More work with parsing xml (almost works)

develop
Warmist 2012-03-02 01:23:03 +02:00
parent 022822277d
commit 1c90019de4
3 changed files with 468 additions and 2 deletions

@ -1,7 +1,7 @@
function parseargs(s) function parseargs(s)
local arg = {} local arg = {}
string.gsub(s, "(%w+)=([\"'])(.-)%2", function (w, _, a) string.gsub(s, "([%w%-]+)=([\"'])(.-)%2", function (w, _, a)
arg[w] = a arg[w] = a
end) end)
return arg return arg
@ -51,5 +51,5 @@ end
function parseXmlFile(path) function parseXmlFile(path)
local f, e = io.open(path, "r") local f, e = io.open(path, "r")
local xml = f:read("*a") local xml = f:read("*a")
return collect(xml)[1] return collect(xml)
end end

@ -0,0 +1,82 @@
--[=[
bld=buildinglist[1]
bld.x1=10
bld.flags.exists=true
boolval=bld.flags.justice
if boolval then
bld.mat_type=bld.mat_type+1
end
type info:
--]=]
dofile("dfusion/xml_types.lua")
--[=[sometype={
}
sometype.x1={INT32_T,0}
sometype.y1={INT32_T,4}
--...
sometype.flags={"building_flags",7*4}
--...
types.building=sometype
]=]
function parseTree(t)
for k,v in ipairs(t) do
if v.xarg~=nil and v.xarg["type-name"]~=nil and v.label=="ld:global-type" then
local name=v.xarg["type-name"];
print("Parsing:"..name)
for kk,vv in pairs(v.xarg) do
print("\t"..kk.." "..tostring(vv))
end
types[name]=makeType(v)
print("found "..name.." or type:"..v.xarg.meta or v.xarg.base)
end
end
end
function findAndParse(tname)
for k,v in ipairs(main_tree) do
local name=v.xarg["type-name"];
if v.xarg~=nil and v.xarg["type-name"]~=nil and v.label=="ld:global-type" then
if(name ==tname) then
print("Parsing:"..name)
for kk,vv in pairs(v.xarg) do
print("\t"..kk.." "..tostring(vv))
end
types[name]=makeType(v)
end
--print("found "..name.." or type:"..v.xarg.meta or v.xarg.base)
end
end
end
--------------------------------
types=types or {}
dofile("dfusion/patterns/xml_angavrilov.lua")
main_tree=parseXmlFile("dfusion/patterns/supplementary.xml")[1]
parseTree(main_tree)
main_tree=parseXmlFile("dfusion/patterns/codegen.out.xml")[1]
parseTree(main_tree)
--[=[labels={}
for k,v in ipairs(t) do
labels[v.label]=labels[v.label] or {meta={}}
if v.label=="ld:global-type" and v.xarg~=nil and v.xarg.meta ~=nil then
labels[v.label].meta[v.xarg.meta]=1
end
end
for k,v in pairs(labels) do
print(k)
if v.meta~=nil then
for kk,vv in pairs(v.meta) do
print("=="..kk)
end
end
end--]=]

@ -0,0 +1,384 @@
function type_read(valtype,address)
if type(valtype)~= "table" then
return engine.peek(valtype,address)
else
return valtype:makewrap(address)
end
end
function type_write(valtype,address,val)
if type(valtype)~= "table" then
engine.poke(valtype,address,val)
else
engine.poke(DWORD,address,rawget(val,"ptr"))
end
end
function first_of_type(node,labelname)
for k,v in ipairs(node) do
if type(v)=="table" and v.label==labelname then
return v
end
end
end
xtypes={} -- list of all types prototypes (e.g. enum-type -> announcement_type)
-- type must have new and makewrap (that makes a wrapper around ptr)
local sarr={}
sarr.__index=sarr
function sarr.new(node)
local o={}
setmetatable(o,sarr)
print("Making array.")
