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src/java.base/share/tools/org/openjdk/buildtools/generatecharacter/GenerateCharacter.java

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   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package build.tools.generatecharacter;
  27 
  28 import java.io.IOException;
  29 import java.io.FileNotFoundException;
  30 import java.io.BufferedReader;
  31 import java.io.FileReader;
  32 import java.io.PrintWriter;
  33 import java.io.BufferedWriter;
  34 import java.io.FileWriter;
  35 import java.io.File;
  36 import java.util.List;
  37 
  38 import build.tools.generatecharacter.CharacterName;
  39 
  40 /**
  41  * This program generates the source code for the class java.lang.Character.
  42  * It also generates native C code that can perform the same operations.
  43  * It requires two external input data files:
  44  * <ul>
  45  * <li> Unicode specification file
  46  * <li> Character class template file
  47  * </ul>
  48  * The Unicode specification file is available from the Unicode consortium.
  49  * It has character specification lines that look like this:
  50  * <listing>
  51  * 0041;LATIN CAPITAL LETTER A;Lu;0;L;;;;;N;;;;0061;
  52  * </listing>
  53  * The Character class template file is filled in with additional
  54  * information to produce the file Character.java, which can then be
  55  * compiled by a Java compiler.  The template file contains certain
  56  * markers consisting of an alphabetic name string preceded by "$$".
  57  * Such markers are replaced with generated program text.  As a special
  58  * case, the marker "Lookup(xxx)" is recognized, where "xxx" consists of




   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package org.openjdk.buildtools.generatecharacter;
  27 
  28 import java.io.IOException;
  29 import java.io.FileNotFoundException;
  30 import java.io.BufferedReader;
  31 import java.io.FileReader;
  32 import java.io.PrintWriter;
  33 import java.io.BufferedWriter;
  34 import java.io.FileWriter;
  35 import java.io.File;
  36 import java.util.List;
  37 
  38 import org.openjdk.buildtools.generatecharacter.CharacterName;
  39 
  40 /**
  41  * This program generates the source code for the class java.lang.Character.
  42  * It also generates native C code that can perform the same operations.
  43  * It requires two external input data files:
  44  * <ul>
  45  * <li> Unicode specification file
  46  * <li> Character class template file
  47  * </ul>
  48  * The Unicode specification file is available from the Unicode consortium.
  49  * It has character specification lines that look like this:
  50  * <listing>
  51  * 0041;LATIN CAPITAL LETTER A;Lu;0;L;;;;;N;;;;0061;
  52  * </listing>
  53  * The Character class template file is filled in with additional
  54  * information to produce the file Character.java, which can then be
  55  * compiled by a Java compiler.  The template file contains certain
  56  * markers consisting of an alphabetic name string preceded by "$$".
  57  * Such markers are replaced with generated program text.  As a special
  58  * case, the marker "Lookup(xxx)" is recognized, where "xxx" consists of


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