@@ -19,6 +19,7 @@ along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#include "config.h"
+#define INCLUDE_MEMORY
#include "system.h"
#include "coretypes.h"
#include "tree.h"
@@ -19,6 +19,7 @@ along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#include "config.h"
+#define INCLUDE_MEMORY
#include "system.h"
#include "coretypes.h"
#include "tree.h"
@@ -19,6 +19,7 @@ along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#include "config.h"
+#define INCLUDE_MEMORY
#include "system.h"
#include "coretypes.h"
#include "tree.h"
@@ -19,6 +19,7 @@ along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#include "config.h"
+#define INCLUDE_MEMORY
#include "system.h"
#include "coretypes.h"
#include "tree.h"
@@ -645,14 +646,14 @@ saved_diagnostic::saved_diagnostic (const state_machine *sm,
tree var,
const svalue *sval,
state_machine::state_t state,
- pending_diagnostic *d,
+ std::unique_ptr<pending_diagnostic> d,
unsigned idx)
: m_sm (sm), m_enode (enode), m_snode (snode), m_stmt (stmt),
/* stmt_finder could be on-stack; we want our own copy that can
outlive that. */
m_stmt_finder (stmt_finder ? stmt_finder->clone () : NULL),
m_var (var), m_sval (sval), m_state (state),
- m_d (d), m_trailing_eedge (NULL),
+ m_d (std::move (d)), m_trailing_eedge (NULL),
m_idx (idx),
m_best_epath (NULL), m_problem (NULL),
m_notes ()
@@ -669,7 +670,6 @@ saved_diagnostic::saved_diagnostic (const state_machine *sm,
saved_diagnostic::~saved_diagnostic ()
{
delete m_stmt_finder;
- delete m_d;
delete m_best_epath;
delete m_problem;
}
@@ -696,10 +696,10 @@ saved_diagnostic::operator== (const saved_diagnostic &other) const
/* Add PN to this diagnostic, taking ownership of it. */
void
-saved_diagnostic::add_note (pending_note *pn)
+saved_diagnostic::add_note (std::unique_ptr<pending_note> pn)
{
gcc_assert (pn);
- m_notes.safe_push (pn);
+ m_notes.safe_push (pn.release ());
}
/* Return a new json::object of the form
@@ -903,7 +903,7 @@ public:
pending_diagnostic *get_pending_diagnostic () const
{
- return m_sd.m_d;
+ return m_sd.m_d.get ();
}
bool reachable_from_p (const exploded_node *src_enode) const
@@ -962,8 +962,7 @@ diagnostic_manager::diagnostic_manager (logger *logger, engine *eng,
}
/* Queue pending_diagnostic D at ENODE for later emission.
- Return true/false signifying if the diagnostic was actually added.
- Take ownership of D (or delete it). */
+ Return true/false signifying if the diagnostic was actually added. */
bool
diagnostic_manager::add_diagnostic (const state_machine *sm,
@@ -973,7 +972,7 @@ diagnostic_manager::add_diagnostic (const state_machine *sm,
tree var,
const svalue *sval,
state_machine::state_t state,
- pending_diagnostic *d)
+ std::unique_ptr<pending_diagnostic> d)
{
LOG_FUNC (get_logger ());
@@ -994,7 +993,6 @@ diagnostic_manager::add_diagnostic (const state_machine *sm,
if (get_logger ())
get_logger ()->log ("rejecting disabled warning %qs",
d->get_kind ());
- delete d;
m_num_disabled_diagnostics++;
return false;
}
@@ -1002,13 +1000,13 @@ diagnostic_manager::add_diagnostic (const state_machine *sm,
saved_diagnostic *sd
= new saved_diagnostic (sm, enode, snode, stmt, finder, var, sval,
- state, d, m_saved_diagnostics.length ());
+ state, std::move (d), m_saved_diagnostics.length ());
m_saved_diagnostics.safe_push (sd);
enode->add_diagnostic (sd);
if (get_logger ())
log ("adding saved diagnostic %i at SN %i to EN %i: %qs",
sd->get_index (),
- snode->m_index, enode->m_index, d->get_kind ());
+ snode->m_index, enode->m_index, sd->m_d->get_kind ());
return true;
}
@@ -1020,17 +1018,17 @@ bool
diagnostic_manager::add_diagnostic (exploded_node *enode,
const supernode *snode, const gimple *stmt,
stmt_finder *finder,
- pending_diagnostic *d)
+ std::unique_ptr<pending_diagnostic> d)
{
gcc_assert (enode);
return add_diagnostic (NULL, enode, snode, stmt, finder, NULL_TREE,
- NULL, 0, d);
+ NULL, 0, std::move (d));
}
/* Add PN to the most recent saved_diagnostic. */
void
-diagnostic_manager::add_note (pending_note *pn)
+diagnostic_manager::add_note (std::unique_ptr<pending_note> pn)
{
LOG_FUNC (get_logger ());
gcc_assert (pn);
@@ -1038,7 +1036,7 @@ diagnostic_manager::add_note (pending_note *pn)
/* Get most recent saved_diagnostic. */
gcc_assert (m_saved_diagnostics.length () > 0);
saved_diagnostic *sd = m_saved_diagnostics[m_saved_diagnostics.length () - 1];
- sd->add_note (pn);
+ sd->add_note (std::move (pn));
}
/* Return a new json::object of the form
@@ -1393,13 +1391,13 @@ diagnostic_manager::emit_saved_diagnostic (const exploded_graph &eg,
emission_path.inject_any_inlined_call_events (get_logger ());
- emission_path.prepare_for_emission (sd.m_d);
+ emission_path.prepare_for_emission (sd.m_d.get ());
location_t loc
= get_emission_location (sd.m_stmt, sd.m_snode->m_fun, *sd.m_d);
/* Allow the pending_diagnostic to fix up the locations of events. */
