Skip to content
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.

Sign up for GitHub

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

Jump to bottom

Append harness name to the graph file (debug feature only) #3528

Merged
merged 1 commit into from
Sep 23, 2024
Merged

Append harness name to the graph file (debug feature only) #3528

Changes from all commits
Commits
Show all changes
1 commit
Select commit
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
12 changes: 9 additions & 3 deletions kani-compiler/src/kani_middle/reachability.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -60,7 +60,7 @@ pub fn collect_reachable_items(
#[cfg(debug_assertions)]
collector
.call_graph
.dump_dot(tcx)
.dump_dot(tcx, starting_points.first().cloned())
.unwrap_or_else(|e| tracing::error!("Failed to dump call graph: {e}"));

tcx.dcx().abort_if_errors();
Expand Down Expand Up @@ -579,12 +579,18 @@ impl CallGraph {

/// Print the graph in DOT format to a file.
/// See <https://graphviz.org/doc/info/lang.html> for more information.
fn dump_dot(&self, tcx: TyCtxt) -> std::io::Result<()> {
fn dump_dot(&self, tcx: TyCtxt, initial: Option<MonoItem>) -> std::io::Result<()> {
if let Ok(target) = std::env::var("KANI_REACH_DEBUG") {
debug!(?target, "dump_dot");
let name = initial.map(|item| Node(item).to_string()).unwrap_or_default();
let outputs = tcx.output_filenames(());
let base_path = outputs.path(OutputType::Metadata);
let path = base_path.as_path().with_extension("dot");
let file_stem = format!(
"{}_{}.dot",
base_path.as_path().file_stem().unwrap().to_string_lossy(),
name
);
let path = base_path.as_path().parent().unwrap().join(file_stem);
let out_file = File::create(path)?;
let mut writer = BufWriter::new(out_file);
writeln!(writer, "digraph ReachabilityGraph {{")?;
Expand Down
Loading