9b31f8aa03
Co-authored-by: nroskill <nroskill@gmail.com> Co-authored-by: akaError <lzg020616@163.com> Co-authored-by: yinyj17 <yinyijun92@gmail.com>
90 lines
3.7 KiB
C
90 lines
3.7 KiB
C
/**
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* Copyright (c) 2021 OceanBase
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* OceanBase CE is licensed under Mulan PubL v2.
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* You can use this software according to the terms and conditions of the Mulan PubL v2.
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* You may obtain a copy of Mulan PubL v2 at:
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* http://license.coscl.org.cn/MulanPubL-2.0
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PubL v2 for more details.
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*/
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#include "pl/parser/pl_parser_base.h"
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#define yyconst const
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typedef void* yyscan_t;
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#define YY_EXTRA_TYPE void *
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typedef struct yy_buffer_state *YY_BUFFER_STATE;
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#ifdef OB_BUILD_ORACLE_PL
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extern YY_BUFFER_STATE obpl_oracle_yy_scan_bytes (yyconst char *bytes,int len ,yyscan_t yyscanner );
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extern void obpl_oracle_yy_switch_to_buffer (YY_BUFFER_STATE new_buffer ,yyscan_t yyscanner );
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extern void obpl_oracle_yy_delete_buffer (YY_BUFFER_STATE b ,yyscan_t yyscanner );
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extern int obpl_oracle_yylex_init_extra (YY_EXTRA_TYPE user_defined,yyscan_t* scanner);
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extern int obpl_oracle_yyparse(ObParseCtx *parse_ctx);
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#define IS_ORACLE_COMPATIBLE (1/*ORACLE_MODE*/ == parse_ctx->comp_mode_)
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#endif
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extern YY_BUFFER_STATE obpl_mysql_yy_scan_bytes (yyconst char *bytes,int len ,yyscan_t yyscanner );
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extern void obpl_mysql_yy_switch_to_buffer (YY_BUFFER_STATE new_buffer ,yyscan_t yyscanner );
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extern void obpl_mysql_yy_delete_buffer (YY_BUFFER_STATE b ,yyscan_t yyscanner );
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extern int obpl_mysql_yylex_init_extra (YY_EXTRA_TYPE user_defined,yyscan_t* scanner);
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extern int obpl_mysql_yyparse(ObParseCtx *parse_ctx);
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int obpl_parser_init(ObParseCtx *parse_ctx)
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{
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int ret = 0;
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if (NULL_PTR(parse_ctx) || NULL_PTR(parse_ctx->mem_pool_)) {
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ret = -1;
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} else {
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#ifndef OB_BUILD_ORACLE_PL
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ret = obpl_mysql_yylex_init_extra(parse_ctx, &(parse_ctx->scanner_ctx_.yyscan_info_));
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#else
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ret = IS_ORACLE_COMPATIBLE ?
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obpl_oracle_yylex_init_extra(parse_ctx, &(parse_ctx->scanner_ctx_.yyscan_info_))
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: obpl_mysql_yylex_init_extra(parse_ctx, &(parse_ctx->scanner_ctx_.yyscan_info_));
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#endif
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}
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return ret;
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}
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int obpl_parser_parse(ObParseCtx *parse_ctx)
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{
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int ret;
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if (NULL_PTR(parse_ctx) || NULL_PTR(parse_ctx->stmt_str_) || OB_UNLIKELY(parse_ctx->stmt_len_ <= 0)) {
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ret = OB_PARSER_ERR_EMPTY_QUERY;
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} else {
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int val = setjmp(parse_ctx->jmp_buf_);
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if (val) {
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ret = parse_ctx->global_errno_;
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} else {
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ret = OB_PARSER_SUCCESS;
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#ifdef IS_ORACLE_COMPATIBLE
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YY_BUFFER_STATE bp = (IS_ORACLE_COMPATIBLE ?
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obpl_oracle_yy_scan_bytes(parse_ctx->stmt_str_, parse_ctx->stmt_len_, parse_ctx->scanner_ctx_.yyscan_info_)
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: obpl_mysql_yy_scan_bytes(parse_ctx->stmt_str_, parse_ctx->stmt_len_, parse_ctx->scanner_ctx_.yyscan_info_));
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IS_ORACLE_COMPATIBLE ?
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obpl_oracle_yy_switch_to_buffer(bp, parse_ctx->scanner_ctx_.yyscan_info_)
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: obpl_mysql_yy_switch_to_buffer(bp, parse_ctx->scanner_ctx_.yyscan_info_);
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if (0 != (IS_ORACLE_COMPATIBLE ? obpl_oracle_yyparse(parse_ctx) : obpl_mysql_yyparse(parse_ctx))) {
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ret = OB_PARSER_ERR_PARSE_SQL;
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}
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IS_ORACLE_COMPATIBLE ?
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obpl_oracle_yy_delete_buffer(bp, parse_ctx->scanner_ctx_.yyscan_info_)
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: obpl_mysql_yy_delete_buffer(bp, parse_ctx->scanner_ctx_.yyscan_info_);
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#else
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YY_BUFFER_STATE bp =
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obpl_mysql_yy_scan_bytes(parse_ctx->stmt_str_, parse_ctx->stmt_len_, parse_ctx->scanner_ctx_.yyscan_info_);
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obpl_mysql_yy_switch_to_buffer(bp, parse_ctx->scanner_ctx_.yyscan_info_);
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if (0 != obpl_mysql_yyparse(parse_ctx)) {
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ret = OB_PARSER_ERR_PARSE_SQL;
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}
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obpl_mysql_yy_delete_buffer(bp, parse_ctx->scanner_ctx_.yyscan_info_);
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#endif
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}
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}
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return ret;
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}
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