Debugger: add breakpoint variant for line with lambda in init block

#KT-KT-1061 Fixed

idea/src/org/jetbrains/kotlin/idea/debugger/breakpoints/KotlinLineBreakpointType.java

@@ -35,6 +35,7 @@ import org.jetbrains.annotations.Nullable;
 import org.jetbrains.java.debugger.breakpoints.properties.JavaBreakpointProperties;
 import org.jetbrains.java.debugger.breakpoints.properties.JavaLineBreakpointProperties;
 import org.jetbrains.kotlin.idea.KotlinIcons;
+import org.jetbrains.kotlin.psi.KtClassInitializer;
 import org.jetbrains.kotlin.psi.KtFunction;
 
 import javax.swing.*;
@@ -96,7 +97,7 @@ public class KotlinLineBreakpointType extends JavaLineBreakpointType {
     @Nullable
     public static PsiElement getContainingMethod(@Nullable PsiElement elem) {
         //noinspection unchecked
-        return PsiTreeUtil.getParentOfType(elem, KtFunction.class);
+        return PsiTreeUtil.getParentOfType(elem, KtFunction.class, KtClassInitializer.class);
     }
 
     public static boolean inTheMethod(@NotNull SourcePosition pos, @NotNull PsiElement method) {

idea/src/org/jetbrains/kotlin/idea/debugger/breakpoints/breakpointTypeUtils.kt

@@ -108,10 +108,8 @@ fun computeVariants(
                 XSourcePositionImpl.createByElement(lambda.bodyExpression), lambda, ordinal))
     }
 
-    if (result.size > 1) {
-        val allBreakpoint = (kotlinBreakpointType as JavaLineBreakpointType).JavaBreakpointVariant(position)
-        result.addFirst(allBreakpoint)
-    }
+    val allBreakpoint = (kotlinBreakpointType as JavaLineBreakpointType).JavaBreakpointVariant(position)
+    result.addFirst(allBreakpoint)
 
     return result
 }

idea/testData/debugger/tinyApp/outs/initializer.out

@@ -0,0 +1,11 @@
+LineBreakpoint created at initializer.kt:12
+LineBreakpoint created at initializer.kt:18 lambdaOrdinal = -1
+!JDK_HOME!\bin\java -agentlib:jdwp=transport=dt_socket,address=!HOST_NAME!:!HOST_PORT!,suspend=y,server=n -Dfile.encoding=!FILE_ENCODING! -classpath !OUTPUT_PATH!;!KOTLIN_RUNTIME!;!CUSTOM_LIBRARY!;!RT_JAR! initializer.InitializerKt
+Connected to the target VM, address: '!HOST_NAME!:PORT_NAME!', transport: 'socket'
+initializer.kt:12
+Compile bytecode for prop
+initializer.kt:18
+Disconnected from the target VM, address: '!HOST_NAME!:PORT_NAME!', transport: 'socket'
+
+Process finished with exit code 0
+1

idea/testData/debugger/tinyApp/src/evaluate/multipleBreakpoints/initializer.kt

@@ -0,0 +1,20 @@
+package initializer
+
+fun main(args: Array<String>) {
+    A(1)
+}
+
+class A(val prop: Int) {
+    init {
+        // EXPRESSION: prop
+        // RESULT: 1: I
+        //Breakpoint!
+        val a = 1
+
+        val list = listOf(1)
+        // EXPRESSION: it
+        // RESULT: Unresolved reference: it
+        //Breakpoint! (lambdaOrdinal = -1)
+        list.forEach { println(it) }
+    }
+}

idea/tests/org/jetbrains/kotlin/idea/debugger/evaluate/KotlinEvaluateExpressionTestGenerated.java

@@ -736,6 +736,12 @@ public class KotlinEvaluateExpressionTestGenerated extends AbstractKotlinEvaluat
             doMultipleBreakpointsTest(fileName);
         }
 
+        @TestMetadata("initializer.kt")
+        public void testInitializer() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("idea/testData/debugger/tinyApp/src/evaluate/multipleBreakpoints/initializer.kt");
+            doMultipleBreakpointsTest(fileName);
+        }
+
         @TestMetadata("isInsideInlineLambda.kt")
         public void testIsInsideInlineLambda() throws Exception {
             String fileName = KotlinTestUtils.navigationMetadata("idea/testData/debugger/tinyApp/src/evaluate/multipleBreakpoints/isInsideInlineLambda.kt");