host: the core owns the event loop; every platform becomes a vtable of optional methods

1 files changed, 60 insertions, 60 deletions

diff --git a/test/snapshots/look-file.golden b/test/snapshots/look-file.golden
index d443823d..368d2f70 100644
--- a/test/snapshots/look-file.golden
+++ b/test/snapshots/look-file.golden
@@ -1,62 +1,62 @@
-== snap file-open grid=150x30 cursor=7,16
-|New Newcol Find Grep Help Tutor Dump NextColor Debug Kill
-|  /tmp/pardes-snap/look-file/cwd/big.t  /tmp/pardes-snap/look-file/cwd New   /tmp/pardes-snap/look-file/cwd         New Del Filter
-|    26 line 26                          ls                                   ls
-|    27 line 27                          big.txt                              big.txt
-|    28 line 28
-|    29 line 29
-|    30 line 30
-|    31 line 31                            big.txt:40
-|    32 line 32
-|    33 line 33
-|    34 line 34
-|    35 line 35
-|    36 line 36
-|    37 line 37
-|    38 line 38
+== snap file-open grid=150x30 cursor=7,5
+|New Newcol Joincol Find Grep Help Changelog Tutor Dump NextColor Debug Kill
+|  /tmp/pardes-snap/look-file/cwd/big.txt Save New Newtty Del                 /tmp/pardes-snap/look-file/cwd  New Newtty Del Filter
+|    37 line 37                                                               ls
+|    38 line 38                                                               big.txt
 |    39 line 39
-|    40 line 40                          /tmp/pardes-snap/look-file/cwd New
-|    41 line 41                          ls
-|    42 line 42                          big.txt
-|    43 line 43
-|    44 line 44
-|    45 line 45
-|    46 line 46
-|    47 line 47
-|    48 line 48
-|    49 line 49
-|    50 line 50
-|    51 line 51
-|    52 line 52
-|    53 line 53
+|    40 line 40
+|    41 line 41
+|╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌
+|  /tmp/pardes-snap/look-file/cwd       New Newtty Del Filter
+|  ls
+|  big.txt
+|
+|
+|
+|    big.txt:40
+|
+|  /tmp/pardes-snap/look-file/cwd       New Newtty Del Filter
+|  ls
+|  big.txt
+|
+|
+|
+|
+|
+|
+|
+|
+|
+|
+|
 == style file-open
-|0: 0-56 #949494,#121212, 57-149 d,#121212,
-|1: 0-1 #ffffff,#626262, 2-37 #949494,#121212, 38-39 #ffffff,#262626, 40-74 #949494,#121212, 75-76 #ffffff,#262626, 77-129 #949494,#121212, 130-149 d,#121212,
-|2: 0-0 d,#121212, 1-1 d,#080808, 2-6 #626262,#080808, 7-13 #bdbdbd,#080808, 14-37 d,#080808, 38-38 d,#444444, 39-39 d,#080808, 40-74 #bdbdbd,#080808, 75-75 d,#444444, 76-76 d,#080808, 77-149 #bdbdbd,#080808,
-|3: 0-0 d,#121212, 1-1 d,#080808, 2-6 #626262,#080808, 7-13 #bdbdbd,#080808, 14-37 d,#080808, 38-38 d,#444444, 39-39 d,#080808, 40-74 #bdbdbd,#080808, 75-75 d,#444444, 76-76 d,#080808, 77-149 #bdbdbd,#080808,
