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refactor sizealignoffset (#12077)

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* small refactoring
* refactor computeObjectOffsetFoldFunction with AccumObject
* refactor packed object offstes fold function
* refactor compute union object offsets fold function
* merge normal/packed object offset fold function
* compiletime offsetof in c++ inheritance objects
* enable c++ inheritance offsetof tests
* correct alignment for big sets/enums on weird 32bit platforms
* uncomputedSize -> unknownSize
* workaround for travis
* fixes win32 alignment problems
This commit is contained in:
Andreas Rumpf 2019-08-28 19:36:29 +02:00 • committed by GitHub
commit 21fc8b4d4d
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6 changed files with 198 additions and 230 deletions
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10
compiler/pragmas.nim
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@ -816,12 +816,12 @@ proc singlePragma(c: PContext, sym: PSym, n: PNode, i: var int,
if sym.typ == nil: invalidPragma(c, it)
var size = expectIntLit(c, it)
case size
of 1, 2, 4, 8:
of 1, 2, 4:
sym.typ.size = size
if size == 8 and c.config.target.targetCPU == cpuI386:
sym.typ.align = 4
else:
sym.typ.align = int16(size)
sym.typ.align = int16 size
of 8:
sym.typ.size = 8
sym.typ.align = floatInt64Align(c.config)
else:
localError(c.config, it.info, "size may only be 1, 2, 4 or 8")
of wNodecl: