Rough version of virtual whitespace up and running

4ed.cpp

@@ -264,9 +264,7 @@ models_init(void){
 }
 
 internal void
-app_load_vtables(API_VTable_system *vtable_system,
+app_load_vtables(API_VTable_system *vtable_system, API_VTable_font *vtable_font, API_VTable_graphics *vtable_graphics){
-                 API_VTable_font *vtable_font,
-                 API_VTable_graphics *vtable_graphics){
     system_api_read_vtable(vtable_system);
     font_api_read_vtable(vtable_font);
     graphics_api_read_vtable(vtable_graphics);

4ed_api_implementation.cpp

@@ -656,7 +656,7 @@ buffer_set_layout(Application_Links *app, Buffer_ID buffer_id, Layout_Function *
 }
 
 api(custom) function b32
-file_clear_layout_cache(Application_Links *app, Buffer_ID buffer_id){
+buffer_clear_layout_cache(Application_Links *app, Buffer_ID buffer_id){
     Models *models = (Models*)app->cmd_context;
     Editing_File *file = imp_get_file(models, buffer_id);
     b32 result = false;
@@ -2844,7 +2844,7 @@ text_layout_get_buffer(Application_Links *app, Text_Layout_ID text_layout_id){
     return(result);
 }
 
-api(custom) function Interval_i64
+api(custom) function Range_i64
 text_layout_get_visible_range(Application_Links *app, Text_Layout_ID text_layout_id){
     Models *models = (Models*)app->cmd_context;
     Range_i64 result = {};
@@ -2943,8 +2943,10 @@ text_layout_character_on_screen(Application_Links *app, Text_Layout_ID layout_id
                     for (i32 i = 0; i < count; i += 1, item_ptr += 1){
                         i64 index = item_ptr->index;
                         if (index == pos){
+                            if (!HasFlag(item_ptr->flags, LayoutItemFlag_Ghost_Character)){
                             result = rect_union(result, item_ptr->rect);
                             }
+                        }
                         else if (index > pos){
                             break;
                         }

4ed_buffer.cpp

@@ -875,6 +875,9 @@ buffer_layout_nearest_pos_to_xy(Layout_Item_List list, Vec2_f32 p){
                 i64 count = block->count;
                 Layout_Item *item = block->items;
                 for (i32 i = 0; i < count; i += 1, item += 1){
+                    if (HasFlag(item->flags, LayoutItemFlag_Ghost_Character)){
+                        continue;
+                    }
                     // NOTE(allen): This only works if we build layouts in y-sorted order.
                     if (p.y < item->rect.y0){
                         goto double_break;
@@ -901,6 +904,7 @@ buffer_layout_nearest_pos_to_xy(Layout_Item_List list, Vec2_f32 p){
             double_break:;
         }
         else{
+            
             if (p.x == max_f32){
                 Layout_Item *prev_item = 0;
                 for (Layout_Item_Block *block = list.first;
@@ -909,6 +913,9 @@ buffer_layout_nearest_pos_to_xy(Layout_Item_List list, Vec2_f32 p){
                     i64 count = block->count;
                     Layout_Item *item = block->items;
                     for (i32 i = 0; i < count; i += 1, item += 1){
+                        if (HasFlag(item->flags, LayoutItemFlag_Ghost_Character)){
+                            continue;
+                        }
                         if (p.y < item->rect.y0){
                             goto double_break_2;
                         }
@@ -918,6 +925,7 @@ buffer_layout_nearest_pos_to_xy(Layout_Item_List list, Vec2_f32 p){
                         }
                     }
                 }
+                
                 double_break_2:;
                 if (prev_item != 0){
                     closest_match = prev_item->index;
@@ -934,6 +942,9 @@ buffer_layout_nearest_pos_to_xy(Layout_Item_List list, Vec2_f32 p){
                     i64 count = block->count;
                     Layout_Item *item = block->items;
                     for (i32 i = 0; i < count; i += 1, item += 1){
+                        if (HasFlag(item->flags, LayoutItemFlag_Ghost_Character)){
+                            continue;
+                        }
                         // NOTE(allen): This only works if we build layouts in y-sorted order.
                         if (p.y < item->rect.y0){
                             goto double_break_3;
@@ -945,6 +956,7 @@ buffer_layout_nearest_pos_to_xy(Layout_Item_List list, Vec2_f32 p){
                         goto double_break_3;
                     }
                 }
+                
                 double_break_3:;
                 if (closest_item != 0){
                     closest_match = closest_item->index;
@@ -953,6 +965,7 @@ buffer_layout_nearest_pos_to_xy(Layout_Item_List list, Vec2_f32 p){
                     closest_match = list.manifested_index_range.min;
                 }
             }
+            
         }
     }
     return(closest_match);
@@ -980,6 +993,9 @@ buffer_layout_get_pos_at_character(Layout_Item_List list, i64 character){
                 i64 prev_index = -1;
                 Layout_Item *item = node->items;
                 for (i64 i = 0; i < count; i += 1, item += 1){
+                    if (HasFlag(item->flags, LayoutItemFlag_Ghost_Character)){
+                        continue;
+                    }
                     if (prev_index != item->index){
                         prev_index = item->index;
                         if (relative_character_counter == relative_character){
@@ -1007,6 +1023,9 @@ buffer_layout_get_first_with_index(Layout_Item_List list, i64 index){
         i64 count = block->count;
         Layout_Item *item = block->items;
         for (i32 i = 0; i < count; i += 1, item += 1){
+            if (HasFlag(item->flags, LayoutItemFlag_Ghost_Character)){
+                continue;
+            }
             if (item->index > index){
                 result = prev;
                 goto done;

custom/4coder_code_index.cpp

@@ -72,7 +72,6 @@ code_index_unlock(void){
 function void
 code_index_set_file(Buffer_ID buffer, Arena arena, Code_Index_File *index){
     Code_Index_File_Storage *storage = 0;
-    
     Table_Lookup lookup = table_lookup(&global_code_index.buffer_to_index_file,
                                        buffer);
     if (lookup.found_match){
@@ -92,8 +91,7 @@ code_index_set_file(Buffer_ID buffer, Arena arena, Code_Index_File *index){
 
 function void
 code_index_erase_file(Buffer_ID buffer){
-    Table_Lookup lookup = table_lookup(&global_code_index.buffer_to_index_file,
+    Table_Lookup lookup = table_lookup(&global_code_index.buffer_to_index_file, buffer);
-                                       buffer);
     if (lookup.found_match){
         u64 val = 0;
         table_read(&global_code_index.buffer_to_index_file, lookup, &val);
@@ -107,12 +105,12 @@ code_index_erase_file(Buffer_ID buffer){
 function Code_Index_File*
 code_index_get_file(Buffer_ID buffer){
     Code_Index_File *result = 0;
-    Table_Lookup lookup = table_lookup(&global_code_index.buffer_to_index_file,
+    Table_Lookup lookup = table_lookup(&global_code_index.buffer_to_index_file, buffer);
-                                       buffer);
     if (lookup.found_match){
         u64 val = 0;
         table_read(&global_code_index.buffer_to_index_file, lookup, &val);
-        result = (Code_Index_File*)IntAsPtr(val);
+        Code_Index_File_Storage *storage = (Code_Index_File_Storage*)IntAsPtr(val);
+        result = storage->file;
     }
     return(result);
 }
@@ -124,7 +122,7 @@ code_index_get_nest(Code_Index_Nest_Ptr_Array *array, i64 pos){
     Code_Index_Nest **nest_ptrs = array->ptrs;
     for (i32 i = 0; i < count; i += 1){
         Code_Index_Nest *nest = nest_ptrs[i];
-        if (nest->open.max <= pos && pos < nest->close.min){
+        if (nest->open.max <= pos && pos <= nest->close.min){
             Code_Index_Nest *sub_nest =
                 code_index_get_nest(&nest->nest_array, pos);
             if (sub_nest != 0){
@@ -149,6 +147,39 @@ code_index_get_nest(Code_Index_File *file, i64 pos){
     return(code_index_get_nest(&file->nest_array, pos));
 }
 
