diff options
Diffstat (limited to 'gdb/cp-support.h')
-rw-r--r-- | gdb/cp-support.h | 51 |
1 files changed, 38 insertions, 13 deletions
diff --git a/gdb/cp-support.h b/gdb/cp-support.h index f2f202f..dd4df84 100644 --- a/gdb/cp-support.h +++ b/gdb/cp-support.h @@ -37,19 +37,44 @@ struct type; struct demangle_component; /* This struct is designed to store data from using directives. It - says that names from namespace IMPORT_SRC should be visible within - namespace IMPORT_DEST. These form a linked list; NEXT is the next element - of the list. If the imported namespace has been aliased, ALIAS is set to a - string representing the alias. Otherwise, ALIAS is NULL. - Eg: - namespace C = A::B; - ALIAS = "C" - DECLARATION is the name of the imported declaration, if this import - statement represents one. - Eg: - using A::x; - Where x is variable in namespace A. DECLARATION is set to x. -*/ + says that names from namespace IMPORT_SRC should be visible within namespace + IMPORT_DEST. These form a linked list; NEXT is the next element of the + list. If the imported namespace or declaration has been aliased within the + IMPORT_DEST namespace, ALIAS is set to a string representing the alias. + Otherwise, ALIAS is NULL. DECLARATION is the name of the imported + declaration, if this import statement represents one. Otherwise DECLARATION + is NULL and this import statement represents a namespace. + + C++: using namespace A; + Fortran: use A + import_src = "A" + import_dest = local scope of the import statement even such as "" + alias = NULL + declaration = NULL + + C++: using A::x; + Fortran: use A, only: x + import_src = "A" + import_dest = local scope of the import statement even such as "" + alias = NULL + declaration = "x" + The declaration will get imported as import_dest::x. + + C++: namespace LOCALNS = A; + Fortran has no way to address non-local namespace/module. + import_src = "A" + import_dest = local scope of the import statement even such as "" + alias = "LOCALNS" + declaration = NULL + The namespace will get imported as the import_dest::LOCALNS namespace. + + C++ cannot express it, it would be something like: using localname = A::x; + Fortran: use A, only localname => x + import_src = "A" + import_dest = local scope of the import statement even such as "" + alias = "localname" + declaration = "x" + The declaration will get imported as localname or `import_dest`localname. */ struct using_direct { |