diff --git a/RedPandaIDE/RedPandaIDE.pro b/RedPandaIDE/RedPandaIDE.pro
index fd0c0b96..69518282 100644
--- a/RedPandaIDE/RedPandaIDE.pro
+++ b/RedPandaIDE/RedPandaIDE.pro
@@ -23,7 +23,8 @@ SOURCES += \
     settingsdialog/settingsdialog.cpp \
     settingsdialog/settingswidget.cpp \
     systemconsts.cpp \
-    utils.cpp
+    utils.cpp \
+    widgets/issuestable.cpp
 
 HEADERS += \
     compiler/compiler.h \
@@ -39,7 +40,9 @@ HEADERS += \
     settingsdialog/settingsdialog.h \
     settingsdialog/settingswidget.h \
     systemconsts.h \
-    utils.h
+    utils.h \
+    common.h \
+    widgets/issuestable.h
 
 FORMS += \
     mainwindow.ui \
diff --git a/RedPandaIDE/common.h b/RedPandaIDE/common.h
new file mode 100644
index 00000000..88859b40
--- /dev/null
+++ b/RedPandaIDE/common.h
@@ -0,0 +1,26 @@
+#ifndef COMMON_H
+#define COMMON_H
+#include <QString>
+#include <memory>
+#include <QMetaType>
+enum class CompileIssueType {
+    Other,
+    Warning,
+    Info,
+    Note,
+    Error,
+};
+
+struct CompileIssue {
+    QString filename;
+    int line;
+    int column;
+    QString description;
+    CompileIssueType type;
+};
+
+typedef std::shared_ptr<CompileIssue> PCompileIssue;
+
+Q_DECLARE_METATYPE(PCompileIssue);
+
+#endif // COMMON_H
diff --git a/RedPandaIDE/compiler/compiler.cpp b/RedPandaIDE/compiler/compiler.cpp
index 312bd6bf..85406de8 100644
--- a/RedPandaIDE/compiler/compiler.cpp
+++ b/RedPandaIDE/compiler/compiler.cpp
@@ -20,6 +20,8 @@ void Compiler::run()
 {
     emit compileStarted();
     if (prepareForCompile()){
+        mErrorCount = 0;
+        mWarningCount = 0;
         QElapsedTimer timer;
         timer.start();
         runCommand(mCompiler, mArguments, QFileInfo(mCompiler).absolutePath());
@@ -27,8 +29,8 @@ void Compiler::run()
         log("");
         log(tr("Compile Result:"));
         log("------------------");
-        log(tr("- Errors: %1").arg(0));
-        log(tr("- Warnings: %1").arg(0));
+        log(tr("- Errors: %1").arg(mErrorCount));
+        log(tr("- Warnings: %1").arg(mWarningCount));
         if (!mOutputFile.isEmpty()) {
             log(tr("- Output Filename: %1").arg(mOutputFile));
             QLocale locale = QLocale::system();
@@ -36,10 +38,136 @@ void Compiler::run()
         }
         log(tr("- Compilation Time: %1 secs").arg(timer.elapsed() / 1000.0));
     }
-    this->deleteLater();
     emit compileFinished();
 }
 