+function void
+index_shift(i64 *ptr, Range_i64 old_range, umem new_size){
+    i64 i = *ptr;
+    if (old_range.min <= i && i < old_range.max){
+        *ptr = old_range.first;
+    }
+    else if (old_range.max <= i){
+        *ptr = i + new_size - (old_range.max - old_range.min);
+    }
+}
+
+function void
+code_index_shift(Code_Index_Nest_Ptr_Array *array,
+                 Range_i64 old_range, umem new_size){
+    i32 count = array->count;
+    Code_Index_Nest **nest_ptr = array->ptrs;
+    for (i32 i = 0; i < count; i += 1, nest_ptr += 1){
+        Code_Index_Nest *nest = *nest_ptr;
+        index_shift(&nest->open.min, old_range, new_size);
+        index_shift(&nest->open.max, old_range, new_size);
+        if (nest->is_closed){
+            index_shift(&nest->close.min, old_range, new_size);
+            index_shift(&nest->close.max, old_range, new_size);
+        }
+        code_index_shift(&nest->nest_array, old_range, new_size);
+    }
+}
+
+function void
+code_index_shift(Code_Index_File *file, Range_i64 old_range, umem new_size){
+    code_index_shift(&file->nest_array, old_range, new_size);
+}
+
 ////////////////////////////////
 
 function void
@@ -164,8 +195,6 @@ generic_parse_skip_soft_tokens(Code_Index_File *index, Generic_Parse_State *stat
     for (;token != 0 && !state->finished;){
         if (token->kind == TokenBaseKind_Comment){
             state->handle_comment(state->app, state->arena, index, token, state->contents);
-            token_it_inc_non_whitespace(&state->it);
-            token = token_it_read(&state->it);
         }
         else if (token->kind == TokenBaseKind_Whitespace){
             Range_i64 range = Ii64(token);
@@ -188,7 +217,8 @@ generic_parse_skip_soft_tokens(Code_Index_File *index, Generic_Parse_State *stat
 }
 
 function void
-generic_parse_init(Application_Links *app, Arena *arena, String_Const_u8 contents, Token_Array *tokens,
+generic_parse_init(Application_Links *app, Arena *arena, String_Const_u8 contents,
+                   Token_Array *tokens,
                    Generic_Parse_Comment_Function *handle_comment, Generic_Parse_State *state){
     state->app = app;
     state->arena = arena;
@@ -199,7 +229,7 @@ generic_parse_init(Application_Links *app, Arena *arena, String_Const_u8 content
 }
 
 function Code_Index_Nest*
-generic_parse_parenthical(Code_Index_File *index, Generic_Parse_State *state,
+generic_parse_paren(Code_Index_File *index, Generic_Parse_State *state,
                     i64 indentation);
 
 function Code_Index_Nest*
@@ -209,6 +239,7 @@ generic_parse_scope(Code_Index_File *index, Generic_Parse_State *state,
     Code_Index_Nest *result = push_array_zero(state->arena, Code_Index_Nest, 1);
     result->kind = CodeIndexNest_Scope;
     result->open = Ii64(token);
+    result->close = Ii64(max_i64);
     result->file = index;
     
     result->interior_indentation = indentation + 4;
@@ -229,7 +260,7 @@ generic_parse_scope(Code_Index_File *index, Generic_Parse_State *state,
             code_index_push_nest(&result->nest_list, nest);
         }
         else if (token->kind == TokenBaseKind_ParentheticalOpen){
-            Code_Index_Nest *nest = generic_parse_parenthical(index, state,
+            Code_Index_Nest *nest = generic_parse_paren(index, state,
                                                         indentation);
             nest->parent = result;
             code_index_push_nest(&result->nest_list, nest);
@@ -245,19 +276,19 @@ generic_parse_scope(Code_Index_File *index, Generic_Parse_State *state,
         }
     }
     
-    result->nest_array =
+    result->nest_array = code_index_nest_ptr_array_from_list(state->arena, &result->nest_list);
-        code_index_nest_ptr_array_from_list(state->arena, &result->nest_list);
     
     return(result);
 }
 
 function Code_Index_Nest*
-generic_parse_parenthical(Code_Index_File *index, Generic_Parse_State *state,
+generic_parse_paren(Code_Index_File *index, Generic_Parse_State *state,
                     i64 indentation){
     Token *token = token_it_read(&state->it);
     Code_Index_Nest *result = push_array_zero(state->arena, Code_Index_Nest, 1);
     result->kind = CodeIndexNest_Paren;
     result->open = Ii64(token);
+    result->close = Ii64(max_i64);
     result->file = index;
     
     i64 manifested_characters_on_line = 0;
@@ -292,8 +323,7 @@ generic_parse_parenthical(Code_Index_File *index, Generic_Parse_State *state,
             code_index_push_nest(&result->nest_list, nest);
         }
         else if (token->kind == TokenBaseKind_ParentheticalOpen){
-            Code_Index_Nest *nest = generic_parse_parenthical(index, state,
+            Code_Index_Nest *nest = generic_parse_paren(index, state, indentation);
-                                                              indentation);
             nest->parent = result;
             code_index_push_nest(&result->nest_list, nest);
         }
@@ -303,13 +333,15 @@ generic_parse_parenthical(Code_Index_File *index, Generic_Parse_State *state,
             generic_parse_inc(state);
             break;
         }
+        else if (token->kind == TokenBaseKind_ScopeClose){
+            break;
+        }
         else{
             generic_parse_inc(state);
         }
     }
     
-    result->nest_array =
+    result->nest_array = code_index_nest_ptr_array_from_list(state->arena, &result->nest_list);
-        code_index_nest_ptr_array_from_list(state->arena, &result->nest_list);
     
     return(result);
 }
@@ -335,7 +367,7 @@ generic_parse_full_input_breaks(Code_Index_File *index, Generic_Parse_State *sta
             code_index_push_nest(&index->nest_list, nest);
         }
         else if (token->kind == TokenBaseKind_ParentheticalOpen){
-            Code_Index_Nest *nest = generic_parse_parenthical(index, state, indentation);
+            Code_Index_Nest *nest = generic_parse_paren(index, state, indentation);
             code_index_push_nest(&index->nest_list, nest);
         }
         else{
@@ -353,8 +385,7 @@ generic_parse_full_input_breaks(Code_Index_File *index, Generic_Parse_State *sta
     }
     
     if (result){
-        index->nest_array =
+        index->nest_array = code_index_nest_ptr_array_from_list(state->arena, &index->nest_list);
-            code_index_nest_ptr_array_from_list(state->arena, &index->nest_list);
     }
     
     return(result);
@@ -374,6 +405,210 @@ generic_parse_init(Application_Links *app, Arena *arena, String_Const_u8 content
     generic_parse_init(app, arena, contents, tokens, default_comment_index, state);
 }
 