-|4: 0-0 d,#121212, 1-1 d,#080808, 2-6 #626262,#080808, 7-13 #bdbdbd,#080808, 14-37 d,#080808, 38-38 d,#444444, 39-39 d,#080808, 40-74 #bdbdbd,#080808, 75-75 d,#444444, 76-76 d,#080808, 77-149 #bdbdbd,#080808,
-|5: 0-0 d,#121212, 1-1 d,#080808, 2-6 #626262,#080808, 7-13 #bdbdbd,#080808, 14-37 d,#080808, 38-38 d,#444444, 39-39 d,#080808, 40-74 #bdbdbd,#080808, 75-75 d,#444444, 76-76 d,#080808, 77-149 #bdbdbd,#080808,
-|6: 0-0 d,#121212, 1-1 d,#080808, 2-6 #626262,#080808, 7-13 #bdbdbd,#080808, 14-37 d,#080808, 38-38 d,#444444, 39-39 d,#080808, 40-74 #bdbdbd,#080808, 75-75 d,#444444, 76-76 d,#080808, 77-149 #bdbdbd,#080808,
-|7: 0-0 d,#121212, 1-1 d,#080808, 2-6 #626262,#080808, 7-13 #bdbdbd,#080808, 14-37 d,#080808, 38-38 d,#444444, 39-39 d,#080808, 40-51 #bdbdbd,#080808, 52-74 d,#080808, 75-75 d,#444444, 76-76 d,#080808, 77-149 #bdbdbd,#080808,
-|8: 0-0 d,#121212, 1-1 d,#080808, 2-6 #626262,#080808, 7-13 #bdbdbd,#080808, 14-37 d,#080808, 38-38 d,#444444, 39-39 d,#080808, 40-74 #bdbdbd,#080808, 75-75 d,#444444, 76-76 d,#080808, 77-149 #bdbdbd,#080808,
-|9: 0-0 d,#121212, 1-1 d,#080808, 2-6 #626262,#080808, 7-13 #bdbdbd,#080808, 14-37 d,#080808, 38-38 d,#444444, 39-39 d,#080808, 40-74 #bdbdbd,#080808, 75-75 d,#444444, 76-76 d,#080808, 77-149 #bdbdbd,#080808,
-|10: 0-0 d,#121212, 1-1 d,#080808, 2-6 #626262,#080808, 7-13 #bdbdbd,#080808, 14-37 d,#080808, 38-38 d,#444444, 39-39 d,#080808, 40-74 #bdbdbd,#080808, 75-75 d,#444444, 76-76 d,#080808, 77-149 #bdbdbd,#080808,
-|11: 0-0 d,#121212, 1-1 d,#080808, 2-6 #626262,#080808, 7-13 #bdbdbd,#080808, 14-37 d,#080808, 38-38 d,#444444, 39-39 d,#080808, 40-74 #bdbdbd,#080808, 75-75 d,#444444, 76-76 d,#080808, 77-149 #bdbdbd,#080808,
-|12: 0-0 d,#121212, 1-1 d,#080808, 2-6 #626262,#080808, 7-13 #bdbdbd,#080808, 14-37 d,#080808, 38-38 d,#444444, 39-39 d,#080808, 40-74 #bdbdbd,#080808, 75-75 d,#444444, 76-76 d,#080808, 77-149 #bdbdbd,#080808,
-|13: 0-0 d,#444444, 1-1 d,#080808, 2-6 #626262,#080808, 7-13 #bdbdbd,#080808, 14-37 d,#080808, 38-38 d,#444444, 39-39 d,#080808, 40-74 #bdbdbd,#080808, 75-75 d,#444444, 76-76 d,#080808, 77-149 #bdbdbd,#080808,
-|14: 0-0 d,#444444, 1-1 d,#080808, 2-6 #626262,#080808, 7-13 #bdbdbd,#080808, 14-37 d,#080808, 38-38 d,#444444, 39-39 d,#080808, 40-74 #bdbdbd,#080808, 75-75 d,#444444, 76-76 d,#080808, 77-149 #bdbdbd,#080808,
-|15: 0-0 d,#444444, 1-1 d,#080808, 2-6 #626262,#080808, 7-13 #bdbdbd,#080808, 14-37 d,#080808, 38-38 d,#444444, 39-39 d,#080808, 40-74 #bdbdbd,#080808, 75-75 d,#444444, 76-76 d,#080808, 77-149 #bdbdbd,#080808,
-|16: 0-0 d,#444444, 1-1 d,#080808, 2-6 #949494,#121212, 7-13 #bdbdbd,#080808, 14-37 d,#080808, 38-39 #ffffff,#262626, 40-74 #949494,#121212, 75-75 d,#444444, 76-76 d,#080808, 77-149 #bdbdbd,#080808,
