Add Python3 port. Does not work yet.

cpp/Python3/CPP14ParserBase.py

@@ -0,0 +1,29 @@
+
+from antlr4 import *
+
+relativeImport = False
+if __name__ is not None and "." in __name__:
+    relativeImport = True
+
+class CPP14ParserBase(Parser):
+    @staticmethod
+    def parser():
+        if relativeImport:
+            from .CPP14Parser import CPP14Parser
+        else:
+            from CPP14Parser import CPP14Parser
+        return CPP14Parser
+
+    def IsPureSpecifierAllowed(self) -> bool:
+        try:
+            x = self.Context  # memberDeclarator
+            c = x.get_child(0).get_child(0)
+            c2 = c.get_child(0)
+            p = c2.get_child(1)
+            if p is None:
+                return False
+            return isinstance(p, CPP14Parser.ParametersAndQualifiersContext)
+        except:
+            pass
+        return False
+

cpp/Python3/transformGrammar.py

@@ -0,0 +1,33 @@
+import sys, os, re, shutil
+from glob import glob
+from pathlib import Path
+
+def main(argv):
+    for file in glob("./*.g4"):
+        fix(file)
+
+def fix(file_path):
+    print("Altering " + file_path)
+    if not os.path.exists(file_path):
+        print(f"Could not find file: {file_path}")
+        sys.exit(1)
+    parts = os.path.split(file_path)
+    file_name = parts[-1]
+
+    shutil.move(file_path, file_path + ".bak")
+    input_file = open(file_path + ".bak",'r')
+    output_file = open(file_path, 'w')
+    for x in input_file:
+        if 'this.' in x:
+            x = x.replace('this.', 'self.')
+        if '!this.' in x:
+            x = x.replace('!this.', 'not self.')
+        output_file.write(x)
+        output_file.flush()
+
+    print("Writing ...")
+    input_file.close()
+    output_file.close()
+
+if __name__ == '__main__':
+    main(sys.argv)

cpp/desc.xml

@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="UTF-8" ?>
 <desc xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../_scripts/desc.xsd">
-   <targets>Cpp;CSharp;Dart;Java;JavaScript</targets>
+   <targets>Cpp;CSharp;Dart;Java;JavaScript;Python3</targets>
 </desc>