gcc/libgfortran/intrinsics/iso_c_binding.h

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/* Copyright (C) 2007-2015 Free Software Foundation, Inc.
[multiple changes] 2007-07-01 Christopher D. Rickett <crickett@lanl.gov> * interface.c (gfc_compare_derived_types): Special case for comparing derived types across namespaces. (gfc_compare_types): Deal with BT_VOID. (compare_parameter): Use BT_VOID to accept ISO C Binding pointers. * trans-expr.c (gfc_conv_function_call): Remove setting parm_kind to SCALAR (gfc_conv_initializer): Deal with ISO C Binding NULL_PTR and NULL_FUNPTR. (gfc_conv_expr): Convert expressions for ISO C Binding derived types. * symbol.c (gfc_set_default_type): BIND(C) variables should not be implicitly declared. (check_conflict): Add BIND(C) and check for conflicts. (gfc_add_explicit_interface): Whitespace. (gfc_add_is_bind_c): New function. (gfc_copy_attr): Use it. (gfc_new_symbol): Initialize ISO C Binding objects. (get_iso_c_binding_dt): New function. (verify_bind_c_derived_type): Ditto. (gen_special_c_interop_ptr): Ditto. (add_formal_arg): Ditto. (gen_cptr_param): Ditto. (gen_fptr_param): Ditto. (gen_shape_param): Ditto. (add_proc_interface): Ditto. (build_formal_args): Ditto. (generate_isocbinding_symbol): Ditto. (get_iso_c_sym): Ditto. * decl.c (num_idents_on_line, has_name_equals): New variables. (verify_c_interop_param): New function. (build_sym): Finish binding labels and deal with COMMON blocks. (add_init_expr_to_sym): Check if the initialized expression is an iso_c_binding named constants (variable_decl): Set ISO C Binding type_spec components. (gfc_match_kind_spec): Check match for C interoperable kind. (match_char_spec): Fix comment. Chnage gfc_match_small_int to gfc_match_small_int_expr. Check for C interoperable kind. (match_type_spec): Clear the current binding label. (match_attr_spec): Add DECL_IS_BIND_C. If BIND(C) is found, use it to set attributes. (set_binding_label): New function. (set_com_block_bind_c): Ditto. (verify_c_interop): Ditto. (verify_com_block_vars_c_interop): Ditto. (verify_bind_c_sym): Ditto. (set_verify_bind_c_sym): Ditto. (set_verify_bind_c_com_block): Ditto. (get_bind_c_idents): Ditto. (gfc_match_bind_c_stmt): Ditto. (gfc_match_data_decl): Use num_idents_on_line. (match_result): Deal with right paren in BIND(C). (gfc_match_suffix): New function. (gfc_match_function_decl): Use it. Code is re-arranged to deal with ISO C Binding result clauses. (gfc_match_subroutine): Deal with BIND(C). (gfc_match_bind_c): New function. (gfc_get_type_attr_spec): New function. Code is re-arranged in and taken from gfc_match_derived_decl. (gfc_match_derived_decl): Add check for BIND(C). * trans-common.c: Forward declare gfc_get_common. (gfc_sym_mangled_common_id): Change arg from 'const char *name' to 'gfc_common_head *com'. Check for ISO C Binding of the common block. (build_common_decl): 'com->name' to 'com in SET_DECL_ASSEMBLER_NAME. * gfortran.h: Add GFC_MAX_BINDING_LABEL_LEN (bt): Add BT_VOID (sym_flavor): Add FL_VOID. (iso_fortran_env_symbol, iso_c_binding_symbol, intmod_id): New enum (CInteropKind_t): New struct. (c_interop_kinds_table): Use it. Declare an array of structs. (symbol_attribute): Add is_bind_c, is_c_interop, and is_iso_c bitfields. (gfc_typespec): Add is_c_interop; is_iso_c, and f90_type members. (gfc_symbol): Add from_intmod, intmod_sym_id, binding_label, and common_block members. (gfc_common_head): Add binding_label and is_bind_c members. (gfc_gsymbol): Add sym_name, mod_name, and binding_label members. Add prototypes for get_c_kind, gfc_validate_c_kind, gfc_check_any_c_kind, gfc_add_is_bind_c, gfc_add_value, verify_c_interop, verify_c_interop_param, verify_bind_c_sym, verify_bind_c_derived_type, verify_com_block_vars_c_interop, generate_isocbinding_symbol, get_iso_c_sym, gfc_iso_c_sub_interface * iso-c-binding.def: New file. This file contains the definitions of the types provided by the Fortran 2003 ISO_C_BINDING intrinsic module. * trans-const.c (gfc_conv_constant_to_tree): Deal with C_NULL_PTR or C_NULL_FUNPTR expressions. * expr.c (gfc_copy_expr): Add BT_VOID case. For BT_CHARACTER, the ISO C Binding requires a minimum string length of 1 for '\0'. * module.c (intmod_sym): New struct. (pointer_info): Add binding_label member. (write_atom): Set len to 0 for NULL pointers. Check for NULL p and *p. (ab_attribute): Add AB_IS_BIND_C, AB_IS_C_INTEROP and AB_IS_ISO_C. (attr_bits): Add "IS_BIND_C", "IS_C_INTEROP", and "IS_ISO_C". (mio_symbol_attribute): Deal with ISO C Binding attributes. (bt_types): Add "VOID". (mio_typespec): Deal