* Load now skips the first line of a file if that line starts with
a shebang "#!".
This commit is contained in:
Abdulaziz Ghuloum
parent
b09f5ba142
commit
23ff529aa2
BIN
lib/ikarus.boot
BIN
lib/ikarus.boot
Binary file not shown.
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@ -260,77 +260,79 @@
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(list->string (reverse (cons c chars))))]))))
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(define tokenize-hash
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(lambda (p)
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(let ([c (read-char p)])
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(cond
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[(eof-object? c) (error 'tokenize "invalid # near end of file")]
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[($char= c #\t)
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(let ([c (peek-char p)])
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(cond
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[(eof-object? c) '(datum . #t)]
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[(delimiter? c) '(datum . #t)]
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[else (error 'tokenize "invalid syntax near #t")]))]
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[($char= c #\f)
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(let ([c (peek-char p)])
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(cond
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[(eof-object? c) '(datum . #f)]
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[(delimiter? c) '(datum . #f)]
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[else (error 'tokenize "invalid syntax near #f")]))]
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[($char= #\\ c) (tokenize-char p)]
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[($char= #\( c) 'vparen]
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[($char= #\x c) (tokenize-hex-init p)]
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[($char= #\' c) '(macro . syntax)]
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[($char= #\; c) 'hash-semi]
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[($char= #\% c) '(macro . |#primitive|)]
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[($char= #\| c) (multiline-comment p) (tokenize p)]
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[($char= #\b c)
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(let ([c (read-char p)])
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(cond
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[(eof-object? c)
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(error 'tokenize "invalid eof while reading #b")]
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[($char= #\- c)
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(let ([c (read-char p)])
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(cond
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[(eof-object? c)
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(error 'tokenize "invalid eof while reading #b-")]
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[($char= #\0 c)
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(cons 'datum
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(* -1 (read-binary 0 '(#\0 #\-) p)))]
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[($char= #\1 c)
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(cons 'datum
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(* -1 (read-binary 1 '(#\1 #\-) p)))]
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[else
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(unread-char c p)
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(error 'tokenize "invalid binary syntax #b-~a" c)]))]
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[($char= #\0 c)
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(cons 'datum (read-binary 0 '(#\0) p))]
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[($char= #\1 c)
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(cons 'datum (read-binary 1 '(#\1) p))]
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[else
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(unread-char c p)
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(error 'tokenize "invalid syntax #b~a" c)]
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))]
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[($char= #\! c)
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(let ([e (read-char p)])
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(when (eof-object? e)
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(error 'tokenize "invalid eof near #!"))
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(unless ($char= #\e e)
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(error 'tokenize "invalid syntax near #!~a" e))
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(let ([o (read-char p)])
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(when (eof-object? o)
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(error 'tokenize "invalid eof near #!e"))
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(unless ($char= #\o o)
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(error 'tokenize "invalid syntax near #!e~a" o))
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(let ([f (read-char p)])
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(when (eof-object? f)
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(error 'tokenize "invalid syntax near #!eo"))
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(unless ($char= #\f f)
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(error 'tokenize "invalid syntax near #!eo~a" f))
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(cons 'datum (eof-object)))))]
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[(digit? c)
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(tokenize-hashnum p (char->num c))]
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[else
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(unread-char c p)
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(error 'tokenize "invalid syntax #~a" c)]))))
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(tokenize-hash/c (read-char p) p)))
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(define tokenize-hash/c
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(lambda (c p)
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(cond
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[(eof-object? c) (error 'tokenize "invalid # near end of file")]
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[($char= c #\t)
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(let ([c (peek-char p)])
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(cond
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[(eof-object? c) '(datum . #t)]
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[(delimiter? c) '(datum . #t)]
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[else (error 'tokenize "invalid syntax near #t")]))]
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[($char= c #\f)
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(let ([c (peek-char p)])
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(cond
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[(eof-object? c) '(datum . #f)]
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[(delimiter? c) '(datum . #f)]
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[else (error 'tokenize "invalid syntax near #f")]))]
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[($char= #\\ c) (tokenize-char p)]
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[($char= #\( c) 'vparen]
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[($char= #\x c) (tokenize-hex-init p)]
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[($char= #\' c) '(macro . syntax)]
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[($char= #\; c) 'hash-semi]
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[($char= #\% c) '(macro . |#primitive|)]
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[($char= #\| c) (multiline-comment p) (tokenize p)]
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[($char= #\b c)
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(let ([c (read-char p)])
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(cond
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[(eof-object? c)
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(error 'tokenize "invalid eof while reading #b")]
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[($char= #\- c)
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(let ([c (read-char p)])
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(cond
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[(eof-object? c)
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(error 'tokenize "invalid eof while reading #b-")]
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[($char= #\0 c)
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(cons 'datum
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(* -1 (read-binary 0 '(#\0 #\-) p)))]
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[($char= #\1 c)
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(cons 'datum
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(* -1 (read-binary 1 '(#\1 #\-) p)))]
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[else
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(unread-char c p)
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(error 'tokenize "invalid binary syntax #b-~a" c)]))]
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[($char= #\0 c)
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(cons 'datum (read-binary 0 '(#\0) p))]
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[($char= #\1 c)
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(cons 'datum (read-binary 1 '(#\1) p))]
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[else
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(unread-char c p)
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(error 'tokenize "invalid syntax #b~a" c)]
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))]
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[($char= #\! c)
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(let ([e (read-char p)])
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(when (eof-object? e)
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(error 'tokenize "invalid eof near #!"))
