Use rizin instead of Qt to parse JSON (#2902)

Qt truncates integers to 52-bit, corrupting e.g. memory addresses. Use
rizin's JSON parser, which can parse integers whose size is up to 64
bits.

docs/source/contributing/code/development-guidelines.rst

@@ -47,7 +47,7 @@ Example:
 
 .. code:: cpp
 
-   QJsonArray array = Core()->cmdj("pdj 1 @ main").array();
+   CutterJson array = Core()->cmdj("pdj 1 @ main");
 
 Seek the Current File
 ~~~~~~~~~~~~~~~~~~~~~

src/CMakeLists.txt

@@ -4,6 +4,7 @@ configure_file("${CMAKE_CURRENT_SOURCE_DIR}/CutterConfig.h.in"
 set(SOURCES
     Main.cpp
     core/Cutter.cpp
+    core/CutterJson.cpp
     dialogs/EditStringDialog.cpp
     dialogs/WriteCommandsDialogs.cpp
     widgets/DisassemblerGraphView.cpp
@@ -153,6 +154,7 @@ set(HEADER_FILES
     core/Cutter.h
     core/CutterCommon.h
     core/CutterDescriptions.h
+    core/CutterJson.h
     dialogs/EditStringDialog.h
     dialogs/WriteCommandsDialogs.h
     widgets/DisassemblerGraphView.h

src/common/BugReporting.cpp

@@ -12,13 +12,13 @@ void openIssue()
     // Pull in info needed for git issue
     osInfo = QSysInfo::productType() + " "
             + (QSysInfo::productVersion() == "unknown" ? "" : QSysInfo::productVersion());
-    QJsonDocument docu = Core()->getFileInfo();
+    CutterJson docu = Core()->getFileInfo();
-    QJsonObject coreObj = docu.object()["core"].toObject();
+    CutterJson coreObj = docu["core"];
-    QJsonObject binObj = docu.object()["bin"].toObject();
+    CutterJson binObj = docu["bin"];
-    if (!binObj.QJsonObject::isEmpty()) {
+    if (binObj.size()) {
         format = coreObj["format"].toString();
         arch = binObj["arch"].toString();
-        if (!binObj["type"].isUndefined()) {
+        if (binObj["type"].valid()) {
             type = coreObj["type"].toString();
         } else {
             type = "N/A";

src/common/ColorThemeWorker.cpp

@@ -128,22 +128,34 @@ bool ColorThemeWorker::isThemeExist(const QString &name) const
 QJsonDocument ColorThemeWorker::getTheme(const QString &themeName) const
 {
     int r, g, b, a;
+    CutterJson rzTheme;
     QVariantMap theme;
     QString curr = Config()->getColorTheme();
 
     if (themeName != curr) {
         RzCoreLocked core(Core());
         rz_core_theme_load(core, themeName.toUtf8().constData());
-        theme = Core()->cmdj("ecj").object().toVariantMap();
+        rzTheme = Core()->cmdj("ecj");
         rz_core_theme_load(core, curr.toUtf8().constData());
     } else {
-        theme = Core()->cmdj("ecj").object().toVariantMap();
+        rzTheme = Core()->cmdj("ecj");
     }
 
-    for (auto it = theme.begin(); it != theme.end(); it++) {
+    for (CutterJson value : rzTheme) {
-        auto arr = it.value().toList();
+        QJsonArray arr;
-        QColor(arr[0].toInt(), arr[1].toInt(), arr[2].toInt()).getRgb(&r, &g, &b, &a);
+        int count = 0;
-        theme[it.key()] = QJsonArray({ r, g, b, a });
+        for (CutterJson element : value) {
+            arr.append(element.toSt64());
+            count++;
+            if (count >= 3) {
+                break;
+            }
+        }
+        while (count < 3) {
+            arr.append(0);
+        }
+        arr.append(255);
+        theme[value.key()] = arr;
     }
 
     ColorFlags colorFlags = ColorFlags::DarkFlag;
@@ -278,9 +290,8 @@ bool ColorThemeWorker::isFileTheme(const QString &filePath, bool *ok) const
     }
 
     const QString colors = "black|red|white|green|magenta|yellow|cyan|blue|gray|none";
-    QString options = (Core()->cmdj("ecj").object().keys() << cutterSpecificOptions)
+    QString options =
-                              .join('|')
+            (Core()->cmdj("ecj").keys() << cutterSpecificOptions).join('|').replace(".", "\\.");
-                              .replace(".", "\\.");
 
     QString pattern = QString("((ec\\s+(%1)\\s+(((rgb:|#)[0-9a-fA-F]{3,8})|(%2))))\\s*")
                               .arg(options)
@@ -315,7 +326,7 @@ QStringList ColorThemeWorker::customThemes() const
 const QStringList &ColorThemeWorker::getRizinSpecificOptions()
 {
     if (rizinSpecificOptions.isEmpty()) {
-        rizinSpecificOptions = Core()->cmdj("ecj").object().keys();
+        rizinSpecificOptions = Core()->cmdj("ecj").keys();
     }
     return rizinSpecificOptions;
 }

src/common/ColorThemeWorker.h

@@ -5,6 +5,7 @@
 #include <QColor>
 #include <QObject>
 #include "Cutter.h"
+#include <QJsonDocument>
 #include <QJsonObject>
 
 #define ThemeWorker() (ColorThemeWorker::instance())

src/common/Decompiler.cpp

@@ -33,40 +33,37 @@ void JSDecDecompiler::decompileAt(RVA addr)
     }
     task = new RizinCmdTask("pddj @ " + QString::number(addr));
     connect(task, &RizinCmdTask::finished, this, [this]() {
-        QJsonObject json = task->getResultJson().object();
+        CutterJson json = task->getResultJson();
         delete task;
         task = nullptr;
-        if (json.isEmpty()) {
+        if (!json.size()) {
             emit finished(Decompiler::makeWarning(tr("Failed to parse JSON from jsdec")));
             return;
         }
         RzAnnotatedCode *code = rz_annotated_code_new(nullptr);
         QString codeString = "";
-        for (const auto &line : json["log"].toArray()) {
+        for (auto line : json["log"]) {
-            if (!line.isString()) {
+            if (line.type() != RZ_JSON_STRING) {
                 continue;
             }
             codeString.append(line.toString() + "\n");
         }
 
-        auto linesArray = json["lines"].toArray();
+        for (auto lineObject : json["lines"]) {
-        for (const auto &line : linesArray) {
+            if (!lineObject.size()) {
-            QJsonObject lineObject = line.toObject();
-            if (lineObject.isEmpty()) {
                 continue;
             }
             RzCodeAnnotation annotationi = {};
             annotationi.start = codeString.length();
             codeString.append(lineObject["str"].toString() + "\n");
             annotationi.end = codeString.length();
-            bool ok;
             annotationi.type = RZ_CODE_ANNOTATION_TYPE_OFFSET;
-            annotationi.offset.offset = lineObject["offset"].toVariant().toULongLong(&ok);
+            annotationi.offset.offset = lineObject["offset"].toUt64();
             rz_annotated_code_add_annotation(code, &annotationi);
         }
 
-        for (const auto &line : json["errors"].toArray()) {
+        for (auto line : json["errors"]) {
-            if (!line.isString()) {
+            if (line.type() != RZ_JSON_STRING) {
                 continue;
             }
             codeString.append(line.toString() + "\n");

src/common/IOModesController.cpp

@@ -78,11 +78,10 @@ bool IOModesController::prepareForWriting()
 bool IOModesController::allChangesComitted()
 {
     // Get a list of available write changes
-    QJsonArray changes = Core()->cmdj("wcj").array();
+    CutterJson changes = Core()->cmdj("wcj");
 
     // Check if there is a change which isn't written to the file
-    for (const QJsonValue &value : changes) {
+    for (CutterJson changeObject : changes) {
-        QJsonObject changeObject = value.toObject();
         if (!changeObject["written"].toBool()) {
             return false;
         }

src/common/RizinTask.cpp

@@ -54,13 +54,15 @@ QString RizinCmdTask::getResult()
     return QString::fromUtf8(res);
 }
 
-QJsonDocument RizinCmdTask::getResultJson()
+CutterJson RizinCmdTask::getResultJson()
 {
     const char *res = rz_core_cmd_task_get_result(task);
     if (!res) {
-        return QJsonDocument();
+        return CutterJson();
     }
-    return Core()->parseJson(res, nullptr);
+    char *copy = static_cast<char *>(rz_mem_alloc(strlen(res) + 1));
+    strcpy(copy, res);
+    return Core()->parseJson(copy, nullptr);
 }
 
 const char *RizinCmdTask::getResultRaw()

src/common/RizinTask.h

@@ -38,7 +38,7 @@ public:
     explicit RizinCmdTask(const QString &cmd, bool transient = true);
 
     QString getResult();
-    QJsonDocument getResultJson();
+    CutterJson getResultJson();
     const char *getResultRaw();
 };
 

src/common/SettingsUpgrade.cpp

@@ -181,7 +181,7 @@ void Cutter::initializeSettings()
 
 static void removeObsoleteOptionsFromCustomThemes()
 {
-    const QStringList options = Core()->cmdj("ecj").object().keys()
+    const QStringList options = Core()->cmdj("ecj").keys()
             << ColorThemeWorker::cutterSpecificOptions;
     RzList *themes_list = rz_core_theme_list(Core()->core());
     RzListIter *th_iter;

src/core/Cutter.h

@@ -3,15 +3,16 @@
 
 #include "core/CutterCommon.h"
 #include "core/CutterDescriptions.h"
+#include "core/CutterJson.h"
 #include "common/BasicInstructionHighlighter.h"
 
 #include <QMap>
 #include <QMenu>
 #include <QDebug>
 #include <QObject>
+#include <QSharedPointer>
 #include <QStringList>
 #include <QMessageBox>
-#include <QJsonDocument>
 #include <QErrorMessage>
 #include <QMutex>
 #include <QDir>
@@ -34,6 +35,29 @@ class RizinTaskDialog;
 
 class RzCoreLocked;
 
+struct CUTTER_EXPORT AddrRefs
+{
+    RVA addr;
+    QString mapname;
+    QString section;
+    QString reg;
+    QString fcn;
+    QString type;
+    QString asm_op;
+    QString perms;
+    ut64 value;
+    bool has_value;
+    QString string;
+    QSharedPointer<AddrRefs> ref;
+};
+
+struct CUTTER_EXPORT RegisterRef
+{
+    ut64 value;
+    AddrRefs ref;
+    QString name;
+};
+
 class CUTTER_EXPORT CutterCore : public QObject
 {
     Q_OBJECT
@@ -124,16 +148,16 @@ public:
         seekSilent(oldOffset);
     }
 
-    QJsonDocument cmdj(const char *str);
+    CutterJson cmdj(const char *str);
-    QJsonDocument cmdj(const QString &str) { return cmdj(str.toUtf8().constData()); }
+    CutterJson cmdj(const QString &str) { return cmdj(str.toUtf8().constData()); }
-    QJsonDocument cmdjAt(const char *str, RVA address);
+    CutterJson cmdjAt(const char *str, RVA address);
     QStringList cmdList(const char *str)
     {
         return cmd(str).split(QLatin1Char('\n'), CUTTER_QT_SKIP_EMPTY_PARTS);
     }
     QStringList cmdList(const QString &str) { return cmdList(str.toUtf8().constData()); }
     QString cmdTask(const QString &str);
-    QJsonDocument cmdjTask(const QString &str);
+    CutterJson cmdjTask(const QString &str);
     /**
      * @brief send a command to Rizin and check for ESIL errors
      * @param command the command you want to execute
@@ -159,8 +183,8 @@ public:
     QString getRizinVersionReadable();
     QString getVersionInformation();
 
-    QJsonDocument parseJson(const char *res, const char *cmd = nullptr);
+    CutterJson parseJson(char *res, const char *cmd = nullptr);
-    QJsonDocument parseJson(const char *res, const QString &cmd = QString())
+    CutterJson parseJson(char *res, const QString &cmd = QString())
     {
         return parseJson(res, cmd.isNull() ? nullptr : cmd.toLocal8Bit().constData());
     }
@@ -376,8 +400,8 @@ public:
     bool sdbSet(QString path, QString key, QString val);
 
     /* Debug */
-    QJsonDocument getRegistersInfo();
+    CutterJson getRegistersInfo();
-    QJsonDocument getRegisterValues();
+    CutterJson getRegisterValues();
     QString getRegisterName(QString registerRole);
     RVA getProgramCounterValue();
     void setRegister(QString regName, QString regValue);
@@ -391,32 +415,32 @@ public:
      * @param size number of bytes to scan
      * @param depth telescoping depth
      */
-    QList<QJsonObject> getStack(int size = 0x100, int depth = 6);
+    QList<AddrRefs> getStack(int size = 0x100, int depth = 6);
     /**
      * @brief Recursively dereferences pointers starting at the specified address
      *        up to a given depth
      * @param addr telescoping addr
      * @param depth telescoping depth
      */
-    QJsonObject getAddrRefs(RVA addr, int depth);
+    AddrRefs getAddrRefs(RVA addr, int depth);
     /**
      * @brief return a RefDescription with a formatted ref string and configured colors
