[libcasr] Add JS stacktrace parsing

libcasr/fuzz/fuzz_targets/parse_stacktrace.rs

@@ -9,6 +9,7 @@ use libcasr::{
     init_ignored_frames,
     java::JavaStacktrace,
     python::PythonStacktrace,
+    js::JSStacktrace,
     stacktrace::{CrashLineExt, Filter, ParseStacktrace, Stacktrace},
 };
 
@@ -17,7 +18,7 @@ fuzz_target!(|data: &[u8]| {
         return;
     }
     let s = String::from_utf8_lossy(&data[1..]);
-    init_ignored_frames!("cpp", "rust", "python", "go", "java");
+    init_ignored_frames!("cpp", "rust", "python", "go", "java", "js");
     match data[0] % 5 {
         0 => {
             // Asan
@@ -51,6 +52,14 @@ fuzz_target!(|data: &[u8]| {
                 }
             }
         }
+        4 => {
+            // JS
+            if let Ok(raw) = JSStacktrace::extract_stacktrace(&s) {
+                if let Ok(st) = JSStacktrace::parse_stacktrace(&raw) {
+                    let _ = st.crash_line();
+                }
+            }
+        }
         _ => {
             // Gdb
             if let Ok(raw) = GdbStacktrace::extract_stacktrace(&s) {

libcasr/fuzz/init_corpus/js

@@ -0,0 +1,13 @@
+Error: 1
+    at eval (eval at <anonymous> (eval at g (/fuzz/FuzzTarget_jazzer.js:7:7)), <anonymous>:4:23)
+    at eval (eval at g (/fuzz/FuzzTarget_jazzer.js:7:7), <anonymous>:8:13)
+    at g (/fuzz/FuzzTarget_jazzer.js:14:13)
+    at fuzz (/fuzz/FuzzTarget_jazzer.js:29:9)
+    at module.exports.fuzz (/fuzz/FuzzTarget_jazzer.js:51:5)
+    at result (/fuzz/node_modules/@jazzer.js/core/core.ts:335:15)
+Error: 2
+    at eval (eval at g (/fuzz/FuzzTarget_jazzer.js:7:7), <anonymous>:9:54)
+    at g (/fuzz/FuzzTarget_jazzer.js:14:13)
+    at fuzz (/fuzz/FuzzTarget_jazzer.js:29:9)
+    at module.exports.fuzz (/fuzz/FuzzTarget_jazzer.js:51:5)
+    at result (/fuzz/node_modules/@jazzer.js/core/core.ts:335:15)

libcasr/src/constants.rs

@@ -31,6 +31,12 @@ pub const STACK_FRAME_FUNCTION_IGNORE_REGEXES_JAVA: &[&str] = &[
     r"^javax\.",
 ];
 
+/// Regular expressions for JS functions to be ignored.
+pub const STACK_FRAME_FUNCTION_IGNORE_REGEXES_JS: &[&str] = &[
+    // TODO
+    r"^<anonymous>$",
+];
+
 /// Regular expressions for python functions to be ignored.
 pub const STACK_FRAME_FUNCTION_IGNORE_REGEXES_PYTHON: &[&str] = &[
     // TODO
@@ -228,6 +234,16 @@ pub const STACK_FRAME_FILEPATH_IGNORE_REGEXES_JAVA: &[&str] = &[
     r"^[^.]$",
 ];
 
+/// Regular expressions for paths to JS files that should be ignored.
+pub const STACK_FRAME_FILEPATH_IGNORE_REGEXES_JS: &[&str] = &[
+    // TODO
+    r"^<anonymous>$",
+    r"^native$",
+    // JS internal modules
+    r"^(|node:)internal/?",
+    r"^(|node:)events/?",
+];
+
 /// Regular expressions for paths to python files that should be ignored.
 pub const STACK_FRAME_FILEPATH_IGNORE_REGEXES_PYTHON: &[&str] = &[
     // TODO