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(unless ($char= #\e e)
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(error 'tokenize "invalid syntax near #!~a" e))
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(let ([o (read-char p)])
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(when (eof-object? o)
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(error 'tokenize "invalid eof near #!e"))
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(unless ($char= #\o o)
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(error 'tokenize "invalid syntax near #!e~a" o))
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(let ([f (read-char p)])
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(when (eof-object? f)
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(error 'tokenize "invalid syntax near #!eo"))
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(unless ($char= #\f f)
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(error 'tokenize "invalid syntax near #!eo~a" f))
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(cons 'datum (eof-object)))))]
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[(digit? c)
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(tokenize-hashnum p (char->num c))]
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[else
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(unread-char c p)
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(error 'tokenize "invalid syntax #~a" c)])))
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(define (tokenize-hashnum p n)
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(let ([c (read-char p)])
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(cond
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@ -357,50 +359,71 @@
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[else (tokenize-bar p (cons c ac))]))]
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[($char= #\| c) ac]
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[else (tokenize-bar p (cons c ac))]))))
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(define tokenize/c
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(lambda (c p)
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(cond
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[(eof-object? c) (eof-object)]
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[(char-whitespace? c) (tokenize p)]
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[($char= #\( c) 'lparen]
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[($char= #\) c) 'rparen]
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[($char= #\[ c) 'lbrack]
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[($char= #\] c) 'rbrack]
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[($char= #\' c) '(macro . quote)]
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[($char= #\` c) '(macro . quasiquote)]
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[($char= #\, c)
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(let ([c (peek-char p)])
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(cond
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[(eof-object? c) '(macro . unquote)]
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[($char= c #\@)
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(read-char p)
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'(macro . unquote-splicing)]
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[else '(macro . unquote)]))]
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[($char= #\# c) (tokenize-hash p)]
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[(digit? c)
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(cons 'datum (tokenize-number (char->num c) p))]
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[(initial? c)
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(let ([ls (reverse (tokenize-identifier (cons c '()) p))])
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(cons 'datum (string->symbol (list->string ls))))]
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[($char= #\" c)
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(let ([ls (tokenize-string '() p)])
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(cons 'datum (list->string (reverse ls))))]
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[($char= #\; c)
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(skip-comment p)
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(tokenize p)]
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[($char= #\+ c)
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(tokenize-plus p)]
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[($char= #\- c)
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(tokenize-minus p)]
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[($char= #\. c)
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(tokenize-dot p)]
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[($char= #\| c)
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(let ([ls (reverse (tokenize-bar p '()))])
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(cons 'datum (string->symbol (list->string ls))))]
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[else
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(unread-char c p)
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(error 'tokenize "invalid syntax ~a" c)])))
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(define tokenize
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(lambda (p)
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(tokenize/c (read-char p) p)))
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(define tokenize-initial
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(lambda (p)
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(let ([c (read-char p)])
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(cond
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[(eof-object? c) (eof-object)]
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[(char-whitespace? c) (tokenize p)]
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[($char= #\( c) 'lparen]
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[($char= #\) c) 'rparen]
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[($char= #\[ c) 'lbrack]
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[($char= #\] c) 'rbrack]
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[($char= #\' c) '(macro . quote)]
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[($char= #\` c) '(macro . quasiquote)]
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[($char= #\, c)
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(let ([c (peek-char p)])
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[(eof-object? c) c]
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[($char= #\# c)
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(let ([c (read-char p)])
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(cond
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[(eof-object? c) '(macro . unquote)]
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[($char= c #\@)
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(read-char p)
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'(macro . unquote-splicing)]
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[else '(macro . unquote)]))]
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[($char= #\# c) (tokenize-hash p)]
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[(digit? c)