+QString Compiler::getFileNameFromOutputLine(QString &line) {
+    QString temp;
+    line = line.trimmed();
+    while (true) {
+        int pos;
+        if (line.length() > 2 && line[1]==':') { // full file path at start, ignore this ':'
+            pos = line.indexOf(':',2);
+        } else {
+            pos = line.indexOf(':');
+        }
+        if ( pos < 0) {
+            break;
+        }
+        temp = line.mid(0,pos);
+        line.remove(0,pos+1);
+        if (temp.compare("<stdin>", Qt::CaseInsensitive)!=0 && !QFile(temp).exists()) {
+            continue;
+        }
+
+        if (QFile(temp).fileName() == "ld.exe") { // skip ld.exe
+            continue;
+        } else {
+            break;
+        }
+    }
+    return temp;
+}
+
+int Compiler::getLineNumberFromOutputLine(QString &line)
+{
+    line = line.trimmed();
+    int pos = line.indexOf(':');
+    int result=0;
+    if (pos < 0) {
+        pos = line.indexOf(',');
+    }
+    if (pos>=0) {
+        result = line.mid(0,pos).toInt();
+        line.remove(0,pos+1);
+    }
+    return result;
+}
+
+int Compiler::getColunmnFromOutputLine(QString &line)
+{
+    line = line.trimmed();
+    int pos = line.indexOf(':');
+    int result=0;
+    if (pos < 0) {
+        pos = line.indexOf(',');
+    }
+    if (pos>=0) {
+        result = line.mid(0,pos).toInt();
+        line.remove(0,pos+1);
+    }
+    return result;
+}
+
+CompileIssueType Compiler::getIssueTypeFromOutputLine(QString &line)
+{
+    CompileIssueType result = CompileIssueType::Other;
+    line = line.trimmed();
+    int pos = line.indexOf(':');
+    if (pos>=0) {
+        QString s=line.mid(0,pos);
+        if (s == "error" || s == "fatal error") {
+            mErrorCount += 1;
+            line = tr("[Error] ")+line.mid(pos+1);
+            result = CompileIssueType::Error;
+        } else if (s == "warning") {
+            mWarningCount += 1;
+            line = tr("[Warning] ")+line.mid(pos+1);
+            result = CompileIssueType::Warning;
+        } else if (s == "info") {
+            mWarningCount += 1;
+            line = tr("[Info] ")+line.mid(pos+1);
+            result = CompileIssueType::Info;
+        } else if (s == "note") {
+            mWarningCount += 1;
+            line = tr("[Note] ")+line.mid(pos+1);
+            result = CompileIssueType::Note;
+        }
+    }
+    return result;
+}
+
+void Compiler::processOutput(QString &line)
+{
+    QString inFilePrefix = QString("In file included from ");
+    QString fromPrefix = QString("from ");
+    PCompileIssue issue = std::make_shared<CompileIssue>();
+    QString description;
+    issue->type = CompileIssueType::Other;
+    if (line.startsWith(inFilePrefix)) {
+        line.remove(0,inFilePrefix.length());
+        issue->filename = getFileNameFromOutputLine(line);
+        issue->line = getLineNumberFromOutputLine(line);
+        issue->column = getColunmnFromOutputLine(line);
+        issue->type = getIssueTypeFromOutputLine(line);
+        issue->description = inFilePrefix + issue->filename;
+        emit compileIssue(issue);
+        return;
+    } else if(line.startsWith(fromPrefix)) {
+        line.remove(0,fromPrefix.length());
+        issue->filename = getFileNameFromOutputLine(line);
+        issue->line = getLineNumberFromOutputLine(line);
+        issue->column = getColunmnFromOutputLine(line);
+        issue->type = getIssueTypeFromOutputLine(line);
+        issue->description = "                 from " + issue->filename;
+        emit compileIssue(issue);
+        return;
+    }
+
+    // Ignore code snippets that GCC produces
+    // they always start with a space
+    if (line.length()>0 && line[0] == ' ') {
+        return;
+    }
+    // assume regular main.cpp:line:col: message
+    issue->filename = getFileNameFromOutputLine(line);
+    issue->line = getLineNumberFromOutputLine(line);
+    issue->column = getColunmnFromOutputLine(line);
+    issue->type = getIssueTypeFromOutputLine(line);
+    issue->description = line.trimmed();
+    emit compileIssue(issue);
+}
+
 void Compiler::stopCompile()
 {
     mStop = true;
@@ -174,7 +302,7 @@ void Compiler::runCommand(const QString &cmd, const QString  &arguments, const Q
     process.setWorkingDirectory(workingDir);
 
     process.connect(&process, &QProcess::readyReadStandardError,[&process,this](){
-        this->log(process.readAllStandardError());
+        this->error(process.readAllStandardError());
     });
     process.connect(&process, &QProcess::readyReadStandardOutput,[&process,this](){
         this->log(process.readAllStandardOutput());
@@ -203,6 +331,10 @@ void Compiler::log(const QString &msg)
 
 void Compiler::error(const QString &msg)
 {
-    emit compileError(msg);
+    emit compileOutput(msg);
+    for (QString& s:msg.split("\n")) {
+        if (!s.isEmpty())
+            processOutput(s);
+    }
 }
 
diff --git a/RedPandaIDE/compiler/compiler.h b/RedPandaIDE/compiler/compiler.h
index 81a42e58..7dde16d6 100644
--- a/RedPandaIDE/compiler/compiler.h
+++ b/RedPandaIDE/compiler/compiler.h
@@ -3,6 +3,7 @@
 
