use only those grammars.
- # If `use-grammars.except` is set, use all other grammars.
- # Otherwise use all grammars.
- useGrammar = grammar:
- if languagesConfig ? use-grammars.only
- then builtins.elem grammar.name languagesConfig.use-grammars.only
- else if languagesConfig ? use-grammars.except
- then !(builtins.elem grammar.name languagesConfig.use-grammars.except)
- else true;
- grammarsToUse = builtins.filter useGrammar languagesConfig.grammar;
- gitGrammars = builtins.filter isGitGrammar grammarsToUse;
- buildGrammar = grammar: let
- gh = toGitHubFetcher grammar.source.git;
- sourceGit = builtins.fetchTree {
- type = "git";
- url = grammar.source.git;
- rev = grammar.source.rev;
- ref = grammar.source.ref or "HEAD";
- shallow = true;
- };
- sourceGitHub = builtins.fetchTree {
- type = "github";
- owner = gh.owner;
- repo = gh.repo;
- inherit (grammar.source) rev;
- };
- source =
- if isGitHubGrammar grammar
- then sourceGitHub
- else sourceGit;
- in
- stdenv.mkDerivation {
+ gitGrammars = builtins.filter isGitGrammar languagesConfig.grammar;
+ buildGrammar = grammar:
+ let
+ gh = toGitHubFetcher grammar.source.git;
+ sourceGit = builtins.fetchTree {
+ type = "git";
+ url = grammar.source.git;
+ rev = grammar.source.rev;
+ ref = grammar.source.ref or "HEAD";
+ shallow = true;
+ };
+ sourceGitHub = builtins.fetchTree {
+ type = "github";
+ owner = gh.owner;
+ repo = gh.repo;
+ inherit (grammar.source) rev;
+ };
+ source = if isGitHubGrammar grammar then sourceGitHub else sourceGit;
+ 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 = source;
- sourceRoot =
- if builtins.hasAttr "subpath" grammar.source
- then "source/${grammar.source.subpath}"
- else "source";
+ src = if builtins.hasAttr "subpath" grammar.source then
+ "${source}/${grammar.source.subpath}"
+ else
+ source;
+ dontUnpack = true;
dontConfigure = true;
FLAGS = [
- "-Isrc"
+ "-I${src}/src"
"-g"
"-O3"
"-fPIC"
@@ -78,15 +65,17 @@
buildPhase = ''
runHook preBuild
- if [[ -e src/scanner.cc ]]; then
- $CXX -c src/scanner.cc -o scanner.o $FLAGS
- elif [[ -e src/scanner.c ]]; then
- $CC -c src/scanner.c -o scanner.o $FLAGS
+ if [[ -e "$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/parser.c -o parser.o $FLAGS
+ $CC -c "$src/src/parser.c" -o parser.o $FLAGS
$CXX -shared -o $NAME.so *.o
+ ls -al
+
runHook postBuild
'';
@@ -104,24 +93,14 @@
runHook postFixup
'';
};
- grammarsToBuild = builtins.filter includeGrammarIf gitGrammars;
- builtGrammars =
- builtins.map (grammar: {
- inherit (grammar) name;
- value = buildGrammar grammar;
- })
- grammarsToBuild;
- extensibleGrammars =
- lib.makeExtensible (self: builtins.listToAttrs builtGrammars);
- overlaidGrammars =
- lib.pipe extensibleGrammars
- (builtins.map (overlay: grammar: grammar.extend overlay) grammarOverlays);
- grammarLinks =
- lib.mapAttrsToList
- (name: artifact: "ln -s ${artifact}/${name}.so $out/${name}.so")
- (lib.filterAttrs (n: v: lib.isDerivation v) overlaidGrammars);
-in
- runCommand "consolidated-helix-grammars" {} ''
- mkdir -p $out
- ${builtins.concatStringsSep "\n" grammarLinks}
- ''
+ 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}
+''