- emission_path.fixup_locations (sd.m_d);
+ emission_path.fixup_locations (sd.m_d.get ());
gcc_rich_location rich_loc (loc);
rich_loc.set_path (&emission_path);
@@ -1787,14 +1785,12 @@ struct null_assignment_sm_context : public sm_context
}
void warn (const supernode *, const gimple *,
- tree, pending_diagnostic *d) final override
+ tree, std::unique_ptr<pending_diagnostic>) final override
{
- delete d;
}
void warn (const supernode *, const gimple *,
- const svalue *, pending_diagnostic *d) final override
+ const svalue *, std::unique_ptr<pending_diagnostic>) final override
{
- delete d;
}
tree get_diagnostic_tree (tree expr) final override
@@ -36,13 +36,13 @@ public:
stmt_finder *stmt_finder,
tree var, const svalue *sval,
state_machine::state_t state,
- pending_diagnostic *d,
+ std::unique_ptr<pending_diagnostic> d,
unsigned idx);
~saved_diagnostic ();
bool operator== (const saved_diagnostic &other) const;
- void add_note (pending_note *pn);
+ void add_note (std::unique_ptr<pending_note> pn);
json::object *to_json () const;
@@ -76,7 +76,7 @@ public:
tree m_var;
const svalue *m_sval;
state_machine::state_t m_state;
- pending_diagnostic *m_d; // owned
+ std::unique_ptr<pending_diagnostic> m_d;
const exploded_edge *m_trailing_eedge;
private:
@@ -117,14 +117,14 @@ public:
tree var,
const svalue *sval,
state_machine::state_t state,
- pending_diagnostic *d);
+ std::unique_ptr<pending_diagnostic> d);
bool add_diagnostic (exploded_node *enode,
const supernode *snode, const gimple *stmt,
stmt_finder *finder,
- pending_diagnostic *d);
+ std::unique_ptr<pending_diagnostic> d);
- void add_note (pending_note *pn);
+ void add_note (std::unique_ptr<pending_note> pn);
void emit_saved_diagnostics (const exploded_graph &eg);
@@ -22,6 +22,7 @@ along with GCC; see the file COPYING3. If not see
#define INCLUDE_MEMORY
#include "system.h"
#include "coretypes.h"
+#include "make-unique.h"
#include "tree.h"
#include "fold-const.h"
#include "gcc-rich-location.h"
@@ -118,35 +119,29 @@ impl_region_model_context (program_state *state,
}
bool
-impl_region_model_context::warn (pending_diagnostic *d)
+impl_region_model_context::warn (std::unique_ptr<pending_diagnostic> d)
{
LOG_FUNC (get_logger ());
if (m_stmt == NULL && m_stmt_finder == NULL)
{
if (get_logger ())
get_logger ()->log ("rejecting diagnostic: no stmt");
- delete d;
return false;
}
if (m_eg)
return m_eg->get_diagnostic_manager ().add_diagnostic
(m_enode_for_diag, m_enode_for_diag->get_supernode (),
- m_stmt, m_stmt_finder, d);
+ m_stmt, m_stmt_finder, std::move (d));
else
- {
- delete d;
- return false;
- }
+ return false;
}
void
-impl_region_model_context::add_note (pending_note *pn)
+impl_region_model_context::add_note (std::unique_ptr<pending_note> pn)
{
LOG_FUNC (get_logger ());
if (m_eg)
- m_eg->get_diagnostic_manager ().add_note (pn);
- else
- delete pn;
+ m_eg->get_diagnostic_manager ().add_note (std::move (pn));
}
void
@@ -417,10 +412,11 @@ public:
}
void warn (const supernode *snode, const gimple *stmt,
- tree var, pending_diagnostic *d) final override
+ tree var,
+ std::unique_ptr<pending_diagnostic> d) final override
{
LOG_FUNC (get_logger ());
- gcc_assert (d); // take ownership
+ gcc_assert (d);
impl_region_model_context old_ctxt
(m_eg, m_enode_for_diag, m_old_state, m_new_state, NULL, NULL, NULL);
@@ -432,14 +428,15 @@ public:
: m_old_smap->get_global_state ());
m_eg.get_diagnostic_manager ().add_diagnostic
(&m_sm, m_enode_for_diag, snode, stmt, m_stmt_finder,
- var, var_old_sval, current, d);
+ var, var_old_sval, current, std::move (d));
}
void warn (const supernode *snode, const gimple *stmt,
- const svalue *sval, pending_diagnostic *d) final override
+ const svalue *sval,
+ std::unique_ptr<pending_diagnostic> d) final override
{
LOG_FUNC (get_logger ());
- gcc_assert (d); // take ownership
+ gcc_assert (d);
impl_region_model_context old_ctxt
(m_eg, m_enode_for_diag, m_old_state, m_new_state, NULL, NULL, NULL);
@@ -449,7 +446,7 @@ public:
: m_old_smap->get_global_state ());
m_eg.get_diagnostic_manager ().add_diagnostic
(&m_sm, m_enode_for_diag, snode, stmt, m_stmt_finder,
- NULL_TREE, sval, current, d);
+ NULL_TREE, sval, current, std::move (d));
}
/* Hook for picking more readable trees for SSA names of temporaries,
@@ -880,12 +877,12 @@ impl_region_model_context::on_state_leak (const state_machine &sm,
}
tree leaked_tree_for_diag = fixup_tree_for_diagnostic (leaked_tree);
- pending_diagnostic *pd = sm.on_leak (leaked_tree_for_diag);
+ std::unique_ptr<pending_diagnostic> pd = sm.on_leak (leaked_tree_for_diag);
if (pd)
m_eg->get_diagnostic_manager ().add_diagnostic
(&sm, m_enode_for_diag, m_enode_for_diag->get_supernode (),
m_stmt, &stmt_finder,
- leaked_tree_for_diag, sval, state, pd);
+ leaked_tree_for_diag, sval, state, std::move (pd));
}
/* Implementation of region_model_context::on_condition vfunc.
