Add diagnostic code to the ScriptDiagnostic

to allow checking for specific errors, e.g. incomplete statements in
the REPL

plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/compiler/plugin/impl/ScriptJsCompilerImpls.kt

@@ -43,10 +43,11 @@ class JsScriptCompilerWithDependenciesProxy(private val environment: KotlinCoreE
                         )
                     }
                     is ReplCompileResult.Incomplete -> ResultWithDiagnostics.Failure(
-                        ScriptDiagnostic("Incomplete code")
+                        ScriptDiagnostic(ScriptDiagnostic.unspecifiedError, "Incomplete code")
                     )
                     is ReplCompileResult.Error -> ResultWithDiagnostics.Failure(
                         ScriptDiagnostic(
+                            ScriptDiagnostic.unspecifiedError,
                             message = compileResult.message,
                             severity = ScriptDiagnostic.Severity.ERROR
                         )

plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/compiler/plugin/impl/errorReporting.kt

@@ -44,7 +44,7 @@ internal class ScriptDiagnosticsMessageCollector(private val parentMessageCollec
                     )
                 )
             }
-            _diagnostics.add(ScriptDiagnostic(message, mappedSeverity, location?.path, mappedLocation))
+            _diagnostics.add(ScriptDiagnostic(ScriptDiagnostic.unspecifiedError, message, mappedSeverity, location?.path, mappedLocation))
         }
         parentMessageCollector?.report(severity, message, location)
     }

plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/repl/js/JsReplUtils.kt

@@ -57,12 +57,14 @@ fun getScriptKtFile(
     return when {
         ktFile == null -> ResultWithDiagnostics.Failure(
             ScriptDiagnostic(
+                ScriptDiagnostic.unspecifiedError,
                 message = "Cannot create PSI",
                 severity = ScriptDiagnostic.Severity.ERROR
             )
         )
         ktFile.declarations.firstIsInstanceOrNull<KtScript>() == null -> ResultWithDiagnostics.Failure(
             ScriptDiagnostic(
+                ScriptDiagnostic.unspecifiedError,
                 message = "There is not Script",
                 severity = ScriptDiagnostic.Severity.ERROR
             )