[fix] kotlin stdlibs now are obtained from toolchain instead of class…

…path

now its project level lib

review fix

[fix] kotlin stdlibs now are obtained from toolchain instead of classpath


Merge-request: BAZEL-MR-667
Merged-by: Marcin Abramowicz <marcin.abramowicz@jetbrains.com>

aspects/rules/jvm/jvm_info.bzl

@@ -136,8 +136,6 @@ def extract_jvm_info(target, ctx, output_groups, **kwargs):
     resolve_files += compile_jars
     resolve_files += source_jars
 
-    compile_classpath = map(file_location, compile_jars)
-
     javac_opts = getattr(ctx.rule.attr, "javacopts", [])
     jvm_flags = getattr(ctx.rule.attr, "jvm_flags", [])
     args = getattr(ctx.rule.attr, "args", [])
@@ -149,7 +147,6 @@ def extract_jvm_info(target, ctx, output_groups, **kwargs):
     info = create_struct(
         jars = jars,
         generated_jars = generated_jars,
-        compile_classpath = compile_classpath,
         javac_opts = javac_opts,
         jvm_flags = jvm_flags,
         main_class = main_class,

aspects/rules/kt/kt_info.bzl.template

@@ -1,6 +1,6 @@
 load("@${ruleName}//kotlin/internal:defs.bzl", "KtJvmInfo")
 load("@${ruleName}//kotlin/internal:opts.bzl", "KotlincOptions")
-load("//aspects:utils/utils.bzl", "convert_struct_to_dict", "create_proto", "create_struct")
+load("//aspects:utils/utils.bzl", "convert_struct_to_dict", "create_proto", "create_struct", "map", "file_location")
 
 KOTLIN_TOOLCHAIN_TYPE = "@${ruleName}//kotlin/internal:kt_toolchain_type"
 
@@ -21,10 +21,14 @@ def extract_kotlin_info(target, ctx, **kwargs):
     kotlinc_opts_target = getattr(ctx.rule.attr, "kotlinc_opts", None)
     kotlinc_opts = kotlinc_opts_target[KotlincOptions] if kotlinc_opts_target and KotlincOptions in kotlinc_opts_target else toolchain_kotlinc_opts
 
+    stdlibs_files = kotlin_toolchain.jvm_stdlibs.compile_jars.to_list()
+    stdlibs = map(file_location, stdlibs_files)
+
     kotlin_info = dict(
         language_version = language_version,
         api_version = api_version,
         associates = associates_labels,
+        stdlibs = stdlibs,
     )
 
     kotlinc_opts_dict = convert_struct_to_dict(kotlinc_opts)

server/src/main/kotlin/org/jetbrains/bsp/bazel/server/sync/BazelProjectMapper.kt

@@ -30,10 +30,6 @@ import java.nio.file.Paths
 import kotlin.io.path.exists
 import kotlin.io.path.notExists
 
-val KOTLIN_STDLIB_ROOT_EXECUTION_REGEX =
-  """external/(rules_kotlin~.*~rules_kotlin_extensions~|)com_github_jetbrains_kotlin""".toRegex()
-const val KOTLIN_STDLIB_RELATIVE_PATH_PREFIX = "lib/"
-
 class BazelProjectMapper(
   private val languagePluginsService: LanguagePluginsService,
   private val bazelPathsResolver: BazelPathsResolver,
@@ -125,14 +121,34 @@ class BazelProjectMapper(
   }
 
