diff options
| author | astrojhgu <astrojhgu@ed2142bd-67ad-457f-ba7c-d818d4011675> | 2008-12-15 07:26:12 +0000 |
|---|---|---|
| committer | astrojhgu <astrojhgu@ed2142bd-67ad-457f-ba7c-d818d4011675> | 2008-12-15 07:26:12 +0000 |
| commit | 1f4a944064bc42284c33e6b755353d191cf288e8 (patch) | |
| tree | c8cb2253dea5f395e0f867aa6976433bd3eb00de /muparser/muParserBytecode.h | |
| download | opt-utilities-1f4a944064bc42284c33e6b755353d191cf288e8.tar.bz2 | |
git-svn-id: file:///home/svn/opt_utilities@1 ed2142bd-67ad-457f-ba7c-d818d4011675
Diffstat (limited to 'muparser/muParserBytecode.h')
| -rw-r--r-- | muparser/muParserBytecode.h | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/muparser/muParserBytecode.h b/muparser/muParserBytecode.h new file mode 100644 index 0000000..d425990 --- /dev/null +++ b/muparser/muParserBytecode.h @@ -0,0 +1,148 @@ +/*
+ __________
+ _____ __ __\______ \_____ _______ ______ ____ _______
+ / \ | | \| ___/\__ \ \_ __ \/ ___/_/ __ \\_ __ \
+ | Y Y \| | /| | / __ \_| | \/\___ \ \ ___/ | | \/
+ |__|_| /|____/ |____| (____ /|__| /____ > \___ >|__|
+ \/ \/ \/ \/
+ Copyright (C) 2004-2006 Ingo Berg
+
+ 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 MU_PARSER_BYTECODE_H
+#define MU_PARSER_BYTECODE_H
+
+#include <cassert>
+#include <string>
+#include <stack>
+#include <vector>
+
+#include "muParserDef.h"
+#include "muParserError.h"
+#include "muParserToken.h"
+
+
+namespace mu
+{
+
+
+/** \brief Bytecode implementation of the Math Parser.
+
+ The bytecode contains the formula converted to revers polish notation stored in a continious
+ memory area. Associated with this data are operator codes, variable pointers, constant
+ values and function pointers. Those are necessary in order to calculate the result.
+ All those data items will be casted to the underlying datatype of the bytecode.
+
+ \author (C) 2004, 2005 Ingo Berg
+*/
+class ParserByteCode
+{
+public:
+ /** \brief Underlying type of the container.
+
+ The bytecode is a vector of this type containing control codes,
+ values and pointers. Values and pointer will be casted to this
+ type before their storage.
+ */
+ typedef bytecode_type map_type;
+
+private:
+
+ /** \brief Token type for internal use only. */
+ typedef ParserToken<value_type, string_type> token_type;
+
+ /** \brief Core type of the bytecode. */
+ typedef std::vector<map_type> storage_type;
+
+ /** \brief Position in the Calculation array. */
+ unsigned m_iStackPos;
+
+ /** \brief Core type of the bytecode. */
+ storage_type m_vBase;
+
+ /** \brief Size of a value entry in the bytecode, relative to TMapType size. */
+ const int mc_iSizeVal;
+
+ /** \brief Size of a pointer, relative to size of underlying TMapType.
+
+ \attention The size is related to the size of TMapType not bytes!
+ */
+ const int mc_iSizePtr;
+
+ /** \brief A value entry requires that much entires in the bytecode.
+
+ Value entry consists of:
+ <ul>
+ <li>One entry for Stack index</li>
+ <li>One entry for Token identifier</li>
+ <li>mc_iSizeVal entries for the value</li>
+ <ul>
+
+ \sa AddVal(TBaseData a_fVal)
+ */
+ const int mc_iSizeValEntry;
+
+ void StorePtr(void *a_pAddr);
+
+public:
+ ParserByteCode();
+ ~ParserByteCode();
+ ParserByteCode(const ParserByteCode &a_ByteCode);
+ ParserByteCode& operator=(const ParserByteCode &a_ByteCode);
+ void Assign(const ParserByteCode &a_ByteCode);
+
+ void AddVar(value_type *a_pVar);
+ void AddVal(value_type a_fVal);
+ void AddOp(ECmdCode a_Oprt);
+ void AddAssignOp(value_type *a_pVar);
+ void AddFun(void *a_pFun, int a_iArgc);
+ void AddStrFun(void *a_pFun, int a_iArgc, int a_iIdx);
+
+ void Finalize();
+ void clear();
+ const map_type* GetRawData() const;
+
+ /** \brief Return size of a value entry.
+
+ That many bytecode entries are necessary to store a value.
+
+ \sa mc_iSizeVal
+ */
+ unsigned GetValSize() const
+ {
+ return mc_iSizeVal;
+ }
+
+ /** \brief Return size of a pointer entry.
+
+ That many bytecode entries are necessary to store a pointer.
+
+ \sa mc_iSizePtr
+ */
+ unsigned GetPtrSize() const
+ {
+ return mc_iSizePtr;
+ }
+
+ void RemoveValEntries(unsigned a_iNumber);
+ void AsciiDump();
+};
+
+} // namespace mu
+
+#endif
+
+
|