build: More repo cleanup, move libimhex and external libs to /lib folder

lib/libimhex/include/hex/pattern_language/log_console.hpp

@@ -0,0 +1,49 @@
+#pragma once
+
+#include <hex.hpp>
+
+#include <optional>
+#include <string>
+#include <string_view>
+#include <utility>
+#include <vector>
+
+namespace hex::pl {
+
+    class ASTNode;
+
+    class LogConsole {
+    public:
+        enum Level {
+            Debug,
+            Info,
+            Warning,
+            Error
+        };
+
+        [[nodiscard]]
+        const auto& getLog() const { return this->m_consoleLog; }
+
+        using EvaluateError = std::pair<u32, std::string>;
+
+        void log(Level level, const std::string &message);
+
+        [[noreturn]]
+        static void abortEvaluation(const std::string &message);
+
+        [[noreturn]]
+        static void abortEvaluation(const std::string &message, const ASTNode *node);
+
+        void clear();
+
+        void setHardError(const EvaluateError &error) { this->m_lastHardError = error; }
+
+        [[nodiscard]]
+        const std::optional<EvaluateError>& getLastHardError() { return this->m_lastHardError; };
+
+    private:
+        std::vector<std::pair<Level, std::string>> m_consoleLog;
+        std::optional<EvaluateError> m_lastHardError;
+    };
+
+}