[Wasm] Require a description on each usage of SourceLocation.NoLocation

compiler/ir/backend.wasm/src/org/jetbrains/kotlin/backend/wasm/ir2wasm/WasmCompiledModuleFragment.kt

@@ -166,7 +166,7 @@ class WasmCompiledModuleFragment(val irBuiltIns: IrBuiltIns) {
         val masterInitFunction = WasmFunction.Defined("__init", WasmSymbol(masterInitFunctionType))
         with(WasmIrExpressionBuilder(masterInitFunction.instructions)) {
             initFunctions.sortedBy { it.priority }.forEach {
-                buildCall(WasmSymbol(it.function), SourceLocation.NoLocation)
+                buildCall(WasmSymbol(it.function), SourceLocation.NoLocation("Generated service code"))
             }
         }
         exports += WasmExport.Function("__init", masterInitFunction)

compiler/ir/backend.wasm/src/org/jetbrains/kotlin/backend/wasm/ir2wasm/locationUtils.kt

@@ -10,13 +10,13 @@ import org.jetbrains.kotlin.ir.expressions.IrExpression
 import org.jetbrains.kotlin.wasm.ir.source.location.SourceLocation
 
 fun IrExpression.getSourceLocation(fileEntry: IrFileEntry?): SourceLocation {
-    if (fileEntry == null) return SourceLocation.NoLocation
+    if (fileEntry == null) return SourceLocation.NoLocation("fileEntry is null")
 
     val path = fileEntry.name
     val startLine = fileEntry.getLineNumber(startOffset)
     val startColumn = fileEntry.getColumnNumber(startOffset)
 
-    if (startLine < 0 || startColumn < 0) return SourceLocation.NoLocation
+    if (startLine < 0 || startColumn < 0) return SourceLocation.NoLocation("startLine or startColumn < 0")
 
     return SourceLocation.Location(path, startLine, startColumn)
 }

wasm/wasm.ir/src/org/jetbrains/kotlin/wasm/ir/source/location/LocationHolder.kt

@@ -10,6 +10,6 @@ value class LocationHolder(val location: SourceLocation)
 
 inline fun <R> withLocation(location: SourceLocation, body: LocationHolder.() -> R): R = LocationHolder(location).body()
 
-inline fun <R> withNoLocation(body: LocationHolder.() -> R): R = withLocation(SourceLocation.NoLocation, body)
+inline fun <R> withNoLocation(description: String, body: LocationHolder.() -> R): R = withLocation(SourceLocation.NoLocation(description), body)
 
 inline fun <R> withTBDLocation(body: LocationHolder.() -> R): R = withLocation<R>(SourceLocation.TBDLocation, body)

wasm/wasm.ir/src/org/jetbrains/kotlin/wasm/ir/source/location/SourceLocation.kt

@@ -6,8 +6,13 @@
 package org.jetbrains.kotlin.wasm.ir.source.location
 
 sealed class SourceLocation {
-    object NoLocation: SourceLocation()
-    object TBDLocation: SourceLocation()
+    private object NoLocation : SourceLocation()
+    object TBDLocation : SourceLocation()
 
     data class Location(val file: String, val line: Int, val column: Int) : SourceLocation()
+
+    companion object {
+        @Suppress("FunctionName", "UNUSED_PARAMETER")
+        fun NoLocation(description: String): SourceLocation = NoLocation
+    }
 }