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

1 files changed, 33 insertions, 33 deletions

diff --git a/test/snapshots/load.golden b/test/snapshots/load.golden
index 27285369..4d6b193e 100644
--- a/test/snapshots/load.golden
+++ b/test/snapshots/load.golden
@@ -1,6 +1,6 @@
 == snap loaded grid=100x30 cursor=4,15
-|New Newcol Find Grep Help Tutor Dump NextColor Debug Kill
-|  /tmp/pardes-snap/load/cwd New Del Filter          /tmp/pardes-snap/load/cwd New Del Filter
+|New Newcol Joincol Find Grep Help Changelog Tutor Dump NextColor Debug Kill
+|  /tmp/pardes-snap/load/cwd New Newtty Del Filter   /tmp/pardes-snap/load/cwd New Newtty Del Filter
 |  echo LOAD''MARK; seq 1 40                         ls
 |  LOADMARK                                          d.txt
 |  1
@@ -15,7 +15,7 @@
 |  10
 |  11
 |  12
-|  /tmp/pardes-snap/load/cwd New Del Filter
+|  /tmp/pardes-snap/load/cwd New Newtty Del Filter
 |  ls
 |  d.txt
 |
@@ -30,33 +30,33 @@
 |
 |
 == style loaded
-|0: 0-56 #949494,#121212, 57-99 d,#121212,
-|1: 0-1 #ffffff,#626262, 2-41 #949494,#121212, 42-49 d,#121212, 50-51 #ffffff,#262626, 52-91 #949494,#121212, 92-99 d,#121212,
-|2: 0-0 d,#444444, 1-1 d,#080808, 2-49 #bdbdbd,#080808, 50-50 d,#444444, 51-51 d,#080808, 52-99 #bdbdbd,#080808,
-|3: 0-0 d,#444444, 1-1 d,#080808, 2-49 #bdbdbd,#080808, 50-50 d,#444444, 51-51 d,#080808, 52-99 #bdbdbd,#080808,
-|4: 0-0 d,#444444, 1-1 d,#080808, 2-49 #bdbdbd,#080808, 50-50 d,#444444, 51-51 d,#080808, 52-99 #bdbdbd,#080808,
-|5: 0-0 d,#444444, 1-1 d,#080808, 2-49 #bdbdbd,#080808, 50-50 d,#444444, 51-51 d,#080808, 52-99 #bdbdbd,#080808,
-|6: 0-0 d,#121212, 1-1 d,#080808, 2-49 #bdbdbd,#080808, 50-50 d,#444444, 51-51 d,#080808, 52-99 #bdbdbd,#080808,
-|7: 0-0 d,#121212, 1-1 d,#080808, 2-49 #bdbdbd,#080808, 50-50 d,#444444, 51-51 d,#080808, 52-99 #bdbdbd,#080808,
-|8: 0-0 d,#121212, 1-1 d,#080808, 2-49 #bdbdbd,#080808, 50-50 d,#444444, 51-51 d,#080808, 52-99 #bdbdbd,#080808,
-|9: 0-0 d,#121212, 1-1 d,#080808, 2-49 #bdbdbd,#080808, 50-50 d,#444444, 51-51 d,#080808, 52-99 #bdbdbd,#080808,
-|10: 0-0 d,#121212, 1-1 d,#080808, 2-49 #bdbdbd,#080808, 50-50 d,#444444, 51-51 d,#080808, 52-99 #bdbdbd,#080808,
-|11: 0-0 d,#121212, 1-1 d,#080808, 2-49 #bdbdbd,#080808, 50-50 d,#444444, 51-51 d,#080808, 52-99 #bdbdbd,#080808,
-|12: 0-0 d,#121212, 1-1 d,#080808, 2-49 #bdbdbd,#080808, 50-50 d,#444444, 51-51 d,#080808, 52-99 #bdbdbd,#080808,
