From 0541068c2ba15304fd621dbfe3a08f774833a876 Mon Sep 17 00:00:00 2001
From: lisyarus <lisyarus@gmail.com>
Date: Fri, 13 Mar 2026 11:09:39 +0300
Subject: [PATCH] Improve 'not implemented' error messages

---
 libs/interpreter/source/foreign.cpp       |  2 +-
 libs/jit/source/arch/aarch64/compiler.cpp | 17 +++++++++++------
 2 files changed, 12 insertions(+), 7 deletions(-)

diff --git a/libs/interpreter/source/foreign.cpp b/libs/interpreter/source/foreign.cpp
index 31204fb..9019544 100644
--- a/libs/interpreter/source/foreign.cpp
+++ b/libs/interpreter/source/foreign.cpp
@@ -6,7 +6,7 @@ namespace pslang::interpreter
 
 	value exec_foreign(context & context, void * pointer, types::type const & return_type, std::vector<value> args)
 	{
-		throw std::runtime_error("Not implemented");
+		throw std::runtime_error("exec_foreign is not implemented");
 	}
 
 }
\ No newline at end of file
diff --git a/libs/jit/source/arch/aarch64/compiler.cpp b/libs/jit/source/arch/aarch64/compiler.cpp
index 9ed3e9a..dcfa948 100644
--- a/libs/jit/source/arch/aarch64/compiler.cpp
+++ b/libs/jit/source/arch/aarch64/compiler.cpp
@@ -9,6 +9,7 @@
 #include <type_traits>
 #include <unordered_map>
 #include <vector>
+#include <sstream>
 
 namespace pslang::jit::aarch64
 {
@@ -256,7 +257,7 @@ namespace pslang::jit::aarch64
 			template <typename T>
 			void apply(T const &)
 			{
-				throw std::runtime_error("Not implemented");
+				throw std::runtime_error(std::string("reg_extend_visitor is not implemented for ") + typeid(T).name());
 			}
 		};
 
@@ -298,7 +299,7 @@ namespace pslang::jit::aarch64
 			template <typename Node>
 			void apply(Node const &)
 			{
-				throw std::runtime_error("Not implemented");
+				throw std::runtime_error(std::string("compile_function_visitor is not implemented for ") + typeid(Node).name());
 			}
 
 			void apply(ast::bool_literal const & node)
@@ -477,7 +478,7 @@ namespace pslang::jit::aarch64
 						break;
 					case ast::binary_operation_type::remainder:
 						// TODO: implement via div & mul & sub
-						throw std::runtime_error("Not implemented");
+						throw std::runtime_error("remainder operator is not implemented");
 					case ast::binary_operation_type::binary_and:
 						builder.and_reg(1, 0, 0);
 						break;
@@ -599,7 +600,11 @@ namespace pslang::jit::aarch64
 						}
 						break;
 					default:
-						throw std::runtime_error("Not implemented");
+						{
+							std::ostringstream os;
+							os << "binary operation " << node.type << " is not implemented";
+							throw std::runtime_error(os.str());
+						}
 				}
 			}
 
@@ -709,7 +714,7 @@ namespace pslang::jit::aarch64
 			{
 				auto identifier = std::get_if<ast::identifier>(node.lhs.get());
 				if (!identifier)
-					throw std::runtime_error("Not implemented");
+					throw std::runtime_error("assignment for non-identifier lhs is not implemented");
 
 				apply(*node.rhs);
 
@@ -923,7 +928,7 @@ namespace pslang::jit::aarch64
 			template <typename Statement>
 			void apply(Statement const &)
 			{
-				throw std::runtime_error("Not implemented");
+				throw std::runtime_error(std::string("compile_visitor is not implemented for ") + typeid(Statement).name());
 			}
 
 			void apply(ast::function_definition const & node)