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big steps torwards an efficient, simple IC implementation (#16543)

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* reworked ID handling
* the packed AST now has its own ID mechanism
* basic serialization code works
* extract rodfiles to its own module
* rodfiles: store and compare configs
* rodfiles: store dependencies
* store config at the end
* precise dependency tracking
* dependency tracking for rodfiles
* completed loading of PSym, PType, etc
* removed dead code
* bugfix: do not realloc seqs when taking addr into an element
* make IC opt-in for now
* makes tcompilerapi green again
* final cleanups

Co-authored-by: Andy Davidoff <github@andy.disruptek.com>
This commit is contained in:
Andreas Rumpf 2021-01-02 07:30:39 +01:00 • committed by GitHub
commit 73a8b950cb
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57 changed files with 1429 additions and 1717 deletions
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6
compiler/cgmeth.nim
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@ -108,10 +108,10 @@ proc attachDispatcher(s: PSym, dispatcher: PNode) =
s.ast[dispatcherPos] = dispatcher
proc createDispatcher(s: PSym; idgen: IdGenerator): PSym =
var disp = copySym(s, nextId(idgen))
var disp = copySym(s, nextSymId(idgen))
incl(disp.flags, sfDispatcher)
excl(disp.flags, sfExported)
disp.typ = copyType(disp.typ, nextId(idgen), disp.typ.owner)
disp.typ = copyType(disp.typ, nextTypeId(idgen), disp.typ.owner)
# we can't inline the dispatcher itself (for now):
if disp.typ.callConv == ccInline: disp.typ.callConv = ccNimCall
disp.ast = copyTree(s.ast)
@ -119,7 +119,7 @@ proc createDispatcher(s: PSym; idgen: IdGenerator): PSym =
disp.loc.r = nil
if s.typ[0] != nil:
if disp.ast.len > resultPos:
disp.ast[resultPos].sym = copySym(s.ast[resultPos].sym, nextId(idgen))
disp.ast[resultPos].sym = copySym(s.ast[resultPos].sym, nextSymId(idgen))
else:
# We've encountered a method prototype without a filled-in
# resultPos slot. We put a placeholder in there that will