@@ -1682,7 +1679,9 @@ exploded_node::on_longjmp (exploded_graph &eg,
/* Verify that the setjmp's call_stack hasn't been popped. */
if (!valid_longjmp_stack_p (longjmp_point, setjmp_point))
{
- ctxt->warn (new stale_jmp_buf (setjmp_call, longjmp_call, setjmp_point));
+ ctxt->warn (make_unique<stale_jmp_buf> (setjmp_call,
+ longjmp_call,
+ setjmp_point));
return;
}
@@ -47,8 +47,8 @@ class impl_region_model_context : public region_model_context
uncertainty_t *uncertainty,
logger *logger = NULL);
- bool warn (pending_diagnostic *d) final override;
- void add_note (pending_note *pn) final override;
+ bool warn (std::unique_ptr<pending_diagnostic> d) final override;
+ void add_note (std::unique_ptr<pending_note> pn) final override;
void on_svalue_leak (const svalue *) override;
void on_liveness_change (const svalue_set &live_svalues,
const region_model *model) final override;
@@ -19,6 +19,7 @@ along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#include "config.h"
+#define INCLUDE_MEMORY
#include "system.h"
#include "coretypes.h"
#include "tree.h"
@@ -19,6 +19,7 @@ along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#include "config.h"
+#define INCLUDE_MEMORY
#include "system.h"
#include "coretypes.h"
#include "tree.h"
@@ -22,6 +22,7 @@ along with GCC; see the file COPYING3. If not see
#define GCC_ANALYZER_PENDING_DIAGNOSTIC_H
#include "diagnostic-path.h"
+#include "analyzer/sm.h"
namespace ana {
@@ -19,6 +19,7 @@ along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#include "config.h"
+#define INCLUDE_MEMORY
#include "system.h"
#include "coretypes.h"
#include "tree.h"
@@ -19,6 +19,7 @@ along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#include "config.h"
+#define INCLUDE_MEMORY
#include "system.h"
#include "coretypes.h"
#include "tree.h"
@@ -19,6 +19,7 @@ along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#include "config.h"
+#define INCLUDE_MEMORY
#include "system.h"
#include "coretypes.h"
#include "tree.h"
@@ -19,6 +19,7 @@ along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#include "config.h"
+#define INCLUDE_MEMORY
#include "system.h"
#include "coretypes.h"
#include "tree.h"
@@ -19,6 +19,7 @@ along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#include "config.h"
+#define INCLUDE_MEMORY
#include "system.h"
#include "coretypes.h"
#include "tree.h"
@@ -19,6 +19,7 @@ along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#include "config.h"
+#define INCLUDE_MEMORY
#include "system.h"
#include "coretypes.h"
#include "tree.h"
@@ -19,8 +19,10 @@ along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#include "config.h"
+#define INCLUDE_MEMORY
#include "system.h"
#include "coretypes.h"
+#include "make-unique.h"
#include "tree.h"
#include "function.h"
#include "basic-block.h"
@@ -814,14 +816,17 @@ region_model::get_gassign_result (const gassign *assign,
if (TREE_CODE (rhs2_cst) == INTEGER_CST)
{
if (tree_int_cst_sgn (rhs2_cst) < 0)
- ctxt->warn (new shift_count_negative_diagnostic
- (assign, rhs2_cst));
+ ctxt->warn
+ (make_unique<shift_count_negative_diagnostic>
+ (assign, rhs2_cst));
else if (compare_tree_int (rhs2_cst,
TYPE_PRECISION (TREE_TYPE (rhs1)))
>= 0)
- ctxt->warn (new shift_count_overflow_diagnostic
- (assign, TYPE_PRECISION (TREE_TYPE (rhs1)),
- rhs2_cst));
+ ctxt->warn
+ (make_unique<shift_count_overflow_diagnostic>
+ (assign,
+ int (TYPE_PRECISION (TREE_TYPE (rhs1))),
+ rhs2_cst));
}
}
@@ -1039,8 +1044,9 @@ region_model::check_for_poison (const svalue *sval,
const region *src_region = NULL;
if (pkind == POISON_KIND_UNINIT)
src_region = get_region_for_poisoned_expr (expr);
- if (ctxt->warn (new poisoned_value_diagnostic (diag_arg, pkind,
- src_region)))
+ if (ctxt->warn (make_unique<poisoned_value_diagnostic> (diag_arg,
+ pkind,
+ src_region)))
{
/* We only want to report use of a poisoned value at the first
place it gets used; return an unknown value to avoid generating
@@ -1229,7 +1235,7 @@ region_model::on_stmt_pre (const gimple *stmt,
{
/* Handle the builtin "__analyzer_dump_path" by queuing a
diagnostic at this exploded_node. */
- ctxt->warn (new dump_path_diagnostic ());
+ ctxt->warn (make_unique<dump_path_diagnostic> ());
}
else if (is_special_named_call_p (call, "__analyzer_dump_region_model",
0))
@@ -1763,9 +1769,10 @@ check_external_function_for_access_attr (const gcall *call,
m_access (access)
{
}
- pending_note *make_note () final override
+ std::unique_ptr<pending_note> make_note () final override
{
- return new reason_attr_access (m_callee_fndecl, m_access);
+ return make_unique<reason_attr_access>
