Skip to content

remove uses of base_type_eq #6989

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 3 commits into from
Jul 5, 2022
Merged
Show file tree
Hide file tree
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
14 changes: 4 additions & 10 deletions src/analyses/does_remove_const.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -13,19 +13,13 @@ Author: Diffblue Ltd.

#include <goto-programs/goto_program.h>

#include <util/base_type.h>
#include <util/pointer_expr.h>
#include <util/std_code.h>

/// A naive analysis to look for casts that remove const-ness from pointers.
/// \param goto_program: the goto program to check
/// \param ns: the namespace of the goto program (used for checking type
/// equality)
does_remove_constt::does_remove_constt(
const goto_programt &goto_program,
const namespacet &ns):
goto_program(goto_program),
ns(ns)
does_remove_constt::does_remove_constt(const goto_programt &goto_program)
: goto_program(goto_program)
Comment on lines +21 to +22
Copy link
Collaborator

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Thank you for adding this commit. The documentation above, however, also needs to be updated (removing lines 21 and 22) to keep doxygen happy.

{}

/// A naive analysis to look for casts that remove const-ness from pointers.
Expand Down Expand Up @@ -69,11 +63,11 @@ bool does_remove_constt::does_expr_lose_const(const exprt &expr) const
{
const typet &root_type=expr.type();

// Look in each child that has the same base type as the root
// Look in each child that has the same type as the root
for(const exprt &op : expr.operands())
{
const typet &op_type=op.type();
if(base_type_eq(op_type, root_type, ns))
if(op_type == root_type)
Copy link
Collaborator

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

With this change the ns class member should be removed in a follow-up commit.

{
// Is this child more const-qualified than the root
if(!does_type_preserve_const_correctness(&root_type, &op_type))
Expand Down
4 changes: 1 addition & 3 deletions src/analyses/does_remove_const.h
Original file line number Diff line number Diff line change
Expand Up @@ -14,15 +14,14 @@ Author: Diffblue Ltd.
#include <utility>

class goto_programt;
class namespacet;
class exprt;
class source_locationt;
class typet;

class does_remove_constt
{
public:
does_remove_constt(const goto_programt &goto_program, const namespacet &ns);
explicit does_remove_constt(const goto_programt &);
std::pair<bool, source_locationt> operator()() const;

private:
Expand All @@ -35,7 +34,6 @@ class does_remove_constt
const typet *target_type, const typet *source_type) const;

const goto_programt &goto_program;
const namespacet &ns;

friend class does_remove_const_testt;
};
Expand Down
4 changes: 1 addition & 3 deletions src/goto-instrument/replace_calls.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -13,7 +13,6 @@ Author: Daniel Poetzl

#include "replace_calls.h"

#include <util/base_type.h>
#include <util/exception_utils.h>
#include <util/invariant.h>
#include <util/namespace.h>
Expand Down Expand Up @@ -161,8 +160,7 @@ void replace_callst::check_replacement_map(
auto it1 = goto_functions.function_map.find(p.first);
if(it1 != goto_functions.function_map.end())
{
if(!base_type_eq(
ns.lookup(it1->first).type, ns.lookup(it2->first).type, ns))
if(ns.lookup(it1->first).type != ns.lookup(it2->first).type)
throw invalid_command_line_argument_exceptiont(
"functions " + id2string(p.first) + " and " + id2string(p.second) +
" are not type-compatible",
Expand Down
5 changes: 2 additions & 3 deletions src/goto-programs/goto_program.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,6 @@ Author: Daniel Kroening, [email protected]

#include <iomanip>

#include <util/base_type.h>
#include <util/expr_iterator.h>
#include <util/find_symbols.h>
#include <util/format_expr.h>
Expand Down Expand Up @@ -808,7 +807,7 @@ void goto_programt::instructiont::validate(
if(!ns.lookup(goto_id, table_symbol))
{
bool symbol_expr_type_matches_symbol_table =
base_type_eq(goto_symbol_expr.type(), table_symbol->type, ns);
goto_symbol_expr.type() == table_symbol->type;

if(
!symbol_expr_type_matches_symbol_table &&
Expand All @@ -831,7 +830,7 @@ void goto_programt::instructiont::validate(
table_symbol_type.return_type();

symbol_expr_type_matches_symbol_table =
base_type_eq(goto_symbol_expr_type, table_symbol_type, ns);
goto_symbol_expr_type == table_symbol_type;
}
}

