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generator: move C writting functions inside cpp2ffi

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This commit is contained in:
Victor Bombi
2020-08-28 17:09:37 +02:00
parent df229d94ac
commit e105d9f793
2 changed files with 150 additions and 146 deletions
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148
generator/cpp2ffi.lua
View File

@@ -1577,7 +1577,155 @@ local function location(file,locpathT,defines,COMPILER)
return location_it return location_it
end end
M.location = location M.location = location
---------------------- C writing functions
local function ImGui_f_implementation(outtab,def)
local ptret = def.retref and "&" or ""
table.insert(outtab,"CIMGUI_API".." "..def.ret.." "..def.ov_cimguiname..def.args.."\n")
table.insert(outtab,"{\n")
local namespace = def.namespace and def.namespace.."::" or ""
if def.isvararg then
local call_args = def.call_args:gsub("%.%.%.","args")
table.insert(outtab," va_list args;\n")
table.insert(outtab," va_start(args, fmt);\n")
if def.ret~="void" then
table.insert(outtab," "..def.ret.." ret = "..namespace..def.funcname.."V"..call_args..";\n")
else
table.insert(outtab," "..namespace..def.funcname.."V"..call_args..";\n")
end
table.insert(outtab," va_end(args);\n")
if def.ret~="void" then
table.insert(outtab," return ret;\n")
end
elseif def.nonUDT then
if def.nonUDT == 1 then
table.insert(outtab," *pOut = "..namespace..def.funcname..def.call_args..";\n")
end
else --standard ImGui
table.insert(outtab," return "..ptret..namespace..def.funcname..def.call_args..";\n")
end
table.insert(outtab,"}\n")
end
local function struct_f_implementation(outtab,def)
local empty = def.args:match("^%(%)") --no args
local ptret = def.retref and "&" or ""
local imgui_stname = def.stname
table.insert(outtab,"CIMGUI_API".." "..def.ret.." "..def.ov_cimguiname..def.args.."\n")
table.insert(outtab,"{\n")
if def.isvararg then
local call_args = def.call_args:gsub("%.%.%.","args")
table.insert(outtab," va_list args;\n")
table.insert(outtab," va_start(args, fmt);\n")
if def.ret~="void" then
table.insert(outtab," "..def.ret.." ret = self->"..def.funcname.."V"..call_args..";\n")
else
table.insert(outtab," self->"..def.funcname.."V"..call_args..";\n")
end
table.insert(outtab," va_end(args);\n")
if def.ret~="void" then
table.insert(outtab," return ret;\n")
end
elseif def.nonUDT then
if def.nonUDT == 1 then
table.insert(outtab," *pOut = self->"..def.funcname..def.call_args..";\n")
end
else --standard struct
table.insert(outtab," return "..ptret.."self->"..def.funcname..def.call_args..";\n")
end
table.insert(outtab,"}\n")
end
local function func_implementation(FP)
local outtab = {}
for _,t in ipairs(FP.funcdefs) do
repeat -- continue simulation
if not t.cimguiname then break end
local cimf = FP.defsT[t.cimguiname]
local def = cimf[t.signature]
assert(def)
local manual = FP.get_manuals(def)
if not manual and not def.templated then
if def.constructor then
assert(def.stname ~= "","constructor without struct")
local empty = def.args:match("^%(%)") --no args
table.insert(outtab,"CIMGUI_API "..def.stname.."* "..def.ov_cimguiname..(empty and "(void)" or def.args).."\n")
table.insert(outtab,"{\n")
table.insert(outtab," return IM_NEW("..def.stname..")"..def.call_args..";\n")
table.insert(outtab,"}\n")
elseif def.destructor then
local args = "("..def.stname.."* self)"
local fname = def.stname.."_destroy"
table.insert(outtab,"CIMGUI_API void "..fname..args.."\n")
table.insert(outtab,"{\n")
table.insert(outtab," IM_DELETE(self);\n")
table.insert(outtab,"}\n")
elseif def.stname == "" then
ImGui_f_implementation(outtab,def)
else -- stname
struct_f_implementation(outtab,def)
end
end
until true
end
return table.concat(outtab)
end
M.func_implementation = func_implementation
local function func_header_generate(FP)
local outtab = {}
table.insert(outtab,"#ifndef CIMGUI_DEFINE_ENUMS_AND_STRUCTS\n")
