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Fix 898 #920

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Fix 898 #920

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21 changes: 20 additions & 1 deletion internal/compiler/emitter.go
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Original file line number Diff line number Diff line change
Expand Up @@ -501,11 +501,30 @@ func (em *emitter) prepareFunctionBodyParameters(fn *ast.Func) {

// Reserve space for the return parameters and eventually bind them.
for _, out := range fn.Type.Result {
kind := em.typ(out.Type).Kind()
t := em.typ(out.Type)
kind := t.Kind()
reg := em.fb.newRegister(kind)
if out.Ident != nil && !isBlankIdentifier(out.Ident) {
em.fb.bindVarReg(out.Ident.Name, reg)
}
// TODO(Gianluca): this code should be executed only if the function
// contains a 'defer' statement; otherwise it is useless.
var index int
switch kindToType(kind) {
case intRegister:
index = em.fb.makeIntValue(0)
case floatRegister:
index = em.fb.makeFloatValue(0)
case stringRegister:
index = int(em.fb.makeStringValue(""))
case generalRegister:
typ := t
if st, ok := t.(runtime.ScriggoType); ok {
typ = st.GoType()
}
index = int(em.fb.makeGeneralValue(reflect.Zero(typ)))
}
em.fb.emitLoad(index, reg, kind)
}

// Reserve space for the input parameters and eventually bind them.
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