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Added info locals and info args commands

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This commit is contained in:
epipho
2014-12-30 12:57:31 -05:00
parent cc8563a2a2
commit 07940dc59e
5 changed files with 280 additions and 41 deletions
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31
command/command.go
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@ -54,7 +54,7 @@ func DebugCommands() *Commands {
command{aliases: []string{"clear"}, cmdFn: clear, helpMsg: "Deletes breakpoint."},
command{aliases: []string{"goroutines"}, cmdFn: goroutines, helpMsg: "Print out info for every goroutine."},
command{aliases: []string{"print", "p"}, cmdFn: printVar, helpMsg: "Evaluate a variable."},
command{aliases: []string{"info"}, cmdFn: info, helpMsg: "Provides list of source files with symbols."},
command{aliases: []string{"info"}, cmdFn: info, helpMsg: "Provides info about source, locals, args, or funcs."},
command{aliases: []string{"exit"}, cmdFn: nullCommand, helpMsg: "Exit the debugger."},
}
@ -261,6 +261,19 @@ func printVar(p *proctl.DebuggedProcess, args ...string) error {
return nil
}
func filterVariables(vars []*proctl.Variable, filter *regexp.Regexp) []string {
data := make([]string, 0, len(vars))
for _, v := range vars {
if v == nil {
continue
}
if filter == nil || filter.Match([]byte(v.Name)) {
data = append(data, fmt.Sprintf("%s = %s", v.Name, v.Value))
}
}
return data
}
func info(p *proctl.DebuggedProcess, args ...string) error {
if len(args) == 0 {
return fmt.Errorf("not enough arguments. expected info type [regex].")
@ -294,8 +307,22 @@ func info(p *proctl.DebuggedProcess, args ...string) error {
}
}
case "args":
vars, err := p.CurrentThread.FunctionArguments()
if err != nil {
return nil
}
data = filterVariables(vars, filter)
case "locals":
vars, err := p.CurrentThread.LocalVariables()
if err != nil {
return nil
}
data = filterVariables(vars, filter)
default:
return fmt.Errorf("unsupported info type, must be sources or functions")
return fmt.Errorf("unsupported info type, must be sources, funcs, locals, or args")
}
// sort and output data