Add runner args abstraction and fix shm on macOS/BSD (#134)

* add runner args abstraction to allow different args patterns in various terminal apps; fix macOS shm IPC * extend platform support from Linux to XDG desktop * update build docs for Unix * improve terminal args pattern migration for macOS
2023-09-05 19:14:08 +08:00 · 2023-09-05 19:14:08 +08:00 · 7cf5d21b48
parent 18aa239b40
commit 7cf5d21b48
35 changed files with 1150 additions and 246 deletions
--- a/BUILD.md
+++ b/BUILD.md
@ -198,11 +198,33 @@ To build with VS 2017 or later in Command Prompt:
   "%JOM%" install
   ```

-# Linux
+# Linux and Other freedesktop.org-conforming (XDG) Desktop Systems

- - Install gcc and qt5
- - Optionally install fcitx5-qt for building with static version of Qt
- - Open `Red_Panda_CPP.pro` with Qt Creator
+General steps:
+
+- Install recent version of GCC (≥ 7) or Clang (≥ 6) that supports C++17.
+- Install Qt 5 (≥ 5.12) Base, SVG and Tools modules, including both libraries and development files.
+- Optionally install fcitx5-qt for building with static Qt library.
+- Optionally install Qt Creator for development.
+
+For build only:
+
+1. Configure:
+   ```bash
+   qmake PREFIX=/usr/local /path/to/src/Red_Panda_CPP.pro
+   ```
+2. Make:
+   ```bash
+   make -j$(nproc)
+   ```
+3. Install:
+   ```bash
+   sudo make install
+   ```
+
+For development:
+
+1. Open `Red_Panda_CPP.pro` with Qt Creator

 qmake variables:
 - `PREFIX`: default to `/usr/local`. It should be set to `/usr` or `/opt/redpanda-cpp` when packaging.
@ -296,7 +318,7 @@ Enter `RedPandaIDE` to launch RedPanda C++.

 Note that makepkg checks out HEAD of the repo, so any change should be committed before building.

-## AppImage
+## Linux AppImage

 1. Install dependency: Docker or Podman.

@ -336,9 +358,9 @@ Note that makepkg checks out HEAD of the repo, so any change should be committed

 It is possible to build Red Panda C++ for foreign architectures using targets’ native toolchains with QEMU user space emulation.

-Note: Always run emulated native build **in containers**. Mixing architectures may kill your system.
+Note: Always run emulated native build **in containers or jails**. Mixing architectures may kill your system.

-For Linux host, install statically linked QEMU user space emulator (package name is likely `qemu-user-static`) and make sure that binfmt support is enabled.
+For Linux or BSD host, install statically linked QEMU user space emulator (package name is likely `qemu-user-static`) and make sure that binfmt support is enabled.

 For Windows host, Docker and Podman should have QEMU user space emulation enabled. If not,
 * For Docker:
@ -350,3 +372,38 @@ For Windows host, Docker and Podman should have QEMU user space emulation enable
  wsl -d podman-machine-default sudo cp /usr/lib/binfmt.d/qemu-aarch64-static.conf /proc/sys/fs/binfmt_misc/register
  wsl -d podman-machine-default sudo cp /usr/lib/binfmt.d/qemu-riscv64-static.conf /proc/sys/fs/binfmt_misc/register
  ```
+
+# macOS
+
+## Qt.io Qt Library
+
+Prerequisites:
+
+0. macOS 10.13 or later.
+1. Install Xcode Command Line Tools:
+   ```zsh
+   xcode-select --install
+   ```
+2. Install Qt with online installer from [Qt.io](https://www.qt.io/download-qt-installer-oss).
+   - Select the library (in _Qt_ group, _Qt 5.15.2_ subgroup, check _macOS_).
+
+Build:
+
+1. Set related variables:
+   ```bash
+   SRC_DIR="~/redpanda-src"
+   BUILD_DIR="~/redpanda-build"
+   INSTALL_DIR="~/redpanda-pkg"
+   ```
+2. Navigate to build directory:
+   ```bash
+   rm -rf "$BUILD_DIR" # optional for clean build
+   mkdir -p "$BUILD_DIR" && cd "$BUILD_DIR"
+   ```
+3. Configure, build and install:
+   ```bash
+   ~/Qt/5.15.2/clang_64/bin/qmake PREFIX="$INSTALL_DIR" "$SRC_DIR/Red_Panda_CPP.pro"
+   make -j$(sysctl -n hw.logicalcpu)
+   make install
+   ~/Qt/5.15.2/clang_64/bin/macdeployqt "$INSTALL_DIR/bin/RedPandaIDE.app"
+   ```
--- a/BUILD_cn.md
+++ b/BUILD_cn.md
@ -198,12 +198,33 @@
   "%JOM%" install
   ```

-# Linux
+# Linux 和其他符合 freedesktop.org（XDG）规范的桌面系统

-步骤:
- - 安装 gcc 和 qt5开发相关包
- - 如果使用静态版本的 Qt 编译，还要安装 fcitx5-qt
- - 使用qtcreator打开Red_Panda_CPP.pro文件
+通用步骤:
+
+- 安装支持 C++17 的 GCC（≥ 7）或 Clang（≥ 6）。
+- 安装 Qt 5（≥ 5.12）Base、SVG、Tools 模块，包括库和开发文件。
+- 如果使用静态版本的 Qt 编译，还要安装 fcitx5-qt。
+- 根据需要，安装 Qt Creator 用于开发。
+
+仅构建：
+
+1. 配置：
+   ```bash
+   qmake PREFIX=/usr/local /path/to/src/Red_Panda_CPP.pro
+   ```
+2. 构建：
+   ```bash
+   make -j$(nproc)
+   ```
+3. 安装：
+   ```bash
+   sudo make install
+   ```
+
+开发：
+
+1. 使用 Qt Creator 打开 `Red_Panda_CPP.pro` 文件。

 qmake 变量:
 - `PREFIX`：默认值是 `/usr/local`。打包时应该定义为 `/usr` 或 `/opt/redpanda-cpp`。
@ -297,7 +318,7 @@ Windows 宿主的额外要求：

 注意：makepkg 签出此存储库的 HEAD，因此构建之前务必提交所有变更。

-## AppImage
+## Linux AppImage

 1. 安装依赖包：Docker 或 Podman。

@ -337,9 +358,9 @@ Windows 宿主的额外要求：

 可以借助 QEMU 用户空间模拟，运行目标架构的本机工具链，来构建小熊猫 C++。

-注意：始终**在容器中**运行模拟本机构建，因为混用不同架构的程序和库可能会损坏系统。
+注意：始终**在容器或 jail 中**运行模拟本机构建，因为混用不同架构的程序和库可能会损坏系统。

-对于 Linux 宿主，需要安装静态链接的 QEMU 用户空间模拟器（包名通常为 `qemu-user-static`）并确认已经启用 binfmt 支持。
+对于 Linux 或 BSD 宿主，需要安装静态链接的 QEMU 用户空间模拟器（包名通常为 `qemu-user-static`）并确认已经启用 binfmt 支持。

 对于 Windows 宿主，Docker 和 Podman 应该已经启用了 QEMU 用户空间模拟。如果没有启用，
 * Docker：
@ -351,3 +372,38 @@ Windows 宿主的额外要求：
  wsl -d podman-machine-default sudo cp /usr/lib/binfmt.d/qemu-aarch64-static.conf /proc/sys/fs/binfmt_misc/register
  wsl -d podman-machine-default sudo cp /usr/lib/binfmt.d/qemu-riscv64-static.conf /proc/sys/fs/binfmt_misc/register
  ```
+
+# macOS
+
+## Qt.io 的 Qt 库
+
+前置条件：
+
+0. macOS 10.13 或更高版本。
+1. 安装 Xcode 命令行工具：
+   ```bash
+   xcode-select --install
+   ```
+2. 用 [Qt.io](https://www.qt.io/download-qt-installer-oss) 或[镜像站](https://mirrors.sjtug.sjtu.edu.cn/docs/qt)的在线安装器安装 Qt。
+   - 选中 Qt 库（“Qt” 组下的 “Qt 5.15.2” 小组，勾选 “macOS”）。
+
+构建：
+
+1. 设置相关变量：
+   ```bash
+   SRC_DIR="~/redpanda-src"
+   BUILD_DIR="~/redpanda-build"
+   INSTALL_DIR="~/redpanda-pkg"
+   ```
+2. 定位到构建目录：
+   ```bash
+   rm -rf "$BUILD_DIR" # 根据需要进行全新构建
+   mkdir -p "$BUILD_DIR" && cd "$BUILD_DIR"
+   ```
+3. 配置、构建、安装：
+   ```bash
+   ~/Qt/5.15.2/clang_64/bin/qmake PREFIX="$INSTALL_DIR" "$SRC_DIR/Red_Panda_CPP.pro"
+   make -j$(sysctl -n hw.logicalcpu)
+   make install
+   ~/Qt/5.15.2/clang_64/bin/macdeployqt "$INSTALL_DIR/bin/RedPandaIDE.app"
+   ```
--- a/RedPandaIDE/RedPandaIDE.pro
+++ b/RedPandaIDE/RedPandaIDE.pro
@ -29,10 +29,6 @@ contains(QMAKE_HOST.arch, x86_64):{
 }

 macos: {
-    # This package needs to be installed via homebrew before we can compile it
-    INCLUDEPATH += \
-        /opt/homebrew/opt/icu4c/include
-
    QT += gui-private

    ICON = ../macos/RedPandaIDE.icns
@ -131,6 +127,7 @@ SOURCES += \
    settingsdialog/editortooltipswidget.cpp \
    settingsdialog/environmentfolderswidget.cpp \
    settingsdialog/environmentperformancewidget.cpp \
+    settingsdialog/environmentprogramswidget.cpp \
    settingsdialog/environmentshortcutwidget.cpp \
    settingsdialog/executorproblemsetwidget.cpp \
    settingsdialog/formattergeneralwidget.cpp \
@ -254,6 +251,7 @@ HEADERS += \
    settingsdialog/editortooltipswidget.h \
    settingsdialog/environmentfolderswidget.h \
    settingsdialog/environmentperformancewidget.h \
+    settingsdialog/environmentprogramswidget.h \
    settingsdialog/environmentshortcutwidget.h \
    settingsdialog/executorproblemsetwidget.h \
    settingsdialog/formattergeneralwidget.h \
@ -349,6 +347,7 @@ FORMS += \
    settingsdialog/editortooltipswidget.ui \
    settingsdialog/environmentfolderswidget.ui \
    settingsdialog/environmentperformancewidget.ui \
+    settingsdialog/environmentprogramswidget.ui \
    settingsdialog/environmentshortcutwidget.ui \
    settingsdialog/executorproblemsetwidget.ui \
    settingsdialog/formattergeneralwidget.ui \
@ -469,21 +468,18 @@ win32: {

 unix: {
    HEADERS += \
-    settingsdialog/formatterpathwidget.h \
-    settingsdialog/environmentprogramswidget.h
+    settingsdialog/formatterpathwidget.h

    SOURCES += \
-    settingsdialog/formatterpathwidget.cpp \
-    settingsdialog/environmentprogramswidget.cpp
+    settingsdialog/formatterpathwidget.cpp

    FORMS += \
-    settingsdialog/formatterpathwidget.ui \
-    settingsdialog/environmentprogramswidget.ui
+    settingsdialog/formatterpathwidget.ui
 }

 linux: {
-    LIBS+= \
-    -lrt
+    # legacy glibc compatibility -- modern Unices have all components in `libc.so`
+    LIBS += -lrt

    _LINUX_STATIC_IME_PLUGIN = $$(LINUX_STATIC_IME_PLUGIN)
    equals(_LINUX_STATIC_IME_PLUGIN, "ON") {
--- a/RedPandaIDE/autolinkmanager.cpp
+++ b/RedPandaIDE/autolinkmanager.cpp
@ -62,11 +62,13 @@ void AutolinkManager::load()
        file.write(content);
        file.close();
        preFile.close();
-#elif defined(Q_OS_LINUX)
-        QFile preFile(":/config/autolink-linux.json");
+#elif defined(Q_OS_MACOS)
+        return;
+#else // XDG desktop
+        QFile preFile(":/config/autolink-xdg.json");
        if (!preFile.open(QFile::ReadOnly)) {
            throw FileError(QObject::tr("Can't open file '%1' for read.")
-                            .arg(":/config/autolink-linux.json"));
+                            .arg(":/config/autolink-xdg.json"));
        }
        QByteArray content=preFile.readAll();
        if (!file.open(QFile::WriteOnly|QFile::Truncate)) {
@ -76,8 +78,6 @@ void AutolinkManager::load()
        file.write(content);
        file.close();
        preFile.close();
-#else
-        return;
 #endif
    }
    if (file.open(QFile::ReadOnly)) {
--- a/RedPandaIDE/compiler/compilerinfo.cpp
+++ b/RedPandaIDE/compiler/compilerinfo.cpp
@ -177,9 +177,12 @@ void CompilerInfo::prepareCompilerOptions()
    sl.append(QPair<QString,QString>("Strong","-strong"));
    sl.append(QPair<QString,QString>("All","-all"));
    addOption(CC_CMD_OPT_STACK_PROTECTOR , QObject::tr("Check for stack smashing attacks (-fstack-protector)"), groupName, false, false, true, "-fstack-protector", CompilerOptionType::Choice, sl);
-#if defined(Q_OS_LINUX) || defined(Q_OS_MACOS)
+#if defined(Q_OS_UNIX)
    sl.clear();
    sl.append(QPair<QString,QString>("Address","address"));
+# ifdef __aarch64__
+    sl.append(QPair<QString,QString>("Hardware-assisted Address","hwaddress"));
+# endif
    sl.append(QPair<QString,QString>("Thread","thread"));
    sl.append(QPair<QString,QString>("Leak","leak"));
    sl.append(QPair<QString,QString>("Undefined","undefined"));
--- a/RedPandaIDE/compiler/compilermanager.cpp
+++ b/RedPandaIDE/compiler/compilermanager.cpp
@ -31,6 +31,9 @@
 #include <QMessageBox>
 #include <QUuid>
 #include "projectcompiler.h"
+#ifdef Q_OS_MACOS
+#include <sys/posix_shm.h>
+#endif

 enum RunProgramFlag {
    RPF_PAUSE_CONSOLE =     0x0001,
@ -255,20 +258,32 @@ void CompilerManager::run(
 #ifdef Q_OS_WIN
        if (consoleFlag!=0) {
            QString sharedMemoryId = QUuid::createUuid().toString();
-            QString newArguments = QString(" %1 %2 \"%3\" %4")
-                    .arg(consoleFlag)
-                    .arg(sharedMemoryId,localizePath(filename)).arg(arguments);
-
+            QString consolePauserPath = includeTrailingPathDelimiter(pSettings->dirs().appDir()) + CONSOLE_PAUSER;
+            QStringList execArgs = QStringList{
+                consolePauserPath,
+                QString::number(consoleFlag),
+                sharedMemoryId,
+                localizePath(filename)
+            } + splitProcessCommand(arguments);
+            auto [filename, args, fileOwner] = wrapCommandForTerminalEmulator(
+                pSettings->environment().terminalPathForExec(),
+                pSettings->environment().terminalArgumentsPattern(),
+                execArgs
+            );
            //delete when thread finished
-            execRunner = new ExecutableRunner(includeTrailingPathDelimiter(pSettings->dirs().appDir())+CONSOLE_PAUSER,newArguments,workDir);
+            execRunner = new ExecutableRunner(filename, args, workDir);
            execRunner->setShareMemoryId(sharedMemoryId);
+            mTempFileOwner = std::move(fileOwner);
        } else {
            //delete when thread finished
-            execRunner = new ExecutableRunner(filename,arguments,workDir);
+            execRunner = new ExecutableRunner(filename,splitProcessCommand(arguments),workDir);
        }
 #else
-        QString newArguments;
+        QStringList execArgs;
        QString sharedMemoryId = "/r"+QUuid::createUuid().toString(QUuid::StringFormat::Id128);
+#ifdef Q_OS_MACOS
+        sharedMemoryId = sharedMemoryId.mid(0, PSHMNAMLEN);
+#endif
        if (consoleFlag!=0) {
            QString consolePauserPath=includeTrailingPathDelimiter(pSettings->dirs().appLibexecDir())+"consolepauser";
            if (!fileExists(consolePauserPath)) {
@ -280,31 +295,40 @@ void CompilerManager::run(

            }
            if (redirectInput) {
-                newArguments = QString(" -e \"%1\" %2 %3 \"%4\" \"%5\" %6")
-                        .arg(consolePauserPath)
-                        .arg(consoleFlag)
-                        .arg(sharedMemoryId)
-                        .arg(escapeSpacesInString(redirectInputFilename))
-                        .arg(localizePath(escapeSpacesInString(filename)))
-                        .arg(arguments);
+                execArgs = QStringList{
+                    consolePauserPath,
+                    QString::number(consoleFlag),
+                    sharedMemoryId,
+                    redirectInputFilename,
+                    localizePath(filename),
+                } + splitProcessCommand(arguments);
            } else {
-                newArguments = QString(" -e \"%1\" %2 %3 \"%4\" %5")
-                    .arg(consolePauserPath)
-                    .arg(consoleFlag)
-                    .arg(sharedMemoryId,localizePath(escapeSpacesInString(filename))).arg(arguments);
+                execArgs = QStringList{
+                    consolePauserPath,
+                    QString::number(consoleFlag),
+                    sharedMemoryId,
+                    localizePath(filename),
+                } + splitProcessCommand(arguments);
            }
        } else {
-            newArguments = QString(" -e \"%1\" %2")
-                .arg(localizePath(escapeSpacesInString(filename))).arg(arguments);
+            execArgs = QStringList{
+                localizePath(filename),
+            } + splitProcessCommand(arguments);
        }
-        execRunner = new ExecutableRunner(pSettings->environment().terminalPathForExec(),newArguments,workDir);
+        auto [filename, args, fileOwner] = wrapCommandForTerminalEmulator(
+            pSettings->environment().terminalPathForExec(),
+            pSettings->environment().terminalArgumentsPattern(),
+            execArgs
+        );
+        execRunner = new ExecutableRunner(filename, args, workDir);
        execRunner->setShareMemoryId(sharedMemoryId);
+        mTempFileOwner = std::move(fileOwner);
 #endif
        execRunner->setStartConsole(true);
    } else {
        //delete when thread finished
-        execRunner = new ExecutableRunner(filename,arguments,workDir);
-    }    
+        execRunner = new ExecutableRunner(filename,splitProcessCommand(arguments),workDir);
+    }
    if (redirectInput) {
        execRunner->setRedirectInput(true);
        execRunner->setRedirectInputFilename(redirectInputFilename);
@ -347,7 +371,7 @@ void CompilerManager::doRunProblem(const QString &filename, const QString &argum
    if (mRunner!=nullptr) {
        return;
    }
-    OJProblemCasesRunner * execRunner = new OJProblemCasesRunner(filename,arguments,workDir,problemCases);
+    OJProblemCasesRunner * execRunner = new OJProblemCasesRunner(filename,splitProcessCommand(arguments),workDir,problemCases);
    mRunner = execRunner;
    if (pSettings->executor().enableCaseLimit()) {
        execRunner->setExecTimeout(pSettings->executor().caseTimeout());
@ -380,6 +404,7 @@ void CompilerManager::stopRun()
        mRunner->stop();
        disconnect(mRunner, &Runner::finished, this ,&CompilerManager::onRunnerTerminated);
        mRunner=nullptr;
+        mTempFileOwner=nullptr;
    }
 }

@ -395,6 +420,7 @@ void CompilerManager::stopPausing()
        disconnect(mRunner, &Runner::finished, this ,&CompilerManager::onRunnerTerminated);
        mRunner->stop();
        mRunner=nullptr;
+        mTempFileOwner=nullptr;
    }
 }

@ -428,6 +454,7 @@ void CompilerManager::onRunnerTerminated()
 {
    QMutexLocker locker(&mRunnerMutex);
    mRunner=nullptr;
+    mTempFileOwner=nullptr;
 }

 void CompilerManager::onRunnerPausing()
@ -438,6 +465,7 @@ void CompilerManager::onRunnerPausing()
    disconnect(mRunner, &Runner::runErrorOccurred, pMainWindow ,&MainWindow::onRunErrorOccured);
    connect(this, &CompilerManager::signalStopAllRunners, mRunner, &Runner::stop);
    mRunner=nullptr;
+    mTempFileOwner=nullptr;
 }

 void CompilerManager::onCompileIssue(PCompileIssue issue)
--- a/RedPandaIDE/compiler/compilermanager.h
+++ b/RedPandaIDE/compiler/compilermanager.h
@ -20,6 +20,7 @@
 #include <QObject>
 #include <QMutex>
 #include "qt_utils/utils.h"
+#include "../utils.h"
 #include "../common.h"

 class Runner;
@ -96,6 +97,7 @@ private:
    int mSyntaxCheckIssueCount;
    Compiler* mBackgroundSyntaxChecker;
    Runner* mRunner;
+    TemporaryFileOwner mTempFileOwner;
 #if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0)
    QRecursiveMutex mCompileMutex;
    QRecursiveMutex mBackgroundSyntaxCheckMutex;
--- a/RedPandaIDE/compiler/executablerunner.cpp
+++ b/RedPandaIDE/compiler/executablerunner.cpp
@ -23,7 +23,7 @@
 #ifdef Q_OS_WIN
 #include <QUuid>
 #include <windows.h>
-#elif defined(Q_OS_LINUX)
+#else
 #include <sys/mman.h>
 #include <sys/types.h>
 #include <unistd.h>
@ -32,7 +32,7 @@
 #endif


-ExecutableRunner::ExecutableRunner(const QString &filename, const QString &arguments, const QString &workDir
+ExecutableRunner::ExecutableRunner(const QString &filename, const QStringList &arguments, const QString &workDir
                                   ,QObject* parent):
    Runner(filename,arguments,workDir,parent),
    mRedirectInput(false),
@ -110,7 +110,7 @@ void ExecutableRunner::run()

    mProcess = std::make_shared<QProcess>();
    mProcess->setProgram(mFilename);
-    mProcess->setArguments(splitProcessCommand(mArguments));
+    mProcess->setArguments(mArguments);
    //qDebug()<<splitProcessCommand(mArguments);
    mProcess->setWorkingDirectory(mWorkDir);
    QProcessEnvironment env = QProcessEnvironment::systemEnvironment();
@ -162,7 +162,7 @@ void ExecutableRunner::run()
            }
        }
    }
-#elif defined(Q_OS_LINUX)
+#else
    int BUF_SIZE=1024;
    char* pBuf=nullptr;
    int fd_shm = shm_open(mShareMemoryId.toLocal8Bit().data(),O_RDWR | O_CREAT,S_IRWXU);
@ -214,7 +214,6 @@ void ExecutableRunner::run()
            }
            break;
        }
-#if defined(Q_OS_WIN) || defined(Q_OS_LINUX)
        if (mStartConsole && !mPausing && pBuf) {
            if (strncmp(pBuf,"FINISHED",sizeof("FINISHED"))==0) {
 #ifdef Q_OS_WIN
@ -226,7 +225,7 @@ void ExecutableRunner::run()
                    hSharedMemory = INVALID_HANDLE_VALUE;
                    CloseHandle(hSharedMemory);
                }
-#elif defined(Q_OS_LINUX)
+#else
                if (pBuf) {
                    munmap(pBuf,BUF_SIZE);
                    pBuf = nullptr;
@ -240,14 +239,13 @@ void ExecutableRunner::run()
                emit pausingForFinish();
            }
        }
-#endif
    }
 #ifdef Q_OS_WIN
    if (pBuf)
        UnmapViewOfFile(pBuf);
    if (hSharedMemory!=INVALID_HANDLE_VALUE && hSharedMemory!=NULL)
        CloseHandle(hSharedMemory);
-#elif defined(Q_OS_LINUX)
+#else
    if (pBuf) {
        munmap(pBuf,BUF_SIZE);
    }
--- a/RedPandaIDE/compiler/executablerunner.h
+++ b/RedPandaIDE/compiler/executablerunner.h
@ -25,7 +25,7 @@ class ExecutableRunner : public Runner
 {
    Q_OBJECT
 public:
-    ExecutableRunner(const QString& filename, const QString& arguments, const QString& workDir,
+    ExecutableRunner(const QString& filename, const QStringList& arguments, const QString& workDir,
                     QObject* parent = nullptr);
    ExecutableRunner(const ExecutableRunner&)=delete;
    ExecutableRunner& operator=(const ExecutableRunner&)=delete;
--- a/RedPandaIDE/compiler/ojproblemcasesrunner.cpp
+++ b/RedPandaIDE/compiler/ojproblemcasesrunner.cpp
@ -25,7 +25,7 @@
 #endif


-OJProblemCasesRunner::OJProblemCasesRunner(const QString& filename, const QString& arguments, const QString& workDir,
+OJProblemCasesRunner::OJProblemCasesRunner(const QString& filename, const QStringList& arguments, const QString& workDir,
                                           const QVector<POJProblemCase>& problemCases, QObject *parent):
    Runner(filename,arguments,workDir,parent),
    mExecTimeout(0),
@ -37,7 +37,7 @@ OJProblemCasesRunner::OJProblemCasesRunner(const QString& filename, const QStrin
    setWaitForFinishTime(100);
 }

-OJProblemCasesRunner::OJProblemCasesRunner(const QString& filename, const QString& arguments, const QString& workDir,
+OJProblemCasesRunner::OJProblemCasesRunner(const QString& filename, const QStringList& arguments, const QString& workDir,
                                           POJProblemCase problemCase, QObject *parent):
    Runner(filename,arguments,workDir,parent),
    mExecTimeout(0),
@ -64,7 +64,7 @@ void OJProblemCasesRunner::runCase(int index,POJProblemCase problemCase)
    QElapsedTimer elapsedTimer;
    bool execTimeouted = false;
    process.setProgram(mFilename);
-    process.setArguments(splitProcessCommand(mArguments));
+    process.setArguments(mArguments);
    process.setWorkingDirectory(mWorkDir);
    QProcessEnvironment env = QProcessEnvironment::systemEnvironment();
    QString path = env.value("PATH");
--- a/RedPandaIDE/compiler/ojproblemcasesrunner.h
+++ b/RedPandaIDE/compiler/ojproblemcasesrunner.h
@ -25,10 +25,10 @@ class OJProblemCasesRunner : public Runner
 {
    Q_OBJECT
 public:
-    explicit OJProblemCasesRunner(const QString& filename, const QString& arguments, const QString& workDir,
+    explicit OJProblemCasesRunner(const QString& filename, const QStringList& arguments, const QString& workDir,
                                  const QVector<POJProblemCase>& problemCases,
                                  QObject *parent = nullptr);
-    explicit OJProblemCasesRunner(const QString& filename, const QString& arguments, const QString& workDir,
+    explicit OJProblemCasesRunner(const QString& filename, const QStringList& arguments, const QString& workDir,
                                  POJProblemCase problemCase,
                                  QObject *parent = nullptr);
    OJProblemCasesRunner(const OJProblemCasesRunner&)=delete;
--- a/RedPandaIDE/compiler/runner.cpp
+++ b/RedPandaIDE/compiler/runner.cpp
@ -17,7 +17,7 @@
 #include "runner.h"
 #include <QDebug>

-Runner::Runner(const QString &filename, const QString &arguments, const QString &workDir
+Runner::Runner(const QString &filename, const QStringList &arguments, const QString &workDir
               ,QObject *parent) : QThread(parent),
    mPausing(false),
    mStop(false),
--- a/RedPandaIDE/compiler/runner.h
+++ b/RedPandaIDE/compiler/runner.h
@ -23,7 +23,7 @@ class Runner : public QThread
 {
    Q_OBJECT
 public:
-    explicit Runner(const QString& filename, const QString& arguments, const QString& workDir, QObject *parent = nullptr);
+    explicit Runner(const QString& filename, const QStringList& arguments, const QString& workDir, QObject *parent = nullptr);
    Runner(const Runner&)=delete;
    Runner operator=(const Runner&)=delete;

@ -48,7 +48,7 @@ protected:
    bool mPausing;
    bool mStop;
    QString mFilename;
-    QString mArguments;
+    QStringList mArguments; // without argv[0]
    QString mWorkDir;
    int mWaitForFinishTime;
 };
--- a/RedPandaIDE/defaultconfigs.qrc
+++ b/RedPandaIDE/defaultconfigs.qrc
@ -2,6 +2,6 @@
    <qresource prefix="/config">
        <file alias="autolink.json">resources/autolink.json</file>
        <file alias="codesnippets.json">resources/codesnippets.json</file>
-        <file alias="autolink-linux.json">resources/autolink-linux.json</file>
+        <file alias="autolink-xdg.json">resources/autolink-xdg.json</file>
    </qresource>
 </RCC>
--- a/RedPandaIDE/main.cpp
+++ b/RedPandaIDE/main.cpp
@ -248,6 +248,23 @@ int main(int argc, char *argv[])
    qputenv("QT_QPA_PLATFORM", "windows:darkmode=2");
 #endif

+#ifdef Q_OS_MACOS
+    // in macOS GUI apps, `/usr/local/bin` is not in PATH by default
+    // follow the Unix way by prepending it to `/usr/bin`
+    {
+        QStringList pathList = getExecutableSearchPaths();
+        if (!pathList.contains("/usr/local/bin")) {
+            auto idxUsrBin = pathList.indexOf("/usr/bin");
+            if (idxUsrBin >= 0)
+                pathList.insert(idxUsrBin, "/usr/local/bin");
+            else
+                pathList.append("/usr/local/bin");
+        }
+        QString newPath = pathList.join(PATH_SEPARATOR);
+        qputenv("PATH", newPath.toUtf8());
+    }
+#endif
+
    QApplication app(argc, argv);

    app.setAttribute(Qt::AA_UseHighDpiPixmaps);
--- a/RedPandaIDE/resources/autolink-linux.json
+++ b/RedPandaIDE/resources/autolink-linux.json
@ -1,4 +1,12 @@
 [
+    {
+        "header": "fmt/core.h",
+        "links": "-lfmt"
+    },
+    {
+        "header": "math.h",
+        "links": "-lm"
+    },
    {
        "execUseUTF8": true,
        "header": "raylib.h",
@ -11,5 +19,13 @@
    {
        "header": "rturtle.h",
        "links": "-lrturtle"
+    },
+    {
+        "header": "thread",
+        "links": "-lpthread"
+    },
+    {
+        "header": "threads.h",
+        "links": "-lpthread"
    }
 ]
--- a/RedPandaIDE/settings.cpp
+++ b/RedPandaIDE/settings.cpp
@ -203,13 +203,13 @@ QString Settings::Dirs::appResourceDir() const
 {
 #ifdef Q_OS_WIN
    return appDir();
-#elif defined(Q_OS_LINUX)
-    // in AppImage PREFIX is not true, resolve from relative path
-    const static QString absoluteResourceDir(QDir(appDir()).absoluteFilePath("../share/" APP_NAME));
-    return absoluteResourceDir;
 #elif defined(Q_OS_MACOS)
 //    return QApplication::instance()->applicationDirPath();
    return "";
+#else // XDG desktop
+    // in AppImage or tarball PREFIX is not true, resolve from relative path
+    const static QString absoluteResourceDir(QDir(appDir()).absoluteFilePath("../share/" APP_NAME));
+    return absoluteResourceDir;
 #endif
 }

@ -218,13 +218,13 @@ QString Settings::Dirs::appLibexecDir() const
 {
 #ifdef Q_OS_WIN
    return appDir();
-#elif defined(Q_OS_LINUX)
-    // in AppImage LIBEXECDIR is not true, resolve from relative path
+#elif defined(Q_OS_MACOS)
+    return QApplication::instance()->applicationDirPath();
+#else // XDG desktop
+    // in AppImage or tarball LIBEXECDIR is not true, resolve from relative path
    const static QString relativeLibExecDir(QDir(PREFIX "/bin").relativeFilePath(LIBEXECDIR "/" APP_NAME));
    const static QString absoluteLibExecDir(QDir(appDir()).absoluteFilePath(relativeLibExecDir));
    return absoluteLibExecDir;
-#elif defined(Q_OS_MACOS)
-    return QApplication::instance()->applicationDirPath();
 #endif
 }

@ -1473,16 +1473,16 @@ void Settings::Editor::doLoad()
    mRightEdgeLineColor = colorValue("right_edge_line_color",Qt::yellow);

    //Editor font
-#ifdef Q_OS_WIN
-    mFontName = stringValue("font_name","consolas");
-    mNonAsciiFontName = stringValue("non_ascii_font_name","consolas");
-#elif defined(Q_OS_MACOS)
-    mFontName = stringValue("font_name","Menlo");
-    mNonAsciiFontName = stringValue("non_ascii_font_name","PingFang SC");
-#else
-    mFontName = stringValue("font_name","Dejavu Sans Mono");
-    mNonAsciiFontName = stringValue("non_ascii_font_name","Dejavu Sans Mono");
-#endif
+    mFontName = stringValue("font_name",DEFAULT_MONO_FONT);
+    QString defaultCjkFontName = CJK_MONO_FONT_SC;
+    QString defaultLocaleName = QLocale::system().name();
+    if (defaultLocaleName == "zh_TW")
+        defaultCjkFontName = CJK_MONO_FONT_TC;
+    else if (defaultLocaleName == "ja_JP")
+        defaultCjkFontName = CJK_MONO_FONT_J;
+    else if (defaultLocaleName == "ko_KR")
+        defaultCjkFontName = CJK_MONO_FONT_K;
+    mNonAsciiFontName = stringValue("non_ascii_font_name",defaultCjkFontName);
    mFontSize = intValue("font_size",12);
    mFontOnlyMonospaced = boolValue("font_only_monospaced",true);
    mLineSpacing = doubleValue("line_spacing",1.0);
@ -1504,11 +1504,7 @@ void Settings::Editor::doLoad()
    mGutterLineNumbersStartZero = boolValue("gutter_line_numbers_start_zero",false);
    mGutterUseCustomFont = boolValue("gutter_use_custom_font",false);

-#ifdef Q_OS_WIN
-    mGutterFontName = stringValue("gutter_font_name","consolas");
-#else
-    mGutterFontName = stringValue("gutter_font_name","Dejavu Sans Mono");
-#endif
+    mGutterFontName = stringValue("gutter_font_name",DEFAULT_MONO_FONT);
    mGutterFontSize = intValue("gutter_font_size",12);
    mGutterFontOnlyMonospaced = boolValue("gutter_font_only_monospaced",true);

@ -2999,11 +2995,11 @@ static void setDebugOptions(Settings::PCompilerSet pSet, bool enableAsan = false
    pSet->setCompileOption(CC_CMD_OPT_USE_PIPE, COMPILER_OPTION_ON);

    if (enableAsan) {
+#ifdef __aarch64__
+        pSet->setCompileOption(CC_CMD_OPT_ADDRESS_SANITIZER, "hwaddress");
+#else
        pSet->setCompileOption(CC_CMD_OPT_ADDRESS_SANITIZER, "address");
-//        pSet->setCustomCompileParams("-fsanitize=address");
-//        pSet->setUseCustomCompileParams(true);
-//        pSet->setCustomLinkParams("-fsanitize=address");
-//        pSet->setUseCustomLinkParams(true);
+#endif
    }
    //Some windows gcc don't correctly support this
    //pSet->setCompileOption(CC_CMD_OPT_STACK_PROTECTOR, "-strong");
@ -3064,8 +3060,8 @@ bool Settings::CompilerSets::addSets(const QString &folder, const QString& c_pro
    }

 #ifdef Q_OS_LINUX
-# if defined(__x86_64__) || __SIZEOF_POINTER__ == 4
-    mDefaultIndex = (int)mList.size() - 1; // x86-64 Linux or 32-bit Unix, default to "debug with ASan"
+# if defined(__x86_64__) || defined(__aarch64__) || __SIZEOF_POINTER__ == 4
+    mDefaultIndex = (int)mList.size() - 1; // x86-64, AArch64 Linux or 32-bit Unix, default to "debug with ASan"
 # else
    mDefaultIndex = (int)mList.size() - 2; // other Unix, where ASan can be very slow, default to "debug"
 # endif
@ -3576,17 +3572,20 @@ void Settings::Environment::doLoad()
 {
    //Appearance
    mTheme = stringValue("theme","dark");
-    QString defaultFontName = "Segoe UI";
+    QString defaultFontName = DEFAULT_UI_FONT;
    QString defaultLocaleName = QLocale::system().name();
-    if (defaultLocaleName == "zh_CN") {
+    {
        QString fontName;
-#ifdef Q_OS_WINDOWS
-        fontName = "Microsoft Yahei";
-#elif defined(Q_OS_MACOS)
-        fontName = "PingFang SC";
-#elif defined(Q_OS_LINUX)
-        fontName = "Noto Sans CJK";
-#endif
+        if (defaultLocaleName == "zh_CN")
+            fontName = CJK_UI_FONT_SC;
+        else if (defaultLocaleName == "zh_TW")
+            fontName = CJK_UI_FONT_TC;
+        else if (defaultLocaleName == "ja_JP")
+            fontName = CJK_UI_FONT_J;
+        else if (defaultLocaleName == "ko_KR")
+            fontName = CJK_UI_FONT_K;
+        else
+            fontName = DEFAULT_UI_FONT;
        QFont font(fontName);
        if (font.exactMatch()) {
            defaultFontName = fontName;
@ -3608,58 +3607,85 @@ void Settings::Environment::doLoad()
    if (!fileExists(mDefaultOpenFolder)) {
        mDefaultOpenFolder = QDir::currentPath();
    }
-#ifdef Q_OS_LINUX

-#define SYSTEM_TERMINAL(term) "/usr/bin/" #term, "/usr/local/bin/" #term
-    const static QString terminals[] {
+    using AP = TerminalEmulatorArgumentsPattern;
+    struct TerminalSearchItem {
+        QString appName;
+        AP argsPattern;
+    };
+
+#ifdef Q_OS_WINDOWS
+    const TerminalSearchItem terminals[] {
+        /* explicitly installed terminals */
+
+        /* system */
+        {"conhost.exe", AP::ImplicitSystem}, // dummy for system default
+
+        /* will not actually be searched, just a list for users who dig into here */
+        {"conhost.exe",                              AP::MinusMinusAppendArgs}, // yes, it accepts GNU-style (--) arguments
+        {"wt.exe",                                   AP::MinusMinusAppendArgs}, // generally okay, but “Test” does not work
+        {"alacritty.exe",                            AP::MinusEAppendArgs},     // GPU-accelerated
+        {"C:/Program Files/Alacritty/alacritty.exe", AP::MinusEAppendArgs},
+        {"C:/Program Files/konsole/bin/konsole.exe", AP::MinusEAppendArgs},     // generally okay, but “Test” does not work
+        {"C:/Program Files/Git/usr/bin/mintty.exe",  AP::MinusEAppendArgs},     // Git Mintty
+        {"C:/msys64/usr/bin/mintty.exe",             AP::MinusEAppendArgs},     // MSYS2 Mintty
+    };
+#else
+    const TerminalSearchItem terminals[] {
        /* modern, specialized or stylized terminal -- user who installed them are likely to prefer them */
-        SYSTEM_TERMINAL(alacritty),       // GPU-accelerated
-        SYSTEM_TERMINAL(kitty),           // GPU-accelerated
-        SYSTEM_TERMINAL(wayst),           // GPU-accelerated
-        SYSTEM_TERMINAL(tilix),           // tiling
-        SYSTEM_TERMINAL(cool-retro-term), // old CRT style
+        {"alacritty", AP::MinusEAppendArgs}, // GPU-accelerated
+        {"kitty",     AP::MinusEAppendArgs}, // GPU-accelerated
+        {"wayst",     AP::MinusEAppendArgs}, // GPU-accelerated

-        /* default terminal for DE */
-        SYSTEM_TERMINAL(konsole),         // KDE
-        SYSTEM_TERMINAL(deepin-terminal), // DDE
-        SYSTEM_TERMINAL(qterminal),       // LXQt
-        SYSTEM_TERMINAL(lxterminal),      // LXDE
+        {"coreterminal", AP::MinusEAppendCommandLine}, // lightweighted
+        {"kermit",       AP::MinusEAppendCommandLine}, // lightweighted
+        {"roxterm",      AP::MinusEAppendCommandLine}, // lightweighted
+        {"sakura",       AP::MinusEAppendCommandLine}, // lightweighted
+        {"termit",       AP::MinusEAppendArgs},        // Lua scripting
+        {"termite",      AP::MinusEAppendCommandLine}, // tiling, keyboard-centric
+        {"tilix",        AP::MinusEAppendArgs},        // tiling
+
+        {"cool-retro-term", AP::MinusEAppendArgs}, // old CRT style
+
+        /* default terminal for XDG DE -- macOS user who installed them are likely to prefer them */
+        {"deepin-terminal",        AP::MinusEAppendArgs},        // DDE
+        {"konsole",                AP::MinusEAppendArgs},        // KDE
+        {"gnome-terminal",         AP::MinusMinusAppendArgs},    // GNOME
+        {"io.elementary.terminal", AP::MinusEAppendCommandLine}, // Pantheon (elementary OS)
+        {"lxterminal",             AP::MinusEAppendArgs},        // LXDE
+        {"mate-terminal",          AP::MinusXAppendArgs},        // MATE
+        {"qterminal",              AP::MinusEAppendArgs},        // LXQt
+        {"terminator",             AP::MinusXAppendArgs},        // tiling, also seen in SBC images
+        {"terminology",            AP::MinusEAppendCommandLine}, // Enlightenment
+        {"xfce4-terminal",         AP::MinusXAppendArgs},        // Xfce

        /* bundled terminal in AppImage */
-        "alacritty",
+        {"./alacritty", AP::MinusEAppendArgs},

        /* compatible, with minor issue */
-        SYSTEM_TERMINAL(kgx),          // GNOME Console, confirm to quit
-        SYSTEM_TERMINAL(coreterminal), // not so conforming when parsing args
-        SYSTEM_TERMINAL(sakura),       // not so conforming when parsing args
+        {"kgx", AP::MinusMinusAppendArgs}, // GNOME Console, confirm to quit

-        /* compatible, without out-of-box hidpi support */
-        SYSTEM_TERMINAL(mlterm),
-        SYSTEM_TERMINAL(st),
-        SYSTEM_TERMINAL(terminology), // also not so conforming when parsing args
-        SYSTEM_TERMINAL(urxvt),
-        SYSTEM_TERMINAL(xterm),
-        SYSTEM_TERMINAL(zutty),
+        /* compatible, without out-of-box hidpi support on Linux */
+        {"mlterm", AP::MinusEAppendArgs},
+        {"st",     AP::MinusEAppendArgs},
+        {"urxvt",  AP::MinusEAppendArgs},
+        {"xterm",  AP::MinusEAppendArgs},
+        {"zutty",  AP::MinusEAppendArgs},
+
+        /* macOS system */
+        {"/Applications/iTerm.app/Contents/MacOS/iTerm2",                       AP::WriteCommandLineToTempFileThenTempFilename},
+        {"/System/Applications/Utilities/Terminal.app/Contents/MacOS/Terminal", AP::WriteCommandLineToTempFileThenTempFilename},
+        {"/Applications/Utilities/Terminal.app/Contents/MacOS/Terminal",        AP::WriteCommandLineToTempFileThenTempFilename},

        /* fallbacks */
-        SYSTEM_TERMINAL(foot),                // Wayland only
-        SYSTEM_TERMINAL(x-terminal-emulator), // Debian alternatives
+        {"foot", AP::MinusEAppendArgs}, // Wayland only

        /* parameter incompatible */
-        // "gnome-terminal",
-        // "guake",
-        // "hyper",
-        // "io.elementary.terminal",
-        // "kermit",
-        // "liri-terminal",
-        // "mate-terminal",
-        // "roxterm",
-        // "station",
-        // "terminator",
-        // "termite",
-        // "tilda",
-        // "xfce4-terminal",
-        // "yakuake",
+        // "guake",         // drop down
+        // "hyper",         // no execute support
+        // "liri-terminal", // no execute support
+        // "station",       // no execute support
+        // "tilda",         // drop down

        /* incompatible -- other */
        // "aterm",       // AUR broken, unable to test
@ -3667,22 +3693,57 @@ void Settings::Environment::doLoad()
        // "rxvt",        // no unicode support
        // "shellinabox", // AUR broken, unable to test
    };
-#undef SYSTEM_TERMINAL
+#endif

-    auto checkAndSetTerminalPath = [this](QString terminalPath) -> bool {
-        QDir appDir(pSettings->dirs().appDir());
-        QString absoluteTerminalPath = appDir.absoluteFilePath(terminalPath);
-        QFileInfo termPathInfo(absoluteTerminalPath);
-        if (termPathInfo.isFile() && termPathInfo.isReadable() && termPathInfo.isExecutable()) {
-            mTerminalPath = terminalPath;
-            return true;
-        } else {
-            return false;
+    auto checkAndSetTerminalPath = [this](const TerminalSearchItem &searchItem) -> bool {
+#define DO_CHECK_AND_SET do {                                                                        \
+            if (termPathInfo.isFile() && termPathInfo.isReadable() && termPathInfo.isExecutable()) { \
+                mTerminalPath = searchItem.appName;                                                  \
+                mTerminalArgumentsPattern = searchItem.argsPattern;                                  \
+                return true;                                                                         \
+            }                                                                                        \
+        } while (0)
+
+        switch (getPathUnixExecSemantics(searchItem.appName)) {
+        case UnixExecSemantics::Absolute: {
+            QFileInfo termPathInfo(searchItem.appName);
+            DO_CHECK_AND_SET;
+            break;
        }
+        case UnixExecSemantics::RelativeToCwd: {
+            QDir appDir(pSettings->dirs().appDir());
+            QString absoluteTerminalPath = appDir.absoluteFilePath(searchItem.appName);
+            QFileInfo termPathInfo(absoluteTerminalPath);
+            DO_CHECK_AND_SET;
+            break;
+        }
+        case UnixExecSemantics::SearchInPath: {
+            auto pathList = getExecutableSearchPaths();
+            for (auto &dir: pathList) {
+                QString absoluteTerminalPath = QDir(dir).absoluteFilePath(searchItem.appName);
+                QFileInfo termPathInfo(absoluteTerminalPath);
+                DO_CHECK_AND_SET;
+            }
+            break;
+        }
+        }
+        return false;
    };
+#undef DO_CHECK_AND_SET

    // check saved terminal path
-    if (!checkAndSetTerminalPath(stringValue("terminal_path", ""))) {
+    QString savedTerminalPath = stringValue("terminal_path", "");
+    int savedArgsPattern_ = intValue("terminal_arguments_pattern",
+#ifdef Q_OS_MACOS
+        // macOS: old versions have set Terminal.app as default terminal
+        // fallback to temp file to work with Terminal.app for smooth migration
+        int(AP::WriteCommandLineToTempFileThenTempFilename)
+#else
+        int(AP::MinusEAppendArgs) // Linux: keep old behaviour
+#endif
+    );
+    AP savedArgsPattern = static_cast<AP>(savedArgsPattern_);
+    if (!checkAndSetTerminalPath(TerminalSearchItem{savedTerminalPath, savedArgsPattern})) {
        // if saved terminal path is invalid, try determing terminal from our list
        for (auto terminal: terminals) {
            if (checkAndSetTerminalPath(terminal))
@ -3691,11 +3752,6 @@ void Settings::Environment::doLoad()
    }

    mAStylePath = includeTrailingPathDelimiter(pSettings->dirs().appLibexecDir())+"astyle";
-#elif defined(Q_OS_MACOS)
-    mTerminalPath = stringValue("terminal_path",
-                                "/System/Applications/Utilities/Terminal.app/Contents/MacOS/Terminal");
-    mAStylePath = includeTrailingPathDelimiter(pSettings->dirs().appLibexecDir())+"astyle";
-#endif
    mHideNonSupportFilesInFileView=boolValue("hide_non_support_files_file_view",true);
    mOpenFilesInSingleInstance = boolValue("open_files_in_single_instance",false);
 }
@ -3757,13 +3813,11 @@ QString Settings::Environment::terminalPath() const

 QString Settings::Environment::terminalPathForExec() const
 {
-#ifdef Q_OS_LINUX
-    // `mTerminalPath` can be reletive (bundled terminal in AppImage).
-    QDir appDir(pSettings->dirs().appDir());
-    return appDir.absoluteFilePath(mTerminalPath);
-#else
-    return mTerminalPath;
-#endif
+    if (getPathUnixExecSemantics(mTerminalPath) == UnixExecSemantics::RelativeToCwd) {
+        QDir appDir(pSettings->dirs().appDir());
+        return appDir.absoluteFilePath(mTerminalPath);
+    } else
+        return mTerminalPath;
 }

 void Settings::Environment::setTerminalPath(const QString &terminalPath)
@ -3781,6 +3835,16 @@ void Settings::Environment::setAStylePath(const QString &aStylePath)
    mAStylePath = aStylePath;
 }

+TerminalEmulatorArgumentsPattern Settings::Environment::terminalArgumentsPattern() const
+{
+    return mTerminalArgumentsPattern;
+}
+
+void Settings::Environment::setTerminalArgumentsPattern(const TerminalEmulatorArgumentsPattern &argsPattern)
+{
+    mTerminalArgumentsPattern = argsPattern;
+}
+
 bool Settings::Environment::useCustomIconSet() const
 {
    return mUseCustomIconSet;
@ -3845,10 +3909,9 @@ void Settings::Environment::doSave()

    saveValue("current_folder",mCurrentFolder);
    saveValue("default_open_folder",mDefaultOpenFolder);
-#ifndef Q_OS_WIN
    saveValue("terminal_path",mTerminalPath);
+    saveValue("terminal_arguments_pattern",int(mTerminalArgumentsPattern));
    saveValue("asyle_path",mAStylePath);
-#endif

    saveValue("hide_non_support_files_file_view",mHideNonSupportFilesInFileView);
    saveValue("open_files_in_single_instance",mOpenFilesInSingleInstance);
@ -4111,13 +4174,7 @@ void Settings::Executor::doLoad()
    mProblemCaseValidateType =(ProblemCaseValidateType)intValue("problem_case_validate_type", (int)ProblemCaseValidateType::Exact);
    mRedirectStderrToToolLog = boolValue("redirect_stderr_to_toollog", false);

-#ifdef Q_OS_WIN
-    mCaseEditorFontName = stringValue("case_editor_font_name","consolas");
-#elif defined(Q_OS_MACOS)
-    mCaseEditorFontName = stringValue("case_editor_font_name", "Menlo");
-#else
-    mCaseEditorFontName = stringValue("case_editor_font_name","Dejavu Sans Mono");
-#endif
+    mCaseEditorFontName = stringValue("case_editor_font_name",DEFAULT_MONO_FONT);
    mCaseEditorFontSize = intValue("case_editor_font_size",11);
    mCaseEditorFontOnlyMonospaced = boolValue("case_editor_font_only_monospaced",true);
    int case_timeout = intValue("case_timeout", -1);
--- a/RedPandaIDE/settings.h
+++ b/RedPandaIDE/settings.h
@ -575,6 +575,9 @@ public:
        QString AStylePath() const;
        void setAStylePath(const QString &aStylePath);

+        TerminalEmulatorArgumentsPattern terminalArgumentsPattern() const;
+        void setTerminalArgumentsPattern(const TerminalEmulatorArgumentsPattern &argsPattern);
+
        bool useCustomIconSet() const;
        void setUseCustomIconSet(bool newUseCustomIconSet);

@ -606,6 +609,7 @@ public:
        QString mDefaultOpenFolder;
        QString mTerminalPath;
        QString mAStylePath;
+        TerminalEmulatorArgumentsPattern mTerminalArgumentsPattern;
        bool mHideNonSupportFilesInFileView;
        bool mOpenFilesInSingleInstance;
        // _Base interface
--- a/RedPandaIDE/settingsdialog/environmentprogramswidget.cpp
+++ b/RedPandaIDE/settingsdialog/environmentprogramswidget.cpp
@ -19,6 +19,7 @@
 #include "../settings.h"
 #include "../iconsmanager.h"
 #include "../systemconsts.h"
+#include "../compiler/executablerunner.h"

 #include <QFileDialog>

@ -27,6 +28,16 @@ EnvironmentProgramsWidget::EnvironmentProgramsWidget(const QString& name, const
    ui(new Ui::EnvironmentProgramsWidget)
 {
    ui->setupUi(this);
+    QFont monoFont(DEFAULT_MONO_FONT);
+    ui->rbImplicitSystem->setFont(monoFont);
+    ui->rbMinusEAppendArgs->setFont(monoFont);
+    ui->rbMinusXAppendArgs->setFont(monoFont);
+    ui->rbMinusMinusAppendArgs->setFont(monoFont);
+    ui->rbMinusEAppendCommandLine->setFont(monoFont);
+    ui->rbWriteCommandLineToTempFileThenTempFilename->setFont(monoFont);
+#ifndef Q_OS_MACOS
+    hideMacosSpecificPattern();
+#endif
 }

 EnvironmentProgramsWidget::~EnvironmentProgramsWidget()
@ -34,14 +45,62 @@ EnvironmentProgramsWidget::~EnvironmentProgramsWidget()
    delete ui;
 }

+void EnvironmentProgramsWidget::hideMacosSpecificPattern()
+{
+    ui->rbWriteCommandLineToTempFileThenTempFilename->setVisible(false);
+    ui->rbWriteCommandLineToTempFileThenTempFilename->setEnabled(false);
+    ui->pbWriteCommandLineToTempFileThenTempFilename->setVisible(false);
+    ui->pbWriteCommandLineToTempFileThenTempFilename->setEnabled(false);
+}
+
+void EnvironmentProgramsWidget::testTerminal(const TerminalEmulatorArgumentsPattern &pattern)
+{
+    auto [filename, arguments, fileOwner] = wrapCommandForTerminalEmulator(ui->txtTerminal->text(), pattern, {defaultShell(), "-c", "echo hello; sleep 3"});
+    ExecutableRunner runner(filename, arguments, "", nullptr);
+    runner.start();
+    runner.wait();
+}
+
 void EnvironmentProgramsWidget::doLoad()
 {
    ui->txtTerminal->setText(pSettings->environment().terminalPath());
+    switch (pSettings->environment().terminalArgumentsPattern()) {
+    case TerminalEmulatorArgumentsPattern::ImplicitSystem:
+        ui->rbImplicitSystem->setChecked(true);
+        break;
+    case TerminalEmulatorArgumentsPattern::MinusEAppendArgs:
+        ui->rbMinusEAppendArgs->setChecked(true);
+        break;
+    case TerminalEmulatorArgumentsPattern::MinusXAppendArgs:
+        ui->rbMinusXAppendArgs->setChecked(true);
+        break;
+    case TerminalEmulatorArgumentsPattern::MinusMinusAppendArgs:
+        ui->rbMinusMinusAppendArgs->setChecked(true);
+        break;
+    case TerminalEmulatorArgumentsPattern::MinusEAppendCommandLine:
+        ui->rbMinusEAppendCommandLine->setChecked(true);
+        break;
+    case TerminalEmulatorArgumentsPattern::WriteCommandLineToTempFileThenTempFilename:
+        ui->rbWriteCommandLineToTempFileThenTempFilename->setChecked(true);
+        break;
+    }
 }

 void EnvironmentProgramsWidget::doSave()
 {
    pSettings->environment().setTerminalPath(ui->txtTerminal->text());
+    if (ui->rbImplicitSystem->isChecked())
+        pSettings->environment().setTerminalArgumentsPattern(TerminalEmulatorArgumentsPattern::ImplicitSystem);
+    if (ui->rbMinusEAppendArgs->isChecked())
+        pSettings->environment().setTerminalArgumentsPattern(TerminalEmulatorArgumentsPattern::MinusEAppendArgs);
+    if (ui->rbMinusXAppendArgs->isChecked())
+        pSettings->environment().setTerminalArgumentsPattern(TerminalEmulatorArgumentsPattern::MinusXAppendArgs);
+    if (ui->rbMinusMinusAppendArgs->isChecked())
+        pSettings->environment().setTerminalArgumentsPattern(TerminalEmulatorArgumentsPattern::MinusMinusAppendArgs);
+    if (ui->rbMinusEAppendCommandLine->isChecked())
+        pSettings->environment().setTerminalArgumentsPattern(TerminalEmulatorArgumentsPattern::MinusEAppendCommandLine);
+    if (ui->rbWriteCommandLineToTempFileThenTempFilename->isChecked())
+        pSettings->environment().setTerminalArgumentsPattern(TerminalEmulatorArgumentsPattern::WriteCommandLineToTempFileThenTempFilename);
    pSettings->environment().save();
 }

@ -61,3 +120,62 @@ void EnvironmentProgramsWidget::on_btnChooseTerminal_clicked()
        ui->txtTerminal->setText(filename);
    }
 }
+
+void EnvironmentProgramsWidget::on_txtTerminal_textChanged(const QString &terminalPath)
+{
+    QString terminalPathForExec;
+    if (getPathUnixExecSemantics(terminalPath) == UnixExecSemantics::RelativeToCwd) {
+        QDir appDir(pSettings->dirs().appDir());
+        terminalPathForExec = appDir.absoluteFilePath(terminalPath);
+    } else
+        terminalPathForExec = terminalPath;
+    QString terminalPathEscaped = escapeArgument(terminalPathForExec, true);
+    QString shell = defaultShell();
+    QStringList execArgs{shell, "-c", "echo hello; sleep 3"};
+
+    auto displayCommand = [this, &execArgs](const TerminalEmulatorArgumentsPattern &pattern) {
+        auto [filename, arguments, fileOwner] = wrapCommandForTerminalEmulator(ui->txtTerminal->text(), pattern, execArgs);
+        for (auto &arg : arguments)
+            arg = escapeArgument(arg, false);
+        return escapeArgument(filename, true) + " " + arguments.join(' ');
+    };
+
+    ui->rbImplicitSystem->setText(displayCommand(TerminalEmulatorArgumentsPattern::ImplicitSystem));
+    ui->rbMinusEAppendArgs->setText(displayCommand(TerminalEmulatorArgumentsPattern::MinusEAppendArgs));
+    ui->rbMinusXAppendArgs->setText(displayCommand(TerminalEmulatorArgumentsPattern::MinusXAppendArgs));
+    ui->rbMinusMinusAppendArgs->setText(displayCommand(TerminalEmulatorArgumentsPattern::MinusMinusAppendArgs));
+    ui->rbMinusEAppendCommandLine->setText(displayCommand(TerminalEmulatorArgumentsPattern::MinusEAppendCommandLine));
+    if (ui->rbWriteCommandLineToTempFileThenTempFilename->isEnabled())
+        ui->rbWriteCommandLineToTempFileThenTempFilename->setText(displayCommand(TerminalEmulatorArgumentsPattern::WriteCommandLineToTempFileThenTempFilename));
+}
+
+void EnvironmentProgramsWidget::on_pbImplicitSystem_clicked()
+{
+    testTerminal(TerminalEmulatorArgumentsPattern::ImplicitSystem);
+}
+
+void EnvironmentProgramsWidget::on_pbMinusEAppendArgs_clicked()
+{
+    testTerminal(TerminalEmulatorArgumentsPattern::MinusEAppendArgs);
+}
+
+void EnvironmentProgramsWidget::on_pbMinusXAppendArgs_clicked()
+{
+    testTerminal(TerminalEmulatorArgumentsPattern::MinusXAppendArgs);
+}
+
+void EnvironmentProgramsWidget::on_pbMinusMinusAppendArgs_clicked()
+{
+    testTerminal(TerminalEmulatorArgumentsPattern::MinusMinusAppendArgs);
+}
+
+void EnvironmentProgramsWidget::on_pbMinusEAppendCommandLine_clicked()
+{
+    testTerminal(TerminalEmulatorArgumentsPattern::MinusEAppendCommandLine);
+}
+
+void EnvironmentProgramsWidget::on_pbWriteCommandLineToTempFileThenTempFilename_clicked()
+{
+    testTerminal(TerminalEmulatorArgumentsPattern::WriteCommandLineToTempFileThenTempFilename);
+}
+
--- a/RedPandaIDE/settingsdialog/environmentprogramswidget.h
+++ b/RedPandaIDE/settingsdialog/environmentprogramswidget.h
@ -18,6 +18,7 @@
 #define ENVIRONMENTPROGRAMSWIDGET_H

 #include "settingswidget.h"
+#include "utils.h"

 namespace Ui {
 class EnvironmentProgramsWidget;
@ -30,6 +31,10 @@ class EnvironmentProgramsWidget : public SettingsWidget
 public:
    explicit EnvironmentProgramsWidget(const QString& name, const QString& group, QWidget *parent = nullptr);
    ~EnvironmentProgramsWidget();
+    void hideMacosSpecificPattern();
+
+private:
+    void testTerminal(const TerminalEmulatorArgumentsPattern &pattern);

 private:
    Ui::EnvironmentProgramsWidget *ui;
@ -41,6 +46,13 @@ protected:
    void updateIcons(const QSize &size) override;
 private slots:
    void on_btnChooseTerminal_clicked();
+    void on_txtTerminal_textChanged(const QString &terminalPath);
+    void on_pbImplicitSystem_clicked();
+    void on_pbMinusEAppendArgs_clicked();
+    void on_pbMinusXAppendArgs_clicked();
+    void on_pbMinusMinusAppendArgs_clicked();
+    void on_pbMinusEAppendCommandLine_clicked();
+    void on_pbWriteCommandLineToTempFileThenTempFilename_clicked();
 };

