Fix for a terrible orange color

3 files changed, 143 insertions, 79 deletions

diff --git a/themes/dist/output.js b/themes/dist/output.js
index 79b5f23..9a83997 100644
--- a/themes/dist/output.js
+++ b/themes/dist/output.js
@@ -68,6 +68,22 @@ var read_,
     readBinary,
     setWindowTitle;
 
+// Normally we don't log exceptions but instead let them bubble out the top
+// level where the embedding environment (e.g. the browser) can handle
+// them.
+// However under v8 and node we sometimes exit the process direcly in which case
+// its up to use us to log the exception before exiting.
+// If we fix https://github.com/emscripten-core/emscripten/issues/15080
+// this may no longer be needed under node.
+function logExceptionOnExit(e) {
+  if (e instanceof ExitStatus) return;
+  var toLog = e;
+  if (e && typeof e === 'object' && e.stack) {
+    toLog = [e, e.stack];
+  }
+  err('exiting due to exception: ' + toLog);
+}
+
 var nodeFS;
 var nodePath;
 
@@ -126,13 +142,19 @@ readAsync = function readAsync(filename, onload, onerror) {
     }
   });
 
-  process['on']('unhandledRejection', abort);
+  // Without this older versions of node (< v15) will log unhandled rejections
+  // but return 0, which is not normally the desired behaviour.  This is
+  // not be needed with node v15 and about because it is now the default
+  // behaviour:
+  // See https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode
+  process['on']('unhandledRejection', function(reason) { throw reason; });
 
   quit_ = function(status, toThrow) {
     if (keepRuntimeAlive()) {
       process['exitCode'] = status;
       throw toThrow;
     }
+    logExceptionOnExit(toThrow);
     process['exit'](status);
   };
 
@@ -170,7 +192,8 @@ if (ENVIRONMENT_IS_SHELL) {
   }
 
   if (typeof quit === 'function') {
-    quit_ = function(status) {
+    quit_ = function(status, toThrow) {
+      logExceptionOnExit(toThrow);
       quit(status);
     };
   }
@@ -197,8 +220,10 @@ if (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) {
   // otherwise, slice off the final part of the url to find the script directory.
   // if scriptDirectory does not contain a slash, lastIndexOf will return -1,
   // and scriptDirectory will correctly be replaced with an empty string.
+  // If scriptDirectory contains a query (starting with ?) or a fragment (starting with #),
+  // they are removed because they could contain a slash.
   if (scriptDirectory.indexOf('blob:') !== 0) {
-    scriptDirectory = scriptDirectory.substr(0, scriptDirectory.lastIndexOf('/')+1);
+    scriptDirectory = scriptDirectory.substr(0, scriptDirectory.replace(/[?#].*/, "").lastIndexOf('/')+1);
   } else {
     scriptDirectory = '';
   }
@@ -253,8 +278,6 @@ if (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) {
   throw new Error('environment detection error');
 }
 
-// Set up the out() and err() hooks, which are how we can print to stdout or
-// stderr, respectively.
 var out = Module['print'] || console.log.bind(console);
 var err = Module['printErr'] || console.warn.bind(console);
 
@@ -362,6 +385,7 @@ assert(!ENVIRONMENT_IS_SHELL, "shell environment detected but not enabled at bui
 
 
 var STACK_ALIGN = 16;
+var POINTER_SIZE = 4;
 
 function getNativeTypeSize(type) {
   switch (type) {
@@ -373,7 +397,7 @@ function getNativeTypeSize(type) {
     case 'double': return 8;
     default: {
       if (type[type.length-1] === '*') {
-        return 4; // A pointer
+        return POINTER_SIZE;
       } else if (type[0] === 'i') {
         var bits = Number(type.substr(1));
         assert(bits % 8 === 0, 'getNativeTypeSize invalid bits ' + bits + ', type ' + type);
@@ -502,19 +526,26 @@ function getEmptyTableSlot() {
   return wasmTable.length - 1;
 }
 
