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What is the main difference between fatal errors and non-fatal errors dipslayed in an IDE when one tries to compile the code?
In both cases the compiler shows an error message and the program is not compiled. Are fatal errors the undefined compiler errors in a compiler or linker?
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A compile-time error generally refers to the errors that correspond to the semantics or syntax. A runtime error refers to the error that we encounter during the code execution during runtime. We can easily fix a compile-time error during the development of code. A compiler cannot identify a runtime error.
Syntax errors are static error that can be detected by the compiler. Runtime errors are dynamic error that cannot be detected by the compiler.
There are 5 different types of errors in C programming language: Syntax error, Run Time error, Logical error, Semantic error, and Linker error. Syntax errors, linker errors, and semantic errors can be identified by the compiler during compilation.
Compilation error refers to a state when a compiler fails to compile a piece of computer program source code, either due to errors in the code, or, more unusually, due to errors in the compiler itself. A compilation error message often helps programmers debugging the source code.
A fatal error would probably stop compilation of that translation unit immediately.
A compiler may continue compiling after an error in order to reveal to you a more comprehensive list of issues.
Although in your case it appears that the preprocessor has issued the fatal error. Perhaps it's simply down to the mood of the compiler writer.
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The difference is this:
; and such)Which explains that sometimes you fix all your compiling errors, and new ones appear.
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The IDE is not the compiler. It generally starts another program (like GCC...) in command line to compile. Your IDE is simply a glorified editor (and on Linux the emacs editor is often better than an IDE).
Most compilers don't give fatal errors, except on compiler bugs, lacking resources at compile time, or when the source input cannot be further compiled: think of #include-ing a non existent header file.
BTW, sometimes a compiler gives so many errors (for instance, try to compile an English or French literature text disguised as a C file) that further compilation is meaning less.
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