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2006-10-05 Erik Edelmann <edelmann@gcc.gnu.org> Paul Thomas <pault@gcc.gnu.org> PR fortran/20541 * interface.c (gfc_compare_derived_types): Add comparison of the allocatable field. * intrinsic.c (add_subroutines): Add MOVE_ALLOC. * trans-expr.c (gfc_conv_aliased_arg, gfc_trans_subarray_assign, gfc_trans_subcomponent_assign, gfc_conv_string_parameter, gfc_trans_scalar_assign): Add extra arguments l_is_temp and r_is_var to references to latter function. (gfc_conv_function_call): Add enum for types of argument and an associated variable parm_kind. Deallocate components of INTENT(OUT) and non-variable arrays. (gfc_trans_subcomponent_assign): Add block to assign arrays to allocatable components. (gfc_trans_scalar_assign): Add block to handle assignments of derived types with allocatable components, using the above new arguments to control allocation/deallocation of memory and the copying of allocated arrays. * trans-array.c (gfc_array_allocate): Remove old identification of pointer and replace with that of an allocatable array. Add nullify of structures with allocatable components. (gfc_conv_array_initializer): Treat EXPR_NULL. (gfc_conv_array_parameter): Deallocate allocatable components of non-variable structures. (gfc_trans_dealloc_allocated): Use second argument of library deallocate to inhibit, without error, freeing NULL pointers. (get_full_array_size): New function to return the size of a full array. (gfc_duplicate_allocatable): New function to allocate and copy allocated data. (structure_alloc_comps): New recursive function to deallocate, nullify or copy allocatable components. (gfc_nullify_alloc_comp, gfc_deallocate_alloc_comp, gfc_copy_alloc_comp): New interface functions to call previous. (gfc_trans_deferred_array): Add the code to nullify allocatable components, when entering scope, and to deallocate them on leaving. Do not call gfc_trans_static_array_pointer and return for structures with allocatable components and default initializers. * symbol.c (gfc_set_component_attr): Set allocatable field. (gfc_get_component_attr): Set the allocatable attribute. * intrinsic.h : Prototype for gfc_check_move_alloc. * decl.c (build_struct): Apply TR15581 constraints for allocatable components. (variable_decl): Default initializer is always NULL for allocatable components. (match_attr_spec): Allow, or not, allocatable components, according to the standard in force. * trans-array.h : Prototypes for gfc_nullify_alloc_comp, gfc_deallocate_alloc_comp, gfc_copy_alloc_comp and gfc_duplicate_allocatable. * gfortran.texi : Add mention of TR15581 extensions. * gfortran.h : Add attribute alloc_comp, add gfc_components field allocatable and add the prototype for gfc_expr_to_initialize. * trans-stmt.c (generate_loop_for_temp_to_lhs, generate_loop_for_rhs_to_temp, gfc_trans_where_assign, gfc_trans_where_3): Add extra arguments to calls to gfc_trans_scalar_assign and set appropriately. (gfc_trans_allocate): Nullify allocatable components. (gfc_trans_deallocate): Deallocate to ultimate allocatable components but stop at ultimate pointer components. * module.c (mio_symbol_attribute, mio_symbol_attribute, mio_component): Add module support for allocatable components. * trans-types.c (gfc_get_derived_type): Treat allocatable components. * trans.h : Add two boolean arguments to gfc_trans_scalar_assign. * resolve.c (resolve_structure_cons): Check conformance of constructor element and the component. (resolve_allocate_expr): Add expression to nullify the constructor expression for allocatable components. (resolve_transfer): Inhibit I/O of derived types with allocatable components. (resolve_fl_derived): Skip check of bounds of allocatable components. * trans-decl.c (gfc_get_symbol_decl): Add derived types with allocatable components to deferred variable. (gfc_trans_deferred_vars): Make calls for derived types with allocatable components to gfc_trans_deferred_array. (gfc_generate_function_code): Nullify allocatable component function result on entry. * parse.c (parse_derived): Set symbol attr.allocatable if allocatable components are present. * check.c (gfc_check_allocated): Enforce attr.allocatable for intrinsic arguments. (gfc_check_move_alloc): Check arguments of move_alloc. * primary.c (gfc_variable_attr): Set allocatable attribute. * intrinsic.texi : Add index entry and section for for move_alloc. PR fortran/29115 * resolve.c (resolve_structure_cons): It is an error if the pointer component elements of a derived type constructor are not pointer or target. PR fortran/29211 * trans-stmt.c (generate_loop_for_temp_to_lhs, generate_loop_for_rhs_to_temp): Provide a string length for the temporary by copying that of the other side of the scalar assignment. 2006-10-05 Paul Thomas <pault@gcc.gnu.org> Erik Edelmann <edelmann@gcc.gnu.org> PR libgfortran/20541 * Makefile.in : Add move_alloc. * intrinsics/move_alloc.c: New function. * Makefile.am : Add move_alloc. 2006-10-05 Erik Edelmann <edelmann@gcc.gnu.org> Paul Thomas <pault@gcc.gnu.org> PR fortran/20541 * gfortran.dg/alloc_comp_basics_1.f90: New test. * gfortran.dg/alloc_comp_basics_2.f90: New test. * gfortran.dg/alloc_comp_assign_1.f90: New test. * gfortran.dg/alloc_comp_assign_2.f90: New test. * gfortran.dg/alloc_comp_assign_3.f90: New test. * gfortran.dg/alloc_comp_assign_4.f90: New test. * gfortran.dg/alloc_comp_constraint_1.f90: New test. * gfortran.dg/alloc_comp_constraint_2.f90: New test. * gfortran.dg/alloc_comp_constraint_3.f90: New test. * gfortran.dg/alloc_comp_constructor_1.f90: New test. * gfortran.dg/alloc_comp_constructor_2.f90: New test. * gfortran.dg/alloc_comp_initializer_1.f90: New test. * gfortran.dg/alloc_comp_std.f90: New test. * gfortran.dg/move_alloc.f90: New test. PR fortran/29115 * gfortran.dg/derived_constructor_comps_2.f90: New test. PR fortran/29211 * gfortran.dg/forall_char_dependencies_1.f90: New test. From-SVN: r117558
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