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fix: do not attempt to store data in _ var

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This commit is contained in:
Marc Vertes
2020-03-09 13:22:04 +01:00
committed by GitHub
parent 1ae2649655
commit c7c1bea7ef
5 changed files with 79 additions and 9 deletions
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44
interp/run.go
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@@ -1096,46 +1096,74 @@ func getIndexMap2(n *node) {
value2 := genValue(n.anc.child[1]) // status
next := getExec(n.tnext)
typ := n.anc.child[0].typ
doValue := n.anc.child[0].ident != "_"
doStatus := n.anc.child[1].ident != "_"
if !doValue && !doStatus {
nop(n)
return
}
if n.child[1].rval.IsValid() { // constant map index
mi := n.child[1].rval
if typ.cat == interfaceT {
switch {
case !doValue:
n.exec = func(f *frame) bltn {
v := value0(f).MapIndex(mi)
value2(f).SetBool(v.IsValid())
return next
}
case typ.cat == interfaceT:
n.exec = func(f *frame) bltn {
v := value0(f).MapIndex(mi)
if v.IsValid() {
dest(f).Set(v.Elem())
}
value2(f).SetBool(v.IsValid())
if doStatus {
value2(f).SetBool(v.IsValid())
}
return next
}
} else {
default:
n.exec = func(f *frame) bltn {
v := value0(f).MapIndex(mi)
if v.IsValid() {
dest(f).Set(v)
}
value2(f).SetBool(v.IsValid())
if doStatus {
value2(f).SetBool(v.IsValid())
}
return next
}
}
} else {
value1 := genValue(n.child[1]) // map index
if typ.cat == interfaceT {
switch {
case !doValue:
n.exec = func(f *frame) bltn {
v := value0(f).MapIndex(value1(f))
value2(f).SetBool(v.IsValid())
return next
}
case typ.cat == interfaceT:
n.exec = func(f *frame) bltn {
v := value0(f).MapIndex(value1(f))
if v.IsValid() {
dest(f).Set(v.Elem())
}
value2(f).SetBool(v.IsValid())
if doStatus {
value2(f).SetBool(v.IsValid())
}
return next
}
} else {
default:
n.exec = func(f *frame) bltn {
v := value0(f).MapIndex(value1(f))
if v.IsValid() {
dest(f).Set(v)
}
value2(f).SetBool(v.IsValid())
if doStatus {
value2(f).SetBool(v.IsValid())
}
return next
}
}