mirror of
https://github.com/dart-lang/sdk
synced 2024-10-04 19:39:41 +00:00
Revert "Enhance dart:js interop in a backwards compatible manner."
This reverts commit ac32e37ab1300cb1ce1cd081f050ff1d04e54cbe. BUG= Review URL: https://codereview.chromium.org//1209093005.
This commit is contained in:
parent
3fdeb669ee
commit
7e9e4d89d3
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@ -120,9 +120,9 @@ final htmlBlinkMap = {
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'_DOMWindowCrossFrame': () => _DOMWindowCrossFrame,
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// FIXME: Move these to better locations.
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'DateTime': () => DateTime,
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'JsObject': () => js.JsObjectImpl,
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'JsFunction': () => js.JsFunctionImpl,
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'JsArray': () => js.JsArrayImpl,
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'JsObject': () => js.JsObject,
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'JsFunction': () => js.JsFunction,
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'JsArray': () => js.JsArray,
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'AbstractWorker': () => AbstractWorker,
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'Animation': () => Animation,
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'AnimationEffect': () => AnimationEffect,
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@ -89,386 +89,11 @@ library dart.js;
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import 'dart:collection' show ListMixin;
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import 'dart:nativewrappers';
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import 'dart:math' as math;
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import 'dart:mirrors' as mirrors;
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// Pretend we are always in checked mode as we aren't interested in users
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// running Dartium code outside of checked mode.
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final bool CHECK_JS_INVOCATIONS = true;
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final _allowedMethods = new Map<Symbol, _DeclarationSet>();
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final _allowedGetters = new Map<Symbol, _DeclarationSet>();
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final _allowedSetters = new Map<Symbol, _DeclarationSet>();
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final _jsInterfaceTypes = new Set<Type>();
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Iterable<Type> get jsInterfaceTypes => _jsInterfaceTypes;
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/// A collection of methods where all methods have the same name.
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/// This class is intended to optimize whether a specific invocation is
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/// appropritate for at least some of the methods in the collection.
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class _DeclarationSet {
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_DeclarationSet() : _members = <mirrors.DeclarationMirror>[];
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static bool _checkType(obj, mirrors.TypeMirror type) {
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if (obj == null) return true;
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return mirrors.reflectType(obj.runtimeType).isSubtypeOf(type);
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}
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/// Returns whether the return [value] has a type is consistent with the
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/// return type from at least one of the members matching the DeclarationSet.
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bool _checkReturnType(value) {
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if (value == null) return true;
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var valueMirror = mirrors.reflectType(value.runtimeType);
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for (var member in _members) {
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if (member is mirrors.VariableMirror || member.isGetter) {
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// TODO(jacobr): actually check return types for getters that return
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// function types.
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return true;
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} else {
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if (valueMirror.isSubtypeOf(member.returnType)) return true;
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}
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}
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return false;
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}
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/**
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* Check whether the [invocation] is consistent with the [member] mirror.
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*/
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bool _checkDeclaration(
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Invocation invocation, mirrors.DeclarationMirror member) {
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if (member is mirrors.VariableMirror || member.isGetter) {
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// TODO(jacobr): actually check method types against the function type
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// returned by the getter or field.
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return true;
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}
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var parameters = member.parameters;
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var positionalArguments = invocation.positionalArguments;
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// Too many arguments
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if (parameters.length < positionalArguments.length) return false;
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// Too few required arguments.
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if (parameters.length > positionalArguments.length &&
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!parameters[positionalArguments.length].isOptional) return false;
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for (var i = 0; i < positionalArguments.length; i++) {
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if (parameters[i].isNamed) {
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// Not enough positional arguments.
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return false;
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}
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if (!_checkType(
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invocation.positionalArguments[i], parameters[i].type)) return false;
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}
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if (invocation.namedArguments.isNotEmpty) {
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var startNamed;
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for (startNamed = parameters.length - 1; startNamed >= 0; startNamed--) {
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if (!parameters[startNamed].isNamed) break;
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}
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startNamed++;
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// TODO(jacobr): we are unneccessarily using an O(n^2) algorithm here.
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// If we have JS APIs with a lange number of named parameters we should
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// optimize this. Either use a HashSet or invert this, walking over
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// parameters, querying invocation, and making sure we match
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//invocation.namedArguments.size keys.
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for (var name in invocation.namedArguments.keys) {
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bool match = false;
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for (var j = startNamed; j < parameters.length; j++) {
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var p = parameters[j];
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if (p.simpleName == name) {
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if (!_checkType(invocation.namedArguments[name],
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parameters[j].type)) return false;
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match = true;
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break;
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}
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}
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if (match == false) return false;
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}
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}
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return true;
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}
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bool checkInvocation(Invocation invocation) {
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for (var member in _members) {
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if (_checkDeclaration(invocation, member)) return true;
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}
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return false;
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}
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void add(mirrors.DeclarationMirror mirror) {
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_members.add(mirror);
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}
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final List<mirrors.DeclarationMirror> _members;
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}
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/**
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* Temporary method that we hope to remove at some point. This method should
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* generally only be called by machine generated code.
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*/
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void registerJsInterfaces(List<Type> classes) {
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if (_finalized == true) {
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throw 'JSInterop class registration already finalized';
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}
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for (Type type in classes) {
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if (!_jsInterfaceTypes.add(type)) continue; // Already registered.
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mirrors.ClassMirror typeMirror = mirrors.reflectType(type);
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typeMirror.declarations.forEach((symbol, declaration) {
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if (declaration is mirrors.MethodMirror ||
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declaration is mirrors.VariableMirror && !declaration.isStatic) {
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bool treatAsGetter = false;
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bool treatAsSetter = false;
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if (declaration is mirrors.VariableMirror) {
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treatAsGetter = true;
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if (!declaration.isConst && !declaration.isFinal) {
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treatAsSetter = true;
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}
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} else {
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if (declaration.isGetter) {
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treatAsGetter = true;
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} else if (declaration.isSetter) {
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treatAsSetter = true;
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} else if (!declaration.isConstructor) {
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_allowedMethods
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.putIfAbsent(symbol, () => new _DeclarationSet())
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.add(declaration);
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}
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}
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if (treatAsGetter) {
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_allowedGetters
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.putIfAbsent(symbol, () => new _DeclarationSet())
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.add(declaration);
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_allowedMethods
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.putIfAbsent(symbol, () => new _DeclarationSet())
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.add(declaration);
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}
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if (treatAsSetter) {
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_allowedSetters
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.putIfAbsent(symbol, () => new _DeclarationSet())
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.add(declaration);
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}
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}
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});
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}
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}
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_finalizeJsInterfaces() native "Js_finalizeJsInterfaces";
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/**
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* Generates a part file defining source code for JsObjectImpl and related
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* classes. This calass is needed so that type checks for all registered JavaScript
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* interop classes pass.
