Update tree-sitter to 0.21.0

.editorconfig

@@ -0,0 +1,39 @@
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.{json,toml,yml,gyp}]
+indent_style = space
+indent_size = 2
+
+[*.js]
+indent_style = space
+indent_size = 2
+
+[*.rs]
+indent_style = space
+indent_size = 4
+
+[*.{c,cc,h}]
+indent_style = space
+indent_size = 4
+
+[*.{py,pyi}]
+indent_style = space
+indent_size = 4
+
+[*.swift]
+indent_style = space
+indent_size = 4
+
+[*.go]
+indent_style = tab
+indent_size = 8
+
+[Makefile]
+indent_style = tab
+indent_size = 8

.github/workflows/sync.yml

@@ -31,10 +31,14 @@ jobs:
         id: verify-changed-files
         with:
           files: |
+            bindings/c/tree-sitter-scala.h
+            bindings/c/tree-sitter-scala.pc.in
             grammar.js
             src/grammar.json
             src/node-types.json
             src/parser.c
+            src/tree_sitter/alloc.h
+            src/tree_sitter/array.h
             src/tree_sitter/parser.h
 
       - name: Commit changes if necessary

Cargo.toml

@@ -1,11 +1,11 @@
 [package]
 name = "tree-sitter-scala"
 description = "scala grammar for the tree-sitter parsing library"
-version = "0.20.0"
+version = "0.21.0"
 keywords = ["incremental", "parsing", "scala"]
 categories = ["parsing", "text-editors"]
 repository = "https://github.com/tree-sitter/tree-sitter-scala"
-edition = "2018"
+edition = "2021"
 license = "MIT"
 
 build = "bindings/rust/build.rs"
@@ -20,7 +20,7 @@ include = [
 path = "bindings/rust/lib.rs"
 
 [dependencies]
-tree-sitter = "0.20.7"
+tree-sitter = "0.21.0"
 
 [build-dependencies]
 cc = "1.0"

binding.gyp

@@ -2,18 +2,20 @@
   "targets": [
     {
       "target_name": "tree_sitter_scala_binding",
+      "dependencies": [
+        "<!(node -p \"require('node-addon-api').targets\"):node_addon_api_except",
+      ],
       "include_dirs": [
-        "<!(node -e \"require('nan')\")",
-        "src"
+        "src",
       ],
       "sources": [
-        "src/parser.c",
         "bindings/node/binding.cc",
-        "src/scanner.c"
+        "src/parser.c",
+        "src/scanner.c",
       ],
       "cflags_c": [
-        "-std=c99",
-      ]
+        "-std=c11",
+      ],
     }
   ]
 }

bindings/node/binding.cc

@@ -1,28 +1,20 @@
-#include "tree_sitter/parser.h"
-#include <node.h>
-#include "nan.h"
+#include <napi.h>
 
-using namespace v8;
+typedef struct TSLanguage TSLanguage;
 
-extern "C" TSLanguage * tree_sitter_scala();
+extern "C" TSLanguage *tree_sitter_scala();
 
-namespace {
+// "tree-sitter", "language" hashed with BLAKE2
+const napi_type_tag LANGUAGE_TYPE_TAG = {
+  0x8AF2E5212AD58ABF, 0xD5006CAD83ABBA16
+};
 
-NAN_METHOD(New) {}
-
-void Init(Local<Object> exports, Local<Object> module) {
-  Local<FunctionTemplate> tpl = Nan::New<FunctionTemplate>(New);
-  tpl->SetClassName(Nan::New("Language").ToLocalChecked());
-  tpl->InstanceTemplate()->SetInternalFieldCount(1);
-
-  Local<Function> constructor = Nan::GetFunction(tpl).ToLocalChecked();
-  Local<Object> instance = constructor->NewInstance(Nan::GetCurrentContext()).ToLocalChecked();
-  Nan::SetInternalFieldPointer(instance, 0, tree_sitter_scala());
-
-  Nan::Set(instance, Nan::New("name").ToLocalChecked(), Nan::New("scala").ToLocalChecked());
-  Nan::Set(module, Nan::New("exports").ToLocalChecked(), instance);
+Napi::Object Init(Napi::Env env, Napi::Object exports) {
+    exports["name"] = Napi::String::New(env, "scala");
+    auto language = Napi::External<TSLanguage>::New(env, tree_sitter_scala());
+    language.TypeTag(&LANGUAGE_TYPE_TAG);
+    exports["language"] = language;
+    return exports;
 }
 
-NODE_MODULE(tree_sitter_scala_binding, Init)
-
-}  // namespace
+NODE_API_MODULE(tree_sitter_scala_binding, Init)

bindings/node/index.d.ts

@@ -0,0 +1,28 @@
+type BaseNode = {
+  type: string;
+  named: boolean;
+};
+
+type ChildNode = {
+  multiple: boolean;
+  required: boolean;
+  types: BaseNode[];
+};
+
+type NodeInfo =
+  | (BaseNode & {
+      subtypes: BaseNode[];
+    })
+  | (BaseNode & {
+      fields: { [name: string]: ChildNode };
+      children: ChildNode[];
+    });
+
+type Language = {
+  name: string;
+  language: unknown;
+  nodeTypeInfo: NodeInfo[];
+};
+
+declare const language: Language;
+export = language;

bindings/node/index.js

@@ -1,18 +1,6 @@
-try {
-  module.exports = require("../../build/Release/tree_sitter_scala_binding");
-} catch (error1) {
-  if (error1.code !== 'MODULE_NOT_FOUND') {
-    throw error1;
-  }
-  try {
-    module.exports = require("../../build/Debug/tree_sitter_scala_binding");
-  } catch (error2) {
-    if (error2.code !== 'MODULE_NOT_FOUND') {
-      throw error2;
-    }
-    throw error1
-  }
-}
+const root = require("path").join(__dirname, "..", "..");
+
+module.exports = require("node-gyp-build")(root);
 
 try {
   module.exports.nodeTypeInfo = require("../../src/node-types.json");

bindings/rust/lib.rs

@@ -6,7 +6,7 @@
 //! ```
 //! let code = "";
 //! let mut parser = tree_sitter::Parser::new();
-//! parser.set_language(tree_sitter_scala::language()).expect("Error loading scala grammar");
+//! parser.set_language(&tree_sitter_scala::language()).expect("Error loading scala grammar");
 //! let tree = parser.parse(code, None).unwrap();
 //! ```
 //!
@@ -46,7 +46,7 @@ mod tests {
     fn test_can_load_grammar() {
         let mut parser = tree_sitter::Parser::new();
         parser
-            .set_language(super::language())
+            .set_language(&super::language())
             .expect("Error loading scala language");
     }
 }

package.json

@@ -3,23 +3,44 @@
   "version": "0.20.0",
   "description": "Scala grammar for tree-sitter",
   "main": "bindings/node",
+  "types": "bindings/node",
   "keywords": [
     "parser",
     "scala"
   ],
+  "files": [
+    "grammar.js",
+    "binding.gyp",
+    "prebuilds/**",
+    "bindings/node/*",
+    "queries/*",
+    "src/**"
+  ],
   "author": "Max Brunsfeld",
   "license": "MIT",
   "dependencies": {
-    "nan": "^2.14.1"
+    "node-addon-api": "^7.1.0",
+    "node-gyp-build": "^4.8.0"
+  },
+  "peerDependencies": {
+    "tree-sitter": "0.21.0"
+  },
+  "peerDependenciesMeta": {
+    "tree_sitter": {
+      "optional": true
+    }
   },
   "devDependencies": {
-    "tree-sitter-cli": "0.20.7",
-    "prettier": "3.0.0-alpha.6"
+    "tree-sitter-cli": "0.21.0",
+    "prettier": "3.0.0-alpha.6",
+    "prebuildify": "^6.0.0"
   },
   "scripts": {
     "build": "tree-sitter generate && node-gyp build",
     "test": "tree-sitter test && tree-sitter parse examples/*.scala --quiet --time",
-    "format": "prettier --write --ignore-unknown grammar.js"
+    "format": "prettier --write --ignore-unknown grammar.js",
+    "install": "node-gyp-build",
+    "prebuildify": "prebuildify --napi --strip"
   },
   "tree-sitter": [
     {

queries/scala/highlights.scm

@@ -1,5 +1,11 @@
 ; CREDITS @stumash ([email protected])
 
+(field_expression field: (identifier) @property)
+(field_expression value: (identifier) @type
+ (#match? @type "^[A-Z]"))
+
+(type_identifier) @type
+
 (class_definition
   name: (identifier) @type)
 
@@ -20,7 +26,7 @@
 
 ;; variables
 
-(class_parameter 
+(class_parameter
   name: (identifier) @parameter)
 
 (self_type (identifier) @parameter)
@@ -33,8 +39,6 @@
 (type_definition
   name: (type_identifier) @type.definition)
 
-(type_identifier) @type
-
 ;; val/var definitions/declarations
 
 (val_definition
@@ -49,14 +53,6 @@
 (var_declaration
   name: (identifier) @variable)
 
-; method definition
-
-(function_declaration
-      name: (identifier) @method)
-
-(function_definition
-      name: (identifier) @method)
-
 ; imports/exports
 
 (import_declaration
@@ -110,11 +106,15 @@
 (binding
   name: (identifier) @parameter)
 
-; expressions
+; method definition
 
-(field_expression field: (identifier) @property)
-(field_expression value: (identifier) @type
- (#match? @type "^[A-Z]"))
+(function_declaration
+      name: (identifier) @method)
+
+(function_definition
+      name: (identifier) @method)
+
+; expressions
 
 (infix_expression operator: (identifier) @operator)
 (infix_expression operator: (operator_identifier) @operator)
@@ -235,8 +235,8 @@
 
 "return" @keyword.return
 
-(comment) @comment @spell
-(block_comment) @comment @spell
+(comment) @spell @comment
+(block_comment) @spell @comment
 
 ;; `case` is a conditional keyword in case_block
 

script/smoke_test.sh

@@ -35,7 +35,7 @@ run_tree_sitter () {
     echo "Report written to $report_file"
   fi
 
-  actual=$(echo "$out" | grep 'success percentage:' | rev | cut -d' ' -f1 | rev | sed 's/%//g' )
+  actual=$(echo "$out" | grep 'success percentage:' | rev | cut -d' ' -f5 | rev | sed 's/;//g' | sed 's/%//g' )
   echo "$actual"
   if (( $(echo "$actual >= $expected" |bc -l) )); then
     # See https://docs.github.com/en/actions/using-workflows/workflow-commands-for-github-actions#example-creating-an-annotation-for-an-error

test/highlight/scala3.scala

@@ -117,7 +117,7 @@ object A:
 //     ^type
 
   ::(123)
-//^function.call
+//^operator
 //   ^number
 
 object bla: