MarshalModuleBuiltins: code marshalling use interned strings for filename

Author: cosminbasca

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/modules/ImpModuleBuiltins.java

@@ -82,6 +82,7 @@
 import com.oracle.graal.python.nodes.function.PythonBuiltinNode;
 import com.oracle.graal.python.nodes.function.builtins.PythonBinaryBuiltinNode;
 import com.oracle.graal.python.nodes.statement.ExceptionHandlingStatementNode;
+import com.oracle.graal.python.nodes.util.CastToJavaStringNode;
 import com.oracle.graal.python.parser.sst.SerializationUtils;
 import com.oracle.graal.python.runtime.ExecutionContext.ForeignCallContext;
 import com.oracle.graal.python.runtime.PythonContext;
@@ -94,6 +95,7 @@
 import com.oracle.truffle.api.TruffleFile;
 import com.oracle.truffle.api.TruffleLanguage.Env;
 import com.oracle.truffle.api.TruffleLogger;
+import com.oracle.truffle.api.dsl.Cached;
 import com.oracle.truffle.api.dsl.CachedContext;
 import com.oracle.truffle.api.dsl.GenerateNodeFactory;
 import com.oracle.truffle.api.dsl.NodeFactory;
@@ -533,8 +535,9 @@ PBytes run(PInt magicNumber, PBytesLike source) {
     @GenerateNodeFactory
     public abstract static class FixCoFilename extends PythonBinaryBuiltinNode {
         @Specialization
-        public Object run(PCode code, PString path) {
-            code.setFilename(path.getValue());
+        public Object run(PCode code, PString path,
+                        @Cached CastToJavaStringNode castToJavaStringNode) {
+            code.setFilename(castToJavaStringNode.execute(path));
             return PNone.NONE;
         }
 

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/modules/MarshalModuleBuiltins.java

@@ -646,7 +646,7 @@ private PComplex readPComplex() {
 
         private PCode readCode(int depth, HashingStorageLibrary lib) {
             String sourceCode = readString();
-            String fileName = readString();
+            String fileName = readInternedString();
             String name = readString();
             int nLocals = readInt();
             int stackSize = readInt();