+ (m_callee_fndecl, m_access);
}
private:
tree m_callee_fndecl;
@@ -2573,7 +2580,8 @@ region_model::deref_rvalue (const svalue *ptr_sval, tree ptr_tree,
const poisoned_svalue *poisoned_sval
= as_a <const poisoned_svalue *> (ptr_sval);
enum poison_kind pkind = poisoned_sval->get_poison_kind ();
- ctxt->warn (new poisoned_value_diagnostic (ptr, pkind, NULL));
+ ctxt->warn (make_unique<poisoned_value_diagnostic>
+ (ptr, pkind, NULL));
}
}
}
@@ -2730,14 +2738,16 @@ region_model::check_for_writable_region (const region* dest_reg,
{
const function_region *func_reg = as_a <const function_region *> (base_reg);
tree fndecl = func_reg->get_fndecl ();
- ctxt->warn (new write_to_const_diagnostic (func_reg, fndecl));
+ ctxt->warn (make_unique<write_to_const_diagnostic>
+ (func_reg, fndecl));
}
break;
case RK_LABEL:
{
const label_region *label_reg = as_a <const label_region *> (base_reg);
tree label = label_reg->get_label ();
- ctxt->warn (new write_to_const_diagnostic (label_reg, label));
+ ctxt->warn (make_unique<write_to_const_diagnostic>
+ (label_reg, label));
}
break;
case RK_DECL:
@@ -2750,11 +2760,11 @@ region_model::check_for_writable_region (const region* dest_reg,
"this" param is "T* const"). */
if (TREE_READONLY (decl)
&& is_global_var (decl))
- ctxt->warn (new write_to_const_diagnostic (dest_reg, decl));
+ ctxt->warn (make_unique<write_to_const_diagnostic> (dest_reg, decl));
}
break;
case RK_STRING:
- ctxt->warn (new write_to_string_literal_diagnostic (dest_reg));
+ ctxt->warn (make_unique<write_to_string_literal_diagnostic> (dest_reg));
break;
}
}
@@ -3189,8 +3199,9 @@ region_model::check_region_size (const region *lhs_reg, const svalue *rhs_sval,
tree cst_cap = cst_cap_sval->get_constant ();
if (!capacity_compatible_with_type (cst_cap, pointee_size_tree,
is_struct))
- ctxt->warn (new dubious_allocation_size (lhs_reg, rhs_reg,
- cst_cap));
+ ctxt->warn (make_unique <dubious_allocation_size> (lhs_reg,
+ rhs_reg,
+ cst_cap));
}
break;
default:
@@ -3201,8 +3212,9 @@ region_model::check_region_size (const region *lhs_reg, const svalue *rhs_sval,
if (!v.get_result ())
{
tree expr = get_representative_tree (capacity);
- ctxt->warn (new dubious_allocation_size (lhs_reg, rhs_reg,
- expr));
+ ctxt->warn (make_unique <dubious_allocation_size> (lhs_reg,
+ rhs_reg,
+ expr));
}
}
break;
@@ -4683,9 +4695,8 @@ region_model::unset_dynamic_extents (const region *reg)
/* class noop_region_model_context : public region_model_context. */
void
-noop_region_model_context::add_note (pending_note *pn)
+noop_region_model_context::add_note (std::unique_ptr<pending_note>)
{
- delete pn;
}
void
@@ -28,6 +28,7 @@ along with GCC; see the file COPYING3. If not see
#include "analyzer/svalue.h"
#include "analyzer/region.h"
+#include "analyzer/pending-diagnostic.h"
using namespace ana;
@@ -902,11 +903,11 @@ class region_model_context
public:
/* Hook for clients to store pending diagnostics.
Return true if the diagnostic was stored, or false if it was deleted. */
- virtual bool warn (pending_diagnostic *d) = 0;
+ virtual bool warn (std::unique_ptr<pending_diagnostic> d) = 0;
- /* Hook for clients to add a note to the last previously stored pending diagnostic.
- Takes ownership of the pending_node (or deletes it). */
- virtual void add_note (pending_note *pn) = 0;
+ /* Hook for clients to add a note to the last previously stored
+ pending diagnostic. */
+ virtual void add_note (std::unique_ptr<pending_note> pn) = 0;
/* Hook for clients to be notified when an SVAL that was reachable
in a previous state is no longer live, so that clients can emit warnings
@@ -980,8 +981,8 @@ class region_model_context
class noop_region_model_context : public region_model_context
{
public:
- bool warn (pending_diagnostic *) override { return false; }
- void add_note (pending_note *pn) override;
+ bool warn (std::unique_ptr<pending_diagnostic>) override { return false; }
+ void add_note (std::unique_ptr<pending_note>) override;
void on_svalue_leak (const svalue *) override {}
void on_liveness_change (const svalue_set &,
const region_model *) override {}
@@ -1054,14 +1055,14 @@ private:
class region_model_context_decorator : public region_model_context
{
public:
- bool warn (pending_diagnostic *d) override
+ bool warn (std::unique_ptr<pending_diagnostic> d) override
{
- return m_inner->warn (d);
+ return m_inner->warn (std::move (d));
}
- void add_note (pending_note *pn) override
+ void add_note (std::unique_ptr<pending_note> pn) override
{
- m_inner->add_note (pn);
+ m_inner->add_note (std::move (pn));
}
void on_svalue_leak (const svalue *sval) override
@@ -1168,9 +1169,9 @@ protected:
class note_adding_context : public region_model_context_decorator
{
public:
- bool warn (pending_diagnostic *d) override
+ bool warn (std::unique_ptr<pending_diagnostic> d) override
{
- if (m_inner->warn (d))
+ if (m_inner->warn (std::move (d)))
{
add_note (make_note ());
return true;
@@ -1180,7 +1181,7 @@ public:
}
/* Hook to make the new note. */
- virtual pending_note *make_note () = 0;
+ virtual std::unique_ptr<pending_note> make_note () = 0;
protected:
note_adding_context (region_model_context *inner)
@@ -1315,9 +1316,9 @@ using namespace ::selftest;
class test_region_model_context : public noop_region_model_context
{
public:
- bool warn (pending_diagnostic *d) final override
+ bool warn (std::unique_ptr<pending_diagnostic> d) final override
{
- m_diagnostics.safe_push (d);
+ m_diagnostics.safe_push (d.release ());
return true;
}
@@ -19,6 +19,7 @@ along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#include "config.h"
+#define INCLUDE_MEMORY
#include "system.h"
#include "coretypes.h"
#include "tree.h"
@@ -19,8 +19,10 @@ along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#include "config.h"
+#define INCLUDE_MEMORY
#include "system.h"
#include "coretypes.h"
+#include "make-unique.h"
#include "tree.h"
#include "function.h"
#include "basic-block.h"
@@ -95,7 +97,7 @@ public:
const svalue *rhs) const final override;
bool can_purge_p (state_t s) const final override;
- pending_diagnostic *on_leak (tree var) const final override;
+ std::unique_ptr<pending_diagnostic> on_leak (tree var) const final override;
bool is_unchecked_fd_p (state_t s) const;
bool is_valid_fd_p (state_t s) const;
@@ -683,7 +685,8 @@ fd_state_machine::on_open (sm_context *sm_ctxt, const supernode *node,
}
else
{
- sm_ctxt->warn (node, stmt, NULL_TREE, new fd_leak (*this, NULL_TREE));
+ sm_ctxt->warn (node, stmt, NULL_TREE,
+ make_unique <fd_leak> (*this, NULL_TREE));
}
}
@@ -706,7 +709,8 @@ fd_state_machine::on_close (sm_context *sm_ctxt, const supernode *node,
if (is_closed_fd_p (state))
{
- sm_ctxt->warn (node, stmt, arg, new double_close (*this, diag_arg));
+ sm_ctxt->warn (node, stmt, arg,
+ make_unique <double_close> (*this, diag_arg));
sm_ctxt->set_next_state (stmt, arg, m_stop);
}
}
@@ -738,7 +742,8 @@ fd_state_machine::check_for_open_fd (
if (is_closed_fd_p (state))
{
sm_ctxt->warn (node, stmt, arg,
- new fd_use_after_close (*this, diag_arg, callee_fndecl));
+ make_unique<fd_use_after_close> (*this, diag_arg,
+ callee_fndecl));
}
else
@@ -748,7 +753,8 @@ fd_state_machine::check_for_open_fd (
if (!is_constant_fd_p (state))
sm_ctxt->warn (
node, stmt, arg,
- new unchecked_use_of_fd (*this, diag_arg, callee_fndecl));
+ make_unique<unchecked_use_of_fd> (*this, diag_arg,
+ callee_fndecl));
}
switch (callee_fndecl_dir)
{
@@ -757,8 +763,8 @@ fd_state_machine::check_for_open_fd (
{
tree diag_arg = sm_ctxt->get_diagnostic_tree (arg);
sm_ctxt->warn (node, stmt, arg,
- new fd_access_mode_mismatch (
- *this, diag_arg, DIR_WRITE, callee_fndecl));
+ make_unique<fd_access_mode_mismatch>
+ (*this, diag_arg, DIR_WRITE, callee_fndecl));
}
break;
@@ -768,8 +774,8 @@ fd_state_machine::check_for_open_fd (
{
tree diag_arg = sm_ctxt->get_diagnostic_tree (arg);
sm_ctxt->warn (node, stmt, arg,
- new fd_access_mode_mismatch (
- *this, diag_arg, DIR_READ, callee_fndecl));
+ make_unique<fd_access_mode_mismatch>
+ (*this, diag_arg, DIR_READ, callee_fndecl));
}
break;
}
@@ -840,10 +846,10 @@ fd_state_machine::can_purge_p (state_t s) const
return true;
}
-pending_diagnostic *
+std::unique_ptr<pending_diagnostic>
fd_state_machine::on_leak (tree var) const
{
- return new fd_leak (*this, var);
+ return make_unique<fd_leak> (*this, var);
}
} // namespace
@@ -854,4 +860,4 @@ make_fd_state_machine (logger *logger)
}
} // namespace ana
-#endif // ENABLE_ANALYZER
\ No newline at end of file
+#endif // ENABLE_ANALYZER
@@ -19,8 +19,10 @@ along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#include "config.h"
+#define INCLUDE_MEMORY
#include "system.h"
#include "coretypes.h"
+#include "make-unique.h"
#include "tree.h"
#include "function.h"
#include "basic-block.h"
@@ -82,7 +84,7 @@ public:
const svalue *rhs) const final override;
bool can_purge_p (state_t s) const final override;
- pending_diagnostic *on_leak (tree var) const final override;
+ std::unique_ptr<pending_diagnostic> on_leak (tree var) const final override;
/* State for a FILE * returned from fopen that hasn't been checked for
NULL.
