wipjarred/dump

1 files changed, 42 insertions, 0 deletions

diff --git a/packages/bun-crash-report-symbolizer/index.ts b/packages/bun-crash-report-symbolizer/index.ts
new file mode 100644
index 000000000..671322547
--- /dev/null
+++ b/packages/bun-crash-report-symbolizer/index.ts
@@ -0,0 +1,42 @@
+import { which } from "bun";
+
+const symbolizerPath = ["llvm-symbolizer-13", "llvm-symbolizer"].find((a) =>
+  which(a),
+);
+
+if (!symbolizerPath) {
+  throw new Error("llvm-symbolizer not found in $PATH");
+}
+
+export const symbolizer = symbolizerPath;
+
+function readCrashReport(text: string) {
+  const lines = text
+    .split("\n")
+    .map((a) => a.trim())
+    .filter((a) => a.length > 0);
+
+  const metaOffset = lines.findIndex((a) => a.includes(" bun meta "));
+  let lastMetaLine = metaOffset + 1;
+  for (; lastMetaLine < lines.length; lastMetaLine++) {
+    const line = lines[lastMetaLine];
+    if (line.includes(" bun meta ")) break;
+  }
+
+  const meta = lines.slice(metaOffset, lastMetaLine);
+  console.log(metaOffset, lastMetaLine);
+  const version = /v(\d+\.\d+\.\d+)/.exec(meta[0])?.[1];
+  var stack = lines
+    .slice(lastMetaLine + 1)
+    .filter((a) => a.length > 0 && !a.includes("ask for"));
+
+  return { version, stack };
+}
+
+console.log(
+  readCrashReport(
+    await Bun.file(
+      "/Users/jarred/.bun/.bun-crash/v0.2.3-1668157348119.crash",
+    ).text(),
+  ),
+);