deduplicate common parts of viz row building

src/df/core/df_core.c

@@ -5583,6 +5583,20 @@ df_parent_key_from_viz_block_list_row_num(DF_EvalVizBlockList *blocks, S64 row_n
   return key;
 }
 
+//- rjf: viz row list building
+
+internal DF_EvalVizRow *
+df_eval_viz_row_list_push_new(Arena *arena, DF_EvalVizWindowedRowList *rows, DF_EvalVizBlock *block, DF_ExpandKey key)
+{
+  DF_EvalVizRow *row = push_array(arena, DF_EvalVizRow, 1);
+  SLLQueuePush(rows->first, rows->last, row);
+  rows->count += 1;
+  row->depth      = block->depth;
+  row->parent_key = block->parent_key;
+  row->key        = key;
+  return row;
+}
+
 ////////////////////////////////
 //~ rjf: Main State Accessors/Mutators
 

src/df/core/df_core.h

@@ -778,6 +778,11 @@ struct DF_EvalVizRow
   DF_EvalVizRow *next;
   DF_EvalVizRowFlags flags;
   
+  // rjf: block info
+  S32 depth;
+  DF_ExpandKey parent_key;
+  DF_ExpandKey key;
+  
   // rjf: evaluation artifacts
   DF_Eval eval;
   
@@ -800,11 +805,6 @@ struct DF_EvalVizRow
   
   // rjf: errors
   EVAL_ErrorList errors;
-  
-  // rjf: tree depth & keys
-  S32 depth;
-  DF_ExpandKey parent_key;
-  DF_ExpandKey key;
 };
 
 typedef struct DF_EvalVizWindowedRowList DF_EvalVizWindowedRowList;
@@ -1590,6 +1590,10 @@ internal void df_eval_viz_block_list_concat__in_place(DF_EvalVizBlockList *dst,
 //- rjf: viz block list <-> table coordinates
 internal S64 df_row_num_from_viz_block_list_key(DF_EvalVizBlockList *blocks, DF_ExpandKey key);
 internal DF_ExpandKey df_key_from_viz_block_list_row_num(DF_EvalVizBlockList *blocks, S64 row_num);
+internal DF_ExpandKey df_parent_key_from_viz_block_list_row_num(DF_EvalVizBlockList *blocks, S64 row_num);
+
+//- rjf: viz row list building
+internal DF_EvalVizRow *df_eval_viz_row_list_push_new(Arena *arena, DF_EvalVizWindowedRowList *rows, DF_EvalVizBlock *block, DF_ExpandKey key);
 
 ////////////////////////////////
 //~ rjf: Main State Accessors/Mutators