akkartik/view.love - Change ILOA5BYFTQKBSHLFMMZUVPQ2JXBFJD62ERQFBTDK2WSRXUN525VQC

separate data structure for each line's cache data

I have no idea what the performance implications of this are..

Created by Kartik K. Agaram on July 17, 2022

ILOA5BYFTQKBSHLFMMZUVPQ2JXBFJD62ERQFBTDK2WSRXUN525VQC

Dependencies

In channels

main

Change contents

Insertion in undo.lua at line 98 [11.1]

[10.852]

[11.2322]

function patch_placeholders(line_cache, from, to)
  assert(from.start_line == to.start_line)
  for i=from.end_line,from.start_line,-1 do
    table.remove(line_cache, i)
  end
  assert(#to.lines == to.end_line-to.start_line+1)
  for i=1,#to.lines do
    table.insert(line_cache, to.start_line+i-1, {})
  end
end

Insertion in text_tests.lua at line 8 [14.2]
[12.1140]
[13.2]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 22 [14.2]
[12.1660]
[13.29]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 36 [14.2]
[12.2028]
[15.1159]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 50 [14.2]
[12.2355]
[13.56]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 63 [14.2]
[12.2517]
[12.2603]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 75 [14.2]
[12.2764]
[12.2764]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 87 [14.2]
[12.2994]
[12.2994]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 99 [14.2]
[12.3234]
[12.3234]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 112 [14.2]
[12.3600]
[12.3600]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 125 [14.2]
[12.3953]
[12.3953]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 137 [14.2]
[12.4201]
[12.4201]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 149 [14.2]
[12.4489]
[12.4489]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 161 [14.2]
[12.4774]
[12.4774]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 173 [14.2]
[12.5055]
[12.5055]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 185 [14.2]
[12.5358]
[12.5358]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 198 [14.2]
[12.5724]
[12.5724]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 210 [14.2]
[12.5972]
[12.5972]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 222 [14.2]
[12.6248]
[12.6248]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 234 [14.2]
[12.6533]
[12.6533]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 246 [14.2]
[12.6832]
[12.6832]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 260 [14.2]
[12.7193]
[12.7279]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 278 [14.2]
[12.7733]
[12.7819]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 294 [14.2]
[12.8174]
[12.8260]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 312 [14.2]
[12.8548]
[12.8634]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 330 [14.2]
[12.8921]
[12.9007]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 349 [14.2]
[12.9296]
[12.9382]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 368 [14.2]
[12.9710]
[12.9796]
```
  Text.redraw_all(Editor_state)
```
Replacement in text_tests.lua at line 386 [14.2]
∅:D[16.41] → [17.153:190]
∅:D[3.1317] → [17.153:190]
∅:D[18.3364] → [17.153:190]
B:BD[17.153] → [17.153:190]
```
                  --  12345678901234
```
[3.1317]
[12.10027]
```
                               --  12345678901234
```
Insertion in text_tests.lua at line 388 [14.2]
[12.10079]
[12.10165]
```
  Text.redraw_all(Editor_state)
```
Replacement in text_tests.lua at line 410 [14.2]
∅:D[16.81] → [19.259:296]
∅:D[3.1364] → [19.259:296]
∅:D[18.3499] → [19.259:296]
B:BD[19.259] → [19.259:296]
```
                  --  12345678901234
```
[3.1364]
[12.10572]
```
                               --  12345678901234
```
Insertion in text_tests.lua at line 412 [14.2]
[12.10624]
[12.10710]
```
  Text.redraw_all(Editor_state)
```
Replacement in text_tests.lua at line 432 [14.2]
∅:D[16.121] → [17.1053:1090]
∅:D[3.1411] → [17.1053:1090]
∅:D[18.3634] → [17.1053:1090]
B:BD[17.1053] → [17.1053:1090]
```
                  --  12345678901234
```
[3.1411]
[12.11159]
```
                               --  12345678901234
```
Insertion in text_tests.lua at line 434 [14.2]
[12.11211]
[12.11297]
```
  Text.redraw_all(Editor_state)
```
Replacement in text_tests.lua at line 457 [14.2]
∅:D[16.161] → [20.216:253]
∅:D[3.1458] → [20.216:253]
∅:D[18.3769] → [20.216:253]
B:BD[20.216] → [20.216:253]
```
                  --  12345678901234
```
[3.1458]
[12.11707]
```
                               --  12345678901234
```
Insertion in text_tests.lua at line 459 [14.2]
[12.11797]
[12.11883]
```
  Text.redraw_all(Editor_state)
```

Replacement in text_tests.lua at line 482 [14.2]

