// Returns the textual version of Value, possibly emmitting an error
// can't merge with indirectValue, as this is used by emit-func-setup to get register names
func (l langType) Value(v interface{}, errorInfo string) string {
val, ok := v.(ssa.Value)
if !ok {
return "" // if it is not a value, an empty string will be returned
}
switch v.(type) {
case *ssa.Global:
return "Go." + l.LangName(v.(*ssa.Global).Pkg.Object.Name(), v.(*ssa.Global).Name())
case *ssa.Alloc, *ssa.MakeSlice:
return pogo.RegisterName(v.(ssa.Value))
case *ssa.FieldAddr, *ssa.IndexAddr:
return pogo.RegisterName(v.(ssa.Value))
case *ssa.Const:
ci := v.(*ssa.Const)
_, c := l.Const(*ci, errorInfo)
return c
case *ssa.Parameter:
return "p_" + pogo.MakeId(v.(*ssa.Parameter).Name())
case *ssa.Capture:
for b := range v.(*ssa.Capture).Parent().FreeVars {
if v.(*ssa.Capture) == v.(*ssa.Capture).Parent().FreeVars[b] { // comparing the name gives the wrong result
return `_bds[` + fmt.Sprintf("%d", b) + `]`
}
}
pogo.LogError(errorInfo, "Haxe", fmt.Errorf("haxe.Value(): *ssa.Capture name not found: %s", v.(*ssa.Capture).Name()))
return `_bds["_b` + "ERROR: Captured bound variable name not found" + `"]` // TODO proper error
case *ssa.Function:
pk := "unknown"
if v.(*ssa.Function).Signature.Recv() != nil { // it's a method
pk = v.(*ssa.Function).Signature.Recv().Pkg().Name() + "." + v.(*ssa.Function).Signature.Recv().Name()
} else {
if v.(*ssa.Function).Pkg != nil {
if v.(*ssa.Function).Pkg.Object != nil {
pk = v.(*ssa.Function).Pkg.Object.Name()
}
}
}
if len(v.(*ssa.Function).Blocks) > 0 { //the function actually exists
return "new Closure(Go_" + l.LangName(pk, v.(*ssa.Function).Name()) + ".call,[])" //TODO will change for go instr
}
// function has no implementation
// TODO maybe put a list of over-loaded functions here and only error if not found
// NOTE the reflect package comes through this path TODO fix!
pogo.LogWarning(errorInfo, "Haxe", fmt.Errorf("haxe.Value(): *ssa.Function has no implementation: %s", v.(*ssa.Function).Name()))
return "new Closure(null,[])" // Should fail at runtime if it is used...
case *ssa.UnOp:
return pogo.RegisterName(val)
case *ssa.BinOp:
return pogo.RegisterName(val)
case *ssa.MakeInterface:
return pogo.RegisterName(val)
default:
return pogo.RegisterName(val)
}
}
func (l langType) inlineRegisterName(vi interface{}) string {
vp, okPtr := vi.(*ssa.Value)
if !okPtr {
v, ok := vi.(ssa.Value)
if !ok {
panic(fmt.Sprintf("inlineRegisterName not a pointer to a value, or a value; it is a %T", vi))
}
vp = &v
}
nm := strings.TrimSpace(pogo.RegisterName(*vp))
if l.CanInline(vi) {
code, found := pogo.InlineMap(nm)
if !found {
//for k, v := range pogo.InlineMap {
// println("DEBUG dump pogo.InlineMap[", k, "] is ", v)
//}
//pogo.LogError(vi.(ssa.Instruction).Parent().String(), "haxe", errors.New("internal error - cannot find "+nm+" in pogo.InlineMap"))
return nm
}
return code
}
return nm
}