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annotate spidermonkey-playground.cpp @ 1:7444443d2646

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added simple script and wrapper.cpp from jetpack
author Atul Varma <varmaa@toolness.com>
date Thu, 18 Jun 2009 20:35:22 -0700
parents spidermonkey-playground.c@d14fb1d5326c
children 1f3e9c8df4f0
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1 #include "string.h"
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2 #include "jsapi.h"
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3
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4 #include "wrapper.h"
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5
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6 /* The class of the global object. */
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7 static JSClass global_class = {
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8 "global", JSCLASS_GLOBAL_FLAGS,
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9 JS_PropertyStub, JS_PropertyStub, JS_PropertyStub, JS_PropertyStub,
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10 JS_EnumerateStub, JS_ResolveStub, JS_ConvertStub, JS_FinalizeStub,
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11 JSCLASS_NO_OPTIONAL_MEMBERS
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12 };
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13
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14 /* The error reporter callback. */
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15 static void reportError(JSContext *cx, const char *message,
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16 JSErrorReport *report)
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17 {
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18 fprintf(stderr, "%s:%u:%s\n",
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19 report->filename ? report->filename : "<no filename>",
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20 (unsigned int) report->lineno,
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21 message);
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22 }
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23
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24 static JSBool print(JSContext *cx, JSObject *obj, uintN argc, jsval *argv,
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25 jsval *rval)
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26 {
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27 char *str;
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28
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29 if (!JS_ConvertArguments(cx, argc, argv, "s", &str))
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30 return JS_FALSE;
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31
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32 printf("%s\n", str);
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33
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34 return JS_TRUE;
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35 }
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37 static JSBool wrap(JSContext *cx, JSObject *obj, uintN argc, jsval *argv,
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38 jsval *rval)
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39 {
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40 JSObject *wrappee;
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41 JSObject *resolver;
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42
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43 if (!JS_ConvertArguments(cx, argc, argv, "oo", &wrappee, &resolver))
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44 return JS_FALSE;
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45
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46 JSObject *result;
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47
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48 result = wrapObject(cx, argv[0], argv[1]);
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49
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50 *rval = OBJECT_TO_JSVAL(result);
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51 return JS_TRUE;
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52 }
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53
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54 static JSFunctionSpec global_functions[] = {
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55 JS_FS("print", print, 1, 0, 0),
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56 JS_FS("wrap", wrap, 2, 0, 0),
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57 JS_FS_END
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58 };
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59
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60 int main(int argc, const char *argv[])
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61 {
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62 /* JS variables. */
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63 JSRuntime *rt;
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64 JSContext *cx;
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65 JSObject *global;
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66
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67 /* Create a JS runtime. */
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68 rt = JS_NewRuntime(8L * 1024L * 1024L);
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69 if (rt == NULL)
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70 return 1;
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71
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72 /* Create a context. */
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73 cx = JS_NewContext(rt, 8192);
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74 if (cx == NULL)
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75 return 1;
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76 JS_SetOptions(cx, JSOPTION_VAROBJFIX);
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77 JS_SetVersion(cx, JSVERSION_LATEST);
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78 JS_SetErrorReporter(cx, reportError);
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79
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80 /* Create the global object. */
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81 global = JS_NewObject(cx, &global_class, NULL, NULL);
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82 if (global == NULL)
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83 return 1;
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84
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85 /* Populate the global object with the standard globals,
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86 like Object and Array. */
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87 if (!JS_InitStandardClasses(cx, global))
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88 return 1;
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89
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90 if (!JS_DefineFunctions(cx, global, global_functions))
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91 return 1;
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92
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93 /* Your application code here. This may include JSAPI calls
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94 to create your own custom JS objects and run scripts. */
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95 char *source = "print('Hello World.'); wrap({}, {});";
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96 jsval rval;
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97 if (!JS_EvaluateScript(cx, global, source,
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98 strlen(source), "<string>", 1,
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99 &rval)) {
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100 printf("An error occurred.\n");
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101 return 1;
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102 }
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103
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104 /* Cleanup. */
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105 JS_DestroyContext(cx);
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106 JS_DestroyRuntime(rt);
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107 JS_ShutDown();
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108
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109 printf("Farewell.\n");
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110 return 0;
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111 }