add macro to rename enum fields to match original bindings

Author: YesDrX

scripts/generate_bindings.nims

@@ -37,15 +37,20 @@ exec cmd
 
 ## Step 2: add the following code to include webui/bindings_include.nim, which defines some necessary macros and types
 # fix the generated bindings file
-let code_to_inject = """
+let code_prefix = """
 ## This file is automatically generated by command : "nim scripts/generate_bindings.nims"
 ## Do not edit this file directly
 ## 
 
-include ./bindings_include.nim
+include ./bindings_prefix.nim
 
 """
 
+let code_suffix = """
+
+include ./bindings_suffix.nim
+"""
+
 ### Step 3: remove compiler related "when defined" blocks; add webui pragma; fix function names; fix callback annotations
 
 ## blocks like when defined(_WIN32) are commented out
@@ -134,13 +139,27 @@ proc fixCallbackAnnotation(code: string): string =
     if prev_end < code.len:
         result &= code[prev_end ..< code.len]
 
+## add enum pragma to generate legacy constants
+proc addEnumPragma(code: string): string =
+    code.replace(
+        "* = enum", "* {.renameEnumFields.} = enum"
+    ).replace(
+        "WEBUI_EVENT_", "WEBUI_EVENTS_"
+    )
+
+    # code.replace(
+    #     "WEBUI_EVENT_", "WEBUI_EVENTS_"
+    # )
+
 ## fix the generated code
-let modified_code = (code_to_inject & readFile(bindings_path)).removeWhenDefined(
+let modified_code = (code_prefix & readFile(bindings_path) & code_suffix).removeWhenDefined(
     ).addWebuiPragma(
     ).fixFunctionName(
     ).fixCallbackAnnotation(
+    ).addEnumPragma(
     )
 
+
 ## output the final code
 writeFile(
     bindings_path,

webui/bindings.nim

@@ -2,7 +2,7 @@
 ## Do not edit this file directly
 ## 
 
-include ./bindings_include.nim
+include ./bindings_prefix.nim
 
 const
   WEBUI_VERSION* = "2.5.0-beta.3" ##
@@ -64,7 +64,7 @@ const
 #     WEBUI_PCLOSE* = pclose
 #     WEBUI_MAX_PATH* = PATH_MAX
 type
-  WebuiBrowser* = enum          ##  -- Enums ---------------------------
+  WebuiBrowser* {.renameEnumFields.} = enum          ##  -- Enums ---------------------------
     NoBrowser = 0,              ##  0. No web browser
     AnyBrowser = 1,             ##  1. Default recommended web browser
     Chrome,                   ##  2. Google Chrome
@@ -82,28 +82,28 @@ type
 
 
 type
-  WebuiRuntime* = enum
+  WebuiRuntime* {.renameEnumFields.} = enum
     None = 0,                   ##  0. Prevent WebUI from using any runtime for .js and .ts files
     Deno,                     ##  1. Use Deno runtime for .js and .ts files
     NodeJS,                   ##  2. Use Nodejs runtime for .js files
     Bun                       ##  3. Use Bun runtime for .js and .ts files
 
 
 type
-  WebuiEvent* = enum
-    WEBUI_EVENT_DISCONNECTED = 0, ##  0. Window disconnection event
-    WEBUI_EVENT_CONNECTED,    ##  1. Window connection event
-    WEBUI_EVENT_MOUSE_CLICK,  ##  2. Mouse click event
-    WEBUI_EVENT_NAVIGATION,   ##  3. Window navigation event
-    WEBUI_EVENT_CALLBACK      ##  4. Function call event
+  WebuiEvent* {.renameEnumFields.} = enum
+    WEBUI_EVENTS_DISCONNECTED = 0, ##  0. Window disconnection event
+    WEBUI_EVENTS_CONNECTED,    ##  1. Window connection event
+    WEBUI_EVENTS_MOUSE_CLICK,  ##  2. Mouse click event
+    WEBUI_EVENTS_NAVIGATION,   ##  3. Window navigation event
+    WEBUI_EVENTS_CALLBACK      ##  4. Function call event
 
 
 type ##  Control if `webui_show()`, `webui_show_browser()` and
     ##  `webui_show_wv()` should wait for the window to connect
     ##  before returns or not.
     ##
     ##  Default: True
-  WebuiConfig* = enum
+  WebuiConfig* {.renameEnumFields.} = enum
     show_wait_connection = 0, ##  Control if WebUI should block and process the UI events
                            ##  one a time in a single thread `True`, or process every
                            ##  event in a new non-blocking thread `False`. This updates
@@ -1224,4 +1224,5 @@ proc interface_script_client*(window: csize_t; event_number: csize_t;
   ##  @return Returns True if there is no execution error
   ##
   ##  @example bool err = webui_script_client(e, "return 4 + 6;", 0, myBuffer, myBufferSize);
-  ## 
+  ## 
+include ./bindings_suffix.nim