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implemented alignas pragma (#12643)

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* implemented alignas pragma

* fix bootstrap

* generate c++ compatible syntax for alignas

* Make it work.

* Multiple alignof expressions. Implement top level alignof.
This commit is contained in:
Arne Döring 2019-11-13 09:22:41 +01:00 • committed by cooldome
commit 0496a666e2
13 changed files with 153 additions and 19 deletions
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compiler/ccgtypes.nim
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@ -549,6 +549,8 @@ proc genRecordFieldsAux(m: BModule, n: PNode,
#assert(field.ast == nil)
let sname = mangleRecFieldName(m, field)
fillLoc(field.loc, locField, n, sname, OnUnknown)
if field.alignment > 0:
result.addf "alignas($1) ", [rope(field.alignment)]
# for importcpp'ed objects, we only need to set field.loc, but don't
# have to recurse via 'getTypeDescAux'. And not doing so prevents problems
# with heavily templatized C++ code: