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12 lines
367 B
Plaintext
12 lines
367 B
Plaintext
: _ ( a len -- n f )
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OVER C@ ( a len c )
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'-' = IF
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1- SWAP 1+ SWAP ( a+1 len-1 ) _ 0 ROT ( f 0 n )
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- SWAP EXIT ( 0-n f )
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THEN ( a len )
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0 SWAP ( len ) 0 DO ( a r )
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OVER I + C@ ( a r c ) _pdacc ( a r f )
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IF DROP 0 UNLOOP EXIT THEN LOOP ( a r )
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NIP 1 ;
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: (parsed) ( a -- n f ) DUP 1- C@ ( a l ) _ ;
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