-|17: 0-0 d,#444444, 1-1 d,#080808, 2-6 #626262,#080808, 7-13 #bdbdbd,#080808, 14-37 d,#080808, 38-38 d,#444444, 39-39 d,#080808, 40-74 #bdbdbd,#080808, 75-75 d,#444444, 76-76 d,#080808, 77-149 #bdbdbd,#080808,
-|18: 0-0 d,#444444, 1-1 d,#080808, 2-6 #626262,#080808, 7-13 #bdbdbd,#080808, 14-37 d,#080808, 38-38 d,#444444, 39-39 d,#080808, 40-74 #bdbdbd,#080808, 75-75 d,#444444, 76-76 d,#080808, 77-149 #bdbdbd,#080808,
-|19: 0-0 d,#444444, 1-1 d,#080808, 2-6 #626262,#080808, 7-13 #bdbdbd,#080808, 14-37 d,#080808, 38-38 d,#444444, 39-39 d,#080808, 40-74 #bdbdbd,#080808, 75-75 d,#444444, 76-76 d,#080808, 77-149 #bdbdbd,#080808,
-|20: 0-0 d,#444444, 1-1 d,#080808, 2-6 #626262,#080808, 7-13 #bdbdbd,#080808, 14-37 d,#080808, 38-38 d,#444444, 39-39 d,#080808, 40-74 #bdbdbd,#080808, 75-75 d,#444444, 76-76 d,#080808, 77-149 #bdbdbd,#080808,
-|21: 0-0 d,#444444, 1-1 d,#080808, 2-6 #626262,#080808, 7-13 #bdbdbd,#080808, 14-37 d,#080808, 38-38 d,#444444, 39-39 d,#080808, 40-74 #bdbdbd,#080808, 75-75 d,#444444, 76-76 d,#080808, 77-149 #bdbdbd,#080808,
-|22: 0-0 d,#444444, 1-1 d,#080808, 2-6 #626262,#080808, 7-13 #bdbdbd,#080808, 14-37 d,#080808, 38-38 d,#444444, 39-39 d,#080808, 40-74 #bdbdbd,#080808, 75-75 d,#444444, 76-76 d,#080808, 77-149 #bdbdbd,#080808,
-|23: 0-0 d,#444444, 1-1 d,#080808, 2-6 #626262,#080808, 7-13 #bdbdbd,#080808, 14-37 d,#080808, 38-38 d,#444444, 39-39 d,#080808, 40-74 #bdbdbd,#080808, 75-75 d,#444444, 76-76 d,#080808, 77-149 #bdbdbd,#080808,
-|24: 0-0 d,#444444, 1-1 d,#080808, 2-6 #626262,#080808, 7-13 #bdbdbd,#080808, 14-37 d,#080808, 38-38 d,#444444, 39-39 d,#080808, 40-74 #bdbdbd,#080808, 75-75 d,#444444, 76-76 d,#080808, 77-149 #bdbdbd,#080808,
-|25: 0-0 d,#121212, 1-1 d,#080808, 2-6 #626262,#080808, 7-13 #bdbdbd,#080808, 14-37 d,#080808, 38-38 d,#444444, 39-39 d,#080808, 40-74 #bdbdbd,#080808, 75-75 d,#444444, 76-76 d,#080808, 77-149 #bdbdbd,#080808,
-|26: 0-0 d,#121212, 1-1 d,#080808, 2-6 #626262,#080808, 7-13 #bdbdbd,#080808, 14-37 d,#080808, 38-38 d,#444444, 39-39 d,#080808, 40-74 #bdbdbd,#080808, 75-75 d,#444444, 76-76 d,#080808, 77-149 #bdbdbd,#080808,
-|27: 0-0 d,#121212, 1-1 d,#080808, 2-6 #626262,#080808, 7-13 #bdbdbd,#080808, 14-37 d,#080808, 38-38 d,#444444, 39-39 d,#080808, 40-74 #bdbdbd,#080808, 75-75 d,#444444, 76-76 d,#080808, 77-149 #bdbdbd,#080808,
-|28: 0-0 d,#121212, 1-1 d,#080808, 2-6 #626262,#080808, 7-13 #bdbdbd,#080808, 14-37 d,#080808, 38-38 d,#444444, 39-39 d,#080808, 40-74 #bdbdbd,#080808, 75-75 d,#444444, 76-76 d,#080808, 77-149 #bdbdbd,#080808,
-|29: 0-0 d,#121212, 1-1 d,#080808, 2-6 #626262,#080808, 7-13 #bdbdbd,#080808, 14-37 d,#080808, 38-38 d,#444444, 39-39 d,#080808, 40-74 #bdbdbd,#080808, 75-75 d,#444444, 76-76 d,#080808, 77-149 #bdbdbd,#080808,
+|0: 0-74 #949494,#121212, 75-149 d,#121212,
