b09e2c591f
To make it clear that some functions should not modify the variable object, this patch adds the const qualifier where it makes sense to some struct varobj * parameters. Most getters should take a const pointer to guarantee they don't modify the object. Unfortunately, I couldn't add it to some callbacks (such as name_of_child). In the C implementation, they call c_describe_child, which calls varobj_get_path_expr. varobj_get_path_expr needs to modify the object in order to cache the computed value. It therefore can't take a const pointer, and it affects the whole call chain. I suppose that's where you would use a "mutable" in C++. I did that to make sure there was no other cases like the one fixed in the previous patch. I don't think it can hurt. gdb/ChangeLog: * ada-varobj.c (ada_number_of_children): Constify struct varobj * parameter. (ada_name_of_variable): Same. (ada_path_expr_of_child): Same. (ada_value_of_variable): Same. (ada_value_is_changeable_p): Same. (ada_value_has_mutated): Same. * c-varobj.c (varobj_is_anonymous_child): Same. (c_is_path_expr_parent): Same. (c_number_of_children): Same. (c_name_of_variable): Same. (c_path_expr_of_child): Same. (get_type): Same. (c_value_of_variable): Same. (cplus_number_of_children): Same. (cplus_name_of_variable): Same. (cplus_path_expr_of_child): Same. (cplus_value_of_variable): Same. * jv-varobj.c (java_number_of_children): Same. (java_name_of_variable): Same. (java_path_expr_of_child): Same. (java_value_of_variable): Same. * varobj.c (number_of_children): Same. (name_of_variable): Same. (is_root_p): Same. (varobj_ensure_python_env): Same. (varobj_get_objname): Same. (varobj_get_expression): Same. (varobj_get_display_format): Same. (varobj_get_display_hint): Same. (varobj_has_more): Same. (varobj_get_thread_id): Same. (varobj_get_frozen): Same. (dynamic_varobj_has_child_method): Same. (varobj_get_gdb_type): Same. (is_path_expr_parent): Same. (varobj_default_is_path_expr_parent): Same. (varobj_get_language): Same. (varobj_get_attributes): Same. (varobj_is_dynamic_p): Same. (varobj_get_child_range): Same. (varobj_value_has_mutated): Same. (varobj_get_value_type): Same. (number_of_children): Same. (name_of_variable): Same. (check_scope): Same. (varobj_editable_p): Same. (varobj_value_is_changeable_p): Same. (varobj_floating_p): Same. (varobj_default_value_is_changeable_p): Same. * varobj.h (struct lang_varobj_ops): Consitfy some struct varobj * parameters. (varobj_get_objname): Constify struct varobj * parameter. (varobj_get_expression): Same. (varobj_get_thread_id): Same. (varobj_get_frozen): Same. (varobj_get_child_range): Same. (varobj_get_display_hint): Same. (varobj_get_gdb_type): Same. (varobj_get_language): Same. (varobj_get_attributes): Same. (varobj_editable_p): Same. (varobj_floating_p): Same. (varobj_has_more): Same. (varobj_is_dynamic_p): Same. (varobj_ensure_python_env): Same. (varobj_default_value_is_changeable_p): Same. (varobj_value_is_changeable_p): Same. (varobj_get_value_type): Same. (varobj_is_anonymous_child): Same. (varobj_value_get_print_value): Same. (varobj_default_is_path_expr_parent): Same.
107 lines
2.4 KiB
C
107 lines
2.4 KiB
C
/* varobj support for Java.
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Copyright (C) 1999-2015 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include "defs.h"
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#include "varobj.h"
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/* Java */
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static int
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java_number_of_children (const struct varobj *var)
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{
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return cplus_varobj_ops.number_of_children (var);
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}
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static char *
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java_name_of_variable (const struct varobj *parent)
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{
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char *p, *name;
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name = cplus_varobj_ops.name_of_variable (parent);
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/* If the name has "-" in it, it is because we
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needed to escape periods in the name... */
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p = name;
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while (*p != '\000')
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{
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if (*p == '-')
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*p = '.';
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p++;
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}
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return name;
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}
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static char *
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java_name_of_child (struct varobj *parent, int index)
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{
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char *name, *p;
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name = cplus_varobj_ops.name_of_child (parent, index);
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/* Escape any periods in the name... */
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p = name;
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while (*p != '\000')
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{
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if (*p == '.')
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*p = '-';
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p++;
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}
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return name;
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}
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static char *
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java_path_expr_of_child (const struct varobj *child)
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{
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return NULL;
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}
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static struct value *
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java_value_of_child (struct varobj *parent, int index)
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{
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return cplus_varobj_ops.value_of_child (parent, index);
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}
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static struct type *
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java_type_of_child (struct varobj *parent, int index)
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{
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return cplus_varobj_ops.type_of_child (parent, index);
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}
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static char *
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java_value_of_variable (const struct varobj *var,
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enum varobj_display_formats format)
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{
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return cplus_varobj_ops.value_of_variable (var, format);
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}
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/* varobj operations for java. */
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const struct lang_varobj_ops java_varobj_ops =
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{
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java_number_of_children,
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java_name_of_variable,
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java_name_of_child,
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java_path_expr_of_child,
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java_value_of_child,
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java_type_of_child,
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java_value_of_variable,
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varobj_default_value_is_changeable_p,
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NULL, /* value_has_mutated */
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varobj_default_is_path_expr_parent
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};
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