libabigail/include/abg-comparison.h
Dodji Seketeli fd21fea696 Add --{changed,deleted,added}-{fns,vars} options to bidiff
* include/abg-comparison.h
	(diff_context::{show_{deleted,changed_added}_{fns,vars}}): Declare
	new accessors.
	(corpus_diff::context): Declare new getter.
	* src/abg-comparison.cc
	(diff_context::{show_{deleted,changed_added}_{fns,vars}}): Define
	these new accessors.
	(corpus_diff::priv::emit_corpus_diff_stats): Define new function.
	(corpus_diff::context()): Define new getter.
	(corpus_diff::report): Use the new
	corpus_diff::priv::emit_corpus_diff_stats to emit diff stats at
	the beginning of the report.  Conditionalise emitting the
	different parts of the reports (changed,deleted,added stuff) on
	the values of the new properties that were just added.
	* tools/bidiff.cc
	(options::{show_{deleted,changed,added}_{fns,vars}): New
	properties.
	(display_usage, parse_command_line): Update for the newly added
	--{changed,deleted,added}-{fns,vars} command line options.
	(set_diff_context_from_opts): Define new static function.
	(main): Create a diff context, initialize it from the options
	(using set_diff_context_from_opts) and pass it to compute_diff.

Signed-off-by: Dodji Seketeli <dodji@redhat.com>
2014-02-12 16:42:14 +01:00

1039 lines
25 KiB
C++

// -*- Mode: C++ -*-
//
// Copyright (C) 2013 Red Hat, Inc.
//
// This file is part of the GNU Application Binary Interface Generic
// Analysis and Instrumentation Library (libabigail). This library is
// free software; you can redistribute it and/or modify it under the
// terms of the GNU Lesser General Public License as published by the
// Free Software Foundation; either version 3, or (at your option) any
// later version.
// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Lesser Public License for more details.
// You should have received a copy of the GNU Lesser General Public
// License along with this program; see the file COPYING-LGPLV3. If
// not, see <http://www.gnu.org/licenses/>.
//
// Author: Dodji Seketeli
/// @file
#include <tr1/unordered_map>
#include "abg-corpus.h"
#include "abg-diff-utils.h"
namespace abigail
{
/// @brief utilities to compare abi artifacts
///
/// The main entry points of the namespace are the compute_diff()
/// overloads used to compute the difference between two abi artifacts.
namespace comparison
{
// Inject types we need into this namespace.
using std::ostream;
using std::vector;
using std::tr1::unordered_map;
using std::pair;
using diff_utils::insertion;
using diff_utils::deletion;
using diff_utils::edit_script;
class diff;
/// Convenience typedef for a shared_ptr for the @ref diff class
typedef shared_ptr<diff> diff_sptr;
/// Convenience typedef for a map which key is a string and which
/// value is a @ref decl_base_sptr.
typedef unordered_map<string, decl_base_sptr> string_decl_base_sptr_map;
/// Convenience typedef for a changed type or decl. The first element
/// of the pair is the old type/decl and the second is the new one.
typedef pair<decl_base_sptr, decl_base_sptr> changed_type_or_decl;
/// Convenience typedef for a changed function parameter. The first element of
/// the pair is the old function parm and the second element is the
/// new function parm.
typedef pair<function_decl::parameter_sptr,
function_decl::parameter_sptr> changed_parm;
/// Convenience typedef for a map which value is a changed function
/// parameter and which key is the name of the function parameter.
typedef unordered_map<string, changed_parm> string_changed_parm_map;
/// Convenience typedef for a map which value is changed type of decl.
/// The key of the map is the qualified name of the type/decl.
typedef unordered_map<string,
changed_type_or_decl> string_changed_type_or_decl_map;
/// Convenience typedef for a map which value is a function
/// parameter. The key is the name of the function parm.
typedef unordered_map<string, function_decl::parameter_sptr> string_parm_map;
/// Convenience typedef for a map which value is an enumerator. The
/// key is the name of the enumerator.
typedef unordered_map<string, enum_type_decl::enumerator> string_enumerator_map;
/// Convenience typedef for a changed enumerator. The first element
/// of the pair is the old enumerator and the second one is the new enumerator.
typedef std::pair<enum_type_decl::enumerator,
enum_type_decl::enumerator> changed_enumerator;
/// Convenience typedef for a map which value is a changed enumerator.
