diff options
Diffstat (limited to 'compiler/ccgexprs.nim')
| -rw-r--r-- | compiler/ccgexprs.nim | 1103 |
1 files changed, 556 insertions, 547 deletions
diff --git a/compiler/ccgexprs.nim b/compiler/ccgexprs.nim index 6d8cbd544..545d43ae8 100644 --- a/compiler/ccgexprs.nim +++ b/compiler/ccgexprs.nim @@ -112,11 +112,6 @@ proc genLiteral(p: BProc, n: PNode, ty: PType; result: var Rope) = proc genLiteral(p: BProc, n: PNode; result: var Rope) = genLiteral(p, n, n.typ, result) -proc bitSetToWord(s: TBitSet, size: int): BiggestUInt = - result = 0 - for j in 0..<size: - if j < s.len: result = result or (BiggestUInt(s[j]) shl (j * 8)) - proc genRawSetData(cs: TBitSet, size: int; result: var Rope) = if size > 8: var res = "{\n" @@ -173,7 +168,9 @@ proc getStorageLoc(n: PNode): TStorageLoc = of tyVar, tyLent: result = OnUnknown of tyPtr: result = OnStack of tyRef: result = OnHeap - else: doAssert(false, "getStorageLoc") + else: + result = OnUnknown + doAssert(false, "getStorageLoc") of nkBracketExpr, nkDotExpr, nkObjDownConv, nkObjUpConv: result = getStorageLoc(n[0]) else: result = OnUnknown @@ -215,16 +212,20 @@ proc asgnComplexity(n: PNode): int = # 'case objects' are too difficult to inline their assignment operation: result = 100 of nkRecList: + result = 0 for t in items(n): result += asgnComplexity(t) - else: discard + else: result = 0 + else: + result = 0 proc optAsgnLoc(a: TLoc, t: PType, field: Rope): TLoc = assert field != "" - result.k = locField - result.storage = a.storage - result.lode = lodeTyp t - result.r = rdLoc(a) & "." & field + result = TLoc(k: locField, + storage: a.storage, + lode: lodeTyp t, + snippet: rdLoc(a) & "." & field + ) proc genOptAsgnTuple(p: BProc, dest, src: TLoc, flags: TAssignmentFlags) = let newflags = @@ -235,8 +236,7 @@ proc genOptAsgnTuple(p: BProc, dest, src: TLoc, flags: TAssignmentFlags) = else: flags let t = skipTypes(dest.t, abstractInst).getUniqueType() - for i in 0..<t.len: - let t = t[i] + for i, t in t.ikids: let field = "Field$1" % [i.rope] genAssignment(p, optAsgnLoc(dest, t, field), optAsgnLoc(src, t, field), newflags) @@ -254,9 +254,9 @@ proc genOptAsgnObject(p: BProc, dest, src: TLoc, flags: TAssignmentFlags, case t.kind of nkSym: let field = t.sym - if field.loc.r == "": fillObjectFields(p.module, typ) - genAssignment(p, optAsgnLoc(dest, field.typ, field.loc.r), - optAsgnLoc(src, field.typ, field.loc.r), newflags) + if field.loc.snippet == "": fillObjectFields(p.module, typ) + genAssignment(p, optAsgnLoc(dest, field.typ, field.loc.snippet), + optAsgnLoc(src, field.typ, field.loc.snippet), newflags) of nkRecList: for child in items(t): genOptAsgnObject(p, dest, src, newflags, child, typ) else: discard @@ -285,15 +285,22 @@ proc genGenericAsgn(p: BProc, dest, src: TLoc, flags: TAssignmentFlags) = linefmt(p, cpsStmts, "#genericAssign((void*)$1, (void*)$2, $3);$n", [addrLoc(p.config, dest), addrLoc(p.config, src), genTypeInfoV1(p.module, dest.t, dest.lode.info)]) -proc genOpenArrayConv(p: BProc; d: TLoc; a: TLoc) = +proc genOpenArrayConv(p: BProc; d: TLoc; a: TLoc; flags: TAssignmentFlags) = assert d.k != locNone # getTemp(p, d.t, d) case a.t.skipTypes(abstractVar).kind of tyOpenArray, tyVarargs: if reifiedOpenArray(a.lode): - linefmt(p, cpsStmts, "$1.Field0 = $2.Field0; $1.Field1 = $2.Field1;$n", - [rdLoc(d), a.rdLoc]) + if needTempForOpenArray in flags: + var tmp: TLoc = getTemp(p, a.t) + linefmt(p, cpsStmts, "$2 = $1; $n", + [a.rdLoc, tmp.rdLoc]) + linefmt(p, cpsStmts, "$1.Field0 = $2.Field0; $1.Field1 = $2.Field1;$n", + [rdLoc(d), tmp.rdLoc]) + else: + linefmt(p, cpsStmts, "$1.Field0 = $2.Field0; $1.Field1 = $2.Field1;$n", + [rdLoc(d), a.rdLoc]) else: linefmt(p, cpsStmts, "$1.Field0 = $2; $1.Field1 = $2Len_0;$n", [rdLoc(d), a.rdLoc]) @@ -336,15 +343,14 @@ proc genAssignment(p: BProc, dest, src: TLoc, flags: TAssignmentFlags) = of tyString: if optSeqDestructors in p.config.globalOptions: genGenericAsgn(p, dest, src, flags) - elif (needToCopy notin flags and src.storage != OnStatic) or canMove(p, src.lode, dest): + elif ({needToCopy, needToCopySinkParam} * flags == {} and src.storage != OnStatic) or canMove(p, src.lode, dest): genRefAssign(p, dest, src) else: if (dest.storage == OnStack and p.config.selectedGC != gcGo) or not usesWriteBarrier(p.config): linefmt(p, cpsStmts, "$1 = #copyString($2);$n", [dest.rdLoc, src.rdLoc]) elif dest.storage == OnHeap: # we use a temporary to care for the dreaded self assignment: - var tmp: TLoc - getTemp(p, ty, tmp) + var tmp: TLoc = getTemp(p, ty) linefmt(p, cpsStmts, "$3 = $1; $1 = #copyStringRC1($2);$n", [dest.rdLoc, src.rdLoc, tmp.rdLoc]) linefmt(p, cpsStmts, "if ($1) #nimGCunrefNoCycle($1);$n", [tmp.rdLoc]) @@ -362,7 +368,7 @@ proc genAssignment(p: BProc, dest, src: TLoc, flags: TAssignmentFlags) = linefmt(p, cpsStmts, "$1 = $2;$n", [rdLoc(dest), rdLoc(src)]) of tyTuple: if containsGarbageCollectedRef(dest.t): - if dest.t.len <= 4: genOptAsgnTuple(p, dest, src, flags) + if dest.t.kidsLen <= 4: genOptAsgnTuple(p, dest, src, flags) else: genGenericAsgn(p, dest, src, flags) else: linefmt(p, cpsStmts, "$1 = $2;$n", [rdLoc(dest), rdLoc(src)]) @@ -373,7 +379,8 @@ proc genAssignment(p: BProc, dest, src: TLoc, flags: TAssignmentFlags) = elif not isObjLackingTypeField(ty): genGenericAsgn(p, dest, src, flags) elif containsGarbageCollectedRef(ty): - if ty[0].isNil and asgnComplexity(ty.n) <= 4: + if ty[0].isNil and asgnComplexity(ty.n) <= 4 and + needAssignCall notin flags: # calls might contain side effects discard getTypeDesc(p.module, ty) internalAssert p.config, ty.n != nil genOptAsgnObject(p, dest, src, flags, ty.n, ty) @@ -382,7 +389,7 @@ proc genAssignment(p: BProc, dest, src: TLoc, flags: TAssignmentFlags) = else: linefmt(p, cpsStmts, "$1 = $2;$n", [rdLoc(dest), rdLoc(src)]) of tyArray: - if containsGarbageCollectedRef(dest.t) and p.config.selectedGC notin {gcArc, gcOrc, gcHooks}: + if containsGarbageCollectedRef(dest.t) and p.config.selectedGC notin {gcArc, gcAtomicArc, gcOrc, gcHooks}: genGenericAsgn(p, dest, src, flags) else: linefmt(p, cpsStmts, @@ -392,7 +399,7 @@ proc genAssignment(p: BProc, dest, src: TLoc, flags: TAssignmentFlags) = # open arrays are always on the stack - really? What if a sequence is # passed to an open array? if reifiedOpenArray(dest.lode): - genOpenArrayConv(p, dest, src) + genOpenArrayConv(p, dest, src, flags) elif containsGarbageCollectedRef(dest.t): linefmt(p, cpsStmts, # XXX: is this correct for arrays? "#genericAssignOpenArray((void*)$1, (void*)$2, $1Len_0, $3);$n", @@ -401,7 +408,7 @@ proc genAssignment(p: BProc, dest, src: TLoc, flags: TAssignmentFlags) = else: linefmt(p, cpsStmts, # bug #4799, keep the nimCopyMem for a while - #"#nimCopyMem((void*)$1, (NIM_CONST void*)$2, sizeof($1[0])*$1Len_0);$n", + #"#nimCopyMem((void*)$1, (NIM_CONST void*)$2, sizeof($1[0])*$1Len_0);\n", "$1 = $2;$n", [rdLoc(dest), rdLoc(src)]) of tySet: @@ -426,8 +433,7 @@ proc genAssignment(p: BProc, dest, src: TLoc, flags: TAssignmentFlags) = proc genDeepCopy(p: BProc; dest, src: TLoc) = template addrLocOrTemp(a: TLoc): Rope = if a.k == locExpr: - var tmp: TLoc - getTemp(p, a.t, tmp) + var tmp: TLoc = getTemp(p, a.t) genAssignment(p, tmp, a, {}) addrLoc(p.config, tmp) else: @@ -450,9 +456,10 @@ proc genDeepCopy(p: BProc; dest, src: TLoc) = [addrLoc(p.config, dest), rdLoc(src), genTypeInfoV1(p.module, dest.t, dest.lode.info)]) of tyOpenArray, tyVarargs: + let source = addrLocOrTemp(src) linefmt(p, cpsStmts, - "#genericDeepCopyOpenArray((void*)$1, (void*)$2, $1Len_0, $3);$n", - [addrLoc(p.config, dest), addrLocOrTemp(src), + "#genericDeepCopyOpenArray((void*)$1, (void*)$2, $2->Field1, $3);$n", + [addrLoc(p.config, dest), source, genTypeInfoV1(p.module, dest.t, dest.lode.info)]) of tySet: if mapSetType(p.config, ty) == ctArray: @@ -473,11 +480,10 @@ proc putLocIntoDest(p: BProc, d: var TLoc, s: TLoc) = d = s # ``d`` is free, so fill it with ``s`` proc putDataIntoDest(p: BProc, d: var TLoc, n: PNode, r: Rope) = - var a: TLoc if d.k != locNone: + var a: TLoc = initLoc(locData, n, OnStatic) # need to generate an assignment here - initLoc(a, locData, n, OnStatic) - a.r = r + a.snippet = r if lfNoDeepCopy in d.flags: genAssignment(p, d, a, {}) else: genAssignment(p, d, a, {needToCopy}) else: @@ -485,14 +491,13 @@ proc putDataIntoDest(p: BProc, d: var TLoc, n: PNode, r: Rope) = # the flags field! d.k = locData d.lode = n - d.r = r + d.snippet = r proc putIntoDest(p: BProc, d: var TLoc, n: PNode, r: Rope; s=OnUnknown) = - var a: TLoc if d.k != locNone: # need to generate an assignment here - initLoc(a, locExpr, n, s) - a.r = r + var a: TLoc = initLoc(locExpr, n, s) + a.snippet = r if lfNoDeepCopy in d.flags: genAssignment(p, d, a, {}) else: genAssignment(p, d, a, {needToCopy}) else: @@ -500,52 +505,45 @@ proc putIntoDest(p: BProc, d: var TLoc, n: PNode, r: Rope; s=OnUnknown) = # the flags field! d.k = locExpr d.lode = n - d.r = r + d.snippet = r proc binaryStmt(p: BProc, e: PNode, d: var TLoc, op: string) = - var a, b: TLoc if d.k != locNone: internalError(p.config, e.info, "binaryStmt") - initLocExpr(p, e[1], a) - initLocExpr(p, e[2], b) + var a = initLocExpr(p, e[1]) + var b = initLocExpr(p, e[2]) lineCg(p, cpsStmts, "$1 $2 $3;$n", [rdLoc(a), op, rdLoc(b)]) proc binaryStmtAddr(p: BProc, e: PNode, d: var TLoc, cpname: string) = - var a, b: TLoc if d.k != locNone: internalError(p.config, e.info, "binaryStmtAddr") - initLocExpr(p, e[1], a) - initLocExpr(p, e[2], b) + var a = initLocExpr(p, e[1]) + var b = initLocExpr(p, e[2]) lineCg(p, cpsStmts, "#$1($2, $3);$n", [cpname, byRefLoc(p, a), rdLoc(b)]) template unaryStmt(p: BProc, e: PNode, d: var TLoc, frmt: string) = - var a: TLoc if d.k != locNone: internalError(p.config, e.info, "unaryStmt") - initLocExpr(p, e[1], a) + var a: TLoc = initLocExpr(p, e[1]) lineCg(p, cpsStmts, frmt, [rdLoc(a)]) template binaryExpr(p: BProc, e: PNode, d: var TLoc, frmt: string) = - var a, b: TLoc assert(e[1].typ != nil) assert(e[2].typ != nil) - initLocExpr(p, e[1], a) - initLocExpr(p, e[2], b) + var a = initLocExpr(p, e[1]) + var b = initLocExpr(p, e[2]) putIntoDest(p, d, e, ropecg(p.module, frmt, [rdLoc(a), rdLoc(b)])) template binaryExprChar(p: BProc, e: PNode, d: var TLoc, frmt: string) = - var a, b: TLoc assert(e[1].typ != nil) assert(e[2].typ != nil) - initLocExpr(p, e[1], a) - initLocExpr(p, e[2], b) + var a = initLocExpr(p, e[1]) + var b = initLocExpr(p, e[2]) putIntoDest(p, d, e, ropecg(p.module, frmt, [a.rdCharLoc, b.rdCharLoc])) template unaryExpr(p: BProc, e: PNode, d: var TLoc, frmt: string) = - var a: TLoc - initLocExpr(p, e[1], a) + var a: TLoc = initLocExpr(p, e[1]) putIntoDest(p, d, e, ropecg(p.module, frmt, [rdLoc(a)])) template unaryExprChar(p: BProc, e: PNode, d: var TLoc, frmt: string) = - var a: TLoc - initLocExpr(p, e[1], a) + var a: TLoc = initLocExpr(p, e[1]) putIntoDest(p, d, e, ropecg(p.module, frmt, [rdCharLoc(a)])) template binaryArithOverflowRaw(p: BProc, t: PType, a, b: TLoc; @@ -585,15 +583,14 @@ proc binaryArithOverflow(p: BProc, e: PNode, d: var TLoc, m: TMagic) = "nimAddInt64", "nimSubInt64" ] opr: array[mAddI..mPred, string] = ["+", "-", "*", "/", "%", "+", "-"] - var a, b: TLoc assert(e[1].typ != nil) assert(e[2].typ != nil) - initLocExpr(p, e[1], a) - initLocExpr(p, e[2], b) + var a = initLocExpr(p, e[1]) + var b = initLocExpr(p, e[2]) # skipping 'range' is correct here as we'll generate a proper range check # later via 'chckRange' let t = e.typ.skipTypes(abstractRange) - if optOverflowCheck notin p.options: + if optOverflowCheck notin p.options or (m in {mSucc, mPred} and t.kind in {tyUInt..tyUInt64}): let res = "($1)($2 $3 $4)" % [getTypeDesc(p.module, e.typ), rdLoc(a), rope(opr[m]), rdLoc(b)] putIntoDest(p, d, e, res) else: @@ -615,15 +612,13 @@ proc binaryArithOverflow(p: BProc, e: PNode, d: var TLoc, m: TMagic) = if t.kind == tyInt64: prc64[m] else: prc[m]) putIntoDest(p, d, e, "($#)($#)" % [getTypeDesc(p.module, e.typ), res]) else: - let res = "($1)($2 $3 $4)" % [getTypeDesc(p.module, e.typ), rdLoc(a), rope(opr[m]), rdLoc(b)] + let res = "($1)(($2) $3 ($4))" % [getTypeDesc(p.module, e.typ), rdLoc(a), rope(opr[m]), rdLoc(b)] putIntoDest(p, d, e, res) proc unaryArithOverflow(p: BProc, e: PNode, d: var TLoc, m: TMagic) = - var - a: TLoc - t: PType + var t: PType assert(e[1].typ != nil) - initLocExpr(p, e[1], a) + var a: TLoc = initLocExpr(p, e[1]) t = skipTypes(e.typ, abstractRange) if optOverflowCheck in p.options: var first = newRopeAppender() @@ -645,12 +640,11 @@ proc unaryArithOverflow(p: BProc, e: PNode, d: var TLoc, m: TMagic) = proc binaryArith(p: BProc, e: PNode, d: var TLoc, op: TMagic) = var - a, b: TLoc - s, k: BiggestInt + s, k: BiggestInt = 0 assert(e[1].typ != nil) assert(e[2].typ != nil) - initLocExpr(p, e[1], a) - initLocExpr(p, e[2], b) + var a = initLocExpr(p, e[1]) + var b = initLocExpr(p, e[2]) # BUGFIX: cannot use result-type here, as it may be a boolean s = max(getSize(p.config, a.t), getSize(p.config, b.t)) * 8 k = getSize(p.config, a.t) * 8 @@ -704,11 +698,10 @@ proc binaryArith(p: BProc, e: PNode, d: var TLoc, op: TMagic) = assert(false, $op) proc genEqProc(p: BProc, e: PNode, d: var TLoc) = - var a, b: TLoc assert(e[1].typ != nil) assert(e[2].typ != nil) - initLocExpr(p, e[1], a) - initLocExpr(p, e[2], b) + var a = initLocExpr(p, e[1]) + var b = initLocExpr(p, e[2]) if a.t.skipTypes(abstractInstOwned).callConv == ccClosure: putIntoDest(p, d, e, "($1.ClP_0 == $2.ClP_0 && $1.ClE_0 == $2.ClE_0)" % [rdLoc(a), rdLoc(b)]) @@ -724,10 +717,9 @@ proc genIsNil(p: BProc, e: PNode, d: var TLoc) = proc unaryArith(p: BProc, e: PNode, d: var TLoc, op: TMagic) = var - a: TLoc t: PType assert(e[1].typ != nil) - initLocExpr(p, e[1], a) + var a = initLocExpr(p, e[1]) t = skipTypes(e.typ, abstractRange) template applyFormat(frmt: untyped) = @@ -752,23 +744,8 @@ proc isCppRef(p: BProc; typ: PType): bool {.inline.} = skipTypes(typ, abstractInstOwned).kind in {tyVar} and tfVarIsPtr notin skipTypes(typ, abstractInstOwned).flags -proc derefBlock(p: BProc, e: PNode, d: var TLoc) = - # We transform (block: x)[] to (block: x[]) - let e0 = e[0] - var n = shallowCopy(e0) - n.typ = e.typ - for i in 0 ..< e0.len - 1: - n[i] = e0[i] - n[e0.len-1] = newTreeIT(nkHiddenDeref, e.info, e.typ, e0[e0.len-1]) - expr p, n, d - proc genDeref(p: BProc, e: PNode, d: var TLoc) = - if e.kind == nkHiddenDeref and e[0].kind in {nkBlockExpr, nkBlockStmt}: - # bug #20107. Watch out to not deref the pointer too late. - derefBlock(p, e, d) - return - - let mt = mapType(p.config, e[0].typ, mapTypeChooser(e[0])) + let mt = mapType(p.config, e[0].typ, mapTypeChooser(e[0]) == skParam) if mt in {ctArray, ctPtrToArray} and lfEnforceDeref notin d.flags: # XXX the amount of hacks for C's arrays is incredible, maybe we should # simply wrap them in a struct? --> Losing auto vectorization then? @@ -779,13 +756,13 @@ proc genDeref(p: BProc, e: PNode, d: var TLoc) = var a: TLoc var typ = e[0].typ if typ.kind in {tyUserTypeClass, tyUserTypeClassInst} and typ.isResolvedUserTypeClass: - typ = typ.lastSon + typ = typ.last typ = typ.skipTypes(abstractInstOwned) if typ.kind in {tyVar} and tfVarIsPtr notin typ.flags and p.module.compileToCpp and e[0].kind == nkHiddenAddr: - initLocExprSingleUse(p, e[0][0], d) + d = initLocExprSingleUse(p, e[0][0]) return else: - initLocExprSingleUse(p, e[0], a) + a = initLocExprSingleUse(p, e[0]) if d.k == locNone: # dest = *a; <-- We do not know that 'dest' is on the heap! # It is completely wrong to set 'd.storage' here, unless it's not yet @@ -822,8 +799,7 @@ proc cowBracket(p: BProc; n: PNode) = if n.kind == nkBracketExpr and optSeqDestructors in p.config.globalOptions: let strCandidate = n[0] if strCandidate.typ.skipTypes(abstractInst).kind == tyString: - var a: TLoc - initLocExpr(p, strCandidate, a) + var a: TLoc = initLocExpr(p, strCandidate) linefmt(p, cpsStmts, "#nimPrepareStrMutationV2($1);$n", [byRefLoc(p, a)]) proc cow(p: BProc; n: PNode) {.inline.} = @@ -832,31 +808,30 @@ proc cow(p: BProc; n: PNode) {.inline.} = proc genAddr(p: BProc, e: PNode, d: var TLoc) = # careful 'addr(myptrToArray)' needs to get the ampersand: if e[0].typ.skipTypes(abstractInstOwned).kind in {tyRef, tyPtr}: - var a: TLoc - initLocExpr(p, e[0], a) - putIntoDest(p, d, e, "&" & a.r, a.storage) + var a: TLoc = initLocExpr(p, e[0]) + putIntoDest(p, d, e, "&" & a.snippet, a.storage) #Message(e.info, warnUser, "HERE NEW &") - elif mapType(p.config, e[0].typ, mapTypeChooser(e[0])) == ctArray or isCppRef(p, e.typ): + elif mapType(p.config, e[0].typ, mapTypeChooser(e[0]) == skParam) == ctArray or isCppRef(p, e.typ): expr(p, e[0], d) + # bug #19497 + d.lode = e else: - var a: TLoc - initLocExpr(p, e[0], a) + var a: TLoc = initLocExpr(p, e[0]) putIntoDest(p, d, e, addrLoc(p.config, a), a.storage) template inheritLocation(d: var TLoc, a: TLoc) = if d.k == locNone: d.storage = a.storage -proc genRecordFieldAux(p: BProc, e: PNode, d, a: var TLoc) = - initLocExpr(p, e[0], a) +proc genRecordFieldAux(p: BProc, e: PNode, d: var TLoc, a: var TLoc) = + a = initLocExpr(p, e[0]) if e[1].kind != nkSym: internalError(p.config, e.info, "genRecordFieldAux") d.inheritLocation(a) discard getTypeDesc(p.module, a.t) # fill the record's fields.loc proc genTupleElem(p: BProc, e: PNode, d: var TLoc) = var - a: TLoc - i: int - initLocExpr(p, e[0], a) + i: int = 0 + var a: TLoc = initLocExpr(p, e[0]) let tupType = a.t.skipTypes(abstractInst+{tyVar}) assert tupType.kind == tyTuple d.inheritLocation(a) @@ -870,6 +845,7 @@ proc genTupleElem(p: BProc, e: PNode, d: var TLoc) = proc lookupFieldAgain(p: BProc, ty: PType; field: PSym; r: var Rope; resTyp: ptr PType = nil): PSym = + result = nil var ty = ty assert r != "" while ty != nil: @@ -884,7 +860,13 @@ proc lookupFieldAgain(p: BProc, ty: PType; field: PSym; r: var Rope; if result == nil: internalError(p.config, field.info, "genCheckedRecordField") proc genRecordField(p: BProc, e: PNode, d: var TLoc) = - var a: TLoc + var a: TLoc = default(TLoc) + if p.module.compileToCpp and e.kind == nkDotExpr and e[1].kind == nkSym and e[1].typ.kind == tyPtr: + # special case for C++: we need to pull the type of the field as member and friends require the complete type. + let typ = e[1].typ.elementType + if typ.itemId in p.module.g.graph.memberProcsPerType: + discard getTypeDesc(p.module, typ) + genRecordFieldAux(p, e, d, a) var r = rdLoc(a) var f = e[1].sym @@ -896,12 +878,12 @@ proc genRecordField(p: BProc, e: PNode, d: var TLoc) = r.add rope(f.position) putIntoDest(p, d, e, r, a.storage) else: - var rtyp: PType + var rtyp: PType = nil let field = lookupFieldAgain(p, ty, f, r, addr rtyp) - if field.loc.r == "" and rtyp != nil: fillObjectFields(p.module, rtyp) - if field.loc.r == "": internalError(p.config, e.info, "genRecordField 3 " & typeToString(ty)) + if field.loc.snippet == "" and rtyp != nil: fillObjectFields(p.module, rtyp) + if field.loc.snippet == "": internalError(p.config, e.info, "genRecordField 3 " & typeToString(ty)) r.add "." - r.add field.loc.r + r.add field.loc.snippet putIntoDest(p, d, e, r, a.storage) r.freeze @@ -917,13 +899,13 @@ proc genFieldCheck(p: BProc, e: PNode, obj: Rope, field: PSym) = if op.magic == mNot: it = it[1] let disc = it[2].skipConv assert(disc.kind == nkSym) - initLoc(test, locNone, it, OnStack) - initLocExpr(p, it[1], u) - initLoc(v, locExpr, disc, OnUnknown) - v.r = newRopeAppender() - v.r.add obj - v.r.add(".") - v.r.add(disc.sym.loc.r) + test = initLoc(locNone, it, OnStack) + u = initLocExpr(p, it[1]) + v = initLoc(locExpr, disc, OnUnknown) + v.snippet = newRopeAppender() + v.snippet.add obj + v.snippet.add(".") + v.snippet.add(disc.sym.loc.snippet) genInExprAux(p, it, u, v, test) var msg = "" if optDeclaredLocs in p.config.globalOptions: @@ -945,10 +927,17 @@ proc genFieldCheck(p: BProc, e: PNode, obj: Rope, field: PSym) = var discIndex = newRopeAppender() rdSetElemLoc(p.config, v, u.t, discIndex) if optTinyRtti in p.config.globalOptions: - # not sure how to use `genEnumToStr` here - if p.config.getStdlibVersion < (1, 5, 1): - const code = "{ #raiseFieldError($1); " - linefmt(p, cpsStmts, code, [strLit]) + let base = disc.typ.skipTypes(abstractInst+{tyRange}) + case base.kind + of tyEnum: + const code = "{ #raiseFieldErrorStr($1, $2); " + let toStrProc = getToStringProc(p.module.g.graph, base) + # XXX need to modify this logic for IC. + # need to analyze nkFieldCheckedExpr and marks procs "used" like range checks in dce + var toStr: TLoc = default(TLoc) + expr(p, newSymNode(toStrProc), toStr) + let enumStr = "$1($2)" % [rdLoc(toStr), rdLoc(v)] + linefmt(p, cpsStmts, code, [strLit, enumStr]) else: const code = "{ #raiseFieldError2($1, (NI)$2); " linefmt(p, cpsStmts, code, [strLit, discIndex]) @@ -959,12 +948,8 @@ proc genFieldCheck(p: BProc, e: PNode, obj: Rope, field: PSym) = var firstLit = newRopeAppender() int64Literal(cast[int](first), firstLit) let discName = genTypeInfo(p.config, p.module, disc.sym.typ, e.info) - if p.config.getStdlibVersion < (1,5,1): - const code = "{ #raiseFieldError($1); " - linefmt(p, cpsStmts, code, [strLit]) - else: - const code = "{ #raiseFieldError2($1, #reprDiscriminant(((NI)$2) + (NI)$3, $4)); " - linefmt(p, cpsStmts, code, [strLit, discIndex, firstLit, discName]) + const code = "{ #raiseFieldError2($1, #reprDiscriminant(((NI)$2) + (NI)$3, $4)); " + linefmt(p, cpsStmts, code, [strLit, discIndex, firstLit, discName]) raiseInstr(p, p.s(cpsStmts)) linefmt p, cpsStmts, "}$n", [] @@ -972,35 +957,33 @@ proc genFieldCheck(p: BProc, e: PNode, obj: Rope, field: PSym) = proc genCheckedRecordField(p: BProc, e: PNode, d: var TLoc) = assert e[0].kind == nkDotExpr if optFieldCheck in p.options: - var a: TLoc + var a: TLoc = default(TLoc) genRecordFieldAux(p, e[0], d, a) let ty = skipTypes(a.t, abstractInst + tyUserTypeClasses) var r = rdLoc(a) let f = e[0][1].sym let field = lookupFieldAgain(p, ty, f, r) - if field.loc.r == "": fillObjectFields(p.module, ty) - if field.loc.r == "": + if field.loc.snippet == "": fillObjectFields(p.module, ty) + if field.loc.snippet == "": internalError(p.config, e.info, "genCheckedRecordField") # generate the checks: genFieldCheck(p, e, r, field) r.add(".") - r.add field.loc.r + r.add field.loc.snippet putIntoDest(p, d, e[0], r, a.storage) r.freeze else: genRecordField(p, e[0], d) proc genUncheckedArrayElem(p: BProc, n, x, y: PNode, d: var TLoc) = - var a, b: TLoc - initLocExpr(p, x, a) - initLocExpr(p, y, b) + var a = initLocExpr(p, x) + var b = initLocExpr(p, y) d.inheritLocation(a) putIntoDest(p, d, n, ropecg(p.module, "$1[$2]", [rdLoc(a), rdCharLoc(b)]), a.storage) proc genArrayElem(p: BProc, n, x, y: PNode, d: var TLoc) = - var a, b: TLoc - initLocExpr(p, x, a) - initLocExpr(p, y, b) + var a = initLocExpr(p, x) + var b = initLocExpr(p, y) var ty = skipTypes(a.t, abstractVarRange + abstractPtrs + tyUserTypeClasses) var first = newRopeAppender() intLiteral(firstOrd(p.config, ty), first) @@ -1033,15 +1016,14 @@ proc genArrayElem(p: BProc, n, x, y: PNode, d: var TLoc) = ropecg(p.module, "$1[($2)- $3]", [rdLoc(a), rdCharLoc(b), first]), a.storage) proc genCStringElem(p: BProc, n, x, y: PNode, d: var TLoc) = - var a, b: TLoc - initLocExpr(p, x, a) - initLocExpr(p, y, b) + var a = initLocExpr(p, x) + var b = initLocExpr(p, y) inheritLocation(d, a) putIntoDest(p, d, n, ropecg(p.module, "$1[$2]", [rdLoc(a), rdCharLoc(b)]), a.storage) -proc genBoundsCheck(p: BProc; arr, a, b: TLoc) = - let ty = skipTypes(arr.t, abstractVarRange) +proc genBoundsCheck(p: BProc; arr, a, b: TLoc; arrTyp: PType) = + let ty = arrTyp case ty.kind of tyOpenArray, tyVarargs: if reifiedOpenArray(arr.lode): @@ -1081,9 +1063,8 @@ proc genBoundsCheck(p: BProc; arr, a, b: TLoc) = else: discard proc genOpenArrayElem(p: BProc, n, x, y: PNode, d: var TLoc) = - var a, b: TLoc - initLocExpr(p, x, a) - initLocExpr(p, y, b) + var