From 3f01ac0c8fef619d39f870ded1eb1c37aeef47af Mon Sep 17 00:00:00 2001
From: Matheus Catarino <matheus-catarino@hotmail.com>
Date: Sun, 12 Jan 2025 10:07:18 -0300
Subject: Add comments in D bindgen

---
 bindgen/gen_d.py | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

(limited to 'bindgen/gen_d.py')

diff --git a/bindgen/gen_d.py b/bindgen/gen_d.py
index e88205eb..a9d94601 100644
--- a/bindgen/gen_d.py
+++ b/bindgen/gen_d.py
@@ -10,6 +10,7 @@ import gen_ir
 import os
 import shutil
 import sys
+import textwrap
 
 import gen_util as util
 
@@ -124,6 +125,12 @@ def l(s):
     global out_lines
     out_lines += s + '\n'
 
+def c(s, indent=""):
+    if not s:
+        return
+    prefix = f"{indent}/// "
+    l(textwrap.indent(textwrap.dedent(s), prefix=prefix, predicate=lambda line: True))
+
 def as_d_prim_type(s):
     return prim_types[s]
 
@@ -333,6 +340,7 @@ def funcdecl_result_d(decl, prefix):
 def gen_struct(decl, prefix):
     struct_name = check_override(decl['name'])
     d_type = as_d_struct_type(struct_name, prefix)
+    c(decl.get('comment'))
     l(f"extern(C)\nstruct {d_type} {{")
     for field in decl['fields']:
         field_name = check_override(field['name'])
@@ -399,12 +407,15 @@ def gen_struct(decl, prefix):
     l("}")
 
 def gen_consts(decl, prefix):
+    c(decl.get('comment'))
     for item in decl['items']:
         item_name = check_override(item['name'])
+        c(decl.get('comment'))
         l(f"enum {util.as_lower_snake_case(item_name, prefix)} = {item['value']};")
 
 def gen_enum(decl, prefix):
     enum_name = check_override(decl['name'])
+    c(decl.get('comment'))
     l(f"enum {as_d_enum_type(enum_name, prefix)} {{")
     for item in decl['items']:
         item_name = as_enum_item_name(check_override(item['name']))
@@ -416,11 +427,13 @@ def gen_enum(decl, prefix):
     l("}")
 
 def gen_func_c(decl, prefix):
+    c(decl.get('comment'))
     l(f"extern(C) {funcdecl_result_c(decl, prefix)} {decl['name']}({funcdecl_args_c(decl, prefix)}) @system @nogc nothrow;")
 
 def gen_func_d(decl, prefix):
     c_func_name = decl['name']
     d_func_name = util.as_lower_camel_case(check_override(decl['name']), prefix)
+    c(decl.get('comment'))
     if c_func_name in c_callbacks:
         # a simple forwarded C callback function
         l(f"alias {d_func_name} = {c_func_name};")
@@ -505,7 +518,7 @@ def gen(c_header_path, c_prefix, dep_c_prefixes):
     print(f'  {c_header_path} => {module_name}')
     reset_globals()
     shutil.copyfile(c_header_path, f'sokol-d/src/sokol/c/{os.path.basename(c_header_path)}')
-    ir = gen_ir.gen(c_header_path, c_source_path, module_name, c_prefix, dep_c_prefixes)
+    ir = gen_ir.gen(c_header_path, c_source_path, module_name, c_prefix, dep_c_prefixes, with_comments=True)
     gen_module(ir, dep_c_prefixes)
     output_path = f"sokol-d/src/sokol/{ir['module']}.d"
     with open(output_path, 'w', newline='\n') as f_outp:
-- 
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