with ISO C Binding components. (mio_namespace_ref): Add intmod variable. (mio_symbol): Check for symbols from an intrinsic module. (load_commons): Check for BIND(C) common block. (read_module): Read binding_label and use it. (write_common): Add label. Write BIND(C) info. (write_blank_common): Blank commons are not BIND(C). Explicitly set is_bind_c=0. (write_symbol): Deal with binding_label. (sort_iso_c_rename_list): New function. (import_iso_c_binding_module): Ditto. (create_int_parameter): Add to args. (use_iso_fortran_env_module): Adjust to deal with iso_c_binding intrinsic module. * trans-types.c (c_interop_kinds_table): new array of structs. (gfc_validate_c_kind): New function. (gfc_check_any_c_kind): Ditto. (get_real_kind_from_node): Ditto. (get_int_kind_from_node): Ditto. (get_int_kind_from_width): Ditto. (get_int_kind_from_minimal_width): Ditto. (init_c_interop_kinds): Ditto. (gfc_init_kinds): call init_c_interop_kinds. (gfc_typenode_for_spec): Adjust for BT_VOID and ISO C Binding pointers. Adjust handling of BT_DERIVED. (gfc_sym_type): Whitespace. (gfc_get_derived_type): Account for iso_c_binding derived types * resolve.c (is_scalar_expr_ptr): New function. (gfc_iso_c_func_interface): Ditto. (resolve_function): Use gfc_iso_c_func_interface. (set_name_and_label): New function. (gfc_iso_c_sub_interface): Ditto. (resolve_specific_s0): Use gfc_iso_c_sub_interface. (resolve_bind_c_comms): New function. (resolve_bind_c_derived_types): Ditto. (gfc_verify_binding_labels): Ditto. (resolve_fl_procedure): Check for ISO C interoperability. (resolve_symbol): Check C interoperability. (resolve_types): Walk the namespace. Check COMMON blocks. * trans-decl.c (gfc_sym_mangled_identifier): Prevent the mangling of identifiers that have an assigned binding label. (gfc_sym_mangled_function_id): Use the binding label rather than the mangled name. (gfc_finish_var_decl): Put variables that are BIND(C) into a common segment of the object file, because this is what C would do. (gfc_create_module_variable): Conver to proper types (set_tree_decl_type_code): New function. (generate_local_decl): Check dummy variables and derived types for ISO C Binding attributes. * match.c (gfc_match_small_int_expr): New function. (gfc_match_name_C): Ditto. (match_common_name): Deal with ISO C Binding in COMMON blocks * trans-io.c (transfer_expr): Deal with C_NULL_PTR or C_NULL_FUNPTR expressions * match.h: Add prototypes for gfc_match_small_int_expr, gfc_match_name_C, match_common_name, set_com_block_bind_c, set_binding_label, set_verify_bind_c_sym, set_verify_bind_c_com_block, get_bind_c_idents, gfc_match_bind_c_stmt, gfc_match_suffix, gfc_match_bind_c, gfc_get_type_attr_spec * parse.c (decode_statement): Use gfc_match_bind_c_stmt (parse_derived): Init *derived_sym = NULL, and gfc_current_block later for valiadation. * primary.c (got_delim): Set ISO C Binding components of ts. (match_logical_constant): Ditto. (match_complex_constant): Ditto. (match_complex_constant): Ditto. (gfc_match_rvalue): Check for existence of at least one arg for C_LOC, C_FUNLOC, and C_ASSOCIATED. * misc.c (gfc_clear_ts): Clear ISO C Bindoing components in ts. (get_c_kind): New function. 2007-07-01 Christopher D. Rickett <crickett@lanl.gov> * Makefile.in: Add support for iso_c_generated_procs.c and iso_c_binding.c. * Makefile.am: Ditto. * intrinsics/iso_c_generated_procs.c: New file containing helper functions. * intrinsics/iso_c_binding.c: Ditto. * intrinsics/iso_c_binding.h: New file * gfortran.map: Include the __iso_c_binding_c_* functions. * libgfortran.h: define GFC_NUM_RANK_BITS. 2007-06-23 Christopher D. Rickett <crickett@lanl.gov> * bind_c_array_params.f03: New files for Fortran 2003 ISO C Binding. * bind_c_coms.f90: Ditto. * bind_c_coms_driver.c: Ditto. * bind_c_dts.f90: Ditto. * bind_c_dts_2.f03: Ditto. * bind_c_dts_2_driver.c: Ditto. * bind_c_dts_3.f03: Ditto. * bind_c_dts_4.f03: Ditto. * bind_c_dts_driver.c: Ditto. * bind_c_implicit_vars.f03: Ditto. * bind_c_procs.f03: Ditto. * bind_c_usage_2.f03: Ditto. * bind_c_usage_3.f03: Ditto. * bind_c_usage_5.f03: Ditto. * bind_c_usage_6.f03: Ditto. * bind_c_usage_7.f03: Ditto. * bind_c_vars.f90: Ditto. * bind_c_vars_driver.c: Ditto. * binding_c_table_15_1.f03: Ditto. * binding_label_tests.f03: Ditto. * binding_label_tests_10.f03: Ditto. * binding_label_tests_10_main.f03: Ditto. * binding_label_tests_11.f03: Ditto. * binding_label_tests_11_main.f03: Ditto. * binding_label_tests_12.f03: Ditto. * binding_label_tests_13.f03: Ditto. * binding_label_tests_13_main.f03: Ditto. * binding_label_tests_14.f03: Ditto. * binding_label_tests_2.f03: Ditto. * binding_label_tests_3.f03: Ditto. * binding_label_tests_4.f03: Ditto. * binding_label_tests_5.f03: Ditto. * binding_label_tests_6.f03: Ditto. * binding_label_tests_7.f03: Ditto. * binding_label_tests_8.f03: Ditto. * binding_label_tests_9.f03: Ditto. * c_assoc.f90: Ditto. * c_assoc_2.f03: Ditto. * c_f_pointer_shape_test.f90: Ditto. * c_f_pointer_tests.f90: Ditto. * c_f_tests_driver.c: Ditto. * c_funloc_tests.f03: Ditto. * c_funloc_tests_2.f03: Ditto. * c_funloc_tests_3.f03: Ditto. * c_funloc_tests_3_funcs.c: Ditto. * c_kind_params.f90: Ditto. * c_kind_tests_2.f03: Ditto. * c_kinds.c: Ditto. * c_loc_driver.c: Ditto. * c_loc_test.f90: Ditto. * c_loc_tests_2.f03: Ditto. * c_loc_tests_2_funcs.c: Ditto. * c_loc_tests_3.f03: Ditto. * c_loc_tests_4.f03: Ditto. * c_loc_tests_5.f03: Ditto. * c_loc_tests_6.f03: Ditto. * c_loc_tests_7.f03: Ditto. * c_loc_tests_8.f03: Ditto. * c_ptr_tests.f03: Ditto. * c_ptr_tests_10.f03: Ditto. * c_ptr_tests_5.f03: Ditto. * c_ptr_tests_7.f03: Ditto. * c_ptr_tests_7_driver.c: Ditto. * c_ptr_tests_8.f03: Ditto. * c_ptr_tests_8_funcs.c: Ditto. * c_ptr_tests_9.f03: Ditto. * c_ptr_tests_driver.c: Ditto. * c_size_t_driver.c: Ditto. * c_size_t_test.f03: Ditto. * com_block_driver.f90: Ditto. * global_vars_c_init.f90: Ditto. * global_vars_c_init_driver.c: Ditto. * global_vars_f90_init.f90: Ditto. * global_vars_f90_init_driver.c: Ditto. * interop_params.f03: Ditto. * iso_c_binding_only.f03: Ditto. * iso_c_binding_rename_1.f03: Ditto. * iso_c_binding_rename_1_driver.c: Ditto. * iso_c_binding_rename_2.f03: Ditto. * iso_c_binding_rename_2_driver.c: Ditto. * kind_tests_2.f03: Ditto. * kind_tests_3.f03: Ditto. * module_md5_1.f90: Ditto. * only_clause_main.c: Ditto. * print_c_kinds.f90: Ditto. * test_bind_c_parens.f03: Ditto. * test_c_assoc.c: Ditto. * test_com_block.f90: Ditto. * test_common_binding_labels.f03: Ditto. * test_common_binding_labels_2.f03: Ditto. * test_common_binding_labels_2_main.f03: Ditto. * test_common_binding_labels_3.f03: Ditto. * test_common_binding_labels_3_main.f03: Ditto. * test_only_clause.f90: Ditto. * use_iso_c_binding.f90: Ditto. * value_5.f90: Ditto. * value_test.f90: Ditto. * value_tests_f03.f90: Ditto. From-SVN: r126185
2007-07-02 04:47:21 +02:00
Contributed by Christopher Rickett.
This file is part of the GNU Fortran 95 runtime library (libgfortran).
Libgfortran is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
[multiple changes] 2007-07-01 Christopher D. Rickett <crickett@lanl.gov> * interface.c (gfc_compare_derived_types): Special case for comparing derived types across namespaces. (gfc_compare_types): Deal with BT_VOID. (compare_parameter): Use BT_VOID to accept ISO C Binding pointers. * trans-expr.c (gfc_conv_function_call): Remove setting parm_kind to SCALAR (gfc_conv_initializer): Deal with ISO C Binding NULL_PTR and NULL_FUNPTR. (gfc_conv_expr): Convert expressions for ISO C Binding derived types. * symbol.c (gfc_set_default_type): BIND(C) variables should not be implicitly declared. (check_conflict): Add BIND(C) and check for conflicts. (gfc_add_explicit_interface): Whitespace. (gfc_add_is_bind_c): New function. (gfc_copy_attr): Use it. (gfc_new_symbol): Initialize ISO C Binding objects. (get_iso_c_binding_dt): New function. (verify_bind_c_derived_type): Ditto. (gen_special_c_interop_ptr): Ditto. (add_formal_arg): Ditto. (gen_cptr_param): Ditto. (gen_fptr_param): Ditto. (gen_shape_param): Ditto. (add_proc_interface): Ditto. (build_formal_args): Ditto. (generate_isocbinding_symbol): Ditto. (get_iso_c_sym): Ditto. * decl.c (num_idents_on_line, has_name_equals): New variables. (verify_c_interop_param): New function. (build_sym): Finish binding labels and deal with COMMON blocks. (add_init_expr_to_sym): Check if the initialized expression is an iso_c_binding named constants (variable_decl): Set ISO C Binding type_spec components. (gfc_match_kind_spec): Check match for C interoperable kind. (match_char_spec): Fix comment. Chnage gfc_match_small_int to gfc_match_small_int_expr. Check for C interoperable kind. (match_type_spec): Clear the current binding label. (match_attr_spec): Add DECL_IS_BIND_C. If BIND(C) is found, use it to set attributes. (set_binding_label): New function. (set_com_block_bind_c): Ditto. (verify_c_interop): Ditto. (verify_com_block_vars_c_interop): Ditto. (verify_bind_c_sym): Ditto. (set_verify_bind_c_sym): Ditto. (set_verify_bind_c_com_block): Ditto. (get_bind_c_idents): Ditto. (gfc_match_bind_c_stmt): Ditto. (gfc_match_data_decl): Use num_idents_on_line. (match_result): Deal