Optimized batch edits remeasurement

4ed_app_target.cpp

@@ -68,6 +68,7 @@
 #include "4coder_app_links_allocator.cpp"
 #include "4coder_system_allocator.cpp"
 #include "4coder_profile.cpp"
+#include "4coder_profile_static_enable.cpp"
 #include "4coder_hash_functions.cpp"
 #include "4coder_table.cpp"
 #include "4coder_log.cpp"

4ed_buffer.cpp

@@ -424,6 +424,7 @@ buffer_eol_convert_out(Arena *arena, Gap_Buffer *buffer, Interval_i64 range){
     return(SCu8(memory, ptr));
 }
 
+#if 0
 internal i64
 buffer_count_newlines(Arena *scratch, Gap_Buffer *buffer, i64 start, i64 end){
     Temp_Memory temp = begin_temp(scratch);
@@ -447,6 +448,7 @@ buffer_count_newlines(Arena *scratch, Gap_Buffer *buffer, i64 start, i64 end){
     
     return(count);
 }
+#endif
 
 internal void
 buffer_starts__ensure_max_size(Gap_Buffer *buffer, i64 max_size){
@@ -491,15 +493,172 @@ buffer_measure_starts(Arena *scratch, Gap_Buffer *buffer){
     end_temp(temp);
 }
 
+internal i64
+buffer_get_line_index(Gap_Buffer *buffer, i64 pos){
+    i64 i = 0;
+    if (buffer->line_start_count > 2){
+        i64 start = 0;
+        i64 one_past_last = buffer->line_start_count - 1;
+        i64 *array = buffer->line_starts;
+        pos = clamp_bot(0, pos);
+        for (;;){
+            i = (start + one_past_last) >> 1;
+            if (array[i] < pos){
+                start = i;
+            }
+            else if (array[i] > pos){
+                one_past_last = i;
+            }
+            else{
+                break;
+            }
+            if (start + 1 >= one_past_last){
+                i = start;
+                break;
+            }
+        }
+    }
+    return(i);
+}
+
+Line_Move*
+push_line_move(Arena *arena, Line_Move *moves, i64 new_line_first,
+               i64 old_line_first, i64 old_line_opl, i64 text_shift){
+    Line_Move *move = push_array(arena, Line_Move, 1);
+    move->next = moves;
+    move->kind = LineMove_ShiftOldValues;
+    move->new_line_first = new_line_first;
+    move->old_line_first = old_line_first;
+    move->old_line_opl = old_line_opl;
+    move->text_shift = text_shift;
+    return(move);
+}
+
+Line_Move*
+push_line_move(Arena *arena, Line_Move *moves, i64 new_line_first,
+               String_Const_u8 string, i64 text_base){
+    Line_Move *move = push_array(arena, Line_Move, 1);
+    move->next = moves;
+    move->kind = LineMove_MeasureString;
+    move->new_line_first = new_line_first;
+    move->string = string;
+    move->text_base = text_base;
+    return(move);
+}
+
+function i64
+count_lines(String_Const_u8 string){
+    i64 result = 0;
+    for (umem i = 0; i < string.size; i += 1){
+        if (string.str[i] == '\n'){
+            result += 1;
+        }
+    }
+    return(result);
+}
+
+function void
+fill_line_starts(i64 *lines_starts, String_Const_u8 string, i64 text_base){
+    i64 *ptr = lines_starts;
+    for (umem i = 0; i < string.size; i += 1){
+        if (string.str[i] == '\n'){
+            *ptr = text_base + i + 1;
+            ptr += 1;
+        }
+    }
+}
+
+function void
+buffer_remeasure_starts(Thread_Context *tctx, Gap_Buffer *buffer, Batch_Edit *batch){
+    Scratch_Block scratch(tctx);
+    
+    i64 line_start_count = buffer_line_count(buffer) + 1;
+    
+    Line_Move *moves = 0;
+    i64 current_line = 0;
+    i64 text_shift = 0;
+    i64 line_shift = 0;
+    for (Batch_Edit *node = batch;
+         node != 0;
+         node = node->next){
+        i64 first_line = buffer_get_line_index(buffer, node->edit.range.first);
+        i64 opl_line = buffer_get_line_index(buffer, node->edit.range.one_past_last);
+        i64 new_line_count = count_lines(node->edit.text);
+        i64 deleted_line_count = opl_line - first_line;
+        
+        Assert(first_line <= opl_line);
+        Assert(opl_line <= line_start_count);
+        
+        if (current_line <= first_line &&
+            (text_shift != 0 || line_shift != 0)){
+            moves = push_line_move(scratch, moves, current_line + line_shift,
+                                   current_line, first_line + 1, text_shift);
+        }
+        
+        if (new_line_count != 0){
+            moves = push_line_move(scratch, moves, first_line + 1 + line_shift,
+                                   node->edit.text, node->edit.range.first + text_shift);
+        }
+        
+        text_shift += node->edit.text.size - range_size(node->edit.range);
+        line_shift += new_line_count - deleted_line_count;
+        current_line = opl_line + 1;
+    }
+    
+    moves = push_line_move(scratch, moves, current_line + line_shift,
+                           current_line, line_start_count, text_shift);
+    line_start_count = line_start_count + line_shift;
+    
+    buffer_starts__ensure_max_size(buffer, line_start_count + 1);
+    buffer->line_start_count = line_start_count;
+    
+    i64 *array = buffer->line_starts;
+    
+    for (Line_Move *node = moves;
+         node != 0;
+         node = node->next){
+        if (node->kind == LineMove_ShiftOldValues){
+            i64 line_index_shift = node->new_line_first - node->old_line_first;
+            i64 move_text_shift = node->text_shift;
+            if (line_index_shift > 0){
+                for (i64 i = node->old_line_opl - 1;
+                     i >= node->old_line_first;
+                     i -= 1){
+                    array[i + line_index_shift] = array[i] + move_text_shift;
+                }
+            }
+            else{
+                for (i64 i = node->old_line_first;
+                     i < node->old_line_opl;
+                     i += 1){
+                    array[i + line_index_shift] = array[i] + move_text_shift;
+                }
+            }
+        }
+    }
+    
+    for (Line_Move *node = moves;
+         node != 0;
+         node = node->next){
+        if (node->kind == LineMove_MeasureString){
+            fill_line_starts(array + node->new_line_first, node->string, node->text_base);
+        }
+    }
+}
+
+#if 0
 internal void
-buffer_remeasure_starts(Arena *scratch, Gap_Buffer *buffer, Interval_i64 old_line_indexes, i64 line_shift, i64 text_shift){
+buffer_remeasure_starts(Arena *scratch, Gap_Buffer *buffer,
+                        Range_i64 old_line_indexes, i64 line_shift, i64 text_shift){
     Temp_Memory temp = begin_temp(scratch);
     buffer_starts__ensure_max_size(buffer, buffer->line_start_count + line_shift);
     
