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72 lines
1.8 KiB
C++
72 lines
1.8 KiB
C++
/*
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* PROGRAM: Dynamic SQL runtime support
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* MODULE: sym.h
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* DESCRIPTION: Definitions for symbol table
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*
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* The contents of this file are subject to the Interbase Public
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* License Version 1.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy
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* of the License at http://www.Inprise.com/IPL.html
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*
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* Software distributed under the License is distributed on an
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* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express
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* or implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code was created by Inprise Corporation
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* and its predecessors. Portions created by Inprise Corporation are
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* Copyright (C) Inprise Corporation.
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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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#ifndef DSQL_SYM_H
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#define DSQL_SYM_H
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#include "../jrd/common.h"
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namespace Jrd {
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// possible symbol types
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enum sym_type {
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SYM_statement,
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SYM_cursor,
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SYM_keyword,
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SYM_context,
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SYM_relation,
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SYM_field,
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SYM_stream,
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SYM_udf,
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SYM_procedure,
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SYM_intlsym_charset,
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SYM_intlsym_collation,
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SYM_eof
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};
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typedef sym_type SYM_TYPE;
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// symbol block
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class dsql_sym : public pool_alloc_rpt<UCHAR, dsql_type_sym>
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{
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public:
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void *sym_dbb; // generic DB structure handle
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const TEXT *sym_string; // address of asciz string
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USHORT sym_length; // length of string (exc. term.)
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SYM_TYPE sym_type; // symbol type
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USHORT sym_keyword; // keyword number, if keyword
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USHORT sym_version; // dialect version the symbol was introduced
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void *sym_object; // general pointer to object
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dsql_sym* sym_collision; // collision pointer
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dsql_sym* sym_homonym; // homonym pointer
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TEXT sym_name[2]; // space for name, if necessary
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};
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} // namespace
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#endif // DSQL_SYM_H
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