   private fun calculateKotlinStdlibsMapper(targetsToImport: Sequence<TargetInfo>): Map<String, List<Library>> {
-    val projectLevelKotlinStdlibs = calculateProjectLevelKotlinStdlibs(targetsToImport)
-    val rulesKotlinTargets = targetsToImport
-      .filter { targetInfo -> targetInfo.jvmTargetInfo.compileClasspathList.any { it.isKotlinStdlibPath() } }
-      .map { it.id }
-      .toSet()
-    return rulesKotlinTargets.associateWith { listOf(projectLevelKotlinStdlibs) }
+    val projectLevelKotlinStdlibsLibrary = calculateProjectLevelKotlinStdlibsLibrary(targetsToImport)
+    val kotlinTargetsIds = targetsToImport.filter { it.hasKotlinTargetInfo() }.map { it.id }
+
+    return projectLevelKotlinStdlibsLibrary
+      ?.let { stdlibsLibrary -> kotlinTargetsIds.associateWith { listOf(stdlibsLibrary) } }
+      .orEmpty()
+  }
+
+  private fun calculateProjectLevelKotlinStdlibsLibrary(targetsToImport: Sequence<TargetInfo>): Library? {
+    val kotlinStdlibsJars = calculateProjectLevelKotlinStdlibsJars(targetsToImport)
+
+    return if (kotlinStdlibsJars.isNotEmpty()) {
+      Library(
+        label = "rules_kotlin_kotlin-stdlibs",
+        outputs = kotlinStdlibsJars,
+        sources = emptySet(),
+        dependencies = emptyList(),
+      )
+    } else null
   }
 
+  private fun calculateProjectLevelKotlinStdlibsJars(targetsToImport: Sequence<TargetInfo>): Set<URI> =
+    targetsToImport
+      .filter { it.hasKotlinTargetInfo() }
+      .map { it.kotlinTargetInfo.stdlibsList }
+      .flatMap { it.resolveUris() }
+      .toSet()
+
   /**
    * In some cases, the jar dependencies of a target might be injected by bazel or rules and not are not
    * available via `deps` field of a target. For this reason, we read JavaOutputInfo's jdeps file and
@@ -226,23 +242,6 @@ class BazelProjectMapper(
     return Paths.get(lib).fileName.toString().replace("[^0-9a-zA-Z]".toRegex(), "-") + "-" + shaOfPath
   }
 
-  private fun calculateProjectLevelKotlinStdlibs(targets: Sequence<TargetInfo>) =
-    Library(
-      label = "rules_kotlin_kotlin-stdlibs",
-      outputs = targets
-        .flatMap { it.jvmTargetInfo.compileClasspathList }
-        .filter { it.isKotlinStdlibPath() }
-        .map { bazelPathsResolver.resolveUri(it) }
-        .toSet(),
-      sources = emptySet(),
-      dependencies = emptyList(),
-    )
-
-  private fun FileLocation.isKotlinStdlibPath() =
-    KOTLIN_STDLIB_ROOT_EXECUTION_REGEX.matches(this.rootExecutionPathFragment) &&
-      this.relativePath.startsWith(KOTLIN_STDLIB_RELATIVE_PATH_PREFIX)
-
-
   private fun createLibraries(targets: Map<String, TargetInfo>): Map<String, Library> {
     return targets.mapValues { entry ->
       val targetId = entry.key

server/src/main/kotlin/org/jetbrains/bsp/bazel/server/sync/languages/java/JavaLanguagePlugin.kt

@@ -39,7 +39,7 @@ class JavaLanguagePlugin(
                 it.interfaceJarsList + it.binaryJarsList
             }.map(bazelPathsResolver::resolveUri)
             val mainClass = getMainClass(this)
-            val compileClasspath = bazelPathsResolver.resolveUris(compileClasspathList + generatedJarsList.flatMap { it.binaryJarsList }, true)
+            val compileClasspath = bazelPathsResolver.resolveUris(generatedJarsList.flatMap { it.binaryJarsList }, true)
             val runtimeJdk = jdkResolver.resolveJdk(targetInfo)
 
             JavaModule(

server/src/main/kotlin/org/jetbrains/bsp/bazel/server/sync/proto/bsp_target_info.proto

@@ -30,7 +30,6 @@ message JvmOutputs {
 message JvmTargetInfo {
   repeated JvmOutputs jars = 1;
   repeated JvmOutputs generated_jars = 2;
-  repeated FileLocation compile_classpath = 4;
   repeated string javac_opts = 6;
   repeated string jvm_flags = 7;
   string main_class = 8;
@@ -68,6 +67,7 @@ message KotlinTargetInfo {
   string api_version = 2;
   repeated string associates = 3;
   repeated string kotlinc_opts = 4;
+  repeated FileLocation stdlibs = 5;
 }
 
 message PythonTargetInfo {