build: do not build tree-sitter in configuration phase

Author: itsaky

build.gradle.kts

@@ -16,6 +16,8 @@
  */
 
 import com.android.build.gradle.BaseExtension
+import com.itsaky.androidide.treesitter.BuildTreeSitterTask
+import com.itsaky.androidide.treesitter.CleanTreeSitterBuildTask
 import com.itsaky.androidide.treesitter.projectVersionCode
 import com.vanniktech.maven.publish.AndroidSingleVariantLibrary
 import com.vanniktech.maven.publish.MavenPublishBaseExtension
@@ -66,7 +68,12 @@ subprojects {
   }
 }
 
+tasks.register<BuildTreeSitterTask>("buildTreeSitter")
+
+tasks.register<CleanTreeSitterBuildTask>("cleanTreeSitterBuild")
+
 tasks.register<Delete>("clean").configure {
+  dependsOn("cleanTreeSitterBuild")
   delete(rootProject.buildDir)
   delete(rootProject.file("build/host"))
   delete(rootProject.file("tree-sitter-lib/cli/build"))

buildSrc/build.gradle.kts

@@ -26,4 +26,6 @@ repositories {
 dependencies {
   implementation(gradleApi())
   implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8")
+
+  compileOnly("com.android.tools.build:gradle:8.0.0")
 }

buildSrc/src/main/java/com/itsaky/androidide/treesitter/BuildTreeSitterTask.kt

@@ -0,0 +1,49 @@
+/*
+ *  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/>.
+ */
+
+package com.itsaky.androidide.treesitter
+
+import java.io.File
+import org.gradle.api.DefaultTask
+import org.gradle.api.tasks.TaskAction
+
+/**
+ * Task for building the tree-sitter lib.
+ *
+ * @author Akash Yadav
+ */
+abstract class BuildTreeSitterTask : DefaultTask() {
+
+  @TaskAction
+  fun buildTsCli() {
+    if (!BUILD_TS_CLI_FROM_SOURCE) {
+      project.logger.warn(
+        "Skipping tree-sitter-cli build as $ENV_TS_CLI_BUILD_FROM_SOURCE is set to 'false'")
+      return
+    }
+
+    var cliDir = project.rootProject.file("tree-sitter-lib/cli")
+    var buildDir = File(cliDir, "build")
+
+    val cmd = arrayOf("cargo", "b", "--target-dir", buildDir.absolutePath, "--release")
+
+    project.logger.info(
+      "Building tree-sitter-cli with command ${cmd.joinToString(separator = " ")}")
+
+    project.executeCommand(cliDir.absolutePath, command = cmd)
+  }
+}

buildSrc/src/main/java/com/itsaky/androidide/treesitter/CleanTreeSitterBuildTask.kt

@@ -0,0 +1,35 @@
+/*
+ *  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/>.
+ */
+
+package com.itsaky.androidide.treesitter
+
+import org.gradle.api.DefaultTask
+import org.gradle.api.tasks.Delete
+import org.gradle.api.tasks.TaskAction
+
+/**
+ * Task for cleaning tree-sitter lib build.
+ *
+ * @author Akash Yadav
+ */
+abstract class CleanTreeSitterBuildTask : Delete() {
+
+  @TaskAction
+  fun doClean() {
+    delete(project.rootProject.file("tree-sitter-lib/cli/build"))
+  }
+}

buildSrc/src/main/java/com/itsaky/androidide/treesitter/TreeSitterPlugin.kt

@@ -22,6 +22,7 @@ import org.gradle.api.Project
 import org.gradle.api.tasks.Delete
 import org.gradle.api.tasks.compile.JavaCompile
 import org.gradle.kotlin.dsl.create
+import org.gradle.kotlin.dsl.maybeCreate
 import java.io.File
 
 /**
@@ -31,36 +32,18 @@ import java.io.File
  */
 class TreeSitterPlugin : Plugin<Project> {
   override fun apply(target: Project) {
-    target.let { project ->
-      project.tasks.register("buildForHost", BuildForHostTask::class.java) {
+    target.run {
+      tasks.register("buildForHost", BuildForHostTask::class.java) {
+        dependsOn(rootProject.tasks.getByName("buildTreeSitter"))
         libName = project.name
       }
 
-      project.tasks.create("cleanHostBuild", type = Delete::class) {
+      tasks.create("cleanHostBuild", type = Delete::class) {
         delete("src/main/cpp/host-build")
       }
 
-      project.tasks.named("clean").configure { dependsOn("cleanHostBuild") }
-      project.tasks.withType(JavaCompile::class.java) { dependsOn("buildForHost") }
+      tasks.named("clean").configure { dependsOn("cleanHostBuild") }
+      tasks.named("preBuild") { dependsOn("buildForHost") }
     }
-
-    buildTsCli(project = target)
-  }
-
-  private fun buildTsCli(project: Project) {
-    if (!BUILD_TS_CLI_FROM_SOURCE) {
-      project.logger.warn("Skipping tree-sitter-cli build as $ENV_TS_CLI_BUILD_FROM_SOURCE is set to 'false'")
-      return
-    }
-
-    var cliDir = project.rootProject.file("tree-sitter-lib/cli")
-    var buildDir = File(cliDir, "build")
-
-    val cmd = arrayOf("cargo", "b", "--target-dir", buildDir.absolutePath, "--release")
-
-    project.logger.info(
-      "Building tree-sitter-cli with command ${cmd.joinToString(separator = " ")}")
-
-    project.executeCommand(cliDir.absolutePath, command = cmd)
   }
 }

buildSrc/src/main/java/com/itsaky/androidide/treesitter/TsGrammarPlugin.kt

@@ -21,6 +21,7 @@ import java.io.File
 import org.gradle.api.Plugin
 import org.gradle.api.Project
 import org.gradle.api.logging.LogLevel.LIFECYCLE
+import org.gradle.api.tasks.compile.JavaCompile
 
 /**
  * Plugin applied to grammar modules.
@@ -30,7 +31,17 @@ import org.gradle.api.logging.LogLevel.LIFECYCLE
 class TsGrammarPlugin : Plugin<Project> {
 
   override fun apply(target: Project) {
-    generateGrammar(target)
+    target.run {
+      tasks.register("generateTreeSitterGrammar") {
+        doLast {
+          generateGrammar(project = project)
+        }
+      }
+
+      tasks.withType(JavaCompile::class.java) {
+        dependsOn("generateTreeSitterGrammar")
+      }
+    }
   }
 
   fun generateGrammar(project: Project) {
@@ -59,7 +70,8 @@ class TsGrammarPlugin : Plugin<Project> {
     if (buildTimestamp.exists()) {
       buildTimestamp.setLastModified(System.currentTimeMillis())
     } else {
-      buildTimestamp.createNewFile()
+      buildTimestamp.parentFile.mkdirs()
+      buildTimestamp.bufferedWriter().use { it.write("Tree Siter ${project.name} build timestamp") }
     }
   }
 }