o.count=tonumber(node.xarg.count)
print("got cound:"..o.count)
o.ctype=makeType(first_of_type(node,"ld:item"))
o.size=o.count*o.ctype.size
print("got subtypesize:"..o.ctype.size)
return o
end
function sarr:makewrap(address)
local o={}
o.mtype=self
o.ptr=address
setmetatable(o,self.wrap)
return o
end
sarr.wrap={}
function sarr.wrap:__index(key)
local num=tonumber(key)
local mtype=rawget(self,"mtype")
if num~=nil and num<mtype.count then
return type_read(mtype.ctype,num*mtype.ctype.size+rawget(self,"ptr"))
else
error("invalid key to static-array")
end
end
function sarr.wrap:__newindex(key,val)
local num=tonumber(key)
if num~=nil and num<rawget(self,"mtype").count then
return type_write(mtype.ctype,num*mtype.ctype.size+rawget(self,"ptr"),val)
else
error("invalid key to static-array")
end
end
--]=]
xtypes["static-array"]=sarr
simpletypes={}
simpletypes.uint32_t={DWORD,4}
simpletypes.uint16_t={WORD,2}
simpletypes.uint8_t={BYTE,1}
simpletypes.int32_t={DWORD,4}
simpletypes.int16_t={WORD,2}
simpletypes.int8_t={BYTE,1}
simpletypes.bool={BYTE,1}
simpletypes["stl-string"]={STD_STRING,24}
function getSimpleType(typename)
if simpletypes[typename] == nil then return end
local o={}
o.ctype=simpletypes[typename][1]
o.size=simpletypes[typename][2]
return o
end
local type_enum={}
type_enum.__index=type_enum
function type_enum.new(node)
local o={}
setmetatable(o,type_enum)
for k,v in pairs(node) do
if type(v)=="table" and v.xarg~=nil then
--print("\t"..k.." "..v.xarg.name)
o[k-1]=v.xarg.name
end
end
local btype=node.xarg["base-type"] or "uint32_t"
--print(btype.." t="..convertType(btype))
o.type=getSimpleType(btype) -- should be simple type
o.size=o.type.size
return o
end
xtypes["enum-type"]=type_enum
local type_bitfield={}
type_bitfield.__index=type_bitfield
function type_bitfield.new(node)
local o={}
setmetatable(o,type_bitfield)
o.size=0
for k,v in pairs(node) do
if type(v)=="table" and v.xarg~=nil then
--print("\t"..k.." "..v.xarg.name)
o[k-1]=v.xarg.name
o.size=o.size+1
end
end
o.size=o.size/8 -- size in bytes, not bits.
return o
end
xtypes["bitfield-type"]=type_bitfield
local type_class={}
type_class.__index=type_class
function type_class.new(node)
local o={}
setmetatable(o,type_class)
o.types={}
o.size=0
for k,v in pairs(node) do
if type(v)=="table" and v.label=="ld:field" and v.xarg~=nil then
local t_name=""
local name=v.xarg.name or v.xarg["anon-name"] or ("unk_"..k)
print("\t"..k.." "..name.."->"..v.xarg.meta.." ttype:"..v.label)
local ttype=makeType(v)
--for k,v in pairs(ttype) do
-- print(k..tostring(v))
--end
o.types[name]={ttype,o.size}
o.size=o.size+ttype.size
end
end
return o
end
type_class.wrap={}
function type_class.wrap:__index(key)
local myptr=rawget(self,"ptr")
local mytype=rawget(self,"ptype")
if mytype.types[key] ~= nil then
return type_read(mytype.types[key][1],myptr+mytype.types[key][2])
else
error("No such field exists")
end
end
function type_class.wrap:__newindex(key,value)
local myptr=rawget(self,"ptr")
local mytype=rawget(self,"mtype")
if mytype.types[key] ~= nil then
return type_write(mytype.types[key][1],myptr+mytype.types[key][2],value)
else
error("No such field exists")
end
end
function type_class:makewrap(ptr)
local o={}
o.ptr=ptr
o.mtype=self
setmetatable(o,self.wrap)
return o
end
xtypes["struct-type"]=type_class
xtypes["class-type"]=type_class
local type_pointer={}
type_pointer.__index=type_pointer
function type_pointer.new(node)
local o={}
setmetatable(o,type_pointer)
o.ptype=makeType(first_of_type(node,"ld:item"))
o.size=4
return o
end
type_pointer.wrap={}
function type_pointer.wrap:tonumber()
local myptr=rawget(self,"ptr")
return type_read(myptr,DWORD)
end
function type_pointer.wrap:fromnumber(num)
local myptr=rawget(self,"ptr")
return type_write(myptr,DWORD,num)
end
function type_pointer.wrap:deref()
local myptr=rawget(self,"ptr")
local mytype=rawget(self,"ptype")
return type_read(myptr,mytype)
end
function type_pointer:makewrap(ptr)
local o={}
o.ptr=ptr
o.mtype=self
setmetatable(o,self.wrap)
return o
end
xtypes["pointer"]=type_class
--------------------------------------------
--stl-vector (beginptr,endptr,allocptr)
--df-flagarray (ptr,size)
xtypes.containers={}
local farr={}
farr.__index=farr
function farr.new(node)
