cl: commentFunc add line

[visualfc]

coverprofile 格式 filename:line1.col1,line2.col2 numStmts cover 。如果 //line 带有 col 偏移，则计算函数开始结束的 { } col 位置，所以 shadow main 的 line 不加 :col ，在 vscode 插件中将 col 0 修正为 1 即可。

最后一行 main.gop:40.0 对应 shadow main func
mode: set
github.com/goplus/gop/cmd/demo/Rect.gox:6.27,8.2 1 0
github.com/goplus/gop/cmd/demo/demo.go:10.26,12.2 1 1
github.com/goplus/gop/cmd/demo/demo.go:14.15,18.2 3 0
github.com/goplus/gop/cmd/demo/main.gop:18.24,20.2 1 1
github.com/goplus/gop/cmd/demo/main.gop:22.15,26.2 3 0
github.com/goplus/gop/cmd/demo/main.gop:28.20,32.11 4 1
github.com/goplus/gop/cmd/demo/main.gop:32.11,34.3 1 0
github.com/goplus/gop/cmd/demo/main.gop:35.2,35.11 1 1
github.com/goplus/gop/cmd/demo/main.gop:40.0,45.2 4 0

support gop test -coverprofile mycover

func //line filename:line:col

//line main.gop:18:1
func (p *Point) Test() {
//line main.gop:19:1
	fmt.Println(p.x, p.y, p.Info, p.info, p.Info.info, p.i.info)
}

shadow func //line filename:line

//line main.gop:40
func main() {
//line main.gop:40:1
	fmt.Println("hello")
}

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (57106a4) 91.07% compared to head (63306e6) 91.14%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1510      +/-   ##
==========================================
+ Coverage   91.07%   91.14%   +0.06%     
==========================================
  Files          26       27       +1     
  Lines        9525     9549      +24     
==========================================
+ Hits         8675     8703      +28     
+ Misses        686      683       -3     
+ Partials      164      163       -1     

Files	Coverage Δ
cl/compile.go	98.82% <100.00%> (-0.01%)	⬇️
cl/stmt.go	96.15% <100.00%> (+0.77%)	⬆️

... and 1 file with indirect coverage changes

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.