src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/ir/Module.java - platform/libcore - Git at Google

 /*
  * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.  Oracle designates this
  * particular file as subject to the "Classpath" exception as provided
  * by Oracle in the LICENSE file that accompanied this code.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */

 package jdk.nashorn.internal.ir;

 import java.util.List;

 /**
  * ES6 Module information.
  */
 public final class Module {

     /** The synthetic binding name assigned to export default declarations with unnamed expressions. */
     public static final String DEFAULT_EXPORT_BINDING_NAME = "*default*";

     /** The {@code export default} name. */
     public static final String DEFAULT_NAME = "default";

     /** The {@code export *} name. */
     public static final String STAR_NAME = "*";

     /**
      * A module ExportEntry record.
      *
      * @see <a href="http://www.ecma-international.org/ecma-262/6.0/#sec-source-text-module-records">es6 modules</a>
      */
     public static final class ExportEntry {
         private final IdentNode exportName;
         private final IdentNode moduleRequest;
         private final IdentNode importName;
         private final IdentNode localName;

         private final int startPosition;
         private final int endPosition;

         private ExportEntry(final IdentNode exportName, final IdentNode moduleRequest, final IdentNode importName,
                             final IdentNode localName, final int startPosition, final int endPosition) {
             this.exportName = exportName;
             this.moduleRequest = moduleRequest;
             this.importName = importName;
             this.localName = localName;
             this.startPosition = startPosition;
             this.endPosition = endPosition;
         }

         /**
          * Creates a {@code export *} export entry.
          *
          * @param starName the star name
          * @param moduleRequest the module request
          * @param startPosition the start position
          * @param endPosition the end position
          * @return the export entry
          */
         public static ExportEntry exportStarFrom(final IdentNode starName, final IdentNode moduleRequest, final int startPosition, final int endPosition) {
             return new ExportEntry(null, moduleRequest, starName, null, startPosition, endPosition);
         }

         /**
          * Creates a {@code export default} export entry with a local name.
          *
          * @param defaultName the default name
          * @param localName the local name
          * @param startPosition the start position
          * @param endPosition the end position
          * @return the export entry
          */
         public static ExportEntry exportDefault(final IdentNode defaultName, final IdentNode localName, final int startPosition, final int endPosition) {
             return new ExportEntry(defaultName, null, null, localName, startPosition, endPosition);
         }

         /**
          * Creates a export entry with a local name and export name.
          *
          * @param exportName the export name
          * @param localName the local name
          * @param startPosition the start position
          * @param endPosition the end position
          * @return the export entry
          */
         public static ExportEntry exportSpecifier(final IdentNode exportName, final IdentNode localName, final int startPosition, final int endPosition) {
             return new ExportEntry(exportName, null, null, localName, startPosition, endPosition);
         }


         /**
          * Creates a export entry with an export name.
          *
          * @param exportName the export name
          * @param startPosition the start position
          * @param endPosition the end position
          * @return the export entry
          */
         public static ExportEntry exportSpecifier(final IdentNode exportName, final int startPosition, final int endPosition) {
             return exportSpecifier(exportName, exportName, startPosition, endPosition);
         }

         /**
          * Create a copy of this entry with the specified {@code module request} string.
          *
          * @param moduleRequest the module request
          * @param endPosition the new endPosition
          * @return the new export entry
          */
         public ExportEntry withFrom(@SuppressWarnings("hiding") final IdentNode moduleRequest, final int endPosition) {
             // Note that "from" moves localName to inputName, and localName becomes null
             return new ExportEntry(exportName, moduleRequest, localName, null, startPosition, endPosition);
         }

         /**
          * Returns the entry's export name.
          *
          * @return the export name
          */
         public IdentNode getExportName() {
             return exportName;
         }

         /**
          * Returns the entry's module request.
          *
          * @return the module request
          */
         public IdentNode getModuleRequest() {
             return moduleRequest;
         }

         /**
          * Returns the entry's import name.
          *
          * @return the import name
          */
         public IdentNode getImportName() {
             return importName;
         }

         /**
          * Returns the entry's local name.
          *
          * @return the local name
          */
         public IdentNode getLocalName() {
             return localName;
         }

         /**
          * Returns the entry's start position.
          *
          * @return the start position
          */
         public int getStartPosition() {
             return startPosition;
         }

         /**
          * Returns the entry's end position.
          *
          * @return the end position
          */
         public int getEndPosition() {
             return endPosition;
         }

         @Override
         public String toString() {
             return "ExportEntry [exportName=" + exportName + ", moduleRequest=" + moduleRequest + ", importName=" + importName + ", localName=" + localName + "]";
         }
     }

     /**
      * An ImportEntry record.
      *
      * @see <a href="http://www.ecma-international.org/ecma-262/6.0/#sec-source-text-module-records">es6 modules</a>
      */
     public static final class ImportEntry {
         private final IdentNode moduleRequest;
         private final IdentNode importName;
         private final IdentNode localName;

         private final int startPosition;
         private final int endPosition;

         private ImportEntry(final IdentNode moduleRequest, final IdentNode importName, final IdentNode localName,
                             final int startPosition, final int endPosition) {
             this.moduleRequest = moduleRequest;
             this.importName = importName;
             this.localName = localName;
             this.startPosition = startPosition;
             this.endPosition = endPosition;
         }

         /**
          * Creates an import entry with the given import and local names.
          *
          * @param importName the import name
          * @param localName the local name
          * @param startPosition the start position
          * @param endPosition the end position
          * @return the import entry
          */
         public static ImportEntry importSpecifier(final IdentNode importName, final IdentNode localName, final int startPosition, final int endPosition) {
             return new ImportEntry(null, importName, localName, startPosition, endPosition);
         }

         /**
          * Creates a new import entry with the given import name.
          *
          * @param importName the import name
          * @param startPosition the start position
          * @param endPosition the end position
          * @return the import entry
          */
         public static ImportEntry importSpecifier(final IdentNode importName, final int startPosition, final int endPosition) {
             return importSpecifier(importName, importName, startPosition, endPosition);
         }

         /**
          * Returns a copy of this import entry with the given module request and end position.
          *
          * @param moduleRequest the module request
          * @param endPosition the new end position
          * @return the new import entry
          */
         public ImportEntry withFrom(@SuppressWarnings("hiding") final IdentNode moduleRequest, final int endPosition) {
             return new ImportEntry(moduleRequest, importName, localName, startPosition, endPosition);
         }

         /**
          * Returns the entry's module request.
          *
          * @return the module request
          */
         public IdentNode getModuleRequest() {
             return moduleRequest;
         }

         /**
          * Returns the entry's import name.
          *
          * @return the import name
          */
         public IdentNode getImportName() {
             return importName;
         }

         /**
          * Returns the entry's local name.
          *
          * @return the local name
          */
         public IdentNode getLocalName() {
             return localName;
         }

         /**
          * Returns the entry's start position.
          *
          * @return the start position
          */
         public int getStartPosition() {
             return startPosition;
         }

         /**
          * Returns the entry's end position.
          *
          * @return the end position
          */
         public int getEndPosition() {
             return endPosition;
         }

         @Override
         public String toString() {
             return "ImportEntry [moduleRequest=" + moduleRequest + ", importName=" + importName + ", localName=" + localName + "]";
         }
     }

     private final List<String> requestedModules;
     private final List<ImportEntry> importEntries;
     private final List<ExportEntry> localExportEntries;
     private final List<ExportEntry> indirectExportEntries;
     private final List<ExportEntry> starExportEntries;

     /**
      * Creates a module with the specified requested modules and import and export entries.
      *
      * @param requestedModules the requested modules
      * @param importEntries the import entries
      * @param localExportEntries local export entries
      * @param indirectExportEntries indirect export entries
      * @param starExportEntries star export entries
      */
     public Module(final List<String> requestedModules, final List<ImportEntry> importEntries, final List<ExportEntry> localExportEntries,
                   final List<ExportEntry> indirectExportEntries, final List<ExportEntry> starExportEntries) {
         this.requestedModules = requestedModules;
         this.importEntries = importEntries;
         this.localExportEntries = localExportEntries;
         this.indirectExportEntries = indirectExportEntries;
         this.starExportEntries = starExportEntries;
     }

     /**
      * Returns the list of requested modules.
      *
      * @return the requested modules
      */
     public List<String> getRequestedModules() {
         return requestedModules;
     }

     /**
      * Returns the list of import entries.
      *
      * @return the import entries
      */
     public List<ImportEntry> getImportEntries() {
         return importEntries;
     }

     /**
      * Returns the list of local export entries.
      *
      * @return the local export entries
      */
     public List<ExportEntry> getLocalExportEntries() {
         return localExportEntries;
     }

     /**
      * Returns the list of indirect export entries.
      *
      * @return the indirect export entries
      */
     public List<ExportEntry> getIndirectExportEntries() {
         return indirectExportEntries;
     }

     /**
      * Returns the list of star export entries.
      *
      * @return the star export entries
      */
     public List<ExportEntry> getStarExportEntries() {
         return starExportEntries;
     }

     @Override
     public String toString() {
         return "Module [requestedModules=" + requestedModules + ", importEntries=" + importEntries + ", localExportEntries=" + localExportEntries + ", indirectExportEntries=" +
                 indirectExportEntries + ", starExportEntries=" + starExportEntries + "]";
     }
 }
	/*
	* Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
	*
	* This code is free software; you can redistribute it and/or modify it
	* under the terms of the GNU General Public License version 2 only, as
	* published by the Free Software Foundation. Oracle designates this
	* particular file as subject to the "Classpath" exception as provided
	* by Oracle in the LICENSE file that accompanied this code.
	*
	* This code is distributed in the hope that it will be useful, but WITHOUT
	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
	* version 2 for more details (a copy is included in the LICENSE file that
	* accompanied this code).
	*
	* You should have received a copy of the GNU General Public License version
	* 2 along with this work; if not, write to the Free Software Foundation,
	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
	*
	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
	* or visit www.oracle.com if you need additional information or have any
	* questions.
	*/

	package jdk.nashorn.internal.ir;

	import java.util.List;

	/**
	* ES6 Module information.
	*/
	public final class Module {

	/** The synthetic binding name assigned to export default declarations with unnamed expressions. */
	public static final String DEFAULT_EXPORT_BINDING_NAME = "default";

	/** The {@code export default} name. */
	public static final String DEFAULT_NAME = "default";

	/** The {@code export } name. /
	public static final String STAR_NAME = "*";

	/**
	* A module ExportEntry record.
	*
	* @see <a href="http://www.ecma-international.org/ecma-262/6.0/#sec-source-text-module-records">es6 modules</a>
	*/
	public static final class ExportEntry {
	private final IdentNode exportName;
	private final IdentNode moduleRequest;
	private final IdentNode importName;
	private final IdentNode localName;

	private final int startPosition;
	private final int endPosition;

	private ExportEntry(final IdentNode exportName, final IdentNode moduleRequest, final IdentNode importName,
	final IdentNode localName, final int startPosition, final int endPosition) {
	this.exportName = exportName;
	this.moduleRequest = moduleRequest;
	this.importName = importName;
	this.localName = localName;
	this.startPosition = startPosition;
	this.endPosition = endPosition;
	}

	/**
	* Creates a {@code export *} export entry.
	*
	* @param starName the star name
	* @param moduleRequest the module request
	* @param startPosition the start position
	* @param endPosition the end position
	* @return the export entry
	*/
	public static ExportEntry exportStarFrom(final IdentNode starName, final IdentNode moduleRequest, final int startPosition, final int endPosition) {
	return new ExportEntry(null, moduleRequest, starName, null, startPosition, endPosition);
	}

	/**
	* Creates a {@code export default} export entry with a local name.
	*
	* @param defaultName the default name
	* @param localName the local name
	* @param startPosition the start position
	* @param endPosition the end position
	* @return the export entry
	*/
	public static ExportEntry exportDefault(final IdentNode defaultName, final IdentNode localName, final int startPosition, final int endPosition) {
	return new ExportEntry(defaultName, null, null, localName, startPosition, endPosition);
	}

	/**
	* Creates a export entry with a local name and export name.
	*
	* @param exportName the export name
	* @param localName the local name
	* @param startPosition the start position
	* @param endPosition the end position
	* @return the export entry
	*/
	public static ExportEntry exportSpecifier(final IdentNode exportName, final IdentNode localName, final int startPosition, final int endPosition) {
	return new ExportEntry(exportName, null, null, localName, startPosition, endPosition);
	}


	/**
	* Creates a export entry with an export name.
	*
	* @param exportName the export name
	* @param startPosition the start position
	* @param endPosition the end position
	* @return the export entry
	*/
	public static ExportEntry exportSpecifier(final IdentNode exportName, final int startPosition, final int endPosition) {
	return exportSpecifier(exportName, exportName, startPosition, endPosition);
	}

	/**
	* Create a copy of this entry with the specified {@code module request} string.
	*
	* @param moduleRequest the module request
	* @param endPosition the new endPosition
	* @return the new export entry
	*/
	public ExportEntry withFrom(@SuppressWarnings("hiding") final IdentNode moduleRequest, final int endPosition) {
	// Note that "from" moves localName to inputName, and localName becomes null
	return new ExportEntry(exportName, moduleRequest, localName, null, startPosition, endPosition);
	}

	/**
	* Returns the entry's export name.
	*
	* @return the export name
	*/
	public IdentNode getExportName() {
	return exportName;
	}

	/**
	* Returns the entry's module request.
	*
	* @return the module request
	*/
	public IdentNode getModuleRequest() {
	return moduleRequest;
	}

	/**
	* Returns the entry's import name.
	*
	* @return the import name
	*/
	public IdentNode getImportName() {
	return importName;
	}

	/**
	* Returns the entry's local name.
	*
	* @return the local name
	*/
	public IdentNode getLocalName() {
	return localName;
	}

	/**
	* Returns the entry's start position.
	*
	* @return the start position
	*/
	public int getStartPosition() {
	return startPosition;
	}

	/**
	* Returns the entry's end position.
	*
	* @return the end position
	*/
	public int getEndPosition() {
	return endPosition;
	}

	@Override
	public String toString() {
	return "ExportEntry [exportName=" + exportName + ", moduleRequest=" + moduleRequest + ", importName=" + importName + ", localName=" + localName + "]";
	}
	}

	/**
	* An ImportEntry record.
	*
	* @see <a href="http://www.ecma-international.org/ecma-262/6.0/#sec-source-text-module-records">es6 modules</a>
	*/
	public static final class ImportEntry {
	private final IdentNode moduleRequest;
	private final IdentNode importName;
	private final IdentNode localName;

	private final int startPosition;
	private final int endPosition;

	private ImportEntry(final IdentNode moduleRequest, final IdentNode importName, final IdentNode localName,
	final int startPosition, final int endPosition) {
	this.moduleRequest = moduleRequest;
	this.importName = importName;
	this.localName = localName;
	this.startPosition = startPosition;
	this.endPosition = endPosition;
	}

	/**
	* Creates an import entry with the given import and local names.
	*
	* @param importName the import name
	* @param localName the local name
	* @param startPosition the start position
	* @param endPosition the end position
	* @return the import entry
	*/
	public static ImportEntry importSpecifier(final IdentNode importName, final IdentNode localName, final int startPosition, final int endPosition) {
	return new ImportEntry(null, importName, localName, startPosition, endPosition);
	}

	/**
	* Creates a new import entry with the given import name.
	*
	* @param importName the import name
	* @param startPosition the start position
	* @param endPosition the end position
	* @return the import entry
	*/
	public static ImportEntry importSpecifier(final IdentNode importName, final int startPosition, final int endPosition) {
	return importSpecifier(importName, importName, startPosition, endPosition);
	}

	/**
	* Returns a copy of this import entry with the given module request and end position.
	*
	* @param moduleRequest the module request
	* @param endPosition the new end position
	* @return the new import entry
	*/
	public ImportEntry withFrom(@SuppressWarnings("hiding") final IdentNode moduleRequest, final int endPosition) {
	return new ImportEntry(moduleRequest, importName, localName, startPosition, endPosition);
	}

	/**
	* Returns the entry's module request.
	*
	* @return the module request
	*/
	public IdentNode getModuleRequest() {
	return moduleRequest;
	}

	/**
	* Returns the entry's import name.
	*
	* @return the import name
	*/
	public IdentNode getImportName() {
	return importName;
	}

	/**
	* Returns the entry's local name.
	*
	* @return the local name
	*/
	public IdentNode getLocalName() {
	return localName;
	}

	/**
	* Returns the entry's start position.
	*
	* @return the start position
	*/
	public int getStartPosition() {
	return startPosition;
	}

	/**
	* Returns the entry's end position.
	*
	* @return the end position
	*/
	public int getEndPosition() {
	return endPosition;
	}

	@Override
	public String toString() {
	return "ImportEntry [moduleRequest=" + moduleRequest + ", importName=" + importName + ", localName=" + localName + "]";
	}
	}

	private final List<String> requestedModules;
	private final List<ImportEntry> importEntries;
	private final List<ExportEntry> localExportEntries;
	private final List<ExportEntry> indirectExportEntries;
	private final List<ExportEntry> starExportEntries;

	/**
	* Creates a module with the specified requested modules and import and export entries.
	*
	* @param requestedModules the requested modules
	* @param importEntries the import entries
	* @param localExportEntries local export entries
	* @param indirectExportEntries indirect export entries
	* @param starExportEntries star export entries
	*/
	public Module(final List<String> requestedModules, final List<ImportEntry> importEntries, final List<ExportEntry> localExportEntries,
	final List<ExportEntry> indirectExportEntries, final List<ExportEntry> starExportEntries) {
	this.requestedModules = requestedModules;
	this.importEntries = importEntries;
	this.localExportEntries = localExportEntries;
	this.indirectExportEntries = indirectExportEntries;
	this.starExportEntries = starExportEntries;
	}

	/**
	* Returns the list of requested modules.
	*
	* @return the requested modules
	*/
	public List<String> getRequestedModules() {
	return requestedModules;
	}

	/**
	* Returns the list of import entries.
	*
	* @return the import entries
	*/
	public List<ImportEntry> getImportEntries() {
	return importEntries;
	}

	/**
	* Returns the list of local export entries.
	*
	* @return the local export entries
	*/
	public List<ExportEntry> getLocalExportEntries() {
	return localExportEntries;
	}

	/**
	* Returns the list of indirect export entries.
	*
	* @return the indirect export entries
	*/
	public List<ExportEntry> getIndirectExportEntries() {
	return indirectExportEntries;
	}

	/**
	* Returns the list of star export entries.
	*
	* @return the star export entries
	*/
	public List<ExportEntry> getStarExportEntries() {
	return starExportEntries;
	}

	@Override
	public String toString() {
	return "Module [requestedModules=" + requestedModules + ", importEntries=" + importEntries + ", localExportEntries=" + localExportEntries + ", indirectExportEntries=" +
	indirectExportEntries + ", starExportEntries=" + starExportEntries + "]";
	}
	}