∅:D[16.202] → [21.248:335]

∅:D[3.1505] → [21.248:335]

∅:D[18.3904] → [21.248:335]

B:BD[21.248] → [21.248:335]

                   -- 0        1         2
                   -- 123456789012345678901

[3.1505]

[12.12305]

                                -- 0        1         2
                                -- 123456789012345678901

Insertion in text_tests.lua at line 485 [14.2]
[12.12387]
[12.12473]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 505 [14.2]
[12.12811]
[12.12897]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 528 [14.2]
[12.13377]
[12.13463]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 547 [14.2]
[12.13882]
[12.13968]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 565 [14.2]
[12.14257]
[12.14343]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 588 [14.2]
[12.14744]
[12.14830]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 607 [14.2]
[12.15118]
[12.15204]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 626 [14.2]
[12.15485]
[12.15571]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 647 [14.2]
[12.15886]
[12.15972]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 672 [14.2]
[12.16484]
[12.16570]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 695 [14.2]
[12.16927]
[12.17013]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 725 [14.2]
[12.17693]
[12.17779]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 743 [14.2]
[12.18411]
[12.18497]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 773 [14.2]
[12.19148]
[12.19234]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 791 [14.2]
[12.19959]
[12.20045]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 812 [14.2]
[12.20887]
[12.20973]
```
  Text.redraw_all(Editor_state)
```

Insertion in text_tests.lua at line 837 [14.2]

[12.22029]

[12.22115]

  Text.redraw_all(Editor_state)
  Text.redraw_all(Editor_state)

Insertion in text_tests.lua at line 869 [14.2]
[12.23485]
[12.23571]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 886 [14.2]
[12.23856]
[12.23942]
```
  Text.redraw_all(Editor_state)
```

Replacement in text_tests.lua at line 913 [14.2]

∅:D[12.24493] → [14.7349:7514]

B:BD[14.7349] → [14.7349:7514]

                     '```lines', '```',   -- height 25
                     'def',               -- height 15
                     'ghi'}               -- height 15

[12.24493]

[12.24580]

                                  '```lines', '```',   -- height 25
                                  'def',               -- height 15
                                  'ghi'}               -- height 15
  Text.redraw_all(Editor_state)

Insertion in text_tests.lua at line 942 [14.2]
[12.25218]
[12.25304]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 973 [14.2]
[12.26242]
[12.26328]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 1001 [14.2]
[12.26974]
[12.27060]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 1032 [14.2]
[12.27633]
[12.27719]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 1061 [14.2]
[12.28383]
[12.28469]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 1091 [14.2]
[12.29257]
[12.29343]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 1120 [14.2]
[12.30215]
[12.30301]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 1155 [14.2]
[12.31474]
[12.31560]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 1185 [14.2]
[12.32129]
[12.32215]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 1214 [14.2]
[12.32871]
[12.32957]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 1243 [14.2]
[12.33805]
[12.33891]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 1274 [14.2]
[12.34719]
[12.34805]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 1302 [14.2]
[12.35390]
[12.35476]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 1328 [14.2]
[12.36010]
[12.36096]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 1358 [14.2]
[12.36943]
[12.37029]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 1386 [14.2]
[12.37775]
[12.37861]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 1416 [14.2]
[12.38619]
[12.38705]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 1440 [14.2]
[12.39419]
[12.39505]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 1460 [14.2]
[12.40196]
[12.40282]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 1492 [14.2]
[12.41047]
[12.41133]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 1522 [14.2]
[12.41978]
[12.42064]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 1553 [14.2]
[12.42848]
[12.42934]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 1583 [14.2]
[12.43755]
[12.43841]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 1614 [14.2]
[12.44540]
[12.44626]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 1649 [14.2]
[12.45404]
[12.45490]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 1679 [14.2]
[12.46130]
[12.46216]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 1709 [14.2]
[12.47034]
[12.47120]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 1726 [14.2]
[12.47386]
[12.47472]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 1746 [14.2]
[12.48048]
[12.48134]
```
  Text.redraw_all(Editor_state)
```
Deletion in text_tests.lua at line 1764 [14.2]
B:BD[3.3992] → [3.3992:4038]
```
  Editor_state = edit.initialize_test_state()
```
Insertion in text_tests.lua at line 1765 [14.2]
[12.48742]
[12.48828]
```
  Text.redraw_all(Editor_state)
```
Deletion in text_tests.lua at line 1784 [14.2]
B:BD[3.4085] → [3.4085:4131]
```
  Editor_state = edit.initialize_test_state()
```
Insertion in text_tests.lua at line 1785 [14.2]
[12.49522]
[12.49608]
```
  Text.redraw_all(Editor_state)
```
Deletion in text_tests.lua at line 1804 [14.2]
B:BD[3.4178] → [3.4178:4224]
```
  Editor_state = edit.initialize_test_state()
```
Insertion in text_tests.lua at line 1805 [14.2]
[12.50285]
[12.50371]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 1824 [14.2]
[12.50970]
[12.51056]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 1860 [14.2]
[12.52146]
[12.52232]
```
  Text.redraw_all(Editor_state)
```
Insertion in text_tests.lua at line 1899 [14.2]
[12.53489]
[12.53575]
```
  Text.redraw_all(Editor_state)
```

Replacement in text.lua at line 15 [23.1]

B:BD[22.81] → [9.215:260]

  line.starty = y
  line.startpos = startpos

[22.81]

[24.1747]

  local line_cache = State.text_line_cache[line_index]
  line_cache.starty = y
  line_cache.startpos = startpos

Replacement in text.lua at line 22 [23.1]
∅:D[25.141] → [24.1818:1850]
B:BD[24.1818] → [24.1818:1850]
```
  if line.fragments == nil then
```
[25.141]
[7.3]
```
  if line_cache.fragments == nil then
```
Replacement in text.lua at line 27 [23.1]
∅:D[26.19] → [24.1901:1941]
∅:D[27.39] → [24.1901:1941]
∅:D[28.64] → [24.1901:1941]
∅:D[29.75] → [24.1901:1941]
B:BD[24.1901] → [24.1901:1941]
```
  for _, f in ipairs(line.fragments) do
```
[26.19]
[24.1941]
```
  for _, f in ipairs(line_cache.fragments) do
```
Replacement in text.lua at line 99 [23.1]
∅:D[30.46] → [31.51:73]
∅:D[32.141] → [31.51:73]
∅:D[7.186] → [31.51:73]
∅:D[16.1209] → [31.51:73]
∅:D[33.3803] → [31.51:73]
∅:D[34.6702] → [31.51:73]
B:BD[31.51] → [31.51:73]
```
  line.fragments = {}
```
[7.186]
[7.187]
```
  local line_cache = State.text_line_cache[line_index]
  line_cache.fragments = {}
```

Replacement in text.lua at line 125 [23.1]

B:BD[31.1082] → [31.1082:1152]

          table.insert(line.fragments, {data=frag1, text=frag1_text})

[31.1082]

[35.1161]

          table.insert(line_cache.fragments, {data=frag1, text=frag1_text})

Replacement in text.lua at line 135 [23.1]

B:BD[31.1485] → [31.1485:1549]

      table.insert(line.fragments, {data=frag, text=frag_text})

[31.1485]

[31.1549]

      table.insert(line_cache.fragments, {data=frag, text=frag_text})

Insertion in text.lua at line 210 [23.1]

[36.2145]

[37.2728]

        table.remove(State.text_line_cache, State.cursor1.line-1)

Insertion in text.lua at line 216 [23.1]

[36.2405]

[37.2948]

        table.remove(State.text_line_cache, State.cursor1.line)

Replacement in text.lua at line 254 [23.1]
B:BD[36.3907] → [36.3907:4029]
∅:D[38.3469] → [37.3743:3754]
∅:D[36.4029] → [37.3743:3754]
∅:D[12.61894] → [37.3743:3754]
B:BD[37.3743] → [37.3743:3754]
```
      if State.lines[State.cursor1.line+1].mode == 'drawing' then
        table.remove(State.lines, State.cursor1.line+1)
      else
```
[36.3907]
[37.3754]
```
      if State.lines[State.cursor1.line+1].mode == 'text' then
```
Deletion in text.lua at line 257 [23.1]
B:BD[36.4154] → [36.4154:4210]
```
        table.remove(State.lines, State.cursor1.line+1)
```

Insertion in text.lua at line 258 [23.1]

[37.3914]

      table.remove(State.lines, State.cursor1.line+1)
      table.remove(State.text_line_cache, State.cursor1.line+1)

Insertion in text.lua at line 352 [23.1]

[39.2281]

  table.insert(State.text_line_cache, State.cursor1.line+1, {})

Deletion in text.lua at line 355 [23.1]
B:BD[4.242] → [4.242:302]
```
  Text.clear_screen_line_cache(State, State.cursor1.line+1)
```

Replacement in text.lua at line 424 [23.1]

B:BD[40.937] → [39.4276:4374]

        local screen_line_starting_pos = State.lines[State.cursor1.line].screen_line_starting_pos

[40.937]

