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File: [Pegasus] / pegasus / src / Pegasus / FQL / FQLParserState.h
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Revision: 1.1, Mon Nov 10 21:41:04 2014 UTC (9 years, 7 months ago) by karl Branch: MAIN CVS Tags: RELEASE_2_14_1, RELEASE_2_14_0-RC2, RELEASE_2_14_0-RC1, RELEASE_2_14_0, RELEASE_2_14-root, RELEASE_2_14-branch, HEAD BUG#: 9928 TITLE: Initial FQL implementation per DMTF specification DSP0212 DESCRIPTION: Commit of initial FQL (Filter Query Language) implementation including 1) FQL parser and evaluator, 2 FQL integration into CIMOperationRequestDispatcher.cpp, 3)FQL unit and end-end tests in FQL/tests/Parser and FQL/tests/clitest and FQL tests added to cimcli tests in src/Clients/cimcli/tests/Makefile |
//%LICENSE//////////////////////////////////////////////////////////////// // // Licensed to The Open Group (TOG) under one or more contributor license // agreements. Refer to the OpenPegasusNOTICE.txt file distributed with // this work for additional information regarding copyright ownership. // Each contributor licenses this file to you under the OpenPegasus Open // Source License; you may not use this file except in compliance with the // License. // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the "Software"), // to deal in the Software without restriction, including without limitation // the rights to use, copy, modify, merge, publish, distribute, sublicense, // and/or sell copies of the Software, and to permit persons to whom the // Software is furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included // in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. // IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY // CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, // TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE // SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. // ////////////////////////////////////////////////////////////////////////// #ifndef Pegasus_FQLParserState_h #define Pegasus_FQLParserState_h #include <Pegasus/Common/Config.h> #include <Pegasus/Common/ArrayInternal.h> #include <Pegasus/FQL/FQLQueryStatement.h> PEGASUS_NAMESPACE_BEGIN /** This is an internal structure used for holding parser state information during parsing (while inside the FQLParser::parse() method). Instances of this class are created and destroyed by FQLParser::parse(). */ struct FQLParserState { // // Text containing SELECT statement (must be null-terminated). // const char* text; // // Size in bytes (including null terminator) of the text. // Uint32 textSize; // // Offset to current parser position in the above text. // Uint32 offset; // // The output object being initialized during parsing. This object is // set to point to the statement argument passed to the FQLParser::parse() // method. // FQLQueryStatement* statement; // // Set to true when there is an error (set by FQL_error()). // Boolean error; // // Error message if any (set by FQL_error()). // String errorMessage; // // A list of strings created by lexer. These are deleted by the // FQLParser when cleaning up in the parse() method. It is not possible // to reliably clean them up anywhere else due to potential parse errors // which prevent YACC actions (which might attempt to free them) from // being reached. These strings are outstanding in the sense that they // need to be cleaned up (not in the sense that they are excellent examples // of strings). // Array<char*> outstandingStrings; // // This tracks the current token position within the Select Statement // being parsed // This is incremented and cleared in FQL.l // Uint32 currentTokenPos; // // This tracks the token number we are curently processing. // This is incremented and cleared in CFQL.l // Uint32 tokenCount; // // This tracks the current rule in String format in the Select Statement // we are currently parsing // This is updated with each production in FQL.y // String currentRule; }; PEGASUS_NAMESPACE_END #endif /* Pegasus_FQLParserState_h */
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