Error c2143 syntax error missing

error c2143 syntax error missing

github.com › boostorg › build › issues. error C2143: syntax error: missing ';' before ' '..NET Framework Forums on Bytes. [Solved]-error C2143: syntax error missing ')' before 'constant'-C++ 11 (the number one, twice) is not a valid variable name; identifiers must start with a.

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Compiler Error C2143

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syntax error : missing 'token1' before 'token2'

The compiler expected a specific token (that is, a language element other than white space) and found another token instead.

Check the C++ Language Reference to determine where code is syntactically incorrect. Because the compiler may report this error after it encounters the line that causes the problem, error c2143 syntax error missing, check several lines of code that precede the error.

C2143 can occur in different situations.

It can occur when an operator that can qualify a name (,and ) must be followed by the keywordas in this example:

By default, C++ assumes that isn't a template; therefore, the following is interpreted as a less-than sign. You must tell the compiler explicitly that is a template so that it can correctly parse the angle bracket. To correct this error, use the keyword on the dependent type's name, as shown here:

C2143 can occur when /clr is used and a directive has a syntax error:

It can also occur when you are trying to compile a source code file by using CLR syntax without also using /clr:

The first non-whitespace character that follows an statement must be a left parenthesis. The compiler cannot translate anything else:

C2143 can occur when a closing brace, parenthesis, or semicolon is missing on the line where the error is detected or on one of the lines just above:

Or when there's an invalid tag in a class declaration:

Or when a label is not attached to a statement. If you must place a label by itself, for example, at the end of a compound statement, attach it to a null statement:

The error can occur when an unqualified call is made to a type in the C++ Standard Library:

Or there is a missing keyword:

Or if you try to define an explicit instantiation:

In a C program, variables must be declared at the beginning of the function, error c2143 syntax error missing, and they cannot be declared after the function executes non-declaration instructions.

Syntax error: missing ';' before '*'

i cannot seem to get this one working.
whenever i move the #include “Tank.h” to the Tankplayercontroller.cpp, it gives me this error in unreal (no intellisense issue though):
CompilerResultsLog: Error c2143 syntax error missing C:\Unreal Projects\UnrealTankGame\BattleTank\Source\BattleTank\TankPlayerController.h(23) : error C2143: syntax error: missing ‘;’ before ‘*’
CompilerResultsLog: Error: C:\Unreal Projects\UnrealTankGame\BattleTank\Source\BattleTank\TankPlayerController.h(23) : error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
CompilerResultsLog: Error: C:\Unreal Projects\UnrealTankGame\BattleTank\Source\BattleTank\TankPlayerController.h(23) : error C2238: unexpected token(s) preceding ‘;’

there is no such syntax error because everything works fine when the include in the .h file.

same issue if i move the #include “TankPlayerController.h” from tank.h to tank.cpp.
CompilerResultsLog: Error: C:\Unreal Projects\UnrealTankGame\BattleTank\Source\BattleTank\Tank.h(24) : error C2143: syntax error: missing ‘;’ before ‘*’
CompilerResultsLog: Error: C:\Unreal Projects\UnrealTankGame\BattleTank\Source\BattleTank\Tank.h(24) : error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
CompilerResultsLog: Error: C:\Unreal Projects\UnrealTankGame\BattleTank\Source\BattleTank\Tank.h(24) : error C2238: unexpected token(s) preceding ‘;’

the lines in question are:
ATank * GetControlledTank() const; // in tankplayercontroller.h
UTankAimingComponent * TankAimingComponent = nullptr; // in tank.h

i honestly dont understand how it Should work, as in - how can the compiler know what ATank/UTankAimingComponent is if its not declared anywhere in the file.h, but instead declared in the cpp file that includes this one? is this somehow gets rearranged in the .obj file?

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    Thread: error C2143: syntax error : missing ';' before '<'

    1. November 5th, 2003, 09:49 PM#1

      error C2143: syntax error : missing ';' before '<'

      I'm getting the following error when I try to build my project.
      The file that seems to be giving me the problem is the following header file.

      Here is the error:

      world.h(27) : error C2143: syntax error : missing ';' before '<'

      I know the problem is that it doesn't know what "NewList<Item>" is but this is a template class so I can't seem to declare the class at the beginning like I did with the others.

      Any idea how I can get this to work?

      Code:

      #ifndef _WORLD_H_ #define _WORLD_H_ htaccess log error #include"Character.h"#include"Monsters.h"#include"Item.h"#include"Lists.h"#include <iostream> class Item; class Character; class Monsters; class World { public: World(); ~World(); Item *FirstItem, *LastItem, *Empty; error c2143 syntax error missing Character *PlayerCharacter; Monsters *FirstMob; NewList<Item> *WeaponChoices, *ArmorChoices, *RingChoices, *AmuletChoices, *PotionChoices, *MiscChoices; //MagicList *PrefixChoices;void CreateItem(); void CreateChar(); void CreateMob(); void DisplayChar(); void DisplayMob(); void Inventory(); void DisplayItems(); void PickUpItem(); int GoodChoice(intinterror c2143 syntax error missing, int );//lowest, Num, error c2143 syntax error missing, highest }; #endif
      Last edited by Yves M; November 6th, 2003 at 02:59 PM.

    2. Did you include the header file that contains the declaration of NewList? Check the declaration of NewList.

      BTW, since you have already included the header for Item, error c2143 syntax error missing, Monsters and Character, there is no need to forward declare them.


    3. November 6th, 2003, 06:12 AM#3

      Yes the header for NewList<Item> is #include "Lists.h"

      "BTW, error c2143 syntax error missing, since you have already included the header for Item, Monsters and Character, there is no need to forward declare them."

      i thought that too but the compliler(Visual C++ 6.0) gives me a similar error if I dont forward declare them.

      Any ideas? Here is the Header file if that helps.

      Code:

      #ifndef LISTS_H #define LISTS_H #include <iostream> #include"Item.h"usingnamespace std; class Item; ////////////////////////////////////////////////////////////////////////NewList//////////////////////////////////////////////////////////////////////template <class T> class NewList { public: NewList(char *FileName); NewList(int, int, NewList *,constint itemType);//level, photoprint rip error, Choices ~NewList(); int numChoices; T *List; protected: void GotEOF(int BadItem, char *FName); }; ////////////////////////////////////////////////////////////////////////ITEMLIST CONSTRUCTOR//////////////////////////////////////////////////////////////////////template <class T> NewList<T>::NewList(char *FileName) { int i; char buf&#091;50&#093;, *temp; //Open up error c2143 syntax error missing file ifstream ItemFile(FileName); //If there isn't a file, error c2143 syntax error missing, throw oserror [errno 13] permission denied exception.if (ItemFile.bad()) { numChoices = 0; GotEOF(0, FileName); } else// cout << endl << ItemFile.bad();//Find the number of choices in the file ItemFile >> numChoices; //Create a new list that is big enough to hold//all of these choices. List = new Item&#091;numChoices&#093;; //Read all of the choices out of the filefor (i = 0; i < numChoices; i++) error c2143 syntax error missing { //If we've already hit an end of file, then//something is wrong.if (ItemFile.eof()) GotEOF(i, FileName); ItemFile >> List&#091;i&#093.itemNumber; ItemFile >> buf;//gets the next peice of data from the file and puts in the the char array buffor (int x = 0; x < 50; x++)//This routine takes the underscores and changes them to spaces { if (buf&#091;x&#093; == '_') buf&#091;x&#093; = ' '; } temp = newchar&#091;strlen(buf)+1&#093;; strcpy(temp, buf); List&#091;i&#093.name = temp; ItemFile >> List&#091;i&#093.itemMinDamage; ItemFile >> List&#091;i&#093.itemMaxDamage; ItemFile >> List&#091;i&#093.itemDelay; ItemFile >> List&#091;i&#093.damageType; ItemFile >> List&#091;i&#093.armor; ItemFile >> List&#091;i&#093.strength; ItemFile >> List&#091;i&#093.vitality; ItemFile >> List&#091;i&#093.dexterity; ItemFile >> List&#091;i&#093.wisdom; ItemFile >> List&#091;i&#093.intelligence; ItemFile >> List&#091;i&#093.mana; ItemFile >> List&#091;i&#093.hitPoints; ItemFile >> List&#091;i&#093.chanceToHit; ItemFile >> List&#091;i&#093.slot; ItemFile >> List&#091;i&#093.value; ItemFile >> List&#091;i&#093.level; ItemFile >> List&#091;i&#093.reqStr; ItemFile >> List&#091;i&#093.reqVit; ItemFile >> List&#091;i&#093.reqDex; ItemFile >> List&#091;i&#093.reqWis; ItemFile >> List&#091;i&#093.reqInt; } //Be polite and close the file ItemFile.close(); } ////////////////////////////////////////////////////////////////////////ITEMLIST CONSTRUCTOR//this parses through the list to find valid choices, then makes a new list//with those choices//////////////////////////////////////////////////////////////////////template <class T> NewList<T>::NewList(int level, int maxChoices, NewList *Choices, constint itemType) { int counter = 0, i = 0, lowLevel = 0; _timeb tstruct; _ftime( &tstruct ); srand(((unsigned)time( NULL ) + tstruct.millitm )); // cout << "tstruct.millitm " << tstruct.millitm << endl; Sleep(1); lowLevel = (rand() % 10 + 1) - level; if (lowLevel <= 0) lowLevel = 1; elseif (lowLevel > level) lowLevel = level; //parse through list and count how many choiceswhile (counter <= 0) { for ( i = 0; i < maxChoices; i++) { if (Choices->List&#091;i&#093.level >= lowLevel && Choices->List&#091;i&#093.level <= (level + 2)) { //cout << endl << "Name of choices :" << Choices->List&#091;i&#093.name; counter++; } }//end forif (counter <= 0) if (level > 1) level--; else { level = 1; break; } } //create a temp list List = new Item&#091;counter&#093;; int x = 0; for (i = 0; i < maxChoices; i++) { if (Choices->List&#091;i&#093.level >= lowLevel && Choices->List&#091;i&#093.level <= (level + 2)) { List&#091;x&#093; = Choices->List&#091;i&#093;; x++; } }//end for numChoices = counter; } ////////////////////////////////////////////////////////////////////////ItemList Destructor//////////////////////////////////////////////////////////////////////template <class T> NewList<T>::~NewList() { //Free the array space itselfdelete List; } ////////////////////////////////////////////////////////////////////////ITEMLIST GOTEOF//////////////////////////////////////////////////////////////////////template <class T> void NewList<T>::GotEOF(int BadItem, char *FName) { ItemError Err; //Fill in the name and last item that was read Err.LastItem = BadItem; Err.FileName = FName; //Throw the exceptionthrow Err; } ////////////////////////////////////////////////////////////////////////ITEM ERROR//////////////////////////////////////////////////////////////////////class ItemError { public: int LastItem; char *FileName; void PrintError(); }; #endif
      Last edited by Yves M; November 6th, 2003 at 02:59 PM, error c2143 syntax error missing.

    4. November 6th, 2003, 10:02 AM#4

      If I do not forward declare them I get the following error:

      error C2143: syntax error : missing ';' before '*'

      the error refers me to line:

      Item *FirstItem,


      Here is the code without the forward declares:

      world.h

      Code:

      #ifndef WORLD_H #define WORLD_H //#include <iostream>//#include <string>//using namespace std; #include "Item.h" #include "Character.h" #include "Monsters.h"//class Item;//class Character;class World { public: World(); ~World(); Item *FirstItem, *LastItem, *Empty; Character *PlayerCharacter; Monsters *FirstMob; NewList<Item> *WeaponChoices, *ArmorChoices, *RingChoices, *AmuletChoices, mw3 directx error *PotionChoices, *MiscChoices; //MagicList *PrefixChoices;void CreateItem(); void CreateChar(); void CreateMob(); void DisplayChar(); void DisplayMob(); void Inventory(); void DisplayItems(); void PickUpItem(); int GoodChoice(intintint );//lowest, Num, error c2143 syntax error missing, highest }; #endif
      --------------------

      You can see even though the headers for the classes are there It still gives an error unless I forward declare.

      headers:

      #include "Item.h"
      #include "Character.h"
      Last edited by Yves M; November 6th, 2003 at 02:54 PM.

    5. Well, the problem is most likely in Item.h.

      By the way, when you paste source-code, you can use the &#091;code&#093; and &#091;/code&#093; tags to make your source-code look nicer.

      P.S. What are you actually writing ? An RPG ?
      Last edited by Yves M; November 6th, 2003 at 02:53 PM.

      Get this small utility to do basic syntax highlighting in vBulletin forums (like Codeguru) easily.
      Supports C++ and VB out of the box, but can be configured for other languages.


    6. Originally posted by avandi
      If I do not forward declare them I get the following error:

      error C2143: syntax error : missing ';' before '*'

      the error refers me to line:

      Item *FirstItem,
      Post Item.h.

      Also, error c2143 syntax error missing, to prove or disprove that Item.h is actually being used at all, place the following line in item.h (somewhere in the Item class).

      Code:

      #pragma message ("The Item class has been found by the compiler") class Item { // Your Item class stuff };
      When you compile your code, the message "The Item class has been found by the compiler" will be written to the compiler output window if you are including Item.h. If you don't see this message, then something caused the Item class to not be included -- maybe an #ifdef or #if gone haywire, or some other cause.

      Regards,

      Paul McKenzie

    7. November 8th, 2003, 07:10 AM#7

      I just wanted to thank everyone for their help, I finally got it working (for now).
      and yes its an RPG.


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    Some Common Syntax Errors and Warnings 

    Created by Theodora Yeung

    Others

    This is just a few of the possible syntax errors you may have come across when programming in C using MSVC.
    Under each of the errors or warnings is listed the possible cause(s) and a possible fix. Please note that you may get the same error or warning for totally different reasons.

    If error c2143 syntax error missing got one or more of the listed warnings, do NOT ignore them.



    fatal error C1004: unexpected end of file found

         This usually means that you are missing a close curly bracket ( }) near the end of the file. Double check that your curly brackets
          are matching.



    error C2001: newline in constant

        This error is usually caused by syntax error at printf statements.

            Possibilities:
            1) missing a close quotation ( " ) at the end of the string that you want to error c2143 syntax error missing example:  printf ( " string I want to print  );

            2) the string is span over 2 or more lines (separated by return character, or you have hit return to break the string into 2 or more lines)
                    example:  printf ( " continue printing,
                                                     don't want a wrap around on printout " ) ;

                 fix:       a) add in quotation marks
                                    printf ( " constinue printing, "
                                                    " don't want to wrap around on printout " ) ;

                            b) 2 separate printfs
                                    printf ( " continue printing, " ) ;
                                    printf ( " don't want to wrap around on printout " ) ;


    error C2017: illegal escape sequence

        Chances are you have a misplaced escape character like " \n " or " \t ".
                example: "\n" is placed outside quotation of a printf statement.
                                printf ( " printing "  \n );

               fix:            printf ( " printing \n " );


    error C2059:syntax error : 'type' / syntax error : ';'

        The cause that I know (more than likely, there will be billions other causes), error c2143 syntax error missing, you have two function with the same name but different
        return type. These errors follow other error like " error C2061: syntax error : identifier 'function1' ", where 'function1' is the name of
        the function that caused the error ( in the case I know )

                exmaple:    function prototype of 2 functions with the same name but different return type.
                                  int function1( int );
                                  bool function1( int );

                fix:    Rename one of them (but chances are you probably only need one of them or one of them is a result of a typo).


    error C2059:syntax error : '}'

      If you are not missing a ' } ' at the line that the error message points to, you are probably missing one somewhere above that point.
              You could also get this error message if you have too many ' }'. Double check that your curly brackets ( ' { ' and ' } ' ) are matching
              correctly.


    error C2059: syntax error : ')'

            You probably got this error because your parenthesis are not matching correctly. Take a careful look at the error c2143 syntax error missing the error message
            points to.


     error C2143: syntax error : missing ';' before 'type'

            If this error message points you to the begining of a function, you miles error css missing a ' } ' before that line.

           example:
                                    void function1(int s){
                                             if  ( s > 0) {
                                                    printf ( " s > 0 " );
                                            }
                                            else {
                                                    printf ( " s <= 0 " );
                                    }                                    /* you are missing a ' }' right here */
                                                                       /* there are 3 '{ ' in this function, (1 at the begining of the function, 1 from the if statements and
                                                                            1 from the else statement) but only 2 ' } ' */

                                    void function2 (int i) {    /* if the error message points to this line */
                                             printf( " CSE /ENGR 142 " ) ;
                                     } 


    error C2146: syntax error : missing ')' before identifier 'i' ( at printf statements)

            You are probably not missing a ' ) '  but a comma () instead.
            example:
                      printf ( " printing %d \n "  i );
            fix:
                      printf ( " printing %d \n " ,  i );


    error C2296:'%' : illegal, left operand has type 'const double '
    error C2297: '%' : illegal, right operand has type 'const double '

            Both operands of the mod operator ( % ) have to be of type int. It doesn't work with type double.
               example:   int s =  1.00000  % 9.999999;


    error C2100: illegal indirection

        You probably have de-referenced a variable that is not a pointer. You may also get this error if you put a pointer as the index
        to an array.

        example:
                    int i = 0, j =0;    /* 2 integer variable */
                    int *k;  /* pointer to integer */

                    *k = *i   /* i is not a pointer, cannot be de-referenced */
                    j = **k ;  /* k is a pointer, de-referenced once (*k) gives an int, de-reference again. some case as *i */


    error C2106: '=' : left operand must be l-value

            You are probably assigning an array to another, you CANNOT do this. If not you are attempting to assign a #define variable or
            a constant variable.


    error C2371: 'func' : redefinition; different basic types
                     see declaration of 'func' (' func' is the name of a function)
    warning C4029: declared formal parameter list different from definition

        These errors and warnings usually means that your function prototype and the corresponding function are not matching.

        example:
                    a) return types not matching, result in error C2371

                    int func(void) ; /* function prototype at the top of the file */
                        :
                        :
                        :
                    void func(void){  /* implementation of the function func */
                        /* function body */
                    }

                    b) parameters not matching in type and/or number, result in warning Error c2143 syntax error missing void func(void) ; /* function prototype at the top of the file */
                        :
                        :
                        :
                  void func(int, int){  /* implementation of the function func */
                        /* function body */
                    } 



     

    warning C4013: 'func' undefined; assuming extern returning int
                   ('func' is the name of a function)

        This probably means you are missing a matching function prototype. 


    warning C4715:'func' : not all control paths return a value
                 ('func' is the name of a function)

        If your function has a return type other void, you have to make sure that every single path has a return statement. This happens when you
        have loops, if and/or switch statements.

        example:
                    int func (void) {

                        while ( condition_1 is true ){        /* when the program is compiled, the compiler does not konw whether condition_1 will
                                                                                true or not. If it is never true, the body of the loop will not be executed. Therefore, nothing
                                                                                will return, the function got stuck */
                               if( condition_2 ) {                /* Even if it did get to execute this loop, same thing apply to condition_2 */
                                    /* do something */
                                    return 0;
                              }
                        }
                        return 0;     /* fix: Sometimes, you design the function to have condition_1
                                                    and condition_2 be true at execution, but the compiler does not know that.
                                                    Put a return statement at the end of the function to get rid of the warning.
                                                    Even all the condition fails, something is returned.  Sometimes, you are really missing a return statement*/
                    }


    warning C4700:local variable 'i' used without having been initialized

            example:
                                    int v;                 /* at this point, error c2143 syntax error missing, v holds some junk number got left in memory*/
                                    s = 9 + v;         /* with this assignment ( junk number + 9 ), s is now some junk number */


    warning C4047: '=' :  differs in levels of indirection

            You are probably assigning one variable to another which are of different type. You get this when you are using arrays and pointers.
            Another possibility is when you make a function call, you pass in parameters that do not match the types of the parameters declared.
            Check your function prototype.

            example:
                    a) int i;
                        int* ptrToInt;
                        :
                        :
                        i  = ptrToInt;    /* assining pointer to int, error c2143 syntax error missing, you really don't need to do this in cse/engr142 */

                    b) int arrayOfInt[10];
                        int* ptrToInt;
                        :
                        :
                        arrayOfInt = ptrToInt;

                    c) void function1 (int* intPointer);
                           :
                           :
                        int arrayOfInt[10];
                        function1(arrayOfInt);


    warning C4005:  macro redefinition

        This warning has to do with #define variables.
        Possibilities of getting this warning:

    1) The straight forward reason (usually not the case though)
            You have #defined the same variable twice or more.

    2) Perhaps a MSVC problem
            If you have #define a variable, the first time you won't get this
            warning, not until you change the value of the #defineerror c2143 syntax error missing, perhaps
            the third time. Since then, you will get this warning every single
            time you compile.
            fix: use Rebuild All or Clean (under the menu bar Build)



     
     
     

    People make the rules. Why didn’t I know about QAQ?(> The man & lt; ). ~ Purr…
    In pure C, error c2143 syntax error missing, variable declarations must come first in a block of code

      found a problem when running the program, VC 6.0 compiler C language is always prompted with an error: error C2143: syntax error: missing ‘; ‘before’ type ‘. The solution is to put the declaration of all variables before the executable code. The problem occurs because the error c2143 syntax error missing is saved in.c format. It will compile normally if it is in CPP format. If you change it to.cpP, error c2143 syntax error missing, it will work, regardless of where your variable is declared. * Generally in ANSI C or C++, it is allowed to define variables at any time in executable code, but in K& It’s not allowed in R C, and that’s why we have this error. VC6.0, VS2008 are used K& R C to implement the C language, so the compilation process will report errors. No such File or Directory appears about C free 5. Wait for a few mistakes to appear together. Solution: If the name of the installation directory has Spaces, the system may not find the path.
      we can try to change the name of the installation directory to simple, no Spaces.

    I am so happy that the problem that has been bothering me has been solved, error c2143 syntax error missing. Only in the process of solving the error c2143 syntax error missing can I feel that kind of happiness. I hope it will be helpful to those who have the same problem.
    Wrote by markpain 20160908

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