mirror of https://github.com/yandex/odyssey.git
59 lines
944 B
C
59 lines
944 B
C
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#ifndef OD_LEX_H_
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#define OD_LEX_H_
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/*
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* odissey - PostgreSQL connection pooler and
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* request router.
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*/
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typedef struct odkeyword_t odkeyword_t;
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typedef struct odtoken_t odtoken_t;
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typedef struct odlex_t odlex_t;
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enum {
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OD_LERROR = -1,
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OD_LEOF = 0,
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OD_LNUMBER = 1000,
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OD_LPUNCT,
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OD_LID,
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OD_LSTRING,
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OD_LCUSTOM
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};
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struct odkeyword_t {
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char *name;
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int size;
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int id;
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};
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struct odtoken_t {
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int id;
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union {
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uint64_t num;
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char *string;
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} v;
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int line;
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odlist_t link_alloc;
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odlist_t link;
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};
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struct odlex_t {
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char *buf;
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int size;
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int pos;
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int line;
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odkeyword_t *keywords;
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int count;
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odlist_t stack;
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odlist_t list;
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char *error;
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};
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void od_lexinit(odlex_t*, odkeyword_t*, char*, int);
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void od_lexfree(odlex_t*);
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char *od_lexname_of(odlex_t*, int);
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void od_lexpush(odlex_t*, odtoken_t*);
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int od_lexpop(odlex_t*, odtoken_t**);
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#endif
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