From 046d5cb6092dcb0c9b485ab5a3512a69b70c0f94 Mon Sep 17 00:00:00 2001
From: Andre Wagner <andre.nho@gmail.com>
Date: Wed, 29 Apr 2026 14:14:33 -0500
Subject: [PATCH] .

---
 CMakeLists.txt                    | 10 ++++++---
 src/bytecode/bytearray.cc         |  7 ++-----
 src/bytecode/bytecode.hh          |  1 +
 src/bytecode/bytecodeprototype.hh |  1 +
 src/bytecode/tests.cc             |  1 -
 src/vm/code.cc                    |  6 ++++--
 src/vm/code.hh                    |  2 +-
 src/vm/tests.cc                   | 35 +++++++++++++++++++++++++++++++
 8 files changed, 51 insertions(+), 12 deletions(-)
 create mode 100644 src/vm/tests.cc

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 64f8546..81b6b6c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -82,16 +82,20 @@ add_executable(${PROJECT_NAME}-bytecode-test src/bytecode/tests.cc)
 target_link_libraries(${PROJECT_NAME}-bytecode-test lib${PROJECT_NAME} gtest_main)
 add_test(NAME tyche_bytecode_test COMMAND ${PROJECT_NAME}-bytecode-test)
 
+add_executable(${PROJECT_NAME}-vm-test src/vm/tests.cc)
+target_link_libraries(${PROJECT_NAME}-vm-test lib${PROJECT_NAME} gtest_main)
+add_test(NAME tyche_vm_test COMMAND ${PROJECT_NAME}-vm-test)
+
 #
 # check for leaks
 #
 
-add_custom_target(leaks)
-add_custom_command(TARGET leaks
+add_custom_target(leaks-vm-test)
+add_custom_command(TARGET leaks-vm-test
         POST_BUILD
         COMMENT "Check for leaks using valgrind."
         WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
-        COMMAND valgrind --leak-check=full --show-leak-kinds=all --track-origins=yes --suppressions=${CMAKE_SOURCE_DIR}/valgrind.supp ./${PROJECT_NAME}
+        COMMAND valgrind --leak-check=full --show-leak-kinds=all --track-origins=yes --suppressions=${CMAKE_SOURCE_DIR}/valgrind.supp ./${PROJECT_NAME}-vm-test
 )
 
 #
diff --git a/src/bytecode/bytearray.cc b/src/bytecode/bytearray.cc
index 317218a..2af83b2 100644
--- a/src/bytecode/bytearray.cc
+++ b/src/bytecode/bytearray.cc
@@ -7,12 +7,9 @@ namespace tyche {
 
 void ByteArray::set_byte(uint32_t addr, uint8_t byte)
 {
-    try {
-        data_.at(addr) = byte;
-    } catch (std::out_of_range&) {
+    if (data_.size() < (addr + 1))
         data_.resize(addr + 1, 0);
-        data_.at(addr) = byte;
-    }
+    data_.at(addr) = byte;
 }
 
 void ByteArray::set_int8(uint32_t addr, int8_t value)
diff --git a/src/bytecode/bytecode.hh b/src/bytecode/bytecode.hh
index a6001c6..9542f89 100644
--- a/src/bytecode/bytecode.hh
+++ b/src/bytecode/bytecode.hh
@@ -8,6 +8,7 @@ namespace tyche {
 
 class Bytecode {
 public:
+    Bytecode() = default;
     explicit Bytecode(ByteArray ba);
 
     [[nodiscard]] uint32_t n_constants() const;
diff --git a/src/bytecode/bytecodeprototype.hh b/src/bytecode/bytecodeprototype.hh
index d7159fb..3f32ea9 100644
--- a/src/bytecode/bytecodeprototype.hh
+++ b/src/bytecode/bytecodeprototype.hh
@@ -6,6 +6,7 @@
 #include <variant>
 #include <vector>
 #include "constant.hh"
+#include "bytearray.hh"
 
 namespace tyche {
 
diff --git a/src/bytecode/tests.cc b/src/bytecode/tests.cc
index 83f764c..a0dc262 100644
--- a/src/bytecode/tests.cc
+++ b/src/bytecode/tests.cc
@@ -1,5 +1,4 @@
 #include "gtest/gtest.h"
-#include "gmock/gmock.h"
 
 #include <cstring>
 #include <functional>
diff --git a/src/vm/code.cc b/src/vm/code.cc
index 365e320..83fe958 100644
--- a/src/vm/code.cc
+++ b/src/vm/code.cc
@@ -4,10 +4,12 @@
 
 namespace tyche {
 
-void Code::import_bytecode(Bytecode const& incoming)
+void Code::import_bytecode(ByteArray incoming)
 {
+    Bytecode bc(std::move(incoming));
     // TODO - adjust function calls, constants
-    bytecode_ = incoming;
+
+    bytecode_ = std::move(bc);
 }
 
 std::string Code::disassemble() const
diff --git a/src/vm/code.hh b/src/vm/code.hh
index ef558a9..1a86df2 100644
--- a/src/vm/code.hh
+++ b/src/vm/code.hh
@@ -7,7 +7,7 @@ namespace tyche {
 
 class Code {
 public:
-    void import_bytecode(Bytecode const& incoming);
+    void import_bytecode(ByteArray incoming);
 
     [[nodiscard]] std::string disassemble() const;
 
diff --git a/src/vm/tests.cc b/src/vm/tests.cc
new file mode 100644
index 0000000..40b0bb0
--- /dev/null
+++ b/src/vm/tests.cc
@@ -0,0 +1,35 @@
+#include "gtest/gtest.h"
+
+#include "../bytecode/bytecodeprototype.hh"
+#include "../bytecode/bytearray.hh"
+#include "../bytecode/bytecode.hh"
+#include "code.hh"
+
+using namespace tyche;
+
+TEST(Code, ImportSingleAndDebug)
+{
+    BytecodePrototype bp;
+
+    bp.constants.emplace_back(3.14f);
+    bp.constants.emplace_back("HELLO");
+
+    bp.functions.emplace_back(0, 0);
+    bp.functions.at(0).code.append_byte(0xa0);       // pushi
+    bp.functions.at(0).code.append_int8(42);
+
+    bp.functions.emplace_back(2, 1);
+    bp.functions.at(1).code.append_byte(0x1a);      // appnd
+
+    ByteArray ba = Bytecode::generate(bp);
+
+    Code code;
+    code.import_bytecode(std::move(ba));
+    printf("%s\n", code.disassemble().c_str());
+}
+
+int main(int argc, char** argv)
+{
+    testing::InitGoogleTest(&argc, argv);
+    return RUN_ALL_TESTS();
+}