add a few missing TruffleBoundaries

Author: timfel

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/objects/function/PBuiltinFunction.java

@@ -35,6 +35,7 @@
 import com.oracle.graal.python.builtins.objects.PNone;
 import com.oracle.graal.python.builtins.objects.object.PythonBuiltinObject;
 import com.oracle.graal.python.builtins.objects.object.PythonObjectLibrary;
+import com.oracle.graal.python.builtins.objects.str.PString;
 import com.oracle.graal.python.builtins.objects.type.LazyPythonClass;
 import com.oracle.graal.python.builtins.objects.type.TypeNodes.GetNameNode;
 import com.oracle.graal.python.nodes.PRootNode;
@@ -77,7 +78,7 @@ public PBuiltinFunction(String name, LazyPythonClass enclosingType, int numDefau
         }
         this.getStorage().define(__NAME__, name);
         if (enclosingType != null) {
-            this.getStorage().define(__QUALNAME__, GetNameNode.doSlowPath(enclosingType) + "." + name);
+            this.getStorage().define(__QUALNAME__, PString.cat(GetNameNode.doSlowPath(enclosingType), ".", name));
         } else {
             this.getStorage().define(__QUALNAME__, name);
         }

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/objects/function/PFunction.java

@@ -33,6 +33,7 @@
 import com.oracle.graal.python.builtins.objects.code.PCode;
 import com.oracle.graal.python.builtins.objects.object.PythonObject;
 import com.oracle.graal.python.builtins.objects.object.PythonObjectLibrary;
+import com.oracle.graal.python.builtins.objects.str.PString;
 import com.oracle.graal.python.nodes.PRootNode;
 import com.oracle.graal.python.nodes.SpecialMethodNames;
 import com.oracle.graal.python.nodes.attributes.WriteAttributeToDynamicObjectNode;
@@ -92,10 +93,10 @@ public PFunction(String name, String enclosingClassName, PCode code, PythonObjec
     private static void addDefaultConstants(WriteAttributeToDynamicObjectNode writeAttrNode, DynamicObject storage, String name, String enclosingClassName) {
         if (writeAttrNode != null) {
             writeAttrNode.execute(storage, __NAME__, name);
-            writeAttrNode.execute(storage, __QUALNAME__, enclosingClassName != null ? enclosingClassName + "." + name : name);
+            writeAttrNode.execute(storage, __QUALNAME__, enclosingClassName != null ? PString.cat(enclosingClassName, ".", name) : name);
         } else {
             storage.define(__NAME__, name);
-            storage.define(__QUALNAME__, enclosingClassName != null ? enclosingClassName + "." + name : name);
+            storage.define(__QUALNAME__, enclosingClassName != null ? PString.cat(enclosingClassName, ".", name) : name);
         }
     }
 

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/objects/str/PString.java

@@ -273,4 +273,13 @@ public static boolean isWhitespace(int codePoint) {
     public static boolean equals(String left, String other) {
         return left.equals(other);
     }
+
+    @TruffleBoundary
+    public static String cat(Object... args) {
+        StringBuilder sb = new StringBuilder();
+        for (Object arg : args) {
+            sb.append(arg);
+        }
+        return sb.toString();
+    }
 }

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/nodes/statement/AbstractImportNode.java

@@ -49,6 +49,7 @@
 import com.oracle.graal.python.builtins.objects.function.PKeyword;
 import com.oracle.graal.python.builtins.objects.method.PMethod;
 import com.oracle.graal.python.builtins.objects.module.PythonModule;
+import com.oracle.graal.python.builtins.objects.str.PString;
 import com.oracle.graal.python.nodes.BuiltinNames;
 import com.oracle.graal.python.nodes.call.CallNode;
 import com.oracle.graal.python.nodes.object.GetDictNode;
@@ -123,7 +124,7 @@ protected Object importModule(VirtualFrame frame, String name, Object globals, S
         }
         if (emulateJython()) {
             if (fromList.length > 0) {
-                getContext().pushCurrentImport(name + "." + fromList[0]);
+                getContext().pushCurrentImport(PString.cat(name, ".", fromList[0]));
             } else {
                 getContext().pushCurrentImport(name);
             }

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/nodes/statement/ImportFromNode.java

@@ -108,7 +108,7 @@ public void executeVoid(VirtualFrame frame) {
                     } else {
                         throw pe;
                     }
-                    String fullname = pkgname + "." + attr;
+                    String fullname = PString.cat(pkgname, ".", attr);
                     if (readModules == null) {
                         CompilerDirectives.transferToInterpreterAndInvalidate();
                         getItem = insert(GetItemNode.create());