-// Add a wasm function to the table.
-function addFunctionWasm(func, sig) {
+function updateTableMap(offset, count) {
+  for (var i = offset; i < offset + count; i++) {
+    var item = getWasmTableEntry(i);
+    // Ignore null values.
+    if (item) {
+      functionsInTableMap.set(item, i);
+    }
+  }
+}
+
+// Add a function to the table.
+// 'sig' parameter is required if the function being added is a JS function.
+function addFunction(func, sig) {
+  assert(typeof func !== 'undefined');
+
   // Check if the function is already in the table, to ensure each function
   // gets a unique index. First, create the map if this is the first use.
   if (!functionsInTableMap) {
     functionsInTableMap = new WeakMap();
-    for (var i = 0; i < wasmTable.length; i++) {
-      var item = wasmTable.get(i);
-      // Ignore null values.
-      if (item) {
-        functionsInTableMap.set(item, i);
-      }
-    }
+    updateTableMap(0, wasmTable.length);
   }
   if (functionsInTableMap.has(func)) {
     return functionsInTableMap.get(func);
@@ -527,14 +558,14 @@ function addFunctionWasm(func, sig) {
   // Set the new value.
   try {
     // Attempting to call this with JS function will cause of table.set() to fail
-    wasmTable.set(ret, func);
+    setWasmTableEntry(ret, func);
   } catch (err) {
     if (!(err instanceof TypeError)) {
       throw err;
     }
     assert(typeof sig !== 'undefined', 'Missing signature argument to addFunction: ' + func);
     var wrapped = convertJsFunctionToWasm(func, sig);
-    wasmTable.set(ret, wrapped);
+    setWasmTableEntry(ret, wrapped);
   }
 
   functionsInTableMap.set(func, ret);
@@ -543,18 +574,10 @@ function addFunctionWasm(func, sig) {
 }
 
 function removeFunction(index) {
-  functionsInTableMap.delete(wasmTable.get(index));
+  functionsInTableMap.delete(getWasmTableEntry(index));
   freeTableIndexes.push(index);
 }
 
-// 'sig' parameter is required for the llvm backend but only when func is not
-// already a WebAssembly function.
-function addFunction(func, sig) {
-  assert(typeof func !== 'undefined');
-
-  return addFunctionWasm(func, sig);
-}
-
 // end include: runtime_functions.js
 // include: runtime_debug.js
 
@@ -618,7 +641,7 @@ if (typeof WebAssembly !== 'object') {
     @param {number|boolean=} noSafe */
 function setValue(ptr, value, type, noSafe) {
   type = type || 'i8';
-  if (type.charAt(type.length-1) === '*') type = 'i32'; // pointers are 32-bit
+  if (type.charAt(type.length-1) === '*') type = 'i32';
     switch (type) {
       case 'i1': HEAP8[((ptr)>>0)] = value; break;
       case 'i8': HEAP8[((ptr)>>0)] = value; break;
@@ -636,7 +659,7 @@ function setValue(ptr, value, type, noSafe) {
     @param {number|boolean=} noSafe */
 function getValue(ptr, type, noSafe) {
   type = type || 'i8';
-  if (type.charAt(type.length-1) === '*') type = 'i32'; // pointers are 32-bit
+  if (type.charAt(type.length-1) === '*') type = 'i32';
     switch (type) {
       case 'i1': return HEAP8[((ptr)>>0)];
       case 'i8': return HEAP8[((ptr)>>0)];
@@ -644,7 +667,7 @@ function getValue(ptr, type, noSafe) {
       case 'i32': return HEAP32[((ptr)>>2)];
       case 'i64': return HEAP32[((ptr)>>2)];
       case 'float': return HEAPF32[((ptr)>>2)];
-      case 'double': return HEAPF64[((ptr)>>3)];
+      case 'double': return Number(HEAPF64[((ptr)>>3)]);
       default: abort('invalid type for getValue: ' + type);
     }
   return null;
@@ -852,6 +875,7 @@ function UTF8ArrayToString(heap, idx, maxBytesToRead) {
  * @return {string}
  */
 function UTF8ToString(ptr, maxBytesToRead) {
+  ;
   return ptr ? UTF8ArrayToString(HEAPU8, ptr, maxBytesToRead) : '';
 }
 
@@ -897,7 +921,7 @@ function stringToUTF8Array(str, heap, outIdx, maxBytesToWrite) {
       heap[outIdx++] = 0x80 | (u & 63);
     } else {
       if (outIdx + 3 >= endIdx) break;
-      if (u >= 0x200000) warnOnce('Invalid Unicode code point 0x' + u.toString(16) + ' encountered when serializing a JS string to a UTF-8 string in wasm memory! (Valid unicode code points should be in range 0-0x1FFFFF).');
+      if (u > 0x10FFFF) warnOnce('Invalid Unicode code point 0x' + u.toString(16) + ' encountered when serializing a JS string to a UTF-8 string in wasm memory! (Valid unicode code points should be in range 0-0x10FFFF).');
       heap[outIdx++] = 0xF0 | (u >> 18);
       heap[outIdx++] = 0x80 | ((u >> 12) & 63);
       heap[outIdx++] = 0x80 | ((u >> 6) & 63);
@@ -1156,7 +1180,7 @@ function writeArrayToMemory(array, buffer) {
 /** @param {boolean=} dontAddNull */
 function writeAsciiToMemory(str, buffer, dontAddNull) {
   for (var i = 0; i < str.length; ++i) {
-    assert(str.charCodeAt(i) === str.charCodeAt(i)&0xff);
+    assert(str.charCodeAt(i) === (str.charCodeAt(i) & 0xff));
     HEAP8[((buffer++)>>0)] = str.charCodeAt(i);
   }
   // Null-terminate the pointer to the HEAP.
@@ -1243,8 +1267,8 @@ function writeStackCookie() {
   var max = _emscripten_stack_get_end();
   assert((max & 3) == 0);
   // The stack grows downwards
-  HEAPU32[(max >> 2)+1] = 0x2135467;
-  HEAPU32[(max >> 2)+2] = 0x89BACDFE;
+  HEAP32[((max + 4)>>2)] = 0x2135467;
+  HEAP32[((max + 8)>>2)] = 0x89BACDFE;
   // Also test the global address 0 for integrity.
   HEAP32[0] = 0x63736d65; /* 'emsc' */
 }
@@ -1252,10 +1276,10 @@ function writeStackCookie() {
 function checkStackCookie() {
   if (ABORT) return;
   var max = _emscripten_stack_get_end();
-  var cookie1 = HEAPU32[(max >> 2)+1];
-  var cookie2 = HEAPU32[(max >> 2)+2];
+  var cookie1 = HEAPU32[((max + 4)>>2)];
+  var cookie2 = HEAPU32[((max + 8)>>2)];
   if (cookie1 != 0x2135467 || cookie2 != 0x89BACDFE) {
-    abort('Stack overflow! Stack cookie has been overwritten, expected hex dwords 0x89BACDFE and 0x2135467, but received 0x' + cookie2.toString(16) + ' ' + cookie1.toString(16));
+    abort('Stack overflow! Stack cookie has been overwritten, expected hex dwords 0x89BACDFE and 0x2135467, but received 0x' + cookie2.toString(16) + ' 0x' + cookie1.toString(16));
   }
   // Also test the global address 0 for integrity.
   if (HEAP32[0] !== 0x63736d65 /* 'emsc' */) abort('Runtime error: The application has corrupted its heap memory area (address zero)!');
@@ -1456,19 +1480,20 @@ Module["preloadedAudios"] = {}; // maps url to audio data
 
 /** @param {string|number=} what */
 function abort(what) {
-  if (Module['onAbort']) {
-    Module['onAbort'](what);
+  {
+    if (Module['onAbort']) {
+      Module['onAbort'](what);
+    }
   }
 
-  what += '';
+  what = 'Aborted(' + what + ')';
+  // TODO(sbc): Should we remove printing and leave it up to whoever
+  // catches the exception?
   err(what);
 
   ABORT = true;
   EXITSTATUS = 1;
 
-  var output = 'abort(' + what + ') at ' + stackTrace();
-  what = output;
-
   // Use a wasm runtime error, because a JS error might be seen as a foreign
   // exception, which means we'd run destructors on it. We need the error to
   // simply make the program stop.
@@ -1728,9 +1753,9 @@ var ASM_CONSTS = {
         var func = callback.func;
         if (typeof func === 'number') {
           if (callback.arg === undefined) {
-            wasmTable.get(func)();
+            getWasmTableEntry(func)();
           } else {
-            wasmTable.get(func)(callback.arg);
+            getWasmTableEntry(func)(callback.arg);
           }
         } else {
           func(callback.arg === undefined ? null : callback.arg);
@@ -1738,6 +1763,12 @@ var ASM_CONSTS = {
       }
     }
 
