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comparison SpiderMonkey_tests/helloworld.cpp @ 6:c82791ba5ce1

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added two-context test, from botton of pdf, plus pdf
author Sean Halle <seanhalle@yahoo.com>
date Sat, 01 Feb 2014 14:26:10 -0800
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2
3 /* Include the JSAPI header file to get access to SpiderMonkey. */
4 #include "jsapi.h"
5
6 /* The class of the global object. */
7 static JSClass global_class = {
8 "global", JSCLASS_GLOBAL_FLAGS,
9 JS_PropertyStub, JS_PropertyStub, JS_PropertyStub, JS_StrictPropertyStub,
10 JS_EnumerateStub, JS_ResolveStub, JS_ConvertStub, JS_FinalizeStub,
11 JSCLASS_NO_OPTIONAL_MEMBERS
12 };
13
14 /* The error reporter callback. */
15 void reportError(JSContext *cx, const char *message, JSErrorReport *report)
16 {
17 fprintf(stderr, "%s:%u:%s\n",
18 report->filename ? report->filename : "<no filename=\"filename\">",
19 (unsigned int) report->lineno,
20 message);
21 }
22
23 int main(int argc, const char *argv[])
24 {
25 /* JSAPI variables. */
26 JSRuntime *rt;
27 JSContext *cx;
28 JSObject *global;
29
30 /* Create a JS runtime. You always need at least one runtime per process. */
31 rt = JS_NewRuntime(8 * 1024 * 1024);
32 if (rt == NULL)
33 return 1;
34
35 /*
36 * Create a context. You always need a context per thread.
37 * Note that this program is not multi-threaded.
38 */
39 cx = JS_NewContext(rt, 8192);
40 if (cx == NULL)
41 return 1;
42 JS_SetOptions(cx, JSOPTION_VAROBJFIX | JSOPTION_JIT | JSOPTION_METHODJIT);
43 JS_SetVersion(cx, JSVERSION_LATEST);
44 JS_SetErrorReporter(cx, reportError);
45
46 /*
47 * Create the global object in a new compartment.
48 * You always need a global object per context.
49 */
50 global = JS_NewCompartmentAndGlobalObject(cx, &global_class, NULL);
51 if (global == NULL)
52 return 1;
53
54 /*
55 * Populate the global object with the standard JavaScript
56 * function and object classes, such as Object, Array, Date.
57 */
58 if (!JS_InitStandardClasses(cx, global))
59 return 1;
60
61 /* Your application code here. This may include JSAPI calls
62 * to create your own custom JavaScript objects and to run scripts.
63 *
64 * The following example code creates a literal JavaScript script,
65 * evaluates it, and prints the result to stdout.
66 *
67 * Errors are conventionally saved in a JSBool variable named ok.
68 */
69 const char *script = "'Hello ' + 'World!'";
70 jsval rval;
71 JSString *str;
72 JSBool ok;
73 const char *filename = "noname";
74 uintN lineno = 0;
75
76 ok = JS_EvaluateScript(cx, global, script, strlen(script),
77 filename, lineno, &rval);
78 if ( rval == JS_FALSE)//rval == JS_NULL |
79 return 1;
80
81 str = JS_ValueToString(cx, rval);
82 printf("%s\n", JS_EncodeString(cx, str));
83
84 /* End of your application code */
85
86 /* Clean things up and shut down SpiderMonkey. */
87 JS_DestroyContext(cx);
88 JS_DestroyRuntime(rt);
89 JS_ShutDown();
90 return 0;
91 }