gdb: add target_ops::supports_displaced_step
[deliverable/binutils-gdb.git] / gdb / go-lang.c
index 373c12db516069c6db5754b722d1394b48140fa6..3975dfcb482ee2c0400e4ce9cfe3b45dc430013e 100644 (file)
@@ -73,7 +73,7 @@ gccgo_string_p (struct type *type)
 {
   /* gccgo strings don't necessarily have a name we can use.  */
 
-  if (TYPE_NFIELDS (type) == 2)
+  if (type->num_fields () == 2)
     {
       struct type *type0 = TYPE_FIELD_TYPE (type, 0);
       struct type *type1 = TYPE_FIELD_TYPE (type, 1);
@@ -92,7 +92,7 @@ gccgo_string_p (struct type *type)
 
          if (target_type->code () == TYPE_CODE_INT
              && TYPE_LENGTH (target_type) == 1
-             && strcmp (TYPE_NAME (target_type), "uint8") == 0)
+             && strcmp (target_type->name (), "uint8") == 0)
            return 1;
        }
     }
@@ -106,9 +106,9 @@ gccgo_string_p (struct type *type)
 static int
 sixg_string_p (struct type *type)
 {
-  if (TYPE_NFIELDS (type) == 2
-      && TYPE_NAME (type) != NULL
-      && strcmp (TYPE_NAME (type), "string") == 0)
+  if (type->num_fields () == 2
+      && type->name () != NULL
+      && strcmp (type->name (), "string") == 0)
     return 1;
 
   return 0;
@@ -396,15 +396,6 @@ go_demangle (const char *mangled_name, int options)
   return result;
 }
 
-/* la_sniff_from_mangled_name for Go.  */
-
-static int
-go_sniff_from_mangled_name (const char *mangled, char **demangled)
-{
-  *demangled = go_demangle (mangled, 0);
-  return *demangled != NULL;
-}
-
 /* Given a Go symbol, return its package or NULL if unknown.
    Space for the result is malloc'd, caller must free.  */
 
@@ -523,60 +514,9 @@ enum go_primitive_types {
   nr_go_primitive_types
 };
 
-static void
-go_language_arch_info (struct gdbarch *gdbarch,
-                      struct language_arch_info *lai)
-{
-  const struct builtin_go_type *builtin = builtin_go_type (gdbarch);
-
-  lai->string_char_type = builtin->builtin_char;
-
-  lai->primitive_type_vector
-    = GDBARCH_OBSTACK_CALLOC (gdbarch, nr_go_primitive_types + 1,
-                             struct type *);
-
-  lai->primitive_type_vector [go_primitive_type_void]
-    = builtin->builtin_void;
-  lai->primitive_type_vector [go_primitive_type_char]
-    = builtin->builtin_char;
-  lai->primitive_type_vector [go_primitive_type_bool]
-    = builtin->builtin_bool;
-  lai->primitive_type_vector [go_primitive_type_int]
-    = builtin->builtin_int;
-  lai->primitive_type_vector [go_primitive_type_uint]
-    = builtin->builtin_uint;
-  lai->primitive_type_vector [go_primitive_type_uintptr]
-    = builtin->builtin_uintptr;
-  lai->primitive_type_vector [go_primitive_type_int8]
-    = builtin->builtin_int8;
-  lai->primitive_type_vector [go_primitive_type_int16]
-    = builtin->builtin_int16;
-  lai->primitive_type_vector [go_primitive_type_int32]
-    = builtin->builtin_int32;
-  lai->primitive_type_vector [go_primitive_type_int64]
-    = builtin->builtin_int64;
-  lai->primitive_type_vector [go_primitive_type_uint8]
-    = builtin->builtin_uint8;
-  lai->primitive_type_vector [go_primitive_type_uint16]
-    = builtin->builtin_uint16;
-  lai->primitive_type_vector [go_primitive_type_uint32]
-    = builtin->builtin_uint32;
-  lai->primitive_type_vector [go_primitive_type_uint64]
-    = builtin->builtin_uint64;
-  lai->primitive_type_vector [go_primitive_type_float32]
-    = builtin->builtin_float32;
-  lai->primitive_type_vector [go_primitive_type_float64]
-    = builtin->builtin_float64;
-  lai->primitive_type_vector [go_primitive_type_complex64]
-    = builtin->builtin_complex64;
-  lai->primitive_type_vector [go_primitive_type_complex128]
-    = builtin->builtin_complex128;
-
-  lai->bool_type_symbol = "bool";
-  lai->bool_type_default = builtin->builtin_bool;
-}
+/* Constant data that describes the Go language.  */
 
-extern const struct language_defn go_language_defn =
+extern const struct language_data go_language_data =
 {
   "go",
   "Go",
@@ -592,19 +532,13 @@ extern const struct language_defn go_language_defn =
   c_printchar,                 /* Print a character constant.  */
   c_printstr,                  /* Function to print string constant.  */
   c_emit_char,                 /* Print a single char.  */
-  go_print_type,               /* Print a type using appropriate syntax.  */
   c_print_typedef,             /* Print a typedef using appropriate
                                   syntax.  */
   go_value_print_inner,                /* la_value_print_inner */
   c_value_print,               /* Print a top-level value.  */
-  default_read_var_value,      /* la_read_var_value */
-  NULL,                                /* Language specific skip_trampoline.  */
   NULL,                                /* name_of_this */
   false,                       /* la_store_sym_names_in_linkage_form_p */
   basic_lookup_symbol_nonlocal, 
-  basic_lookup_transparent_type,
-  go_demangle,                 /* Language specific symbol demangler.  */
-  go_sniff_from_mangled_name,
   NULL,                                /* Language specific
                                   class_name_from_physname.  */
   go_op_print_tab,             /* Expression operators for printing.  */
@@ -612,20 +546,105 @@ extern const struct language_defn go_language_defn =
   0,                           /* String lower bound.  */
   default_word_break_characters,
   default_collect_symbol_completion_matches,
-  go_language_arch_info,
-  default_print_array_index,
-  default_pass_by_reference,
   c_watch_location_expression,
   NULL,                                /* la_get_symbol_name_matcher */
-  iterate_over_symbols,
-  default_search_name_hash,
   &default_varobj_ops,
   NULL,
-  NULL,
   go_is_string_type_p,
   "{...}"                      /* la_struct_too_deep_ellipsis */
 };
 
+/* Class representing the Go language.  */
+
+class go_language : public language_defn
+{
+public:
+  go_language ()
+    : language_defn (language_go, go_language_data)
+  { /* Nothing.  */ }
+
+  /* See language.h.  */
+  void language_arch_info (struct gdbarch *gdbarch,
+                          struct language_arch_info *lai) const override
+  {
+    const struct builtin_go_type *builtin = builtin_go_type (gdbarch);
+
+    lai->string_char_type = builtin->builtin_char;
+
+    lai->primitive_type_vector
+      = GDBARCH_OBSTACK_CALLOC (gdbarch, nr_go_primitive_types + 1,
+                               struct type *);
+
+    lai->primitive_type_vector [go_primitive_type_void]
+      = builtin->builtin_void;
+    lai->primitive_type_vector [go_primitive_type_char]
+      = builtin->builtin_char;
+    lai->primitive_type_vector [go_primitive_type_bool]
+      = builtin->builtin_bool;
+    lai->primitive_type_vector [go_primitive_type_int]
+      = builtin->builtin_int;
+    lai->primitive_type_vector [go_primitive_type_uint]
+      = builtin->builtin_uint;
+    lai->primitive_type_vector [go_primitive_type_uintptr]
+      = builtin->builtin_uintptr;
+    lai->primitive_type_vector [go_primitive_type_int8]
+      = builtin->builtin_int8;
+    lai->primitive_type_vector [go_primitive_type_int16]
+      = builtin->builtin_int16;
+    lai->primitive_type_vector [go_primitive_type_int32]
+      = builtin->builtin_int32;
+    lai->primitive_type_vector [go_primitive_type_int64]
+      = builtin->builtin_int64;
+    lai->primitive_type_vector [go_primitive_type_uint8]
+      = builtin->builtin_uint8;
+    lai->primitive_type_vector [go_primitive_type_uint16]
+      = builtin->builtin_uint16;
+    lai->primitive_type_vector [go_primitive_type_uint32]
+      = builtin->builtin_uint32;
+    lai->primitive_type_vector [go_primitive_type_uint64]
+      = builtin->builtin_uint64;
+    lai->primitive_type_vector [go_primitive_type_float32]
+      = builtin->builtin_float32;
+    lai->primitive_type_vector [go_primitive_type_float64]
+      = builtin->builtin_float64;
+    lai->primitive_type_vector [go_primitive_type_complex64]
+      = builtin->builtin_complex64;
+    lai->primitive_type_vector [go_primitive_type_complex128]
+      = builtin->builtin_complex128;
+
+    lai->bool_type_symbol = "bool";
+    lai->bool_type_default = builtin->builtin_bool;
+  }
+
+  /* See language.h.  */
+  bool sniff_from_mangled_name (const char *mangled,
+                               char **demangled) const override
+  {
+    *demangled = go_demangle (mangled, 0);
+    return *demangled != NULL;
+  }
+
+  /* See language.h.  */
+
+  char *demangle (const char *mangled, int options) const override
+  {
+    return go_demangle (mangled, options);
+  }
+
+  /* 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
+  {
+    go_print_type (type, varstring, stream, show, level, flags);
+  }
+};
+
+/* Single instance of the Go language class.  */
+
+static go_language go_language_defn;
+
 static void *
 build_go_types (struct gdbarch *gdbarch)
 {
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