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*/
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String _generateJsObjectImplPart() {
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Iterable<Type> types = jsInterfaceTypes;
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var libraryPrefixes = new Map<mirrors.LibraryMirror, String>();
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var prefixNames = new Set<String>();
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var sb = new StringBuffer();
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var implements = <String>[];
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for (var type in types) {
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mirrors.ClassMirror typeMirror = mirrors.reflectType(type);
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mirrors.LibraryMirror libraryMirror = typeMirror.owner;
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var prefixName;
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if (libraryPrefixes.containsKey(libraryMirror)) {
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prefixName = libraryPrefixes[libraryMirror];
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} else {
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var basePrefixName =
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mirrors.MirrorSystem.getName(libraryMirror.simpleName);
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basePrefixName = basePrefixName.replaceAll('.', '_');
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if (basePrefixName.isEmpty) basePrefixName = "lib";
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prefixName = basePrefixName;
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var i = 1;
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while (prefixNames.contains(prefixName)) {
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prefixName = '$basePrefixName$i';
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i++;
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}
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prefixNames.add(prefixName);
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libraryPrefixes[libraryMirror] = prefixName;
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}
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implements.add(
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'${prefixName}.${mirrors.MirrorSystem.getName(typeMirror.simpleName)}');
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}
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libraryPrefixes.forEach((libraryMirror, prefix) {
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sb.writeln('import "${libraryMirror.uri}" as $prefix;');
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});
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var implementsClause =
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implements.isEmpty ? "" : "implements ${implements.join(', ')}";
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// TODO(jacobr): only certain classes need to be implemented by
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// Function and Array.
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sb.write('''
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class JsObjectImpl extends JsObject $implementsClause {
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JsObjectImpl.internal() : super.internal();
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}
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class JsFunctionImpl extends JsFunction $implementsClause {
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JsFunctionImpl.internal() : super.internal();
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}
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class JsArrayImpl<E> extends JsArray<E> $implementsClause {
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JsArrayImpl.internal() : super.internal();
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}
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''');
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return sb.toString();
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}
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// Start of block of helper methods facilitating emulating JavaScript Array
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// methods on Dart List objects passed to JavaScript via JS interop.
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// TODO(jacobr): match JS more closely.
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String _toStringJs(obj) => '$obj';
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// TODO(jacobr): this might not exactly match JS semantics but should be
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// adequate for now.
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int _toIntJs(obj) {
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if (obj is int) return obj;
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if (obj is num) return obj.toInt();
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return num.parse('$obj'.trim(), (_) => 0).toInt();
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}
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// TODO(jacobr): this might not exactly match JS semantics but should be
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// adequate for now.
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num _toNumJs(obj) {
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return obj is num ? obj : num.parse('$obj'.trim(), (_) => 0);
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}
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/// Match the behavior of setting List length in JavaScript with the exception
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/// that Dart does not distinguish undefined and null.
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_setListLength(List list, rawlen) {
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num len = _toNumJs(rawlen);
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if (len is! int || len < 0) {
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throw new RangeError("Invalid array length");
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}
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if (len > list.length) {
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_arrayExtend(list, len);
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} else if (len < list.length) {
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list.removeRange(len, list.length);
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}
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return rawlen;
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}
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// TODO(jacobr): should we really bother with this method instead of just
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// shallow copying to a JS array and calling the JavaScript join method?
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String _arrayJoin(List list, sep) {
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if (sep == null) {
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sep = ",";
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}
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return list.map((e) => e == null ? "" : e.toString()).join(sep.toString());
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}
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// TODO(jacobr): should we really bother with this method instead of just
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// shallow copying to a JS array and using the toString method?
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String _arrayToString(List list) => _arrayJoin(list, ",");
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int _arrayPush(List list, e) {
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list.add(e);
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return list.length;
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}
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_arrayPop(List list) {
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if (list.length > 0) return list.removeLast();
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}
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// TODO(jacobr): would it be better to just copy input to a JS List
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// and call Array.concat?
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List _arrayConcat(List input, List args) {
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var ret = new List.from(input);
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for (var e in args) {
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// TODO(jacobr): technically in ES6 we should use
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// Symbol.isConcatSpreadable to determine whether call addAll. Once v8
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// supports it, we can make all Dart classes implementing Iterable
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// specify isConcatSpreadable and tweak this behavior to allow Iterable.
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if (e is List) {
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ret.addAll(e);
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} else {
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ret.add(e);
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}
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}
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return ret;
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}
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List _arraySplice(List input, List args) {
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int start = 0;
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if (args.length > 0) {
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var rawStart = _toIntJs(args[0]);
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if (rawStart < 0) {
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start = math.max(0, input.length - rawStart);
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} else {
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start = math.min(input.length, rawStart);
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}
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}
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var end = start;
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if (args.length > 1) {
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var rawDeleteCount = _toIntJs(args[1]);
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if (rawDeleteCount < 0) rawDeleteCount = 0;
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end = math.min(input.length, start + rawDeleteCount);
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}
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var replacement = [];
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var removedElements = input.getRange(start, end).toList();
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if (args.length > 2) {
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replacement = args.getRange(2, args.length);
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}
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input.replaceRange(start, end, replacement);
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return removedElements;
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}
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List _arrayReverse(List l) {
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for (var i = 0, j = l.length - 1; i < j; i++, j--) {
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var tmp = l[i];
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l[i] = l[j];
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l[j] = tmp;
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}
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return l;
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}
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_arrayShift(List l) {
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if (l.isEmpty) return null; // Technically we should return undefined.
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return l.removeAt(0);
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}
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int _arrayUnshift(List l, List args) {
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l.insertAll(0, args);
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return l.length;
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}
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_arrayExtend(List l, int newLength) {
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for (var i = l.length; i < newLength; i++) {
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// TODO(jacobr): we'd really like to add undefined to better match
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// JavaScript semantics.
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l.add(null);
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}
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}
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List _arraySort(List l, rawCompare) {
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// TODO(jacobr): alternately we could just copy the Array to JavaScript,
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// invoke the JS sort method and then copy the result back to Dart.
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Comparator compare;
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if (rawCompare == null) {
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compare = (a, b) => _toStringJs(a).compareTo(_toStringJs(b));
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} else if (rawCompare is JsFunction) {
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compare = (a, b) => rawCompare.apply([a, b]);
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} else {
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compare = rawCompare;
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}
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l.sort(compare);
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return l;
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}
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// End of block of helper methods to emulate JavaScript Array methods on Dart List.
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/**
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* Can be called to provide a predictable point where no more JS interfaces can
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* be added. Creating an instance of JsObject will also automatically trigger
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* all JsObjects to be finalized.
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*/
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void finalizeJsInterfaces() {
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if (_finalized == true) {
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throw 'JSInterop class registration already finalized';
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}
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_finalizeJsInterfaces();
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}
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JsObject _cachedContext;
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JsObject get _context native "Js_context_Callback";
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bool get _finalized native "Js_interfacesFinalized_Callback";
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JsObject get context {
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if (_cachedContext == null) {
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_cachedContext = _context;
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@ -489,24 +114,9 @@ class JsObject extends NativeFieldWrapperClass2 {
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* Constructs a new JavaScript object from [constructor] and returns a proxy
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* to it.
