37 lines
792 B
C++
37 lines
792 B
C++
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#include "SQLParser.h"
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#include "lex_parser.h"
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#include "lex_lexer.h"
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#include <stdio.h>
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int yyparse(Statement **expression, yyscan_t scanner);
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SQLParser::SQLParser() {
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fprintf(stderr, "SQLParser only has static methods atm! Do not initialize!\n");
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}
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Statement* SQLParser::parseSQL(const char *text) {
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Statement* stmt;
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yyscan_t scanner;
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YY_BUFFER_STATE state;
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if (yylex_init(&scanner)) {
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// couldn't initialize
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fprintf(stderr, "Error when initializing!\n");
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return NULL;
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}
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state = yy_scan_string(text, scanner);
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if (yyparse(&stmt, scanner)) {
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// error parsing
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fprintf(stderr, "Error when parsing!\n");
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return NULL;
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}
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yy_delete_buffer(state, scanner);
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yylex_destroy(scanner);
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return stmt;
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}
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