Fix the build

editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/internal/completion/CompletionEngine.java

Index: editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/internal/completion/CompletionEngine.java
===================================================================
--- editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/internal/completion/CompletionEngine.java	(revision 13022)
+++ editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/internal/completion/CompletionEngine.java	(working copy)
@@ -191,8 +191,8 @@
     }
 
     @Override
-    public void visitorNotImplementedYet(DartNode node, DartNode sourceNode,
-        Class<? extends ASTVisitor<Void>> astClass) {
+    public void visitorNotImplementedYet(
+        DartNode node, DartNode sourceNode, Class<? extends ASTVisitor<Void>> astClass) {
       if (DEBUG) {
         System.out.print("Need visitor for node: " + node.getClass().getSimpleName());
         if (sourceNode != node) {
@@ -355,8 +355,8 @@
                 if (ElementKind.of(element) == ElementKind.LIBRARY_PREFIX) {
                   // { html.E! }
                   String prefixToMatch = qualNode.getName();
-                  Collection<LibraryUnit> libs = parsedUnit.getLibrary().getLibrariesWithPrefix(
-                      prefixToMatch);
+                  Collection<LibraryUnit> libs = parsedUnit.getLibrary()
+                      .getLibrariesWithPrefix(prefixToMatch);
                   for (LibraryUnit lib : libs) {
                     createCompletionsForLibraryPrefix(identifier, lib.getElement());
                   }
@@ -471,15 +471,15 @@
               }
               break;
             case ForInitialization:
-              // {for (in!t x = 0; i < 5; i++); }
+          // {for (in!t x = 0; i < 5; i++); }
             case TypeFunctionOrVariable:
               // { x; v! x; } or { v! x; }
               proposeGenericTypeCompletions(typeCompleter, true);
               proposeIdentifierPrefixCompletions(typeCompleter);
               break;
             case FunctionLiteral:
-              // at top level
-              // final num PI2 = Mat!
+          // at top level
+          // final num PI2 = Mat!
             case TypeParameter:
               // class X<K extends Ha!shable> {}
               proposeTypesForPrefix(identifier);
@@ -846,7 +846,10 @@
         if (node.getSourceInfo().getOffset() - 1 == actualCompletionPosition) {
           if (node.getParent() instanceof DartMethodInvocation) {
             // { x.j..b()..c..!a(); }
-            ((DartMethodInvocation) node.getParent()).getTarget().accept(this);
+            DartExpression target = ((DartMethodInvocation) node.getParent()).getRealTarget();
+            if (target != null) {
+              target.accept(this);
+            }
           } else if (node.getParent() instanceof DartPropertyAccess) {
             // { x.j..b()..c..!c; }
             ((DartPropertyAccess) node.getParent()).getQualifier().accept(this);
@@ -880,15 +883,16 @@
           functionName = null;
         }
         // { foo.! doFoo(); }
-        DartExpression expr = completionNode.getTarget();
-        if (expr.getElement() != null && expr.getElement().getKind() == ElementKind.LIBRARY_PREFIX
+        DartExpression expr = completionNode.getRealTarget();
+        if (expr != null && expr.getElement() != null
+            && expr.getElement().getKind() == ElementKind.LIBRARY_PREFIX
             && expr instanceof DartIdentifier) {
           DartIdentifier ident = (DartIdentifier) expr;
           for (LibraryElement lib : ((LibraryPrefixElement) expr.getElement()).getLibraries()) {
             createCompletionsForLibraryPrefix(ident, lib);
           }
         } else {
-          Type type = analyzeType(completionNode.getTarget());
+          Type type = analyzeType(completionNode.getRealTarget());
           if (type != null) {
             createCompletionsForQualifiedMemberAccess(functionName, type, false, false);
           }
@@ -964,8 +968,9 @@
         ParameterCompleter param = (ParameterCompleter) node;
         // when completion is requested on the first word of a param decl we assume it is a type
         DartExpression typeName = param.getName();
-        if (typeName.getSourceInfo().getOffset() <= actualCompletionPosition
-            && typeName.getSourceInfo().getOffset() + typeName.getSourceInfo().getLength() >= actualCompletionPosition) {
+        if (typeName.getSourceInfo().getOffset() <= actualCompletionPosition &&
+            typeName.getSourceInfo().getOffset() + typeName.getSourceInfo().getLength()
+            >= actualCompletionPosition) {
           if (typeName instanceof DartIdentifier) {
             DartIdentifier typeId = (DartIdentifier) typeName;
             List<SearchMatch> matches = findTypesWithPrefix(typeId);
@@ -1045,7 +1050,8 @@
         // so we will check that we could have a variable interpolation but will not
         // try to be too strict, since we cannot
         if (iStrings.size() >= 1) {
-          for (int idxStrings = 1, idxExprs = 0; idxStrings < iStrings.size(); idxStrings++, idxExprs++) {
+          for (int idxStrings = 1, idxExprs = 0; idxStrings < iStrings.size(); idxStrings++,
+              idxExprs++) {
             DartStringLiteral lit = iStrings.get(idxStrings);
             DartExpression exp = iExprs.get(idxExprs);
             if (lit.getValue().isEmpty() && exp instanceof DartSyntheticErrorExpression) {
@@ -1169,7 +1175,8 @@
         List<DartVariable> vars = completionNode.getVariables();
         if (vars.size() > 0) {
           DartVariable var = vars.get(vars.size() - 1);
-          if (var.getSourceInfo().getOffset() + var.getSourceInfo().getLength() <= actualCompletionPosition) {
+          if (var.getSourceInfo().getOffset() + var.getSourceInfo().getLength()
+              <= actualCompletionPosition) {
             // { num theta = i * ! }
             proposeVariables(completionNode, null, resolvedMember);
             proposeTypesForNewParam();
@@ -1245,8 +1252,8 @@
     return posParamCount;
   }
 
