type_conversion_result.h

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#pragma once
 
#include "fl/stl/string.h"
#include "fl/stl/vector.h"
#include "fl/stl/stdint.h"
#include "fl/stl/noexcept.h"
 
namespace fl {
 
// =============================================================================
// TypeConversionResult - Warning/Error tracking for type conversions
// =============================================================================
 
class TypeConversionResult {
public:
    TypeConversionResult() FL_NO_EXCEPT : mHasError(false) {}
 
    static TypeConversionResult success() FL_NO_EXCEPT {
        return TypeConversionResult();
    }
 
    static TypeConversionResult warning(const fl::string& msg) FL_NO_EXCEPT {
        TypeConversionResult result;
        result.mWarnings.push_back(msg);
        return result;
    }
 
    static TypeConversionResult error(const fl::string& msg) FL_NO_EXCEPT {
        TypeConversionResult result;
        result.mHasError = true;
        result.mErrorMessage = msg;
        return result;
    }
 
    bool ok() const FL_NO_EXCEPT { return !mHasError; }
    bool hasWarning() const FL_NO_EXCEPT { return !mWarnings.empty(); }
    bool hasError() const FL_NO_EXCEPT { return mHasError; }
 
    const fl::vector<fl::string>& warnings() const FL_NO_EXCEPT { return mWarnings; }
    const fl::string& errorMessage() const FL_NO_EXCEPT { return mErrorMessage; }
 
    void addWarning(const fl::string& msg) FL_NO_EXCEPT {
        mWarnings.push_back(msg);
    }
 
    void setError(const fl::string& msg) FL_NO_EXCEPT {
        mHasError = true;
        mErrorMessage = msg;
    }
 
    // Merge another result into this one
    void merge(const TypeConversionResult& other) FL_NO_EXCEPT {
        for (fl::size i = 0; i < other.mWarnings.size(); i++) {
            mWarnings.push_back(other.mWarnings[i]);
        }
        if (other.mHasError) {
            mHasError = true;
            mErrorMessage = other.mErrorMessage;
        }
    }
 
private:
    fl::vector<fl::string> mWarnings;
    fl::string mErrorMessage;
    bool mHasError;
};
 
} // namespace fl