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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/vm.nim
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@ -688,7 +688,7 @@ proc rawExecute(c: PCtx, start: int, tos: PStackFrame): TFullReg =
let s = regs[rb].node.strVal.addr # or `byaddr`
if idx <% s[].len:
# `makePtrType` not accessible from vm.nim
let typ = newType(tyPtr, nextId c.idgen, c.module.owner)
let typ = newType(tyPtr, nextTypeId c.idgen, c.module.owner)
typ.add getSysType(c.graph, c.debug[pc], tyChar)
let node = newNodeIT(nkIntLit, c.debug[pc], typ) # xxx nkPtrLit
node.intVal = cast[int](s[][idx].addr)
@ -1962,7 +1962,7 @@ proc rawExecute(c: PCtx, start: int, tos: PStackFrame): TFullReg =
else: regs[rc].node.strVal
if k < 0 or k > ord(high(TSymKind)):
internalError(c.config, c.debug[pc], "request to create symbol of invalid kind")
var sym = newSym(k.TSymKind, getIdent(c.cache, name), nextId c.idgen, c.module.owner, c.debug[pc])
var sym = newSym(k.TSymKind, getIdent(c.cache, name), nextSymId c.idgen, c.module.owner, c.debug[pc])
incl(sym.flags, sfGenSym)
regs[ra].node = newSymNode(sym)
regs[ra].node.flags.incl nfIsRef
@ -2257,7 +2257,7 @@ const evalMacroLimit = 1000
proc errorNode(idgen: IdGenerator; owner: PSym, n: PNode): PNode =
result = newNodeI(nkEmpty, n.info)
result.typ = newType(tyError, nextId idgen, owner)
result.typ = newType(tyError, nextTypeId idgen, owner)
result.typ.flags.incl tfCheckedForDestructor
proc evalMacroCall*(module: PSym; idgen: IdGenerator; g: ModuleGraph; templInstCounter: ref int;