From 7d081dd7f5534a50af3aeaa45b1241eec9aa03cb Mon Sep 17 00:00:00 2001
From: Allen Webster <editor@4coder.net>
Date: Mon, 19 Sep 2016 15:50:43 -0400
Subject: [PATCH] removed the completely unused backify loop system

---
 buffer/4coder_buffer_abstract.cpp |  1 -
 buffer/4coder_gap_buffer.cpp      | 84 -------------------------------
 2 files changed, 85 deletions(-)

diff --git a/buffer/4coder_buffer_abstract.cpp b/buffer/4coder_buffer_abstract.cpp
index 16b79e25..22e14af6 100644
--- a/buffer/4coder_buffer_abstract.cpp
+++ b/buffer/4coder_buffer_abstract.cpp
@@ -12,7 +12,6 @@
 
 #define Buffer_Init_Type cat_4tech(Buffer_Type, _Init)
 #define Buffer_Stringify_Type cat_4tech(Buffer_Type, _Stringify_Loop)
-#define Buffer_Backify_Type cat_4tech(Buffer_Type, _Backify_Loop)
 
 inline_4tech void
 buffer_stringify(Buffer_Type *buffer, i32 start, i32 end, char *out){
diff --git a/buffer/4coder_gap_buffer.cpp b/buffer/4coder_gap_buffer.cpp
index 10c847a7..d795e191 100644
--- a/buffer/4coder_gap_buffer.cpp
+++ b/buffer/4coder_gap_buffer.cpp
@@ -177,90 +177,6 @@ buffer_stringify_next(Gap_Buffer_Stringify_Loop *loop){
     loop->data = loop->base + loop->pos;
 }
 
-typedef struct Gap_Buffer_Backify_Loop{
-    Gap_Buffer *buffer;
-    char *data, *base;
-    i32 pos, end;
-    i32 size;
-    i32 absolute_pos;
-    i32 separated;
-} Gap_Buffer_Backify_Loop;
-
-internal_4tech Gap_Buffer_Backify_Loop
-buffer_backify_loop(Gap_Buffer *buffer, i32 start, i32 end){
-    Gap_Buffer_Backify_Loop result = {0};
-    
-    ++start;
-    if (0 <= end && end < start && start <= buffer->size1 + buffer->size2){
-        result.buffer = buffer;
-        result.base = buffer->data;
-        
-        if (end < buffer->size1){
-            result.end = end;
-        }
-        else{
-            result.end = end + buffer->gap_size;
-        }
-        
-        if (start <= buffer->size1){
-            result.separated = 0;
-            result.pos = 0;
-        }
-        else{
-            if (end < buffer->size1){
-                result.separated = 1;
-            }
-            else{
-                result.separated = 0;
-            }
-            result.pos = buffer->size1 + buffer->gap_size;
-        }
-        
-        if (!result.separated && result.pos < result.end){
-            result.pos = result.end;
-        }
-        
-        result.size = start - result.pos;
-        result.absolute_pos = result.pos;
-        if (result.absolute_pos > buffer->size1){
-            result.absolute_pos -= buffer->gap_size;
-        }
-        result.data = result.base + result.pos;
-    }
-    
-    return(result);
-}
-
-inline_4tech i32
-buffer_backify_good(Gap_Buffer_Backify_Loop *loop){
-    i32 result = (loop->buffer != 0);
-    return(result);
-}
-
-internal_4tech void
-buffer_backify_next(Gap_Buffer_Backify_Loop *loop){
-    Gap_Buffer *buffer = loop->buffer;
-    i32 temp_end = 0;
-    
-    if (loop->separated){
-        loop->separated = 0;
-        temp_end = buffer->size1;
-        loop->pos = 0;
-        loop->absolute_pos = 0;
-        if (loop->pos < loop->end){
-            loop->absolute_pos = loop->end;
-            loop->pos = loop->end;
-        }
-    }
-    else{
-        temp_end = 0;
-        loop->buffer = 0;
-    }
-    
-    loop->size = temp_end - loop->pos;
-    loop->data = loop->base + loop->pos;
-}
-
 internal_4tech i32
 buffer_replace_range(Gap_Buffer *buffer, i32 start, i32 end, char *str, i32 len, i32 *shift_amount,
                      void *scratch, i32 scratch_memory, i32 *request_amount){