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581ddd9c6e
* include/abg-comparison.h (scope_diff::{removed_types,
removed_decls, added_types, added_decls}): New accessor methods
declarations.
* src/abg-comparison.cc (scope_diff::{removed_types,
removed_decls, added_types, added_decls}): New accessor methods
definitions.
(scope_diff::report): Report removed & added types/decls.
Signed-off-by: Dodji Seketeli <dodji@redhat.com>
400 lines
8.9 KiB
C++
400 lines
8.9 KiB
C++
// -*- Mode: C++ -*-
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//
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// Copyright (C) 2013 Red Hat, Inc.
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//
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// This file is part of the GNU Application Binary Interface Generic
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// Analysis and Instrumentation Library (libabigail). This library is
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// free software; you can redistribute it and/or modify it under the
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// terms of the GNU Lesser General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option) any
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// later version.
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// This library is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Lesser Public License for more details.
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// You should have received a copy of the GNU Lesser General Public
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// License along with this program; see the file COPYING-LGPLV3. If
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// not, see <http://www.gnu.org/licenses/>.
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//
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// Author: Dodji Seketeli
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/// @file
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#include <tr1/unordered_map>
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#include "abg-ir.h"
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#include "abg-diff-utils.h"
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namespace abigail
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{
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namespace comparison
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{
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// Inject types we need into this namespace.
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using std::ostream;
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using std::vector;
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using std::tr1::unordered_map;
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using std::pair;
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using diff_utils::insertion;
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using diff_utils::deletion;
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using diff_utils::edit_script;
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class diff;
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typedef shared_ptr<diff> diff_sptr;
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typedef unordered_map<string, decl_base_sptr> string_decl_base_sptr_map;
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typedef pair<decl_base_sptr, decl_base_sptr> changed_type_or_decl;
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typedef pair<function_decl::parameter_sptr,
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function_decl::parameter_sptr> changed_parm;
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typedef unordered_map<string, changed_parm> string_changed_parm_map;
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typedef unordered_map<string,
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changed_type_or_decl> string_changed_type_or_decl_map;
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typedef unordered_map<string, function_decl::parameter_sptr> string_parm_map;
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/// This type encapsulates an edit script (a set of insertions and
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/// deletions) for two constructs that are to be diff'ed. The two
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/// constructs are called the "subjects" of the diff.
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class diff
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{
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decl_base_sptr first_subject_;
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decl_base_sptr second_subject_;
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public:
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diff(decl_base_sptr first_subject,
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decl_base_sptr second_subject)
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: first_subject_(first_subject),
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second_subject_(second_subject)
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{}
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/// Getter of the first subject of the diff.
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///
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/// @return the first subject of the diff.
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decl_base_sptr
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first_subject() const
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{return first_subject_;}
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/// Getter of the second subject of the diff.
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///
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/// @return the second subject of the diff.
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decl_base_sptr
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second_subject() const
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{return second_subject_;}
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/// Pure interface to get the length of the changes
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/// encapsulated by this diff. This is to be implemented by all
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/// descendants of this class.
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virtual unsigned
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length() const = 0;
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/// Pure interface to report the diff in a serialized form.
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virtual void
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report(ostream& out, const string& indent = "") const = 0;
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};// end class diff
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class pointer_diff;
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typedef shared_ptr<pointer_diff> pointer_diff_sptr;
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/// The abstraction of a diff between two pointers.
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class pointer_diff : public diff
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{
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struct priv;
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shared_ptr<priv> priv_;
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public:
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pointer_diff(pointer_type_def_sptr first,
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pointer_type_def_sptr second);
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pointer_type_def_sptr
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first_pointer() const;
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pointer_type_def_sptr
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second_pointer() const;
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diff_sptr
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underlying_type_diff() const;
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void
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underlying_type_diff(const diff_sptr);
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virtual unsigned
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length() const;
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virtual void
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report(ostream&, const string& indent = "") const;
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};// end class pointer_diff
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pointer_diff_sptr
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compute_diff(pointer_type_def_sptr first,
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pointer_type_def_sptr second);
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class reference_diff;
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typedef shared_ptr<reference_diff> reference_diff_sptr;
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/// The abstraction of a diff between two references.
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class reference_diff : public diff
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{
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struct priv;
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shared_ptr<priv> priv_;
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public:
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reference_diff(const reference_type_def_sptr first,
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const reference_type_def_sptr second);
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reference_type_def_sptr
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first_reference() const;
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reference_type_def_sptr
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second_reference() const;
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const diff_sptr&
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underlying_type_diff() const;
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diff_sptr&
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underlying_type_diff(diff_sptr);
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virtual unsigned
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length() const;
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virtual void
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report(ostream&, const string& indent = "") const;
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};// end class reference_diff
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reference_diff_sptr
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compute_diff(reference_type_def_sptr first,
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reference_type_def_sptr second);
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class class_diff;
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typedef shared_ptr<class_diff> class_diff_sptr;
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/// This type abstracts changes for a class_decl.
