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POC++ trying to use #ifndef and #include statements
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copied!<p>Ok, so I'm a HTML/Javascript/PHP professional, but I'm trying to learn C++. I'm still a newbie at it, and I have a C++ programming project that I have errors with.</p> <p>The file that contains int main() is 'football.cpp', and I have .h and .cpp files for three classes that I have to use: Game, Team, and Date. Each instance of Team contains a vector of Games, and each Game contains a Date. Date does not contain instances of any other class.</p> <p>I am trying to find a way to use #include and #ifndef statements at the tops of the files so that I don't get errors when I compile, but I haven't found a combination that works. I am not sure if there are other bugs. Here's my current #include sections, not counting other libraries:</p> <p>football.cpp</p> <pre><code>#include "game.h" #include "team.h" #include "date.h" </code></pre> <p>team.h</p> <pre><code>#ifndef __game_h_ #define __game_h_ #endif </code></pre> <p>team.cpp</p> <pre><code>#include "team.h" #ifndef __game_h_ #define __game_h_ #endif </code></pre> <p>game.h</p> <pre><code>#ifndef __date_h_ #define __date_h_ #endif </code></pre> <p>game.cpp</p> <pre><code>#include "game.h" #ifndef __date_h_ #define __date_h_ #endif </code></pre> <p>date.cpp</p> <pre><code>#include "date.h" </code></pre> <p>I use Cygwin g++ compiler, and the line I use to compile it is:</p> <pre><code>g++ football.cpp team.cpp game.cpp date.cpp -o football.exe </code></pre> <p>Here are all the errors I get: (WARNING, WALL OF TEXT)</p> <pre><code>$ g++ football.cpp team.cpp game.cpp date.cpp -o football.exe In file included from football.cpp:9:0: game.h:15:96: error: ‘Date’ has not been declared game.h:24:1: error: ‘Date’ does not name a type game.h:37:1: error: ‘Date’ does not name a type football.cpp: In function ‘int main(int, char*)’: football.cpp:65:70: error: no matching function for call to ‘Game::Game(std::string&, std::string&, int [5], int [5], Date&)’ game.h:15:1: note: candidates are: Game::Game(std::string, std::string, const int, const int*, int) game.h:14:1: note: Game::Game() game.h:10:12: note: Game::Game(const Game&) In file included from team.cpp:4:0: team.h:24:8: error: ‘Game’ was not declared in this scope team.h:24:12: error: template argument 1 is invalid team.h:24:12: error: template argument 2 is invalid team.cpp: In member function ‘float Team::getStat3()’: team.cpp:36:26: error: request for member ‘size’ in ‘((Team*)this)->Team::games’, which is of non-class type ‘int’ team.cpp:37:21: error: invalid types ‘int[int]’ for array subscript team.cpp:37:50: error: invalid types ‘int[int]’ for array subscript team.cpp:38:21: error: invalid types ‘int[int]’ for array subscript team.cpp:38:47: error: invalid types ‘int[int]’ for array subscript team.cpp:38:76: error: invalid types ‘int[int]’ for array subscript team.cpp:38:106: error: invalid types ‘int[int]’ for array subscript team.cpp: In function ‘bool compare2(Team, Team)’: team.cpp:45:39: error: request for member ‘size’ in ‘t1.Team::games’, which is of non-class type ‘const int’ team.cpp:46:39: error: request for member ‘size’ in ‘t2.Team::games’, which is of non-class type ‘const int’ team.cpp:50:17: error: request for member ‘size’ in ‘t1.Team::games’, which is of non-class type ‘const int’ team.cpp:50:35: error: request for member ‘size’ in ‘t2.Team::games’, which is of non-class type ‘const int’ team.cpp:52:24: error: request for member ‘size’ in ‘t1.Team::games’, which is of non-class type ‘const int’ team.cpp:52:43: error: request for member ‘size’ in ‘t2.Team::games’, which is of non-class type ‘const int’ team.cpp: In function ‘bool compare3(Team, Team)’: team.cpp:62:29: error: passing ‘const Team’ as ‘this’ argument of ‘float Team::getStat3()’ discards qualifiers team.cpp:63:29: error: passing ‘const Team’ as ‘this’ argument of ‘float Team::getStat3()’ discards qualifiers In file included from game.cpp:5:0: game.h:15:96: error: ‘Date’ has not been declared game.h:24:1: error: ‘Date’ does not name a type game.h:37:1: error: ‘Date’ does not name a type game.cpp: In constructor ‘Game::Game()’: game.cpp:26:3: error: ‘date’ was not declared in this scope game.cpp:26:15: error: ‘Date’ was not declared in this scope game.cpp: At global scope: game.cpp:29:94: error: ‘Date’ has not been declared game.cpp:29:1: error: prototype for ‘Game::Game(std::string, std::string, int*, int*, int)’ does not match any in class ‘Game’ game.h:10:12: error: candidates are: Game::Game(const Game&) game.h:15:1: error: Game::Game(std::string, std::string, const int*, const int*, int) game.cpp:13:1: error: Game::Game() game.cpp: In member function ‘int Game::getVisitingScore(int) const’: game.cpp:80:10: error: ‘visitingScores’ was not declared in this scope game.cpp: At global scope: game.cpp:94:1: error: ‘Date’ does not name a type </code></pre> <p><br /> Will edit if further clarification is needed, although I don't think it will be.</p> <p>Any help would be vastly appreciated.</p>

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