moderate system cleanup & refactor (#20355)

* system refactor, move out 600 lines

* compilation, slice, backwardsindex, misc_num moved out of system
* some procs/types moved into arithmetics, basic_types
* system no longer depends on syncio
* some procs moved around to fit with their surroundings

* make exceptions an import, old ops to misc_num

* move instantiationInfo back

* move back nim version, fix windows echo

* include compilation

* better docs for imported modules, fix unsigned ops

also remove ze, ze64, toU8, toU16, toU32 with nimPreviewSlimSystem

* fix terminal

* workaround IC test & weird csize bug, changelog

* move NimMajor etc back to compilation, rebase for CI

* try ic fix

* form single `indices`, slim out TaintedString, try fix IC

* fix CI, update changelog, addQuitProc

* fix CI

* try fix CI

* actually fix CI finally hopefully

* Update lib/system/compilation.nim

Co-authored-by: ringabout <43030857+ringabout@users.noreply.github.com>

* update kochdocs

* hopefully fix csize uses for slimsystem

* fix tquit

Co-authored-by: ringabout <43030857+ringabout@users.noreply.github.com>
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metagn 2022-09-28 22:28:45 +03:00 • committed by GitHub
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@ -1066,17 +1066,6 @@ operation meaning
`a %% b` unsigned integer modulo operation
`a <% b` treat `a` and `b` as unsigned and compare
`a <=% b` treat `a` and `b` as unsigned and compare
`ze(a)` extends the bits of `a` with zeros until it has the
width of the `int` type
`toU8(a)` treats `a` as unsigned and converts it to an
unsigned integer of 8 bits (but still the
`int8` type)
`toU16(a)` treats `a` as unsigned and converts it to an
unsigned integer of 16 bits (but still the
`int16` type)
`toU32(a)` treats `a` as unsigned and converts it to an
unsigned integer of 32 bits (but still the
`int32` type)
====================== ======================================================
`Automatic type conversion`:idx: is performed in expressions where different