diff options
Diffstat (limited to 'src/lombok/javac')
| -rw-r--r-- | src/lombok/javac/apt/Processor.java | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/src/lombok/javac/apt/Processor.java b/src/lombok/javac/apt/Processor.java index 2d2d06d3..0a5c2424 100644 --- a/src/lombok/javac/apt/Processor.java +++ b/src/lombok/javac/apt/Processor.java @@ -41,6 +41,7 @@ import lombok.javac.JavacAST; import lombok.javac.JavacASTAdapter; import lombok.javac.JavacAST.Node; +import com.sun.source.util.TreePath; import com.sun.source.util.Trees; import com.sun.tools.javac.processing.JavacProcessingEnvironment; import com.sun.tools.javac.tree.JCTree.JCAnnotation; @@ -86,7 +87,10 @@ public class Processor extends AbstractProcessor { IdentityHashMap<JCCompilationUnit, Void> units = new IdentityHashMap<JCCompilationUnit, Void>(); - for ( Element element : roundEnv.getRootElements() ) units.put(toUnit(element), null); + for ( Element element : roundEnv.getRootElements() ) { + JCCompilationUnit unit = toUnit(element); + if ( unit != null ) units.put(unit, null); + } List<JavacAST> asts = new ArrayList<JavacAST>(); @@ -143,6 +147,16 @@ public class Processor extends AbstractProcessor { } private JCCompilationUnit toUnit(Element element) { - return (JCCompilationUnit) trees.getPath(element).getCompilationUnit(); + TreePath path = trees.getPath(element); + if ( path != null ) return (JCCompilationUnit) path.getCompilationUnit(); + else { + if ( element == null ) { + processingEnv.getMessager().printMessage(Kind.WARNING, "LOMBOK DIAGNOSTIC: no TreePath returned for element, " + + "probably because element is null!"); + } + processingEnv.getMessager().printMessage(Kind.WARNING, "LOMBOK DIAGNOSTIC: no TreePath returned for element of type: " + + element.getClass() + "with toString: " + element); + return null; + } } } |