 #include <QThread>
 #include "settings.h"
+#include "../common.h"
 
 class Compiler : public QThread
 {
@@ -21,12 +22,17 @@ signals:
     void compileStarted();
     void compileFinished();
     void compileOutput(const QString& msg);
-    void compileError(const QString& errorMsg);
+    void compileIssue(PCompileIssue issue);
 public slots:
     void stopCompile();
 
 protected:
     void run() override;
+    void processOutput(QString& line);
+    virtual QString getFileNameFromOutputLine(QString &line);
+    virtual int getLineNumberFromOutputLine(QString &line);
+    virtual int getColunmnFromOutputLine(QString &line);
+    virtual CompileIssueType getIssueTypeFromOutputLine(QString &line);
 
 protected:
     virtual Settings::PCompilerSet compilerSet() = 0;
@@ -47,6 +53,8 @@ protected:
     QString mCompiler;
     QString mArguments;
     QString mOutputFile;
+    int mErrorCount;
+    int mWarningCount;
 
 private:
     bool mStop;
diff --git a/RedPandaIDE/compiler/compilermanager.cpp b/RedPandaIDE/compiler/compilermanager.cpp
index 40ba000f..943d4274 100644
--- a/RedPandaIDE/compiler/compilermanager.cpp
+++ b/RedPandaIDE/compiler/compilermanager.cpp
@@ -31,7 +31,7 @@ void CompilerManager::compile(const QString& filename, const QByteArray& encodin
     mCompiler = new FileCompiler(filename,encoding,silent,onlyCheckSyntax);
     connect(mCompiler, &Compiler::compileFinished, this ,&CompilerManager::onCompileFinished);
     connect(mCompiler, &Compiler::compileOutput, pMainWindow, &MainWindow::onCompileLog);
-    connect(mCompiler, &Compiler::compileError, pMainWindow, &MainWindow::onCompileError);
+    connect(mCompiler, &Compiler::compileIssue, pMainWindow, &MainWindow::onCompileIssue);
     mCompiler->start();
 }
 
@@ -41,7 +41,6 @@ void CompilerManager::run(const QString &filename, const QString &arguments, con
     if (mRunner!=nullptr) {
         return;
     }
-    qDebug()<<"lala1";
     if (programHasConsole(filename)) {
         QString newArguments = QString(" 0 \"%1\" %2").arg(toLocalPath(filename)).arg(arguments);
         mRunner = new ExecutableRunner(includeTrailingPathDelimiter(pSettings->dirs().app())+"ConsolePauser.exe",newArguments,workDir);
@@ -62,6 +61,7 @@ void CompilerManager::onCompileFinished()
     QMutexLocker locker(&compileMutex);
     qDebug() << "Compile finished";
     mCompiler=nullptr;
+    delete mCompiler;
 }
 
 void CompilerManager::onRunnerTerminated()
diff --git a/RedPandaIDE/compiler/filecompiler.h b/RedPandaIDE/compiler/filecompiler.h
index 30c47d77..dfb3bf36 100644
--- a/RedPandaIDE/compiler/filecompiler.h
+++ b/RedPandaIDE/compiler/filecompiler.h
@@ -17,6 +17,7 @@ protected:
 private:
     QString mFileName;
     QByteArray mEncoding;
+
 };
 
 #endif // FILECOMPILER_H
diff --git a/RedPandaIDE/editor.cpp b/RedPandaIDE/editor.cpp
index 39fc53fd..1bfd3990 100644
--- a/RedPandaIDE/editor.cpp
+++ b/RedPandaIDE/editor.cpp
@@ -68,11 +68,17 @@ Editor::Editor(QWidget *parent, const QString& filename,
     this->setFolding(FoldStyle::BoxedTreeFoldStyle,3);
     this->setTabWidth(4);
 
