Invoke native methods directly

pkg/analyzer/lib/src/dart/element/builder.dart

 // Copyright (c) 2014, 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 analyzer.src.dart.element.builder;
 
 import 'dart:collection';
 
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/ast/token.dart';
@@ skipping 254 matching lines @@
       _visitChildren(holder, node);
       FunctionBody body = expression.body;
       Token property = node.propertyKeyword;
       if (property == null) {
         SimpleIdentifier functionName = node.name;
         FunctionElementImpl element =
             new FunctionElementImpl.forNode(functionName);
         _setCodeRange(element, node);
         element.metadata = _createElementAnnotations(node.metadata);
         setElementDocumentationComment(element, node);
-        if (node.externalKeyword != null) {
+        if (node.externalKeyword != null || body is NativeFunctionBody) {
           element.external = true;
         }
         element.functions = holder.functions;
         element.labels = holder.labels;
         element.localVariables = holder.localVariables;
         element.parameters = holder.parameters;
         element.typeParameters = holder.typeParameters;
         if (body.isAsynchronous) {
           element.asynchronous = true;
         }
@@ skipping 20 matching lines @@
           variable.isFinal = true;
           variable.isSynthetic = true;
           _currentHolder.addTopLevelVariable(variable);
         }
         if (node.isGetter) {
           PropertyAccessorElementImpl getter =
               new PropertyAccessorElementImpl.forNode(propertyNameNode);
           _setCodeRange(getter, node);
           getter.metadata = _createElementAnnotations(node.metadata);
           setElementDocumentationComment(getter, node);
-          if (node.externalKeyword != null) {
+          if (node.externalKeyword != null || body is NativeFunctionBody) {
             getter.external = true;
           }
           getter.functions = holder.functions;
           getter.labels = holder.labels;
           getter.localVariables = holder.localVariables;
           if (body.isAsynchronous) {
             getter.asynchronous = true;
           }
           if (body.isGenerator) {
             getter.generator = true;
           }
           getter.variable = variable;
           getter.getter = true;
           getter.isStatic = true;
           variable.getter = getter;
           if (node.returnType == null) {
             getter.hasImplicitReturnType = true;
           }
           _currentHolder.addAccessor(getter);
           expression.element = getter;
           propertyNameNode.staticElement = getter;
         } else {
           PropertyAccessorElementImpl setter =
               new PropertyAccessorElementImpl.forNode(propertyNameNode);
           _setCodeRange(setter, node);
           setter.metadata = _createElementAnnotations(node.metadata);
           setElementDocumentationComment(setter, node);
-          if (node.externalKeyword != null) {
+          if (node.externalKeyword != null || body is NativeFunctionBody) {
             setter.external = true;
           }
           setter.functions = holder.functions;
           setter.labels = holder.labels;
           setter.localVariables = holder.localVariables;
           setter.parameters = holder.parameters;
           if (body.isAsynchronous) {
             setter.asynchronous = true;
           }
           if (body.isGenerator) {
@@ skipping 142 matching lines @@
         if (nameOfMethod == TokenType.MINUS.lexeme &&
             node.parameters.parameters.length == 0) {
           nameOfMethod = "unary-";
         }
         MethodElementImpl element =
             new MethodElementImpl(nameOfMethod, methodName.offset);
         _setCodeRange(element, node);
         element.metadata = _createElementAnnotations(node.metadata);
         setElementDocumentationComment(element, node);
         element.abstract = node.isAbstract;
-        if (node.externalKeyword != null) {
+        if (node.externalKeyword != null || body is NativeFunctionBody) {
           element.external = true;
         }
         element.functions = holder.functions;
         element.labels = holder.labels;
         element.localVariables = holder.localVariables;
         element.parameters = holder.parameters;
         element.isStatic = isStatic;
         element.typeParameters = holder.typeParameters;
         if (body.isAsynchronous) {
           element.asynchronous = true;
@@ skipping 17 matching lines @@
           field.isStatic = isStatic;
           field.isSynthetic = true;
           _currentHolder.addField(field);
         }
         if (node.isGetter) {
           PropertyAccessorElementImpl getter =
               new PropertyAccessorElementImpl.forNode(propertyNameNode);
           _setCodeRange(getter, node);
           getter.metadata = _createElementAnnotations(node.metadata);
           setElementDocumentationComment(getter, node);
-          if (node.externalKeyword != null) {
+          if (node.externalKeyword != null || body is NativeFunctionBody) {
             getter.external = true;
           }
           getter.functions = holder.functions;
           getter.labels = holder.labels;
           getter.localVariables = holder.localVariables;
           if (body.isAsynchronous) {
             getter.asynchronous = true;
           }
           if (body.isGenerator) {
             getter.generator = true;
           }
           getter.variable = field;
           getter.abstract = node.isAbstract;
           getter.getter = true;
           getter.isStatic = isStatic;
           field.getter = getter;
           if (node.returnType == null) {
             getter.hasImplicitReturnType = true;
           }
           _currentHolder.addAccessor(getter);
           propertyNameNode.staticElement = getter;
         } else {
           PropertyAccessorElementImpl setter =
               new PropertyAccessorElementImpl.forNode(propertyNameNode);
           _setCodeRange(setter, node);
           setter.metadata = _createElementAnnotations(node.metadata);
           setElementDocumentationComment(setter, node);
-          if (node.externalKeyword != null) {
+          if (node.externalKeyword != null || body is NativeFunctionBody) {
             setter.external = true;
           }
           setter.functions = holder.functions;
           setter.labels = holder.labels;
           setter.localVariables = holder.localVariables;
           setter.parameters = holder.parameters;
           if (body.isAsynchronous) {
             setter.asynchronous = true;
           }
           if (body.isGenerator) {
@@ skipping 626 matching lines @@
       return null;
     }
 
     ElementHolder holder = new ElementHolder();
     _visitChildren(holder, node);
 
     FunctionElementImpl element = new FunctionElementImpl.forNode(node.name);
     _setCodeRange(element, node);
     setElementDocumentationComment(element, node);
     element.metadata = _createElementAnnotations(node.metadata);
-    if (node.externalKeyword != null) {
+    FunctionBody body = expression.body;
+    if (node.externalKeyword != null || body is NativeFunctionBody) {
       element.external = true;
     }
     element.functions = holder.functions;
     element.labels = holder.labels;
     element.localVariables = holder.localVariables;
     element.parameters = holder.parameters;
     element.typeParameters = holder.typeParameters;
 
-    FunctionBody body = expression.body;
     if (body.isAsynchronous) {
       element.asynchronous = body.isAsynchronous;
     }
     if (body.isGenerator) {
       element.generator = true;
     }
 
     {
       Block enclosingBlock = node.getAncestor((node) => node is Block);
       if (enclosingBlock != null) {
@@ skipping 432 matching lines @@
     return null;
   }
 
   /**
    * Return the lexical identifiers associated with the given [identifiers].
    */
   static List<String> _getIdentifiers(NodeList<SimpleIdentifier> identifiers) {
     return identifiers.map((identifier) => identifier.name).toList();
   }
 }