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sciter-sdk / go-sciter

Golang bindings of Sciter: the Embeddable HTML/CSS/script engine for modern UI development
https://sciter.com
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runtime error: cgo argument has Go pointer to Go pointer #215

Open ZeronoFreya opened 4 years ago

ZeronoFreya commented 4 years ago 
params := args[0].Get("params")
paramsMap := make(map[string]string)
if params.IsObject() {
    params.EnumerateKeyValue(func(key, val *sciter.Value) bool {
        log.Println(key.String(), val.String())

        paramsMap[key.String()] = val.String()   // runtime error
        return true
    })
}
goroutine 1 [running]:
github.com/sciter-sdk/go-sciter.(*Value).EnumerateKeyValue.func1(0xc000060680, 0x646a80, 0xc00008a050, 0x70a101)
        C:/Users/dell/go/src/github.com/sciter-sdk/go-sciter/sciter.go:2235 +0x4f
github.com/sciter-sdk/go-sciter.(*Value).EnumerateKeyValue(0xc000060680, 0xc000048c60, 0x6, 0xc000060680)
        C:/Users/dell/go/src/github.com/sciter-sdk/go-sciter/sciter.go:2235 +0x71
main.setEventHandler.func1(0xc00008a020, 0x1, 0x1, 0x1)
        G:/Project/Moe/demo/moe.go:109 +0x59c
github.com/sciter-sdk/go-sciter.(*eventMapper).toEventHandler.func7(0xc0000d0500, 0x10ef010, 0x2030000)
        C:/Users/dell/go/src/github.com/sciter-sdk/go-sciter/wrapper.go:123 +0xc0
github.com/sciter-sdk/go-sciter.goElementEventProc(0x0, 0x0, 0x400, 0x10ef010, 0x28)
        C:/Users/dell/go/src/github.com/sciter-sdk/go-sciter/sciter.go:1462 +0x4c1
github.com/sciter-sdk/go-sciter._cgoexpwrap_b3b3630205f5_goElementEventProc(0x0, 0x0, 0x400, 0x10ef010, 0x0)
        _cgo_gotypes.go:2000 +0x50
syscall.Syscall(0x7fff260816b0, 0x1, 0xc000089eb8, 0x0, 0x0, 0x0, 0x0, 0x0)
        D:/Program Files/Go/src/runtime/syscall_windows.go:188 +0xfa
github.com/lxn/win.DispatchMessage(0xc000089eb8, 0x0)
        C:/Users/dell/go/src/github.com/lxn/win/user32.go:2294 +0x67
github.com/sciter-sdk/go-sciter/window.(*Window).Run(0xc000048b30)
        C:/Users/dell/go/src/github.com/sciter-sdk/go-sciter/window/window_windows.go:61 +0x54
main.main()
        G:/Project/Moe/demo/moe.go:184 +0x1c1

What should I do? Thanks!

pravic commented 4 years ago

Could you provide the full error message?

ZeronoFreya commented 4 years ago

Could you provide the full error message?

@pravic Only these:

panic: runtime error: cgo argument has Go pointer to Go pointer

moe.go

package main

import (
    "log"

    "github.com/sciter-sdk/go-sciter"
    "github.com/sciter-sdk/go-sciter/window"
)

func setEventHandler(w *window.Window) {

    w.DefineFunction("moeRequest", func(args ...*sciter.Value) *sciter.Value {
        params := args[0].Get("params")
        paramsMap := make(map[string]string)
        if params.IsObject() {
            params.EnumerateKeyValue(func(key, val *sciter.Value) bool {
                log.Println(key.String(), val.String())

                paramsMap[key.String()] = val.String()
                return true
            })
        }
        return sciter.NewValue("233")
    })
}
func main() {
    w, err := window.New(sciter.SW_TITLEBAR|
        sciter.SW_RESIZEABLE|
        sciter.SW_CONTROLS|
        sciter.SW_MAIN|
        sciter.SW_ENABLE_DEBUG,
        &sciter.Rect{Left: 0, Top: 0, Right: 500, Bottom: 500})
    if err != nil {
        log.Fatal(err)
    }
    ok := w.SetOption(sciter.SCITER_SET_SCRIPT_RUNTIME_FEATURES, sciter.ALLOW_FILE_IO|
        sciter.ALLOW_SOCKET_IO|
        sciter.ALLOW_EVAL|
        sciter.ALLOW_SYSINFO)
    if !ok {
        log.Println("enable full fetures failed")
    }
    fp, err := filepath.Abs("scapp.html")
    if err != nil {
        log.Fatal(err)
    }
    w.LoadFile(fp)
    w.SetTitle("表单")
    setEventHandler(w)
    w.Show()
    w.Run()
}

html

<html>

<head>
    <title></title>
</head>

<body>
<button id="btn">click</button>
</body>
<script type="text/tiscript">
async function getData(){
  const str = await view.moeRequest{
    params:{
      page: 233
    }
  }
  view.msgbox( #information, str);
}
$(#btn).on("click",function(){
    getData()
})
</script>

</html>
pravic commented 4 years ago

Thanks, will check it

ZeronoFreya commented 4 years ago

How did it go？ Thanks！

pravic commented 4 years ago

@ZeronoFreya Didn't have a chance to check this up yet, unfortunately.