From fd692ab7bb9f7b1e8f5d878a16154a4a03d0f6f9 Mon Sep 17 00:00:00 2001
From: Zuhaitz Méndez Fernández de Aránguiz <zuhaitz@debian>
Date: Wed, 28 Jan 2026 19:52:37 +0000
Subject: Opaque structs and aliases + some improvements

---
 src/parser/parser.h | 26 +++++++++++++-------------
 1 file changed, 13 insertions(+), 13 deletions(-)

(limited to 'src/parser/parser.h')

diff --git a/src/parser/parser.h b/src/parser/parser.h
index cf57971..262c359 100644
--- a/src/parser/parser.h
+++ b/src/parser/parser.h
@@ -261,6 +261,8 @@ typedef struct TypeAlias
     char *alias;         ///< New type name.
     char *original_type; ///< Original type.
     struct TypeAlias *next;
+    int is_opaque;
+    char *defined_in_file;
 } TypeAlias;
 
 /**
@@ -514,12 +516,9 @@ char *sanitize_mangled_name(const char *name);
 /**
  * @brief Registers a type alias.
  */
-void register_type_alias(ParserContext *ctx, const char *alias, const char *original);
-
-/**
- * @brief Finds a type alias.
- */
-const char *find_type_alias(ParserContext *ctx, const char *alias);
+TypeAlias *find_type_alias_node(ParserContext *ctx, const char *name);
+void register_type_alias(ParserContext *ctx, const char *alias, const char *original, int is_opaque,
+                         const char *defined_in_file);
 
 /**
  * @brief Registers an implementation.
@@ -681,10 +680,6 @@ void register_selective_import(ParserContext *ctx, const char *symbol, const cha
 SelectiveImport *find_selective_import(ParserContext *ctx, const char *name);
 
 // Type Aliases
-/**
- * @brief Registers a type alias.
- */
-void register_type_alias(ParserContext *ctx, const char *alias, const char *original);
 
 /**
  * @brief Finds a type alias.
@@ -740,6 +735,11 @@ FuncSig *find_func(ParserContext *ctx, const char *name);
  */
 Type *parse_type_formal(ParserContext *ctx, Lexer *l);
 
+/**
+ * @brief Checks compatibility of opaque aliases (allows access within defining file).
+ */
+int check_opaque_alias_compat(ParserContext *ctx, Type *a, Type *b);
+
 /**
  * @brief Parses a type.
  */
@@ -889,7 +889,7 @@ ASTNode *parse_def(ParserContext *ctx, Lexer *l);
 /**
  * @brief Parses a type alias.
  */
-ASTNode *parse_type_alias(ParserContext *ctx, Lexer *l);
+ASTNode *parse_type_alias(ParserContext *ctx, Lexer *l, int is_opaque);
 
 /**
  * @brief Parses a function definition.
@@ -899,7 +899,7 @@ ASTNode *parse_function(ParserContext *ctx, Lexer *l, int is_async);
 /**
  * @brief Parses a struct definition.
  */
-ASTNode *parse_struct(ParserContext *ctx, Lexer *l, int is_union);
+ASTNode *parse_struct(ParserContext *ctx, Lexer *l, int is_union, int is_opaque);
 
 /**
  * @brief Parses an enum definition.
@@ -963,4 +963,4 @@ char *patch_self_args(const char *args, const char *struct_name);
  */
 ASTNode *parse_program_nodes(ParserContext *ctx, Lexer *l);
 
-#endif // PARSER_H
+#endif // PARSER_H
\ No newline at end of file
-- 
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