for k,v in pairs(FP.embeded_structs) do
table.insert(outtab,"typedef "..v.." "..k..";\n")
end
for ttype,v in pairs(FP.templates) do
for ttypein,_ in pairs(v) do
local te = ttypein:gsub("%s","_")
te = te:gsub("%*","Ptr")
table.insert(outtab,"typedef "..ttype.."<"..ttypein.."> "..ttype.."_"..te..";\n")
end
end
table.insert(outtab,"#endif //CIMGUI_DEFINE_ENUMS_AND_STRUCTS\n")
for _,t in ipairs(FP.funcdefs) do
if t.cimguiname then
local cimf = FP.defsT[t.cimguiname]
local def = cimf[t.signature]
assert(def,t.signature..t.cimguiname)
local manual = FP.get_manuals(def)
if not manual and not def.templated then
local addcoment = def.comment or ""
local empty = def.args:match("^%(%)") --no args
if def.constructor then
assert(def.stname ~= "","constructor without struct")
table.insert(outtab,"CIMGUI_API "..def.stname.."* "..def.ov_cimguiname ..(empty and "(void)" or def.args)..";"..addcoment.."\n")
elseif def.destructor then
table.insert(outtab,"CIMGUI_API void "..def.ov_cimguiname..def.args..";"..addcoment.."\n")
else --not constructor
if def.stname == "" then --ImGui namespace or top level
table.insert(outtab,"CIMGUI_API "..def.ret.." ".. def.ov_cimguiname ..(empty and "(void)" or def.args)..";"..addcoment.."\n")
else
table.insert(outtab,"CIMGUI_API "..def.ret.." "..def.ov_cimguiname..def.args..";"..addcoment.."\n")
end
end
end
else --not cimguiname
table.insert(outtab,t.comment:gsub("%%","%%%%").."\n")-- %% substitution for gsub
end
end
local cfuncsstr = table.concat(outtab)
cfuncsstr = cfuncsstr:gsub("\n+","\n") --several empty lines to one empty line
return cfuncsstr
end
M.func_header_generate = func_header_generate
--[=[ --[=[
-- tests -- tests
local line = [[struct ImDrawListSharedData local line = [[struct ImDrawListSharedData

148
generator/generator.lua
View File

@@ -115,151 +115,10 @@ local function func_header_impl_generate(FP)
cfuncsstr = cfuncsstr:gsub("\n+","\n") --several empty lines to one empty line cfuncsstr = cfuncsstr:gsub("\n+","\n") --several empty lines to one empty line
return cfuncsstr return cfuncsstr
end end
local function func_header_generate(FP)
local outtab = {} local func_header_generate = cpp2ffi.func_header_generate
table.insert(outtab,"#ifndef CIMGUI_DEFINE_ENUMS_AND_STRUCTS\n") local func_implementation = cpp2ffi.func_implementation
for k,v in pairs(FP.embeded_structs) do
table.insert(outtab,"typedef "..v.." "..k..";\n")
end
for ttype,v in pairs(FP.templates) do
for ttypein,_ in pairs(v) do
local te = ttypein:gsub("%s","_")
te = te:gsub("%*","Ptr")
table.insert(outtab,"typedef "..ttype.."<"..ttypein.."> "..ttype.."_"..te..";\n")
end
end
table.insert(outtab,"#endif //CIMGUI_DEFINE_ENUMS_AND_STRUCTS\n")
for _,t in ipairs(FP.funcdefs) do
if t.cimguiname then
local cimf = FP.defsT[t.cimguiname]
local def = cimf[t.signature]
assert(def,t.signature..t.cimguiname)
local manual = FP.get_manuals(def)
if not manual and not def.templated then
local addcoment = def.comment or ""
local empty = def.args:match("^%(%)") --no args
if def.constructor then
assert(def.stname ~= "","constructor without struct")
table.insert(outtab,"CIMGUI_API "..def.stname.."* "..def.ov_cimguiname ..(empty and "(void)" or def.args)..";"..addcoment.."\n")
elseif def.destructor then
table.insert(outtab,"CIMGUI_API void "..def.ov_cimguiname..def.args..";"..addcoment.."\n")
else --not constructor
if def.stname == "" then --ImGui namespace or top level
table.insert(outtab,"CIMGUI_API "..def.ret.." ".. def.ov_cimguiname ..(empty and "(void)" or def.args)..";"..addcoment.."\n")
else
table.insert(outtab,"CIMGUI_API "..def.ret.." "..def.ov_cimguiname..def.args..";"..addcoment.."\n")
end
end
end
else --not cimguiname
table.insert(outtab,t.comment:gsub("%%","%%%%").."\n")-- %% substitution for gsub
end
end
local cfuncsstr = table.concat(outtab)
cfuncsstr = cfuncsstr:gsub("\n+","\n") --several empty lines to one empty line
return cfuncsstr
end
local function ImGui_f_implementation(outtab,def)
