Merge branch 'devel' of https://github.com/Araq/Nim into devel

Conflicts:
	compiler/semexprs.nim
This commit is contained in:
Araq 2015-01-07 02:44:22 +01:00
commit 65310266d8
46 changed files with 991 additions and 490 deletions

View file

@ -399,6 +399,7 @@ const
tyPureObject* = tyTuple
GcTypeKinds* = {tyRef, tySequence, tyString}
tyError* = tyProxy # as an errornous node should match everything
tyUnknown* = tyFromExpr
tyUnknownTypes* = {tyError, tyFromExpr}
@ -1340,6 +1341,10 @@ proc skipTypes*(t: PType, kinds: TTypeKinds): PType =
result = t
while result.kind in kinds: result = lastSon(result)
proc safeSkipTypes*(t: PType, kinds: TTypeKinds): PType =
result = if t != nil: t.skipTypes(kinds)
else: nil
proc isGCedMem*(t: PType): bool {.inline.} =
result = t.kind in {tyString, tyRef, tySequence} or
t.kind == tyProc and t.callConv == ccClosure

View file

@ -23,6 +23,7 @@ type
id: int # for generating IDs
toc, section: TSections
indexValFilename: string
analytics: string # Google Analytics javascript, "" if doesn't exist
seenSymbols: StringTableRef # avoids duplicate symbol generation for HTML.
PDoc* = ref TDocumentor ## Alias to type less.
@ -61,6 +62,23 @@ proc newDocumentor*(filename: string, config: StringTableRef): PDoc =
initRstGenerator(result[], (if gCmd != cmdRst2tex: outHtml else: outLatex),
options.gConfigVars, filename, {roSupportRawDirective},
docgenFindFile, compilerMsgHandler)
if config.hasKey("doc.googleAnalytics"):
result.analytics = """
<script>
(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
})(window,document,'script','//www.google-analytics.com/analytics.js','ga');
ga('create', '$1', 'auto');
ga('send', 'pageview');
</script>
""" % [config["doc.googleAnalytics"]]
else:
result.analytics = ""
result.seenSymbols = newStringTable(modeCaseInsensitive)
result.id = 100
@ -562,10 +580,10 @@ proc genOutFile(d: PDoc): PRope =
# XXX what is this hack doing here? 'optCompileOnly' means raw output!?
code = ropeFormatNamedVars(getConfigVar("doc.file"), ["title",
"tableofcontents", "moduledesc", "date", "time",
"content", "author", "version"],
"content", "author", "version", "analytics"],
[title.toRope, toc, d.modDesc, toRope(getDateStr()),
toRope(getClockStr()), content, d.meta[metaAuthor].toRope,
d.meta[metaVersion].toRope])
d.meta[metaVersion].toRope, d.analytics.toRope])
else:
code = content
result = code
@ -630,7 +648,8 @@ proc commandBuildIndex*() =
let code = ropeFormatNamedVars(getConfigVar("doc.file"), ["title",
"tableofcontents", "moduledesc", "date", "time",
"content", "author", "version"],
"content", "author", "version", "analytics"],
["Index".toRope, nil, nil, toRope(getDateStr()),
toRope(getClockStr()), content, nil, nil])
toRope(getClockStr()), content, nil, nil, nil])
# no analytics because context is not available
writeRope(code, getOutFile("theindex", HtmlExt))

