[infra] Use kotlin standard libraries from the toolchain, as opposed to hard coded. (#1225)

* Add stdlib to runtime
* Allow setting std libs
* Set stdlib builder from toolchain
* disable automatically including the stdlib
* Pass stdlibs to mergejdeps
* omit stdlib and reflect from library and import targets
* omit targets
* Fix merge and remove js
* Fix tests that need stdlib
* Fix KotlinJvmTaskExecutorTest.testSimpleGeneratedNonJvmSourcesIgnored to check sources, not inputs
* Keep runtime data for libraries
* Add stblib to jdeps merge

---------

Co-authored-by: Ben Lee <[email protected]>

Author: restingbull

.bazelproject

@@ -18,15 +18,7 @@ directories:
   .
 
 targets:
-  //:all_local_tests
-  # These targets are built for the ide only. Primary purpose is to ensure the builder can build the targets, but it's
-  # also a good way of testing the intellij plugin.
-  //src/main/kotlin/io/bazel/kotlin/builder/tasks:tasks_for_ide
-  //src/main/kotlin/io/bazel/kotlin/builder/utils:utils_for_ide
-  //src/main/kotlin/io/bazel/kotlin/builder/toolchain:toolchain_for_ide
-  //src/main/kotlin/io/bazel/kotlin/compiler:compiler_for_ide
-  //kotlin:stardoc
-  //src/main/starlark/core/repositories:all
+  //...
 
 test_sources:
   src/test/*

docs/kotlin.md

@@ -508,8 +508,8 @@ load("@rules_kotlin//kotlin:core.bzl", "define_kt_toolchain")
 define_kt_toolchain(<a href="#define_kt_toolchain-name">name</a>, <a href="#define_kt_toolchain-language_version">language_version</a>, <a href="#define_kt_toolchain-api_version">api_version</a>, <a href="#define_kt_toolchain-jvm_target">jvm_target</a>, <a href="#define_kt_toolchain-experimental_use_abi_jars">experimental_use_abi_jars</a>,
                     <a href="#define_kt_toolchain-experimental_strict_kotlin_deps">experimental_strict_kotlin_deps</a>, <a href="#define_kt_toolchain-experimental_report_unused_deps">experimental_report_unused_deps</a>,
                     <a href="#define_kt_toolchain-experimental_reduce_classpath_mode">experimental_reduce_classpath_mode</a>, <a href="#define_kt_toolchain-experimental_multiplex_workers">experimental_multiplex_workers</a>, <a href="#define_kt_toolchain-javac_options">javac_options</a>,
-                    <a href="#define_kt_toolchain-kotlinc_options">kotlinc_options</a>, <a href="#define_kt_toolchain-jacocorunner">jacocorunner</a>, <a href="#define_kt_toolchain-exec_compatible_with">exec_compatible_with</a>, <a href="#define_kt_toolchain-target_compatible_with">target_compatible_with</a>,
-                    <a href="#define_kt_toolchain-target_settings">target_settings</a>)
+                    <a href="#define_kt_toolchain-kotlinc_options">kotlinc_options</a>, <a href="#define_kt_toolchain-jvm_stdlibs">jvm_stdlibs</a>, <a href="#define_kt_toolchain-jvm_runtime">jvm_runtime</a>, <a href="#define_kt_toolchain-jacocorunner">jacocorunner</a>, <a href="#define_kt_toolchain-exec_compatible_with">exec_compatible_with</a>,
+                    <a href="#define_kt_toolchain-target_compatible_with">target_compatible_with</a>, <a href="#define_kt_toolchain-target_settings">target_settings</a>)
 </pre>
 
 Define the Kotlin toolchain.
@@ -530,6 +530,8 @@ Define the Kotlin toolchain.
 | <a id="define_kt_toolchain-experimental_multiplex_workers"></a>experimental_multiplex_workers |  <p align="center"> - </p>   |  `None` |
 | <a id="define_kt_toolchain-javac_options"></a>javac_options |  <p align="center"> - </p>   |  `Label("@rules_kotlin//kotlin/internal:default_javac_options")` |
 | <a id="define_kt_toolchain-kotlinc_options"></a>kotlinc_options |  <p align="center"> - </p>   |  `Label("@rules_kotlin//kotlin/internal:default_kotlinc_options")` |
+| <a id="define_kt_toolchain-jvm_stdlibs"></a>jvm_stdlibs |  <p align="center"> - </p>   |  `None` |
+| <a id="define_kt_toolchain-jvm_runtime"></a>jvm_runtime |  <p align="center"> - </p>   |  `None` |
 | <a id="define_kt_toolchain-jacocorunner"></a>jacocorunner |  <p align="center"> - </p>   |  `None` |
 | <a id="define_kt_toolchain-exec_compatible_with"></a>exec_compatible_with |  <p align="center"> - </p>   |  `None` |
 | <a id="define_kt_toolchain-target_compatible_with"></a>target_compatible_with |  <p align="center"> - </p>   |  `None` |