+  function withStackSave(f) {
+      var stack = stackSave();
+      var ret = f();
+      stackRestore(stack);
+      return ret;
+    }
   function demangle(func) {
       warnOnce('warning: build with  -s DEMANGLE_SUPPORT=1  to link in libcxxabi demangling');
       return func;
@@ -1753,6 +1784,29 @@ var ASM_CONSTS = {
         });
     }
 
+  var wasmTableMirror = [];
+  function getWasmTableEntry(funcPtr) {
+      var func = wasmTableMirror[funcPtr];
+      if (!func) {
+        if (funcPtr >= wasmTableMirror.length) wasmTableMirror.length = funcPtr + 1;
+        wasmTableMirror[funcPtr] = func = wasmTable.get(funcPtr);
+      }
+      assert(wasmTable.get(funcPtr) == func, "JavaScript-side Wasm function table mirror is out of date!");
+      return func;
+    }
+
+  function handleException(e) {
+      // Certain exception types we do not treat as errors since they are used for
+      // internal control flow.
+      // 1. ExitStatus, which is thrown by exit()
+      // 2. "unwind", which is thrown by emscripten_unwind_to_js_event_loop() and others
+      //    that wish to return to JS event loop.
+      if (e instanceof ExitStatus || e == 'unwind') {
+        return EXITSTATUS;
+      }
+      quit_(1, e);
+    }
+
   function jsStackTrace() {
       var error = new Error();
       if (!error.stack) {
@@ -1770,6 +1824,11 @@ var ASM_CONSTS = {
       return error.stack.toString();
     }
 
+  function setWasmTableEntry(idx, func) {
+      wasmTable.set(idx, func);
+      wasmTableMirror[idx] = func;
+    }
+
   function stackTrace() {
       var js = jsStackTrace();
       if (Module['extraStackTrace']) js += '\n' + Module['extraStackTrace']();
@@ -1777,7 +1836,7 @@ var ASM_CONSTS = {
     }
 
   function _abort() {
-      abort();
+      abort('native code called abort()');
     }
 
   var JSEvents = {inEventHandler:0,removeAllEventListeners:function() {
@@ -1920,7 +1979,7 @@ var ASM_CONSTS = {
 
   function _emscripten_request_animation_frame_loop(cb, userData) {
       function tick(timeStamp) {
-        if (wasmTable.get(cb)(timeStamp, userData)) {
+        if (getWasmTableEntry(cb)(timeStamp, userData)) {
           requestAnimationFrame(tick);
         }
       }
@@ -1947,7 +2006,7 @@ var ASM_CONSTS = {
   
       // Memory resize rules:
       // 1. Always increase heap size to at least the requested size, rounded up to next page multiple.
-      // 2a. If MEMORY_GROWTH_LINEAR_STEP == -1, excessively resize the heap geometrically: increase the heap size according to 
+      // 2a. If MEMORY_GROWTH_LINEAR_STEP == -1, excessively resize the heap geometrically: increase the heap size according to
       //                                         MEMORY_GROWTH_GEOMETRIC_STEP factor (default +20%),
       //                                         At most overreserve by MEMORY_GROWTH_GEOMETRIC_CAP bytes (default 96MB).
       // 2b. If MEMORY_GROWTH_LINEAR_STEP != -1, excessively resize the heap linearly: increase the heap size by at least MEMORY_GROWTH_LINEAR_STEP bytes.
@@ -2030,7 +2089,7 @@ var ASM_CONSTS = {
         // TODO: Make this access thread safe, or this could update live while app is reading it.
         fillMouseEventData(JSEvents.mouseEvent, e, target);
   
-        if (wasmTable.get(callbackfunc)(eventTypeId, JSEvents.mouseEvent, userData)) e.preventDefault();
+        if (getWasmTableEntry(callbackfunc)(eventTypeId, JSEvents.mouseEvent, userData)) e.preventDefault();
       };
   
       var eventHandler = {
@@ -2077,7 +2136,7 @@ var ASM_CONSTS = {
         HEAP32[(((uiEvent)+(24))>>2)] = outerHeight;
         HEAP32[(((uiEvent)+(28))>>2)] = pageXOffset;
         HEAP32[(((uiEvent)+(32))>>2)] = pageYOffset;
-        if (wasmTable.get(callbackfunc)(eventTypeId, uiEvent, userData)) e.preventDefault();
+        if (getWasmTableEntry(callbackfunc)(eventTypeId, uiEvent, userData)) e.preventDefault();
       };
   
       var eventHandler = {
@@ -2455,14 +2514,6 @@ var ASM_CONSTS = {
     }
   Module["_emscripten_webgl_make_context_current"] = _emscripten_webgl_make_context_current;
 