      * @param ref the "ref" JSON node from getAddrRefs
      */
-    RefDescription formatRefDesc(QJsonObject ref);
+    RefDescription formatRefDesc(const AddrRefs &ref);
     /**
      * @brief Get a list of a given process's threads
      * @param pid The pid of the process, -1 for the currently debugged process
      * @return JSON object result of dptj
      */
-    QJsonDocument getProcessThreads(int pid);
+    CutterJson getProcessThreads(int pid);
     /**
      * @brief Get a list of a given process's child processes
      * @param pid The pid of the process, -1 for the currently debugged process
      * @return JSON object result of dptj
      */
-    QJsonDocument getChildProcesses(int pid);
+    CutterJson getChildProcesses(int pid);
-    QJsonDocument getBacktrace();
+    CutterJson getBacktrace();
     /**
      * @brief Get a list of heap chunks
      * Uses RZ_API rz_heap_chunks_list to get vector of chunks
@@ -532,9 +556,9 @@ public:
     bool registerDecompiler(Decompiler *decompiler);
 
     RVA getOffsetJump(RVA addr);
-    QJsonDocument getFileInfo();
+    CutterJson getFileInfo();
-    QJsonDocument getSignatureInfo();
+    CutterJson getSignatureInfo();
-    QJsonDocument getFileVersionInfo();
+    CutterJson getFileVersionInfo();
     QStringList getStats();
     void setGraphEmpty(bool empty);
     bool isGraphEmpty();
@@ -631,7 +655,7 @@ public:
      * @brief returns a list of reg values and their telescoped references
      * @param depth telescoping depth
      */
-    QList<QJsonObject> getRegisterRefs(int depth = 6);
+    QList<RegisterRef> getRegisterRefs(int depth = 6);
     QVector<RegisterRefValueDescription> getRegisterRefValues();
     QList<VariableDescription> getVariables(RVA at);
     /**
@@ -649,7 +673,7 @@ public:
     QList<XrefDescription> getXRefs(RVA addr, bool to, bool whole_function,
                                     const QString &filterType = QString());
 
-    QList<StringDescription> parseStringsJson(const QJsonDocument &doc);
+    QList<StringDescription> parseStringsJson(const CutterJson &doc);
 
     void handleREvent(int type, void *data);
 

src/core/CutterJson.cpp

@@ -0,0 +1,28 @@
+#include "core/CutterJson.h"
+
+CutterJson CutterJson::last() const
+{
+    if (!has_children()) {
+        return CutterJson();
+    }
+
+    const RzJson *last = value->children.first;
+    while (last->next) {
+        last = last->next;
+    }
+
+    return CutterJson(last, owner);
+}
+
+QStringList CutterJson::keys() const
+{
+    QStringList list;
+
+    if (value && value->type == RZ_JSON_OBJECT) {
+        for (const RzJson *child = value->children.first; child; child = child->next) {
+            list.append(child->key);
+        }
+    }
+
+    return list;
+}

src/core/CutterJson.h

@@ -0,0 +1,119 @@
+#ifndef CUTTER_JSON_H
+#define CUTTER_JSON_H
+
+#include "core/CutterCommon.h"
+
+#include <QSharedPointer>
+#include <QString>
+#include <QStringList>
+#include <rz_project.h>
+
+class CutterJsonOwner;
+
+class CUTTER_EXPORT CutterJson
+{
+public:
+    class iterator
+    {
+    public:
+        iterator(const RzJson *value, QSharedPointer<CutterJsonOwner> owner)
+            : value(value), owner(owner)
+        {
+        }
+
+        CutterJson operator*() const { return CutterJson(value, owner); }
+
+        bool operator!=(const iterator &other) const { return value != other.value; }
+
+        iterator &operator++()
+        {
+            value = value->next;
+            return *this;
+        }
+
+    private:
+        const RzJson *value;
+        QSharedPointer<CutterJsonOwner> owner;
+    };
+
+    CutterJson() : value(nullptr), owner(nullptr) {}
+
+    CutterJson(const RzJson *value, QSharedPointer<CutterJsonOwner> owner)
+        : value(value), owner(owner)
+    {
+    }
+
+    CutterJson first() const
+    {
+        return CutterJson(has_children() ? value->children.first : nullptr, owner);
+    }
+
+    CutterJson last() const;
+
+    CutterJson operator[](const QString &key) const
+    {
+        QByteArray utf8 = key.toUtf8();
+        return (*this)[utf8.data()];
+    }
+
+    CutterJson operator[](const char *key) const
+    {
+        return CutterJson(
+                value && value->type == RZ_JSON_OBJECT ? rz_json_get(value, key) : nullptr, owner);
+    }
+
+    iterator begin() const
+    {
+        return iterator(has_children() ? value->children.first : nullptr, owner);
+    }
+
+    iterator end() const { return iterator(nullptr, nullptr); }
+
+    bool toBool() const { return value && value->type == RZ_JSON_BOOLEAN && value->num.u_value; }
+    QString toJson() const { return rz_json_as_string(value); }
+    st64 toSt64() const { return value && value->type == RZ_JSON_INTEGER ? value->num.s_value : 0; }
+    ut64 toUt64() const { return value && value->type == RZ_JSON_INTEGER ? value->num.u_value : 0; }
+
+    RVA toRVA() const
+    {
+        return value && value->type == RZ_JSON_INTEGER ? value->num.u_value : RVA_INVALID;
+    }
+
+    QString toString() const
+    {
+        return value && value->type == RZ_JSON_STRING ? QString(value->str_value) : QString();
+    }
+
+    QString key() const { return value ? value->key : QString(); }
+    QStringList keys() const;
+    size_t size() const { return has_children() ? value->children.count : 0; }
+    RzJsonType type() const { return value ? value->type : RZ_JSON_NULL; }
+    bool valid() const { return value ? true : false; }
+
+private:
+    bool has_children() const
+    {
+        return value && (value->type == RZ_JSON_OBJECT || value->type == RZ_JSON_ARRAY);
+    }
+
+    const RzJson *value;
+    QSharedPointer<CutterJsonOwner> owner;
+};
+
+class CUTTER_EXPORT CutterJsonOwner
+{
+public:
+    CutterJsonOwner(RzJson *value, char *text) : value(value), text(text) {}
+
+    virtual ~CutterJsonOwner()
+    {
+        rz_json_free(value);
+        rz_mem_free(text);
+    }
+
+private:
+    RzJson *value;
+    char *text;
+};
+
+#endif // CUTTER_JSON_H

src/dialogs/VersionInfoDialog.cpp

@@ -24,12 +24,12 @@ VersionInfoDialog::~VersionInfoDialog() {}
 void VersionInfoDialog::fillVersionInfo()
 {
 
-    QJsonDocument doc = Core()->getFileVersionInfo();
+    CutterJson doc = Core()->getFileVersionInfo();
 
     // Case ELF
-    if (doc.object().contains("verneed")) {
+    if (doc["verneed"].valid()) {
-        QJsonObject verneed = doc.object()["verneed"].toArray().first().toObject();
+        CutterJson verneed = doc["verneed"].first();
-        QJsonObject versym = doc.object()["versym"].toArray().first().toObject();
+        CutterJson versym = doc["versym"].first();
 
         // Set labels
         ui->leftLabel->setText("Version symbols");
@@ -43,17 +43,17 @@ void VersionInfoDialog::fillVersionInfo()
 
         QTreeWidgetItem *addrItemL = new QTreeWidgetItem();
         addrItemL->setText(0, "Address:");
-        addrItemL->setText(1, RzAddressString(versym["address"].toDouble()));
+        addrItemL->setText(1, RzAddressString(versym["address"].toRVA()));
         ui->leftTreeWidget->addTopLevelItem(addrItemL);
 
         QTreeWidgetItem *offItemL = new QTreeWidgetItem();
         offItemL->setText(0, "Offset:");
-        offItemL->setText(1, RzAddressString(versym["offset"].toDouble()));
+        offItemL->setText(1, RzAddressString(versym["offset"].toRVA()));
         ui->leftTreeWidget->addTopLevelItem(offItemL);
 
         QTreeWidgetItem *linkItemL = new QTreeWidgetItem();
         linkItemL->setText(0, "Link:");
-        linkItemL->setText(1, QString::number(versym["link"].toDouble()));
+        linkItemL->setText(1, QString::number(versym["link"].toRVA()));
         ui->leftTreeWidget->addTopLevelItem(linkItemL);
 
         QTreeWidgetItem *linkNameItemL = new QTreeWidgetItem();
@@ -63,10 +63,9 @@ void VersionInfoDialog::fillVersionInfo()
 
         QTreeWidgetItem *entriesItemL = new QTreeWidgetItem();
         entriesItemL->setText(0, "Entries:");
-        for (QJsonValue val : versym["entries"].toArray()) {
+        for (CutterJson obj : versym["entries"]) {
-            QJsonObject obj = val.toObject();
             QTreeWidgetItem *tempItem = new QTreeWidgetItem();
-            tempItem->setText(0, RzAddressString(obj["idx"].toDouble()));
+            tempItem->setText(0, RzAddressString(obj["idx"].toRVA()));
             tempItem->setText(1, obj["value"].toString());
             entriesItemL->addChild(tempItem);
         }
@@ -83,17 +82,17 @@ void VersionInfoDialog::fillVersionInfo()
 
         QTreeWidgetItem *addrItemR = new QTreeWidgetItem();
         addrItemR->setText(0, "Address:");
-        addrItemR->setText(1, RzAddressString(verneed["address"].toDouble()));
+        addrItemR->setText(1, RzAddressString(verneed["address"].toRVA()));
         ui->rightTreeWidget->addTopLevelItem(addrItemR);
 
         QTreeWidgetItem *offItemR = new QTreeWidgetItem();
         offItemR->setText(0, "Offset:");
-        offItemR->setText(1, RzAddressString(verneed["offset"].toDouble()));
+        offItemR->setText(1, RzAddressString(verneed["offset"].toRVA()));
         ui->rightTreeWidget->addTopLevelItem(offItemR);
 
         QTreeWidgetItem *linkItemR = new QTreeWidgetItem();
         linkItemR->setText(0, "Link:");
-        linkItemR->setText(1, QString::number(verneed["link"].toDouble()));
+        linkItemR->setText(1, QString::number(verneed["link"].toSt64()));
         ui->rightTreeWidget->addTopLevelItem(linkItemR);
 
         QTreeWidgetItem *linkNameItemR = new QTreeWidgetItem();
@@ -103,24 +102,22 @@ void VersionInfoDialog::fillVersionInfo()
 
         QTreeWidgetItem *entriesItemR = new QTreeWidgetItem();
         entriesItemR->setText(0, "Entries:");
-        for (QJsonValue parentVal : verneed["entries"].toArray()) {
+        for (CutterJson parentObj : verneed["entries"]) {
-            QJsonObject parentObj = parentVal.toObject();
             QTreeWidgetItem *parentItem = new QTreeWidgetItem();
             QString parentString;
-            parentItem->setText(0, RzAddressString(parentObj["idx"].toDouble()));
+            parentItem->setText(0, RzAddressString(parentObj["idx"].toRVA()));
-            parentString.append("Version: " + QString::number(parentObj["vn_version"].toDouble())
+            parentString.append("Version: " + QString::number(parentObj["vn_version"].toSt64())
                                 + "\t");
             parentString.append("File: " + parentObj["file_name"].toString());
             parentItem->setText(1, parentString);
 
-            for (QJsonValue childVal : parentObj["vernaux"].toArray()) {
+            for (CutterJson childObj : parentObj["vernaux"]) {
-                QJsonObject childObj = childVal.toObject();
                 QTreeWidgetItem *childItem = new QTreeWidgetItem();
                 QString childString;
-                childItem->setText(0, RzAddressString(childObj["idx"].toDouble()));
+                childItem->setText(0, RzAddressString(childObj["idx"].toRVA()));
                 childString.append("Name: " + childObj["name"].toString() + "\t");
                 childString.append("Flags: " + childObj["flags"].toString() + "\t");
-                childString.append("Version: " + QString::number(childObj["version"].toDouble()));
+                childString.append("Version: " + QString::number(childObj["version"].toSt64()));
                 childItem->setText(1, childString);
                 parentItem->addChild(childItem);
             }
@@ -134,22 +131,22 @@ void VersionInfoDialog::fillVersionInfo()
     }
 
     // Case PE
-    else if (doc.object().contains("VS_FIXEDFILEINFO")) {
+    else if (doc["VS_FIXEDFILEINFO"].valid()) {
-        QJsonObject vs = doc.object()["VS_FIXEDFILEINFO"].toObject();
+        CutterJson vs = doc["VS_FIXEDFILEINFO"];
-        QJsonObject strings = doc.object()["StringTable"].toObject();
+        CutterJson strings = doc["StringTable"];
 
