canonicalize const

lib/runtime/dart/_js_helper.js

 var _js_helper;
 (function(exports) {
   'use strict';
   class NoSideEffects extends core.Object {
     NoSideEffects() {
     }
   }
   class NoThrows extends core.Object {
     NoThrows() {
     }
@@ skipping 421 matching lines @@
     let prototypeForTag = hooks.prototypeForTag;
     exports.getTagFunction = o => getTag(o);
     exports.alternateTagFunction = (o, tag) => getUnknownTag(o, tag);
     exports.prototypeForTagFunction = tag => prototypeForTag(tag);
   }
   // Function applyHooksTransformer: (dynamic, dynamic) → dynamic
   function applyHooksTransformer(transformer, hooks) {
     let newHooks = transformer(hooks);
     return newHooks || hooks;
   }
-  let _baseHooks = new _foreign_helper.JS_CONST('function() {\n  function typeNameInChrome(o) {\n    var constructor = o.constructor;\n    if (constructor) {\n      var name = constructor.name;\n      if (name) return name;\n    }\n    var s = Object.prototype.toString.call(o);\n    return s.substring(8, s.length - 1);\n  }\n  function getUnknownTag(object, tag) {\n    // This code really belongs in [getUnknownTagGenericBrowser] but having it\n    // here allows [getUnknownTag] to be tested on d8.\n    if (/^HTML[A-Z].*Element$/.test(tag)) {\n      // Check that it is not a simple JavaScript object.\n      var name = Object.prototype.toString.call(object);\n      if (name == "[object Object]") return null;\n      return "HTMLElement";\n    }\n  }\n  function getUnknownTagGenericBrowser(object, tag) {\n    if (self.HTMLElement && object instanceof HTMLElement) return "HTMLElement";\n    return getUnknownTag(object, tag);\n  }\n  function prototypeForTag(tag) {\n    if (typeof window == "undefined") return null;\n    if (typeof window[tag] == "undefined") return null;\n    var constructor = window[tag];\n    if (typeof constructor != "function") return null;\n    return constructor.prototype;\n  }\n  function discriminator(tag) { return null; }\n\n  var isBrowser = typeof navigator == "object";\n\n  return {\n    getTag: typeNameInChrome,\n    getUnknownTag: isBrowser ? getUnknownTagGenericBrowser : getUnknownTag,\n    prototypeForTag: prototypeForTag,\n    discriminator: discriminator };\n}');
-  let _constructorNameFallback = new _foreign_helper.JS_CONST('function getTagFallback(o) {\n  var constructor = o.constructor;\n  if (typeof constructor == "function") {\n    var name = constructor.name;\n    // If the name is a non-empty string, we use that as the type name of this\n    // object.  There are various cases where that does not work, so we have to\n    // detect them and fall through to the toString() based implementation.\n\n    if (typeof name == "string" &&\n\n        // Sometimes the string is empty.  This test also catches minified\n        // shadow dom polyfil wrapper for Window on Firefox where the faked\n        // constructor name does not \'stick\'.  The shortest real DOM object\n        // names have three characters (e.g. URL, CSS).\n        name.length > 2 &&\n\n        // On Firefox we often get "Object" as the constructor name, even for\n        // more specialized DOM objects.\n        name !== "Object" &&\n\n        // This can happen in Opera.\n        name !== "Function.prototype") {\n      return name;\n    }\n  }\n  var s = Object.prototype.toString.call(o);\n  return s.substring(8, s.length - 1);\n}');
-  let _fallbackConstructorHooksTransformerGenerator = new _foreign_helper.JS_CONST('function(getTagFallback) {\n  return function(hooks) {\n    // If we are not in a browser, assume we are in d8.\n    // TODO(sra): Recognize jsshell.\n    if (typeof navigator != "object") return hooks;\n\n    var ua = navigator.userAgent;\n    // TODO(antonm): remove a reference to DumpRenderTree.\n    if (ua.indexOf("DumpRenderTree") >= 0) return hooks;\n    if (ua.indexOf("Chrome") >= 0) {\n      // Confirm constructor name is usable for dispatch.\n      function confirm(p) {\n        return typeof window == "object" && window[p] && window[p].name == p;\n      }\n      if (confirm("Window") && confirm("HTMLElement")) return hooks;\n    }\n\n    hooks.getTag = getTagFallback;\n  };\n}');
-  let _ieHooksTransformer = new _foreign_helper.JS_CONST('function(hooks) {\n  var userAgent = typeof navigator == "object" ? navigator.userAgent : "";\n  if (userAgent.indexOf("Trident/") == -1) return hooks;\n\n  var getTag = hooks.getTag;\n\n  var quickMap = {\n    "BeforeUnloadEvent": "Event",\n    "DataTransfer": "Clipboard",\n    "HTMLDDElement": "HTMLElement",\n    "HTMLDTElement": "HTMLElement",\n    "HTMLPhraseElement": "HTMLElement",\n    "Position": "Geoposition"\n  };\n\n  function getTagIE(o) {\n    var tag = getTag(o);\n    var newTag = quickMap[tag];\n    if (newTag) return newTag;\n    // Patches for types which report themselves as Objects.\n    if (tag == "Object") {\n      if (window.DataView && (o instanceof window.DataView)) return "DataView";\n    }\n    return tag;\n  }\n\n  function prototypeForTagIE(tag) {\n    var constructor = window[tag];\n    if (constructor == null) return null;\n    return constructor.prototype;\n  }\n\n  hooks.getTag = getTagIE;\n  hooks.prototypeForTag = prototypeForTagIE;\n}');
-  let _fixDocumentHooksTransformer = new _foreign_helper.JS_CONST('function(hooks) {\n  var getTag = hooks.getTag;\n  var prototypeForTag = hooks.prototypeForTag;\n  function getTagFixed(o) {\n    var tag = getTag(o);\n    if (tag == "Document") {\n      // Some browsers and the polymer polyfill call both HTML and XML documents\n      // "Document", so we check for the xmlVersion property, which is the empty\n      // string on HTML documents. Since both dart:html classes Document and\n      // HtmlDocument share the same type, we must patch the instances and not\n      // the prototype.\n      if (!!o.xmlVersion) return "!Document";\n      return "!HTMLDocument";\n    }\n    return tag;\n  }\n\n  function prototypeForTagFixed(tag) {\n    if (tag == "Document") return null;  // Do not pre-patch Document.\n    return prototypeForTag(tag);\n  }\n\n  hooks.getTag = getTagFixed;\n  hooks.prototypeForTag = prototypeForTagFixed;\n}');
-  let _firefoxHooksTransformer = new _foreign_helper.JS_CONST('function(hooks) {\n  var userAgent = typeof navigator == "object" ? navigator.userAgent : "";\n  if (userAgent.indexOf("Firefox") == -1) return hooks;\n\n  var getTag = hooks.getTag;\n\n  var quickMap = {\n    "BeforeUnloadEvent": "Event",\n    "DataTransfer": "Clipboard",\n    "GeoGeolocation": "Geolocation",\n    "Location": "!Location",               // Fixes issue 18151\n    "WorkerMessageEvent": "MessageEvent",\n    "XMLDocument": "!Document"};\n\n  function getTagFirefox(o) {\n    var tag = getTag(o);\n    return quickMap[tag] || tag;\n  }\n\n  hooks.getTag = getTagFirefox;\n}');
-  let _operaHooksTransformer = new _foreign_helper.JS_CONST('function(hooks) { return hooks; }\n');
-  let _safariHooksTransformer = new _foreign_helper.JS_CONST('function(hooks) { return hooks; }\n');
-  let _dartExperimentalFixupGetTagHooksTransformer = new _foreign_helper.JS_CONST('function(hooks) {\n  if (typeof dartExperimentalFixupGetTag != "function") return hooks;\n  hooks.getTag = dartExperimentalFixupGetTag(hooks.getTag);\n}');
+  let _baseHooks = dart.const(new _foreign_helper.JS_CONST('function() {\n  function typeNameInChrome(o) {\n    var constructor = o.constructor;\n    if (constructor) {\n      var name = constructor.name;\n      if (name) return name;\n    }\n    var s = Object.prototype.toString.call(o);\n    return s.substring(8, s.length - 1);\n  }\n  function getUnknownTag(object, tag) {\n    // This code really belongs in [getUnknownTagGenericBrowser] but having it\n    // here allows [getUnknownTag] to be tested on d8.\n    if (/^HTML[A-Z].*Element$/.test(tag)) {\n      // Check that it is not a simple JavaScript object.