feat: add tree-sitter-kotlin

Author: itsaky

.gitmodules

@@ -13,3 +13,6 @@
 [submodule "tree-sitter-json/src/main/cpp/grammar"]
 	path = tree-sitter-json/src/main/cpp/grammar
 	url = https://github.com/tree-sitter/tree-sitter-json.git
+[submodule "tree-sitter-kotlin/src/main/cpp/grammar"]
+	path = tree-sitter-kotlin/src/main/cpp/grammar
+	url = https://github.com/fwcd/tree-sitter-kotlin.git

.idea/gradle.xml

@@ -54,6 +54,7 @@ android {
 dependencies {
   testImplementation(project(path = ":tree-sitter-java"))
   testImplementation(project(path = ":tree-sitter-json"))
+  testImplementation(project(path = ":tree-sitter-kotlin"))
   testImplementation(project(path = ":tree-sitter-xml"))
   testImplementation(project(path = ":tree-sitter-python"))
   testImplementation("com.google.truth:truth:1.1.3")

android-tree-sitter/build.gradle.kts

@@ -22,6 +22,7 @@
 
 import com.itsaky.androidide.treesitter.java.TSLanguageJava;
 import com.itsaky.androidide.treesitter.json.TSLanguageJson;
+import com.itsaky.androidide.treesitter.kotlin.TSLanguageKotlin;
 import com.itsaky.androidide.treesitter.python.TSLanguagePython;
 
 import org.junit.Test;
@@ -140,4 +141,24 @@ public void testJsonGrammar() {
       }
     }
   }
+
+  @Test
+  public void testKotlinGrammar() {
+    try (final var parser = new TSParser()) {
+      parser.setLanguage(TSLanguageKotlin.newInstance());
+
+      final var source = "class Main {\n" +
+        "    fun main() {\n" +
+        "        println(\"Hello World\")\n" +
+        "    }\n" +
+        "}";
+
+      try (final var tree = parser.parseString(source)) {
+        final var rootNode = tree.getRootNode();
+        assertThat(rootNode).isNotNull();
+        assertThat(rootNode.getChildCount()).isGreaterThan(0);
+        assertThat(rootNode.getNodeString()).isEqualTo("(source_file (class_declaration (type_identifier) (class_body (function_declaration (simple_identifier) (function_body (statements (call_expression (simple_identifier) (call_suffix (value_arguments (value_argument (line_string_literal)))))))))))");
+      }
+    }
+  }
 }

android-tree-sitter/src/test/java/com/itsaky/androidide/treesitter/ParserTest.java

@@ -27,6 +27,7 @@ public class TreeSitterTest {
     System.load(hostDir + "/libandroid-tree-sitter.so");
     System.load(hostDir + "/libtree-sitter-java.so");
     System.load(hostDir + "/libtree-sitter-json.so");
+    System.load(hostDir + "/libtree-sitter-kotlin.so");
     System.load(hostDir + "/libtree-sitter-xml.so");
     System.load(hostDir + "/libtree-sitter-python.so");
   }

android-tree-sitter/src/test/java/com/itsaky/androidide/treesitter/TreeSitterTest.java

@@ -55,5 +55,6 @@ include ':android-tree-sitter'
 // =========== Grammars ============
 include ':tree-sitter-java'
 include ':tree-sitter-json'
+include ':tree-sitter-kotlin'
 include ':tree-sitter-python'
 include ':tree-sitter-xml'

settings.gradle

@@ -0,0 +1 @@
+/build

tree-sitter-kotlin/.gitignore

@@ -0,0 +1,57 @@
+/*
+ *  This file is part of android-tree-sitter.
+ *
+ *  android-tree-sitter library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2.1 of the License, or (at your option) any later version.
+ *
+ *  android-tree-sitter library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *  along with android-tree-sitter.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import com.itsaky.androidide.treesitter.TreeSitterPlugin
+import com.itsaky.androidide.treesitter.TsGrammarPlugin
+
+plugins {
+  id("com.android.library")
+  id("com.vanniktech.maven.publish.base")
+}
+
+apply {
+  plugin(TreeSitterPlugin::class.java)
+  plugin(TsGrammarPlugin::class.java)
+}
+
+val rootProjDir: String = rootProject.projectDir.absolutePath
+val tsDir = "${rootProjDir}/tree-sitter-lib"
+
+android {
+  namespace = "com.itsaky.androidide.treesitter.kotlin"
+  ndkVersion = "24.0.8215888"
+
+  defaultConfig {
+    externalNativeBuild { cmake { arguments("-DPROJECT_DIR=${rootProjDir}", "-DTS_DIR=${tsDir}") } }
+  }
+
+  buildTypes {
+    release {
+      isMinifyEnabled = false
+      proguardFiles(getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules.pro")
+    }
+  }
+
+  externalNativeBuild {
+    cmake {
+      path = file("src/main/cpp/CMakeLists.txt")
+      version = "3.22.1"
+    }
+  }
+}
+
+dependencies { implementation(project(":android-tree-sitter")) }

tree-sitter-kotlin/build.gradle.kts

@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile