DefaultCompiler will create a default compiler.

FindModRootFrom will find the kcl.mod path from the start path.

FindRunEntryFrom will find the entry of the compilation from the entry sources.

GetKclVersion fetches the kcl version.

GetSourceKindFrom will return the kind of the source.

The pattern of the external package argument.

Compiler is a wrapper of kcl compiler.

Entry is the entry of 'kpm run'.

EntryKind is the kind of the entry.