-  static private Set<Element> findAllElements(LibraryUnit library, String prefix,
-      Set<LibraryUnit> libs) {
+  static private Set<Element> findAllElements(
+      LibraryUnit library, String prefix, Set<LibraryUnit> libs) {
     if (libs.contains(library)) {
       return new HashSet<Element>();
     }
@@ -1418,7 +1425,8 @@
   private static final String C_EXTENDS = "extends";
   private static final String C_IMPLEMENTS = "implements";
   private static final char[] DYNAMIC_CA = "Dynamic".toCharArray();
-  private static final boolean DEBUG = "true".equalsIgnoreCase(Platform.getDebugOption("com.google.dart.tools.ui/debug/CompletionEngine"));
+  private static final boolean DEBUG = "true".equalsIgnoreCase(
+      Platform.getDebugOption("com.google.dart.tools.ui/debug/CompletionEngine"));
   private static final String C_VOID = "void";
   private static final String CORELIB_NAME = "dart:core";
   private static final String MAP_TYPE_NAME = "Map";
@@ -1551,7 +1559,8 @@
     NodeFinder finder = NodeFinder.find(parsedUnit, completionPosition, 0);
     DartNode resolvedNode = finder.selectNode();
     // NodeFinder returns the inner most node, in case of DartParameter - name of its type, or name.
-    if (resolvedNode instanceof DartIdentifier && resolvedNode.getParent() instanceof DartParameter) {
+    if (resolvedNode instanceof DartIdentifier
+        && resolvedNode.getParent() instanceof DartParameter) {
       resolvedNode = resolvedNode.getParent();
     }
     resolvedMember = finder.getEnclosingMethod();
@@ -1625,6 +1634,9 @@
   }
 
   private Type analyzeType(DartNode target) {
+    if (target == null) {
+      return Types.newDynamicType();
+    }
     Type type = target.getType();
     if (type != null) {
       return type;
@@ -1638,8 +1650,8 @@
     }
   }
 
-  private void createCompletionForIndexer(FieldElement field, boolean includeDeclaration,
-      DartIdentifier node, String prefix) {
+  private void createCompletionForIndexer(
+      FieldElement field, boolean includeDeclaration, DartIdentifier node, String prefix) {
     if (!isIndexableType(field.getType())) {
       return;
     }
@@ -1684,7 +1696,8 @@
     char[][] parameterTypeNames = getParameterTypeNames(function);
     char[] returnTypeName = null;
     returnTypeName = function.getFunctionType().getReturnType().getElement().getName().toCharArray();
-    proposal.setDeclarationSignature(function.getLibrary().getLibraryUnit().getName().toCharArray());
+    proposal.setDeclarationSignature(
+        function.getLibrary().getLibraryUnit().getName().toCharArray());
     proposal.setSignature(typeName.toCharArray());
     proposal.setCompletion(name.toCharArray());
     proposal.setName(name.toCharArray());
@@ -1697,8 +1710,8 @@
     requestor.accept(proposal);
   }
 
-  private void createCompletionsForFactoryInvocation(DartIdentifier memberName,
-      DartNode completionNode, InterfaceType itype) {
+  private void createCompletionsForFactoryInvocation(
+      DartIdentifier memberName, DartNode completionNode, InterfaceType itype) {
     String prefix = extractFilterPrefix(memberName);
     List<Element> members = getConstructors(itype);
     if (!isCompletionAfterDot && memberName == null) {
@@ -1760,7 +1773,8 @@
     char[][] parameterTypeNames = getParameterTypeNames(func);
     char[] returnTypeName = null;
     returnTypeName = func.getReturnType().getElement().getName().toCharArray();
-    proposal.setDeclarationSignature(func.getElement().getLibrary().getLibraryUnit().getName().toCharArray());
+    proposal.setDeclarationSignature(
+        func.getElement().getLibrary().getLibraryUnit().getName().toCharArray());
     proposal.setSignature(typeName.toCharArray());
     proposal.setCompletion(name.toCharArray());
     proposal.setName(name.toCharArray());
@@ -1794,8 +1808,8 @@
     }
   }
 
