martin
/
cycdung
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Initial commit.

master
Martin Felis 2021-03-06 19:08:48 +01:00
commit a865abc08b
4 changed files with 351 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
.gitignore vendored Normal file
View File

@ -0,0 +1,3 @@
.*.swp
*.png
*.dot

98
class.lua Normal file
View File

@ -0,0 +1,98 @@
--[[
Copyright (c) 2010-2013 Matthias Richter
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
Except as contained in this notice, the name(s) of the above copyright holders
shall not be used in advertising or otherwise to promote the sale, use or
other dealings in this Software without prior written authorization.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
]]--
local function include_helper(to, from, seen)
if from == nil then
return to
elseif type(from) ~= 'table' then
return from
elseif seen[from] then
return seen[from]
end
seen[from] = to
for k,v in pairs(from) do
k = include_helper({}, k, seen) -- keys might also be tables
if to[k] == nil then
to[k] = include_helper({}, v, seen)
end
end
return to
end
-- deeply copies `other' into `class'. keys in `other' that are already
-- defined in `class' are omitted
local function include(class, other)
return include_helper(class, other, {})
end
-- returns a deep copy of `other'
local function clone(other)
return setmetatable(include({}, other), getmetatable(other))
end
local function new(class)
-- mixins
class = class or {} -- class can be nil
local inc = class.__includes or {}
if getmetatable(inc) then inc = {inc} end
for _, other in ipairs(inc) do
if type(other) == "string" then
other = _G[other]
end
include(class, other)
end
-- class implementation
class.__index = class
class.init = class.init or class[1] or function() end
class.include = class.include or include
class.clone = class.clone or clone
-- constructor call
return setmetatable(class, {__call = function(c, ...)
local o = setmetatable({}, c)
o:init(...)
return o
end})
end
-- interface for cross class-system compatibility (see https://github.com/bartbes/Class-Commons).
if class_commons ~= false and not common then
common = {}
function common.class(name, prototype, parent)
return new{__includes = {prototype, parent}}
end
function common.instance(class, ...)
return class(...)
end
end
-- the module
return setmetatable({new = new, include = include, clone = clone},
{__call = function(_,...) return new(...) end})

128
generate.lua Normal file
View File

@ -0,0 +1,128 @@
#!/usr/bin/lua
--require 'strict'
local Class = require 'class'
Edge = Class {
init = function (self, s_node, e_node, label)
self.s = s_node
self.e = e_node
self.label = label
self.directed = false
end,
}
Node = Class {
init = function (self, label)
self.label = label
self.edges = {}
end,
}
Graph = Class {
init = function (self, name)
self.name = name
self.start_node = {}
self.end_node = {}
self.nodes = {}
self.edges = {}
end,
writeDotFile = function (self, filename)
print ("writing file: " .. filename .. ".png")
local outfile = io.open (filename .. ".dot", "w+")
outfile:write("digraph dungeon {\n")
for i,e in ipairs (self.edges) do
outfile:write (e.s.label .. " -> " .. e.e.label)
local options = {}
if e.directed == false then
table.insert (options, "dir=none")
end
if e.label ~= "" then
table.insert (options, "label=" .. e.label)
end
local have_options = #options > 0
if have_options then
outfile:write (" [")
end
for i,v in ipairs(options) do
if i > 1 then
outfile:write (", ")
end
outfile:write (v)
end
if have_options then
outfile:write(" ]")
end
outfile:write ("\n")
end
outfile:write("}\n")
outfile:close()
os.execute ("dot -Tpng " .. filename .. ".dot -o " .. filename .. ".png")
os.execute ("eog " .. filename .. ".png")
end,
insertSubGraph = function (self, edge_index, subgraph)
end
}
function create_simple()
local graph = Graph("simple")
local start_node = Node("SimpleStart")
local goal_node = Node("SimpleGoal")
local se_edge = Edge(start_node, goal_node, "se")
se_edge.directed = true
local es_edge = Edge(goal_node, start_node, "es")
graph.start_node = start_node
graph.goal_node = goal_node
table.insert (graph.nodes, start_node)
table.insert (graph.nodes, goal_node)
table.insert (graph.edges, se_edge)
table.insert (graph.edges, es_edge)
return graph
end
function create_lock()
local graph = Graph("lock")
local start_node = Node("LockStart")
local goal_node = Node("LockGoal")
local lock_node = Node("Lock")
local sl_edge = Edge(start_node, lock_node, "sl")
local ls_edge = Edge(lock_node, start_node, "ls_key")
ls_edge.directed = true
local lg_edge = Edge(lock_node, goal_node, "lg")
graph.start_node = start_node
graph.goal_node = goal_node
table.insert (graph.nodes, start_node)
table.insert (graph.nodes, lock_node)
table.insert (graph.nodes, goal_node)
table.insert (graph.edges, sl_edge)
table.insert (graph.edges, ls_edge)
table.insert (graph.edges, lg_edge)
return graph
end
local simple = create_simple()
simple:writeDotFile("simple")
local lock = create_lock()
lock:writeDotFile("lock_graph")