+////////////////////////////////
+
+function i64
+layout_index_indent(Code_Index_File *file, i64 pos){
+    i64 indent = 0;
+    Code_Index_Nest *nest = code_index_get_nest(file, pos);
+    if (nest != 0){
+        if (pos == nest->close.min){
+            indent = nest->close_indentation;
+        }
+        else{
+            indent = nest->interior_indentation;
+        }
+    }
+    return(indent);
+}
+
+function f32
+layout_index_x_shift(Code_Index_File *file, i64 pos, f32 space_advance){
+    i64 indent = layout_index_indent(file, pos);
+    return(((f32)indent)*space_advance);
+}
+
+function Layout_Item_List
+layout_index_unwrapped__inner(Application_Links *app, Arena *arena, Buffer_ID buffer, Range_i64 range, Face_ID face, f32 width, Code_Index_File *file){
+    Scratch_Block scratch(app);
+    
+    Layout_Item_List list = get_empty_item_list(range);
+    String_Const_u8 text = push_buffer_range(app, scratch, buffer, range);
+    
+    Face_Advance_Map advance_map = get_face_advance_map(app, face);
+    Face_Metrics metrics = get_face_metrics(app, face);
+    LefRig_TopBot_Layout_Vars pos_vars = get_lr_tb_layout_vars(&advance_map, &metrics, width);
+    
+    f32 wrap_align_x = width - metrics.normal_advance;
+    
+    if (text.size == 0){
+        lr_tb_write_blank(&pos_vars, arena, &list, range.start);
+    }
+    else{
+        b32 first_of_the_line = true;
+        Newline_Layout_Vars newline_vars = get_newline_layout_vars();
+        
+        u8 *ptr = text.str;
+        u8 *end_ptr = ptr + text.size;
+        u8 *word_ptr = ptr;
+        
+        if (!character_is_whitespace(*ptr)){
+            goto consuming_non_whitespace;
+        }
+        
+        skipping_leading_whitespace:
+        for (;ptr < end_ptr; ptr += 1){
+            if (!character_is_whitespace(*ptr)){
+                word_ptr = ptr;
+                goto consuming_non_whitespace;
+            }
+            if (*ptr == '\n'){
+                goto consuming_normal_whitespace;
+            }
+        }
+        
+        if (ptr == end_ptr){
+            goto finish;
+        }
+        
+        consuming_non_whitespace:
+        for (;ptr <= end_ptr; ptr += 1){
+            if (ptr == end_ptr || character_is_whitespace(*ptr)){
+                break;
+            }
+        }
+        
+        {
+            newline_layout_consume_default(&newline_vars);
+            
+            String_Const_u8 word = SCu8(word_ptr, ptr);
+            u8 *word_end = ptr;
+            
+            if (!first_of_the_line){
+                f32 total_advance = 0.f;
+                ptr = word.str;
+                for (;ptr < word_end;){
+                    Character_Consume_Result consume =
+                        utf8_consume(ptr, (umem)(word_end - ptr));
+                    if (consume.codepoint != max_u32){
+                        total_advance += lr_tb_advance(&pos_vars, consume.codepoint);
+                    }
+                    else{
+                        total_advance += lr_tb_advance_byte(&pos_vars);
+                    }
+                    ptr += consume.inc;
+                }
+                
+                if (lr_tb_crosses_width(&pos_vars, total_advance)){
+                    i64 index = layout_index_from_ptr(word.str, text.str, range.first);
+                    lr_tb_align_rightward(&pos_vars, wrap_align_x);
+                    lr_tb_write_ghost(&pos_vars, arena, &list, index, '\\');
+                    
+                    lr_tb_next_line(&pos_vars);
+                    f32 shift = layout_index_x_shift(file, index, metrics.space_advance);
+                    lr_tb_advance_x_without_item(&pos_vars, shift);
+                }
+            }
+            else{
+                i64 index = layout_index_from_ptr(word.str, text.str, range.first);
+                f32 shift = layout_index_x_shift(file, index, metrics.space_advance);
+                lr_tb_advance_x_without_item(&pos_vars, shift);
+            }
+            
+            ptr = word.str;
+            
+            for (;ptr < word_end;){
+                Character_Consume_Result consume =
+                    utf8_consume(ptr, (umem)(word_end - ptr));
+                i64 index = layout_index_from_ptr(ptr, text.str, range.first);
+                
+                if (consume.codepoint != max_u32){
+                    lr_tb_write(&pos_vars, arena, &list, index, consume.codepoint);
+                }
+                else{
+                    lr_tb_write_byte(&pos_vars, arena, &list, index, *ptr);
+                }
+                
+                ptr += consume.inc;
+            }
+            
+            first_of_the_line = false;
+        }
+        
+        consuming_normal_whitespace:
+        for (; ptr < end_ptr; ptr += 1){
+            if (!character_is_whitespace(*ptr)){
+                word_ptr = ptr;
+                goto consuming_non_whitespace;
+            }
+            
+            i64 index = layout_index_from_ptr(ptr, text.str, range.first);
+            switch (*ptr){
+                default:
+                {
+                    newline_layout_consume_default(&newline_vars);
+                    lr_tb_write(&pos_vars, arena, &list, index, *ptr);
+                    first_of_the_line = false;
+                }break;
+                
+                case '\r':
+                {
+                    newline_layout_consume_CR(&newline_vars, index);
+                }break;
+                
+                case '\n':
+                {
+                    if (first_of_the_line){
+                        f32 shift = layout_index_x_shift(file, index,
+                                                         metrics.space_advance);
+                        lr_tb_advance_x_without_item(&pos_vars, shift);
+                    }
+                    
+                    u64 newline_index = newline_layout_consume_LF(&newline_vars, index);
+                    lr_tb_write_blank(&pos_vars, arena, &list, newline_index);
+                    lr_tb_next_line(&pos_vars);
+                    first_of_the_line = true;
+                    ptr += 1;
+                    goto skipping_leading_whitespace;
+                }break;
+            }
+        }
+        
+        finish:
+        if (newline_layout_consume_finish(&newline_vars)){
+                i64 index = layout_index_from_ptr(ptr, text.str, range.first);
+            if (first_of_the_line){
+                f32 shift = layout_index_x_shift(file, index,
+                                                 metrics.space_advance);
+                lr_tb_advance_x_without_item(&pos_vars, shift);
+            }
+            lr_tb_write_blank(&pos_vars, arena, &list, index);
+        }
+    }
+    
+    layout_item_list_finish(&list, -pos_vars.line_to_text_shift);
+    
+    return(list);
+}
+
+function Layout_Item_List
+layout_virt_indent_index_unwrapped(Application_Links *app, Arena *arena,
+                                   Buffer_ID buffer, Range_i64 range, Face_ID face,
+                                   f32 width){
+    Layout_Item_List result = {};
+    
+    code_index_lock();
+    Code_Index_File *file = code_index_get_file(buffer);
+    if (file != 0){
+        result = layout_index_unwrapped__inner(app, arena, buffer, range, face, width, file);
+    }
+    code_index_unlock();
+    if (file == 0){
+        result = layout_virt_indent_literal_unwrapped(app, arena, buffer, range, face, width);
+    }
+    
+    return(result);
+}
 
 // BOTTOM
 

custom/4coder_default_framework.cpp

@@ -460,6 +460,7 @@ default_4coder_initialize(Application_Links *app, String_Const_u8_Array file_nam
     buffer_map_id      = managed_id_declare(app, SCu8("DEFAULT.buffer_map_id"     ));
 	buffer_eol_setting = managed_id_declare(app, SCu8("DEFAULT.buffer_eol_setting"));
     buffer_lex_task = managed_id_declare(app, SCu8("DEFAULT.buffer_lex_task"));
+    buffer_parse_task = managed_id_declare(app, SCu8("DEFAULT.buffer_parse_task"));
     
     sticky_jump_marker_handle = managed_id_declare(app, SCu8("DEFAULT.sticky_jump_marker_handle"));
     attachment_tokens = managed_id_declare(app, SCu8("DEFAULT.tokens"));

custom/4coder_default_framework_variables.cpp

@@ -46,6 +46,7 @@ global Managed_ID view_word_complete_menu = 0;
 global Managed_ID buffer_map_id = 0;
 global Managed_ID buffer_eol_setting = 0;
 global Managed_ID buffer_lex_task = 0;
+global Managed_ID buffer_parse_task = 0;
 
 global Managed_ID sticky_jump_marker_handle = 0;
 

custom/4coder_default_hooks.cpp

@@ -53,7 +53,6 @@ CUSTOM_DOC("Default command for responding to a try-exit event")
     }
 }
 
-
 CUSTOM_COMMAND_SIG(default_view_input_handler)
 CUSTOM_DOC("Input consumption loop for default view behavior")
 {
@@ -281,6 +280,48 @@ default_buffer_region(Application_Links *app, View_ID view_id, Rect_f32 region){
     return(region);
 }
 
+function void
+recursive_nest_highlight(Application_Links *app, Text_Layout_ID layout_id, Range_i64 range,
+                         Code_Index_Nest_Ptr_Array *array, i32 counter){
+    Code_Index_Nest **ptr = array->ptrs;
+    Code_Index_Nest **ptr_end = ptr + array->count;
+    
+    for (;ptr < ptr_end; ptr += 1){
+        Code_Index_Nest *nest = *ptr;
+        if (!nest->is_closed){
+            break;
+        }
+        if (range.first <= nest->close.max){
+            break;
+        }
+    }
+    
+    FColor t_colors[] = {
+        fcolor_id(Stag_Text_Cycle_1), fcolor_id(Stag_Text_Cycle_2),
+        fcolor_id(Stag_Text_Cycle_3), fcolor_id(Stag_Text_Cycle_4),
+    };
+    FColor t_color = t_colors[counter%ArrayCount(t_colors)];
+    
+    for (;ptr < ptr_end; ptr += 1){
+        Code_Index_Nest *nest = *ptr;
+        if (range.max <= nest->open.min){
+            break;
+        }
+        
+        paint_text_color(app, layout_id, nest->open, t_color);
+        if (nest->is_closed){
+            paint_text_color(app, layout_id, nest->close, t_color);
+        }
+        recursive_nest_highlight(app, layout_id, range, &nest->nest_array, counter + 1);
+    }
+}
+
+function void
+recursive_nest_highlight(Application_Links *app, Text_Layout_ID layout_id, Range_i64 range,
+                         Code_Index_File *file){
+    recursive_nest_highlight(app, layout_id, range, &file->nest_array, 0);
+}
+
 function void
 default_render_buffer(Application_Links *app, View_ID view_id, Face_ID face_id,
                       Buffer_ID buffer, Text_Layout_ID text_layout_id,
@@ -581,6 +622,45 @@ BUFFER_NAME_RESOLVER_SIG(default_buffer_name_resolution){
     }
 }
 
+function void
+parse_async__inner(Async_Context *actx, Buffer_ID buffer_id,
+                   String_Const_u8 contents, Token_Array *tokens, i32 limit_factor){
+    Application_Links *app = actx->app;
+    ProfileBlock(app, "async parse");
+    
+    Arena arena = make_arena_system(KB(16));
+    Code_Index_File *index = push_array_zero(&arena, Code_Index_File, 1);
+    index->buffer = buffer_id;
+    
+    Generic_Parse_State state = {};
+    generic_parse_init(app, &arena, contents, tokens, &state);
+    
+    b32 canceled = false;
+    
+    for (;;){
+        if (generic_parse_full_input_breaks(index, &state, limit_factor)){
+            break;
+        }
+        if (async_check_canceled(actx)){
+            canceled = true;
+            break;
+        }
+    }
+    
+    if (!canceled){
+        Thread_Context *tctx = get_thread_context(app);
+        system_acquire_global_frame_mutex(tctx);
+        code_index_lock();
+        code_index_set_file(buffer_id, arena, index);
+        code_index_unlock();
+        buffer_clear_layout_cache(app, buffer_id);
+        system_release_global_frame_mutex(tctx);
+    }
+    else{
+        linalloc_clear(&arena);
+    }
+}
+
 function void
 do_full_lex_and_parse_async__inner(Async_Context *actx, Buffer_ID buffer_id){
     Application_Links *app = actx->app;
@@ -600,10 +680,8 @@ do_full_lex_and_parse_async__inner(Async_Context *actx, Buffer_ID buffer_id){
             Token_Array *tokens_ptr = scope_attachment(app, scope, attachment_tokens,
                                                        Token_Array);
             base_free(allocator, tokens_ptr->tokens);
+            block_zero_struct(tokens_ptr);
         }
-        code_index_lock();
-        code_index_erase_file(buffer_id);
-        code_index_unlock();
         
         contents = push_whole_buffer(app, scratch, buffer_id);
         system_release_global_frame_mutex(tctx);
@@ -650,32 +728,7 @@ do_full_lex_and_parse_async__inner(Async_Context *actx, Buffer_ID buffer_id){
     }
     
     if (tokens.count > 0){
-        ProfileBlock(app, "async parse");
+        parse_async__inner(actx, buffer_id, contents, &tokens, limit_factor);
-        Arena arena = make_arena_system(KB(16));
-        Code_Index_File *index = push_array_zero(&arena, Code_Index_File, 1);
-        index->buffer = buffer_id;
-        
-        Generic_Parse_State state = {};
-        generic_parse_init(app, &arena, contents, &tokens, &state);
-        
-        for (;;){
-            if (generic_parse_full_input_breaks(index, &state, limit_factor)){
-                break;
-            }
-            if (async_check_canceled(actx)){
-                canceled = true;
-                break;
-            }
-        }
-        
-        if (!canceled){
-            code_index_lock();
-            code_index_set_file(buffer_id, arena, index);
-            code_index_unlock();
-        }
-        else{
-            linalloc_clear(&arena);
-        }
     }
 }
 
@@ -687,6 +740,49 @@ do_full_lex_and_parse_async(Async_Context *actx, Data data){
     }
 }
 
+function void
+do_parse_async__inner(Async_Context *actx, Buffer_ID buffer_id){
+    Application_Links *app = actx->app;
+    ProfileScope(app, "async lex");
+    Thread_Context *tctx = get_thread_context(app);
+    Scratch_Block scratch(tctx);
+    
+    String_Const_u8 contents = {};
+    Token_Array tokens = {};
+    {
+        ProfileBlock(app, "async parse contents (before mutex)");
+        system_acquire_global_frame_mutex(tctx);
+        ProfileBlock(app, "async parse contents (after mutex)");
+        
+        Managed_Scope scope = buffer_get_managed_scope(app, buffer_id);
+        if (scope != 0){
+            Token_Array *tokens_ptr = scope_attachment(app, scope, attachment_tokens,
+                                                       Token_Array);
+            tokens.count = tokens_ptr->count;
+            tokens.tokens = push_array_write(scratch, Token, tokens.count, tokens_ptr->tokens);
+            if (tokens.count > 0){
+                contents = push_whole_buffer(app, scratch, buffer_id);
+            }
+        }
+        
+        system_release_global_frame_mutex(tctx);
+    }
+    
+    i32 limit_factor = 10000;
+    
+    if (tokens.count > 0){
+        parse_async__inner(actx, buffer_id, contents, &tokens, limit_factor);
+    }
+}
+
+function void
+do_parse_async(Async_Context *actx, Data data){
+    if (data.size == sizeof(Buffer_ID)){
+        Buffer_ID buffer = *(Buffer_ID*)data.data;
+        do_parse_async__inner(actx, buffer);
+    }
+}
+
 BUFFER_HOOK_SIG(default_begin_buffer){
     ProfileScope(app, "begin buffer");
     