     i64 new_line_indexes_opl = old_line_indexes.one_past_last + line_shift;
     i64 old_line_start_count = buffer->line_start_count;
     i64 *line_start_ptr = buffer->line_starts + old_line_indexes.one_past_last;
-    for (i64 i = old_line_indexes.one_past_last; i < old_line_start_count; i += 1, line_start_ptr += 1){
+    for (i64 i = old_line_indexes.one_past_last;
+         i < old_line_start_count;
+         i += 1, line_start_ptr += 1){
         *line_start_ptr += text_shift;
     }
     block_copy_dynamic_array(buffer->line_starts + new_line_indexes_opl,
@@ -532,34 +691,7 @@ buffer_remeasure_starts(Arena *scratch, Gap_Buffer *buffer, Interval_i64 old_lin
     buffer->line_start_count += line_shift;
     end_temp(temp);
 }
-
+#endif
-internal i64
-buffer_get_line_index(Gap_Buffer *buffer, i64 pos){
-    i64 i = 0;
-    if (buffer->line_start_count > 2){
-        i64 start = 0;
-        i64 one_past_last = buffer->line_start_count - 1;
-        i64 *array = buffer->line_starts;
-        pos = clamp_bot(0, pos);
-        for (;;){
-            i = (start + one_past_last) >> 1;
-            if (array[i] < pos){
-                start = i;
-            }
-            else if (array[i] > pos){
-                one_past_last = i;
-            }
-            else{
-                break;
-            }
-            if (start + 1 >= one_past_last){
-                i = start;
-                break;
-            }
-        }
-    }
-    return(i);
-}
 
 internal Interval_i64
 buffer_get_pos_range_from_line_number(Gap_Buffer *buffer, i64 line_number){

