seanhalle@6: /* 
seanhalle@6:  * File:   first.cpp
seanhalle@6:  * Author: sara
seanhalle@6:  *
seanhalle@6:  * Created on December 30, 2013, 11:41 AM
seanhalle@6:  */
seanhalle@6: 
seanhalle@6: #include <cstdlib>
seanhalle@6: /* Include the JSAPI header file to get access to SpiderMonkey. */
seanhalle@6: #include "jsapi.h"
seanhalle@6: #include <pthread.h>
seanhalle@6: 
seanhalle@6: using namespace std;
seanhalle@6: struct thread_parameter
seanhalle@6: {
seanhalle@6:  // char *uncompiledScript;
seanhalle@6:    // JSObject *sharedGlobalObject;
seanhalle@6:    // JSRuntime *currRt;
seanhalle@6:     char *tempstr;
seanhalle@6:    
seanhalle@6: 
seanhalle@6: };
seanhalle@6: /* The class of the global object. */
seanhalle@6: JSRuntime *rt;
seanhalle@6: JSObject  *global;
seanhalle@6: static JSClass global_class = {
seanhalle@6:     "global", JSCLASS_GLOBAL_FLAGS,
seanhalle@6:     JS_PropertyStub, JS_PropertyStub, JS_PropertyStub, JS_StrictPropertyStub,
seanhalle@6:     JS_EnumerateStub, JS_ResolveStub, JS_ConvertStub, JS_FinalizeStub,
seanhalle@6:     JSCLASS_NO_OPTIONAL_MEMBERS
seanhalle@6: };
seanhalle@6: 
seanhalle@6: /* The error reporter callback. */
seanhalle@6: void reportError(JSContext *cx, const char *message, JSErrorReport *report)
seanhalle@6: {
seanhalle@6:     fprintf(stderr, "%s:%u:%s\n",
seanhalle@6:             report->filename ? report->filename : "<no filename=\"filename\">",
seanhalle@6:             (unsigned int) report->lineno,
seanhalle@6:             message);
seanhalle@6: }
seanhalle@6: /** the function which the thread executes when is created at main 
seanhalle@6:  *@parameter structure of all the argument the function needs
seanhalle@6:  *@return return null at the end 
seanhalle@6: */ 
seanhalle@6: void *threadFunction(void* arg){
seanhalle@6:  /* indicates that the execution of the script is executed successfully or not*/
seanhalle@6:  bool execute;
seanhalle@6:  int temp = 1;
seanhalle@6: // char *script = "'Hi' + 'Sara'";
seanhalle@6:  char threadScript[] = "'Hi ' + 'Sara!'";
seanhalle@6:  char *scr = threadScript;
seanhalle@6:   JSString *outStr;
seanhalle@6: /* carries the value of the last expression of the script*/
seanhalle@6:  jsval rval1;
seanhalle@6:  
seanhalle@6: /* The new context which is created by the thread*/
seanhalle@6:   JSContext *currContext;
seanhalle@6: /* pass the incoming argument of the function */
seanhalle@6: // struct thread_parameter *arg1 = (struct thread_parameter *) arg;
seanhalle@6: //const char *uncScript = (const char*)arg->uncompiledScript;
seanhalle@6:   //scr = (char *)arg;
seanhalle@6: /*Creates new context to be attached to the creator thread*/ 
seanhalle@6: currContext = JS_NewContext(rt, 8192);
seanhalle@6:   if (currContext == NULL)
seanhalle@6:        return NULL;
seanhalle@6: /* In a thread safe build every entry to the api that uses
seanhalle@6:    context must be in a request for thread safety*/
seanhalle@6:   JS_BeginRequest(currContext);
seanhalle@6:    JS_SetOptions(currContext, JSOPTION_VAROBJFIX | JSOPTION_JIT | JSOPTION_METHODJIT);
seanhalle@6:    JS_SetVersion(currContext, JSVERSION_LATEST);
seanhalle@6: /*Compiles the incoming script*/
seanhalle@6:   JSObject *compiledScript = JS_CompileScript(currContext, global, scr,strlen(scr), "threadFilename", 0);
seanhalle@6: /*Executes the compiled script*/
seanhalle@6:    execute = JS_ExecuteScript(currContext, global, compiledScript, &rval1);
seanhalle@6:       if ( rval1 == JS_FALSE)//rval == JS_NULL |
seanhalle@6:         return NULL;
seanhalle@6:     /*gets the returned value of the last expression of the executed script*/
seanhalle@6:     outStr = JS_ValueToString(currContext, rval1);
seanhalle@6:     printf("%s\n", JS_EncodeString(currContext, outStr));
seanhalle@6: /*Ends the request */
seanhalle@6:     JS_EndRequest(currContext);
seanhalle@6: /*Destroy the context of that thread*/
seanhalle@6:      JS_DestroyContext(currContext);
seanhalle@6:  //printf("HI, Sara");
seanhalle@6:     return NULL;
seanhalle@6:     
seanhalle@6: }
seanhalle@6: /*
seanhalle@6:  * 
seanhalle@6:  */
seanhalle@6: int main(int argc, const char *argv[]) {
seanhalle@6: 
seanhalle@6:      /* JSAPI variables. */
seanhalle@6:     //JSRuntime *rt;
seanhalle@6:     JSContext *cx;
seanhalle@6:    // JSObject  *global;
seanhalle@6: /* id of the created thread*/
seanhalle@6:     pthread_t thread_id;
seanhalle@6: 
seanhalle@6:     /* Create a JS runtime. You always need at least one runtime per process. */
seanhalle@6:     rt = JS_NewRuntime(8 * 1024 * 1024);
seanhalle@6:     if (rt == NULL)
seanhalle@6:         return 1;
seanhalle@6: 
seanhalle@6:     /* 
seanhalle@6:      * Create a context. You always need a context per thread.