with right paren in BIND(C). (gfc_match_suffix): New function. (gfc_match_function_decl): Use it. Code is re-arranged to deal with ISO C Binding result clauses. (gfc_match_subroutine): Deal with BIND(C). (gfc_match_bind_c): New function. (gfc_get_type_attr_spec): New function. Code is re-arranged in and taken from gfc_match_derived_decl. (gfc_match_derived_decl): Add check for BIND(C). * trans-common.c: Forward declare gfc_get_common. (gfc_sym_mangled_common_id): Change arg from 'const char *name' to 'gfc_common_head *com'. Check for ISO C Binding of the common block. (build_common_decl): 'com->name' to 'com in SET_DECL_ASSEMBLER_NAME. * gfortran.h: Add GFC_MAX_BINDING_LABEL_LEN (bt): Add BT_VOID (sym_flavor): Add FL_VOID. (iso_fortran_env_symbol, iso_c_binding_symbol, intmod_id): New enum (CInteropKind_t): New struct. (c_interop_kinds_table): Use it. Declare an array of structs. (symbol_attribute): Add is_bind_c, is_c_interop, and is_iso_c bitfields. (gfc_typespec): Add is_c_interop; is_iso_c, and f90_type members. (gfc_symbol): Add from_intmod, intmod_sym_id, binding_label, and common_block members. (gfc_common_head): Add binding_label and is_bind_c members. (gfc_gsymbol): Add sym_name, mod_name, and binding_label members. Add prototypes for get_c_kind, gfc_validate_c_kind, gfc_check_any_c_kind, gfc_add_is_bind_c, gfc_add_value, verify_c_interop, verify_c_interop_param, verify_bind_c_sym, verify_bind_c_derived_type, verify_com_block_vars_c_interop, generate_isocbinding_symbol, get_iso_c_sym, gfc_iso_c_sub_interface * iso-c-binding.def: New file. This file contains the definitions of the types provided by the Fortran 2003 ISO_C_BINDING intrinsic module. * trans-const.c (gfc_conv_constant_to_tree): Deal with C_NULL_PTR or C_NULL_FUNPTR expressions. * expr.c (gfc_copy_expr): Add BT_VOID case. For BT_CHARACTER, the ISO C Binding requires a minimum string length of 1 for '\0'. * module.c (intmod_sym): New struct. (pointer_info): Add binding_label member. (write_atom): Set len to 0 for NULL pointers. Check for NULL p and *p. (ab_attribute): Add AB_IS_BIND_C, AB_IS_C_INTEROP and AB_IS_ISO_C. (attr_bits): Add "IS_BIND_C", "IS_C_INTEROP", and "IS_ISO_C". (mio_symbol_attribute): Deal with ISO C Binding attributes. (bt_types): Add "VOID". (mio_typespec): Deal with ISO C Binding components. (mio_namespace_ref): Add intmod variable. (mio_symbol): Check for symbols from an intrinsic module. (load_commons): Check for BIND(C) common block. (read_module): Read binding_label and use it. (write_common): Add label. Write BIND(C) info. (write_blank_common): Blank commons are not BIND(C). Explicitly set is_bind_c=0. (write_symbol): Deal with binding_label. (sort_iso_c_rename_list): New function. (import_iso_c_binding_module): Ditto. (create_int_parameter): Add to args. (use_iso_fortran_env_module): Adjust to deal with iso_c_binding intrinsic module. * trans-types.c (c_interop_kinds_table): new array of structs. (gfc_validate_c_kind): New function. (gfc_check_any_c_kind): Ditto. (get_real_kind_from_node): Ditto. (get_int_kind_from_node): Ditto. (get_int_kind_from_width): Ditto. (get_int_kind_from_minimal_width): Ditto. (init_c_interop_kinds): Ditto. (gfc_init_kinds): call init_c_interop_kinds. (gfc_typenode_for_spec): Adjust for BT_VOID and ISO C Binding pointers. Adjust handling of BT_DERIVED. (gfc_sym_type): Whitespace. (gfc_get_derived_type): Account for iso_c_binding derived types * resolve.c (is_scalar_expr_ptr): New function. (gfc_iso_c_func_interface): Ditto. (resolve_function): Use gfc_iso_c_func_interface. (set_name_and_label): New function. (gfc_iso_c_sub_interface): Ditto. (resolve_specific_s0): Use gfc_iso_c_sub_interface. (resolve_bind_c_comms): New function. (resolve_bind_c_derived_types): Ditto. (gfc_verify_binding_labels): Ditto. (resolve_fl_procedure): Check for ISO C interoperability. (resolve_symbol): Check C interoperability. (resolve_types): Walk the namespace. Check COMMON blocks. * trans-decl.c (gfc_sym_mangled_identifier): Prevent the mangling of identifiers that have an assigned binding label. (gfc_sym_mangled_function_id): Use the binding label rather than the mangled name. (gfc_finish_var_decl): Put variables that are BIND(C) into a common segment of the object file, because this is what C would do. (gfc_create_module_variable): Conver to proper types (set_tree_decl_type_code): New function. (generate_local_decl): Check dummy variables and derived types for ISO C Binding attributes. * match.c (gfc_match_small_int_expr): New function. (gfc_match_name_C): Ditto. (match_common_name): Deal