1 mike  1.1.2.1 //%/////////////////////////////////////////////////////////////////////////////
 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  1.1.2.1 //==============================================================================
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 mike  1.1.2.3 #include <Pegasus/Common/Array.h>

35 mike  1.1.2.1 #include <Pegasus/WQL/WQLSelectStatement.h>
36               
37               PEGASUS_NAMESPACE_BEGIN
38               

39 mike  1.1.2.4 /** 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  1.1.2.1 struct WQLParserState
44               {

45 mike  1.1.2.3     //
46                   // Text containing SELECT statement (must be null-terminated).
47                   //
48               

49 mike  1.1.2.1     Array<Sint8> text;

50 mike  1.1.2.3 
51                   //
52                   // Offset to current parser position in the above text.
53                   //
54               

55 mike  1.1.2.1     Uint32 offset;

56 mike  1.1.2.3 
57                   //

58 mike  1.1.2.4     // 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 mike  1.1.2.3     //
62               

63 mike  1.1.2.1     WQLSelectStatement* statement;

64 mike  1.1.2.3 
65                   //
66                   // Set to true when there is an error (set by WQL_error()).
67                   //
68               

69 mike  1.1.2.1     Boolean error;

70 mike  1.1.2.3 
71                   //
72                   // Error message if any (set by WQL_error()).
73                   //
74               

75 mike  1.1.2.2     String errorMessage;

76 mike  1.1.2.3 
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                   //
86               
87                   Array<char*> outstandingStrings;

88 mike  1.1.2.1 };
89               
90               PEGASUS_NAMESPACE_END
91               
92               #endif /* Pegasus_WQLParserState_h */