local o={}
setmetatable(o,sarr)
o.size=8
return o
end
function farr:makewrap(address)
local o={}
o.mtype=self
o.ptr=address
setmetatable(o,self.wrap)
return o
end
farr.wrap={}
function farr.wrap:__index(key)
local num=tonumber(key)
local mtype=rawget(self,"mtype")
local size=type_read(rawget(self,"ptr")+4,DWORD)
error("TODO make __index for df-flagarray")
if num~=nil and num<sizethen then
return type_read(mtype.ctype,num*mtype.ctype.size+rawget(self,"ptr"))
else
error("invalid key to df-flagarray")
end
end
function farr.wrap:__newindex(key,val)
local num=tonumber(key)
error("TODO make __index for df-flagarray")
if num~=nil and num<rawget(self,"mtype").count then
return type_write(mtype.ctype,num*mtype.ctype.size+rawget(self,"ptr"),val)
else
error("invalid key to static-array")
end
end
xtypes.containers["df-flagarray"]=farr
local stl_vec={}
stl_vec.__index=farr
function stl_vec.new(node)
local o={}
setmetatable(o,sarr)
o.size=12
local titem=first_of_type(node,"ld:item")
if titem~=nil then
o.item_type=makeType(titem)
else
o.item_type=getSimpleType("uint32_t")
end
return o
end
function stl_vec:makewrap(address)
local o={}
o.mtype=self
o.ptr=address
setmetatable(o,self.wrap)
return o
end
stl_vec.wrap={}
function stl_vec.wrap:__index(key)
local num=tonumber(key)
local mtype=rawget(self,"item_type")
local ptr=rawget(self,"ptr")
local p_begin=type_read(ptr,DWORD)
local p_end=type_read(ptr+4,DWORD)
--allocend=type_read(ptr+8,DWORD)
error("TODO make __index for stl_vec")
if num~=nil and num<sizethen then
return type_read(mtype.ctype,num*mtype.ctype.size+rawget(self,"ptr"))
else
error("invalid key to df-flagarray")
end
end
function stl_vec.wrap:__newindex(key,val)
local num=tonumber(key)
error("TODO make __index for stl_vec")
if num~=nil and num<rawget(self,"mtype").count then
return type_write(mtype.ctype,num*mtype.ctype.size+rawget(self,"ptr"),val)
else
error("invalid key to static-array")
end
end
xtypes.containers["stl-vector"]=stl_vec
--------------------------------------------
parser={}
parser["ld:global-type"]=function (node)
return xtypes[node.xarg.meta].new(node)
end
parser["ld:global-object"]=function (node)
end
parser["ld:field"]=function (node)
local meta=node.xarg.meta
if meta=="number" or (meta=="primitive" and node.xarg.subtype=="stl-string") then
return getSimpleType(node.xarg.subtype)
elseif meta=="static-array" then
return xtypes["static-array"].new(node)
elseif meta=="global" then
if types[node.xarg["type-name"]]== nil then
findAndParse(node.xarg["type-name"])
if types[node.xarg["type-name"]]== nil then
error("type:"..node.xarg["type-name"].." failed find-and-parse")
end
--error("type:"..node.xarg["type-name"].." should already be ready")
end
return types[node.xarg["type-name"]]
elseif meta=="compound" then
if node.xarg.subtype==nil then
return xtypes["struct-type"].new(node)
else
return xtypes[node.xarg.subtype.."-type"].new(node)
end
elseif meta=="container" then
local subtype=node.xarg.subtype
if xtypes.containers[subtype]==nil then
error(subtype.." not implemented... (container)")
else
return xtypes.containers[subtype].new(node)
end
elseif meta=="pointer" then
return xtypes["pointer"].new(node)
elseif meta=="bytes" then
error("TODO make bytes")
else
error("Unknown meta:"..meta)
end
end
parser["ld:item"]=parser["ld:field"]
function makeType(node,overwrite)
local label=overwrite or node.label
if parser[label] ~=nil then
print("Make Type with:"..label)
local ret=parser[label](node)
if ret==nil then
error("Error parsing:"..label.." nil returned!")
else
return ret
end
else
for k,v in pairs(node) do
print(k.."->"..tostring(v))
end
error("Node parser not found: "..label)
end
--[=[
if getSimpleType(node)~=nil then
return getSimpleType(node)
end
print("Trying to make:"..node.xarg.meta)
if xtypes[node.xarg.meta]~=nil then
return xtypes[node.xarg.meta].new(node)
end
if node.xarg.meta=="global" then
--print(node.xarg["type-name"])
if types[node.xarg["type-name"]]== nil then
error("type:"..node.xarg["type-name"].." should already be ready")
end
return types[node.xarg["type-name"]]
end
]=]
--[=[for k,v in pairs(node) do
print(k.."=>"..tostring(v))
if type(v)=="table" then
for kk,vv in pairs(v) do
print("\t"..kk.."=>"..tostring(vv))
end
end
end]=]
end