Red Hat ENTERPRISE LINUX 3 - DEVELOPER TOOLS GUIDE Guide de l'utilisateur télécharger pdf (Page 27)

libhover Plug-in

Figure 2.17. Shortcuts Tab

The Shortcuts tab configures what menu items are available under the following submenus:

• File > New

• Window > Open Perspective

• Window > Show View

2.2.2. libhover Plug-in

The libhover plug-in for Eclipse provides plug-and-play hover help support for the GNU C Library

and GNU C++ Standard Library. This allows developers to refer to existing documentation on glibc

and libstdc++ libraries within the Eclipse IDE in a more seamless and convenient manner via hover

help and code completion.

For C++ library resources, libhover needs to index the file using the CDT indexer. Indexing parses

the given file in context of a build; the build context determines where header files come from and

how types, macros, and similar items are resolved. To be able to index a C++ source file, libhover

usually requires you to perform an actual build first, although in some cases it may already know

where the header files are located.

The libhover plug-in may need indexing for C++ sources because a C++ member function name

is not enough information to look up its documentation. For C++, the class name and parameter

signature of the function is also required to determine exactly which member is being referenced. This

is because C++ allows different classes to have members of the same name, and even within a class,

members may have the same name but with different method signatures.

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Red Hat ENTERPRISE LINUX 3 - DEVELOPER TOOLS GUIDE Guide de l'utilisateur Page 27