View file

@ -25,16 +25,22 @@ proc copyNode(ctx: TemplCtx, a, b: PNode): PNode =
if ctx.instLines: result.info = b.info
proc evalTemplateAux(templ, actual: PNode, c: var TemplCtx, result: PNode) =
template handleParam(param) =
let x = param
if x.kind == nkArgList:
for y in items(x): result.add(y)
else:
result.add copyTree(x)
case templ.kind
of nkSym:
var s = templ.sym
if s.owner.id == c.owner.id:
if s.kind == skParam:
let x = actual.sons[s.position]
if x.kind == nkArgList:
for y in items(x): result.add(y)
else:
result.add copyTree(x)
case s.kind
of skParam:
handleParam actual.sons[s.position]
of skGenericParam:
handleParam actual.sons[s.owner.typ.len + s.position - 1]
else:
internalAssert sfGenSym in s.flags
var x = PSym(idTableGet(c.mapping, s))
@ -56,21 +62,31 @@ proc evalTemplateAux(templ, actual: PNode, c: var TemplCtx, result: PNode) =
proc evalTemplateArgs(n: PNode, s: PSym): PNode =
# if the template has zero arguments, it can be called without ``()``
# `n` is then a nkSym or something similar
var a: int
case n.kind
of nkCall, nkInfix, nkPrefix, nkPostfix, nkCommand, nkCallStrLit:
a = sonsLen(n)
else: a = 0
var f = s.typ.sonsLen
if a > f: globalError(n.info, errWrongNumberOfArguments)
var totalParams = case n.kind
of nkCall, nkInfix, nkPrefix, nkPostfix, nkCommand, nkCallStrLit: <n.len
else: 0
var
genericParams = s.ast[genericParamsPos].len
expectedRegularParams = <s.typ.len
givenRegularParams = totalParams - genericParams
if totalParams > expectedRegularParams + genericParams:
globalError(n.info, errWrongNumberOfArguments)
result = newNodeI(nkArgList, n.info)
for i in countup(1, f - 1):
var arg = if i < a: n.sons[i] else: copyTree(s.typ.n.sons[i].sym.ast)
if arg == nil or arg.kind == nkEmpty:
localError(n.info, errWrongNumberOfArguments)
addSon(result, arg)
for i in 1 .. givenRegularParams:
result.addSon n.sons[i]
for i in givenRegularParams+1 .. expectedRegularParams:
let default = s.typ.n.sons[i].sym.ast
if default.kind == nkEmpty:
localError(n.info, errWrongNumberOfArguments)
result.addSon default.copyTree
for i in 1 .. genericParams:
result.addSon n.sons[givenRegularParams + i]
var evalTemplateCounter* = 0
# to prevent endless recursion in templates instantiation

View file

@ -277,16 +277,27 @@ proc semResolvedCall(c: PContext, n: PNode, x: TCandidate): PNode =
styleCheckUse(n.sons[0].info, finalCallee)
if finalCallee.ast == nil:
internalError(n.info, "calleeSym.ast is nil") # XXX: remove this check!
if finalCallee.ast.sons[genericParamsPos].kind != nkEmpty:
# a generic proc!
if not x.proxyMatch:
if x.hasFauxMatch:
result = x.call
result.sons[0] = newSymNode(finalCallee, result.sons[0].info)
if containsGenericType(result.typ) or x.fauxMatch == tyUnknown:
result.typ = newTypeS(x.fauxMatch, c)
return
let gp = finalCallee.ast.sons[genericParamsPos]
if gp.kind != nkEmpty:
if x.calleeSym.kind notin {skMacro, skTemplate}:
finalCallee = generateInstance(c, x.calleeSym, x.bindings, n.info)
else:
result = x.call
result.sons[0] = newSymNode(finalCallee, result.sons[0].info)
result.typ = finalCallee.typ.sons[0]
if containsGenericType(result.typ): result.typ = errorType(c)
return
# For macros and templates, the resolved generic params
# are added as normal params.
for s in instantiateGenericParamList(c, gp, x.bindings):
case s.kind
of skConst:
x.call.add s.ast
of skType:
x.call.add newSymNode(s, n.info)
else:
internalAssert false
result = x.call
instGenericConvertersSons(c, result, x)
result.sons[0] = newSymNode(finalCallee, result.sons[0].info)

View file

@ -268,7 +268,7 @@ proc makeRangeWithStaticExpr*(c: PContext, n: PNode): PType =
template rangeHasStaticIf*(t: PType): bool =
# this accepts the ranges's node
t.n[1].kind == nkStaticExpr
t.n != nil and t.n.len > 1 and t.n[1].kind == nkStaticExpr
template getStaticTypeFromRange*(t: PType): PType =
t.n[1][0][1].typ