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*/
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factory JsObject(JsFunction constructor, [List arguments]) =>
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_create(constructor, arguments);
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factory JsObject(JsFunction constructor, [List arguments]) => _create(constructor, arguments);
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static JsObject _create(
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JsFunction constructor, arguments) native "JsObject_constructorCallback";
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_buildArgs(Invocation invocation) {
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if (invocation.namedArguments.isEmpty) {
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return invocation.positionalArguments;
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} else {
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var varArgs = new Map<String, Object>();
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invocation.namedArguments.forEach((symbol, val) {
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varArgs[mirrors.MirrorSystem.getName(symbol)] = val;
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});
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return invocation.positionalArguments.toList()
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..add(new JsObject.jsify(varArgs));
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}
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}
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static JsObject _create(JsFunction constructor, arguments) native "JsObject_constructorCallback";
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/**
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* Constructs a [JsObject] that proxies a native Dart object; _for expert use
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@ -521,7 +131,8 @@ class JsObject extends NativeFieldWrapperClass2 {
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*/
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factory JsObject.fromBrowserObject(object) {
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if (object is num || object is String || object is bool || object == null) {
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throw new ArgumentError("object cannot be a num, string, bool, or null");
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throw new ArgumentError(
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"object cannot be a num, string, bool, or null");
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}
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return _fromBrowserObject(object);
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}
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|
@ -544,8 +155,7 @@ class JsObject extends NativeFieldWrapperClass2 {
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static JsObject _jsify(object) native "JsObject_jsify";
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static JsObject _fromBrowserObject(
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object) native "JsObject_fromBrowserObject";
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static JsObject _fromBrowserObject(object) native "JsObject_fromBrowserObject";
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/**
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* Returns the value associated with [property] from the proxied JavaScript
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|
@ -553,7 +163,7 @@ class JsObject extends NativeFieldWrapperClass2 {
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*
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* The type of [property] must be either [String] or [num].
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*/
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operator [](property) native "JsObject_[]";
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operator[](property) native "JsObject_[]";
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/**
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* Sets the value associated with [property] on the proxied JavaScript
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|
@ -561,14 +171,13 @@ class JsObject extends NativeFieldWrapperClass2 {
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*
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* The type of [property] must be either [String] or [num].
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*/
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operator []=(property, value) native "JsObject_[]=";
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operator[]=(property, value) native "JsObject_[]=";
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int get hashCode native "JsObject_hashCode";
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operator ==(other) => other is JsObject && _identityEquality(this, other);
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operator==(other) => other is JsObject && _identityEquality(this, other);
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static bool _identityEquality(
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JsObject a, JsObject b) native "JsObject_identityEquality";
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static bool _identityEquality(JsObject a, JsObject b) native "JsObject_identityEquality";
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|
||||
/**
|
||||
* Returns `true` if the JavaScript object contains the specified property
|
||||
|
@ -598,7 +207,7 @@ class JsObject extends NativeFieldWrapperClass2 {
|
|||
String toString() {
|
||||
try {
|
||||
return _toString();
|
||||
} catch (e) {
|
||||
} catch(e) {
|
||||
return super.toString();
|
||||
}
|
||||
}
|
||||
|
@ -614,7 +223,7 @@ class JsObject extends NativeFieldWrapperClass2 {
|
|||
callMethod(String method, [List args]) {
|
||||
try {
|
||||
return _callMethod(method, args);
|
||||
} catch (e) {
|
||||
} catch(e) {
|
||||
if (hasProperty(method)) {
|
||||
rethrow;
|
||||
} else {
|
||||
|
@ -623,63 +232,13 @@ class JsObject extends NativeFieldWrapperClass2 {
|
|||
}
|
||||
}
|
||||
|
||||
noSuchMethod(Invocation invocation) {
|
||||
throwError() {
|
||||
throw new NoSuchMethodError(this, invocation.memberName,
|
||||
invocation.positionalArguments, invocation.namedArguments);
|
||||
}
|
||||
|
||||
String name = mirrors.MirrorSystem.getName(invocation.memberName);
|
||||
if (invocation.isGetter) {
|
||||
if (CHECK_JS_INVOCATIONS) {
|
||||
var matches = _allowedGetters[invocation.memberName];
|
||||
if (matches == null &&
|
||||
!_allowedMethods.containsKey(invocation.memberName)) {
|
||||
throwError();
|
||||
}
|
||||
var ret = this[name];
|
||||
if (matches != null && matches._checkReturnType(ret)) return ret;
|
||||
if (ret is Function ||
|
||||
(ret is JsFunction /* shouldn't be needed in the future*/) &&
|
||||
_allowedMethods.containsKey(
|
||||
invocation.memberName)) return ret; // Warning: we have not bound "this"... we could type check on the Function but that is of little value in Dart.
|
||||
throwError();
|
||||
} else {
|
||||
// TODO(jacobr): should we throw if the JavaScript object doesn't have the property?
|
||||
return this[name];
|
||||
}
|
||||
} else if (invocation.isSetter) {
|
||||
if (CHECK_JS_INVOCATIONS) {
|
||||
var matches = _allowedSetters[invocation.memberName];
|
||||
if (matches == null ||
|
||||
!matches.checkInvocation(invocation)) throwError();
|
||||
}
|
||||
assert(name.endsWith("="));
|
||||
name = name.substring(0, name.length - 1);
|
||||
return this[name] = invocation.positionalArguments.first;
|
||||
} else {
|
||||
// TODO(jacobr): also allow calling getters that look like functions.
|
||||
var matches;
|
||||
if (CHECK_JS_INVOCATIONS) {
|
||||
matches = _allowedMethods[invocation.memberName];
|
||||
if (matches == null ||
|
||||
!matches.checkInvocation(invocation)) throwError();
|
||||
}
|
||||
var ret = this.callMethod(name, _buildArgs(invocation));
|
||||
if (CHECK_JS_INVOCATIONS) {
|
||||
if (!matches._checkReturnType(ret)) throwError();
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
}
|
||||
|
||||
_callMethod(String name, List args) native "JsObject_callMethod";
|
||||
}
|
||||
|
||||
/**
|
||||
* Proxies a JavaScript Function object.
|
||||
*/
|
||||
class JsFunction extends JsObject implements Function {
|
||||
class JsFunction extends JsObject {
|
||||
JsFunction.internal() : super.internal();
|
||||
|
||||
/**
|
||||
|
@ -694,21 +253,13 @@ class JsFunction extends JsObject implements Function {
|
|||
*/
|
||||
dynamic apply(List args, {thisArg}) native "JsFunction_apply";
|
||||
|
||||
noSuchMethod(Invocation invocation) {
|
||||
if (invocation.isMethod && invocation.memberName == #call) {
|
||||
return apply(_buildArgs(invocation));
|
||||
}
|
||||
return super.noSuchMethod(invocation);
|
||||
}
|
||||
|
||||
/**
|
||||
* Internal only version of apply which uses debugger proxies of Dart objects
|
||||
* rather than opaque handles. This method is private because it cannot be
|
||||
* efficiently implemented in Dart2Js so should only be used by internal
|
||||
* tools.
