Add AddressParser + tests, remove symbol from commandrow

src/addressparser.h

@@ -0,0 +1,27 @@
+#pragma once
+#include <QString>
+#include <cstdint>
+#include <functional>
+
+namespace rcx {
+
+struct AddressParseResult {
+    bool ok;
+    uint64_t value;
+    QString error;
+    int errorPos;
+};
+
+struct AddressParserCallbacks {
+    std::function<uint64_t(const QString& name, bool* ok)> resolveModule;
+    std::function<uint64_t(uint64_t addr, bool* ok)>       readPointer;
+};
+
+class AddressParser {
+public:
+    static AddressParseResult evaluate(const QString& formula, int ptrSize = 8,
+                                       const AddressParserCallbacks* cb = nullptr);
+    static QString validate(const QString& formula);
+};
+
+} // namespace rcx