fix: Emit reference for rescued bindings. (#83)

Author: varungandhi-src

scip_indexer/SCIPIndexer.cc

@@ -111,6 +111,7 @@ static bool isTemporary(const core::GlobalState &gs, const core::LocalVariable &
     auto n = var._name;
     return n == Names::blockPreCallTemp() || n == Names::blockTemp() || n == Names::blockPassTemp() ||
            n == Names::blkArg() || n == Names::blockCall() || n == Names::blockBreakAssign() || n == Names::forTemp() ||
+           n == Names::keepForCfgTemp() ||
            // Insert checks because sometimes temporaries are initialized with a 0 unique value. 😬
            n == Names::finalReturn() || n == NameRef::noName() || n == Names::blockCall() || n == Names::selfLocal() ||
            n == Names::unconditional();

test/scip/testdata/rescue.rb

@@ -0,0 +1,18 @@
+# typed: true
+
+class MyError < StandardError
+end
+
+def handle(e)
+  puts e.inspect.to_s 
+end
+
+def f
+  begin
+    raise 'This exception will be rescued!'
+  rescue MyError => e1
+    handle(e1)
+  rescue StandardError => e2
+    handle(e2)
+  end
+end

test/scip/testdata/rescue.snapshot.rb

@@ -0,0 +1,34 @@
+ # typed: true
+ 
+ class MyError < StandardError
+#      ^^^^^^^ definition [..] MyError#
+#                ^^^^^^^^^^^^^ definition [..] StandardError#
+ end
+ 
+ def handle(e)
+#^^^^^^^^^^^^^ definition [..] Object#handle().
+#           ^ definition local 1~#780127187
+   puts e.inspect.to_s 
+#       ^ reference local 1~#780127187
+ end
+ 
+ def f
+#^^^^^ definition [..] Object#f().
+   begin
+     raise 'This exception will be rescued!'
+   rescue MyError => e1
+#         ^^^^^^^ reference local 1~#3809224601
+#         ^^^^^^^ reference [..] MyError#
+#                    ^^ definition local 1~#3809224601
+     handle(e1)
+#    ^^^^^^ reference [..] Object#handle().
+#           ^^ reference local 1~#3809224601
+   rescue StandardError => e2
+#         ^^^^^^^^^^^^^ reference local 2~#3809224601
+#         ^^^^^^^^^^^^^ reference [..] StandardError#
+#                          ^^ definition local 2~#3809224601
+     handle(e2)
+#    ^^^^^^ reference [..] Object#handle().
+#           ^^ reference local 2~#3809224601
+   end
+ end