with ISO C Binding in COMMON blocks * trans-io.c (transfer_expr): Deal with C_NULL_PTR or C_NULL_FUNPTR expressions * match.h: Add prototypes for gfc_match_small_int_expr, gfc_match_name_C, match_common_name, set_com_block_bind_c, set_binding_label, set_verify_bind_c_sym, set_verify_bind_c_com_block, get_bind_c_idents, gfc_match_bind_c_stmt, gfc_match_suffix, gfc_match_bind_c, gfc_get_type_attr_spec * parse.c (decode_statement): Use gfc_match_bind_c_stmt (parse_derived): Init *derived_sym = NULL, and gfc_current_block later for valiadation. * primary.c (got_delim): Set ISO C Binding components of ts. (match_logical_constant): Ditto. (match_complex_constant): Ditto. (match_complex_constant): Ditto. (gfc_match_rvalue): Check for existence of at least one arg for C_LOC, C_FUNLOC, and C_ASSOCIATED. * misc.c (gfc_clear_ts): Clear ISO C Bindoing components in ts. (get_c_kind): New function. 2007-07-01 Christopher D. Rickett <crickett@lanl.gov> * Makefile.in: Add support for iso_c_generated_procs.c and iso_c_binding.c. * Makefile.am: Ditto. * intrinsics/iso_c_generated_procs.c: New file containing helper functions. * intrinsics/iso_c_binding.c: Ditto. * intrinsics/iso_c_binding.h: New file * gfortran.map: Include the __iso_c_binding_c_* functions. * libgfortran.h: define GFC_NUM_RANK_BITS. 2007-06-23 Christopher D. Rickett <crickett@lanl.gov> * bind_c_array_params.f03: New files for Fortran 2003 ISO C Binding. * bind_c_coms.f90: Ditto. * bind_c_coms_driver.c: Ditto. * bind_c_dts.f90: Ditto. * bind_c_dts_2.f03: Ditto. * bind_c_dts_2_driver.c: Ditto. * bind_c_dts_3.f03: Ditto. * bind_c_dts_4.f03: Ditto. * bind_c_dts_driver.c: Ditto. * bind_c_implicit_vars.f03: Ditto. * bind_c_procs.f03: Ditto. * bind_c_usage_2.f03: Ditto. * bind_c_usage_3.f03: Ditto. * bind_c_usage_5.f03: Ditto. * bind_c_usage_6.f03: Ditto. * bind_c_usage_7.f03: Ditto. * bind_c_vars.f90: Ditto. * bind_c_vars_driver.c: Ditto. * binding_c_table_15_1.f03: Ditto. * binding_label_tests.f03: Ditto. * binding_label_tests_10.f03: Ditto. * binding_label_tests_10_main.f03: Ditto. * binding_label_tests_11.f03: Ditto. * binding_label_tests_11_main.f03: Ditto. * binding_label_tests_12.f03: Ditto. * binding_label_tests_13.f03: Ditto. * binding_label_tests_13_main.f03: Ditto. * binding_label_tests_14.f03: Ditto. * binding_label_tests_2.f03: Ditto. * binding_label_tests_3.f03: Ditto. * binding_label_tests_4.f03: Ditto. * binding_label_tests_5.f03: Ditto. * binding_label_tests_6.f03: Ditto. * binding_label_tests_7.f03: Ditto. * binding_label_tests_8.f03: Ditto. * binding_label_tests_9.f03: Ditto. * c_assoc.f90: Ditto. * c_assoc_2.f03: Ditto. * c_f_pointer_shape_test.f90: Ditto. * c_f_pointer_tests.f90: Ditto. * c_f_tests_driver.c: Ditto. * c_funloc_tests.f03: Ditto. * c_funloc_tests_2.f03: Ditto. * c_funloc_tests_3.f03: Ditto. * c_funloc_tests_3_funcs.c: Ditto. * c_kind_params.f90: Ditto. * c_kind_tests_2.f03: Ditto. * c_kinds.c: Ditto. * c_loc_driver.c: Ditto. * c_loc_test.f90: Ditto. * c_loc_tests_2.f03: Ditto. * c_loc_tests_2_funcs.c: Ditto. * c_loc_tests_3.f03: Ditto. * c_loc_tests_4.f03: Ditto. * c_loc_tests_5.f03: Ditto. * c_loc_tests_6.f03: Ditto. * c_loc_tests_7.f03: Ditto. * c_loc_tests_8.f03: Ditto. * c_ptr_tests.f03: Ditto. * c_ptr_tests_10.f03: Ditto. * c_ptr_tests_5.f03: Ditto. * c_ptr_tests_7.f03: Ditto. * c_ptr_tests_7_driver.c: Ditto. * c_ptr_tests_8.f03: Ditto. * c_ptr_tests_8_funcs.c: Ditto. * c_ptr_tests_9.f03: Ditto. * c_ptr_tests_driver.c: Ditto. * c_size_t_driver.c: Ditto. * c_size_t_test.f03: Ditto. * com_block_driver.f90: Ditto. * global_vars_c_init.f90: Ditto. * global_vars_c_init_driver.c: Ditto. * global_vars_f90_init.f90: Ditto. * global_vars_f90_init_driver.c: Ditto. * interop_params.f03: Ditto. * iso_c_binding_only.f03: Ditto. * iso_c_binding_rename_1.f03: Ditto. * iso_c_binding_rename_1_driver.c: Ditto. * iso_c_binding_rename_2.f03: Ditto. * iso_c_binding_rename_2_driver.c: Ditto. * kind_tests_2.f03: Ditto. * kind_tests_3.f03: Ditto. * module_md5_1.f90: Ditto. * only_clause_main.c: Ditto. * print_c_kinds.f90: Ditto. * test_bind_c_parens.f03: Ditto. * test_c_assoc.c: Ditto. * test_com_block.f90: Ditto. * test_common_binding_labels.f03: Ditto. * test_common_binding_labels_2.f03: Ditto. * test_common_binding_labels_2_main.f03: Ditto. * test_common_binding_labels_3.f03: Ditto. * test_common_binding_labels_3_main.f03: Ditto. * test_only_clause.f90: Ditto. * use_iso_c_binding.f90: Ditto. * value_5.f90: Ditto. * value_test.f90: Ditto. * value_tests_f03.f90: Ditto. From-SVN: r126185
2007-07-02 04:47:21 +02:00
any later version.
