Use dot to separate struct from members.

opencl/gen_opencl_model.rb

@@ -88,7 +88,7 @@ event_lambda = lambda { |c, dir|
           meta_field["type"] = params[LTTng.expression(*lttng)]["type"]
         rescue #must be a struct member
           pname = LTTng.expression(*lttng).match(/(\w+) != NULL/)[1]
-          m = meta_structs[pname][fname.gsub(/\A#{pname}_/,"")]
+          m = meta_structs[pname][fname.gsub(/\A#{pname}\./,"")]
           meta_field["name"] = m.name
           meta_field["type"] = m.type
           meta_field["pointer"] = m.pointer? if m.pointer?

opencl/opencl_model.rb

@@ -210,7 +210,7 @@ end
 class Member < Declaration
   def initialize(command, member, prefix, dir = :start)
     super(member)
-    name = "#{prefix}_#{@name}"
+    name = "#{prefix}.#{@name}"
     expr = "#{prefix} != NULL ? #{prefix}->#{@name} : 0"
     @dir = dir
     @lttng_type = ["ctf_integer_hex", "intptr_t", name, "(intptr_t)(#{expr})"] if pointer?