[JS IR] Improve debug info for callable references and lambdas

#KT-46276

compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/lower/CallableReferenceLowering.kt

@@ -304,8 +304,8 @@ class CallableReferenceLowering(private val context: CommonBackendContext) : Bod
                 when (callee) {
                     is IrConstructor ->
                         IrConstructorCallImpl(
-                            startOffset,
+                            UNDEFINED_OFFSET,
-                            endOffset,
+                            UNDEFINED_OFFSET,
                             callee.parentAsClass.defaultType,
                             callee.symbol,
                             callee.countContextTypeParameters(),
@@ -315,8 +315,8 @@ class CallableReferenceLowering(private val context: CommonBackendContext) : Bod
                         )
                     is IrSimpleFunction ->
                         IrCallImpl(
-                            startOffset,
+                            UNDEFINED_OFFSET,
-                            endOffset,
+                            UNDEFINED_OFFSET,
                             callee.returnType,
                             callee.symbol,
                             callee.typeParameters.size,
@@ -393,14 +393,17 @@ class CallableReferenceLowering(private val context: CommonBackendContext) : Bod
                 }
             }
 
-            body = factory.createBlockBody(reference.startOffset, reference.endOffset, listOf(reference.run {
+            body = factory.createBlockBody(
-                IrReturnImpl(
+                UNDEFINED_OFFSET, UNDEFINED_OFFSET, listOf(
-                    startOffset,
+                    IrReturnImpl(
-                    endOffset, nothingType,
+                        UNDEFINED_OFFSET,
-                    symbol,
+                        UNDEFINED_OFFSET,
-                    buildInvoke()
+                        nothingType,
+                        symbol,
+                        buildInvoke()
+                    )
                 )
-            }))
+            )
         }
 
         private fun createNameProperty(clazz: IrClass) {

compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/lower/InteropCallableReferenceLowering.kt

@@ -527,8 +527,8 @@ class InteropCallableReferenceLowering(val context: JsIrBackendContext) : BodyLo
             val lambdaType = lambdaInfo.lambdaClass.defaultType
             val instanceVal = JsIrBuilder.buildVar(lambdaType, factoryFunction, "i").apply {
                 val newCtorCall = IrConstructorCallImpl(
-                    lambdaInfo.lambdaClass.startOffset,
+                    UNDEFINED_OFFSET,
-                    lambdaInfo.lambdaClass.endOffset,
+                    UNDEFINED_OFFSET,
                     lambdaType,
                     constructor.symbol,
                     lambdaInfo.lambdaClass.typeParameters.size,
@@ -598,7 +598,7 @@ class InteropCallableReferenceLowering(val context: JsIrBackendContext) : BodyLo
             statements.add(JsIrBuilder.buildReturn(factoryFunction.symbol, functionExpression, context.irBuiltIns.nothingType))
         }
 
-        return context.irFactory.createBlockBody(lambdaInfo.lambdaClass.startOffset, lambdaInfo.lambdaClass.endOffset, statements)
+        return context.irFactory.createBlockBody(UNDEFINED_OFFSET, UNDEFINED_OFFSET, statements)
     }
 
     private fun createLambdaDeclaration(
@@ -621,7 +621,15 @@ class InteropCallableReferenceLowering(val context: JsIrBackendContext) : BodyLo
         lambdaDeclaration.parent = parent
 
         lambdaDeclaration.valueParameters = superInvokeFun.valueParameters.mapIndexed { id, vp ->
-            vp.copyTo(lambdaDeclaration, type = anyNType, name = invokeFun.valueParameters[id].name)
+            val originalValueParameter = invokeFun.valueParameters[id]
+            vp.copyTo(
+                irFunction = lambdaDeclaration,
+                origin = originalValueParameter.origin,
+                startOffset = originalValueParameter.startOffset,
+                endOffset = originalValueParameter.endOffset,
+                name = originalValueParameter.name,
+                type = anyNType,
+            )
         }
         return lambdaDeclaration
     }

compiler/testData/debug/stepping/callableReference.kt

@@ -23,6 +23,7 @@ fun f(block: () -> Unit) {
 // EXPECTATIONS JS_IR
 // test.kt:3 box
 // test.kt:4 box
+// test.kt:4 box$lambda
 // test.kt:4 box
 // test.kt:10 f
 // test.kt:5 box$lambda$lambda

compiler/testData/debug/stepping/enum.kt

@@ -60,6 +60,7 @@ fun box() {
 // test.kt:3 <init>
 // test.kt:22 box
 // test.kt:9 foo
+// test.kt:7 E$foo$lambda
 // test.kt:15 E2_initEntries
 // test.kt:14 <init>
 // test.kt:14 <init>

compiler/testData/debug/stepping/namedCallableReference.kt

@@ -32,10 +32,9 @@ fun g() {}
 // EXPECTATIONS JS_IR
 // test.kt:3 box
 // test.kt:4 box
+// test.kt:4 g$ref
 // test.kt:4 box
 // test.kt:8 f
-// test.kt:4 g$ref$lambda
 // test.kt:11 g
-// test.kt:4 g$ref$lambda
 // test.kt:9 f
 // test.kt:5 box

js/js.translator/testData/lineNumbers/lambdaWithClosure.kt

@@ -5,4 +5,4 @@ fun foo(x: Int): () -> Unit = {
 fun bar() = 23
 
 // LINES(JS):    1 1 1 3 2 2 3 3 1 1 1 5 5 5
-// LINES(JS_IR):   1 1       3 3 1     5 5 5 5 1 1 1 2 2 3 3
+// LINES(JS_IR):   1 1       3 3 1     5 5 5 5 1 1 2 2 3 3