[40.1023]

        local screen_line_starting_pos = State.text_line_cache[State.cursor1.line].screen_line_starting_pos

Replacement in text.lua at line 446 [23.1]

B:BD[40.1956] → [39.5098:5211]

    new_screen_line_starting_pos = State.lines[State.cursor1.line].screen_line_starting_pos[screen_line_index-1]

[40.1956]

[40.2057]

    new_screen_line_starting_pos = State.text_line_cache[State.cursor1.line].screen_line_starting_pos[screen_line_index-1]

Replacement in text.lua at line 489 [23.1]

∅:D[41.233] → [39.6767:6880]

∅:D[42.1605] → [39.6767:6880]

B:BD[43.219] → [39.6767:6880]

    new_screen_line_starting_pos = State.lines[State.cursor1.line].screen_line_starting_pos[screen_line_index+1]

[42.1605]

[40.4192]

    new_screen_line_starting_pos = State.text_line_cache[State.cursor1.line].screen_line_starting_pos[screen_line_index+1]

Replacement in text.lua at line 626 [23.1]

∅:D[44.351] → [41.617:768]

∅:D[42.2442] → [41.617:768]

B:BD[41.617] → [41.617:768]

  for i=#State.lines[State.cursor1.line].screen_line_starting_pos,1,-1 do
    local spos = State.lines[State.cursor1.line].screen_line_starting_pos[i]

[44.351]

[41.768]

  for i=#State.text_line_cache[State.cursor1.line].screen_line_starting_pos,1,-1 do
    local spos = State.text_line_cache[State.cursor1.line].screen_line_starting_pos[i]

Replacement in text.lua at line 637 [23.1]

∅:D[44.420] → [45.1960:2040]

∅:D[42.2591] → [45.1960:2040]

B:BD[45.1960] → [45.1960:2040]

  local screen_lines = State.lines[State.cursor1.line].screen_line_starting_pos

[44.420]

[45.2040]

  local screen_lines = State.text_line_cache[State.cursor1.line].screen_line_starting_pos

Insertion in text.lua at line 656 [23.1]
[45.2737]
[46.402]
```
    table.insert(State.text_line_cache, {})
```
Replacement in text.lua at line 703 [23.1]
∅:D[47.36] → [19.1014:1085]
∅:D[48.48] → [19.1014:1085]
∅:D[49.88] → [19.1014:1085]
∅:D[42.2924] → [19.1014:1085]
∅:D[45.3927] → [19.1014:1085]
B:BD[50.47] → [19.1014:1085]
```
  if line.starty == nil then return false end  -- outside current page
```
[49.88]
[42.2925]
```
  local line_cache = State.text_line_cache[line_index]
  if line_cache.starty == nil then return false end  -- outside current page
```
Replacement in text.lua at line 706 [23.1]
∅:D[48.85] → [19.1086:1129]
∅:D[42.2967] → [19.1086:1129]
B:BD[51.2385] → [19.1086:1129]
```
  if y < line.starty then return false end
```
[42.2967]
[44.421]
```
  if y < line_cache.starty then return false end
```

Replacement in text.lua at line 708 [23.1]

B:BD[44.481] → [6.3:156]

  return y < line.starty + State.line_height*(#line.screen_line_starting_pos - Text.screen_line_index(line.screen_line_starting_pos, line.startpos) + 1)

[44.481]

[52.95]

  return y < line_cache.starty + State.line_height*(#line_cache.screen_line_starting_pos - Text.screen_line_index(line_cache.screen_line_starting_pos, line_cache.startpos) + 1)

Replacement in text.lua at line 714 [23.1]
∅:D[53.59] → [54.3:35]
∅:D[5.98] → [54.3:35]
∅:D[20.1358] → [54.3:35]
∅:D[16.1810] → [54.3:35]
∅:D[42.3091] → [54.3:35]
∅:D[45.4120] → [54.3:35]
∅:D[33.4536] → [54.3:35]
B:BD[55.628] → [54.3:35]
```
  if line.fragments == nil then
```
[5.98]
[7.733]
```
  local line_cache = State.text_line_cache[line_index]
  if line_cache.fragments == nil then
```
Replacement in text.lua at line 718 [23.1]
B:BD[54.86] → [19.1253:1281]
```
  assert(my >= line.starty)
```
[54.86]
[55.863]
```
  assert(my >= line_cache.starty)
```

Replacement in text.lua at line 720 [23.1]

B:BD[55.904] → [19.1282:1306]

B:BD[19.1306] → [6.157:260]

∅:D[6.260] → [19.1384:1554]