Libgfortran is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. */
[multiple changes] 2007-07-01 Christopher D. Rickett <crickett@lanl.gov> * interface.c (gfc_compare_derived_types): Special case for comparing derived types across namespaces. (gfc_compare_types): Deal with BT_VOID. (compare_parameter): Use BT_VOID to accept ISO C Binding pointers. * trans-expr.c (gfc_conv_function_call): Remove setting parm_kind to SCALAR (gfc_conv_initializer): Deal with ISO C Binding NULL_PTR and NULL_FUNPTR. (gfc_conv_expr): Convert expressions for ISO C Binding derived types. * symbol.c (gfc_set_default_type): BIND(C) variables should not be implicitly declared. (check_conflict): Add BIND(C) and check for conflicts. (gfc_add_explicit_interface): Whitespace. (gfc_add_is_bind_c): New function. (gfc_copy_attr): Use it. (gfc_new_symbol): Initialize ISO C Binding objects. (get_iso_c_binding_dt): New function. (verify_bind_c_derived_type): Ditto. (gen_special_c_interop_ptr): Ditto. (add_formal_arg): Ditto. (gen_cptr_param): Ditto. (gen_fptr_param): Ditto. (gen_shape_param): Ditto. (add_proc_interface): Ditto. (build_formal_args): Ditto. (generate_isocbinding_symbol): Ditto. (get_iso_c_sym): Ditto. * decl.c (num_idents_on_line, has_name_equals): New variables. (verify_c_interop_param): New function. (build_sym): Finish binding labels and deal with COMMON blocks. (add_init_expr_to_sym): Check if the initialized expression is an iso_c_binding named constants (variable_decl): Set ISO C Binding type_spec components. (gfc_match_kind_spec): Check match for C interoperable kind. (match_char_spec): Fix comment. Chnage gfc_match_small_int to gfc_match_small_int_expr. Check for C interoperable kind. (match_type_spec): Clear the current binding label. (match_attr_spec): Add DECL_IS_BIND_C. If BIND(C) is found, use it to set attributes. (set_binding_label): New function. (set_com_block_bind_c): Ditto. (verify_c_interop): Ditto. (verify_com_block_vars_c_interop): Ditto. (verify_bind_c_sym): Ditto. (set_verify_bind_c_sym): Ditto. (set_verify_bind_c_com_block): Ditto. (get_bind_c_idents): Ditto. (gfc_match_bind_c_stmt): Ditto. (gfc_match_data_decl): Use num_idents_on_line. (match_result): Deal with right paren in BIND(C). (gfc_match_suffix): New function. (gfc_match_function_decl): Use it. Code is re-arranged to deal with ISO C Binding result clauses. (gfc_match_subroutine): Deal with BIND(C). (gfc_match_bind_c): New function. (gfc_get_type_attr_spec): New function. Code is re-arranged in and taken from gfc_match_derived_decl. (gfc_match_derived_decl): Add check for BIND(C). * trans-common.c: Forward declare gfc_get_common. (gfc_sym_mangled_common_id): Change arg from 'const char *name' to 'gfc_common_head *com'. Check for ISO C Binding of the common block. (build_common_decl): 'com->name' to 'com in SET_DECL_ASSEMBLER_NAME. * gfortran.h: Add GFC_MAX_BINDING_LABEL_LEN (bt): Add BT_VOID (sym_flavor): Add FL_VOID. (iso_fortran_env_symbol, iso_c_binding_symbol, intmod_id): New enum (CInteropKind_t): New struct. (c_interop_kinds_table): Use it. Declare an array of structs. (symbol_attribute): Add is_bind_c, is_c_interop, and is_iso_c bitfields. (gfc_typespec): Add is_c_interop; is_iso_c, and f90_type members. (gfc_symbol): Add from_intmod, intmod_sym_id, binding_label, and common_block members. (gfc_common_head): Add binding_label and is_bind_c members. (gfc_gsymbol): Add sym_name, mod_name, and binding_label members. Add prototypes for get_c_kind, gfc_validate_c_kind, gfc_check_any_c_kind, gfc_add_is_bind_c, gfc_add_value, verify_c_interop, verify_c_interop_param, verify_bind_c_sym, verify_bind_c_derived_type, verify_com_block_vars_c_interop, generate_isocbinding_symbol, get_iso_c_sym, gfc_iso_c_sub_interface * iso-c-binding.def: New file. This file contains the definitions of the types provided by the Fortran 2003 ISO_C_BINDING intrinsic module. * trans-const.c (gfc_conv_constant_to_tree): Deal with C_NULL_PTR or C_NULL_FUNPTR expressions. * expr.c (gfc_copy_expr): Add BT_VOID case. For BT_CHARACTER, the ISO C Binding requires a minimum string length of 1 for '\0'. * module.c (intmod_sym): New struct. (pointer_info): Add binding_label member. (write_atom): Set len to 0 for NULL pointers. Check for NULL p and *p. (ab_attribute): Add AB_IS_BIND_C, AB_IS_C_INTEROP and AB_IS_ISO_C. (attr_bits): Add "IS_BIND_C", "IS_C_INTEROP", and "IS_ISO_C". (mio_symbol_attribute): Deal with ISO C Binding attributes. (bt_types): Add "VOID". (mio_typespec): Deal with ISO C Binding components. (mio_namespace_ref): Add intmod variable. (mio_symbol): Check for symbols from an intrinsic module. (load_commons): Check for BIND(C) common block. (read_module): Read binding_label and use it. (write_common): Add label. Write BIND(C) info. (write_blank_common): Blank commons are not BIND(C). Explicitly set is_bind_c=0. (write_symbol): Deal with binding_label. (sort_iso_c_rename_list): New function. (import_iso_c_binding_module): Ditto. (create_int_parameter): Add to args. (use_iso_fortran_env_module): Adjust to deal with iso_c_binding intrinsic module. * trans-types.c (c_interop_kinds_table): new array of structs. (gfc_validate_c_kind): New function. (gfc_check_any_c_kind): Ditto. (get_real_kind_from_node): Ditto. (get_int_kind_from_node): Ditto. (get_int_kind_from_width): Ditto. (get_int_kind_from_minimal_width): Ditto. (init_c_interop_kinds): Ditto. (gfc_init_kinds): call init_c_interop_kinds. (gfc_typenode_for_spec): Adjust for BT_VOID and ISO C Binding pointers. Adjust handling of BT_DERIVED. (gfc_sym_type): Whitespace. (gfc_get_derived_type): Account for iso_c_binding derived types * resolve.c (is_scalar_expr_ptr): New function. (gfc_iso_c_func_interface): Ditto. (resolve_function): Use gfc_iso_c_func_interface. (set_name_and_label): New function. (gfc_iso_c_sub_interface): Ditto. (resolve_specific_s0): Use gfc_iso_c_sub_interface. (resolve_bind_c_comms): New function. (resolve_bind_c_derived_types): Ditto. (gfc_verify_binding_labels): Ditto. (resolve_fl_procedure): Check for ISO C interoperability. (resolve_symbol): Check C interoperability. (resolve_types): Walk the namespace. Check COMMON blocks. * trans-decl.c (gfc_sym_mangled_identifier): Prevent the mangling of identifiers that have an assigned binding label. (gfc_sym_mangled_function_id): Use the binding label rather than the mangled name. (gfc_finish_var_decl): Put variables that are BIND(C) into a common segment of the object file, because this is what C would do. (gfc_create_module_variable): Conver to proper types (set_tree_decl_type_code): New function. (generate_local_decl): Check dummy variables and derived types for ISO C Binding attributes. * match.c (gfc_match_small_int_expr): New function. (gfc_match_name_C): Ditto. (match_common_name): Deal with ISO C Binding in COMMON blocks * trans-io.c (transfer_expr): Deal with C_NULL_PTR or C_NULL_FUNPTR expressions * match.h: Add prototypes for gfc_match_small_int_expr, gfc_match_name_C, match_common_name, set_com_block_bind_c, set_binding_label, set_verify_bind_c_sym, set_verify_bind_c_com_block, get_bind_c_idents, gfc_match_bind_c_stmt, gfc_match_suffix, gfc_match_bind_c, gfc_get_type_attr_spec * parse.c (decode_statement): Use gfc_match_bind_c_stmt (parse_derived): Init *derived_sym = NULL, and gfc_current_block later for valiadation. * primary.c (got_delim): Set ISO C Binding components of ts. (match_logical_constant): Ditto. (match_complex_constant): Ditto. (match_complex_constant): Ditto. (gfc_match_rvalue): Check for existence of at least one arg for C_LOC, C_FUNLOC, and C_ASSOCIATED. * misc.c (gfc_clear_ts): Clear ISO C Bindoing components in ts. (get_c_kind): New function. 