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proper indentation in the generated C code

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This commit is contained in:
Zahary Karadjov
2012-06-12 03:36:43 +03:00
parent e2d38a57ec
commit df1ec09399
6 changed files with 235 additions and 212 deletions
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39
compiler/ccgcalls.nim
View File

@@ -33,16 +33,14 @@ proc fixupCall(p: BProc, le, ri: PNode, d: var TLoc, pl: PRope) =
# reset before pass as 'result' var:
resetLoc(p, d)
app(pl, addrLoc(d))
app(pl, ")")
app(p.s(cpsStmts), pl)
appf(p.s(cpsStmts), ";$n")
appf(pl, ");$n")
line(p, cpsStmts, pl)
else:
var tmp: TLoc
getTemp(p, typ.sons[0], tmp)
app(pl, addrLoc(tmp))
app(pl, ")")
app(p.s(cpsStmts), pl)
appf(p.s(cpsStmts), ";$n")
appf(pl, ");$n")
line(p, cpsStmts, pl)
genAssignment(p, d, tmp, {}) # no need for deep copying
else:
app(pl, ")")
@@ -53,9 +51,8 @@ proc fixupCall(p: BProc, le, ri: PNode, d: var TLoc, pl: PRope) =
list.r = pl
genAssignment(p, d, list, {}) # no need for deep copying
else:
app(pl, ")")
app(p.s(cpsStmts), pl)
appf(p.s(cpsStmts), ";$n")
appf(pl, ");$n")
line(p, cpsStmts, pl)
proc isInCurrentFrame(p: BProc, n: PNode): bool =
# checks if `n` is an expression that refers to the current frame;
@@ -148,7 +145,7 @@ proc genClosureCall(p: BProc, le, ri: PNode, d: var TLoc) =
proc addComma(r: PRope): PRope =
result = if r == nil: r else: con(r, ", ")
const CallPattern = "$1.ClEnv? $1.ClPrc($3$1.ClEnv) : (($4)($1.ClPrc))($2)"
const CallPattern = "$1.ClEnv? $1.ClPrc($3$1.ClEnv) : (($4)($1.ClPrc))($2);$n"
var op: TLoc
initLocExpr(p, ri.sons[0], op)
var pl: PRope
@@ -166,7 +163,7 @@ proc genClosureCall(p: BProc, le, ri: PNode, d: var TLoc) =
if i < length - 1: app(pl, ", ")
template genCallPattern =
appf(p.s(cpsStmts), CallPattern, op.r, pl, pl.addComma, rawProc)
lineF(p, cpsStmts, CallPattern, op.r, pl, pl.addComma, rawProc)
let rawProc = getRawProcType(p, typ)
if typ.sons[0] != nil:
@@ -181,13 +178,11 @@ proc genClosureCall(p: BProc, le, ri: PNode, d: var TLoc) =
resetLoc(p, d)
app(pl, addrLoc(d))
genCallPattern()
appf(p.s(cpsStmts), ";$n")
else:
var tmp: TLoc
getTemp(p, typ.sons[0], tmp)
app(pl, addrLoc(tmp))
app(pl, addrLoc(tmp))
genCallPattern()
appf(p.s(cpsStmts), ";$n")
genAssignment(p, d, tmp, {}) # no need for deep copying
else:
if d.k == locNone: getTemp(p, typ.sons[0], d)
@@ -198,7 +193,6 @@ proc genClosureCall(p: BProc, le, ri: PNode, d: var TLoc) =
genAssignment(p, d, list, {}) # no need for deep copying
else:
genCallPattern()
appf(p.s(cpsStmts), ";$n")
proc genInfixCall(p: BProc, le, ri: PNode, d: var TLoc) =
var op, a: TLoc
@@ -264,16 +258,14 @@ proc genNamedParamCall(p: BProc, ri: PNode, d: var TLoc) =
if d.k == locNone: getTemp(p, typ.sons[0], d)
app(pl, "Result: ")
app(pl, addrLoc(d))
app(pl, "]")
app(p.s(cpsStmts), pl)
appf(p.s(cpsStmts), ";$n")
appf(pl, "];$n")
line(p, cpsStmts, pl)
else:
var tmp: TLoc
getTemp(p, typ.sons[0], tmp)
app(pl, addrLoc(tmp))
app(pl, "]")
app(p.s(cpsStmts), pl)
appf(p.s(cpsStmts), ";$n")
appf(pl, "];$n")
line(p, cpsStmts, pl)
genAssignment(p, d, tmp, {}) # no need for deep copying
else:
app(pl, "]")
@@ -284,9 +276,8 @@ proc genNamedParamCall(p: BProc, ri: PNode, d: var TLoc) =
list.r = pl
genAssignment(p, d, list, {}) # no need for deep copying
else:
app(pl, "]")
app(p.s(cpsStmts), pl)
appf(p.s(cpsStmts), ";$n")
appf(pl, "];$n")
line(p, cpsStmts, pl)
proc genCall(p: BProc, e: PNode, d: var TLoc) =
if e.sons[0].typ.callConv == ccClosure:

144
compiler/ccgexprs.nim
View File

@@ -160,7 +160,7 @@ proc getStorageLoc(n: PNode): TStorageLoc =
proc genRefAssign(p: BProc, dest, src: TLoc, flags: TAssignmentFlags) =
if dest.s == OnStack or optRefcGC notin gGlobalOptions:
appf(p.s(cpsStmts), "$1 = $2;$n", [rdLoc(dest), rdLoc(src)])
lineF(p, cpsStmts, "$1 = $2;$n", [rdLoc(dest), rdLoc(src)])
if needToKeepAlive in flags: keepAlive(p, dest)
elif dest.s == OnHeap:
# location is on heap
@@ -168,25 +168,25 @@ proc genRefAssign(p: BProc, dest, src: TLoc, flags: TAssignmentFlags) =
#
# if afSrcIsNotNil in flags:
# UseMagic(p.module, 'nimGCref')
# appf(p.s[cpsStmts], 'nimGCref($1);$n', [rdLoc(src)])
# lineF(p, cpsStmts, 'nimGCref($1);$n', [rdLoc(src)])
# elif afSrcIsNil notin flags:
# UseMagic(p.module, 'nimGCref')
# appf(p.s[cpsStmts], 'if ($1) nimGCref($1);$n', [rdLoc(src)])
# lineF(p, cpsStmts, 'if ($1) nimGCref($1);$n', [rdLoc(src)])
# if afDestIsNotNil in flags:
# UseMagic(p.module, 'nimGCunref')
# appf(p.s[cpsStmts], 'nimGCunref($1);$n', [rdLoc(dest)])
# lineF(p, cpsStmts, 'nimGCunref($1);$n', [rdLoc(dest)])
# elif afDestIsNil notin flags:
# UseMagic(p.module, 'nimGCunref')
# appf(p.s[cpsStmts], 'if ($1) nimGCunref($1);$n', [rdLoc(dest)])
# appf(p.s[cpsStmts], '$1 = $2;$n', [rdLoc(dest), rdLoc(src)])
# lineF(p, cpsStmts, 'if ($1) nimGCunref($1);$n', [rdLoc(dest)])
# lineF(p, cpsStmts, '$1 = $2;$n', [rdLoc(dest), rdLoc(src)])
if canFormAcycle(dest.t):
appcg(p.module, p.s(cpsStmts), "#asgnRef((void**) $1, $2);$n",
lineCg(p, cpsStmts, "#asgnRef((void**) $1, $2);$n",
[addrLoc(dest), rdLoc(src)])
else:
appcg(p.module, p.s(cpsStmts), "#asgnRefNoCycle((void**) $1, $2);$n",
lineCg(p, cpsStmts, "#asgnRefNoCycle((void**) $1, $2);$n",
[addrLoc(dest), rdLoc(src)])
else:
appcg(p.module, p.s(cpsStmts), "#unsureAsgnRef((void**) $1, $2);$n",
lineCg(p, cpsStmts, "#unsureAsgnRef((void**) $1, $2);$n",
[addrLoc(dest), rdLoc(src)])
if needToKeepAlive in flags: keepAlive(p, dest)
@@ -200,15 +200,15 @@ proc genGenericAsgn(p: BProc, dest, src: TLoc, flags: TAssignmentFlags) =
if needToCopy notin flags or
tfShallow in skipTypes(dest.t, abstractVarRange).flags:
if dest.s == OnStack or optRefcGC notin gGlobalOptions:
appcg(p, cpsStmts,
lineCg(p, cpsStmts,
"memcpy((void*)$1, (NIM_CONST void*)$2, sizeof($3));$n",
[addrLoc(dest), addrLoc(src), rdLoc(dest)])
if needToKeepAlive in flags: keepAlive(p, dest)
else:
appcg(p, cpsStmts, "#genericShallowAssign((void*)$1, (void*)$2, $3);$n",
lineCg(p, cpsStmts, "#genericShallowAssign((void*)$1, (void*)$2, $3);$n",
[addrLoc(dest), addrLoc(src), genTypeInfo(p.module, dest.t)])
else:
appcg(p, cpsStmts, "#genericAssign((void*)$1, (void*)$2, $3);$n",
lineCg(p, cpsStmts, "#genericAssign((void*)$1, (void*)$2, $3);$n",
[addrLoc(dest), addrLoc(src), genTypeInfo(p.module, dest.t)])
proc genAssignment(p: BProc, dest, src: TLoc, flags: TAssignmentFlags) =
@@ -216,7 +216,7 @@ proc genAssignment(p: BProc, dest, src: TLoc, flags: TAssignmentFlags) =
# the assignment operation in C.
if src.t != nil and src.t.kind == tyPtr:
# little HACK to support the new 'var T' as return type:
appcg(p, cpsStmts, "$1 = $2;$n", [rdLoc(dest), rdLoc(src)])
lineCg(p, cpsStmts, "$1 = $2;$n", [rdLoc(dest), rdLoc(src)])
return
var ty = skipTypes(dest.t, abstractVarRange)
case ty.kind
@@ -226,24 +226,24 @@ proc genAssignment(p: BProc, dest, src: TLoc, flags: TAssignmentFlags) =
if needToCopy notin flags:
genRefAssign(p, dest, src, flags)
else:
appcg(p, cpsStmts, "#genericSeqAssign($1, $2, $3);$n",
lineCg(p, cpsStmts, "#genericSeqAssign($1, $2, $3);$n",
[addrLoc(dest), rdLoc(src), genTypeInfo(p.module, dest.t)])
of tyString:
if needToCopy notin flags:
genRefAssign(p, dest, src, flags)
else:
if dest.s == OnStack or optRefcGC notin gGlobalOptions:
appcg(p, cpsStmts, "$1 = #copyString($2);$n", [dest.rdLoc, src.rdLoc])
lineCg(p, cpsStmts, "$1 = #copyString($2);$n", [dest.rdLoc, src.rdLoc])
if needToKeepAlive in flags: keepAlive(p, dest)
elif dest.s == OnHeap:
# we use a temporary to care for the dreaded self assignment:
var tmp: TLoc
getTemp(p, ty, tmp)
appcg(p, cpsStmts, "$3 = $1; $1 = #copyStringRC1($2);$n",
lineCg(p, cpsStmts, "$3 = $1; $1 = #copyStringRC1($2);$n",
[dest.rdLoc, src.rdLoc, tmp.rdLoc])
appcg(p, cpsStmts, "if ($1) #nimGCunrefNoCycle($1);$n", tmp.rdLoc)
lineCg(p, cpsStmts, "if ($1) #nimGCunrefNoCycle($1);$n", tmp.rdLoc)
else:
appcg(p, cpsStmts, "#unsureAsgnRef((void**) $1, #copyString($2));$n",
lineCg(p, cpsStmts, "#unsureAsgnRef((void**) $1, #copyString($2));$n",
[addrLoc(dest), rdLoc(src)])
if needToKeepAlive in flags: keepAlive(p, dest)
of tyTuple, tyObject, tyProc:
@@ -251,34 +251,34 @@ proc genAssignment(p: BProc, dest, src: TLoc, flags: TAssignmentFlags) =
if needsComplexAssignment(dest.t):
genGenericAsgn(p, dest, src, flags)
else:
appcg(p, cpsStmts, "$1 = $2;$n", [rdLoc(dest), rdLoc(src)])
lineCg(p, cpsStmts, "$1 = $2;$n", [rdLoc(dest), rdLoc(src)])
of tyArray, tyArrayConstr:
if needsComplexAssignment(dest.t):
genGenericAsgn(p, dest, src, flags)
else:
appcg(p, cpsStmts,
lineCg(p, cpsStmts,
"memcpy((void*)$1, (NIM_CONST void*)$2, sizeof($1));$n",
[rdLoc(dest), rdLoc(src)])
of tyOpenArray:
# open arrays are always on the stack - really? What if a sequence is
# passed to an open array?
if needsComplexAssignment(dest.t):
appcg(p, cpsStmts, # XXX: is this correct for arrays?
lineCg(p, cpsStmts, # XXX: is this correct for arrays?
"#genericAssignOpenArray((void*)$1, (void*)$2, $1Len0, $3);$n",
[addrLoc(dest), addrLoc(src), genTypeInfo(p.module, dest.t)])
else:
appcg(p, cpsStmts,
lineCg(p, cpsStmts,
"memcpy((void*)$1, (NIM_CONST void*)$2, sizeof($1[0])*$1Len0);$n",
[rdLoc(dest), rdLoc(src)])
of tySet:
if mapType(ty) == ctArray:
appcg(p, cpsStmts, "memcpy((void*)$1, (NIM_CONST void*)$2, $3);$n",
lineCg(p, cpsStmts, "memcpy((void*)$1, (NIM_CONST void*)$2, $3);$n",
[rdLoc(dest), rdLoc(src), toRope(getSize(dest.t))])
else:
appcg(p, cpsStmts, "$1 = $2;$n", [rdLoc(dest), rdLoc(src)])
lineCg(p, cpsStmts, "$1 = $2;$n", [rdLoc(dest), rdLoc(src)])
of tyPtr, tyPointer, tyChar, tyBool, tyEnum, tyCString,
tyInt..tyUInt64, tyRange:
appcg(p, cpsStmts, "$1 = $2;$n", [rdLoc(dest), rdLoc(src)])
lineCg(p, cpsStmts, "$1 = $2;$n", [rdLoc(dest), rdLoc(src)])
else: InternalError("genAssignment(" & $ty.kind & ')')
proc expr(p: BProc, e: PNode, d: var TLoc)
@@ -317,20 +317,20 @@ proc binaryStmt(p: BProc, e: PNode, d: var TLoc, frmt: string) =
if d.k != locNone: InternalError(e.info, "binaryStmt")
InitLocExpr(p, e.sons[1], d)
InitLocExpr(p, e.sons[2], b)
appcg(p, cpsStmts, frmt, [rdLoc(d), rdLoc(b)])
lineCg(p, cpsStmts, frmt, [rdLoc(d), rdLoc(b)])
proc unaryStmt(p: BProc, e: PNode, d: var TLoc, frmt: string) =
var a: TLoc
if (d.k != locNone): InternalError(e.info, "unaryStmt")
InitLocExpr(p, e.sons[1], a)
appcg(p, cpsStmts, frmt, [rdLoc(a)])
lineCg(p, cpsStmts, frmt, [rdLoc(a)])
proc binaryStmtChar(p: BProc, e: PNode, d: var TLoc, frmt: string) =
var a, b: TLoc
if (d.k != locNone): InternalError(e.info, "binaryStmtChar")
InitLocExpr(p, e.sons[1], a)
InitLocExpr(p, e.sons[2], b)
appcg(p, cpsStmts, frmt, [rdCharLoc(a), rdCharLoc(b)])
lineCg(p, cpsStmts, frmt, [rdCharLoc(a), rdCharLoc(b)])
proc binaryExpr(p: BProc, e: PNode, d: var TLoc, frmt: string) =
var a, b: TLoc
@@ -382,11 +382,11 @@ proc binaryArithOverflow(p: BProc, e: PNode, d: var TLoc, m: TMagic) =
else:
storage = getTypeDesc(p.module, t)
var tmp = getTempName()
appcg(p, cpsLocals, "$1 $2;$n", [storage, tmp])
appcg(p, cpsStmts, "$1 = #$2($3, $4);$n", [tmp, toRope(prc[m]),
lineCg(p, cpsLocals, "$1 $2;$n", [storage, tmp])
lineCg(p, cpsStmts, "$1 = #$2($3, $4);$n", [tmp, toRope(prc[m]),
rdLoc(a), rdLoc(b)])
if size < platform.IntSize or t.kind in {tyRange, tyEnum, tySet}:
appcg(p, cpsStmts, "if ($1 < $2 || $1 > $3) #raiseOverflow();$n",
lineCg(p, cpsStmts, "if ($1 < $2 || $1 > $3) #raiseOverflow();$n",
[tmp, intLiteral(firstOrd(t)), intLiteral(lastOrd(t))])
putIntoDest(p, d, e.typ, ropef("(NI$1)($2)", [toRope(getSize(t)*8), tmp]))
@@ -404,7 +404,7 @@ proc unaryArithOverflow(p: BProc, e: PNode, d: var TLoc, m: TMagic) =
InitLocExpr(p, e.sons[1], a)
t = skipTypes(e.typ, abstractRange)
if optOverflowCheck in p.options:
appcg(p, cpsStmts, "if ($1 == $2) #raiseOverflow();$n",
lineCg(p, cpsStmts, "if ($1 == $2) #raiseOverflow();$n",
[rdLoc(a), intLiteral(firstOrd(t))])
putIntoDest(p, d, e.typ, ropef(opr[m], [rdLoc(a), toRope(getSize(t) * 8)]))
@@ -634,11 +634,11 @@ proc genCheckedRecordField(p: BProc, e: PNode, d: var TLoc) =
if id == gBackendId: strLit = getStrLit(p.module, field.name.s)
else: strLit = con("TMP", toRope(id))
if op.magic == mNot:
appcg(p, cpsStmts,
lineCg(p, cpsStmts,
"if ($1) #raiseFieldError(((#NimStringDesc*) &$2));$n",
[rdLoc(test), strLit])
else:
appcg(p, cpsStmts,
lineCg(p, cpsStmts,
"if (!($1)) #raiseFieldError(((#NimStringDesc*) &$2));$n",
[rdLoc(test), strLit])
appf(r, ".$1", [field.loc.r])
@@ -658,10 +658,10 @@ proc genArrayElem(p: BProc, e: PNode, d: var TLoc) =
# semantic pass has already checked for const index expressions
if firstOrd(ty) == 0:
if (firstOrd(b.t) < firstOrd(ty)) or (lastOrd(b.t) > lastOrd(ty)):
appcg(p, cpsStmts, "if ((NU)($1) > (NU)($2)) #raiseIndexError();$n",
lineCg(p, cpsStmts, "if ((NU)($1) > (NU)($2)) #raiseIndexError();$n",
[rdCharLoc(b), intLiteral(lastOrd(ty))])
else:
appcg(p, cpsStmts, "if ($1 < $2 || $1 > $3) #raiseIndexError();$n",
lineCg(p, cpsStmts, "if ($1 < $2 || $1 > $3) #raiseIndexError();$n",
[rdCharLoc(b), first, intLiteral(lastOrd(ty))])
if d.k == locNone: d.s = a.s
putIntoDest(p, d, elemType(skipTypes(ty, abstractVar)),
@@ -681,7 +681,7 @@ proc genOpenArrayElem(p: BProc, e: PNode, d: var TLoc) =
initLocExpr(p, e.sons[0], a)
initLocExpr(p, e.sons[1], b) # emit range check:
if optBoundsCheck in p.options:
appcg(p, cpsStmts, "if ((NU)($1) >= (NU)($2Len0)) #raiseIndexError();$n",
lineCg(p, cpsStmts, "if ((NU)($1) >= (NU)($2Len0)) #raiseIndexError();$n",
[rdLoc(b), rdLoc(a)]) # BUGFIX: ``>=`` and not ``>``!
if d.k == locNone: d.s = a.s
putIntoDest(p, d, elemType(skipTypes(a.t, abstractVar)),
@@ -696,11 +696,11 @@ proc genSeqElem(p: BPRoc, e: PNode, d: var TLoc) =
ty = skipTypes(ty.sons[0], abstractVarRange) # emit range check:
if optBoundsCheck in p.options:
if ty.kind == tyString:
appcg(p, cpsStmts,
lineCg(p, cpsStmts,
"if ((NU)($1) > (NU)($2->$3)) #raiseIndexError();$n",
[rdLoc(b), rdLoc(a), lenField()])
else:
appcg(p, cpsStmts,
lineCg(p, cpsStmts,
"if ((NU)($1) >= (NU)($2->$3)) #raiseIndexError();$n",
[rdLoc(b), rdLoc(a), lenField()])
if d.k == locNone: d.s = OnHeap
@@ -737,9 +737,9 @@ proc genAndOr(p: BProc, e: PNode, d: var TLoc, m: TMagic) =
expr(p, e.sons[1], tmp)
L = getLabel(p)
if m == mOr:
appf(p.s(cpsStmts), "if ($1) goto $2;$n", [rdLoc(tmp), L])
lineF(p, cpsStmts, "if ($1) goto $2;$n", [rdLoc(tmp), L])
else:
appf(p.s(cpsStmts), "if (!($1)) goto $2;$n", [rdLoc(tmp), L])
lineF(p, cpsStmts, "if (!($1)) goto $2;$n", [rdLoc(tmp), L])
expr(p, e.sons[2], tmp)
fixLabel(p, L)
if d.k == locNone:
@@ -772,9 +772,9 @@ proc genIfExpr(p: BProc, n: PNode, d: var TLoc) =
of nkElifExpr:
initLocExpr(p, it.sons[0], a)
Lelse = getLabel(p)
appf(p.s(cpsStmts), "if (!$1) goto $2;$n", [rdLoc(a), Lelse])
lineF(p, cpsStmts, "if (!$1) goto $2;$n", [rdLoc(a), Lelse])
expr(p, it.sons[1], tmp)
appf(p.s(cpsStmts), "goto $1;$n", [Lend])
lineF(p, cpsStmts, "goto $1;$n", [Lend])
fixLabel(p, Lelse)
of nkElseExpr:
expr(p, it.sons[0], tmp)
@@ -793,7 +793,7 @@ proc genEcho(p: BProc, n: PNode) =
for i in countup(1, n.len-1):
initLocExpr(p, n.sons[i], a)
appf(args, ", ($1)->data", [rdLoc(a)])
appcg(p, cpsStmts, "printf($1$2);$n", [
lineCg(p, cpsStmts, "printf($1$2);$n", [
makeCString(repeatStr(n.len-1, "%s") & tnl), args])
include ccgcalls
@@ -825,14 +825,14 @@ proc genStrConcat(p: BProc, e: PNode, d: var TLoc) =
initLocExpr(p, e.sons[i + 1], a)
if skipTypes(e.sons[i + 1].Typ, abstractVarRange).kind == tyChar:
Inc(L)
appcg(p.module, appends, "#appendChar($1, $2);$n", [tmp.r, rdLoc(a)])
appLineCg(p, appends, "#appendChar($1, $2);$n", [tmp.r, rdLoc(a)])
else:
if e.sons[i + 1].kind in {nkStrLit..nkTripleStrLit}:
Inc(L, len(e.sons[i + 1].strVal))
else:
appf(lens, "$1->$2 + ", [rdLoc(a), lenField()])
appcg(p.module, appends, "#appendString($1, $2);$n", [tmp.r, rdLoc(a)])
appcg(p, cpsStmts, "$1 = #rawNewString($2$3);$n", [tmp.r, lens, toRope(L)])
appLineCg(p, appends, "#appendString($1, $2);$n", [tmp.r, rdLoc(a)])
lineCg(p, cpsStmts, "$1 = #rawNewString($2$3);$n", [tmp.r, lens, toRope(L)])
app(p.s(cpsStmts), appends)
if d.k == locNone:
d = tmp
@@ -863,16 +863,16 @@ proc genStrAppend(p: BProc, e: PNode, d: var TLoc) =
initLocExpr(p, e.sons[i + 2], a)
if skipTypes(e.sons[i + 2].Typ, abstractVarRange).kind == tyChar:
Inc(L)
appcg(p.module, appends, "#appendChar($1, $2);$n",
appLineCg(p, appends, "#appendChar($1, $2);$n",
[rdLoc(dest), rdLoc(a)])
else:
if e.sons[i + 2].kind in {nkStrLit..nkTripleStrLit}:
Inc(L, len(e.sons[i + 2].strVal))
else:
appf(lens, "$1->$2 + ", [rdLoc(a), lenField()])
appcg(p.module, appends, "#appendString($1, $2);$n",
appLineCg(p, appends, "#appendString($1, $2);$n",
[rdLoc(dest), rdLoc(a)])
appcg(p, cpsStmts, "$1 = #resizeString($1, $2$3);$n",
lineCg(p, cpsStmts, "$1 = #resizeString($1, $2$3);$n",
[rdLoc(dest), lens, toRope(L)])
keepAlive(p, dest)
app(p.s(cpsStmts), appends)
@@ -889,7 +889,7 @@ proc genSeqElemAppend(p: BProc, e: PNode, d: var TLoc) =
var a, b, dest: TLoc
InitLocExpr(p, e.sons[1], a)
InitLocExpr(p, e.sons[2], b)
appcg(p, cpsStmts, seqAppendPattern, [
lineCg(p, cpsStmts, seqAppendPattern, [
rdLoc(a),
getTypeDesc(p.module, skipTypes(e.sons[1].typ, abstractVar)),
getTypeDesc(p.module, skipTypes(e.sons[2].Typ, abstractVar))])
@@ -901,7 +901,7 @@ proc genSeqElemAppend(p: BProc, e: PNode, d: var TLoc) =
proc genReset(p: BProc, n: PNode) =
var a: TLoc
InitLocExpr(p, n.sons[1], a)
appcg(p, cpsStmts, "#genericReset((void*)$1, $2);$n",
lineCg(p, cpsStmts, "#genericReset((void*)$1, $2);$n",
[addrLoc(a), genTypeInfo(p.module, skipTypes(a.t, abstractVarRange))])
proc genNew(p: BProc, e: PNode) =
@@ -917,11 +917,11 @@ proc genNew(p: BProc, e: PNode) =
if a.s == OnHeap and optRefcGc in gGlobalOptions:
# use newObjRC1 as an optimization; and we don't need 'keepAlive' either
if canFormAcycle(a.t):
appcg(p, cpsStmts, "if ($1) #nimGCunref($1);$n", a.rdLoc)
lineCg(p, cpsStmts, "if ($1) #nimGCunref($1);$n", a.rdLoc)
else:
appcg(p, cpsStmts, "if ($1) #nimGCunrefNoCycle($1);$n", a.rdLoc)
lineCg(p, cpsStmts, "if ($1) #nimGCunrefNoCycle($1);$n", a.rdLoc)
b.r = ropecg(p.module, "($1) #newObjRC1($2, sizeof($3))", args)
appcg(p, cpsStmts, "$1 = $2;$n", a.rdLoc, b.rdLoc)
lineCg(p, cpsStmts, "$1 = $2;$n", a.rdLoc, b.rdLoc)
else:
b.r = ropecg(p.module, "($1) #newObj($2, sizeof($3))", args)
genAssignment(p, a, b, {needToKeepAlive}) # set the object type:
@@ -935,9 +935,9 @@ proc genNewSeqAux(p: BProc, dest: TLoc, length: PRope) =
var call: TLoc
initLoc(call, locExpr, dest.t, OnHeap)
if dest.s == OnHeap and optRefcGc in gGlobalOptions:
appcg(p, cpsStmts, "if ($1) #nimGCunrefNoCycle($1);$n", dest.rdLoc)
lineCg(p, cpsStmts, "if ($1) #nimGCunrefNoCycle($1);$n", dest.rdLoc)
call.r = ropecg(p.module, "($1) #newSeqRC1($2, $3)", args)
appcg(p, cpsStmts, "$1 = $2;$n", dest.rdLoc, call.rdLoc)
lineCg(p, cpsStmts, "$1 = $2;$n", dest.rdLoc, call.rdLoc)
else:
call.r = ropecg(p.module, "($1) #newSeq($2, $3)", args)
genAssignment(p, dest, call, {needToKeepAlive})
@@ -1124,7 +1124,7 @@ proc genSetLengthSeq(p: BProc, e: PNode, d: var TLoc) =
else:
"$1 = ($3) #setLengthSeq($1, sizeof($4), $2);$n"
appcg(p, cpsStmts, setLenPattern, [
lineCg(p, cpsStmts, setLenPattern, [
rdLoc(a), rdLoc(b), getTypeDesc(p.module, t),
getTypeDesc(p.module, t.sons[0])])
keepAlive(p, a)
@@ -1181,7 +1181,7 @@ proc binaryStmtInExcl(p: BProc, e: PNode, d: var TLoc, frmt: string) =
assert(d.k == locNone)
InitLocExpr(p, e.sons[1], a)
InitLocExpr(p, e.sons[2], b)
appf(p.s(cpsStmts), frmt, [rdLoc(a), rdSetElemLoc(b, a.t)])
lineF(p, cpsStmts, frmt, [rdLoc(a), rdSetElemLoc(b, a.t)])
proc genInOp(p: BProc, e: PNode, d: var TLoc) =
var a, b, x, y: TLoc
@@ -1257,7 +1257,7 @@ proc genSetOp(p: BProc, e: PNode, d: var TLoc, op: TMagic) =
initLocExpr(p, e.sons[1], a)
initLocExpr(p, e.sons[2], b)
if d.k == locNone: getTemp(p, a.t, d)
appf(p.s(cpsStmts), lookupOpr[op],
lineF(p, cpsStmts, lookupOpr[op],
[rdLoc(i), toRope(size), rdLoc(d), rdLoc(a), rdLoc(b)])
of mEqSet:
binaryExprChar(p, e, d, "(memcmp($1, $2, " & $(size) & ")==0)")
@@ -1267,7 +1267,7 @@ proc genSetOp(p: BProc, e: PNode, d: var TLoc, op: TMagic) =
initLocExpr(p, e.sons[1], a)
initLocExpr(p, e.sons[2], b)
if d.k == locNone: getTemp(p, a.t, d)
appf(p.s(cpsStmts),
lineF(p, cpsStmts,
"for ($1 = 0; $1 < $2; $1++) $n" &
" $3[$1] = $4[$1] $6 $5[$1];$n", [
rdLoc(i), toRope(size), rdLoc(d), rdLoc(a), rdLoc(b),
@@ -1356,9 +1356,9 @@ proc binaryFloatArith(p: BProc, e: PNode, d: var TLoc, m: TMagic) =
putIntoDest(p, d, e.typ, ropef("($2 $1 $3)", [
toRope(opr[m]), rdLoc(a), rdLoc(b)]))
if optNanCheck in p.options:
appcg(p, cpsStmts, "#nanCheck($1);$n", [rdLoc(d)])
lineCg(p, cpsStmts, "#nanCheck($1);$n", [rdLoc(d)])
if optInfCheck in p.options:
appcg(p, cpsStmts, "#infCheck($1);$n", [rdLoc(d)])
lineCg(p, cpsStmts, "#infCheck($1);$n", [rdLoc(d)])
else:
binaryArith(p, e, d, m)
@@ -1479,35 +1479,35 @@ proc genSetConstr(p: BProc, e: PNode, d: var TLoc) =
if d.k == locNone: getTemp(p, e.typ, d)
if getSize(e.typ) > 8:
# big set:
appf(p.s(cpsStmts), "memset($1, 0, sizeof($1));$n", [rdLoc(d)])
lineF(p, cpsStmts, "memset($1, 0, sizeof($1));$n", [rdLoc(d)])
for i in countup(0, sonsLen(e) - 1):
if e.sons[i].kind == nkRange:
getTemp(p, getSysType(tyInt), idx) # our counter
initLocExpr(p, e.sons[i].sons[0], a)
initLocExpr(p, e.sons[i].sons[1], b)
appf(p.s(cpsStmts), "for ($1 = $3; $1 <= $4; $1++) $n" &
lineF(p, cpsStmts, "for ($1 = $3; $1 <= $4; $1++) $n" &
"$2[$1/8] |=(1<<($1%8));$n", [rdLoc(idx), rdLoc(d),
rdSetElemLoc(a, e.typ), rdSetElemLoc(b, e.typ)])
else:
initLocExpr(p, e.sons[i], a)
appf(p.s(cpsStmts), "$1[$2/8] |=(1<<($2%8));$n",
lineF(p, cpsStmts, "$1[$2/8] |=(1<<($2%8));$n",
[rdLoc(d), rdSetElemLoc(a, e.typ)])
else:
# small set
var ts = "NI" & $(getSize(e.typ) * 8)
appf(p.s(cpsStmts), "$1 = 0;$n", [rdLoc(d)])
lineF(p, cpsStmts, "$1 = 0;$n", [rdLoc(d)])
for i in countup(0, sonsLen(e) - 1):
if e.sons[i].kind == nkRange:
getTemp(p, getSysType(tyInt), idx) # our counter
initLocExpr(p, e.sons[i].sons[0], a)
initLocExpr(p, e.sons[i].sons[1], b)
appf(p.s(cpsStmts), "for ($1 = $3; $1 <= $4; $1++) $n" &
lineF(p, cpsStmts, "for ($1 = $3; $1 <= $4; $1++) $n" &
"$2 |=(1<<((" & ts & ")($1)%(sizeof(" & ts & ")*8)));$n", [
rdLoc(idx), rdLoc(d), rdSetElemLoc(a, e.typ),
rdSetElemLoc(b, e.typ)])
else:
initLocExpr(p, e.sons[i], a)
appf(p.s(cpsStmts),
lineF(p, cpsStmts,
"$1 |=(1<<((" & ts & ")($2)%(sizeof(" & ts & ")*8)));$n",
[rdLoc(d), rdSetElemLoc(a, e.typ)])
@@ -1548,7 +1548,7 @@ proc genClosure(p: BProc, n: PNode, d: var TLoc) =
initLocExpr(p, n.sons[0], a)
initLocExpr(p, n.sons[1], b)
getTemp(p, n.typ, tmp)
appcg(p, cpsStmts, "$1.ClPrc = $2; $1.ClEnv = $3;$n",
lineCg(p, cpsStmts, "$1.ClPrc = $2; $1.ClEnv = $3;$n",
tmp.rdLoc, a.rdLoc, b.rdLoc)
putLocIntoDest(p, d, tmp)
@@ -1588,10 +1588,10 @@ proc upConv(p: BProc, n: PNode, d: var TLoc) =
app(r, ".Sup")
t = skipTypes(t.sons[0], abstractInst)
if nilCheck != nil:
appcg(p, cpsStmts, "if ($1) #chckObj($2.m_type, $3);$n",
lineCg(p, cpsStmts, "if ($1) #chckObj($2.m_type, $3);$n",
[nilCheck, r, genTypeInfo(p.module, dest)])
else:
appcg(p, cpsStmts, "#chckObj($1.m_type, $2);$n",
lineCg(p, cpsStmts, "#chckObj($1.m_type, $2);$n",
[r, genTypeInfo(p.module, dest)])
if n.sons[0].typ.kind != tyObject:
putIntoDest(p, d, n.typ,

126
compiler/ccgstmts.nim
View File

@@ -49,12 +49,12 @@ proc loadInto(p: BProc, le, ri: PNode, a: var TLoc) {.inline.} =
proc startBlock(p: BProc, start: TFormatStr = "{$n",
args: openarray[PRope]): int {.discardable.} =
lineCg(p, cpsStmts, start, args)
inc(p.labels)
result = len(p.blocks)
setlen(p.blocks, result + 1)
p.blocks[result].id = p.labels
p.blocks[result].nestedTryStmts = p.nestedTryStmts.len
appcg(p, cpsLocals, start, args)
proc assignLabel(b: var TBlock): PRope {.inline.} =
b.label = con("LA", b.id.toRope)
@@ -70,7 +70,7 @@ proc endBlock(p: BProc, blockEnd: PRope) =
setlen(p.blocks, topBlock)
# this is done after the block is popped so $n is
# properly indented when pretty printing is enabled
app(p.s(cpsStmts), blockEnd)
line(p, cpsStmts, blockEnd)
var gBlockEndBracket = ropef("}$n")
@@ -184,12 +184,12 @@ proc genIfStmt(p: BProc, n: PNode) =
initLocExpr(p, it.sons[0], a)
Lelse = getLabel(p)
inc(p.labels)
appff(p.s(cpsStmts), "if (!$1) goto $2;$n",
"br i1 $1, label %LOC$3, label %$2$n" & "LOC$3: $n",
lineFF(p, cpsStmts, "if (!$1) goto $2;$n",
"br i1 $1, label %LOC$3, label %$2$n" & "LOC$3: $n",
[rdLoc(a), Lelse, toRope(p.labels)])
genSimpleBlock(p, it.sons[1])
if sonsLen(n) > 1:
appff(p.s(cpsStmts), "goto $1;$n", "br label %$1$n", [Lend])
lineFF(p, cpsStmts, "goto $1;$n", "br label %$1$n", [Lend])
fixLabel(p, Lelse)
of nkElse:
genSimpleBlock(p, it.sons[0])
@@ -211,7 +211,7 @@ proc blockLeaveActions(p: BProc, howMany: int) =
if alreadyPoppedCnt > 0:
dec alreadyPoppedCnt
else:
appcg(p, cpsStmts, "#popSafePoint();$n", [])
lineCg(p, cpsStmts, "#popSafePoint();$n", [])
var finallyStmt = lastSon(tryStmt)
if finallyStmt.kind == nkFinally:
genStmts(p, finallyStmt.sons[0])
@@ -220,14 +220,14 @@ proc blockLeaveActions(p: BProc, howMany: int) =
p.nestedTryStmts.add(stack[i])
if gCmd != cmdCompileToCpp:
for i in countdown(p.inExceptBlock-1, 0):
appcg(p, cpsStmts, "#popCurrentException();$n", [])
lineCg(p, cpsStmts, "#popCurrentException();$n", [])
proc genReturnStmt(p: BProc, t: PNode) =
p.beforeRetNeeded = true
genLineDir(p, t)
if (t.sons[0].kind != nkEmpty): genStmts(p, t.sons[0])
blockLeaveActions(p, min(1, p.nestedTryStmts.len))
appff(p.s(cpsStmts), "goto BeforeRet;$n", "br label %BeforeRet$n", [])
lineFF(p, cpsStmts, "goto BeforeRet;$n", "br label %BeforeRet$n", [])
proc genWhileStmt(p: BProc, t: PNode) =
# we don't generate labels here as for example GCC would produce
@@ -245,7 +245,7 @@ proc genWhileStmt(p: BProc, t: PNode) =
initLocExpr(p, t.sons[0], a)
if (t.sons[0].kind != nkIntLit) or (t.sons[0].intVal == 0):
let label = assignLabel(p.blocks[p.breakIdx])
appf(p.s(cpsStmts), "if (!$1) goto $2;$n", [rdLoc(a), label])
lineF(p, cpsStmts, "if (!$1) goto $2;$n", [rdLoc(a), label])
genStmts(p, t.sons[1])
endBlock(p)
@@ -279,7 +279,7 @@ proc genParForStmt(p: BProc, t: PNode) =
initLocExpr(p, call.sons[1], rangeA)
initLocExpr(p, call.sons[2], rangeB)
appf(p.s(cpsStmts), "#pragma omp parallel for $4$n" &
lineF(p, cpsStmts, "#pragma omp parallel for $4$n" &
"for ($1 = $2; $1 <= $3; ++$1)",
forLoopVar.loc.rdLoc,
rangeA.rdLoc, rangeB.rdLoc,
@@ -308,7 +308,7 @@ proc genBreakStmt(p: BProc, t: PNode) =
let label = assignLabel(p.blocks[idx])
blockLeaveActions(p, p.nestedTryStmts.len - p.blocks[idx].nestedTryStmts)
genLineDir(p, t)
appf(p.s(cpsStmts), "goto $1;$n", [label])
lineF(p, cpsStmts, "goto $1;$n", [label])
proc getRaiseFrmt(p: BProc): string =
if gCmd == cmdCompileToCpp:
@@ -329,14 +329,14 @@ proc genRaiseStmt(p: BProc, t: PNode) =
var e = rdLoc(a)
var typ = skipTypes(t.sons[0].typ, abstractPtrs)
genLineDir(p, t)
appcg(p, cpsStmts, getRaiseFrmt(p), [e, makeCString(typ.sym.name.s)])
lineCg(p, cpsStmts, getRaiseFrmt(p), [e, makeCString(typ.sym.name.s)])
else:
genLineDir(p, t)
# reraise the last exception:
if gCmd == cmdCompileToCpp:
appcg(p, cpsStmts, "throw;$n")
lineCg(p, cpsStmts, "throw;$n")
else:
appcg(p, cpsStmts, "#reraiseException();$n")
lineCg(p, cpsStmts, "#reraiseException();$n")
proc genCaseGenericBranch(p: BProc, b: PNode, e: TLoc,
rangeFormat, eqFormat: TFormatStr, labl: TLabel) =
@@ -347,20 +347,20 @@ proc genCaseGenericBranch(p: BProc, b: PNode, e: TLoc,
if b.sons[i].kind == nkRange:
initLocExpr(p, b.sons[i].sons[0], x)
initLocExpr(p, b.sons[i].sons[1], y)
appcg(p, cpsStmts, rangeFormat,
lineCg(p, cpsStmts, rangeFormat,
[rdCharLoc(e), rdCharLoc(x), rdCharLoc(y), labl])
else:
initLocExpr(p, b.sons[i], x)
appcg(p, cpsStmts, eqFormat, [rdCharLoc(e), rdCharLoc(x), labl])
lineCg(p, cpsStmts, eqFormat, [rdCharLoc(e), rdCharLoc(x), labl])
proc genCaseSecondPass(p: BProc, t: PNode, labId, until: int): TLabel =
var Lend = getLabel(p)
for i in 1..until:
appf(p.s(cpsStmts), "LA$1: ;$n", [toRope(labId + i)])
lineF(p, cpsStmts, "LA$1: ;$n", [toRope(labId + i)])
if t.sons[i].kind == nkOfBranch:
var length = sonsLen(t.sons[i])
genSimpleBlock(p, t.sons[i].sons[length - 1])
appf(p.s(cpsStmts), "goto $1;$n", [Lend])
lineF(p, cpsStmts, "goto $1;$n", [Lend])
else:
genSimpleBlock(p, t.sons[i].sons[0])
result = Lend
@@ -375,13 +375,13 @@ proc genIfForCaseUntil(p: BProc, t: PNode, rangeFormat, eqFormat: TFormatStr,
genCaseGenericBranch(p, t.sons[i], a, rangeFormat, eqFormat,
con("LA", toRope(p.labels)))
else:
appf(p.s(cpsStmts), "goto LA$1;$n", [toRope(p.labels)])
lineF(p, cpsStmts, "goto LA$1;$n", [toRope(p.labels)])
if until < t.len-1:
inc(p.labels)
var gotoTarget = p.labels
appf(p.s(cpsStmts), "goto LA$1;$n", [toRope(gotoTarget)])
lineF(p, cpsStmts, "goto LA$1;$n", [toRope(gotoTarget)])
result = genCaseSecondPass(p, t, labId, until)
appf(p.s(cpsStmts), "LA$1: ;$n", [toRope(gotoTarget)])
lineF(p, cpsStmts, "LA$1: ;$n", [toRope(gotoTarget)])
else:
result = genCaseSecondPass(p, t, labId, until)
@@ -423,7 +423,7 @@ proc genStringCase(p: BProc, t: PNode) =
else:
# else statement: nothing to do yet
# but we reserved a label, which we use later
appcg(p, cpsStmts, "switch (#hashString($1) & $2) {$n",
lineCg(p, cpsStmts, "switch (#hashString($1) & $2) {$n",
[rdLoc(a), toRope(bitMask)])
for j in countup(0, high(branches)):
when false:
@@ -433,11 +433,11 @@ proc genStringCase(p: BProc, t: PNode) =
if interior != brn:
echo "BUG! ", interior, "-", brn
if branches[j] != nil:
appf(p.s(cpsStmts), "case $1: $n$2break;$n",
lineF(p, cpsStmts, "case $1: $n$2break;$n",
[intLiteral(j), branches[j]])
appf(p.s(cpsStmts), "}$n") # else statement:
lineF(p, cpsStmts, "}$n") # else statement:
if t.sons[sonsLen(t) - 1].kind != nkOfBranch:
appf(p.s(cpsStmts), "goto LA$1;$n", [toRope(p.labels)])
lineF(p, cpsStmts, "goto LA$1;$n", [toRope(p.labels)])
# third pass: generate statements
var Lend = genCaseSecondPass(p, t, labId, sonsLen(t)-1)
fixLabel(p, Lend)
@@ -466,16 +466,16 @@ proc genCaseRange(p: BProc, branch: PNode) =
for j in 0 .. length-2:
if branch[j].kind == nkRange:
if hasSwitchRange in CC[ccompiler].props:
appf(p.s(cpsStmts), "case $1 ... $2:$n", [
lineF(p, cpsStmts, "case $1 ... $2:$n", [
genLiteral(p, branch[j][0]),
genLiteral(p, branch[j][1])])
else:
var v = copyNode(branch[j][0])
while v.intVal <= branch[j][1].intVal:
appf(p.s(cpsStmts), "case $1:$n", [genLiteral(p, v)])
lineF(p, cpsStmts, "case $1:$n", [genLiteral(p, v)])
Inc(v.intVal)
else:
appf(p.s(cpsStmts), "case $1:$n", [genLiteral(p, branch[j])])
lineF(p, cpsStmts, "case $1:$n", [genLiteral(p, branch[j])])
proc genOrdinalCase(p: BProc, n: PNode) =
# analyse 'case' statement:
@@ -491,7 +491,7 @@ proc genOrdinalCase(p: BProc, n: PNode) =
# generate switch part (might be empty):
if splitPoint+1 < n.len:
appf(p.s(cpsStmts), "switch ($1) {$n", [rdCharLoc(a)])
lineF(p, cpsStmts, "switch ($1) {$n", [rdCharLoc(a)])
var hasDefault = false
for i in splitPoint+1 .. < n.len:
var branch = n[i]
@@ -500,13 +500,13 @@ proc genOrdinalCase(p: BProc, n: PNode) =
genSimpleBlock(p, branch.lastSon)
else:
# else part of case statement:
appf(p.s(cpsStmts), "default:$n")
lineF(p, cpsStmts, "default:$n")
genSimpleBlock(p, branch[0])
hasDefault = true
appf(p.s(cpsStmts), "break;$n")
lineF(p, cpsStmts, "break;$n")
if (hasAssume in CC[ccompiler].props) and not hasDefault:
appf(p.s(cpsStmts), "default: __assume(0);$n")
appf(p.s(cpsStmts), "}$n")
lineF(p, cpsStmts, "default: __assume(0);$n")
lineF(p, cpsStmts, "}$n")
if Lend != nil: fixLabel(p, Lend)
proc genCaseStmt(p: BProc, t: PNode) =
@@ -563,7 +563,7 @@ proc genTryStmtCpp(p: BProc, t: PNode) =
length = sonsLen(t)
endBlock(p, ropecg(p.module, "} catch (NimException& $1) {$n", [exc]))
if optStackTrace in p.Options:
appcg(p, cpsStmts, "#setFrame((TFrame*)&F);$n")
lineCg(p, cpsStmts, "#setFrame((TFrame*)&F);$n")
inc p.inExceptBlock
i = 1
var catchAllPresent = false
@@ -582,22 +582,22 @@ proc genTryStmtCpp(p: BProc, t: PNode) =
appcg(p.module, orExpr,
"#isObj($1.exp->m_type, $2)",
[exc, genTypeInfo(p.module, t.sons[i].sons[j].typ)])
appf(p.s(cpsStmts), "if ($1) ", [orExpr])
lineF(p, cpsStmts, "if ($1) ", [orExpr])
genSimpleBlock(p, t.sons[i].sons[blen-1])
inc(i)
# reraise the exception if there was no catch all
# and none of the handlers matched
if not catchAllPresent:
if i > 1: appf(p.s(cpsStmts), "else ")
if i > 1: lineF(p, cpsStmts, "else ")
startBlock(p)
var finallyBlock = t.lastSon
if finallyBlock.kind == nkFinally:
genStmts(p, finallyBlock.sons[0])
appcg(p, cpsStmts, "throw;$n")
lineCg(p, cpsStmts, "throw;$n")
endBlock(p)
appf(p.s(cpsStmts), "}$n") # end of catch block
lineF(p, cpsStmts, "}$n") # end of catch block
dec p.inExceptBlock
discard pop(p.nestedTryStmts)
@@ -636,48 +636,52 @@ proc genTryStmt(p: BProc, t: PNode) =
genLineDir(p, t)
var safePoint = getTempName()
discard cgsym(p.module, "E_Base")
appcg(p, cpsLocals, "#TSafePoint $1;$n", [safePoint])
appcg(p, cpsStmts, "#pushSafePoint(&$1);$n" &
"$1.status = setjmp($1.context);$n", [safePoint])
lineCg(p, cpsLocals, "#TSafePoint $1;$n", [safePoint])
lineCg(p, cpsStmts, "#pushSafePoint(&$1);$n", [safePoint])
lineF(p, cpsStmts, "$1.status = setjmp($1.context);$n", [safePoint])
startBlock(p, "if ($1.status == 0) {$n", [safePoint])
var length = sonsLen(t)
add(p.nestedTryStmts, t)
genStmts(p, t.sons[0])
endBlock(p, ropecg(p.module, "#popSafePoint();$n } else {$n#popSafePoint();$n"))
if optStackTrace in p.Options:
appcg(p, cpsStmts, "#setFrame((TFrame*)&F);$n")
linecg(p, cpsStmts, "#popSafePoint();$n")
endBlock(p)
startBlock(p, "else {$n")
lineCg(p, cpsStmts, "#popSafePoint();$n")
if optStackTrace in p.Options:
lineCg(p, cpsStmts, "#setFrame((TFrame*)&F);$n")
inc p.inExceptBlock
var i = 1
while (i < length) and (t.sons[i].kind == nkExceptBranch):
while (i < length) and (t.sons[i].kind == nkExceptBranch):
var blen = sonsLen(t.sons[i])
if blen == 1:
if blen == 1:
# general except section:
if i > 1: appf(p.s(cpsStmts), "else")
if i > 1: lineF(p, cpsStmts, "else")
startBlock(p)
appcg(p, cpsStmts, "$1.status = 0;$n", [safePoint])
lineCg(p, cpsStmts, "$1.status = 0;$n", [safePoint])
genStmts(p, t.sons[i].sons[0])
appcg(p, cpsStmts, "#popCurrentException();$n", [])
lineCg(p, cpsStmts, "#popCurrentException();$n")
endBlock(p)
else:
var orExpr: PRope = nil
for j in countup(0, blen - 2):
for j in countup(0, blen - 2):
assert(t.sons[i].sons[j].kind == nkType)
if orExpr != nil: app(orExpr, "||")
appcg(p.module, orExpr,
"#isObj(#getCurrentException()->Sup.m_type, $1)",
appcg(p.module, orExpr,
"#isObj(#getCurrentException()->Sup.m_type, $1)",
[genTypeInfo(p.module, t.sons[i].sons[j].typ)])
if i > 1: app(p.s(cpsStmts), "else ")
if i > 1: line(p, cpsStmts, "else ")
startBlock(p, "if ($1) {$n", [orExpr])
appcg(p, cpsStmts, "$1.status = 0;$n", [safePoint])
lineCg(p, cpsStmts, "$1.status = 0;$n", [safePoint])
genStmts(p, t.sons[i].sons[blen-1])
endBlock(p, ropecg(p.module, "#popCurrentException();}$n"))
lineCg(p, cpsStmts, "#popCurrentException();$n")
endBlock(p)
inc(i)
dec p.inExceptBlock
discard pop(p.nestedTryStmts)
appf(p.s(cpsStmts), "}$n") # end of else block
endBlock(p) # end of else block
if i < length and t.sons[i].kind == nkFinally:
genSimpleBlock(p, t.sons[i].sons[0])
appcg(p, cpsStmts, "if ($1.status != 0) #reraiseException();$n", [safePoint])
lineCg(p, cpsStmts, "if ($1.status != 0) #reraiseException();$n", [safePoint])
proc genAsmOrEmitStmt(p: BProc, t: PNode): PRope =
for i in countup(0, sonsLen(t) - 1):
@@ -704,7 +708,7 @@ proc genAsmStmt(p: BProc, t: PNode) =
assert(t.kind == nkAsmStmt)
genLineDir(p, t)
var s = genAsmOrEmitStmt(p, t)
appf(p.s(cpsStmts), CC[ccompiler].asmStmtFrmt, [s])
lineF(p, cpsStmts, CC[ccompiler].asmStmtFrmt, [s])
proc genEmit(p: BProc, t: PNode) =
genLineDir(p, t)
@@ -713,7 +717,7 @@ proc genEmit(p: BProc, t: PNode) =
# top level emit pragma?
app(p.module.s[cfsProcHeaders], s)
else:
app(p.s(cpsStmts), s)
line(p, cpsStmts, s)
var
breakPointId: int = 0
@@ -739,7 +743,7 @@ proc genWatchpoint(p: BProc, n: PNode) =
var a: TLoc
initLocExpr(p, n.sons[1], a)
let typ = skipTypes(n.sons[1].typ, abstractVarRange)
appcg(p, cpsStmts, "#dbgRegisterWatchpoint($1, (NCSTRING)$2, $3);$n",
lineCg(p, cpsStmts, "#dbgRegisterWatchpoint($1, (NCSTRING)$2, $3);$n",
[a.addrLoc, makeCString(renderTree(n.sons[1])),
genTypeInfo(p.module, typ)])
@@ -779,7 +783,7 @@ proc genDiscriminantCheck(p: BProc, a, tmp: TLoc, objtype: PType,
if not ContainsOrIncl(p.module.declaredThings, field.id):
appcg(p.module, cfsVars, "extern $1",
discriminatorTableDecl(p.module, t, field))
appcg(p, cpsStmts,
lineCg(p, cpsStmts,
"#FieldDiscriminantCheck((NI)(NU)($1), (NI)(NU)($2), $3, $4);$n",
[rdLoc(a), rdLoc(tmp), discriminatorTableName(p.module, t, field),
intLiteral(L+1)])

5
compiler/ccgthreadvars.nim
View File

@@ -19,9 +19,8 @@ proc AccessThreadLocalVar(p: BProc, s: PSym) =
if emulatedThreadVars() and not p.ThreadVarAccessed:
p.ThreadVarAccessed = true
p.module.usesThreadVars = true
appf(p.procSec(cpsLocals), "NimThreadVars* NimTV;$n")
app(p.procSec(cpsInit),
ropecg(p.module, "NimTV=(NimThreadVars*)#GetThreadLocalVars();$n"))
lineF(p, cpsLocals, "NimThreadVars* NimTV;$n")
lineCg(p, cpsInit, "NimTV = (NimThreadVars*) #GetThreadLocalVars();$n")
var
nimtv: PRope # nimrod thread vars; the struct body

22
compiler/ccgtrav.nim
View File

@@ -31,17 +31,17 @@ proc genTraverseProc(c: var TTraversalClosure, accessor: PRope, n: PNode) =
if (n.sons[0].kind != nkSym): InternalError(n.info, "genTraverseProc")
var p = c.p
let disc = n.sons[0].sym
p.s(cpsStmts).appf("switch ($1.$2) {$n", accessor, disc.loc.r)
lineF(p, cpsStmts, "switch ($1.$2) {$n", accessor, disc.loc.r)
for i in countup(1, sonsLen(n) - 1):
let branch = n.sons[i]
assert branch.kind in {nkOfBranch, nkElse}
if branch.kind == nkOfBranch:
genCaseRange(c.p, branch)
else:
p.s(cpsStmts).appf("default:$n")
lineF(p, cpsStmts, "default:$n")
genTraverseProc(c, accessor, lastSon(branch))
p.s(cpsStmts).appf("break;$n")
p.s(cpsStmts).appf("} $n")
lineF(p, cpsStmts, "break;$n")
lineF(p, cpsStmts, "} $n")
of nkSym:
let field = n.sym
genTraverseProc(c, ropef("$1.$2", accessor, field.loc.r), field.loc.t)
@@ -63,10 +63,10 @@ proc genTraverseProc(c: var TTraversalClosure, accessor: PRope, typ: PType) =
let arraySize = lengthOrd(typ.sons[0])
var i: TLoc
getTemp(p, getSysType(tyInt), i)
appf(p.s(cpsStmts), "for ($1 = 0; $1 < $2; $1++) {$n",
lineF(p, cpsStmts, "for ($1 = 0; $1 < $2; $1++) {$n",
i.r, arraySize.toRope)
genTraverseProc(c, ropef("$1[$2]", accessor, i.r), typ.sons[1])
appf(p.s(cpsStmts), "}$n")
lineF(p, cpsStmts, "}$n")
of tyObject:
for i in countup(0, sonsLen(typ) - 1):
genTraverseProc(c, accessor.parentObj, typ.sons[i])
@@ -79,7 +79,7 @@ proc genTraverseProc(c: var TTraversalClosure, accessor: PRope, typ: PType) =
for i in countup(0, sonsLen(typ) - 1):
genTraverseProc(c, ropef("$1.Field$2", accessor, i.toRope), typ.sons[i])
of tyRef, tyString, tySequence:
appcg(p, cpsStmts, c.visitorFrmt, accessor)
lineCg(p, cpsStmts, c.visitorFrmt, accessor)
else:
# no marker procs for closures yet
nil
@@ -89,10 +89,10 @@ proc genTraverseProcSeq(c: var TTraversalClosure, accessor: PRope, typ: PType) =
assert typ.kind == tySequence
var i: TLoc
getTemp(p, getSysType(tyInt), i)
appf(p.s(cpsStmts), "for ($1 = 0; $1 < $2->$3; $1++) {$n",
lineF(p, cpsStmts, "for ($1 = 0; $1 < $2->$3; $1++) {$n",
i.r, accessor, toRope(if gCmd != cmdCompileToCpp: "Sup.len" else: "len"))
genTraverseProc(c, ropef("$1->data[$2]", accessor, i.r), typ.sons[0])
appf(p.s(cpsStmts), "}$n")
lineF(p, cpsStmts, "}$n")
proc genTraverseProc(m: BModule, typ: PType, reason: TTypeInfoReason): PRope =
var c: TTraversalClosure
@@ -106,8 +106,8 @@ proc genTraverseProc(m: BModule, typ: PType, reason: TTypeInfoReason): PRope =
let header = ropef("N_NIMCALL(void, $1)(void* p, NI op)", result)
let t = getTypeDesc(m, typ)
p.s(cpsLocals).appf("$1 a;$n", t)
p.s(cpsInit).appf("a = ($1)p;$n", t)
lineF(p, cpsLocals, "$1 a;$n", t)
lineF(p, cpsInit, "a = ($1)p;$n", t)
c.p = p
if typ.kind == tySequence:

111
compiler/cgen.nim
View File

@@ -153,6 +153,34 @@ proc appcg(p: BProc, s: TCProcSection, frmt: TFormatStr,
args: openarray[PRope]) =
app(p.s(s), ropecg(p.module, frmt, args))
var indent = "\t".toRope
proc indentLine(p: BProc, r: PRope): PRope =
result = r
for i in countup(0, p.blocks.len-1): prepend(result, indent)
proc line(p: BProc, s: TCProcSection, r: PRope) =
app(p.s(s), indentLine(p, r))
proc line(p: BProc, s: TCProcSection, r: string) =
app(p.s(s), indentLine(p, r.toRope))
proc lineF(p: BProc, s: TCProcSection, frmt: TFormatStr,
args: openarray[PRope]) =
app(p.s(s), indentLine(p, ropef(frmt, args)))
proc lineCg(p: BProc, s: TCProcSection, frmt: TFormatStr,
args: openarray[PRope]) =
app(p.s(s), indentLine(p, ropecg(p.module, frmt, args)))
proc appLineCg(p: BProc, r: var PRope, frmt: TFormatStr,
args: openarray[PRope]) =
app(r, indentLine(p, ropecg(p.module, frmt, args)))
proc lineFF(p: BProc, s: TCProcSection, cformat, llvmformat: string,
args: openarray[PRope]) =
if gCmd == cmdCompileToLLVM: lineF(p, s, llvmformat, args)
else: lineF(p, s, cformat, args)
proc safeLineNm(info: TLineInfo): int =
result = toLinenumber(info)
if result < 0: result = 0 # negative numbers are not allowed in #line
@@ -171,11 +199,11 @@ proc genLineDir(p: BProc, t: PNode) =
genCLineDir(p.s(cpsStmts), t.info.toFullPath, line)
if ({optStackTrace, optEndb} * p.Options == {optStackTrace, optEndb}) and
(p.prc == nil or sfPure notin p.prc.flags):
appcg(p, cpsStmts, "#endb($1);$n", [toRope(line)])
lineCg(p, cpsStmts, "#endb($1);$n", [toRope(line)])
elif ({optLineTrace, optStackTrace} * p.Options ==
{optLineTrace, optStackTrace}) and
(p.prc == nil or sfPure notin p.prc.flags):
appf(p.s(cpsStmts), "F.line = $1;F.filename = $2;$n",
lineF(p, cpsStmts, "F.line = $1;F.filename = $2;$n",
[toRope(line), makeCString(toFilename(t.info).extractFilename)])
include "ccgtypes.nim"
@@ -211,11 +239,11 @@ proc genObjectInit(p: BProc, section: TCProcSection, t: PType, a: TLoc,
while (s.kind == tyObject) and (s.sons[0] != nil):
app(r, ".Sup")
s = skipTypes(s.sons[0], abstractInst)
appcg(p, section, "$1.m_type = $2;$n", [r, genTypeInfo(p.module, t)])
lineCg(p, section, "$1.m_type = $2;$n", [r, genTypeInfo(p.module, t)])
of frEmbedded:
# worst case for performance:
var r = if takeAddr: addrLoc(a) else: rdLoc(a)
appcg(p, section, "#objectInit($1, $2);$n", [r, genTypeInfo(p.module, t)])
lineCg(p, section, "#objectInit($1, $2);$n", [r, genTypeInfo(p.module, t)])
type
TAssignmentFlag = enum
@@ -238,16 +266,16 @@ proc resetLoc(p: BProc, loc: var TLoc) =
nilLoc.r = toRope("NIM_NIL")
genRefAssign(p, loc, nilLoc, {afSrcIsNil})
else:
appf(p.s(cpsStmts), "$1 = 0;$n", [rdLoc(loc)])
lineF(p, cpsStmts, "$1 = 0;$n", [rdLoc(loc)])
else:
if loc.s != OnStack:
appcg(p, cpsStmts, "#genericReset((void*)$1, $2);$n",
lineCg(p, cpsStmts, "#genericReset((void*)$1, $2);$n",
[addrLoc(loc), genTypeInfo(p.module, loc.t)])
# XXX: generated reset procs should not touch the m_type
# field, so disabling this should be safe:
genObjectInit(p, cpsStmts, loc.t, loc, true)
else:
appf(p.s(cpsStmts), "memset((void*)$1, 0, sizeof($2));$n",
lineF(p, cpsStmts, "memset((void*)$1, 0, sizeof($2));$n",
[addrLoc(loc), rdLoc(loc)])
# XXX: We can be extra clever here and call memset only
# on the bytes following the m_type field?
@@ -255,9 +283,9 @@ proc resetLoc(p: BProc, loc: var TLoc) =
proc constructLoc(p: BProc, loc: TLoc, section = cpsStmts) =
if not isComplexValueType(skipTypes(loc.t, abstractVarRange)):
appf(p.s(section), "$1 = 0;$n", [rdLoc(loc)])
lineF(p, section, "$1 = 0;$n", [rdLoc(loc)])
else:
appf(p.s(section), "memset((void*)$1, 0, sizeof($2));$n",
lineF(p, section, "memset((void*)$1, 0, sizeof($2));$n",
[addrLoc(loc), rdLoc(loc)])
genObjectInit(p, section, loc.t, loc, true)
@@ -285,7 +313,7 @@ proc getTemp(p: BProc, t: PType, result: var TLoc) =
result.r = con("%LOC", toRope(p.labels))
else:
result.r = con("LOC", toRope(p.labels))
appf(p.s(cpsLocals), "$1 $2;$n", [getTypeDesc(p.module, t), result.r])
lineF(p, cpsLocals, "$1 $2;$n", [getTypeDesc(p.module, t), result.r])
result.k = locTemp
result.a = - 1
result.t = getUniqueType(t)
@@ -311,9 +339,9 @@ proc keepAlive(p: BProc, toKeepAlive: TLoc) =
result.flags = {}
if not isComplexValueType(skipTypes(toKeepAlive.t, abstractVarRange)):
appf(p.s[cpsStmts], "$1 = $2;$n", [rdLoc(result), rdLoc(toKeepAlive)])
lineF(p, cpsStmts, "$1 = $2;$n", [rdLoc(result), rdLoc(toKeepAlive)])
else:
appcg(p, cpsStmts,
lineCg(p, cpsStmts,
"memcpy((void*)$1, (NIM_CONST void*)$2, sizeof($3));$n",
[addrLoc(result), addrLoc(toKeepAlive), rdLoc(result)])
@@ -355,7 +383,7 @@ proc allocParam(p: BProc, s: PSym) =
var tmp = con("%LOC", toRope(p.labels))
incl(s.loc.flags, lfParamCopy)
incl(s.loc.flags, lfIndirect)
appf(p.s(cpsInit), "$1 = alloca $3$n" & "store $3 $2, $3* $1$n",
lineF(p, cpsInit, "$1 = alloca $3$n" & "store $3 $2, $3* $1$n",
[tmp, s.loc.r, getTypeDesc(p.module, s.loc.t)])
s.loc.r = tmp
@@ -365,7 +393,7 @@ proc localDebugInfo(p: BProc, s: PSym) =
if skipTypes(s.typ, abstractVar).kind == tyOpenArray: return
var a = con("&", s.loc.r)
if (s.kind == skParam) and ccgIntroducedPtr(s): a = s.loc.r
appf(p.s(cpsInit),
lineF(p, cpsInit,
"F.s[$1].address = (void*)$3; F.s[$1].typ = $4; F.s[$1].name = $2;$n",
[toRope(p.frameLen), makeCString(normalize(s.name.s)), a,
genTypeInfo(p.module, s.loc.t)])
@@ -378,13 +406,14 @@ proc assignLocalVar(p: BProc, s: PSym) =
if s.loc.k == locNone:
fillLoc(s.loc, locLocalVar, s.typ, mangleName(s), OnStack)
if s.kind == skLet: incl(s.loc.flags, lfNoDeepCopy)
app(p.s(cpsLocals), getTypeDesc(p.module, s.loc.t))
if sfRegister in s.flags: app(p.s(cpsLocals), " register")
var decl = getTypeDesc(p.module, s.loc.t)
if sfRegister in s.flags: app(decl, " register")
#elif skipTypes(s.typ, abstractInst).kind in GcTypeKinds:
# app(p.s[cpsLocals], " GC_GUARD")
# app(decl, " GC_GUARD")
if (sfVolatile in s.flags) or (p.nestedTryStmts.len > 0):
app(p.s(cpsLocals), " volatile")
appf(p.s(cpsLocals), " $1;$n", [s.loc.r])
app(decl, " volatile")
appf(decl, " $1;$n", [s.loc.r])
line(p, cpsLocals, decl)
localDebugInfo(p, s)
include ccgthreadvars
@@ -427,7 +456,7 @@ proc getLabel(p: BProc): TLabel =
result = con("LA", toRope(p.labels))
proc fixLabel(p: BProc, labl: TLabel) =
appf(p.s(cpsStmts), "$1: ;$n", [labl])
lineF(p, cpsStmts, "$1: ;$n", [labl])
proc genVarPrototype(m: BModule, sym: PSym)
proc requestConstImpl(p: BProc, sym: PSym)
@@ -545,28 +574,28 @@ proc getFrameDecl(p: BProc) =
[toRope(p.frameLen)])
else:
slots = nil
appff(p.s(cpsLocals), "volatile struct {TFrame* prev;" &
"NCSTRING procname;NI line;NCSTRING filename;" &
"NI len;$n$1} F;$n",
lineFF(p, cpsLocals, "volatile struct {TFrame* prev;" &
"NCSTRING procname;NI line;NCSTRING filename;" &
"NI len;$1} F;$n",
"%TF = type {%TFrame*, i8*, %NI, %NI$1}$n" &
"%F = alloca %TF$n", [slots])
inc(p.labels)
prepend(p.s(cpsInit), ropeff("F.len = $1;$n",
prepend(p.s(cpsInit), indentLine(p, ropeff("F.len = $1;$n",
"%LOC$2 = getelementptr %TF %F, %NI 4$n" &
"store %NI $1, %NI* %LOC$2$n", [toRope(p.frameLen), toRope(p.labels)]))
"store %NI $1, %NI* %LOC$2$n", [toRope(p.frameLen), toRope(p.labels)])))
proc retIsNotVoid(s: PSym): bool =
result = (s.typ.sons[0] != nil) and not isInvalidReturnType(s.typ.sons[0])
proc initFrame(p: BProc, procname, filename: PRope): PRope =
result = ropecg(p.module,
"F.procname = $1;$n" &
"F.filename = $2;$n" &
"F.line = 0;$n" &
"#pushFrame((TFrame*)&F);$n", [procname, filename])
"\tF.procname = $1;$n" &
"\tF.filename = $2;$n" &
"\tF.line = 0;$n" &
"\t#pushFrame((TFrame*)&F);$n", [procname, filename])
proc deinitFrame(p: BProc): PRope =
result = ropecg(p.module, "#popFrame();$n")
result = ropecg(p.module, "\t#popFrame();$n")
proc closureSetup(p: BProc, prc: PSym) =
if prc.typ.callConv != ccClosure: return
@@ -575,8 +604,8 @@ proc closureSetup(p: BProc, prc: PSym) =
#echo "created environment: ", env.id, " for ", prc.name.s
assignLocalVar(p, env)
# generate cast assignment:
appcg(p, cpsStmts, "$1 = ($2) ClEnv;$n", rdLoc(env.loc),
getTypeDesc(p.module, env.typ))
lineCg(p, cpsStmts, "$1 = ($2) ClEnv;$n", rdLoc(env.loc),
getTypeDesc(p.module, env.typ))
proc genProcAux(m: BModule, prc: PSym) =
var p = newProc(prc, m)
@@ -590,7 +619,7 @@ proc genProcAux(m: BModule, prc: PSym) =
# declare the result symbol:
assignLocalVar(p, res)
assert(res.loc.r != nil)
returnStmt = ropeff("return $1;$n", "ret $1$n", [rdLoc(res.loc)])
returnStmt = ropeff("\treturn $1;$n", "ret $1$n", [rdLoc(res.loc)])
initLocalVar(p, res, immediateAsgn=false)
else:
fillResult(res)
@@ -606,10 +635,10 @@ proc genProcAux(m: BModule, prc: PSym) =
genStmts(p, prc.getBody) # modifies p.locals, p.init, etc.
var generatedProc: PRope
if sfPure in prc.flags:
generatedProc = ropeff("$1 {$n$2$3$4}$n", "define $1 {$n$2$3$4}$n",
generatedProc = ropeff("$N$1 {$n$2$3$4}$N$N", "define $1 {$n$2$3$4}$N",
[header, p.s(cpsLocals), p.s(cpsInit), p.s(cpsStmts)])
else:
generatedProc = ropeff("$1 {$n", "define $1 {$n", [header])
generatedProc = ropeff("$N$1 {$N", "$Ndefine $1 {$N", [header])
app(generatedProc, initGCFrame(p))
if optStackTrace in prc.options:
getFrameDecl(p)
@@ -623,25 +652,25 @@ proc genProcAux(m: BModule, prc: PSym) =
if gProcProfile >= 64 * 1024:
InternalError(prc.info, "too many procedures for profiling")
discard cgsym(m, "profileData")
appf(p.s(cpsLocals), "ticks NIM_profilingStart;$n")
appf(p.s(cpsLocals), "\tticks NIM_profilingStart;$n")
if prc.loc.a < 0:
appf(m.s[cfsDebugInit], "profileData[$1].procname = $2;$n", [
appf(m.s[cfsDebugInit], "\tprofileData[$1].procname = $2;$n", [
toRope(gProcProfile),
makeCString(prc.name.s)])
prc.loc.a = gProcProfile
inc(gProcProfile)
prepend(p.s(cpsInit), ropef("NIM_profilingStart = getticks();$n"))
prepend(p.s(cpsInit), ropef("\tNIM_profilingStart = getticks();$n"))
app(generatedProc, p.s(cpsInit))
app(generatedProc, p.s(cpsStmts))
if p.beforeRetNeeded: appf(generatedProc, "BeforeRet: $n;")
if p.beforeRetNeeded: appf(generatedProc, "\tBeforeRet: ;$n")
app(generatedProc, deinitGCFrame(p))
if optStackTrace in prc.options: app(generatedProc, deinitFrame(p))
if (optProfiler in prc.options) and (gCmd != cmdCompileToLLVM):
appf(generatedProc,
"profileData[$1].total += elapsed(getticks(), NIM_profilingStart);$n",
"\tprofileData[$1].total += elapsed(getticks(), NIM_profilingStart);$n",
[toRope(prc.loc.a)])
app(generatedProc, returnStmt)
appf(generatedProc, "}$n")
appf(generatedProc, "}$N")
app(m.s[cfsProcs], generatedProc)
proc genProcPrototype(m: BModule, sym: PSym) =