forked from Lephenixnoir/fxos
63 lines
1.4 KiB
C++
63 lines
1.4 KiB
C++
//---
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// fxos-shell.errors: Exceptions with particular handling
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//---
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#ifndef FXOS_ERRORS_H
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#define FXOS_ERRORS_H
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#include <fxos/util/format.h>
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#include <fmt/core.h>
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#include <string>
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/* Generic command error, either parsing or execution, which prevents a command
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from accomplishing its intended task. */
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class CommandError: public std::exception
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{
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public:
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CommandError(std::string what): m_what(what) {}
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/* Build directly from format arguments */
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template <typename... Args>
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CommandError(std::string const &format_str, Args&&... args):
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m_what(fmt::format(format_str, args...)) {}
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char const *what() const noexcept override {
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return m_what.c_str();
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}
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private:
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std::string m_what;
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};
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/* Syntax errors for commands. */
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class SyntaxError: public std::exception
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{
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public:
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/* Specifies the file and line of the exception */
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SyntaxError(char const *file, int line, char const *what):
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m_file(file), m_line(line), m_what(what) {}
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/* Provides access to these objects */
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char const *file() const noexcept {
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return m_file;
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}
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int line() const noexcept {
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return m_line;
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}
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char const *what() const noexcept override {
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return m_what;
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}
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/* Additional friendly formatter */
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std::string str() const noexcept {
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return format("%s:%d: %s", m_file, m_line, m_what);
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}
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private:
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char const *m_file;
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int m_line;
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char const *m_what;
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};
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#endif /* FXOS_ERRORS_H */
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