Expand Down
2 changes: 1 addition & 1 deletion src/goto-programs/remove_function_pointers.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -270,7 +270,7 @@ void remove_function_pointerst::remove_function_pointer(

const exprt &pointer = function.pointer();
remove_const_function_pointerst::functionst functions;
does_remove_constt const_removal_check(goto_program, ns);
does_remove_constt const_removal_check(goto_program);
const auto does_remove_const = const_removal_check();
messaget log{message_handler};
if(does_remove_const.first)
Expand Down
69 changes: 29 additions & 40 deletions src/linking/linking.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -14,7 +14,6 @@ Author: Daniel Kroening, [email protected]
#include <deque>
#include <unordered_set>

#include <util/base_type.h>
#include <util/c_types.h>
#include <util/find_symbols.h>
#include <util/mathematical_types.h>
Expand Down Expand Up @@ -150,10 +149,8 @@ void linkingt::detailed_conflict_report_rec(
t1.id()==ID_array)
{
if(
depth > 0 && !base_type_eq(
to_type_with_subtype(t1).subtype(),
to_type_with_subtype(t2).subtype(),
ns))
depth > 0 &&
to_type_with_subtype(t1).subtype() != to_type_with_subtype(t2).subtype())
{
if(conflict_path.type().id() == ID_pointer)
conflict_path = dereference_exprt(conflict_path);
Expand Down Expand Up @@ -202,7 +199,7 @@ void linkingt::detailed_conflict_report_rec(
msg+=id2string(components2[i].get_name())+')';
break;
}
else if(!base_type_eq(subtype1, subtype2, ns))
else if(subtype1 != subtype2)
{
typedef std::unordered_set<typet, irep_hash> type_sett;
type_sett parent_types;
Expand Down Expand Up @@ -332,7 +329,7 @@ void linkingt::detailed_conflict_report_rec(
msg+=std::to_string(parameters1.size())+'/';
msg+=std::to_string(parameters2.size())+')';
}
else if(!base_type_eq(return_type1, return_type2, ns))
else if(return_type1 != return_type2)
{
conflict_path=
index_exprt(conflict_path,
Expand All @@ -356,7 +353,7 @@ void linkingt::detailed_conflict_report_rec(
const typet &subtype1=parameters1[i].type();
const typet &subtype2=parameters2[i].type();

if(!base_type_eq(subtype1, subtype2, ns))
if(subtype1 != subtype2)
{
conflict_path=
index_exprt(conflict_path,
Expand Down Expand Up @@ -475,7 +472,7 @@ void linkingt::duplicate_code_symbol(
symbolt &new_symbol)
{
// Both are functions.
if(!base_type_eq(old_symbol.type, new_symbol.type, ns))
if(old_symbol.type != new_symbol.type)
{
const code_typet &old_t=to_code_type(old_symbol.type);
const code_typet &new_t=to_code_type(new_symbol.type);
Expand All @@ -486,11 +483,8 @@ void linkingt::duplicate_code_symbol(
// casts we need to fail hard
if(old_symbol.type.get_bool(ID_C_incomplete) && old_symbol.value.is_nil())
{
if(base_type_eq(old_t.return_type(), new_t.return_type(), ns))
link_warning(
old_symbol,
new_symbol,
"implicit function declaration");
if(old_t.return_type() == new_t.return_type())
link_warning(old_symbol, new_symbol, "implicit function declaration");
else
link_error(
old_symbol,
Expand All @@ -504,7 +498,7 @@ void linkingt::duplicate_code_symbol(
else if(
new_symbol.type.get_bool(ID_C_incomplete) && new_symbol.value.is_nil())
{
if(base_type_eq(old_t.return_type(), new_t.return_type(), ns))
if(old_t.return_type() == new_t.return_type())
link_warning(
old_symbol,
new_symbol,
Expand All @@ -516,13 +510,12 @@ void linkingt::duplicate_code_symbol(
"implicit function declaration");
}
// handle (incomplete) function prototypes
else if(base_type_eq(old_t.return_type(), new_t.return_type(), ns) &&
((old_t.parameters().empty() &&
old_t.has_ellipsis() &&
old_symbol.value.is_nil()) ||
(new_t.parameters().empty() &&
new_t.has_ellipsis() &&
new_symbol.value.is_nil())))
else if(
old_t.return_type() == new_t.return_type() &&
((old_t.parameters().empty() && old_t.has_ellipsis() &&
old_symbol.value.is_nil()) ||
(new_t.parameters().empty() && new_t.has_ellipsis() &&
new_symbol.value.is_nil())))
{
if(old_t.parameters().empty() &&
old_t.has_ellipsis() &&
Expand Down Expand Up @@ -572,9 +565,9 @@ void linkingt::duplicate_code_symbol(
}
// conflicting declarations without a definition, matching return
// types
else if(base_type_eq(old_t.return_type(), new_t.return_type(), ns) &&
old_symbol.value.is_nil() &&
new_symbol.value.is_nil())
else if(
old_t.return_type() == new_t.return_type() && old_symbol.value.is_nil() &&
new_symbol.value.is_nil())
{
link_warning(
old_symbol,
Expand Down Expand Up @@ -613,7 +606,7 @@ void linkingt::duplicate_code_symbol(
typedef std::deque<std::pair<typet, typet> > conflictst;
conflictst conflicts;

