More of an Ask. Is there any 2-D Lexers / Parsers?All parsers I know read the input text as if it was a stream of characters.
Left To Right, Top to Bottom
Example source text.
a ::= [ 1 2 3 ] 4 5 6 1 2 3b ::= [ 4 5 6 ] 7 8 9
I can sort of define the grammar like so
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