avoid NPE for sketches w/o size() (fixes #3585)

core/todo.txt

@@ -2,6 +2,8 @@
 
 
 opengl
+X filter(PShader) broken in HDPI mode
+X   https://github.com/processing/processing/issues/3577
 _ Use PBOs for async texture copy
 _   https://github.com/processing/processing/issues/3569
 _ filter(PShader) broken in HiDPI mode

java/src/processing/mode/java/preproc/SurfaceInfo.java

@@ -29,8 +29,8 @@ import processing.data.StringList;
 
 
 public class SurfaceInfo {
-//  String statement;
-  StringList statements;
+  StringList statements = new StringList();
+
   String width;
   String height;
   String renderer;
@@ -119,9 +119,6 @@ public class SurfaceInfo {
    * matched against and removed from the size() method in the code.
    */
   public void addStatement(String stmt) {
-    if (statements == null) {
-      statements = new StringList();
-    }
     statements.append(stmt);
   }
 
@@ -133,7 +130,7 @@ public class SurfaceInfo {
 
   /** @return true if there's code to be inserted for a settings() method. */
   public boolean hasSettings() {
-    return statements != null;
+    return statements.size() != 0;
   }
 
 

todo.txt

@@ -1,4 +1,10 @@
 0242 (3.0b4)
+X Fix NullPointerException with some sketches that have no size() command
+X   https://github.com/processing/processing/issues/3585
+
+gsoc
+X Second round of arm patches (v5)
+X   https://github.com/processing/processing/pull/3583
 
 
 known issues
@@ -8,6 +14,8 @@ _   but anything else reports "font sadness" b/c it's using the system JRE
 _   https://github.com/processing/processing/issues/3543
 _   move to javapackager or another option?
 _   http://www.excelsiorjet.com/kb/35/howto-create-a-single-exe-from-your-java-application
+_ P2D and P3D windows behave strangely when larger than the screen size
+_   https://github.com/processing/processing/issues/3401
 _ mouse events (i.e. toggle breakpoint) seem to be firing twice