-  function flush_NO_FILESYSTEM() {
-      // flush anything remaining in the buffers during shutdown
-      if (typeof _fflush !== 'undefined') _fflush(0);
-      var buffers = SYSCALLS.buffers;
-      if (buffers[1].length) SYSCALLS.printChar(1, 10);
-      if (buffers[2].length) SYSCALLS.printChar(2, 10);
-    }
-  
   var SYSCALLS = {mappings:{},buffers:[null,[],[]],printChar:function(stream, curr) {
         var buffer = SYSCALLS.buffers[stream];
         assert(buffer);
@@ -2485,18 +2536,36 @@ var ASM_CONSTS = {
         else assert(high === -1);
         return low;
       }};
+  function _fd_close(fd) {
+      abort('it should not be possible to operate on streams when !SYSCALLS_REQUIRE_FILESYSTEM');
+      return 0;
+    }
+
+  function _fd_seek(fd, offset_low, offset_high, whence, newOffset) {
+  abort('it should not be possible to operate on streams when !SYSCALLS_REQUIRE_FILESYSTEM');
+  }
+
+  function flush_NO_FILESYSTEM() {
+      // flush anything remaining in the buffers during shutdown
+      if (typeof _fflush !== 'undefined') _fflush(0);
+      var buffers = SYSCALLS.buffers;
+      if (buffers[1].length) SYSCALLS.printChar(1, 10);
+      if (buffers[2].length) SYSCALLS.printChar(2, 10);
+    }
   function _fd_write(fd, iov, iovcnt, pnum) {
+      ;
       // hack to support printf in SYSCALLS_REQUIRE_FILESYSTEM=0
       var num = 0;
       for (var i = 0; i < iovcnt; i++) {
-        var ptr = HEAP32[(((iov)+(i*8))>>2)];
-        var len = HEAP32[(((iov)+(i*8 + 4))>>2)];
+        var ptr = HEAP32[((iov)>>2)];
+        var len = HEAP32[(((iov)+(4))>>2)];
+        iov += 8;
         for (var j = 0; j < len; j++) {
           SYSCALLS.printChar(fd, HEAPU8[ptr+j]);
         }
         num += len;
       }
-      HEAP32[((pnum)>>2)] = num
+      HEAP32[((pnum)>>2)] = num;
       return 0;
     }
 
