| /* Modula 2 language support definitions for GDB, the GNU debugger. |
| |
| Copyright (C) 1992-2021 Free Software Foundation, Inc. |
| |
| This file is part of GDB. |
| |
| This program 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 of the License, or |
| (at your option) any later version. |
| |
| This program 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. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| |
| #ifndef M2_LANG_H |
| #define M2_LANG_H |
| |
| struct type_print_options; |
| struct parser_state; |
| |
| /* Defined in m2-typeprint.c */ |
| extern void m2_print_type (struct type *, const char *, struct ui_file *, int, |
| int, const struct type_print_options *); |
| |
| extern int m2_is_long_set (struct type *type); |
| extern int m2_is_unbounded_array (struct type *type); |
| |
| extern int get_long_set_bounds (struct type *type, LONGEST *low, |
| LONGEST *high); |
| |
| /* Modula-2 types */ |
| |
| struct builtin_m2_type |
| { |
| struct type *builtin_char; |
| struct type *builtin_int; |
| struct type *builtin_card; |
| struct type *builtin_real; |
| struct type *builtin_bool; |
| }; |
| |
| /* Return the Modula-2 type table for the specified architecture. */ |
| extern const struct builtin_m2_type *builtin_m2_type (struct gdbarch *gdbarch); |
| |
| /* Class representing the M2 language. */ |
| |
| class m2_language : public language_defn |
| { |
| public: |
| m2_language () |
| : language_defn (language_m2) |
| { /* Nothing. */ } |
| |
| /* See language.h. */ |
| |
| const char *name () const override |
| { return "modula-2"; } |
| |
| /* See language.h. */ |
| |
| const char *natural_name () const override |
| { return "Modula-2"; } |
| |
| /* See language.h. */ |
| |
| void language_arch_info (struct gdbarch *gdbarch, |
| struct language_arch_info *lai) const override; |
| |
| /* See language.h. */ |
| |
| void print_type (struct type *type, const char *varstring, |
| struct ui_file *stream, int show, int level, |
| const struct type_print_options *flags) const override |
| { |
| m2_print_type (type, varstring, stream, show, level, flags); |
| } |
| |
| /* See language.h. */ |
| |
| void value_print_inner (struct value *val, struct ui_file *stream, |
| int recurse, |
| const struct value_print_options *options) const override; |
| |
| /* See language.h. */ |
| |
| int parser (struct parser_state *ps) const override; |
| |
| /* See language.h. */ |
| |
| void emitchar (int ch, struct type *chtype, |
| struct ui_file *stream, int quoter) const override; |
| |
| /* See language.h. */ |
| |
| void printchar (int ch, struct type *chtype, |
| struct ui_file *stream) const override; |
| |
| /* See language.h. */ |
| |
| void printstr (struct ui_file *stream, struct type *elttype, |
| const gdb_byte *string, unsigned int length, |
| const char *encoding, int force_ellipses, |
| const struct value_print_options *options) const override; |
| |
| /* See language.h. */ |
| |
| void print_typedef (struct type *type, struct symbol *new_symbol, |
| struct ui_file *stream) const override; |
| |
| /* See language.h. */ |
| |
| bool is_string_type_p (struct type *type) const override |
| { |
| type = check_typedef (type); |
| if (type->code () == TYPE_CODE_ARRAY |
| && TYPE_LENGTH (type) > 0 |
| && TYPE_LENGTH (TYPE_TARGET_TYPE (type)) > 0) |
| { |
| struct type *elttype = check_typedef (TYPE_TARGET_TYPE (type)); |
| |
| if (TYPE_LENGTH (elttype) == 1 |
| && (elttype->code () == TYPE_CODE_INT |
| || elttype->code () == TYPE_CODE_CHAR)) |
| return true; |
| } |
| |
| return false; |
| } |
| |
| /* See language.h. */ |
| |
| bool c_style_arrays_p () const override |
| { return false; } |
| |
| /* See language.h. Despite not having C-style arrays, Modula-2 uses 0 |
| for its string lower bounds. */ |
| |
| char string_lower_bound () const override |
| { return 0; } |
| |
| /* See language.h. */ |
| |
| bool range_checking_on_by_default () const override |
| { return true; } |
| }; |
| |
| #endif /* M2_LANG_H */ |