Split dwarf2_per_objfile into dwarf2_per_objfile and dwarf2_per_bfd

[deliverable/binutils-gdb.git] / gdb / ada-varobj.c

diff --git a/gdb/ada-varobj.c b/gdb/ada-varobj.c
index 1257ee864e953ae882a1635604003c826f5b4733..485eae29b92573ce0d6bfc5adcf58be6bb793b76 100644 (file)
--- a/gdb/ada-varobj.c
+++ b/gdb/ada-varobj.c
@@ -1,6 +1,6 @@
 /* varobj support for Ada.
 
-   Copyright (C) 2012-2018 Free Software Foundation, Inc.
+   Copyright (C) 2012-2020 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -132,11 +132,11 @@ ada_varobj_ind (struct value *parent_value,
         ada_get_decoded_value would have transformed our parent_type
         into a simple array pointer type.  */
       gdb_assert (parent_value == NULL);
-      gdb_assert (TYPE_CODE (parent_type) == TYPE_CODE_TYPEDEF);
+      gdb_assert (parent_type->code () == TYPE_CODE_TYPEDEF);
 
       /* Decode parent_type by the equivalent pointer to (decoded)
         array.  */
-      while (TYPE_CODE (parent_type) == TYPE_CODE_TYPEDEF)
+      while (parent_type->code () == TYPE_CODE_TYPEDEF)
        parent_type = TYPE_TARGET_TYPE (parent_type);
       parent_type = ada_coerce_to_simple_array_type (parent_type);
       parent_type = lookup_pointer_type (parent_type);
@@ -206,9 +206,9 @@ ada_varobj_adjust_for_child_access (struct value **value,
       one child (the struct), their children are the components of
       the struct/union type.  We handle this situation by dereferencing
       the (value, type) couple.  */
-  if (TYPE_CODE (*type) == TYPE_CODE_PTR
-      && (TYPE_CODE (TYPE_TARGET_TYPE (*type)) == TYPE_CODE_STRUCT
-          || TYPE_CODE (TYPE_TARGET_TYPE (*type)) == TYPE_CODE_UNION)
+  if ((*type)->code () == TYPE_CODE_PTR
+      && (TYPE_TARGET_TYPE (*type)->code () == TYPE_CODE_STRUCT
+          || TYPE_TARGET_TYPE (*type)->code () == TYPE_CODE_UNION)
       && !ada_is_array_descriptor_type (TYPE_TARGET_TYPE (*type))
       && !ada_is_constrained_packed_array_type (TYPE_TARGET_TYPE (*type)))
     ada_varobj_ind (*value, *type, value, type);
@@ -270,10 +270,10 @@ ada_varobj_get_struct_number_of_children (struct value *parent_value,
   int n_children = 0;
   int i;
 
-  gdb_assert (TYPE_CODE (parent_type) == TYPE_CODE_STRUCT
-             || TYPE_CODE (parent_type) == TYPE_CODE_UNION);
+  gdb_assert (parent_type->code () == TYPE_CODE_STRUCT
+             || parent_type->code () == TYPE_CODE_UNION);
 
-  for (i = 0; i < TYPE_NFIELDS (parent_type); i++)
+  for (i = 0; i < parent_type->num_fields (); i++)
     {
       if (ada_is_ignored_field (parent_type, i))
        continue;
@@ -329,8 +329,8 @@ ada_varobj_get_ptr_number_of_children (struct value *parent_value,
 
   /* Pointer to functions and to void do not have a child, since
      you cannot print what they point to.  */
-  if (TYPE_CODE (child_type) == TYPE_CODE_FUNC
-      || TYPE_CODE (child_type) == TYPE_CODE_VOID)
+  if (child_type->code () == TYPE_CODE_FUNC
+      || child_type->code () == TYPE_CODE_VOID)
     return 0;
 
   /* All other types have 1 child.  */
@@ -350,20 +350,19 @@ ada_varobj_get_number_of_children (struct value *parent_value,
   /* A typedef to an array descriptor in fact represents a pointer
      to an unconstrained array.  These types always have one child
      (the unconstrained array).  */
-  if (ada_is_array_descriptor_type (parent_type)
-      && TYPE_CODE (parent_type) == TYPE_CODE_TYPEDEF)
+  if (ada_is_access_to_unconstrained_array (parent_type))
     return 1;
 
