PublicConstructorInNonPublicClass: do not report compact/canonical constructors in records

GitOrigin-RevId: 9b12f70be57e9d4c2e5915af5b899ba41a7452c6

plugins/InspectionGadgets/InspectionGadgetsAnalysis/src/com/siyeh/ig/classlayout/PublicConstructorInNonPublicClassInspection.java

@@ -18,6 +18,7 @@ package com.siyeh.ig.classlayout;
 import com.intellij.codeInspection.ProblemDescriptor;
 import com.intellij.openapi.project.Project;
 import com.intellij.psi.*;
+import com.intellij.psi.util.JavaPsiRecordUtil;
 import com.siyeh.InspectionGadgetsBundle;
 import com.siyeh.ig.BaseInspection;
 import com.siyeh.ig.BaseInspectionVisitor;
@@ -104,6 +105,11 @@ public class PublicConstructorInNonPublicClassInspection extends BaseInspection
       if (containingClass == null) {
         return;
       }
+      if (containingClass.isRecord() &&
+          (JavaPsiRecordUtil.isCompactConstructor(method) || JavaPsiRecordUtil.isCanonicalConstructor(method))) {
+        // compact and canonical constructors in record must be public, according to spec
+        return;
+      }
       if (containingClass.hasModifierProperty(PsiModifier.PUBLIC) ||
         containingClass.hasModifierProperty(PsiModifier.PROTECTED)) {
         return;

plugins/InspectionGadgets/test/com/siyeh/igtest/classlayout/public_constructor_in_non_public_class/PublicConstructorInNonPublicClass.java

@@ -12,3 +12,19 @@ class PublicConstructorInNonPublicClass {
     public B() {}
   }
 }
+record Rec() {
+  public Rec {}
+  <warning descr="Constructor is declared 'public' in non-public class 'Rec'">public</warning> Rec(int x) {
+    this();
+    System.out.println(x);
+  }
+}
+record Rec2(int x) {
+  <warning descr="Constructor is declared 'public' in non-public class 'Rec2'">public</warning> Rec2() {
+    this(0);
+  }
+  public Rec2(int x) {
+    System.out.println(x);
+    this.x = x;
+  }
+}

plugins/InspectionGadgets/testsrc/com/siyeh/ig/classlayout/PublicConstructorInNonPublicClassInspectionTest.java

@@ -16,7 +16,7 @@ public class PublicConstructorInNonPublicClassInspectionTest extends LightJavaCo
   @NotNull
   @Override
   protected LightProjectDescriptor getProjectDescriptor() {
-    return JAVA_8;
+    return JAVA_14;
   }
 
   private void doTest() {