9 lines
237 B
EBNF
9 lines
237 B
EBNF
Identifier ::= '[a-zA-Z][a-zA-Z_]*'
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TypeArgs ::= "[" (Type ("," Type)*)? "]"
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FrameColumn ::= ((Identifier | "_") ":")? Type
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FrameSchema ::= "[" (FrameColumn ("," FrameColumn)*)? "]"
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Type ::= "Frame" FrameSchema | Identifier TypeArgs?
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