More order independent globals

new_ast.cpp

@@ -211,9 +211,11 @@ struct Ast_Array: Ast_Expr{
   Ast_Expr *expr;
 };
 
+struct Ast_Resolved_Type;
 struct Ast_Struct: Ast_Expr{
   // Required to be Ast_Struct or Ast_Var or Ast_Const
   Array<Ast *> members;
+  Ast_Resolved_Type *type;
 };
 
 struct Ast_Named:Ast{
@@ -469,11 +471,20 @@ ast_package(Token *pos, String name, Array<Ast_Named *> decls){
 // Utillities
 //-----------------------------------------------------------------------------
 function Ast_Struct *
-const_get_struct(Ast *ast){
+const_try_getting_struct(Ast *ast){
   assert(ast->kind == AST_CONST);
   Ast_Const *constant = (Ast_Const *)ast;
-  assert(constant->value->kind == AST_STRUCT);
-  return (Ast_Struct *)constant->value;
+  if(constant->value->kind == AST_STRUCT){
+    return (Ast_Struct *)constant->value;
+  }
+  return 0;
+}
+
+function Ast_Struct *
+const_get_struct(Ast *ast){
+  auto result = const_try_getting_struct(ast);
+  assert(result);
+  return result;
 }
 
 function Intern_String
@@ -482,3 +493,13 @@ ast_get_name(Ast *ast){
   auto constant = (Ast_Named *)ast;
   return constant->name;
 }
+
+function B32
+ast_is_struct(Ast *ast){
+  if(ast->kind == AST_CONST){
+    auto a = (Ast_Const *)ast;
+    B32 result = a->agg->kind == AST_STRUCT;
+    return result;
+  }
+  return false;
+}