 #endif // ENVIRONMENTPROGRAMSWIDGET_H
--- a/RedPandaIDE/settingsdialog/environmentprogramswidget.ui
+++ b/RedPandaIDE/settingsdialog/environmentprogramswidget.ui
@ -35,7 +35,141 @@
     </property>
    </widget>
   </item>
-   <item row="1" column="2">
+   <item row="1" column="0" colspan="3">
+    <widget class="QGroupBox" name="groupBox">
+     <property name="title">
+      <string>Terminal emulator arguments pattern</string>
+     </property>
+     <layout class="QGridLayout" name="gridLayout_2">
+      <item row="0" column="0">
+       <widget class="QRadioButton" name="rbImplicitSystem">
+        <property name="text">
+         <string>sh -c &quot;echo hello; sleep 3&quot;</string>
+        </property>
+       </widget>
+      </item>
+      <item row="0" column="1">
+       <spacer name="horizontalSpacer">
+        <property name="orientation">
+         <enum>Qt::Horizontal</enum>
+        </property>
+        <property name="sizeHint" stdset="0">
+         <size>
+          <width>40</width>
+          <height>20</height>
+         </size>
+        </property>
+       </spacer>
+      </item>
+      <item row="0" column="2">
+       <widget class="QPushButton" name="pbImplicitSystem">
+        <property name="text">
+         <string>Test</string>
+        </property>
+       </widget>
+      </item>
+      <item row="1" column="0">
+       <widget class="QRadioButton" name="rbMinusEAppendArgs">
+        <property name="text">
+         <string>term -e sh -c &quot;echo hello; sleep 3&quot;</string>
+        </property>
+       </widget>
+      </item>
+      <item row="1" column="2">
+       <widget class="QPushButton" name="pbMinusEAppendArgs">
+        <property name="text">
+         <string>Test</string>
+        </property>
+       </widget>
+      </item>
+      <item row="2" column="0">
+       <widget class="QRadioButton" name="rbMinusXAppendArgs">
+        <property name="text">
+         <string>term -x sh -c &quot;echo hello; sleep 3&quot;</string>
+        </property>
+       </widget>
+      </item>
+      <item row="2" column="2">
+       <widget class="QPushButton" name="pbMinusXAppendArgs">
+        <property name="text">
+         <string>Test</string>
+        </property>
+       </widget>
+      </item>
+      <item row="3" column="0">
+       <widget class="QRadioButton" name="rbMinusMinusAppendArgs">
+        <property name="text">
+         <string>term -- sh -c &quot;echo hello; sleep 3&quot;</string>
+        </property>
+       </widget>
+      </item>
+      <item row="3" column="2">
+       <widget class="QPushButton" name="pbMinusMinusAppendArgs">
+        <property name="text">
+         <string>Test</string>
+        </property>
+       </widget>
+      </item>
+      <item row="4" column="0">
+       <widget class="QRadioButton" name="rbMinusEAppendCommandLine">
+        <property name="text">
+         <string>term -e &quot;sh -c \&quot;echo hello; sleep 3\&quot;&quot;</string>
+        </property>
+       </widget>
+      </item>
+      <item row="4" column="2">
+       <widget class="QPushButton" name="pbMinusEAppendCommandLine">
+        <property name="text">
+         <string>Test</string>
+        </property>
+       </widget>
+      </item>
+      <item row="5" column="0">
+       <widget class="QRadioButton" name="rbWriteCommandLineToTempFileThenTempFilename">
+        <property name="text">
+         <string>term /tmp/redpanda_XXXXXX.command</string>
+        </property>
+       </widget>
+      </item>
+      <item row="5" column="2">
+       <widget class="QPushButton" name="pbWriteCommandLineToTempFileThenTempFilename">
+        <property name="text">
+         <string>Test</string>
+        </property>
+       </widget>
+      </item>
+      <item row="6" column="0" colspan="3">
+       <widget class="QLabel" name="lExpectedBahavior0">
+        <property name="text">
+         <string>On clicking “Test” for the correct pattern, the terminal emulator</string>
+        </property>
+       </widget>
+      </item>
+      <item row="7" column="0" colspan="3">
+       <widget class="QLabel" name="lExpectedBahavior1">
+        <property name="text">
+         <string>• pops up;</string>
+        </property>
+       </widget>
+      </item>
+      <item row="8" column="0" colspan="3">
+       <widget class="QLabel" name="lExpectedBahavior2">
+        <property name="text">
+         <string>• shows “hello”; and</string>
+        </property>
+       </widget>
+      </item>
+      <item row="9" column="0" colspan="3">
+       <widget class="QLabel" name="lExpectedBahavior3">
+        <property name="text">
+         <string>• quits in 3 seconds.</string>
+        </property>
+       </widget>
+      </item>
+     </layout>
+    </widget>
+   </item>
+   <item row="2" column="2">
    <spacer name="verticalSpacer">
     <property name="orientation">
      <enum>Qt::Vertical</enum>
--- a/RedPandaIDE/settingsdialog/executorgeneralwidget.cpp
+++ b/RedPandaIDE/settingsdialog/executorgeneralwidget.cpp
@ -21,12 +21,15 @@
 #include "../systemconsts.h"

 #include <QFileDialog>
+#include <QJsonDocument>
+#include <QJsonArray>

 ExecutorGeneralWidget::ExecutorGeneralWidget(const QString& name, const QString& group, QWidget *parent):
    SettingsWidget(name,group,parent),
    ui(new Ui::ExecutorGeneralWidget)
 {
    ui->setupUi(this);
+    ui->txtParsedArgsInJson->setFont(QFont(DEFAULT_MONO_FONT));
 }

 ExecutorGeneralWidget::~ExecutorGeneralWidget()
@ -73,3 +76,11 @@ void ExecutorGeneralWidget::updateIcons(const QSize &/*size*/)
    pIconsManager->setIcon(ui->btnBrowse,IconsManager::ACTION_FILE_OPEN_FOLDER);
 }

+
+void ExecutorGeneralWidget::on_txtExecuteParamaters_textChanged(const QString &commandLine)
+{
+    QStringList parsed = splitProcessCommand(commandLine);
+    QJsonArray obj = QJsonArray::fromStringList(parsed);
+    ui->txtParsedArgsInJson->setText(QJsonDocument{obj}.toJson());
+}
+
--- a/RedPandaIDE/settingsdialog/executorgeneralwidget.h
+++ b/RedPandaIDE/settingsdialog/executorgeneralwidget.h
@ -43,6 +43,8 @@ private slots:
    void on_btnBrowse_clicked();

    // SettingsWidget interface
+    void on_txtExecuteParamaters_textChanged(const QString &commandLine);
+
 protected:
    void updateIcons(const QSize &size) override;
 };
--- a/RedPandaIDE/settingsdialog/executorgeneralwidget.ui
+++ b/RedPandaIDE/settingsdialog/executorgeneralwidget.ui
@ -55,10 +55,21 @@
     <property name="checkable">
      <bool>true</bool>
     </property>
-     <layout class="QHBoxLayout" name="horizontalLayout">
+     <layout class="QVBoxLayout" name="verticalLayout_2">
      <item>
       <widget class="QLineEdit" name="txtExecuteParamaters"/>
      </item>
+      <item>
+       <widget class="QLabel" name="labelParseArgsInJson">
+        <property name="text">
+         <string>Parsed argv array (represented in JSON):</string>
+        </property>
+       </widget>
+      </item>
+      <item>
+       <widget class="QTextBrowser" name="txtParsedArgsInJson">
+       </widget>
+      </item>
     </layout>
    </widget>
   </item>
@ -75,7 +86,6 @@
       <widget class="QLabel" name="label_3">
        <property name="font">
         <font>
-          <weight>75</weight>
          <bold>true</bold>
         </font>
        </property>
@ -88,7 +98,6 @@
       <widget class="QLabel" name="label_2">
        <property name="font">
         <font>
-          <weight>75</weight>
          <bold>true</bold>
         </font>
        </property>
@ -101,7 +110,6 @@
       <widget class="QLabel" name="label_4">
        <property name="font">
         <font>
-          <weight>75</weight>
          <bold>true</bold>
         </font>
        </property>
--- a/RedPandaIDE/settingsdialog/settingsdialog.cpp
+++ b/RedPandaIDE/settingsdialog/settingsdialog.cpp
@ -36,6 +36,7 @@
 #include "environmentshortcutwidget.h"
 #include "environmentfolderswidget.h"
 #include "environmentperformancewidget.h"
+#include "environmentprogramswidget.h"
 #include "executorgeneralwidget.h"
 #include "executorproblemsetwidget.h"
 #include "debuggeneralwidget.h"
@ -58,8 +59,7 @@
 #include "environmentfileassociationwidget.h"
 #include "projectversioninfowidget.h"
 #endif
-#ifdef Q_OS_LINUX
-#include "environmentprogramswidget.h"
+#if defined(Q_OS_UNIX) && !defined(Q_OS_MACOS) // XDG desktop
 #include "formatterpathwidget.h"
 #endif
 #include <QDebug>
@ -156,10 +156,8 @@ PSettingsDialog SettingsDialog::optionDialog()
    widget = new EnvironmentShortcutWidget(tr("Shortcuts"),tr("Environment"));
    dialog->addWidget(widget);

-#ifdef Q_OS_LINUX
    widget = new EnvironmentProgramsWidget(tr("Terminal"),tr("Environment"));
    dialog->addWidget(widget);
-#endif

    widget = new EnvironmentPerformanceWidget(tr("Performance"),tr("Environment"));
    dialog->addWidget(widget);
@ -230,7 +228,7 @@ PSettingsDialog SettingsDialog::optionDialog()
    widget = new FormatterGeneralWidget(tr("General"),tr("Code Formatter"));
    dialog->addWidget(widget);

-#ifdef Q_OS_LINUX
+#if defined(Q_OS_UNIX) && !defined(Q_OS_MACOS) // XDG desktop
    widget = new FormatterPathWidget(tr("Program"),tr("Code Formatter"));
    dialog->addWidget(widget);
 #endif
--- a/RedPandaIDE/systemconsts.h
+++ b/RedPandaIDE/systemconsts.h
@ -22,7 +22,6 @@
 #define APP_SETTSINGS_FILENAME "redpandacpp.ini"
 #ifdef Q_OS_WIN
 #define CONSOLE_PAUSER  "consolepauser.exe"
-#define ASSEMBLER   "nasm.exe"
 #define GCC_PROGRAM     "gcc.exe"
 #define GPP_PROGRAM     "g++.exe"
 #define GDB_PROGRAM     "gdb.exe"
@ -40,9 +39,8 @@
 #define SDCC_PROGRAM   "sdcc.exe"
 #define PACKIHX_PROGRAM   "packihx.exe"
 #define MAKEBIN_PROGRAM   "makebin.exe"
-#elif defined(Q_OS_LINUX)
+#else // Unix
 #define CONSOLE_PAUSER  "consolepauser"
-#define ASSEMBLER   "nasm"
 #define GCC_PROGRAM     "gcc"
 #define GPP_PROGRAM     "g++"
 #define GDB_PROGRAM     "gdb"
@ -61,28 +59,6 @@
 #define SDCC_PROGRAM   "sdcc"
 #define PACKIHX_PROGRAM   "packihx"
 #define MAKEBIN_PROGRAM   "makebin"
-#elif defined(Q_OS_MACOS)
-#define CONSOLE_PAUSER  "consolepauser"
-#define ASSEMBLER   "nasm"
-#define GCC_PROGRAM     "gcc"
-#define GPP_PROGRAM     "g++"
-#define GDB_PROGRAM     "gdb"
-#define GDB_SERVER_PROGRAM     "gdbserver"
-#define GDB32_PROGRAM   "gdb32"
-#define MAKE_PROGRAM    "make"
-#define WINDRES_PROGRAM ""
-#define CLEAN_PROGRAM   "rm -rf"
-#define CPP_PROGRAM     "cpp"
-#define GIT_PROGRAM     "git"
-#define CLANG_PROGRAM   "clang"
-#define CLANG_CPP_PROGRAM   "clang++"
-#define LLDB_MI_PROGRAM   "lldb-mi"
-#define LLDB_SERVER_PROGRAM   "lldb-server"
-#define SDCC_PROGRAM   "sdcc"
-#define PACKIHX_PROGRAM   "packihx"
-#define MAKEBIN_PROGRAM   "makebin"
-#else
-#error "Only support windows, Linux and MacOS now!"
 #endif

 #define DEV_PROJECT_EXT "dev"
@ -128,7 +104,7 @@
 #   define MAKEFILE_NAME    "makefile.win"
 #   define XMAKEFILE_NAME    "xmake.lua"
 #   define ALL_FILE_WILDCARD "*.*"
-#elif defined(Q_OS_LINUX) || defined(Q_OS_MACOS)
+#else // Unix
 #   define PATH_SENSITIVITY Qt::CaseSensitive
 #   define PATH_SEPARATOR   ":"
 #   define LINE_BREAKER     "\n"
@ -142,8 +118,6 @@
 #   define MAKEFILE_NAME    "makefile"
 #   define XMAKEFILE_NAME    "xmake.lua"
 #   define ALL_FILE_WILDCARD "*"
-#else
-#error "Only support windows, linux and macos now!"
 #endif

