The Tor Browser: gfx/skia/trunk/src/xml/SkJS.cpp@6474c204b198 (annotated)

gfx/skia/trunk/src/xml/SkJS.cpp@6474c204b198 (annotated)

gfx/skia/trunk/src/xml/SkJS.cpp

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #include <jsapi.h>
 #include "SkJS.h"
 #include "SkString.h"
 #ifdef _WIN32_WCE
 extern "C" {
     void abort() {
         SkASSERT(0);
     }
     unsigned int _control87(unsigned int _new, unsigned int mask ) {
         SkASSERT(0);
         return 0;
     }
     time_t mktime(struct tm *timeptr ) {
         SkASSERT(0);
         return 0;
     }
 //  int errno;
     char *strdup(const char *) {
         SkASSERT(0);
         return 0;
     }
     char *strerror(int errnum) {
         SkASSERT(0);
         return 0;
     }
     int isatty(void* fd) {
         SkASSERT(0);
         return 0;
     }
     int putenv(const char *envstring) {
         SkASSERT(0);
         return 0;
     }
     char *getenv(const char *varname) {
         SkASSERT(0);
         return 0;
     }
     void GetSystemTimeAsFileTime(LPFILETIME lpSystemTimeAsFileTime) {
         SkASSERT(0);
     }
     struct tm * localtime(const time_t *timer) {
         SkASSERT(0);
         return 0;
     }
     size_t strftime(char *strDest, size_t maxsize, const char *format,
         const struct tm *timeptr ) {
         SkASSERT(0);
         return 0;
     }
 }
 #endif
 static JSBool
 global_enumerate(JSContext *cx, JSObject *obj)
 {
 #ifdef LAZY_STANDARD_CLASSES
     return JS_EnumerateStandardClasses(cx, obj);
 #else
     return JS_TRUE;
 #endif
 }
 static JSBool
 global_resolve(JSContext *cx, JSObject *obj, jsval id, uintN flags, JSObject **objp)
 {
 #ifdef LAZY_STANDARD_CLASSES
     if ((flags & JSRESOLVE_ASSIGNING) == 0) {
         JSBool resolved;
         if (!JS_ResolveStandardClass(cx, obj, id, &resolved))
             return JS_FALSE;
         if (resolved) {
             *objp = obj;
             return JS_TRUE;
         }
     }
 #endif
 #if defined(SHELL_HACK) && defined(DEBUG) && defined(XP_UNIX)
     if ((flags & (JSRESOLVE_QUALIFIED | JSRESOLVE_ASSIGNING)) == 0) {
         /*
          * Do this expensive hack only for unoptimized Unix builds, which are
          * not used for benchmarking.
          */
         char *path, *comp, *full;
         const char *name;
         JSBool ok, found;
         JSFunction *fun;
         if (!JSVAL_IS_STRING(id))
             return JS_TRUE;
         path = getenv("PATH");
         if (!path)
             return JS_TRUE;
         path = JS_strdup(cx, path);
         if (!path)
             return JS_FALSE;
         name = JS_GetStringBytes(JSVAL_TO_STRING(id));
         ok = JS_TRUE;
         for (comp = strtok(path, ":"); comp; comp = strtok(NULL, ":")) {
             if (*comp != '\0') {
                 full = JS_smprintf("%s/%s", comp, name);
                 if (!full) {
                     JS_ReportOutOfMemory(cx);
                     ok = JS_FALSE;
                     break;
                 }
             } else {
                 full = (char *)name;
             }
             found = (access(full, X_OK) == 0);
             if (*comp != '\0')
                 free(full);
             if (found) {
                 fun = JS_DefineFunction(cx, obj, name, Exec, 0, JSPROP_ENUMERATE);
                 ok = (fun != NULL);
                 if (ok)
                     *objp = obj;
                 break;
             }
         }
         JS_free(cx, path);
         return ok;
     }
 #else
     return JS_TRUE;
 #endif
 }
 JSClass global_class = {
     "global", JSCLASS_NEW_RESOLVE,
     JS_PropertyStub,  JS_PropertyStub,
     JS_PropertyStub,  JS_PropertyStub,
     global_enumerate, (JSResolveOp) global_resolve,
     JS_ConvertStub,   JS_FinalizeStub
 };
 SkJS::SkJS(void* hwnd) : SkOSWindow(hwnd) {
     if ((fRuntime = JS_NewRuntime(0x100000)) == NULL) {
         SkASSERT(0);
         return;
     }
     if ((fContext = JS_NewContext(fRuntime, 0x1000)) == NULL) {
         SkASSERT(0);
         return;
     }
     ;
     if ((fGlobal = JS_NewObject(fContext, &global_class, NULL, NULL)) == NULL) {
         SkASSERT(0);
         return;
     }
     if (JS_InitStandardClasses(fContext, fGlobal) == NULL) {
         SkASSERT(0);
         return;
     }
     setConfig(SkBitmap::kARGB32_Config);
     updateSize();
     setVisibleP(true);
     InitializeDisplayables(getBitmap(), fContext, fGlobal, NULL);
 }
 SkJS::~SkJS() {
     DisposeDisplayables();
     JS_DestroyContext(fContext);
     JS_DestroyRuntime(fRuntime);
     JS_ShutDown();
 }
 SkBool SkJS::EvaluateScript(const char* script, jsval* rVal) {
     return JS_EvaluateScript(fContext, fGlobal, script, strlen(script),
         "memory" /* no file name */, 0 /* no line number */, rVal);
 }
 SkBool SkJS::ValueToString(jsval value, SkString* string) {
      JSString* str = JS_ValueToString(fContext, value);
      if (str == NULL)
          return false;
      string->set(JS_GetStringBytes(str));
      return true;
 }
 #ifdef SK_DEBUG
 void SkJS::Test(void* hwnd) {
     SkJS js(hwnd);
     jsval val;
     SkBool success = js.EvaluateScript("22/7", &val);
     SkASSERT(success);
     SkString string;
     success = js.ValueToString(val, &string);
     SkASSERT(success);
     SkASSERT(strcmp(string.c_str(), "3.142857142857143") == 0);
     success = js.EvaluateScript(
         "var rect = new rectangle();"
         "rect.left = 4;"
         "rect.top = 10;"
         "rect.right = 20;"
         "rect.bottom = 30;"
         "rect.width = rect.height + 20;"
         "rect.draw();"
         , &val);
     SkASSERT(success);
     success = js.ValueToString(val, &string);
     SkASSERT(success);
 }
 #endifASSERT(success);

The Tor Browser / annotate

gfx/skia/trunk/src/xml/SkJS.cpp@6474c204b198 (annotated)

gfx/skia/trunk/src/xml/SkJS.cpp