{
  "scopeName": "source.p4",
  "name": "P4",
  "fileTypes": [
    "p4"
  ],
  "patterns": [
    {
      "begin": "/\\*",
      "beginCaptures": {
        "0": {
          "name": "punctuation.definition.comment.block.begin.p4"
        }
      },
      "end": "\\*/",
      "endCaptures": {
        "0": {
          "name": "punctuation.definition.comment.block.end.p4"
        }
      },
      "name": "comment.block.p4"
    },
    {
      "begin": "\"",
      "beginCaptures": {
        "0": {
          "name": "punctuation.definition.string.begin.p4"
        }
      },
      "end": "\"",
      "endCaptures": {
        "0": {
          "name": "punctuation.definition.string.end.p4"
        }
      },
      "name": "string.quoted.double.p4"
    },
    {
      "begin": "//",
      "beginCaptures": {
        "0": {
          "name": "comment.p4"
        }
      },
      "end": "\\n",
      "name": "comment.line.p4"
    },
    {
      "match": "\\b(header_type|header|metadata|field_list|field_list_calculation|parser|parser_exception|parser_value_set|counter|meter|register|action|action_profile|table|control|extern)\\b",
      "name": "storage.type.object.p4"
    },
    {
      "match": "\\b(bool|bit|varbit|int)\\b",
      "name": "storage.data.type.p4"
    },
    {
      "match": "\\b(hit|miss|latest|return|default)\\b",
      "name": "variable.language.p4"
    },
    {
      "match": "\\b(if|else if|else|return|hit|miss|true|false)\\b",
      "name": "keyword.control.p4"
    },
    {
      "match": "\\b(and|or)\\b",
      "name": "keyword.operator.p4"
    },
    {
      "match": "\\b(exact|ternary|lpm|range|valid|mask)\\b",
      "comment": "table field match type",
      "name": "entity.name.type.p4"
    },
    {
      "match": "\\b(reads|actions|min_size|max_size|size|support_timeout|action_profile)\\b",
      "comment": "table elements",
      "name": "storage.type.p4"
    },
    {
      "match": "\\b(bytes|packets)\\b",
      "comment": "counter/meter/register types",
      "name": "storage.type.p4"
    },
    {
      "match": "\\b(width|layout|attributes|type|static|result|direct|instance_count|min_width|saturating)\\b",
      "comment": "counter/meter/register fields",
      "name": "entity.name.type.p4"
    },
    {
      "match": "\\b(length|fields|max_length)\\b",
      "comment": "header fields",
      "name": "entity.name.type.p4"
    },
    {
      "match": "\\#include",
      "name": "meta.preprocessor.include.p4"
    },
    {
      "match": "\\#define",
      "name": "meta.preprocessor.define.p4"
    },
    {
      "match": "\\b(apply|valid|select|current|extract|add_header|copy_header|remove_header|modify_field|add_to_field|add|set_field_to_hash_index|truncate|drop|no_op|push|pop|count|meter|generate_digest|resubmit|recirculate|clone_ingress_pkt_to_ingress|clone_egress_pkt_to_ingress|clone_ingress_pkt_to_egress|clone_egress_pkt_to_egress|register_write|register_read)\\b",
      "comment": "primitive actions/builtin functions",
      "name": "support.function.primitive.p4"
    },
    {
      "match": "[a-zA-Z_][0-9a-zA-Z_]*",
      "name": "support.any-method.p4"
    },
    {
      "match": "[\\+|-]?[0-9]+'[0-9]+",
      "comment": "const value",
      "name": "constant.numeric.p4"
    },
    {
      "match": "0(x|X)[0-9a-fA-F]+",
      "name": "constant.numeric.p4"
    },
    {
      "match": "0(b|B)[01]+",
      "name": "constant.numeric.p4"
    },
    {
      "match": "[0-9]+",
      "name": "constant.numeric.p4"
    },
    {
      "match": "\\b(true|false)\\b",
      "name": "constant.language.p4"
    }
  ]
}