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| author | Rose Hogenson <rhogenson@posteo.net> | 2022-08-01 19:35:19 -0700 |
|---|---|---|
| committer | Rose Hogenson <rhogenson@posteo.net> | 2022-08-01 19:35:19 -0700 |
| commit | acc561366f3fe6ec0377103f52ef0f7e923711c9 (patch) | |
| tree | d7a19cfbad78a69ebea71b27302e708c0655863d /csc/format.csc | |
| parent | Rename the compiler in bytecode.rs. (diff) | |
| download | chromatopelma-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.csc | 50 |
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))))) |
