From 9e1aff284e5f9a7987fcfe69c6c1fc7cef2028cb Mon Sep 17 00:00:00 2001
From: Alexandr Evstigneev <alexandr.evstigneev@jetbrains.com>
Date: Fri, 18 Jul 2025 07:20:08 +0400
Subject: [PATCH] IJPL-184662 Moved references-related stuff into backend
 module

GitOrigin-RevId: a6b8c3e7bf8f3cb0e422496cc1c29978b803fbe0
---
 plugins/IntelliLang/backend/BUILD.bazel       | 53 ++++++++++++++++++-
 ...ntellij.platform.langInjection.backend.iml | 15 ++++--
 ...ntellij.platform.langInjection.backend.xml | 16 ++++++
 .../references/FileReferenceInjector.java     |  2 +-
 .../InjectedReferencesContributor.java        | 22 ++++----
 .../InjectedReferencesInspection.java         |  0
 .../LanguageReferenceContributor.kt           |  2 +-
 .../intellij.platform.langInjection.xml       | 12 -----
 8 files changed, 93 insertions(+), 29 deletions(-)
 rename plugins/IntelliLang/{ => backend}/src/org/intellij/plugins/intelliLang/references/FileReferenceInjector.java (95%)
 rename plugins/IntelliLang/{ => backend}/src/org/intellij/plugins/intelliLang/references/InjectedReferencesContributor.java (88%)
 rename plugins/IntelliLang/{ => backend}/src/org/intellij/plugins/intelliLang/references/InjectedReferencesInspection.java (100%)
 rename plugins/IntelliLang/{ => backend}/src/org/intellij/plugins/intelliLang/references/LanguageReferenceContributor.kt (98%)

diff --git a/plugins/IntelliLang/backend/BUILD.bazel b/plugins/IntelliLang/backend/BUILD.bazel
index b9f52e037722..cb94531853b1 100644
--- a/plugins/IntelliLang/backend/BUILD.bazel
+++ b/plugins/IntelliLang/backend/BUILD.bazel
@@ -1,5 +1,5 @@
 ### auto-generated section `build intellij.platform.langInjection.backend` start
-load("@rules_jvm//:jvm.bzl", "jvm_library", "jvm_resources")
+load("@rules_jvm//:jvm.bzl", "jvm_library", "jvm_provided_library", "jvm_resources")
 
 jvm_resources(
   name = "backend_resources",
@@ -7,11 +7,62 @@ jvm_resources(
   strip_prefix = "resources"
 )
 
+jvm_provided_library(
+  name = "backend_provided",
+  lib = "//platform/backend"
+)
+
+jvm_provided_library(
+  name = "core_provided",
+  lib = "//platform/core-api:core"
+)
+
+jvm_provided_library(
+  name = "util_provided",
+  lib = "//platform/util"
+)
+
+jvm_provided_library(
+  name = "analysis-impl_provided",
+  lib = "//platform/analysis-impl"
+)
+
+jvm_provided_library(
+  name = "analysis_provided",
+  lib = "//platform/analysis-api:analysis"
+)
+
+jvm_provided_library(
+  name = "langInjection_provided",
+  lib = "//plugins/IntelliLang:langInjection"
+)
+
+jvm_provided_library(
+  name = "util-ui_provided",
+  lib = "//platform/util:util-ui"
+)
+
+jvm_provided_library(
+  name = "projectModel_provided",
+  lib = "//platform/projectModel-api:projectModel"
+)
+
 jvm_library(
   name = "backend",
   module_name = "intellij.platform.langInjection.backend",
   visibility = ["//visibility:public"],
   srcs = glob(["src/**/*.kt", "src/**/*.java"], allow_empty = True),
+  deps = [
+    "@lib//:jetbrains-annotations-provided",
+    ":backend_provided",
+    ":core_provided",
+    ":util_provided",
+    ":analysis-impl_provided",
+    ":analysis_provided",
+    ":langInjection_provided",
+    ":util-ui_provided",
+    ":projectModel_provided",
+  ],
   runtime_deps = [":backend_resources"]
 )
 ### auto-generated section `build intellij.platform.langInjection.backend` end
\ No newline at end of file
diff --git a/plugins/IntelliLang/backend/intellij.platform.langInjection.backend.iml b/plugins/IntelliLang/backend/intellij.platform.langInjection.backend.iml
index 3f89cd859f54..b48aac1e5b1e 100644
--- a/plugins/IntelliLang/backend/intellij.platform.langInjection.backend.iml
+++ b/plugins/IntelliLang/backend/intellij.platform.langInjection.backend.iml
@@ -2,11 +2,20 @@
 <module type="JAVA_MODULE" version="4">
   <component name="NewModuleRootManager" inherit-compiler-output="true">
     <exclude-output />
-    <content url="file://$MODULE_DIR$">
-      <sourceFolder url="file://$MODULE_DIR$/resources" type="java-resource" />
-      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false"/>
+    <content url="file://$MODULE_DIR$/../backend">
+      <sourceFolder url="file://$MODULE_DIR$/../backend/resources" type="java-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/../backend/src" isTestSource="false" />
     </content>
     <orderEntry type="inheritedJdk" />
     <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="library" scope="PROVIDED" name="jetbrains-annotations" level="project" />
+    <orderEntry type="module" module-name="intellij.platform.backend" scope="PROVIDED" />
+    <orderEntry type="module" module-name="intellij.platform.core" scope="PROVIDED" />
+    <orderEntry type="module" module-name="intellij.platform.util" scope="PROVIDED" />
+    <orderEntry type="module" module-name="intellij.platform.analysis.impl" scope="PROVIDED" />
+    <orderEntry type="module" module-name="intellij.platform.analysis" scope="PROVIDED" />
+    <orderEntry type="module" module-name="intellij.platform.langInjection" scope="PROVIDED" />
+    <orderEntry type="module" module-name="intellij.platform.util.ui" scope="PROVIDED" />
+    <orderEntry type="module" module-name="intellij.platform.projectModel" scope="PROVIDED" />
   </component>
 </module>
\ No newline at end of file
diff --git a/plugins/IntelliLang/backend/resources/intellij.platform.langInjection.backend.xml b/plugins/IntelliLang/backend/resources/intellij.platform.langInjection.backend.xml
index 613fd7e8a6ce..b081c22901de 100644
--- a/plugins/IntelliLang/backend/resources/intellij.platform.langInjection.backend.xml
+++ b/plugins/IntelliLang/backend/resources/intellij.platform.langInjection.backend.xml
@@ -3,4 +3,20 @@
     <module name="intellij.platform.backend"/>
     <module name="intellij.platform.langInjection"/>
   </dependencies>
+
+  <extensions defaultExtensionNs="com.intellij">
+    <psi.referenceContributor language="" implementation="org.intellij.plugins.intelliLang.references.InjectedReferencesContributor"/>
+    <psi.symbolReferenceProvider implementationClass="org.intellij.plugins.intelliLang.references.LanguageReferenceContributor"
+                                 hostLanguage=""
+                                 hostElementClass="com.intellij.psi.PsiComment"
+                                 targetClass="org.intellij.plugins.intelliLang.references.LanguageSymbol"/>
+    <lang.foldingBuilder language="UAST" implementationClass="org.intellij.plugins.intelliLang.references.LanguageCommentFolding"/>
+    <referenceInjector implementation="org.intellij.plugins.intelliLang.references.FileReferenceInjector"/>
+    <localInspection implementationClass="org.intellij.plugins.intelliLang.references.InjectedReferencesInspection"
+                     enabledByDefault="true" level="ERROR"
+                     language=""
+                     groupBundle="messages.InspectionsBundle" groupKey="inspection.general.tools.group.name"
+                     key="inspection.injected.references.display.name" bundle="messages.IntelliLangBundle"/>
+
+  </extensions>
 </idea-plugin>
diff --git a/plugins/IntelliLang/src/org/intellij/plugins/intelliLang/references/FileReferenceInjector.java b/plugins/IntelliLang/backend/src/org/intellij/plugins/intelliLang/references/FileReferenceInjector.java
similarity index 95%
rename from plugins/IntelliLang/src/org/intellij/plugins/intelliLang/references/FileReferenceInjector.java
rename to plugins/IntelliLang/backend/src/org/intellij/plugins/intelliLang/references/FileReferenceInjector.java
index 926d03f06296..68d27fe0c597 100644
--- a/plugins/IntelliLang/src/org/intellij/plugins/intelliLang/references/FileReferenceInjector.java
+++ b/plugins/IntelliLang/backend/src/org/intellij/plugins/intelliLang/references/FileReferenceInjector.java
@@ -1,4 +1,4 @@
-// Copyright 2000-2024 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
+// Copyright 2000-2025 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
 package org.intellij.plugins.intelliLang.references;
 
 import com.intellij.icons.AllIcons;
diff --git a/plugins/IntelliLang/src/org/intellij/plugins/intelliLang/references/InjectedReferencesContributor.java b/plugins/IntelliLang/backend/src/org/intellij/plugins/intelliLang/references/InjectedReferencesContributor.java
similarity index 88%
rename from plugins/IntelliLang/src/org/intellij/plugins/intelliLang/references/InjectedReferencesContributor.java
rename to plugins/IntelliLang/backend/src/org/intellij/plugins/intelliLang/references/InjectedReferencesContributor.java
index 9029e0c2ae5b..542e1cf3bf7b 100644
--- a/plugins/IntelliLang/src/org/intellij/plugins/intelliLang/references/InjectedReferencesContributor.java
+++ b/plugins/IntelliLang/backend/src/org/intellij/plugins/intelliLang/references/InjectedReferencesContributor.java
@@ -1,4 +1,4 @@
-// Copyright 2000-2024 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
+// Copyright 2000-2025 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
 package org.intellij.plugins.intelliLang.references;
 