         // Set labels
         ui->leftLabel->setText("VS Fixed file info");
         ui->rightLabel->setText("String table");
 
         // Left tree
-        for (QString key : vs.keys()) {
+        for (CutterJson property : vs) {
             QTreeWidgetItem *tempItem = new QTreeWidgetItem();
-            tempItem->setText(0, key);
+            tempItem->setText(0, property.key());
-            if (vs[key].isDouble())
+            if (property.type() == RZ_JSON_INTEGER)
-                tempItem->setText(1, RzHexString(vs[key].toDouble()));
+                tempItem->setText(1, RzHexString(property.toRVA()));
             else
-                tempItem->setText(1, vs[key].toString());
+                tempItem->setText(1, property.toString());
             ui->leftTreeWidget->addTopLevelItem(tempItem);
 
             // Adjust columns to content
@@ -157,10 +154,10 @@ void VersionInfoDialog::fillVersionInfo()
         }
 
         // Right tree
-        for (QString key : strings.keys()) {
+        for (CutterJson property : strings) {
             QTreeWidgetItem *tempItem = new QTreeWidgetItem();
-            tempItem->setText(0, key);
+            tempItem->setText(0, property.key());
-            tempItem->setText(1, strings[key].toString());
+            tempItem->setText(1, property.toString());
             ui->rightTreeWidget->addTopLevelItem(tempItem);
 
             // Adjust columns to content

src/menus/DisassemblyContextMenu.cpp

@@ -314,15 +314,15 @@ void DisassemblyContextMenu::addDebugMenu()
 QVector<DisassemblyContextMenu::ThingUsedHere> DisassemblyContextMenu::getThingUsedHere(RVA offset)
 {
     QVector<ThingUsedHere> result;
-    const QJsonArray array = Core()->cmdj("anj @ " + QString::number(offset)).array();
+    const CutterJson array = Core()->cmdj("anj @ " + QString::number(offset));
     result.reserve(array.size());
     for (const auto &thing : array) {
-        auto obj = thing.toObject();
+        auto obj = thing;
-        RVA offset = obj["offset"].toVariant().toULongLong();
+        RVA offset = obj["offset"].toRVA();
         QString name;
 
         // If real names display is enabled, show flag's real name instead of full flag name
-        if (Config()->getConfigBool("asm.flags.real") && obj.contains("realname")) {
+        if (Config()->getConfigBool("asm.flags.real") && obj["realname"].valid()) {
             name = obj["realname"].toString();
         } else {
             name = obj["name"].toString();
@@ -482,31 +482,26 @@ void DisassemblyContextMenu::setupRenaming()
 void DisassemblyContextMenu::aboutToShowSlot()
 {
     // check if set immediate base menu makes sense
-    QJsonObject instObject =
+    CutterJson instObject = Core()->cmdj("aoj @ " + QString::number(offset)).first();
-            Core()->cmdj("aoj @ " + QString::number(offset)).array().first().toObject();
+    bool immBase = instObject["val"].valid() || instObject["ptr"].valid();
-    auto keys = instObject.keys();
-    bool immBase = keys.contains("val") || keys.contains("ptr");
     setBaseMenu->menuAction()->setVisible(immBase);
     setBitsMenu->menuAction()->setVisible(true);
 
     // Create structure offset menu if it makes sense
     QString memBaseReg; // Base register
-    QVariant memDisp; // Displacement
+    st64 memDisp; // Displacement
-    if (instObject.contains("opex") && instObject["opex"].toObject().contains("operands")) {
+
     // Loop through both the operands of the instruction
-        for (const QJsonValue value : instObject["opex"].toObject()["operands"].toArray()) {
+    for (const CutterJson operand : instObject["opex"]["operands"]) {
-            QJsonObject operand = value.toObject();
+        if (operand["type"].toString() == "mem" && !operand["base"].toString().contains("bp")
-            if (operand.contains("type") && operand["type"].toString() == "mem"
+            && operand["disp"].toSt64() > 0) {
-                && operand.contains("base") && !operand["base"].toString().contains("bp")
-                && operand.contains("disp") && operand["disp"].toVariant().toLongLong() > 0) {
 
             // The current operand is the one which has an immediate displacement
             memBaseReg = operand["base"].toString();
-                memDisp = operand["disp"].toVariant();
+            memDisp = operand["disp"].toSt64();
             break;
         }
     }
-    }
     if (memBaseReg.isEmpty()) {
         // hide structure offset menu
         structureOffsetMenu->menuAction()->setVisible(false);
@@ -517,7 +512,7 @@ void DisassemblyContextMenu::aboutToShowSlot()
 
         // Get the possible offsets using the "ahts" command
         // TODO: add ahtj command to Rizin and then use it here
-        QStringList ret = Core()->cmdList("ahts " + memDisp.toString());
+        QStringList ret = Core()->cmdList("ahts " + QString::number(memDisp));
         for (const QString &val : ret) {
             if (val.isEmpty()) {
                 continue;
@@ -714,12 +709,12 @@ void DisassemblyContextMenu::showReverseJmpQuery()
 {
     QString type;
 
-    QJsonArray array = Core()->cmdj("pdj 1 @ " + RzAddressString(offset)).array();
+    CutterJson array = Core()->cmdj("pdj 1 @ " + RzAddressString(offset));
-    if (array.isEmpty()) {
+    if (!array.size()) {
         return;
     }
 
-    type = array.first().toObject()["type"].toString();
+    type = array.first()["type"].toString();
     if (type == "cjmp") {
         actionJmpReverse.setVisible(true);
     } else {

src/widgets/BacktraceWidget.cpp

@@ -44,13 +44,11 @@ void BacktraceWidget::updateContents()
 
 void BacktraceWidget::setBacktraceGrid()
 {
-    QJsonArray backtraceValues = Core()->getBacktrace().array();
     int i = 0;
-    for (const QJsonValue &value : backtraceValues) {
+    for (CutterJson backtraceItem : Core()->getBacktrace()) {
-        QJsonObject backtraceItem = value.toObject();
+        QString progCounter = RzAddressString(backtraceItem["pc"].toRVA());
-        QString progCounter = RzAddressString(backtraceItem["pc"].toVariant().toULongLong());
+        QString stackPointer = RzAddressString(backtraceItem["sp"].toRVA());
-        QString stackPointer = RzAddressString(backtraceItem["sp"].toVariant().toULongLong());
+        st64 frameSize = backtraceItem["frame_size"].toSt64();
-        int frameSize = backtraceItem["frame_size"].toVariant().toInt();
         QString funcName = backtraceItem["fname"].toString();
         QString desc = backtraceItem["desc"].toString();
 

src/widgets/CallGraph.cpp

@@ -77,8 +77,7 @@ void CallGraphView::loadCurrentGraph()
     blockContent.clear();
     blocks.clear();
 
-    QJsonDocument functionsDoc = Core()->cmdj(global ? "agCj" : QString("agcj @ %1").arg(address));
+    CutterJson nodes = Core()->cmdj(global ? "agCj" : QString("agcj @ %1").arg(address));
-    auto nodes = functionsDoc.array();
 
     QHash<QString, uint64_t> idMapping;
 
@@ -91,11 +90,10 @@ void CallGraphView::loadCurrentGraph()
         return itemId;
     };
 
-    for (const QJsonValueRef &value : nodes) {
+    for (CutterJson block : nodes) {
-        QJsonObject block = value.toObject();
+        QString name = block["name"].toString();
-        QString name = block["name"].toVariant().toString();
 
-        auto edges = block["imports"].toArray();
+        auto edges = block["imports"];
         GraphLayout::GraphBlock layoutBlock;
         layoutBlock.entry = getId(name);
         for (auto edge : edges) {

src/widgets/ColorThemeListView.h

@@ -3,6 +3,7 @@
 
 #include <QTimer>
 #include <QListView>
+#include <QJsonDocument>
 #include <QJsonObject>
 #include <QAbstractListModel>
 #include <QStyledItemDelegate>

src/widgets/Dashboard.cpp

@@ -32,16 +32,16 @@ Dashboard::~Dashboard() {}
 
 void Dashboard::updateContents()
 {
-    QJsonDocument docu = Core()->getFileInfo();
+    CutterJson docu = Core()->getFileInfo();
-    QJsonObject item = docu.object()["core"].toObject();
+    CutterJson item = docu["core"];
-    QJsonObject item2 = docu.object()["bin"].toObject();
+    CutterJson item2 = docu["bin"];
 
     setPlainText(this->ui->fileEdit, item["file"].toString());
     setPlainText(this->ui->formatEdit, item["format"].toString());
     setPlainText(this->ui->modeEdit, item["mode"].toString());
     setPlainText(this->ui->typeEdit, item["type"].toString());
-    setPlainText(this->ui->sizeEdit, qhelpers::formatBytecount(item["size"].toDouble()));
+    setPlainText(this->ui->sizeEdit, qhelpers::formatBytecount(item["size"].toUt64()));
-    setPlainText(this->ui->fdEdit, QString::number(item["fd"].toDouble()));
+    setPlainText(this->ui->fdEdit, QString::number(item["fd"].toUt64()));
 
     setPlainText(this->ui->archEdit, item2["arch"].toString());
     setPlainText(this->ui->langEdit, item2["lang"].toString().toUpper());
@@ -52,7 +52,7 @@ void Dashboard::updateContents()
     setPlainText(this->ui->endianEdit, item2["endian"].toString());
     setPlainText(this->ui->compilationDateEdit, item2["compiled"].toString());
     setPlainText(this->ui->compilerEdit, item2["compiler"].toString());
-    setPlainText(this->ui->bitsEdit, QString::number(item2["bits"].toDouble()));
+    setPlainText(this->ui->bitsEdit, QString::number(item2["bits"].toUt64()));
 
     if (!item2["relro"].toString().isEmpty()) {
         QString relro = item2["relro"].toString().section(QLatin1Char(' '), 0, 0);
@@ -62,7 +62,7 @@ void Dashboard::updateContents()
         setPlainText(this->ui->relroEdit, "N/A");
     }
 
-    setPlainText(this->ui->baddrEdit, RzAddressString(item2["baddr"].toVariant().toULongLong()));
+    setPlainText(this->ui->baddrEdit, RzAddressString(item2["baddr"].toRVA()));
 
     // set booleans
     setBool(this->ui->vaEdit, item2, "va");
@@ -110,16 +110,16 @@ void Dashboard::updateContents()
         hashesLayout->addRow(new QLabel(label), hashLineEdit);
     }
 
-    QJsonObject analinfo = Core()->cmdj("aaij").object();
+    CutterJson analinfo = Core()->cmdj("aaij");
-    setPlainText(ui->functionsLineEdit, QString::number(analinfo["fcns"].toInt()));
+    setPlainText(ui->functionsLineEdit, QString::number(analinfo["fcns"].toSt64()));
-    setPlainText(ui->xRefsLineEdit, QString::number(analinfo["xrefs"].toInt()));
+    setPlainText(ui->xRefsLineEdit, QString::number(analinfo["xrefs"].toSt64()));
-    setPlainText(ui->callsLineEdit, QString::number(analinfo["calls"].toInt()));
+    setPlainText(ui->callsLineEdit, QString::number(analinfo["calls"].toSt64()));
-    setPlainText(ui->stringsLineEdit, QString::number(analinfo["strings"].toInt()));
+    setPlainText(ui->stringsLineEdit, QString::number(analinfo["strings"].toSt64()));
-    setPlainText(ui->symbolsLineEdit, QString::number(analinfo["symbols"].toInt()));
+    setPlainText(ui->symbolsLineEdit, QString::number(analinfo["symbols"].toSt64()));
-    setPlainText(ui->importsLineEdit, QString::number(analinfo["imports"].toInt()));
+    setPlainText(ui->importsLineEdit, QString::number(analinfo["imports"].toSt64()));
-    setPlainText(ui->coverageLineEdit, QString::number(analinfo["covrage"].toInt()) + " bytes");
+    setPlainText(ui->coverageLineEdit, QString::number(analinfo["covrage"].toSt64()) + " bytes");
-    setPlainText(ui->codeSizeLineEdit, QString::number(analinfo["codesz"].toInt()) + " bytes");
+    setPlainText(ui->codeSizeLineEdit, QString::number(analinfo["codesz"].toSt64()) + " bytes");
-    setPlainText(ui->percentageLineEdit, QString::number(analinfo["percent"].toInt()) + "%");
+    setPlainText(ui->percentageLineEdit, QString::number(analinfo["percent"].toSt64()) + "%");
 
     QStringList libs = Core()->cmdList("il");
     if (!libs.isEmpty()) {
@@ -155,10 +155,10 @@ void Dashboard::updateContents()
     QStringList stats = Core()->getStats();
 
     // Check if signature info and version info available
-    if (Core()->getSignatureInfo().isEmpty()) {
+    if (!Core()->getSignatureInfo().size()) {