@@ -774,6 +870,7 @@ BUFFER_HOOK_SIG(default_begin_buffer){
         buffer_map_id = managed_id_declare(app, SCu8("DEFAULT.buffer_map_id"));
         buffer_eol_setting = managed_id_declare(app, SCu8("DEFAULT.buffer_eol_setting"));
         buffer_lex_task = managed_id_declare(app, SCu8("DEFAULT.buffer_lex_task"));
+        buffer_parse_task = managed_id_declare(app, SCu8("DEFAULT.buffer_parse_task"));
     }
     
     Command_Map_ID map_id = (treat_as_code)?(default_code_map):(mapid_file);
@@ -810,7 +907,13 @@ BUFFER_HOOK_SIG(default_begin_buffer){
     
     if (wrap_lines){
         if (use_virtual_whitespace){
-            buffer_set_layout(app, buffer_id, layout_virt_indent_unwrapped);
+            if (use_lexer){
+                buffer_set_layout(app, buffer_id, layout_virt_indent_index_unwrapped);
+                //buffer_set_layout(app, buffer_id, layout_virt_indent_literal_unwrapped);
+            }
+            else{
+                buffer_set_layout(app, buffer_id, layout_virt_indent_literal_unwrapped);
+            }
         }
         else{
             buffer_set_layout(app, buffer_id, layout_wrap_whitespace);
@@ -818,7 +921,13 @@ BUFFER_HOOK_SIG(default_begin_buffer){
     }
     else{
         if (use_virtual_whitespace){
-            buffer_set_layout(app, buffer_id, layout_virt_indent_unwrapped);
+            if (use_lexer){
+                buffer_set_layout(app, buffer_id, layout_virt_indent_index_unwrapped);
+                //buffer_set_layout(app, buffer_id, layout_virt_indent_literal_unwrapped);
+            }
+            else{
+                buffer_set_layout(app, buffer_id, layout_virt_indent_literal_unwrapped);
+            }
         }
         else{
             buffer_set_layout(app, buffer_id, layout_unwrapped);
@@ -865,7 +974,17 @@ BUFFER_EDIT_RANGE_SIG(default_buffer_edit_range){
     // buffer_id, new_range, original_size
     ProfileScope(app, "default edit range");
     
-    Interval_i64 old_range = Ii64(new_range.first, new_range.first + original_size);
+    Range_i64 old_range = Ii64(new_range.first, new_range.first + original_size);
+    
+    {
+        code_index_lock();
+        Code_Index_File *file = code_index_get_file(buffer_id);
+        if (file != 0){
+            code_index_shift(file, old_range, range_size(new_range));
+        }
+        code_index_unlock();
+    }
+    
     i64 insert_size = range_size(new_range);
     i64 text_shift = replace_range_shift(old_range, insert_size);
     
@@ -873,20 +992,25 @@ BUFFER_EDIT_RANGE_SIG(default_buffer_edit_range){
     
     Managed_Scope scope = buffer_get_managed_scope(app, buffer_id);
     Async_Task *lex_task_ptr = scope_attachment(app, scope, buffer_lex_task, Async_Task);
+    Async_Task *parse_task_ptr = scope_attachment(app, scope, buffer_parse_task, Async_Task);
+    
+    Base_Allocator *allocator = managed_scope_allocator(app, scope);
+    b32 do_full_relex = false;
+    
     if (async_task_is_running_or_pending(&global_async_system, *lex_task_ptr)){
         async_task_cancel(&global_async_system, *lex_task_ptr);
-        *lex_task_ptr = async_task_no_dep(&global_async_system,
+        do_full_relex = true;
-                                          do_full_lex_and_parse_async,
+        *lex_task_ptr = 0;
-                                          make_data_struct(&buffer_id));
     }
-    else{
+    if (async_task_is_running_or_pending(&global_async_system, *parse_task_ptr)){
+        async_task_cancel(&global_async_system, *parse_task_ptr);
+        *parse_task_ptr = 0;
+    }
+    
     Token_Array *ptr = scope_attachment(app, scope, attachment_tokens, Token_Array);
     if (ptr != 0 && ptr->tokens != 0){
         ProfileBlockNamed(app, "attempt resync", profile_attempt_resync);
         
-            Base_Allocator *allocator = managed_scope_allocator(app, scope);
-            
-            b32 do_full_relex = false;
         i64 token_index_first = token_relex_first(ptr, old_range.first, 1);
         i64 token_index_resync_guess =
             token_relex_resync(ptr, old_range.one_past_last, 16);
@@ -915,7 +1039,10 @@ BUFFER_EDIT_RANGE_SIG(default_buffer_edit_range){
             
             ProfileCloseNow(profile_attempt_resync);
             
-                if (relex.successful_resync){
+            if (!relex.successful_resync){
+                do_full_relex = true;
+            }
+            else{
                 ProfileBlock(app, "apply resync");
                 
                 i64 token_index_resync = relex.first_resync_index;
@@ -946,19 +1073,17 @@ BUFFER_EDIT_RANGE_SIG(default_buffer_edit_range){
                 ptr->tokens = new_tokens;
                 ptr->count = new_tokens_count;
                 ptr->max = new_tokens_count;
+                
+                *parse_task_ptr = async_task_no_dep(&global_async_system, do_parse_async,
+                                                    make_data_struct(&buffer_id));
             }
-                else{
-                    do_full_relex = true;
         }
     }
     
     if (do_full_relex){
-                *lex_task_ptr = async_task_no_dep(&global_async_system,
+        *lex_task_ptr = async_task_no_dep(&global_async_system, do_full_lex_and_parse_async,
-                                                  do_full_lex_and_parse_async,
                                           make_data_struct(&buffer_id));
     }
-        }
-    }
     
     // no meaning for return
     return(0);
@@ -970,6 +1095,10 @@ BUFFER_HOOK_SIG(default_end_buffer){
     if (lex_task_ptr != 0){
         async_task_cancel(&global_async_system, *lex_task_ptr);
     }
+    Async_Task *lex_parse_ptr = scope_attachment(app, scope, buffer_parse_task, Async_Task);
+    if (lex_parse_ptr != 0){
+        async_task_cancel(&global_async_system, *lex_parse_ptr);
+    }
     code_index_lock();
     code_index_erase_file(buffer_id);
     code_index_unlock();

custom/4coder_default_include.cpp

@@ -28,12 +28,12 @@
 #include "4coder_profile.h"
 #include "4coder_async_tasks.h"
 #include "4coder_token.h"
-#include "4coder_code_index.h"
 #include "generated/lexer_cpp.h"
 #include "4coder_string_match.h"
 #include "4coder_helper.h"
 #include "4coder_delta_rule.h"
 #include "4coder_layout_rule.h"
+#include "4coder_code_index.h"
 #include "4coder_draw.h"
 #include "4coder_insertion.h"
 #include "4coder_lister_base.h"
@@ -72,13 +72,13 @@
 #include "4coder_buffer_seek_constructors.cpp"
 
 #include "4coder_token.cpp"
-#include "4coder_code_index.cpp"
 #include "generated/lexer_cpp.cpp"
 #include "4coder_command_map.cpp"
 #include "4coder_default_framework_variables.cpp"
 #include "4coder_helper.cpp"
 #include "4coder_delta_rule.cpp"
 #include "4coder_layout_rule.cpp"
+#include "4coder_code_index.cpp"
 #include "4coder_fancy.cpp"
 #include "4coder_draw.cpp"
 #include "4coder_font_helper.cpp"

custom/4coder_layout_rule.cpp

@@ -24,8 +24,7 @@ layout_item_list_finish(Layout_Item_List *list, f32 bottom_padding){
 }
 
 function void
-layout_write(Arena *arena, Layout_Item_List *list,
+layout_write(Arena *arena, Layout_Item_List *list, i64 index, u32 codepoint, Layout_Item_Flag flags, Rect_f32 rect){
-             i64 index, u32 codepoint, Layout_Item_Flag flags, Rect_f32 rect){
     Temp_Memory restore_point = begin_temp(arena);
     Layout_Item *item = push_array(arena, Layout_Item, 1);
     
