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体验新版 GitCode,发现更多精彩内容 >>
提交
6c7363b0
编写于
4月 25, 2015
作者:
M
Matt Butcher
提交者:
Derek Parker
4月 25, 2015
浏览文件
操作
浏览文件
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电子邮件补丁
差异文件
Improved help text for dlv.
上级
173ee200
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
23 addition
and
5 deletion
+23
-5
cmd/dlv/main.go
cmd/dlv/main.go
+23
-5
未找到文件。
cmd/dlv/main.go
浏览文件 @
6c7363b0
...
@@ -11,10 +11,10 @@ import (
...
@@ -11,10 +11,10 @@ import (
const
version
string
=
"0.5.0.beta"
const
version
string
=
"0.5.0.beta"
var
usage
string
=
fmt
.
Sprintf
(
`Delve version %s
var
usage
string
=
`Delve version %s
flags:
flags:
-v Print version
%s
Invoke with the path to a binary:
Invoke with the path to a binary:
...
@@ -24,9 +24,11 @@ or use the following commands:
...
@@ -24,9 +24,11 @@ or use the following commands:
run - Build, run, and attach to program
run - Build, run, and attach to program
test - Build test binary, run and attach to it
test - Build test binary, run and attach to it
attach - Attach to running process
attach - Attach to running process
`
,
version
)
`
func
init
()
{
func
init
()
{
flag
.
Usage
=
help
// We must ensure here that we are running on the same thread during
// We must ensure here that we are running on the same thread during
// the execution of dbg. This is due to the fact that ptrace(2) expects
// the execution of dbg. This is due to the fact that ptrace(2) expects
// all commands after PTRACE_ATTACH to come from the same thread.
// all commands after PTRACE_ATTACH to come from the same thread.
...
@@ -34,13 +36,14 @@ func init() {
...
@@ -34,13 +36,14 @@ func init() {
}
}
func
main
()
{
func
main
()
{
var
printv
bool
var
printv
,
printhelp
bool
flag
.
BoolVar
(
&
printv
,
"v"
,
false
,
"Print version number and exit."
)
flag
.
BoolVar
(
&
printv
,
"v"
,
false
,
"Print version number and exit."
)
flag
.
BoolVar
(
&
printhelp
,
"h"
,
false
,
"Print help text and exit."
)
flag
.
Parse
()
flag
.
Parse
()
if
flag
.
NFlag
()
==
0
&&
len
(
flag
.
Args
())
==
0
{
if
flag
.
NFlag
()
==
0
&&
len
(
flag
.
Args
())
==
0
{
fmt
.
Println
(
usage
)
help
(
)
os
.
Exit
(
0
)
os
.
Exit
(
0
)
}
}
...
@@ -49,5 +52,20 @@ func main() {
...
@@ -49,5 +52,20 @@ func main() {
os
.
Exit
(
0
)
os
.
Exit
(
0
)
}
}
if
printhelp
{
help
()
os
.
Exit
(
0
)
}
cli
.
Run
(
os
.
Args
[
1
:
])
cli
.
Run
(
os
.
Args
[
1
:
])
}
}
// help prints help text to os.Stderr.
func
help
()
{
flags
:=
""
flag
.
VisitAll
(
func
(
f
*
flag
.
Flag
)
{
doc
:=
fmt
.
Sprintf
(
" -%s=%s: %s
\n
"
,
f
.
Name
,
f
.
DefValue
,
f
.
Usage
)
flags
+=
doc
})
fmt
.
Fprintf
(
os
.
Stderr
,
usage
,
version
,
flags
)
}
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