gnu/packages/patches/java-antlr4-Add-standalone-generator.patch

   1 From 3b43b79da15be994348f13035474925ba592fe1f Mon Sep 17 00:00:00 2001
   2 From: Julien Lepiller <julien@lepiller.eu>
   3 Date: Fri, 15 Sep 2017 10:06:42 +0200
   4 Subject: [PATCH] Add standalone template generator
   5
   6 ---
   7  tool/src/org/antlr/v4/unicode/UnicodeRenderer.java | 33 ++++++++++++++++++++++
   8  1 file changed, 33 insertions(+)
   9  create mode 100644 tool/src/org/antlr/v4/unicode/UnicodeRenderer.java
  10
  11 diff --git a/tool/src/org/antlr/v4/unicode/UnicodeRenderer.java b/tool/src/org/antlr/v4/unicode/UnicodeRenderer.java
  12 new file mode 100644
  13 index 0000000..9e53213
  14 --- /dev/null
  15 +++ b/tool/src/org/antlr/v4/unicode/UnicodeRenderer.java
  16 @@ -0,0 +1,33 @@
  17 +package org.antlr.v4.unicode;
  18 +
  19 +import org.stringtemplate.v4.*;
  20 +import org.stringtemplate.v4.misc.ErrorBuffer;
  21 +import org.antlr.v4.unicode.UnicodeDataTemplateController;
  22 +
  23 +import java.io.File;
  24 +import java.io.FileWriter;
  25 +import java.io.IOException;
  26 +import java.util.Map;
  27 +import java.util.Map.Entry;
  28 +
  29 +public class UnicodeRenderer extends UnicodeDataTemplateController {
  30 +    public static void main(String[] arg)
  31 +        throws IOException {
  32 +        String inputdir =  arg[0];
  33 +        String input =     arg[1];
  34 +        String output =    arg[2];
  35 +
  36 +        FileWriter fileWriter = new FileWriter(new File(output));
  37 +        ErrorBuffer listener = new ErrorBuffer();
  38 +
  39 +        STGroupDir group = new STGroupDir(inputdir);
  40 +        ST st = group.getInstanceOf(input);
  41 +
  42 +        for(Entry<String, Object> entry : getProperties().entrySet())
  43 +               st.add(entry.getKey(), entry.getValue());
  44 +
  45 +        st.write(new AutoIndentWriter(fileWriter), listener);
  46 +        fileWriter.flush();
  47 +        fileWriter.close();
  48 +    }
  49 +}
  50 --
  51 2.13.5
  52