Function walkProgram

src/utils/bash/ast.ts:462–476

(root: Node)

}

function walkProgram(root: Node): ParseForSecurityResult {
  // ERROR-node check folded into collectCommands — any unhandled node type
  // (including ERROR) falls through to tooComplex() in the default branch.
  // Avoids a separate full-tree walk for error detection.
  const commands: SimpleCommand[] = []
  // Track variables assigned earlier in the same command. When a
  // simple_expansion ($VAR) references a tracked var, we can substitute
  // a placeholder instead of returning too-complex. Enables patterns like
  // `NOW=$(date) && jq --arg now "$NOW" ...` — $NOW is known to be the
  // $(date) output (already extracted as inner command).
  const varScope = new Map<string, string>()
  const err = collectCommands(root, commands, varScope)
  if (err) return err
  return { kind: 'simple', commands }
}

/**
 * Recursively collect leaf `command` nodes from a structural wrapper node.