@@ -140,37 +139,45 @@ lr_tb_advance(LefRig_TopBot_Layout_Vars *vars, u32 codepoint){
 }
 
 function void
-lr_tb_write_with_advance(LefRig_TopBot_Layout_Vars *vars, f32 advance,
+lr_tb_write_with_advance_with_flags(LefRig_TopBot_Layout_Vars *vars, f32 advance, Arena *arena, Layout_Item_List *list, i64 index, u32 codepoint, Layout_Item_Flag flags){
-                         Arena *arena, Layout_Item_List *list, i64 index, u32 codepoint){
     if (codepoint == '\t'){
         codepoint = ' ';
     }
     vars->p.x = f32_ceil32(vars->p.x);
     f32 next_x = vars->p.x + advance;
-    layout_write(arena, list, index, codepoint, 0,
+    layout_write(arena, list, index, codepoint, flags,
                  Rf32(vars->p, V2f32(next_x, vars->text_y)));
     vars->p.x = next_x;
 }
 
 function void
-lr_tb_write(LefRig_TopBot_Layout_Vars *vars,
+lr_tb_write_with_advance(LefRig_TopBot_Layout_Vars *vars, f32 advance, Arena *arena, Layout_Item_List *list, i64 index, u32 codepoint){
-            Arena *arena, Layout_Item_List *list, i64 index, u32 codepoint){
+    lr_tb_write_with_advance_with_flags(vars, advance, arena, list, index, codepoint, 0);
+}
+
+function void
+lr_tb_write(LefRig_TopBot_Layout_Vars *vars, Arena *arena, Layout_Item_List *list, i64 index, u32 codepoint){
     f32 advance = lr_tb_advance(vars, codepoint);
     lr_tb_write_with_advance(vars, advance, arena, list, index, codepoint);
 }
 
+function void
+lr_tb_write_ghost(LefRig_TopBot_Layout_Vars *vars, Arena *arena, Layout_Item_List *list, i64 index, u32 codepoint){
+    f32 advance = lr_tb_advance(vars, codepoint);
+    lr_tb_write_with_advance_with_flags(vars, advance, arena, list, index, codepoint, LayoutItemFlag_Ghost_Character);
+}
+
 function f32
 lr_tb_advance_byte(LefRig_TopBot_Layout_Vars *vars){
     return(vars->metrics->byte_advance);
 }
 
 function void
-lr_tb_write_byte_with_advance(LefRig_TopBot_Layout_Vars *vars, f32 advance,
+lr_tb_write_byte_with_advance(LefRig_TopBot_Layout_Vars *vars, f32 advance, Arena *arena, Layout_Item_List *list, i64 index, u8 byte){
-                              Arena *arena, Layout_Item_List *list, i64 index, u8 byte){
     Face_Metrics *metrics = vars->metrics;
     
     f32 final_next_x = vars->p.x + advance;
-    u32 lo = ((u32)byte)&0xF;
+    u32 lo = ((u32)byte     )&0xF;
     u32 hi = ((u32)byte >> 4)&0xF;
     
     Vec2_f32 p = vars->p;
@@ -178,15 +185,17 @@ lr_tb_write_byte_with_advance(LefRig_TopBot_Layout_Vars *vars, f32 advance,
     f32 next_x = p.x + metrics->byte_sub_advances[0];
     f32 text_y = vars->text_y;
     
-    layout_write(arena, list, index, '\\', 0,
+    Layout_Item_Flag flags = LayoutItemFlag_Special_Character;
+    
+    layout_write(arena, list, index, '\\', flags,
                  Rf32(p, V2f32(next_x, text_y)));
     p.x = next_x;
     next_x += metrics->byte_sub_advances[1];
-    layout_write(arena, list, index, integer_symbols[hi], 0,
+    layout_write(arena, list, index, integer_symbols[hi], flags,
                  Rf32(p, V2f32(next_x, text_y)));
     p.x = next_x;
     next_x += metrics->byte_sub_advances[2];
-    layout_write(arena, list, index, integer_symbols[lo], 0,
+    layout_write(arena, list, index, integer_symbols[lo], flags,
                  Rf32(p, V2f32(next_x, text_y)));
     
     vars->p.x = final_next_x;
@@ -234,6 +243,11 @@ lr_tb_advance_x_without_item(LefRig_TopBot_Layout_Vars *vars, f32 advance){
     vars->p.x += advance;
 }
 
+function void
+lr_tb_align_rightward(LefRig_TopBot_Layout_Vars *vars, f32 align_x){
+    vars->p.x = clamp_bot(align_x, vars->p.x);
+}
+
 ////////////////////////////////
 
 function Layout_Item_List
@@ -517,7 +531,7 @@ layout_wrap_whitespace(Application_Links *app, Arena *arena, Buffer_ID buffer,
             if (!first_of_the_line){
                 f32 total_advance = 0.f;
                 ptr = word.str;
-                for (; ptr < word_end;){
+                for (;ptr < word_end;){
                     Character_Consume_Result consume =
                         utf8_consume(ptr, (umem)(word_end - ptr));
                     if (consume.codepoint != max_u32){
@@ -536,7 +550,7 @@ layout_wrap_whitespace(Application_Links *app, Arena *arena, Buffer_ID buffer,
             
             ptr = word.str;
             
-            for (; ptr < word_end;){
+            for (;ptr < word_end;){
                 Character_Consume_Result consume =
                     utf8_consume(ptr, (umem)(word_end - ptr));
                 i64 index = layout_index_from_ptr(ptr, text.str, range.first);
@@ -602,7 +616,7 @@ layout_wrap_whitespace(Application_Links *app, Arena *arena, Buffer_ID buffer,
 }
 
 function Layout_Item_List
-layout_virt_indent_unwrapped(Application_Links *app, Arena *arena,
+layout_virt_indent_literal_unwrapped(Application_Links *app, Arena *arena,
                                      Buffer_ID buffer, Range_i64 range, Face_ID face,
                                      f32 width){
     Scratch_Block scratch(app);

custom/4coder_types.h

@@ -582,32 +582,25 @@ struct Buffer_Name_Conflict_Entry{
 };
 
 typedef void Buffer_Name_Resolver_Function(Application_Links *app, Buffer_Name_Conflict_Entry *conflicts, i32 conflict_count);
-#define BUFFER_NAME_RESOLVER_SIG(n) \
+#define BUFFER_NAME_RESOLVER_SIG(n) void n(Application_Links *app, Buffer_Name_Conflict_Entry *conflicts, i32 conflict_count)
-void n(Application_Links *app, Buffer_Name_Conflict_Entry *conflicts, \
-i32 conflict_count)
 
 typedef i32 Buffer_Hook_Function(Application_Links *app, Buffer_ID buffer_id);
 #define BUFFER_HOOK_SIG(name) i32 name(Application_Links *app, Buffer_ID buffer_id)
 
 typedef i32 Buffer_Edit_Range_Function(Application_Links *app, Buffer_ID buffer_id,
                                        Range_i64 new_range, umem original_size);
-#define BUFFER_EDIT_RANGE_SIG(name) \
+#define BUFFER_EDIT_RANGE_SIG(name) i32 name(Application_Links *app, Buffer_ID buffer_id, Interval_i64 new_range, umem original_size)
-i32 name(Application_Links *app, Buffer_ID buffer_id, \
-Interval_i64 new_range, umem original_size)
 
 typedef Vec2_f32 Delta_Rule_Function(Vec2_f32 pending, b32 is_new_target, f32 dt, void *data);
-#define DELTA_RULE_SIG(name) \
+#define DELTA_RULE_SIG(name) Vec2_f32 name(Vec2_f32 pending, b32 is_new_target, f32 dt, void *data)
-Vec2_f32 name(Vec2_f32 pending, b32 is_new_target, f32 dt, void *data)
 
 typedef Rect_f32 Buffer_Region_Function(Application_Links *app, View_ID view_id, Rect_f32 region);
 
 typedef void New_Clipboard_Contents_Function(Application_Links *app, String_Const_u8 contents);
-#define NEW_CLIPBOARD_CONTENTS_SIG(name) \
+#define NEW_CLIPBOARD_CONTENTS_SIG(name) void name(Application_Links *app, String_Const_u8 contents)
-void name(Application_Links *app, String_Const_u8 contents)
 
 typedef void Render_Caller_Function(Application_Links *app, Frame_Info frame_info, View_ID view);
-#define RENDER_CALLER_SIG(name) \
+#define RENDER_CALLER_SIG(name) void name(Application_Links *app, Frame_Info frame_info, View_ID view)
-void name(Application_Links *app, Frame_Info frame_info, View_ID view)
 
 typedef u32 Layout_Item_Flag;
 enum{

custom/generated/command_metadata.h

@@ -236,7 +236,7 @@ i32 source_name_len;
 i32 line_number;
 };
 static Command_Metadata fcoder_metacmd_table[214] = {
-{ PROC_LINKS(default_view_input_handler, 0), false, "default_view_input_handler", 26, "Input consumption loop for default view behavior", 48, "w:\\4ed\\code\\custom\\4coder_default_hooks.cpp", 43, 57 },
+{ PROC_LINKS(default_view_input_handler, 0), false, "default_view_input_handler", 26, "Input consumption loop for default view behavior", 48, "w:\\4ed\\code\\custom\\4coder_default_hooks.cpp", 43, 56 },
 { PROC_LINKS(profile_enable, 0), false, "profile_enable", 14, "Allow 4coder's self profiler to gather new profiling information.", 65, "w:\\4ed\\code\\custom\\4coder_profile.cpp", 37, 207 },
 { PROC_LINKS(profile_disable, 0), false, "profile_disable", 15, "Prevent 4coder's self profiler from gathering new profiling information.", 72, "w:\\4ed\\code\\custom\\4coder_profile.cpp", 37, 214 },
 { PROC_LINKS(profile_clear, 0), false, "profile_clear", 13, "Clear all profiling information from 4coder's self profiler.", 60, "w:\\4ed\\code\\custom\\4coder_profile.cpp", 37, 221 },

custom/generated/custom_api.cpp

@@ -43,7 +43,7 @@ vtable->push_buffer_file_name = push_buffer_file_name;
 vtable->buffer_get_dirty_state = buffer_get_dirty_state;
 vtable->buffer_set_dirty_state = buffer_set_dirty_state;
 vtable->buffer_set_layout = buffer_set_layout;
-vtable->file_clear_layout_cache = file_clear_layout_cache;
+vtable->buffer_clear_layout_cache = buffer_clear_layout_cache;
 vtable->buffer_get_layout = buffer_get_layout;
 vtable->buffer_get_setting = buffer_get_setting;
 vtable->buffer_set_setting = buffer_set_setting;
@@ -223,7 +223,7 @@ push_buffer_file_name = vtable->push_buffer_file_name;
 buffer_get_dirty_state = vtable->buffer_get_dirty_state;
 buffer_set_dirty_state = vtable->buffer_set_dirty_state;
 buffer_set_layout = vtable->buffer_set_layout;
-file_clear_layout_cache = vtable->file_clear_layout_cache;
+buffer_clear_layout_cache = vtable->buffer_clear_layout_cache;
 buffer_get_layout = vtable->buffer_get_layout;
 buffer_get_setting = vtable->buffer_get_setting;
 buffer_set_setting = vtable->buffer_set_setting;

