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Contents
require 'strscan'
require 'sass/script/node'
require 'sass/script/variable'
require 'sass/script/funcall'
require 'sass/script/operation'
require 'sass/script/literal'
require 'sass/script/parser'
module Sass
# SassScript is code that's embedded in Sass documents
# to allow for property values to be computed from variables.
#
# This module contains code that handles the parsing and evaluation of SassScript.
module Script
# The character that begins a variable.
# @private
VARIABLE_CHAR = ?!
# The regular expression used to parse variables.
# @private
MATCH = /^!([a-zA-Z_]\w*)\s*((?:\|\|)?=)\s*(.+)/
# The regular expression used to validate variables without matching.
# @private
VALIDATE = /^![a-zA-Z_]\w*$/
# Parses a string of SassScript
#
# @param value [String] The SassScript
# @param line [Fixnum] The number of the line on which the SassScript appeared.
# Used for error reporting
# @param offset [Fixnum] The number of characters in on `line` that the SassScript started.
# Used for error reporting
# @param options [{Symbol => Object}] An options hash;
# see {file:SASS_REFERENCE.md#sass_options the Sass options documentation}
# @return [Script::Node] The root node of the parse tree
def self.parse(value, line, offset, options = {})
Parser.parse(value, line, offset, options)
rescue Sass::SyntaxError => e
e.message << ": #{value.inspect}." if e.message == "SassScript error"
e.modify_backtrace(:line => line, :filename => options[:filename])
raise e
end
end
end
Version data entries
13 entries across 13 versions & 1 rubygems