local ptret = def.retref and "&" or ""
table.insert(outtab,"CIMGUI_API".." "..def.ret.." "..def.ov_cimguiname..def.args.."\n")
table.insert(outtab,"{\n")
local namespace = def.namespace and def.namespace.."::" or ""
if def.isvararg then
local call_args = def.call_args:gsub("%.%.%.","args")
table.insert(outtab," va_list args;\n")
table.insert(outtab," va_start(args, fmt);\n")
if def.ret~="void" then
table.insert(outtab," "..def.ret.." ret = "..namespace..def.funcname.."V"..call_args..";\n")
else
table.insert(outtab," "..namespace..def.funcname.."V"..call_args..";\n")
end
table.insert(outtab," va_end(args);\n")
if def.ret~="void" then
table.insert(outtab," return ret;\n")
end
elseif def.nonUDT then
if def.nonUDT == 1 then
table.insert(outtab," *pOut = "..namespace..def.funcname..def.call_args..";\n")
end
else --standard ImGui
table.insert(outtab," return "..ptret..namespace..def.funcname..def.call_args..";\n")
end
table.insert(outtab,"}\n")
end
local function struct_f_implementation(outtab,def)
local empty = def.args:match("^%(%)") --no args
local ptret = def.retref and "&" or ""
local imgui_stname = def.stname
table.insert(outtab,"CIMGUI_API".." "..def.ret.." "..def.ov_cimguiname..def.args.."\n")
table.insert(outtab,"{\n")
if def.isvararg then
local call_args = def.call_args:gsub("%.%.%.","args")
table.insert(outtab," va_list args;\n")
table.insert(outtab," va_start(args, fmt);\n")
if def.ret~="void" then
table.insert(outtab," "..def.ret.." ret = self->"..def.funcname.."V"..call_args..";\n")
else
table.insert(outtab," self->"..def.funcname.."V"..call_args..";\n")
end
table.insert(outtab," va_end(args);\n")
if def.ret~="void" then
table.insert(outtab," return ret;\n")
end
elseif def.nonUDT then
if def.nonUDT == 1 then
table.insert(outtab," *pOut = self->"..def.funcname..def.call_args..";\n")
end
else --standard struct
table.insert(outtab," return "..ptret.."self->"..def.funcname..def.call_args..";\n")
end
table.insert(outtab,"}\n")
end
local function func_implementation(FP)
local outtab = {}
for _,t in ipairs(FP.funcdefs) do
repeat -- continue simulation
if not t.cimguiname then break end
local cimf = FP.defsT[t.cimguiname]
local def = cimf[t.signature]
assert(def)
local manual = FP.get_manuals(def)
if not manual and not def.templated then
if def.constructor then
assert(def.stname ~= "","constructor without struct")
local empty = def.args:match("^%(%)") --no args
table.insert(outtab,"CIMGUI_API "..def.stname.."* "..def.ov_cimguiname..(empty and "(void)" or def.args).."\n")
table.insert(outtab,"{\n")
table.insert(outtab," return IM_NEW("..def.stname..")"..def.call_args..";\n")
table.insert(outtab,"}\n")
elseif def.destructor then
local args = "("..def.stname.."* self)"
local fname = def.stname.."_destroy"
table.insert(outtab,"CIMGUI_API void "..fname..args.."\n")
table.insert(outtab,"{\n")
table.insert(outtab," IM_DELETE(self);\n")
table.insert(outtab,"}\n")
elseif def.stname == "" then
ImGui_f_implementation(outtab,def)
else -- stname
struct_f_implementation(outtab,def)
end
end
until true
end
return table.concat(outtab)
end
-------------------functions for getting and setting defines -------------------functions for getting and setting defines
local function get_defines(t) local function get_defines(t)
if COMPILER == "cl" then print"can't get defines with cl compiler"; return {} end if COMPILER == "cl" then print"can't get defines with cl compiler"; return {} end
@@ -317,9 +176,6 @@ local function DefsByStruct(FP)
FP.defsBystruct = structs FP.defsBystruct = structs
end end
----------custom ImVector templates ----------custom ImVector templates
local function generate_templates(code,codeimpool,templates) local function generate_templates(code,codeimpool,templates)
table.insert(code,"\n"..[[typedef struct ImVector{int Size;int Capacity;void* Data;} ImVector;]].."\n") table.insert(code,"\n"..[[typedef struct ImVector{int Size;int Capacity;void* Data;} ImVector;]].."\n")