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Implement stack command

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Finishes #63 #64
This commit is contained in:
aarzilli
2015-06-17 19:11:57 +02:00
committed by Derek Parker
parent cc5e5c780c
commit 07473f04c5
14 changed files with 371 additions and 40 deletions
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44
terminal/command.go
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@ -59,6 +59,7 @@ func DebugCommands(client service.Client) *Commands {
{aliases: []string{"print", "p"}, cmdFn: printVar, helpMsg: "Evaluate a variable."},
{aliases: []string{"info"}, cmdFn: info, helpMsg: "Subcommands: args, funcs, locals, sources, vars, or regs."},
{aliases: []string{"exit"}, cmdFn: nullCommand, helpMsg: "Exit the debugger."},
{aliases: []string{"stack"}, cmdFn: stackCommand, helpMsg: "stack [<depth> [<goroutine id>]]. Prints stack."},
}
return c
@ -189,7 +190,7 @@ func goroutines(client service.Client, args ...string) error {
if g.Function != nil {
fname = g.Function.Name
}
fmt.Printf("Goroutine %d - %s:%d %s\n", g.ID, g.File, g.Line, fname)
fmt.Printf("Goroutine %d - %s:%d %s (%#v)\n", g.ID, g.File, g.Line, fname, g.PC)
}
return nil
}
@ -399,7 +400,7 @@ func info(client service.Client, args ...string) error {
data = filterVariables(vars, filter)
default:
return fmt.Errorf("unsupported info type, must be args, funcs, locals, sources, or vars")
return fmt.Errorf("unsupported info type, must be args, funcs, locals, sources or vars")
}
// sort and output data
@ -411,6 +412,45 @@ func info(client service.Client, args ...string) error {
return nil
}
func stackCommand(client service.Client, args ...string) error {
var err error
goroutineid := -1
depth := 10
switch len(args) {
case 0:
// nothing to do
case 2:
goroutineid, err = strconv.Atoi(args[1])
if err != nil {
return fmt.Errorf("Wrong argument: expected integer")
}
fallthrough
case 1:
depth, err = strconv.Atoi(args[0])
if err != nil {
return fmt.Errorf("Wrong argument: expected integer")
}
default:
return fmt.Errorf("Wrong number of arguments to stack")
}
stack, err := client.Stacktrace(goroutineid, depth)
if err != nil {
return err
}
for i := range stack {
name := "(nil)"
if stack[i].Function != nil {
name = stack[i].Function.Name
}
fmt.Printf("%d. %s\n\t%s:%d (%#v)\n", i, name, stack[i].File, stack[i].Line, stack[i].PC)
}
return nil
}
func printcontext(state *api.DebuggerState) error {
if state.CurrentThread == nil {
fmt.Println("No current thread available")