 import com.intellij.lang.injection.InjectedLanguageManager;
@@ -106,18 +106,18 @@ public final class InjectedReferencesContributor extends PsiReferenceContributor
         PsiFile containingFile = element.getContainingFile();
         InjectedLanguageManager
           .getInstance(containingFile.getProject()).enumerateEx(element, containingFile, false, new InjectedReferenceVisitor() {
-          @Override
-          public void visitInjectedReference(@NotNull ReferenceInjector injector,
-                                             @NotNull List<? extends PsiLanguageInjectionHost.Shred> places) {
-            injected.set(Boolean.TRUE);
-            element.putUserData(LanguageInjectionSupport.INJECTOR_SUPPORT, registry.getLanguageInjectionSupport());
-            for (PsiLanguageInjectionHost.Shred place : places) {
-              if (place.getHost() == element) {
-                references.addAll(Arrays.asList(injector.getReferences(element, context, place.getRangeInsideHost())));
+            @Override
+            public void visitInjectedReference(@NotNull ReferenceInjector injector,
+                                               @NotNull List<? extends PsiLanguageInjectionHost.Shred> places) {
+              injected.set(Boolean.TRUE);
+              element.putUserData(LanguageInjectionSupport.INJECTOR_SUPPORT, registry.getLanguageInjectionSupport());
+              for (PsiLanguageInjectionHost.Shred place : places) {
+                if (place.getHost() == element) {
+                  references.addAll(Arrays.asList(injector.getReferences(element, context, place.getRangeInsideHost())));
+                }
               }
             }
-          }
-        });
+          });
       }
     }
     return Pair.create(references.toArray(PsiReference.EMPTY_ARRAY), injected.get());
diff --git a/plugins/IntelliLang/src/org/intellij/plugins/intelliLang/references/InjectedReferencesInspection.java b/plugins/IntelliLang/backend/src/org/intellij/plugins/intelliLang/references/InjectedReferencesInspection.java
similarity index 100%
rename from plugins/IntelliLang/src/org/intellij/plugins/intelliLang/references/InjectedReferencesInspection.java
rename to plugins/IntelliLang/backend/src/org/intellij/plugins/intelliLang/references/InjectedReferencesInspection.java
diff --git a/plugins/IntelliLang/src/org/intellij/plugins/intelliLang/references/LanguageReferenceContributor.kt b/plugins/IntelliLang/backend/src/org/intellij/plugins/intelliLang/references/LanguageReferenceContributor.kt
similarity index 98%
rename from plugins/IntelliLang/src/org/intellij/plugins/intelliLang/references/LanguageReferenceContributor.kt
rename to plugins/IntelliLang/backend/src/org/intellij/plugins/intelliLang/references/LanguageReferenceContributor.kt
index 26549ed0d970..f54bc080b7c8 100644
--- a/plugins/IntelliLang/src/org/intellij/plugins/intelliLang/references/LanguageReferenceContributor.kt
+++ b/plugins/IntelliLang/backend/src/org/intellij/plugins/intelliLang/references/LanguageReferenceContributor.kt
@@ -1,4 +1,4 @@
-// Copyright 2000-2024 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
+// Copyright 2000-2025 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
 package org.intellij.plugins.intelliLang.references
 
 import com.intellij.codeInsight.completion.*
diff --git a/plugins/IntelliLang/resources/intellij.platform.langInjection.xml b/plugins/IntelliLang/resources/intellij.platform.langInjection.xml
index 48fec0ef8085..a2e5e84c2c90 100644
--- a/plugins/IntelliLang/resources/intellij.platform.langInjection.xml
+++ b/plugins/IntelliLang/resources/intellij.platform.langInjection.xml
@@ -54,21 +54,9 @@
     <projectService serviceInterface="org.intellij.plugins.intelliLang.Configuration"
                     serviceImplementation="org.intellij.plugins.intelliLang.Configuration$Prj"/>
 
-    <psi.referenceContributor language="" implementation="org.intellij.plugins.intelliLang.references.InjectedReferencesContributor"/>
-    <psi.symbolReferenceProvider implementationClass="org.intellij.plugins.intelliLang.references.LanguageReferenceContributor"
-                                 hostLanguage=""
-                                 hostElementClass="com.intellij.psi.PsiComment"
-                                 targetClass="org.intellij.plugins.intelliLang.references.LanguageSymbol"/>
     <completion.contributor language="any" implementationClass="org.intellij.plugins.intelliLang.references.LanguageWordInCommentCompletionContributor" />
     <registryKey key="org.intellij.intelliLang.comment.completion" defaultValue="true"
                  description="Enables completion of 'language=' in comments"/>
-    <lang.foldingBuilder language="UAST" implementationClass="org.intellij.plugins.intelliLang.references.LanguageCommentFolding"/>
-    <referenceInjector implementation="org.intellij.plugins.intelliLang.references.FileReferenceInjector"/>
-    <localInspection implementationClass="org.intellij.plugins.intelliLang.references.InjectedReferencesInspection"
-                     enabledByDefault="true" level="ERROR"
-                     language=""
-                     groupBundle="messages.InspectionsBundle" groupKey="inspection.general.tools.group.name"
-                     key="inspection.injected.references.display.name" bundle="messages.IntelliLangBundle"/>
   </extensions>
 
 </idea-plugin>