Problem creating own assert()

kordova · 2003-04-05T18:01:42

I've copied this code line by line from Practical C++ by Rob McGregor: BAssert.h /********************************************************* * Module : BAssert.h * * Purpose: Custom assert() and ASSERT() macros *********************************************************/ #ifndef __BASSERT_H__ #define __BASSERT_H__ // Replace any existing assert and ASSERT with the // macros in this file #ifdef assert #undef assert #endif #ifdef ASSERT #undef ASSERT #endif // Define assert and ASSERT for debug and // release builds #if defined(_DEBUG) // Define the debug macros #define assert \ if(!) { cerr << "\nAssertion Failed: " << #a << "\nFailure occured on line " << _LINE_ << " of source file:" << "\n \"" << _FILE_ << "\"\n"; } #define ASSERT(a,str) \ if(!) { \ cerr << "\nAssertion Failed: " << #a << " " << #str << "\nFailure occured on line " << _LINE_ << " of source file:" << "\n \"" << _FILE_ << "\"\n"; } #else // Define the release macros as nothing // #define assert #define ASSERT(a,str) #endif // #if defined(_DEBUG) #endif // __BASSERT_H__ the driver program...main.cpp /********************************************************* * Module : main.cpp * * Purpose : A driver program to demonstrate the * assert() and ASSERT() macros defined in * BAssert.h *********************************************************/ #include <iostream.h> #include "BAssert.h" // Constant definitions // const int hearts = 0; const int diamonds = 1; const int clubs = 2; const int spades = 3; // Function prototypes // void Print(char *str); void PrintSuit(int suit); int NotYetImplemented(); /*******************************************************/ // main() void main() { assert(false); // Always fails int x = 5; assert(x==5); // this on''s okay assert(x==10); //this on''s an error ASSERT(x==10,"x should be 5!"); assert("This will fail" == 0); // Always fails char *str1 = 0; char *str2 = "\nA test string\n\n"; Print(str1); Printf(str2); PrintSuit(hearts); PrintSuit(spades); PrintSuit(10); int y = NotYetImplemented(); } /*******************************************************/ // Print() void Print(char *str) { ASSERT(str==0, "String should not be null"); if(str!=0) cout<<str; } /*******************************************************/ // PrintSuit() void PrintSuit(int suit) { switch (suit) case hearts: cout<<"Hearts\n"; break; case diamonds: cout<<"Diamonds\n"; break; case clubs: cout<<"Clubs\n"; break; case spades: cout<<"Spades\n"; break; default: // Invalid suit detected assert"Invalid suit detected"==0); } } /*******************************************************/ // NotYetImplemented int NotYetImplemented() { assert("Function not yet implemented" == 0); return 0; } And I get the following errors: c:\Program Files\Microsoft Visual Studio .NET\Vc7\include\useoldio.h(29): warning C4995:''_OLD_IOSTREAMS_ARE_DEPRECATE'': name was marked as #pragma deprecated c:\Documents and Settings\Brandon\My Documents\Visual Studio Projects\BRN\MyAssert\BAssert.h(41): error C2143: syntax error : missing'''' before''<&lt'' c:\Documents and Settings\Brandon\My Documents\Visual Studio Projects\BRN\MyAssert\BAssert.h(41): error C2501:''cer'' : missing storage-class or type specifiers c:\Documents and Settings\Brandon\My Documents\Visual Studio Projects\BRN\MyAssert\BAssert.h(41): error C2371:''cer'' : redefinition; different basic types c:\Documents and Settings\Brandon\My Documents\Visual Studio Projects\BRN\MyAssert\BAssert.h(41): error C2014: preprocessor command must start as first nonwhite space c:\Documents and Settings\Brandon\My Documents\Visual Studio Projects\BRN\MyAssert\main.cpp(29): error C2059: syntax error :'''' c:\Documents and Settings\Brandon\My Documents\Visual Studio Projects\BRN\MyAssert\main.cpp(29): error C2143: syntax error : missing'''' before'''' c:\Documents and Settings\Brandon\My Documents\Visual Studio Projects\BRN\MyAssert\main.cpp(29): error C2121:'''' : invalid character : possibly the result of a macro expansion c:\Documents and Settings\Brandon\My Documents\Visual Studio Projects\BRN\MyAssert\main.cpp(29): error C2065:'''' : undeclared identifier c:\Documents and Settings\Brandon\My Documents\Visual Studio Projects\BRN\MyAssert\main.cpp(29): error C2593:''operator <&lt'' is ambiguous c:\Program Files\Microsoft Visual Studio .NET\Vc7\include\ostream.h(87): could be''ostream &ostream::operator <<(streambuf *'' c:\Documents and Settings\Brandon\My Documents\Visual Studio Projects\BRN\MyAssert\main.cpp(29): error C2065:''_LINE'' : undeclared identifier c:\Documents and Settings\Brandon\My Documents\Visual Studio Projects\BRN\MyAssert\main.cpp(29): error