34 lines
1.7 KiB
Go
34 lines
1.7 KiB
Go
package lang
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import (
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"github.com/hashicorp/terraform/internal/addrs"
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"github.com/hashicorp/terraform/internal/tfdiags"
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"github.com/zclconf/go-cty/cty"
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)
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// Data is an interface whose implementations can provide cty.Value
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// representations of objects identified by referenceable addresses from
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// the addrs package.
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//
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// This interface will grow each time a new type of reference is added, and so
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// implementations outside of the Terraform codebases are not advised.
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//
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// Each method returns a suitable value and optionally some diagnostics. If the
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// returned diagnostics contains errors then the type of the returned value is
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// used to construct an unknown value of the same type which is then used in
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// place of the requested object so that type checking can still proceed. In
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// cases where it's not possible to even determine a suitable result type,
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// cty.DynamicVal is returned along with errors describing the problem.
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type Data interface {
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StaticValidateReferences(refs []*addrs.Reference, self addrs.Referenceable) tfdiags.Diagnostics
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GetCountAttr(addrs.CountAttr, tfdiags.SourceRange) (cty.Value, tfdiags.Diagnostics)
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GetForEachAttr(addrs.ForEachAttr, tfdiags.SourceRange) (cty.Value, tfdiags.Diagnostics)
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GetResource(addrs.Resource, tfdiags.SourceRange) (cty.Value, tfdiags.Diagnostics)
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GetLocalValue(addrs.LocalValue, tfdiags.SourceRange) (cty.Value, tfdiags.Diagnostics)
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GetModule(addrs.ModuleCall, tfdiags.SourceRange) (cty.Value, tfdiags.Diagnostics)
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GetPathAttr(addrs.PathAttr, tfdiags.SourceRange) (cty.Value, tfdiags.Diagnostics)
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GetTerraformAttr(addrs.TerraformAttr, tfdiags.SourceRange) (cty.Value, tfdiags.Diagnostics)
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GetInputVariable(addrs.InputVariable, tfdiags.SourceRange) (cty.Value, tfdiags.Diagnostics)
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}
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