-  private void createCompletionsForLibraryPrefix(DartIdentifier identifier,
-      LibraryElement libraryElement) {
+  private void createCompletionsForLibraryPrefix(
+      DartIdentifier identifier, LibraryElement libraryElement) {
     String prefix = extractFilterPrefix(identifier);
     Scope scope = libraryElement.getScope();
     Map<String, Element> elements = scope.getElements();
@@ -1832,7 +1846,8 @@
           FunctionAliasElement function = (FunctionAliasElement) element;
           parameterNames = getParameterNames(function);
           parameterTypeNames = getParameterTypeNames(function);
-          returnTypeName = function.getFunctionType().getReturnType().getElement().getName().toCharArray();
+          returnTypeName = function.getFunctionType()
+            .getReturnType().getElement().getName().toCharArray();
           break;
         case METHOD:
           kind = CompletionProposal.METHOD_NAME_REFERENCE;
@@ -1980,8 +1995,8 @@
       }
       boolean isSetter = method.getModifiers().isSetter();
       boolean isGetter = method.getModifiers().isGetter();
-      int kind = isGetter || isSetter ? CompletionProposal.FIELD_REF
-          : CompletionProposal.METHOD_REF;
+      int kind = isGetter || isSetter
+          ? CompletionProposal.FIELD_REF : CompletionProposal.METHOD_REF;
       InternalCompletionProposal proposal = (InternalCompletionProposal) CompletionProposal.create(
           kind,
           actualCompletionPosition - offset);
@@ -2081,8 +2096,8 @@
     }
   }
 
-  private void createCompletionsForQualifiedMemberAccess(DartIdentifier memberName, Type type,
-      boolean allowDynamic, boolean isInstance) {
+  private void createCompletionsForQualifiedMemberAccess(
+      DartIdentifier memberName, Type type, boolean allowDynamic, boolean isInstance) {
     // At the completion point, the language allows both field and method access.
     // The parser needs more look-ahead to disambiguate. Those tokens may not have
     // been typed yet.
@@ -2111,8 +2126,8 @@
     }
   }
 
-  private void createTypeCompletionsForConstructor(DartNode node, DartNewExpression newExpr,
-      SearchMatch match, String prefix) {
+  private void createTypeCompletionsForConstructor(
+      DartNode node, DartNewExpression newExpr, SearchMatch match, String prefix) {
     DartElement element = match.getElement();
     if (!(element instanceof com.google.dart.tools.core.model.Type)) {
       return;
@@ -2146,9 +2161,8 @@
             continue;
           }
           name = method.getElementName(); // insert named constructors, too
-          InternalCompletionProposal proposal = (InternalCompletionProposal) CompletionProposal.create(
-              CompletionProposal.METHOD_REF,
-              actualCompletionPosition - offset);
+          InternalCompletionProposal proposal = (InternalCompletionProposal) CompletionProposal
+            .create(CompletionProposal.METHOD_REF, actualCompletionPosition - offset);
           char[] declaringTypeName = method.getDeclaringType().getElementName().toCharArray();
           char[] methodName = name.toCharArray();
           proposal.setDeclarationSignature(declaringTypeName);
@@ -2214,7 +2228,8 @@
     requestor.accept(proposal);
   }
 
-  private void createTypeCompletionsForParameterDecl(DartNode node, SearchMatch match, String prefix) {
+  private void createTypeCompletionsForParameterDecl(
+      DartNode node, SearchMatch match, String prefix) {
     DartElement element = match.getElement();
     String name;
     boolean isInterface;
@@ -2446,7 +2461,8 @@
     if (libs == null) { // no prefix specified (vs undefined prefix)
       try {
         int idx = 0;
-        for (com.google.dart.tools.core.model.Type localType : getCurrentCompilationUnit().getTypes()) {
+        for (com.google.dart.tools.core.model.Type localType :
+            getCurrentCompilationUnit().getTypes()) {
           String typeName = localType.getElementName();
           if (typeName.startsWith(prefix)) { // this test is case sensitive
             SearchMatch match = new SearchMatch(
@@ -2466,7 +2482,8 @@
             }
           }
         }
-        for (com.google.dart.tools.core.model.DartFunctionTypeAlias localType : getCurrentCompilationUnit().getFunctionTypeAliases()) {
+        for (com.google.dart.tools.core.model.DartFunctionTypeAlias localType :
+            getCurrentCompilationUnit().getFunctionTypeAliases()) {
           String typeName = localType.getElementName();
           if (typeName.startsWith(prefix)) { // this test is case sensitive
             SearchMatch match = new SearchMatch(
@@ -2750,8 +2767,8 @@
     }
   }
 
-  private void visitorNotImplementedYet(DartNode node, DartNode sourceNode,
-      Class<? extends ASTVisitor<Void>> astClass) {
+  private void visitorNotImplementedYet(
+      DartNode node, DartNode sourceNode, Class<? extends ASTVisitor<Void>> astClass) {
     if (metrics != null) {
       metrics.visitorNotImplementedYet(node, sourceNode, astClass);
     }