\n      var name = Object.prototype.toString.call(object);\n      if (name == "[object Object]") return null;\n      return "HTMLElement";\n    }\n  }\n  function getUnknownTagGenericBrowser(object, tag) {\n    if (self.HTMLElement && object instanceof HTMLElement) return "HTMLElement";\n    return getUnknownTag(object, tag);\n  }\n  function prototypeForTag(tag) {\n    if (typeof window == "undefined") return null;\n    if (typeof window[tag] == "undefined") return null;\n    var constructor = window[tag];\n    if (typeof constructor != "function") return null;\n    return constructor.prototype;\n  }\n  function discriminator(tag) { return null; }\n\n  var isBrowser = typeof navigator == "object";\n\n  return {\n    getTag: typeNameInChrome,\n    getUnknownTag: isBrowser ? getUnknownTagGenericBrowser : getUnknownTag,\n    prototypeForTag: prototypeForTag,\n    discriminator: discriminator };\n}'));
+  let _constructorNameFallback = dart.const(new _foreign_helper.JS_CONST('function getTagFallback(o) {\n  var constructor = o.constructor;\n  if (typeof constructor == "function") {\n    var name = constructor.name;\n    // If the name is a non-empty string, we use that as the type name of this\n    // object.  There are various cases where that does not work, so we have to\n    // detect them and fall through to the toString() based implementation.\n\n    if (typeof name == "string" &&\n\n        // Sometimes the string is empty.  This test also catches minified\n        // shadow dom polyfil wrapper for Window on Firefox where the faked\n        // constructor name does not \'stick\'.  The shortest real DOM object\n        // names have three characters (e.g. URL, CSS).\n        name.length > 2 &&\n\n        // On Firefox we often get "Object" as the constructor name, even for\n        // more specialized DOM objects.\n        name !== "Object" &&\n\n        // This can happen in Opera.\n        name !== "Function.prototype") {\n      return name;\n    }\n  }\n  var s = Object.prototype.toString.call(o);\n  return s.substring(8, s.length - 1);\n}'));
+  let _fallbackConstructorHooksTransformerGenerator = dart.const(new _foreign_helper.JS_CONST('function(getTagFallback) {\n  return function(hooks) {\n    // If we are not in a browser, assume we are in d8.\n    // TODO(sra): Recognize jsshell.\n    if (typeof navigator != "object") return hooks;\n\n    var ua = navigator.userAgent;\n    // TODO(antonm): remove a reference to DumpRenderTree.\n    if (ua.indexOf("DumpRenderTree") >= 0) return hooks;\n    if (ua.indexOf("Chrome") >= 0) {\n      // Confirm constructor name is usable for dispatch.\n      function confirm(p) {\n        return typeof window == "object" && window[p] && window[p].name == p;\n      }\n      if (confirm("Window") && confirm("HTMLElement")) return hooks;\n    }\n\n    hooks.getTag = getTagFallback;\n  };\n}'));
+  let _ieHooksTransformer = dart.const(new _foreign_helper.JS_CONST('function(hooks) {\n  var userAgent = typeof navigator == "object" ? navigator.userAgent : "";\n  if (userAgent.indexOf("Trident/") == -1) return hooks;\n\n  var getTag = hooks.getTag;\n\n  var quickMap = {\n    "BeforeUnloadEvent": "Event",\n    "DataTransfer": "Clipboard",\n    "HTMLDDElement": "HTMLElement",\n    "HTMLDTElement": "HTMLElement",\n    "HTMLPhraseElement": "HTMLElement",\n    "Position": "Geoposition"\n  };\n\n  function getTagIE(o) {\n    var tag = getTag(o);\n    var newTag = quickMap[tag];\n    if (newTag) return newTag;\n    // Patches for types which report themselves as Objects.\n    if (tag == "Object") {\n      if (window.DataView && (o instanceof window.DataView)) return "DataView";\n    }\n    return tag;\n  }\n\n  function prototypeForTagIE(tag) {\n    var constructor = window[tag];\n    if (constructor == null) return null;\n    return constructor.prototype;\n  }\n\n  hooks.getTag = getTagIE;\n  hooks.prototypeForTag = prototypeForTagIE;\n}'));