|
||||
*/
|
||||
_applyDebuggerOnly(List args,
|
||||
{thisArg}) native "JsFunction_applyDebuggerOnly";
|
||||
_applyDebuggerOnly(List args, {thisArg}) native "JsFunction_applyDebuggerOnly";
|
||||
|
||||
static JsFunction _withThis(Function f) native "JsFunction_withThis";
|
||||
}
|
||||
|
@ -717,17 +268,14 @@ class JsFunction extends JsObject implements Function {
|
|||
* A [List] proxying a JavaScript Array.
|
||||
*/
|
||||
class JsArray<E> extends JsObject with ListMixin<E> {
|
||||
JsArray.internal() : super.internal();
|
||||
|
||||
factory JsArray() => _newJsArray();
|
||||
|
||||
static JsArray _newJsArray() native "JsArray_newJsArray";
|
||||
|
||||
factory JsArray.from(Iterable<E> other) =>
|
||||
_newJsArrayFromSafeList(new List.from(other));
|
||||
factory JsArray.from(Iterable<E> other) => _newJsArrayFromSafeList(new List.from(other));
|
||||
|
||||
static JsArray _newJsArrayFromSafeList(
|
||||
List list) native "JsArray_newJsArrayFromSafeList";
|
||||
static JsArray _newJsArrayFromSafeList(List list) native "JsArray_newJsArrayFromSafeList";
|
||||
|
||||
_checkIndex(int index, {bool insert: false}) {
|
||||
int length = insert ? this.length + 1 : this.length;
|
||||
|
@ -756,7 +304,7 @@ class JsArray<E> extends JsObject with ListMixin<E> {
|
|||
}
|
||||
|
||||
void operator []=(index, E value) {
|
||||
if (index is int) {
|
||||
if(index is int) {
|
||||
_checkIndex(index);
|
||||
}
|
||||
super[index] = value;
|
||||
|
@ -764,9 +312,7 @@ class JsArray<E> extends JsObject with ListMixin<E> {
|
|||
|
||||
int get length native "JsArray_length";
|
||||
|
||||
void set length(int length) {
|
||||
super['length'] = length;
|
||||
}
|
||||
void set length(int length) { super['length'] = length; }
|
||||
|
||||
// Methods overriden for better performance
|
||||
|
||||
|
@ -780,7 +326,7 @@ class JsArray<E> extends JsObject with ListMixin<E> {
|
|||
}
|
||||
|
||||
void insert(int index, E element) {
|
||||
_checkIndex(index, insert: true);
|
||||
_checkIndex(index, insert:true);
|
||||
callMethod('splice', [index, 0, element]);
|
||||
}
|
||||
|
||||
|
@ -819,7 +365,7 @@ class JsArray<E> extends JsObject with ListMixin<E> {
|
|||
*/
|
||||
const _UNDEFINED = const Object();
|
||||
|
||||
// TODO(jacobr): this method is a hack to work around the lack of proper dart
|
||||
// FIXME(jacobr): this method is a hack to work around the lack of proper dart
|
||||
// support for varargs methods.
|
||||
List _stripUndefinedArgs(List args) =>
|
||||
args.takeWhile((i) => i != _UNDEFINED).toList();
|
||||
|
@ -829,7 +375,8 @@ List _stripUndefinedArgs(List args) =>
|
|||
* than 11) of arguments without violating Dart type checks.
|
||||
*/
|
||||
Function _wrapAsDebuggerVarArgsFunction(JsFunction jsFunction) =>
|
||||
([a1 = _UNDEFINED, a2 = _UNDEFINED, a3 = _UNDEFINED, a4 = _UNDEFINED,
|
||||
a5 = _UNDEFINED, a6 = _UNDEFINED, a7 = _UNDEFINED, a8 = _UNDEFINED,
|
||||
a9 = _UNDEFINED, a10 = _UNDEFINED]) => jsFunction._applyDebuggerOnly(
|
||||
_stripUndefinedArgs([a1, a2, a3, a4, a5, a6, a7, a8, a9, a10]));
|
||||
([a1=_UNDEFINED, a2=_UNDEFINED, a3=_UNDEFINED, a4=_UNDEFINED,
|
||||
a5=_UNDEFINED, a6=_UNDEFINED, a7=_UNDEFINED, a8=_UNDEFINED,
|
||||
a9=_UNDEFINED, a10=_UNDEFINED]) =>
|
||||
jsFunction._applyDebuggerOnly(_stripUndefinedArgs(
|
||||
[a1,a2,a3,a4,a5,a6,a7,a8,a9,a10]));
|
||||
|
|
|
@ -6,9 +6,6 @@ interactive_test: Skip # Must be run manually.
