diff options
Diffstat (limited to 'scss/grammar/expression.py')
| -rw-r--r-- | scss/grammar/expression.py | 70 |
1 files changed, 51 insertions, 19 deletions
diff --git a/scss/grammar/expression.py b/scss/grammar/expression.py index 38f90e3..6caf785 100644 --- a/scss/grammar/expression.py +++ b/scss/grammar/expression.py @@ -26,6 +26,7 @@ from scss.ast import MapLiteral from scss.ast import ArgspecLiteral from scss.cssdefs import unescape from scss.types import Color +from scss.types import Function from scss.types import Number from scss.types import String from scss.types import Url @@ -39,6 +40,7 @@ from scss.grammar import Scanner class SassExpressionScanner(Scanner): patterns = None _patterns = [ + ('"expression"', 'expression'), ('"url"', 'url'), ('":"', ':'), ('","', ','), @@ -80,6 +82,7 @@ class SassExpressionScanner(Scanner): ('INTERP_START', '#[{]'), ('INTERP_END', '[}]'), ('INTERP_ANYTHING', '([^#]|#(?![{]))*'), + ('INTERP_NO_PARENS', '([^#()]|#(?![{]))*'), ('BAREURL', '(?:[\\\\].|[^#$\'"()\\x00-\\x08\\x0b\\x0e-\\x1f\\x7f]|#(?![{]))*'), ] @@ -319,7 +322,13 @@ class SassExpression(Parser): LPAR = self._scan('LPAR') interpolated_url = self.interpolated_url() RPAR = self._scan('RPAR') - print("url!"); return interpolated_url + return interpolated_url + elif _token_ == '"expression"': + self._scan('"expression"') + LPAR = self._scan('LPAR') + interpolated_function = self.interpolated_function() + RPAR = self._scan('RPAR') + return Interpolation.maybe(interpolated_function, type=Function, function_name='expression') elif _token_ == 'FNCT': FNCT = self._scan('FNCT') LPAR = self._scan('LPAR') @@ -419,6 +428,28 @@ class SassExpression(Parser): parts.append(BAREWORD) return parts + def interpolated_function(self): + interpolated_function_parens = self.interpolated_function_parens() + parts = interpolated_function_parens + while self._peek(self.interpolated_bare_url_rsts) == 'INTERP_START': + interpolation = self.interpolation() + parts.append(interpolation) + interpolated_function_parens = self.interpolated_function_parens() + parts.extend(interpolated_function_parens) + return parts + + def interpolated_function_parens(self): + INTERP_NO_PARENS = self._scan('INTERP_NO_PARENS') + parts = [INTERP_NO_PARENS] + while self._peek(self.interpolated_function_parens_rsts) == 'LPAR': + LPAR = self._scan('LPAR') + interpolated_function = self.interpolated_function() + parts = parts[:-1] + [parts[-1] + LPAR + interpolated_function[0]] + interpolated_function[0:] + RPAR = self._scan('RPAR') + INTERP_NO_PARENS = self._scan('INTERP_NO_PARENS') + parts[-1] += RPAR + INTERP_NO_PARENS + return parts + def goal_interpolated_anything(self): INTERP_ANYTHING = self._scan('INTERP_ANYTHING') parts = [INTERP_ANYTHING] @@ -430,40 +461,41 @@ class SassExpression(Parser): END = self._scan('END') return Interpolation.maybe(parts) - expr_map_or_list_rsts__ = set(['"url"', 'LPAR', 'DOUBLE_QUOTE', 'COLOR', 'RPAR', 'BAREWORD', 'NUM', 'FNCT', 'VAR', 'BANG_IMPORTANT', 'SINGLE_QUOTE', '","']) - u_expr_chks = set(['"url"', 'LPAR', 'DOUBLE_QUOTE', 'COLOR', 'BAREWORD', 'NUM', 'FNCT', 'VAR', 'BANG_IMPORTANT', 'SINGLE_QUOTE']) - m_expr_rsts = set(['LPAR', 'DOUBLE_QUOTE', 'SUB', 'RPAR', 'MUL', 'INTERP_END', 'BANG_IMPORTANT', 'DIV', 'LE', 'COLOR', 'NE', 'LT', 'NUM', '":"', 'BAREWORD', '"url"', 'GT', 'END', 'SIGN', 'GE', 'FNCT', 'VAR', 'EQ', 'AND', 'ADD', 'SINGLE_QUOTE', 'NOT', 'OR', '","']) + expr_map_or_list_rsts__ = set(['"url"', 'LPAR', 'DOUBLE_QUOTE', 'COLOR', '"expression"', 'RPAR', 'BAREWORD', 'NUM', 'FNCT', 'VAR', 'BANG_IMPORTANT', 'SINGLE_QUOTE', '","']) + u_expr_chks = set(['"url"', 'LPAR', 'DOUBLE_QUOTE', 'COLOR', '"expression"', 'BAREWORD', 'NUM', 'FNCT', 'VAR', 'BANG_IMPORTANT', 'SINGLE_QUOTE']) + m_expr_rsts = set(['LPAR', 'DOUBLE_QUOTE', 'SUB', 'RPAR', 'MUL', 'INTERP_END', 'BANG_IMPORTANT', 'DIV', 'LE', 'COLOR', '"expression"', 'NE', 'LT', 'NUM', '":"', 'BAREWORD', '"url"', 'GT', 'END', 'SIGN', 'GE', 'FNCT', 'VAR', 'EQ', 'AND', 'ADD', 'SINGLE_QUOTE', 'NOT', 'OR', '","']) argspec_items_rsts = set(['RPAR', 'END', '","']) expr_slst_chks = set(['INTERP_END', 'RPAR', 'END', '":"', '","']) expr_lst_rsts = set(['INTERP_END', 'END', '","']) expr_map_or_list_rsts = set(['RPAR', '":"', '","']) - argspec_item_chks = set(['"url"', 'LPAR', 'DOUBLE_QUOTE', 'BAREWORD', 'COLOR', 'SIGN', 'VAR', 'ADD', 'NUM', 'FNCT', 'NOT', 'BANG_IMPORTANT', 'SINGLE_QUOTE']) + argspec_item_chks = set(['"url"', 'LPAR', 'DOUBLE_QUOTE', 'BAREWORD', 'COLOR', '"expression"', 'SIGN', 'VAR', 'ADD', 'NUM', 'FNCT', 'NOT', 'BANG_IMPORTANT', 'SINGLE_QUOTE']) a_expr_chks = set(['ADD', 'SUB']) - expr_slst_rsts = set(['"url"', 'LPAR', 'DOUBLE_QUOTE', 'BAREWORD', 'END', 'COLOR', 'FNCT', 'SIGN', 'VAR', 'ADD', 'NUM', 'RPAR', '":"', 'NOT', 'INTERP_END', 'BANG_IMPORTANT', 'SINGLE_QUOTE', '","']) - interpolated_bareword_rsts = set(['LPAR', 'DOUBLE_QUOTE', 'SUB', 'RPAR', 'MUL', 'INTERP_END', 'BANG_IMPORTANT', 'DIV', 'LE', 'INTERP_START', 'COLOR', 'NE', 'LT', 'NUM', '":"', 'BAREWORD', '"url"', 'GT', 'END', 'SIGN', 'GE', 'FNCT', 'VAR', 'EQ', 'AND', 'ADD', 'SINGLE_QUOTE', 'NOT', 'OR', '","']) - or_expr_rsts = set(['"url"', 'LPAR', 'DOUBLE_QUOTE', 'BAREWORD', 'END', 'SINGLE_QUOTE', 'COLOR', 'FNCT', 'SIGN', 'VAR', 'ADD', 'NUM', 'RPAR', '":"', 'NOT', 'INTERP_END', 'BANG_IMPORTANT', 'OR', '","']) + interpolated_function_parens_rsts = set(['LPAR', 'RPAR', 'INTERP_START']) + expr_slst_rsts = set(['"url"', 'LPAR', 'DOUBLE_QUOTE', 'BAREWORD', 'END', 'COLOR', '"expression"', 'FNCT', 'SIGN', 'VAR', 'ADD', 'NUM', 'RPAR', '":"', 'NOT', 'INTERP_END', 'BANG_IMPORTANT', 'SINGLE_QUOTE', '","']) + interpolated_bareword_rsts = set(['LPAR', 'DOUBLE_QUOTE', 'SUB', 'RPAR', 'MUL', 'INTERP_END', 'BANG_IMPORTANT', 'DIV', 'LE', 'INTERP_START', 