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* [gcc r14-3461] analyzer: add logging to impl_path_context
@ 2023-08-24 14:26 David Malcolm
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From: David Malcolm @ 2023-08-24 14:26 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:9aaec66917c96a8d27166049d14c092da9e8361b
commit r14-3461-g9aaec66917c96a8d27166049d14c092da9e8361b
Author: David Malcolm <dmalcolm@redhat.com>
Date: Thu Aug 24 10:24:38 2023 -0400
analyzer: add logging to impl_path_context
gcc/analyzer/ChangeLog:
* engine.cc (impl_path_context::impl_path_context): Add logger
param.
(impl_path_context::bifurcate): Add log message.
(impl_path_context::terminate_path): Likewise.
(impl_path_context::m_logger): New field.
(exploded_graph::process_node): Pass logger to path_ctxt ctor.
Signed-off-by: David Malcolm <dmalcolm@redhat.com>
Diff:
---
gcc/analyzer/engine.cc | 13 +++++++++++--
1 file changed, 11 insertions(+), 2 deletions(-)
diff --git a/gcc/analyzer/engine.cc b/gcc/analyzer/engine.cc
index 3700154eec2c..a1908cdb364e 100644
--- a/gcc/analyzer/engine.cc
+++ b/gcc/analyzer/engine.cc
@@ -3848,8 +3848,10 @@ exploded_graph::maybe_create_dynamic_call (const gcall *call,
class impl_path_context : public path_context
{
public:
- impl_path_context (const program_state *cur_state)
+ impl_path_context (const program_state *cur_state,
+ logger *logger)
: m_cur_state (cur_state),
+ m_logger (logger),
m_terminate_path (false)
{
}
@@ -3868,6 +3870,9 @@ public:
void
bifurcate (std::unique_ptr<custom_edge_info> info) final override
{
+ if (m_logger)
+ m_logger->log ("bifurcating path");
+
if (m_state_at_bifurcation)
/* Verify that the state at bifurcation is consistent when we
split into multiple out-edges. */
@@ -3884,6 +3889,8 @@ public:
void terminate_path () final override
{
+ if (m_logger)
+ m_logger->log ("terminating path");
m_terminate_path = true;
}
@@ -3900,6 +3907,8 @@ public:
private:
const program_state *m_cur_state;
+ logger *m_logger;
+
/* Lazily-created copy of the state before the split. */
std::unique_ptr<program_state> m_state_at_bifurcation;
@@ -4044,7 +4053,7 @@ exploded_graph::process_node (exploded_node *node)
exactly one stmt, the one that caused the change. */
program_state next_state (state);
- impl_path_context path_ctxt (&next_state);
+ impl_path_context path_ctxt (&next_state, logger);
uncertainty_t uncertainty;
const supernode *snode = point.get_supernode ();
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