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up_to_here [2020/09/26 17:10] – [The up-to-here marker in parsing productions] revuskyup_to_here [2020/10/08 20:22] – revusky
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-===== The "Up-to-here" Construct =====+===== The "Up-to-here" Marker =====
  
-The //up-to-here// marker ''=>||'' and the //up-to-here-plus// marker ''=>|+n'' (where n is an integer) was introduced to be able to express [[lookahead]] in a more succinct and less err-prone manner than using the legacy ''LOOKAHEAD'' or even the terser ''SCAN'' statement.+The //up-to-here// marker ''=>||'' and the //up-to-here-plus// marker ''=>|+n'' (where n is an integer) were introduced to be able to express [[lookahead]] in a more succinct and less err-prone manner than using the legacy ''LOOKAHEAD'' or even the terser ''SCAN'' statement.
  
 Where in legacy JavaCC, you would write: Where in legacy JavaCC, you would write: