grammar.json

{
  "name": "nix",
  "word": "keyword",
  "rules": {
    "source_code": {
      "type": "CHOICE",
      "members": [
        {
          "type": "FIELD",
          "name": "expression",
          "content": {
            "type": "SYMBOL",
            "name": "_expression"
          }
        },
        {
          "type": "BLANK"
        }
      ]
    },
    "_expression": {
      "type": "SYMBOL",
      "name": "_expr_function_expression"
    },
    "keyword": {
      "type": "PATTERN",
      "value": "if|then|else|let|inherit|in|rec|with|assert"
    },
    "identifier": {
      "type": "PATTERN",
      "value": "[a-zA-Z_][a-zA-Z0-9_\\'\\-]*"
    },
    "variable_expression": {
      "type": "FIELD",
      "name": "name",
      "content": {
        "type": "SYMBOL",
        "name": "identifier"
      }
    },
    "integer_expression": {
      "type": "PATTERN",
      "value": "[0-9]+"
    },
    "float_expression": {
      "type": "PATTERN",
      "value": "(([1-9][0-9]*\\.[0-9]*)|(0?\\.[0-9]+))([Ee][+-]?[0-9]+)?"
    },
    "path_expression": {
      "type": "SEQ",
      "members": [
        {
          "type": "ALIAS",
          "content": {
            "type": "SYMBOL",
            "name": "_path_start"
          },
          "named": true,
          "value": "path_fragment"
        },
        {
          "type": "REPEAT",
          "content": {
            "type": "CHOICE",
            "members": [
              {
                "type": "SYMBOL",
                "name": "path_fragment"
              },
              {
                "type": "ALIAS",
                "content": {
                  "type": "SYMBOL",
                  "name": "_immediate_interpolation"
                },
                "named": true,
                "value": "interpolation"
              }
            ]
          }
        }
      ]
    },
    "_hpath_start": {
      "type": "PATTERN",
      "value": "\\~\\/[a-zA-Z0-9\\._\\-\\+\\/]+"
    },
    "hpath_expression": {
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        {
          "type": "ALIAS",
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            "type": "SYMBOL",
            "name": "_hpath_start"
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          "named": true,
          "value": "path_fragment"
        },
        {
          "type": "REPEAT",
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                "type": "SYMBOL",
                "name": "path_fragment"
              },
              {
                "type": "ALIAS",
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                  "type": "SYMBOL",
                  "name": "_immediate_interpolation"
                },
                "named": true,
                "value": "interpolation"
              }
            ]
          }
        }
      ]
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    "spath_expression": {
      "type": "PATTERN",
      "value": "<[a-zA-Z0-9\\._\\-\\+]+(\\/[a-zA-Z0-9\\._\\-\\+]+)*>"
    },
    "uri_expression": {
      "type": "PATTERN",
      "value": "[a-zA-Z][a-zA-Z0-9\\+\\-\\.]*:[a-zA-Z0-9%\\/\\?:@\\&=\\+\\$,\\-_\\.\\!\\~\\*\\']+"
    },
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          "type": "SYMBOL",
          "name": "function_expression"
        },
        {
          "type": "SYMBOL",
          "name": "assert_expression"
        },
        {
          "type": "SYMBOL",
          "name": "with_expression"
        },
        {
          "type": "SYMBOL",
          "name": "let_expression"
        },
        {
          "type": "SYMBOL",
          "name": "_expr_if"
        }
      ]
    },
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              "type": "FIELD",
              "name": "universal",
              "content": {
                "type": "SYMBOL",
                "name": "identifier"
              }
            },
            {
              "type": "STRING",
              "value": ":"
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            {
              "type": "FIELD",
              "name": "body",
              "content": {
                "type": "SYMBOL",
                "name": "_expr_function_expression"
              }
            }
          ]
        },
        {
          "type": "SEQ",
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            {
              "type": "FIELD",
              "name": "formals",
              "content": {
                "type": "SYMBOL",
                "name": "formals"
              }
            },
            {
              "type": "STRING",
              "value": ":"
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            {
              "type": "FIELD",
              "name": "body",
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                "type": "SYMBOL",
                "name": "_expr_function_expression"
              }
            }
          ]
        },
        {
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                "type": "SYMBOL",
                "name": "formals"
              }
            },
            {
              "type": "STRING",
              "value": "@"
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            {
              "type": "FIELD",
              "name": "universal",
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                "type": "SYMBOL",
                "name": "identifier"
              }
            },
            {
              "type": "STRING",
              "value": ":"
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            {
              "type": "FIELD",
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                "type": "SYMBOL",
                "name": "_expr_function_expression"
              }
            }
          ]
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        {
          "type": "SEQ",
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            {
              "type": "FIELD",
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                "type": "SYMBOL",
                "name": "identifier"
              }
            },