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(cons 'datum (tokenize-number (char->num c) p))]
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[(initial? c)
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(let ([ls (reverse (tokenize-identifier (cons c '()) p))])
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(cons 'datum (string->symbol (list->string ls))))]
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[($char= #\" c)
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(let ([ls (tokenize-string '() p)])
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(cons 'datum (list->string (reverse ls))))]
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[($char= #\; c)
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(skip-comment p)
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(tokenize p)]
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[($char= #\+ c)
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(tokenize-plus p)]
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[($char= #\- c)
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(tokenize-minus p)]
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[($char= #\. c)
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(tokenize-dot p)]
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[($char= #\| c)
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(let ([ls (reverse (tokenize-bar p '()))])
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(cons 'datum (string->symbol (list->string ls))))]
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[else
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(unread-char c p)
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(error 'tokenize "invalid syntax ~a" c)]))))
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[(eof-object? c)
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(error 'tokenize "invalid eof after #")]
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[($char= #\! c)
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(skip-comment p)
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(tokenize p)]
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[else
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(tokenize-hash/c c p)]))]
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[else (tokenize/c c p)]))))
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;;;
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;;;--------------------------------------------------------------* READ *---
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@ -554,10 +577,15 @@
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[else (error 'read "invalid token! ~s" t)])]
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[else
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(error 'read "unexpected ~s found" t)])))
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(define read-expr
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(lambda (p locs k)
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(parse-token p locs k (read-token p))))
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(define read-expr-initial
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(lambda (p locs k)
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(parse-token p locs k (tokenize-initial p))))
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(define reduce-loc!
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(lambda (x)
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(let ([loc (cdr x)])
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@ -592,7 +620,17 @@
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(loc-value expr)
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expr)]))))
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(define read-initial
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(lambda (p)
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(let-values ([(expr locs k) (read-expr-initial p '() void)])
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(cond
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[(null? locs) expr]
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[else
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(for-each reduce-loc! locs)
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(k)
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(if (loc? expr)
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(loc-value expr)
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expr)]))))
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;;;
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@ -619,12 +657,16 @@
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(unless (eof-object? x)
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(eval x)
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(read-and-eval p)))))
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(primitive-set! 'load
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(lambda (x)
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(unless (string? x)
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(error 'load "~s is not a string" x))
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(let ([p (open-input-file x)])
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(read-and-eval p)
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(let ([x (read-initial p)])
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(unless (eof-object? x)
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(eval x)
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(read-and-eval p)))
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(close-input-port p)))))
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)
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@ -116,60 +116,53 @@
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))
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(define system-primitives
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'(immediate? $unbound-object? $forward-ptr?
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pointer-value
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primitive-ref primitive-set!
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$fx= $fx< $fx<= $fx> $fx>= $fxzero?
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$fx+ $fx- $fx* $fxadd1 $fxsub1 $fxquotient $fxremainder $fxmodulo
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$fxsll $fxsra $fxlognot $fxlogor $fxlogand $fxlogxor
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$fixnum->char $char->fixnum
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$char= $char< $char<= $char> $char>=
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$car $cdr $set-car! $set-cdr!
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'(
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immediate? $unbound-object? $forward-ptr? pointer-value
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primitive-ref primitive-set! $fx= $fx< $fx<= $fx> $fx>=
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$fxzero? $fx+ $fx- $fx* $fxadd1 $fxsub1 $fxquotient
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$fxremainder $fxmodulo $fxsll $fxsra $fxlognot $fxlogor
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$fxlogand $fxlogxor $fixnum->char $char->fixnum $char= $char<
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$char<= $char> $char>= $car $cdr $set-car! $set-cdr!
