eefbf66e95
When writing the xcomp documentation, I realized that with careful threading and by accepting a bit of code duplication in the xcomp toolset, I could de-stabilize a couple of words. (n) and EXIT are a bit trickier, but I think it can be done. It would be nice to get rid of stable wordrefs...
16 lines
598 B
Plaintext
16 lines
598 B
Plaintext
( Now we have "as late as possible" stuff. See bootstrap doc. )
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: _bchk DUP 0x7f + 0xff > IF LIT< br-ovfl (print) ABORT THEN ;
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: DO COMPILE 2>R H@ ; IMMEDIATE
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: LOOP COMPILE (loop) H@ - _bchk C, ; IMMEDIATE
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( LEAVE is implemented in low xcomp )
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: LITN 0x23 ( n ) , , ;
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( gets its name at the very end. can't comment afterwards )
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: _ BEGIN LIT< ) WORD S= UNTIL ; IMMEDIATE
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: _ ( : will get its name almost at the very end )
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(entry) 1 ( compiled ) C,
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BEGIN
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WORD FIND
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IF ( is word ) DUP IMMED? IF EXECUTE ELSE , THEN
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ELSE ( maybe number ) (parse) LITN THEN
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AGAIN ;
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