Added basic implementation of TSQueryCursor

Author: itsaky

android-tree-sitter/src/main/java/com/itsaky/androidide/treesitter/TSQueryCursor.java

@@ -0,0 +1,31 @@
+package com.itsaky.androidide.treesitter;
+
+/**
+ * @author Akash Yadav
+ */
+public class TSQueryCursor implements AutoCloseable {
+
+  final long pointer;
+
+  public TSQueryCursor() {
+    this.pointer = Native.newCursor();
+  }
+
+  /** Start running the given query on the given node. */
+  public void exec(TSQuery query, TSNode node) {
+    Native.exec(this.pointer, query.pointer, node);
+  }
+
+  @Override
+  public void close() throws Exception {
+    Native.delete(this.pointer);
+  }
+
+  private static class Native {
+    public static native long newCursor();
+
+    public static native void delete(long cursor);
+
+    public static native void exec(long cursor, long query, TSNode node);
+  }
+}

android-tree-sitter/src/main/jniLibs/arm64-v8a/libts.so

@@ -0,0 +1,21 @@
+package com.itsaky.androidide.treesitter;
+
+import org.junit.Test;
+
+/**
+ * @author Akash Yadav
+ */
+public class QueryTest extends TestBase {
+
+  @Test
+  public void test() throws Exception {
+    try (final var parser = new TSParser()) {
+      parser.setLanguage(TSLanguages.java());
+      try (final var tree = parser.parseString("public class MyClass { int x = 0; }");
+          final var query = new TSQuery(tree.getLanguage(), "(class_body)");
+          final var cursor = new TSQueryCursor()) {
+        cursor.exec(query, tree.getRootNode());
+      }
+    }
+  }
+}

android-tree-sitter/src/main/jniLibs/armeabi-v7a/libts.so

@@ -4,7 +4,7 @@ set -eu
 
 script_dir=$(realpath $(dirname $0))
 
-for header in TSLanguages.Native TSLanguage.Native TSParser.Native TSTreeCursor.Native TSTree.Native TSQuery.Native TSNode
+for header in TSLanguages.Native TSLanguage.Native TSParser.Native TSTreeCursor.Native TSTree.Native TSQuery.Native TSQueryCursor.Native TSNode
 do
   javah -d $script_dir/lib -classpath ${script_dir}/android-tree-sitter/src/main/java com.itsaky.androidide.treesitter.${header}
 done

android-tree-sitter/src/main/jniLibs/x86/libts.so

@@ -1,6 +1,9 @@
 #include "com_itsaky_androidide_treesitter_TSQuery_Native.h"
 #include "ts_utils.h"
 
+void fillQuery(JNIEnv*, jobject, uint32_t, TSQueryError);
+jint getErrorType(TSQueryError);
+
 JNIEXPORT jlong JNICALL
 Java_com_itsaky_androidide_treesitter_TSQuery_00024Native_newQuery(
     JNIEnv* env, jclass self, jobject queryObject, jlong language,

android-tree-sitter/src/main/jniLibs/x86_64/libts.so

@@ -0,0 +1,17 @@
+#include "ts_utils.h"
+#include "com_itsaky_androidide_treesitter_TSQueryCursor_Native.h"
+
+JNIEXPORT jlong JNICALL Java_com_itsaky_androidide_treesitter_TSQueryCursor_00024Native_newCursor
+  (JNIEnv* env, jclass self) {
+    return (jlong) ts_query_cursor_new();
+  }
+
+JNIEXPORT void JNICALL Java_com_itsaky_androidide_treesitter_TSQueryCursor_00024Native_delete
+  (JNIEnv* env, jclass self, jlong cursor) {
+    ts_query_cursor_delete((TSQueryCursor*) cursor);
+  }
+
+JNIEXPORT void JNICALL Java_com_itsaky_androidide_treesitter_TSQueryCursor_00024Native_exec
+  (JNIEnv* env, jclass self, jlong cursor, jlong query, jobject node) {
+    ts_query_cursor_exec((TSQueryCursor*) cursor, (TSQuery*) query, _unmarshalNode(env, node));
+  }