# HG changeset patch
# User Christian Humer <christian.humer@gmail.com>
# Date 1377877216 -7200
# Node ID 578fc20b93803d95c198662da0229c097c22f317
# Parent  2aac62d79af4a1b824130795a0099ddd32a9fb34
Truffle-DSL: fixed NPE if wrong invalid child type is declared.

diff -r 2aac62d79af4 -r 578fc20b9380 graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/node/NodeParser.java
--- a/graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/node/NodeParser.java	Fri Aug 30 17:31:59 2013 +0200
+++ b/graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/node/NodeParser.java	Fri Aug 30 17:40:16 2013 +0200
@@ -396,11 +396,13 @@
                 nodeChild.addError("The @%s of the node and the @%s of the @%s does not match. %s != %s. ", TypeSystem.class.getSimpleName(), TypeSystem.class.getSimpleName(),
                                 NodeChild.class.getSimpleName(), Utils.getSimpleName(node.getTypeSystem().getTemplateType()), Utils.getSimpleName(fieldNodeData.getTypeSystem().getTemplateType()));
             }
-            List<ExecutableTypeData> types = nodeChild.findGenericExecutableTypes(context);
-            if (types.isEmpty()) {
-                AnnotationValue executeWithValue = Utils.getAnnotationValue(nodeChild.getMessageAnnotation(), "executeWith");
-                nodeChild.addError(executeWithValue, "No generic execute method found with %s evaluated arguments for node type %s.", nodeChild.getExecuteWith().size(),
-                                Utils.getSimpleName(nodeChild.getNodeType()));
+            if (fieldNodeData != null) {
+                List<ExecutableTypeData> types = nodeChild.findGenericExecutableTypes(context);
+                if (types.isEmpty()) {
+                    AnnotationValue executeWithValue = Utils.getAnnotationValue(nodeChild.getMessageAnnotation(), "executeWith");
+                    nodeChild.addError(executeWithValue, "No generic execute method found with %s evaluated arguments for node type %s.", nodeChild.getExecuteWith().size(),
+                                    Utils.getSimpleName(nodeChild.getNodeType()));
+                }
             }
         }
     }