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a121b7c1ac
This is the remainder boring constification that all looks more of less borderline obvious IMO. gdb/ChangeLog: 2017-04-05 Pedro Alves <palves@redhat.com> * ada-exp.y (yyerror): Constify. * ada-lang.c (bound_name, get_selections) (ada_variant_discrim_type) (ada_variant_discrim_name, ada_value_struct_elt) (ada_lookup_struct_elt_type, is_unchecked_variant) (ada_which_variant_applies, standard_exc, ada_get_next_arg) (catch_ada_exception_command_split) (catch_ada_assert_command_split, catch_assert_command) (ada_op_name): Constify. * ada-lang.h (ada_yyerror, get_selections) (ada_variant_discrim_name, ada_value_struct_elt): Constify. * arc-tdep.c (arc_print_frame_cache): Constify. * arm-tdep.c (arm_skip_stub): Constify. * ax-gdb.c (gen_binop, gen_struct_ref_recursive, gen_struct_ref) (gen_aggregate_elt_ref): Constify. * bcache.c (print_bcache_statistics): Constify. * bcache.h (print_bcache_statistics): Constify. * break-catch-throw.c (catch_exception_command_1): * breakpoint.c (struct ep_type_description::description): Constify. (add_solib_catchpoint): Constify. (catch_fork_command_1): Add cast. (add_catch_command): Constify. * breakpoint.h (add_catch_command, add_solib_catchpoint): Constify. * bsd-uthread.c (bsd_uthread_state): Constify. * buildsym.c (patch_subfile_names): Constify. * buildsym.h (next_symbol_text_func, patch_subfile_names): Constify. * c-exp.y (yyerror): Constify. (token::oper): Constify. * c-lang.h (c_yyerror, cp_print_class_member): Constify. * c-varobj.c (cplus_describe_child): Constify. * charset.c (find_charset_names): Add cast. (find_charset_names): Constify array and add const_cast. * cli/cli-cmds.c (complete_command, cd_command): Constify. (edit_command): Constify. * cli/cli-decode.c (lookup_cmd): Constify. * cli/cli-dump.c (dump_memory_command, dump_value_command): Constify. (struct dump_context): Constify. (add_dump_command, restore_command): Constify. * cli/cli-script.c (get_command_line): Constify. * cli/cli-script.h (get_command_line): Constify. * cli/cli-utils.c (check_for_argument): Constify. * cli/cli-utils.h (check_for_argument): Constify. * coff-pe-read.c (struct read_pe_section_data): Constify. * command.h (lookup_cmd): Constify. * common/print-utils.c (decimal2str): Constify. * completer.c (gdb_print_filename): Constify. * corefile.c (set_gnutarget): Constify. * cp-name-parser.y (yyerror): Constify. * cp-valprint.c (cp_print_class_member): Constify. * cris-tdep.c (cris_register_name, crisv32_register_name): Constify. * d-exp.y (yyerror): Constify. (struct token::oper): Constify. * d-lang.h (d_yyerror): Constify. * dbxread.c (struct header_file_location::name): Constify. (add_old_header_file, add_new_header_file, last_function_name) (dbx_next_symbol_text, add_bincl_to_list) (find_corresponding_bincl_psymtab, set_namestring) (find_stab_function_addr, read_dbx_symtab, start_psymtab) (dbx_end_psymtab, read_ofile_symtab, process_one_symbol): * defs.h (command_line_input, print_address_symbolic) (deprecated_readline_begin_hook): Constify. * dwarf2read.c (anonymous_struct_prefix, dwarf_bool_name): Constify. * event-top.c (handle_line_of_input): Constify and add cast. * exceptions.c (catch_errors): Constify. * exceptions.h (catch_errors): Constify. * expprint.c (print_subexp_standard, op_string, op_name) (op_name_standard, dump_raw_expression, dump_raw_expression): * expression.h (op_name, op_string, dump_raw_expression): Constify. * f-exp.y (yyerror): Constify. (struct token::oper): Constify. (struct f77_boolean_val::name): Constify. * f-lang.c (f_word_break_characters): Constify. * f-lang.h (f_yyerror): Constify. * fork-child.c (fork_inferior): Add cast. * frv-tdep.c (struct gdbarch_tdep::register_names): Constify. (new_variant): Constify. * gdbarch.sh (pstring_ptr, pstring_list): Constify. * gdbarch.c: Regenerate. * gdbcore.h (set_gnutarget): Constify. * go-exp.y (yyerror): Constify. (token::oper): Constify. * go-lang.h (go_yyerror): Constify. * go32-nat.c (go32_sysinfo): Constify. * guile/scm-breakpoint.c (gdbscm_breakpoint_expression): Constify. * guile/scm-cmd.c (cmdscm_function): Constify. * guile/scm-param.c (pascm_param_value): Constify. * h8300-tdep.c (h8300_register_name, h8300s_register_name) (h8300sx_register_name): Constify. * hppa-tdep.c (hppa32_register_name, hppa64_register_name): Constify. * ia64-tdep.c (ia64_register_names): Constify. * infcmd.c (construct_inferior_arguments): Constify. (path_command, attach_post_wait): Constify. * language.c (show_range_command, show_case_command) (unk_lang_error): Constify. * language.h (language_defn::la_error) (language_defn::la_name_of_this): Constify. * linespec.c (decode_line_2): Constify. * linux-thread-db.c (thread_db_err_str): Constify. * lm32-tdep.c (lm32_register_name): Constify. * m2-exp.y (yyerror): Constify. * m2-lang.h (m2_yyerror): Constify. * m32r-tdep.c (m32r_register_names): Constify and make static. * m68hc11-tdep.c (m68hc11_register_names): Constify. * m88k-tdep.c (m88k_register_name): Constify. * macroexp.c (appendmem): Constify. * mdebugread.c (fdr_name, add_data_symbol, parse_type) (upgrade_type, parse_external, parse_partial_symbols) (mdebug_next_symbol_text, cross_ref, mylookup_symbol, new_psymtab) (new_symbol): Constify. * memattr.c (mem_info_command): Constify. * mep-tdep.c (register_name_from_keyword): Constify. * mi/mi-cmd-env.c (mi_cmd_env_path, _initialize_mi_cmd_env): Constify. * mi/mi-cmd-stack.c (list_args_or_locals): Constify. * mi/mi-cmd-var.c (mi_cmd_var_show_attributes): Constify. * mi/mi-main.c (captured_mi_execute_command): Constify and add cast. (mi_execute_async_cli_command): Constify. * mips-tdep.c (mips_register_name): Constify. * mn10300-tdep.c (register_name, mn10300_generic_register_name) (am33_register_name, am33_2_register_name) * moxie-tdep.c (moxie_register_names): Constify. * nat/linux-osdata.c (osdata_type): Constify fields. * nto-tdep.c (nto_parse_redirection): Constify. * objc-lang.c (lookup_struct_typedef, lookup_objc_class) (lookup_child_selector): Constify. (objc_methcall::name): Constify. * objc-lang.h (lookup_objc_class, lookup_child_selector) (lookup_struct_typedef): Constify. * objfiles.c (pc_in_section): Constify. * objfiles.h (pc_in_section): Constify. * p-exp.y (struct token::oper): Constify. (yyerror): Constify. * p-lang.h (pascal_yyerror): Constify. * parser-defs.h (op_name_standard): Constify. (op_print::string): Constify. (exp_descriptor::op_name): Constify. * printcmd.c (print_address_symbolic): Constify. * psymtab.c (print_partial_symbols): Constify. * python/py-breakpoint.c (stop_func): Constify. (bppy_get_expression): Constify. * python/py-cmd.c (cmdpy_completer::name): Constify. (cmdpy_function): Constify. * python/py-event.c (evpy_add_attribute) (gdbpy_initialize_event_generic): Constify. * python/py-event.h (evpy_add_attribute) (gdbpy_initialize_event_generic): Constify. * python/py-evts.c (add_new_registry): Constify. * python/py-finishbreakpoint.c (outofscope_func): Constify. * python/py-framefilter.c (get_py_iter_from_func): Constify. * python/py-inferior.c (get_buffer): Add cast. * python/py-param.c (parm_constant::name): Constify. * python/py-unwind.c (fprint_frame_id): Constify. * python/python.c (gdbpy_parameter_value): Constify. * remote-fileio.c (remote_fio_func_map): Make 'name' const. * remote.c (memory_packet_config::name): Constify. (show_packet_config_cmd, remote_write_bytes) (remote_buffer_add_string): * reverse.c (exec_reverse_once): Constify. * rs6000-tdep.c (variant::name, variant::description): Constify. * rust-exp.y (rustyyerror): Constify. * rust-lang.c (rust_op_name): Constify. * rust-lang.h (rustyyerror): Constify. * serial.h (serial_ops::name): Constify. * sh-tdep.c (sh_sh_register_name, sh_sh3_register_name) (sh_sh3e_register_name, sh_sh2e_register_name) (sh_sh2a_register_name, sh_sh2a_nofpu_register_name) (sh_sh_dsp_register_name, sh_sh3_dsp_register_name) (sh_sh4_register_name, sh_sh4_nofpu_register_name) (sh_sh4al_dsp_register_name): Constify. * sh64-tdep.c (sh64_register_name): Constify. * solib-darwin.c (lookup_symbol_from_bfd): Constify. * spu-tdep.c (spu_register_name, info_spu_dma_cmdlist): Constify. * stabsread.c (patch_block_stabs, read_type_number) (ref_map::stabs, ref_add, process_reference) (symbol_reference_defined, define_symbol, define_symbol) (error_type, read_type, read_member_functions, read_cpp_abbrev) (read_one_struct_field, read_struct_fields, read_baseclasses) (read_tilde_fields, read_struct_type, read_array_type) (read_enum_type, read_sun_builtin_type, read_sun_floating_type) (read_huge_number, read_range_type, read_args, common_block_start) (find_name_end): Constify. * stabsread.h (common_block_start, define_symbol) (process_one_symbol, symbol_reference_defined, ref_add): * symfile.c (get_section_index, add_symbol_file_command): * symfile.h (get_section_index): Constify. * target-descriptions.c (tdesc_type::name): Constify. (tdesc_free_type): Add cast. * target.c (find_default_run_target): (add_deprecated_target_alias, find_default_run_target) (target_announce_detach): Constify. (do_option): Constify. * target.h (add_deprecated_target_alias): Constify. * thread.c (print_thread_info_1): Constify. * top.c (deprecated_readline_begin_hook, command_line_input): Constify. (init_main): Add casts. * top.h (handle_line_of_input): Constify. * tracefile-tfile.c (tfile_write_uploaded_tsv): Constify. * tracepoint.c (tvariables_info_1, trace_status_mi): Constify. (tfind_command): Rename to ... (tfind_command_1): ... this and constify. (tfind_command): New function. (tfind_end_command, tfind_start_command): Adjust. (encode_source_string): Constify. * tracepoint.h (encode_source_string): Constify. * tui/tui-data.c (tui_partial_win_by_name): Constify. * tui/tui-data.h (tui_partial_win_by_name): Constify. * tui/tui-source.c (tui_set_source_content_nil): Constify. * tui/tui-source.h (tui_set_source_content_nil): Constify. * tui/tui-win.c (parse_scrolling_args): Constify. * tui/tui-windata.c (tui_erase_data_content): Constify. * tui/tui-windata.h (tui_erase_data_content): Constify. * tui/tui-winsource.c (tui_erase_source_content): Constify. * tui/tui.c (tui_enable): Add cast. * utils.c (defaulted_query): Constify. (init_page_info): Add cast. (puts_debug, subset_compare): Constify. * utils.h (subset_compare): Constify. * varobj.c (varobj_format_string): Constify. * varobj.h (varobj_format_string): Constify. * vax-tdep.c (vax_register_name): Constify. * windows-nat.c (windows_detach): Constify. * xcoffread.c (process_linenos, xcoff_next_symbol_text): Constify. * xml-support.c (gdb_xml_end_element): Constify. * xml-tdesc.c (tdesc_start_reg): Constify. * xstormy16-tdep.c (xstormy16_register_name): Constify. * xtensa-tdep.c (xtensa_find_register_by_name): Constify. * xtensa-tdep.h (xtensa_register_t::name): Constify. gdb/gdbserver/ChangeLog: 2017-04-05 Pedro Alves <palves@redhat.com> * gdbreplay.c (sync_error): Constify. * linux-x86-low.c (push_opcode): Constify.
613 lines
22 KiB
C++
613 lines
22 KiB
C++
/* Source-language-related definitions for GDB.
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Copyright (C) 1991-2017 Free Software Foundation, Inc.
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Contributed by the Department of Computer Science at the State University
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of New York at Buffalo.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#if !defined (LANGUAGE_H)
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#define LANGUAGE_H 1
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#include "symtab.h"
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#include "common/function-view.h"
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/* Forward decls for prototypes. */
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struct value;
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struct objfile;
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struct frame_info;
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struct expression;
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struct ui_file;
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struct value_print_options;
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struct type_print_options;
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struct lang_varobj_ops;
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struct parser_state;
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struct compile_instance;
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#define MAX_FORTRAN_DIMS 7 /* Maximum number of F77 array dims. */
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/* range_mode ==
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range_mode_auto: range_check set automatically to default of language.
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range_mode_manual: range_check set manually by user. */
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extern enum range_mode
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{
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range_mode_auto, range_mode_manual
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}
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range_mode;
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/* range_check ==
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range_check_on: Ranges are checked in GDB expressions, producing errors.
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range_check_warn: Ranges are checked, producing warnings.
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range_check_off: Ranges are not checked in GDB expressions. */
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extern enum range_check
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{
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range_check_off, range_check_warn, range_check_on
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}
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range_check;
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/* case_mode ==
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case_mode_auto: case_sensitivity set upon selection of scope.
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case_mode_manual: case_sensitivity set only by user. */
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extern enum case_mode
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{
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case_mode_auto, case_mode_manual
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}
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case_mode;
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/* array_ordering ==
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array_row_major: Arrays are in row major order.
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array_column_major: Arrays are in column major order. */
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extern enum array_ordering
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{
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array_row_major, array_column_major
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}
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array_ordering;
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/* case_sensitivity ==
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case_sensitive_on: Case sensitivity in name matching is used.
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case_sensitive_off: Case sensitivity in name matching is not used. */
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extern enum case_sensitivity
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{
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case_sensitive_on, case_sensitive_off
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}
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case_sensitivity;
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/* macro_expansion ==
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macro_expansion_no: No macro expansion is available.
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macro_expansion_c: C-like macro expansion is available. */
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enum macro_expansion
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{
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macro_expansion_no, macro_expansion_c
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};
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/* Per architecture (OS/ABI) language information. */
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struct language_arch_info
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{
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/* Its primitive types. This is a vector ended by a NULL pointer.
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These types can be specified by name in parsing types in
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expressions, regardless of whether the program being debugged
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actually defines such a type. */
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struct type **primitive_type_vector;
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/* Symbol wrappers around primitive_type_vector, so that the symbol lookup
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machinery can return them. */
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struct symbol **primitive_type_symbols;
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/* Type of elements of strings. */
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struct type *string_char_type;
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/* Symbol name of type to use as boolean type, if defined. */
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const char *bool_type_symbol;
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/* Otherwise, this is the default boolean builtin type. */
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struct type *bool_type_default;
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};
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/* A pointer to a function expected to return nonzero if
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SYMBOL_SEARCH_NAME matches the given LOOKUP_NAME.
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SYMBOL_SEARCH_NAME should be a symbol's "search" name.
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LOOKUP_NAME should be the name of an entity after it has been
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transformed for lookup. */
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typedef int (*symbol_name_cmp_ftype) (const char *symbol_search_name,
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const char *lookup_name);
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/* Structure tying together assorted information about a language. */
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struct language_defn
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{
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/* Name of the language. */
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const char *la_name;
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/* Natural or official name of the language. */
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const char *la_natural_name;
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/* its symtab language-enum (defs.h). */
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enum language la_language;
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/* Default range checking. */
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enum range_check la_range_check;
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/* Default case sensitivity. */
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enum case_sensitivity la_case_sensitivity;
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/* Multi-dimensional array ordering. */
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enum array_ordering la_array_ordering;
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/* Style of macro expansion, if any, supported by this language. */
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enum macro_expansion la_macro_expansion;
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/* A NULL-terminated array of file extensions for this language.
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The extension must include the ".", like ".c". If this
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language doesn't need to provide any filename extensions, this
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may be NULL. */
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const char *const *la_filename_extensions;
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/* Definitions related to expression printing, prefixifying, and
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dumping. */
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const struct exp_descriptor *la_exp_desc;
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/* Parser function. */
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int (*la_parser) (struct parser_state *);
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/* Parser error function. */
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void (*la_error) (const char *);
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/* Given an expression *EXPP created by prefixifying the result of
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la_parser, perform any remaining processing necessary to complete
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its translation. *EXPP may change; la_post_parser is responsible
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for releasing its previous contents, if necessary. If
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VOID_CONTEXT_P, then no value is expected from the expression. */
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void (*la_post_parser) (struct expression ** expp, int void_context_p);
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void (*la_printchar) (int ch, struct type *chtype,
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struct ui_file * stream);
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void (*la_printstr) (struct ui_file * stream, struct type *elttype,
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const gdb_byte *string, unsigned int length,
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const char *encoding, int force_ellipses,
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const struct value_print_options *);
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void (*la_emitchar) (int ch, struct type *chtype,
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struct ui_file * stream, int quoter);
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/* Print a type using syntax appropriate for this language. */
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void (*la_print_type) (struct type *, const char *, struct ui_file *, int,
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int, const struct type_print_options *);
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/* Print a typedef using syntax appropriate for this language.
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TYPE is the underlying type. NEW_SYMBOL is the symbol naming
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the type. STREAM is the output stream on which to print. */
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void (*la_print_typedef) (struct type *type, struct symbol *new_symbol,
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struct ui_file *stream);
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/* Print a value using syntax appropriate for this language.
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TYPE is the type of the sub-object to be printed.
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EMBEDDED_OFFSET is the offset into the outermost object of the
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sub-object represented by TYPE. This is the object which this
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call should print. Note that the enclosing type is not
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available.
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ADDRESS is the address in the inferior of the enclosing object.
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STREAM is the stream on which the value is to be printed.
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RECURSE is the recursion depth. It is zero-based.
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OPTIONS are the formatting options to be used when
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printing. */
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void (*la_val_print) (struct type *type,
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int embedded_offset, CORE_ADDR address,
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struct ui_file *stream, int recurse,
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struct value *val,
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const struct value_print_options *options);
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/* Print a top-level value using syntax appropriate for this language. */
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void (*la_value_print) (struct value *, struct ui_file *,
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const struct value_print_options *);
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/* Given a symbol VAR, the corresponding block VAR_BLOCK (if any) and a
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stack frame id FRAME, read the value of the variable and return (pointer
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to a) struct value containing the value.
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VAR_BLOCK is needed if there's a possibility for VAR to be outside
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FRAME. This is what happens if FRAME correspond to a nested function
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and VAR is defined in the outer function. If callers know that VAR is
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located in FRAME or is global/static, NULL can be passed as VAR_BLOCK.
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Throw an error if the variable cannot be found. */
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struct value *(*la_read_var_value) (struct symbol *var,
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const struct block *var_block,
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struct frame_info *frame);
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/* PC is possibly an unknown languages trampoline.
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If that PC falls in a trampoline belonging to this language,
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return the address of the first pc in the real function, or 0
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if it isn't a language tramp for this language. */
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CORE_ADDR (*skip_trampoline) (struct frame_info *, CORE_ADDR);
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/* Now come some hooks for lookup_symbol. */
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/* If this is non-NULL, specifies the name that of the implicit
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local variable that refers to the current object instance. */
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const char *la_name_of_this;
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/* This is a function that lookup_symbol will call when it gets to
|
||
the part of symbol lookup where C looks up static and global
|
||
variables. */
|
||
|
||
struct block_symbol (*la_lookup_symbol_nonlocal)
|
||
(const struct language_defn *,
|
||
const char *,
|
||
const struct block *,
|
||
const domain_enum);
|
||
|
||
/* Find the definition of the type with the given name. */
|
||
struct type *(*la_lookup_transparent_type) (const char *);
|
||
|
||
/* Return demangled language symbol, or NULL. */
|
||
char *(*la_demangle) (const char *mangled, int options);
|
||
|
||
/* Demangle a symbol according to this language's rules. Unlike
|
||
la_demangle, this does not take any options.
|
||
|
||
*DEMANGLED will be set by this function.
|
||
|
||
If this function returns 0, then *DEMANGLED must always be set
|
||
to NULL.
|
||
|
||
If this function returns 1, the implementation may set this to
|
||
a xmalloc'd string holding the demangled form. However, it is
|
||
not required to. The string, if any, is owned by the caller.