a = initLocExpr(p, x) + var b = initLocExpr(p, y) if not reifiedOpenArray(x): # emit range check: if optBoundsCheck in p.options: @@ -1107,12 +1088,12 @@ proc genOpenArrayElem(p: BProc, n, x, y: PNode, d: var TLoc) = ropecg(p.module, "$1.Field0[$2]", [rdLoc(a), rdCharLoc(b)]), a.storage) proc genSeqElem(p: BProc, n, x, y: PNode, d: var TLoc) = - var a, b: TLoc - initLocExpr(p, x, a) - initLocExpr(p, y, b) + var a = initLocExpr(p, x) + var b = initLocExpr(p, y) var ty = skipTypes(a.t, abstractVarRange) if ty.kind in {tyRef, tyPtr}: - ty = skipTypes(ty.lastSon, abstractVarRange) # emit range check: + ty = skipTypes(ty.elementType, abstractVarRange) + # emit range check: if optBoundsCheck in p.options: linefmt(p, cpsStmts, "if ($1 < 0 || $1 >= $2){ #raiseIndexError2($1,$2-1); ", @@ -1122,7 +1103,7 @@ proc genSeqElem(p: BProc, n, x, y: PNode, d: var TLoc) = if d.k == locNone: d.storage = OnHeap if skipTypes(a.t, abstractVar).kind in {tyRef, tyPtr}: - a.r = ropecg(p.module, "(*$1)", [a.r]) + a.snippet = ropecg(p.module, "(*$1)", [a.snippet]) if lfPrepareForMutation in d.flags and ty.kind == tyString and optSeqDestructors in p.config.globalOptions: @@ -1132,7 +1113,7 @@ proc genSeqElem(p: BProc, n, x, y: PNode, d: var TLoc) = proc genBracketExpr(p: BProc; n: PNode; d: var TLoc) = var ty = skipTypes(n[0].typ, abstractVarRange + tyUserTypeClasses) - if ty.kind in {tyRef, tyPtr}: ty = skipTypes(ty.lastSon, abstractVarRange) + if ty.kind in {tyRef, tyPtr}: ty = skipTypes(ty.elementType, abstractVarRange) case ty.kind of tyUncheckedArray: genUncheckedArrayElem(p, n, n[0], n[1], d) of tyArray: genArrayElem(p, n, n[0], n[1], d) @@ -1157,8 +1138,7 @@ proc isSimpleExpr(n: PNode): bool = if n[i].kind notin {nkCommentStmt, nkEmpty}: return false result = isSimpleExpr(n.lastSon) else: - if n.isAtom: - result = true + result = n.isAtom proc genAndOr(p: BProc, e: PNode, d: var TLoc, m: TMagic) = # how to generate code? @@ -1183,16 +1163,15 @@ proc genAndOr(p: BProc, e: PNode, d: var TLoc, m: TMagic) = # a = tmp when false: #if isSimpleExpr(e) and p.module.compileToCpp: - var tmpA, tmpB: TLoc #getTemp(p, e.typ, tmpA) #getTemp(p, e.typ, tmpB) - initLocExprSingleUse(p, e[1], tmpA) - initLocExprSingleUse(p, e[2], tmpB) + var tmpA = initLocExprSingleUse(p, e[1]) + var tmpB = initLocExprSingleUse(p, e[2]) tmpB.k = locExpr if m == mOr: - tmpB.r = "((" & rdLoc(tmpA) & ")||(" & rdLoc(tmpB) & "))" + tmpB.snippet = "((" & rdLoc(tmpA) & ")||(" & rdLoc(tmpB) & "))" else: - tmpB.r = "((" & rdLoc(tmpA) & ")&&(" & rdLoc(tmpB) & "))" + tmpB.snippet = "((" & rdLoc(tmpA) & ")&&(" & rdLoc(tmpB) & "))" if d.k == locNone: d = tmpB else: @@ -1200,8 +1179,7 @@ proc genAndOr(p: BProc, e: PNode, d: var TLoc, m: TMagic) = else: var L: TLabel - tmp: TLoc - getTemp(p, e.typ, tmp) # force it into a temp! + var tmp: TLoc = getTemp(p, e.typ) # force it into a temp! inc p.splitDecls expr(p, e[1], tmp) L = getLabel(p) @@ -1229,7 +1207,7 @@ proc genEcho(p: BProc, n: PNode) = if it.skipConv.kind == nkNilLit: args.add(", \"\"") elif n.len != 0: - initLocExpr(p, it, a) + a = initLocExpr(p, it) if i > 0: args.add(", ") case detectStrVersion(p.module) @@ -1244,8 +1222,7 @@ proc genEcho(p: BProc, n: PNode) = if n.len == 0: linefmt(p, cpsStmts, "#echoBinSafe(NIM_NIL, $1);$n", [n.len]) else: - var a: TLoc - initLocExpr(p, n, a) + var a: TLoc = initLocExpr(p, n) linefmt(p, cpsStmts, "#echoBinSafe($1, $2);$n", [a.rdLoc, n.len]) when false: p.module.includeHeader("<stdio.h>") @@ -1279,14 +1256,14 @@ proc genStrConcat(p: BProc, e: PNode, d: var TLoc) = # appendChar(tmp0, 'z'); # asgn(s, tmp0); # } - var a, tmp: TLoc - getTemp(p, e.typ, tmp) + var a: TLoc + var tmp: TLoc = getTemp(p, e.typ) var L = 0 var appends: Rope = "" var lens: Rope = "" for i in 0..<e.len - 1: # compute the length expression: - initLocExpr(p, e[i + 1], a) + a = initLocExpr(p, e[i + 1]) if skipTypes(e[i + 1].typ, abstractVarRange).kind == tyChar: inc(L) appends.add(ropecg(p.module, "#appendChar($1, $2);$n", [strLoc(p, tmp), rdLoc(a)])) @@ -1297,7 +1274,7 @@ proc genStrConcat(p: BProc, e: PNode, d: var TLoc) = lens.add(lenExpr(p, a)) lens.add(" + ") appends.add(ropecg(p.module, "#appendString($1, $2);$n", [strLoc(p, tmp), rdLoc(a)])) - linefmt(p, cpsStmts, "$1 = #rawNewString($2$3);$n", [tmp.r, lens, L]) + linefmt(p, cpsStmts, "$1 = #rawNewString($2$3);$n", [tmp.snippet, lens, L]) p.s(cpsStmts).add appends if d.k == locNone: d = tmp @@ -1318,14 +1295,14 @@ proc genStrAppend(p: BProc, e: PNode, d: var TLoc) = # appendChar(s, 'z'); # } var - a, dest, call: TLoc - appends, lens: Rope + a, call: TLoc + appends, lens: Rope = "" assert(d.k == locNone) var L = 0 - initLocExpr(p, e[1], dest) + var dest = initLocExpr(p, e[1]) for i in 0..<e.len - 2: # compute the length expression: - initLocExpr(p, e[i + 2], a) + a = initLocExpr(p, e[i + 2]) if skipTypes(e[i + 2].typ, abstractVarRange).kind == tyChar: inc(L) appends.add(ropecg(p.module, "#appendChar($1, $2);$n", @@ -1342,8 +1319,8 @@ proc genStrAppend(p: BProc, e: PNode, d: var TLoc) = linefmt(p, cpsStmts, "#prepareAdd($1, $2$3);$n", [byRefLoc(p, dest), lens, L]) else: - initLoc(call, locCall, e, OnHeap) - call.r = ropecg(p.module, "#resizeString($1, $2$3)", [rdLoc(dest), lens, L]) + call = initLoc(locCall, e, OnHeap) + call.snippet = ropecg(p.module, "#resizeString($1, $2$3)", [rdLoc(dest), lens, L]) genAssignment(p, dest, call, {}) gcUsage(p.config, e) p.s(cpsStmts).add appends @@ -1352,19 +1329,18 @@ proc genSeqElemAppend(p: BProc, e: PNode, d: var TLoc) = # seq &= x --> # seq = (typeof seq) incrSeq(&seq->Sup, sizeof(x)); # seq->data[seq->len-1] = x; - var a, b, dest, tmpL, call: TLoc - initLocExpr(p, e[1], a) - initLocExpr(p, e[2], b) + var a = initLocExpr(p, e[1]) + var b = initLocExpr(p, e[2]) let seqType = skipTypes(e[1].typ, {tyVar}) - initLoc(call, locCall, e, OnHeap) + var call = initLoc(locCall, e, OnHeap) if not p.module.compileToCpp: const seqAppendPattern = "($2) #incrSeqV3((TGenericSeq*)($1), $3)" - call.r = ropecg(p.module, seqAppendPattern, [rdLoc(a), + call.snippet = ropecg(p.module, seqAppendPattern, [rdLoc(a), getTypeDesc(p.module, e[1].typ), genTypeInfoV1(p.module, seqType, e.info)]) else: const seqAppendPattern = "($2) #incrSeqV3($1, $3)" - call.r = ropecg(p.module, seqAppendPattern, [rdLoc(a), + call.snippet = ropecg(p.module, seqAppendPattern, [rdLoc(a), getTypeDesc(p.module, e[1].typ), genTypeInfoV1(p.module, seqType, e.info)]) # emit the write barrier if required, but we can always move here, so @@ -1372,43 +1348,33 @@ proc genSeqElemAppend(p: BProc, e: PNode, d: var TLoc) = genRefAssign(p, a, call) #if bt != b.t: # echo "YES ", e.info, " new: ", typeToString(bt), " old: ", typeToString(b.t) - initLoc(dest, locExpr, e[2], OnHeap) - getIntTemp(p, tmpL) - lineCg(p, cpsStmts, "$1 = $2->$3++;$n", [tmpL.r, rdLoc(a), lenField(p)]) - dest.r = ropecg(p.module, "$1$3[$2]", [rdLoc(a), tmpL.r, dataField(p)]) + var dest = initLoc(locExpr, e[2], OnHeap) + var tmpL = getIntTemp(p) + lineCg(p, cpsStmts, "$1 = $2->$3++;$n", [tmpL.snippet, rdLoc(a), lenField(p)]) + dest.snippet = ropecg(p.module, "$1$3[$2]", [rdLoc(a), tmpL.snippet, dataField(p)]) genAssignment(p, dest, b, {needToCopy}) gcUsage(p.config, e) -proc genReset(p: BProc, n: PNode) = - var a: TLoc - initLocExpr(p, n[1], a) - specializeReset(p, a) - when false: - linefmt(p, cpsStmts, "#genericReset((void*)$1, $2);$n", - [addrLoc(p.config, a), - genTypeInfoV1(p.module, skipTypes(a.t, {tyVar}), n.info)]) - proc genDefault(p: BProc; n: PNode; d: var TLoc) = - if d.k == locNone: getTemp(p, n.typ, d, needsInit=true) + if d.k == locNone: d = getTemp(p, n.typ, needsInit=true) else: resetLoc(p, d) proc rawGenNew(p: BProc, a: var TLoc, sizeExpr: Rope; needsInit: bool) = var sizeExpr = sizeExpr let typ = a.t - var b: TLoc - initLoc(b, locExpr, a.lode, OnHeap) + var b: TLoc = initLoc(locExpr, a.lode, OnHeap) let refType = typ.skipTypes(abstractInstOwned) assert refType.kind == tyRef - let bt = refType.lastSon + let bt = refType.elementType if sizeExpr == "": sizeExpr = "sizeof($1)" % [getTypeDesc(p.module, bt)] if optTinyRtti in p.config.globalOptions: if needsInit: - b.r = ropecg(p.module, "($1) #nimNewObj($2, NIM_ALIGNOF($3))", + b.snippet = ropecg(p.module, "($1) #nimNewObj($2, NIM_ALIGNOF($3))", [getTypeDesc(p.module, typ), sizeExpr, getTypeDesc(p.module, bt)]) else: - b.r = ropecg(p.module, "($1) #nimNewObjUninit($2, NIM_ALIGNOF($3))", + b.snippet = ropecg(p.module, "($1) #nimNewObjUninit($2, NIM_ALIGNOF($3))", [getTypeDesc(p.module, typ), sizeExpr, getTypeDesc(p.module, bt)]) genAssignment(p, a, b, {}) else: @@ -1422,38 +1388,35 @@ proc rawGenNew(p: BProc, a: var TLoc, sizeExpr: Rope; needsInit: bool) = localError(p.module.config, a.lode.info, "the destructor that is turned into a finalizer needs " & "to have the 'nimcall' calling convention") - var f: TLoc - initLocExpr(p, newSymNode(op), f) + var f: TLoc = initLocExpr(p, newSymNode(op)) p.module.s[cfsTypeInit3].addf("$1->finalizer = (void*)$2;$n", [ti, rdLoc(f)]) if a.storage == OnHeap and usesWriteBarrier(p.config): - if canFormAcycle(a.t): + if canFormAcycle(p.module.g.graph, a.t): linefmt(p, cpsStmts, "if ($1) { #nimGCunrefRC1($1); $1 = NIM_NIL; }$n", [a.rdLoc]) else: linefmt(p, cpsStmts, "if ($1) { #nimGCunrefNoCycle($1); $1 = NIM_NIL; }$n", [a.rdLoc]) if p.config.selectedGC == gcGo: # newObjRC1() would clash with unsureAsgnRef() - which is used by gcGo to # implement the write barrier - b.r = ropecg(p.module, "($1) #newObj($2, $3)", [getTypeDesc(p.module, typ), ti, sizeExpr]) + b.snippet = ropecg(p.module, "($1) #newObj($2, $3)", [getTypeDesc(p.module, typ), ti, sizeExpr]) linefmt(p, cpsStmts, "#unsureAsgnRef((void**) $1, $2);$n", [addrLoc(p.config, a), b.rdLoc]) else: # use newObjRC1 as an optimization - b.r = ropecg(p.module, "($1) #newObjRC1($2, $3)", [getTypeDesc(p.module, typ), ti, sizeExpr]) + b.snippet = ropecg(p.module, "($1) #newObjRC1($2, $3)", [getTypeDesc(p.module, typ), ti, sizeExpr]) linefmt(p, cpsStmts, "$1 = $2;$n", [a.rdLoc, b.rdLoc]) else: - b.r = ropecg(p.module, "($1) #newObj($2, $3)", [getTypeDesc(p.module, typ), ti, sizeExpr]) + b.snippet = ropecg(p.module, "($1) #newObj($2, $3)", [getTypeDesc(p.module, typ), ti, sizeExpr]) genAssignment(p, a, b, {}) # set the object type: genObjectInit(p, cpsStmts, bt, a, constructRefObj) proc genNew(p: BProc, e: PNode) = - var a: TLoc - initLocExpr(p, e[1], a) + var a: TLoc = initLocExpr(p, e[1]) # 'genNew' also handles 'unsafeNew': if e.len == 3: - var se: TLoc - initLocExpr(p, e[2], se) + var se: TLoc = initLocExpr(p, e[2]) rawGenNew(p, a, se.rdLoc, needsInit = true) else: rawGenNew(p, a, "", needsInit = true) @@ -1461,40 +1424,38 @@ proc genNew(p: BProc, e: PNode) = proc genNewSeqAux(p: BProc, dest: TLoc, length: Rope; lenIsZero: bool) = let seqtype = skipTypes(dest.t, abstractVarRange) - var call: TLoc - initLoc(call, locExpr, dest.lode, OnHeap) + var call: TLoc = initLoc(locExpr, dest.lode, OnHeap) if dest.storage == OnHeap and usesWriteBarrier(p.config): - if canFormAcycle(dest.t): + if canFormAcycle(p.module.g.graph, dest.t): linefmt(p, cpsStmts, "if ($1) { #nimGCunrefRC1($1); $1 = NIM_NIL; }$n", [dest.rdLoc]) else: linefmt(p, cpsStmts, "if ($1) { #nimGCunrefNoCycle($1); $1 = NIM_NIL; }$n", [dest.rdLoc]) if not lenIsZero: if p.config.selectedGC == gcGo: # we need the write barrier - call.r = ropecg(p.module, "($1) #newSeq($2, $3)", [getTypeDesc(p.module, seqtype), + call.snippet = ropecg(p.module, "($1) #newSeq($2, $3)", [getTypeDesc(p.module, seqtype), genTypeInfoV1(p.module, seqtype, dest.lode.info), length]) linefmt(p, cpsStmts, "#unsureAsgnRef((void**) $1, $2);$n", [addrLoc(p.config, dest), call.rdLoc]) else: - call.r = ropecg(p.module, "($1) #newSeqRC1($2, $3)", [getTypeDesc(p.module, seqtype), + call.snippet = ropecg(p.module, "($1) #newSeqRC1($2, $3)", [getTypeDesc(p.module, seqtype), genTypeInfoV1(p.module, seqtype, dest.lode.info), length]) linefmt(p, cpsStmts, "$1 = $2;$n", [dest.rdLoc, call.rdLoc]) else: if lenIsZero: - call.r = rope"NIM_NIL" + call.snippet = rope"NIM_NIL" else: - call.r = ropecg(p.module, "($1) #newSeq($2, $3)", [getTypeDesc(p.module, seqtype), + call.snippet = ropecg(p.module, "($1) #newSeq($2, $3)", [getTypeDesc(p.module, seqtype), genTypeInfoV1(p.module, seqtype, dest.lode.info), length]) genAssignment(p, dest, call, {}) proc genNewSeq(p: BProc, e: PNode) = - var a, b: TLoc - initLocExpr(p, e[1], a) - initLocExpr(p, e[2], b) + var a = initLocExpr(p, e[1]) + var b = initLocExpr(p, e[2]) if optSeqDestructors in p.config.globalOptions: let seqtype = skipTypes(e[1].typ, abstractVarRange) linefmt(p, cpsStmts, "$1.len = $2; $1.p = ($4*) #newSeqPayload($2, sizeof($3), NIM_ALIGNOF($3));$n", [a.rdLoc, b.rdLoc, - getTypeDesc(p.module, seqtype.lastSon), + getTypeDesc(p.module, seqtype.elementType), getSeqPayloadType(p.module, seqtype)]) else: let lenIsZero = e[2].kind == nkIntLit and e[2].intVal == 0 @@ -1503,15 +1464,15 @@ proc genNewSeq(p: BProc, e: PNode) = proc genNewSeqOfCap(p: BProc; e: PNode; d: var TLoc) = let seqtype = skipTypes(e.typ, abstractVarRange) - var a: TLoc - initLocExpr(p, e[1], a) + var a: TLoc = initLocExpr(p, e[1]) if optSeqDestructors in p.config.globalOptions: - if d.k == locNone: getTemp(p, e.typ, d, needsInit=false) - linefmt(p, cpsStmts, "$1.len = 0; $1.p = ($4*) #newSeqPayload($2, sizeof($3), NIM_ALIGNOF($3));$n", - [d.rdLoc, a.rdLoc, getTypeDesc(p.module, seqtype.lastSon), + if d.k == locNone: d = getTemp(p, e.typ, needsInit=false) + linefmt(p, cpsStmts, "$1.len = 0; $1.p = ($4*) #newSeqPayloadUninit($2, sizeof($3), NIM_ALIGNOF($3));$n", + [d.rdLoc, a.rdLoc, getTypeDesc(p.module, seqtype.elementType), getSeqPayloadType(p.module, seqtype), ]) else: + if d.k == locNone: d = getTemp(p, e.typ, needsInit=false) # bug #22560 putIntoDest(p, d, e, ropecg(p.module, "($1)#nimNewSeqOfCap($2, $3)", [ getTypeDesc(p.module, seqtype), @@ -1526,9 +1487,13 @@ proc rawConstExpr(p: BProc, n: PNode; d: var TLoc) = if id == p.module.labels: # expression not found in the cache: inc(p.module.labels) - p.module.s[cfsData].addf("static NIM_CONST $1 $2 = ", [getTypeDesc(p.module, t), d.r]) - genBracedInit(p, n, isConst = true, t, p.module.s[cfsData]) - p.module.s[cfsData].addf(";$n", []) + var data = "static NIM_CONST $1 $2 = " % [getTypeDesc(p.module, t), d.snippet] + # bug #23627; when generating const object fields, it's likely that + # we need to generate type infos for the object, which may be an object with + # custom hooks. We need to generate potential consts in the hooks first. + genBracedInit(p, n, isConst = true, t, data) + data.addf(";$n", []) + p.module.s[cfsData].add data proc handleConstExpr(p: BProc, n: PNode, d: var TLoc): bool = if d.k == locNone and n.len > ord(n.kind == nkObjConstr) and n.isDeepConstExpr: @@ -1537,8 +1502,31 @@ proc handleConstExpr(p: BProc, n: PNode, d: var TLoc): bool = else: result = false + +proc genFieldObjConstr(p: BProc; ty: PType; useTemp, isRef: bool; nField, val, check: PNode; d: var TLoc; r: Rope; info: TLineInfo) = + var tmp2 = TLoc(snippet: r) + let field = lookupFieldAgain(p, ty, nField.sym, tmp2.snippet) + if field.loc.snippet == "": fillObjectFields(p.module, ty) + if field.loc.snippet == "": internalError(p.config, info, "genFieldObjConstr") + if check != nil and optFieldCheck in p.options: + genFieldCheck(p, check, r, field) + tmp2.snippet.add(".") + tmp2.snippet.add(field.loc.snippet) + if useTemp: + tmp2.k = locTemp + tmp2.storage = if isRef: OnHeap else: OnStack + else: + tmp2.k = d.k + tmp2.storage = if isRef: OnHeap else: d.storage + tmp2.lode = val + if nField.typ.skipTypes(abstractVar).kind in {tyOpenArray, tyVarargs}: + var tmp3 = getTemp(p, val.typ) + expr(p, val, tmp3) + genOpenArrayConv(p, tmp2, tmp3, {}) + else: + expr(p, val, tmp2) + proc genObjConstr(p: BProc, e: PNode, d: var TLoc) = - #echo renderTree e, " ", e.isDeepConstExpr # inheritance in C++ does not allow struct initialization so # we skip this step here: if not p.module.compileToCpp and optSeqDestructors notin p.config.globalOptions: @@ -1559,42 +1547,33 @@ proc genObjConstr(p: BProc, e: PNode, d: var TLoc) = (d.k notin {locTemp,locLocalVar,locGlobalVar,locParam,locField}) or (isPartOf(d.lode, e) != arNo) - var tmp: TLoc + var tmp: TLoc = default(TLoc) var r: Rope + let needsZeroMem = p.config.selectedGC notin {gcArc, gcAtomicArc, gcOrc} or nfAllFieldsSet notin e.flags if useTemp: - getTemp(p, t, tmp) + tmp = getTemp(p, t) r = rdLoc(tmp) if isRef: rawGenNew(p, tmp, "", needsInit = nfAllFieldsSet notin e.flags) - t = t.lastSon.skipTypes(abstractInstOwned) + t = t.elementType.skipTypes(abstractInstOwned) r = "(*$1)" % [r] gcUsage(p.config, e) - else: + elif needsZeroMem: constructLoc(p, tmp) + else: + genObjectInit(p, cpsStmts, t, tmp, constructObj) else: - resetLoc(p, d) + if needsZeroMem: resetLoc(p, d) + else: genObjectInit(p, cpsStmts, d.t, d, if isRef: constructRefObj else: constructObj) r = rdLoc(d) discard getTypeDesc(p.module, t) let ty = getUniqueType(t) for i in 1..<e.len: - let it = e[i] - var tmp2: TLoc - tmp2.r = r - let field = lookupFieldAgain(p, ty, it[0].sym, tmp2.r) - if field.loc.r == "": fillObjectFields(p.module, ty) - if field.loc.r == "": internalError(p.config, e.info, "genObjConstr") - if it.len == 3 and optFieldCheck in p.options: - genFieldCheck(p, it[2], r, field) - tmp2.r.add(".") - tmp2.r.add(field.loc.r) - if useTemp: - tmp2.k = locTemp - tmp2.storage = if isRef: OnHeap else: OnStack - else: - tmp2.k = d.k - tmp2.storage = if isRef: OnHeap else: d.storage - tmp2.lode = it[1] - expr(p, it[1], tmp2) + var check: PNode = nil + if e[i].len == 3 and optFieldCheck in p.options: + check = e[i][2] + genFieldObjConstr(p, ty, useTemp, isRef, e[i][0], e[i][1], check, d, r, e.info) + if useTemp: if d.k == locNone: d = tmp @@ -1602,34 +1581,36 @@ proc genObjConstr(p: BProc, e: PNode, d: var TLoc) = genAssignment(p, d, tmp, {}) proc lhsDoesAlias(a, b: PNode): bool = + result = false for y in b: if isPartOf(a, y) != arNo: return true proc genSeqConstr(p: BProc, n: PNode, d: var TLoc) = - var arr, tmp: TLoc + var arr: TLoc + var tmp: TLoc = default(TLoc) # bug #668 let doesAlias = lhsDoesAlias(d.lode, n) let dest = if doesAlias: addr(tmp) else: addr(d) if doesAlias: - getTemp(p, n.typ, tmp) + tmp = getTemp(p, n.typ) elif d.k == locNone: - getTemp(p, n.typ, d) + d = getTemp(p, n.typ) var lit = newRopeAppender() intLiteral(n.len, lit) if optSeqDestructors in p.config.globalOptions: let seqtype = n.typ linefmt(p, cpsStmts, "$1.len = $2; $1.p = ($4*) #newSeqPayload($2, sizeof($3), NIM_ALIGNOF($3));$n", - [rdLoc dest[], lit, getTypeDesc(p.module, seqtype.lastSon), + [rdLoc dest[], lit, getTypeDesc(p.module, seqtype.elementType), getSeqPayloadType(p.module, seqtype)]) else: # generate call to newSeq before adding the elements per hand: genNewSeqAux(p, dest[], lit, n.len == 0) for i in 0..<n.len: - initLoc(arr, locExpr, n[i], OnHeap) + arr = initLoc(locExpr, n[i], OnHeap) var lit = newRopeAppender() intLiteral(i, lit) - arr.r = ropecg(p.module, "$1$3[$2]", [rdLoc(dest[]), lit, dataField(p)]) + arr.snippet = ropecg(p.module, "$1$3[$2]", [rdLoc(dest[]), lit, dataField(p)]) arr.storage = OnHeap # we know that sequences are on the heap expr(p, n[i], arr) gcUsage(p.config, n) @@ -1640,71 +1621,70 @@ proc genSeqConstr(p: BProc, n: PNode, d: var TLoc) = genAssignment(p, d, tmp, {}) proc genArrToSeq(p: BProc, n: PNode, d: var TLoc) = - var elem, a, arr: TLoc + var elem, arr: TLoc if n[1].kind == nkBracket: n[1].typ = n.typ genSeqConstr(p, n[1], d) return if d.k == locNone: - getTemp(p, n.typ, d) + d = getTemp(p, n.typ) + var a = initLocExpr(p, n[1]) # generate call to newSeq before adding the elements per hand: let L = toInt(lengthOrd(p.config, n[1].typ)) if optSeqDestructors in p.config.globalOptions: let seqtype = n.typ linefmt(p, cpsStmts, "$1.len = $2; $1.p = ($4*) #newSeqPayload($2, sizeof($3), NIM_ALIGNOF($3));$n", - [rdLoc d, L, getTypeDesc(p.module, seqtype.lastSon), + [rdLoc d, L, getTypeDesc(p.module, seqtype.elementType), getSeqPayloadType(p.module, seqtype)]) else: var lit = newRopeAppender() intLiteral(L, lit) genNewSeqAux(p, d, lit, L == 0) - initLocExpr(p, n[1], a) # bug #5007; do not produce excessive C source code: if L < 10: for i in 0..<L: - initLoc(elem, locExpr, lodeTyp elemType(skipTypes(n.typ, abstractInst)), OnHeap) + elem = initLoc(locExpr, lodeTyp elemType(skipTypes(n.typ, abstractInst)), OnHeap) var lit = newRopeAppender() intLiteral(i, lit) - elem.r = ropecg(p.module, "$1$3[$2]", [rdLoc(d), lit, dataField(p)]) + elem.snippet = ropecg(p.module, "$1$3[$2]", [rdLoc(d), lit, dataField(p)]) elem.storage = OnHeap # we know that sequences are on the heap - initLoc(arr, locExpr, lodeTyp elemType(skipTypes(n[1].typ, abstractInst)), a.storage) - arr.r = ropecg(p.module, "$1[$2]", [rdLoc(a), lit]) + arr = initLoc(locExpr, lodeTyp elemType(skipTypes(n[1].typ, abstractInst)), a.storage) + arr.snippet = ropecg(p.module, "$1[$2]", [rdLoc(a), lit]) genAssignment(p, elem, arr, {needToCopy}) else: - var i: TLoc - getTemp(p, getSysType(p.module.g.graph, unknownLineInfo, tyInt), i) - linefmt(p, cpsStmts, "for ($1 = 0; $1 < $2; $1++) {$n", [i.r, L]) - initLoc(elem, locExpr, lodeTyp elemType(skipTypes(n.typ, abstractInst)), OnHeap) - elem.r = ropecg(p.module, "$1$3[$2]", [rdLoc(d), rdLoc(i), dataField(p)]) + var i: TLoc = getTemp(p, getSysType(p.module.g.graph, unknownLineInfo, tyInt)) + linefmt(p, cpsStmts, "for ($1 = 0; $1 < $2; $1++) {$n", [i.snippet, L]) + elem = initLoc(locExpr, lodeTyp elemType(skipTypes(n.typ, abstractInst)), OnHeap) + elem.snippet = ropecg(p.module, "$1$3[$2]", [rdLoc(d), rdLoc(i), dataField(p)]) elem.storage = OnHeap # we know that sequences are on the heap - initLoc(arr, locExpr, lodeTyp elemType(skipTypes(n[1].typ, abstractInst)), a.storage) - arr.r = ropecg(p.module, "$1[$2]", [rdLoc(a), rdLoc(i)]) + arr = initLoc(locExpr, lodeTyp elemType(skipTypes(n[1].typ, abstractInst)), a.storage) + arr.snippet = ropecg(p.module, "$1[$2]", [rdLoc(a), rdLoc(i)]) genAssignment(p, elem, arr, {needToCopy}) lineF(p, cpsStmts, "}$n", []) proc genNewFinalize(p: BProc, e: PNode) = var - a, b, f: TLoc + b: TLoc refType, bt: PType ti: Rope refType = skipTypes(e[1].typ, abstractVarRange) - initLocExpr(p, e[1], a) - initLocExpr(p, e[2], f) - initLoc(b, locExpr, a.lode, OnHeap) + var a = initLocExpr(p, e[1]) + var f = initLocExpr(p, e[2]) + b = initLoc(locExpr, a.lode, OnHeap) ti = genTypeInfo(p.config, p.module, refType, e.info) p.module.s[cfsTypeInit3].addf("$1->finalizer = (void*)$2;$n", [ti, rdLoc(f)]) - b.r = ropecg(p.module, "($1) #newObj($2, sizeof($3))", [ + b.snippet = ropecg(p.module, "($1) #newObj($2, sizeof($3))", [ getTypeDesc(p.module, refType), - ti, getTypeDesc(p.module, skipTypes(refType.lastSon, abstractRange))]) + ti, getTypeDesc(p.module, skipTypes(refType.elementType, abstractRange))]) genAssignment(p, a, b, {}) # set the object type: - bt = skipTypes(refType.lastSon, abstractRange) + bt = skipTypes(refType.elementType, abstractRange) genObjectInit(p, cpsStmts, bt, a, constructRefObj) gcUsage(p.config, e) proc genOfHelper(p: BProc; dest: PType; a: Rope; info: TLineInfo; result: var Rope) = if optTinyRtti in p.config.globalOptions: - let token = $genDisplayElem(MD5Digest(hashType(dest))) + let token = $genDisplayElem(MD5Digest(hashType(dest, p.config))) appcg(p.module, result, "#isObjDisplayCheck($#.m_type, $#, $#)", [a, getObjDepth(dest), token]) else: # unfortunately 'genTypeInfoV1' sets tfObjHasKids as a side effect, so we @@ -1721,8 +1701,7 @@ proc genOfHelper(p: BProc; dest: PType; a: Rope; info: TLineInfo; result: var Ro appcg(p.module, result, "#isObjWithCache($#.m_type, $#, $#)", [a, ti, cache]) proc genOf(p: BProc, x: PNode, typ: PType, d: var TLoc) = - var a: TLoc - initLocExpr(p, x, a) + var a: TLoc = initLocExpr(p, x) var dest = skipTypes(typ, typedescPtrs) var r = rdLoc(a) var nilCheck: Rope = "" @@ -1731,12 +1710,12 @@ proc genOf(p: BProc, x: PNode, typ: PType, d: var TLoc) = if t.kind notin {tyVar, tyLent}: nilCheck = r if t.kind notin {tyVar, tyLent} or not p.module.compileToCpp: r = ropecg(p.module, "(*$1)", [r]) - t = skipTypes(t.lastSon, typedescInst+{tyOwned}) + t = skipTypes(t.elementType, typedescInst+{tyOwned}) discard getTypeDesc(p.module, t) if not p.module.compileToCpp: - while t.kind == tyObject and t[0] != nil: + while t.kind == tyObject and t.baseClass != nil: r.add(".Sup") - t = skipTypes(t[0], skipPtrs) + t = skipTypes(t.baseClass, skipPtrs) if isObjLackingTypeField(t): globalError(p.config, x.info, "no 'of' operator available for pure objects") @@ -1763,8 +1742,7 @@ proc genOf(p: BProc, n: PNode, d: var TLoc) = proc genRepr(p: BProc, e: PNode, d: var TLoc) = if optTinyRtti in p.config.globalOptions: localError(p.config, e.info, "'repr' is not available for --newruntime") - var a: TLoc - initLocExpr(p, e[1], a) + var a: TLoc = initLocExpr(p, e[1]) var t = skipTypes(e[1].typ, abstractVarRange) case t.kind of tyInt..tyInt64, tyUInt..tyUInt64: @@ -1786,7 +1764,7 @@ proc genRepr(p: BProc, e: PNode, d: var TLoc) = putIntoDest(p, d, e, ropecg(p.module, "#reprSet($1, $2)", [ addrLoc(p.config, a), genTypeInfoV1(p.module, t, e.info)]), a.storage) of tyOpenArray, tyVarargs: - var b: TLoc + var b: TLoc = default(TLoc) case skipTypes(a.t, abstractVarRange).kind of tyOpenArray, tyVarargs: putIntoDest(p, b, e, "$1, $1Len_0" % [rdLoc(a)], a.storage) @@ -1821,13 +1799,13 @@ proc rdMType(p: BProc; a: TLoc; nilCheck: var Rope; result: var Rope; enforceV1 if t.kind notin {tyVar, tyLent}: nilCheck = derefs if t.kind notin {tyVar, tyLent} or not p.module.compileToCpp: derefs = "(*$1)" % [derefs] - t = skipTypes(t.lastSon, abstractInst) + t = skipTypes(t.elementType, abstractInst) result.add derefs discard getTypeDesc(p.module, t) if not p.module.compileToCpp: - while t.kind == tyObject and t[0] != nil: + while t.kind == tyObject and t.baseClass != nil: result.add(".Sup") - t = skipTypes(t[0], skipPtrs) + t = skipTypes(t.baseClass, skipPtrs) result.add ".m_type" if optTinyRtti in p.config.globalOptions and enforceV1: result.add "->typeInfoV1" @@ -1844,8 +1822,7 @@ proc genGetTypeInfoV2(p: BProc, e: PNode, d: var TLoc) = # ordinary static type information putIntoDest(p, d, e, genTypeInfoV2(p.module, t, e.info)) else: - var a: TLoc - initLocExpr(p, e[1], a) + var a: TLoc = initLocExpr(p, e[1]) var nilCheck = "" # use the dynamic type stored at offset 0: var rt = newRopeAppender() @@ -1853,8 +1830,7 @@ proc genGetTypeInfoV2(p: BProc, e: PNode, d: var TLoc) = putIntoDest(p, d, e, rt) proc genAccessTypeField(p: BProc; e: PNode; d: var TLoc) = - var a: TLoc - initLocExpr(p, e[1], a) + var a: TLoc = initLocExpr(p, e[1]) var nilCheck = "" # use the dynamic type stored at offset 0: var rt = newRopeAppender() @@ -1862,11 +1838,10 @@ proc genAccessTypeField(p: BProc; e: PNode; d: var TLoc) = putIntoDest(p, d, e, rt) template genDollar(p: BProc, n: PNode, d: var TLoc, frmt: string) = - var a: TLoc - initLocExpr(p, n[1], a) - a.r = ropecg(p.module, frmt, [rdLoc(a)]) + var a: TLoc = initLocExpr(p, n[1]) + a.snippet = ropecg(p.module, frmt, [rdLoc(a)]) a.flags.excl lfIndirect # this flag should not be propagated here (not just for HCR) - if d.k == locNone: getTemp(p, n.typ, d) + if d.k == locNone: d = getTemp(p, n.typ) genAssignment(p, d, a, {}) gcUsage(p.config, n) @@ -1879,82 +1854,75 @@ proc genArrayLen(p: BProc, e: PNode, d: var TLoc, op: TMagic) = # Bug #9279, len(toOpenArray()) has to work: if a.kind in nkCallKinds and a[0].kind == nkSym and a[0].sym.magic == mSlice: # magic: pass slice to openArray: - var m: TLoc - var b, c: TLoc - initLocExpr(p, a[1], m) - initLocExpr(p, a[2], b) - initLocExpr(p, a[3], c) + var m = initLocExpr(p, a[1]) + var b = initLocExpr(p, a[2]) + var c = initLocExpr(p, a[3]) if optBoundsCheck in p.options: - genBoundsCheck(p, m, b, c) + genBoundsCheck(p, m, b, c, skipTypes(m.t, abstractVarRange)) if op == mHigh: - putIntoDest(p, d, e, ropecg(p.module, "($2)-($1)", [rdLoc(b), rdLoc(c)])) + putIntoDest(p, d, e, ropecg(p.module, "(($2)-($1))", [rdLoc(b), rdLoc(c)])) else: - putIntoDest(p, d, e, ropecg(p.module, "($2)-($1)+1", [rdLoc(b), rdLoc(c)])) + putIntoDest(p, d, e, ropecg(p.module, "(($2)-($1)+1)", [rdLoc(b), rdLoc(c)])) else: if not reifiedOpenArray(a): if op == mHigh: unaryExpr(p, e, d, "($1Len_0-1)") else: unaryExpr(p, e, d, "$1Len_0") else: - if op == mHigh: unaryExpr(p, e, d, "($1.Field1-1)") - else: unaryExpr(p, e, d, "$1.Field1") + let isDeref = a.kind in {nkHiddenDeref, nkDerefExpr} + if op == mHigh: + if isDeref: + unaryExpr(p, e, d, "($1->Field1-1)") + else: + unaryExpr(p, e, d, "($1.Field1-1)") + else: + if isDeref: + unaryExpr(p, e, d, "$1->Field1") + else: + unaryExpr(p, e, d, "$1.Field1") of tyCstring: - if op == mHigh: unaryExpr(p, e, d, "($1 ? (#nimCStrLen($1)-1) : -1)") - else: unaryExpr(p, e, d, "($1 ? #nimCStrLen($1) : 0)") + if op == mHigh: unaryExpr(p, e, d, "(#nimCStrLen($1)-1)") + else: unaryExpr(p, e, d, "#nimCStrLen($1)") of tyString: - var a: TLoc - initLocExpr(p, e[1], a) + var a: TLoc = initLocExpr(p, e[1]) var x = lenExpr(p, a) if op == mHigh: x = "($1-1)" % [x] putIntoDest(p, d, e, x) of tySequence: # we go through a temporary here because people write bullshit code. - var a, tmp: TLoc - initLocExpr(p, e[1], a) - getIntTemp(p, tmp) + var tmp: TLoc = getIntTemp(p) + var a = initLocExpr(p, e[1]) var x = lenExpr(p, a) if op == mHigh: x = "($1-1)" % [x] - lineCg(p, cpsStmts, "$1 = $2;$n", [tmp.r, x]) - putIntoDest(p, d, e, tmp.r) + lineCg(p, cpsStmts, "$1 = $2;$n", [tmp.snippet, x]) + putIntoDest(p, d, e, tmp.snippet) of tyArray: # YYY: length(sideeffect) is optimized away incorrectly? if op == mHigh: putIntoDest(p, d, e, rope(lastOrd(p.config, typ))) else: putIntoDest(p, d, e, rope(lengthOrd(p.config, typ))) else: internalError(p.config, e.info, "genArrayLen()") -proc makePtrType(baseType: PType; idgen: IdGenerator): PType = - result = newType(tyPtr, nextTypeId idgen, baseType.owner) - addSonSkipIntLit(result, baseType, idgen) - -proc makeAddr(n: PNode; idgen: IdGenerator): PNode = - if n.kind == nkHiddenAddr: - result = n - else: - result = newTree(nkHiddenAddr, n) - result.typ = makePtrType(n.typ, idgen) - proc genSetLengthSeq(p: BProc, e: PNode, d: var TLoc) = if optSeqDestructors in p.config.globalOptions: e[1] = makeAddr(e[1], p.module.idgen) genCall(p, e, d) return - var a, b, call: TLoc assert(d.k == locNone) var x = e[1] if x.kind in {nkAddr, nkHiddenAddr}: x = x[0] - initLocExpr(p, x, a) - initLocExpr(p, e[2], b) + var a = initLocExpr(p, x) + var b = initLocExpr(p, e[2]) let t = skipTypes(e[1].typ, {tyVar}) - initLoc(call, locCall, e, OnHeap) + var call = initLoc(locCall, e, OnHeap) if not p.module.compileToCpp: - const setLenPattern = "($3) #setLengthSeqV2(&($1)->Sup, $4, $2)" - call.r = ropecg(p.module, setLenPattern, [ + const setLenPattern = "($3) #setLengthSeqV2(($1)?&($1)->Sup:NIM_NIL, $4, $2)" + call.snippet = ropecg(p.module, setLenPattern, [ rdLoc(a), rdLoc(b), getTypeDesc(p.module, t), genTypeInfoV1(p.module, t.skipTypes(abstractInst), e.info)]) else: const setLenPattern = "($3) #setLengthSeqV2($1, $4, $2)" - call.r = ropecg(p.module, setLenPattern, [ + call.snippet = ropecg(p.module, setLenPattern, [ rdLoc(a), rdLoc(b), getTypeDesc(p.module, t), genTypeInfoV1(p.module, t.skipTypes(abstractInst), e.info)]) @@ -1965,13 +1933,12 @@ proc genSetLengthStr(p: BProc, e: PNode, d: var TLoc) = if optSeqDestructors in p.config.globalOptions: binaryStmtAddr(p, e, d, "setLengthStrV2") else: - var a, b, call: TLoc if d.k != locNone: internalError(p.config, e.info, "genSetLengthStr") - initLocExpr(p, e[1], a) - initLocExpr(p, e[2], b) + var a = initLocExpr(p, e[1]) + var b = initLocExpr(p, e[2]) - initLoc(call, locCall, e, OnHeap) - call.r = ropecg(p.module, "#setLengthStr($1, $2)", [ + var call = initLoc(locCall, e, OnHeap) + call.snippet = ropecg(p.module, "#setLengthStr($1, $2)", [ rdLoc(a), rdLoc(b)]) genAssignment(p, a, call, {}) gcUsage(p.config, e) @@ -1983,10 +1950,9 @@ proc genSwap(p: BProc, e: PNode, d: var TLoc) = # b = temp cowBracket(p, e[1]) cowBracket(p, e[2]) - var a, b, tmp: TLoc - getTemp(p, skipTypes(e[1].typ, abstractVar), tmp) - initLocExpr(p, e[1], a) # eval a - initLocExpr(p, e[2], b) # eval b + var tmp: TLoc = getTemp(p, skipTypes(e[1].typ, abstractVar)) + var a = initLocExpr(p, e[1]) # eval a + var b = initLocExpr(p, e[2]) # eval b genAssignment(p, tmp, a, {}) genAssignment(p, a, b, {}) genAssignment(p, b, tmp, {}) @@ -2028,10 +1994,9 @@ proc genInExprAux(p: BProc, e: PNode, a, b, d: var TLoc) = else: binaryExprIn(p, e, a, b, d, "(($1[(NU)($2)>>3] &(1U<<((NU)($2)&7U)))!=0)") template binaryStmtInExcl(p: BProc, e: PNode, d: var TLoc, frmt: string) = - var a, b: TLoc assert(d.k == locNone) - initLocExpr(p, e[1], a) - initLocExpr(p, e[2], b) + var a = initLocExpr(p, e[1]) + var b = initLocExpr(p, e[2]) var elem = newRopeAppender() rdSetElemLoc(p.config, b, a.t, elem) lineF(p, cpsStmts, frmt, [rdLoc(a), elem]) @@ -2047,31 +2012,31 @@ proc genInOp(p: BProc, e: PNode, d: var TLoc) = e[2][0] else: e[2] - initLocExpr(p, ea, a) - initLoc(b, locExpr, e, OnUnknown) + a = initLocExpr(p, ea) + b = initLoc(locExpr, e, OnUnknown) if e[1].len > 0: - b.r = rope("(") + b.snippet = rope("(") for i in 0..<e[1].len: let it = e[1][i] if it.kind == nkRange: - initLocExpr(p, it[0], x) - initLocExpr(p, it[1], y) - b.r.addf("$1 >= $2 && $1 <= $3", + x = initLocExpr(p, it[0]) + y = initLocExpr(p, it[1]) + b.snippet.addf("$1 >= $2 && $1 <= $3", [rdCharLoc(a), rdCharLoc(x), rdCharLoc(y)]) else: - initLocExpr(p, it, x) - b.r.addf("$1 == $2", [rdCharLoc(a), rdCharLoc(x)]) - if i < e[1].len - 1: b.r.add(" || ") - b.r.add(")") + x = initLocExpr(p, it) + b.snippet.addf("$1 == $2", [rdCharLoc(a), rdCharLoc(x)]) + if i < e[1].len - 1: b.snippet.add(" || ") + b.snippet.add(")") else: # handle the case of an empty set - b.r = rope("0") - putIntoDest(p, d, e, b.r) + b.snippet = rope("0") + putIntoDest(p, d, e, b.snippet) else: assert(e[1].typ != nil) assert(e[2].typ != nil) - initLocExpr(p, e[1], a) - initLocExpr(p, e[2], b) + a = initLocExpr(p, e[1]) + b = initLocExpr(p, e[2]) genInExprAux(p, e, a, b, d) proc genSetOp(p: BProc, e: PNode, d: var TLoc, op: TMagic) = @@ -2087,7 +2052,8 @@ proc genSetOp(p: BProc, e: PNode, d: var TLoc, op: TMagic) = "&", "|", "& ~"] - var a, b, i: TLoc + var a, b: TLoc + var i: TLoc var setType = skipTypes(e[1].typ, abstractVar) var size = int(getSize(p.config, setType)) case size @@ -2124,14 +2090,13 @@ proc genSetOp(p: BProc, e: PNode, d: var TLoc, op: TMagic) = of mIncl: binaryStmtInExcl(p, e, d, "$1[(NU)($2)>>3] |=(1U<<($2&7U));$n") of mExcl: binaryStmtInExcl(p, e, d, "$1[(NU)($2)>>3] &= ~(1U<<($2&7U));$n") of mCard: - var a: TLoc - initLocExpr(p, e[1], a) + var a: TLoc = initLocExpr(p, e[1]) putIntoDest(p, d, e, ropecg(p.module, "#cardSet($1, $2)", [rdCharLoc(a), size])) of mLtSet, mLeSet: - getTemp(p, getSysType(p.module.g.graph, unknownLineInfo, tyInt), i) # our counter - initLocExpr(p, e[1], a) - initLocExpr(p, e[2], b) - if d.k == locNone: getTemp(p, getSysType(p.module.g.graph, unknownLineInfo, tyBool), d) + i = getTemp(p, getSysType(p.module.g.graph, unknownLineInfo, tyInt)) # our counter + a = initLocExpr(p, e[1]) + b = initLocExpr(p, e[2]) + if d.k == locNone: d = getTemp(p, getSysType(p.module.g.graph, unknownLineInfo, tyBool)) if op == mLtSet: linefmt(p, cpsStmts, lookupOpr[mLtSet], [rdLoc(i), size, rdLoc(d), rdLoc(a), rdLoc(b)]) @@ -2139,18 +2104,17 @@ proc genSetOp(p: BProc, e: PNode, d: var TLoc, op: TMagic) = linefmt(p, cpsStmts, lookupOpr[mLeSet], [rdLoc(i), size, rdLoc(d), rdLoc(a), rdLoc(b)]) of mEqSet: - var a, b: TLoc