Updated to python3, java11

CheckerPrinter/src/checkerprinter/InMemory.java

@@ -96,9 +96,22 @@ protected boolean initCheckerArgs(JsonObject optionsObject) {
             this.exceptionMsg = "Error: Cannot find indicated checker.";
             return false;
         }
+        /*
+         "-J--add-exports=jdk.compiler/com.sun.tools.javac.api=ALL-UNNAMED",
+                    "-J--add-exports=jdk.compiler/com.sun.tools.javac.code=ALL-UNNAMED",
+                    "-J--add-exports=jdk.compiler/com.sun.tools.javac.file=ALL-UNNAMED",
+                    "-J--add-exports=jdk.compiler/com.sun.tools.javac.main=ALL-UNNAMED",
+                    "-J--add-exports=jdk.compiler/com.sun.tools.javac.model=ALL-UNNAMED",
+                    "-J--add-exports=jdk.compiler/com.sun.tools.javac.processing=ALL-UNNAMED",
+                    "-J--add-exports=jdk.compiler/com.sun.tools.javac.tree=ALL-UNNAMED",
+                    "-J--add-exports=jdk.compiler/com.sun.tools.javac.util=ALL-UNNAMED",
+                    "-J--add-opens=jdk.compiler/com.sun.tools.javac.comp=ALL-UNNAMED",
+                    "-processorpath", "$CHECKERFRAMEWORK/checker/dist/checker.jar",
+                    "-cp", "$CHECKERFRAMEWORK/checker/dist/checker-qual.jar",
+        */
         this.checkerOptionsList =
                 Arrays.asList(
-                        "-Xbootclasspath/p:" + this.CHECKER_FRAMEWORK + "/checker/dist/jdk8.jar",
+
                         "-processor",
                         checker);
         if (optionsObject.getBoolean("has_cfg")) {
@@ -150,10 +163,10 @@ protected boolean initCheckerArgs(JsonObject optionsObject) {
 
         List<Diagnostic<? extends JavaFileObject>> diagnosticList = errorCollector.getDiagnostics();
 
-        assert this.checkerOptionsList.size() > 1 : "at least should have -Xbootclasspath/p: flag";
+        assert this.checkerOptionsList.size() > 1 : "at least should have -Xbootclasspath/a: flag";
 
         this.checkerPrinter.setExecCmd(
-                this.checkerOptionsList.subList(1, this.checkerOptionsList.size()));
+                this.checkerOptionsList.subList(0, this.checkerOptionsList.size()));
 
         if (bytecode != null && diagnosticList.size() == 0) {
             this.checkerPrinter.printSuccess();

bottle.py

@@ -147,7 +147,7 @@ def _e():
     from urllib.parse import urlencode, quote as urlquote, unquote as urlunquote
     urlunquote = functools.partial(urlunquote, encoding='latin1')
     from http.cookies import SimpleCookie
-    from collections import MutableMapping as DictMixin
+    from collections.abc import MutableMapping as DictMixin
     import pickle
     from io import BytesIO
     from configparser import ConfigParser, Error as ConfigParserError
@@ -178,7 +178,7 @@ def next(it):
 
         bytes = str
     else:  # 2.6, 2.7
-        from collections import MutableMapping as DictMixin
+        from collections.abc import MutableMapping as DictMixin
     unicode = unicode
     json_loads = json_lds
     eval(compile('def _raise(*a): raise a[0], a[1], a[2]', '<py3fix>', 'exec'))

bottle_server.py

@@ -36,11 +36,11 @@
 app = Bottle()
 default_app.push(app)
 
-import StringIO # NB: don't use cStringIO since it doesn't support unicode!!!
+from io import StringIO # NB: don't use cStringIO since it doesn't support unicode!!!
 import json
 # import pg_logger
 import urllib
-import urllib2
+##import urllib2
 
 appPath = dirname(abspath(__file__))
 
@@ -63,13 +63,15 @@ def get_exec():
   java_backend = subprocess.Popen(['./shell-scripts/run-checker.sh', request.query.frontend_data.encode('utf8'),
     cfPath, str(isRise4Fun)], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
   (stdout, stderr) = java_backend.communicate()
+
+  print("Java backend output: %d %s %s" % (java_backend.returncode,stdout, stderr)) ## added for debugging
   if java_backend.returncode != 0:
     print ("Error: CheckerPrinter failed %d %s %s" % (java_backend.returncode,stdout, stderr))
     result = json.dumps({'backend_status':'exception', 'exception_msg':'500 Server Internal Error.'})
   else:  
     result = stdout
   response.add_header("Content-Type", "application/json")
-  return result
+  return result 
 
 if __name__ == "__main__":
     run(host='127.0.0.1', port=8081, reloader=True)

shell-scripts/run-checker.sh

@@ -22,6 +22,6 @@ fi
 CF=$2
 IS_RISE4FUN=$3
 
-cat <<ENDEND | $JAVA_HOME/bin/java -Xmx2500M -Xbootclasspath/p:$CF/checker/dist/javac.jar -ea -ea:com.sun.tools... -cp $CF/checker/dist/checker.jar:../CheckerPrinter/bin:../CheckerPrinter/javax.json-1.0.jar:$JAVA_HOME/lib/tools.jar checkerprinter.InMemory $CF $IS_RISE4FUN
+cat <<ENDEND | $JAVA_HOME/bin/java -Xmx2500M -Xbootclasspath/a:$CF/checker/dist/javac.jar -ea -ea:com.sun.tools... -cp $CF/checker/dist/checker.jar:../CheckerPrinter/bin:../CheckerPrinter/javax.json-1.0.jar:$JAVA_HOME/lib/tools.jar checkerprinter.InMemory $CF $IS_RISE4FUN
 $1
 ENDEND