/// The key is the name of the changed enumerator.
typedef unordered_map<string, changed_enumerator> string_changed_enumerator_map;
/// Convenience typedef for a map which key is a string and which
/// value is a pointer to @ref decl_base.
typedef unordered_map<string, function_decl*> string_function_ptr_map;
/// Convenience typedef for a pair of pointer to @ref function_decl
/// representing a @ref function_decl change. The first
/// member of the pair represents the initial function and the second
/// member represents the changed function.
typedef std::pair<function_decl*, function_decl*> changed_function_ptr;
/// Convenience typedef for a map which key is a string and which
/// value is a @ref changed_function_ptr.
typedef unordered_map<string,
changed_function_ptr> string_changed_function_ptr_map;
/// Convenience typedef for a pair of class_decl::member_function_sptr
/// representing a changed member function. The first element of the
/// pair is the initial member function and the second element is the
/// changed one.
typedef pair<class_decl::member_function_sptr,
class_decl::member_function_sptr> changed_member_function_sptr;
/// Convenience typedef for a hash map of strings and changed member functions.
typedef unordered_map<string,
changed_member_function_sptr>
string_changed_member_function_sptr_map;
/// Convenience typedef for a hash map of strings and member functions.
typedef unordered_map<string,
class_decl::member_function_sptr>
string_member_function_sptr_map;
/// Convenience typedef for a map which key is a string and which
/// value is a point to @ref var_decl.
typedef unordered_map<string, var_decl*> string_var_ptr_map;
/// Convenience typedef for a pair of pointer to @ref var_decl
/// representing a @ref var_decl change. The first member of the pair
/// represents the initial variable and the second member represents
/// the changed variable.
typedef std::pair<var_decl*, var_decl*> changed_var_ptr;
/// Convenience typedef for a map which key is a stirng and which
/// value is a @ref changed_var_ptr.
typedef unordered_map<string, changed_var_ptr> string_changed_var_ptr_map;
class diff_context;
/// Convenience typedef for a shared pointer of @ref diff_context.
typedef shared_ptr<diff_context> diff_context_sptr;
/// The context of the diff. This type holds various bits of
/// information that is going to be used throughout the diffing of two
/// entities and the reporting that follows.
class diff_context
{
struct priv;
shared_ptr<priv> priv_;
public:
diff_context();
diff_sptr
has_diff_for(const decl_base_sptr first,
const decl_base_sptr second) const;
diff_sptr
has_diff_for_types(const type_base_sptr first,
const type_base_sptr second) const;
diff_sptr
has_diff_for(const diff_sptr d) const;
void
add_diff(const decl_base_sptr first,
const decl_base_sptr second,
diff_sptr d);
void
show_deleted_fns(bool f);
bool
show_deleted_fns() const;
void
show_changed_fns(bool f);
bool
show_changed_fns() const;
void
show_added_fns(bool f);
bool
show_added_fns() const;
void
show_deleted_vars(bool f);
bool
show_deleted_vars() const;
void
show_changed_vars(bool f);
bool
show_changed_vars() const;
void
show_added_vars(bool f);
bool
show_added_vars() const;
};//end struct diff_context.
/// This type encapsulates an edit script (a set of insertions and
/// deletions) for two constructs that are to be diff'ed. The two
/// constructs are called the "subjects" of the diff.
class diff
{
decl_base_sptr first_subject_;
decl_base_sptr second_subject_;
diff_context_sptr ctxt_;
mutable bool reported_once_;
mutable bool currently_reporting_;
protected:
diff(decl_base_sptr first_subject,
decl_base_sptr second_subject)
: first_subject_(first_subject),
second_subject_(second_subject),
reported_once_(false),
currently_reporting_(false)
{}
diff(decl_base_sptr first_subject,
decl_base_sptr second_subject,
diff_context_sptr ctxt)
: first_subject_(first_subject),
second_subject_(second_subject),
ctxt_(ctxt),
reported_once_(false),
currently_reporting_(false)
{}
public:
/// Getter of the first subject of the diff.
///
/// @return the first subject of the diff.
decl_base_sptr
first_subject() const
{return first_subject_;}
/// Getter of the second subject of the diff.
///
/// @return the second subject of the diff.
decl_base_sptr
second_subject() const
{return second_subject_;}
/// Getter of the context of the current diff.
///
/// @return the context of the current diff.
const diff_context_sptr
context() const
{return ctxt_;}
/// Setter of the context of the current diff.
