Add support for unions in events.

[lttv.git] / ltt / branches / poly / include / ltt / type.h

diff --git a/ltt/branches/poly/include/ltt/type.h b/ltt/branches/poly/include/ltt/type.h
index 822e2c3445185178e9b56bb160a6c67a4180b1df..dd53c09656ab205914eecf827afb8d323ceb75ea 100644 (file)
--- a/ltt/branches/poly/include/ltt/type.h
+++ b/ltt/branches/poly/include/ltt/type.h
@@ -3,52 +3,71 @@
 
 #include <ltt/ltt.h>
 
-/* All event types and data types belong to their facilities and 
-   are released at the same time. All fields belong to their tracefile and
+
+/* Different types allowed */
+
+typedef enum _LttTypeEnum 
+{ LTT_INT, LTT_UINT, LTT_FLOAT, LTT_STRING, LTT_ENUM, LTT_ARRAY, 
+  LTT_SEQUENCE, LTT_STRUCT, LTT_UNION
+} LttTypeEnum;
+
+
+/* All event types, data types and fields belong to their trace and 
    are released at the same time. */
 
-char *ltt_eventtype_name(ltt_eventtype *et);
+/* Obtain the name, description, facility, facility relative id, global id, 
+   type and root field for an eventtype */
+
+char *ltt_eventtype_name(LttEventType *et);
+
+char *ltt_eventtype_description(LttEventType *et);
+
+LttFacility *ltt_eventtype_facility(LttEventType *et);
+
+unsigned *ltt_eventtype_relative_id(LttEventType *et);
+
+unsigned *ltt_eventtype_id(LttEventType *et);
 
-char *ltt_eventtype_description(ltt_eventtype *et);
+LttType *ltt_eventtype_type(LttEventType *et);
 
-ltt_type *ltt_eventtype_type(ltt_eventtype *et);
+LttField *ltt_eventtype_field(LttEventType *et);
 
 
 /* obtain the type name and size. The size is the number of bytes for
    primitive types (INT, UINT, FLOAT, ENUM), or the size for the unsigned
    integer length count for sequences. */
  
-char *ltt_type_name(ltt_type *t);
+char *ltt_type_name(LttType *t);
 
-ltt_type_enum ltt_type_class(ltt_type *t);
+LttTypeEnum ltt_type_class(LttType *t);
 
-unsigned ltt_type_size(ltt_tracefile * tf, ltt_type *t); 
+unsigned ltt_type_size(LttTracefile *tf, LttType *t); 
 
 
 /* The type of nested elements for arrays and sequences. */
 
-ltt_type *ltt_type_element_type(ltt_type *t);
+LttType *ltt_type_element_type(LttType *t);
 
 
 /* The number of elements for arrays. */
 
-unsigned ltt_type_element_number(ltt_type *t);
+unsigned ltt_type_element_number(LttType *t);
 
 
-/* The number of data members for structures. */
+/* The number of data members for structures and unions. */
 
-unsigned ltt_type_member_number(ltt_type *t);
+unsigned ltt_type_member_number(LttType *t);
 
 
 /* The type of a data member in a structure. */
 
-ltt_type *ltt_type_member_type(ltt_type *t, unsigned i);
+LttType *ltt_type_member_type(LttType *t, unsigned i);
 
 
 /* For enumerations, obtain the symbolic string associated with a value
    (0 to n - 1 for an enumeration of n elements). */
 
-char *ltt_enum_string_get(ltt_type *t, unsigned i);
+char *ltt_enum_string_get(LttType *t, unsigned i);
 
 
 /* The fields form a tree representing a depth first search of the 
@@ -56,13 +75,13 @@ char *ltt_enum_string_get(ltt_type *t, unsigned i);
    sequences simply point to one nested field representing the currently
    selected element among all the (identically typed) elements. For structures,
    a nested field exists for each data member. Each field stores the
-   platform/tracefile specific offset values (for efficient access) and
-   points back to the corresponding ltt_type for the rest. */
+   platform/trace specific offset values (for efficient access) and
+   points back to the corresponding LttType for the rest. */
 
-ltt_field *ltt_field_element(ltt_field *f);
+LttField *ltt_field_element(LttField *f);
 
-ltt_field *ltt_field_member(ltt_field *f, unsigned i);
+LttField *ltt_field_member(LttField *f, unsigned i);
 
-ltt_type *ltt_field_type(ltt_field *f);
+LttType *ltt_field_type(LttField *f);
 
 #endif // TYPE_H