Allow "meta" at member top of array of struct

iocBoot/iocimagedemo/image.db

@@ -74,3 +74,17 @@ record(mbbi, "$(N):ColorMode") {
         }
     })
 }
+
+record(bo, "$(N):extra") {
+    field(ZNAM, "foo")
+    field(ONAM, "bar")
+    info(Q:group, {
+        "$(N):Array":{
+            "attribute[1].value":{+type:"any",
+                                  +channel:"VAL",
+                                  +putorder:0,
+                                  +trigger:"attribute[1].value"},
+            "attribute[1]":{+type:"meta", +channel:"SEVR"}
+        }
+    })
+}

pdbApp/pdb.cpp

@@ -438,6 +438,9 @@ PDBProvider::PDBProvider(const epics::pvAccess::Configuration::const_shared_poin
                         else
                             builder = builder->addNestedStructure(parts[j].name);
                     }
+                    if(parts.back().isArray()) {
+                        builder = builder->addNestedStructureArray(parts.back().name);
+                    }
                 }
 
                 if(!mem.structID.empty())
@@ -457,7 +460,7 @@ PDBProvider::PDBProvider(const epics::pvAccess::Configuration::const_shared_poin
 
                 std::tr1::shared_ptr<PVIFBuilder> pvifbuilder(PVIFBuilder::create(mem.type, chan.chan));
 
-                if(!parts.empty())
+                if(!parts.empty() && !parts.back().isArray())
                     builder = pvifbuilder->dtype(builder, parts.back().name);
                 else
                     builder = pvifbuilder->dtype(builder, "");
@@ -465,6 +468,8 @@ PDBProvider::PDBProvider(const epics::pvAccess::Configuration::const_shared_poin
                 if(!parts.empty()) {
                     for(size_t j=0; j<parts.size()-1; j++)
                         builder = builder->endNested();
+                    if(parts.back().isArray())
+                        builder = builder->endNested();
                 }
 
                 if(!mem.pvname.empty()) {
@@ -744,8 +749,6 @@ FieldName::FieldName(const std::string& pv)
     }
     if(parts.empty())
         throw std::runtime_error("Empty field name");
-    if(parts.back().isArray())
-        throw std::runtime_error("leaf field may not have sub-script : "+pv);
 }
 
 epics::pvData::PVFieldPtr