25개 이상의 토픽을 선택하실 수 없습니다.
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
44 lines
1.1 KiB
44 lines
1.1 KiB
enum op { String, Query, Star, Plus, Or, And, Class, Dot, Exc, Et, Id} ;
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typedef union Node Node;
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typedef struct Symbol Symbol;
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typedef struct SymbolTable SymbolTable;
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typedef struct NodeCount NodeCount;
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struct String { enum op type; char *string; int len; };
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struct Query { enum op type; Node *children[1]; };
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struct Star { enum op type; Node *children[1]; };
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struct Plus { enum op type; Node *children[1]; };
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struct Or { enum op type; Node *children[2]; };
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struct And { enum op type; Node *children[2]; };
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struct Class { enum op type; char *array; };
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struct Dot { enum op type; };
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struct Exc { enum op type; Node *children[1]; };
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struct Et { enum op type; Node *children[1]; };
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struct Id { enum op type; Symbol *symbol; };
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union Node {
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enum op type;
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struct String String;
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struct Query Query;
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struct Star Star;
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struct Plus Plus;
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struct Or Or;
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struct And And;
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struct Class Class;
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struct Dot Dot;
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struct Exc Exc;
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struct Et Et;
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struct Id Id;
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};
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struct Symbol{
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char* name;
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Node *rule;
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int number;
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};
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