# This file is part of the Catala compiler, a specification language for tax and social benefits
# computation rules. Copyright (C) 2020 Inria, contributor: Denis Merigoux
# <denis.merigoux@inria.fr>
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
# in compliance with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software distributed under the License
# is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
# or implied. See the License for the specific language governing permissions and limitations under
# the License.


name                   = catala_fr
file_extensions []     = catala_fr;

################################################################
## Styles
################################################################

styles [] {

.comment : style {
   color                 = light_green
   italic                = true
   textmate_scope        = comment.line
   pygments_scope        = Comment.Single
}

.sc_id : style {
   textmate_scope        = meta.variable_id
   pygments_scope        = String
   color = violet_red
}

.sc_id_def : style {
   textmate_scope        = entity.name.function
   pygments_scope        = Name.Variable
   color = orange
}


.cc_id : style {
   color                 = light_blue
   textmate_scope        = entity.name.class
   pygments_scope        = Name.Class
}


.law_title : style {
   color                 = yellow
   italic                = false
   textmate_scope        = markup.heading.title
   pygments_scope        = Generic.Heading
}

.law_subtitle : style {
   color                 = gold
   italic                = true
   textmate_scope        = markup.heading.subtitle
   pygments_scope        = Generic.Heading
}

.law : style {
   color                 = light_yellow
   italic                = false
   textmate_scope        = entity.law
   pygments_scope        = String
}

.code_delimiter : style {
   color                 = grey
   italic                = false
   textmate_scope        = comment.block.documentation
   pygments_scope        = String
}

.primitive : style {
   color                = purple
   textmate_scope       = support.type
   pygments_scope       = Keyword.Type
}

.whitespace : style {
   textmate_scope = text
   pygments_scope = String
}

.keyword_expression : style {
   color     = pink
   textmate_scope        = keyword.control
   pygments_scope        = Keyword.Reserved
}

.keyword_rule : style {
   color     = cyan
   textmate_scope        = keyword.other
   pygments_scope        = Keyword.Declaration
}

.punctuation : style {
   color     = red_2
   ace_scope             = punctuation
   textmate_scope        = punctuation
   pygments_scope        = Operator
}

.literal : style {
   color = green
   textmate_scope        = constant
   pygments_scope        = Keyword.Constant
}

.literal_numeric : style {
   color = violet
   textmate_scope        = constant.numeric
   pygments_scope        = Number.Integer
}


.operator : style {
   color                 = brown
   textmate_scope        = keyword.operator
   pygments_scope        = Operator
}

}

#################################################
## Parse contexts
#################################################

__LOWER_CHARS \= a-zéèàâùîêœç

__UPPER_CHARS \= A-ZÉÈÀÂÙÎÊŒÇ

__SC_ID \= [$${__LOWER_CHARS}][$${__LOWER_CHARS}$${__UPPER_CHARS}0-9_\']*

__SC_ID_COMPOSED \= [$${__LOWER_CHARS}][$${__LOWER_CHARS}$${__UPPER_CHARS}0-9_\'\.]*

__CC_ID \= [$${__UPPER_CHARS}][$${__LOWER_CHARS}$${__UPPER_CHARS}0-9_\']*

contexts [] {

##############################################
## Main Context - Entry point context
##############################################

main : context {

   : inline_push {
      regex          \= (@@)
      styles []       = .law_title;
      : pop {
         regex       \= (@@[\+]*)
         styles []    = .law_title;
      }
      : pattern {
        regex \= (.)
        styles [] = .law_title;
      }
   }

   : inline_push {
      regex          \= (@)
      styles []       = .law_subtitle;
      : pop {
         regex       \= (@)
         styles []    = .law_subtitle;
      }
      : pattern {
        regex \= (.)
        styles [] = .law_subtitle;
      }
   }

   : pattern {
     regex \= ([^\/])
     styles [] = .law;
   }

   : push {
      regex          \= (\/\*)
      styles []       = .code_delimiter;
      context []       = code;
   }

}


code : context {

  : pop {
    regex       \= (\*\/)
    styles []    = .code_delimiter;
  }

  : pattern {
    regex \= (\s*\#.*$)
    styles [] = .comment ;
  }

  : pattern {
    regex \=  (contexte)(\s+)($${__SC_ID})
    styles [] = .keyword_rule, .whitespace, .sc_id_def;
  }

  : pattern {
    regex \= \b(selon|sous\s+forme|fixé|par|décroissante|croissante|varie|avec|on\s+a|dans|tel\s+que|existe|pour|tout|de|si|alors|sinon)\b
    styles [] = .keyword_expression ;
  }

  : pattern {
    regex \=  \b(champ\s+d'application|si\s+et\s+seulement\s+si|dépend\s+de|déclaration|inclus|collection|contenu|optionnel|structure|énumération|contexte|règle|sous\s+condition|condition|donnée|conséquence|rempli|égal\s+à|assertion|définition)\b
    styles [] = .keyword_rule ;
  }

  : pattern {
    regex \= (\|[0-9]+/[0-9]+/[0-9]+\|)
    styles [] = .literal_numeric ;
  }

  : pattern {
    regex \= \b(vrai|faux)\b
    styles [] = .literal ;
  }


  : pattern {
    regex \= \b([0-9]+(,[0.9]*|))\b
    styles [] = .literal_numeric ;
  }


  : pattern {
     regex \= (\-\-|\;|\.|\,|\:|\(|\))
     styles [] = .punctuation;
  }

   : pattern {
     regex \= (\-\>|\+|\-|\*|/|\!|non|ou|et|=|>|<|\u20ac|%|an|mois|jour)
     styles [] = .operator;
  }

  : pattern {
    regex \= \b(entier|booléen|date|montant|texte|décimal|décret|loi|nombre|somme|date_aujourd_hui)\b
    styles [] = .primitive;
  }

  : pattern {
    regex \= \b($${__CC_ID})(\.)($${__SC_ID})\b
    styles [] = .cc_id, .punctuation, .sc_id_def ;
  }

  : pattern {
    regex \= \b($${__SC_ID})(\.)($${__SC_ID_COMPOSED})\b
    styles [] = .sc_id_def, .punctuation, .sc_id ;
  }

  : pattern {
    regex \= \b($${__SC_ID})\b
    styles [] = .sc_id_def ;
  }

  : pattern {
    regex \= \b($${__CC_ID})\b
    styles [] = .cc_id ;
  }

}

}