+    this->setCaretLineVisible(true);
+    this->setCaretLineBackgroundColor(QColor(0xCCFFFF));
+    this->setMatchedBraceForegroundColor(QColor("Red"));
+
+
+    this->setBraceMatching(BraceMatch::SloppyBraceMatch);
     //行号显示区域
     setMarginType(0, QsciScintilla::NumberMargin);
     setMarginLineNumbers(0, true);
     setMarginWidth(0,"10");
-    this->onLinesChanged();
+    this->onLinesChanged(0,0);
     //断点设置区域
     setMarginType(1, QsciScintilla::SymbolMargin);
     setMarginLineNumbers(1, false);
@@ -107,8 +113,8 @@ Editor::Editor(QWidget *parent, const QString& filename,
             this,SLOT(onModificationChanged(bool)));
     connect(this , SIGNAL(cursorPositionChanged(int,int)),
             this, SLOT(onCursorPositionChanged(int,int)));
-    connect(this, SIGNAL(linesChanged()),
-            this,SLOT(onLinesChanged()));
+    connect(this, SIGNAL(linesChanged(int,int)),
+            this,SLOT(onLinesChanged(int, int)));
 
 }
 
@@ -280,7 +286,7 @@ void Editor::wheelEvent(QWheelEvent *event) {
         } else {
             this->zoomOut();
         }
-        onLinesChanged();
+        onLinesChanged(0,0);
     }
 }
 
@@ -292,10 +298,10 @@ void Editor::onCursorPositionChanged(int line, int index) {
     pMainWindow->updateStatusBarForEditingInfo(line,index+1,lines(),text().length());
 }
 
-void Editor::onLinesChanged() {
+void Editor::onLinesChanged(int startLine, int count) {
     this->setMarginWidth(0,QString("0%1").arg(lines()));
-    qDebug()<<marginWidth(0);
     qDebug()<<"Editor lines changed"<<lines();
+    qDebug()<<startLine<<count;
 }
 
 void Editor::updateCaption(const QString& newCaption) {
diff --git a/RedPandaIDE/editor.h b/RedPandaIDE/editor.h
index 0e57d60c..e14796e3 100644
--- a/RedPandaIDE/editor.h
+++ b/RedPandaIDE/editor.h
@@ -58,7 +58,7 @@ signals:
 protected slots:
     void onModificationChanged(bool status) ;
     void onCursorPositionChanged(int line, int index) ;
-    void onLinesChanged() ;
+    void onLinesChanged(int startLine, int count) ;
 
 private:
     QByteArray mEncodingOption; // the encoding type set by the user
diff --git a/RedPandaIDE/main.cpp b/RedPandaIDE/main.cpp
index 6d9f75e3..c5d48b96 100644
--- a/RedPandaIDE/main.cpp
+++ b/RedPandaIDE/main.cpp
@@ -9,6 +9,7 @@
 #include <QStandardPaths>
 #include <QMessageBox>
 #include <QStringList>
+#include "common.h"
 
 Settings* createAppSettings(const QString& filepath = QString()) {
     QString filename;
@@ -47,6 +48,9 @@ int main(int argc, char *argv[])
 {
     QApplication app(argc, argv);
 
+    qRegisterMetaType<PCompileIssue>("PCompileIssue");
+    qRegisterMetaType<PCompileIssue>("PCompileIssue&");
+
 //load translations
     QTranslator trans;
     trans.load(("RedPandaIDE_zh_CN"));
diff --git a/RedPandaIDE/mainwindow.cpp b/RedPandaIDE/mainwindow.cpp
index 810c722f..c57cd071 100644
--- a/RedPandaIDE/mainwindow.cpp
+++ b/RedPandaIDE/mainwindow.cpp
@@ -42,6 +42,12 @@ MainWindow::MainWindow(QWidget *parent)
     updateCompilerSet();
 
     mCompilerManager = new CompilerManager(this);
+
+    ui->actionIndent->setShortcut(Qt::Key_Tab);
+    ui->actionUnIndent->setShortcut(Qt::Key_Tab | Qt::ShiftModifier);
+
+    ui->tableIssues->setErrorColor(QColor("Red"));
+    ui->tableIssues->setWarningColor(QColor("Orange"));
 }
 
 MainWindow::~MainWindow()
@@ -177,15 +183,16 @@ void MainWindow::onCompileLog(const QString &msg)
     ui->txtCompilerOutput->appendPlainText(msg);
 }
 
-void MainWindow::onCompileError(const QString &msg)
+void MainWindow::onCompileIssue(PCompileIssue issue)
 {
-    qDebug()<<msg;
+    ui->tableIssues->addIssue(issue);
 }
 
 void MainWindow::on_actionCompile_triggered()
 {
     Editor * editor = mEditorList->getEditor();
     if (editor != NULL ) {
+        ui->tableIssues->clearIssues();
         mCompilerManager->compile(editor->filename(),editor->fileEncoding());
     }
 }
@@ -262,3 +269,28 @@ void MainWindow::on_actionUnIndent_triggered()
         editor->unindent();
     }
 }
+
+void MainWindow::on_actionToggleComment_triggered()
+{
+    Editor * editor = mEditorList->getEditor();
+    if (editor != NULL ) {
+        editor->toggleComment();
+    }
+}
+
+void MainWindow::on_actionUnfoldAll_triggered()
+{
+    Editor * editor = mEditorList->getEditor();
+    if (editor != NULL ) {
+        editor->clearFolds();
+    }
+}
+
+void MainWindow::on_actionFoldAll_triggered()
+{
+    Editor * editor = mEditorList->getEditor();
+    if (editor != NULL ) {
+        editor->clearFolds();
+        editor->foldAll();
+    }
+}
diff --git a/RedPandaIDE/mainwindow.h b/RedPandaIDE/mainwindow.h
index ead51c93..77ab851c 100644
--- a/RedPandaIDE/mainwindow.h
+++ b/RedPandaIDE/mainwindow.h
@@ -2,6 +2,7 @@
 #define MAINWINDOW_H
 
 #include <QMainWindow>
+#include "common.h"
 
 
 QT_BEGIN_NAMESPACE
@@ -63,10 +64,15 @@ private slots:
 
     void on_actionUnIndent_triggered();
 
+    void on_actionToggleComment_triggered();
+
+    void on_actionUnfoldAll_triggered();
+
+    void on_actionFoldAll_triggered();
+
 public slots:
     void onCompileLog(const QString& msg);
-
-    void onCompileError(const QString& msg);
+    void onCompileIssue(PCompileIssue issue);
 
 private:
     void setupActions();
@@ -81,7 +87,6 @@ private:
     QComboBox* mCompilerSet;
     CompilerManager* mCompilerManager;
 
