Invoke native methods directly

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

Index: pkg/analyzer/lib/src/dart/element/builder.dart
diff --git a/pkg/analyzer/lib/src/dart/element/builder.dart b/pkg/analyzer/lib/src/dart/element/builder.dart
index ee136eb3c3975fc97c2e1e5f995e1de72e595065..7c74fdf8437110711c1d349198c07486e291fec6 100644
--- a/pkg/analyzer/lib/src/dart/element/builder.dart
+++ b/pkg/analyzer/lib/src/dart/element/builder.dart
@@ -272,7 +272,7 @@ class ApiElementBuilder extends _BaseElementBuilder {
         _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;
@@ -313,7 +313,7 @@ class ApiElementBuilder extends _BaseElementBuilder {
           _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;
@@ -341,7 +341,7 @@ class ApiElementBuilder extends _BaseElementBuilder {
           _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;
@@ -504,7 +504,7 @@ class ApiElementBuilder extends _BaseElementBuilder {
         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;
@@ -542,7 +542,7 @@ class ApiElementBuilder extends _BaseElementBuilder {
           _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;
@@ -570,7 +570,7 @@ class ApiElementBuilder extends _BaseElementBuilder {
           _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;
@@ -1217,7 +1217,8 @@ class LocalElementBuilder extends _BaseElementBuilder {
     _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;
@@ -1226,7 +1227,6 @@ class LocalElementBuilder extends _BaseElementBuilder {
     element.parameters = holder.parameters;
     element.typeParameters = holder.typeParameters;
 
-    FunctionBody body = expression.body;
     if (body.isAsynchronous) {
       element.asynchronous = body.isAsynchronous;
     }