{
  "name": "context_predicate",
  "rules": {
    "source": {
      "type": "SYMBOL",
      "name": "_expression"
    },
    "_expression": {
      "type": "CHOICE",
      "members": [
        {
          "type": "SYMBOL",
          "name": "identifier"
        },
        {
          "type": "SYMBOL",
          "name": "not"
        },
        {
          "type": "SYMBOL",
          "name": "and"
        },
        {
          "type": "SYMBOL",
          "name": "or"
        },
        {
          "type": "SYMBOL",
          "name": "equal"
        },
        {
          "type": "SYMBOL",
          "name": "not_equal"
        },
        {
          "type": "SYMBOL",
          "name": "parenthesized"
        }
      ]
    },
    "identifier": {
      "type": "PATTERN",
      "value": "[A-Za-z0-9_-]+"
    },
    "not": {
      "type": "PREC",
      "value": 3,
      "content": {
        "type": "SEQ",
        "members": [
          {
            "type": "STRING",
            "value": "!"
          },
          {
            "type": "FIELD",
            "name": "expression",
            "content": {
              "type": "SYMBOL",
              "name": "_expression"
            }
          }
        ]
      }
    },
    "and": {
      "type": "PREC_LEFT",
      "value": 2,
      "content": {
        "type": "SEQ",
        "members": [
          {
            "type": "FIELD",
            "name": "left",
            "content": {
              "type": "SYMBOL",
              "name": "_expression"
            }
          },
          {
            "type": "STRING",
            "value": "&&"
          },
          {
            "type": "FIELD",
            "name": "right",
            "content": {
              "type": "SYMBOL",
              "name": "_expression"
            }
          }
        ]
      }
    },
    "or": {
      "type": "PREC_LEFT",
      "value": 1,
      "content": {
        "type": "SEQ",
        "members": [
          {
            "type": "FIELD",
            "name": "left",
            "content": {
              "type": "SYMBOL",
              "name": "_expression"
            }
          },
          {
            "type": "STRING",
            "value": "||"
          },
          {
            "type": "FIELD",
            "name": "right",
            "content": {
              "type": "SYMBOL",
              "name": "_expression"
            }
          }
        ]
      }
    },
    "equal": {
      "type": "SEQ",
      "members": [
        {
          "type": "FIELD",
          "name": "left",
          "content": {
            "type": "SYMBOL",
            "name": "identifier"
          }
        },
        {
          "type": "STRING",
          "value": "=="
        },
        {
          "type": "FIELD",
          "name": "right",
          "content": {
            "type": "SYMBOL",
            "name": "identifier"
          }
        }
      ]
    },
    "not_equal": {
      "type": "SEQ",
      "members": [
        {
          "type": "FIELD",
          "name": "left",
          "content": {
            "type": "SYMBOL",
            "name": "identifier"
          }
        },
        {
          "type": "STRING",
          "value": "!="
        },
        {
          "type": "FIELD",
          "name": "right",
          "content": {
            "type": "SYMBOL",
            "name": "identifier"
          }
        }
      ]
    },
    "parenthesized": {
      "type": "SEQ",
      "members": [
        {
          "type": "STRING",
          "value": "("
        },
        {
          "type": "FIELD",
          "name": "expression",
          "content": {
            "type": "SYMBOL",
            "name": "_expression"
          }
        },
        {
          "type": "STRING",
          "value": ")"
        }
      ]
    }
  },
  "extras": [
    {
      "type": "PATTERN",
      "value": "\\s"
    }
  ],
  "conflicts": [],
  "precedences": [],
  "externals": [],
  "inline": [],
  "supertypes": []
}