 #define SDCC_IHX_SUFFIX "ihx"
@ -151,6 +125,40 @@
 #define SDCC_HEX_SUFFIX "hex"
 #define SDCC_REL_SUFFIX "rel"

+#if defined(Q_OS_WIN)
+#   define DEFAULT_UI_FONT   "Segoe UI"
+#   define CJK_UI_FONT_SC    "Microsoft YaHei UI"
+#   define CJK_UI_FONT_TC    "Microsoft JhengHei UI"
+#   define CJK_UI_FONT_J     "Yu Gothic UI"
+#   define CJK_UI_FONT_K     "Malgun Gothic"
+#   define DEFAULT_MONO_FONT "Consolas"
+#   define CJK_MONO_FONT_SC  "Microsoft YaHei"
+#   define CJK_MONO_FONT_TC  "Microsoft JhengHei"
+#   define CJK_MONO_FONT_J   "Yu Gothic"
+#   define CJK_MONO_FONT_K   "Malgun Gothic"
+#elif defined(Q_OS_MACOS)
+#   define DEFAULT_UI_FONT   "Helvetica Neue"
+#   define CJK_UI_FONT_SC    "PingFang SC"
+#   define CJK_UI_FONT_TC    "PingFang TC"
+#   define CJK_UI_FONT_J     "Hiragino Sans"
+#   define CJK_UI_FONT_K     "Apple SD Gothic Neo"
+#   define DEFAULT_MONO_FONT "Menlo"
+#   define CJK_MONO_FONT_SC  CJK_UI_FONT_SC
+#   define CJK_MONO_FONT_TC  CJK_UI_FONT_TC
+#   define CJK_MONO_FONT_J   CJK_UI_FONT_J
+#   define CJK_MONO_FONT_K   CJK_UI_FONT_K
+#else // XDG desktop
+#   define DEFAULT_UI_FONT   "Sans"             // use fontconfig default
+#   define CJK_UI_FONT_SC    "Noto Sans CJK SC"
+#   define CJK_UI_FONT_TC    "Noto Sans CJK TC"
+#   define CJK_UI_FONT_J     "Noto Sans CJK JP"
+#   define CJK_UI_FONT_K     "Noto Sans CJK KR"
+#   define DEFAULT_MONO_FONT "Monospace"        // use fontconfig default
+#   define CJK_MONO_FONT_SC  CJK_UI_FONT_SC     // intentionally: the "Mono" version is not stricly monospaced either, and has less weights
+#   define CJK_MONO_FONT_TC  CJK_UI_FONT_TC
+#   define CJK_MONO_FONT_J   CJK_UI_FONT_J
+#   define CJK_MONO_FONT_K   CJK_UI_FONT_K
+#endif

 class SystemConsts
 {
--- a/RedPandaIDE/translations/RedPandaIDE_pt_BR.ts
+++ b/RedPandaIDE/translations/RedPandaIDE_pt_BR.ts
@ -1958,6 +1958,54 @@
        <source>All files (%1)</source>
        <translation>Todos os arquivos (%1)</translation>
    </message>
+    <message>
+        <source>Terminal emulator arguments pattern</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>sh -c &quot;echo hello; sleep 3&quot;</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>Test</source>
+        <translation type="unfinished">Testar</translation>
+    </message>
+    <message>
+        <source>term -e sh -c &quot;echo hello; sleep 3&quot;</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>term -x sh -c &quot;echo hello; sleep 3&quot;</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>term -- sh -c &quot;echo hello; sleep 3&quot;</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>term -e &quot;sh -c \&quot;echo hello; sleep 3\&quot;&quot;</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>On clicking “Test” for the correct pattern, the terminal emulator</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>• pops up;</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>• shows “hello”; and</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>• quits in 3 seconds.</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>term /tmp/redpanda_XXXXXX.command</source>
+        <translation type="unfinished"></translation>
+    </message>
 </context>
 <context>
    <name>EnvironmentShortcutModel</name>
@ -2058,6 +2106,10 @@
        <source>All files (%1)</source>
        <translation>Todos os arquivos (%1)</translation>
    </message>
+    <message>
+        <source>Parsed argv array (represented in JSON):</source>
+        <translation type="unfinished"></translation>
+    </message>
 </context>
 <context>
    <name>ExecutorProblemSetWidget</name>
--- a/RedPandaIDE/translations/RedPandaIDE_zh_CN.ts
+++ b/RedPandaIDE/translations/RedPandaIDE_zh_CN.ts
@ -2689,7 +2689,72 @@ Are you really want to continue?</oldsource>
        <translation>终端</translation>
    </message>
    <message>
-        <location filename="../settingsdialog/environmentprogramswidget.cpp" line="57"/>
+        <location filename="../settingsdialog/environmentprogramswidget.ui" line="41"/>
+        <source>Terminal emulator arguments pattern</source>
+        <translation>终端模拟器参数模式</translation>
+    </message>
+    <message>
+        <location filename="../settingsdialog/environmentprogramswidget.ui" line="54"/>
+        <source>sh -c &quot;echo hello; sleep 3&quot;</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../settingsdialog/environmentprogramswidget.ui" line="74"/>
+        <location filename="../settingsdialog/environmentprogramswidget.ui" line="95"/>
+        <location filename="../settingsdialog/environmentprogramswidget.ui" line="116"/>
+        <location filename="../settingsdialog/environmentprogramswidget.ui" line="137"/>
+        <location filename="../settingsdialog/environmentprogramswidget.ui" line="158"/>
+        <location filename="../settingsdialog/environmentprogramswidget.ui" line="179"/>
+        <source>Test</source>
+        <translation>测试</translation>
+    </message>
+    <message>
+        <location filename="../settingsdialog/environmentprogramswidget.ui" line="88"/>
+        <source>term -e sh -c &quot;echo hello; sleep 3&quot;</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../settingsdialog/environmentprogramswidget.ui" line="109"/>
+        <source>term -x sh -c &quot;echo hello; sleep 3&quot;</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../settingsdialog/environmentprogramswidget.ui" line="130"/>
+        <source>term -- sh -c &quot;echo hello; sleep 3&quot;</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../settingsdialog/environmentprogramswidget.ui" line="151"/>
+        <source>term -e &quot;sh -c \&quot;echo hello; sleep 3\&quot;&quot;</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../settingsdialog/environmentprogramswidget.ui" line="172"/>
+        <source>term /tmp/redpanda_XXXXXX.command</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../settingsdialog/environmentprogramswidget.ui" line="186"/>
+        <source>On clicking “Test” for the correct pattern, the terminal emulator</source>
+        <translation>点击正确的模式对应的 “测试” 按钮，终端模拟器将会</translation>
+    </message>
+    <message>
+        <location filename="../settingsdialog/environmentprogramswidget.ui" line="193"/>
+        <source>• pops up;</source>
+        <translation>• 弹出；</translation>
+    </message>
+    <message>
+        <location filename="../settingsdialog/environmentprogramswidget.ui" line="200"/>
+        <source>• shows “hello”; and</source>
+        <translation>• 显示 “hello”；</translation>
+    </message>
+    <message>
+        <location filename="../settingsdialog/environmentprogramswidget.ui" line="207"/>
+        <source>• quits in 3 seconds.</source>
+        <translation>• 并在 3 秒后关闭。</translation>
+    </message>
+    <message>
+        <location filename="../settingsdialog/environmentprogramswidget.cpp" line="109"/>
        <source>Choose Terminal Program</source>
        <translation>选择终端程序</translation>
    </message>
@ -2798,6 +2863,11 @@ Are you really want to continue?</oldsource>
        <source>Parameters to pass to your program</source>
        <translation>运行程序的命令行参数</translation>
    </message>
+    <message>
+        <location filename="../settingsdialog/executorgeneralwidget.ui" line="65"/>
+        <source>Parsed argv array (represented in JSON):</source>
+        <translation>argv 数组解析结果（以 JSON 表示）：</translation>
+    </message>
    <message>
        <location filename="../settingsdialog/executorgeneralwidget.ui" line="68"/>
        <source>Redirect input to the following file:</source>
--- a/RedPandaIDE/translations/RedPandaIDE_zh_TW.ts
+++ b/RedPandaIDE/translations/RedPandaIDE_zh_TW.ts
@ -1791,6 +1791,54 @@
        <source>All files (%1)</source>
        <translation type="unfinished"></translation>
    </message>
+    <message>
+        <source>Terminal emulator arguments pattern</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>sh -c &quot;echo hello; sleep 3&quot;</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>Test</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>term -e sh -c &quot;echo hello; sleep 3&quot;</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>term -x sh -c &quot;echo hello; sleep 3&quot;</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>term -- sh -c &quot;echo hello; sleep 3&quot;</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>term -e &quot;sh -c \&quot;echo hello; sleep 3\&quot;&quot;</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>On clicking “Test” for the correct pattern, the terminal emulator</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>• pops up;</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>• shows “hello”; and</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>• quits in 3 seconds.</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>term /tmp/redpanda_XXXXXX.command</source>
+        <translation type="unfinished"></translation>
+    </message>
 </context>
 <context>
    <name>EnvironmentShortcutModel</name>
@ -1891,6 +1939,10 @@
        <source>All files (%1)</source>
        <translation type="unfinished"></translation>
    </message>
+    <message>
+        <source>Parsed argv array (represented in JSON):</source>
+        <translation type="unfinished"></translation>
+    </message>
 </context>
 <context>
    <name>ExecutorProblemSetWidget</name>
--- a/RedPandaIDE/utils.cpp
+++ b/RedPandaIDE/utils.cpp
@ -447,7 +447,7 @@ void executeFile(const QString &fileName, const QString &params, const QString &
 {
    ExecutableRunner* runner=new ExecutableRunner(
                fileName,
-                params,
+                splitProcessCommand(params),
                workingDir);
    runner->connect(runner, &QThread::finished,
                    [runner,tempFile](){
@ -589,3 +589,190 @@ QColor alphaBlend(const QColor &lower, const QColor &upper) {
        int(lower.blue() * wl + upper.blue() * wu)
        );
 }
+
+UnixExecSemantics getPathUnixExecSemantics(const QString &path)
+{
+    QFileInfo pathInfo(path);
+    if (pathInfo.isRelative()) {
+        if (path.contains('/'))
+            return UnixExecSemantics::RelativeToCwd;
+        else
+            return UnixExecSemantics::SearchInPath;
+    } else
+        return UnixExecSemantics::Absolute;
+}
+
+QStringList getExecutableSearchPaths()
+{
+    QProcessEnvironment env = QProcessEnvironment::systemEnvironment();
+    QString path = env.value("PATH");
+    QStringList pathList = path.split(PATH_SEPARATOR);
+    return pathList;
+}
+
+QString escapeArgument(const QString &arg, [[maybe_unused]] bool isFirstArg)
+{
+    auto argContainsOneOf = [&arg](auto... ch) { return (arg.contains(ch) || ...); };
+
+#ifdef Q_OS_WINDOWS
+    // See https://stackoverflow.com/questions/31838469/how-do-i-convert-argv-to-lpcommandline-parameter-of-createprocess ,
+    // and https://learn.microsoft.com/en-gb/archive/blogs/twistylittlepassagesallalike/everyone-quotes-command-line-arguments-the-wrong-way .
+
+    // TODO: investigate whether we need escaping for cmd.
+
+    if (!arg.isEmpty() && !argContainsOneOf(' ', '\t', '\n', '\v', '"'))
+        return arg;
+
+    QString result = "\"";
+    for (auto it = arg.begin(); ; ++it) {
+        int nBackslash = 0;
+        while (it != arg.end() && *it == '\\') {
+            ++it;
+            ++nBackslash;
+        }
+        if (it == arg.end()) {
+            // Escape all backslashes, but let the terminating double quotation mark we add below be interpreted as a metacharacter.
+            result.append(QString('\\').repeated(nBackslash * 2));
+            break;
+        } else if (*it == '"') {
+            // Escape all backslashes and the following double quotation mark.
+            result.append(QString('\\').repeated(nBackslash * 2 + 1));
+            result.push_back(*it);
+        } else {
+            // Backslashes aren't special here.
+            result.append(QString('\\').repeated(nBackslash));
+            result.push_back(*it);
+        }
+    }
+    result.push_back('"');
+    return result;
+#else
+    /* be speculative, but keep readability.
+     * ref. https://pubs.opengroup.org/onlinepubs/9699919799.2018edition/utilities/V3_chap02.html
+     */
+    if (arg.isEmpty())
+        return R"("")";
+
+    /* POSIX say the following reserved words (may) have special meaning:
+     *   !, {, }, case, do, done, elif, else, esac, fi, for, if, in, then, until, while,
+     *   [[, ]], function, select,
+     * only if used as the _first word_ of a command (or somewhere we dot not care).
+     */
+    const static QSet<QString> reservedWord{
+        "!", "{", "}", "case", "do", "done", "elif", "else", "esac", "fi", "for", "if", "in", "then", "until", "while",
+        "[[", "]]", "function", "select",
+    };
+    if (isFirstArg && reservedWord.contains(arg))
+        return QString(R"("%1")").arg(arg);
+
+    /* POSIX say “shall quote”:
+     *   '|', '&', ';', '<', '>', '(', ')', '$', '`', '\\', '"', '\'', ' ', '\t', '\n';
+     * and “may need to be quoted”:
+     *   '*', '?', '[', '#', '~', '=', '%'.
+     * among which “may need to be quoted” there are 4 kinds:
+     *   - wildcards '*', '?', '[' are “danger anywhere” (handle it as if “shall quote”);
+     *   - comment '#', home '~', is “danger at first char in any word”;
+     *   - (environment) variable '=' is “danger at any char in first word”;
+     *   - foreground '%' is “danger at first char in first word”.
+     * although not mentioned by POSIX, bash’s brace expansion '{', '}' are also “danger anywhere”.
+     */
+    bool isDoubleQuotingDanger = argContainsOneOf('$', '`', '\\', '"');
+    bool isSingleQuotingDanger = arg.contains('\'');
+    bool isDangerAnyChar = isDoubleQuotingDanger || isSingleQuotingDanger || argContainsOneOf(
+        '|', '&', ';', '<', '>', '(', ')', ' ', '\t', '\n',
+        '*', '?', '[',
+        '{', '}'
+    );
+    bool isDangerFirstChar = (arg[0] == '#') || (arg[0] == '~');
+    if (isFirstArg) {
+        isDangerAnyChar = isDangerAnyChar || arg.contains('=');
+        isDangerFirstChar = isDangerFirstChar || (arg[0] == '%');
+    }
+
+    // a “safe” string
+    if (!isDangerAnyChar && !isDangerFirstChar)
+        return arg;
+
+    // prefer more-common double quoting
+    if (!isDoubleQuotingDanger)
+        return QString(R"("%1")").arg(arg);
+
+    // and then check the opportunity of single quoting
+    if (!isSingleQuotingDanger)
+        return QString("'%1'").arg(arg);
+
+    // escaping is necessary
+    // use double quoting since it’s less tricky
+    QString result = "\"";
+    for (auto ch : arg) {
+        if (ch == '$' || ch == '`' || ch == '\\' || ch == '"')
+            result.push_back('\\');
+        result.push_back(ch);
+    }
+    result.push_back('"');
+    return result;
+
+    /* single quoting, which is roughly raw string, is possible and quite simple in programming:
+     *   1. replace each single quote with `'\''`, which contains
+     *      - a single quote to close quoting,
+     *      - an escaped single quote representing the single quote itself, and
+     *      - a single quote to open quoting again;
+     *   2. enclose the string with a pair of single quotes.
+     * e.g. `o'clock` => `'o'\''clock'`, really tricky and hard to read.
+     */
+#endif
+}
+
+auto wrapCommandForTerminalEmulator(const QString &terminal, const TerminalEmulatorArgumentsPattern &argsPattern, const QStringList &argsWithArgv0)
+    -> std::tuple<QString, QStringList, std::unique_ptr<QTemporaryFile>>
+{
+    switch (argsPattern) {
+    case TerminalEmulatorArgumentsPattern::ImplicitSystem:
+    default: {
+        return {argsWithArgv0[0], argsWithArgv0.mid(1), nullptr};
+    }
+    case TerminalEmulatorArgumentsPattern::MinusEAppendArgs: {
+        return {terminal, QStringList{"-e"} + argsWithArgv0, nullptr};
+    }
+    case TerminalEmulatorArgumentsPattern::MinusXAppendArgs: {
+        return {terminal, QStringList{"-x"} + argsWithArgv0, nullptr};
+    }
+    case TerminalEmulatorArgumentsPattern::MinusMinusAppendArgs: {
+        return {terminal, QStringList{"--"} + argsWithArgv0, nullptr};
+    }
+    case TerminalEmulatorArgumentsPattern::MinusEAppendCommandLine: {
+        QStringList escapedArgs;
+        for (int i = 0; i < argsWithArgv0.length(); i++) {
+            auto &arg = argsWithArgv0[i];
+            auto escaped = escapeArgument(arg, i == 0);
+            escapedArgs.append(escaped);
+        }
+        return {terminal, QStringList{"-e", escapedArgs.join(' ')}, nullptr};
+    }
+    case TerminalEmulatorArgumentsPattern::WriteCommandLineToTempFileThenTempFilename: {
+        auto fileOwner = std::make_unique<QTemporaryFile>(QDir::tempPath() + "/redpanda_XXXXXX.command");
+        if (fileOwner->open()) {
+            QStringList escapedArgs;
+            for (int i = 0; i < argsWithArgv0.length(); i++) {
+                auto &arg = argsWithArgv0[i];
+                auto escaped = escapeArgument(arg, i == 0);
+                escapedArgs.append(escaped);
+            }
+            fileOwner->write(escapedArgs.join(' ').toUtf8());
+            fileOwner->write(QString('\n').toUtf8());
+            fileOwner->flush();
+        }
+        QFile(fileOwner->fileName()).setPermissions(QFileDevice::ReadOwner | QFileDevice::WriteOwner | QFileDevice::ExeOwner);
+        return {terminal, QStringList{fileOwner->fileName()}, std::move(fileOwner)};
+    }
+    }
+}
+
+QString defaultShell()
+{
+#ifdef Q_OS_WINDOWS
+    return "powershell.exe";
+#else
+    return "sh";
+#endif
+}
--- a/RedPandaIDE/utils.h
+++ b/RedPandaIDE/utils.h
@ -25,6 +25,7 @@
 #include <memory>
 #include <QThread>
 #include <QProcessEnvironment>
+#include <QTemporaryFile>
 #define SI_NO_CONVERSION
 #include "SimpleIni.h"
 #include "qt_utils/utils.h"
@ -34,6 +35,7 @@