assert(e[1].typ != nil) assert(e[2].typ != nil) - initLocExpr(p, e[1], a) - initLocExpr(p, e[2], b) + var a = initLocExpr(p, e[1]) + var b = initLocExpr(p, e[2]) putIntoDest(p, d, e, ropecg(p.module, "(#nimCmpMem($1, $2, $3)==0)", [a.rdCharLoc, b.rdCharLoc, size])) of mMulSet, mPlusSet, mMinusSet: # we inline the simple for loop for better code generation: - getTemp(p, getSysType(p.module.g.graph, unknownLineInfo, tyInt), i) # our counter - initLocExpr(p, e[1], a) - initLocExpr(p, e[2], b) - if d.k == locNone: getTemp(p, setType, d) + i = getTemp(p, getSysType(p.module.g.graph, unknownLineInfo, tyInt)) # our counter + a = initLocExpr(p, e[1]) + b = initLocExpr(p, e[2]) + if d.k == locNone: d = getTemp(p, setType) lineF(p, cpsStmts, "for ($1 = 0; $1 < $2; $1++) $n" & " $3[$1] = $4[$1] $6 $5[$1];$n", [ @@ -2167,8 +2131,7 @@ proc genSomeCast(p: BProc, e: PNode, d: var TLoc) = ValueTypes = {tyTuple, tyObject, tyArray, tyOpenArray, tyVarargs, tyUncheckedArray} # we use whatever C gives us. Except if we have a value-type, we need to go # through its address: - var a: TLoc - initLocExpr(p, e[1], a) + var a: TLoc = initLocExpr(p, e[1]) let etyp = skipTypes(e.typ, abstractRange+{tyOwned}) let srcTyp = skipTypes(e[1].typ, abstractRange) if etyp.kind in ValueTypes and lfIndirect notin a.flags: @@ -2205,10 +2168,17 @@ proc genCast(p: BProc, e: PNode, d: var TLoc) = # 'cast' and some float type involved? --> use a union. inc(p.labels) var lbl = p.labels.rope - var tmp: TLoc - tmp.r = "LOC$1.source" % [lbl] - linefmt(p, cpsLocals, "union { $1 source; $2 dest; } LOC$3;$n", - [getTypeDesc(p.module, e[1].typ), getTypeDesc(p.module, e.typ), lbl]) + var tmp: TLoc = default(TLoc) + tmp.snippet = "LOC$1.source" % [lbl] + let destsize = getSize(p.config, destt) + let srcsize = getSize(p.config, srct) + + if destsize > srcsize: + linefmt(p, cpsLocals, "union { $1 dest; $2 source; } LOC$3;$n #nimZeroMem(&LOC$3, sizeof(LOC$3));$n", + [getTypeDesc(p.module, e.typ), getTypeDesc(p.module, e[1].typ), lbl]) + else: + linefmt(p, cpsLocals, "union { $1 source; $2 dest; } LOC$3;$n", + [getTypeDesc(p.module, e[1].typ), getTypeDesc(p.module, e.typ), lbl]) tmp.k = locExpr tmp.lode = lodeTyp srct tmp.storage = OnStack @@ -2221,9 +2191,8 @@ proc genCast(p: BProc, e: PNode, d: var TLoc) = genSomeCast(p, e, d) proc genRangeChck(p: BProc, n: PNode, d: var TLoc) = - var a: TLoc + var a: TLoc = initLocExpr(p, n[0]) var dest = skipTypes(n.typ, abstractVar) - initLocExpr(p, n[0], a) if optRangeCheck notin p.options or (dest.kind in {tyUInt..tyUInt64} and checkUnsignedConversions notin p.config.legacyFeatures): discard "no need to generate a check because it was disabled" @@ -2265,30 +2234,38 @@ proc genRangeChck(p: BProc, n: PNode, d: var TLoc) = raiseInstr(p, p.s(cpsStmts)) linefmt p, cpsStmts, "}$n", [] - putIntoDest(p, d, n, "(($1) ($2))" % + if sameBackendTypeIgnoreRange(dest, n[0].typ): + # don't cast so an address can be taken for `var` conversions + putIntoDest(p, d, n, "($1)" % [rdCharLoc(a)], a.storage) + else: + putIntoDest(p, d, n, "(($1) ($2))" % [getTypeDesc(p.module, dest), rdCharLoc(a)], a.storage) proc genConv(p: BProc, e: PNode, d: var TLoc) = let destType = e.typ.skipTypes({tyVar, tyLent, tyGenericInst, tyAlias, tySink}) - if sameBackendType(destType, e[1].typ): + if sameBackendTypeIgnoreRange(destType, e[1].typ): expr(p, e[1], d) else: genSomeCast(p, e, d) proc convStrToCStr(p: BProc, n: PNode, d: var TLoc) = - var a: TLoc - initLocExpr(p, n[0], a) + var a: TLoc = initLocExpr(p, n[0]) putIntoDest(p, d, n, ropecg(p.module, "#nimToCStringConv($1)", [rdLoc(a)]), # "($1 ? $1->data : (NCSTRING)\"\")" % [a.rdLoc], a.storage) proc convCStrToStr(p: BProc, n: PNode, d: var TLoc) = - var a: TLoc - initLocExpr(p, n[0], a) - putIntoDest(p, d, n, - ropecg(p.module, "#cstrToNimstr($1)", [rdLoc(a)]), - a.storage) + var a: TLoc = initLocExpr(p, n[0]) + if p.module.compileToCpp: + # fixes for const qualifier; bug #12703; bug #19588 + putIntoDest(p, d, n, + ropecg(p.module, "#cstrToNimstr((NCSTRING) $1)", [rdLoc(a)]), + a.storage) + else: + putIntoDest(p, d, n, + ropecg(p.module, "#cstrToNimstr($1)", [rdLoc(a)]), + a.storage) gcUsage(p.config, n) proc genStrEquals(p: BProc, e: PNode, d: var TLoc) = @@ -2296,11 +2273,11 @@ proc genStrEquals(p: BProc, e: PNode, d: var TLoc) = var a = e[1] var b = e[2] if a.kind in {nkStrLit..nkTripleStrLit} and a.strVal == "": - initLocExpr(p, e[2], x) + x = initLocExpr(p, e[2]) putIntoDest(p, d, e, ropecg(p.module, "($1 == 0)", [lenExpr(p, x)])) elif b.kind in {nkStrLit..nkTripleStrLit} and b.strVal == "": - initLocExpr(p, e[1], x) + x = initLocExpr(p, e[1]) putIntoDest(p, d, e, ropecg(p.module, "($1 == 0)", [lenExpr(p, x)])) else: @@ -2309,11 +2286,10 @@ proc genStrEquals(p: BProc, e: PNode, d: var TLoc) = proc binaryFloatArith(p: BProc, e: PNode, d: var TLoc, m: TMagic) = if {optNaNCheck, optInfCheck} * p.options != {}: const opr: array[mAddF64..mDivF64, string] = ["+", "-", "*", "/"] - var a, b: TLoc assert(e[1].typ != nil) assert(e[2].typ != nil) - initLocExpr(p, e[1], a) - initLocExpr(p, e[2], b) + var a = initLocExpr(p, e[1]) + var b = initLocExpr(p, e[2]) putIntoDest(p, d, e, ropecg(p.module, "(($4)($2) $1 ($4)($3))", [opr[m], rdLoc(a), rdLoc(b), getSimpleTypeDesc(p.module, e[1].typ)])) @@ -2330,34 +2306,60 @@ proc binaryFloatArith(p: BProc, e: PNode, d: var TLoc, m: TMagic) = else: binaryArith(p, e, d, m) -proc skipAddr(n: PNode): PNode = - result = if n.kind in {nkAddr, nkHiddenAddr}: n[0] else: n - proc genWasMoved(p: BProc; n: PNode) = var a: TLoc let n1 = n[1].skipAddr if p.withinBlockLeaveActions > 0 and notYetAlive(n1): discard else: - initLocExpr(p, n1, a) + a = initLocExpr(p, n1, {lfEnforceDeref}) resetLoc(p, a) #linefmt(p, cpsStmts, "#nimZeroMem((void*)$1, sizeof($2));$n", # [addrLoc(p.config, a), getTypeDesc(p.module, a.t)]) proc genMove(p: BProc; n: PNode; d: var TLoc) = - var a: TLoc - initLocExpr(p, n[1].skipAddr, a) + var a: TLoc = initLocExpr(p, n[1].skipAddr) if n.len == 4: # generated by liftdestructors: - var src: TLoc - initLocExpr(p, n[2], src) + var src: TLoc = initLocExpr(p, n[2]) linefmt(p, cpsStmts, "if ($1.p != $2.p) {", [rdLoc(a), rdLoc(src)]) genStmts(p, n[3]) linefmt(p, cpsStmts, "}$n$1.len = $2.len; $1.p = $2.p;$n", [rdLoc(a), rdLoc(src)]) else: - if d.k == locNone: getTemp(p, n.typ, d) - genAssignment(p, d, a, {}) - resetLoc(p, a) + if d.k == locNone: d = getTemp(p, n.typ) + if p.config.selectedGC in {gcArc, gcAtomicArc, gcOrc}: + genAssignment(p, d, a, {}) + var op = getAttachedOp(p.module.g.graph, n.typ, attachedWasMoved) + if op == nil: + resetLoc(p, a) + else: + var b = initLocExpr(p, newSymNode(op)) + case skipTypes(a.t, abstractVar+{tyStatic}).kind + of tyOpenArray, tyVarargs: # todo fixme generated `wasMoved` hooks for + # openarrays, but it probably shouldn't? + var s: string + if reifiedOpenArray(a.lode): + if a.t.kind in {tyVar, tyLent}: + s = "$1->Field0, $1->Field1" % [rdLoc(a)] + else: + s = "$1.Field0, $1.Field1" % [rdLoc(a)] + else: + s = "$1, $1Len_0" % [rdLoc(a)] + linefmt(p, cpsStmts, "$1($2);$n", [rdLoc(b), s]) + else: + if p.module.compileToCpp: + linefmt(p, cpsStmts, "$1($2);$n", [rdLoc(b), rdLoc(a)]) + else: + linefmt(p, cpsStmts, "$1($2);$n", [rdLoc(b), byRefLoc(p, a)]) + else: + if n[1].kind == nkSym and isSinkParam(n[1].sym): + var tmp = getTemp(p, n[1].typ.skipTypes({tySink})) + genAssignment(p, tmp, a, {needToCopySinkParam}) + genAssignment(p, d, tmp, {}) + resetLoc(p, tmp) + else: + genAssignment(p, d, a, {}) + resetLoc(p, a) proc genDestroy(p: BProc; n: PNode) = if optSeqDestructors in p.config.globalOptions: @@ -2365,8 +2367,7 @@ proc genDestroy(p: BProc; n: PNode) = let t = arg.typ.skipTypes(abstractInst) case t.kind of tyString: - var a: TLoc - initLocExpr(p, arg, a) + var a: TLoc = initLocExpr(p, arg) if optThreads in p.config.globalOptions: linefmt(p, cpsStmts, "if ($1.p && !($1.p->cap & NIM_STRLIT_FLAG)) {$n" & " #deallocShared($1.p);$n" & @@ -2376,12 +2377,11 @@ proc genDestroy(p: BProc; n: PNode) = " #dealloc($1.p);$n" & "}$n", [rdLoc(a)]) of tySequence: - var a: TLoc - initLocExpr(p, arg, a) + var a: TLoc = initLocExpr(p, arg) linefmt(p, cpsStmts, "if ($1.p && !($1.p->cap & NIM_STRLIT_FLAG)) {$n" & " #alignedDealloc($1.p, NIM_ALIGNOF($2));$n" & "}$n", - [rdLoc(a), getTypeDesc(p.module, t.lastSon)]) + [rdLoc(a), getTypeDesc(p.module, t.elementType)]) else: discard "nothing to do" else: let t = n[1].typ.skipTypes(abstractVar) @@ -2392,10 +2392,9 @@ proc genDestroy(p: BProc; n: PNode) = proc genDispose(p: BProc; n: PNode) = when false: - let elemType = n[1].typ.skipTypes(abstractVar).lastSon + let elemType = n[1].typ.skipTypes(abstractVar).elementType - var a: TLoc - initLocExpr(p, n[1].skipAddr, a) + var a: TLoc = initLocExpr(p, n[1].skipAddr) if isFinal(elemType): if elemType.destructor != nil: @@ -2408,8 +2407,11 @@ proc genDispose(p: BProc; n: PNode) = lineCg(p, cpsStmts, ["#nimDestroyAndDispose($#)", rdLoc(a)]) proc genSlice(p: BProc; e: PNode; d: var TLoc) = - let (x, y) = genOpenArraySlice(p, e, e.typ, e.typ.lastSon) - if d.k == locNone: getTemp(p, e.typ, d) + let (x, y) = genOpenArraySlice(p, e, e.typ, e.typ.elementType, + prepareForMutation = e[1].kind == nkHiddenDeref and + e[1].typ.skipTypes(abstractInst).kind == tyString and + p.config.selectedGC in {gcArc, gcAtomicArc, gcOrc}) + if d.k == locNone: d = getTemp(p, e.typ) linefmt(p, cpsStmts, "$1.Field0 = $2; $1.Field1 = $3;$n", [rdLoc(d), x, y]) when false: localError(p.config, e.info, "invalid context for 'toOpenArray'; " & @@ -2444,11 +2446,10 @@ proc genMagicExpr(p: BProc, e: PNode, d: var TLoc, op: TMagic) = if optOverflowCheck notin p.options or underlying.kind in {tyUInt..tyUInt64}: binaryStmt(p, e, d, opr[op]) else: - var a, b: TLoc assert(e[1].typ != nil) assert(e[2].typ != nil) - initLocExpr(p, e[1], a) - initLocExpr(p, e[2], b) + var a = initLocExpr(p, e[1]) + var b = initLocExpr(p, e[2]) let ranged = skipTypes(e[1].typ, {tyGenericInst, tyAlias, tySink, tyVar, tyLent, tyDistinct}) let res = binaryArithOverflowRaw(p, ranged, a, b, @@ -2462,11 +2463,10 @@ proc genMagicExpr(p: BProc, e: PNode, d: var TLoc, op: TMagic) = if optSeqDestructors in p.config.globalOptions: binaryStmtAddr(p, e, d, "nimAddCharV1") else: - var dest, b, call: TLoc - initLoc(call, locCall, e, OnHeap) - initLocExpr(p, e[1], dest) - initLocExpr(p, e[2], b) - call.r = ropecg(p.module, "#addChar($1, $2)", [rdLoc(dest), rdLoc(b)]) + var call = initLoc(locCall, e, OnHeap) + var dest = initLocExpr(p, e[1]) + var b = initLocExpr(p, e[2]) + call.snippet = ropecg(p.module, "#addChar($1, $2)", [rdLoc(dest), rdLoc(b)]) genAssignment(p, dest, call, {}) of mAppendStrStr: genStrAppend(p, e, d) of mAppendSeqElem: @@ -2479,16 +2479,14 @@ proc genMagicExpr(p: BProc, e: PNode, d: var TLoc, op: TMagic) = of mLeStr: binaryExpr(p, e, d, "(#cmpStrings($1, $2) <= 0)") of mLtStr: binaryExpr(p, e, d, "(#cmpStrings($1, $2) < 0)") of mIsNil: genIsNil(p, e, d) - of mIntToStr: genDollar(p, e, d, "#nimIntToStr($1)") - of mInt64ToStr: genDollar(p, e, d, "#nimInt64ToStr($1)") of mBoolToStr: genDollar(p, e, d, "#nimBoolToStr($1)") of mCharToStr: genDollar(p, e, d, "#nimCharToStr($1)") - of mFloatToStr: - if e[1].typ.skipTypes(abstractInst).kind == tyFloat32: - genDollar(p, e, d, "#nimFloat32ToStr($1)") + of mCStrToStr: + if p.module.compileToCpp: + # fixes for const qualifier; bug #12703; bug #19588 + genDollar(p, e, d, "#cstrToNimstr((NCSTRING) $1)") else: - genDollar(p, e, d, "#nimFloatToStr($1)") - of mCStrToStr: genDollar(p, e, d, "#cstrToNimstr($1)") + genDollar(p, e, d, "#cstrToNimstr($1)") of mStrToStr, mUnown: expr(p, e[1], d) of generatedMagics: genCall(p, e, d) of mEnumToStr: @@ -2500,8 +2498,7 @@ proc genMagicExpr(p: BProc, e: PNode, d: var TLoc, op: TMagic) = of mNew: genNew(p, e) of mNewFinalize: if optTinyRtti in p.config.globalOptions: - var a: TLoc - initLocExpr(p, e[1], a) + var a: TLoc = initLocExpr(p, e[1]) rawGenNew(p, a, "", needsInit = true) gcUsage(p.config, e) else: @@ -2515,10 +2512,10 @@ proc genMagicExpr(p: BProc, e: PNode, d: var TLoc, op: TMagic) = of mNewSeqOfCap: genNewSeqOfCap(p, e, d) of mSizeOf: let t = e[1].typ.skipTypes({tyTypeDesc}) - putIntoDest(p, d, e, "((NI)sizeof($1))" % [getTypeDesc(p.module, t, skVar)]) + putIntoDest(p, d, e, "((NI)sizeof($1))" % [getTypeDesc(p.module, t, dkVar)]) of mAlignOf: let t = e[1].typ.skipTypes({tyTypeDesc}) - putIntoDest(p, d, e, "((NI)NIM_ALIGNOF($1))" % [getTypeDesc(p.module, t, skVar)]) + putIntoDest(p, d, e, "((NI)NIM_ALIGNOF($1))" % [getTypeDesc(p.module, t, dkVar)]) of mOffsetOf: var dotExpr: PNode if e[1].kind == nkDotExpr: @@ -2526,20 +2523,25 @@ proc genMagicExpr(p: BProc, e: PNode, d: var TLoc, op: TMagic) = elif e[1].kind == nkCheckedFieldExpr: dotExpr = e[1][0] else: + dotExpr = nil internalError(p.config, e.info, "unknown ast") let t = dotExpr[0].typ.skipTypes({tyTypeDesc}) - let tname = getTypeDesc(p.module, t, skVar) + let tname = getTypeDesc(p.module, t, dkVar) let member = if t.kind == tyTuple: "Field" & rope(dotExpr[1].sym.position) - else: dotExpr[1].sym.loc.r + else: dotExpr[1].sym.loc.snippet putIntoDest(p,d,e, "((NI)offsetof($1, $2))" % [tname, member]) of mChr: genSomeCast(p, e, d) of mOrd: genOrd(p, e, d) of mLengthArray, mHigh, mLengthStr, mLengthSeq, mLengthOpenArray: genArrayLen(p, e, d, op) - of mGCref: unaryStmt(p, e, d, "if ($1) { #nimGCref($1); }$n") - of mGCunref: unaryStmt(p, e, d, "if ($1) { #nimGCunref($1); }$n") + of mGCref: + # only a magic for the old GCs + unaryStmt(p, e, d, "if ($1) { #nimGCref($1); }$n") + of mGCunref: + # only a magic for the old GCs + unaryStmt(p, e, d, "if ($1) { #nimGCunref($1); }$n") of mSetLengthStr: genSetLengthStr(p, e, d) of mSetLengthSeq: genSetLengthSeq(p, e, d) of mIncl, mExcl, mCard, mLtSet, mLeSet, mEqSet, mMulSet, mPlusSet, mMinusSet, @@ -2551,8 +2553,8 @@ proc genMagicExpr(p: BProc, e: PNode, d: var TLoc, op: TMagic) = # - not sure, and it wouldn't work if the symbol behind the magic isn't # somehow forward-declared from some other usage, but it is *possible* if lfNoDecl notin opr.loc.flags: - let prc = magicsys.getCompilerProc(p.module.g.graph, $opr.loc.r) - assert prc != nil, $opr.loc.r + let prc = magicsys.getCompilerProc(p.module.g.graph, $opr.loc.snippet) + assert prc != nil, $opr.loc.snippet # HACK: # Explicitly add this proc as declared here so the cgsym call doesn't # add a forward declaration - without this we could end up with the same @@ -2565,14 +2567,13 @@ proc genMagicExpr(p: BProc, e: PNode, d: var TLoc, op: TMagic) = let wasDeclared = containsOrIncl(p.module.declaredProtos, prc.id) # Make the function behind the magic get actually generated - this will # not lead to a forward declaration! The genCall will lead to one. - cgsym(p.module, $opr.loc.r) + cgsym(p.module, $opr.loc.snippet) # make sure we have pointer-initialising code for hot code reloading if not wasDeclared and p.hcrOn: p.module.s[cfsDynLibInit].addf("\t$1 = ($2) hcrGetProc($3, \"$1\");$n", [mangleDynLibProc(prc), getTypeDesc(p.module, prc.loc.t), getModuleDllPath(p.module, prc)]) genCall(p, e, d) of mDefault, mZeroDefault: genDefault(p, e, d) - of mReset: genReset(p, e) of mEcho: genEcho(p, e[1].skipConv) of mArrToSeq: genArrToSeq(p, e, d) of mNLen..mNError, mSlurp..mQuoteAst: @@ -2590,14 +2591,13 @@ proc genMagicExpr(p: BProc, e: PNode, d: var TLoc, op: TMagic) = let n = semparallel.liftParallel(p.module.g.graph, p.module.idgen, p.module.module, e) expr(p, n, d) of mDeepCopy: - if p.config.selectedGC in {gcArc, gcOrc} and optEnableDeepCopy notin p.config.globalOptions: + if p.config.selectedGC in {gcArc, gcAtomicArc, gcOrc} and optEnableDeepCopy notin p.config.globalOptions: localError(p.config, e.info, - "for --gc:arc|orc 'deepcopy' support has to be enabled with --deepcopy:on") + "for --mm:arc|atomicArc|orc 'deepcopy' support has to be enabled with --deepcopy:on") - var a, b: TLoc let x = if e[1].kind in {nkAddr, nkHiddenAddr}: e[1][0] else: e[1] - initLocExpr(p, x, a) - initLocExpr(p, e[2], b) + var a = initLocExpr(p, x) + var b = initLocExpr(p, e[2]) genDeepCopy(p, a, b) of mDotDot, mEqCString: genCall(p, e, d) of mWasMoved: genWasMoved(p, e) @@ -2607,6 +2607,10 @@ proc genMagicExpr(p: BProc, e: PNode, d: var TLoc, op: TMagic) = of mAccessTypeField: genAccessTypeField(p, e, d) of mSlice: genSlice(p, e, d) of mTrace: discard "no code to generate" + of mEnsureMove: + expr(p, e[1], d) + of mDup: + expr(p, e[1], d) else: when defined(debugMagics): echo p.prc.name.s, " ", p.prc.id, " ", p.prc.flags, " ", p.prc.ast[genericParamsPos].kind @@ -2618,22 +2622,23 @@ proc genSetConstr(p: BProc, e: PNode, d: var TLoc) = # nimZeroMem(tmp, sizeof(tmp)); inclRange(tmp, a, b); incl(tmp, c); # incl(tmp, d); incl(tmp, e); inclRange(tmp, f, g); var - a, b, idx: TLoc + a, b: TLoc + var idx: TLoc if nfAllConst in e.flags: var elem = newRopeAppender() genSetNode(p, e, elem) putIntoDest(p, d, e, elem) else: - if d.k == locNone: getTemp(p, e.typ, d) + if d.k == locNone: d = getTemp(p, e.typ) if getSize(p.config, e.typ) > 8: # big set: linefmt(p, cpsStmts, "#nimZeroMem($1, sizeof($2));$n", [rdLoc(d), getTypeDesc(p.module, e.typ)]) for it in e.sons: if it.kind == nkRange: - getTemp(p, getSysType(p.module.g.graph, unknownLineInfo, tyInt), idx) # our counter - initLocExpr(p, it[0], a) - initLocExpr(p, it[1], b) + idx = getTemp(p, getSysType(p.module.g.graph, unknownLineInfo, tyInt)) # our counter + a = initLocExpr(p, it[0]) + b = initLocExpr(p, it[1]) var aa = newRopeAppender() rdSetElemLoc(p.config, a, e.typ, aa) var bb = newRopeAppender() @@ -2642,7 +2647,7 @@ proc genSetConstr(p: BProc, e: PNode, d: var TLoc) = "$2[(NU)($1)>>3] |=(1U<<((NU)($1)&7U));$n", [rdLoc(idx), rdLoc(d), aa, bb]) else: - initLocExpr(p, it, a) + a = initLocExpr(p, it) var aa = newRopeAppender() rdSetElemLoc(p.config, a, e.typ, aa) lineF(p, cpsStmts, "$1[(NU)($2)>>3] |=(1U<<((NU)($2)&7U));$n", @@ -2653,9 +2658,9 @@ proc genSetConstr(p: BProc, e: PNode, d: var TLoc) = lineF(p, cpsStmts, "$1 = 0;$n", [rdLoc(d)]) for it in e.sons: if it.kind == nkRange: - getTemp(p, getSysType(p.module.g.graph, unknownLineInfo, tyInt), idx) # our counter - initLocExpr(p, it[0], a) - initLocExpr(p, it[1], b) + idx = getTemp(p, getSysType(p.module.g.graph, unknownLineInfo, tyInt)) # our counter + a = initLocExpr(p, it[0]) + b = initLocExpr(p, it[1]) var aa = newRopeAppender() rdSetElemLoc(p.config, a, e.typ, aa) var bb = newRopeAppender() @@ -2665,7 +2670,7 @@ proc genSetConstr(p: BProc, e: PNode, d: var TLoc) = "$2 |=(($5)(1)<<(($1)%(sizeof($5)*8)));$n", [ rdLoc(idx), rdLoc(d), aa, bb, rope(ts)]) else: - initLocExpr(p, it, a) + a = initLocExpr(p, it) var aa = newRopeAppender() rdSetElemLoc(p.config, a, e.typ, aa) lineF(p, cpsStmts, @@ -2677,15 +2682,30 @@ proc genTupleConstr(p: BProc, n: PNode, d: var TLoc) = if not handleConstExpr(p, n, d): let t = n.typ discard getTypeDesc(p.module, t) # so that any fields are initialized - if d.k == locNone: getTemp(p, t, d) + + var tmp: TLoc = default(TLoc) + # bug #16331 + let doesAlias = lhsDoesAlias(d.lode, n) + let dest = if doesAlias: addr(tmp) else: addr(d) + if doesAlias: + tmp = getTemp(p, n.typ) + elif d.k == locNone: + d = getTemp(p, n.typ) + for i in 0..<n.len: var it = n[i] if it.kind == nkExprColonExpr: it = it[1] - initLoc(rec, locExpr, it, d.storage) - rec.r = "$1.Field$2" % [rdLoc(d), rope(i)] + rec = initLoc(locExpr, it, dest[].storage) + rec.snippet = "$1.Field$2" % [rdLoc(dest[]), rope(i)] rec.flags.incl(lfEnforceDeref) expr(p, it, rec) + if doesAlias: + if d.k == locNone: + d = tmp + else: + genAssignment(p, d, tmp, {}) + proc isConstClosure(n: PNode): bool {.inline.} = result = n[0].kind == nkSym and isRoutine(n[0].sym) and n[1].kind == nkNilLit @@ -2702,9 +2722,9 @@ proc genClosure(p: BProc, n: PNode, d: var TLoc) = p.module.s[cfsData].add data putIntoDest(p, d, n, tmp, OnStatic) else: - var tmp, a, b: TLoc - initLocExpr(p, n[0], a) - initLocExpr(p, n[1], b) + var tmp: TLoc + var a = initLocExpr(p, n[0]) + var b = initLocExpr(p, n[1]) if n[0].skipConv.kind == nkClosure: internalError(p.config, n.info, "closure to closure created") # tasyncawait.nim breaks with this optimization: @@ -2713,7 +2733,7 @@ proc genClosure(p: BProc, n: PNode, d: var TLoc) = linefmt(p, cpsStmts, "$1.ClP_0 = $2; $1.ClE_0 = $3;$n", [d.rdLoc, a.rdLoc, b.rdLoc]) else: - getTemp(p, n.typ, tmp) + tmp = getTemp(p, n.typ) linefmt(p, cpsStmts, "$1.ClP_0 = $2; $1.ClE_0 = $3;$n", [tmp.rdLoc, a.rdLoc, b.rdLoc]) putLocIntoDest(p, d, tmp) @@ -2721,17 +2741,17 @@ proc genClosure(p: BProc, n: PNode, d: var TLoc) = proc genArrayConstr(p: BProc, n: PNode, d: var TLoc) = var arr: TLoc if not handleConstExpr(p, n, d): - if d.k == locNone: getTemp(p, n.typ, d) + if d.k == locNone: d = getTemp(p, n.typ) for i in 0..<n.len: - initLoc(arr, locExpr, lodeTyp elemType(skipTypes(n.typ, abstractInst)), d.storage) + arr = initLoc(locExpr, lodeTyp elemType(skipTypes(n.typ, abstractInst)), d.storage) var lit = newRopeAppender() intLiteral(i, lit) - arr.r = "$1[$2]" % [rdLoc(d), lit] + arr.snippet = "$1[$2]" % [rdLoc(d), lit] expr(p, n[i], arr) proc genComplexConst(p: BProc, sym: PSym, d: var TLoc) = requestConstImpl(p, sym) - assert((sym.loc.r != "") and (sym.loc.t != nil)) + assert((sym.loc.snippet != "") and (sym.loc.t != nil)) putLocIntoDest(p, d, sym.loc) template genStmtListExprImpl(exprOrStmt) {.dirty.} = @@ -2767,8 +2787,7 @@ proc genStmtList(p: BProc, n: PNode) = from parampatterns import isLValue proc upConv(p: BProc, n: PNode, d: var TLoc) = - var a: TLoc - initLocExpr(p, n[0], a) + var a: TLoc = initLocExpr(p, n[0]) let dest = skipTypes(n.typ, abstractPtrs) if optObjCheck in p.options and not isObjLackingTypeField(dest): var nilCheck = "" @@ -2776,7 +2795,7 @@ proc upConv(p: BProc, n: PNode, d: var TLoc) = rdMType(p, a, nilCheck, r) if optTinyRtti in p.config.globalOptions: let checkFor = $getObjDepth(dest) - let token = $genDisplayElem(MD5Digest(hashType(dest))) + let token = $genDisplayElem(MD5Digest(hashType(dest, p.config))) if nilCheck != "": linefmt(p, cpsStmts, "if ($1 && !