2014-09-24 53 views
1

我刚刚安装了最新版本的SpiderMonkey,并试图运行嵌入JS引擎的示例“Hello World”程序。示例程序如下所示:SpiderMonkey编译错误

#include "jsapi.h" 

/* The class of the global object. */ 
static JSClass global_class = { 
    "global", 
    JSCLASS_GLOBAL_FLAGS, 
    JS_PropertyStub, 
    JS_DeletePropertyStub, 
    JS_PropertyStub, 
    JS_StrictPropertyStub, 
    JS_EnumerateStub, 
    JS_ResolveStub, 
    JS_ConvertStub 
}; 


int main(int argc, const char *argv[]) 
{ 
     JS_Init(); 

    JSRuntime *rt = JS_NewRuntime(8L * 1024 * 1024, JS_NO_HELPER_THREADS); 
    if (!rt) 
     return 1; 

    JSContext *cx = JS_NewContext(rt, 8192); 
    if (!cx) 
     return 1; 

    JS::RootedObject global(cx, JS_NewGlobalObject(cx, &global_class, nullptr, JS::DontFireOnNewGlobalHook)); 
    if (!global) 
     return 1; 

    JS::Value rval; 
    bool ok; 
    { 
     JSAutoCompartment ac(cx, *global); 
     JS_InitStandardClasses(cx, *global); 

     const char *script = "'hello'+'world, it is '+new Date()"; 
     const char *filename = "noname"; 
     int lineno = 0; 
     ok = JS_EvaluateScript(cx, *global, script, strlen(script), filename, lineno, &rval); 
     if (rval.isNull() | rval.isFalse()) 
     return 1; 
    } 

    JSString *str = rval.toString(); 
    printf("%s\n", JS_EncodeString(cx, str)); 

    JS_DestroyContext(cx); 
    JS_DestroyRuntime(rt); 
    JS_ShutDown(); 
    return 0; 
} 

不过,我收到以下错误(当我使用g ++编译的终端):

js/src/helloworld.cpp:21:53: error: use of undeclared identifier 'JS_NO_HELPER_THREADS' 
js/src/helloworld.cpp:36:25: error: no matching constructor for initialization of 'JSAutoCompartment' 
js/src/helloworld.cpp:37:7: error: no matching function for call to 'JS_InitStandardClasses' 
js/src/helloworld.cpp:42:12: error: no matching function for call to 'JS_EvaluateScript' 

谁能告诉我什么,我做错了什么?

回答

0

在编译时可能没有提供包含路径和库路径。

你应该这样编译:

须藤G ++ -std = C++ 11 -I /家庭/ PI/mozjs-24.2.0/JS/src目录/ build_OPT.OBJ /距离/包括-L /家/ PI/mozjs-24.2.0/JS/SRC/build_OPT.OBJ/DIST/LIB/HelloWorld.cpp -o的Helloworld -lmozjs-24 -lz -lpthread -ldl

其中HelloWorld是你的文件的名字。