Export a ScalaInfo provider

Author: Jaden Peterson

scala/private/phases/phase_scalainfo_provider.bzl

@@ -0,0 +1,14 @@
+load("//scala:providers.bzl", "ScalaInfo")
+
+def _phase_scalainfo_provider_implementation(contains_macros):
+    return struct(
+        external_providers = {
+            "ScalaInfo": ScalaInfo(contains_macros = contains_macros),
+        },
+    )
+
+def phase_scalainfo_provider_macro(ctx, p):
+    return _phase_scalainfo_provider_implementation(contains_macros = True)
+
+def phase_scalainfo_provider_non_macro(ctx, p):
+    return _phase_scalainfo_provider_implementation(contains_macros = False)

scala/private/phases/phases.bzl

@@ -7,18 +7,6 @@ load(
     _extras_phases = "extras_phases",
     _run_phases = "run_phases",
 )
-load(
-    "@io_bazel_rules_scala//scala/private:phases/phase_write_executable.bzl",
-    _phase_write_executable_common = "phase_write_executable_common",
-    _phase_write_executable_junit_test = "phase_write_executable_junit_test",
-    _phase_write_executable_repl = "phase_write_executable_repl",
-    _phase_write_executable_scalatest = "phase_write_executable_scalatest",
-)
-load(
-    "@io_bazel_rules_scala//scala/private:phases/phase_java_wrapper.bzl",
-    _phase_java_wrapper_common = "phase_java_wrapper_common",
-    _phase_java_wrapper_repl = "phase_java_wrapper_repl",
-)
 load(
     "@io_bazel_rules_scala//scala/private:phases/phase_collect_jars.bzl",
     _phase_collect_jars_common = "phase_collect_jars_common",
@@ -27,6 +15,8 @@ load(
     _phase_collect_jars_repl = "phase_collect_jars_repl",
     _phase_collect_jars_scalatest = "phase_collect_jars_scalatest",
 )
+load("@io_bazel_rules_scala//scala/private:phases/phase_collect_exports_jars.bzl", _phase_collect_exports_jars = "phase_collect_exports_jars")
+load("@io_bazel_rules_scala//scala/private:phases/phase_collect_srcjars.bzl", _phase_collect_srcjars = "phase_collect_srcjars")
 load(
     "@io_bazel_rules_scala//scala/private:phases/phase_compile.bzl",
     _phase_compile_binary = "phase_compile_binary",
@@ -37,35 +27,50 @@ load(
     _phase_compile_repl = "phase_compile_repl",
     _phase_compile_scalatest = "phase_compile_scalatest",
 )
-load(
-    "@io_bazel_rules_scala//scala/private:phases/phase_runfiles.bzl",
-    _phase_runfiles_common = "phase_runfiles_common",
-    _phase_runfiles_library = "phase_runfiles_library",
-    _phase_runfiles_scalatest = "phase_runfiles_scalatest",
-)
 load(
     "@io_bazel_rules_scala//scala/private:phases/phase_coverage.bzl",
     _phase_coverage_common = "phase_coverage_common",
     _phase_coverage_library = "phase_coverage_library",
 )
+load("@io_bazel_rules_scala//scala/private:phases/phase_coverage_runfiles.bzl", _phase_coverage_runfiles = "phase_coverage_runfiles")
+load("@io_bazel_rules_scala//scala/private:phases/phase_declare_executable.bzl", _phase_declare_executable = "phase_declare_executable")
 load("@io_bazel_rules_scala//scala/private:phases/phase_default_info.bzl", _phase_default_info = "phase_default_info")
-load("@io_bazel_rules_scala//scala/private:phases/phase_scalac_provider.bzl", _phase_scalac_provider = "phase_scalac_provider")
