(Placeholder) SLJIT support

.devcontainer/Dockerfile

@@ -0,0 +1,19 @@
+FROM mcr.microsoft.com/devcontainers/cpp:1-ubuntu-24.04
+
+ARG REINSTALL_CMAKE_VERSION_FROM_SOURCE="none"
+
+# Optionally install the cmake for vcpkg
+COPY ./reinstall-cmake.sh /tmp/
+
+RUN if [ "${REINSTALL_CMAKE_VERSION_FROM_SOURCE}" != "none" ]; then \
+        chmod +x /tmp/reinstall-cmake.sh && /tmp/reinstall-cmake.sh ${REINSTALL_CMAKE_VERSION_FROM_SOURCE}; \
+    fi \
+    && rm -f /tmp/reinstall-cmake.sh
+
+# [Optional] Uncomment this section to install additional vcpkg ports.
+# RUN su vscode -c "${VCPKG_ROOT}/vcpkg install <your-port-name-here>"
+
+# [Optional] Uncomment this section to install additional packages.
+RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
+    && apt-get -y install --no-install-recommends clangd shellcheck tcc \
+    && apt-get autoremove -y && apt-get clean -y && rm -rf /var/lib/apt/lists/*

.devcontainer/devcontainer.json

@@ -0,0 +1,60 @@
+// For format details, see https://aka.ms/devcontainer.json. For config options, see the
+// README at: https://github.com/devcontainers/templates/tree/main/src/cpp
+{
+  "name": "QuickJS-ng Devcontainer",
+  "build": {
+    "dockerfile": "Dockerfile"
+  },
+
+  // Features to add to the dev container. More info: https://containers.dev/features.
+  "features": {},
+
+  // Use 'forwardPorts' to make a list of ports inside the container available locally.
+  // "forwardPorts": [],
+  "postCreateCommand": "git submodule update --init",
+
+  // Configure tool-specific properties.
+  "customizations": {
+    // Configure properties specific to VS Code.
+    "vscode": {
+      "settings": {
+        "workbench.colorTheme": "Visual Studio Dark - C++",
+        "workbench.preferredDarkColorTheme": "Visual Studio Dark - C++",
+        "workbench.preferredHighContrastColorTheme": "Default High Contrast",
+        "workbench.preferredLightColorTheme": "Visual Studio Light - C++",
+        "window.autoDetectColorScheme": true,
+        "[cpp]": {
+          "editor.defaultFormatter": "llvm-vs-code-extensions.vscode-clangd",
+          "editor.formatOnSave": true
+        }
+      },
+      "extensions": [
+        "bierner.markdown-preview-github-styles",
+        "cheshirekow.cmake-format",
+        "davidanson.vscode-markdownlint",
+        "eamodio.gitlens",
+        "esbenp.prettier-vscode",
+        "franneck94.vscode-c-cpp-dev-extension-pack",
+        "fredericbonnet.cmake-test-adapter",
+        "hbenl.vscode-test-explorer",
+        "josetr.cmake-language-support-vscode",
+        "llvm-vs-code-extensions.vscode-clangd",
+        "matepek.vscode-catch2-test-adapter",
+        "mhutchie.git-graph",
+        "ms-vscode.cmake-tools",
+        "ms-vscode.cpptools-extension-pack",
+        "ms-vscode.cpptools-themes",
+        "ms-vscode.cpptools",
+        "ms-vscode.remote-explorer",
+        "ms-vscode.test-adapter-converter",
+        "redhat.vscode-yaml",
+        "solomonkinard.workspace-include-what-you-use",
+        "sr-team.vscode-clangd-cmake",
+        "streetsidesoftware.code-spell-checker",
+        "timonwong.shellcheck",
+        "vadimcn.vscode-lldb",
+        "xaver.clang-format"
+      ]
+    }
+  }
+}

.devcontainer/reinstall-cmake.sh

@@ -0,0 +1,59 @@
+#!/usr/bin/env bash
+#-------------------------------------------------------------------------------------------------------------
+# Copyright (c) Microsoft Corporation. All rights reserved.
+# Licensed under the MIT License. See https://go.microsoft.com/fwlink/?linkid=2090316 for license information.
+#-------------------------------------------------------------------------------------------------------------
+#
+set -e
+
+CMAKE_VERSION=${1:-"none"}
+
+if [ "${CMAKE_VERSION}" = "none" ]; then
+    echo "No CMake version specified, skipping CMake reinstallation"
+    exit 0
+fi
+
+# Cleanup temporary directory and associated files when exiting the script.
+cleanup() {
+    EXIT_CODE=$?
+    set +e
+    if [[ -n "${TMP_DIR}" ]]; then
+        echo "Executing cleanup of tmp files"
+        rm -Rf "${TMP_DIR}"
+    fi
+    exit $EXIT_CODE
+}
+trap cleanup EXIT
+
+
+echo "Installing CMake..."
+apt-get -y purge --auto-remove cmake
+mkdir -p /opt/cmake
+
+architecture=$(dpkg --print-architecture)
+case "${architecture}" in
+    arm64)
+        ARCH=aarch64 ;;
+    amd64)
+        ARCH=x86_64 ;;
+    *)
+        echo "Unsupported architecture ${architecture}."
+        exit 1
+        ;;
+esac
+
+CMAKE_BINARY_NAME="cmake-${CMAKE_VERSION}-linux-${ARCH}.sh"
+CMAKE_CHECKSUM_NAME="cmake-${CMAKE_VERSION}-SHA-256.txt"
+TMP_DIR=$(mktemp -d -t cmake-XXXXXXXXXX)
+
+echo "${TMP_DIR}"
+cd "${TMP_DIR}"
+
+curl -sSL "https://github.com/Kitware/CMake/releases/download/v${CMAKE_VERSION}/${CMAKE_BINARY_NAME}" -O
+curl -sSL "https://github.com/Kitware/CMake/releases/download/v${CMAKE_VERSION}/${CMAKE_CHECKSUM_NAME}" -O
+
+sha256sum -c --ignore-missing "${CMAKE_CHECKSUM_NAME}"
+sh "${TMP_DIR}/${CMAKE_BINARY_NAME}" --prefix=/opt/cmake --skip-license
+
+ln -s /opt/cmake/bin/cmake /usr/local/bin/cmake
+ln -s /opt/cmake/bin/ctest /usr/local/bin/ctest

.gitignore

@@ -12,3 +12,4 @@ CMakeUserPresets.json
 fuzz
 .vscode/
 microbench*.txt
+.cache/

.gitmodules

@@ -3,3 +3,9 @@
 	url = https://github.com/tc39/test262
 	shallow = true
 	update = none
+[submodule "sljit"]
+	path = sljit
+	url = https://github.com/zherczeg/sljit
+[submodule "zydis"]
+	path = zydis
+	url = https://github.com/zyantific/zydis

CMakeLists.txt

@@ -149,6 +149,7 @@ xoption(QJS_ENABLE_ASAN "Enable AddressSanitizer (ASan)" OFF)
 xoption(QJS_ENABLE_MSAN "Enable MemorySanitizer (MSan)" OFF)
 xoption(QJS_ENABLE_TSAN "Enable ThreadSanitizer (TSan)" OFF)
 xoption(QJS_ENABLE_UBSAN "Enable UndefinedBehaviorSanitizer (UBSan)" OFF)
+xoption(QJS_ENABLE_SLJIT "Enable sljit" ON)
 
 if(QJS_ENABLE_ASAN)
 message(STATUS "Building with ASan")
@@ -279,6 +280,39 @@ if(EMSCRIPTEN)
     target_link_libraries(qjs_wasm m)
 endif()
 
+if (QJS_ENABLE_SLJIT)
+
+if(CMAKE_BUILD_TYPE MATCHES "Debug")
+xoption(QJS_SLJIT_DEBUG "sljit debug mode" ON)
+xoption(QJS_SLJIT_VERBOSE "sljit verbose mode" ON)
+else()
+xoption(QJS_SLJIT_DEBUG "sljit debug mode" OFF)
+xoption(QJS_SLJIT_VERBOSE "sljit verbose mode" OFF)
+endif()
+
+file(GLOB SLJIT_SRC
+       ${CMAKE_CURRENT_SOURCE_DIR}/sljit/sljit_src/sljitLir.c
+)
+
+add_library(sljit ${SLJIT_SRC})
+target_include_directories(sljit PUBLIC 
+    $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/sljit/sljit_src>  
+    $<INSTALL_INTERFACE:sljit/sljit_src>
+)
+target_link_libraries(qjs PRIVATE sljit)
+
+if (QJS_SLJIT_DEBUG)
+    target_compile_definitions(sljit PUBLIC SLJIT_DEBUG=1)
+endif()
+
+if (QJS_SLJIT_VERBOSE)
+    target_compile_definitions(sljit PUBLIC SLJIT_VERBOSE=1)
+    add_subdirectory(zydis)
+    target_link_libraries(qjs PRIVATE Zydis::Zydis)
+    target_compile_options(Zycore PRIVATE -Wno-format-nonliteral)
+endif()
+
+endif()
 
 # QuickJS bytecode compiler
 #
@@ -441,4 +475,11 @@ if(NOT IOS)
     install(EXPORT qjsConfig DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/quickjs)
     install(FILES LICENSE DESTINATION ${CMAKE_INSTALL_DOCDIR})
     install(DIRECTORY examples DESTINATION ${CMAKE_INSTALL_DOCDIR})
+
+    if(QJS_ENABLE_SLJIT)
+        install(TARGETS sljit EXPORT qjsConfig
+            RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+            LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+            ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
+    endif()
 endif()