B:BD[19.1384] → [19.1384:1554]

  local y = line.starty
  local start_screen_line_index = Text.screen_line_index(line.screen_line_starting_pos, line.startpos)
  for screen_line_index = start_screen_line_index,#line.screen_line_starting_pos do
    local screen_line_starting_pos = line.screen_line_starting_pos[screen_line_index]

[55.904]

[19.1554]

  local y = line_cache.starty
  local start_screen_line_index = Text.screen_line_index(line_cache.screen_line_starting_pos, line_cache.startpos)
  for screen_line_index = start_screen_line_index,#line_cache.screen_line_starting_pos do
    local screen_line_starting_pos = line_cache.screen_line_starting_pos[screen_line_index]

Replacement in text.lua at line 731 [23.1]

B:BD[27.352] → [8.3:138]

      if screen_line_index < #line.screen_line_starting_pos and mx > Text.screen_line_width(State, line_index, screen_line_index) then

[27.352]

[20.1479]

      if screen_line_index < #line_cache.screen_line_starting_pos and mx > Text.screen_line_width(State, line_index, screen_line_index) then

Replacement in text.lua at line 733 [23.1]

B:BD[20.1535] → [17.1876:1944]

        return line.screen_line_starting_pos[screen_line_index+1]-1

[20.1535]

[27.528]

        return line_cache.screen_line_starting_pos[screen_line_index+1]-1

Replacement in text.lua at line 746 [23.1]

∅:D[8.232] → [21.1093:1146]

B:BD[21.1093] → [21.1093:1146]

  local start_pos = line.screen_line_starting_pos[i]

[8.232]

[21.1146]

  local line_cache = State.text_line_cache[line_index]
  local start_pos = line_cache.screen_line_starting_pos[i]

Replacement in text.lua at line 750 [23.1]

B:BD[21.1223] → [21.1223:1328]

  if i < #line.screen_line_starting_pos then
    local past_end_pos = line.screen_line_starting_pos[i+1]

[21.1223]

[21.1328]

  if i < #line_cache.screen_line_starting_pos then
    local past_end_pos = line_cache.screen_line_starting_pos[i+1]

Replacement in text.lua at line 854 [23.1]

∅:D[44.541] → [45.4336:4469]

∅:D[42.3516] → [45.4336:4469]

B:BD[45.4336] → [45.4336:4469]

  for i=#State.lines[pos1.line].screen_line_starting_pos,1,-1 do
    local spos = State.lines[pos1.line].screen_line_starting_pos[i]

[44.541]

[56.352]

  for i=#State.text_line_cache[pos1.line].screen_line_starting_pos,1,-1 do
    local spos = State.text_line_cache[pos1.line].screen_line_starting_pos[i]

Replacement in text.lua at line 869 [23.1]

B:BD[38.8326] → [45.4502:4607]

    result.pos = State.lines[pos2.line].screen_line_starting_pos[pos2.screen_line] + pos2.screen_pos - 1

[38.8326]

[38.8421]

    result.pos = State.text_line_cache[pos2.line].screen_line_starting_pos[pos2.screen_line] + pos2.screen_pos - 1

Replacement in text.lua at line 918 [23.1]

∅:D[44.605] → [45.4849:4957]

∅:D[42.3660] → [45.4849:4957]

B:BD[45.4849] → [45.4849:4957]

    return {line=pos2.line-1, screen_line=#State.lines[pos2.line-1].screen_line_starting_pos, screen_pos=1}

[44.605]

[57.1960]

    return {line=pos2.line-1, screen_line=#State.text_line_cache[pos2.line-1].screen_line_starting_pos, screen_pos=1}

Replacement in text.lua at line 924 [23.1]
∅:D[58.604] → [59.70:110]
∅:D[44.712] → [59.70:110]
∅:D[60.796] → [59.70:110]
B:BD[61.2283] → [59.70:110]
```
  if line.screen_line_starting_pos then
```
[44.712]
[59.110]
```
  local line_cache = State.text_line_cache[line_index]
  if line_cache.screen_line_starting_pos then
```
Replacement in text.lua at line 929 [23.1]
∅:D[59.168] → [61.2283:2315]
B:BD[61.2283] → [61.2283:2315]
```
  if line.fragments == nil then
```
[59.168]
[7.780]
```
  if line_cache.fragments == nil then
```
Replacement in text.lua at line 932 [23.1]
B:BD[61.2366] → [62.91:129]
```
  line.screen_line_starting_pos = {1}
```
[61.2366]
[44.772]
```
  line_cache.screen_line_starting_pos = {1}
```
Replacement in text.lua at line 935 [23.1]
B:BD[61.2397] → [61.2397:2437]
```
  for _, f in ipairs(line.fragments) do
```
[61.2397]
[61.2437]
```
  for _, f in ipairs(line_cache.fragments) do
```
Replacement in text.lua at line 941 [23.1]
∅:D[44.858] → [62.194:249]
∅:D[60.865] → [62.194:249]
∅:D[51.2589] → [62.194:249]
B:BD[62.194] → [62.194:249]
```
      table.insert(line.screen_line_starting_pos, pos)
```
[44.858]
[61.2818]
```
      table.insert(line_cache.screen_line_starting_pos, pos)
```

Replacement in text.lua at line 955 [23.1]

∅:D[58.652] → [63.221:314]

∅:D[60.926] → [63.221:314]

∅:D[42.3783] → [63.221:314]

B:BD[63.221] → [63.221:314]

  for i=2,#line.screen_line_starting_pos do
    local pos = line.screen_line_starting_pos[i]

[45.5176]

[45.5177]

  local line_cache = State.text_line_cache[State.screen_top1.line]
  for i=2,#line_cache.screen_line_starting_pos do
    local pos = line_cache.screen_line_starting_pos[i]

Replacement in text.lua at line 963 [23.1]

B:BD[63.462] → [63.462:516]

      local prev = line.screen_line_starting_pos[i-1]

[63.462]

[45.5260]

      local prev = line_cache.screen_line_starting_pos[i-1]

Replacement in text.lua at line 1000 [23.1]

B:BD[56.732] → [4.303:351]

∅:D[4.351] → [19.1828:1874]

∅:D[45.5951] → [19.1828:1874]

∅:D[12.78621] → [19.1828:1874]

B:BD[64.4058] → [19.1828:1874]

B:BD[19.1874] → [4.352:404]

  for line_index,line in ipairs(State.lines) do
    line.starty = nil
    line.startpos = nil
    Text.clear_screen_line_cache(State, line_index)

[56.732]

[61.2910]

  State.text_line_cache = {}
  for i=1,#State.lines do
    State.text_line_cache[i] = {}

Replacement in text.lua at line 1007 [23.1]

B:BD[4.462] → [4.462:561]

  State.lines[line_index].fragments = nil
  State.lines[line_index].screen_line_starting_pos = nil

[4.462]

[65.438]

  State.text_line_cache[line_index].fragments = nil
  State.text_line_cache[line_index].screen_line_starting_pos = nil

Insertion in select.lua at line 152 [14.43980]
[66.2984]
[14.47774]
```
    table.remove(State.text_line_cache, i)
```
Insertion in main.lua at line 42 [67.2]
[12.85408]
[12.85408]
```
    Text.redraw_all(Editor_state)
```
Insertion in main.lua at line 53 [67.2]
[12.85649]
[12.85649]
```
    Text.redraw_all(Editor_state)
```

Deletion in edit.lua at line 41 [68.413]

B:BD[12.94636] → [12.94636:94715]

B:BD[12.94715] → [22.119:300]

∅:D[22.300] → [12.94715:94918]

B:BD[12.94715] → [12.94715:94918]

    --    some cached data that's blown away and recomputed when data changes:
    --      startpos, the index of data the line starts rendering from (if currently on screen), can only be >1 for topmost line on screen
    --      starty, the y coord in pixels
    --      fragments: snippets of rendered love.graphics.Text, guaranteed to not wrap
    --      screen_line_starting_pos: optional array of grapheme indices if it wraps over more than one screen line

Replacement in edit.lua at line 57 [68.413]

B:BD[12.95767] → [12.95767:95805]

    lines = {{mode='text', data=''}},

[12.95767]

[68.1993]

    lines = {{mode='text', data=''}},  -- array of lines

Replacement in edit.lua at line 61 [68.413]

B:BD[12.95916] → [12.95916:96009]

    --
    -- Therefore, any potential location for the cursor can be described in two ways:

[12.95916]

[12.96009]


    -- rendering wrapped text lines needs some additional short-lived data per line:
    --   startpos, the index of data the line starts rendering from, can only be >1 for topmost line on screen
    --   starty, the y coord in pixels the line starts rendering from
    --   fragments: snippets of rendered love.graphics.Text, guaranteed to not straddle screen lines
    --   screen_line_starting_pos: optional array of grapheme indices if it wraps over more than one screen line
    text_line_cache = {},
    -- Given wrapping, any potential location for the text cursor can be described in two ways:

Insertion in edit.lua at line 124 [68.413]
[13.2826]
[13.2826]
```
  assert(#State.lines == #State.text_line_cache)
```

Insertion in edit.lua at line 147 [68.413]

[69.609]

                       table.insert(State.text_line_cache, line_index, {})

Insertion in edit.lua at line 350 [68.413]

[13.8139]

[2.15]

      patch_placeholders(State.text_line_cache, event.after, event.before)

Insertion in drawing_tests.lua at line 11 [70.15]
[12.106007]
[13.9644]
```
  Text.redraw_all(Editor_state)
```
Insertion in drawing_tests.lua at line 32 [70.15]
[12.106265]
[12.106265]
```
  Text.redraw_all(Editor_state)
```
Insertion in drawing_tests.lua at line 59 [70.15]
[12.107100]
[12.107100]
```
  Text.redraw_all(Editor_state)
```
Insertion in drawing_tests.lua at line 78 [70.15]
[12.107305]
[12.107305]
```
  Text.redraw_all(Editor_state)
```
Insertion in drawing_tests.lua at line 107 [70.15]
[12.108303]
[12.108303]
```
  Text.redraw_all(Editor_state)
```
Insertion in drawing_tests.lua at line 137 [70.15]
[12.109415]
[12.109415]
```
  Text.redraw_all(Editor_state)
```
Insertion in drawing_tests.lua at line 160 [70.15]
[12.110374]
[12.110374]
```
  Text.redraw_all(Editor_state)
```
Insertion in drawing_tests.lua at line 177 [70.15]
[12.110830]
[12.110830]
```
  Text.redraw_all(Editor_state)
```
Insertion in drawing_tests.lua at line 206 [70.15]
[12.111965]
[12.111965]
```
  Text.redraw_all(Editor_state)
```
Insertion in drawing_tests.lua at line 238 [70.15]
[12.113028]
[13.9860]
```
  Text.redraw_all(Editor_state)
```
Insertion in drawing_tests.lua at line 277 [70.15]
[12.114146]
[13.9887]
```
  Text.redraw_all(Editor_state)
```
Insertion in drawing_tests.lua at line 322 [70.15]
[12.115386]
[13.9914]
```
  Text.redraw_all(Editor_state)
```
Insertion in drawing_tests.lua at line 359 [70.15]
[12.116581]
[13.9941]
```
  Text.redraw_all(Editor_state)
```
Insertion in drawing_tests.lua at line 404 [70.15]
[12.117835]
[12.117835]
```
  Text.redraw_all(Editor_state)
```
Insertion in drawing_tests.lua at line 437 [70.15]
[12.118480]
[12.118480]
```
  Text.redraw_all(Editor_state)
```
Insertion in drawing_tests.lua at line 449 [70.15]
[12.118741]
[12.118741]
```
  Text.redraw_all(Editor_state)
```
Insertion in drawing_tests.lua at line 469 [70.15]
[12.119131]
[12.119131]
```
  Text.redraw_all(Editor_state)
```
Insertion in drawing_tests.lua at line 496 [70.15]
[12.119696]
[12.119696]
```
  Text.redraw_all(Editor_state)
```
Insertion in drawing_tests.lua at line 509 [70.15]
[12.119957]
[12.119957]
```
  Text.redraw_all(Editor_state)
```
Insertion in drawing_tests.lua at line 536 [70.15]
[12.120698]
[12.120698]
```
  Text.redraw_all(Editor_state)
```
Insertion in drawing_tests.lua at line 557 [70.15]
[12.121440]
[12.121440]
```
  Text.redraw_all(Editor_state)
```
Insertion in drawing_tests.lua at line 567 [70.15]
[12.121689]
[12.121689]
```
  Text.redraw_all(Editor_state)
```
Insertion in drawing_tests.lua at line 592 [70.15]
[12.122534]
[12.122534]
```
  Text.redraw_all(Editor_state)
```
Insertion in drawing_tests.lua at line 624 [70.15]
[12.123352]
[12.123352]
```
  Text.redraw_all(Editor_state)
```
Insertion in drawing_tests.lua at line 653 [70.15]
[12.124094]
[12.124094]
```
  Text.redraw_all(Editor_state)
```
Insertion in drawing_tests.lua at line 691 [70.15]
[12.124869]
[12.124869]
```
  Text.redraw_all(Editor_state)
```
Insertion in drawing_tests.lua at line 703 [70.15]
[12.125130]
[12.125130]
```
  Text.redraw_all(Editor_state)
```
Insertion in drawing_tests.lua at line 742 [70.15]
[12.125956]
[12.125956]
```
  Text.redraw_all(Editor_state)
```
Insertion in drawing_tests.lua at line 755 [70.15]
[12.126217]
[12.126217]
```
  Text.redraw_all(Editor_state)
```
Insertion in drawing_tests.lua at line 783 [70.15]
[12.127083]
[12.127083]
```
  Text.redraw_all(Editor_state)
```

separate data structure for each line's cache data

Dependencies

In channels

Change contents

Insertion in undo.lua at line 98 [11.1]