@@ -407,7 +409,7 @@ fileptr_state_machine::on_stmt (sm_context *sm_ctxt,
{
tree diag_arg = sm_ctxt->get_diagnostic_tree (arg);
sm_ctxt->warn (node, stmt, arg,
- new double_fclose (*this, diag_arg));
+ make_unique<double_fclose> (*this, diag_arg));
sm_ctxt->set_next_state (stmt, arg, m_stop);
}
return true;
@@ -474,10 +476,10 @@ fileptr_state_machine::can_purge_p (state_t s) const
fileptr_state_machine, for complaining about leaks of FILE * in
state 'unchecked' and 'nonnull'. */
-pending_diagnostic *
+std::unique_ptr<pending_diagnostic>
fileptr_state_machine::on_leak (tree var) const
{
- return new file_leak (*this, var);
+ return make_unique<file_leak> (*this, var);
}
} // anonymous namespace
@@ -19,8 +19,10 @@ along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#include "config.h"
+#define INCLUDE_MEMORY
#include "system.h"
#include "coretypes.h"
+#include "make-unique.h"
#include "tree.h"
#include "function.h"
#include "basic-block.h"
@@ -387,7 +389,7 @@ public:
const svalue *rhs) const final override;
bool can_purge_p (state_t s) const final override;
- pending_diagnostic *on_leak (tree var) const final override;
+ std::unique_ptr<pending_diagnostic> on_leak (tree var) const final override;
bool reset_when_passed_to_unknown_fn_p (state_t s,
bool is_mutable) const final override;
@@ -1729,9 +1731,8 @@ malloc_state_machine::on_stmt (sm_context *sm_ctxt,
{
tree diag_arg = sm_ctxt->get_diagnostic_tree (arg);
sm_ctxt->warn (node, stmt, arg,
- new possible_null_arg (*this, diag_arg,
- callee_fndecl,
- i));
+ make_unique<possible_null_arg>
+ (*this, diag_arg, callee_fndecl, i));
const allocation_state *astate
= as_a_allocation_state (state);
sm_ctxt->set_next_state (stmt, arg,
@@ -1741,8 +1742,8 @@ malloc_state_machine::on_stmt (sm_context *sm_ctxt,
{
tree diag_arg = sm_ctxt->get_diagnostic_tree (arg);
sm_ctxt->warn (node, stmt, arg,
- new null_arg (*this, diag_arg,
- callee_fndecl, i));
+ make_unique<null_arg>
+ (*this, diag_arg, callee_fndecl, i));
sm_ctxt->set_next_state (stmt, arg, m_stop);
}
}
@@ -1784,7 +1785,8 @@ malloc_state_machine::on_stmt (sm_context *sm_ctxt,
{
tree diag_arg = sm_ctxt->get_diagnostic_tree (arg);
sm_ctxt->warn (node, stmt, arg,
- new possible_null_deref (*this, diag_arg));
+ make_unique<possible_null_deref> (*this,
+ diag_arg));
const allocation_state *astate = as_a_allocation_state (state);
sm_ctxt->set_next_state (stmt, arg, astate->get_nonnull ());
}
@@ -1792,7 +1794,7 @@ malloc_state_machine::on_stmt (sm_context *sm_ctxt,
{
tree diag_arg = sm_ctxt->get_diagnostic_tree (arg);
sm_ctxt->warn (node, stmt, arg,
- new null_deref (*this, diag_arg));
+ make_unique<null_deref> (*this, diag_arg));
sm_ctxt->set_next_state (stmt, arg, m_stop);
}
else if (freed_p (state))
@@ -1800,8 +1802,8 @@ malloc_state_machine::on_stmt (sm_context *sm_ctxt,
tree diag_arg = sm_ctxt->get_diagnostic_tree (arg);
const allocation_state *astate = as_a_allocation_state (state);
sm_ctxt->warn (node, stmt, arg,
- new use_after_free (*this, diag_arg,
- astate->m_deallocator));
+ make_unique<use_after_free>
+ (*this, diag_arg, astate->m_deallocator));
sm_ctxt->set_next_state (stmt, arg, m_stop);
}
}
@@ -1853,8 +1855,8 @@ malloc_state_machine::handle_free_of_non_heap (sm_context *sm_ctxt,
freed_reg = old_model->deref_rvalue (ptr_sval, arg, NULL);
}
sm_ctxt->warn (node, call, arg,
- new free_of_non_heap (*this, diag_arg, freed_reg,
- d->m_name));
+ make_unique<free_of_non_heap>
+ (*this, diag_arg, freed_reg, d->m_name));
sm_ctxt->set_next_state (call, arg, m_stop);
}
@@ -1882,11 +1884,11 @@ malloc_state_machine::on_deallocator_call (sm_context *sm_ctxt,
{
/* Wrong allocator. */
tree diag_arg = sm_ctxt->get_diagnostic_tree (arg);
- pending_diagnostic *pd
- = new mismatching_deallocation (*this, diag_arg,
- astate->m_deallocators,
- d);
- sm_ctxt->warn (node, call, arg, pd);
+ sm_ctxt->warn (node, call, arg,
+ make_unique<mismatching_deallocation>
+ (*this, diag_arg,
+ astate->m_deallocators,
+ d));
}
sm_ctxt->set_next_state (call, arg, d->m_freed);
}
@@ -1898,7 +1900,7 @@ malloc_state_machine::on_deallocator_call (sm_context *sm_ctxt,
/* freed -> stop, with warning. */
tree diag_arg = sm_ctxt->get_diagnostic_tree (arg);
sm_ctxt->warn (node, call, arg,
- new double_free (*this, diag_arg, d->m_name));
+ make_unique<double_free> (*this, diag_arg, d->m_name));
sm_ctxt->set_next_state (call, arg, m_stop);
}
else if (state == m_non_heap)
@@ -1936,11 +1938,10 @@ malloc_state_machine::on_realloc_call (sm_context *sm_ctxt,
{
/* Wrong allocator. */
tree diag_arg = sm_ctxt->get_diagnostic_tree (arg);
- pending_diagnostic *pd
- = new mismatching_deallocation (*this, diag_arg,
- astate->m_deallocators,
- d);
- sm_ctxt->warn (node, call, arg, pd);
+ sm_ctxt->warn (node, call, arg,
+ make_unique<mismatching_deallocation>
+ (*this, diag_arg,
+ astate->m_deallocators, d));
sm_ctxt->set_next_state (call, arg, m_stop);
if (path_context *path_ctxt = sm_ctxt->get_path_context ())
path_ctxt->terminate_path ();
@@ -1951,7 +1952,7 @@ malloc_state_machine::on_realloc_call (sm_context *sm_ctxt,
/* freed -> stop, with warning. */
tree diag_arg = sm_ctxt->get_diagnostic_tree (arg);
sm_ctxt->warn (node, call, arg,
- new double_free (*this, diag_arg, "free"));
+ make_unique<double_free> (*this, diag_arg, "free"));
sm_ctxt->set_next_state (call, arg, m_stop);
if (path_context *path_ctxt = sm_ctxt->get_path_context ())
path_ctxt->terminate_path ();
@@ -2033,10 +2034,10 @@ malloc_state_machine::can_purge_p (state_t s) const
(for complaining about leaks of pointers in state 'unchecked' and
'nonnull'). */
-pending_diagnostic *
+std::unique_ptr<pending_diagnostic>
malloc_state_machine::on_leak (tree var) const
{
- return new malloc_leak (*this, var);
+ return make_unique<malloc_leak> (*this, var);
}
/* Implementation of state_machine::reset_when_passed_to_unknown_fn_p vfunc
@@ -21,8 +21,10 @@ along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#include "config.h"
