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Valk Richard Li
2019-08-21 16:36:15 +08:00
committed by GitHub
parent 9946916d57
commit ace7ad7dc0
1 changed files with 4 additions and 0 deletions
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4
version0.4/ebnf.cpp
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@@ -16,6 +16,10 @@
<1><scalar> ::=
<number> //NUMBER
<string> //STRING
<(> <!> <identifier>|<scalar> <)>//first
<!> <identifier>|<scalar>//then
<(> <identifier>|<scalar> <+>|<->|<*>|</>|<~>|<and>|<or>|<==>|<!=>|<<>|<<=>|<>>|<>=> <identifier>|<scalar> <)> //first
<identifier>|<scalar> <+>|<->|<*>|</>|<~>|<and>|<or>|<==>|<!=>|<<>|<<=>|<>>|<>=> <identifier>|<scalar> //then
<2><scalars> ::=
<scalar>|<scalars> <,> <scalar>|<identifier>
<identifier>|<identifiers> <,> <scalar>