1 mike  1.2 //%/////////////////////////////////////////////////////////////////////////////
 2           //
 3           // Copyright (c) 2000, 2001 BMC Software, Hewlett-Packard Company, IBM, 
 4           // The Open Group, Tivoli Systems
 5           //
 6           // Permission is hereby granted, free of charge, to any person obtaining a copy
 7           // of this software and associated documentation files (the "Software"), to 
 8           // deal in the Software without restriction, including without limitation the 
 9           // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 
10           // sell copies of the Software, and to permit persons to whom the Software is
11           // furnished to do so, subject to the following conditions:
12           // 
13           // THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN 
14           // ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED
15           // "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
16           // LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR 
17           // PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT 
18           // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 
19           // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
20           // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
21           //
22 mike  1.2 //==============================================================================
23           //
24           // Author: Mike Brasher (mbrasher@bmc.com)
25           //
26           // Modified By:
27           //
28           //%/////////////////////////////////////////////////////////////////////////////
29           
30           #ifndef Pegasus_WQLParserState_h
31           #define Pegasus_WQLParserState_h
32           
33           #include <Pegasus/Common/Config.h>
34           #include <Pegasus/Common/Array.h>
35           #include <Pegasus/WQL/WQLSelectStatement.h>
36           
37           PEGASUS_NAMESPACE_BEGIN
38           
39           /** This is an internal structure used for holding parser state information
40               during parsing (while inside the WQLParser::parse() method). Instances
41               of this class are created and destroyed by WQLParser::parse().
42           */
43 mike  1.2 struct WQLParserState
44           {
45               //
46               // Text containing SELECT statement (must be null-terminated).
47               //
48           
49               Array<Sint8> text;
50           
51               //
52               // Offset to current parser position in the above text.
53               //
54           
55               Uint32 offset;
56           
57               //
58               // The output object being initialized during parsing. This object is
59               // set to point to the statment argument passed to the WQLParser::parse()
60               // method.
61               //
62           
63               WQLSelectStatement* statement;
64 mike  1.2 
65               //
66               // Set to true when there is an error (set by WQL_error()).
67               //
68           
69               Boolean error;
70           
71               //
72               // Error message if any (set by WQL_error()).
73               //
74           
75               String errorMessage;
76           
77               //
78               // A list of strings created by lexer. These are deleted by the
79               // WQLParser when cleaning up in the parse() method. It is not possible
80               // to reliably clean them up anywhere else due to potential parse errors
81               // which prevent YACC actions (which might attempt to free them) from
82               // being reached. These strings are outstanding in the sense that they
83               // need to be cleaned up (not in the sense that they are excellent examples
84               // of strings).
85 mike  1.2     //
86           
87               Array<char*> outstandingStrings;
88           };
89           
90           PEGASUS_NAMESPACE_END
91           
92           #endif /* Pegasus_WQLParserState_h */