syndicate-lang
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preserves
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Optionally omit commas when writing preserves

This commit is contained in:
Tony Garnock-Jones 2021-05-25 11:05:16 +02:00
parent 8b2aa0fb87
commit 6c9071fd88
1 changed files with 6 additions and 3 deletions
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9
implementations/racket/preserves/preserves/write-text.rkt
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@ -26,6 +26,7 @@
(define (write-preserve/text v0 [o (current-output-port)]
#:indent [indent-amount0 #f]
#:encode-embedded [encode-embedded0 #f]
#:commas? [commas? #t]
#:write-annotations? [write-annotations? #t])
(define encode-embedded (or encode-embedded0 object-id))
(define indent-amount (match indent-amount0
@ -164,9 +165,9 @@
[_ (write-stringlike-char c)]))
(! "|")))]
[(record label fields) (write-record distance label fields)]
[(? list?) (write-sequence distance "[" "," "]" write-value v)]
[(? set?) (write-sequence distance "#{" "," "}" write-value (set->list v))]
[(? dict?) (write-sequence distance "{" "," "}" write-key-value (dict->list v))]
[(? list?) (write-sequence distance "[" (if commas? "," "") "]" write-value v)]
[(? set?) (write-sequence distance "#{" (if commas? "," "") "}" write-value (set->list v))]
[(? dict?) (write-sequence distance "{" (if commas? "," "") "}" write-key-value (dict->list v))]
[other
(! "#!")
(write-value distance (encode-embedded other))]))
@ -176,9 +177,11 @@
(define (preserve->string v0
#:indent [indent-amount #f]
#:encode-embedded [encode-embedded #f]
#:commas? [commas? #t]
#:write-annotations? [write-annotations? #t])
(with-output-to-string
(lambda () (write-preserve/text v0
#:indent indent-amount
#:encode-embedded encode-embedded
#:commas? commas?
#:write-annotations? write-annotations?))))