2007-07-01 Christopher D. Rickett <crickett@lanl.gov> * Makefile.in: Add support for iso_c_generated_procs.c and iso_c_binding.c. * Makefile.am: Ditto. * intrinsics/iso_c_generated_procs.c: New file containing helper functions. * intrinsics/iso_c_binding.c: Ditto. * intrinsics/iso_c_binding.h: New file * gfortran.map: Include the __iso_c_binding_c_* functions. * libgfortran.h: define GFC_NUM_RANK_BITS. 2007-06-23 Christopher D. Rickett <crickett@lanl.gov> * bind_c_array_params.f03: New files for Fortran 2003 ISO C Binding. * bind_c_coms.f90: Ditto. * bind_c_coms_driver.c: Ditto. * bind_c_dts.f90: Ditto. * bind_c_dts_2.f03: Ditto. * bind_c_dts_2_driver.c: Ditto. * bind_c_dts_3.f03: Ditto. * bind_c_dts_4.f03: Ditto. * bind_c_dts_driver.c: Ditto. * bind_c_implicit_vars.f03: Ditto. * bind_c_procs.f03: Ditto. * bind_c_usage_2.f03: Ditto. * bind_c_usage_3.f03: Ditto. * bind_c_usage_5.f03: Ditto. * bind_c_usage_6.f03: Ditto. * bind_c_usage_7.f03: Ditto. * bind_c_vars.f90: Ditto. * bind_c_vars_driver.c: Ditto. * binding_c_table_15_1.f03: Ditto. * binding_label_tests.f03: Ditto. * binding_label_tests_10.f03: Ditto. * binding_label_tests_10_main.f03: Ditto. * binding_label_tests_11.f03: Ditto. * binding_label_tests_11_main.f03: Ditto. * binding_label_tests_12.f03: Ditto. * binding_label_tests_13.f03: Ditto. * binding_label_tests_13_main.f03: Ditto. * binding_label_tests_14.f03: Ditto. * binding_label_tests_2.f03: Ditto. * binding_label_tests_3.f03: Ditto. * binding_label_tests_4.f03: Ditto. * binding_label_tests_5.f03: Ditto. * binding_label_tests_6.f03: Ditto. * binding_label_tests_7.f03: Ditto. * binding_label_tests_8.f03: Ditto. * binding_label_tests_9.f03: Ditto. * c_assoc.f90: Ditto. * c_assoc_2.f03: Ditto. * c_f_pointer_shape_test.f90: Ditto. * c_f_pointer_tests.f90: Ditto. * c_f_tests_driver.c: Ditto. * c_funloc_tests.f03: Ditto. * c_funloc_tests_2.f03: Ditto. * c_funloc_tests_3.f03: Ditto. * c_funloc_tests_3_funcs.c: Ditto. * c_kind_params.f90: Ditto. * c_kind_tests_2.f03: Ditto. * c_kinds.c: Ditto. * c_loc_driver.c: Ditto. * c_loc_test.f90: Ditto. * c_loc_tests_2.f03: Ditto. * c_loc_tests_2_funcs.c: Ditto. * c_loc_tests_3.f03: Ditto. * c_loc_tests_4.f03: Ditto. * c_loc_tests_5.f03: Ditto. * c_loc_tests_6.f03: Ditto. * c_loc_tests_7.f03: Ditto. * c_loc_tests_8.f03: Ditto. * c_ptr_tests.f03: Ditto. * c_ptr_tests_10.f03: Ditto. * c_ptr_tests_5.f03: Ditto. * c_ptr_tests_7.f03: Ditto. * c_ptr_tests_7_driver.c: Ditto. * c_ptr_tests_8.f03: Ditto. * c_ptr_tests_8_funcs.c: Ditto. * c_ptr_tests_9.f03: Ditto. * c_ptr_tests_driver.c: Ditto. * c_size_t_driver.c: Ditto. * c_size_t_test.f03: Ditto. * com_block_driver.f90: Ditto. * global_vars_c_init.f90: Ditto. * global_vars_c_init_driver.c: Ditto. * global_vars_f90_init.f90: Ditto. * global_vars_f90_init_driver.c: Ditto. * interop_params.f03: Ditto. * iso_c_binding_only.f03: Ditto. * iso_c_binding_rename_1.f03: Ditto. * iso_c_binding_rename_1_driver.c: Ditto. * iso_c_binding_rename_2.f03: Ditto. * iso_c_binding_rename_2_driver.c: Ditto. * kind_tests_2.f03: Ditto. * kind_tests_3.f03: Ditto. * module_md5_1.f90: Ditto. * only_clause_main.c: Ditto. * print_c_kinds.f90: Ditto. * test_bind_c_parens.f03: Ditto. * test_c_assoc.c: Ditto. * test_com_block.f90: Ditto. * test_common_binding_labels.f03: Ditto. * test_common_binding_labels_2.f03: Ditto. * test_common_binding_labels_2_main.f03: Ditto. * test_common_binding_labels_3.f03: Ditto. * test_common_binding_labels_3_main.f03: Ditto. * test_only_clause.f90: Ditto. * use_iso_c_binding.f90: Ditto. * value_5.f90: Ditto. * value_test.f90: Ditto. * value_tests_f03.f90: Ditto. From-SVN: r126185
2007-07-02 04:47:21 +02:00
/* Declarations for ISO_C_BINDING library helper functions. */
#ifndef GFOR_ISO_C_BINDING_H
#define GFOR_ISO_C_BINDING_H
#include "libgfortran.h"
typedef struct c_ptr
{
void *c_address;
}
c_ptr_t;
typedef struct c_funptr
{
void *c_address;
}
c_funptr_t;
#define ISO_C_BINDING_PREFIX(a) __iso_c_binding_##a
void ISO_C_BINDING_PREFIX(c_f_pointer)(void *, gfc_array_void *,
const array_t *, int, int);
void ISO_C_BINDING_PREFIX(c_f_pointer_u0) (void *, gfc_array_void *,
const array_t *);
void ISO_C_BINDING_PREFIX(c_f_pointer_d0) (void *, gfc_array_void *,
const array_t *);
#endif