custom/generated/custom_api.h

@@ -41,7 +41,7 @@
 #define custom_buffer_get_dirty_state_sig() Dirty_State custom_buffer_get_dirty_state(Application_Links* app, Buffer_ID buffer_id)
 #define custom_buffer_set_dirty_state_sig() b32 custom_buffer_set_dirty_state(Application_Links* app, Buffer_ID buffer_id, Dirty_State dirty_state)
 #define custom_buffer_set_layout_sig() b32 custom_buffer_set_layout(Application_Links* app, Buffer_ID buffer_id, Layout_Function* layout_func)
-#define custom_file_clear_layout_cache_sig() b32 custom_file_clear_layout_cache(Application_Links* app, Buffer_ID buffer)
+#define custom_buffer_clear_layout_cache_sig() b32 custom_buffer_clear_layout_cache(Application_Links* app, Buffer_ID buffer_id)
 #define custom_buffer_get_layout_sig() Layout_Function* custom_buffer_get_layout(Application_Links* app, Buffer_ID buffer_id)
 #define custom_buffer_get_setting_sig() b32 custom_buffer_get_setting(Application_Links* app, Buffer_ID buffer_id, Buffer_Setting_ID setting, i64* value_out)
 #define custom_buffer_set_setting_sig() b32 custom_buffer_set_setting(Application_Links* app, Buffer_ID buffer_id, Buffer_Setting_ID setting, i64 value)
@@ -164,7 +164,7 @@
 #define custom_text_layout_create_sig() Text_Layout_ID custom_text_layout_create(Application_Links* app, Buffer_ID buffer_id, Rect_f32 rect, Buffer_Point buffer_point)
 #define custom_text_layout_region_sig() Rect_f32 custom_text_layout_region(Application_Links* app, Text_Layout_ID text_layout_id)
 #define custom_text_layout_get_buffer_sig() Buffer_ID custom_text_layout_get_buffer(Application_Links* app, Text_Layout_ID text_layout_id)
-#define custom_text_layout_get_visible_range_sig() Interval_i64 custom_text_layout_get_visible_range(Application_Links* app, Text_Layout_ID text_layout_id)
+#define custom_text_layout_get_visible_range_sig() Range_i64 custom_text_layout_get_visible_range(Application_Links* app, Text_Layout_ID text_layout_id)
 #define custom_text_layout_line_on_screen_sig() Range_f32 custom_text_layout_line_on_screen(Application_Links* app, Text_Layout_ID layout_id, i64 line_number)
 #define custom_text_layout_character_on_screen_sig() Rect_f32 custom_text_layout_character_on_screen(Application_Links* app, Text_Layout_ID layout_id, i64 pos)
 #define custom_paint_text_color_sig() void custom_paint_text_color(Application_Links* app, Text_Layout_ID layout_id, Interval_i64 range, FColor color)
@@ -217,7 +217,7 @@ typedef String_Const_u8 custom_push_buffer_file_name_type(Application_Links* app
 typedef Dirty_State custom_buffer_get_dirty_state_type(Application_Links* app, Buffer_ID buffer_id);
 typedef b32 custom_buffer_set_dirty_state_type(Application_Links* app, Buffer_ID buffer_id, Dirty_State dirty_state);
 typedef b32 custom_buffer_set_layout_type(Application_Links* app, Buffer_ID buffer_id, Layout_Function* layout_func);
-typedef b32 custom_file_clear_layout_cache_type(Application_Links* app, Buffer_ID buffer);
+typedef b32 custom_buffer_clear_layout_cache_type(Application_Links* app, Buffer_ID buffer_id);
 typedef Layout_Function* custom_buffer_get_layout_type(Application_Links* app, Buffer_ID buffer_id);
 typedef b32 custom_buffer_get_setting_type(Application_Links* app, Buffer_ID buffer_id, Buffer_Setting_ID setting, i64* value_out);
 typedef b32 custom_buffer_set_setting_type(Application_Links* app, Buffer_ID buffer_id, Buffer_Setting_ID setting, i64 value);
@@ -340,7 +340,7 @@ typedef Rect_f32 custom_draw_set_clip_type(Application_Links* app, Rect_f32 new_
 typedef Text_Layout_ID custom_text_layout_create_type(Application_Links* app, Buffer_ID buffer_id, Rect_f32 rect, Buffer_Point buffer_point);
 typedef Rect_f32 custom_text_layout_region_type(Application_Links* app, Text_Layout_ID text_layout_id);
 typedef Buffer_ID custom_text_layout_get_buffer_type(Application_Links* app, Text_Layout_ID text_layout_id);
-typedef Interval_i64 custom_text_layout_get_visible_range_type(Application_Links* app, Text_Layout_ID text_layout_id);
+typedef Range_i64 custom_text_layout_get_visible_range_type(Application_Links* app, Text_Layout_ID text_layout_id);
 typedef Range_f32 custom_text_layout_line_on_screen_type(Application_Links* app, Text_Layout_ID layout_id, i64 line_number);
 typedef Rect_f32 custom_text_layout_character_on_screen_type(Application_Links* app, Text_Layout_ID layout_id, i64 pos);
 typedef void custom_paint_text_color_type(Application_Links* app, Text_Layout_ID layout_id, Interval_i64 range, FColor color);
@@ -394,7 +394,7 @@ custom_push_buffer_file_name_type *push_buffer_file_name;
 custom_buffer_get_dirty_state_type *buffer_get_dirty_state;
 custom_buffer_set_dirty_state_type *buffer_set_dirty_state;
 custom_buffer_set_layout_type *buffer_set_layout;
-custom_file_clear_layout_cache_type *file_clear_layout_cache;
+custom_buffer_clear_layout_cache_type *buffer_clear_layout_cache;
 custom_buffer_get_layout_type *buffer_get_layout;
 custom_buffer_get_setting_type *buffer_get_setting;
 custom_buffer_set_setting_type *buffer_set_setting;
@@ -572,7 +572,7 @@ internal String_Const_u8 push_buffer_file_name(Application_Links* app, Arena* ar
 internal Dirty_State buffer_get_dirty_state(Application_Links* app, Buffer_ID buffer_id);
 internal b32 buffer_set_dirty_state(Application_Links* app, Buffer_ID buffer_id, Dirty_State dirty_state);
 internal b32 buffer_set_layout(Application_Links* app, Buffer_ID buffer_id, Layout_Function* layout_func);
-internal b32 file_clear_layout_cache(Application_Links* app, Buffer_ID buffer);
+internal b32 buffer_clear_layout_cache(Application_Links* app, Buffer_ID buffer_id);
 internal Layout_Function* buffer_get_layout(Application_Links* app, Buffer_ID buffer_id);
 internal b32 buffer_get_setting(Application_Links* app, Buffer_ID buffer_id, Buffer_Setting_ID setting, i64* value_out);
 internal b32 buffer_set_setting(Application_Links* app, Buffer_ID buffer_id, Buffer_Setting_ID setting, i64 value);
@@ -695,7 +695,7 @@ internal Rect_f32 draw_set_clip(Application_Links* app, Rect_f32 new_clip);
 internal Text_Layout_ID text_layout_create(Application_Links* app, Buffer_ID buffer_id, Rect_f32 rect, Buffer_Point buffer_point);
 internal Rect_f32 text_layout_region(Application_Links* app, Text_Layout_ID text_layout_id);
 internal Buffer_ID text_layout_get_buffer(Application_Links* app, Text_Layout_ID text_layout_id);
-internal Interval_i64 text_layout_get_visible_range(Application_Links* app, Text_Layout_ID text_layout_id);
+internal Range_i64 text_layout_get_visible_range(Application_Links* app, Text_Layout_ID text_layout_id);
 internal Range_f32 text_layout_line_on_screen(Application_Links* app, Text_Layout_ID layout_id, i64 line_number);
 internal Rect_f32 text_layout_character_on_screen(Application_Links* app, Text_Layout_ID layout_id, i64 pos);
 internal void paint_text_color(Application_Links* app, Text_Layout_ID layout_id, Interval_i64 range, FColor color);
@@ -750,7 +750,7 @@ global custom_push_buffer_file_name_type *push_buffer_file_name = 0;
 global custom_buffer_get_dirty_state_type *buffer_get_dirty_state = 0;
 global custom_buffer_set_dirty_state_type *buffer_set_dirty_state = 0;
 global custom_buffer_set_layout_type *buffer_set_layout = 0;
-global custom_file_clear_layout_cache_type *file_clear_layout_cache = 0;
+global custom_buffer_clear_layout_cache_type *buffer_clear_layout_cache = 0;
 global custom_buffer_get_layout_type *buffer_get_layout = 0;
 global custom_buffer_get_setting_type *buffer_get_setting = 0;
 global custom_buffer_set_setting_type *buffer_set_setting = 0;

custom/generated/custom_api_master_list.h

@@ -41,7 +41,7 @@ api(custom) function String_Const_u8 push_buffer_file_name(Application_Links* ap
 api(custom) function Dirty_State buffer_get_dirty_state(Application_Links* app, Buffer_ID buffer_id);
 api(custom) function b32 buffer_set_dirty_state(Application_Links* app, Buffer_ID buffer_id, Dirty_State dirty_state);
 api(custom) function b32 buffer_set_layout(Application_Links* app, Buffer_ID buffer_id, Layout_Function* layout_func);
-api(custom) function b32 file_clear_layout_cache(Application_Links* app, Buffer_ID buffer);
+api(custom) function b32 buffer_clear_layout_cache(Application_Links* app, Buffer_ID buffer_id);
 api(custom) function Layout_Function* buffer_get_layout(Application_Links* app, Buffer_ID buffer_id);
 api(custom) function b32 buffer_get_setting(Application_Links* app, Buffer_ID buffer_id, Buffer_Setting_ID setting, i64* value_out);
 api(custom) function b32 buffer_set_setting(Application_Links* app, Buffer_ID buffer_id, Buffer_Setting_ID setting, i64 value);
@@ -164,7 +164,7 @@ api(custom) function Rect_f32 draw_set_clip(Application_Links* app, Rect_f32 new
 api(custom) function Text_Layout_ID text_layout_create(Application_Links* app, Buffer_ID buffer_id, Rect_f32 rect, Buffer_Point buffer_point);
 api(custom) function Rect_f32 text_layout_region(Application_Links* app, Text_Layout_ID text_layout_id);
 api(custom) function Buffer_ID text_layout_get_buffer(Application_Links* app, Text_Layout_ID text_layout_id);
-api(custom) function Interval_i64 text_layout_get_visible_range(Application_Links* app, Text_Layout_ID text_layout_id);
+api(custom) function Range_i64 text_layout_get_visible_range(Application_Links* app, Text_Layout_ID text_layout_id);
 api(custom) function Range_f32 text_layout_line_on_screen(Application_Links* app, Text_Layout_ID layout_id, i64 line_number);
 api(custom) function Rect_f32 text_layout_character_on_screen(Application_Links* app, Text_Layout_ID layout_id, i64 pos);
 api(custom) function void paint_text_color(Application_Links* app, Text_Layout_ID layout_id, Interval_i64 range, FColor color);