#include "parser.h"
#include <ltt/event.h>
+/*****************************************************************************
+ *Function name
+ * ltt_event_refresh_fields : refresh fields of an event
+ *Input params
+ * offsetRoot : offset from the root
+ * offsetParent : offset from the parrent
+ * fld : field
+ * evD : event data
+ *Return value
+ * int : size of the field
+ ****************************************************************************/
+
+int ltt_event_refresh_fields(int offsetRoot,int offsetParent,
+ LttField * fld, void *evD)
+{
+ int size, size1, element_number, i, offset1, offset2;
+ LttType * type = fld->field_type;
+
+ if(type->type_class != LTT_STRUCT && type->type_class != LTT_ARRAY &&
+ type->type_class != LTT_SEQUENCE && type->type_class != LTT_STRING){
+ size = fld->field_size;
+ }else if(type->type_class == LTT_ARRAY){
+ element_number = (int) type->element_number;
+ if(fld->field_fixed == 0){// has string or sequence
+ size = 0;
+ for(i=0;i<element_number;i++){
+ size += ltt_event_refresh_fields(offsetRoot+size,size,
+ fld->child[0], evD+size);
+ }
+ }else size = fld->field_size;
+ }else if(type->type_class == LTT_SEQUENCE){
+ size1 = fld->sequ_number_size;
+ element_number = getIntNumber(size1,evD);
+ type->element_number = element_number;
+ if(fld->element_size > 0){
+ size = element_number * fld->element_size;
+ }else{//sequence has string or sequence
+ size = 0;
+ for(i=0;i<element_number;i++){
+ size += ltt_event_refresh_fields(offsetRoot+size+size1,size+size1,
+ fld->child[0], evD+size+size1);
+ }
+ size += size1;
+ }
+ }else if(type->type_class == LTT_STRING){
+ size = strlen((char*)evD) + 1; //include end : '\0'
+ }else if(type->type_class == LTT_STRUCT){
+ element_number = (int) type->element_number;
+ if(fld->field_fixed == 0){
+ offset1 = offsetRoot;
+ offset2 = 0;
+ for(i=0;i<element_number;i++){
+ size=ltt_event_refresh_fields(offset1,offset2,fld->child[i],evD+offset2);
+ offset1 += size;
+ offset2 += size;
+ }
+ size = offset2;
+ }else size = fld->field_size;
+ }
+
+ fld->offset_root = offsetRoot;
+ fld->offset_parent = offsetParent;
+ fld->fixed_root = (offsetRoot==-1) ? 0 : 1;
+ fld->fixed_parent = (offsetParent==-1) ? 0 : 1;
+ fld->field_size = size;
+
+ return size;
+}
+
/*****************************************************************************
*Function name
* ltt_event_eventtype_id: get event type id
LttField *ltt_event_field(LttEvent *e)
{
+ LttField * field;
LttEventType * event_type = ltt_event_eventtype(e);
if(!event_type) return NULL;
- return event_type->root_field;
+ field = event_type->root_field;
+
+ //check if the field need refresh
+ if(e->which_block != event_type->latest_block ||
+ e->which_event != event_type->latest_event){
+
+ event_type->latest_block = e->which_block;
+ event_type->latest_event = e->which_event;
+
+ if(field->field_fixed == 1)return field;
+
+ //refresh the field
+ ltt_event_refresh_fields(0, 0, field, e->data);
+ }
+ return field;
}
/*****************************************************************************
* to each event. This function returns the number of
* elements for an array or sequence field in an event.
*Input params
- * e : an instance of an event type ????
+ * e : an instance of an event type
* f : a field of the instance
*Return value
* unsigned : the number of elements for an array/sequence field
if(f->field_type->type_class != LTT_ARRAY &&
f->field_type->type_class != LTT_SEQUENCE)
return 0;
-
- return f->field_type->element_number;
+
+ if(f->field_type->type_class == LTT_ARRAY)
+ return f->field_type->element_number;
+ return (unsigned) getIntNumber(f->sequ_number_size, e + f->offset_root);
}
/*****************************************************************************
* : Set the currently selected element for a sequence or
* array field
*Input params
- * e : an instance of an event type ????
+ * e : an instance of an event type
* f : a field of the instance
* i : the ith element
****************************************************************************/
void ltt_event_field_element_select(LttEvent *e, LttField *f, unsigned i)
{
- if(f->field_type->type_class != LTT_ARRAY &&
+ unsigned element_number;
+ LttField *fld;
+ int k, size;
+ void *evD;
+
+ if(f->field_type->type_class != LTT_ARRAY &&
f->field_type->type_class != LTT_SEQUENCE)
- return ;
-
- if(f->field_type->element_number < i || i == 0) return;
+ return ;
+
+ element_number = ltt_event_field_element_number(e,f);
+ if((element_number-1) < i || i < 0) return;
+
+ fld = f->child[0];
+
+ evD = e->data + f->offset_root;
+ size = 0;
+ for(k=0;k<i;k++){
+ size += ltt_event_refresh_fields(f->offset_root+size,size, fld, evD+size);
+ }
- f->current_element = i - 1;
+ f->current_element = i - 1;
}
/*****************************************************************************
/*****************************************************************************
* The string obtained is only valid until the next read from
- * the same tracefile. ????
+ * the same tracefile.
****************************************************************************/
char *ltt_event_get_string(LttEvent *e, LttField *f)