Fixed the SHEBANG detection

rust/CSharp/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._input' in x:
+            x = x.replace("this._input", "this.InputStream")
+
+
+        output_file.write(x)
+        output_file.flush()
+
+    print("Writing ...")
+    input_file.close()
+    output_file.close()
+
+if __name__ == '__main__':
+    main(sys.argv)

rust/RustLexer.g4

@@ -133,7 +133,9 @@ OUTER_BLOCK_DOC:
 
 BLOCK_COMMENT_OR_DOC: ( BLOCK_COMMENT | INNER_BLOCK_DOC | OUTER_BLOCK_DOC) -> channel (HIDDEN);
 
-SHEBANG: {this.SOF()}? '\ufeff'? '#!' ~[\r\n]* -> channel(HIDDEN);
+SHEBANG: {this.SOF()}? '\ufeff'? '#!' {this._input.LA(1) != 97}? ~[\r\n]* -> channel(HIDDEN);
+// Shebang not in first line and #! cannot be followed by a '[' character shebang
+
 
 //ISOLATED_CR
 // : '\r' {_input.LA(1)!='\n'}// not followed with \n ;