dont name igGetIO overload as the generic name of function (C++ name) solves issue #289

generator.lua: fix missing void in Vulkan function generation

backend_test/example_glfw_dx11/main.c

@@ -24,6 +24,8 @@
 #define igButton igButton_Str
 #endif
 
+#define igGetIO igGetIO_Nil
+
 GLFWwindow *window;
 
 // Data

backend_test/example_glfw_opengl3/main.c

@@ -17,6 +17,8 @@
 #define igButton igButton_Str
 #endif
 
+#define igGetIO igGetIO_Nil
+
 GLFWwindow *window;
 
 int main(int argc, char *argv[])

backend_test/example_sdl_opengl3/main.c

@@ -18,6 +18,8 @@
 #define igButton igButton_Str
 #endif
 
+#define igGetIO igGetIO_Nil
+
 SDL_Window *window = NULL;
 
 int main(int argc, char* argv[])

backend_test/example_sdl_vulkan/main.c

@@ -26,6 +26,8 @@
 #define igButton igButton_Str
 #endif
 
+#define igGetIO igGetIO_Nil
+
 #define IM_UNUSED(_VAR)  ((void)(_VAR))
 #define IM_ASSERT(_EXPR) assert(_EXPR)
 #define IM_ARRAYSIZE(_ARR) ((int)(sizeof(_ARR) / sizeof(*(_ARR))))

cimgui.cpp

@@ -53,7 +53,7 @@ CIMGUI_API void igSetCurrentContext(ImGuiContext* ctx)
 {
     return ImGui::SetCurrentContext(ctx);
 }
-CIMGUI_API ImGuiIO* igGetIO()
+CIMGUI_API ImGuiIO* igGetIO_Nil()
 {
     return &ImGui::GetIO();
 }
@@ -3999,7 +3999,7 @@ CIMGUI_API ImGuiTableColumnSettings* ImGuiTableSettings_GetColumnSettings(ImGuiT
 {
     return self->GetColumnSettings();
 }
-CIMGUI_API ImGuiIO* igGetIOEx(ImGuiContext* ctx)
+CIMGUI_API ImGuiIO* igGetIO_ContextPtr(ImGuiContext* ctx)
 {
     return &ImGui::GetIO(ctx);
 }

cimgui.h

@@ -3633,7 +3633,7 @@ CIMGUI_API ImGuiContext* igCreateContext(ImFontAtlas* shared_font_atlas);
 CIMGUI_API void igDestroyContext(ImGuiContext* ctx);
 CIMGUI_API ImGuiContext* igGetCurrentContext(void);
 CIMGUI_API void igSetCurrentContext(ImGuiContext* ctx);
-CIMGUI_API ImGuiIO* igGetIO(void);
+CIMGUI_API ImGuiIO* igGetIO_Nil(void);
 CIMGUI_API ImGuiPlatformIO* igGetPlatformIO_Nil(void);
 CIMGUI_API ImGuiStyle* igGetStyle(void);
 CIMGUI_API void igNewFrame(void);
@@ -4607,7 +4607,7 @@ CIMGUI_API void ImGuiTableColumnSettings_destroy(ImGuiTableColumnSettings* self)
 CIMGUI_API ImGuiTableSettings* ImGuiTableSettings_ImGuiTableSettings(void);
 CIMGUI_API void ImGuiTableSettings_destroy(ImGuiTableSettings* self);
 CIMGUI_API ImGuiTableColumnSettings* ImGuiTableSettings_GetColumnSettings(ImGuiTableSettings* self);
-CIMGUI_API ImGuiIO* igGetIOEx(ImGuiContext* ctx);
+CIMGUI_API ImGuiIO* igGetIO_ContextPtr(ImGuiContext* ctx);
 CIMGUI_API ImGuiPlatformIO* igGetPlatformIO_ContextPtr(ImGuiContext* ctx);
 CIMGUI_API ImGuiWindow* igGetCurrentWindowRead(void);
 CIMGUI_API ImGuiWindow* igGetCurrentWindow(void);

cimgui_impl.h

@@ -193,6 +193,6 @@ CIMGUI_API VkPresentModeKHR ImGui_ImplVulkanH_SelectPresentMode(VkPhysicalDevice
 CIMGUI_API VkPhysicalDevice ImGui_ImplVulkanH_SelectPhysicalDevice(VkInstance instance);
 CIMGUI_API uint32_t ImGui_ImplVulkanH_SelectQueueFamilyIndex(VkPhysicalDevice physical_device);
 CIMGUI_API int ImGui_ImplVulkanH_GetMinImageCountFromPresentMode(VkPresentModeKHR present_mode);
-CIMGUI_API ImGui_ImplVulkanH_Window* ImGui_ImplVulkanH_Window_ImGui_ImplVulkanH_Window();
+CIMGUI_API ImGui_ImplVulkanH_Window* ImGui_ImplVulkanH_Window_ImGui_ImplVulkanH_Window(void);
 
 #endif

generator/generator.lua

@@ -91,10 +91,10 @@ local cimgui_skipped = {
 --desired name
 ---------------------------------------------------------------------------
 local cimgui_overloads = {
-	igGetIO = {
-		["()"] = "igGetIO",
-		["(ImGuiContext*)"] = "igGetIOEx",
-	},
+	-- igGetIO = {
+		-- ["()"] = "igGetIO",
+		-- ["(ImGuiContext*)"] = "igGetIOEx",
+	-- },
     --igPushID = {
         --["(const char*)"] =           "igPushIDStr",
         --["(const char*,const char*)"] = "igPushIDRange",
@@ -128,6 +128,7 @@ local function func_header_impl_generate(FP)
             local cimf = FP.defsT[t.cimguiname]
             local def = cimf[t.signature]
 			local addcoment = def.comment or ""
+			local empty = def.args:match("^%(%)") --no args
 			if def.constructor then
 				-- only vulkan is manually created
 				assert(def.ov_cimguiname=="ImGui_ImplVulkanH_Window_ImGui_ImplVulkanH_Window" or
@@ -139,7 +140,6 @@ local function func_header_impl_generate(FP)
 			else
                 
                 if def.stname == "" then --ImGui namespace or top level
-                    local empty = def.args:match("^%(%)") --no args
                     table.insert(outtab,"CIMGUI_API".." "..def.ret.." "..def.ov_cimguiname..(empty and "(void)" or def.args)..";"..addcoment.."\n")
                 else
 					cpp2ffi.prtable(def)

generator/output/definitions.json

@@ -21987,7 +21987,7 @@
       "funcname": "GetIO",
       "location": "imgui:340",
       "namespace": "ImGui",
-      "ov_cimguiname": "igGetIO",
+      "ov_cimguiname": "igGetIO_Nil",
       "ret": "ImGuiIO*",
       "retref": "&",
       "signature": "()",
@@ -22008,7 +22008,7 @@
       "funcname": "GetIO",
       "location": "imgui_internal:3238",
       "namespace": "ImGui",
-      "ov_cimguiname": "igGetIOEx",
+      "ov_cimguiname": "igGetIO_ContextPtr",
       "ret": "ImGuiIO*",
       "retref": "&",
       "signature": "(ImGuiContext*)",

generator/output/definitions.lua

@@ -18663,7 +18663,7 @@ local t={
       funcname="GetIO",
       location="imgui:340",
       namespace="ImGui",
-      ov_cimguiname="igGetIO",
+      ov_cimguiname="igGetIO_Nil",
       ret="ImGuiIO*",
       retref="&",
       signature="()",
@@ -18681,7 +18681,7 @@ local t={
       funcname="GetIO",
       location="imgui_internal:3238",
       namespace="ImGui",
-      ov_cimguiname="igGetIOEx",
+      ov_cimguiname="igGetIO_ContextPtr",
       ret="ImGuiIO*",
       retref="&",
       signature="(ImGuiContext*)",

generator/output/overloads.txt

@@ -124,8 +124,8 @@ igGetIDWithSeed	2
 1	ImGuiID	igGetIDWithSeed_Str (const char*,const char*,ImGuiID)
 2	ImGuiID	igGetIDWithSeed_Int (int,ImGuiID)
 igGetIO	2
-1	ImGuiIO*	igGetIO ()
-2	ImGuiIO*	igGetIOEx (ImGuiContext*)
+1	ImGuiIO*	igGetIO_Nil ()
+2	ImGuiIO*	igGetIO_ContextPtr (ImGuiContext*)
 igGetKeyData	2
 1	ImGuiKeyData*	igGetKeyData_ContextPtr (ImGuiContext*,ImGuiKey)
 2	ImGuiKeyData*	igGetKeyData_Key (ImGuiKey)

test/main.c

@@ -11,6 +11,8 @@
 #define igDebugCheckVersionAndDataLayout igDebugCheckVersionAndDataLayout_Str
 #endif
 
+#define igGetIO igGetIO_Nil
+
 int main(void)
 {
   assert(igDebugCheckVersionAndDataLayout(igGetVersion(), sizeof(ImGuiIO), sizeof(ImGuiStyle),