Removed compiler/ directory from repository

dart/compiler/java/com/google/dart/compiler/resolver/TopLevelElementBuilder.java

Index: dart/compiler/java/com/google/dart/compiler/resolver/TopLevelElementBuilder.java
diff --git a/dart/compiler/java/com/google/dart/compiler/resolver/TopLevelElementBuilder.java b/dart/compiler/java/com/google/dart/compiler/resolver/TopLevelElementBuilder.java
deleted file mode 100644
index 9e461a1232de21c949289ffd1d8919f2659f9081..0000000000000000000000000000000000000000
--- a/dart/compiler/java/com/google/dart/compiler/resolver/TopLevelElementBuilder.java
+++ /dev/null
@@ -1,323 +0,0 @@
-// Copyright (c) 2012, 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.
-
-package com.google.dart.compiler.resolver;
-
-import com.google.common.annotations.VisibleForTesting;
-import com.google.common.collect.Lists;
-import com.google.common.collect.Maps;
-import com.google.common.collect.Sets;
-import com.google.dart.compiler.DartCompilationError;
-import com.google.dart.compiler.DartCompilerContext;
-import com.google.dart.compiler.DartCompilerListener;
-import com.google.dart.compiler.ErrorCode;
-import com.google.dart.compiler.ast.ASTVisitor;
-import com.google.dart.compiler.ast.DartClass;
-import com.google.dart.compiler.ast.DartClassTypeAlias;
-import com.google.dart.compiler.ast.DartField;
-import com.google.dart.compiler.ast.DartFieldDefinition;
-import com.google.dart.compiler.ast.DartFunctionTypeAlias;
-import com.google.dart.compiler.ast.DartIdentifier;
-import com.google.dart.compiler.ast.DartLibraryDirective;
-import com.google.dart.compiler.ast.DartMethodDefinition;
-import com.google.dart.compiler.ast.DartNode;
-import com.google.dart.compiler.ast.DartTypeParameter;
-import com.google.dart.compiler.ast.DartUnit;
-import com.google.dart.compiler.ast.LibraryExport;
-import com.google.dart.compiler.ast.LibraryImport;
-import com.google.dart.compiler.ast.LibraryUnit;
-import com.google.dart.compiler.ast.Modifiers;
-import com.google.dart.compiler.common.SourceInfo;
-import com.google.dart.compiler.type.Type;
-import com.google.dart.compiler.type.TypeVariable;
-import com.google.dart.compiler.type.Types;
-import com.google.dart.compiler.util.apache.StringUtils;
-
-import java.util.Collections;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-
-/**
- * Builds all class elements and types of a library. Once all libraries
- * of an application have built their types, the library scope per
- * library can be computed.
- */
-public class TopLevelElementBuilder {
-
-  public void exec(LibraryUnit library, DartCompilerContext context) {
-    assert library.getElement().getScope().isClear();
-    for (DartUnit unit : library.getUnits()) {
-      unit.accept(new Builder(library.getElement()));
-    }
-  }
-
-  public void exec(LibraryUnit library, DartUnit unit, DartCompilerContext context) {
-    unit.accept(new Builder(library.getElement()));
-  }
-
-  public void exec(LibraryUnit library, DartClass cls, DartCompilerContext context) {
-    cls.accept(new Builder(library.getElement()));
-  }
-
-  /**
-   * Fill the scope for this library, using its own top-level elements and elements from imported
-   * libraries.
-   */
-  public void fillInLibraryScope(LibraryUnit library, DartCompilerListener listener) {
-    fillInLibraryScope(library, listener, Sets.newHashSet());
-  }
-    
-    /**
-     * Fill the scope for this library, using its own top-level elements and elements from imported
-     * libraries.
-     */
-  private void fillInLibraryScope(LibraryUnit library, DartCompilerListener listener,
-      Set<Object> processedObjects) {
-    Scope importScope = library.getElement().getImportScope();
-    Scope scope = library.getElement().getScope();
-    
-    // We are done with this library. 
-    if (library.getElement().getScope().isStateReady()) {
-      return;
-    }
-
-    // Fill "library" scope.
-    if (processedObjects.add(library)) {
-      List<Element> exportedElements = Lists.newArrayList();
-      {
-        DartUnit selfUnit = library.getSelfDartUnit();
-        if (selfUnit != null && !selfUnit.getDirectives().isEmpty()
-            && selfUnit.getDirectives().get(0) instanceof DartLibraryDirective) {
-          DartLibraryDirective libraryDirective = (DartLibraryDirective) selfUnit.getDirectives().get(
-              0);
-          if (!libraryDirective.isObsoleteFormat()) {
-            String name = libraryDirective.getLibraryName();
-            if (name != null) {
-              String elementName = "__library_" + name;
-              scope.declareElement(elementName, library.getElement());
-            }
-          }
-        }
-      }
-      for (DartUnit unit : library.getUnits()) {
-        fillInUnitScope(unit, listener, scope, exportedElements);
-      }
-      // Remember exported elements.
-      for (Element exportedElement : exportedElements) {
-        Elements.addExportedElement(library.getElement(), exportedElement);
-      }
-    }
-
-    // Fill "import" scope.
-    Map<String, LibraryPrefixElement> libraryPrefixElements = Maps.newHashMap();
-    for (LibraryImport libraryImport : library.getImports()) {
-      if (!processedObjects.add(libraryImport)) {
-        continue;
-      }
-      LibraryUnit lib = libraryImport.getLibrary();
-      // Prepare scope for this import.
-      Scope scopeForImport;
-      String prefix = libraryImport.getPrefix();
-      {
-        if (prefix != null) {
-          // Put the prefix in the scope.
-          LibraryPrefixElement libraryPrefixElement = libraryPrefixElements.get(prefix);
-          if (libraryPrefixElement == null) {
-            libraryPrefixElement = new LibraryPrefixElementImplementation(prefix, scope);
-            libraryPrefixElements.put(prefix, libraryPrefixElement);
-            Element existingElement = scope.declareElement(prefix, libraryPrefixElement);
-            // Check for conflict between import prefix and top-level element.
-            if (existingElement != null) {
-              listener.onError(new DartCompilationError(existingElement.getNameLocation(),
-                  ResolverErrorCode.CANNOT_HIDE_IMPORT_PREFIX, prefix));
-            }
-          }
-          libraryPrefixElement.addLibrary(lib.getElement());
-          // Fill prefix scope.
-          scopeForImport = libraryPrefixElement.getScope();
-        } else {
-          scopeForImport = importScope;
-        }
-      }
-      // Prepare "lib" scope.
-      fillInLibraryScope(lib, listener, processedObjects);
-      // Fill "library" scope with element exported from "lib".
-      for (Element element : lib.getElement().getExportedElements()) {
-        String name = element.getName();
-        if (libraryImport.isVisible(name)) {
-          Element oldElement = scopeForImport.declareElement(name, element);
-          if (oldElement != null) {
-            scopeForImport.declareElement(name,
-                Elements.createDuplicateElement(oldElement, element));
-          }
-        }
-      }
-    }
-
-    // Fill "library" export scope with re-exports.
-    for (LibraryExport export : library.getExports()) {
-      if (!processedObjects.add(export)) {
-        continue;
-      }
-      LibraryUnit lib = export.getLibrary();
-      fillInLibraryScope(lib, listener, processedObjects);
-      for (Element element : lib.getElement().getExportedElements()) {
-        String name = element.getName();
-        // re-export only if not defined locally
-        if (scope.findLocalElement(name) != null) {
-          continue;
-        }
-        // check if show/hide combinators of "export" are satisfied
-        if (!export.isVisible(name)) {
-          continue;
-        }
-        // do export
-        Element oldElement = Elements.addExportedElement(library.getElement(), element);
-        if (oldElement != null && oldElement.getEnclosingElement() instanceof LibraryElement) {
-          LibraryElement oldLibrary = (LibraryElement) oldElement.getEnclosingElement();
-          SourceInfo sourceInfo = export.getSourceInfo();
-          if (sourceInfo != null) {
-            String oldLibraryName = oldLibrary.getLibraryUnit().getName();
-            listener.onError(new DartCompilationError(sourceInfo,
-                ResolverErrorCode.DUPLICATE_EXPORTED_NAME, Elements.getUserElementTitle(oldElement),
-                oldLibraryName));
-          }
-        }
-      }
-    }
-
-    // Done.