+#define INCLUDE_MEMORY
#include "system.h"
#include "coretypes.h"
+#include "make-unique.h"
#include "tree.h"
#include "function.h"
#include "basic-block.h"
@@ -143,8 +145,8 @@ pattern_test_state_machine::on_condition (sm_context *sm_ctxt,
if (tree lhs_expr = sm_ctxt->get_diagnostic_tree (lhs))
{
- pending_diagnostic *diag = new pattern_match (lhs_expr, op, rhs_cst);
- sm_ctxt->warn (node, stmt, lhs_expr, diag);
+ sm_ctxt->warn (node, stmt, lhs_expr,
+ make_unique<pattern_match> (lhs_expr, op, rhs_cst));
}
}
@@ -20,8 +20,10 @@ along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#include "config.h"
+#define INCLUDE_MEMORY
#include "system.h"
#include "coretypes.h"
+#include "make-unique.h"
#include "tree.h"
#include "function.h"
#include "function.h"
@@ -184,7 +186,8 @@ sensitive_state_machine::warn_for_any_exposure (sm_context *sm_ctxt,
{
tree diag_arg = sm_ctxt->get_diagnostic_tree (arg);
sm_ctxt->warn (node, stmt, arg,
- new exposure_through_output_file (*this, diag_arg));
+ make_unique<exposure_through_output_file> (*this,
+ diag_arg));
}
}
@@ -21,8 +21,10 @@ along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#include "config.h"
+#define INCLUDE_MEMORY
#include "system.h"
#include "coretypes.h"
+#include "make-unique.h"
#include "tree.h"
#include "function.h"
#include "basic-block.h"
@@ -357,8 +359,8 @@ signal_state_machine::on_stmt (sm_context *sm_ctxt,
if (signal_unsafe_p (callee_fndecl))
if (sm_ctxt->get_global_state () == m_in_signal_handler)
sm_ctxt->warn (node, stmt, NULL_TREE,
- new signal_unsafe_call (*this, call,
- callee_fndecl));
+ make_unique<signal_unsafe_call>
+ (*this, call, callee_fndecl));
}
return false;
@@ -21,8 +21,10 @@ along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#include "config.h"
+#define INCLUDE_MEMORY
#include "system.h"
#include "coretypes.h"
+#include "make-unique.h"
#include "tree.h"
#include "function.h"
#include "basic-block.h"
@@ -973,10 +975,11 @@ taint_state_machine::check_for_tainted_size_arg (sm_context *sm_ctxt,
TREE_STRING_POINTER (access->to_external_string ());
tree diag_size = sm_ctxt->get_diagnostic_tree (size_arg);
sm_ctxt->warn (node, call, size_arg,
- new tainted_access_attrib_size (*this, diag_size, b,
- callee_fndecl,
- access->sizarg,
- access_str));
+ make_unique<tainted_access_attrib_size>
+ (*this, diag_size, b,
+ callee_fndecl,
+ access->sizarg,
+ access_str));
}
}
}
@@ -1011,7 +1014,7 @@ taint_state_machine::check_for_tainted_divisor (sm_context *sm_ctxt,
tree diag_divisor = sm_ctxt->get_diagnostic_tree (divisor_expr);
sm_ctxt->warn (node, assign, divisor_expr,
- new tainted_divisor (*this, diag_divisor, b));
+ make_unique <tainted_divisor> (*this, diag_divisor, b));
sm_ctxt->set_next_state (assign, divisor_sval, m_stop);
}
}
@@ -1074,7 +1077,7 @@ region_model::check_region_for_taint (const region *reg,
if (taint_sm.get_taint (state, index->get_type (), &b))
{
tree arg = get_representative_tree (index);
- ctxt->warn (new tainted_array_index (taint_sm, arg, b));
+ ctxt->warn (make_unique<tainted_array_index> (taint_sm, arg, b));
}
}
break;
@@ -1096,7 +1099,7 @@ region_model::check_region_for_taint (const region *reg,
if (taint_sm.get_taint (state, effective_type, &b))
{
tree arg = get_representative_tree (offset);
- ctxt->warn (new tainted_offset (taint_sm, arg, b));
+ ctxt->warn (make_unique<tainted_offset> (taint_sm, arg, b));
}
}
break;
@@ -1121,7 +1124,7 @@ region_model::check_region_for_taint (const region *reg,
if (taint_sm.get_taint (state, size_sval->get_type (), &b))
{
tree arg = get_representative_tree (size_sval);
- ctxt->warn (new tainted_size (taint_sm, arg, b));
+ ctxt->warn (make_unique<tainted_size> (taint_sm, arg, b));
}
}
break;
@@ -1167,7 +1170,8 @@ region_model::check_dynamic_size_for_taint (enum memory_space mem_space,
if (taint_sm.get_taint (state, size_in_bytes->get_type (), &b))
{
tree arg = get_representative_tree (size_in_bytes);
- ctxt->warn (new tainted_allocation_size (taint_sm, arg, b, mem_space));
+ ctxt->warn (make_unique<tainted_allocation_size>
+ (taint_sm, arg, b, mem_space));
}
}
@@ -19,6 +19,7 @@ along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#include "config.h"
+#define INCLUDE_MEMORY
#include "system.h"
#include "coretypes.h"
#include "tree.h"
@@ -41,6 +42,7 @@ along with GCC; see the file COPYING3. If not see
#include "analyzer/store.h"
#include "analyzer/svalue.h"
#include "analyzer/program-state.h"
+#include "analyzer/pending-diagnostic.h"
#if ENABLE_ANALYZER
@@ -123,6 +125,14 @@ state_machine::get_state_by_name (const char *name) const
gcc_unreachable ();
}
+/* Base implementation of state_machine::on_leak. */
+
+std::unique_ptr<pending_diagnostic>
+state_machine::on_leak (tree var ATTRIBUTE_UNUSED) const
+{
+ return NULL;
+}
+
/* Dump a multiline representation of this state machine to PP. */
void
@@ -114,10 +114,8 @@ public:
virtual bool can_purge_p (state_t s) const = 0;
/* Called when VAR leaks (and !can_purge_p). */
- virtual pending_diagnostic *on_leak (tree var ATTRIBUTE_UNUSED) const
- {
- return NULL;
- }
+ virtual std::unique_ptr<pending_diagnostic>
+ on_leak (tree var ATTRIBUTE_UNUSED) const;
/* Return true if S should be reset to "start" for values passed (or reachable
from) calls to unknown functions. IS_MUTABLE is true for pointers as
@@ -241,9 +239,11 @@ public:
/* Called by state_machine in response to pattern matches:
issue a diagnostic D using NODE and STMT for location information. */
virtual void warn (const supernode *node, const gimple *stmt,
- tree var, pending_diagnostic *d) = 0;
+ tree var,
+ std::unique_ptr<pending_diagnostic> d) = 0;
virtual void warn (const supernode *node, const gimple *stmt,
- const svalue *var, pending_diagnostic *d) = 0;
+ const svalue *var,
+ std::unique_ptr<pending_diagnostic> d) = 0;
/* For use when generating trees when creating pending_diagnostics, so that
rather than e.g.