|
|||
dromaeo_smoke_test: Skip # Issue 14521, 8257
|
||||
cross_frame_test: Skip # Test reloads itself. Issue 18558
|
||||
|
||||
js_array_test: Skip # Issue 23676, 23677
|
||||
js_typed_interop_test: Skip # Issue 23676, 23677
|
||||
|
||||
[ $compiler == none && ($runtime == drt || $runtime == dartium || $runtime == ContentShellOnAndroid) ]
|
||||
custom/attribute_changed_callback_test/unsupported_on_polyfill: Fail # Issue 18931 (Disabled for Chrome 35 roll)
|
||||
form_data_test/functional: Skip # Issue 19726
|
||||
|
|
|
@ -1,556 +0,0 @@
|
|||
// Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
library jsArrayTest;
|
||||
|
||||
import 'dart:html';
|
||||
import 'dart:js';
|
||||
|
||||
import 'package:unittest/unittest.dart';
|
||||
import 'package:unittest/html_config.dart';
|
||||
|
||||
_injectJs() {
|
||||
document.body.append(new ScriptElement()
|
||||
..type = 'text/javascript'
|
||||
..innerHtml = r"""
|
||||
function callJsMethod(jsObj, jsMethodName, args) {
|
||||
return jsObj[jsMethodName].apply(jsObj, args);
|
||||
}
|
||||
|
||||
function jsEnumerateIndices(obj) {
|
||||
var ret = [];
|
||||
for(var i in obj) {
|
||||
ret.push(i);
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
function setValue(obj, index, value) {
|
||||
return obj[index] = value;
|
||||
}
|
||||
|
||||
function getValue(obj, index) {
|
||||
return obj[index];
|
||||
}
|
||||
|
||||
function checkIsArray(obj) {
|
||||
return Array.isArray(obj);
|
||||
}
|
||||
|
||||
function concatValues(obj) {
|
||||
return obj.concat("a", "b", ["c", "d"], 42, {foo: 10});
|
||||
}
|
||||
|
||||
function concatOntoArray(obj) {
|
||||
return [1,2,3].concat(obj, "foo");
|
||||
}
|
||||
|
||||
function repeatedConcatOntoArray(obj) {
|
||||
return [1,2,3].concat(obj, obj);
|
||||
}
|
||||
|
||||
function everyGreaterThanZero(obj) {
|
||||
return obj.every(function(currentValue, index, array) {
|
||||
return currentValue > 0;
|
||||
});
|
||||
}
|
||||
|
||||
function everyGreaterThanZeroCheckThisArg(obj) {
|
||||
var j = 0;
|
||||
return obj.every(function(currentValue, index, array) {
|
||||
if (j != index) {
|
||||
throw "Unxpected index";
|
||||
}
|
||||
j++;
|
||||
if (array !== obj) {
|
||||
throw "Array argument doesn't match obj";
|
||||
}
|
||||
return currentValue > 0;
|
||||
});
|
||||
}
|
||||
|
||||
function filterGreater42(obj) {
|
||||
return obj.filter(function(currentValue, index, array) {
|
||||
return currentValue > 42;
|
||||
});
|
||||
}
|
||||
|
||||
function forEachCollectResult(array, callback) {
|
||||
var result = [];
|
||||
array.forEach(function(currentValue) {
|
||||
result.push(currentValue * 2);
|
||||
});
|
||||
return result;
|
||||
}
|
||||
|
||||
function someEqual42(array, callback) {
|
||||
return array.some(function(currentValue) {
|
||||
return currentValue == 42;
|
||||
});
|
||||
}
|
||||
|
||||
function sortNumbersBackwards(array) {
|
||||
return array.sort(function(a, b) {
|
||||
return b - a;
|
||||
});
|
||||
}
|
||||
|
||||
function spliceDummyItems(array) {
|
||||
return array.splice(1, 2, "quick" ,"brown", "fox");
|
||||
}
|
||||
|
||||
function spliceTestStringArgs(array) {
|
||||
return array.splice("1.2", "2.01", "quick" ,"brown", "fox");
|
||||
}
|
||||
|
||||
function splicePastEnd(array) {
|
||||
return array.splice(1, 5332, "quick" ,"brown", "fox");
|
||||
}
|
||||
|
||||
function callJsToString(array) {
|
||||
return array.toString();
|
||||
}
|
||||
|
||||
function mapAddIndexToEachElement(array) {
|
||||
return array.map(function(currentValue, index) {
|
||||
return currentValue + index;
|
||||
});
|
||||
}
|
||||
|
||||
function reduceSumDoubledElements(array) {
|
||||
return array.reduce(function(previousValue, currentValue) {
|
||||
return previousValue + currentValue*2;
|
||||
},
|
||||
0);
|
||||
}
|
||||
|
||||
// TODO(jacobr): add a test that distinguishes reduce from reduceRight.
|
||||
function reduceRightSumDoubledElements(array) {
|
||||
return array.reduceRight(
|
||||
function(previousValue, currentValue) {
|
||||
return previousValue + currentValue*2;
|
||||
},
|
||||
0);
|
||||
}
|
||||
|
||||
function identical(o1, o2) {
|
||||
return o1 === o2;
|
||||
}
|
||||
|
||||
function getOwnPropertyDescriptorJson(array, property) {
|
||||
return JSON.stringify(Object.getOwnPropertyDescriptor(array, property));
|
||||
}
|
||||
|
||||
function setLength(array, len) {
|
||||
return array.length = len;
|
||||
}
|
||||
|
||||
""");
|
||||
}
|
||||
|
||||
class Foo {}
|
||||
|
||||
callJsMethod(List array, String methodName, List args) =>
|
||||
context.callMethod("callJsMethod", [array, methodName, args]);
|
||||
|
||||
callIndexOf(List array, value) => callJsMethod(array, "indexOf", [value]);
|
||||
callLastIndexOf(List array, value) =>
|
||||
callJsMethod(array, "lastIndexOf", [value]);
|
||||
|
||||
callPop(List array) => callJsMethod(array, "pop", []);
|
||||
callPush(List array, element) => callJsMethod(array, "push", [element]);
|
||||
callShift(List array) => callJsMethod(array, "shift", []);
|
||||
callReverse(List array) => callJsMethod(array, "reverse", []);
|
||||
callSetLength(List array, length) =>
|
||||
context.callMethod("setLength", [array, length]);
|
||||
|
||||
main() {
|
||||
_injectJs();
|
||||
useHtmlConfiguration();
|
||||
|
||||
group('indexOf', () {
|
||||
var div = new DivElement();
|
||||
var list = [3, 42, "foo", 42, div];
|
||||
test('found', () {
|
||||
expect(callIndexOf(list, 3), equals(0));
|
||||
expect(callIndexOf(list, 42), equals(1));
|
||||
expect(callIndexOf(list, "foo"), equals(2));
|
||||
expect(callIndexOf(list, div), equals(4));
|
||||
});
|
||||
|
||||
test('missing', () {
|
||||
expect(callIndexOf(list, 31), equals(-1));
|
||||
expect(callIndexOf(list, "42"), equals(-1));
|
||||
expect(callIndexOf(list, null), equals(-1));
|
||||
});
|
||||
});
|
||||
|
||||
group('set length', () {
|
||||
test('larger', () {
|
||||
var list = ["a", "b", "c", "d"];
|
||||
expect(callSetLength(list, 10), equals(10));
|
||||
expect(list.length, equals(10));
|
||||
expect(list.last, equals(null));
|
||||
expect(list[3], equals("d"));
|
||||
});
|
||||
|
||||
test('smaller', () {
|
||||
var list = ["a", "b", "c", "d"];
|
||||
expect(callSetLength(list, 2), equals(2));
|
||||
expect(list.first, equals("a"));
|
||||
expect(list.last, equals("b"));
|
||||
expect(list.length, equals(2));
|
||||
expect(callSetLength(list, 0), equals(0));
|
||||
expect(list.length, equals(0));
|
||||
expect(callSetLength(list, 2), equals(2));
|
||||
expect(list.first, equals(null));
|
||||
});
|
||||
|
||||
test('invalid', () {
|
||||
var list = ["a", "b", "c", "d"];
|
||||
expect(() => callSetLength(list, 2.3), throws);
|
||||
expect(list.length, equals(4));
|
||||
expect(() => callSetLength(list, -1), throws);
|
||||
expect(list.length, equals(4));
|
||||
// Make sure we are coercing to a JS number.
