/* Modula 2 language support definitions for GDB, the GNU debugger.
- Copyright 1992 Free Software Foundation, Inc.
-This file is part of GDB.
+ Copyright (C) 1992-2021 Free Software Foundation, Inc.
-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 2 of the License, or
-(at your option) any later version.
+ This file is part of GDB.
-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.
+ 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.
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ 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.
-extern int
-m2_parse PARAMS ((void)); /* Defined in m2-exp.y */
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
-extern void
-m2_error PARAMS ((char *)); /* Defined in m2-exp.y */
+#ifndef M2_LANG_H
+#define M2_LANG_H
-extern void /* Defined in m2-typeprint.c */
-m2_print_type PARAMS ((struct type *, char *, GDB_FILE *, int, int));
+struct type_print_options;
+struct parser_state;
-extern int
-m2_val_print PARAMS ((struct type *, char *, CORE_ADDR, GDB_FILE *, int, int,
- int, enum val_prettyprint));
+/* 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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