diff options
Diffstat (limited to 'compiler/semexprs.nim')
-rw-r--r-- | compiler/semexprs.nim | 31 |
1 files changed, 14 insertions, 17 deletions
diff --git a/compiler/semexprs.nim b/compiler/semexprs.nim index 538489490..203a51816 100644 --- a/compiler/semexprs.nim +++ b/compiler/semexprs.nim @@ -323,11 +323,6 @@ proc isOpImpl(c: PContext, n: PNode): PNode = result = newIntNode(nkIntLit, ord(t.kind == tyProc and t.callConv == ccClosure and tfIterator notin t.flags)) - of "iterator": - let t = skipTypes(t1, abstractRange) - result = newIntNode(nkIntLit, ord(t.kind == tyProc and - t.callConv == ccClosure and - tfIterator in t.flags)) else: var t2 = n[2].typ.skipTypes({tyTypeDesc}) let lifted = liftParamType(c, skType, newNodeI(nkArgList, n.info), @@ -662,11 +657,11 @@ proc semOverloadedCallAnalyseEffects(c: PContext, n: PNode, nOrig: PNode, flags: TExprFlags): PNode = if flags*{efInTypeof, efWantIterator} != {}: # consider: 'for x in pReturningArray()' --> we don't want the restriction - # to 'skIterator' anymore; skIterator is preferred in sigmatch already for - # typeof support. + # to 'skIterators' anymore; skIterators are preferred in sigmatch already + # for typeof support. # for ``type(countup(1,3))``, see ``tests/ttoseq``. result = semOverloadedCall(c, n, nOrig, - {skProc, skMethod, skConverter, skMacro, skTemplate, skIterator}) + {skProc, skMethod, skConverter, skMacro, skTemplate}+skIterators) else: result = semOverloadedCall(c, n, nOrig, {skProc, skMethod, skConverter, skMacro, skTemplate}) @@ -679,7 +674,7 @@ proc semOverloadedCallAnalyseEffects(c: PContext, n: PNode, nOrig: PNode, case callee.kind of skMacro, skTemplate: discard else: - if (callee.kind == skIterator) and (callee.id == c.p.owner.id): + if (callee.kind in skIterators) and (callee.id == c.p.owner.id): localError(n.info, errRecursiveDependencyX, callee.name.s) if sfNoSideEffect notin callee.flags: if {sfImportc, sfSideEffect} * callee.flags != {}: @@ -1193,7 +1188,7 @@ proc semReturn(c: PContext, n: PNode): PNode = result = n checkSonsLen(n, 1) if c.p.owner.kind in {skConverter, skMethod, skProc, skMacro} or - (c.p.owner.kind == skIterator and c.p.owner.typ.callConv == ccClosure): + c.p.owner.kind == skClosureIterator: if n.sons[0].kind != nkEmpty: # transform ``return expr`` to ``result = expr; return`` if c.p.resultSym != nil: @@ -1258,7 +1253,7 @@ proc semYieldVarResult(c: PContext, n: PNode, restype: PType) = proc semYield(c: PContext, n: PNode): PNode = result = n checkSonsLen(n, 1) - if c.p.owner == nil or c.p.owner.kind != skIterator: + if c.p.owner == nil or c.p.owner.kind notin skIterators: localError(n.info, errYieldNotAllowedHere) elif c.p.inTryStmt > 0 and c.p.owner.typ.callConv != ccInline: localError(n.info, errYieldNotAllowedInTryStmt) @@ -1266,9 +1261,11 @@ proc semYield(c: PContext, n: PNode): PNode = n.sons[0] = semExprWithType(c, n.sons[0]) # check for type compatibility: var restype = c.p.owner.typ.sons[0] if restype != nil: - n.sons[0] = fitNode(c, restype, n.sons[0]) + let adjustedRes = if c.p.owner.kind == skIterator: restype.base + else: restype + n.sons[0] = fitNode(c, adjustedRes, n.sons[0]) if n.sons[0].typ == nil: internalError(n.info, "semYield") - semYieldVarResult(c, n, restype) + semYieldVarResult(c, n, adjustedRes) else: localError(n.info, errCannotReturnExpr) elif c.p.owner.typ.sons[0] != nil: @@ -1828,7 +1825,7 @@ proc semExpr(c: PContext, n: PNode, flags: TExprFlags = {}): PNode = var s = lookUp(c, n) semCaptureSym(s, c.p.owner) result = semSym(c, n, s, flags) - if s.kind in {skProc, skMethod, skIterator, skConverter}: + if s.kind in {skProc, skMethod, skConverter}+skIterators: #performProcvarCheck(c, n, s) result = symChoice(c, n, s, scClosed) if result.kind == nkSym: @@ -1884,7 +1881,7 @@ proc semExpr(c: PContext, n: PNode, flags: TExprFlags = {}): PNode = message(n.info, warnDeprecated, "bind") result = semExpr(c, n.sons[0], flags) of nkTypeOfExpr, nkTupleTy, nkRefTy..nkEnumTy, nkStaticTy: - var typ = semTypeNode(c, n, nil).skipTypes({tyTypeDesc}) + var typ = semTypeNode(c, n, nil).skipTypes({tyTypeDesc, tyIter}) result.typ = makeTypeDesc(c, typ) #result = symNodeFromType(c, typ, n.info) of nkCall, nkInfix, nkPrefix, nkPostfix, nkCommand, nkCallStrLit: @@ -1918,7 +1915,7 @@ proc semExpr(c: PContext, n: PNode, flags: TExprFlags = {}): PNode = localError(n.info, errUseQualifier, s.name.s) elif s.magic == mNone: result = semDirectOp(c, n, flags) else: result = semMagic(c, n, s, flags) - of skProc, skMethod, skConverter, skIterator: + of skProc, skMethod, skConverter, skIterators: if s.magic == mNone: result = semDirectOp(c, n, flags) else: result = semMagic(c, n, s, flags) else: @@ -1942,7 +1939,7 @@ proc semExpr(c: PContext, n: PNode, flags: TExprFlags = {}): PNode = of nkBracketExpr: checkMinSonsLen(n, 1) var s = qualifiedLookUp(c, n.sons[0], {checkUndeclared}) - if s != nil and s.kind in {skProc, skMethod, skConverter, skIterator}: + if s != nil and s.kind in {skProc, skMethod, skConverter}+skIterators: # type parameters: partial generic specialization n.sons[0] = semSymGenericInstantiation(c, n.sons[0], s) result = explicitGenericInstantiation(c, n, s) |