tree-sitter-css/src/grammar.json

{
  "name": "css",
  "rules": {
    "stylesheet": {
      "type": "REPEAT",
      "content": {
        "type": "SYMBOL",
        "name": "_top_level_item"
      }
    },
    "_top_level_item": {
      "type": "CHOICE",
      "members": [
        {
          "type": "SYMBOL",
          "name": "rule_set"
        },
        {
          "type": "SYMBOL",
          "name": "import_statement"
        },
        {
          "type": "SYMBOL",
          "name": "media_statement"
        },
        {
          "type": "SYMBOL",
          "name": "charset_statement"
        },
        {
          "type": "SYMBOL",
          "name": "at_rule"
        }
      ]
    },
    "import_statement": {
      "type": "SEQ",
      "members": [
        {
          "type": "STRING",
          "value": "@import"
        },
        {
          "type": "SYMBOL",
          "name": "_value"
        },
        {
          "type": "CHOICE",
          "members": [
            {
              "type": "SEQ",
              "members": [
                {
                  "type": "SYMBOL",
                  "name": "_query"
                },
                {
                  "type": "REPEAT",
                  "content": {
                    "type": "SEQ",
                    "members": [
                      {
                        "type": "STRING",
                        "value": ","
                      },
                      {
                        "type": "SYMBOL",
                        "name": "_query"
                      }
                    ]
                  }
                }
              ]
            },
            {
              "type": "BLANK"
            }
          ]
        },
        {
          "type": "STRING",
          "value": ";"
        }
      ]
    },
    "media_statement": {
      "type": "SEQ",
      "members": [
        {
          "type": "STRING",
          "value": "@media"
        },
        {
          "type": "SEQ",
          "members": [
            {
              "type": "SYMBOL",
              "name": "_query"
            },
            {
              "type": "REPEAT",
              "content": {
                "type": "SEQ",
                "members": [
                  {
                    "type": "STRING",
                    "value": ","
                  },
                  {
                    "type": "SYMBOL",
                    "name": "_query"
                  }
                ]
              }
            }
          ]
        },
        {
          "type": "SYMBOL",
          "name": "block"
        }
      ]
    },
    "charset_statement": {
      "type": "SEQ",
      "members": [
        {
          "type": "STRING",
          "value": "@charset"
        },
        {
          "type": "SYMBOL",
          "name": "_value"
        },
        {
          "type": "STRING",
          "value": ";"
        }
      ]
    },
    "at_rule": {
      "type": "SEQ",
      "members": [
        {
          "type": "SYMBOL",
          "name": "at_keyword"
        },
        {
          "type": "CHOICE",
          "members": [
            {
              "type": "SEQ",
              "members": [
                {
                  "type": "SYMBOL",
                  "name": "_query"
                },
                {
                  "type": "REPEAT",
                  "content": {
                    "type": "SEQ",
                    "members": [
                      {
                        "type": "STRING",
                        "value": ","
                      },
                      {
                        "type": "SYMBOL",
                        "name": "_query"
                      }
                    ]
                  }
                }
              ]
            },
            {
              "type": "BLANK"
            }
          ]
        },
        {
          "type": "CHOICE",
          "members": [
            {
              "type": "STRING",
              "value": ";"
            },
            {
              "type": "SYMBOL",
              "name": "block"
            }
          ]
        }
      ]
    },
    "rule_set": {
      "type": "SEQ",
      "members": [
        {
          "type": "SYMBOL",
          "name": "selectors"
        },
        {
          "type": "SYMBOL",
          "name": "block"
        }
      ]
    },
    "selectors": {
      "type": "SEQ",
      "members": [
        {
          "type": "SYMBOL",
          "name": "_selector"
        },
        {
          "type": "REPEAT",
          "content": {
            "type": "SEQ",
            "members": [
              {
                "type": "STRING",
                "value": ","
              },
              {
                "type": "SYMBOL",
                "name": "_selector"
              }
            ]
          }
        }
      ]
    },
    "block": {
      "type": "SEQ",
