error.cpp File Reference

Implementation of the CSS Preprocessor error handling. More...

#include "csspp/error.h"
#include <cmath>
#include <iostream>

Include dependency graph for error.cpp:

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Namespaces
namespace	csspp
	The namespace of all the classes in the CSS Preprocessor.
namespace	csspp::anonymous_namespace{error.cpp}

Functions
std::ostream &	operator<< (std::ostream &out, csspp::error_mode_t const type)

Variables
error *	csspp::anonymous_namespace{error.cpp}::g_error = nullptr

Detailed Description

The library handles errors by printing messages to a standard output stream. The functions also count the number of errors and warnings that occur while parsing and compiling a source file.

The output can be redirected to your own buffer.

The number of errors can be protected by an RAII class so the exact same instance of the library can be reused any number of times (in case you were to create a GUI that helps debug code quickly, possibly inline...)

// error counts are zero
csspp::error_count_t count;
{
    csspp::safe_error_t safe_errors;
 
    // super over simplified... (no proper error handling
    // and probably a bit wrong)
    csspp::position pos;
    csspp::lexer l(input, pos);
    csspp::parser p(l);
    csspp::node root(p.stylesheet());
    csspp::compiler c;
    c.set_root(root);
    c.compile()
 
    // get number of errors before the '}'
    count = csspp::error()->get_error_count();
}
// error counts are still zero, they were restored by safe_error_t

See also

Lexer Rules

Definition in file error.cpp.

Function Documentation

operator<<()

std::ostream & operator<<	(	std::ostream &	out,
		csspp::error_mode_t const	type
	)

Definition at line 298 of file error.cpp.

References csspp::ERROR_DEBUG, csspp::ERROR_DEC, csspp::ERROR_ERROR, csspp::ERROR_FATAL, csspp::ERROR_HEX, csspp::ERROR_INFO, and csspp::ERROR_WARNING.