CalleeContext node is not printed in the golden files.

Author: ppisl

graalpython/com.oracle.graal.python.test/src/com/oracle/graal/python/test/parser/ParserTestSuite.java

@@ -73,6 +73,7 @@
 import com.oracle.graal.python.nodes.statement.ImportFromNode;
 import com.oracle.graal.python.nodes.statement.ImportNode;
 import com.oracle.graal.python.parser.ExecutionCellSlots;
+import com.oracle.graal.python.runtime.ExecutionContext;
 import com.oracle.truffle.api.frame.FrameDescriptor;
 import com.oracle.truffle.api.frame.FrameSlot;
 import com.oracle.truffle.api.nodes.Node;
@@ -556,6 +557,10 @@ public boolean visit(Node node) {
             visitChildren(node);
             return false;
         }
+        if (node instanceof ExecutionContext.CalleeContext) {
+            // these nodes shouldn't be printed in the result.
+            return false;
+        }
         if (sb.length() > 0 && sb.charAt(sb.length() - 1) == '\n') {
             indent(level);
         }

graalpython/com.oracle.graal.python.test/src/com/oracle/graal/python/test/parser/ParserTreePrinter.java

@@ -12,5 +12,4 @@ ModuleRootNode Name: <module 'assignment01'> SourceSection: [0,5]`a = 1`
         WriteNameNodeGen SourceSection: [0,5]`a = 1`
           Identifier: a
           IntegerLiteralNode SourceSection: [4,5]`1`
-            Value: 1
-  CalleeContext SourceSection: None
+            Value: 1

graalpython/com.oracle.graal.python.test/src/com/oracle/graal/python/test/parser/PerformanceTests.statistics.txt

@@ -22,5 +22,4 @@ ModuleRootNode Name: <module 'assignment02'> SourceSection: [0,9]`a = b = 1`
         ReadLocalVariableNode SourceSection: None
           Frame: [0,<>temp0,Illegal]
           ReadVariableFromFrameNodeGen SourceSection: None
-      EmptyNode SourceSection: None
-  CalleeContext SourceSection: None
+      EmptyNode SourceSection: None

graalpython/com.oracle.graal.python.test/testData/goldenFiles/AssignmentTests/assignment01.tast

@@ -31,5 +31,4 @@ ModuleRootNode Name: <module 'assignment03'> SourceSection: [0,25]`a = 0↵b = a
                 ReadNameNodeGen SourceSection: [20,21]`a`
                   Identifier: a
               ReadNameNodeGen SourceSection: [24,25]`b`
-                Identifier: b
-  CalleeContext SourceSection: None
+                Identifier: b

graalpython/com.oracle.graal.python.test/testData/goldenFiles/AssignmentTests/assignment02.tast

@@ -32,5 +32,4 @@ ModuleRootNode Name: <module 'assignment04'> SourceSection: [0,17]`a = b = c = d
         ReadLocalVariableNode SourceSection: None
           Frame: [0,<>temp0,Illegal]
           ReadVariableFromFrameNodeGen SourceSection: None
-      EmptyNode SourceSection: None
-  CalleeContext SourceSection: None
+      EmptyNode SourceSection: None

graalpython/com.oracle.graal.python.test/testData/goldenFiles/AssignmentTests/assignment03.tast

@@ -44,5 +44,4 @@ ModuleRootNode Name: <module 'assignment05'> SourceSection: [0,17]`a, b, c = 1,
             Identifier: c
             ReadLocalVariableNode SourceSection: None
               Frame: [2,<>temp2,Illegal]
-              ReadVariableFromFrameNodeGen SourceSection: None
-  CalleeContext SourceSection: None
+              ReadVariableFromFrameNodeGen SourceSection: None

graalpython/com.oracle.graal.python.test/testData/goldenFiles/AssignmentTests/assignment04.tast

@@ -71,6 +71,4 @@ ModuleRootNode Name: <module 'assignment06'> SourceSection: [0,29]`def fn():↵
                           ReadVariableFromFrameNodeGen SourceSection: None
                   Return Expresssion: ReadLocalVariableNode SourceSection: None
                     Frame: [5,<return_val>,Illegal]
-                    ReadVariableFromFrameNodeGen SourceSection: None
-              CalleeContext SourceSection: None
-  CalleeContext SourceSection: None
+                    ReadVariableFromFrameNodeGen SourceSection: None

graalpython/com.oracle.graal.python.test/testData/goldenFiles/AssignmentTests/assignment05.tast

@@ -77,6 +77,4 @@ ModuleRootNode Name: <module 'assignment07'> SourceSection: [0,29]`def fn():↵
                           ReadVariableFromFrameNodeGen SourceSection: None
                   Return Expresssion: ReadLocalVariableNode SourceSection: None
                     Frame: [6,<return_val>,Illegal]
-                    ReadVariableFromFrameNodeGen SourceSection: None
-              CalleeContext SourceSection: None
-  CalleeContext SourceSection: None
+                    ReadVariableFromFrameNodeGen SourceSection: None