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Fixed passing byvar

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This commit is contained in:
Yuriy Glukhov
2015-08-25 15:47:34 +03:00
parent 3a01eab4df
commit a66b968d3b
2 changed files with 33 additions and 5 deletions
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28
compiler/jsgen.nim
View File

@@ -1032,7 +1032,7 @@ proc genDeref(p: PProc, n: PNode, r: var TCompRes) =
if a.typ != etyBaseIndex: internalError(n.info, "genDeref")
r.res = "$1[$2]" % [a.address, a.res]
proc genArg(p: PProc, n: PNode, r: var TCompRes) =
proc genArgNoParam(p: PProc, n: PNode, r: var TCompRes) =
var a: TCompRes
gen(p, n, a)
if a.typ == etyBaseIndex:
@@ -1042,6 +1042,20 @@ proc genArg(p: PProc, n: PNode, r: var TCompRes) =
else:
add(r.res, a.res)
proc genArg(p: PProc, n: PNode, param: PSym, r: var TCompRes) =
var a: TCompRes
gen(p, n, a)
if skipTypes(param.typ, abstractVar).kind in {tyOpenArray, tyVarargs} and
a.typ == etyBaseIndex:
add(r.res, "$1[$2]" % [a.address, a.res])
elif a.typ == etyBaseIndex:
add(r.res, a.address)
add(r.res, ", ")
add(r.res, a.res)
else:
add(r.res, a.res)
proc genArgs(p: PProc, n: PNode, r: var TCompRes) =
add(r.res, "(")
var hasArgs = false
@@ -1052,13 +1066,17 @@ proc genArgs(p: PProc, n: PNode, r: var TCompRes) =
for i in countup(1, sonsLen(n) - 1):
let it = n.sons[i]
var paramType : PNode = nil
if i < sonsLen(typ):
assert(typ.n.sons[i].kind == nkSym)
let paramType = typ.n.sons[i]
paramType = typ.n.sons[i]
if paramType.typ.isCompileTimeOnly: continue
if hasArgs: add(r.res, ", ")
genArg(p, it, r)
if paramType.isNil:
genArgNoParam(p, it, r)
else:
genArg(p, it, paramType.sym, r)
hasArgs = true
add(r.res, ")")
r.kind = resExpr
@@ -1083,7 +1101,7 @@ proc genInfixCall(p: PProc, n: PNode, r: var TCompRes) =
add(r.res, "(")
for i in countup(2, sonsLen(n) - 1):
if i > 2: add(r.res, ", ")
genArg(p, n.sons[i], r)
genArgNoParam(p, n.sons[i], r)
add(r.res, ")")
r.kind = resExpr
@@ -1097,7 +1115,7 @@ proc genEcho(p: PProc, n: PNode, r: var TCompRes) =
let it = n.sons[i]
if it.typ.isCompileTimeOnly: continue
if i > 0: add(r.res, ", ")
genArg(p, it, r)
genArgNoParam(p, it, r)
add(r.res, ")")
r.kind = resExpr

10
tests/js/tbyvar.nim
View File

@@ -31,3 +31,13 @@ proc main =
echo y
main()
# Test: pass var seq to var openarray
var s = @[2, 1]
proc foo(a: var openarray[int]) = a[0] = 123
proc bar(s: var seq[int], a: int) =
doAssert(a == 5)
foo(s)
s.bar(5)
doAssert(s == @[123, 1])