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$make-vector $vector-ref $vector-set! $vector-length
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$make-string $string-ref $string-set! $string-length $string
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$symbol-string $symbol-unique-string $symbol-value
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$set-symbol-string! $set-symbol-unique-string! $set-symbol-value!
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$make-symbol $set-symbol-plist! $symbol-plist
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$sc-put-cte
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$record? $record/rtd? $record-set! $record-ref $record-rtd
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$make-record $record
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$base-rtd
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$code? $code-reloc-vector $code-freevars $code-size $code-ref $code-set!
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$code->closure list*->code*
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make-code code? set-code-reloc-vector! code-reloc-vector code-freevars
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code-size code-ref code-set!
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$frame->continuation $fp-at-base $current-frame $arg-list $seal-frame-and-call
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$set-symbol-string! $set-symbol-unique-string!
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$set-symbol-value! $make-symbol $set-symbol-plist!
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$symbol-plist $sc-put-cte $record? $record/rtd? $record-set!
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$record-ref $record-rtd $make-record $record $base-rtd $code?
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$code-reloc-vector $code-freevars $code-size $code-ref
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$code-set! $code->closure list*->code* make-code code?
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set-code-reloc-vector! code-reloc-vector code-freevars code-size
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code-ref code-set! $frame->continuation $fp-at-base
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$current-frame $arg-list $seal-frame-and-call
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$make-call-with-values-procedure $make-values-procedure
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do-overflow collect
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$make-tcbucket $tcbucket-next $tcbucket-key $tcbucket-val
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$set-tcbucket-next! $set-tcbucket-val! $set-tcbucket-tconc!
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$tcbucket-dlink-prev
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$tcbucket-dlink-next
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$set-tcbucket-dlink-prev!
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$set-tcbucket-dlink-next!
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call/cf trace-symbol! untrace-symbol! make-traced-procedure
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fixnum->string
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vector-memq vector-memv
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do-overflow collect $make-tcbucket $tcbucket-next $tcbucket-key
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$tcbucket-val $set-tcbucket-next! $set-tcbucket-val!
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$set-tcbucket-tconc! $tcbucket-dlink-prev $tcbucket-dlink-next
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$set-tcbucket-dlink-prev! $set-tcbucket-dlink-next! call/cf
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trace-symbol! untrace-symbol! make-traced-procedure
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fixnum->string vector-memq vector-memv
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;;; must open-code
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$make-port/input
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$make-port/output
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$make-port/both
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;;; TODO: must open-code
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$make-port/input $make-port/output $make-port/both
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$make-input-port $make-output-port $make-input/output-port
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$port-handler
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$port-input-buffer $port-input-index $port-input-size
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$port-output-buffer $port-output-index $port-output-size
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$set-port-input-index! $set-port-input-size!
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$port-handler $port-input-buffer $port-input-index
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$port-input-size $port-output-buffer $port-output-index
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$port-output-size $set-port-input-index! $set-port-input-size!
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$set-port-output-index! $set-port-output-size!
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;;; better open-code
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$write-char $read-char $peek-char $unread-char
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;;; never open-code
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$reset-input-port! $close-input-port
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$close-output-port $flush-output-port
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*standard-output-port* *standard-error-port* *current-output-port*
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*standard-input-port* *current-input-port*
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$reset-input-port! $close-input-port $close-output-port
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$flush-output-port *standard-output-port* *standard-error-port*
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*current-output-port* *standard-input-port* *current-input-port*
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||||
|
||||
))
|
||||
|
||||
|
||||
|
|
@ -214,6 +207,7 @@
|
|||
|
||||
|
||||
(when (eq? "" "")
|
||||
(error #f "SEVERELY OUT OF DATE!\n")
|
||||
(load "chez-compat.ss")
|
||||
(set! primitive-ref top-level-value)
|
||||
(set! primitive-set! set-top-level-value!)
|
||||
|
|
@ -300,3 +294,4 @@
|
|||
(system
|
||||
(format "cat ~a > ikarus.boot"
|
||||
(join " " (map caddr scheme-library-files))))
|
||||
|
||||
|
|
|
|||
|
|
@ -4101,6 +4101,7 @@
|
|||
(else (match* (unannotate e) p empty-wrap '())))))
|
||||
))
|
||||
|
||||
;;; global macros
|
||||
|
||||
(define-syntax with-syntax
|
||||
(lambda (x)
|
||||
|
|
|
|||
Loading…
Reference in New Issue