         ui->certificateButton->setEnabled(false);
     }
-    if (Core()->getFileVersionInfo().isEmpty()) {
+    if (!Core()->getFileVersionInfo().size()) {
         ui->versioninfoButton->setEnabled(false);
     }
 }
@@ -173,8 +173,7 @@ void Dashboard::on_certificateButton_clicked()
         viewDialog = new QDialog(this);
         view = new CutterTreeView(viewDialog);
         model = new JsonModel();
-        QJsonDocument qjsonCertificatesDoc = Core()->getSignatureInfo();
+        qstrCertificates = Core()->getSignatureInfo().toJson();
-        qstrCertificates = qjsonCertificatesDoc.toJson(QJsonDocument::Compact);
     }
     if (!viewDialog->isVisible()) {
         std::string strCertificates = qstrCertificates.toUtf8().constData();
@@ -230,9 +229,9 @@ void Dashboard::setPlainText(QLineEdit *textBox, const QString &text)
  * @param textBox
  * @param isTrue
  */
-void Dashboard::setBool(QLineEdit *textBox, const QJsonObject &jsonObject, const QString &key)
+void Dashboard::setBool(QLineEdit *textBox, const CutterJson &jsonObject, const char *key)
 {
-    if (jsonObject.contains(key)) {
+    if (jsonObject[key].valid()) {
         if (jsonObject[key].toBool()) {
             setPlainText(textBox, tr("True"));
         } else {

src/widgets/Dashboard.h

@@ -3,6 +3,7 @@
 
 #include <QFormLayout>
 #include <memory>
+#include "core/Cutter.h"
 #include "CutterDockWidget.h"
 
 QT_BEGIN_NAMESPACE
@@ -32,7 +33,7 @@ private slots:
 private:
     std::unique_ptr<Ui::Dashboard> ui;
     void setPlainText(QLineEdit *textBox, const QString &text);
-    void setBool(QLineEdit *textBox, const QJsonObject &jsonObject, const QString &key);
+    void setBool(QLineEdit *textBox, const CutterJson &jsonObject, const char *key);
 
     QWidget *hashesWidget = nullptr;
 };

src/widgets/DisassemblerGraphView.cpp

@@ -182,12 +182,11 @@ void DisassemblerGraphView::loadCurrentGraph()
             .set("asm.lines", false)
             .set("asm.lines.fcn", false);
 
-    QJsonArray functions;
+    CutterJson functions;
     RzAnalysisFunction *fcn = Core()->functionIn(seekable->getOffset());
     if (fcn) {
         currentFcnAddr = fcn->addr;
-        QJsonDocument functionsDoc = Core()->cmdj("agJ " + RzAddressString(fcn->addr));
+        functions = Core()->cmdj("agJ " + RzAddressString(fcn->addr));
-        functions = functionsDoc.array();
     }
 
     disassembly_blocks.clear();
@@ -198,7 +197,7 @@ void DisassemblerGraphView::loadCurrentGraph()
         highlight_token = nullptr;
     }
 
-    emptyGraph = functions.isEmpty();
+    emptyGraph = !functions.size();
     if (emptyGraph) {
         // If there's no function to print, just add a message
         if (!emptyText) {
@@ -215,8 +214,7 @@ void DisassemblerGraphView::loadCurrentGraph()
     // Refresh global "empty graph" variable so other widget know there is nothing to show here
     Core()->setGraphEmpty(emptyGraph);
 
-    QJsonValue funcRef = functions.first();
+    CutterJson func = functions.first();
-    QJsonObject func = funcRef.toObject();
 
     windowTitle = tr("Graph");
     QString funcName = func["name"].toString().trimmed();
@@ -227,15 +225,14 @@ void DisassemblerGraphView::loadCurrentGraph()
     }
     emit nameChanged(windowTitle);
 
-    RVA entry = func["offset"].toVariant().toULongLong();
+    RVA entry = func["offset"].toRVA();
 
     setEntry(entry);
-    for (const QJsonValueRef &value : func["blocks"].toArray()) {
+    for (CutterJson block : func["blocks"]) {
-        QJsonObject block = value.toObject();
+        RVA block_entry = block["offset"].toRVA();
-        RVA block_entry = block["offset"].toVariant().toULongLong();
+        RVA block_size = block["size"].toRVA();
-        RVA block_size = block["size"].toVariant().toULongLong();
+        RVA block_fail = block["fail"].toRVA();
-        RVA block_fail = block["fail"].toVariant().toULongLong();
+        RVA block_jump = block["jump"].toRVA();
-        RVA block_jump = block["jump"].toVariant().toULongLong();
 
         DisassemblyBlock db;
         GraphBlock gb;
@@ -259,30 +256,29 @@ void DisassemblerGraphView::loadCurrentGraph()
             gb.edges.emplace_back(block_jump);
         }
 
-        QJsonObject switchOp = block["switchop"].toObject();
+        CutterJson switchOp = block["switchop"];
-        if (!switchOp.isEmpty()) {
+        if (switchOp.size()) {
-            QJsonArray caseArray = switchOp["cases"].toArray();
+            for (CutterJson caseOp : switchOp["cases"]) {
-            for (QJsonValue caseOpValue : caseArray) {
+                RVA caseJump = caseOp["jump"].toRVA();
-                QJsonObject caseOp = caseOpValue.toObject();
+                if (caseJump == RVA_INVALID) {
-                bool ok;
-                RVA caseJump = caseOp["jump"].toVariant().toULongLong(&ok);
-                if (!ok) {
                     continue;
                 }
                 gb.edges.emplace_back(caseJump);
             }
         }
 
-        QJsonArray opArray = block["ops"].toArray();
+        CutterJson opArray = block["ops"];
-        for (int opIndex = 0; opIndex < opArray.size(); opIndex++) {
+        CutterJson::iterator iterator = opArray.begin();
-            QJsonObject op = opArray[opIndex].toObject();
+        while (iterator != opArray.end()) {
+            CutterJson op = *iterator;
             Instr i;
-            i.addr = op["offset"].toVariant().toULongLong();
+            i.addr = op["offset"].toUt64();
 
-            if (opIndex < opArray.size() - 1) {
+            ++iterator;
+
+            if (iterator != opArray.end()) {
                 // get instruction size from distance to next instruction ...
-                RVA nextOffset =
+                RVA nextOffset = (*iterator)["offset"].toRVA();
-                        opArray[opIndex + 1].toObject()["offset"].toVariant().toULongLong();
                 i.size = nextOffset - i.addr;
             } else {
                 // or to the end of the block.
