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allow dots in defined() (#20010)

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* allow dots in defined()

refs https://github.com/nim-lang/RFCs/issues/181

* mention accents in older versions
This commit is contained in:
metagn
2022-07-12 19:03:58 +03:00
committed by GitHub
parent a97b00ad8d
commit 5c510a9ab9
3 changed files with 33 additions and 3 deletions
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14
compiler/semexprs.nim
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@@ -1938,11 +1938,23 @@ proc semYield(c: PContext, n: PNode): PNode =
elif c.p.owner.typ[0] != nil:
localError(c.config, n.info, errGenerated, "yield statement must yield a value")
proc considerQuotedIdentOrDot(c: PContext, n: PNode, origin: PNode = nil): PIdent =
if n.kind == nkDotExpr:
let a = considerQuotedIdentOrDot(c, n[0], origin).s
let b = considerQuotedIdentOrDot(c, n[1], origin).s
var s = newStringOfCap(a.len + b.len + 1)
s.add(a)
s.add('.')
s.add(b)
result = getIdent(c.cache, s)
else:
result = considerQuotedIdent(c, n, origin)
proc semDefined(c: PContext, n: PNode): PNode =
checkSonsLen(n, 2, c.config)
# we replace this node by a 'true' or 'false' node:
result = newIntNode(nkIntLit, 0)
result.intVal = ord isDefined(c.config, considerQuotedIdent(c, n[1], n).s)
result.intVal = ord isDefined(c.config, considerQuotedIdentOrDot(c, n[1], n).s)
result.info = n.info
result.typ = getSysType(c.graph, n.info, tyBool)