View file

@ -229,7 +229,7 @@ proc semConv(c: PContext, n: PNode): PNode =
return n
result = newNodeI(nkConv, n.info)
var targetType = semTypeNode(c, n.sons[0], nil)
var targetType = semTypeNode(c, n.sons[0], nil).skipTypes({tyTypeDesc})
maybeLiftType(targetType, c, n[0].info)
result.addSon copyTree(n.sons[0])
var op = semExprWithType(c, n.sons[1])
@ -780,7 +780,6 @@ proc semIndirectOp(c: PContext, n: PNode, flags: TExprFlags): PNode =
if tfNoSideEffect notin t.flags: incl(c.p.owner.flags, sfSideEffect)
elif t != nil and t.kind == tyTypeDesc:
if n.len == 1: return semObjConstr(c, n, flags)
let destType = t.skipTypes({tyTypeDesc, tyGenericInst})
return semConv(c, n)
else:
result = overloadedCallOpr(c, n)
@ -926,8 +925,8 @@ const
proc readTypeParameter(c: PContext, typ: PType,
paramName: PIdent, info: TLineInfo): PNode =
let ty = if typ.kind == tyGenericInst: typ.skipGenericAlias
else: (internalAssert(typ.kind == tyCompositeTypeClass); typ.sons[1])
#debug ty
else: (internalAssert(typ.kind == tyCompositeTypeClass);
typ.sons[1].skipGenericAlias)
let tbody = ty.sons[0]
for s in countup(0, tbody.len-2):
let tParam = tbody.sons[s]

View file

@ -10,14 +10,10 @@
# This module implements the instantiation of generic procs.
# included from sem.nim
proc instantiateGenericParamList(c: PContext, n: PNode, pt: TIdTable,
entry: var TInstantiation) =
if n.kind != nkGenericParams:
internalError(n.info, "instantiateGenericParamList; no generic params")
newSeq(entry.concreteTypes, n.len)
iterator instantiateGenericParamList(c: PContext, n: PNode, pt: TIdTable): PSym =
internalAssert n.kind == nkGenericParams
for i, a in n.pairs:
if a.kind != nkSym:
internalError(a.info, "instantiateGenericParamList; no symbol")
internalAssert a.kind == nkSym
var q = a.sym
if q.typ.kind notin {tyTypeDesc, tyGenericParam, tyStatic, tyIter}+tyTypeClasses:
continue
@ -42,8 +38,7 @@ proc instantiateGenericParamList(c: PContext, n: PNode, pt: TIdTable,
#t = ReplaceTypeVarsT(cl, t)
s.typ = t
if t.kind == tyStatic: s.ast = t.n
addDecl(c, s)
entry.concreteTypes[i] = t
yield s
proc sameInstantiation(a, b: TInstantiation): bool =
if a.concreteTypes.len == b.concreteTypes.len:
@ -196,7 +191,7 @@ proc generateInstance(c: PContext, fn: PSym, pt: TIdTable,
## The `pt` parameter is a type-unsafe mapping table used to link generic
## parameters to their concrete types within the generic instance.
# no need to instantiate generic templates/macros:
if fn.kind in {skTemplate, skMacro}: return fn
internalAssert fn.kind notin {skMacro, skTemplate}
# generates an instantiated proc
if c.instCounter > 1000: internalError(fn.ast.info, "nesting too deep")
inc(c.instCounter)
@ -213,12 +208,18 @@ proc generateInstance(c: PContext, fn: PSym, pt: TIdTable,
result.ast = n
pushOwner(result)
openScope(c)
internalAssert n.sons[genericParamsPos].kind != nkEmpty
let gp = n.sons[genericParamsPos]
internalAssert gp.kind != nkEmpty
n.sons[namePos] = newSymNode(result)
pushInfoContext(info)
var entry = TInstantiation.new
entry.sym = result
instantiateGenericParamList(c, n.sons[genericParamsPos], pt, entry[])
newSeq(entry.concreteTypes, gp.len)
var i = 0
for s in instantiateGenericParamList(c, gp, pt):
addDecl(c, s)
entry.concreteTypes[i] = s.typ
inc i
pushProcCon(c, result)
instantiateProcType(c, pt, result, info)
n.sons[genericParamsPos] = ast.emptyNode

View file

@ -1262,10 +1262,14 @@ proc semStmtList(c: PContext, n: PNode, flags: TExprFlags): PNode =
return
else:
n.sons[i] = semExpr(c, n.sons[i])
if c.inTypeClass > 0 and n[i].typ != nil and n[i].typ.kind == tyBool:
let verdict = semConstExpr(c, n[i])
if verdict.intVal == 0:
localError(result.info, "type class predicate failed")
if c.inTypeClass > 0 and n[i].typ != nil:
case n[i].typ.kind
of tyBool:
let verdict = semConstExpr(c, n[i])
if verdict.intVal == 0:
localError(result.info, "type class predicate failed")
of tyUnknown: continue
else: discard
if n.sons[i].typ == enforceVoidContext or usesResult(n.sons[i]):
voidContext = true
n.typ = enforceVoidContext

View file

@ -225,11 +225,10 @@ proc semArrayIndex(c: PContext, n: PNode): PType =
elif e.kind == nkSym and e.typ.kind == tyStatic:
if e.sym.ast != nil:
return semArrayIndex(c, e.sym.ast)
internalAssert c.inGenericContext > 0
if not isOrdinalType(e.typ.lastSon):
localError(n[1].info, errOrdinalTypeExpected)
result = makeRangeWithStaticExpr(c, e)
result.flags.incl tfUnresolved
if c.inGenericContext >0: result.flags.incl tfUnresolved
elif e.kind in nkCallKinds and hasGenericArguments(e):
if not isOrdinalType(e.typ):
localError(n[1].info, errOrdinalTypeExpected)
@ -782,10 +781,12 @@ proc liftParamType(c: PContext, procKind: TSymKind, genericParams: PNode,
of tyGenericBody:
result = newTypeS(tyGenericInvokation, c)
result.rawAddSon(paramType)
for i in 0 .. paramType.sonsLen - 2:
result.rawAddSon newTypeS(tyAnything, c)
# result.rawAddSon(copyType(paramType.sons[i], getCurrOwner(), true))
let dummyType = if paramType.sons[i].kind == tyStatic: tyUnknown
else: tyAnything
result.rawAddSon newTypeS(dummyType, c)
if paramType.lastSon.kind == tyUserTypeClass:
result.kind = tyUserTypeClassInst
result.rawAddSon paramType.lastSon