-
    // QWidget interface
 protected:
     void closeEvent(QCloseEvent *event) override;
diff --git a/RedPandaIDE/mainwindow.ui b/RedPandaIDE/mainwindow.ui
index 765bd9fd..b2f31b7c 100644
--- a/RedPandaIDE/mainwindow.ui
+++ b/RedPandaIDE/mainwindow.ui
@@ -160,9 +160,44 @@
        <property name="currentIndex">
         <number>0</number>
        </property>
+       <widget class="QWidget" name="tabIssues">
+        <attribute name="title">
+         <string>Issues</string>
+        </attribute>
+        <layout class="QHBoxLayout" name="horizontalLayout_3">
+         <property name="leftMargin">
+          <number>5</number>
+         </property>
+         <property name="topMargin">
+          <number>5</number>
+         </property>
+         <property name="rightMargin">
+          <number>5</number>
+         </property>
+         <property name="bottomMargin">
+          <number>5</number>
+         </property>
+         <item>
+          <widget class="IssuesTable" name="tableIssues">
+           <property name="editTriggers">
+            <set>QAbstractItemView::NoEditTriggers</set>
+           </property>
+           <property name="tabKeyNavigation">
+            <bool>false</bool>
+           </property>
+           <property name="showDropIndicator" stdset="0">
+            <bool>false</bool>
+           </property>
+           <property name="selectionMode">
+            <enum>QAbstractItemView::SingleSelection</enum>
+           </property>
+          </widget>
+         </item>
+        </layout>
+       </widget>
        <widget class="QWidget" name="tabCompilerOutput">
         <attribute name="title">
-         <string>Compiler Output</string>
+         <string>Compile Log</string>
         </attribute>
         <layout class="QHBoxLayout" name="horizontalLayout_2">
          <property name="leftMargin">
@@ -247,6 +282,11 @@
     <addaction name="separator"/>
     <addaction name="actionIndent"/>
     <addaction name="actionUnIndent"/>
+    <addaction name="separator"/>
+    <addaction name="actionToggleComment"/>
+    <addaction name="separator"/>
+    <addaction name="actionFoldAll"/>
+    <addaction name="actionUnfoldAll"/>
    </widget>
    <addaction name="menuFile"/>
    <addaction name="menuEdit"/>
@@ -488,7 +528,32 @@
     <string>UnIndent</string>
    </property>
   </action>
+  <action name="actionToggleComment">
+   <property name="text">
+    <string>Toggle Comment</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+/</string>
+   </property>
+  </action>
+  <action name="actionFoldAll">
+   <property name="text">
+    <string>Collapse All</string>
+   </property>
+  </action>
+  <action name="actionUnfoldAll">
+   <property name="text">
+    <string>Uncollapse All</string>
+   </property>
+  </action>
  </widget>
+ <customwidgets>
+  <customwidget>
+   <class>IssuesTable</class>
+   <extends>QTableView</extends>
+   <header>widgets/issuestable.h</header>
+  </customwidget>
+ </customwidgets>
  <resources/>
  <connections/>
 </ui>
diff --git a/RedPandaIDE/systemconsts.h b/RedPandaIDE/systemconsts.h
index 0c807fa7..e1f1e7c0 100644
--- a/RedPandaIDE/systemconsts.h
+++ b/RedPandaIDE/systemconsts.h
@@ -3,6 +3,7 @@
 
 #include <QStringList>
 
+#ifdef Q_OS_WIN
 #define APP_SETTSINGS_FILENAME "redpandacpp.ini"
 #define GCC_PROGRAM     "gcc.exe"
 #define GPP_PROGRAM     "g++.exe"
@@ -13,6 +14,9 @@
 #define GPROF_PROGRAM   "gprof.exe"
 #define CLEAN_PROGRAM   "rm.exe"
 #define CPP_PROGRAM     "cpp.exe"
+#else
+#error "Only support windows now!"
+#endif
 