-load("@io_bazel_rules_scala//scala/private:phases/phase_write_manifest.bzl", _phase_write_manifest = "phase_write_manifest")
-load("@io_bazel_rules_scala//scala/private:phases/phase_collect_srcjars.bzl", _phase_collect_srcjars = "phase_collect_srcjars")
-load("@io_bazel_rules_scala//scala/private:phases/phase_collect_exports_jars.bzl", _phase_collect_exports_jars = "phase_collect_exports_jars")
 load(
     "@io_bazel_rules_scala//scala/private:phases/phase_dependency.bzl",
     _phase_dependency_common = "phase_dependency_common",
     _phase_dependency_library_for_plugin_bootstrapping = "phase_dependency_library_for_plugin_bootstrapping",
 )
-load("@io_bazel_rules_scala//scala/private:phases/phase_declare_executable.bzl", _phase_declare_executable = "phase_declare_executable")
-load("@io_bazel_rules_scala//scala/private:phases/phase_merge_jars.bzl", _phase_merge_jars = "phase_merge_jars")
+load(
+    "@io_bazel_rules_scala//scala/private:phases/phase_java_wrapper.bzl",
+    _phase_java_wrapper_common = "phase_java_wrapper_common",
+    _phase_java_wrapper_repl = "phase_java_wrapper_repl",
+)
 load("@io_bazel_rules_scala//scala/private:phases/phase_jvm_flags.bzl", _phase_jvm_flags = "phase_jvm_flags")
+load("@io_bazel_rules_scala//scala/private:phases/phase_merge_jars.bzl", _phase_merge_jars = "phase_merge_jars")
+load(
+    "@io_bazel_rules_scala//scala/private:phases/phase_runfiles.bzl",
+    _phase_runfiles_common = "phase_runfiles_common",
+    _phase_runfiles_library = "phase_runfiles_library",
+    _phase_runfiles_scalatest = "phase_runfiles_scalatest",
+)
+load("@io_bazel_rules_scala//scala/private:phases/phase_scalac_provider.bzl", _phase_scalac_provider = "phase_scalac_provider")
 load("@io_bazel_rules_scala//scala/private:phases/phase_scalacopts.bzl", _phase_scalacopts = "phase_scalacopts")
-load("@io_bazel_rules_scala//scala/private:phases/phase_coverage_runfiles.bzl", _phase_coverage_runfiles = "phase_coverage_runfiles")
 load("@io_bazel_rules_scala//scala/private:phases/phase_scalafmt.bzl", _phase_scalafmt = "phase_scalafmt")
-load("@io_bazel_rules_scala//scala/private:phases/phase_test_environment.bzl", _phase_test_environment = "phase_test_environment")
+load(
+    "@io_bazel_rules_scala//scala/private:phases/phase_scalainfo_provider.bzl",
+    _phase_scalainfo_provider_macro = "phase_scalainfo_provider_macro",
+    _phase_scalainfo_provider_non_macro = "phase_scalainfo_provider_non_macro",
+)
 load("@io_bazel_rules_scala//scala/private:phases/phase_semanticdb.bzl", _phase_semanticdb = "phase_semanticdb")
+load("@io_bazel_rules_scala//scala/private:phases/phase_test_environment.bzl", _phase_test_environment = "phase_test_environment")
+load(
+    "@io_bazel_rules_scala//scala/private:phases/phase_write_executable.bzl",
+    _phase_write_executable_common = "phase_write_executable_common",
+    _phase_write_executable_junit_test = "phase_write_executable_junit_test",
+    _phase_write_executable_repl = "phase_write_executable_repl",
+    _phase_write_executable_scalatest = "phase_write_executable_scalatest",
+)
+load("@io_bazel_rules_scala//scala/private:phases/phase_write_manifest.bzl", _phase_write_manifest = "phase_write_manifest")
 
