sim: mips: merge mips64vr4300 with existing multi-run build

[binutils-gdb.git] / gdb / m2-lang.h

diff --git a/gdb/m2-lang.h b/gdb/m2-lang.h
index db4997336fa2d314b7c573a34f81dba44597e7d7..249fdf7a2ccab42079ba48697e030f3dae6eedcc 100644 (file)
--- a/gdb/m2-lang.h
+++ b/gdb/m2-lang.h
@@ -1,6 +1,6 @@
 /* Modula 2 language support definitions for GDB, the GNU debugger.
 
-   Copyright (C) 1992-2013 Free Software Foundation, Inc.
+   Copyright (C) 1992-2022 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -17,27 +17,19 @@
    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
-struct type_print_options;
-
-extern int m2_parse (void);    /* Defined in m2-exp.y */
+#ifndef M2_LANG_H
+#define M2_LANG_H
 
-extern void m2_error (char *); /* Defined in m2-exp.y */
+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 void m2_print_typedef (struct type *, struct symbol *,
-                             struct ui_file *);
-
 extern int m2_is_long_set (struct type *type);
 extern int m2_is_unbounded_array (struct type *type);
 
-extern void m2_val_print (struct type *, const gdb_byte *, int, CORE_ADDR,
-                         struct ui_file *, int,
-                         const struct value *,
-                         const struct value_print_options *);
-
 extern int get_long_set_bounds (struct type *type, LONGEST *low,
                                LONGEST *high);
 
@@ -45,13 +37,116 @@ extern int get_long_set_bounds (struct type *type, LONGEST *low,
 
 struct builtin_m2_type
 {
-  struct type *builtin_char;
-  struct type *builtin_int;
-  struct type *builtin_card;
-  struct type *builtin_real;
-  struct type *builtin_bool;
+  struct type *builtin_char = nullptr;
+  struct type *builtin_int = nullptr;
+  struct type *builtin_card = nullptr;
+  struct type *builtin_real = nullptr;
+  struct type *builtin_bool = nullptr;
 };
 
 /* 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 () > 0
+       && type->target_type ()->length () > 0)
+      {
+       struct type *elttype = check_typedef (type->target_type ());
+
+       if (elttype->length () == 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 */