C2065:''_FILE'' : undeclared identifier c:\Documents and Settings\Brandon\My Documents\Visual Studio Projects\BRN\MyAssert\main.cpp(32): error C2059: syntax error :'''' c:\Documents and Settings\Brandon\My Documents\Visual Studio Projects\BRN\MyAssert\main.cpp(32): error C2143: syntax error : missing'''' before'''' c:\Documents and Settings\Brandon\My Documents\Visual Studio Projects\BRN\MyAssert\main.cpp(32): error C2121:'''' : invalid character : possibly the result of a macro expansion c:\Documents and Settings\Brandon\My Documents\Visual Studio Projects\BRN\MyAssert\main.cpp(32): error C2593:''operator <&lt'' is ambiguous c:\Documents and Settings\Brandon\My Documents\Visual Studio Projects\BRN\MyAssert\main.cpp(33): error C2059: syntax error :'''' c:\Documents and Settings\Brandon\My Documents\Visual Studio Projects\BRN\MyAssert\main.cpp(33): error C2143: syntax error : missing'''' before'''' c:\Documents and Settings\Brandon\My Documents\Visual Studio Projects\BRN\MyAssert\main.cpp(33): error C2121:'''' : invalid character : possibly the result of a macro expansion c:\Documents and Settings\Brandon\My Documents\Visual Studio Projects\BRN\MyAssert\main.cpp(33): error C2593:''operator <&lt'' is ambiguous c:\Documents and Settings\Brandon\My Documents\Visual Studio Projects\BRN\MyAssert\main.cpp(35): error C2059: syntax error :'''' c:\Documents and Settings\Brandon\My Documents\Visual Studio Projects\BRN\MyAssert\main.cpp(35): error C2143: syntax error : missing'''' before'''' c:\Documents and Settings\Brandon\My Documents\Visual Studio Projects\BRN\MyAssert\main.cpp(35): error C2017: illegal escape sequence c:\Documents and Settings\Brandon\My Documents\Visual Studio Projects\BRN\MyAssert\main.cpp(36): error C2059: syntax error :'''' c:\Documents and Settings\Brandon\My Documents\Visual Studio Projects\BRN\MyAssert\main.cpp(36): error C2143: syntax error : missing'''' before'''' c:\Documents and Settings\Brandon\My Documents\Visual Studio Projects\BRN\MyAssert\main.cpp(36): error C2121:'''' : invalid character : possibly the result of a macro expansion c:\Documents and Settings\Brandon\My Documents\Visual Studio Projects\BRN\MyAssert\main.cpp(36): error C2593:''operator <&lt'' is ambiguous c:\Program Files\Microsoft Visual Studio .NET\Vc7\include\ostream.h(87): could be''ostream &ostream::operator <<(streambuf *'' c:\Documents and Settings\Brandon\My Documents\Visual Studio Projects\BRN\MyAssert\main.cpp(42): error C2065:''Print'' : undeclared identifier c:\Documents and Settings\Brandon\My Documents\Visual Studio Projects\BRN\MyAssert\main.cpp(44): error C2065:''heart'' : undeclared identifier c:\Documents and Settings\Brandon\My Documents\Visual Studio Projects\BRN\MyAssert\main.cpp(54): error C2601:''Prin'' : local function definitions are illegal c:\Documents and Settings\Brandon\My Documents\Visual Studio Projects\BRN\MyAssert\main.cpp(55): error C2017: illegal escape sequence c:\Documents and Settings\Brandon\My Documents\Visual Studio Projects\BRN\MyAssert\main.cpp(79): error C2121:'''' : invalid character : possibly the result of a macro expansion c:\Documents and Settings\Brandon\My Documents\Visual Studio Projects\BRN\MyAssert\main.cpp(86): error C2601:''NotYetImplemente'' : local function definitions are illegal c:\Documents and Settings\Brandon\My Documents\Visual Studio Projects\BRN\MyAssert\main.cpp(87): error C2121:'''' : invalid character : possibly the result of a macro expansion c:\Documents and Settings\Brandon\My Documents\Visual Studio Projects\BRN\MyAssert\main.cpp(90): fatal error C1075: end of file found before the left brace'''' at''c:\Documents and Settings\Brandon\My Documents\Visual Studio Projects\BRN\MyAssert\main.cpp(28'' was matched Does it have to do with the use of cerr? Aside from that ''m not really sure where to begin...Thanks in advance. [edited by - kordova on March 6, 2003 4:35:44 PM]

For Beginners

Started by kordova March 06, 2003 03:33 PM

20 comments, last by kordova 21 years ago

Kippesoep

892

April 05, 2003 05:59 PM

  void _DebugAssert(bool Expr, const char *szExpr, const char File, int Line)should be:void _DebugAssert(bool Expr, const char *szExpr, const char *File, int Line)

Kippesoep

Fruny

1,658

April 05, 2003 06:01 PM

quote:Original post by Kippesoep
void _DebugAssert(bool Expr, const char *szExpr, const char *File, int Line)

"Debugging is twice as hard as writing the code in the first place. Therefore, if you write the code as cleverly as possible, you are, by definition, not smart enough to debug it." — Brian W. Kernighan

Problem creating own assert()

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