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What is CPP? Holy shit... (0.38.4)

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This commit is contained in:
Johannes Findeisen 2026-01-29 05:09:15 +01:00
commit d79815e366
10 changed files with 158 additions and 4 deletions
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45
CMakeLists.txt
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@ -1,5 +1,5 @@
cmake_minimum_required(VERSION 3.10)
project(fun VERSION 0.38.3 LANGUAGES C)
project(fun VERSION 0.38.4 LANGUAGES C)
set(CMAKE_C_STANDARD 99)
set(CMAKE_C_STANDARD_REQUIRED ON)
@ -19,14 +19,21 @@ else()
set(_FUN_DEBUG_STATE "DISABLED")
endif()
if(FUN_WITH_RUST)
set(_FUN_WITH_RUST_STATE "ENABLED")
if(FUN_WITH_CPP)
set(_FUN_WITH_CPP_STATE "ENABLED")
else()
set(_FUN_WITH_RUST_STATE "DISABLED")
set(_FUN_WITH_CPP_STATE "DISABLED")
endif()
if(FUN_WITH_RUST)
set(_FUN_WITH_RUST_STATE "ENABLED")
else()
set(_FUN_WITH_RUST_STATE "DISABLED")
endif()
message(STATUS "==== Fun build options ====")
message(STATUS " FUN_DEBUG: ${_FUN_DEBUG_STATE}")
message(STATUS " FUN_WITH_CPP: ${_FUN_WITH_CPP_STATE}")
message(STATUS " FUN_WITH_RUST: ${_FUN_WITH_RUST_STATE}")
message(STATUS "===========================")
@ -98,6 +105,36 @@ if(FUN_WITH_RUST)
endif()
endif()
# --- Optional C++ opcode demo ---
option(FUN_WITH_CPP "Build and link C++ opcode demo" OFF)
if(FUN_WITH_CPP)
enable_language(CXX)
add_library(fun_cpp_ops STATIC
src/vm/cpp/add.cpp
)
# Compile definitions propagate to C targets that dispatch the opcode
target_compile_definitions(fun_cpp_ops PUBLIC FUN_WITH_CPP)
target_include_directories(fun_cpp_ops PUBLIC ${CMAKE_SOURCE_DIR}/src)
# Link the C++ ops into the core so executables can call them
if(TARGET fun_core)
target_link_libraries(fun_core PRIVATE fun_cpp_ops)
target_compile_definitions(fun_core PRIVATE FUN_WITH_CPP)
endif()
# Also propagate to test targets (if they might use it)
if(TARGET test_opcodes)
target_link_libraries(test_opcodes PRIVATE fun_cpp_ops)
target_compile_definitions(test_opcodes PRIVATE FUN_WITH_CPP)
endif()
if(TARGET fun)
target_compile_definitions(fun PRIVATE FUN_WITH_CPP)
endif()
endif()
# --- Size optimization for final binaries (Release) ---
# Enable function/data sectioning for better GC; safe for all configs.
add_compile_options(-ffunction-sections -fdata-sections)