From eeea728a282e6cb48d6added794a747c8ea16be7 Mon Sep 17 00:00:00 2001
From: "Alexey.Merkulov" <alexey.merkulov@jetbrains.com>
Date: Fri, 4 Sep 2026 19:54:24 +0200
Subject: [PATCH] [debugger] IDEA-393273 Rework compiler invocations for
 breakpoint instrumentation to prevent long read actions

This is a combined commit of 2, squashed together

(cherry picked from commit a69aa2166b93267fcd84012a77b1e79a426ba5f0)

(cherry picked from commit 2c7c8313707fc49228a61e1433fbe7703400a89c)

IJ-CR-221035

GitOrigin-RevId: 6c75f6c316c850757f0250c2450054f35e584763
---
 .../ui/impl/watch/CompilingEvaluatorImpl.java | 32 ++++++++++---------
 1 file changed, 17 insertions(+), 15 deletions(-)

diff --git a/java/debugger/impl/src/com/intellij/debugger/ui/impl/watch/CompilingEvaluatorImpl.java b/java/debugger/impl/src/com/intellij/debugger/ui/impl/watch/CompilingEvaluatorImpl.java
index eb6db9832d18..79b3fa60e23c 100644
--- a/java/debugger/impl/src/com/intellij/debugger/ui/impl/watch/CompilingEvaluatorImpl.java
+++ b/java/debugger/impl/src/com/intellij/debugger/ui/impl/watch/CompilingEvaluatorImpl.java
@@ -71,23 +71,25 @@ public class CompilingEvaluatorImpl extends CompilingEvaluator {
       options.add("UTF-8");
       List<File> platformClasspath = new ArrayList<>();
       List<File> classpath = new ArrayList<>();
-      AnnotationProcessingConfiguration profile = null;
-      if (myModule != null) {
-        assert myProject.equals(myModule.getProject()) : myModule + " is from another project";
-        profile = CompilerConfiguration.getInstance(myProject).getAnnotationProcessingConfiguration(myModule);
-        ModuleRootManager rootManager = ModuleRootManager.getInstance(myModule);
-        for (String s : rootManager.orderEntries().compileOnly().recursively().exportedOnly().withoutSdk().getPathsList().getPathList()) {
-          classpath.add(new File(s));
-        }
-        for (String s : rootManager.orderEntries().compileOnly().sdkOnly().getPathsList().getPathList()) {
-          platformClasspath.add(new File(s));
-        }
+      ReadAction.runBlocking(() -> {
+        AnnotationProcessingConfiguration profile = null;
+        if (myModule != null) {
+          assert myProject.equals(myModule.getProject()) : myModule + " is from another project";
+          profile = CompilerConfiguration.getInstance(myProject).getAnnotationProcessingConfiguration(myModule);
+          ModuleRootManager rootManager = ModuleRootManager.getInstance(myModule);
+          for (String s : rootManager.orderEntries().compileOnly().recursively().exportedOnly().withoutSdk().getPathsList().getPathList()) {
+            classpath.add(new File(s));
+          }
+          for (String s : rootManager.orderEntries().compileOnly().sdkOnly().getPathsList().getPathList()) {
+            platformClasspath.add(new File(s));
+          }
 
-        if (myLanguageLevel != null && myLanguageLevel.isPreview()) {
-          options.add(JavaParameters.JAVA_ENABLE_PREVIEW_PROPERTY);
+          if (myLanguageLevel != null && myLanguageLevel.isPreview()) {
+            options.add(JavaParameters.JAVA_ENABLE_PREVIEW_PROPERTY);
+          }
         }
-      }
-      JavaBuilder.addAnnotationProcessingOptions(options, profile);
+        JavaBuilder.addAnnotationProcessingOptions(options, profile);
+      });
 
       Pair<Sdk, JavaSdkVersion> runtime = BuildManager.getJavacRuntimeSdk(myProject);
       JavaSdkVersion buildRuntimeVersion = runtime.getSecond();