+  let _fixDocumentHooksTransformer = dart.const(new _foreign_helper.JS_CONST('function(hooks) {\n  var getTag = hooks.getTag;\n  var prototypeForTag = hooks.prototypeForTag;\n  function getTagFixed(o) {\n    var tag = getTag(o);\n    if (tag == "Document") {\n      // Some browsers and the polymer polyfill call both HTML and XML documents\n      // "Document", so we check for the xmlVersion property, which is the empty\n      // string on HTML documents. Since both dart:html classes Document and\n      // HtmlDocument share the same type, we must patch the instances and not\n      // the prototype.\n      if (!!o.xmlVersion) return "!Document";\n      return "!HTMLDocument";\n    }\n    return tag;\n  }\n\n  function prototypeForTagFixed(tag) {\n    if (tag == "Document") return null;  // Do not pre-patch Document.\n    return prototypeForTag(tag);\n  }\n\n  hooks.getTag = getTagFixed;\n  hooks.prototypeForTag = prototypeForTagFixed;\n}'));
+  let _firefoxHooksTransformer = dart.const(new _foreign_helper.JS_CONST('function(hooks) {\n  var userAgent = typeof navigator == "object" ? navigator.userAgent : "";\n  if (userAgent.indexOf("Firefox") == -1) return hooks;\n\n  var getTag = hooks.getTag;\n\n  var quickMap = {\n    "BeforeUnloadEvent": "Event",\n    "DataTransfer": "Clipboard",\n    "GeoGeolocation": "Geolocation",\n    "Location": "!Location",               // Fixes issue 18151\n    "WorkerMessageEvent": "MessageEvent",\n    "XMLDocument": "!Document"};\n\n  function getTagFirefox(o) {\n    var tag = getTag(o);\n    return quickMap[tag] || tag;\n  }\n\n  hooks.getTag = getTagFirefox;\n}'));
+  let _operaHooksTransformer = dart.const(new _foreign_helper.JS_CONST('function(hooks) { return hooks; }\n'));
+  let _safariHooksTransformer = dart.const(new _foreign_helper.JS_CONST('function(hooks) { return hooks; }\n'));
+  let _dartExperimentalFixupGetTagHooksTransformer = dart.const(new _foreign_helper.JS_CONST('function(hooks) {\n  if (typeof dartExperimentalFixupGetTag != "function") return hooks;\n  hooks.getTag = dartExperimentalFixupGetTag(hooks.getTag);\n}'));
   let _nativeRegExp = Symbol('_nativeRegExp');
   // Function regExpGetNative: (JSSyntaxRegExp) → dynamic
   function regExpGetNative(regexp) {
     return regexp[_nativeRegExp];
   }
   let _nativeGlobalVersion = Symbol('_nativeGlobalVersion');
   // Function regExpGetGlobalNative: (JSSyntaxRegExp) → dynamic
   function regExpGetGlobalNative(regexp) {
     let nativeRegexp = regexp[_nativeGlobalVersion];
     nativeRegexp.lastIndex = 0;
@@ skipping 878 matching lines @@
     return str;
   }
   // Function unmangleAllIdentifiersIfPreservedAnyways: (String) → String
   function unmangleAllIdentifiersIfPreservedAnyways(str) {
     return str;
   }
   class _Patch extends core.Object {
     _Patch() {
     }
   }
-  let patch = new _Patch();
+  let patch = dart.const(new _Patch());
   class InternalMap extends core.Object {}
   // Function requiresPreamble: () → dynamic
   function requiresPreamble() {
   }
   // Function isJsIndexable: (dynamic, dynamic) → bool
   function isJsIndexable(object, record) {
     if (record != null) {
       let result = _interceptors.dispatchRecordIndexability(record);
       if (result != null)
         return dart.as(result, core.bool);
@@ skipping 80 matching lines @@
       return this[_kind] == JSInvocationMirror.GETTER;
     }
     get isSetter() {
       return this[_kind] == JSInvocationMirror.SETTER;
     }
     get isAccessor() {
       return this[_kind] != JSInvocationMirror.METHOD;
     }
     get positionalArguments() {
       if (this.isGetter)
-        return /* Unimplemented const */[];
+        return dart.const([]);
       let argumentCount = dart.notNull(this[_arguments][core.$length]) - dart.notNull(this[_namedArgumentNames][core.$length]);
       if (argumentCount == 0)
-        return /* Unimplemented const */[];
+        return dart.const([]);
       let list = [];
       for (let index = 0; dart.notNull(index) < dart.notNull(argumentCount); index = dart.notNull(index) + 1) {
         list[core.$add](this[_arguments][core.$get](index));
       }