 #ifdef Q_OS_WIN
 #   define PATH_SENSITIVITY Qt::CaseInsensitive
diff --git a/RedPandaIDE/widgets/issuestable.cpp b/RedPandaIDE/widgets/issuestable.cpp
new file mode 100644
index 00000000..1914acf8
--- /dev/null
+++ b/RedPandaIDE/widgets/issuestable.cpp
@@ -0,0 +1,143 @@
+#include "issuestable.h"
+#include <QHeaderView>
+
+
+IssuesTable::IssuesTable(QWidget *parent):
+    QTableView(parent)
+{
+    mModel = new IssuesModel(this);
+    this->setModel(mModel);
+    this->horizontalHeader()->setSectionResizeMode(QHeaderView::Fixed);
+    this->horizontalHeader()->setSectionResizeMode(3,QHeaderView::Stretch);
+    this->setColumnWidth(0,200);
+    this->setColumnWidth(1,60);
+    this->setColumnWidth(2,60);
+
+}
+
+IssuesModel *IssuesTable::issuesModel()
+{
+    return mModel;
+}
+
+void IssuesTable::setErrorColor(QColor color)
+{
+    mModel->setErrorColor(color);
+}
+
+void IssuesTable::setWarningColor(QColor color)
+{
+    mModel->setWarningColor(color);
+}
+
+IssuesModel::IssuesModel(QObject *parent):
+    QAbstractTableModel(parent)
+{
+
+}
+
+void IssuesModel::addIssue(PCompileIssue issue)
+{
+    beginInsertColumns(QModelIndex(),mIssues.size(),mIssues.size());
+    mIssues.push_back(issue);
+    endInsertRows();
+}
+
+void IssuesModel::clearIssues()
+{
+    if (mIssues.size()>0) {
+        beginRemoveRows(QModelIndex(),0,mIssues.size()-1);
+        mIssues.clear();
+        endRemoveRows();
+    }
+}
+
+void IssuesModel::setErrorColor(QColor color)
+{
+    mErrorColor = color;
+}
+
+void IssuesModel::setWarningColor(QColor color)
+{
+    mWarningColor = color;
+}
+
+void IssuesTable::addIssue(PCompileIssue issue)
+{
+    mModel->addIssue(issue);
+}
+
+void IssuesTable::clearIssues()
+{
+    mModel->clearIssues();
+}
+
+int IssuesModel::rowCount(const QModelIndex &) const
+{
+    return mIssues.size();
+}
+
+int IssuesModel::columnCount(const QModelIndex &) const
+{
+    return 4;
+}
+
+QVariant IssuesModel::data(const QModelIndex &index, int role) const
+{
+    if (!index.isValid())
+        return QVariant();
+    if (index.row()<0 || index.row() >= static_cast<int>(mIssues.size()))
+        return QVariant();
+    PCompileIssue issue = mIssues[index.row()];
+    if (!issue)
+        return QVariant();
+    switch (role) {
+    case Qt::DisplayRole:
+        switch (index.column()) {
+        case 0:
+            return issue->filename;
+        case 1:
+            if (issue->line>0)
+                return issue->line;
+            else
+                return "";
+        case 2:
+            if (issue->column>0)
+                return issue->column;
+            else
+                return "";
+        case 3:
+            return issue->description;
+        default:
+            return QVariant();
+        }
+    case Qt::ForegroundRole:
+        switch(issue->type) {
+        case CompileIssueType::Error:
+            return mErrorColor;
+        case CompileIssueType::Warning:
+            return mWarningColor;
+        default:
+            return QVariant();
+        }
+    default:
+        return QVariant();
+    }
+}
+
+QVariant IssuesModel::headerData(int section, Qt::Orientation orientation, int role) const
+{
+    if (orientation == Qt::Horizontal && role ==  Qt::DisplayRole) {
+        switch(section) {
+        case 0:
+            return tr("Filename");
+        case 1:
+            return tr("Line");
+        case 2:
+            return tr("Col");
+        case 3:
+            return tr("Description");
+        }
+    }
+    return QVariant();
+}
diff --git a/RedPandaIDE/widgets/issuestable.h b/RedPandaIDE/widgets/issuestable.h
new file mode 100644
index 00000000..b2e40b43
--- /dev/null
+++ b/RedPandaIDE/widgets/issuestable.h
@@ -0,0 +1,57 @@
+#ifndef ISSUESTABLE_H
+#define ISSUESTABLE_H
+
+#include <QTableView>
+#include <vector>
+#include "../common.h"
+#include <QAbstractTableModel>
+
+class IssuesModel : public QAbstractTableModel {
+
+    Q_OBJECT
+public:
+    explicit IssuesModel(QObject *parent = nullptr);
+
+public slots:
+    void addIssue(PCompileIssue issue);
+    void clearIssues();
+
+    void setErrorColor(QColor color);
+    void setWarningColor(QColor color);
+private:
+    std::vector<PCompileIssue> mIssues;
+    QColor mErrorColor;
+    QColor mWarningColor;
+
+    // QAbstractItemModel interface
+public:
+    int rowCount(const QModelIndex &parent) const override;
+    int columnCount(const QModelIndex &parent) const override;
+    QVariant data(const QModelIndex &index, int role) const override;
+    QVariant headerData(int section, Qt::Orientation orientation, int role) const override;
+};
+
+class IssuesTable : public QTableView
+{
+    Q_OBJECT
+public:
+
+    explicit IssuesTable(QWidget* parent = nullptr);
+
+    const std::vector<PCompileIssue> & issues() const;
+
+    IssuesModel* issuesModel();
+
+    void setErrorColor(QColor color);
+    void setWarningColor(QColor color);
+
+public slots:
+    void addIssue(PCompileIssue issue);
+
+    void clearIssues();
+
+private:
+    IssuesModel * mModel;
+};
+
+#endif // ISSUESTABLE_H