Delete ebnf.cpp

version0.3/ebnf.cpp

@@ -1,91 +0,0 @@
-/*
-<>术语符号
-|并列选项，只能选一个
-*/
-
-//basic elements
-<identifier> ::= IDENTIFIER
-<number> ::= NUMBER
-<string> ::= STRING
-
-//scalar
-<identifier> ::= <identifier>|<array_search>|<hash_search>
-<identifiers> ::= <identifier> <,> <identifier>
-<identifiers> ::= <identifiers> <,> <identifier>
-<scalar> ::= <number>|<string>|<array>|<hash>|<use_function>
-<scalars> ::= <scalar> <,> <scalar>
-<scalars> ::= <scalars> <,> <scalar>
-
-//array
-<array_search> ::= <identifier> <[> <number> <]>
-<array> ::= <[> <scalar>|<scalars>|<identifier>|<identifiers> <]>
-
-//hash
-<hash_search> ::= <identifier> <.> <identifier>|<use_function>
-<hash_member> ::= <identifier> <:> <identifier>|<scalar>|<function>
-<hash_members> ::= <hash_member> <,> <hash_member>
-<hash_members> ::= <hash_members> <,> <hash_member>
-<hash> ::= <{> <hash_member>|<hash_members> <}>
-
-//function
-<function> ::= <func> <(> <identifier>|<identifiers> <)> <{> <statement>|<statements> <}>
-<use_function> ::= <use_identifier> <(> <scalar>|<scalars>|<identifier>|<identifiers> <)>
-
-//definition & assignment
-<definition> ::= <var> <identifier> <=> <scalar>|<identifier>|<function> <;>
-<assignment> ::= <identifier> <=>|<+=>|<-=>|<*=>|</=>|<~=> <scalar>|<identifier> <;>
-
-//calculation
-<add> ::= <scalar>|<identifier> <+> <scalar>|<identifier>
-<sub> ::= <scalar>|<identifier> <-> <scalar>|<identifier>
-<mul> ::= <scalar>|<identifier> <*> <scalar>|<identifier>
-<div> ::= <scalar>|<identifier> </> <scalar>|<identifier>
-<link> ::= <scalar>|<identifier> <~> <scalar>|<identifier>
-<calc> ::= <add>|<sub>|<mul>|<div>
-<calcs> ::= <(> <calc>|<calcs> <)>
-<calcs> ::= <calc> <+>|<->|<*>|</>|<~> <calc>
-<calcs> ::= <calcs> <+>|<->|<*>|</>|<~> <calc>
-<calcs> ::= <calc> <+>|<->|<*>|</>|<~> <calcs>
-
-//loop
-<loop_condition> ::= <statement>|<statements> <;> <condition>|<conditions> <;> <statement>|<statements>
-<loop> ::= <for> <(> <loop_condition> <)> <statement>|<{> <statement>|<statements> <}>
-<loop> ::= <while> <(> <condition>|<conditions> <)> <statement>|<{> <statement>|<statements> <}>
-
-//if else
-<condition_link_operator> ::= <and>|<or>|<!>
-<cmp_operator> ::= <==>|<>>|<<>|<<=>|<>=>|<!=>|<condition_link_operator>
-<condition> ::= <scalar>|<identifier>
-<condition> ::= <scalar>|<identifier> <cmp_operator> <scalar>|<identifier>
-<conditions> ::= <(> <condition> <)> <condition_link_operator> <(> <condition> <)>
-<conditions> ::= <(> <conditions> <)> <condition_link_operator> <(> <condition> <)>
-<conditions> ::= <(> <condition> <)> <condition_link_operator> <(> <conditions> <)>
-<conditions> ::= <conditions> <condition_link_operator> <(> <condition> <)>
-<conditions> ::= <conditions> <condition_link_operator> <(> <conditions> <)>
-//(e==1) && (e==2)
-//((e==1) && (e==2)) && (e==3)
-//(e==1) && ((e==2) && (e==3))
-//(e==1) && (e==2) && (e==3) && ((e==4) && (e==5))
-<_if> ::= <if> <(> <condition>|<conditions> <)> <statement>
-<_if> ::= <if> <(> <condition>|<conditions> <)> <{> <statement>|<statements> <}>
-<_else> ::= <else> <statement>
-<_else> ::= <else> <{> <statement>|<statements> <}>
-<else_if> ::= <else> <if> <(> <condition>|<conditions> <)> <statement>
-<else_if> ::= <else> <if> <(> <condition>|<conditions> <)> <{> <statement>|<statements> <}>
-<else_ifs> ::= <else_if> <else_if>
-<else_ifs> ::= <else_ifs> <else_if>
-<choose> ::= <_if>
-<choose> ::= <_if> <_else>
-<choose> ::= <_if> <else_if>
-<choose> ::= <_if> <else_ifs>
-<choose> ::= <_if> <else_if> <_else>
-<choose> ::= <_if> <else_ifs> <_else>
-
-//statement
-<func_return> ::= <return> <scalar>|<identifier> <;>
-<loop_continue> ::= <continue> <;>
-<loop_break> ::= <break> <;>
-<print_function> ::= <print> <(> <scalar>|<scalars>|<identifier>|<identifiers> <)> <;>
-<statement> ::= <definition>|<assignment>|<loop>|<choose>|<use_function>|<func_return>|<loop_continue>|<loop_break>|<print_function>
-<statements> ::= <statement> <statement>
-<statements> ::= <statements> <statement>