lexer.cpp File Reference

Implementation of the CSS Preprocessor lexer. More...

#include "csspp/lexer.h"
#include "csspp/exception.h"
#include "csspp/unicode_range.h"
#include <cmath>
#include <cstdio>
#include <iostream>

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Namespaces
namespace	csspp
	The namespace of all the classes in the CSS Preprocessor.

Detailed Description

The CSS Preprocessor lexer is based on the CSS 3 lexer with extensions to also support the SASS syntax. For example, a lone '&' is supported by our lexer as a reference to the outter selectors in order to write an expression such as:

a {
    color: #00f;  // blue when not hovered
 
    &:hover {
        color: #f0f;  // purple when hovered
    }
}

There are a few other extensions too, such as support for C++ comments.

See also

Lexer Rules

Definition in file lexer.cpp.