///
/// @param c the new context to set.
void
context(diff_context_sptr c)
{ctxt_ = c;}
/// Tests if we are currently in the middle of emitting a report for
/// this diff.
///
/// @return true if we are currently emitting a report for the
/// current diff, false otherwise.
bool
currently_reporting() const
{return currently_reporting_;}
/// Sets a flag saying if we are currently in the middle of emitting
/// a report for this diff.
///
/// @param f true if we are currently emitting a report for the
/// current diff, false otherwise.
void
currently_reporting(bool f) const
{currently_reporting_ = f;}
/// Tests if a report has already been emitted for the current diff.
///
/// @return true if a report has already been emitted for the
/// current diff, false otherwise.
bool
reported_once() const
{return reported_once_;}
/// Sets a flag saying if a report has already been emitted for the
/// current diff.
///
/// @param f true if a repot has already been emitted for the
/// current diff, false otherwise.
void
reported_once(bool f) const
{reported_once_ = f;}
/// Pure interface to get the length of the changes
/// encapsulated by this diff. This is to be implemented by all
/// descendants of this class.
virtual unsigned
length() const = 0;
/// Pure interface to report the diff in a serialized form that is
/// legible for the user.
///
/// Note that the serializd report has to leave one empty line at
/// the end of its content.
///
/// @param out the output stream to serialize the report to.
///
/// @param indent the indentation string to use.
virtual void
report(ostream& out, const string& indent = "") const = 0;
};// end class diff
diff_sptr
compute_diff(const decl_base_sptr,
const decl_base_sptr,
diff_context_sptr ctxt);
diff_sptr
compute_diff(const type_base_sptr,
const type_base_sptr,
diff_context_sptr ctxt);
class distinct_diff;
/// Convenience typedef for a shared pointer to distinct_types_diff
typedef shared_ptr<distinct_diff> distinct_diff_sptr;
/// An abstraction of a diff between entities that are of a different
/// kind (disctinct).
class distinct_diff : public diff
{
struct priv;
typedef shared_ptr<priv> priv_sptr;
priv_sptr priv_;
protected:
distinct_diff(decl_base_sptr first,
decl_base_sptr second,
diff_context_sptr ctxt = diff_context_sptr());
public:
const decl_base_sptr
first() const;
const decl_base_sptr
second() const;
virtual unsigned
length() const;
virtual void
report(ostream& out, const string& indent = "") const;
static bool
entities_are_of_distinct_kinds(decl_base_sptr first,
decl_base_sptr second);
friend distinct_diff_sptr
compute_diff_for_distinct_kinds(const decl_base_sptr first,
const decl_base_sptr second,
diff_context_sptr ctxt);
};// end class distinct_types_diff
distinct_diff_sptr
compute_diff_for_distinct_kinds(const decl_base_sptr,
const decl_base_sptr,
diff_context_sptr ctxt);
class var_diff;
/// Convenience typedef for a shared pointer to var_diff.
typedef shared_ptr<var_diff> var_diff_sptr;
/// Abstracts a diff between two instances of @ref var_decl
class var_diff : public diff
{
struct priv;
typedef shared_ptr<priv> priv_sptr;
priv_sptr priv_;
protected:
var_diff(var_decl_sptr first,
var_decl_sptr second,
diff_sptr type_diff,
diff_context_sptr ctxt = diff_context_sptr());
public:
var_decl_sptr
first_var() const;
var_decl_sptr
second_var() const;
diff_sptr
type_diff() const;
virtual unsigned
length() const;
virtual void
report(ostream& out, const string& indent = "") const;
friend var_diff_sptr
compute_diff(const var_decl_sptr first,
const var_decl_sptr second,
diff_context_sptr ctxt);
};// end class var_diff
var_diff_sptr
compute_diff(const var_decl_sptr, const var_decl_sptr, diff_context_sptr);
class pointer_diff;
/// Convenience typedef for a shared pointer on a @ref
/// pointer_diff type.
typedef shared_ptr<pointer_diff> pointer_diff_sptr;
/// The abstraction of a diff between two pointers.
class pointer_diff : public diff
{
struct priv;
shared_ptr<priv> priv_;
protected:
pointer_diff(pointer_type_def_sptr first,
pointer_type_def_sptr second,
diff_context_sptr ctxt = diff_context_sptr());
public:
const pointer_type_def_sptr
first_pointer() const;
const pointer_type_def_sptr
second_pointer() const;
diff_sptr
underlying_type_diff() const;
void
underlying_type_diff(const diff_sptr);
virtual unsigned
length() const;
virtual void
report(ostream&, const string& indent = "") const;
friend pointer_diff_sptr
compute_diff(pointer_type_def_sptr first,
pointer_type_def_sptr second,
diff_context_sptr ctxt);
};// end class pointer_diff
pointer_diff_sptr
compute_diff(pointer_type_def_sptr first,
pointer_type_def_sptr second,
diff_context_sptr ctxt);
class reference_diff;
/// Convenience typedef for a shared pointer on a @ref
/// reference_diff type.
typedef shared_ptr<reference_diff> reference_diff_sptr;
/// The abstraction of a diff between two references.
class reference_diff : public diff
{
struct priv;
shared_ptr<priv> priv_;
protected:
reference_diff(const reference_type_def_sptr first,
const reference_type_def_sptr second,
diff_context_sptr ctxt = diff_context_sptr());
public:
reference_type_def_sptr
first_reference() const;
reference_type_def_sptr
second_reference() const;
const diff_sptr&
underlying_type_diff() const;
diff_sptr&
underlying_type_diff(diff_sptr);
virtual unsigned
length() const;
virtual void
report(ostream&, const string& indent = "") const;
friend reference_diff_sptr
compute_diff(reference_type_def_sptr first,
reference_type_def_sptr second,
diff_context_sptr ctxt);
};// end class reference_diff
reference_diff_sptr
compute_diff(reference_type_def_sptr first,
reference_type_def_sptr second,
diff_context_sptr ctxt);
class qualified_type_diff;
typedef class shared_ptr<qualified_type_diff> qualified_type_diff_sptr;
/// Abstraction of a diff between two qualified types.
class qualified_type_diff : public diff
{
struct priv;
typedef shared_ptr<priv> priv_sptr;
priv_sptr priv_;
protected:
qualified_type_diff(qualified_type_def_sptr first,
qualified_type_def_sptr second,
diff_context_sptr ctxt = diff_context_sptr());
public:
const qualified_type_def_sptr
first_qualified_type() const;
const qualified_type_def_sptr
second_qualified_type() const;
diff_sptr
underlying_type_diff() const;
void
underlying_type_diff(const diff_sptr);
virtual unsigned
length() const;
virtual void
report(ostream&, const string& indent = "") const;
friend qualified_type_diff_sptr
compute_diff(const qualified_type_def_sptr first,
const qualified_type_def_sptr second,
diff_context_sptr ctxt);
};// end class qualified_type_diff.
qualified_type_diff_sptr
compute_diff(const qualified_type_def_sptr first,
const qualified_type_def_sptr second,
diff_context_sptr ctxt);
class enum_diff;
typedef shared_ptr<enum_diff> enum_diff_sptr;
/// Abstraction of a diff between two enums.
class enum_diff : public diff
{
struct priv;
typedef shared_ptr<priv> priv_sptr;
priv_sptr priv_;
void
clear_lookup_tables();
bool
lookup_tables_empty() const;
void
ensure_lookup_tables_populated();
protected:
enum_diff(const enum_type_decl_sptr,
const enum_type_decl_sptr,
const diff_sptr,
diff_context_sptr ctxt = diff_context_sptr());
public:
const enum_type_decl_sptr
first_enum() const;
const enum_type_decl_sptr
second_enum() const;
diff_sptr
underlying_type_diff() const;
const string_enumerator_map&
deleted_enumerators() const;
const string_enumerator_map&
inserted_enumerators() const;
const string_changed_enumerator_map&
changed_enumerators() const;
virtual unsigned
length() const;
virtual void
report(ostream&, const string& indent = "") const;
friend enum_diff_sptr
compute_diff(const enum_type_decl_sptr first,
const enum_type_decl_sptr second,
diff_context_sptr ctxt);
};//end class enum_diff;
enum_diff_sptr
compute_diff(const enum_type_decl_sptr,
const enum_type_decl_sptr,
diff_context_sptr ctxt);
class class_diff;
/// Convenience typedef for a shared pointer on a @ref class_diff type.
typedef shared_ptr<class_diff> class_diff_sptr;
/// This type abstracts changes for a class_decl.
