variable dynamic lib names

This commit is contained in:
Andreas Rumpf 2009-12-15 01:50:26 +01:00
commit 7063670a2c
14 changed files with 504 additions and 766 deletions

View file

@ -118,11 +118,9 @@ proc newAsgnStmt(c: PTransf, le, ri: PNode): PNode =
addSon(result, ri)
proc transformSym(c: PTransf, n: PNode): PNode =
var
tc: PTransCon
b: PNode
var b: PNode
if (n.kind != nkSym): internalError(n.info, "transformSym")
tc = c.transCon
var tc = c.transCon
if sfBorrow in n.sym.flags:
# simply exchange the symbol:
b = n.sym.ast.sons[codePos]
@ -162,19 +160,15 @@ proc transformContinueAux(c: PTransf, n: PNode, labl: PSym, counter: var int) =
proc transformContinue(c: PTransf, n: PNode): PNode =
# we transform the continue statement into a block statement
var
counter: int
x: PNode
labl: PSym
result = n
for i in countup(0, sonsLen(n) - 1): result.sons[i] = transform(c, n.sons[i])
counter = 0
labl = newSym(skLabel, nil, getCurrOwner(c))
var counter = 0
var labl = newSym(skLabel, nil, getCurrOwner(c))
labl.name = getIdent(genPrefix & $(labl.id))
labl.info = result.info
transformContinueAux(c, result, labl, counter)
if counter > 0:
x = newNodeI(nkBlockStmt, result.info)
var x = newNodeI(nkBlockStmt, result.info)
addSon(x, newSymNode(labl))
addSon(x, result)
result = x
@ -189,10 +183,9 @@ proc skipConv(n: PNode): PNode =
else: result = n
proc newTupleAccess(tup: PNode, i: int): PNode =
var lit: PNode
result = newNodeIT(nkBracketExpr, tup.info, tup.typ.sons[i])
addSon(result, copyTree(tup))
lit = newNodeIT(nkIntLit, tup.info, getSysType(tyInt))
var lit = newNodeIT(nkIntLit, tup.info, getSysType(tyInt))
lit.intVal = i
addSon(result, lit)
@ -203,9 +196,8 @@ proc unpackTuple(c: PTransf, n, father: PNode) =
transform(c, newTupleAccess(n, i))))
proc transformYield(c: PTransf, n: PNode): PNode =
var e: PNode
result = newNodeI(nkStmtList, n.info)
e = n.sons[0]
var e = n.sons[0]
if skipTypes(e.typ, {tyGenericInst}).kind == tyTuple:
e = skipConv(e)
if e.kind == nkPar:
@ -220,10 +212,6 @@ proc transformYield(c: PTransf, n: PNode): PNode =
addSon(result, transform(c, lastSon(c.transCon.forStmt)))
proc inlineIter(c: PTransf, n: PNode): PNode =
var
L: int
it: PNode
newVar: PSym
result = n
if n == nil: return
case n.kind
@ -234,13 +222,14 @@ proc inlineIter(c: PTransf, n: PNode): PNode =
of nkVarSection:
result = copyTree(n)
for i in countup(0, sonsLen(result) - 1):
it = result.sons[i]
var it = result.sons[i]
if it.kind == nkCommentStmt: continue
if it.kind == nkIdentDefs:
if (it.sons[0].kind != nkSym): InternalError(it.info, "inlineIter")
newVar = copySym(it.sons[0].sym)
incl(newVar.flags, sfFromGeneric) # fixes a strange bug for rodgen:
#include(it.sons[0].sym.flags, sfFromGeneric);
var newVar = copySym(it.sons[0].sym)
incl(newVar.flags, sfFromGeneric)
# fixes a strange bug for rodgen:
#include(it.sons[0].sym.flags, sfFromGeneric);
newVar.owner = getCurrOwner(c)
IdNodeTablePut(c.transCon.mapping, it.sons[0].sym, newSymNode(newVar))
it.sons[0] = newSymNode(newVar)
@ -248,9 +237,9 @@ proc inlineIter(c: PTransf, n: PNode): PNode =
else:
if it.kind != nkVarTuple:
InternalError(it.info, "inlineIter: not nkVarTuple")
L = sonsLen(it)
var L = sonsLen(it)
for j in countup(0, L - 3):
newVar = copySym(it.sons[j].sym)
var newVar = copySym(it.sons[j].sym)
incl(newVar.flags, sfFromGeneric)
newVar.owner = getCurrOwner(c)
IdNodeTablePut(c.transCon.mapping, it.sons[j].sym, newSymNode(newVar))
@ -263,25 +252,23 @@ proc inlineIter(c: PTransf, n: PNode): PNode =
result = transform(c, result)
proc addVar(father, v: PNode) =
var vpart: PNode
vpart = newNodeI(nkIdentDefs, v.info)
var vpart = newNodeI(nkIdentDefs, v.info)
addSon(vpart, v)
addSon(vpart, nil)
addSon(vpart, nil)
addSon(father, vpart)
proc transformAddrDeref(c: PTransf, n: PNode, a, b: TNodeKind): PNode =
var m: PNode
case n.sons[0].kind
of nkObjUpConv, nkObjDownConv, nkPassAsOpenArray, nkChckRange, nkChckRangeF,
nkChckRange64:
m = n.sons[0].sons[0]
var m = n.sons[0].sons[0]
if (m.kind == a) or (m.kind == b):
# addr ( nkPassAsOpenArray ( deref ( x ) ) ) --> nkPassAsOpenArray(x)
n.sons[0].sons[0] = m.sons[0]
return transform(c, n.sons[0])
of nkHiddenStdConv, nkHiddenSubConv, nkConv:
m = n.sons[0].sons[1]
var m = n.sons[0].sons[1]
if (m.kind == a) or (m.kind == b):
# addr ( nkConv ( deref ( x ) ) ) --> nkConv(x)
n.sons[0].sons[1] = m.sons[0]
@ -294,13 +281,10 @@ proc transformAddrDeref(c: PTransf, n: PNode, a, b: TNodeKind): PNode =
result = n
proc transformConv(c: PTransf, n: PNode): PNode =
var
source, dest: PType
diff: int
n.sons[1] = transform(c, n.sons[1])
result = n # numeric types need range checks:
dest = skipTypes(n.typ, abstractVarRange)
source = skipTypes(n.sons[1].typ, abstractVarRange)
var dest = skipTypes(n.typ, abstractVarRange)
var source = skipTypes(n.sons[1].typ, abstractVarRange)
case dest.kind
of tyInt..tyInt64, tyEnum, tyChar, tyBool:
if (firstOrd(dest) <= firstOrd(source)) and
@ -340,7 +324,7 @@ proc transformConv(c: PTransf, n: PNode): PNode =
dest = skipTypes(dest, abstractPtrs)
source = skipTypes(source, abstractPtrs)
if source.kind == tyObject:
diff = inheritanceDiff(dest, source)
var diff = inheritanceDiff(dest, source)
if diff < 0:
result = newNodeIT(nkObjUpConv, n.info, n.typ)
addSon(result, n.sons[1])
@ -350,7 +334,7 @@ proc transformConv(c: PTransf, n: PNode): PNode =
else:
result = n.sons[1]
of tyObject:
diff = inheritanceDiff(dest, source)
var diff = inheritanceDiff(dest, source)
if diff < 0:
result = newNodeIT(nkObjUpConv, n.info, n.typ)
addSon(result, n.sons[1])
@ -360,7 +344,7 @@ proc transformConv(c: PTransf, n: PNode): PNode =
else:
result = n.sons[1]
of tyGenericParam, tyOrdinal:
result = n.sons[1] # happens sometimes for generated assignments, etc.
result = n.sons[1] # happens sometimes for generated assignments, etc.
else:
nil
@ -393,45 +377,42 @@ proc putArgInto(arg: PNode, formal: PType): TPutArgInto =
proc transformFor(c: PTransf, n: PNode): PNode =
# generate access statements for the parameters (unless they are constant)
# put mapping from formal parameters to actual parameters
var
length: int
call, v, body, arg: PNode
newC: PTransCon
temp, formal: PSym
if (n.kind != nkForStmt): InternalError(n.info, "transformFor")
result = newNodeI(nkStmtList, n.info)
length = sonsLen(n)
var length = sonsLen(n)
n.sons[length - 1] = transformContinue(c, n.sons[length - 1])
v = newNodeI(nkVarSection, n.info)
var v = newNodeI(nkVarSection, n.info)
for i in countup(0, length - 3):
addVar(v, copyTree(n.sons[i])) # declare new vars
addSon(result, v)
newC = newTransCon()
call = n.sons[length - 2]
var newC = newTransCon()
var call = n.sons[length - 2]
if (call.kind != nkCall) or (call.sons[0].kind != nkSym):
InternalError(call.info, "transformFor")
newC.owner = call.sons[0].sym
newC.forStmt = n
if (newC.owner.kind != skIterator):
InternalError(call.info, "transformFor") # generate access statements for the parameters (unless they are constant)
InternalError(call.info, "transformFor")
# generate access statements for the parameters (unless they are constant)
pushTransCon(c, newC)
for i in countup(1, sonsLen(call) - 1):
arg = skipPassAsOpenArray(transform(c, call.sons[i]))
formal = skipTypes(newC.owner.typ, abstractInst).n.sons[i].sym #if IdentEq(newc.Owner.name, 'items') then
# liMessage(arg.info, warnUser, 'items: ' + nodeKindToStr[arg.kind]);
var arg = skipPassAsOpenArray(transform(c, call.sons[i]))
var formal = skipTypes(newC.owner.typ, abstractInst).n.sons[i].sym
#if IdentEq(newc.Owner.name, 'items') then
# liMessage(arg.info, warnUser, 'items: ' + nodeKindToStr[arg.kind]);
case putArgInto(arg, formal.typ)
of paDirectMapping:
IdNodeTablePut(newC.mapping, formal, arg)
of paFastAsgn:
# generate a temporary and produce an assignment statement:
temp = newTemp(c, formal.typ, formal.info)
var temp = newTemp(c, formal.typ, formal.info)
addVar(v, newSymNode(temp))
addSon(result, newAsgnStmt(c, newSymNode(temp), arg))
IdNodeTablePut(newC.mapping, formal, newSymNode(temp))
of paVarAsgn:
assert(skipTypes(formal.typ, abstractInst).kind == tyVar)
InternalError(arg.info, "not implemented: pass to var parameter")
body = newC.owner.ast.sons[codePos]
var body = newC.owner.ast.sons[codePos]
pushInfoContext(n.info)
addSon(result, inlineIter(c, body))
popInfoContext()
@ -447,14 +428,11 @@ proc getMagicOp(call: PNode): TMagic =
proc gatherVars(c: PTransf, n: PNode, marked: var TIntSet, owner: PSym,
container: PNode) =
# gather used vars for closure generation
var
s: PSym
found: bool
if n == nil: return
case n.kind
of nkSym:
s = n.sym
found = false
var s = n.sym
var found = false
case s.kind
of skVar: found = not (sfGlobal in s.flags)
of skTemp, skForVar, skParam: found = true
@ -476,10 +454,9 @@ proc addFormalParam(routine: PSym, param: PSym) =
proc indirectAccess(a, b: PSym): PNode =
# returns a^ .b as a node
var x, y, deref: PNode
x = newSymNode(a)
y = newSymNode(b)
deref = newNodeI(nkDerefExpr, x.info)
var x = newSymNode(a)
var y = newSymNode(b)
var deref = newNodeI(nkDerefExpr, x.info)
deref.typ = x.typ.sons[0]
addSon(deref, x)
result = newNodeI(nkDotExpr, x.info)
@ -488,29 +465,26 @@ proc indirectAccess(a, b: PSym): PNode =
result.typ = y.typ
proc transformLambda(c: PTransf, n: PNode): PNode =
var
marked: TIntSet
closure: PNode
s, param: PSym
cl, p: PType
newC: PTransCon
var marked: TIntSet
result = n
IntSetInit(marked)
if (n.sons[namePos].kind != nkSym): InternalError(n.info, "transformLambda")
s = n.sons[namePos].sym
closure = newNodeI(nkRecList, n.sons[codePos].info)
gatherVars(c, n.sons[codePos], marked, s, closure) # add closure type to the param list (even if closure is empty!):
cl = newType(tyObject, s)
var s = n.sons[namePos].sym
var closure = newNodeI(nkRecList, n.sons[codePos].info)
gatherVars(c, n.sons[codePos], marked, s, closure)
# add closure type to the param list (even if closure is empty!):
var cl = newType(tyObject, s)
cl.n = closure
addSon(cl, nil) # no super class
p = newType(tyRef, s)
var p = newType(tyRef, s)
addSon(p, cl)
param = newSym(skParam, getIdent(genPrefix & "Cl"), s)
var param = newSym(skParam, getIdent(genPrefix & "Cl"), s)
param.typ = p
addFormalParam(s, param) # all variables that are accessed should be accessed by the new closure
# parameter:
addFormalParam(s, param)
# all variables that are accessed should be accessed by the new closure
# parameter:
if sonsLen(closure) > 0:
newC = newTransCon()
var newC = newTransCon()
for i in countup(0, sonsLen(closure) - 1):
IdNodeTablePut(newC.mapping, closure.sons[i].sym,
indirectAccess(param, closure.sons[i].sym))
@ -521,18 +495,15 @@ proc transformLambda(c: PTransf, n: PNode): PNode =
proc transformCase(c: PTransf, n: PNode): PNode =
# removes `elif` branches of a case stmt
# adds ``else: nil`` if needed for the code generator
var
length, i: int
ifs, elsen: PNode
length = sonsLen(n)
i = length - 1
var length = sonsLen(n)
var i = length - 1
if n.sons[i].kind == nkElse: dec(i)
if n.sons[i].kind == nkElifBranch:
while n.sons[i].kind == nkElifBranch: dec(i)
if (n.sons[i].kind != nkOfBranch):
InternalError(n.sons[i].info, "transformCase")
ifs = newNodeI(nkIfStmt, n.sons[i + 1].info)
elsen = newNodeI(nkElse, ifs.info)
var ifs = newNodeI(nkIfStmt, n.sons[i + 1].info)
var elsen = newNodeI(nkElse, ifs.info)
for j in countup(i + 1, length - 1): addSon(ifs, n.sons[j])
setlen(n.sons, i + 2)
addSon(elsen, ifs)
@ -541,7 +512,7 @@ proc transformCase(c: PTransf, n: PNode): PNode =
not (skipTypes(n.sons[0].Typ, abstractVarRange).Kind in
{tyInt..tyInt64, tyChar, tyEnum}):
#MessageOut(renderTree(n));
elsen = newNodeI(nkElse, n.info)
var elsen = newNodeI(nkElse, n.info)
addSon(elsen, newNodeI(nkNilLit, n.info))
addSon(n, elsen)
result = n
@ -566,20 +537,15 @@ proc getMergeOp(n: PNode): PSym =
nil
proc flattenTreeAux(d, a: PNode, op: PSym) =
var op2: PSym
op2 = getMergeOp(a)
var op2 = getMergeOp(a)
if (op2 != nil) and
((op2.id == op.id) or (op.magic != mNone) and (op2.magic == op.magic)): # a is a
# "leaf", so
# add
# it:
((op2.id == op.id) or (op.magic != mNone) and (op2.magic == op.magic)):
for i in countup(1, sonsLen(a) - 1): flattenTreeAux(d, a.sons[i], op)
else:
addSon(d, copyTree(a))
proc flattenTree(root: PNode): PNode =
var op: PSym
op = getMergeOp(root)
var op = getMergeOp(root)
if op != nil:
result = copyNode(root)
addSon(result, copyTree(root.sons[0]))
@ -588,21 +554,17 @@ proc flattenTree(root: PNode): PNode =
result = root
proc transformCall(c: PTransf, n: PNode): PNode =
var
j: int
m, a: PNode
op: PSym
result = flattenTree(n)
for i in countup(0, sonsLen(result) - 1):
result.sons[i] = transform(c, result.sons[i])
op = getMergeOp(result)
var op = getMergeOp(result)
if (op != nil) and (op.magic != mNone) and (sonsLen(result) >= 3):
m = result
var m = result
result = newNodeIT(nkCall, m.info, m.typ)
addSon(result, copyTree(m.sons[0]))
j = 1
var j = 1
while j < sonsLen(m):
a = m.sons[j]
var a = m.sons[j]
inc(j)
if isConstExpr(a):
while (j < sonsLen(m)) and isConstExpr(m.sons[j]):
@ -616,11 +578,8 @@ proc transformCall(c: PTransf, n: PNode): PNode =
result = methodCall(result)
proc transform(c: PTransf, n: PNode): PNode =
var cnst: PNode
result = n
if n == nil:
return #if ToLinenumber(n.info) = 32 then
# MessageOut(RenderTree(n));
if n == nil: return
case n.kind
of nkSym:
return transformSym(c, n)
@ -657,16 +616,16 @@ proc transform(c: PTransf, n: PNode): PNode =
of nkCommentStmt, nkTemplateDef:
return
of nkConstSection:
return # do not replace ``const c = 3`` with ``const 3 = 3``
# do not replace ``const c = 3`` with ``const 3 = 3``
return
else:
for i in countup(0, sonsLen(n) - 1): result.sons[i] = transform(c, n.sons[i])
cnst = getConstExpr(c.module, result)
var cnst = getConstExpr(c.module, result)
if cnst != nil:
result = cnst # do not miss an optimization
proc processTransf(context: PPassContext, n: PNode): PNode =
var c: PTransf
c = PTransf(context)
var c = PTransf(context)
result = transform(c, n)
proc openTransf(module: PSym, filename: string): PPassContext =
@ -680,4 +639,4 @@ proc transfPass(): TPass =
result.open = openTransf
result.process = processTransf
result.close = processTransf # we need to process generics too!