-|13: 0-0 d,#121212, 1-1 d,#080808, 2-49 #bdbdbd,#080808, 50-50 d,#444444, 51-51 d,#080808, 52-99 #bdbdbd,#080808,
-|14: 0-0 d,#121212, 1-1 d,#080808, 2-49 #bdbdbd,#080808, 50-50 d,#444444, 51-51 d,#080808, 52-99 #bdbdbd,#080808,
-|15: 0-0 d,#121212, 1-1 d,#080808, 2-49 #bdbdbd,#080808, 50-50 d,#444444, 51-51 d,#080808, 52-99 #bdbdbd,#080808,
-|16: 0-1 #ffffff,#262626, 2-41 #949494,#121212, 42-49 d,#121212, 50-50 d,#444444, 51-51 d,#080808, 52-99 #bdbdbd,#080808,
-|17: 0-0 d,#444444, 1-1 d,#080808, 2-49 #bdbdbd,#080808, 50-50 d,#444444, 51-51 d,#080808, 52-99 #bdbdbd,#080808,
-|18: 0-0 d,#444444, 1-1 d,#080808, 2-49 #bdbdbd,#080808, 50-50 d,#444444, 51-51 d,#080808, 52-99 #bdbdbd,#080808,
-|19: 0-0 d,#444444, 1-1 d,#080808, 2-49 #bdbdbd,#080808, 50-50 d,#444444, 51-51 d,#080808, 52-99 #bdbdbd,#080808,
-|20: 0-0 d,#444444, 1-1 d,#080808, 2-49 #bdbdbd,#080808, 50-50 d,#444444, 51-51 d,#080808, 52-99 #bdbdbd,#080808,
-|21: 0-0 d,#444444, 1-1 d,#080808, 2-49 #bdbdbd,#080808, 50-50 d,#444444, 51-51 d,#080808, 52-99 #bdbdbd,#080808,
-|22: 0-0 d,#444444, 1-1 d,#080808, 2-49 #bdbdbd,#080808, 50-50 d,#444444, 51-51 d,#080808, 52-99 #bdbdbd,#080808,
-|23: 0-0 d,#444444, 1-1 d,#080808, 2-49 #bdbdbd,#080808, 50-50 d,#444444, 51-51 d,#080808, 52-99 #bdbdbd,#080808,
-|24: 0-0 d,#444444, 1-1 d,#080808, 2-49 #bdbdbd,#080808, 50-50 d,#444444, 51-51 d,#080808, 52-99 #bdbdbd,#080808,
-|25: 0-0 d,#444444, 1-1 d,#080808, 2-49 #bdbdbd,#080808, 50-50 d,#444444, 51-51 d,#080808, 52-99 #bdbdbd,#080808,
-|26: 0-0 d,#444444, 1-1 d,#080808, 2-49 #bdbdbd,#080808, 50-50 d,#444444, 51-51 d,#080808, 52-99 #bdbdbd,#080808,
-|27: 0-0 d,#444444, 1-1 d,#080808, 2-49 #bdbdbd,#080808, 50-50 d,#444444, 51-51 d,#080808, 52-99 #bdbdbd,#080808,
-|28: 0-0 d,#444444, 1-1 d,#080808, 2-49 #bdbdbd,#080808, 50-50 d,#444444, 51-51 d,#080808, 52-99 #bdbdbd,#080808,
-|29: 0-0 d,#444444, 1-1 d,#080808, 2-49 #bdbdbd,#080808, 50-50 d,#444444, 51-51 d,#080808, 52-99 #bdbdbd,#080808,
+|0: 0-74 #949494,#121212, 75-99 d,#121212,
+|1: 0-1 #ffffff,#626262, 2-48 #949494,#121212, 49-49 d,#121212, 50-51 #ffffff,#262626, 52-98 #949494,#121212, 99-99 d,#121212,
+|2: 0-0 d,#444444, 1-1 d,#080808, 2-26 #bdbdbd,#080808, 27-49 d,#080808, 50-50 d,#444444, 51-51 d,#080808, 52-53 #bdbdbd,#080808, 54-99 d,#080808,
+|3: 0-0 d,#444444, 1-1 d,#080808, 2-9 #bdbdbd,#080808, 10-49 d,#080808, 50-50 d,#444444, 51-51 d,#080808, 52-56 #bdbdbd,#080808, 57-99 d,#080808,
