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fix: correct handling of multi-assign operations, including swap (#173)

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This commit is contained in:
Marc Vertes
2019-05-01 16:25:31 +02:00
committed by Ludovic Fernandez
parent 0bbdd37e55
commit 16690838e3
14 changed files with 397 additions and 250 deletions
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24
interp/type.go
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@@ -196,22 +196,26 @@ func nodeType(interp *Interpreter, scope *Scope, n *Node) (*Type, error) {
t.name = "string"
t.untyped = true
default:
err = n.cfgError("missign support for type %T", n.val)
err = n.cfgError("missing support for type %T: %v", v, n.val)
}
case UnaryExpr:
t, err = nodeType(interp, scope, n.child[0])
case BinaryExpr:
t, err = nodeType(interp, scope, n.child[0])
if err != nil {
return nil, err
}
if t.untyped {
var t1 *Type
t1, err = nodeType(interp, scope, n.child[1])
if !(t1.untyped && isInt(t1) && isFloat(t)) {
t = t1
if a := n.anc; a.kind == Define && len(a.child) > a.nleft+a.nright {
t, err = nodeType(interp, scope, a.child[a.nleft])
} else {
t, err = nodeType(interp, scope, n.child[0])
if err != nil {
return nil, err
}
if t.untyped {
var t1 *Type
t1, err = nodeType(interp, scope, n.child[1])
if !(t1.untyped && isInt(t1) && isFloat(t)) {
t = t1
}
}
}