@@ -2971,6 +3040,7 @@ var ASM_CONSTS = {
     }
 
   function _time(ptr) {
+      ;
       var ret = (Date.now()/1000)|0;
       if (ptr) {
         HEAP32[((ptr)>>2)] = ret;
@@ -3024,6 +3094,8 @@ var asmLibraryArg = {
   "emscripten_webgl_create_context": _emscripten_webgl_create_context,
   "emscripten_webgl_init_context_attributes": _emscripten_webgl_init_context_attributes,
   "emscripten_webgl_make_context_current": _emscripten_webgl_make_context_current,
+  "fd_close": _fd_close,
+  "fd_seek": _fd_seek,
   "fd_write": _fd_write,
   "glAttachShader": _glAttachShader,
   "glBindBuffer": _glBindBuffer,
@@ -3167,6 +3239,7 @@ if (!Object.getOwnPropertyDescriptor(Module, "stringToNewUTF8")) Module["stringT
 if (!Object.getOwnPropertyDescriptor(Module, "setFileTime")) Module["setFileTime"] = function() { abort("'setFileTime' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
 if (!Object.getOwnPropertyDescriptor(Module, "emscripten_realloc_buffer")) Module["emscripten_realloc_buffer"] = function() { abort("'emscripten_realloc_buffer' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
 if (!Object.getOwnPropertyDescriptor(Module, "ENV")) Module["ENV"] = function() { abort("'ENV' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
+if (!Object.getOwnPropertyDescriptor(Module, "withStackSave")) Module["withStackSave"] = function() { abort("'withStackSave' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
 if (!Object.getOwnPropertyDescriptor(Module, "ERRNO_CODES")) Module["ERRNO_CODES"] = function() { abort("'ERRNO_CODES' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
 if (!Object.getOwnPropertyDescriptor(Module, "ERRNO_MESSAGES")) Module["ERRNO_MESSAGES"] = function() { abort("'ERRNO_MESSAGES' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
 if (!Object.getOwnPropertyDescriptor(Module, "setErrNo")) Module["setErrNo"] = function() { abort("'setErrNo' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
@@ -3184,7 +3257,6 @@ if (!Object.getOwnPropertyDescriptor(Module, "Sockets")) Module["Sockets"] = fun
 if (!Object.getOwnPropertyDescriptor(Module, "getRandomDevice")) Module["getRandomDevice"] = function() { abort("'getRandomDevice' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
 if (!Object.getOwnPropertyDescriptor(Module, "traverseStack")) Module["traverseStack"] = function() { abort("'traverseStack' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
 if (!Object.getOwnPropertyDescriptor(Module, "UNWIND_CACHE")) Module["UNWIND_CACHE"] = function() { abort("'UNWIND_CACHE' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
-if (!Object.getOwnPropertyDescriptor(Module, "withBuiltinMalloc")) Module["withBuiltinMalloc"] = function() { abort("'withBuiltinMalloc' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
 if (!Object.getOwnPropertyDescriptor(Module, "readAsmConstArgsArray")) Module["readAsmConstArgsArray"] = function() { abort("'readAsmConstArgsArray' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
 if (!Object.getOwnPropertyDescriptor(Module, "readAsmConstArgs")) Module["readAsmConstArgs"] = function() { abort("'readAsmConstArgs' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
 if (!Object.getOwnPropertyDescriptor(Module, "mainThreadEM_ASM")) Module["mainThreadEM_ASM"] = function() { abort("'mainThreadEM_ASM' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
@@ -3197,6 +3269,9 @@ if (!Object.getOwnPropertyDescriptor(Module, "dynCallLegacy")) Module["dynCallLe
 if (!Object.getOwnPropertyDescriptor(Module, "getDynCaller")) Module["getDynCaller"] = function() { abort("'getDynCaller' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
 if (!Object.getOwnPropertyDescriptor(Module, "dynCall")) Module["dynCall"] = function() { abort("'dynCall' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
 if (!Object.getOwnPropertyDescriptor(Module, "callRuntimeCallbacks")) Module["callRuntimeCallbacks"] = function() { abort("'callRuntimeCallbacks' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
+if (!Object.getOwnPropertyDescriptor(Module, "wasmTableMirror")) Module["wasmTableMirror"] = function() { abort("'wasmTableMirror' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
+if (!Object.getOwnPropertyDescriptor(Module, "setWasmTableEntry")) Module["setWasmTableEntry"] = function() { abort("'setWasmTableEntry' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
+if (!Object.getOwnPropertyDescriptor(Module, "getWasmTableEntry")) Module["getWasmTableEntry"] = function() { abort("'getWasmTableEntry' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
 if (!Object.getOwnPropertyDescriptor(Module, "handleException")) Module["handleException"] = function() { abort("'handleException' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
 if (!Object.getOwnPropertyDescriptor(Module, "runtimeKeepalivePush")) Module["runtimeKeepalivePush"] = function() { abort("'runtimeKeepalivePush' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