      "members": [
        {
          "type": "STRING",
          "value": "{"
        },
        {
          "type": "REPEAT",
          "content": {
            "type": "SYMBOL",
            "name": "_block_item"
          }
        },
        {
          "type": "STRING",
          "value": "}"
        }
      ]
    },
    "_block_item": {
      "type": "CHOICE",
      "members": [
        {
          "type": "SYMBOL",
          "name": "declaration"
        },
        {
          "type": "SYMBOL",
          "name": "_top_level_item"
        }
      ]
    },
    "_selector": {
      "type": "CHOICE",
      "members": [
        {
          "type": "SYMBOL",
          "name": "universal_selector"
        },
        {
          "type": "ALIAS",
          "content": {
            "type": "SYMBOL",
            "name": "identifier"
          },
          "named": true,
          "value": "tag_name"
        },
        {
          "type": "SYMBOL",
          "name": "class_selector"
        },
        {
          "type": "SYMBOL",
          "name": "nesting_selector"
        },
        {
          "type": "SYMBOL",
          "name": "pseudo_class_selector"
        },
        {
          "type": "SYMBOL",
          "name": "pseudo_element_selector"
        },
        {
          "type": "SYMBOL",
          "name": "id_selector"
        },
        {
          "type": "SYMBOL",
          "name": "attribute_selector"
        },
        {
          "type": "SYMBOL",
          "name": "string_value"
        },
        {
          "type": "SYMBOL",
          "name": "child_selector"
        },
        {
          "type": "SYMBOL",
          "name": "descendant_selector"
        }
      ]
    },
    "nesting_selector": {
      "type": "STRING",
      "value": "&"
    },
    "universal_selector": {
      "type": "STRING",
      "value": "*"
    },
    "class_selector": {
      "type": "SEQ",
      "members": [
        {
          "type": "CHOICE",
          "members": [
            {
              "type": "SYMBOL",
              "name": "_selector"
            },
            {
              "type": "BLANK"
            }
          ]
        },
        {
          "type": "STRING",
          "value": "."
        },
        {
          "type": "ALIAS",
          "content": {
            "type": "SYMBOL",
            "name": "identifier"
          },
          "named": true,
          "value": "class_name"
        }
      ]
    },
    "pseudo_class_selector": {
      "type": "SEQ",
      "members": [
        {
          "type": "CHOICE",
          "members": [
            {
              "type": "SYMBOL",
              "name": "_selector"
            },
            {
              "type": "BLANK"
            }
          ]
        },
        {
          "type": "STRING",
          "value": ":"
        },
        {
          "type": "ALIAS",
          "content": {
            "type": "SYMBOL",
            "name": "identifier"
          },
          "named": true,
          "value": "class_name"
        },
        {
          "type": "CHOICE",
          "members": [
            {
              "type": "SYMBOL",
              "name": "arguments"
            },
            {
              "type": "BLANK"
            }
          ]
        }
      ]
    },
    "pseudo_element_selector": {
      "type": "SEQ",
      "members": [
        {
          "type": "CHOICE",
          "members": [
            {
              "type": "SYMBOL",
              "name": "_selector"
            },
            {
              "type": "BLANK"
            }
          ]
        },
        {
          "type": "STRING",
          "value": "::"
        },
        {
          "type": "ALIAS",
          "content": {
            "type": "SYMBOL",
            "name": "identifier"
          },
          "named": true,
          "value": "tag_name"
        }
      ]
    },
    "id_selector": {
      "type": "SEQ",
      "members": [
        {
          "type": "CHOICE",
          "members": [
            {
              "type": "SYMBOL",
              "name": "_selector"
            },
            {
              "type": "BLANK"
            }
          ]
        },
        {
          "type": "STRING",
          "value": "#"
        },
        {
          "type": "ALIAS",
          "content": {
            "type": "SYMBOL",
            "name": "identifier"
          },
          "named": true,
          "value": "id_name"
        }
      ]
    },
    "attribute_selector": {
      "type": "SEQ",
      "members": [
        {
          "type": "CHOICE",
          "members": [
            {
              "type": "SYMBOL",
              "name": "_selector"
            },
            {
              "type": "BLANK"
            }
          ]
        },
        {
          "type": "STRING",
          "value": "["
        },
        {
          "type": "ALIAS",
          "content": {
            "type": "SYMBOL",
            "name": "identifier"
          },
          "named": true,
          "value": "attribute_name"
        },
        {
          "type": "CHOICE",
          "members": [
            {
              "type": "SEQ",
              "members": [
                {
                  "type": "CHOICE",
                  "members": [
                    {
                      "type": "STRING",
                      "value": "="
                    },
                    {
                      "type": "STRING",
                      "value": "~="
                    },
                    {
                      "type": "STRING",
                      "value": "^="
                    },
                    {
                      "type": "STRING",
                      "value": "|="
                    },
                    {
                      "type": "STRING",
                      "value": "*="
                    },
                    {
                      "type": "STRING",
                      "value": "$="
                    }
                  ]
                },
                {
                  "type": "SYMBOL",
                  "name": "_value"
                }
              ]
            },
            {
              "type": "BLANK"
            }
          ]
        },
        {
          "type": "STRING",
          "value": "]"
        }
      ]
    },
    "child_selector": {
      "type": "PREC_LEFT",
      "value": 0,
      "content": {
        "type": "SEQ",
        "members": [
          {
            "type": "SYMBOL",
            "name": "_selector"
          },
          {
            "type": "STRING",
            "value": ">"
          },
          {
            "type": "SYMBOL",
            "name": "_selector"
          }
        ]
      }
    },
    "descendant_selector": {
      "type": "PREC_LEFT",
      "value": 0,
      "content": {
        "type": "SEQ",
        "members": [
          {
            "type": "SYMBOL",
            "name": "_selector"
          },
          {
            "type": "SYMBOL",
            "name": "_descendant_operator"
          },
          {
            "type": "SYMBOL",
            "name": "_selector"
          }
        ]
      }
    },
    "declaration": {
      "type": "PREC",
      "value": 1,
      "content": {
        "type": "SEQ",
        "members": [
          {
            "type": "ALIAS",
            "content": {
              "type": "SYMBOL",
              "name": "identifier"
            },
            "named": true,
            "value": "property_name"
          },
          {
            "type": "STRING",
            "value": ":"
          },
          {
            "type": "SYMBOL",
            "name": "_value"
          },
          {
            "type": "REPEAT",
            "content": {
              "type": "SEQ",
              "members": [
                {
                  "type": "CHOICE",
                  "members": [
                    {
                      "type": "STRING",
                      "value": ","
                    },
                    {
                      "type": "BLANK"
                    }
                  ]
                },
                {
                  "type": "SYMBOL",
                  "name": "_value"
                }
              ]
            }
          },
          {
            "type": "STRING",
            "value": ";"
          }
        ]
      }
    },
    "_query": {
      "type": "CHOICE",
      "members": [
        {
          "type": "ALIAS",
          "content": {
            "type": "SYMBOL",
            "name": "identifier"
          },
          "named": true,
          "value": "keyword_query"
        },
        {
          "type": "SYMBOL",
          "name": "feature_query"
        },
        {
          "type": "SYMBOL",
          "name": "binary_query"
        },
        {
          "type": "SYMBOL",
          "name": "negated_query"
        },
        {
          "type": "SYMBOL",
          "name": "parenthesized_query"
        }
      ]
    },
    "feature_query": {
      "type": "SEQ",
      "members": [
        {
          "type": "STRING",
          "value": "("
        },
        {
          "type": "ALIAS",
          "content": {
            "type": "SYMBOL",
            "name": "identifier"
          },
          "named": true,
          "value": "feature_name"
        },
        {
          "type": "STRING",
          "value": ":"
        },
        {
          "type": "SYMBOL",
          "name": "_value"
        },
        {
          "type": "STRING",
          "value": ")"
        }
      ]
    },
    "parenthesized_query": {
      "type": "SEQ",
      "members": [
        {
          "type": "STRING",
          "value": "("
        },
        {
          "type": "SYMBOL",
          "name": "_query"
        },
        {
          "type": "STRING",
          "value": ")"
        }
      ]
    },
    "binary_query": {
      "type": "PREC_LEFT",
      "value": 0,
      "content": {
        "type": "SEQ",
        "members": [
          {
            "type": "SYMBOL",
            "name": "_query"
          },
          {
            "type": "CHOICE",
            "members": [
              {
                "type": "STRING",
                "value": "and"
              },
              {
                "type": "STRING",
                "value": "or"
              }
            ]
          },
          {
            "type": "SYMBOL",
            "name": "_query"
          }
        ]
      }
    },
    "negated_query": {
      "type": "PREC",
      "value": 1,
      "content": {
        "type": "SEQ",
        "members": [
          {
            "type": "STRING",
            "value": "not"
          },
          {
            "type": "SYMBOL",
            "name": "_query"
          }
        ]
      }
    },
    "_value": {
      "type": "CHOICE",
      "members": [
        {
          "type": "ALIAS",
          "content": {
            "type": "SYMBOL",
            "name": "identifier"
          },
          "named": true,
          "value": "keyword_value"
        },
        {
          "type": "SYMBOL",
          "name": "color_value"
        },
        {
          "type": "SYMBOL",
          "name": "integer_value"
        },
        {
          "type": "SYMBOL",
          "name": "float_value"
        },
        {
          "type": "SYMBOL",
          "name": "string_value"
        },
        {
          "type": "SYMBOL",
          "name": "call_expression"
        }
      ]
    },
    "color_value": {
      "type": "PATTERN",
      "value": "#[0-9a-fA-F]{3,8}"
    },
    "string_value": {
      "type": "TOKEN",
      "content": {
        "type": "CHOICE",
        "members": [
          {
            "type": "SEQ",
            "members": [
              {
                "type": "STRING",
                "value": "'"
              },
              {
                "type": "PATTERN",
                "value": "([^'\\n]|\\\\(.|\\n))*"
              },
              {
                "type": "STRING",
                "value": "'"
              }
            ]
          },
          {
            "type": "SEQ",
            "members": [
              {
                "type": "STRING",
                "value": "\""
              },
              {
                "type": "PATTERN",
                "value": "([^\"\\n]|\\\\(.|\\n))*"
              },
              {
                "type": "STRING",
                "value": "\""
              }
            ]
          }
        ]
      }
    },
    "integer_value": {
      "type": "SEQ",
      "members": [
        {
          "type": "TOKEN",
          "content": {
            "type": "SEQ",
            "members": [
              {
                "type": "CHOICE",
                "members": [
                  {
                    "type": "CHOICE",
                    "members": [
                      {
                        "type": "STRING",
                        "value": "+"
                      },
                      {
                        "type": "STRING",
                        "value": "-"
                      }
                    ]
                  },
                  {
                    "type": "BLANK"
                  }
                ]
              },
              {
                "type": "PATTERN",
                "value": "\\d+"
              }
            ]
          }
        },
        {
          "type": "CHOICE",
          "members": [
            {
              "type": "SYMBOL",
              "name": "unit"
            },
            {
              "type": "BLANK"
            }
          ]
        }
      ]
    },
    "float_value": {
      "type": "SEQ",
      "members": [
        {
          "type": "TOKEN",
          "content": {
            "type": "SEQ",
            "members": [
              {
                "type": "CHOICE",
                "members": [
                  {
                    "type": "CHOICE",
                    "members": [
                      {
                        "type": "STRING",
                        "value": "+"
                      },
                      {
                        "type": "STRING",
                        "value": "-"
                      }
                    ]
                  },
                  {
                    "type": "BLANK"
                  }
                ]
              },
              {
                "type": "PATTERN",
                "value": "\\d*"
              },
              {
                "type": "CHOICE",
                "members": [
                  {
                    "type": "SEQ",
                    "members": [
                      {
                        "type": "STRING",
                        "value": "."
                      },
                      {
                        "type": "PATTERN",
                        "value": "\\d+"
                      }
                    ]
                  },
                  {
                    "type": "SEQ",
                    "members": [
                      {
                        "type": "STRING",
                        "value": "e"
                      },
                      {
                        "type": "CHOICE",
                        "members": [
                          {
                            "type": "STRING",
                            "value": "-"
                          },
                          {
                            "type": "BLANK"
                          }
                        ]
                      },
                      {
                        "type": "PATTERN",
                        "value": "\\d+"
                      }
                    ]
                  },
                  {
                    "type": "SEQ",
                    "members": [
                      {
                        "type": "STRING",
                        "value": "."
                      },
                      {
                        "type": "PATTERN",
                        "value": "\\d+"
                      },
                      {
                        "type": "STRING",
                        "value": "e"
                      },
                      {
                        "type": "CHOICE",
                        "members": [
                          {
                            "type": "STRING",
                            "value": "-"
                          },
                          {
                            "type": "BLANK"
                          }
                        ]
                      },
                      {
                        "type": "PATTERN",
                        "value": "\\d+"
                      }
                    ]
                  }
                ]
              }
            ]
          }
        },
        {
          "type": "CHOICE",
          "members": [
            {
              "type": "SYMBOL",
              "name": "unit"
            },
            {
              "type": "BLANK"
            }
          ]
        }
      ]
    },
    "unit": {
      "type": "IMMEDIATE_TOKEN",
      "content": {
        "type": "PATTERN",
        "value": "[a-zA-Z%]+"
      }
    },
    "call_expression": {
      "type": "SEQ",
      "members": [
        {
          "type": "ALIAS",
          "content": {
            "type": "SYMBOL",
            "name": "identifier"
          },
          "named": true,
          "value": "function_name"
        },
        {
          "type": "SYMBOL",
          "name": "arguments"
        }
      ]
    },
    "arguments": {
      "type": "SEQ",
      "members": [
        {
          "type": "IMMEDIATE_TOKEN",
          "content": {
            "type": "STRING",
            "value": "("
          }
        },
        {
          "type": "CHOICE",
          "members": [
            {
              "type": "SEQ",
              "members": [
                {
                  "type": "SYMBOL",
                  "name": "_value"
                },
                {
                  "type": "REPEAT",
                  "content": {
                    "type": "SEQ",
                    "members": [
                      {
                        "type": "STRING",
                        "value": ","
                      },
                      {
                        "type": "SYMBOL",
                        "name": "_value"
                      }
                    ]
                  }
                }
              ]
            },
            {
              "type": "BLANK"
            }
          ]
        },
        {
          "type": "STRING",
          "value": ")"
        }
      ]
    },
    "identifier": {
      "type": "PATTERN",
      "value": "[a-zA-Z-_][a-zA-Z0-9-_]*"
    },
    "at_keyword": {
      "type": "PATTERN",
      "value": "@[a-zA-Z-_]+"
    },
    "comment": {
      "type": "TOKEN",
      "content": {
        "type": "CHOICE",
        "members": [
          {
            "type": "SEQ",
            "members": [
              {
                "type": "STRING",
                "value": "//"
              },
              {
                "type": "PATTERN",
                "value": ".*"
              }
            ]
          },
          {
            "type": "SEQ",
            "members": [
              {
                "type": "STRING",
                "value": "/*"
              },
              {
                "type": "PATTERN",
                "value": "[^*]*\\*+([^\\/*][^*]*\\*+)*"
              },
              {
                "type": "STRING",
                "value": "/"
              }
            ]
          }
        ]
      }
    }
  },
  "extras": [
    {
      "type": "PATTERN",
      "value": "\\s"
    },
    {
      "type": "SYMBOL",
      "name": "comment"
    }
  ],
  "conflicts": [],
  "externals": [
    {
      "type": "SYMBOL",
      "name": "_descendant_operator"
    }
  ],
  "inline": [
    "_top_level_item",
    "_block_item"
  ]
}