Added timeout functionality

Author: regarm

README.md

@@ -47,7 +47,8 @@ Here is the example of default ```Languages.sublime-settings```.
 	},
 	"lang-cpp" : {
 		"compile_cmd" : "g++ \"${code_file}\" -o \"${code_file_path}/${code_file_base_name}\"",
-		"execute_cmd" : "\"${code_file_path}/${code_file_base_name}\""
+		"execute_cmd" : "\"${code_file_path}/${code_file_base_name}\"",
+		"timeout" : 3
 	},
 	"lang-java" : {
 		"compile_cmd" : "javac \"${code_file}\"",
@@ -59,6 +60,8 @@ Here is the example of default ```Languages.sublime-settings```.
 }
 ~~~
 
+```timeout``` here specifies how long process should be allowed to run. Default is 3 seconds.
+
 The key ```lang-extension``` is used to determine which language command should be used.  
 Following variables are available :  
  * ${code_file_extension} : Extension of file being executed.  

languages.sublime-settings

@@ -1,11 +1,12 @@
 {
 	"lang-c" : {
 		"compile_cmd" : "gcc \"${code_file}\" -o \"${code_file_path}/${code_file_base_name}\"",
-		"execute_cmd" : "\"${code_file_path}/${code_file_base_name}\""
+		"execute_cmd" : "\"${code_file_path}/${code_file_base_name}\"",
 	},
 	"lang-cpp" : {
 		"compile_cmd" : "g++ \"${code_file}\" -o \"${code_file_path}/${code_file_base_name}\"",
-		"execute_cmd" : "\"${code_file_path}/${code_file_base_name}\""
+		"execute_cmd" : "\"${code_file_path}/${code_file_base_name}\"",
+		"timeout" : 3
 	},
 	"lang-java" : {
 		"compile_cmd" : "javac \"${code_file}\"",

run.py

@@ -12,6 +12,8 @@
 
 settings = sublime.load_settings("Languages.sublime-settings")
 
+DEFAULT_TIMEOUT = 3
+
 
 class Environment(object):
     """ Environment for target file.
@@ -113,12 +115,26 @@ def execute(input_view, output_view):
                                stderr=subprocess.STDOUT,
                                universal_newlines=True
                                )
-        output, errors = run.communicate(Environment.last_input_view.substr(sublime.Region(0, input_view.size())))
-        run.wait();
-        output_view.run_command("output_file_edit", {"append": run.args + "\n\n"});
-        output_view.run_command("output_file_edit", {"append": "------------------------------------------\n"});
-        output_view.run_command("output_file_edit", {"append": output + "\n"});
-        output_view.run_command("output_file_edit", {"append": "------------------------------------------\n"});
+       	output_view.run_command("output_file_edit", {"append": run.args + "\n\n"});
+       	output = None
+       	timeout = DEFAULT_TIMEOUT
+       	if "timeout" in lang_settings:
+       		timeout = lang_settings["timeout"]
+
+        try:
+        	output, errors = run.communicate(Environment.last_input_view.substr(sublime.Region(0, input_view.size())), timeout=timeout)
+        except subprocess.TimeoutExpired:
+        	output_view.run_command("output_file_edit", {"append": "Timeout expired of " + str(timeout) + " seconds\n"});
+        	output_view.run_command("output_file_edit", {"append": "Timeout is added to stop running the process indefinitely, It can be changed in Languages.sublime-settings\n"});
+        	run.kill()
+        	output, errors = run.communicate()
+        finally:
+        	if output != None:
+	        	output_view.run_command("output_file_edit", {"append": "------------------------------------------\n"});
+		        output_view.run_command("output_file_edit", {"append": output + "\n"});
+		        output_view.run_command("output_file_edit", {"append": "------------------------------------------\n"});
+
+
         output_view.run_command("output_file_edit",
                                 {"append": "Execution finished with exit code : " + str(run.returncode)})