+|4: 0-0 d,#444444, 1-1 d,#080808, 2-2 #bdbdbd,#080808, 3-49 d,#080808, 50-50 d,#444444, 51-99 d,#080808,
+|5: 0-0 d,#444444, 1-1 d,#080808, 2-2 #bdbdbd,#080808, 3-49 d,#080808, 50-50 d,#444444, 51-99 d,#080808,
+|6: 0-0 d,#121212, 1-1 d,#080808, 2-2 #bdbdbd,#080808, 3-49 d,#080808, 50-50 d,#444444, 51-99 d,#080808,
+|7: 0-0 d,#121212, 1-1 d,#080808, 2-2 #bdbdbd,#080808, 3-49 d,#080808, 50-50 d,#444444, 51-99 d,#080808,
+|8: 0-0 d,#121212, 1-1 d,#080808, 2-2 #bdbdbd,#080808, 3-49 d,#080808, 50-50 d,#444444, 51-99 d,#080808,
+|9: 0-0 d,#121212, 1-1 d,#080808, 2-2 #bdbdbd,#080808, 3-49 d,#080808, 50-50 d,#444444, 51-99 d,#080808,
+|10: 0-0 d,#121212, 1-1 d,#080808, 2-2 #bdbdbd,#080808, 3-49 d,#080808, 50-50 d,#444444, 51-99 d,#080808,
+|11: 0-0 d,#121212, 1-1 d,#080808, 2-2 #bdbdbd,#080808, 3-49 d,#080808, 50-50 d,#444444, 51-99 d,#080808,
+|12: 0-0 d,#121212, 1-1 d,#080808, 2-2 #bdbdbd,#080808, 3-49 d,#080808, 50-50 d,#444444, 51-99 d,#080808,
+|13: 0-0 d,#121212, 1-1 d,#080808, 2-3 #bdbdbd,#080808, 4-49 d,#080808, 50-50 d,#444444, 51-99 d,#080808,
+|14: 0-0 d,#121212, 1-1 d,#080808, 2-3 #bdbdbd,#080808, 4-49 d,#080808, 50-50 d,#444444, 51-99 d,#080808,
+|15: 0-0 d,#121212, 1-1 d,#080808, 2-3 #bdbdbd,#080808, 4-49 d,#080808, 50-50 d,#444444, 51-99 d,#080808,
+|16: 0-1 #ffffff,#262626, 2-48 #949494,#121212, 49-49 d,#121212, 50-50 d,#444444, 51-99 d,#080808,
+|17: 0-0 d,#444444, 1-1 d,#080808, 2-3 #bdbdbd,#080808, 4-49 d,#080808, 50-50 d,#444444, 51-99 d,#080808,
+|18: 0-0 d,#444444, 1-1 d,#080808, 2-6 #bdbdbd,#080808, 7-49 d,#080808, 50-50 d,#444444, 51-99 d,#080808,
+|19: 0-0 d,#444444, 1-49 d,#080808, 50-50 d,#444444, 51-99 d,#080808,
+|20: 0-0 d,#444444, 1-49 d,#080808, 50-50 d,#444444, 51-99 d,#080808,
+|21: 0-0 d,#444444, 1-49 d,#080808, 50-50 d,#444444, 51-99 d,#080808,
+|22: 0-0 d,#444444, 1-49 d,#080808, 50-50 d,#444444, 51-99 d,#080808,
+|23: 0-0 d,#444444, 1-49 d,#080808, 50-50 d,#444444, 51-99 d,#080808,
+|24: 0-0 d,#444444, 1-49 d,#080808, 50-50 d,#444444, 51-99 d,#080808,
+|25: 0-0 d,#444444, 1-49 d,#080808, 50-50 d,#444444, 51-99 d,#080808,
+|26: 0-0 d,#444444, 1-49 d,#080808, 50-50 d,#444444, 51-99 d,#080808,
+|27: 0-0 d,#444444, 1-49 d,#080808, 50-50 d,#444444, 51-99 d,#080808,
+|28: 0-0 d,#444444, 1-49 d,#080808, 50-50 d,#444444, 51-99 d,#080808,
+|29: 0-0 d,#444444, 1-49 d,#080808, 50-50 d,#444444, 51-99 d,#080808,