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implement sizeof and alignof operator (manually squashed #5664) (#9356)

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Timothee Cour 2018-10-13 15:52:28 -07:00 • committed by Andreas Rumpf
commit 745f1642d6
18 changed files with 906 additions and 236 deletions
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10
compiler/ast.nim
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@ -582,7 +582,8 @@ type
TMagic* = enum # symbols that require compiler magic:
mNone,
mDefined, mDefinedInScope, mCompiles, mArrGet, mArrPut, mAsgn,
mLow, mHigh, mSizeOf, mTypeTrait, mIs, mOf, mAddr, mType, mTypeOf,
mLow, mHigh, mSizeOf, mAlignOf, mOffsetOf, mTypeTrait,
mIs, mOf, mAddr, mType, mTypeOf,
mRoof, mPlugin, mEcho, mShallowCopy, mSlurp, mStaticExec, mStatic,
mParseExprToAst, mParseStmtToAst, mExpandToAst, mQuoteAst,
mUnaryLt, mInc, mDec, mOrd,
@ -698,11 +699,6 @@ const
mConStrStr, mAppendStrCh, mAppendStrStr, mAppendSeqElem,
mInRange, mInSet, mRepr,
mCopyStr, mCopyStrLast}
# magics that require special semantic checking and
# thus cannot be overloaded (also documented in the spec!):
SpecialSemMagics* = {
mDefined, mDefinedInScope, mCompiles, mLow, mHigh, mSizeOf, mIs, mOf,
mShallowCopy, mExpandToAst, mParallel, mSpawn, mAstToStr}
type
PNode* = ref TNode
@ -1274,7 +1270,7 @@ proc newType*(kind: TTypeKind, owner: PSym): PType =
result.kind = kind
result.owner = owner
result.size = -1
result.align = 2 # default alignment
result.align = -1 # default alignment
result.id = getID()
result.lockLevel = UnspecifiedLockLevel
when debugIds: