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- /* Modula 2 language support definitions for GDB, the GNU debugger.
- Copyright (C) 1992-2022 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 */
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