/
gen_program_json.go
68 lines (57 loc) 路 1.43 KB
/
gen_program_json.go
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package gen
import (
"fmt"
"github.com/hashicorp/hcl/v2"
"github.com/hashicorp/hcl/v2/hclsyntax"
"github.com/pulumi/pulumi/pkg/v2/codegen/hcl2/model"
"github.com/pulumi/pulumi/pkg/v2/codegen/hcl2/syntax"
)
type jsonTemp struct {
Name string
Value *model.FunctionCallExpression
}
func (jt *jsonTemp) Type() model.Type {
return jt.Value.Type()
}
func (jt *jsonTemp) Traverse(traverser hcl.Traverser) (model.Traversable, hcl.Diagnostics) {
return jt.Type().Traverse(traverser)
}
func (jt *jsonTemp) SyntaxNode() hclsyntax.Node {
return syntax.None
}
type jsonSpiller struct {
temps []*jsonTemp
count int
}
func (js *jsonSpiller) spillExpression(x model.Expression) (model.Expression, hcl.Diagnostics) {
var temp *jsonTemp
switch x := x.(type) {
case *model.FunctionCallExpression:
switch x.Name {
case "toJSON":
temp = &jsonTemp{
Name: fmt.Sprintf("json%d", js.count),
Value: x,
}
js.temps = append(js.temps, temp)
js.count++
default:
return x, nil
}
default:
return x, nil
}
return &model.ScopeTraversalExpression{
RootName: temp.Name,
Traversal: hcl.Traversal{hcl.TraverseRoot{Name: ""}},
Parts: []model.Traversable{temp},
}, nil
}
func (g *generator) rewriteToJSON(
x model.Expression,
spiller *jsonSpiller,
) (model.Expression, []*jsonTemp, hcl.Diagnostics) {
spiller.temps = nil
x, diags := model.VisitExpression(x, spiller.spillExpression, nil)
return x, spiller.temps, diags
}