#isObjDisplayCheck($2, $3, $4)){ #raiseObjectConversionError(); ", [nilCheck, r, checkFor, token]) @@ -2819,16 +2838,14 @@ proc downConv(p: BProc, n: PNode, d: var TLoc) = # (see bug #837). However sometimes using a temporary is not correct: # init(TFigure(my)) # where it is passed to a 'var TFigure'. We test # this by ensuring the destination is also a pointer: - var a: TLoc - initLocExpr(p, arg, a) + var a: TLoc = initLocExpr(p, arg) putIntoDest(p, d, n, "(*(($1*) (&($2))))" % [getTypeDesc(p.module, n.typ), rdLoc(a)], a.storage) elif p.module.compileToCpp: # C++ implicitly downcasts for us expr(p, arg, d) else: - var a: TLoc - initLocExpr(p, arg, a) + var a: TLoc = initLocExpr(p, arg) var r = rdLoc(a) & (if isRef: "->Sup" else: ".Sup") for i in 2..abs(inheritanceDiff(dest, src)): r.add(".Sup") putIntoDest(p, d, n, if isRef: "&" & r else: r, a.storage) @@ -2843,7 +2860,7 @@ proc exprComplexConst(p: BProc, n: PNode, d: var TLoc) = # expression not found in the cache: inc(p.module.labels) p.module.s[cfsData].addf("static NIM_CONST $1 $2 = ", - [getTypeDesc(p.module, t, skConst), tmp]) + [getTypeDesc(p.module, t, dkConst), tmp]) genBracedInit(p, n, isConst = true, t, p.module.s[cfsData]) p.module.s[cfsData].addf(";$n", []) @@ -2866,24 +2883,24 @@ proc genConstSetup(p: BProc; sym: PSym): bool = result = lfNoDecl notin sym.loc.flags proc genConstHeader(m, q: BModule; p: BProc, sym: PSym) = - if sym.loc.r == "": + if sym.loc.snippet == "": if not genConstSetup(p, sym): return - assert(sym.loc.r != "", $sym.name.s & $sym.itemId) + assert(sym.loc.snippet != "", $sym.name.s & $sym.itemId) if m.hcrOn: - m.s[cfsVars].addf("static $1* $2;$n", [getTypeDesc(m, sym.loc.t, skVar), sym.loc.r]); + m.s[cfsVars].addf("static $1* $2;$n", [getTypeDesc(m, sym.loc.t, dkVar), sym.loc.snippet]); m.initProc.procSec(cpsLocals).addf( - "\t$1 = ($2*)hcrGetGlobal($3, \"$1\");$n", [sym.loc.r, - getTypeDesc(m, sym.loc.t, skVar), getModuleDllPath(q, sym)]) + "\t$1 = ($2*)hcrGetGlobal($3, \"$1\");$n", [sym.loc.snippet, + getTypeDesc(m, sym.loc.t, dkVar), getModuleDllPath(q, sym)]) else: let headerDecl = "extern NIM_CONST $1 $2;$n" % - [getTypeDesc(m, sym.loc.t, skVar), sym.loc.r] + [getTypeDesc(m, sym.loc.t, dkVar), sym.loc.snippet] m.s[cfsData].add(headerDecl) if sfExportc in sym.flags and p.module.g.generatedHeader != nil: p.module.g.generatedHeader.s[cfsData].add(headerDecl) proc genConstDefinition(q: BModule; p: BProc; sym: PSym) = # add a suffix for hcr - will later init the global pointer with this data - let actualConstName = if q.hcrOn: sym.loc.r & "_const" else: sym.loc.r + let actualConstName = if q.hcrOn: sym.loc.snippet & "_const" else: sym.loc.snippet var data = newRopeAppender() data.addf("N_LIB_PRIVATE NIM_CONST $1 $2 = ", [getTypeDesc(q, sym.typ), actualConstName]) @@ -2892,16 +2909,16 @@ proc genConstDefinition(q: BModule; p: BProc; sym: PSym) = q.s[cfsData].add data if q.hcrOn: # generate the global pointer with the real name - q.s[cfsVars].addf("static $1* $2;$n", [getTypeDesc(q, sym.loc.t, skVar), sym.loc.r]) + q.s[cfsVars].addf("static $1* $2;$n", [getTypeDesc(q, sym.loc.t, dkVar), sym.loc.snippet]) # register it (but ignore the boolean result of hcrRegisterGlobal) q.initProc.procSec(cpsLocals).addf( "\thcrRegisterGlobal($1, \"$2\", sizeof($3), NULL, (void**)&$2);$n", - [getModuleDllPath(q, sym), sym.loc.r, rdLoc(sym.loc)]) + [getModuleDllPath(q, sym), sym.loc.snippet, rdLoc(sym.loc)]) # always copy over the contents of the actual constant with the _const # suffix ==> this means that the constant is reloadable & updatable! q.initProc.procSec(cpsLocals).add(ropecg(q, "\t#nimCopyMem((void*)$1, (NIM_CONST void*)&$2, sizeof($3));$n", - [sym.loc.r, actualConstName, rdLoc(sym.loc)])) + [sym.loc.snippet, actualConstName, rdLoc(sym.loc)])) proc genConstStmt(p: BProc, n: PNode) = # This code is only used in the new DCE implementation. @@ -2941,7 +2958,7 @@ proc expr(p: BProc, n: PNode, d: var TLoc) = genProcPrototype(p.module, sym) else: genProc(p.module, sym) - if sym.loc.r == "" or sym.loc.lode == nil: + if sym.loc.snippet == "" or sym.loc.lode == nil: internalError(p.config, n.info, "expr: proc not init " & sym.name.s) putLocIntoDest(p, d, sym.loc) of skConst: @@ -2951,7 +2968,7 @@ proc expr(p: BProc, n: PNode, d: var TLoc) = putIntoDest(p, d, n, lit, OnStatic) elif useAliveDataFromDce in p.module.flags: genConstHeader(p.module, p.module, p, sym) - assert((sym.loc.r != "") and (sym.loc.t != nil)) + assert((sym.loc.snippet != "") and (sym.loc.t != nil)) putLocIntoDest(p, d, sym.loc) else: genComplexConst(p, sym, d) @@ -2966,14 +2983,14 @@ proc expr(p: BProc, n: PNode, d: var TLoc) = if sfCompileTime in sym.flags: genSingleVar(p, sym, n, astdef(sym)) - if sym.loc.r == "" or sym.loc.t == nil: + if sym.loc.snippet == "" or sym.loc.t == nil: #echo "FAILED FOR PRCO ", p.prc.name.s #echo renderTree(p.prc.ast, {renderIds}) internalError p.config, n.info, "expr: var not init " & sym.name.s & "_" & $sym.id if sfThread in sym.flags: accessThreadLocalVar(p, sym) if emulatedThreadVars(p.config): - putIntoDest(p, d, sym.loc.lode, "NimTV_->" & sym.loc.r) + putIntoDest(p, d, sym.loc.lode, "NimTV_->" & sym.loc.snippet) else: putLocIntoDest(p, d, sym.loc) else: @@ -2981,17 +2998,17 @@ proc expr(p: BProc, n: PNode, d: var TLoc) = of skTemp: when false: # this is more harmful than helpful. - if sym.loc.r == "": + if sym.loc.snippet == "": # we now support undeclared 'skTemp' variables for easier # transformations in other parts of the compiler: assignLocalVar(p, n) - if sym.loc.r == "" or sym.loc.t == nil: + if sym.loc.snippet == "" or sym.loc.t == nil: #echo "FAILED FOR PRCO ", p.prc.name.s #echo renderTree(p.prc.ast, {renderIds}) internalError(p.config, n.info, "expr: temp not init " & sym.name.s & "_" & $sym.id) putLocIntoDest(p, d, sym.loc) of skParam: - if sym.loc.r == "" or sym.loc.t == nil: + if sym.loc.snippet == "" or sym.loc.t == nil: # echo "FAILED FOR PRCO ", p.prc.name.s # debug p.prc.typ.n # echo renderTree(p.prc.ast, {renderIds}) @@ -3017,7 +3034,7 @@ proc expr(p: BProc, n: PNode, d: var TLoc) = let op = n[0] if n.typ.isNil: # discard the value: - var a: TLoc + var a: TLoc = default(TLoc) if op.kind == nkSym and op.sym.magic != mNone: genMagicExpr(p, n, a, op.sym.magic) else: @@ -3081,7 +3098,7 @@ proc expr(p: BProc, n: PNode, d: var TLoc) = of nkLambdaKinds: var sym = n[namePos].sym genProc(p.module, sym) - if sym.loc.r == "" or sym.loc.lode == nil: + if sym.loc.snippet == "" or sym.loc.lode == nil: internalError(p.config, n.info, "expr: proc not init " & sym.name.s) putLocIntoDest(p, d, sym.loc) of nkClosure: genClosure(p, n, d) @@ -3111,9 +3128,8 @@ proc expr(p: BProc, n: PNode, d: var TLoc) = let ex = n[0] if ex.kind != nkEmpty: genLineDir(p, n) - var a: TLoc - initLocExprSingleUse(p, ex, a) - line(p, cpsStmts, "(void)(" & a.r & ");\L") + var a: TLoc = initLocExprSingleUse(p, ex) + line(p, cpsStmts, "(void)(" & a.snippet & ");\L") of nkAsmStmt: genAsmStmt(p, n) of nkTryStmt, nkHiddenTryStmt: case p.config.exc @@ -3200,15 +3216,17 @@ proc getDefaultValue(p: BProc; typ: PType; info: TLineInfo; result: var Rope) = result.add "}" of tyTuple: result.add "{" - for i in 0..<t.len: + if p.vccAndC and t.isEmptyTupleType: + result.add "0" + for i, a in t.ikids: if i > 0: result.add ", " - getDefaultValue(p, t[i], info, result) + getDefaultValue(p, a, info, result) result.add "}" of tyArray: result.add "{" - for i in 0..<toInt(lengthOrd(p.config, t.sons[0])): + for i in 0..<toInt(lengthOrd(p.config, t.indexType)): if i > 0: result.add ", " - getDefaultValue(p, t.sons[1], info, result) + getDefaultValue(p, t.elementType, info, result) result.add "}" #result = rope"{}" of tyOpenArray, tyVarargs: @@ -3219,21 +3237,6 @@ proc getDefaultValue(p: BProc; typ: PType; info: TLineInfo; result: var Rope) = else: globalError(p.config, info, "cannot create null element for: " & $t.kind) -proc caseObjDefaultBranch(obj: PNode; branch: Int128): int = - for i in 1 ..< obj.len: - for j in 0 .. obj[i].len - 2: - if obj[i][j].kind == nkRange: - let x = getOrdValue(obj[i][j][0]) - let y = getOrdValue(obj[i][j][1]) - if branch >= x and branch <= y: - return i - elif getOrdValue(obj[i][j]) == branch: - return i - if obj[i].len == 1: - # else branch - return i - assert(false, "unreachable") - proc isEmptyCaseObjectBranch(n: PNode): bool = for it in n: if it.kind == nkSym and not isEmptyType(it.sym.typ): return false @@ -3248,7 +3251,8 @@ proc getNullValueAux(p: BProc; t: PType; obj, constOrNil: PNode, getNullValueAux(p, t, it, constOrNil, result, count, isConst, info) of nkRecCase: getNullValueAux(p, t, obj[0], constOrNil, result, count, isConst, info) - if count > 0: result.add ", " + var res = "" + if count > 0: res.add ", " var branch = Zero if constOrNil != nil: ## find kind value, default is zero if not specified @@ -3262,18 +3266,21 @@ proc getNullValueAux(p: BProc; t: PType; obj, constOrNil: PNode, break let selectedBranch = caseObjDefaultBranch(obj, branch) - result.add "{" + res.add "{" var countB = 0 let b = lastSon(obj[selectedBranch]) # designated initilization is the only way to init non first element of unions # branches are allowed to have no members (b.len == 0), in this case they don't need initializer if b.kind == nkRecList and not isEmptyCaseObjectBranch(b): - result.add "._" & mangleRecFieldName(p.module, obj[0].sym) & "_" & $selectedBranch & " = {" - getNullValueAux(p, t, b, constOrNil, result, countB, isConst, info) - result.add "}" + res.add "._" & mangleRecFieldName(p.module, obj[0].sym) & "_" & $selectedBranch & " = {" + getNullValueAux(p, t, b, constOrNil, res, countB, isConst, info) + res.add "}" elif b.kind == nkSym: - result.add "." & mangleRecFieldName(p.module, b.sym) & " = " - getNullValueAux(p, t, b, constOrNil, result, countB, isConst, info) + res.add "." & mangleRecFieldName(p.module, b.sym) & " = " + getNullValueAux(p, t, b, constOrNil, res, countB, isConst, info) + else: + return + result.add res result.add "}" of nkSym: @@ -3283,6 +3290,7 @@ proc getNullValueAux(p: BProc; t: PType; obj, constOrNil: PNode, if constOrNil != nil: for i in 1..<constOrNil.len: if constOrNil[i].kind == nkExprColonExpr: + assert constOrNil[i][0].kind == nkSym, "illformed object constr; the field is not a sym" if constOrNil[i][0].sym.name.id == field.name.id: genBracedInit(p, constOrNil[i][1], isConst, field.typ, result) return @@ -3297,7 +3305,7 @@ proc getNullValueAux(p: BProc; t: PType; obj, constOrNil: PNode, proc getNullValueAuxT(p: BProc; orig, t: PType; obj, constOrNil: PNode, result: var Rope; count: var int; isConst: bool, info: TLineInfo) = - var base = t[0] + var base = t.baseClass let oldRes = result let oldcount = count if base != nil: @@ -3328,6 +3336,8 @@ proc genConstObjConstr(p: BProc; n: PNode; isConst: bool; result: var Rope) = proc genConstSimpleList(p: BProc, n: PNode; isConst: bool; result: var Rope) = result.add "{" + if p.vccAndC and n.len == 0 and n.typ.kind == tyArray: + getDefaultValue(p, n.typ.elementType, n.info, result) for i in 0..<n.len: let it = n[i] if i > 0: result.add ",\n" @@ -3337,6 +3347,8 @@ proc genConstSimpleList(p: BProc, n: PNode; isConst: bool; result: var Rope) = proc genConstTuple(p: BProc, n: PNode; isConst: bool; tup: PType; result: var Rope) = result.add "{" + if p.vccAndC and n.len == 0: + result.add "0" for i in 0..<n.len: let it = n[i] if i > 0: result.add ",\n" @@ -3370,18 +3382,19 @@ proc genConstSeq(p: BProc, n: PNode, t: PType; isConst: bool; result: var Rope) proc genConstSeqV2(p: BProc, n: PNode, t: PType; isConst: bool; result: var Rope) = let base = t.skipTypes(abstractInst)[0] - var data = rope"{" - for i in 0..<n.len: - if i > 0: data.addf(",$n", []) - genBracedInit(p, n[i], isConst, base, data) - data.add("}") + var data = rope"" + if n.len > 0: + data.add(", {") + for i in 0..<n.len: + if i > 0: data.addf(",$n", []) + genBracedInit(p, n[i], isConst, base, data) + data.add("}") let payload = getTempName(p.module) - appcg(p.module, cfsStrData, "static $5 struct {$n" & " NI cap; $1 data[$2];$n" & - "} $3 = {$2 | NIM_STRLIT_FLAG, $4};$n", [ + "} $3 = {$2 | NIM_STRLIT_FLAG$4};$n", [ getTypeDesc(p.module, base), n.len, payload, data, if isConst: "const" else: ""]) result.add "{$1, ($2*)&$3}" % [rope(n.len), getSeqPayloadType(p.module, t), payload] @@ -3424,12 +3437,10 @@ proc genBracedInit(p: BProc, n: PNode; isConst: bool; optionalType: PType; resul if n[0].kind == nkNilLit: result.add "{NIM_NIL,NIM_NIL}" else: - var d: TLoc - initLocExpr(p, n[0], d) + var d: TLoc = initLocExpr(p, n[0]) result.add "{(($1) $2),NIM_NIL}" % [getClosureType(p.module, typ, clHalfWithEnv), rdLoc(d)] else: - var d: TLoc - initLocExpr(p, n, d) + var d: TLoc = initLocExpr(p, n) result.add rdLoc(d) of tyArray, tyVarargs: genConstSimpleList(p, n, isConst, result) @@ -3443,7 +3454,7 @@ proc genBracedInit(p: BProc, n: PNode; isConst: bool; optionalType: PType; resul genConstSimpleList(p, n, isConst, data) let payload = getTempName(p.module) - let ctype = getTypeDesc(p.module, typ[0]) + let ctype = getTypeDesc(p.module, typ.elementType) let arrLen = n.len appcg(p.module, cfsStrData, "static $5 $1 $3[$2] = $4;$n", [ @@ -3457,10 +3468,8 @@ proc genBracedInit(p: BProc, n: PNode; isConst: bool; optionalType: PType; resul if optSeqDestructors in p.config.globalOptions and n.kind != nkNilLit and ty == tyString: genStringLiteralV2Const(p.module, n, isConst, result) else: - var d: TLoc - initLocExpr(p, n, d) + var d: TLoc = initLocExpr(p, n) result.add rdLoc(d) else: - var d: TLoc - initLocExpr(p, n, d) + var d: TLoc = initLocExpr(p, n) result.add rdLoc(d) |