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34 lines
1.2 KiB
Go
34 lines
1.2 KiB
Go
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package convert
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import (
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"github.com/zclconf/go-cty/cty"
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)
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// dynamicFixup deals with just-in-time conversions of values that were
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// input-typed as cty.DynamicPseudoType during analysis, ensuring that
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// we end up with the desired output type once the value is known, or
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// failing with an error if that is not possible.
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//
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// This is in the spirit of the cty philosophy of optimistically assuming that
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// DynamicPseudoType values will become the intended value eventually, and
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// dealing with any inconsistencies during final evaluation.
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func dynamicFixup(wantType cty.Type) conversion {
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return func(in cty.Value, path cty.Path) (cty.Value, error) {
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ret, err := Convert(in, wantType)
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if err != nil {
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// Re-wrap this error so that the returned path is relative
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// to the caller's original value, rather than relative to our
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// conversion value here.
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return cty.NilVal, path.NewError(err)
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}
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return ret, nil
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}
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}
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// dynamicPassthrough is an identity conversion that is used when the
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// target type is DynamicPseudoType, indicating that the caller doesn't care
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// which type is returned.
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func dynamicPassthrough(in cty.Value, path cty.Path) (cty.Value, error) {
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return in, nil
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}
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