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authorAndy Cedilnik <andy.cedilnik@kitware.com>2005-10-17 20:42:47 (GMT)
committerAndy Cedilnik <andy.cedilnik@kitware.com>2005-10-17 20:42:47 (GMT)
commit985d092d4d9f6d38c794755c3c64405ef7ec8d35 (patch)
tree382b35ed4376ba936acb4f160dd4fc5b76173dc6 /Source/cmExprParserHelper.h
parent427ed70363ad4aea83e071f46d9704f69472017d (diff)
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ENH: Add rudamentary mathematical expression support
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+/*=========================================================================
+
+ Program: CMake - Cross-Platform Makefile Generator
+ Module: $RCSfile$
+ Language: C++
+ Date: $Date$
+ Version: $Revision$
+
+ Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
+ See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
+
+ This software is distributed WITHOUT ANY WARRANTY; without even
+ the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ PURPOSE. See the above copyright notices for more information.
+
+=========================================================================*/
+#ifndef cmExprParserHelper_h
+#define cmExprParserHelper_h
+
+#include "cmStandardIncludes.h"
+
+#define YYSTYPE cmExprParserHelper::ParserType
+#define YYSTYPE_IS_DECLARED
+#define YY_EXTRA_TYPE cmExprParserHelper*
+#define YY_DECL int cmExpr_yylex(YYSTYPE* yylvalp, yyscan_t yyscanner)
+
+/** \class cmExprParserHelper
+ * \brief Helper class for parsing java source files
+ *
+ * Finds dependencies for java file and list of outputs
+ */
+
+class cmMakefile;
+
+class cmExprParserHelper
+{
+public:
+ typedef struct {
+ int Number;
+ } ParserType;
+
+ cmExprParserHelper();
+ ~cmExprParserHelper();
+
+ int ParseString(const char* str, int verb);
+
+ int LexInput(char* buf, int maxlen);
+ void Error(const char* str);
+
+ void SetResult(int value);
+
+ int GetResult() { return m_Result; }
+
+ void SetLineFile(long line, const char* file);
+
+ const char* GetError() { return m_Error.c_str(); }
+
+private:
+ cmStdString::size_type InputBufferPos;
+ cmStdString InputBuffer;
+ std::vector<char> OutputBuffer;
+ int CurrentLine;
+ int UnionsAvailable;
+ int Verbose;
+
+ void Print(const char* place, const char* str);
+
+ void CleanupParser();
+
+ int m_Result;
+ const char* m_FileName;
+ long m_FileLine;
+ std::string m_Error;
+};
+
+#endif
+
+
+