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introduce nkTupleConstr AST node for unary tuple construction; breaking change

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This commit is contained in:
Andreas Rumpf 2018-04-13 17:06:46 +02:00
commit 47335aab41
26 changed files with 91 additions and 56 deletions
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8
compiler/renderer.nim
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@ -437,6 +437,9 @@ proc lsub(g: TSrcGen; n: PNode): int =
of nkCommand: result = lsub(g, n.sons[0]) + lcomma(g, n, 1) + 1
of nkExprEqExpr, nkAsgn, nkFastAsgn: result = lsons(g, n) + 3
of nkPar, nkCurly, nkBracket, nkClosure: result = lcomma(g, n) + 2
of nkTupleConstr:
# assume the trailing comma:
result = lcomma(g, n) + 3
of nkArgList: result = lcomma(g, n)
of nkTableConstr:
result = if n.len > 0: lcomma(g, n) + 2 else: len("{:}")
@ -1007,6 +1010,11 @@ proc gsub(g: var TSrcGen, n: PNode, c: TContext) =
put(g, tkParLe, "(")
gcomma(g, n, c)
put(g, tkParRi, ")")
of nkTupleConstr:
put(g, tkParLe, "(")
gcomma(g, n, c)
if n.len == 1: put(g, tkComma, ",")
put(g, tkParRi, ")")
of nkCurly:
put(g, tkCurlyLe, "{")
gcomma(g, n, c)