examples/trivial/.bazelrc

@@ -0,0 +1 @@
+test --test_output=streamed

examples/trivial/BUILD

@@ -27,3 +27,16 @@ ktlint_config(
     experimental_rules_enabled = False,
     visibility = ["//visibility:public"],
 )
+
+sh_test(
+    name = "test_execution",
+    srcs = ["test_execution.sh"],
+    args = [
+        "$(location //app:myapp)",
+    ],
+    data = [
+        "//app:myapp",
+        "@bazel_tools//tools/bash/runfiles",
+    ],
+    deps = [],
+)

examples/trivial/app/BUILD.bazel

@@ -25,5 +25,8 @@ ktlint_fix(
 java_binary(
     name = "myapp",
     main_class = "app.MyApp",
+    visibility = [
+        "//visibility:public",
+    ],
     runtime_deps = [":app_lib"],
 )

examples/trivial/test_execution.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+set -e -x
+
+want='{data={foo={name=baz!, age=42}}}'
+got=$($1 | tr -d "\n")
+if [[ "$got" -eq "$want" ]]; then
+  echo "Failed to execute"
+  exit 1
+fi

kotlin/internal/jvm/compile.bzl

@@ -360,11 +360,14 @@ def _run_merge_jdeps_action(ctx, toolchains, jdeps, outputs, deps):
     ctx.actions.run(
         mnemonic = mnemonic,
         inputs = inputs,
-        tools = [toolchains.kt.jdeps_merger.files_to_run],
+        tools = [toolchains.kt.jdeps_merger.files_to_run, toolchains.kt.jvm_stdlibs.compile_jars],
         outputs = [f for f in outputs.values()],
         executable = toolchains.kt.jdeps_merger.files_to_run.executable,
         execution_requirements = toolchains.kt.execution_requirements,
-        arguments = [args],
+        arguments = [
+            ctx.actions.args().add_all(toolchains.kt.builder_args),
+            args,
+        ],
         progress_message = progress_message,
     )
 
@@ -471,6 +474,7 @@ def _run_kt_builder_action(
     """Creates a KotlinBuilder action invocation."""
     kotlinc_options = ctx.attr.kotlinc_opts[KotlincOptions] if ctx.attr.kotlinc_opts else toolchains.kt.kotlinc_options
     javac_options = ctx.attr.javac_opts[JavacOptions] if ctx.attr.javac_opts else toolchains.kt.javac_options
+
     args = _utils.init_args(ctx, rule_kind, associates.module_name, kotlinc_options)
 
     for f, path in outputs.items():
@@ -497,6 +501,7 @@ def _run_kt_builder_action(
         omit_if_empty = True,
         uniquify = True,
     )
+
     args.add_all(
         "--processorpath",
         annotation_processors,
@@ -563,7 +568,7 @@ def _run_kt_builder_action(
             toolchains.kt.execution_requirements,
             {"worker-key-mnemonic": mnemonic},
         ),
-        arguments = [args],
+        arguments = [ctx.actions.args().add_all(toolchains.kt.builder_args), args],
         progress_message = progress_message,
         env = {
             "LC_CTYPE": "en_US.UTF-8",  # For Java source files

kotlin/internal/toolchains.bzl

@@ -1,11 +1,3 @@
-load("@bazel_skylib//rules:common_settings.bzl", "BuildSettingInfo")
-load("@rules_java//java:defs.bzl", "JavaInfo", "java_common")
-load(
-    "//kotlin/internal:defs.bzl",
-    _KT_COMPILER_REPO = "KT_COMPILER_REPO",
-    _TOOLCHAIN_TYPE = "TOOLCHAIN_TYPE",
-)
-
 # Copyright 2018 The Bazel Authors. All rights reserved.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -19,6 +11,13 @@ load(
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
+load("@bazel_skylib//rules:common_settings.bzl", "BuildSettingInfo")
+load("@rules_java//java:defs.bzl", "JavaInfo", "java_common")
+load(
+    "//kotlin/internal:defs.bzl",
+    _KT_COMPILER_REPO = "KT_COMPILER_REPO",
+    _TOOLCHAIN_TYPE = "TOOLCHAIN_TYPE",
+)
 load(
     "//kotlin/internal:opts.bzl",
     "JavacOptions",
@@ -73,6 +72,11 @@ def _kotlin_toolchain_impl(ctx):
         debug = ctx.attr.debug,
         jvm_target = ctx.attr.jvm_target,
         kotlinbuilder = ctx.attr.kotlinbuilder,
+        builder_args = [
+            "--wrapper_script_flag=--main_advice_classpath=%s" % (
+                ":".join([f.path for f in ctx.files.jvm_stdlibs])
+            ),
+        ],
         jdeps_merger = ctx.attr.jdeps_merger,
         kotlin_home = ctx.attr.kotlin_home,
         jvm_stdlibs = java_common.merge(compile_time_providers + runtime_providers),
@@ -122,7 +126,7 @@ _kt_toolchain = rule(
         ),
         "language_version": attr.string(
             doc = "this is the -language_version flag [see](https://kotlinlang.org/docs/reference/compatibility.html)",
-            default = "2.0",
+            default = "1.9",
             values = [
                 "1.1",
                 "1.2",
@@ -138,7 +142,7 @@ _kt_toolchain = rule(
         ),
         "api_version": attr.string(
             doc = "this is the -api_version flag [see](https://kotlinlang.org/docs/reference/compatibility.html).",
-            default = "2.0",
+            default = "1.9",
             values = [
                 "1.1",
                 "1.2",
@@ -161,22 +165,11 @@ _kt_toolchain = rule(
         ),
         "jvm_runtime": attr.label_list(
             doc = "The implicit jvm runtime libraries. This is internal.",
-            default = [
-                Label("//kotlin/compiler:kotlin-stdlib"),
-            ],
             providers = [JavaInfo],
             cfg = "target",
         ),
         "jvm_stdlibs": attr.label_list(
             doc = "The jvm stdlibs. This is internal.",
-            default = [
-                Label("//kotlin/compiler:annotations"),
-                Label("//kotlin/compiler:kotlin-stdlib"),
-                Label("//kotlin/compiler:kotlin-stdlib-jdk7"),
-                # JDK8 is being added blindly but I think we will probably not support bytecode levels 1.6 when the
-                # repo stabelizes so this should be fine.
-                Label("//kotlin/compiler:kotlin-stdlib-jdk8"),
-            ],
             providers = [JavaInfo],
             cfg = "target",
         ),
@@ -301,6 +294,8 @@ def define_kt_toolchain(
         experimental_multiplex_workers = None,
         javac_options = Label("//kotlin/internal:default_javac_options"),
         kotlinc_options = Label("//kotlin/internal:default_kotlinc_options"),
+        jvm_stdlibs = None,
+        jvm_runtime = None,
         jacocorunner = None,
         exec_compatible_with = None,
         target_compatible_with = None,
@@ -327,6 +322,15 @@ def define_kt_toolchain(
         kotlinc_options = kotlinc_options,
         visibility = ["//visibility:public"],
         jacocorunner = jacocorunner,
+        jvm_stdlibs = jvm_stdlibs if jvm_stdlibs != None else [
+            Label("//kotlin/compiler:annotations"),
+            Label("//kotlin/compiler:kotlin-stdlib"),
+            Label("//kotlin/compiler:kotlin-stdlib-jdk7"),
+            Label("//kotlin/compiler:kotlin-stdlib-jdk8"),
+        ],
+        jvm_runtime = jvm_runtime if jvm_runtime != None else [
+            Label("//kotlin/compiler:kotlin-stdlib"),
+        ],
     )
     native.toolchain(
         name = name,

src/main/kotlin/io/bazel/kotlin/builder/BUILD

@@ -17,13 +17,11 @@ java_library(
     name = "builder",
     srcs = glob(["*.java"]),
     visibility = ["//src:__subpackages__"],
-    runtime_deps = [
-        "//kotlin/compiler:kotlin-stdlib-jdk7",
-        "//kotlin/compiler:kotlin-stdlib-jdk8",
-    ],
     deps = [
         "//kotlin/compiler:annotations",
         "//kotlin/compiler:kotlin-stdlib",
+        "//kotlin/compiler:kotlin-stdlib-jdk7",
+        "//kotlin/compiler:kotlin-stdlib-jdk8",
         "//src/main/kotlin/io/bazel/kotlin/builder/tasks",
         "//src/main/kotlin/io/bazel/kotlin/builder/toolchain",
         "//src/main/kotlin/io/bazel/kotlin/builder/utils",

src/main/kotlin/io/bazel/kotlin/test/BazelIntegrationTestRunner.kt

@@ -90,6 +90,7 @@ object BazelIntegrationTestRunner {
             "test",
             version.workspaceFlag(bzlmod),
             "--override_repository=rules_kotlin=$unpack",
+            "--test_output=all",
             "//...",
           ).onFailThrow()
         }