|
||||
expect(callSetLength(list, "2"), equals("2"));
|
||||
expect(list.length, equals(2));
|
||||
});
|
||||
});
|
||||
|
||||
group('join', () {
|
||||
var list = [3, 42, "foo"];
|
||||
var listWithDartClasses = [3, new Foo(), 42, "foo", new Object()];
|
||||
test('default', () {
|
||||
expect(callJsMethod(list, "join", []), equals("3,42,foo"));
|
||||
expect(callJsMethod(listWithDartClasses, "join", []),
|
||||
equals("3,Instance of 'Foo',42,foo,Instance of 'Object'"));
|
||||
});
|
||||
|
||||
test('custom separator', () {
|
||||
expect(callJsMethod(list, "join", ["##"]), equals("3##42##foo"));
|
||||
});
|
||||
});
|
||||
|
||||
group('lastIndexOf', () {
|
||||
var list = [3, 42, "foo", 42];
|
||||
test('found', () {
|
||||
expect(callLastIndexOf(list, 3), equals(0));
|
||||
expect(callLastIndexOf(list, 42), equals(3));
|
||||
expect(callLastIndexOf(list, "foo"), equals(2));
|
||||
});
|
||||
|
||||
test('missing', () {
|
||||
expect(callLastIndexOf(list, 31), equals(-1));
|
||||
expect(callLastIndexOf(list, "42"), equals(-1));
|
||||
expect(callLastIndexOf(list, null), equals(-1));
|
||||
});
|
||||
});
|
||||
|
||||
group('pop', () {
|
||||
test('all', () {
|
||||
var foo = new Foo();
|
||||
var div = new DivElement();
|
||||
var list = [3, 42, "foo", foo, div];
|
||||
expect(callPop(list), equals(div));
|
||||
expect(list.length, equals(4));
|
||||
expect(callPop(list), equals(foo));
|
||||
expect(list.length, equals(3));
|
||||
expect(callPop(list), equals("foo"));
|
||||
expect(list.length, equals(2));
|
||||
expect(callPop(list), equals(42));
|
||||
expect(list.length, equals(1));
|
||||
expect(callPop(list), equals(3));
|
||||
expect(list.length, equals(0));
|
||||
expect(callPop(list), equals(null));
|
||||
expect(list.length, equals(0));
|
||||
});
|
||||
});
|
||||
|
||||
group('push', () {
|
||||
test('strings', () {
|
||||
var list = [];
|
||||
var div = new DivElement();
|
||||
expect(callPush(list, "foo"), equals(1));
|
||||
expect(callPush(list, "bar"), equals(2));
|
||||
expect(callPush(list, "baz"), equals(3));
|
||||
expect(callPush(list, div), equals(4));
|
||||
expect(list, equals(["foo", "bar", "baz", div]));
|
||||
});
|
||||
});
|
||||
|
||||
group('shift', () {
|
||||
test('all', () {
|
||||
var foo = new Foo();
|
||||
var div = new DivElement();
|
||||
var list = [3, 42, "foo", foo, div];
|
||||
expect(callShift(list), equals(3));
|
||||
expect(list.length, equals(4));
|
||||
expect(callShift(list), equals(42));
|
||||
expect(list.length, equals(3));
|
||||
expect(callShift(list), equals("foo"));
|
||||
expect(list.length, equals(2));
|
||||
expect(callShift(list), equals(foo));
|
||||
expect(list.length, equals(1));
|
||||
expect(callShift(list), equals(div));
|
||||
expect(list.length, equals(0));
|
||||
expect(callShift(list), equals(null));
|
||||
expect(list.length, equals(0));
|
||||
});
|
||||
});
|
||||
|
||||
group('reverse', () {
|
||||
test('simple', () {
|
||||
var foo = new Foo();
|
||||
var div = new DivElement();
|
||||
var list = [div, 42, foo];
|
||||
callReverse(list);
|
||||
expect(list, equals([foo, 42, div]));
|
||||
list = [3, 42];
|
||||
callReverse(list);
|
||||
expect(list, equals([42, 3]));
|
||||
});
|
||||
});
|
||||
|
||||
group('slice', () {
|
||||
test('copy', () {
|
||||
var foo = new Foo();
|
||||
var div = new DivElement();
|
||||
var list = [3, 42, "foo", foo, div];
|
||||
var copy = callJsMethod(list, "slice", []);
|
||||
expect(identical(list, copy), isFalse);
|
||||
expect(copy.length, equals(list.length));
|
||||
for (var i = 0; i < list.length; i++) {
|
||||
expect(list[i], equals(copy[i]));
|
||||
}
|
||||
expect(identical(list[3], copy[3]), isTrue);
|
||||
expect(identical(list[4], copy[4]), isTrue);
|
||||
|
||||
copy.add("dummy");
|
||||
expect(list.length + 1, equals(copy.length));
|
||||
});
|
||||
|
||||
test('specify start', () {
|
||||
var list = [3, 42, "foo"];
|
||||
var copy = callJsMethod(list, "slice", [1]);
|
||||
expect(copy.first, equals(42));
|
||||
});
|
||||
|
||||
test('specify start and end', () {
|
||||
var list = [3, 42, 92, "foo"];
|
||||
var copy = callJsMethod(list, "slice", [1, 3]);
|
||||
expect(copy.first, equals(42));
|
||||
expect(copy.last, equals(92));
|
||||
});
|
||||
|
||||
test('from end', () {
|
||||
var list = [3, 42, 92, "foo"];
|
||||
expect(callJsMethod(list, "slice", [-2]), equals([92, "foo"]));
|
||||
|
||||
// Past the end of the front of the array.
|
||||
expect(callJsMethod(list, "slice", [-2, 3]), equals([92]));
|
||||
|
||||
// Past the end of the front of the array.
|
||||
expect(callJsMethod(list, "slice", [-10, 2]), equals([3, 42]));
|
||||
});
|
||||
});
|
||||
|
||||
group("js snippet tests", () {
|
||||
test("enumerate indices", () {
|
||||
var list = ["a", "b", "c", "d"];
|
||||
var indices = context.callMethod('jsEnumerateIndices', [list]);
|
||||
expect(indices.length, equals(4));
|
||||
for (int i = 0; i < 4; i++) {
|
||||
expect(indices[i], equals('$i'));
|
||||
}
|
||||
});
|
||||
|
||||
test("set element", () {
|
||||
var list = ["a", "b", "c", "d"];
|
||||
context.callMethod('setValue', [list, 0, 42]);
|
||||
expect(list[0], equals(42));
|
||||
context.callMethod('setValue', [list, 1, 84]);
|
||||
expect(list[1], equals(84));
|
||||
context.callMethod(
|
||||
'setValue', [list, 6, 100]); // Off the end of the list.
|
||||
expect(list.length, equals(7));
|
||||
expect(list[4], equals(null));
|
||||
expect(list[6], equals(100));
|
||||
|
||||
// These tests have to be commented out because we don't persist
|
||||
// JS proxies for Dart objects like we could/should.
