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authorTom Sepez <tsepez@chromium.org>2018-07-16 22:17:46 +0000
committerChromium commit bot <commit-bot@chromium.org>2018-07-16 22:17:46 +0000
commit82999fa9d685638561efc6df2c8370c7e7f47676 (patch)
treedecf3cacc87bb0a0c7481d10ce7a2b1c11729a56 /fxjs/js_define.h
parentf9d49da715deeb0efa6eaaf8ac43727ae28f8749 (diff)
downloadpdfium-82999fa9d685638561efc6df2c8370c7e7f47676.tar.xz
Make JSGetObject<C>() return UnownedPtr<C>.
This a convenient place to assert that the callback that is about to be invoked on the object doesn't destroy the object at any point during its execution. Change-Id: Iacb9d4e01603cc6bf316b00fdd062955c903ca5c Reviewed-on: https://pdfium-review.googlesource.com/37970 Commit-Queue: Tom Sepez <tsepez@chromium.org> Reviewed-by: Lei Zhang <thestig@chromium.org>
Diffstat (limited to 'fxjs/js_define.h')
-rw-r--r--fxjs/js_define.h17
1 files changed, 9 insertions, 8 deletions
diff --git a/fxjs/js_define.h b/fxjs/js_define.h
index 629cf1a02b..ae1557eb02 100644
--- a/fxjs/js_define.h
+++ b/fxjs/js_define.h
@@ -10,6 +10,7 @@
#include <utility>
#include <vector>
+#include "core/fxcrt/unowned_ptr.h"
#include "fxjs/cfxjs_engine.h"
#include "fxjs/cjs_object.h"
#include "fxjs/cjs_return.h"
@@ -58,7 +59,7 @@ static void JSConstructor(CFXJS_Engine* pEngine, v8::Local<v8::Object> obj) {
void JSDestructor(v8::Local<v8::Object> obj);
template <class C>
-C* JSGetObject(v8::Local<v8::Object> obj) {
+UnownedPtr<C> JSGetObject(v8::Local<v8::Object> obj) {
if (CFXJS_Engine::GetObjDefnID(obj) != C::GetObjDefnID())
return nullptr;
@@ -66,7 +67,7 @@ C* JSGetObject(v8::Local<v8::Object> obj) {
if (!pJSObj)
return nullptr;
- return static_cast<C*>(pJSObj);
+ return UnownedPtr<C>(static_cast<C*>(pJSObj));
}
template <class C, CJS_Return (C::*M)(CJS_Runtime*)>
@@ -74,7 +75,7 @@ void JSPropGetter(const char* prop_name_string,
const char* class_name_string,
v8::Local<v8::String> property,
const v8::PropertyCallbackInfo<v8::Value>& info) {
- C* pObj = JSGetObject<C>(info.Holder());
+ auto pObj = JSGetObject<C>(info.Holder());
if (!pObj)
return;
@@ -82,7 +83,7 @@ void JSPropGetter(const char* prop_name_string,
if (!pRuntime)
return;
- CJS_Return result = (pObj->*M)(pRuntime);
+ CJS_Return result = (pObj.Get()->*M)(pRuntime);
if (result.HasError()) {
pRuntime->Error(JSFormatErrorString(class_name_string, prop_name_string,
result.Error()));
@@ -99,7 +100,7 @@ void JSPropSetter(const char* prop_name_string,
v8::Local<v8::String> property,
v8::Local<v8::Value> value,
const v8::PropertyCallbackInfo<void>& info) {
- C* pObj = JSGetObject<C>(info.Holder());
+ auto pObj = JSGetObject<C>(info.Holder());
if (!pObj)
return;
@@ -107,7 +108,7 @@ void JSPropSetter(const char* prop_name_string,
if (!pRuntime)
return;
- CJS_Return result = (pObj->*M)(pRuntime, value);
+ CJS_Return result = (pObj.Get()->*M)(pRuntime, value);
if (result.HasError()) {
pRuntime->Error(JSFormatErrorString(class_name_string, prop_name_string,
result.Error()));
@@ -120,7 +121,7 @@ template <class C,
void JSMethod(const char* method_name_string,
const char* class_name_string,
const v8::FunctionCallbackInfo<v8::Value>& info) {
- C* pObj = JSGetObject<C>(info.Holder());
+ auto pObj = JSGetObject<C>(info.Holder());
if (!pObj)
return;
@@ -132,7 +133,7 @@ void JSMethod(const char* method_name_string,
for (unsigned int i = 0; i < (unsigned int)info.Length(); i++)
parameters.push_back(info[i]);
- CJS_Return result = (pObj->*M)(pRuntime, parameters);
+ CJS_Return result = (pObj.Get()->*M)(pRuntime, parameters);
if (result.HasError()) {
pRuntime->Error(JSFormatErrorString(class_name_string, method_name_string,
result.Error()));