Ensure QuoteNodes contain requested data type

Author: jmert

src/api_types.jl

@@ -253,8 +253,8 @@ end
 # Dataspace constants
 @defconstants H5S begin
     # atomic data types
-    ALL::hid_t       = 0
-    UNLIMITED::hid_t = typemax(hsize_t)
+    ALL::hsize_t       = 0
+    UNLIMITED::hsize_t = typemax(hsize_t)
 
     # Types of dataspaces (C enum H5S_class_t)
     SCALAR::hid_t    = hid_t(0)

src/macros.jl

@@ -64,8 +64,12 @@ macro defconstants(prefix::Symbol, expr::Expr)
         # Save type for later use
         push!(imports, type)
 
-        value = isruntime ? esc(:(Ref{$type}())) :
-                            QuoteNode(Core.eval(__module__, line.args[2]))
+        if isruntime
+            value = esc(:(Ref{$type}()))
+        else
+            valexpr = :(convert($type, $(line.args[2])))
+            value = QuoteNode(Core.eval(__module__, valexpr))
+        end
         fullname = esc(:($innermod.$name))
         getexpr = isruntime ? :($(fullname)[]) : fullname