122
strict.lua Normal file
View File

@ -0,0 +1,122 @@
--- Checks uses of undeclared global variables.
-- All global variables must be 'declared' through a regular assignment
-- (even assigning nil will do) in a main chunk before being used
-- anywhere or assigned to inside a function. Existing metatables __newindex and __index
-- metamethods are respected.
--
-- You can set any table to have strict behaviour using strict.module. Creating a new
-- module with strict.closed_module makes the module immune to monkey-patching, if
-- you don't wish to encourage monkey business.
--
-- If the global PENLIGHT_NO_GLOBAL_STRICT is defined, then this module won't make the
-- global environment strict - if you just want to explicitly set table strictness.
--
-- @module pl.strict
require 'debug' -- for Lua 5.2
local getinfo, error, rawset, rawget = debug.getinfo, error, rawset, rawget
local strict = {}
local function what ()
local d = getinfo(3, "S")
return d and d.what or "C"
end
--- make an existing table strict.
-- @string name name of table (optional)
-- @tab[opt] mod table - if nil then we'll return a new table
-- @tab[opt] predeclared - table of variables that are to be considered predeclared.
-- @return the given table, or a new table
function strict.module (name,mod,predeclared)
local mt, old_newindex, old_index, old_index_type, global, closed
if predeclared then
global = predeclared.__global
closed = predeclared.__closed
end
if type(mod) == 'table' then
mt = getmetatable(mod)
if mt and rawget(mt,'__declared') then return end -- already patched...
else
mod = {}
end
if mt == nil then
mt = {}
setmetatable(mod, mt)
else
old_newindex = mt.__newindex
old_index = mt.__index
old_index_type = type(old_index)
end
mt.__declared = predeclared or {}
mt.__newindex = function(t, n, v)
if old_newindex then
old_newindex(t, n, v)
if rawget(t,n)~=nil then return end
end
if not mt.__declared[n] then
if global then
local w = what()
if w ~= "main" and w ~= "C" then
error("assign to undeclared global '"..n.."'", 2)
end
end
mt.__declared[n] = true
end
rawset(t, n, v)
end
mt.__index = function(t,n)
if not mt.__declared[n] and what() ~= "C" then
if old_index then
if old_index_type == "table" then
local fallback = old_index[n]
if fallback ~= nil then
return fallback
end
else
local res = old_index(t, n)
if res then return res end
end
end
local msg = "variable '"..n.."' is not declared"
if name then
msg = msg .. " in '"..name.."'"
end
error(msg, 2)
end
return rawget(t, n)
end
return mod
end
--- make all tables in a table strict.
-- So strict.make_all_strict(_G) prevents monkey-patching
-- of any global table
-- @tab T
function strict.make_all_strict (T)
for k,v in pairs(T) do
if type(v) == 'table' and v ~= T then
strict.module(k,v)
end
end
end
--- make a new module table which is closed to further changes.
function strict.closed_module (mod,name)
local M = {}
mod = mod or {}
local mt = getmetatable(mod)
if not mt then
mt = {}
setmetatable(mod,mt)
end
mt.__newindex = function(t,k,v)
M[k] = v
end
return strict.module(name,M)
end
if not rawget(_G,'PENLIGHT_NO_GLOBAL_STRICT') then
strict.module(nil,_G,{_PROMPT=true,__global=true})
end
return strict