-  if (TYPE_CODE (parent_type) == TYPE_CODE_ARRAY)
+  if (parent_type->code () == TYPE_CODE_ARRAY)
     return ada_varobj_get_array_number_of_children (parent_value,
                                                    parent_type);
 
-  if (TYPE_CODE (parent_type) == TYPE_CODE_STRUCT
-      || TYPE_CODE (parent_type) == TYPE_CODE_UNION)
+  if (parent_type->code () == TYPE_CODE_STRUCT
+      || parent_type->code () == TYPE_CODE_UNION)
     return ada_varobj_get_struct_number_of_children (parent_value,
                                                     parent_type);
 
-  if (TYPE_CODE (parent_type) == TYPE_CODE_PTR)
+  if (parent_type->code () == TYPE_CODE_PTR)
     return ada_varobj_get_ptr_number_of_children (parent_value,
                                                  parent_type);
 
@@ -419,9 +418,10 @@ ada_varobj_describe_struct_child (struct value *parent_value,
   int fieldno;
   int childno = 0;
 
-  gdb_assert (TYPE_CODE (parent_type) == TYPE_CODE_STRUCT);
+  gdb_assert (parent_type->code () == TYPE_CODE_STRUCT
+             || parent_type->code () == TYPE_CODE_UNION);
 
-  for (fieldno = 0; fieldno < TYPE_NFIELDS (parent_type); fieldno++)
+  for (fieldno = 0; fieldno < parent_type->num_fields (); fieldno++)
     {
       if (ada_is_ignored_field (parent_type, fieldno))
        continue;
@@ -587,7 +587,7 @@ ada_varobj_describe_simple_array_child (struct value *parent_value,
   struct type *index_type;
   int real_index;
 
-  gdb_assert (TYPE_CODE (parent_type) == TYPE_CODE_ARRAY);
+  gdb_assert (parent_type->code () == TYPE_CODE_ARRAY);
 
   index_type = TYPE_INDEX_TYPE (parent_type);
   real_index = child_index + ada_discrete_type_low_bound (index_type);
@@ -624,17 +624,21 @@ ada_varobj_describe_simple_array_child (struct value *parent_value,
         of the array index type when such type qualification is
         needed.  */
       const char *index_type_name = NULL;
+      std::string decoded;
 
       /* If the index type is a range type, find the base type.  */
-      while (TYPE_CODE (index_type) == TYPE_CODE_RANGE)
+      while (index_type->code () == TYPE_CODE_RANGE)
        index_type = TYPE_TARGET_TYPE (index_type);
 
-      if (TYPE_CODE (index_type) == TYPE_CODE_ENUM
-         || TYPE_CODE (index_type) == TYPE_CODE_BOOL)
+      if (index_type->code () == TYPE_CODE_ENUM
+         || index_type->code () == TYPE_CODE_BOOL)
        {
          index_type_name = ada_type_name (index_type);
          if (index_type_name)
-           index_type_name = ada_decode (index_type_name);
+           {
+             decoded = ada_decode (index_type_name);
+             index_type_name = decoded.c_str ();
+           }
        }
 
       if (index_type_name != NULL)
@@ -679,8 +683,7 @@ ada_varobj_describe_child (struct value *parent_value,
   if (child_path_expr)
     *child_path_expr = std::string ();
 
-  if (ada_is_array_descriptor_type (parent_type)
-      && TYPE_CODE (parent_type) == TYPE_CODE_TYPEDEF)
+  if (ada_is_access_to_unconstrained_array (parent_type))
     {
       ada_varobj_describe_ptr_child (parent_value, parent_type,
                                     parent_name, parent_path_expr,
@@ -690,7 +693,7 @@ ada_varobj_describe_child (struct value *parent_value,
       return;
     }
 
-  if (TYPE_CODE (parent_type) == TYPE_CODE_ARRAY)
+  if (parent_type->code () == TYPE_CODE_ARRAY)
     {
       ada_varobj_describe_simple_array_child
        (parent_value, parent_type, parent_name, parent_path_expr,
@@ -699,7 +702,8 @@ ada_varobj_describe_child (struct value *parent_value,
       return;
     }
 