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class class_diff : public diff
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{
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struct priv;
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shared_ptr<priv> priv_;
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public:
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class_diff(class_decl_sptr first_subject,
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class_decl_sptr second_subject);
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//TODO: add change of the name of the type.
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shared_ptr<class_decl>
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first_class_decl() const;
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shared_ptr<class_decl>
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second_class_decl() const;
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const edit_script&
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base_changes() const;
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edit_script&
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base_changes();
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const edit_script&
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member_types_changes() const;
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edit_script&
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member_types_changes();
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const edit_script&
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data_members_changes() const;
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edit_script&
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data_members_changes();
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const edit_script&
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member_fns_changes() const;
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edit_script&
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member_fns_changes();
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const edit_script&
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member_fn_tmpls_changes() const;
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edit_script&
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member_fn_tmpls_changes();
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const edit_script&
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member_class_tmpls_changes() const;
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edit_script&
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member_class_tmpls_changes();
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virtual unsigned
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length() const;
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virtual void
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report(ostream&, const string& indent = "") const;
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};// end class_diff
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class_diff_sptr
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compute_diff(const class_decl_sptr first,
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const class_decl_sptr second);
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class scope_diff;
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typedef shared_ptr<scope_diff> scope_diff_sptr;
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/// An abstractions of the changes between two scopes.
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class scope_diff : public diff
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{
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struct priv;
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shared_ptr<priv> priv_;
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bool
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lookup_tables_empty() const;
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void
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clear_lookup_tables();
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void
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ensure_lookup_tables_populated();
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public:
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friend scope_diff_sptr
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compute_diff(const scope_decl_sptr, const scope_decl_sptr, scope_diff_sptr);
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scope_diff(scope_decl_sptr first_scope,
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scope_decl_sptr second_scope);
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const scope_decl_sptr
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first_scope() const;
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const scope_decl_sptr
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second_scope() const;
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const edit_script&
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member_changes() const;
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edit_script&
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member_changes();
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const decl_base_sptr
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deleted_member_at(unsigned index) const;
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const decl_base_sptr
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deleted_member_at(vector<deletion>::const_iterator) const;
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const decl_base_sptr
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inserted_member_at(unsigned i);
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const decl_base_sptr
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inserted_member_at(vector<unsigned>::const_iterator i);
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const string_changed_type_or_decl_map&
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changed_types() const;
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const string_changed_type_or_decl_map&
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changed_decls() const;
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const string_decl_base_sptr_map&
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removed_types() const;
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const string_decl_base_sptr_map&
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removed_decls() const;
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const string_decl_base_sptr_map&
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added_types() const;
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const string_decl_base_sptr_map&
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added_decls() const;
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virtual unsigned
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length() const;
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virtual void
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report(ostream&, const string& indent = "") const;
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};// end class scope_diff
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scope_diff_sptr
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compute_diff(const scope_decl_sptr first_scope,
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const scope_decl_sptr second_scope,
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scope_diff_sptr d);
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scope_diff_sptr
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compute_diff(const scope_decl_sptr first_scope,
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const scope_decl_sptr second_scope);
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class function_decl_diff;
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typedef shared_ptr<function_decl_diff> function_decl_diff_sptr;
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/// Abstraction of a diff between two function_decl.
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class function_decl_diff : public diff
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{
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struct priv;
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shared_ptr<priv> priv_;
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void
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ensure_lookup_tables_populated();
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const function_decl::parameter_sptr
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deleted_parameter_at(int i) const;
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const function_decl::parameter_sptr
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inserted_parameter_at(int i) const;
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public:
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friend function_decl_diff_sptr
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compute_diff(const function_decl_sptr first,
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const function_decl_sptr second);
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function_decl_diff(const function_decl_sptr first,
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const function_decl_sptr second);
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const function_decl_sptr
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first_function_decl() const;
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const function_decl_sptr
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second_function_decl() const;
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const diff_sptr
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return_diff() const;
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const string_changed_parm_map&
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changed_parms() const;
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const string_parm_map&
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removed_parms() const;
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const string_parm_map&
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added_parms() const;
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virtual unsigned
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length() const;
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virtual void
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report(ostream&, const string& indent = "") const;
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}; // end class function_decl_diff
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function_decl_diff_sptr
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compute_diff(const function_decl_sptr first,
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const function_decl_sptr second);
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class translation_unit_diff;
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typedef shared_ptr<translation_unit_diff> translation_unit_diff_sptr;
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class translation_unit_diff : public scope_diff
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{
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public:
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translation_unit_diff(translation_unit_sptr first,
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translation_unit_sptr second);
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virtual unsigned
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length() const;
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virtual void
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report(ostream& out, const string& indent = "") const;
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};//end clss translation_unit_diff
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translation_unit_diff_sptr
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compute_diff(const translation_unit_sptr first,
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const translation_unit_sptr second);
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}// end namespace comparison
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}// end namespace abigail
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