I'm trying to use the "raco check-requires" command to determine which
requires I should remove from my source files, and the command fails when I
include one of my files (the application compiles and runs fine).
I managed to reproduce the case as follows:
;; Save this in "file1.rkt"
#lang racket/base
(require racket/class)
(define foo%
(class object%
(init-field name)
(super-new)
))
(provide foo%)
;; Save this in "file2.rkt"
#lang racket/base
(require "file1.rkt")
When running check requires ("raco check-requires file2.rkt"), I would
expect
that "file1.rkt" to be reported as a useless include, instead I get the
following error:
$ raco check-requires file2.rkt
derivation-parser: error on token #280: <macro-post-transform,
(#<syntax:E:\Alex\t\al\al2\rkt\file1.rkt:5:2
(detect-field-unsafe-undefine...> .
#<syntax:E:\Alex\t\al\al2\rkt\file1.rkt:5:2 (class object% (init-field
na...>)>
(file "file2.rkt"):
ERROR in (file "file2.rkt")
Interestingly, if I compile the files using "raco make file2.rkt", the
check-requires command works fine:
$ raco make file2.rkt
$ raco check-requires file2.rkt
(file "file2.rkt"):
DROP "file1.rkt" at 0
Could someone clarify what is "check-requires" complaining about in the
first
case? Is this command only supposed to be run after the code was compiled?
Thanks,
Alex.
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