class class_diff : public diff
{
struct priv;
shared_ptr<priv> priv_;
void
clear_lookup_tables(void);
bool
lookup_tables_empty(void) const;
void
ensure_lookup_tables_populated(void) const;
protected:
class_diff(class_decl_sptr first_scope,
class_decl_sptr second_scope,
diff_context_sptr ctxt = diff_context_sptr());
public:
//TODO: add change of the name of the type.
shared_ptr<class_decl>
first_class_decl() const;
shared_ptr<class_decl>
second_class_decl() const;
const edit_script&
base_changes() const;
edit_script&
base_changes();
const edit_script&
member_types_changes() const;
edit_script&
member_types_changes();
const edit_script&
data_members_changes() const;
edit_script&
data_members_changes();
const edit_script&
member_fns_changes() const;
edit_script&
member_fns_changes();
const edit_script&
member_fn_tmpls_changes() const;
edit_script&
member_fn_tmpls_changes();
const edit_script&
member_class_tmpls_changes() const;
edit_script&
member_class_tmpls_changes();
virtual unsigned
length() const;
virtual void
report(ostream&, const string& indent = "") const;
friend class_diff_sptr
compute_diff(const class_decl_sptr first,
const class_decl_sptr second,
diff_context_sptr ctxt);
};// end class_diff
class_diff_sptr
compute_diff(const class_decl_sptr first,
const class_decl_sptr second,
diff_context_sptr ctxt);
class scope_diff;
/// Convenience typedef for a shared pointer on a @ref scope_diff.
typedef shared_ptr<scope_diff> scope_diff_sptr;
/// An abstractions of the changes between two scopes.
class scope_diff : public diff
{
struct priv;
shared_ptr<priv> priv_;
bool
lookup_tables_empty() const;
void
clear_lookup_tables();
void
ensure_lookup_tables_populated();
protected:
scope_diff(scope_decl_sptr first_scope,
scope_decl_sptr second_scope,
diff_context_sptr ctxt = diff_context_sptr());
public:
friend scope_diff_sptr
compute_diff(const scope_decl_sptr first,
const scope_decl_sptr second,
scope_diff_sptr d,
diff_context_sptr ctxt);
friend scope_diff_sptr
compute_diff(const scope_decl_sptr first_scope,
const scope_decl_sptr second_scope,
diff_context_sptr ctxt);
const scope_decl_sptr
first_scope() const;
const scope_decl_sptr
second_scope() const;
const edit_script&
member_changes() const;
edit_script&
member_changes();
const decl_base_sptr
deleted_member_at(unsigned index) const;
const decl_base_sptr
deleted_member_at(vector<deletion>::const_iterator) const;
const decl_base_sptr
inserted_member_at(unsigned i);
const decl_base_sptr
inserted_member_at(vector<unsigned>::const_iterator i);
const string_changed_type_or_decl_map&
changed_types() const;
const string_changed_type_or_decl_map&
changed_decls() const;
const string_decl_base_sptr_map&
removed_types() const;
const string_decl_base_sptr_map&
removed_decls() const;
const string_decl_base_sptr_map&
added_types() const;
const string_decl_base_sptr_map&
added_decls() const;
virtual unsigned
length() const;
virtual void
report(ostream& out, const string& indent = "") const;
};// end class scope_diff
scope_diff_sptr
compute_diff(const scope_decl_sptr first,
const scope_decl_sptr second,
scope_diff_sptr d,
diff_context_sptr ctxt);
scope_diff_sptr
compute_diff(const scope_decl_sptr first_scope,
const scope_decl_sptr second_scope,
diff_context_sptr ctxt);
class function_decl_diff;
/// Convenience typedef for a shared pointer on a @ref function_decl type.
typedef shared_ptr<function_decl_diff> function_decl_diff_sptr;
/// Abstraction of a diff between two function_decl.
class function_decl_diff : public diff
{
struct priv;
shared_ptr<priv> priv_;
void
ensure_lookup_tables_populated();
const function_decl::parameter_sptr
deleted_parameter_at(int i) const;
const function_decl::parameter_sptr
inserted_parameter_at(int i) const;
protected:
function_decl_diff(const function_decl_sptr first,
const function_decl_sptr second,
diff_context_sptr ctxt);
public:
friend function_decl_diff_sptr
compute_diff(const function_decl_sptr first,
const function_decl_sptr second,
diff_context_sptr ctxt);
const function_decl_sptr
first_function_decl() const;
const function_decl_sptr
second_function_decl() const;
const diff_sptr
return_diff() const;
const string_changed_parm_map&
changed_parms() const;
const string_parm_map&
removed_parms() const;
const string_parm_map&
added_parms() const;
virtual unsigned
length() const;
virtual void
report(ostream&, const string& indent = "") const;
}; // end class function_decl_diff
function_decl_diff_sptr
compute_diff(const function_decl_sptr first,
const function_decl_sptr second,
diff_context_sptr ctxt);
class type_decl_diff;
/// Convenience typedef for a shared pointer on a @ref type_decl_diff type.
typedef shared_ptr<type_decl_diff> type_decl_diff_sptr;
/// Abstraction of a diff between two basic type declarations.
class type_decl_diff : public diff
{
type_decl_diff();
protected:
type_decl_diff(const type_decl_sptr first,
const type_decl_sptr second,
diff_context_sptr ctxt = diff_context_sptr());
public:
friend type_decl_diff_sptr
compute_diff(const type_decl_sptr first,
const type_decl_sptr second,
diff_context_sptr ctxt);
const type_decl_sptr
first_type_decl() const;
const type_decl_sptr
second_type_decl() const;
unsigned
length() const;
void
report(ostream& out, const string& indent = "") const;
};// end type_decl_diff
type_decl_diff_sptr
compute_diff(const type_decl_sptr,
const type_decl_sptr,
diff_context_sptr);
class typedef_diff;
/// Convenience typedef for a shared pointer on a typedef_diff type.
typedef shared_ptr<typedef_diff> typedef_diff_sptr;
/// Abstraction of a diff between two typedef_decl.
class typedef_diff : public diff
{
struct priv;
shared_ptr<priv> priv_;
typedef_diff();
protected:
typedef_diff(const typedef_decl_sptr first,
const typedef_decl_sptr second,
diff_context_sptr ctxt = diff_context_sptr());
public:
friend typedef_diff_sptr
compute_diff(const typedef_decl_sptr first,
const typedef_decl_sptr second,
diff_context_sptr ctxt);
const typedef_decl_sptr
first_typedef_decl() const;
const typedef_decl_sptr
second_typedef_decl() const;
const diff_sptr
underlying_type_diff() const;
void
underlying_type_diff(const diff_sptr);
virtual unsigned
length() const;
virtual void
report(ostream&, const string& indent = "") const;
};// end class typedef_diff
typedef_diff_sptr
compute_diff(const typedef_decl_sptr,
const typedef_decl_sptr,
diff_context_sptr ctxt);
class translation_unit_diff;
/// Convenience typedef for a shared pointer on a
/// @ref translation_unit_diff type.
typedef shared_ptr<translation_unit_diff> translation_unit_diff_sptr;
/// An abstraction of a diff between two translation units.
class translation_unit_diff : public scope_diff
{
protected:
translation_unit_diff(translation_unit_sptr first,
translation_unit_sptr second,
diff_context_sptr ctxt = diff_context_sptr());
public:
friend translation_unit_diff_sptr
compute_diff(const translation_unit_sptr first,
const translation_unit_sptr second,
diff_context_sptr ctxt);
virtual unsigned
length() const;
virtual void
report(ostream& out, const string& indent = "") const;
};//end class translation_unit_diff
translation_unit_diff_sptr
compute_diff(const translation_unit_sptr first,
const translation_unit_sptr second,
diff_context_sptr ctxt = diff_context_sptr());
class corpus_diff;
/// A convenience typedef for a shared pointer to @ref corpus_diff.
typedef shared_ptr<corpus_diff> corpus_diff_sptr;
/// An abstraction of a diff between between two abi corpus.
class corpus_diff
{
struct priv;
typedef shared_ptr<priv> priv_sptr;
priv_sptr priv_;
protected:
corpus_diff(corpus_sptr first,
corpus_sptr second,
diff_context_sptr ctxt = diff_context_sptr());
public:
corpus_sptr
first_corpus() const;
corpus_sptr
second_corpus() const;
edit_script&
function_changes() const;
edit_script&
variable_changes() const;
const diff_context_sptr
context() const;
unsigned
length() const;
void
report(ostream& out, const string& indent = "") const;
friend corpus_diff_sptr
compute_diff(const corpus_sptr f,
const corpus_sptr s,
diff_context_sptr ctxt = diff_context_sptr());
}; // end class corpus_diff
corpus_diff_sptr
compute_diff(const corpus_sptr,
const corpus_sptr,
diff_context_sptr);
}// end namespace comparison
}// end namespace abigail