Compiler warning – suggest parentheses around assignment used as truth value
Be explicit – then the compiler won’t warn that you perhaps made a mistake. or Some day you’ll be glad the compiler told you, people do make that mistake 😉
compiler-construction
Is it possible to install a C# compiler without Visual Studio?
Sure, the framework includes a compiler, csc.exe. Look at this article for a quick how-to. The important parts: You can get the command-line compiler (csc.exe) from Microsoft site http://msdn2.microsoft.com/en-us/netframework/aa731542.aspx. Download the redistributable package of the .NET Framework, which includes the compiler and the .NET Framework with C# 2005 syntax support. The compiler is located in the following directory: … Read more
Is there a way to compile C++ to C Code?
The C++ FAQ has a list of possibilities: Is it possible to convert C++ to C?. In short, it says that you can’t expect this to give you particularly readable code. Think of the complexities involved; multiple inheritance, virtual-function resolution, templates, operator overloading, etc., etc. There’s no clean succinct way of expressing these concepts in pure C. If … Read more
How do I compile the asm generated by GCC?
Yes, You can use gcc to compile your asm code. Use -c for compilation like this: This will give object code file named file.o. To invoke linker perform following after above command:
X86 assembly – Handling the IDIV instruction
The first part of Mysticials answer is correct, idiv does a 128/64 bit division, so the value of rdx, which holds the upper 64 bit from the dividend must not contain a random value. But a zero extension is the wrong way to go. As you have signed variables, you need to sign extend rax to rdx:rax. There is a specific instruction for this, cqto (convert quad … Read more
G++ undefined reference to class::function
This is a linker error. Try: Basically, the linker is complaining about functions you used but didn’t provide an implementation for. To see all the steps the compiler performs for you, throw in a -v:
Update GCC on OSX
If you install macports you can install gcc select, and then choose your gcc version. To see your versions use To select a version use
C++ variable has initializer but incomplete type?
You use a forward declaration when you need a complete type. You must have a full definition of the class in order to use it. The usual way to go about this is: 1) create a file Cat_main.h 2) move to Cat_main.h. Note that inside the header I removed using namespace std; and qualified string with std::string. 3) include this … Read more
How to fix the compiler error in this program?
So i’m a student in high school new to the Java language and i’m using this program called jgrasp, which we use to program java. I just got the program for home to try to finish off a lab I was working on and when I compile, this shows up: I just recently upgraded my … Read more
Static Semantics meaning?
Semantics is about meaning. It includes: the static semantics, which is the part that can be ascertained at compile time, including data typing, whether all variables are declared, which declaration applies to which variable in the case of scoping, what their type is, whether functions and methods are called with correct calling sequences, whether assignments … Read more