文章目錄
-
-
- 25.1
- 25.2
- 25.3
- 25.4
- 25.5
- 25.6
- 25.7
- 25.8
-
25.1
#!/usr/bin/lua
function getvarvalue(...)
local co=...
if type(co)=="thread" then
local name,level,isenv=select(2,...)
local value
local found=false
level=level or 1
for i=1,math.huge do
local n,v=debug.getlocal(co,level,i)
if not n then
break
end
if n==name then
value=v
found=true
end
end
if found then
return "local",value
end
local func=debug.getinfo(co,level,"f").func
for i=1,math.huge do
local n,v=debug.getupvalue(func,i)
if not n then
break
end
if n==name then
return "upvalue",v
end
end
if isenv then
return "noenv"
end
local _,env=getvarvalue(co,"_ENV",level,true)
if env then
return "global",env[name]
else
return "noenv"
end
else
local name,level,isenv=...
local value
local found=false
level=(level or 1)+1
for i=1,math.huge do
local n,v=debug.getlocal(level,i)
if not n then
break
end
if n==name then
value=v
found=true
end
end
if found then
return "local",value
end
local func=debug.getinfo(level,"f").func
for i=1,math.huge do
local n,v=debug.getupvalue(func,i)
if not n then
break
end
if n==name then
return "upvalue",v
end
end
if isenv then
return "noenv"
end
local _,env=getvarvalue("_ENV",level,true)
if env then
return "global",env[name]
else
return "noenv"
end
end
end
25.2
#!/usr/bin/lua
function setvarvalue(name,value,level)
level=(level or 1)+1
for i=1,math.huge do
local n,v=debug.getlocal(level,i)
if not n then
break
end
if n==name then
debug.setlocal(level,i,value)
return "local"
end
end
local func=debug.getinfo(level,"f").func
for i=1,math.huge do
local n,v=debug.getupvalue(func,i)
if not n then
break
end
if n==name then
debug.setupvalue(func,i,value)
return "upvalue"
end
end
for i=1,math.huge do
local n,v=debug.getupvalue(func,i)
if not n then
break
end
if n=="_ENV" then
v[name]=value
return "global"
end
end
end
25.3
#!/usr/bin/lua
function getvarvalue()
local res={}
local level=2
local env
for i=1,math.huge do
local n,v=debug.getlocal(level,i)
if not n then
break
end
res[n]=v
end
local func=debug.getinfo(level,"f").func
for i=1,math.huge do
local n,v=debug.getupvalue(func,i)
if not n then
break
end
if n=="_ENV" then
env=v
end
res[n]=v
end
if env then
res.__index=env
setmetatable(res,res)
end
return res
end
25.4
#!/usr/bin/lua
function getvarvalue(_,name,level,isenv)
local value
local found=false
level=(level or 3)+1
for i=1,math.huge do
local n,v=debug.getlocal(level,i)
if not n then
break
end
if n==name then
value=v
found=true
end
end
if found then
return value
end
local func=debug.getinfo(level,"f").func
for i=1,math.huge do
local n,v=debug.getupvalue(func,i)
if not n then
break
end
if n==name then
return v
end
end
if isenv then
return "noenv"
end
local env=getvarvalue(nil,"_ENV",level,true)
if env then
return env[name]
else
return "noenv"
end
end
function setvarvalue(_,name,value,level)
level=(level or 3)+1
for i=1,math.huge do
local n,v=debug.getlocal(level,i)
if not n then
break
end
if n==name then
debug.setlocal(level,i,value)
return "local"
end
end
local func=debug.getinfo(level,"f").func
for i=1,math.huge do
local n,v=debug.getupvalue(func,i)
if not n then
break
end
if n==name then
debug.setupvalue(func,i,value)
return "upvalue"
end
end
for i=1,math.huge do
local n,v=debug.getupvalue(func,i)
if not n then
break
end
if n=="_ENV" then
v[name]=value
return "global"
end
end
end
function debug1()
while true do
io.write("debug> ")
local line=io.read()
if line=="cont" then
break
end
local env={print=print,__index=getvarvalue,__newindex=setvarvalue}
setmetatable(env,env)
load(line,"testcode","t",env)()
end
end
25.5
#!/usr/bin/lua
function getvarvalue(_,name,level,isenv)
local value
local found=false
level=(level or 3)+1
for i=1,math.huge do
local n,v=debug.getlocal(level,i)
if not n then
break
end
if n==name then
value=v
found=true
end
end
if found then
return value
end
local func=debug.getinfo(level,"f").func
for i=1,math.huge do
local n,v=debug.getupvalue(func,i)
if not n then
break
end
if n==name then
return v
end
end
if isenv then
return "noenv"
end
local env=getvarvalue(nil,"_ENV",level,true)
if env then
return env[name]
else
return "noenv"
end
end
function setvarvalue(_,name,value,level)
level=(level or 3)+1
for i=1,math.huge do
local n,v=debug.getlocal(level,i)
if not n then
break
end
if n==name then
debug.setlocal(level,i,value)
return "local"
end
end
local func=debug.getinfo(level,"f").func
for i=1,math.huge do
local n,v=debug.getupvalue(func,i)
if not n then
break
end
if n==name then
debug.setupvalue(func,i,value)
return "upvalue"
end
end
for i=1,math.huge do
local n,v=debug.getupvalue(func,i)
if not n then
break
end
if n=="_ENV" then
v[name]=value
return "global"
end
end
end
function debug1()
while true do
io.write("debug> ")
local line=io.read()
if line=="cont" then
break
end
local env={print=print,__index=getvarvalue,__newindex=setvarvalue}
setmetatable(env,env)
load(line,"testcode","t",env)()
end
end
25.6
待完善
25.7
local breakpoint={}
local function hook(event,line)
if breakpoint[line] then
debug.debug()
end
end
local function setbreakpoint(func,line)
breakpoint[line]=true
if not debug.gethook() then
debug.sethook(hook,"l")
end
return line
end
local function removebreakpoint(handle)
breakpoint[handle]=nil
end
return {
setbreakpoint=setbreakpoint,
removebreakpoint=removebreakpoint,
}
25.8
待完善
![Centos7安裝Lua和OpenRestyCentos7安裝Lua和OpenResty[圖]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)