fix(noclasspath): NPE in a scope usage.

Closes INRIA#574

src/main/java/spoon/support/compiler/jdt/JDTTreeBuilder.java

@@ -2742,7 +2742,7 @@ public boolean visit(FieldDeclaration fieldDeclaration, MethodScope scope) {
  field.setSimpleName(new String(fieldDeclaration.name));
  field.setModifiers(getModifiers(fieldDeclaration.modifiers));
 
- field.setDocComment(getJavaDoc(fieldDeclaration.javadoc, scope.referenceCompilationUnit()));
+ field.setDocComment(getJavaDoc(fieldDeclaration.javadoc, context.compilationunitdeclaration));
 
  if (fieldDeclaration.annotations != null) {
  int annotationsLength = fieldDeclaration.annotations.length;

src/test/java/spoon/test/reference/TypeReferenceTest.java

@@ -5,6 +5,7 @@
 import spoon.compiler.SpoonCompiler;
 import spoon.compiler.SpoonResource;
 import spoon.compiler.SpoonResourceHelper;
+import spoon.reflect.code.CtConstructorCall;
 import spoon.reflect.code.CtFieldRead;
 import spoon.reflect.code.CtInvocation;
 import spoon.reflect.code.CtNewClass;
@@ -446,6 +447,22 @@ public void testAnonymousClassesHaveAnEmptyStringForItsNameInNoClasspath() throw
  assertEquals(7, aClass.getReferencedTypes().size());
  }
 
+ @Test
+ public void testConstructorCallInNoClasspath() throws Exception {
+ final Launcher launcher = new Launcher();
+ launcher.addInputResource("./src/test/resources/noclasspath/Demo5.java");
+ launcher.setSourceOutputDirectory("./target/trash");
+ launcher.getEnvironment().setNoClasspath(true);
+ launcher.run();
+
+ final CtClass<Object> demo5 = launcher.getFactory().Class().get("Demo5");
+ final CtMethod<Object> foo = demo5.getMethod("foo");
+ final List<CtConstructorCall> elements = foo.getElements(new TypeFilter<>(CtConstructorCall.class));
+
+ assertEquals("A.B<C>", elements.get(0).getType().toString());
+ assertEquals("D", elements.get(1).getType().toString());
+ }
+
  @Test
  public void testShortTypeReference() throws Exception {
 

src/test/resources/noclasspath/Demo5.java

@@ -0,0 +1,7 @@
+public class Demo5 {
+ public void foo() {
+ A.B b = new A.B<C>() {
+ D d = new D();
+ };
+ }
+}