4ed_buffer.h

@@ -41,6 +41,28 @@ struct Buffer_Chunk_Position{
     i64 chunk_index;
 };
 
+typedef i32 Line_Move_Kind;
+enum{
+    LineMove_ShiftOldValues,
+    LineMove_MeasureString,
+};
+struct Line_Move{
+    Line_Move *next;
+    Line_Move_Kind kind;
+    i64 new_line_first;
+    union{
+        struct{
+            i64 old_line_first;
+            i64 old_line_opl;
+            i64 text_shift;
+        };
+        struct{
+            String_Const_u8 string;
+            i64 text_base;
+        };
+    };
+};
+
 typedef u32 Buffer_Layout_Flag;
 enum{
     BRFlag_Special_Character = (1 << 0),

4ed_edit.cpp

@@ -225,33 +225,20 @@ edit__apply(Thread_Context *tctx, Models *models, Editing_File *file,
     Assert(edit.range.first <= edit.range.one_past_last);
     Assert(edit.range.one_past_last <= buffer_size(buffer));
     
-    Scratch_Block scratch(tctx, Scratch_Share);
-    
     // NOTE(allen): history update
     if (!behaviors.do_not_post_to_history){
+        ProfileTLBlock(tctx, &models->profile_list, "edit apply history");
         history_record_edit(&models->global_history, &file->state.history, buffer,
                             edit);
         file->state.current_record_index =
             history_get_record_count(&file->state.history);
     }
     
-    // NOTE(allen): compute shift
+    {
+        ProfileTLBlock(tctx, &models->profile_list, "edit apply replace range");
         i64 shift_amount = replace_range_shift(edit.range, (i64)edit.text.size);
-    
-    // NOTE(allen): actual text replacement
         buffer_replace_range(buffer, edit.range, edit.text, shift_amount);
-    
+    }
-    // NOTE(allen): line meta data
-    i64 line_start = buffer_get_line_index(buffer, edit.range.first);
-    i64 line_end = buffer_get_line_index(buffer, edit.range.one_past_last);
-    i64 replaced_line_count = line_end - line_start;
-    i64 new_line_count = buffer_count_newlines(scratch, buffer, edit.range.first,
-                                               edit.range.first + edit.text.size);
-    i64 line_shift =  new_line_count - replaced_line_count;
-    
-    file_clear_layout_cache(file);
-    buffer_remeasure_starts(scratch, buffer, Ii64(line_start, line_end + 1),
-                            line_shift, shift_amount);
 }
 
 internal void
@@ -262,11 +249,14 @@ edit_single(Thread_Context *tctx, Models *models, Editing_File *file,
     
     edit__apply(tctx, models, file, range, string, behaviors);
     
+    file_clear_layout_cache(file);
+    
     Batch_Edit batch = {};
     batch.edit.text = string;
     batch.edit.range = range;
-    edit_fix_markers(tctx, models, file, &batch);
     
+    buffer_remeasure_starts(tctx, &file->state.buffer, &batch);
+    edit_fix_markers(tctx, models, file, &batch);
     post_edit_call_hook(tctx, models, file,
                         Ii64_size(range.first, string.size), range_size(range));
 }
@@ -413,8 +403,6 @@ edit_merge_history_range(Thread_Context *tctx, Models *models, Editing_File *fil
     return(result);
 }
 
-#include "4coder_profile_static_enable.cpp"
-
 function b32
 edit_batch_check(Thread_Context *tctx, Profile_Global_List *list, Batch_Edit *batch){
     ProfileTLScope(tctx, list, "batch check");
@@ -453,7 +441,10 @@ edit_batch(Thread_Context *tctx, Models *models, Editing_File *file,
             Range_i64 old_range = Ii64_neg_inf;
             Range_i64 new_range = Ii64_neg_inf;
             
-            ProfileTLBlockNamed(tctx, &models->profile_list, "batch text edits", profile_edits);
+            Gap_Buffer *buffer = &file->state.buffer;
+            
+            ProfileTLBlockNamed(tctx, &models->profile_list, "batch text edits",
+                                profile_edits);
             i32 batch_count = 0;
             i64 shift = 0;
             for (Batch_Edit *edit = batch;
@@ -472,7 +463,7 @@ edit_batch(Thread_Context *tctx, Models *models, Editing_File *file,
                 i64 new_max = (i64)(edit_range.min + insert_string.size); 
                 new_range.max = max(new_range.max, new_max);
                 
