47 lines
1.0 KiB
Markdown
47 lines
1.0 KiB
Markdown
## Lexical syntax ##
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OPEN-PAREN := '('
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CLOSE-PAREN := ')'
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OPEN-SQUARE := '['
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CLOSE-SQUARE := ']'
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OPEN-CURLY := '{'
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CLOSE-CURLY := '}'
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WHITESPACE := ' ' | '\t' | '\n' | '\r'
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COMMENT := ';' ???
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STRING := '"' ??? '"'
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CONSTANT := '*' ??? '*'
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BOOLEAN := 'true' | 'false'
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SYMBOL := ???
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NUMBER := ???
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HASH := '#!' ???
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## Grammar ## ([example](http://docs.python.org/2/reference/grammar.html))
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Hy := HASH | COMMENT | WHITESPACE | Expression
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Expression := OPEN-PAREN Operator Args Close-Paren
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Operator := ???
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Args := Value(*)
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List := OPEN-SQUARE Value(*) CLOSE-SQUARE
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Map := OPEN-CURLY ( Value Value )(*) CLOSE-CURLY
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Value := STRING | CONSTANT | BOOLEAN | SYMBOL | NUMBER | Expression | List | Map
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