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use 'using' instead of 'sig' keyword; cleans up new features a bit

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This commit is contained in:
Andreas Rumpf 2016-02-29 12:19:54 +01:00
commit c9966a3e17
20 changed files with 109 additions and 74 deletions
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5
compiler/semexprs.nim
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@ -1556,10 +1556,6 @@ proc newAnonSym(kind: TSymKind, info: TLineInfo,
result = newSym(kind, idAnon, owner, info)
result.flags = {sfGenSym}
proc semUsing(c: PContext, n: PNode): PNode =
result = newNodeI(nkEmpty, n.info)
localError(n.info, "'using' statement is obsolete")
proc semExpandToAst(c: PContext, n: PNode): PNode =
var macroCall = n[1]
var expandedSym = expectMacroOrTemplateCall(c, macroCall)
@ -2354,7 +2350,6 @@ proc semExpr(c: PContext, n: PNode, flags: TExprFlags = {}): PNode =
if not n.sons[0].typ.isEmptyType and not implicitlyDiscardable(n.sons[0]):
localError(n.info, errGenerated, "'defer' takes a 'void' expression")
#localError(n.info, errGenerated, "'defer' not allowed in this context")
of nkSigSection: result = semSigSection(c, n)
else:
localError(n.info, errInvalidExpressionX,
renderTree(n, {renderNoComments}))