def aliases

bolt@1.27.0.0 · src/syntax/bind.bend:172

import Base
import bolt@1.27.0.0/src/syntax/tree.bend as Tree

172# the import aliases of a source: the last token of each `import .. as X`
173def aliases(root: Tree.Node, +acc: List<&2, String>) -> List<&2, String>:
174  match root:
175    case Tree.NCons{Tree.Stmt{Tree.SImport{}, kids, body}, rest}:
176      +last = last_text(kids)
177      aliases(rest, Bool.pick(List<&2, String>, Bool.or(String.eq(last, "Base"), String.eq(last, "import")), acc, last <> acc))
178    case Tree.NCons{other, rest}:
179      aliases(rest, acc)
180    case other:
181      acc