67 lines
2.0 KiB
C++
67 lines
2.0 KiB
C++
//
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//definition:
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//var e=1;
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//var e=e;
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//var e=e[0];
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//var e=e[i];
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//var e=e.e;
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//var e=e[func()];
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//var e=func();
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// identifier
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// scalar
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// call_func -> identifier func_name()
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// array_search -> identifier e[0] e[e]
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// hash_search -> identifier e.e
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<1><scalar> ::=
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<number> //NUMBER
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<string> //STRING
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<2><scalars> ::=
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<scalar>|<scalars> <,> <scalar>|<identifier>
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<identifier>|<identifiers> <,> <scalar>
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<3><identifier> ::=
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<identifier> // IDENTIFIER
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<identifier> <[> <identifier>|<scalar> <]> //__array_search
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<identifier> <.> <identifier> //__hash_search
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<identifier> <(> <identifier>|<identifiers>|<scalar>|<scalars> <)> //__call_func
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<identifier> <(><)> //__call_func_null
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<4><identifiers> ::=
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<identifier>|<identifiers> <,> <identifier>
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<5><hash_member> ::=
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<identifier> <:> <identifier>|<scalar>
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<6><hash_members> ::=
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<hash_member>|<hash_members> <,> <hash_member>
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<7><definition> ::=
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<var> <identifier> <=> <identifier>|<scalar> <;>
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<var> <identifier> <=> <[><]> <;>
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<var> <identifier> <=> <{><}> <;>
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<var> <identifier> <=> <[> <scalar>|<scalars>|<identifier>|<identifiers> <]> <;>
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<var> <identifier> <=> <{> <hash_member>|<hash_members> <}> <;>
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<8><assignment> ::=
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<identifier> <=> <identifier>|<scalar> <;>
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<identifier> <=> <[><]> <;>
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<identifier> <=> <{><}> <;>
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<identifier> <=> <[> <scalar>|<scalars>|<identifier>|<identifiers> <]> <;>
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<identifier> <=> <{> <hash_member>|<hash_members> <}> <;>
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<9><def_func> ::=
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<var> <identifier> <=> <func> <(><)> <{><}>
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<var> <identifier> <=> <func> <(> <identifier>|<identifiers> <)> <{><}>
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<var> <identifier> <=> <func> <(><)> <{> <statement>|<statements> <}>
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<var> <identifier> <=> <func> <(> <identifier>|<identifiers> <)> <{> <statement>|<statements> <}>
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<10><loop> ::=
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<...>
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<11><choose> ::=
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<...>
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<12><statement> ::=
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<definition>
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<assignment>
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<def_func>
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<identifier> <;>
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<return> <identifier>|<scalar> <;>
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<continue> <;>
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<break> <;>
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<loop>
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<choose>
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<13><statements> ::=
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<statement>|<statements> <statement>
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