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tompzf
2025-11-04 13:28:06 +01:00
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sdv_executables/sdv_idl_compiler/exception.h Normal file
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#ifndef EXCEPTION_H
#define EXCEPTION_H
#include "logger.h"
#include "token.h"
#include <exception>
#include <sstream>
#include <cassert>
#include <filesystem>
#include <iostream>
// Forward declaration
class CParser;
/**
* @brief Lexer exception
*/
struct CCompileException : public sdv::idl::XCompileError
{
friend class CParser;
public:
/**
* @brief Copy the compile error.
* @param[in] rxCompileError Reference to the compile error.
*/
CCompileException(const sdv::idl::XCompileError& rxCompileError);
/**
* @brief Constructor without token and path. The parser might add the last used token.
* @remarks The path can be added to the exception using the SetPath function.
* @param[in] szReason Zero terminated string containing the reason of the exception. Must not be NULL.
* @param[in] tAdditionalReasons Optional other reasons.
*/
template <class... TAdditionalReason>
explicit CCompileException(const char* szReason, TAdditionalReason... tAdditionalReasons);
/**
* @brief Constructor without path.
* @remarks The path can be added to the exception using the SetPath function.
* @param[in] rtoken Token in the source file that triggered the exception.
* @param[in] szReason Zero terminated string containing the reason of the exception. Must not be NULL.
* @param[in] tAdditionalReasons Optional other reasons.
*/
template <class... TAdditionalReason>
explicit CCompileException(const CToken& rtoken, const char* szReason, TAdditionalReason... tAdditionalReasons);
/**
* @brief Constructor with path.
* @param[in] rpath Reference to the source file path.
* @param[in] rtoken Token in the source file that triggered the exception.
* @param[in] szReason Zero terminated string containing the reason of the exception. Must not be NULL.
* @param[in] tAdditionalReasons Optional other reasons.
*/
template <class... TAdditionalReason>
explicit CCompileException(const std::filesystem::path& rpath, const CToken& rtoken,
const char* szReason, TAdditionalReason... tAdditionalReasons);
/**
* @brief Get the path.
* @return Reference to the path of the file causing the exception (if there is one).
*/
std::string GetPath() const;
/**
* @brief Get the reason.
* @return The explanatory text.
*/
std::string GetReason() const;
/**
* @brief Get the line number (starts at 1).
* @return The line number or 0 when there is no specific code causing this error.
*/
uint32_t GetLineNo() const;
/**
* @brief Get the column number (starts at 1).
* @return The column number or 0 when there is no specific code causing this error.
*/
uint32_t GetColNo() const;
/**
* @brief Get the token causing the compilation error.
* @return The token string or an empty string when no specific code is causing this error.
*/
std::string GetToken() const;
/**
* @brief Get the line containing the error.
* @return The line that contains the error or an empty string when no specific code is causiong this error.
*/
std::string GetLine() const;
private:
/**
* @brief Set the path if not assigned before.
* @param[in] rpath Reference to the source file path.
*/
void SetPath(const std::filesystem::path& rpath);
/**
* @brief Set the location if not assigned before.
* @param[in] rtoken The token that caused the exception.
*/
void SetLocation(const CToken& rtoken);
};
template <class TParam>
void AddParamListToString(std::stringstream& rsstream, TParam param)
{
rsstream << param;
}
template <class TParam, class... TAdditionalParams>
void AddParamListToString(std::stringstream& rsstream, TParam param, TAdditionalParams... tAdditionalParams)
{
rsstream << param;
AddParamListToString(rsstream, tAdditionalParams...);
}
template <class... TAdditionalReason>
CCompileException::CCompileException(const char* szReason, TAdditionalReason... tAdditionalReasons) : sdv::idl::XCompileError{}
{
assert(szReason);
if (szReason)
{
std::stringstream sstream;
AddParamListToString(sstream, szReason, tAdditionalReasons...);
ssReason = sstream.str();
}
CLog log;
log << "EXCEPTION: " << ssReason << std::endl;
}
template <class... TAdditionalReason>
CCompileException::CCompileException(const CToken& rtoken, const char* szReason, TAdditionalReason... tAdditionalReasons) :
sdv::idl::XCompileError{}
{
assert(szReason);
if (szReason)
{
std::stringstream sstream;
AddParamListToString(sstream, szReason, tAdditionalReasons...);
ssReason = sstream.str();
}
SetLocation(rtoken);
CLog log;
log << "EXCEPTION " << "[" << GetLineNo() << ", " << GetColNo() << "]: " << ssReason << std::endl;
}
template <class... TAdditionalReason>
CCompileException::CCompileException(const std::filesystem::path& rpath, const CToken& rtoken,
const char* szReason, TAdditionalReason... tAdditionalReasons) :
CCompileException::CCompileException(rtoken, szReason, tAdditionalReasons...)
{
assert(szReason);
if (szReason)
{
std::stringstream sstream;
AddParamListToString(sstream, szReason, tAdditionalReasons...);
ssReason = sstream.str();
}
SetLocation(rtoken);
ssFile = rpath.generic_u8string();
CLog log;
log << "EXCEPTION " << rpath.generic_u8string() << " [" << GetLineNo() << ", " << GetColNo() << "]: " << ssReason << std::endl;
}
#endif // !defined EXCEPTION_H