 using SimpleIni = CSimpleIniA;
 using PSimpleIni = std::shared_ptr<SimpleIni>;
+using TemporaryFileOwner = std::unique_ptr<QTemporaryFile>;

 enum class FileType{
    GAS, // GNU assembler source file (.s)
@ -113,6 +115,22 @@ enum class ProblemCaseValidateType {
    IgnoreSpaces
 };

+enum class UnixExecSemantics {
+    Absolute,
+    RelativeToCwd,
+    SearchInPath,
+};
+
+enum class TerminalEmulatorArgumentsPattern {
+    ImplicitSystem = 0,      //          bash -c  "echo hello, world; sleep 3"
+    MinusEAppendArgs,        // term -e  bash -c  "echo hello, world; sleep 3"   # xterm-compatible
+    MinusXAppendArgs,        // term -x  bash -c  "echo hello, world; sleep 3"   # some VTE-based
+    MinusMinusAppendArgs,    // term --  bash -c  "echo hello, world; sleep 3"   # gnome-terminal, kgx
+    MinusEAppendCommandLine, // term -e "bash -c \"echo hello, world; sleep 3\"" # some lightweighted; alternative form for VTE-based
+
+    WriteCommandLineToTempFileThenTempFilename = 6226700, // macOS Terminal.app and iTerm2.app; 6226700 is how you dial “macOS00”
+};
+
 FileType getFileType(const QString& filename);
 QStringList splitProcessCommand(const QString& cmd);

@ -165,4 +183,15 @@ void saveComboHistory(QComboBox* cb,const QString& text);

 QColor alphaBlend(const QColor &lower, const QColor &upper);

+UnixExecSemantics getPathUnixExecSemantics(const QString &path);
+
+QStringList getExecutableSearchPaths();
+
+QString escapeArgument(const QString &arg, bool isFirstArg);
+
+auto wrapCommandForTerminalEmulator(const QString &terminal, const TerminalEmulatorArgumentsPattern &argsPattern, const QStringList &argsWithArgv0)
+    -> std::tuple<QString, QStringList, std::unique_ptr<QTemporaryFile>>;
+
+QString defaultShell();
+
 #endif // UTILS_H
--- a/RedPandaIDE/vcs/gitmanager.cpp
+++ b/RedPandaIDE/vcs/gitmanager.cpp
@ -25,7 +25,7 @@ void GitManager::createRepository(const QString &folder)
    contents.append("*.o");
    contents.append("*.exe");
    contents.append("*.layout");
-#ifdef Q_OS_LINUX
+#ifdef Q_OS_UNIX
    contents.append("*.");
 #endif

@ -593,7 +593,7 @@ QString GitManager::runGit(const QString& workingFolder, const QStringList &args
 #ifdef Q_OS_WIN
    env.insert("PATH",pSettings->dirs().appDir());
    env.insert("GIT_ASKPASS",includeTrailingPathDelimiter(pSettings->dirs().appDir())+"redpanda-win-git-askpass.exe");
-#elif defined(Q_OS_LINUX)
+#else // Unix
    env.insert(QProcessEnvironment::systemEnvironment());
    env.insert("LANG","en");
    env.insert("LANGUAGE","en");
--- a/libs/qsynedit/qsynedit/qsynedit.cpp
+++ b/libs/qsynedit/qsynedit/qsynedit.cpp
@ -56,15 +56,7 @@ QSynEdit::QSynEdit(QWidget *parent) : QAbstractScrollArea(parent),
    mPaintLock = 0;
    mPainterLock = 0;
    mPainting = false;
-#ifdef Q_OS_WIN
-    mFontDummy = QFont("Consolas",12);
-#elif defined(Q_OS_LINUX)
-    mFontDummy = QFont("terminal",14);
-#elif defined(Q_OS_MACOS)
-    mFontDummy = QFont("Menlo", 14);
-#else
-#error "Not supported!"
-#endif
+    mFontDummy = QFont("monospace",14);
    mFontDummy.setStyleStrategy(QFont::PreferAntialias);
    mDocument = std::make_shared<Document>(mFontDummy, mFontDummy, this);
    //fPlugins := TList.Create;
--- a/libs/qsynedit/qsynedit/syntaxer/asm.cpp
+++ b/libs/qsynedit/qsynedit/syntaxer/asm.cpp
@ -108,7 +108,7 @@ const QSet<QString> ASMSyntaxer::ATTDirectives {
    ".seh_setframe",".seh_stackalloc",".seh_pushreg",
    ".seh_savereg",".seh_savemm",".seh_savexmm",
    ".seh_pushframe",".seh_scope",
-#elif defined(Q_OS_LINUX)
+#else // Unix
    ".cfi_sections",".cfi_startproc",".cfi_endproc",
    ".cfi_personality",".cfi_personality_id",".cfi_fde_data",
    ".cfi_lsda",".cfi_inline_lsda",".cfi_def_cfa",
--- a/tools/consolepauser/main.unix.cpp
+++ b/tools/consolepauser/main.unix.cpp
@ -22,6 +22,7 @@ using std::string;
 using std::vector;
 #include <string.h>
 #include <stdio.h>
+#include <errno.h>
 #include <sys/mman.h>
 #include <sys/types.h>
 #include <unistd.h>
@ -184,15 +185,11 @@ int main(int argc, char** argv) {
        //todo: handle error
        printf("shm open failed %d:%s\n",errno,strerror(errno));
    } else {
-        if (ftruncate(fd_shm,BUF_SIZE)==-1){
-            printf("ftruncate failed %d:%s\n",errno,strerror(errno));
-            //todo: set size error
-        } else {
-            pBuf = (char*)mmap(NULL,BUF_SIZE,PROT_READ | PROT_WRITE, MAP_SHARED, fd_shm,0);
-            if (pBuf == MAP_FAILED) {
-                printf("mmap failed %d:%s\n",errno,strerror(errno));
-                pBuf = nullptr;
-            }
+        // `ftruncate` has already done in RedPandaIDE
+        pBuf = (char*)mmap(NULL,BUF_SIZE,PROT_READ | PROT_WRITE, MAP_SHARED, fd_shm,0);
+        if (pBuf == MAP_FAILED) {
+            printf("mmap failed %d:%s\n",errno,strerror(errno));
+            pBuf = nullptr;
        }
    }