version 1.1.2.1, 2001/12/02 20:36:49
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version 1.3, 2002/01/11 17:41:59
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#define Pegasus_WQLParserState_h | #define Pegasus_WQLParserState_h |
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#include <Pegasus/Common/Config.h> | #include <Pegasus/Common/Config.h> |
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#include <Pegasus/Common/Array.h> |
#include <Pegasus/WQL/WQLSelectStatement.h> | #include <Pegasus/WQL/WQLSelectStatement.h> |
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PEGASUS_NAMESPACE_BEGIN | PEGASUS_NAMESPACE_BEGIN |
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/** This is an internal structure used for holding parser state information |
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during parsing (while inside the WQLParser::parse() method). Instances |
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of this class are created and destroyed by WQLParser::parse(). |
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*/ |
struct WQLParserState | struct WQLParserState |
{ | { |
WQLParserState() { } |
// |
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// Text containing SELECT statement (must be null-terminated). |
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// |
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const char* text; |
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// |
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// Size in bytes (including null terminator) of the text. |
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// |
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Uint32 textSize; |
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// |
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// Offset to current parser position in the above text. |
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// |
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Array<Sint8> text; |
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Uint32 offset; | Uint32 offset; |
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// |
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// The output object being initialized during parsing. This object is |
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// set to point to the statment argument passed to the WQLParser::parse() |
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// method. |
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// |
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WQLSelectStatement* statement; | WQLSelectStatement* statement; |
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// |
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// Set to true when there is an error (set by WQL_error()). |
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// |
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Boolean error; | Boolean error; |
const String errorMessage; |
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// |
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// Error message if any (set by WQL_error()). |
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// |
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String errorMessage; |
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// |
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// A list of strings created by lexer. These are deleted by the |
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// WQLParser when cleaning up in the parse() method. It is not possible |
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// to reliably clean them up anywhere else due to potential parse errors |
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// which prevent YACC actions (which might attempt to free them) from |
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// being reached. These strings are outstanding in the sense that they |
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// need to be cleaned up (not in the sense that they are excellent examples |
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// of strings). |
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// |
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Array<char*> outstandingStrings; |
}; | }; |
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PEGASUS_NAMESPACE_END | PEGASUS_NAMESPACE_END |