gnatprep
The gnatprep
tool is a command-line utility that is part of the GNAT Ada development environment. It is used to perform preprocessing tasks on Ada source code files before they are compiled.
Here are some key points about gnatprep
:
-
Preprocessing:
gnatprep
allows you to perform conditional compilation in Ada by selectively including or excluding certain parts of the code based on specified conditions. It supports several types of directives such asifdef
,ifndef
,else
, andendif
that control the preprocessing behavior. -
Macro Expansion: The tool also supports the definition and expansion of macros. Macros are snippets of code that are replaced by their expanded form during preprocessing. This allows for code reuse, simplification of repetitive tasks, and customization of Ada source files.
-
File Inclusion:
gnatprep
provides the ability to include the contents of other files at specific points in the source code. This allows for modularization and separation of concerns by breaking down the code into smaller, manageable units that can be included where needed. -
Integration with GNAT:
gnatprep
seamlessly integrates with the GNAT Ada compiler and build system. It can be used as an intermediate step during the build process to preprocess Ada source files before compilation. The preprocessed files are then passed to the compiler for final translation into object code. -
Cross-Platform:
gnatprep
is available on multiple platforms, including Windows, Linux, and macOS, making it suitable for developers working on various environments and operating systems.
Overall, gnatprep
is a versatile command-line tool for performing preprocessing tasks on Ada source files. It enables conditional compilation, macro expansion, and file inclusion, providing developers with greater flexibility and customization options.
List of commands for gnatprep:
-
gnatprep:tldr:88033 gnatprep: Use symbol definitions from a file.$ gnatprep ${source_file} ${target_file} ${definitions_file}try on your machineexplain this command
-
gnatprep:tldr:df83e gnatprep: Specify symbol values in the command-line.$ gnatprep -D${name}=${value} ${source_file} ${target_file}try on your machineexplain this command