Insertion in text_tests.lua at line 8 [14.2]

Insertion in text_tests.lua at line 22 [14.2]

Insertion in text_tests.lua at line 36 [14.2]

Insertion in text_tests.lua at line 50 [14.2]

Insertion in text_tests.lua at line 63 [14.2]

Insertion in text_tests.lua at line 75 [14.2]

Insertion in text_tests.lua at line 87 [14.2]

Insertion in text_tests.lua at line 99 [14.2]

Insertion in text_tests.lua at line 112 [14.2]

Insertion in text_tests.lua at line 125 [14.2]

Insertion in text_tests.lua at line 137 [14.2]

Insertion in text_tests.lua at line 149 [14.2]

Insertion in text_tests.lua at line 161 [14.2]

Insertion in text_tests.lua at line 173 [14.2]

Insertion in text_tests.lua at line 185 [14.2]

Insertion in text_tests.lua at line 198 [14.2]

Insertion in text_tests.lua at line 210 [14.2]

Insertion in text_tests.lua at line 222 [14.2]

Insertion in text_tests.lua at line 234 [14.2]

Insertion in text_tests.lua at line 246 [14.2]

Insertion in text_tests.lua at line 260 [14.2]

Insertion in text_tests.lua at line 278 [14.2]

Insertion in text_tests.lua at line 294 [14.2]

Insertion in text_tests.lua at line 312 [14.2]

Insertion in text_tests.lua at line 330 [14.2]

Insertion in text_tests.lua at line 349 [14.2]

Insertion in text_tests.lua at line 368 [14.2]

Replacement in text_tests.lua at line 386 [14.2]

Insertion in text_tests.lua at line 388 [14.2]

Replacement in text_tests.lua at line 410 [14.2]

Insertion in text_tests.lua at line 412 [14.2]

Replacement in text_tests.lua at line 432 [14.2]

Insertion in text_tests.lua at line 434 [14.2]

Replacement in text_tests.lua at line 457 [14.2]

Insertion in text_tests.lua at line 459 [14.2]

Replacement in text_tests.lua at line 482 [14.2]

Insertion in text_tests.lua at line 485 [14.2]

Insertion in text_tests.lua at line 505 [14.2]

Insertion in text_tests.lua at line 528 [14.2]

Insertion in text_tests.lua at line 547 [14.2]

Insertion in text_tests.lua at line 565 [14.2]

Insertion in text_tests.lua at line 588 [14.2]

Insertion in text_tests.lua at line 607 [14.2]

Insertion in text_tests.lua at line 626 [14.2]

Insertion in text_tests.lua at line 647 [14.2]

Insertion in text_tests.lua at line 672 [14.2]

Insertion in text_tests.lua at line 695 [14.2]

Insertion in text_tests.lua at line 725 [14.2]

Insertion in text_tests.lua at line 743 [14.2]

Insertion in text_tests.lua at line 773 [14.2]

Insertion in text_tests.lua at line 791 [14.2]

Insertion in text_tests.lua at line 812 [14.2]

Insertion in text_tests.lua at line 837 [14.2]

Insertion in text_tests.lua at line 869 [14.2]

Insertion in text_tests.lua at line 886 [14.2]

Replacement in text_tests.lua at line 913 [14.2]

Insertion in text_tests.lua at line 942 [14.2]

Insertion in text_tests.lua at line 973 [14.2]

Insertion in text_tests.lua at line 1001 [14.2]

Insertion in text_tests.lua at line 1032 [14.2]

Insertion in text_tests.lua at line 1061 [14.2]

Insertion in text_tests.lua at line 1091 [14.2]

Insertion in text_tests.lua at line 1120 [14.2]

Insertion in text_tests.lua at line 1155 [14.2]

Insertion in text_tests.lua at line 1185 [14.2]

Insertion in text_tests.lua at line 1214 [14.2]

Insertion in text_tests.lua at line 1243 [14.2]

Insertion in text_tests.lua at line 1274 [14.2]

Insertion in text_tests.lua at line 1302 [14.2]

Insertion in text_tests.lua at line 1328 [14.2]

Insertion in text_tests.lua at line 1358 [14.2]

Insertion in text_tests.lua at line 1386 [14.2]

Insertion in text_tests.lua at line 1416 [14.2]

Insertion in text_tests.lua at line 1440 [14.2]

Insertion in text_tests.lua at line 1460 [14.2]