View file

@ -39,7 +39,9 @@ type
bindings*: TIdTable # maps types to types
baseTypeMatch: bool # needed for conversions from T to openarray[T]
# for example
proxyMatch*: bool # to prevent instantiations
fauxMatch*: TTypeKind # the match was successful only due to the use
# of error or wildcard (unknown) types.
# this is used to prevent instantiations.
genericConverter*: bool # true if a generic converter needs to
# be instantiated
coerceDistincts*: bool # this is an explicit coercion that can strip away
@ -66,6 +68,8 @@ const
proc markUsed*(info: TLineInfo, s: PSym)
template hasFauxMatch*(c: TCandidate): bool = c.fauxMatch != tyNone
proc initCandidateAux(ctx: PContext,
c: var TCandidate, callee: PType) {.inline.} =
c.c = ctx
@ -109,9 +113,12 @@ proc initCandidate*(ctx: PContext, c: var TCandidate, callee: PSym,
for i in 1..min(sonsLen(typeParams), sonsLen(binding)-1):
var formalTypeParam = typeParams.sons[i-1].typ
var bound = binding[i].typ
if bound != nil and formalTypeParam.kind != tyTypeDesc:
internalAssert bound != nil
if formalTypeParam.kind == tyTypeDesc:
if bound.kind != tyTypeDesc:
bound = makeTypeDesc(ctx, bound)
else:
bound = bound.skipTypes({tyTypeDesc})
assert bound != nil
put(c.bindings, formalTypeParam, bound)
proc newCandidate*(ctx: PContext, callee: PSym,
@ -462,9 +469,23 @@ proc matchUserTypeClass*(c: PContext, m: var TCandidate,
var
typeParamName = ff.base.sons[i-1].sym.name
typ = ff.sons[i]
param = newSym(skType, typeParamName, body.sym, body.sym.info)
param.typ = makeTypeDesc(c, typ)
param: PSym
template paramSym(kind): expr =
newSym(kind, typeParamName, body.sym, body.sym.info)
case typ.kind
of tyStatic:
param = paramSym skConst
param.typ = typ.base
param.ast = typ.n
of tyUnknown:
param = paramSym skVar
param.typ = typ
else:
param = paramSym skType
param.typ = makeTypeDesc(c, typ)
addDecl(c, param)
for param in body.n[0]:
@ -626,6 +647,7 @@ proc typeRel(c: var TCandidate, f, aOrig: PType, doBind = true): TTypeRelation =
elif skipTypes(a, {tyRange}).kind == f.kind: result = isSubtype
of tyRange:
if a.kind == f.kind:
if f.base.kind == tyNone: return isGeneric
result = typeRel(c, base(f), base(a))
# bugfix: accept integer conversions here
#if result < isGeneric: result = isNone
@ -672,22 +694,27 @@ proc typeRel(c: var TCandidate, f, aOrig: PType, doBind = true): TTypeRelation =
else:
fRange = prev
result = typeRel(c, f.sons[1], a.sons[1])
if result < isGeneric:
result = isNone
elif tfUnresolved in fRange.flags and
rangeHasStaticIf(fRange):
# This is a range from an array instantiated with a generic
# static param. We must extract the static param here and bind
# it to the size of the currently supplied array.
var
rangeStaticT = fRange.getStaticTypeFromRange
replacementT = newTypeWithSons(c.c, tyStatic, @[tyInt.getSysType])
inputUpperBound = a.sons[0].n[1].intVal
# we must correct for the off-by-one discrepancy between
# ranges and static params:
replacementT.n = newIntNode(nkIntLit, inputUpperBound + 1)
put(c.bindings, rangeStaticT, replacementT)
result = isGeneric
if result < isGeneric: return isNone
if rangeHasStaticIf(fRange):
if tfUnresolved in fRange.flags:
# This is a range from an array instantiated with a generic
# static param. We must extract the static param here and bind
# it to the size of the currently supplied array.
var
rangeStaticT = fRange.getStaticTypeFromRange
replacementT = newTypeWithSons(c.c, tyStatic, @[tyInt.getSysType])
inputUpperBound = a.sons[0].n[1].intVal
# we must correct for the off-by-one discrepancy between
# ranges and static params:
replacementT.n = newIntNode(nkIntLit, inputUpperBound + 1)
put(c.bindings, rangeStaticT, replacementT)
return isGeneric
let len = tryResolvingStaticExpr(c, fRange.n[1])
if len.kind == nkIntLit and len.intVal+1 == lengthOrd(a):
return # if we get this far, the result is already good
else:
return isNone
elif lengthOrd(fRange) != lengthOrd(a):
result = isNone
else: discard
@ -945,7 +972,7 @@ proc typeRel(c: var TCandidate, f, aOrig: PType, doBind = true): TTypeRelation =
else:
internalAssert a.sons != nil and a.sons.len > 0
c.typedescMatched = true
result = typeRel(c, f.base, a.base)
result = typeRel(c, f.base, a.skipTypes({tyGenericParam, tyTypeDesc}))
else:
result = isNone
else:
@ -977,15 +1004,19 @@ proc typeRel(c: var TCandidate, f, aOrig: PType, doBind = true): TTypeRelation =
result = typeRel(c, x, a) # check if it fits
of tyStatic:
if aOrig.kind == tyStatic:
result = typeRel(c, f.lastSon, a)
if result != isNone and f.n != nil:
if not exprStructuralEquivalent(f.n, a.n):
result = isNone
if result != isNone: put(c.bindings, f, aOrig)
let prev = PType(idTableGet(c.bindings, f))
if prev == nil:
if aOrig.kind == tyStatic:
result = typeRel(c, f.lastSon, a)
if result != isNone and f.n != nil:
if not exprStructuralEquivalent(f.n, aOrig.n):
result = isNone
if result != isNone: put(c.bindings, f, aOrig)
else:
result = isNone
else:
result = isNone
result = typeRel(c, prev, aOrig)
of tyTypeDesc:
var prev = PType(idTableGet(c.bindings, f))
if prev == nil:
@ -1024,6 +1055,7 @@ proc typeRel(c: var TCandidate, f, aOrig: PType, doBind = true): TTypeRelation =
of tyFromExpr:
# fix the expression, so it contains the already instantiated types
if f.n == nil: return isGeneric
let reevaluated = tryResolvingStaticExpr(c, f.n)
case reevaluated.typ.kind
of tyTypeDesc:
@ -1045,10 +1077,10 @@ proc cmpTypes*(c: PContext, f, a: PType): TTypeRelation =
initCandidate(c, m, f)
result = typeRel(m, f, a)
proc getInstantiatedType(c: PContext, arg: PNode, m: TCandidate,
f: PType): PType =
proc getInstantiatedType(c: PContext, arg: PNode, m: TCandidate,
f: PType): PType =
result = PType(idTableGet(m.bindings, f))
if result == nil:
if result == nil:
result = generateTypeInstance(c, m.bindings, arg, f)
if result == nil:
internalError(arg.info, "getInstantiatedType")
@ -1058,7 +1090,7 @@ proc implicitConv(kind: TNodeKind, f: PType, arg: PNode, m: TCandidate,
c: PContext): PNode =
result = newNodeI(kind, arg.info)
if containsGenericType(f):
if not m.proxyMatch:
if not m.hasFauxMatch:
result.typ = getInstantiatedType(c, arg, m, f)
else:
result.typ = errorType(c)
@ -1130,7 +1162,7 @@ proc paramTypesMatchAux(m: var TCandidate, f, argType: PType,
arg = argSemantized
argType = argType
c = m.c
if tfHasStatic in fMaybeStatic.flags:
# XXX: When implicit statics are the default
# this will be done earlier - we just have to
@ -1144,7 +1176,7 @@ proc paramTypesMatchAux(m: var TCandidate, f, argType: PType,
return argSemantized
if argType.kind == tyStatic:
if m.callee.kind == tyGenericBody:
if m.callee.kind == tyGenericBody and tfGenericTypeParam notin argType.flags:
result = newNodeI(nkType, argOrig.info)
result.typ = makeTypeFromExpr(c, arg)
return
@ -1237,9 +1269,9 @@ proc paramTypesMatchAux(m: var TCandidate, f, argType: PType,
result = implicitConv(nkHiddenStdConv, f, copyTree(arg), m, c)
of isNone:
# do not do this in ``typeRel`` as it then can't infere T in ``ref T``:
if a.kind == tyProxy:
if a.kind in {tyProxy, tyUnknown}:
inc(m.genericMatches)
m.proxyMatch = true
m.fauxMatch = a.kind
return copyTree(arg)
result = userConvMatch(c, m, f, a, arg)
# check for a base type match, which supports varargs[T] without []

