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https://github.com/kanaka/mal.git
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35 lines
652 B
Forth
35 lines
652 B
Forth
require reader.fs
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require printer.fs
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: read read-str ;
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: eval ;
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: print
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\ ." Type: " dup mal-type @ type-name safe-type cr
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pr-str ;
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: rep ( str-addr str-len -- str-addr str-len )
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read
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eval
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print ;
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create buff 128 allot
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77777777777 constant stack-leak-detect
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: read-lines
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begin
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." user> "
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stack-leak-detect
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buff 128 stdin read-line throw
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while ( num-bytes-read )
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buff swap ( str-addr str-len )
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['] rep
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\ execute safe-type
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catch ?dup 0= if safe-type else ." Caught error " . endif
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cr
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stack-leak-detect <> if ." --stack leak--" cr endif
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repeat ;
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read-lines
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cr
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bye
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