mirror of
https://github.com/FirebirdSQL/firebird.git
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96 lines
2.1 KiB
C++
96 lines
2.1 KiB
C++
/*
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* The contents of this file are subject to the Initial
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* Developer's Public License Version 1.0 (the "License");
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* you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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* http://www.ibphoenix.com/main.nfs?a=ibphoenix&page=ibp_idpl.
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*
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* Software distributed under the License is distributed AS IS,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied.
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* See the License for the specific language governing rights
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* and limitations under the License.
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*
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* The Original Code was created by Adriano dos Santos Fernandes
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* for the Firebird Open Source RDBMS project.
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*
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* Copyright (c) 2008 Adriano dos Santos Fernandes <adrianosf@uol.com.br>
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* and all contributors signed below.
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*
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* All Rights Reserved.
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* Contributor(s): ______________________________________.
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*/
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#include "firebird.h"
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#include "../dsql/Parser.h"
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#include "../jrd/jrd.h"
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using namespace Jrd;
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Parser::Parser(MemoryPool& pool, USHORT aClientDialect, USHORT aDbDialect, USHORT aParserVersion,
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const TEXT* string, USHORT length, SSHORT characterSet)
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: PermanentStorage(pool),
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client_dialect(aClientDialect),
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db_dialect(aDbDialect),
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parser_version(aParserVersion),
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stmt_ambiguous(false)
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{
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yyps = 0;
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yypath = 0;
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yylvals = 0;
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yylvp = 0;
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yylve = 0;
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yylvlim = 0;
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yylpsns = 0;
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yylpp = 0;
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yylpe = 0;
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yylplim = 0;
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yylexp = 0;
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yylexemes = 0;
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lex.line_start = lex.ptr = string;
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lex.end = string + length;
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lex.lines = 1;
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lex.att_charset = characterSet;
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lex.line_start_bk = lex.line_start;
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lex.lines_bk = lex.lines;
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lex.param_number = 1;
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lex.prev_keyword = -1;
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#ifdef DSQL_DEBUG
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if (DSQL_debug & 32)
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dsql_trace("Source DSQL string:\n%.*s", (int) length, string);
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#endif
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}
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Parser::~Parser()
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{
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while (yyps)
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{
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yyparsestate* p = yyps;
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yyps = p->save;
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yyFreeState(p);
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}
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while (yypath)
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{
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yyparsestate* p = yypath;
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yypath = p->save;
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yyFreeState(p);
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}
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delete[] yylvals;
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delete[] yylpsns;
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delete[] yylexemes;
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}
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Parser::YYSTYPE Parser::parse()
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{
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if (parseAux() != 0)
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return NULL;
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else
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return DSQL_parse;
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}
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