44 lines
722 B
Plaintext
44 lines
722 B
Plaintext
start: decl*
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decl: iface
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| node
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iface: IFACE IDENT "{" iface_field (COMMA iface_field)? COMMA? "}"
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iface_field: IDENT COLON IDENT
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node: NODE IDENT COLON IDENT "{" node_prod* "}"
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node_prod: prod THICCARROW "{" (equation SEMI)* "}"
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prod: sym*
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sym: IDENT
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| LANG IDENT COLON node_ref RANG
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| STRING
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node_ref: IDENT
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| STRING
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equation: expr EQ expr
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expr: expr DOT expr
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| expr ADD expr
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| expr MUL expr
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| expr LPAR args RPAR
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| IDENT
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args: expr (COMMA expr)? COMMA?
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IDENT: /([a-zA-Z][a-zA-Z0-9_]*)|(_[a-zA-Z0-9_]+)/
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IFACE: "iface"
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NODE: "node"
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LANG: "<"
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RANG: ">"
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ADD: "+"
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MUL: "*"
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COMMA: ","
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COLON: ":"
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LPAR: "("
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RPAR: ")"
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EQ: "="
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DOT: "."
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SEMI: ";"
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THICCARROW: "=>"
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%import python.STRING
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%import common.WS
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%ignore WS |