View file

@ -1417,12 +1417,20 @@ proc evalStaticStmt*(module: PSym, e: PNode, prc: PSym) =
proc setupCompileTimeVar*(module: PSym, n: PNode) =
discard evalConstExprAux(module, nil, n, emStaticStmt)
proc setupMacroParam(x: PNode): PNode =
result = x
if result.kind in {nkHiddenSubConv, nkHiddenStdConv}: result = result.sons[1]
result = canonValue(result)
result.flags.incl nfIsRef
result.typ = x.typ
proc setupMacroParam(x: PNode, typ: PType): TFullReg =
case typ.kind
of tyStatic:
putIntoReg(result, x)
of tyTypeDesc:
putIntoReg(result, x)
else:
result.kind = rkNode
var n = x
if n.kind in {nkHiddenSubConv, nkHiddenStdConv}: n = n.sons[1]
n = n.canonValue
n.flags.incl nfIsRef
n.typ = x.typ
result.node = n
var evalMacroCounter: int
@ -1442,6 +1450,7 @@ proc evalMacroCall*(module: PSym, n, nOrig: PNode, sym: PSym): PNode =
c.callsite = nOrig
let start = genProc(c, sym)
# c.echoCode start
var tos = PStackFrame(prc: sym, comesFrom: 0, next: nil)
let maxSlots = sym.offset
@ -1457,9 +1466,14 @@ proc evalMacroCall*(module: PSym, n, nOrig: PNode, sym: PSym): PNode =
tos.slots[0].kind = rkNode
tos.slots[0].node = newNodeIT(nkEmpty, n.info, sym.typ.sons[0])
# setup parameters:
for i in 1 .. < min(tos.slots.len, L):
tos.slots[i].kind = rkNode
tos.slots[i].node = setupMacroParam(n.sons[i])
for i in 1.. <sym.typ.len:
tos.slots[i] = setupMacroParam(n.sons[i], sym.typ.sons[i])
let gp = sym.ast[genericParamsPos]
for i in 0 .. <gp.len:
let idx = sym.typ.len + i
tos.slots[idx] = setupMacroParam(n.sons[idx], gp[i].sym.typ)
# temporary storage:
#for i in L .. <maxSlots: tos.slots[i] = newNode(nkEmpty)
result = rawExecute(c, start, tos).regToNode

