mirror of https://github.com/pulumi/pulumi.git
63 lines
1.4 KiB
Go
63 lines
1.4 KiB
Go
package gen
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import (
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"fmt"
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"github.com/hashicorp/hcl/v2"
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"github.com/hashicorp/hcl/v2/hclsyntax"
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"github.com/pulumi/pulumi/pkg/v3/codegen/hcl2/model"
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"github.com/pulumi/pulumi/pkg/v3/codegen/hcl2/syntax"
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)
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type splatTemp struct {
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Name string
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Value *model.SplatExpression
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}
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func (st *splatTemp) Type() model.Type {
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return st.Value.Type()
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}
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func (st *splatTemp) Traverse(traverser hcl.Traverser) (model.Traversable, hcl.Diagnostics) {
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return st.Type().Traverse(traverser)
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}
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func (st *splatTemp) SyntaxNode() hclsyntax.Node {
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return syntax.None
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}
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type splatSpiller struct {
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temps []*splatTemp
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count int
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}
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func (ss *splatSpiller) spillExpression(x model.Expression) (model.Expression, hcl.Diagnostics) {
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var temp *splatTemp
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switch x := x.(type) {
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case *model.SplatExpression:
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temp = &splatTemp{
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Name: fmt.Sprintf("splat%d", ss.count),
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Value: x,
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}
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ss.temps = append(ss.temps, temp)
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ss.count++
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default:
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return x, nil
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}
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return &model.ScopeTraversalExpression{
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RootName: temp.Name,
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Traversal: hcl.Traversal{hcl.TraverseRoot{Name: ""}},
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Parts: []model.Traversable{temp},
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}, nil
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}
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func (g *generator) rewriteSplat(
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x model.Expression,
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spiller *splatSpiller,
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) (model.Expression, []*splatTemp, hcl.Diagnostics) {
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spiller.temps = nil
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x, diags := model.VisitExpression(x, spiller.spillExpression, nil)
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return x, spiller.temps, diags
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}
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