Remove `rescue Exception` instances

closes #428

lib/brakeman/checks.rb

@@ -100,7 +100,7 @@ class Brakeman::Checks
 
         begin
           check.run_check
-        rescue Exception => e
+        rescue => e
           tracker.error e
         end
 
@@ -138,7 +138,7 @@ class Brakeman::Checks
 
           begin
             check.run_check
-          rescue Exception => e
+          rescue => e
             error_mutex.synchronize do
               tracker.error e
             end

lib/brakeman/processors/alias_processor.rb

@@ -58,7 +58,7 @@ class Brakeman::AliasProcessor < Brakeman::SexpProcessor
           e
         end
       end
-    rescue Exception => err
+    rescue => err
       @tracker.error err if @tracker
     end
 

lib/brakeman/processors/erb_template_processor.rb

@@ -20,7 +20,7 @@ class Brakeman::ErbTemplateProcessor < Brakeman::TemplateProcessor
         @inside_concat = false
 
         if exp.second_arg
-          raise Exception.new("Did not expect more than a single argument to _erbout.concat")
+          raise "Did not expect more than a single argument to _erbout.concat"
         end
 
         arg = exp.first_arg

lib/brakeman/processors/haml_template_processor.rb

@@ -30,7 +30,7 @@ class Brakeman::HamlTemplateProcessor < Brakeman::TemplateProcessor
                 out = exp.first_arg = process(arg)
                 @inside_concat = false
               else
-                raise Exception.new("Empty _hamlout.#{method}()?")
+                raise "Empty _hamlout.#{method}()?"
               end
 
               if string? out
@@ -46,7 +46,7 @@ class Brakeman::HamlTemplateProcessor < Brakeman::TemplateProcessor
                     Sexp.new :format, out
                   end
                 else
-                  raise Exception.new("Unrecognized action on _hamlout: #{method}")
+                  raise "Unrecognized action on _hamlout: #{method}"
                 end
               end
 

lib/brakeman/processors/output_processor.rb

@@ -18,7 +18,7 @@ class Brakeman::OutputProcessor < Ruby2Ruby
   def process exp
     begin
       super exp if sexp? exp and not exp.empty?
-    rescue Exception => e
+    rescue => e
       Brakeman.debug "While formatting #{exp}: #{e}\n#{e.backtrace.join("\n")}"
     end
   end

lib/brakeman/processors/template_processor.rb

@@ -26,7 +26,7 @@ class Brakeman::TemplateProcessor < Brakeman::BaseProcessor
   def process exp
     begin
       super
-    rescue Exception => e
+    rescue => e
       except = e.exception("Error when processing #{@current_template[:name]}: #{e.message}")
       except.set_backtrace(e.backtrace)
       raise except

lib/brakeman/scanner.rb

@@ -95,7 +95,7 @@ class Brakeman::Scanner
       @processor.process_config(parse_ruby(@app_tree.read(path)))
     end
 
-  rescue Exception => e
+  rescue => e
     Brakeman.notify "[Notice] Error while processing #{path}"
     tracker.error e.exception(e.message + "\nwhile processing #{path}"), e.backtrace
   end
@@ -111,7 +111,7 @@ class Brakeman::Scanner
         @processor.process_gems(parse_ruby(@app_tree.read("Gemfile")))
       end
     end
-  rescue Exception => e
+  rescue => e
     Brakeman.notify "[Notice] Error while processing Gemfile."
     tracker.error e.exception(e.message + "\nWhile processing Gemfile"), e.backtrace
   end
@@ -131,7 +131,7 @@ class Brakeman::Scanner
       @processor.process_initializer(path, parse_ruby(@app_tree.read_path(path)))
     rescue Racc::ParseError => e
       tracker.error e, "could not parse #{path}. There is probably a typo in the file. Test it with 'ruby_parse #{path}'"
-    rescue Exception => e
+    rescue => e
       tracker.error e.exception(e.message + "\nWhile processing #{path}"), e.backtrace
     end
   end
@@ -162,7 +162,7 @@ class Brakeman::Scanner
       @processor.process_lib parse_ruby(@app_tree.read_path(path)), path
     rescue Racc::ParseError => e
       tracker.error e, "could not parse #{path}. There is probably a typo in the file. Test it with 'ruby_parse #{path}'"
-    rescue Exception => e
+    rescue => e
       tracker.error e.exception(e.message + "\nWhile processing #{path}"), e.backtrace
     end
   end
@@ -174,7 +174,7 @@ class Brakeman::Scanner
     if @app_tree.exists?("config/routes.rb")
       begin
         @processor.process_routes parse_ruby(@app_tree.read("config/routes.rb"))
-      rescue Exception => e
+      rescue => e
         tracker.error e.exception(e.message + "\nWhile processing routes.rb"), e.backtrace
         Brakeman.notify "[Notice] Error while processing routes - assuming all public controller methods are actions."
         options[:assume_all_routes] = true
@@ -219,7 +219,7 @@ class Brakeman::Scanner
       @processor.process_controller(parse_ruby(@app_tree.read_path(path)), path)
     rescue Racc::ParseError => e
       tracker.error e, "could not parse #{path}. There is probably a typo in the file. Test it with 'ruby_parse #{path}'"
-    rescue Exception => e
+    rescue => e
       tracker.error e.exception(e.message + "\nWhile processing #{path}"), e.backtrace
     end
   end
@@ -305,7 +305,7 @@ class Brakeman::Scanner
       tracker.error e, "could not parse #{path}"
     rescue Haml::Error => e
       tracker.error e, ["While compiling HAML in #{path}"] << e.backtrace
-    rescue Exception => e
+    rescue StandardError, LoadError => e
       tracker.error e.exception(e.message + "\nWhile processing #{path}"), e.backtrace
     end
   end
@@ -339,7 +339,7 @@ class Brakeman::Scanner
       @processor.process_model(parse_ruby(@app_tree.read_path(path)), path)
     rescue Racc::ParseError => e
       tracker.error e, "could not parse #{path}"
-    rescue Exception => e
+    rescue => e
       tracker.error e.exception(e.message + "\nWhile processing #{path}"), e.backtrace
     end
   end

lib/ruby_parser/bm_sexp_processor.rb

@@ -88,7 +88,7 @@ class Brakeman::SexpProcessor
   def error_handler(type, exp=nil) # :nodoc:
     begin
       return yield
-    rescue StandardError => err
+    rescue => err
       warn "#{err.class} Exception thrown while processing #{type} for sexp #{exp.inspect} #{caller.inspect}" if $DEBUG
       raise
     end