From e3cbc0119ee06b52c667642afdd38eb33b31f787 Mon Sep 17 00:00:00 2001
From: sonoro1234 <sonoro@telefonica.net>
Date: Tue, 26 Nov 2019 09:56:37 +0100
Subject: [PATCH] generator.lua: preparation of imgui_internal inclusion

---
 generator/generator.lua | 93 +++++++++++++++++++----------------------
 1 file changed, 42 insertions(+), 51 deletions(-)

diff --git a/generator/generator.lua b/generator/generator.lua
index c86a625..6b7d76a 100644
--- a/generator/generator.lua
+++ b/generator/generator.lua
@@ -220,6 +220,7 @@ local function func_header_generate(FP)
     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","_")
@@ -471,12 +472,10 @@ local function cimgui_generation(parser)
     local hstrfile = read_data"./cimgui_template.h"
 
 	local outpre,outpost = parser:gen_structs_and_enums()
-	--parser.templates get completely defined here
-	--cpp2ffi.prtable(parser.templates)
 	
 	local outtab = {}
     generate_templates(outtab,parser.templates)
-	local cstructsstr = outpre..table.concat(outtab,"")..outpost
+	local cstructsstr = outpre..table.concat(outtab,"")..outpost..(extra or "")
 
     hstrfile = hstrfile:gsub([[#include "imgui_structs%.h"]],cstructsstr)
     local cfuncsstr = func_header_generate(parser)
@@ -555,45 +554,54 @@ print("------------------generation with "..COMPILER.."------------------------"
 --local parser1 = parseImGuiHeader([[headers.h]],{[[imgui]],[[imgui_internal]],[[imstb_textedit]]})
 local parser1 = parseImGuiHeader([[../imgui/imgui.h]],{[[imgui]]})
 parser1:do_parse()
---table.sort(parser1.funcdefs, function(a,b) return a.cimguiname < b.cimguiname end)
---parser1:dump_alltypes()
---parser1:printItems()
---[[
-for i,v in ipairs(parser1.itemsarr) do
-	if v.item:match"ImRect" then
-		print(v.re_name)
-		print(v.item)
-	end
-end
---]]
 
 ----------- add ImGuiContext from imgui_internal.h
 --[=[
 local parser1i = parseImGuiHeader([[../imgui/imgui_internal.h]],{[[imgui_internal]],[[imstb_textedit]]})
 parser1i:do_parse()
-for i,v in ipairs(parser1i.itemsarr) do
-	if v.re_name == "vardef_re" then
-		table.insert(parser1.itemsarr,v)
-	elseif v.re_name == "enum_re" then
-		table.insert(parser1.itemsarr,v)
-	elseif v.re_name == "typedef_re" then
-		table.insert(parser1.itemsarr,v)
-	elseif v.re_name == "struct_re" or v.re_name=="enum_re" then
-		if v.item:match"^[%s\n\r]*struct%s*ImGuiContext" then
-			table.insert(parser1.itemsarr,v)
-		else
-			--print(v.item)
-			local newitem = v.item:match"(struct%s*%S+)"
-			print("reduced",newitem)
-			if newitem:match"ImPool" then
-				table.insert(parser1.itemsarr,{re_name="vardef_re",item=newitem..";"})
-			else
-				table.insert(parser1.itemsarr,v)
-			end
+local p1isten = parser1i:gen_structs_and_enums_table()
+
+local needed = {ImGuiContext = {type = "ImGuiContext", kind = "structs", order = parser1i.order["ImGuiContext"]}}
+local function RecurseNeeded(Ini,IniKind)
+	for i,v in ipairs(p1isten[IniKind][Ini]) do
+		local kind = p1isten.enums[v.type] and "enums" or p1isten.structs[v.type] and "structs"
+		if kind then
+			needed[v.type] = {type = v.type, kind = kind, order = parser1i.order[v.type]}
+			RecurseNeeded(v.type,kind)
 		end
 	end
 end
---cpp2ffi.prtable(parser1i.itemsarr)
+
+RecurseNeeded("ImGuiContext","structs")
+
+
+local ordered_needed = {}
+for k,v in pairs(needed) do
+	table.insert(ordered_needed,v)
+end
+table.sort(ordered_needed, function(a,b) return a.order < b.order end)
+
+for i,vv in ipairs(ordered_needed) do
+	print(vv.order,vv.type)
+	local v = parser1i.itemsarr[vv.order]
+
+	if v.item:match"^[%s\n\r]*struct%s*ImGuiContext" then
+			--add enum keyword where necessary
+			print"setting enum keyword------------------------"
+			local newitem = ""
+			for line in v.item:gmatch("([^\n]+)") do
+				local typen = line:match"^%s*(%S+)"
+				if p1isten.enums[typen] then
+					print("add enum",typen)
+					newitem = newitem.."\nenum"..line
+				else
+					newitem = newitem.."\n"..line
+				end
+			end
+			v.item = newitem
+	end
+	table.insert(parser1.itemsarr,v)
+end
 --]=]
 ----------------------
 
@@ -628,24 +636,7 @@ save_data("./output/typedefs_dict.lua",serializeTableF(parser1.typedefs_dict))
 		-- assert(def.ov_cimguiname)
 	-- end
 -- end
-------------imgui_internal.h
---[=[
---prepare parser
-local parser1i = parseImGuiHeader([[../imgui/imgui_internal.h]],[[imgui_internal]])
 
-parser1i:do_parse()
-cpp2ffi.prtable(parser1i.itemsarr)
-local outtab = {}
-generate_templates(outtab,parser1i.templates)
-
-local int_structs_and_enums_table = parser1i:gen_structs_and_enums_table()
-outtab[#outtab +1] = "struct ImGuiContext\n{\n"
-for i,v in ipairs(int_structs_and_enums_table.structs.ImGuiContext) do
-	outtab[#outtab +1] = "    "..v.type.." "..v.name..";\n"
-end
-outtab[#outtab +1]="}\n"
-print(table.concat(outtab))
---]=]
 --=================================Now implementations
 
 local parser2