func findTryAwaitExprConnectingToken()

in Sources/SwiftFormatPrettyPrint/TokenStreamCreator.swift [1519:1541]

• 19 lines of code
• 6 McCabe index (conditional complexity)

  func findTryAwaitExprConnectingToken(inExpr expr: ExprSyntax) -> TokenSyntax? {
    if let awaitExpr = expr.as(AwaitExprSyntax.self) {
      // If we were called from the `try` of a `try await <expr>`, drill into the child expression.
      return findTryAwaitExprConnectingToken(inExpr: awaitExpr.expression)
    }
    if let callingExpr = expr.asProtocol(CallingExprSyntaxProtocol.self) {
      return findTryAwaitExprConnectingToken(inExpr: callingExpr.calledExpression)
    }
    if let memberAccessExpr = expr.as(MemberAccessExprSyntax.self), let base = memberAccessExpr.base
    {
      // When there's a simple base (i.e. identifier), group the entire `try/await <base>.<name>`
      // sequence. This check has to happen here so that the `MemberAccessExprSyntax.name` is
      // available.
      if base.is(IdentifierExprSyntax.self) {
        return memberAccessExpr.name.lastToken
      }
      return findTryAwaitExprConnectingToken(inExpr: base)
    }
    if expr.is(IdentifierExprSyntax.self) {
      return expr.lastToken
    }
    return nil
  }