       return dart.as(makeLiteralListConst(list), core.List);
     }
     get namedArguments() {
       if (this.isAccessor)
         return dart.map();
       let namedArgumentCount = this[_namedArgumentNames][core.$length];
@@ skipping 574 matching lines @@
       let names = '';
       if (dart.notNull(namedArguments != null) && !dart.notNull(namedArguments.isEmpty)) {
         namedArguments.forEach((name, argument) => {
           names = `${names}$${name}`;
           namedArgumentList[core.$add](name);
           arguments$[core.$add](argument);
           argumentCount = dart.notNull(argumentCount) + 1;
         });
       }
       let selectorName = `${_foreign_helper.JS_GET_NAME("CALL_PREFIX")}$${argumentCount}${names}`;
-      return dart.dsend(func, 'noSuchMethod', createUnmangledInvocationMirror(/* Unimplemented const */new _internal.Symbol("call"), selectorName, JSInvocationMirror.METHOD, arguments$, namedArgumentList));
+      return dart.dsend(func, 'noSuchMethod', createUnmangledInvocationMirror(dart.const(new core.Symbol('call')), selectorName, JSInvocationMirror.METHOD, arguments$, namedArgumentList));
     }
     static applyFunction(func, positionalArguments, namedArguments) {
       return namedArguments == null ? Primitives.applyFunctionWithPositionalArguments(func, positionalArguments) : Primitives.applyFunctionWithNamedArguments(func, positionalArguments, namedArguments);
     }
     static applyFunctionWithPositionalArguments(func, positionalArguments) {
       let argumentCount = 0;
       let arguments$ = null;
       if (positionalArguments != null) {
         if (positionalArguments instanceof Array) {
           arguments$ = positionalArguments;
@@ skipping 1421 matching lines @@
     }
     toString() {
       return 'dynamic';
     }
     toRti() {
       return null;
     }
   }
   // Function getDynamicRuntimeType: () → RuntimeType
   function getDynamicRuntimeType() {
-    return new DynamicRuntimeType();
+    return dart.const(new DynamicRuntimeType());
   }
   class VoidRuntimeType extends RuntimeType {
     VoidRuntimeType() {
       super.RuntimeType();
     }
     toString() {
       return 'void';
     }
     toRti() {
       return dart.throw_('internal error');
     }
   }
   // Function getVoidRuntimeType: () → RuntimeType
   function getVoidRuntimeType() {
-    return new VoidRuntimeType();
+    return dart.const(new VoidRuntimeType());
   }
   // Function functionTypeTestMetaHelper: () → dynamic
   function functionTypeTestMetaHelper() {
     let dyn = x;
     let dyn2 = x;
     let fixedListOrNull = dart.as(x, core.List);
     let fixedListOrNull2 = dart.as(x, core.List);
     let fixedList = dart.as(x, core.List);
     let jsObject = x;
     buildFunctionType(dyn, fixedListOrNull, fixedListOrNull2);
@@ skipping 103 matching lines @@
     get [_optionalArguments]() {
       return dart.as(this[_typeData].opt, core.List);
     }
     get [_hasNamedArguments]() {
       return "named" in this[_typeData];
     }
     get [_namedArguments]() {
       return this[_typeData].named;
     }
     toRuntimeType() {
-      return new DynamicRuntimeType();
+      return dart.const(new DynamicRuntimeType());
     }
     [_convert](type) {
       let result = runtimeTypeToString(type);
       if (result != null)
         return result;
       if ("func" in type) {
         return new FunctionTypeInfoDecoderRing(type).toString();
       } else {
         throw 'bad type';
       }
@@ skipping 427 matching lines @@
   exports.jsonEncodeNative = jsonEncodeNative;
   exports.getIsolateAffinityTag = getIsolateAffinityTag;
   exports.LoadLibraryFunctionType = LoadLibraryFunctionType;
   exports.DeferredLoadCallback = DeferredLoadCallback;
   exports.loadDeferredLibrary = loadDeferredLibrary;
   exports.MainError = MainError;
   exports.missingMain = missingMain;
   exports.badMain = badMain;
   exports.mainHasTooManyParameters = mainHasTooManyParameters;
 })(_js_helper || (_js_helper = {}));