62 lines
1.0 KiB
C
62 lines
1.0 KiB
C
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <jansson.h>
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#include "sql.tab.h"
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#include "yyl.h"
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#include "sql.lex.h"
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#include "sql-parser.h"
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struct psql_state *psql_new(void)
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{
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struct psql_state *st = calloc(1, sizeof(*st));
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if (!st)
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return NULL;
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if (yylex_init_extra(st, &st->scanner)) {
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free(st);
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return NULL;
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}
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st->buffer_state = NULL;
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return st;
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}
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void psql_free(struct psql_state *pstate)
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{
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if (!pstate)
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return;
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if (pstate->buffer_state) {
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yy_delete_buffer(pstate->buffer_state, pstate->scanner);
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}
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yylex_destroy(pstate->scanner);
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free(pstate);
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}
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void psql_set_input(struct psql_state *pstate, FILE *in_f)
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{
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yyset_in(in_f, pstate->scanner);
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}
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void psql_set_string_input(struct psql_state *pstate, char *in_str)
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{
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if (pstate->buffer_state) {
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yy_delete_buffer(pstate->buffer_state, pstate->scanner);
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}
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pstate->buffer_state = yy_scan_string(in_str, pstate->scanner);
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}
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int psql_parse(struct psql_state *pstate)
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{
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return yyparse(pstate->scanner, pstate);
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}
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