'COLOR', '"expression"', 'NE', 'LT', 'NUM', '":"', 'BAREWORD', '"url"', 'GT', 'END', 'SIGN', 'GE', 'FNCT', 'VAR', 'EQ', 'AND', 'ADD', 'SINGLE_QUOTE', 'NOT', 'OR', '","']) + or_expr_rsts = set(['"url"', 'LPAR', 'DOUBLE_QUOTE', 'BAREWORD', 'END', 'SINGLE_QUOTE', 'COLOR', '"expression"', 'FNCT', 'SIGN', 'VAR', 'ADD', 'NUM', 'RPAR', '":"', 'NOT', 'INTERP_END', 'BANG_IMPORTANT', 'OR', '","']) argspec_chks_ = set(['END', 'RPAR']) interpolated_string_single_rsts = set(['SINGLE_QUOTE', 'INTERP_START']) - and_expr_rsts = set(['AND', 'LPAR', 'RPAR', 'BAREWORD', 'END', 'SINGLE_QUOTE', 'COLOR', 'DOUBLE_QUOTE', 'FNCT', 'SIGN', 'VAR', 'ADD', 'NUM', '"url"', '":"', 'NOT', 'INTERP_END', 'BANG_IMPORTANT', 'OR', '","']) - comparison_rsts = set(['LPAR', 'DOUBLE_QUOTE', 'RPAR', 'INTERP_END', 'BANG_IMPORTANT', 'LE', 'COLOR', 'NE', 'LT', 'NUM', '":"', 'BAREWORD', '"url"', 'GT', 'END', 'SIGN', 'ADD', 'FNCT', 'VAR', 'EQ', 'AND', 'GE', 'SINGLE_QUOTE', 'NOT', 'OR', '","']) + and_expr_rsts = set(['AND', 'LPAR', 'RPAR', 'BAREWORD', 'END', 'SINGLE_QUOTE', 'COLOR', '"expression"', 'DOUBLE_QUOTE', 'FNCT', 'SIGN', 'VAR', 'ADD', 'NUM', '"url"', '":"', 'NOT', 'INTERP_END', 'BANG_IMPORTANT', 'OR', '","']) + comparison_rsts = set(['LPAR', 'DOUBLE_QUOTE', 'RPAR', 'INTERP_END', 'BANG_IMPORTANT', 'LE', 'COLOR', '"expression"', 'NE', 'LT', 'NUM', '":"', 'BAREWORD', '"url"', 'GT', 'END', 'SIGN', 'ADD', 'FNCT', 'VAR', 'EQ', 'AND', 'GE', 'SINGLE_QUOTE', 'NOT', 'OR', '","']) argspec_chks = set(['DOTDOTDOT', 'SLURPYVAR']) - atom_rsts_ = set(['LPAR', 'DOUBLE_QUOTE', 'SUB', 'RPAR', 'VAR', 'MUL', 'INTERP_END', 'BANG_IMPORTANT', 'DIV', 'LE', 'COLOR', 'NE', 'LT', 'NUM', '":"', 'BAREWORD', '"url"', 'GT', 'END', 'SIGN', 'GE', 'FNCT', 'UNITS', 'EQ', 'AND', 'ADD', 'SINGLE_QUOTE', 'NOT', 'OR', '","']) + atom_rsts_ = set(['LPAR', 'DOUBLE_QUOTE', 'SUB', 'RPAR', 'VAR', 'MUL', 'INTERP_END', 'BANG_IMPORTANT', 'DIV', 'LE', 'COLOR', '"expression"', 'NE', 'LT', 'NUM', '":"', 'BAREWORD', '"url"', 'GT', 'END', 'SIGN', 'GE', 'FNCT', 'UNITS', 'EQ', 'AND', 'ADD', 'SINGLE_QUOTE', 'NOT', 'OR', '","']) interpolated_string_double_rsts = set(['DOUBLE_QUOTE', 'INTERP_START']) expr_map_or_list_rsts_ = set(['RPAR', '","']) - u_expr_rsts = set(['"url"', 'LPAR', 'DOUBLE_QUOTE', 'COLOR', 'SIGN', 'BAREWORD', 'ADD', 'NUM', 'FNCT', 'VAR', 'BANG_IMPORTANT', 'SINGLE_QUOTE']) + u_expr_rsts = set(['"url"', 'LPAR', 'DOUBLE_QUOTE', 'COLOR', '"expression"', 'SIGN', 'BAREWORD', 'ADD', 'NUM', 'FNCT', 'VAR', 'BANG_IMPORTANT', 'SINGLE_QUOTE']) atom_chks = set(['COLOR', 'VAR']) interpolated_url_rsts = set(['DOUBLE_QUOTE', 'BAREURL', 'SINGLE_QUOTE']) comparison_chks = set(['GT', 'GE', 'NE', 'LT', 'LE', 'EQ']) - argspec_items_rsts_ = set(['KWVAR', 'LPAR', 'RPAR', 'BAREWORD', 'END', 'SLURPYVAR', 'COLOR', 'DOTDOTDOT', 'DOUBLE_QUOTE', 'SIGN', 'VAR', 'ADD', 'NUM', '"url"', 'FNCT', 'NOT', 'BANG_IMPORTANT', 'SINGLE_QUOTE']) - a_expr_rsts = set(['LPAR', 'DOUBLE_QUOTE', 'SUB', 'RPAR', 'INTERP_END', 'BANG_IMPORTANT', 'LE', 'COLOR', 'NE', 'LT', 'NUM', '":"', 'BAREWORD', '"url"', 'GT', 'END', 'SIGN', 'GE', 'FNCT', 'VAR', 'EQ', 'AND', 'ADD', 'SINGLE_QUOTE', 'NOT', 'OR', '","']) + argspec_items_rsts_ = set(['KWVAR', 'LPAR', 'RPAR', 'BAREWORD', 'END', 'SLURPYVAR', 'COLOR', 'DOTDOTDOT', 'DOUBLE_QUOTE', 'SIGN', 'VAR', 'ADD', 'NUM', '"url"', 'FNCT', 'NOT', 'SINGLE_QUOTE', 'BANG_IMPORTANT', '"expression"']) + a_expr_rsts = set(['LPAR', 'DOUBLE_QUOTE', 'SUB', 'RPAR', 'INTERP_END', 'BANG_IMPORTANT', 'LE', 'COLOR', '"expression"', 'NE', 'LT', 'NUM', '":"', 'BAREWORD', '"url"', 'GT', 'END', 'SIGN', 'GE', 'FNCT', 'VAR', 'EQ', 'AND', 'ADD', 'SINGLE_QUOTE', 'NOT', 'OR', '","']) interpolated_string_rsts = set(['DOUBLE_QUOTE', 'SINGLE_QUOTE']) m_expr_chks = set(['MUL', 'DIV']) goal_interpolated_anything_rsts = set(['END', 'INTERP_START']) interpolated_bare_url_rsts = set(['RPAR', 'INTERP_START']) - argspec_items_chks = set(['KWVAR', '"url"', 'DOUBLE_QUOTE', 'BAREWORD', 'LPAR', 'COLOR', 'SIGN', 'VAR', 'ADD', 'NUM', 'FNCT', 'NOT', 'BANG_IMPORTANT', 'SINGLE_QUOTE']) - argspec_rsts = set(['KWVAR', 'LPAR', 'DOUBLE_QUOTE', 'BANG_IMPORTANT', 'END', 'SLURPYVAR', 'COLOR', 'BAREWORD', 'DOTDOTDOT', 'RPAR', 'VAR', 'ADD', 'NUM', '"url"', 'FNCT', 'NOT', 'SIGN', 'SINGLE_QUOTE']) - atom_rsts = set(['"url"', 'LPAR', 'DOUBLE_QUOTE', 'BANG_IMPORTANT', 'COLOR', 'BAREWORD', 'SIGN', 'VAR', 'ADD', 'NUM', 'FNCT', 'NOT', 'RPAR', 'SINGLE_QUOTE']) - argspec_items_rsts__ = set(['KWVAR', 'LPAR', 'DOUBLE_QUOTE', 'BAREWORD', 'SLURPYVAR', 'COLOR', 'DOTDOTDOT', 'SIGN', 'VAR', 'ADD', 'NUM', '"url"', 'FNCT', 'NOT', 'BANG_IMPORTANT', 'SINGLE_QUOTE']) - argspec_rsts_ = set(['KWVAR', 'LPAR', 'DOUBLE_QUOTE', 'BANG_IMPORTANT', 'END', 'COLOR', 'BAREWORD', 'SIGN', 'VAR', 'ADD', 'NUM', '"url"', 'FNCT', 'NOT', 'RPAR', 'SINGLE_QUOTE']) + argspec_items_chks = set(['KWVAR', '"url"', 'DOUBLE_QUOTE', 'BAREWORD', 'LPAR', 'COLOR', '"expression"', 'SIGN', 'VAR', 'ADD', 'NUM', 'FNCT', 'NOT', 'BANG_IMPORTANT', 'SINGLE_QUOTE']) + argspec_rsts = set(['KWVAR', 'LPAR', 'DOUBLE_QUOTE', 'BANG_IMPORTANT', 'END', 'SLURPYVAR', 'COLOR', 'BAREWORD', 'DOTDOTDOT', 'RPAR', 'VAR', 'ADD', 'NUM', '"url"', 'FNCT', 'NOT', 'SINGLE_QUOTE', 'SIGN', '"expression"']) + atom_rsts = set(['"url"', 'LPAR', 'DOUBLE_QUOTE', 'BANG_IMPORTANT', 'COLOR', 'BAREWORD', '"expression"', 'SIGN', 'VAR', 'ADD', 'NUM', 'FNCT', 'NOT', 'RPAR', 'SINGLE_QUOTE']) + argspec_items_rsts__ = set(['KWVAR', 'LPAR', 'DOUBLE_QUOTE', 'BAREWORD', 'SLURPYVAR', 'COLOR', 'DOTDOTDOT', 'SIGN', 'VAR', 'ADD', 'NUM', '"url"', 'FNCT', 'NOT', 'SINGLE_QUOTE', 'BANG_IMPORTANT', '"expression"']) + argspec_rsts_ = set(['KWVAR', 'LPAR', 'DOUBLE_QUOTE', 'BANG_IMPORTANT', 'END', 'COLOR', 'BAREWORD', '"expression"', 'SIGN', 'VAR', 'ADD', 'NUM', '"url"', 'FNCT', 'NOT', 'RPAR', 'SINGLE_QUOTE']) |