future

func FilterFutureImports ¶

func FilterFutureImports(imps []*ast.Import) []*ast.Import

FilterFutureImports filters OUT any future imports from the passed slice of `*ast.Import`s.

func IsAllFutureKeywords ¶ added in v0.42.0

func IsAllFutureKeywords(imp *ast.Import) bool

IsAllFutureKeywords returns true if the passed *ast.Import is `future.keywords`

func IsFutureKeyword ¶ added in v0.42.0

func IsFutureKeyword(imp *ast.Import, kw string) bool

IsFutureKeyword returns true if the passed *ast.Import is `future.keywords.{kw}`

func ParserOptionsFromFutureImports ¶

func ParserOptionsFromFutureImports(imports []*ast.Import) (ast.ParserOptions, error)

ParserOptionsFromFutureImports transforms a slice of `ast.Import`s into the `ast.ParserOptions` that can be used to parse a statement according to the included "future.keywords" and "future.keywords.xyz" imports.

func ParserOptionsWithRegoVersionImports ¶ added in v1.22.0

func ParserOptionsWithRegoVersionImports(imports []*ast.Import, popts ast.ParserOptions) ast.ParserOptions

ParserOptionsWithRegoVersionImports raises popts.RegoVersion to the version implied by any "rego.v1" and "rego.v2" imports. The version is never lowered: "rego.v1" leaves a v2 version as is.

func WhichFutureKeyword ¶ added in v0.69.0

func WhichFutureKeyword(imp *ast.Import) (string, bool)