From 3f995db65bef3ceca5a7916b1316379b60ee12b7 Mon Sep 17 00:00:00 2001
From: Abdelrahman <said.abdelrahman89@gmail.com>
Date: Sun, 7 Sep 2025 20:44:57 +0100
Subject: [PATCH] Implement stringifying source

---
 ccodegen/datatypes.c | 59 ++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 57 insertions(+), 2 deletions(-)

diff --git a/ccodegen/datatypes.c b/ccodegen/datatypes.c
index 5a4df90..454bc80 100644
--- a/ccodegen/datatypes.c
+++ b/ccodegen/datatypes.c
@@ -54,8 +54,10 @@ void cobject_to_string(Str8 *dst, const CObject *object) {
       cinclude_to_string(dst, &(object->object.c_include));
       break;
     case COBJECT_CHEADER:
+      cheader_to_string(dst, &(object->object.c_header));
       break;
     case COBJECT_CSOURCE:
+      csource_to_string(dst, &(object->object.c_source));
       break;
     default:
       break;
@@ -437,8 +439,61 @@ void cheader_to_string(Str8 *dst, const CHeader *cheader) {
 }
 
 void csource_to_string(Str8 *dst, const CSource *csource) {
-  (void)dst;
-  (void)csource;
+  wapp_debug_assert(dst != NULL && csource != NULL, "`dst` and `csource` should not be NULL");
+
+  Allocator arena = wapp_mem_arena_allocator_init(MB(64));
+  Str8 *output = wapp_str8_alloc_buf(&arena, KB(32));
+  Str8 *internal_funcs_def = wapp_str8_alloc_buf(&arena, KB(16));
+  wapp_runtime_assert(output != NULL && internal_funcs_def != NULL, "Failed to allocate buffer");
+
+  Str8 tmp = wapp_str8_buf(CCGEN_BUF_MAX);
+
+  for (u64 i = 0; i < csource->includes.node_count; ++i) {
+    cinclude_to_string(&tmp, wapp_cinclude_list_get(&(csource->includes), i)->item);
+    wapp_str8_alloc_concat(&arena, output, &tmp);
+  }
+  if (csource->includes.node_count > 0) { wapp_str8_alloc_concat(&arena, output, &wapp_str8_lit_ro("\n")); }
+
+  for (u64 i = 0; i < csource->macros.node_count; ++i) {
+    cmacro_to_string(&tmp, wapp_cmacro_list_get(&(csource->macros), i)->item);
+    wapp_str8_alloc_concat(&arena, output, &tmp);
+  }
+  if (csource->macros.node_count > 0) { wapp_str8_alloc_concat(&arena, output, &wapp_str8_lit_ro("\n")); }
+
+  for (u64 i = 0; i < csource->decl_types.node_count; ++i) {
+    declare_cstruct(&tmp, wapp_cstruct_list_get(&(csource->decl_types), i)->item);
+    wapp_str8_alloc_concat(&arena, output, &tmp);
+  }
+  if (csource->decl_types.node_count > 0) { wapp_str8_alloc_concat(&arena, output, &wapp_str8_lit_ro("\n")); }
+
+  for (u64 i = 0; i < csource->types.node_count; ++i) {
+    cusertype_to_string(&tmp, wapp_cusertype_list_get(&(csource->types), i)->item);
+    wapp_str8_concat_capped(&tmp, &wapp_str8_lit_ro("\n"));
+    wapp_str8_alloc_concat(&arena, output, &tmp);
+  }
+
+  Str8RO _internal = wapp_str8_lit_ro("internal ");
+  for (u64 i = 0; i < csource->internal_funcs.node_count; ++i) {
+    declare_cfunc(&tmp, wapp_cfunc_list_get(&(csource->internal_funcs), i)->item);
+    wapp_str8_alloc_concat(&arena, output, &_internal);
+    wapp_str8_alloc_concat(&arena, output, &tmp);
+
+    define_cfunc(&tmp, wapp_cfunc_list_get(&(csource->internal_funcs), i)->item);
+    wapp_str8_alloc_concat(&arena, internal_funcs_def, &_internal);
+    wapp_str8_alloc_concat(&arena, internal_funcs_def, &tmp);
+  }
+  if (csource->internal_funcs.node_count > 0) { wapp_str8_alloc_concat(&arena, output, &wapp_str8_lit_ro("\n")); }
+
+  for (u64 i = 0; i < csource->funcs.node_count; ++i) {
+    define_cfunc(&tmp, wapp_cfunc_list_get(&(csource->funcs), i)->item);
+    wapp_str8_alloc_concat(&arena, output, &tmp);
+  }
+
+  wapp_runtime_assert(output->size + internal_funcs_def->size <= dst->capacity, ERR_MSG);
+  wapp_str8_copy_str8_capped(dst, output);
+  wapp_str8_concat_capped(dst, internal_funcs_def);
+
+  wapp_mem_arena_allocator_destroy(&arena);
 }
 
 b32 cheaderinclude_to_string(Str8 *dst, const CHeaderInclude *cheaderinclude) {