mirror of
https://github.com/TorqueGameEngines/Torque3D.git
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125 lines
5.6 KiB
C++
125 lines
5.6 KiB
C++
//-----------------------------------------------------------------------------
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// Copyright (c) 2012 GarageGames, LLC
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//-----------------------------------------------------------------------------
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#ifndef _CONSOLE_PARSER_H_
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#define _CONSOLE_PARSER_H_
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#include <stdio.h>
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/// @ingroup console_system Console System
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/// @{
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namespace Compiler
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{
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//-----------------------------------------------------------------------------
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/// \brief Function for GetCurrentFile from the lexer
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//-----------------------------------------------------------------------------
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typedef const char *(*fnGetCurrentFile)();
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//-----------------------------------------------------------------------------
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/// \brief Function for GetCurrentLine from the lexer
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//-----------------------------------------------------------------------------
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typedef S32 (*fnGetCurrentLine)();
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//-----------------------------------------------------------------------------
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/// \brief Function for Parse from the lexer
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//-----------------------------------------------------------------------------
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typedef S32 (*fnParse)();
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//-----------------------------------------------------------------------------
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/// \brief Function for Restart from the lexer
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//-----------------------------------------------------------------------------
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typedef void (*fnRestart)(FILE *input_file);
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//-----------------------------------------------------------------------------
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/// \brief Function for SetScanBuffer from the lexer
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//-----------------------------------------------------------------------------
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typedef void (*fnSetScanBuffer)(const char *sb, const char *fn);
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//-----------------------------------------------------------------------------
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/// \brief List of parsers for the compiler
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//-----------------------------------------------------------------------------
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struct ConsoleParser
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{
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struct ConsoleParser *next; //!< Next object in list or NULL
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char *ext; //!< Filename extension handled by this parser
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fnGetCurrentFile getCurrentFile; //!< GetCurrentFile lexer function
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fnGetCurrentLine getCurrentLine; //!< GetCurrentLine lexer function
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fnParse parse; //!< Parse lexer function
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fnRestart restart; //!< Restart lexer function
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fnSetScanBuffer setScanBuffer; //!< SetScanBuffer lexer function
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};
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// Macros
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//-----------------------------------------------------------------------------
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/// \brief Declare a parser's function prototypes
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//-----------------------------------------------------------------------------
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#define CON_DECLARE_PARSER(prefix) \
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const char * prefix##GetCurrentFile(); \
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S32 prefix##GetCurrentLine(); \
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void prefix##SetScanBuffer(const char *sb, const char *fn); \
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S32 prefix##parse(); \
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void prefix##restart(FILE *input_file)
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//-----------------------------------------------------------------------------
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/// \brief Helper macro to add console parsers
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//-----------------------------------------------------------------------------
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#define CON_ADD_PARSER(prefix, ext, def) \
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Compiler::addConsoleParser(ext, prefix##GetCurrentFile, prefix##GetCurrentLine, prefix##parse, \
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prefix##restart, prefix##SetScanBuffer, def)
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//-----------------------------------------------------------------------------
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/// \brief Free the console parser list
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///
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/// \sa AddConsoleParser()
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//-----------------------------------------------------------------------------
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void freeConsoleParserList(void);
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//-----------------------------------------------------------------------------
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/// \brief Add a console parser to the list
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///
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/// \param ext Filename extension
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/// \param gcf GetCurrentFile function
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/// \param gcl GetCurrentLine function
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/// \param p Parse function
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/// \param r Restart function
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/// \param ssb SetScanBuffer function
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/// \param def true if this is the default parser (<b>Note:</b> set this only on the .tscript parser!)
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/// \return true for success, false for failure (out of memory)
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/// \sa FreeConsoleParserList(), ConsoleParser
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//-----------------------------------------------------------------------------
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bool addConsoleParser(char *ext, fnGetCurrentFile gcf, fnGetCurrentLine gcl, fnParse p, fnRestart r, fnSetScanBuffer ssb, bool def = false);
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//-----------------------------------------------------------------------------
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/// \brief Get the parser for a particular file based on its extension
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///
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/// \param filename Filename of file to obtain parser for
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/// \sa ConsoleParser
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//-----------------------------------------------------------------------------
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ConsoleParser * getParserForFile(const char *filename);
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} // end namespace Con
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/// @}
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#endif // _CONSOLE_PARSER_H_
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