Function decodeDefaultSpec

cmd/hcldec/spec.go:504–552

(body hcl.Body)

}

func decodeDefaultSpec(body hcl.Body) (hcldec.Spec, hcl.Diagnostics) {
	content, diags := body.Content(specSchemaUnlabelled)

	if len(content.Blocks) == 0 {
		if diags.HasErrors() {
			// If we already have errors then they probably explain
			// why we have no blocks, so we'll skip our additional
			// error message added below.
			return errSpec, diags
		}

		diags = append(diags, &hcl.Diagnostic{
			Severity: hcl.DiagError,
			Summary:  "Missing spec block",
			Detail:   "A default block must have at least one nested spec, each specifying a possible outcome.",
			Subject:  body.MissingItemRange().Ptr(),
		})
		return errSpec, diags
	}

	if len(content.Blocks) == 1 && !diags.HasErrors() {
		diags = append(diags, &hcl.Diagnostic{
			Severity: hcl.DiagWarning,
			Summary:  "Useless default block",
			Detail:   "A default block with only one spec is equivalent to using that spec alone.",
			Subject:  &content.Blocks[1].DefRange,
		})
	}

	var spec hcldec.Spec
	for _, block := range content.Blocks {
		candidateSpec, candidateDiags := decodeSpecBlock(block)
		diags = append(diags, candidateDiags...)
		if candidateDiags.HasErrors() {
			continue
		}

		if spec == nil {
			spec = candidateSpec
		} else {
			spec = &hcldec.DefaultSpec{
				Primary: spec,
				Default: candidateSpec,
			}
		}
	}

	return spec, diags
}

func decodeTransformSpec(body hcl.Body) (hcldec.Spec, hcl.Diagnostics) {
	type content struct {