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LibGPR2 - Parser for GPR Project files
The GPR2 library provides an extensive interface to access project files
(.gpr files). Project files are first loaded in a project tree object.
Load functions have parameters to configure load options as it is usually
done using GPRbuild on the command line with -X (external ref) --config,
-db, --implicit-with, --relocate-build-tree, --root-dir, --src-subdirs,
--subdirs, --unchecked-shared-lib-imports, --RTS, --target switches.
GNAT project files are loaded in a project tree using
GPR2.Project.Tree.Load_Autoconf or GPR2.Project.Tree.Load functions. Use
the latter if you want to use a config project file (.cgpr)
If your application supports some GPR tools standard switches (ex: -P, -X,
--target, --RTS) a GPR2.Options package is provided to simplify and
normalize GPR standard switches handling.
Once loaded, the root project and all imported, aggregated, extended
projects including the configuration and runtime projects can be accessed.
For each projects, all variables types, variables, attributes, packages can
be evaluated, taking into account load configuration, default values and
aliases.
Projects sources (.ads, .adb or extensions defined in project file) and
units (package's specification, body and separates) can be analyzed as well.
Units dependencies are also handled.
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