-                i64 size = buffer_size(&file->state.buffer);
+                i64 size = buffer_size(buffer);
                 if (0 <= edit_range.first &&
                     edit_range.first <= edit_range.one_past_last &&
                     edit_range.one_past_last <= size){
@@ -497,6 +488,9 @@ edit_batch(Thread_Context *tctx, Models *models, Editing_File *file,
                 }
             }
             
+            file_clear_layout_cache(file);
+            
+            buffer_remeasure_starts(tctx, buffer, batch);
             edit_fix_markers(tctx, models, file, batch);
             
             post_edit_call_hook(tctx, models, file, new_range, range_size(old_range));
@@ -506,8 +500,6 @@ edit_batch(Thread_Context *tctx, Models *models, Editing_File *file,
     return(result);
 }
 
-#include "4coder_profile_static_disable.cpp"
-
 ////////////////////////////////
 
 internal Editing_File*

custom/4coder_lister_base.cpp

@@ -637,9 +637,19 @@ run_lister(Application_Links *app, Lister *lister){
         if (!handled){
             Mapping *mapping = lister->mapping;
             Command_Map *map = lister->map;
-            if (ui_fallback_command_dispatch(app, view, mapping, map, &in)){
+            
+            Fallback_Dispatch_Result disp_result =
+                fallback_command_dispatch(app, mapping, map, &in);
+            if (disp_result.code == FallbackDispatch_DelayedUICall){
+                call_after_ctx_shutdown(app, view, disp_result.func);
                 break;
             }
+            if (disp_result.code == FallbackDispatch_Unhandled){
+                leave_current_input_unhandled(app);
+            }
+            else{
+                lister_call_refresh_handler(app, lister);
+            }
         }
     }
     

custom/4coder_profile_inspect.cpp

@@ -469,6 +469,9 @@ profile_draw_node(Application_Links *app, View_ID view, Face_ID face_id,
             draw_rectangle_outline(app, box, 6.f, 3.f, margin);
             
             y_pos = y.max;
+            if (y_pos >= info_box.y1){
+                break;
+            }
         }
     }
 }

custom/generated/command_metadata.h

@@ -445,7 +445,7 @@ static Command_Metadata fcoder_metacmd_table[213] = {
 { PROC_LINKS(miblo_decrement_time_stamp, 0), false, "miblo_decrement_time_stamp", 26, "Decrement a time stamp under the cursor by one second. (format [m]m:ss or h:mm:ss", 81, "w:\\4ed\\code\\custom\\4coder_miblo_numbers.cpp", 43, 237 },
 { PROC_LINKS(miblo_increment_time_stamp_minute, 0), false, "miblo_increment_time_stamp_minute", 33, "Increment a time stamp under the cursor by one minute. (format [m]m:ss or h:mm:ss", 81, "w:\\4ed\\code\\custom\\4coder_miblo_numbers.cpp", 43, 243 },
 { PROC_LINKS(miblo_decrement_time_stamp_minute, 0), false, "miblo_decrement_time_stamp_minute", 33, "Decrement a time stamp under the cursor by one minute. (format [m]m:ss or h:mm:ss", 81, "w:\\4ed\\code\\custom\\4coder_miblo_numbers.cpp", 43, 249 },
-{ PROC_LINKS(profile_inspect, 0), true, "profile_inspect", 15, "Inspect all currently collected profiling information in 4coder's self profiler.", 80, "w:\\4ed\\code\\custom\\4coder_profile_inspect.cpp", 45, 776 },
+{ PROC_LINKS(profile_inspect, 0), true, "profile_inspect", 15, "Inspect all currently collected profiling information in 4coder's self profiler.", 80, "w:\\4ed\\code\\custom\\4coder_profile_inspect.cpp", 45, 779 },
 { PROC_LINKS(default_startup, 0), false, "default_startup", 15, "Default command for responding to a startup event", 49, "w:\\4ed\\code\\custom\\4coder_default_hooks.cpp", 43, 7 },
 { PROC_LINKS(default_try_exit, 0), false, "default_try_exit", 16, "Default command for responding to a try-exit event", 50, "w:\\4ed\\code\\custom\\4coder_default_hooks.cpp", 43, 22 },
 };