@@ -314,7 +310,7 @@ void DisassemblerGraphView::loadCurrentGraph()
     }
     cleanupEdges(blocks);
 
-    if (!func["blocks"].toArray().isEmpty()) {
+    if (func["blocks"].size()) {
         computeGraphPlacement();
     }
 }

src/widgets/FunctionsWidget.cpp

@@ -562,7 +562,7 @@ void FunctionsWidget::refreshTree()
                     importAddresses.insert(import.plt);
                 }
 
-                mainAdress = (ut64)Core()->cmdj("iMj").object()["vaddr"].toInt();
+                mainAdress = (ut64)Core()->cmdj("iMj")["vaddr"].toUt64();
 
                 functionModel->updateCurrentIndex();
                 functionModel->endResetModel();

src/widgets/ProcessesWidget.cpp

@@ -106,14 +106,12 @@ QString ProcessesWidget::translateStatus(QString status)
 
 void ProcessesWidget::setProcessesGrid()
 {
-    QJsonArray processesValues = Core()->getChildProcesses(DEBUGGED_PID).array();
     int i = 0;
     QFont font;
 
-    for (const QJsonValue &value : processesValues) {
+    for (CutterJson processesItem : Core()->getChildProcesses(DEBUGGED_PID)) {
-        QJsonObject processesItem = value.toObject();
+        st64 pid = processesItem["pid"].toSt64();
-        int pid = processesItem["pid"].toVariant().toInt();
+        st64 uid = processesItem["uid"].toSt64();
-        int uid = processesItem["uid"].toVariant().toInt();
         QString status = translateStatus(processesItem["status"].toString());
         QString path = processesItem["path"].toString();
         bool current = processesItem["current"].toBool();
@@ -162,10 +160,9 @@ void ProcessesWidget::onActivated(const QModelIndex &index)
 
     // Verify that the selected pid is still in the processes list since dp= will
     // attach to any given id. If it isn't found simply update the UI.
-    QJsonArray processesValues = Core()->getChildProcesses(DEBUGGED_PID).array();
+    for (CutterJson value : Core()->getChildProcesses(DEBUGGED_PID)) {
-    for (QJsonValue value : processesValues) {
+        QString status = value["status"].toString();
-        QString status = value.toObject()["status"].toString();
+        if (pid == value["pid"].toSt64()) {
-        if (pid == value.toObject()["pid"].toInt()) {
             if (QString(QChar(RZ_DBG_PROC_ZOMBIE)) == status
                 || QString(QChar(RZ_DBG_PROC_DEAD)) == status) {
                 QMessageBox msgBox;

src/widgets/RegisterRefsWidget.cpp

@@ -184,14 +184,13 @@ void RegisterRefsWidget::refreshRegisterRef()
 
     registerRefModel->beginResetModel();
 
-    QList<QJsonObject> regRefs = Core()->getRegisterRefs();
     registerRefs.clear();
-    for (const QJsonObject &reg : regRefs) {
+    for (const RegisterRef &reg : Core()->getRegisterRefs()) {
         RegisterRefDescription desc;
 
-        desc.value = RzAddressString(reg["value"].toVariant().toULongLong());
+        desc.value = RzAddressString(reg.value);
-        desc.reg = reg["name"].toVariant().toString();
+        desc.reg = reg.name;
-        desc.refDesc = Core()->formatRefDesc(reg["ref"].toObject());
+        desc.refDesc = Core()->formatRefDesc(reg.ref);
 
         registerRefs.push_back(desc);
     }

src/widgets/RizinGraphWidget.cpp

@@ -96,12 +96,11 @@ void GenericRizinGraphView::loadCurrentGraph()
         return;
     }
 
-    QJsonDocument functionsDoc = Core()->cmdj(QString("%1j").arg(graphCommand));
+    CutterJson functionsDoc = Core()->cmdj(QString("%1j").arg(graphCommand));
-    auto nodes = functionsDoc.object()["nodes"].toArray();
+    auto nodes = functionsDoc["nodes"];
 
-    for (const QJsonValueRef &value : nodes) {
+    for (CutterJson block : nodes) {
-        QJsonObject block = value.toObject();
+        uint64_t id = block["id"].toUt64();
-        uint64_t id = block["id"].toVariant().toULongLong();
 
         QString content;
         QString title = block["title"].toString();
@@ -112,11 +111,11 @@ void GenericRizinGraphView::loadCurrentGraph()
             content = title + body;
         }
 
-        auto edges = block["out_nodes"].toArray();
+        auto edges = block["out_nodes"];
         GraphLayout::GraphBlock layoutBlock;
         layoutBlock.entry = id;
         for (auto edge : edges) {
-            auto targetId = edge.toVariant().toULongLong();
+            auto targetId = edge.toUt64();
             layoutBlock.edges.emplace_back(targetId);
         }
 

src/widgets/StackWidget.cpp

@@ -145,16 +145,16 @@ StackModel::StackModel(QObject *parent) : QAbstractTableModel(parent) {}
 
 void StackModel::reload()
 {
-    QList<QJsonObject> stackItems = Core()->getStack();
+    QList<AddrRefs> stackItems = Core()->getStack();
 
     beginResetModel();
     values.clear();
-    for (const QJsonObject &stackItem : stackItems) {
+    for (const AddrRefs &stackItem : stackItems) {
         Item item;
 
-        item.offset = stackItem["addr"].toVariant().toULongLong();
+        item.offset = stackItem.addr;
-        item.value = RzAddressString(stackItem["value"].toVariant().toULongLong());
+        item.value = RzAddressString(stackItem.value);
-        item.refDesc = Core()->formatRefDesc(stackItem["ref"].toObject());
+        item.refDesc = Core()->formatRefDesc(*stackItem.ref);
 
         values.push_back(item);
     }

src/widgets/ThreadsWidget.cpp

@@ -104,13 +104,11 @@ QString ThreadsWidget::translateStatus(QString status)
 
 void ThreadsWidget::setThreadsGrid()
 {
-    QJsonArray threadsValues = Core()->getProcessThreads(DEBUGGED_PID).array();
     int i = 0;
     QFont font;
 
-    for (const QJsonValue &value : threadsValues) {
+    for (CutterJson threadsItem : Core()->getProcessThreads(DEBUGGED_PID)) {
-        QJsonObject threadsItem = value.toObject();
+        st64 pid = threadsItem["pid"].toSt64();
-        int pid = threadsItem["pid"].toVariant().toInt();
         QString status = translateStatus(threadsItem["status"].toString());
         QString path = threadsItem["path"].toString();
         bool current = threadsItem["current"].toBool();
@@ -152,9 +150,8 @@ void ThreadsWidget::onActivated(const QModelIndex &index)
 
     // Verify that the selected tid is still in the threads list since dpt= will
     // attach to any given id. If it isn't found simply update the UI.
-    QJsonArray threadsValues = Core()->getProcessThreads(DEBUGGED_PID).array();
+    for (CutterJson value : Core()->getProcessThreads(DEBUGGED_PID)) {
-    for (QJsonValue value : threadsValues) {
+        if (tid == value["pid"].toSt64()) {
-        if (tid == value.toObject()["pid"].toInt()) {
             Core()->setCurrentDebugThread(tid);
             break;
         }