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|
-------
-- global functions and tables
local tools = require 'ldoc.tools'
local globals = {}
local lua52 = _VERSION:match '5.2'
local lua53 = _VERSION:match '5.3'
local lua54 = _VERSION:match '5.4'
globals.functions = {
assert = true,
collectgarbage = true,
dofile = true,
error = true,
getmetatable = true,
setmetatable = true,
pairs = true,
ipairs = true,
load = true,
loadfile = true,
loadstring = true,
next = true,
pcall = true,
print = true,
rawequal = true,
rawget = true,
rawset = true,
select = true,
tonumber = true,
tostring = true,
type = true,
xpcall = true,
module = true,
require = true,
}
local functions = globals.functions
if lua54 then
functions.warn = true
functions.rawlen = true
elseif lua52 or lua53 then
functions.rawlen = true
else
functions.setfenv = true
functions.getfenv = true
functions.unpack = true
end
local manual, fun_ref
function globals.set_manual_url(url)
manual = url .. '#'
fun_ref = manual..'pdf-'
end
if lua54 then
globals.tables = {
io = '6.8',
package = '6.3',
math = '6.7',
os = '6.9',
string = '6.4',
table = '6.6',
coroutine = '6.2',
debug = '6.10'
}
globals.set_manual_url 'https://www.lua.org/manual/5.4/manual.html'
elseif lua53 then
globals.tables = {
io = '6.8',
package = '6.3',
math = '6.7',
os = '6.9',
string = '6.4',
table = '6.6',
coroutine = '6.2',
debug = '6.10'
}
globals.set_manual_url 'https://www.lua.org/manual/5.3/manual.html'
elseif lua52 then
globals.tables = {
io = '6.8',
package = '6.3',
math = '6.6',
os = '6.9',
string = '6.4',
table = '6.5',
coroutine = '6.2',
debug = '6.10'
}
globals.set_manual_url 'https://www.lua.org/manual/5.2/manual.html'
else
globals.tables = {
io = '5.7',
package = '5.3',
math = '5.6',
os = '5.8',
string = '5.4',
table = '5.5',
coroutine = '5.2',
debug = '5.9'
}
globals.set_manual_url 'https://www.lua.org/manual/5.1/manual.html'
end
local file_methods = {
close = true,
flush = true,
lines = true,
read = true,
seek = true,
setvbuf = true,
write = true,
}
-- external libs tracked by LDoc using LDoc style
local xlibs = {
lfs='lfs.html', lpeg='lpeg.html',
}
local xlib_url = 'http://stevedonovan.github.io/lua-stdlibs/'
local tables = globals.tables
local function function_ref (name,tbl)
local href
if not tbl then -- can only be a standard Lua global function
if globals.functions[name] then
return {href = fun_ref..name, label = name}
else
return nil
end
end
if tbl == 'file' then -- special case: file objects!
if not file_methods[name] then
return nil
end
name = 'file:'..name
href = fun_ref..name
elseif tables[tbl] then -- function inside standard Lua table
local t = rawget(_G,tbl) -- do a quick sanity check
if not rawget(t,name) then
return nil
end
name = tbl..'.'..name
href = fun_ref..name
elseif xlibs[tbl] then -- in external libs, use LDoc style
local t = require('ldoc.builtin.'..tbl)
if not rawget(t,name) then
return nil
end
href = xlib_url..xlibs[tbl]..'#'..name
name = tbl..'.'..name
else
return nil
end
return {href = href, label = name}
end
local function module_ref (tbl)
local href
if tables[tbl] ~= nil then -- standard Lua table
href = manual..tables[tbl]
elseif xlibs[tbl] then -- external lib
href = xlib_url..xlibs[tbl]
else
return nil
end
return {href = href, label = tbl}
end
function globals.lua_manual_ref (name)
local tbl,fname = tools.split_dotted_name(name)
local ref
if not tbl then -- plain symbol
ref = function_ref(name)
if ref then return ref end
ref = module_ref(name)
if ref then return ref end
else
ref = function_ref(fname,tbl)
if ref then return ref end
end
return nil
end
return globals
|