|
||||
// context.callMethod('setValue', [list, -1, "foo"]); // Not a valid index
|
||||
// expect(context.callMethod('getValue', [list, -1]), equals("foo"));
|
||||
// expect(context.callMethod('getValue', [list, "-1"]), equals("foo"));
|
||||
});
|
||||
|
||||
test("get element", () {
|
||||
var list = ["a", "b", "c", "d"];
|
||||
expect(context.callMethod('getValue', [list, 0]), equals("a"));
|
||||
expect(context.callMethod('getValue', [list, 1]), equals("b"));
|
||||
expect(context.callMethod('getValue', [list, 6]), equals(null));
|
||||
expect(context.callMethod('getValue', [list, -1]), equals(null));
|
||||
|
||||
expect(context.callMethod('getValue', [list, "0"]), equals("a"));
|
||||
expect(context.callMethod('getValue', [list, "1"]), equals("b"));
|
||||
});
|
||||
|
||||
test("is array", () {
|
||||
var list = ["a", "b"];
|
||||
expect(context.callMethod("checkIsArray", [list]), isTrue);
|
||||
});
|
||||
|
||||
test("property descriptors", () {
|
||||
// This test matters to make behavior consistent with JS native arrays
|
||||
// and to make devtools integration work well.
|
||||
var list = ["a", "b"];
|
||||
expect(context.callMethod("getOwnPropertyDescriptorJson", [list, 0]),
|
||||
equals('{"value":"a",'
|
||||
'"writable":true,'
|
||||
'"enumerable":true,'
|
||||
'"configurable":true}'));
|
||||
|
||||
expect(
|
||||
context.callMethod("getOwnPropertyDescriptorJson", [list, "length"]),
|
||||
equals('{"value":2,'
|
||||
'"writable":true,'
|
||||
'"enumerable":false,'
|
||||
'"configurable":false}'));
|
||||
});
|
||||
|
||||
test("concat js arrays", () {
|
||||
var list = ["1", "2"];
|
||||
// Tests that calling the concat method from JS will flatten out JS arrays
|
||||
// We concat the array with "a", "b", ["c", "d"], 42, {foo: 10}
|
||||
// which should generate ["1", "2", "a", "b", ["c", "d"], 42, {foo: 10}]
|
||||
var ret = context.callMethod("concatValues", [list]);
|
||||
expect(list.length, equals(2));
|
||||
expect(ret.length, equals(8));
|
||||
expect(ret[0], equals("1"));
|
||||
expect(ret[3], equals("b"));
|
||||
expect(ret[5], equals("d"));
|
||||
expect(ret[6], equals(42));
|
||||
expect(ret[7]['foo'], equals(10));
|
||||
});
|
||||
|
||||
test("concat onto arrays", () {
|
||||
// This test only passes if we have monkey patched the core Array object
|
||||
// prototype to handle Dart Lists.
|
||||
var list = ["a", "b"];
|
||||
var ret = context.callMethod("concatOntoArray", [list]);
|
||||
expect(list.length, equals(2));
|
||||
expect(ret, equals([1, 2, 3, "a", "b", "foo"]));
|
||||
});
|
||||
|
||||
test("dart arrays on dart arrays", () {
|
||||
// This test only passes if we have monkey patched the core Array object
|
||||
// prototype to handle Dart Lists.
|
||||
var list = ["a", "b"];
|
||||
var ret = callJsMethod(list, "concat", [["c", "d"], "e", ["f", "g"]]);
|
||||
expect(list.length, equals(2));
|
||||
expect(ret, equals(["a", "b", "c", "d", "e", "f", "g"]));
|
||||
});
|
||||
|
||||
test("every greater than zero", () {
|
||||
expect(context.callMethod("everyGreaterThanZero", [[1, 5]]), isTrue);
|
||||
expect(context.callMethod("everyGreaterThanZeroCheckThisArg", [[1, 5]]),
|
||||
isTrue);
|
||||
expect(context.callMethod("everyGreaterThanZero", [[1, 0]]), isFalse);
|
||||
expect(context.callMethod("everyGreaterThanZero", [[]]), isTrue);
|
||||
});
|
||||
|
||||
test("filter greater than 42", () {
|
||||
expect(context.callMethod("filterGreater42", [[1, 5]]), equals([]));
|
||||
expect(context.callMethod("filterGreater42", [[43, 5, 49]]),
|
||||
equals([43, 49]));
|
||||
expect(context.callMethod("filterGreater42", [["43", "5", "49"]]),
|
||||
equals(["43", "49"]));
|
||||
});
|
||||
|
||||
test("for each collect result", () {
|
||||
expect(context.callMethod("forEachCollectResult", [[1, 5, 7]]),
|
||||
equals([2, 10, 14]));
|
||||
});
|
||||
|
||||
test("some", () {
|
||||
expect(context.callMethod("someEqual42", [[1, 5, 9]]), isFalse);
|
||||
expect(context.callMethod("someEqual42", [[1, 42, 9]]), isTrue);
|
||||
});
|
||||
|
||||
test("sort backwards", () {
|
||||
var arr = [1, 5, 9];
|
||||
var ret = context.callMethod("sortNumbersBackwards", [arr]);
|
||||
expect(identical(arr, ret), isTrue);
|
||||
expect(ret, equals([9, 5, 1]));
|
||||
});
|
||||
|
||||
test("splice dummy items", () {
|
||||
var list = [1, 2, 3, 4];
|
||||
var removed = context.callMethod("spliceDummyItems", [list]);
|
||||
expect(removed.length, equals(2));
|
||||
expect(removed[0], equals(2));
|
||||
expect(removed[1], equals(3));
|
||||
expect(list.first, equals(1));
|
||||
expect(list[1], equals("quick"));
|
||||
expect(list[2], equals("brown"));
|
||||
expect(list[3], equals("fox"));
|
||||
expect(list.last, equals(4));
|
||||
});
|
||||
|
||||
test("splice string args", () {
|
||||
var list = [1, 2, 3, 4];
|
||||
var removed = context.callMethod("spliceTestStringArgs", [list]);
|
||||
expect(removed.length, equals(2));
|
||||
expect(removed[0], equals(2));
|
||||
expect(removed[1], equals(3));
|
||||
expect(list.first, equals(1));
|
||||
expect(list[1], equals("quick"));
|
||||
expect(list[2], equals("brown"));
|
||||
expect(list[3], equals("fox"));
|
||||
expect(list.last, equals(4));
|
||||
});
|
||||
|
||||
test("splice pastEndOfArray", () {
|
||||
var list = [1, 2, 3, 4];
|
||||
var removed = context.callMethod("splicePastEnd", [list]);
|
||||
expect(removed.length, equals(3));
|
||||
expect(list.first, equals(1));
|
||||
expect(list.length, equals(4));
|
||||
expect(list[1], equals("quick"));
|
||||
expect(list[2], equals("brown"));
|
||||
expect(list[3], equals("fox"));
|
||||
});
|
||||
|
||||
test("splice both bounds past end of array", () {
|
||||
var list = [1];
|
||||
var removed = context.callMethod("splicePastEnd", [list]);
|
||||
expect(removed.length, equals(0));
|
||||
expect(list.first, equals(1));
|
||||
expect(list.length, equals(4));
|
||||
expect(list[1], equals("quick"));
|
||||
expect(list[2], equals("brown"));
|
||||
expect(list[3], equals("fox"));
|
||||
});
|
||||
});
|
||||
|
||||
// This test group is disabled until we figure out an efficient way to
|
||||
// distinguish between "array" Dart List types and non-array Dart list types.
|
||||
/*
|
||||
group('Non-array Lists', () {
|
||||
test('opaque proxy', () {
|
||||
// Dartium could easily support making LinkedList and all other classes
|
||||
// implementing List behave like a JavaScript array but that would
|
||||
// be challenging to implement in dart2js until browsers support ES6.
|
||||
var list = ["a", "b", "c", "d"];
|
||||
var listView = new UnmodifiableListView(list.getRange(1,3));
|
||||
expect(listView is List, isTrue);
|
||||
expect(listView.length, equals(2));
|
||||
expect(context.callMethod("checkIsArray", [listView]), isFalse);
|
||||
expect(context.callMethod("checkIsArray", [listView.toList()]), isTrue);
|
||||
expect(context.callMethod("getOwnPropertyDescriptorJson",
|
||||
[listView, "length"]), equals("null"));
|
||||
});
|
||||
});
|
||||
*/
|
||||
}
|
|
@ -1,139 +0,0 @@
|
|||
// Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file
|
||||
// for details. All rights reserved. Use of this source code is governed by a
|
||||
// BSD-style license that can be found in the LICENSE file.
|
||||
|
||||
library jsArrayTest;
|
||||
|
||||
import 'dart:html';
|
||||
import 'dart:js';
|
||||
|
||||
import 'package:unittest/unittest.dart';
|
||||
import 'package:unittest/html_config.dart';
|
||||
|
||||
_injectJs() {
|
||||
document.body.append(new ScriptElement()
|
||||
..type = 'text/javascript'
|
||||
..innerHtml = r"""
|
||||
var foo = {
|
||||
x: 3,
|
||||
z: 40, // Not specified in typed Dart API so should fail in checked mode.
|
||||
multiplyByX: function(arg) { return arg * this.x; },
|
||||
// This function can be torn off without having to bind this.
|
||||
multiplyBy2: function(arg) { return arg * 2; }
|
||||
};
|
||||
|
||||
var foob = {
|
||||
x: 8,
|
||||
y: "why",
|
||||
multiplyByX: function(arg) { return arg * this.x; }
|
||||
};
|
||||
|
||||
var bar = {
|
||||
x: "foo",
|
||||
multiplyByX: true
|
||||
};
|
||||
|
||||
var selection = ["a", "b", "c", foo, bar];
|
||||
selection.doubleLength = function() { return this.length * 2; };
|
||||
""");
|
||||
}
|
||||
|
||||
abstract class Foo {
|
||||
int get x;
|
||||
set x(int v);
|
||||
num multiplyByX(num y);
|
||||
num multiplyBy2(num y);
|
||||
}
|
||||
|
||||
abstract class Foob extends Foo {
|
||||
final String y;
|
||||
}
|
||||
|
||||
abstract class Bar {
|
||||
String get x;
|
||||
bool get multiplyByX;
|
||||
}
|
||||
|
||||
class Baz {}
|
||||
|
||||
// This class shows the pattern used by APIs such as jQuery that add methods
|
||||
// to Arrays.
|
||||
abstract class Selection implements List {
|
||||
num doubleLength();
|
||||
}
|
||||
|
||||
Foo get foo => context['foo'];
|
||||
Foob get foob => context['foob'];
|
||||
Bar get bar => context['bar'];
|
||||
Selection get selection => context['selection'];
|
||||
|
||||
main() {
|
||||
// Call experimental API to register Dart interfaces implemented by
|
||||
// JavaScript classes.
|
||||
registerJsInterfaces([Foo, Foob, Bar, Selection]);
|
||||
|
||||
_injectJs();
|
||||
|
||||
useHtmlConfiguration();
|
||||
|
||||
group('property', () {
|
||||
test('get', () {
|
||||
expect(foo.x, equals(3));
|
||||
expect(foob.x, equals(8));
|
||||
expect(foob.y, equals("why"));
|
||||
|
||||
// Exists in JS but not in API.
|
||||
expect(() => foo.z, throws);
|
||||
expect(bar.multiplyByX, isTrue);
|
||||
});
|
||||
test('set', () {
|
||||
foo.x = 42;
|
||||
expect(foo.x, equals(42));
|
||||
// Property tagged as read only in typed API.
|
||||
expect(() => foob.y = "bla", throws);
|
||||
expect(() => foo.unknownName = 42, throws);
|
||||
});
|
||||
});
|
||||
|
||||
group('method', () {
|
||||
test('call', () {
|
||||
foo.x = 100;
|
||||
expect(foo.multiplyByX(4), equals(400));
|
||||
foob.x = 10;
|
||||
expect(foob.multiplyByX(4), equals(40));
|
||||
});
|
||||
|
||||
test('tearoff', () {
|
||||
foo.x = 10;
|
||||
// TODO(jacobr): should we automatically bind "this" for tearoffs of JS
|
||||
// objects?
|
||||
JsFunction multiplyBy2 = foo.multiplyBy2;
|
||||
expect(multiplyBy2(5), equals(10));
|
||||
});
|
||||
});
|
||||
|
||||
group('type check', () {
|
||||
test('js interfaces', () {
|
||||
expect(foo is JsObject, isTrue);
|
||||
// Cross-casts are allowed.
|
||||
expect(foo is Bar, isTrue);
|
||||
expect(selection is JsArray, isTrue);
|
||||
|
||||
// We do know at runtime whether something is a JsArray or not.
|
||||
expect(foo is JsArray, isFalse);
|
||||
});
|
||||
|
||||
test('dart interfaces', () {
|
||||
expect(foo is Function, isFalse);
|
||||
expect(selection is List, isTrue);
|
||||
});
|
||||
});
|
||||
|
||||
group("registration", () {
|
||||
test('repeated fails', () {
|
||||
// The experimental registerJsInterfaces API has already been called so
|
||||
// it cannot be called a second time.
|
||||
expect(() => registerJsInterfaces([Baz]), throws);
|
||||
});
|
||||
});
|
||||
}
|
|
@ -146,9 +146,9 @@ final htmlBlinkMap = {
|
|||
'_DOMWindowCrossFrame': () => _DOMWindowCrossFrame,
|
||||
// FIXME: Move these to better locations.
|
||||
'DateTime': () => DateTime,
|
||||
'JsObject': () => js.JsObjectImpl,
|
||||
'JsFunction': () => js.JsFunctionImpl,
|
||||
'JsArray': () => js.JsArrayImpl,
|
||||
'JsObject': () => js.JsObject,
|
||||
'JsFunction': () => js.JsFunction,
|
||||
'JsArray': () => js.JsArray,
|
||||
$!TYPE_MAP
|
||||
};
|
||||
|
||||
|
|
Loading…
Reference in a new issue