【Go学习】go-callvis安装和使用

• go-callvis介绍
• go-callvis安装
• go-callvis使用
• • Options

go-callvis是一种golang代码可视化工具, go-callvis
官网有很详细的解答

运行依赖：

• Go 1.13+
• Graphviz (optional, required only with -graphviz flag)

go get -u github.com/ofabry/go-callvis
# or
git clone https://github.com/ofabry/go-callvis.git
cd go-callvis && make install

maka无法使用
如果windows中没有gcc, 可能还需要安装MinGW-w64

example

默认打开: http://localhost:7878/

go-callvis 

go-callvis -focus github.com/syncthing/syncthing/cmd/syncthing -minlen 3 -group pkg,type -limit github.com/syncthing/syncthing -ignore github.com/syncthing/syncthing/lib/logger

github.com/syncthing/syncthing: 是包名

1. -limit 限制在指定的包中
2. -ignore 忽略包
3. -minlen 3 展开的深度

官方说明

Usage of go-callvis:
  -debug
    	Enable verbose log.
  -file string
    	output filename - omit to use server mode
  -cacheDir string
    	Enable caching to avoid unnecessary re-rendering.
  -focus string
    	Focus specific package using name or import path. (default "main")
  -format string
    	output file format [svg | png | jpg | ...] (default "svg")
  -graphviz
    	Use Graphviz's dot program to render images.
  -group string
    	Grouping functions by packages and/or types [pkg, type] (separated by comma) (default "pkg")
  -http string
    	HTTP service address. (default ":7878")
  -ignore string
    	Ignore package paths containing given prefixes (separated by comma)
  -include string
    	Include package paths with given prefixes (separated by comma)
  -limit string
    	Limit package paths to given prefixes (separated by comma)
  -minlen uint
    	Minimum edge length (for wider output). (default 2)
  -nodesep float
    	Minimum space between two adjacent nodes in the same rank (for taller output). (default 0.35)
  -nointer
    	Omit calls to unexported functions.
  -nostd
    	Omit calls to/from packages in standard library.
  -skipbrowser
    	Skip opening browser.
  -tags build tags
    	a list of build tags to consider satisfied during the build. For more information about build tags, see the description of build constraints in the documentation for the go/build package
  -tests
    	Include test code.
  -version
    	Show version and exit.

Run go-callvis -h to list all supported options.