@@ -19,6 +19,7 @@ along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#include "config.h"
+#define INCLUDE_MEMORY
#include "system.h"
#include "coretypes.h"
#include "tree.h"
@@ -19,6 +19,7 @@ along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#include "config.h"
+#define INCLUDE_MEMORY
#include "system.h"
#include "coretypes.h"
#include "tree.h"
@@ -19,6 +19,7 @@ along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#include "config.h"
+#define INCLUDE_MEMORY
#include "system.h"
#include "coretypes.h"
#include "tree.h"
@@ -19,6 +19,7 @@ along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#include "config.h"
+#define INCLUDE_MEMORY
#include "system.h"
#include "coretypes.h"
#include "tree.h"
@@ -19,8 +19,10 @@ along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#include "config.h"
+#define INCLUDE_MEMORY
#include "system.h"
#include "coretypes.h"
+#include "make-unique.h"
#include "tree.h"
#include "function.h"
#include "basic-block.h"
@@ -217,7 +219,7 @@ public:
{
return s != m_started;
}
- pending_diagnostic *on_leak (tree var) const final override;
+ std::unique_ptr<pending_diagnostic> on_leak (tree var) const final override;
/* State for a va_list that the result of a va_start or va_copy. */
state_t m_started;
@@ -558,8 +560,8 @@ va_list_state_machine::check_for_ended_va_list (sm_context *sm_ctxt,
{
if (sm_ctxt->get_state (call, arg) == m_ended)
sm_ctxt->warn (node, call, arg,
- new va_list_use_after_va_end (*this, arg, NULL_TREE,
- usage_fnname));
+ make_unique<va_list_use_after_va_end>
+ (*this, arg, NULL_TREE, usage_fnname));
}
/* Get the svalue with associated va_list_state_machine state for a
@@ -634,10 +636,10 @@ va_list_state_machine::on_va_end (sm_context *sm_ctxt,
/* Implementation of state_machine::on_leak vfunc for va_list_state_machine
(for complaining about leaks of values in state 'started'). */
-pending_diagnostic *
+std::unique_ptr<pending_diagnostic>
va_list_state_machine::on_leak (tree var) const
{
- return new va_list_leak (*this, NULL, var);
+ return make_unique<va_list_leak> (*this, NULL, var);
}
} // anonymous namespace
@@ -989,17 +991,19 @@ region_model::impl_call_va_arg (const call_details &cd)
else
{
if (ctxt)
- ctxt->warn (new va_arg_type_mismatch (va_list_tree,
- arg_reg,
- lhs_type,
- arg_type));
+ ctxt->warn (make_unique <va_arg_type_mismatch>
+ (va_list_tree,
+ arg_reg,
+ lhs_type,
+ arg_type));
saw_problem = true;
}
}
else
{
if (ctxt)
- ctxt->warn (new va_list_exhausted (va_list_tree, arg_reg));
+ ctxt->warn (make_unique <va_list_exhausted> (va_list_tree,
+ arg_reg));
saw_problem = true;
}
}
@@ -4,10 +4,12 @@
*/
/* { dg-options "-g" } */
+#define INCLUDE_MEMORY
#include "gcc-plugin.h"
#include "config.h"
#include "system.h"
#include "coretypes.h"
+#include "make-unique.h"
#include "diagnostic.h"
#include "tree.h"
#include "gimple.h"
@@ -309,9 +311,9 @@ gil_state_machine::check_for_pyobject_in_call (sm_context *sm_ctxt,
if (type_based_on_pyobject_p (type))
{
sm_ctxt->warn (node, call, NULL_TREE,
- new fncall_without_gil (*this, call,
- callee_fndecl,
- i));
+ make_unique<fncall_without_gil> (*this, call,
+ callee_fndecl,
+ i));
sm_ctxt->set_global_state (m_stop);
}
}
@@ -337,7 +339,7 @@ gil_state_machine::on_stmt (sm_context *sm_ctxt,
if (global_state == m_released_gil)
{
sm_ctxt->warn (node, stmt, NULL_TREE,
- new double_save_thread (*this, call));
+ make_unique<double_save_thread> (*this, call));
sm_ctxt->set_global_state (m_stop);
}
else
@@ -393,7 +395,7 @@ gil_state_machine::check_for_pyobject_usage_without_gil (sm_context *sm_ctxt,
if (type_based_on_pyobject_p (type))
{
sm_ctxt->warn (node, stmt, NULL_TREE,
- new pyobject_usage_without_gil (*this, op));
+ make_unique<pyobject_usage_without_gil> (*this, op));
sm_ctxt->set_global_state (m_stop);
}
}