+|1: 0-1 #ffffff,#626262, 2-59 #949494,#121212, 60-74 d,#121212, 75-76 #ffffff,#262626, 77-129 #949494,#121212, 130-149 d,#121212,
+|2: 0-0 d,#121212, 1-1 d,#080808, 2-6 #626262,#080808, 7-13 #bdbdbd,#080808, 14-74 d,#080808, 75-75 d,#444444, 76-76 d,#080808, 77-78 #bdbdbd,#080808, 79-149 d,#080808,
+|3: 0-0 d,#121212, 1-1 d,#080808, 2-6 #626262,#080808, 7-13 #bdbdbd,#080808, 14-74 d,#080808, 75-75 d,#444444, 76-76 d,#080808, 77-83 #bdbdbd,#080808, 84-149 d,#080808,
+|4: 0-0 d,#121212, 1-1 d,#080808, 2-6 #626262,#080808, 7-13 #bdbdbd,#080808, 14-74 d,#080808, 75-75 d,#444444, 76-149 d,#080808,
+|5: 0-0 d,#444444, 1-1 d,#080808, 2-6 #949494,#121212, 7-13 #bdbdbd,#080808, 14-74 d,#080808, 75-75 d,#444444, 76-149 d,#080808,
+|6: 0-0 d,#121212, 1-1 d,#080808, 2-6 #626262,#080808, 7-13 #bdbdbd,#080808, 14-74 d,#080808, 75-75 d,#444444, 76-149 d,#080808,
+|7: 0-0 d,#121212, 1-1 d,#080808, 2-6 #626262,#080808, 7-13 #bdbdbd,#080808, 14-74 d,#080808, 75-75 d,#444444, 76-149 d,#080808,
+|8: 0-1 #ffffff,#262626, 2-59 #949494,#121212, 60-74 d,#121212, 75-75 d,#444444, 76-149 d,#080808,
+|9: 0-0 d,#444444, 1-1 d,#080808, 2-3 #bdbdbd,#080808, 4-74 d,#080808, 75-75 d,#444444, 76-149 d,#080808,
+|10: 0-0 d,#444444, 1-1 d,#080808, 2-8 #bdbdbd,#080808, 9-74 d,#080808, 75-75 d,#444444, 76-149 d,#080808,
+|11: 0-0 d,#444444, 1-74 d,#080808, 75-75 d,#444444, 76-149 d,#080808,
+|12: 0-0 d,#444444, 1-74 d,#080808, 75-75 d,#444444, 76-149 d,#080808,
+|13: 0-0 d,#444444, 1-74 d,#080808, 75-75 d,#444444, 76-149 d,#080808,
+|14: 0-0 d,#444444, 1-1 d,#080808, 2-13 #bdbdbd,#080808, 14-74 d,#080808, 75-75 d,#444444, 76-149 d,#080808,
+|15: 0-0 d,#444444, 1-74 d,#080808, 75-75 d,#444444, 76-149 d,#080808,
+|16: 0-1 #ffffff,#262626, 2-59 #949494,#121212, 60-74 d,#121212, 75-75 d,#444444, 76-149 d,#080808,
+|17: 0-0 d,#444444, 1-1 d,#080808, 2-3 #bdbdbd,#080808, 4-74 d,#080808, 75-75 d,#444444, 76-149 d,#080808,
+|18: 0-0 d,#444444, 1-1 d,#080808, 2-8 #bdbdbd,#080808, 9-74 d,#080808, 75-75 d,#444444, 76-149 d,#080808,
+|19: 0-0 d,#444444, 1-74 d,#080808, 75-75 d,#444444, 76-149 d,#080808,
+|20: 0-0 d,#444444, 1-74 d,#080808, 75-75 d,#444444, 76-149 d,#080808,
+|21: 0-0 d,#444444, 1-74 d,#080808, 75-75 d,#444444, 76-149 d,#080808,
+|22: 0-0 d,#444444, 1-74 d,#080808, 75-75 d,#444444, 76-149 d,#080808,
+|23: 0-0 d,#444444, 1-74 d,#080808, 75-75 d,#444444, 76-149 d,#080808,
+|24: 0-0 d,#444444, 1-74 d,#080808, 75-75 d,#444444, 76-149 d,#080808,
+|25: 0-0 d,#444444, 1-74 d,#080808, 75-75 d,#444444, 76-149 d,#080808,
+|26: 0-0 d,#444444, 1-74 d,#080808, 75-75 d,#444444, 76-149 d,#080808,
+|27: 0-0 d,#444444, 1-74 d,#080808, 75-75 d,#444444, 76-149 d,#080808,
+|28: 0-0 d,#444444, 1-74 d,#080808, 75-75 d,#444444, 76-149 d,#080808,
+|29: 0-0 d,#444444, 1-74 d,#080808, 75-75 d,#444444, 76-149 d,#080808,