|
||
|
||
The resulting string should be of the form that will be
|
||
installed into a symbol. */
|
||
int (*la_sniff_from_mangled_name) (const char *mangled, char **demangled);
|
||
|
||
/* Return class name of a mangled method name or NULL. */
|
||
char *(*la_class_name_from_physname) (const char *physname);
|
||
|
||
/* Table for printing expressions. */
|
||
|
||
const struct op_print *la_op_print_tab;
|
||
|
||
/* Zero if the language has first-class arrays. True if there are no
|
||
array values, and array objects decay to pointers, as in C. */
|
||
|
||
char c_style_arrays;
|
||
|
||
/* Index to use for extracting the first element of a string. */
|
||
char string_lower_bound;
|
||
|
||
/* The list of characters forming word boundaries. */
|
||
const char *(*la_word_break_characters) (void);
|
||
|
||
/* Should return a vector of all symbols which are possible
|
||
completions for TEXT. WORD is the entire command on which the
|
||
completion is being made. If CODE is TYPE_CODE_UNDEF, then all
|
||
symbols should be examined; otherwise, only STRUCT_DOMAIN
|
||
symbols whose type has a code of CODE should be matched. */
|
||
VEC (char_ptr) *(*la_make_symbol_completion_list) (const char *text,
|
||
const char *word,
|
||
enum type_code code);
|
||
|
||
/* The per-architecture (OS/ABI) language information. */
|
||
void (*la_language_arch_info) (struct gdbarch *,
|
||
struct language_arch_info *);
|
||
|
||
/* Print the index of an element of an array. */
|
||
void (*la_print_array_index) (struct value *index_value,
|
||
struct ui_file *stream,
|
||
const struct value_print_options *options);
|
||
|
||
/* Return non-zero if TYPE should be passed (and returned) by
|
||
reference at the language level. */
|
||
int (*la_pass_by_reference) (struct type *type);
|
||
|
||
/* Obtain a string from the inferior, storing it in a newly allocated
|
||
buffer in BUFFER, which should be freed by the caller. If the
|
||
in- and out-parameter *LENGTH is specified at -1, the string is
|
||
read until a null character of the appropriate width is found -
|
||
otherwise the string is read to the length of characters specified.
|
||
On completion, *LENGTH will hold the size of the string in characters.
|
||
If a *LENGTH of -1 was specified it will count only actual
|
||
characters, excluding any eventual terminating null character.
|
||
Otherwise *LENGTH will include all characters - including any nulls.
|
||
CHARSET will hold the encoding used in the string. */
|
||
void (*la_get_string) (struct value *value, gdb_byte **buffer, int *length,
|
||
struct type **chartype, const char **charset);
|
||
|
||
/* Return a pointer to the function that should be used to match
|
||
a symbol name against LOOKUP_NAME. This is mostly for languages
|
||
such as Ada where the matching algorithm depends on LOOKUP_NAME.
|
||
|
||
This field may be NULL, in which case strcmp_iw will be used
|
||
to perform the matching. */
|
||
symbol_name_cmp_ftype (*la_get_symbol_name_cmp) (const char *lookup_name);
|
||
|
||
/* Find all symbols in the current program space matching NAME in
|
||
DOMAIN, according to this language's rules.
|
||
|
||
The search is done in BLOCK only.
|
||
The caller is responsible for iterating up through superblocks
|
||
if desired.
|
||
|
||
For each one, call CALLBACK with the symbol. If CALLBACK
|
||
returns false, the iteration ends at that point.
|
||
|
||
This field may not be NULL. If the language does not need any
|
||
special processing here, 'iterate_over_symbols' should be
|
||
used as the definition. */
|
||
void (*la_iterate_over_symbols)
|
||
(const struct block *block, const char *name, domain_enum domain,
|
||
gdb::function_view<symbol_found_callback_ftype> callback);
|
||
|
||
/* Various operations on varobj. */
|
||
const struct lang_varobj_ops *la_varobj_ops;
|
||
|
||
/* If this language allows compilation from the gdb command line,
|
||
this method should be non-NULL. When called it should return
|
||
an instance of struct gcc_context appropriate to the language.
|
||
When defined this method must never return NULL; instead it
|
||
should throw an exception on failure. The returned compiler
|
||
instance is owned by its caller and must be deallocated by
|
||
calling its 'destroy' method. */
|
||
|
||
struct compile_instance *(*la_get_compile_instance) (void);
|
||
|
||
/* This method must be defined if 'la_get_gcc_context' is defined.
|
||
If 'la_get_gcc_context' is not defined, then this method is
|
||
ignored.
|
||
|
||
This takes the user-supplied text and returns a new bit of code
|
||
to compile.
|
||
|
||
INST is the compiler instance being used.
|
||
INPUT is the user's input text.
|
||
GDBARCH is the architecture to use.
|
||
EXPR_BLOCK is the block in which the expression is being
|
||
parsed.
|
||
EXPR_PC is the PC at which the expression is being parsed. */
|
||
|
||
std::string (*la_compute_program) (struct compile_instance *inst,
|
||
const char *input,
|
||
struct gdbarch *gdbarch,
|
||
const struct block *expr_block,
|
||
CORE_ADDR expr_pc);
|
||
|
||
/* Add fields above this point, so the magic number is always last. */
|
||
/* Magic number for compat checking. */
|
||
|
||
long la_magic;
|
||
|
||
};
|
||
|
||
#define LANG_MAGIC 910823L
|
||
|
||
/* Pointer to the language_defn for our current language. This pointer
|
||
always points to *some* valid struct; it can be used without checking
|
||
it for validity.
|
||
|
||
The current language affects expression parsing and evaluation
|
||
(FIXME: it might be cleaner to make the evaluation-related stuff
|
||
separate exp_opcodes for each different set of semantics. We
|
||
should at least think this through more clearly with respect to
|
||
what happens if the language is changed between parsing and
|
||
evaluation) and printing of things like types and arrays. It does
|
||
*not* affect symbol-reading-- each source file in a symbol-file has
|
||
its own language and we should keep track of that regardless of the
|
||
language when symbols are read. If we want some manual setting for
|
||
the language of symbol files (e.g. detecting when ".c" files are
|
||
C++), it should be a separate setting from the current_language. */
|
||
|
||
extern const struct language_defn *current_language;
|
||
|
||
/* Pointer to the language_defn expected by the user, e.g. the language
|
||
of main(), or the language we last mentioned in a message, or C. */
|
||
|
||
extern const struct language_defn *expected_language;
|
||
|
||
/* language_mode ==
|
||
language_mode_auto: current_language automatically set upon selection
|
||
of scope (e.g. stack frame)
|
||
language_mode_manual: current_language set only by user. */
|
||
|
||
extern enum language_mode
|
||
{
|
||
language_mode_auto, language_mode_manual
|
||
}
|
||
language_mode;
|
||
|
||
struct type *language_bool_type (const struct language_defn *l,
|
||
struct gdbarch *gdbarch);
|
||
|
||
struct type *language_string_char_type (const struct language_defn *l,
|
||
struct gdbarch *gdbarch);
|
||
|
||
/* Look up type NAME in language L, and return its definition for architecture
|
||
GDBARCH. Returns NULL if not found. */
|
||
|
||
struct type *language_lookup_primitive_type (const struct language_defn *l,
|
||
struct gdbarch *gdbarch,
|
||
const char *name);
|
||
|
||
/* Wrapper around language_lookup_primitive_type to return the
|
||
corresponding symbol. */
|
||
|
||
struct symbol *
|
||
language_lookup_primitive_type_as_symbol (const struct language_defn *l,
|
||
struct gdbarch *gdbarch,
|
||
const char *name);
|
||
|
||
|
||
/* These macros define the behaviour of the expression
|
||
evaluator. */
|
||
|
||
/* Should we range check values against the domain of their type? */
|
||
#define RANGE_CHECK (range_check != range_check_off)
|
||
|
||
/* "cast" really means conversion. */
|
||
/* FIXME -- should be a setting in language_defn. */
|
||
#define CAST_IS_CONVERSION(LANG) ((LANG)->la_language == language_c || \
|
||
(LANG)->la_language == language_cplus || \
|
||
(LANG)->la_language == language_objc)
|
||
|
||
extern void language_info (int);
|
||
|
||
extern enum language set_language (enum language);
|
||
|
||
|
||
/* This page contains functions that return things that are
|
||
specific to languages. Each of these functions is based on
|
||
the current setting of working_lang, which the user sets
|
||
with the "set language" command. */
|
||
|
||
#define LA_PRINT_TYPE(type,varstring,stream,show,level,flags) \
|
||
(current_language->la_print_type(type,varstring,stream,show,level,flags))
|
||
|
||
#define LA_PRINT_TYPEDEF(type,new_symbol,stream) \
|
||
(current_language->la_print_typedef(type,new_symbol,stream))
|
||
|
||
#define LA_VALUE_PRINT(val,stream,options) \
|
||
(current_language->la_value_print(val,stream,options))
|
||
|
||
#define LA_PRINT_CHAR(ch, type, stream) \
|
||
(current_language->la_printchar(ch, type, stream))
|
||
#define LA_PRINT_STRING(stream, elttype, string, length, encoding, force_ellipses, options) \
|
||
(current_language->la_printstr(stream, elttype, string, length, \
|
||
encoding, force_ellipses,options))
|
||
#define LA_EMIT_CHAR(ch, type, stream, quoter) \
|
||
(current_language->la_emitchar(ch, type, stream, quoter))
|
||
#define LA_GET_STRING(value, buffer, length, chartype, encoding) \
|
||
(current_language->la_get_string(value, buffer, length, chartype, encoding))
|
||
|
||
#define LA_PRINT_ARRAY_INDEX(index_value, stream, options) \
|
||
(current_language->la_print_array_index(index_value, stream, options))
|
||
|
||
#define LA_ITERATE_OVER_SYMBOLS(BLOCK, NAME, DOMAIN, CALLBACK) \
|
||
(current_language->la_iterate_over_symbols (BLOCK, NAME, DOMAIN, CALLBACK))
|
||
|
||
/* Test a character to decide whether it can be printed in literal form
|
||
or needs to be printed in another representation. For example,
|
||
in C the literal form of the character with octal value 141 is 'a'
|
||
and the "other representation" is '\141'. The "other representation"
|
||
is program language dependent. */
|
||
|
||
#define PRINT_LITERAL_FORM(c) \
|
||
((c) >= 0x20 \
|
||
&& ((c) < 0x7F || (c) >= 0xA0) \
|
||
&& (!sevenbit_strings || (c) < 0x80))
|
||
|
||
/* Type predicates */
|
||
|
||
extern int pointer_type (struct type *);
|
||
|
||
/* Error messages */
|
||
|
||
extern void range_error (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
|
||
|
||
/* Data: Does this value represent "truth" to the current language? */
|
||
|
||
extern int value_true (struct value *);
|
||
|
||
/* Misc: The string representing a particular enum language. */
|
||
|
||
extern enum language language_enum (char *str);
|
||
|
||
extern const struct language_defn *language_def (enum language);
|
||
|
||
extern const char *language_str (enum language);
|
||
|
||
/* Add a language to the set known by GDB (at initialization time). */
|
||
|
||
extern void add_language (const struct language_defn *);
|
||
|
||
/* Check for a language-specific trampoline. */
|
||
|
||
extern CORE_ADDR skip_language_trampoline (struct frame_info *, CORE_ADDR pc);
|
||
|
||
/* Return demangled language symbol, or NULL. */
|
||
extern char *language_demangle (const struct language_defn *current_language,
|
||
const char *mangled, int options);
|
||
|
||
/* A wrapper for la_sniff_from_mangled_name. The arguments and result
|
||
are as for the method. */
|
||
|
||
extern int language_sniff_from_mangled_name (const struct language_defn *lang,
|
||
const char *mangled,
|
||
char **demangled);
|
||
|
||
/* Return class name from physname, or NULL. */
|
||
extern char *language_class_name_from_physname (const struct language_defn *,
|
||
const char *physname);
|
||
|
||
/* Splitting strings into words. */
|
||
extern const char *default_word_break_characters (void);
|
||
|
||
/* Print the index of an array element using the C99 syntax. */
|
||
extern void default_print_array_index (struct value *index_value,
|
||
struct ui_file *stream,
|
||
const struct value_print_options *options);
|
||
|
||
/* Return non-zero if TYPE should be passed (and returned) by
|
||
reference at the language level. */
|
||
int language_pass_by_reference (struct type *type);
|
||
|
||
/* Return zero; by default, types are passed by value at the language
|
||
level. The target ABI may pass or return some structs by reference
|
||
independent of this. */
|
||
int default_pass_by_reference (struct type *type);
|
||
|
||
/* The default implementation of la_print_typedef. */
|
||
void default_print_typedef (struct type *type, struct symbol *new_symbol,
|
||
struct ui_file *stream);
|
||
|
||
void default_get_string (struct value *value, gdb_byte **buffer, int *length,
|
||
struct type **char_type, const char **charset);
|
||
|
||
void c_get_string (struct value *value, gdb_byte **buffer, int *length,
|
||
struct type **char_type, const char **charset);
|
||
|
||
#endif /* defined (LANGUAGE_H) */
|