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annotate CppApplication_1 (copy)/first.cpp @ 2:993424504eb7

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This netbeans project for single thread application it didn't work yet, may be the spidermonkey's version is the reason and I'll try to solve this
author Sara
date Sun, 05 Jan 2014 14:13:51 -0800
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Sara@2 1 /*
Sara@2 2 * File: first.cpp
Sara@2 3 * Author: sara
Sara@2 4 *
Sara@2 5 * Created on December 30, 2013, 11:41 AM
Sara@2 6 */
Sara@2 7
Sara@2 8 #include <cstdlib>
Sara@2 9 /* Include the JSAPI header file to get access to SpiderMonkey. */
Sara@2 10 #include "jsapi.h"
Sara@2 11 #include <pthread.h>
Sara@2 12
Sara@2 13 using namespace std;
Sara@2 14 struct thread_parameter
Sara@2 15 {
Sara@2 16 // char *uncompiledScript;
Sara@2 17 // JSObject *sharedGlobalObject;
Sara@2 18 // JSRuntime *currRt;
Sara@2 19 char *tempstr;
Sara@2 20
Sara@2 21
Sara@2 22 };
Sara@2 23 /* The class of the global object. */
Sara@2 24 JSRuntime *rt;
Sara@2 25 JSObject *global;
Sara@2 26 static JSClass global_class = {
Sara@2 27 "global", JSCLASS_GLOBAL_FLAGS,
Sara@2 28 JS_PropertyStub, JS_PropertyStub, JS_PropertyStub, JS_StrictPropertyStub,
Sara@2 29 JS_EnumerateStub, JS_ResolveStub, JS_ConvertStub, JS_FinalizeStub,
Sara@2 30 JSCLASS_NO_OPTIONAL_MEMBERS
Sara@2 31 };
Sara@2 32
Sara@2 33 /* The error reporter callback. */
Sara@2 34 void reportError(JSContext *cx, const char *message, JSErrorReport *report)
Sara@2 35 {
Sara@2 36 fprintf(stderr, "%s:%u:%s\n",
Sara@2 37 report->filename ? report->filename : "<no filename=\"filename\">",
Sara@2 38 (unsigned int) report->lineno,
Sara@2 39 message);
Sara@2 40 }
Sara@2 41 /** the function which the thread executes when is created at main
Sara@2 42 *@parameter structure of all the argument the function needs
Sara@2 43 *@return return null at the end
Sara@2 44 */
Sara@2 45 void *threadFunction(void* arg){
Sara@2 46 /* indicates that the execution of the script is executed successfully or not*/
Sara@2 47 bool execute;
Sara@2 48 int temp = 1;
Sara@2 49 // char *script = "'Hi' + 'Sara'";
Sara@2 50 char threadScript[] = "'Hi ' + 'Sara!'";
Sara@2 51 char *scr = threadScript;
Sara@2 52 JSString *outStr;
Sara@2 53 /* carries the value of the last expression of the script*/
Sara@2 54 jsval rval1;
Sara@2 55
Sara@2 56 /* The new context which is created by the thread*/
Sara@2 57 JSContext *currContext;
Sara@2 58 /* pass the incoming argument of the function */
Sara@2 59 // struct thread_parameter *arg1 = (struct thread_parameter *) arg;
Sara@2 60 //const char *uncScript = (const char*)arg->uncompiledScript;
Sara@2 61 //scr = (char *)arg;
Sara@2 62 /*Creates new context to be attached to the creator thread*/
Sara@2 63 currContext = JS_NewContext(rt, 8192);
Sara@2 64 if (currContext == NULL)
Sara@2 65 return NULL;
Sara@2 66 /* In a thread safe build every entry to the api that uses
Sara@2 67 context must be in a request for thread safety*/
Sara@2 68 JS_BeginRequest(currContext);
Sara@2 69 JS_SetOptions(currContext, JSOPTION_VAROBJFIX | JSOPTION_JIT | JSOPTION_METHODJIT);
Sara@2 70 JS_SetVersion(currContext, JSVERSION_LATEST);
Sara@2 71 /*Compiles the incoming script*/
Sara@2 72 JSObject *compiledScript = JS_CompileScript(currContext, global, scr,strlen(scr), "threadFilename", 0);
Sara@2 73 /*Executes the compiled script*/
Sara@2 74 execute = JS_ExecuteScript(currContext, global, compiledScript, &rval1);
Sara@2 75 if ( rval1 == JS_FALSE)//rval == JS_NULL |
Sara@2 76 return NULL;
Sara@2 77 /*gets the returned value of the last expression of the executed script*/
Sara@2 78 outStr = JS_ValueToString(currContext, rval1);
Sara@2 79 printf("%s\n", JS_EncodeString(currContext, outStr));
Sara@2 80 /*Ends the request */
Sara@2 81 JS_EndRequest(currContext);
Sara@2 82 /*Destroy the context of that thread*/
Sara@2 83 JS_DestroyContext(currContext);
Sara@2 84 //printf("HI, Sara");
Sara@2 85 return NULL;
Sara@2 86
Sara@2 87 }
Sara@2 88 /*
Sara@2 89 *
Sara@2 90 */
Sara@2 91 int main(int argc, const char *argv[]) {
Sara@2 92
Sara@2 93 /* JSAPI variables. */
Sara@2 94 //JSRuntime *rt;
Sara@2 95 JSContext *cx;
Sara@2 96 // JSObject *global;
Sara@2 97 /* id of the created thread*/
Sara@2 98 pthread_t thread_id;
Sara@2 99
Sara@2 100 /* Create a JS runtime. You always need at least one runtime per process. */
Sara@2 101 rt = JS_NewRuntime(8 * 1024 * 1024);
Sara@2 102 if (rt == NULL)
Sara@2 103 return 1;
Sara@2 104
Sara@2 105 /*
Sara@2 106 * Create a context. You always need a context per thread.
