Class Error Gcc Parse Syntax
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the eclipse disable syntax error company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions eclipse packed syntax error Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Eclipse CDT syntax error on class declaration up vote 0 down vote favorite Just installed CDT for eclipse, with MinGW gcc. C program "HelloWorld" compiles and runs ok. But tried adding a class declaration in a new .h file to it. Syntax error on class definition. Tried writing my own class declaration and using the new class wiz. Have used many other C++ ide's other than eclipse. Would like to use eclipse for team integration. What's the eclipse secret to get class declaration to work? Here's the errors: gcc -O0 -g3 -Wall -c -fmessage-length=0 -o src\main.o ..\src\main.c In file included from ../src/main.c:10: ../src/Logger.h:11: parse error before "Logger" ../src/Logger.h:11: syntax error before '{' token Here's the class header file "Logger.h" where the error occurs. #ifndef LOGGER_H_ #define LOGGER_H_ class Logger { public: Logger(); virtual ~Logger(); }; #endif /* LOGGER_H_ */ eclipse gcc mingw declaration cdt share|improve this question asked Apr 5 '12 at 13:53 scorpdaddy 22617 add a comment| 1 Answer 1 active oldest votes up vote 0 down vote The project created in Eclipse was created as a C project, not a C++ project. Hence the absence of support for class declaration. Solution: Created a new project using C++ type, moved the code to the new C++ project, deleted the old C project, renamed the new C++ project to the desired name, and ran clean & rebuild. share|improve this answer answered Apr 6 '12 at 1:28 scorpdaddy 22617 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign up using Facebook Sign up using Email and Password Post as a guest Name Email Post as a guest Name Email discard By posting your answer, you agree to the privacy policy and terms of service. Not the answer you're looking for? Browse other questions tagged eclipse gcc mingw declaration cdt or ask your o
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Syntax error with different gcc version? up vote 1 down vote favorite I wrote a program in C with Ubuntu Linux and now I need http://stackoverflow.com/questions/10029952/eclipse-cdt-syntax-error-on-class-declaration to port it over to a UNIX machine (or what I believe to be a UNIX box). It compiles fine on my Ubuntu with GCC but when I try to compile it with GCC on the UNIX box, it gives this error: a.c: In function `goUpDir': a.c:44: parse error before `char' a.c:45: `newDir' undeclared (first use in this function) a.c:45: (Each undeclared identifier is reported only once a.c:45: for each function it appears in.) a.c: In http://stackoverflow.com/questions/154902/syntax-error-with-different-gcc-version function `goIntoDir': a.c:54: parse error before `char' a.c:57: `newDir' undeclared (first use in this function) a.c:57: `oldDir' undeclared (first use in this function) The main problems seem to be the parse error before char (the others are related) 44 char newDir[50] = ""; 54 char* oldDir = (char*)get_current_dir_name(); These are just simple C-style strings declarations. Is there a header file that I need to include to get it to work in UNIX? P.S. what is the command to see what version of unix and which version of gcc you are using? Knowing this will allow me to be more specific in my question. Thanks c gcc syntax-error share|improve this question edited Oct 3 '08 at 4:50 Andy Lester 50.6k1166121 asked Sep 30 '08 at 20:28 Mike What is before the char? On the line before? Also use the "code" tag to format your code so it is readable. –Doug T. Sep 30 '08 at 20:32 For GCC: gcc --version For Unix: uname -a –Jonathan Leffler Oct 1 '08 at 14:02 add a comment| 9 Answers 9 active oldest votes up vote 3 down vote accepted If you are compiling pure C, variables must be declared on the beggining of the functions. I mention this because most people compile their C programs using C++ compilers, which offers then some resources not normally availa
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more http://unix.stackexchange.com/questions/91546/error-with-class-locale-with-gcc-2-96 about Stack Overflow the company Business Learn more about hiring developers or posting ads https://en.wikipedia.org/wiki/Most_vexing_parse with us Unix & Linux Questions Tags Users Badges Unanswered Ask Question _ Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best syntax error answers are voted up and rise to the top Error with Class locale with gcc 2.96 up vote 1 down vote favorite I am using Red Hat Linux release 9 Kernel 2.4.20-8 on an i686 with gcc version 2.96. In my code I am declaring like, std::locale utf8_locale; I am getting this error: syntax error before `;' Please suggest me with a solution. gcc share|improve this question edited Sep 20 '13 class error gcc at 7:58 Michael Kjörling 10.8k53164 asked Sep 20 '13 at 7:43 user234559 61 2 I'm not sure whether to upvote this because it's a clear question, or downvote it because it's asking about software that is well over ten years old, so I'm leaving it at ±0. –Michael Kjörling Sep 20 '13 at 8:11 1 @MichaelKjörling: Aw, don't beat up on the poor newbie. It wasn't that long ago that I had to back-port some recent software to FreeBSD 4. –Warren Young Sep 20 '13 at 9:16 @WarrenYoung That's why I didn't downvote. :) The question is most definitely clear, which (particularly coming from a newcomer to Stack Exchange) most definitely earns it a bonus point in my book. And I'm hoping my answer is helpful, even though it might not be exactly what the OP was hoping for. –Michael Kjörling Sep 20 '13 at 9:45 add a comment| 1 Answer 1 active oldest votes up vote 2 down vote Linux 2.4.20 came out in November 2002. GCC 3.0.4 came out in February 2002. There never was an official 2.96; 2.96 was an internal development version which is both forward and backward incompatible in its binary formats, and presumably was never guaranteed to work the way e
(2001).[1] It is formally defined in section 8.2 of the C++ language standard.[2] Contents 1 Example with classes 2 Example with functions 3 Uniform initialization syntax 4 References 5 External links Example with classes[edit] An example is: class Timer { public: Timer(); }; class TimeKeeper { public: TimeKeeper(const Timer& t); int get_time(); }; int main() { TimeKeeper time_keeper(Timer()); return time_keeper.get_time(); } The line TimeKeeper time_keeper(Timer()); is seemingly ambiguous, since it could be interpreted either as a variable definition for variable time_keeper of class TimeKeeper, initialized with an anonymous instance of class Timer or a function declaration for a function time_keeper which returns an object of type TimeKeeper and has a single (unnamed) parameter which is a function returning type Timer (and taking no input). (See Function object#In C and C++) Most programmers expect the first, but the C++ standard requires it to be interpreted as the second. For example, g++ gives the following error message: $ g++ -c time_keeper.cc time_keeper.cc: In function ‘int main()’: time_keeper.cc:15: error: request for member ‘get_time’ in ‘time_keeper’, which is of non-class type ‘TimeKeeper(Timer (*)())’ Notice that the compiler gives the error message about the return statement of main(): since it interpreted the declaration of time_keeper as a function declaration we won't be able to call the member function get_time() on this. Clang++ provides a warning: $ clang++ time_keeper.cc timekeeper.cc:14:25: warning: parentheses were disambiguated as a function declaration [-Wvexing-parse] TimeKeeper time_keeper(Timer()); ^~~~~~~~~ timekeeper.cc:14:26: note: add a pair of parentheses to declare a variable TimeKeeper time_keeper(Timer()); ^ ( ) timekeeper.cc:15:21: error: member reference base type 'TimeKeeper (Timer (*)())' is not a structure or union return time_keeper.get_time(); ~~~~~~~~~~~^~~~~~~~~ One way to force the compiler to consider this as a variable definition is to add an extra pair of parentheses: TimeKeeper time_keeper( (Timer()) ); Example with functions[edit] An even simpler example appears when a functional cast is intended to convert an expression for initializing a variable or passing to a constructor parameter void f(double adouble) { int i(int(adouble)); } In this case, the parentheses around "adouble" are superfluous and the declaration of "i" is again a function declaration equivalent to the following // takes an integer and returns an integer int i(int adouble); To disambiguate this in favour of a variable declaration, the same technique can be used as for the f