/Wolfram.rakumod Secret
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February 27, 2023 10:58
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Wolfram language raku grammar
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| unit grammar Wolfram; | |
| token TOP { <expression> } | |
| token expression { | |
| <head><arguments-list>? | |
| } | |
| token head { <atom><arguments-list>* } | |
| token arguments-list { [ '[' ~ ']' <expression>* % [','\s*] ]* } | |
| token atom { | |
| <integer> | | |
| <string> | | |
| <ident> | |
| } | |
| token integer { <zero> | <positive-integer> | <negative-integer> } | |
| token string { '"' ~ '"' <+graph+space-[\"]>*? } | |
| token zero { 0 } | |
| token positive-integer { '+'? <[1..9]> <digit>* } | |
| token negative-integer { '-' <positive-integer> } | |
| use Test; | |
| ok Wolfram.parse('13'); | |
| ok Wolfram.parse('0'); | |
| ok Wolfram.parse('-1'); | |
| ok Wolfram.parse('"foo"'); | |
| ok Wolfram.parse('"foo bar"'); | |
| ok Wolfram.parse('Head[arg1, arg2]'); | |
| ok Wolfram.parse('foo[bar][arg1, arg2]'); | |
| ok Wolfram.parse('Head[foo[bar], arg2]'); | |
| done-testing; |
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