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Replace define-runtime-path with custom anytime-path function

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Cadence Ember 2023-03-08 22:56:04 +13:00
parent e0fec5fa9c
commit 453570bdc9
Signed by untrusted user: cadence
GPG key ID: BC1C2C61CF521B17
6 changed files with 50 additions and 11 deletions
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2
lib/mime.types
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@ -1,5 +1,6 @@
text/html html
text/css css
application/xml xml
text/xml xml
image/gif gif
image/jpeg jpeg
@ -25,6 +26,7 @@ application/font-woff2 woff2
application/acad woff2
font/woff2 woff2
application/font-woff woff
font/woff woff
application/x-font-ttf ttf
application/x-font-truetype ttf
application/x-truetype-font ttf

42
lib/syntax.rkt
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@ -1,5 +1,5 @@
#lang racket/base
(require (for-syntax racket/base))
(require (for-syntax racket/base syntax/location))
(provide
; help make a nested if. if/in will gain the same false form of its containing if/out.
@ -7,7 +7,12 @@
; cond, but values can be defined between conditions
cond/var
; wrap sql statements into lambdas so they can be executed during migration
wrap-sql)
wrap-sql
; get the name of the file that contains the currently evaluating form
this-directory
this-file
; replacement for define-runtime-path
anytime-path)
(module+ test
(require rackunit)
@ -96,6 +101,16 @@
(check-equal? (if/out #t (if/in #f 'yes) 'no) 'no)
(check-equal? (if/out #f (if/in #f 'yes) 'no) 'no))
(define-syntax (this-directory stx)
(datum->syntax stx (syntax-source-directory stx)))
(define-syntax (this-file stx)
(datum->syntax stx (build-path (or (syntax-source-directory stx) 'same) (syntax-source-file-name stx))))
(module+ test
(require racket/path)
(check-equal? (file-name-from-path (this-file)) (build-path "syntax.rkt")))
(define-syntax (cond/var stx)
(transform/out-cond/var stx))
(module+ test
@ -103,7 +118,28 @@
#'(cond
[#f 0]
[#t
(let ([d (* a 2)])
(let* ([d (* a 2)])
(cond
[(eq? d 8) d]
[#t "not 4"]))])))
;;; Replacement for define-runtime-path that usually works well and doesn't include the files/folder contents into the distribution.
;;; When running from source, should always work appropriately.
;;; When running from a distribution, (current-directory) is treated as the root.
;;; Usage:
;;; * to-root : Path-String * relative path from the source file to the project root
;;; * to-dest : Path-String * relative path from the root to the desired file/folder
(define-syntax (anytime-path stx)
(define-values (_ to-root to-dest) (apply values (syntax->list stx)))
(define source (syntax-source stx))
(unless (complete-path? source)
(error 'anytime-path "syntax source has no directory: ~v" stx))
(datum->syntax
stx
`(let* ([syntax-to-root (build-path (path-only ,source) ,to-root)]
[root (if (directory-exists? syntax-to-root)
;; running on the same filesystem it was compiled on, i.e. it's running the source code out of a directory, and the complication is the intermediate compilation
syntax-to-root
;; not running on the same filesystem, i.e. it's a distribution. we assume that the current working directory is where the executable is, and treat this as the root.
(current-directory))])
(simple-form-path (build-path root ,to-dest)))))