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authorRose Hogenson <rhogenson@posteo.net>2023-05-01 07:56:42 -0700
committerRose Hogenson <rhogenson@posteo.net>2023-05-01 07:56:42 -0700
commita89d6c82e981fec7d6e4c975e083d2b9e04467ad (patch)
treed5445ceb797473dd45ac006c337d990e5dd6f0d4 /csc.csc
parent112ce5291da35e54c38c4ff1d7a2408a64a98e71 (diff)
downloadchromatopelma-a89d6c82e981fec7d6e4c975e083d2b9e04467ad.tar.zst
Rewrite most of the compiler.
This represents a major step back in terms of functionality, and amount of code. The latter I think constitutes a major win. Next steps are to reimplement syntax-rules, call/cc, and call-with-values.
Diffstat (limited to 'csc.csc')
-rw-r--r--csc.csc76
1 files changed, 0 insertions, 76 deletions
diff --git a/csc.csc b/csc.csc
deleted file mode 100644
index c338aa7..0000000
--- a/csc.csc
+++ /dev/null
@@ -1,76 +0,0 @@
-(import (scheme base)
- (only (scheme file)
- open-binary-output-file)
- (only (scheme read)
- read)
- (only (csc compiler)
- add-library-search-dirs
- compile)
- (only (csc flag)
- *args*
- bool-flag
- define-flag
- parse-error-flag
- parse-error-msg
- parse-error?
- parse-flags)
- (only (csc format)
- printf)
- (only (csc loop)
- loop)
- (only (csc match)
- match))
-
-
-(define-flag *include* "include" (lambda (s) (cons s *include*)) '())
-(define-flag *output* "output" string-copy "")
-(define-flag *help* "help" bool-flag #f)
-(define-flag *h* "h" bool-flag #f)
-
-
-(define *help-msg*
- "Usage: csc [OPTION]... [FILE]
-
- --include DIRECTORY Search in the given directory for libraries.
- This flag can be passed more than once.
- --output FILE Write output to the given file. The default is
- to immediately execute.
-
- --help,-h Print the usage message.
-")
-
-
-(define (read-file f)
- (call-with-input-file f
- (lambda (p)
- (loop for expr = (read p)
- until (eof-object? expr)
- collect expr))))
-
-
-(define (write-file f bytes)
- (call-with-port (open-binary-output-file f)
- (lambda (p)
- (write-bytevector bytes p))))
-
-
-(define (main)
- (guard (e ((parse-error? e)
- (printf "Error: could not parse flag {}: {}\n{}" (parse-error-flag e) (parse-error-msg e) *help-msg*)
- (exit 2)))
- (parse-flags))
- (when (or *help* *h*)
- (printf "{}" *help-msg*)
- (exit 0))
- (when (string=? "" *output*)
- (printf "For now, the option --output is required. In the future, we will be able to execute code directly.\n")
- (exit 2))
- (define input-file (match *args*
- ((file) file)
- (_ (printf "Error: must pass exactly one file to csc.\n{}" *help-msg*)
- (exit 2))))
- (add-library-search-dirs *include*)
- (write-file *output* (compile (read-file input-file))))
-
-
-(main)