forked from AbleOS/ableos
32 lines
849 B
BNF
32 lines
849 B
BNF
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declarations ::= <declaration> <declarations>
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declaration ::= <enum_decl> | <struct_decl> | <type_decl> | <protocol_decl>
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type_decl ::= "type" <ident> <ident> ";"
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enum_decl ::= "enum" <ident> "{" "}"
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| "enum" <ident> "{" <enum_members> "}"
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enum_members ::= <enum_member> ["," <enum_member>]+ [","]
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enum_member ::= <ident> "=" <number>
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struct_decl ::= "struct" <ident> "{" "}"
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| "struct" <ident> "{" <struct_members> "}"
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struct_members ::= <struct_member>
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| <struct_member> ","
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| <struct_member> "," <struct_members>
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| <struct_member> "," <struct_members>
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protocol_decl ::= "protocol" <ident> "{" "}"
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| "protocol" <ident> "{" <protocol_member>+ "}"
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protocol_member ::= "fn" <ident>"("[<arg_list>]")" "->" <ident> ";"
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arg_list ::= <ident> ["," <ident>]+
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