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Reformat output of 'help' command

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This commit is contained in:
Derek Parker
2015-07-29 17:49:23 -05:00
parent 6680648ef8
commit e5b20612e5
1 changed files with 11 additions and 4 deletions
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15
terminal/command.go
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@ -11,6 +11,7 @@ import (
"sort"
"strconv"
"strings"
"text/tabwriter"
"github.com/derekparker/delve/service"
"github.com/derekparker/delve/service/api"
@ -46,8 +47,8 @@ func DebugCommands(client service.Client) *Commands {
c.cmds = []command{
{aliases: []string{"help"}, cmdFn: c.help, helpMsg: "Prints the help message."},
{aliases: []string{"break", "b"}, cmdFn: breakpoint, helpMsg: "break <address> [-stack <n>|-goroutine|<variable name>]*\nSet break point at the entry point of a function, or at a specific file/line.\nWhen the breakpoint is reached the value of the specified variables will be printed, if -stack is specified the stack trace of the current goroutine will be printed, if -goroutine is specified informations about the current goroutine will be printed. Example: break foo.go:13"},
{aliases: []string{"trace", "t"}, cmdFn: tracepoint, helpMsg: "Set tracepoint, takes the same arguments as break"},
{aliases: []string{"break", "b"}, cmdFn: breakpoint, helpMsg: "break <file:line|function|address> [-stack <n>|-goroutine|<variable name>]*"},
{aliases: []string{"trace", "t"}, cmdFn: tracepoint, helpMsg: "Set tracepoint, takes the same arguments as break."},
{aliases: []string{"restart", "r"}, cmdFn: restart, helpMsg: "Restart process."},
{aliases: []string{"continue", "c"}, cmdFn: cont, helpMsg: "Run until breakpoint or program termination."},
{aliases: []string{"step", "si"}, cmdFn: step, helpMsg: "Single step through program."},
@ -118,10 +119,16 @@ func nullCommand(client service.Client, args ...string) error {
func (c *Commands) help(client service.Client, args ...string) error {
fmt.Println("The following commands are available:")
w := new(tabwriter.Writer)
w.Init(os.Stdout, 0, 8, 0, '-', 0)
for _, cmd := range c.cmds {
fmt.Printf("\t%s - %s\n", strings.Join(cmd.aliases, "|"), cmd.helpMsg)
if len(cmd.aliases) > 1 {
fmt.Fprintf(w, " %s (alias: %s) \t %s\n", cmd.aliases[0], strings.Join(cmd.aliases[1:], " | "), cmd.helpMsg)
} else {
fmt.Fprintf(w, " %s \t %s\n", cmd.aliases[0], cmd.helpMsg)
}
}
return nil
return w.Flush()
}
func threads(client service.Client, args ...string) error {