View file

@ -164,7 +164,8 @@ proc getSlotKind(t: PType): TSlotKind =
const
HighRegisterPressure = 40
proc getTemp(c: PCtx; typ: PType): TRegister =
proc getTemp(c: PCtx; tt: PType): TRegister =
let typ = tt.safeSkipTypes({tyStatic})
let c = c.prc
# we prefer the same slot kind here for efficiency. Unfortunately for
# discardable return types we may not know the desired type. This can happen
@ -685,7 +686,7 @@ proc genConv(c: PCtx; n, arg: PNode; dest: var TDest; opc=opcConv) =
if dest < 0: dest = c.getTemp(n.typ)
c.gABC(n, opc, dest, tmp)
c.gABx(n, opc, 0, genType(c, n.typ))
c.gABx(n, opc, 0, genType(c, arg.typ))
c.gABx(n, opc, 0, genType(c, arg.typ.skipTypes({tyStatic})))
c.freeTemp(tmp)
proc genCard(c: PCtx; n: PNode; dest: var TDest) =
@ -1085,7 +1086,8 @@ proc genAddrDeref(c: PCtx; n: PNode; dest: var TDest; opc: TOpcode;
c.freeTemp(tmp)
proc whichAsgnOpc(n: PNode): TOpcode =
case n.typ.skipTypes(abstractRange-{tyTypeDesc}).kind
let toSkip = abstractRange-{tyTypeDesc}
case n.typ.skipTypes(toSkip).kind
of tyBool, tyChar, tyEnum, tyOrdinal, tyInt..tyInt64, tyUInt..tyUInt64:
opcAsgnInt
of tyString, tyCString:
@ -1559,6 +1561,11 @@ proc gen(c: PCtx; n: PNode; dest: var TDest; flags: TGenFlags = {}) =
c.gABx(n, opcLdConst, dest, lit)
of skType:
genTypeLit(c, s.typ, dest)
of skGenericParam:
if c.prc.sym.kind == skMacro:
genRdVar(c, n, dest, flags)
else:
internalError(n.info, "cannot generate code for: " & s.name.s)
else:
internalError(n.info, "cannot generate code for: " & s.name.s)
of nkCallKinds:
@ -1690,6 +1697,14 @@ proc genParams(c: PCtx; params: PNode) =
c.prc.slots[i] = (inUse: true, kind: slotFixedLet)
c.prc.maxSlots = max(params.len, 1)
proc genGenericParams(c: PCtx; gp: PNode) =
var base = c.prc.maxSlots
for i in 0.. <gp.len:
var param = gp.sons[i].sym
param.position = base + i # XXX: fix this earlier; make it consistent with templates
c.prc.slots[base + i] = (inUse: true, kind: slotFixedLet)
c.prc.maxSlots = base + gp.len
proc finalJumpTarget(c: PCtx; pc, diff: int) =
internalAssert(-0x7fff < diff and diff < 0x7fff)
let oldInstr = c.code[pc]
@ -1761,6 +1776,8 @@ proc genProc(c: PCtx; s: PSym): int =
c.prc = p
# iterate over the parameters and allocate space for them:
genParams(c, s.typ.n)
if s.kind == skMacro and s.ast[genericParamsPos].kind != nkEmpty:
genGenericParams(c, s.ast[genericParamsPos])
if tfCapturesEnv in s.typ.flags:
#let env = s.ast.sons[paramsPos].lastSon.sym
#assert env.position == 2