-  if (TYPE_CODE (parent_type) == TYPE_CODE_STRUCT)
+  if (parent_type->code () == TYPE_CODE_STRUCT
+      || parent_type->code () == TYPE_CODE_UNION)
     {
       ada_varobj_describe_struct_child (parent_value, parent_type,
                                        parent_name, parent_path_expr,
@@ -709,7 +713,7 @@ ada_varobj_describe_child (struct value *parent_value,
       return;
     }
 
-  if (TYPE_CODE (parent_type) == TYPE_CODE_PTR)
+  if (parent_type->code () == TYPE_CODE_PTR)
     {
       ada_varobj_describe_ptr_child (parent_value, parent_type,
                                     parent_name, parent_path_expr,
@@ -852,7 +856,7 @@ ada_varobj_get_value_of_variable (struct value *value,
 {
   ada_varobj_decode_var (&value, &type);
 
-  switch (TYPE_CODE (type))
+  switch (type->code ())
     {
     case TYPE_CODE_STRUCT:
     case TYPE_CODE_UNION:
@@ -872,7 +876,7 @@ ada_varobj_get_value_of_variable (struct value *value,
 static int
 ada_number_of_children (const struct varobj *var)
 {
-  return ada_varobj_get_number_of_children (var->value, var->type);
+  return ada_varobj_get_number_of_children (var->value.get (), var->type);
 }
 
 static std::string
@@ -884,7 +888,7 @@ ada_name_of_variable (const struct varobj *parent)
 static std::string
 ada_name_of_child (const struct varobj *parent, int index)
 {
-  return ada_varobj_get_name_of_child (parent->value, parent->type,
+  return ada_varobj_get_name_of_child (parent->value.get (), parent->type,
                                       parent->name.c_str (), index);
 }
 
@@ -894,7 +898,7 @@ ada_path_expr_of_child (const struct varobj *child)
   const struct varobj *parent = child->parent;
   const char *parent_path_expr = varobj_get_path_expr (parent);
 
-  return ada_varobj_get_path_expr_of_child (parent->value,
+  return ada_varobj_get_path_expr_of_child (parent->value.get (),
                                            parent->type,
                                            parent->name.c_str (),
                                            parent_path_expr,
@@ -904,14 +908,14 @@ ada_path_expr_of_child (const struct varobj *child)
 static struct value *
 ada_value_of_child (const struct varobj *parent, int index)
 {
-  return ada_varobj_get_value_of_child (parent->value, parent->type,
+  return ada_varobj_get_value_of_child (parent->value.get (), parent->type,
                                        parent->name.c_str (), index);
 }
 
 static struct type *
 ada_type_of_child (const struct varobj *parent, int index)
 {
-  return ada_varobj_get_type_of_child (parent->value, parent->type,
+  return ada_varobj_get_type_of_child (parent->value.get (), parent->type,
                                       index);
 }
 
@@ -923,7 +927,8 @@ ada_value_of_variable (const struct varobj *var,
 
   varobj_formatted_print_options (&opts, format);
 
-  return ada_varobj_get_value_of_variable (var->value, var->type, &opts);
+  return ada_varobj_get_value_of_variable (var->value.get (), var->type,
+                                          &opts);
 }
 
 /* Implement the "value_is_changeable_p" routine for Ada.  */
@@ -931,10 +936,13 @@ ada_value_of_variable (const struct varobj *var,
 static bool
 ada_value_is_changeable_p (const struct varobj *var)
 {
-  struct type *type = var->value ? value_type (var->value) : var->type;
+  struct type *type = (var->value != nullptr
+                      ? value_type (var->value.get ()) : var->type);
+
+  if (type->code () == TYPE_CODE_REF)
+    type = TYPE_TARGET_TYPE (type);
 
-  if (ada_is_array_descriptor_type (type)
-      && TYPE_CODE (type) == TYPE_CODE_TYPEDEF)
+  if (ada_is_access_to_unconstrained_array (type))
     {
       /* This is in reality a pointer to an unconstrained array.
         its value is changeable.  */