defaults to ORC (#19972)

* defaults to Orc

* bootstrap using refc

* use gc

* init orc defines

* unregister orc

* fix gc

* fix commands

* add prepareMutation for orc

* enable deepcopy for orc

* prepareMutation

* more fixes

* some cases

* bug #20081

* partial fixes

* partial fixes

* fixes command line

* more fixes

* build Nim with refc

* use gc

* more fixes

* rstore

* orc doesn't support threadpool

* more shallowCopy

* more fixes

* fixes unsafeNew

* workarounds

* small

* more fixes

* fixes some megatest

* tcodegenbugs1 refc

* fxies megatest

* build nimble with refc

* workaround tensordsl tests

* replace shallowCopy with move

* fixes action

* workaround

* add todo

* fixes important packages

* unpublic unregisterArcOrc

* fixes cpp

* enable windows

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

tests/stdlib/mgenast.nim

@@ -31,6 +31,8 @@ macro bindme6UseExpose*(): untyped =
   genAst:
     var tst = "sometext"
     var ss = newStringStream("anothertext")
+    when defined(gcArc) or defined(gcOrc):
+      prepareMutation(tst)
     writeData(ss, tst[0].addr, 2)
     discard readData(ss, tst[0].addr, 2)
 
@@ -40,6 +42,8 @@ macro bindme6UseExposeFalse*(): untyped =
   genAstOpt({kDirtyTemplate}, newStringStream, writeData, readData):
     var tst = "sometext"
     var ss = newStringStream("anothertext")
+    when defined(gcArc) or defined(gcOrc):
+      prepareMutation(tst)
     writeData(ss, tst[0].addr, 2)
     discard readData(ss, tst[0].addr, 2)
 

tests/stdlib/tgenast.nim

@@ -1,3 +1,7 @@
+discard """
+  matrix: "--mm:orc; --mm:refc"
+"""
+
 # xxx also test on js
 
 import std/genasts

tests/stdlib/thttpclient_ssl.nim

@@ -1,5 +1,5 @@
 discard """
-  cmd: "nim $target --threads:on -d:ssl $options $file"
+  cmd: "nim $target --mm:refc -d:ssl $options $file"
   disabled: "openbsd"
 """
 

tests/stdlib/tjson.nim

@@ -1,4 +1,5 @@
 discard """
+  matrix: "--mm:refc"
   targets: "c cpp js"
 """
 
@@ -49,7 +50,7 @@ for i in 0 .. 10000:
   except:
     discard
 # memory diff should less than 4M
-doAssert(abs(getOccupiedMem() - startMemory) < 4 * 1024 * 1024)
+doAssert(abs(getOccupiedMem() - startMemory) < 4 * 1024 * 1024) # todo fixme doesn;t work for ORC
 
 
 # test `$`

tests/stdlib/tmitems.nim

@@ -62,6 +62,7 @@ block:
 
 block:
   var x = "foobar"
+  prepareMutation(x)
   var y = cast[cstring](addr x[0])
   for c in y.mitems:
     inc c
@@ -75,6 +76,7 @@ block:
 
 block:
   var x = "foobar"
+  prepareMutation(x)
   var y = cast[cstring](addr x[0])
   for i, c in y.mpairs:
     inc c, i

tests/stdlib/tstdlib_various.nim

@@ -1,4 +1,5 @@
 discard """
+matrix: "--mm:refc"
 output: '''
 abc
 def

tests/stdlib/tstring.nim

@@ -1,4 +1,5 @@
 discard """
+  matrix: "--mm:refc"
   targets: "c cpp js"
 """
 

tests/stdlib/twchartoutf8.nim

@@ -66,8 +66,7 @@ else:
 
   #RFC-2781 "UTF-16, an encoding of ISO 10646"
 
-  var wc: WideCString
-  unsafeNew(wc, 1024 * 4 + 2)
+  var wc: WideCString = newWideCString(1024 * 2)
 
   #U+0000 to U+D7FF
   #skip the U+0000