 # API
 run_phases = _run_phases
@@ -74,6 +79,10 @@ extras_phases = _extras_phases
 # scalac_provider
 phase_scalac_provider = _phase_scalac_provider
 
+# scalainfo_provider
+phase_scalainfo_provider_macro = _phase_scalainfo_provider_macro
+phase_scalainfo_provider_non_macro = _phase_scalainfo_provider_non_macro
+
 # collect_srcjars
 phase_collect_srcjars = _phase_collect_srcjars
 

scala/private/rules/scala_binary.bzl

@@ -24,6 +24,7 @@ load(
     "phase_runfiles_common",
     "phase_scalac_provider",
     "phase_scalacopts",
+    "phase_scalainfo_provider_non_macro",
     "phase_semanticdb",
     "phase_write_executable_common",
     "phase_write_manifest",
@@ -36,6 +37,7 @@ def _scala_binary_impl(ctx):
         # customizable phases
         [
             ("scalac_provider", phase_scalac_provider),
+            ("scalainfo_provider", phase_scalainfo_provider_non_macro),
             ("write_manifest", phase_write_manifest),
             ("dependency", phase_dependency_common),
             ("collect_jars", phase_collect_jars_common),

scala/private/rules/scala_junit_test.bzl

@@ -25,6 +25,7 @@ load(
     "phase_runfiles_common",
     "phase_scalac_provider",
     "phase_scalacopts",
+    "phase_scalainfo_provider_non_macro",
     "phase_semanticdb",
     "phase_test_environment",
     "phase_write_executable_junit_test",
@@ -42,6 +43,7 @@ def _scala_junit_test_impl(ctx):
         # customizable phases
         [
             ("scalac_provider", phase_scalac_provider),
+            ("scalainfo_provider", phase_scalainfo_provider_non_macro),
             ("write_manifest", phase_write_manifest),
             ("dependency", phase_dependency_common),
             ("collect_jars", phase_collect_jars_junit_test),

scala/private/rules/scala_library.bzl

@@ -34,6 +34,8 @@ load(
     "phase_runfiles_library",
     "phase_scalac_provider",
     "phase_scalacopts",
+    "phase_scalainfo_provider_macro",
+    "phase_scalainfo_provider_non_macro",
     "phase_semanticdb",
     "phase_write_manifest",
     "run_phases",
@@ -62,6 +64,7 @@ def _scala_library_impl(ctx):
         # customizable phases
         [
             ("scalac_provider", phase_scalac_provider),
+            ("scalainfo_provider", phase_scalainfo_provider_non_macro),
             ("collect_srcjars", phase_collect_srcjars),
             ("write_manifest", phase_write_manifest),
             ("dependency", phase_dependency_common),
@@ -150,6 +153,7 @@ def _scala_library_for_plugin_bootstrapping_impl(ctx):
         # customizable phases
         [
             ("scalac_provider", phase_scalac_provider),
+            ("scalainfo_provider", phase_scalainfo_provider_non_macro),
             ("collect_srcjars", phase_collect_srcjars),
             ("write_manifest", phase_write_manifest),
             ("dependency", phase_dependency_library_for_plugin_bootstrapping),
@@ -225,6 +229,7 @@ def _scala_macro_library_impl(ctx):
         # customizable phases
         [
             ("scalac_provider", phase_scalac_provider),
+            ("scalainfo_provider", phase_scalainfo_provider_macro),
             ("collect_srcjars", phase_collect_srcjars),
             ("write_manifest", phase_write_manifest),
             ("dependency", phase_dependency_common),

scala/private/rules/scala_repl.bzl

@@ -24,6 +24,7 @@ load(
     "phase_runfiles_common",
     "phase_scalac_provider",
     "phase_scalacopts",
+    "phase_scalainfo_provider_non_macro",
     "phase_semanticdb",
     "phase_write_executable_repl",
     "phase_write_manifest",
@@ -36,6 +37,7 @@ def _scala_repl_impl(ctx):
         # customizable phases
         [
             ("scalac_provider", phase_scalac_provider),
+            ("scalainfo_provider", phase_scalainfo_provider_non_macro),
             ("write_manifest", phase_write_manifest),
             ("dependency", phase_dependency_common),
             # need scala-compiler for MainGenericRunner below

scala/private/rules/scala_test.bzl

@@ -25,6 +25,7 @@ load(
     "phase_runfiles_scalatest",
     "phase_scalac_provider",
     "phase_scalacopts",
+    "phase_scalainfo_provider_non_macro",
     "phase_semanticdb",
     "phase_test_environment",
     "phase_write_executable_scalatest",
@@ -38,6 +39,7 @@ def _scala_test_impl(ctx):
         # customizable phases
         [
             ("scalac_provider", phase_scalac_provider),
+            ("scalainfo_provider", phase_scalainfo_provider_non_macro),
             ("write_manifest", phase_write_manifest),
             ("dependency", phase_dependency_common),
             ("collect_jars", phase_collect_jars_scalatest),

scala/providers.bzl

@@ -1,12 +1,3 @@
-ScalacProvider = provider(
-    doc = "ScalacProvider",
-    fields = [
-        "default_classpath",
-        "default_macro_classpath",
-        "default_repl_classpath",
-    ],
-)
-
 DepsInfo = provider(
     doc = "Defines depset required by rules",
     fields = {
@@ -30,3 +21,19 @@ declare_deps_provider = rule(
         "deps_id": attr.string(mandatory = True),
     },
 )
+
+ScalacProvider = provider(
+    doc = "ScalacProvider",
+    fields = [
+        "default_classpath",
+        "default_macro_classpath",
+        "default_repl_classpath",
+    ],
+)
+
+ScalaInfo = provider(
+    doc = "Contains information about Scala targets.",
+    fields = {
+        "contains_macros": "Whether this target contains macros.",
+    },
+)