avr/qmk/lufa - [no description]

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Diffstat (limited to 'Projects/TempDataLogger/Lib/FATFs/ff.c')

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/** Copyright (c) 2014 Alex Tsui 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 PARSE_HELPER_H #define PARSE_HELPER_H #include <string> #include <vector> #include <list> #include <memory> #include "ParseMessage.h" struct ParseListener; /** Helps chunk lines of Python code into compilable statements. */ class ParseHelper { public: struct Indent { std::string Token; Indent( ); Indent( const std::string& indent ); }; /** Handle different states of parsing. Subclasses override process(const std::string&) to handle different types of multiline statements. */ struct ParseState { ParseHelper& parent; ParseState( ParseHelper& parent_ ); virtual ~ParseState( ); /** Processes a single line of user input. Subclasses should return false if further processing should be done. In this case, the command buffer should be topped by the next statement to parse. \return whether processing of the line is done. */ virtual bool process(const std::string& str) = 0; }; struct ContinuationParseState : public ParseState { using ParseState::parent; ContinuationParseState( ParseHelper& parent_ ); virtual bool process( const std::string& str); }; /** Handle parsing a multiline indented block. Example of such a block: for i in range(10): print i print i*i */ struct BlockParseState : public ParseState { Indent indent; BlockParseState( ParseHelper& parent ); BlockParseState( ParseHelper& parent, const std::string& indent_ ); // return whether processing is finished virtual bool process(const std::string& str); // return if there was an error bool initializeIndent(const std::string& str); }; friend struct BlockParseState; struct BracketParseState : public ParseState { static const std::string OpeningBrackets; static const std::string ClosingBrackets; std::list<char> brackets; std::list<std::string> m_buffer; /** Return whether open brackets remain unclosed in \a str. */ static bool HasOpenBrackets(const std::string& str); static bool LoadBrackets(const std::string& str, std::list<char>* stack); BracketParseState( ParseHelper& parent, const std::string& firstLine ); virtual bool process(const std::string& str); }; protected: // TODO: Create a ContinuationParseState to handle this bool inContinuation; std::vector< ParseListener* > listeners; std::vector< std::shared_ptr< ParseState > > stateStack; std::vector< std::string > commandBuffer; public: static bool PeekIndent( const std::string& str, Indent* indent ); public: ParseHelper( ); public: void process( const std::string& str ); bool buffered( ) const; /** Generate a parse event from the current command buffer. */ void flush( ); /** Reset the state of the helper. */ void reset( ); bool isInContinuation( ) const; void subscribe( ParseListener* listener ); void unsubscribeAll( ); void broadcast( const ParseMessage& msg ); }; // class ParseHelper inline bool operator== ( const ParseHelper::Indent& a, const ParseHelper::Indent& b ) { return a.Token == b.Token; } inline bool operator!= ( const ParseHelper::Indent& a, const ParseHelper::Indent& b ) { return a.Token != b.Token; } #ifndef NDEBUG void print(const ParseHelper::Indent& indent); #endif #endif // PARSE_HELPER_H


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