 if (!Object.getOwnPropertyDescriptor(Module, "runtimeKeepalivePop")) Module["runtimeKeepalivePop"] = function() { abort("'runtimeKeepalivePop' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
@@ -3262,7 +3337,6 @@ if (!Object.getOwnPropertyDescriptor(Module, "battery")) Module["battery"] = fun
 if (!Object.getOwnPropertyDescriptor(Module, "registerBatteryEventCallback")) Module["registerBatteryEventCallback"] = function() { abort("'registerBatteryEventCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
 if (!Object.getOwnPropertyDescriptor(Module, "setCanvasElementSize")) Module["setCanvasElementSize"] = function() { abort("'setCanvasElementSize' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
 if (!Object.getOwnPropertyDescriptor(Module, "getCanvasElementSize")) Module["getCanvasElementSize"] = function() { abort("'getCanvasElementSize' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
-if (!Object.getOwnPropertyDescriptor(Module, "polyfillSetImmediate")) Module["polyfillSetImmediate"] = function() { abort("'polyfillSetImmediate' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
 if (!Object.getOwnPropertyDescriptor(Module, "demangle")) Module["demangle"] = function() { abort("'demangle' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
 if (!Object.getOwnPropertyDescriptor(Module, "demangleAll")) Module["demangleAll"] = function() { abort("'demangleAll' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
 if (!Object.getOwnPropertyDescriptor(Module, "jsStackTrace")) Module["jsStackTrace"] = function() { abort("'jsStackTrace' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
@@ -3279,6 +3353,9 @@ if (!Object.getOwnPropertyDescriptor(Module, "readI53FromI64")) Module["readI53F
 if (!Object.getOwnPropertyDescriptor(Module, "readI53FromU64")) Module["readI53FromU64"] = function() { abort("'readI53FromU64' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
 if (!Object.getOwnPropertyDescriptor(Module, "convertI32PairToI53")) Module["convertI32PairToI53"] = function() { abort("'convertI32PairToI53' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
 if (!Object.getOwnPropertyDescriptor(Module, "convertU32PairToI53")) Module["convertU32PairToI53"] = function() { abort("'convertU32PairToI53' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
+if (!Object.getOwnPropertyDescriptor(Module, "setImmediateWrapped")) Module["setImmediateWrapped"] = function() { abort("'setImmediateWrapped' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
+if (!Object.getOwnPropertyDescriptor(Module, "clearImmediateWrapped")) Module["clearImmediateWrapped"] = function() { abort("'clearImmediateWrapped' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
+if (!Object.getOwnPropertyDescriptor(Module, "polyfillSetImmediate")) Module["polyfillSetImmediate"] = function() { abort("'polyfillSetImmediate' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
 if (!Object.getOwnPropertyDescriptor(Module, "uncaughtExceptionCount")) Module["uncaughtExceptionCount"] = function() { abort("'uncaughtExceptionCount' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
 if (!Object.getOwnPropertyDescriptor(Module, "exceptionLast")) Module["exceptionLast"] = function() { abort("'exceptionLast' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
 if (!Object.getOwnPropertyDescriptor(Module, "exceptionCaught")) Module["exceptionCaught"] = function() { abort("'exceptionCaught' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
@@ -3390,23 +3467,10 @@ function callMain(args) {
     // execution is asynchronously handed off to a pthread.
     // if we're not running an evented main loop, it's time to exit
     exit(ret, /* implicit = */ true);
+    return ret;
   }
   catch (e) {
-    // Certain exception types we do not treat as errors since they are used for
-    // internal control flow.
-    // 1. ExitStatus, which is thrown by exit()
-    // 2. "unwind", which is thrown by emscripten_unwind_to_js_event_loop() and others
-    //    that wish to return to JS event loop.
-    if (e instanceof ExitStatus || e == 'unwind') {
-      return;
-    }
-    // Anything else is an unexpected exception and we treat it as hard error.
-    var toLog = e;
-    if (e && typeof e === 'object' && e.stack) {
-      toLog = [e, e.stack];
-    }
-    err('exception thrown: ' + toLog);
-    quit_(1, e);
+    return handleException(e);
   } finally {
     calledMain = true;
 
diff --git a/themes/dist/output.wasm b/themes/dist/output.wasm
index dff138e..202295c 100755
--- a/themes/dist/output.wasm
+++ b/themes/dist/output.wasm
diff --git a/themes/main.cpp b/themes/main.cpp
index e037dcf..54d303d 100644
--- a/themes/main.cpp
+++ b/themes/main.cpp
@@ -113,9 +113,9 @@ EM_BOOL selectAutumn(int eventType, const EmscriptenMouseEvent* mouseEvent, void
 	return true;
 }
 
-// -- Autumn theme3
+// -- Autumn theme
 void AutumnTheme::load(Renderer2d* renderer) {
-    renderer->clearColor = Vector4(252,76,2, 0.5).toNormalizedColor();
+    renderer->clearColor = Vector4(252, 210, 153, 125).toNormalizedColor();
 	auto lr = tree.load(renderer);
 	leafParticles.load(renderer, &lr);
 }