Sara@2 107 * Note that this program is not multi-threaded.
Sara@2 108 This thread is used by the main thread only
Sara@2 109 */
Sara@2 110 cx = JS_NewContext(rt, 8192);
Sara@2 111 if (cx == NULL)
Sara@2 112 return 1;
Sara@2 113 JS_BeginRequest(cx);
Sara@2 114 JS_SetOptions(cx, JSOPTION_VAROBJFIX | JSOPTION_JIT | JSOPTION_METHODJIT);
Sara@2 115 JS_SetVersion(cx, JSVERSION_LATEST);
Sara@2 116 JS_SetErrorReporter(cx, reportError);
Sara@2 117
Sara@2 118 /*
Sara@2 119 * Create the global object in a new compartment.
Sara@2 120 * You always need a global object per context.
Sara@2 121 */
Sara@2 122
Sara@2 123 global = JS_NewCompartmentAndGlobalObject(cx, &global_class, NULL);
Sara@2 124 if (global == NULL)
Sara@2 125 return 1;
Sara@2 126
Sara@2 127 /*
Sara@2 128 * Populate the global object with the standard JavaScript
Sara@2 129 * function and object classes, such as Object, Array, Date.
Sara@2 130 */
Sara@2 131 if (!JS_InitStandardClasses(cx, global))
Sara@2 132 return 1;
Sara@2 133
Sara@2 134 /* Your application code here. This may include JSAPI calls
Sara@2 135 * to create your own custom JavaScript objects and to run scripts.
Sara@2 136 *
Sara@2 137 * The following example code creates a literal JavaScript script,
Sara@2 138 * evaluates it, and prints the result to stdout.
Sara@2 139 *
Sara@2 140 * Errors are conventionally saved in a JSBool variable named ok.
Sara@2 141 */
Sara@2 142
Sara@2 143
Sara@2 144 /** Create the thread here....*/
Sara@2 145 struct thread_parameter threadArg;
Sara@2 146 //threadArg.sharedGlobalObject = global;
Sara@2 147 char threadScript[] = "'Hi ' + 'Sara!'";
Sara@2 148 //threadArg.tempstr = threadScript;
Sara@2 149 //threadArg.currRt = rt;
Sara@2 150
Sara@2 151 pthread_create(&thread_id, NULL, &threadFunction,NULL);
Sara@2 152 /*****************************************************************/
Sara@2 153 const char *script = "'Hello ' + 'World!'";
Sara@2 154 jsval rval;
Sara@2 155 JSString *str;
Sara@2 156 JSBool ok;
Sara@2 157 const char *filename = "noname";
Sara@2 158 uintN lineno = 0;
Sara@2 159 ok = JS_EvaluateScript(cx, global, script, strlen(script),
Sara@2 160 filename, lineno, &rval);
Sara@2 161 if ( rval == JS_FALSE)//rval == JS_NULL |
Sara@2 162 return 1;
Sara@2 163 str = JS_ValueToString(cx, rval);
Sara@2 164 printf("%s\n", JS_EncodeString(cx, str));
Sara@2 165
Sara@2 166 /* End of your application code */
Sara@2 167
Sara@2 168 /* Clean things up and shut down SpiderMonkey. */
Sara@2 169 JS_EndRequest(cx);
Sara@2 170 JS_DestroyContext(cx);
Sara@2 171 JS_DestroyRuntime(rt);
Sara@2 172 JS_ShutDown();
Sara@2 173
Sara@2 174 return 0;
Sara@2 175 }
Sara@2 176