if(!base_type_eq(old_t.return_type(), new_t.return_type(), ns))
if(old_t.return_type() != new_t.return_type())
conflicts.push_back(
std::make_pair(old_t.return_type(), new_t.return_type()));

Expand All @@ -625,7 +618,7 @@ void linkingt::duplicate_code_symbol(
n_it!=new_t.parameters().end();
++o_it, ++n_it)
{
if(!base_type_eq(o_it->type(), n_it->type(), ns))
if(o_it->type() != n_it->type())
conflicts.push_back(
std::make_pair(o_it->type(), n_it->type()));
}
Expand Down Expand Up @@ -718,7 +711,7 @@ void linkingt::duplicate_code_symbol(

bool found=false;
for(const auto &c : union_type.components())
if(base_type_eq(c.type(), src_type, ns))
if(c.type() == src_type)
{
found=true;
if(warn_msg.empty())
Expand Down Expand Up @@ -793,7 +786,7 @@ void linkingt::duplicate_code_symbol(
{
// ok, silently ignore
}
else if(base_type_eq(old_symbol.type, new_symbol.type, ns))
else if(old_symbol.type == new_symbol.type)
{
// keep the one in old_symbol -- libraries come last!
debug().source_location = new_symbol.location;
Expand All @@ -816,7 +809,7 @@ bool linkingt::adjust_object_type_rec(
const typet &t2,
adjust_type_infot &info)
{
if(base_type_eq(t1, t2, ns))
if(t1 == t2)
return false;

if(
Expand Down Expand Up @@ -1025,7 +1018,7 @@ void linkingt::duplicate_object_symbol(
// both are variables
bool set_to_new = false;

if(!base_type_eq(old_symbol.type, new_symbol.type, ns))
if(old_symbol.type != new_symbol.type)
{
bool failed=
adjust_object_type(old_symbol, new_symbol, set_to_new);
Expand Down Expand Up @@ -1081,7 +1074,7 @@ void linkingt::duplicate_object_symbol(
simplify(tmp_old, ns);
simplify(tmp_new, ns);

if(base_type_eq(tmp_old, tmp_new, ns))
if(tmp_old == tmp_new)
{
// ok, the same
}
Expand Down Expand Up @@ -1211,10 +1204,8 @@ void linkingt::duplicate_type_symbol(

if(
old_symbol.type.id() == ID_array && new_symbol.type.id() == ID_array &&
base_type_eq(
to_array_type(old_symbol.type).element_type(),
to_array_type(new_symbol.type).element_type(),
ns))
to_array_type(old_symbol.type).element_type() ==
to_array_type(new_symbol.type).element_type())
{
if(to_array_type(old_symbol.type).size().is_nil() &&
to_array_type(new_symbol.type).size().is_not_nil())
Expand Down Expand Up @@ -1286,10 +1277,8 @@ bool linkingt::needs_renaming_type(

if(
old_symbol.type.id() == ID_array && new_symbol.type.id() == ID_array &&
base_type_eq(
to_array_type(old_symbol.type).element_type(),
to_array_type(new_symbol.type).element_type(),
ns))
to_array_type(old_symbol.type).element_type() ==
to_array_type(new_symbol.type).element_type())
{
if(to_array_type(old_symbol.type).size().is_nil() &&
to_array_type(new_symbol.type).size().is_not_nil())
Expand Down
1 change: 0 additions & 1 deletion src/util/Makefile
Original file line number Diff line number Diff line change
@@ -1,7 +1,6 @@
SRC = arith_tools.cpp \
array_element_from_pointer.cpp \
array_name.cpp \
base_type.cpp \
bitvector_expr.cpp \
bitvector_types.cpp \
bv_arithmetic.cpp \
Expand Down
Loading