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authorRose Hogenson <rhogenson@posteo.net>2022-08-01 19:35:19 -0700
committerRose Hogenson <rhogenson@posteo.net>2022-08-01 19:35:19 -0700
commitacc561366f3fe6ec0377103f52ef0f7e923711c9 (patch)
treed7a19cfbad78a69ebea71b27302e708c0655863d /csc/format.csc
parentRename the compiler in bytecode.rs. (diff)
downloadchromatopelma-acc561366f3fe6ec0377103f52ef0f7e923711c9.tar.zst
Modify the project structure.
Now the lib directory contains what will eventually end up on the user's /usr/lib/csc. When I write make install, it will copy all of the .csc files from lib into the destination lib directory. This means I can start working on the standard library in lib/scheme.
Diffstat (limited to 'csc/format.csc')
-rw-r--r--csc/format.csc50
1 files changed, 0 insertions, 50 deletions
diff --git a/csc/format.csc b/csc/format.csc
deleted file mode 100644
index 6ffd736..0000000
--- a/csc/format.csc
+++ /dev/null
@@ -1,50 +0,0 @@
-(define-library (csc format)
- (export
- fprintf
- printf
- sprintf)
- (import (scheme base)
- (only (scheme write)
- display)
- (only (csc loop)
- loop)
- (only (csc strings)
- index
- has-prefix?))
- (begin
-
-
- (define (fprintf port format-string . args)
- (loop with s = format-string
- until (string=? "" s)
- if (has-prefix? s "{{")
- do (write-string "{" port)
- (set! s (string-copy s 2))
- else if (has-prefix? s "}}")
- do (write-string "}" port)
- (set! s (string-copy s 2))
- else if (has-prefix? s "{}")
- do (display (car args) port)
- (set! args (cdr args))
- (set! s (string-copy s 2))
- else if (or (has-prefix? s "{")
- (has-prefix? s "}"))
- do (error "invalid format string" format-string)
- else
- do (let* ((open-brace-pos (index s "{"))
- (close-brace-pos (index s "}"))
- (format-pos (min open-brace-pos close-brace-pos)))
- (when (negative? format-pos)
- (set! format-pos (string-length s)))
- (write-string s port 0 format-pos)
- (set! s (string-copy s format-pos)))))
-
-
- (define (printf format-string . format-args)
- (apply fprintf (current-output-port) format-string format-args))
-
-
- (define (sprintf format-string . format-args)
- (let ((string-builder (open-output-string)))
- (apply fprintf string-builder format-string format-args)
- (get-output-string string-builder)))))