58 lines
1.7 KiB
Go
58 lines
1.7 KiB
Go
package refactoring
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import (
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"fmt"
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"github.com/hashicorp/terraform/internal/addrs"
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"github.com/hashicorp/terraform/internal/configs"
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"github.com/hashicorp/terraform/internal/tfdiags"
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)
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type MoveStatement struct {
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From, To *addrs.MoveEndpointInModule
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DeclRange tfdiags.SourceRange
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}
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// FindMoveStatements recurses through the modules of the given configuration
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// and returns a flat set of all "moved" blocks defined within, in a
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// deterministic but undefined order.
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func FindMoveStatements(rootCfg *configs.Config) []MoveStatement {
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return findMoveStatements(rootCfg, nil)
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}
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func findMoveStatements(cfg *configs.Config, into []MoveStatement) []MoveStatement {
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modAddr := cfg.Path
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for _, mc := range cfg.Module.Moved {
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fromAddr, toAddr := addrs.UnifyMoveEndpoints(modAddr, mc.From, mc.To)
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if fromAddr == nil || toAddr == nil {
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// Invalid combination should've been caught during original
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// configuration decoding, in the configs package.
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panic(fmt.Sprintf("incompatible move endpoints in %s", mc.DeclRange))
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}
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into = append(into, MoveStatement{
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From: fromAddr,
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To: toAddr,
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DeclRange: tfdiags.SourceRangeFromHCL(mc.DeclRange),
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})
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}
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for _, childCfg := range cfg.Children {
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into = findMoveStatements(childCfg, into)
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}
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return into
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}
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func (s *MoveStatement) ObjectKind() addrs.MoveEndpointKind {
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// addrs.UnifyMoveEndpoints guarantees that both of our addresses have
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// the same kind, so we can just arbitrary use From and assume To will
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// match it.
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return s.From.ObjectKind()
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}
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// Name is used internally for displaying the statement graph
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func (s *MoveStatement) Name() string {
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return fmt.Sprintf("%s->%s", s.From, s.To)
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}
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