Fix hang parsing malformed properties

.config/dotnet-tools.json

@@ -15,10 +15,10 @@
       ]
     },
     "ghul.compiler": {
-      "version": "0.8.12",
+      "version": "0.8.13",
       "commands": [
         "ghul-compiler"
       ]
     }
   }
-}
+}

Directory.Build.props

@@ -1,6 +1,6 @@
 <Project>
   <PropertyGroup>
-    <Version>0.8.13-alpha.6</Version>
+    <Version>0.8.14-alpha.7</Version>
     <NoWarn>$(NoWarn);NU1507</NoWarn>
   </PropertyGroup>
   <ItemGroup>

src/analysis/analyser.ghul

@@ -40,16 +40,15 @@ namespace Analysis is
             reader: IO.TextReader,
             writer: IO.TextWriter,
             library_files: Iterable[string],
-            build_flags: BUILD_FLAGS
+            build_flags: BUILD_FLAGS,
+            watchdog: WATCHDOG
         ) is
             _log = Std.error;
             _timers = timers;
             _symbol_table = symbol_table;
 
             _command_map = new Collections.MAP[string,CommandHandler]();
 
-            let watchdog = new WATCHDOG();
-
             _despatcher = new COMMAND_DESPATCHER(reader, writer, _timers, _log, watchdog);
 
             build_flags.want_compile_up_to_expressions = true;

src/driver/main.ghul

@@ -491,7 +491,8 @@ namespace Driver is
                 Std.`in,
                 Std.out,
                 analyse_files,
-                flags
+                flags,
+                container.watchdog
             );
 
             Std.error.write_line("ghūl compiler {compiler_version}: serving analysis requests");

src/ioc/container.ghul

@@ -20,6 +20,7 @@ namespace IoC is
         logger_writer: IO.TextWriter;
 
         timers: Logging.TIMERS;
+        watchdog: Analysis.WATCHDOG;
 
         path_config: Driver.PATH_CONFIG;
         build_flags: Compiler.BUILD_FLAGS;
@@ -117,6 +118,7 @@ namespace IoC is
             want_human_readable_logger(Std.error);
 
             timers = new Logging.TIMERS();
+            watchdog = new Analysis.WATCHDOG();
 
             path_config = new Driver.PATH_CONFIG();
             build_flags = new Compiler.BUILD_FLAGS();

src/syntax/parsers/definitions/property.ghul

@@ -166,10 +166,9 @@ namespace Syntax.Parsers.Definitions is
                 fi
 
                 if fail /\ !progress then
-                    Std.error.write_line("parsing property: no progress made so consuming next token: {context.current_token_name}");
-                    result.poison(true);
-
-                    return result;
+                    IO.Std.error.write_line("no progress parsing property at {context.location}");
+                    IoC.CONTAINER.instance.watchdog.request_restart();
+                    throw new System.Exception("no progress parsing property");
                 fi
 
                 result.poison(fail);