-    library.getElement().getScope().markStateReady();
-  }
-  
-  @VisibleForTesting
-  public void fillInUnitScope(DartUnit unit, DartCompilerListener listener, Scope scope,
-      List<Element> exportedElements) {
-    for (DartNode node : unit.getTopLevelNodes()) {
-      if (node instanceof DartFieldDefinition) {
-        for (DartField field : ((DartFieldDefinition) node).getFields()) {
-          declareNodeInScope(field, listener, scope, exportedElements);
-        }
-      } else {
-        declareNodeInScope(node, listener, scope, exportedElements);
-      }
-    }
-  }
-
-  void declareNodeInScope(DartNode node, DartCompilerListener listener, Scope scope,
-      List<Element> exportedElements) {
-    Element element = node.getElement();
-    String name = element.getName();
-    declare(element, listener, scope);
-    if (exportedElements != null && !DartIdentifier.isPrivateName(name)) {
-      exportedElements.add(element);
-    }
-  }
-  
-  private static void compilationError(DartCompilerListener listener, SourceInfo node, ErrorCode errorCode,
-                        Object... args) {
-    DartCompilationError error = new DartCompilationError(node, errorCode, args);
-    listener.onError(error);
-  }
-
-  private void declare(Element newElement, DartCompilerListener listener, Scope scope) {
-    String name = newElement.getName();
-    Element oldElement = scope.findLocalElement(name);
-    if (oldElement == null && newElement instanceof FieldElement) {
-      FieldElement eField = (FieldElement) newElement;
-      if (!eField.getModifiers().isAbstractField()) {
-        oldElement = scope.findLocalElement("setter " + name);
-      }
-      if (eField.getModifiers().isAbstractField()
-          && StringUtils.startsWith(name, "setter ")) {
-        Element other2 = scope.findLocalElement(StringUtils.removeStart(name, "setter "));
-        if (other2 instanceof FieldElement) {
-          FieldElement otherField = (FieldElement) other2;
-          if (!otherField.getModifiers().isAbstractField()) {
-            oldElement = otherField;
-          }
-        }
-      }
-    }
-    if (oldElement != null) {
-      reportDuplicateDeclaration(listener, oldElement, newElement);
-      reportDuplicateDeclaration(listener, newElement, oldElement);
-    }
-    scope.declareElement(name, newElement);
-  }
-  
-  /**
-   * Reports {@link ResolverErrorCode#DUPLICATE_TOP_LEVEL_DECLARATION} for given named element.
-   */
-  private void reportDuplicateDeclaration(DartCompilerListener listener, Element element,
-      Element otherElement) {
-    compilationError(listener, element.getNameLocation(),
-        ResolverErrorCode.DUPLICATE_TOP_LEVEL_DECLARATION,
-        Elements.getUserElementTitle(otherElement),
-        Elements.getRelativeElementLocation(element, otherElement));
-  }
-
-  /**
-   * Creates a ClassElement for a class.
-   */
-  private class Builder extends ASTVisitor<Void> {
-
-    private LibraryElement library;
-
-    public Builder(LibraryElement library) {
-      this.library = library;
-    }
-
-    @Override
-    public Void visitClass(DartClass node) {
-      ClassElement element = Elements.classFromNode(node, library);
-      List<DartTypeParameter> parameterNodes = node.getTypeParameters();
-      List<TypeVariable> typeVariables = Elements.makeTypeVariables(parameterNodes, element);
-      element.setType(Types.interfaceType(
-          element,
-          Collections.<Type>unmodifiableList(typeVariables)));
-      node.setElement(element);
-      node.getName().setElement(element);
-      return null;
-    }
-
-    @Override
-    public Void visitClassTypeAlias(DartClassTypeAlias node) {
-      ClassAliasElement element = Elements.classFromNode(node, library);
-      List<DartTypeParameter> parameterNodes = node.getTypeParameters();
-      List<TypeVariable> typeVariables = Elements.makeTypeVariables(parameterNodes, element);
-      element.setType(Types.interfaceType(
-          element,
-          Collections.<Type>unmodifiableList(typeVariables)));
-      node.setElement(element);
-      node.getName().setElement(element);
-      return null;
-    }
-    
-    @Override
-    public Void visitFunctionTypeAlias(DartFunctionTypeAlias node) {
-      FunctionAliasElement element = Elements.functionTypeAliasFromNode(node, library);
-      List<DartTypeParameter> parameterNodes = node.getTypeParameters();
-      element.setType(Types.functionAliasType(element,
-                                              Elements.makeTypeVariables(parameterNodes, element)));
-      node.getName().setElement(element);
-      node.setElement(element);
-      return null;
-    }
-
-    @Override
-    public Void visitMethodDefinition(DartMethodDefinition node) {
-      node.setElement(Elements.methodFromMethodNode(node, library));
-      return null;
-    }
-
-    @Override
-    public Void visitField(DartField node) {
-      Modifiers modifiers = node.getModifiers();
-      node.setElement(Elements.fieldFromNode(node, library, node.getObsoleteMetadata(), modifiers));
-      return null;
-    }
-  }
-}