            {
              "type": "STRING",
              "value": "@"
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            {
              "type": "FIELD",
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                "type": "SYMBOL",
                "name": "formals"
              }
            },
            {
              "type": "STRING",
              "value": ":"
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            {
              "type": "FIELD",
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                "type": "SYMBOL",
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              }
            }
          ]
        }
      ]
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          ]
        },
        {
          "type": "SEQ",
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            {
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            {
              "type": "SEQ",
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                  "content": {
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                    "name": "formal"
                  }
                },
                {
                  "type": "REPEAT",
                  "content": {
                    "type": "SEQ",
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                      {
                        "type": "STRING",
                        "value": ","
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                        "type": "FIELD",
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                        "content": {
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                          "name": "formal"
                        }
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              "type": "STRING",
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        {
          "type": "SEQ",
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              "type": "SEQ",
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                },
                {
                  "type": "REPEAT",
                  "content": {
                    "type": "SEQ",
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                      {
                        "type": "STRING",
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                        }
                      }
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                  }
                }
              ]
            },
            {
              "type": "STRING",
              "value": ","
            },
            {
              "type": "FIELD",
              "name": "ellipses",
              "content": {
                "type": "SYMBOL",
                "name": "ellipses"
              }
            },
            {
              "type": "STRING",
              "value": "}"
            }
          ]
        },
        {
          "type": "SEQ",
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              "type": "STRING",
              "value": "{"
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            {
              "type": "FIELD",
              "name": "ellipses",
              "content": {
                "type": "SYMBOL",
                "name": "ellipses"
              }
            },
            {
              "type": "STRING",
              "value": "}"
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          ]
        }
      ]
    },
    "formal": {
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          "type": "FIELD",
          "name": "name",
          "content": {
            "type": "SYMBOL",
            "name": "identifier"
          }
        },
        {
          "type": "CHOICE",
          "members": [
            {
              "type": "SEQ",
              "members": [
                {
                  "type": "STRING",
                  "value": "?"
                },
                {
                  "type": "FIELD",
                  "name": "default",
                  "content": {
                    "type": "SYMBOL",
                    "name": "_expression"
                  }
                }
              ]
            },
            {
              "type": "BLANK"
            }
          ]
        }
      ]
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    "ellipses": {
      "type": "STRING",
      "value": "..."
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          "type": "STRING",
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          "type": "FIELD",
          "name": "condition",
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          }
        },
        {
          "type": "STRING",
          "value": ";"
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        {
          "type": "FIELD",
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            "type": "SYMBOL",
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          }
        }
      ]
    },
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          "type": "STRING",
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        },
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          "type": "FIELD",
          "name": "environment",
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            "type": "SYMBOL",
            "name": "_expression"
          }
        },
        {
          "type": "STRING",
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              "type": "SYMBOL",
              "name": "binding_set"
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              "type": "BLANK"
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          ]
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          "type": "STRING",
          "value": "in"
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        },
        {
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        },
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          "value": "else"
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        }
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