[all-commits] [llvm/llvm-project] 43fade: [flang] Implement user-defined derived type runtim...

[Peter Klausler via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 43fadefb0e77c56de7637c391cf98cf709b27095
      https://github.com/llvm/llvm-project/commit/43fadefb0e77c56de7637c391cf98cf709b27095
  Author: peter klausler <pklausler at nvidia.com>
  Date:   2021-06-28 (Mon, 28 Jun 2021)

  Changed paths:
    M flang/include/flang/Common/format.h
    M flang/lib/Semantics/check-declarations.cpp
    M flang/runtime/CMakeLists.txt
    M flang/runtime/derived.cpp
    A flang/runtime/descriptor-io.cpp
    M flang/runtime/descriptor-io.h
    M flang/runtime/format-implementation.h
    M flang/runtime/format.cpp
    M flang/runtime/format.h
    M flang/runtime/io-api.cpp
    M flang/runtime/io-error.cpp
    M flang/runtime/io-error.h
    M flang/runtime/io-stmt.cpp
    M flang/runtime/io-stmt.h
    M flang/runtime/tools.cpp
    M flang/runtime/type-info.cpp
    M flang/runtime/type-info.h
    M flang/runtime/unit-map.cpp
    M flang/runtime/unit.cpp
    M flang/runtime/unit.h
    M flang/test/Semantics/typeinfo01.f90

  Log Message:
  -----------
  [flang] Implement user-defined derived type runtime I/O

With derived type description tables now available to the
runtime library, it is possible to implement the concept
of "child" I/O statements in the runtime and use them to
convert instances of derived type I/O data transfers into
calls to user-defined subroutines when they have been specified
for a type.  (See Fortran 2018, subclauses 12.6.4.8 & 13.7.6).

 - Support formatted, list-directed, and NAMELIST
   transfers to internal parent units; support these, and unformatted
   transfers, for external parent units.
 - Support nested child defined derived type I/O.
 - Parse DT'foo'(v-list) FORMAT data edit descriptors and passes
   their strings &/or v-list values as arguments to the defined
   formatted I/O routines.
 - Fix problems with this feature encountered in semantics and
   FORMAT valiation during development and end-to-end testing.
 - Convert typeInfo::SpecialBinding from a struct to a class
   after adding a member function.

Differential Revision: https://reviews.llvm.org/D104930