seanhalle@6:      * Note that this program is not multi-threaded.
seanhalle@6:      This thread is used by the main thread only
seanhalle@6:      */
seanhalle@6:     cx = JS_NewContext(rt, 8192);
seanhalle@6:     if (cx == NULL)
seanhalle@6:         return 1;
seanhalle@6:     JS_BeginRequest(cx);
seanhalle@6:     JS_SetOptions(cx, JSOPTION_VAROBJFIX | JSOPTION_JIT | JSOPTION_METHODJIT);
seanhalle@6:     JS_SetVersion(cx, JSVERSION_LATEST);
seanhalle@6:     JS_SetErrorReporter(cx, reportError);
seanhalle@6: 
seanhalle@6:     /*
seanhalle@6:      * Create the global object in a new compartment.
seanhalle@6:      * You always need a global object per context.
seanhalle@6:      */
seanhalle@6:     
seanhalle@6:     global = JS_NewCompartmentAndGlobalObject(cx, &global_class, NULL);
seanhalle@6:     if (global == NULL)
seanhalle@6:         return 1;
seanhalle@6: 
seanhalle@6:     /*
seanhalle@6:      * Populate the global object with the standard JavaScript
seanhalle@6:      * function and object classes, such as Object, Array, Date.
seanhalle@6:      */
seanhalle@6:     if (!JS_InitStandardClasses(cx, global))
seanhalle@6:         return 1;
seanhalle@6: 
seanhalle@6:     /* Your application code here. This may include JSAPI calls
seanhalle@6:      * to create your own custom JavaScript objects and to run scripts.
seanhalle@6:      *
seanhalle@6:      * The following example code creates a literal JavaScript script,
seanhalle@6:      * evaluates it, and prints the result to stdout.
seanhalle@6:      *
seanhalle@6:      * Errors are conventionally saved in a JSBool variable named ok.
seanhalle@6:      */
seanhalle@6: 
seanhalle@6: 
seanhalle@6:     /** Create the thread here....*/
seanhalle@6:     struct thread_parameter threadArg;
seanhalle@6:     //threadArg.sharedGlobalObject = global;
seanhalle@6:      char threadScript[] = "'Hi ' + 'Sara!'";
seanhalle@6:     //threadArg.tempstr = threadScript;
seanhalle@6:     //threadArg.currRt = rt;
seanhalle@6:    
seanhalle@6:     pthread_create(&thread_id, NULL, &threadFunction,NULL);
seanhalle@6: /*****************************************************************/
seanhalle@6:     const char *script = "'Hello ' + 'World!'";
seanhalle@6:     jsval rval;
seanhalle@6:     JSString *str;
seanhalle@6:     JSBool ok;
seanhalle@6:     const char *filename = "noname";
seanhalle@6:     uintN lineno = 0;
seanhalle@6:     ok = JS_EvaluateScript(cx, global, script, strlen(script),
seanhalle@6:                            filename, lineno, &rval);
seanhalle@6:     if ( rval == JS_FALSE)//rval == JS_NULL |
seanhalle@6:         return 1;
seanhalle@6:     str = JS_ValueToString(cx, rval);
seanhalle@6:     printf("%s\n", JS_EncodeString(cx, str));
seanhalle@6: 
seanhalle@6:     /* End of your application code */
seanhalle@6: 
seanhalle@6:     /* Clean things up and shut down SpiderMonkey. */
seanhalle@6:     JS_EndRequest(cx);
seanhalle@6:     JS_DestroyContext(cx);
seanhalle@6:     JS_DestroyRuntime(rt);
seanhalle@6:     JS_ShutDown();
seanhalle@6:     
seanhalle@6:     return 0;
seanhalle@6: }
seanhalle@6: