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| <trungl-bot> | Tree closed by [email protected]: Tree is closed (Automatic: "Check" on http://build.chromium.org/p/client.v8/builders/V8%20Linux%20-%20nosnap%20-%20debug/builds/10227 "V8 Linux - nosnap - debug" from cbadac55287c3770bb74a2e9ff2052fa5d96874e: [email protected]) |
| 07:28:14
| <trungl-bot> | Tree opened by [email protected]: open |
| 07:45:01
| <koldbrutality> | :'( segfaulted again |
| 07:45:45
| <koldbrutality> | i'm going to have to do my 12th git bisect |
| 08:21:27
| <obiwahn> | meh;( |
| 08:22:00
| <obiwahn> | Is SetIntegrityLevel the way to make objects immutable from c++? |
| 09:05:20
| <xaxxon> | koldbrutality, are you finding bugs in the current code when you do this bisecting? or... ? |
| 09:06:47
| <xaxxon> | obiwahn, I don't know, sorry |
| 09:14:52
| <obiwahn> | no problem:) |
| 09:57:20
| <trungl-bot> | Tree closed by [email protected]: Tree is closed (Automatic: "Mjsunit" on http://build.chromium.org/p/client.v8/builders/V8%20Mac%20GC%20Stress/builds/9516 "V8 Mac GC Stress" from 43995e2fa876c9501f7eb9440d33999708f1428b: [email protected]) |
| 09:59:20
| <trungl-bot> | Tree opened by [email protected]: open - turbo flake |
| 10:05:14
| <obiwahn> | Is there a way to get the template form a function (e.g constructor). I want to know if some parameter has a certain native/c++ type that I have wrapped as well. My idea is to call HasInstance(param) on the template. |
| 10:20:30
| <xaxxon> | obiwahn, "the template form a function"? |
| 10:23:47
| <obiwahn> | constructor().Reset(tpl->GetFunction()); |
| 10:25:01
| <obiwahn> | I would like to get the template of a function, that is the constructor of an object. |
| 10:26:38
| <obiwahn> | What I really want is a sane way to know is some object in args[] is of a certain type. |
| 10:26:39
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| 10:29:46
| <xaxxon> | obiwahn, maybe you want this: http://v8.paulfryzel.com/docs/master/classv8_1_1_object.html#abd62f72947a0ddad5ada4fbfbb0194ef |
| 10:31:10
| <xaxxon> | obiwahn, is that what you were thinking of? |
| 10:31:53
| <obiwahn> | almost:) |
| 10:32:05
| <obiwahn> | if i had the template |
| 10:32:23
| <obiwahn> | i have some local value |
| 10:33:38
| <xaxxon> | I store the templates |
| 10:34:04
| <obiwahn> | I can convert it into an object. In case it is convertible. But then what do i need to do to get my hands on the template. I looks like I need that template in order call this function. |
| 10:34:47
| <obiwahn> | do you have some example code? |
| 10:34:50
| <xaxxon> | template<class T>class TemplateStorage{FunctionTemplate tmpl;}; |
| 10:34:53
| <xaxxon> | hrmm |
| 10:35:12
| <xaxxon> | it's gong to be big and ugly |
| 10:35:59
| <obiwahn> | http://melpon.org/wandbox/ |
| 10:36:50
| <xaxxon> | what is that? |
| 10:37:11
| <obiwahn> | some wonderful page like ideone |
| 10:37:18
| <xaxxon> | what is the code ON the page? |
| 10:37:24
| <xaxxon> | I know what wandbox is :-\ |
| 10:37:43
| <obiwahn> | is there code on the page? |
| 10:37:54
| <obiwahn> | then it is probably form you last visit |
| 10:37:55
| <xaxxon> | oh haha |
| 10:38:11
| <obiwahn> | from :) |
| 10:38:17
| <xaxxon> | I thought you were sending me code to look at |
| 10:38:34
| <xaxxon> | yeah... my code would confuse more than help |
| 10:39:01
| <obiwahn> | "Form" is Ferman word and I can not stop typing it when i want to write from:P |
| 10:39:04
| <xaxxon> | but anyhow, just store your functiontemplates when you make them |
| 10:39:11
| <obiwahn> | German |
| 10:39:15
| <xaxxon> | ferman |
| 10:41:03
| <xaxxon> | or.. I suppose you could store it in an object you put in an internal field in your object |
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| 10:45:24
| <obiwahn> | v8::Persistent<v8::FunctionTemplate> _tpl /// in Init: _tpl.reset(tpl) -- does this look about right? |
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| <xaxxon> | throw in an isolate.. |
| 10:47:46
| <xaxxon> | also, I use Global. I'm not sure what Persistent is |
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| 10:48:03
| <xaxxon> | I mean, I know it's similar |
| 10:52:51
| <obiwahn> | The first few days with v8 are really tough so far:) I play a bit and stop bothering you for a while. |
| 10:52:54
| <obiwahn> | thank you! |
| 10:53:50
| <xaxxon> | ok. |
| 10:54:06
| <xaxxon> | v8 is very hard to learn. feel free to ask as much as you want.. if I'm around I'll answer |
| 10:55:31
| <xaxxon> | anyhow, if you're familiar with unique_ptr, I'd suggest using Global instead of Persistent. Works exactly the same as a unique_ptr |
| 10:55:39
| <xaxxon> | and it doesnt have the weirdities of persistent |
| 10:55:46
| <xaxxon> | about the copyable attributes thing |
| 10:56:16
| <xaxxon> | obiwahn, what are you trying to do with v8? |
| 10:56:28
| <xaxxon> | as in, at a high level, what is your project? |
| 10:56:57
| <obiwahn> | I need to create a c++ and js driver for a database. |
| 10:57:37
| <obiwahn> | I have inherited a very broken driver and hope to be allowed to rewrite it. |
| 10:57:43
| <xaxxon> | wow |
| 10:57:46
| <xaxxon> | this sounds VERY similar |
| 10:58:00
| <obiwahn> | So for the moment my task is to warp the old driver for node |
| 10:58:05
| <xaxxon> | to a guy I helped here before who works for some open source database company that has a JS interface |
| 10:58:37
| <obiwahn> | his name was not john? |
| 10:59:23
| <obiwahn> | it is all a mess i have a connection that has state so i can not send multiple requests on over that connection |
| 10:59:48
| <obiwahn> | there is some loop you where you have to call run and wait for the result instead of callbacks:P |
| 11:00:53
| <obiwahn> | https://github.com/arangodb/fuerte |
| 11:03:04
| <xaxxon> | obiwahn, what company do you work for? |
| 11:03:56
| <xaxxon> | oh, arrangodb |
| 11:04:00
| <obiwahn> | ArangoDB :) |
| 11:04:24
| <obiwahn> | i think the cluster graph stuff is cool |
| 11:04:37
| <obiwahn> | so there is a reason to use it |
| 11:04:56
| <obiwahn> | but this driver seriously lacks |
| 11:05:28
| <obiwahn> | Some external developer created it. |
| 11:05:46
| <xaxxon> | I think the guy I helped before worked for the company EventStore |
| 11:05:48
| <xaxxon> | but I'm not 100% |
| 11:06:56
| <obiwahn> | Are you working on v8? |
| 11:07:42
| <xaxxon> | I use it, but I don't develop it |
| 11:08:43
| <obiwahn> | So what are you doing with v8? |
| 11:09:33
| <xaxxon> | using it as a scripting language inside another program |
| 11:12:01
| <obiwahn> | I'll have a look at Global:) |
| 11:17:10
| <obiwahn> | I would still need to create a local from a Global to use it right? Persistent and Global even share the same base. |
| 11:19:00
| <xaxxon> | yes. |
| 11:19:14
| <xaxxon> | locals go away when their handlescope goes away, persistent... persists |
| 11:22:38
| <xaxxon> | using global makes your classes uncopyable, but when I was learning I was told that having copable persistents was just asking for things to break |
| 11:31:55
| <xaxxon> | obiwahn, gotta sleep. good luck :) |
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| <jochen__> | it's not asking for things to break |
| 13:08:29
| <jochen__> | it's just that creating and destroying global handles isn't exactly the cheapest operation |
| 13:08:37
| <jochen__> | and it doesn't work with weak handles |
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| <obiwahn> | I have it as static member (ala meyers) in a static function. So I guess it will be ok. |
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| <trungl-bot> | Tree opened by [email protected]: Tree is open (Automatic: Hodně štěstí!) |
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| <xaxxon> | jochen__, I was setting some EnableCopyable attribute on Persistent or something that I swear someone said was dangerous |
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| <xaxxon> | how long is the Utf8Value::operator* return value good for? |
| 19:17:54
| <xaxxon> | oh, it's as long as the utf8value object is around.. and since I always use it as a rvalue temporary.... it means "not very long" |
| 19:18:55
| <xaxxon> | never even thought about making an lvalue of it |
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| 19:27:30
| <sparr> | caitp: bradleymeck's description was pretty close to my use case. my actual target was to get the value of a variable that existed in the scope where a function was defined, but not in the scope where I was calling the function. |
| 19:28:28
| <sparr> | I have foo(arg){fn.apply(this,arg)} and I can call foo, but I want to know the value of fn. |
| 19:30:41
| <sparr> | I got pretty close to it, but it ended up not working, probably due to security features of the environment the script was running in. |
| 19:31:11
| <sparr> | maybe v8 itself, maybe the vm node.js module |
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| <bradleymeck> | sparr: node's vm modue is completely not secure |
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