{
  "fileTypes": ["vhd", "vhdl", "vho", "vht"],
  "name": "vhdl",
  "patterns": [
    {
      "include": "#block_processing"
    },
    {
      "include": "#cleanup"
    }
  ],
  "repository": {
    "architecture_pattern": {
      "patterns": [
        {
          "begin": "(?x)\n\n\t\t\t\t\t\t# The word architecture $1\n\t\t\t\t\t\t\\b((?i:architecture))\\s+\n\t\t\t\t\t\t\n\t\t\t\t\t\t# Followed up by a valid $3 or invalid identifier $4\n\t\t\t\t\t\t(([a-zA-z][a-zA-z0-9_]*)|(.+))(?=\\s)\\s+\n\n\t\t\t\t\t\t# The word of $5\n\t\t\t\t\t\t((?i:of))\\s+\n\n\t\t\t\t\t\t# Followed by a valid $7 or invalid identifier $8\n\t\t\t\t\t\t(([a-zA-Z][a-zA-Z0-9_]*)|(.+?))(?=\\s*(?i:is))\\b\n\t\t\t\t\t",
          "beginCaptures": {
            "1": {
              "name": "keyword.language.vhdl"
            },
            "3": {
              "name": "entity.name.type.architecture.begin.vhdl"
            },
            "4": {
              "name": "invalid.illegal.invalid.identifier.vhdl"
            },
            "5": {
              "name": "keyword.language.vhdl"
            },
            "7": {
              "name": "entity.name.type.entity.reference.vhdl"
            },
            "8": {
              "name": "invalid.illegal.invalid.identifier.vhdl"
            }
          },
          "end": "(?x)\n\t\t\t\t\t\t# The word end $1\n\t\t\t\t\t\t\\b((?i:end))\n\n\t\t\t\t\t\t# Optional word architecture $3\n\t\t\t\t\t\t(\\s+((?i:architecture)))?\n\n\t\t\t\t\t\t# Optional same identifier $6 or illegal identifier $7\n\t\t\t\t\t\t(\\s+((\\3)|(.+?)))?\n\n\t\t\t\t\t\t# This will cause the previous to capture until just before the ; or $\n\t\t\t\t\t\t(?=\\s*;)\n\t\t\t\t\t",
          "endCaptures": {
            "1": {
              "name": "keyword.language.vhdl"
            },
            "3": {
              "name": "keyword.language.vhdl"
            },
            "6": {
              "name": "entity.name.type.architecture.end.vhdl"
            },
            "7": {
              "name": "invalid.illegal.mismatched.identifier.vhdl"
            }
          },
          "name": "support.block.architecture",
          "patterns": [
            {
              "include": "#function_definition_pattern"
            },
            {
              "include": "#procedure_definition_pattern"
            },
            {
              "include": "#component_pattern"
            },
            {
              "include": "#if_pattern"
            },
            {
              "include": "#process_pattern"
            },
            {
              "include": "#type_pattern"
            },
            {
              "include": "#record_pattern"
            },
            {
              "include": "#for_pattern"
            },
            {
              "include": "#entity_instantiation_pattern"
            },
            {
              "include": "#component_instantiation_pattern"
            },
            {
              "include": "#cleanup"
            }
          ]
        }
      ]
    },
    "attribute_list": {
      "patterns": [
        {
          "begin": "\\'\\(",
          "beginCaptures": {
            "0": {
              "name": "punctuation.vhdl"
            }
          },
          "end": "\\)",
          "endCaptures": {
            "0": {
              "name": "punctuation.vhdl"
            }
          },
          "patterns": [
            {
              "include": "#parenthetical_list"
            },
            {
              "include": "#cleanup"
            }
          ]
        }
      ]
    },
    "block_processing": {
      "patterns": [
        {
          "include": "#package_pattern"
        },
        {
          "include": "#package_body_pattern"
        },
        {
          "include": "#entity_pattern"
        },
        {
          "include": "#architecture_pattern"
        }
      ]
    },
    "case_pattern": {
      "patterns": [
        {
          "begin": "(?x)\n\t\t\t\t\t\t# Beginning of line ...\n\t\t\t\t\t\t^\\s*\n\n\t\t\t\t\t\t# Optional identifier ... $3 or invalid identifier $4\n\t\t\t\t\t\t(\n\t\t\t\t\t\t\t(\n\t\t\t\t\t\t\t\t ([a-zA-Z][a-zA-Z0-9_]*)\n\t\t\t\t\t\t\t\t|(.+?)\n\t\t\t\t\t\t\t)\n\t\t\t\t\t\t\t\\s*:\\s*\n\t\t\t\t\t\t)?\n\n\t\t\t\t\t\t# The word case $5\n\t\t\t\t\t\t\\b((?i:case))\\b\n\t\t\t\t\t",
          "beginCaptures": {
            "3": {
              "name": "entity.name.tag.case.begin.vhdl"
            },
            "4": {
              "name": "invalid.illegal.invalid.identifier.vhdl"
            },
            "5": {
              "name": "keyword.language.vhdl"
            }
          },
          "end": "(?x)\n\t\t\t\t\t\t# The word end $1\n\t\t\t\t\t\t\\b((?i:end))\\s*\n\n\t\t\t\t\t\t# The word case $4 or invalid word $5\n\t\t\t\t\t\t(\\s+(((?i:case))|(.*?)))\n\n\t\t\t\t\t\t# Optional identifier from before $8 or illegal $9\n\t\t\t\t\t\t(\\s+((\\2)|(.*?)))?\n\n\t\t\t\t\t\t# Ending with a semicolon\n\t\t\t\t\t\t(?=\\s*;)\n\t\t\t\t\t",
          "endCaptures": {
            "1": {
              "name": "keyword.language.vhdl"
            },
            "4": {
              "name": "keyword.language.vhdl"
            },
            "5": {
              "name": "invalid.illegal.case.required.vhdl"
            },
            "8": {
              "name": "entity.name.tag.case.end.vhdl"
            },
            "9": {
              "name": "invalid.illegal.mismatched.identifier.vhdl"
            }
          },
          "patterns": [
            {
              "include": "#control_patterns"
            },
            {
              "include": "#cleanup"
            }
          ]
        }
      ]
    },
    "cleanup": {
      "patterns": [
        {
          "include": "#comments"
        },
        {
          "include": "#constants_numeric"
        },
        {
          "include": "#strings"
        },
        {
          "include": "#attribute_list"
        },
        {
          "include": "#syntax_highlighting"
        }
      ]
    },
    "comments": {
      "patterns": [
        {
          "match": "--.*$\\n?",
          "name": "comment.line.double-dash.vhdl"
        }
      ]
    },
    "component_instantiation_pattern": {
      "patterns": [
        {
          "begin": "(?x)\n\t\t\t\t\t\t# From the beginning of the line ...\n\t\t\t\t\t\t^\\s*\n\n\t\t\t\t\t\t# Match a valid identifier $1\n\t\t\t\t\t\t([a-zA-Z][a-zA-Z0-9_]*)\n\n\t\t\t\t\t\t# Colon! $2\n\t\t\t\t\t\t\\s*(:)\\s*\n\n\t\t\t\t\t\t# Another valid identifier $3\n\t\t\t\t\t\t([a-zA-Z][a-zA-Z0-9_]*)\\b\n\n\t\t\t\t\t\t# Make sure we are just the other word, or the beginning of\n\t\t\t\t\t\t# a generic or port mapping\n\t\t\t\t\t\t(?=\\s*($|generic|port))\n\t\t\t\t\t",
          "beginCaptures": {
            "1": {
              "name": "entity.name.section.component_instantiation.vhdl"
            },
            "2": {
              "name": "punctuation.vhdl"
            },
            "3": {
              "name": "entity.name.tag.component.reference.vhdl"
            }
          },
          "end": ";",
          "endCaptures": {
            "0": {
              "name": "punctuation.vhdl"
            }
          },
          "patterns": [
            {
              "include": "#parenthetical_list"
            },
            {
              "include": "#cleanup"
            }
          ]
        }
      ]
    },
    "component_pattern": {
      "patterns": [
        {
          "begin": "(?x)\n\t\t\t\t\t\t# From the beginning of the line ...\n\t\t\t\t\t\t^\\s*\n\n\t\t\t\t\t\t# The word component $1\n\t\t\t\t\t\t\\b((?i:component))\\s+\n\n\t\t\t\t\t\t# A valid identifier $3 or invalid identifier $4\n\t\t\t\t\t\t(([a-zA-Z_][a-zA-Z0-9_]*)\\s*|(.+?))(?=\\b(?i:is|port)\\b|$|--)\n\n\t\t\t\t\t\t# Optional word is $6\n\t\t\t\t\t\t(\\b((?i:is\\b)))?\n\t\t\t\t\t",
          "beginCaptures": {
            "1": {
              "name": "keyword.language.vhdl"
            },
            "3": {
              "name": "entity.name.type.component.begin.vhdl"
            },
            "4": {
              "name": "invalid.illegal.invalid.identifier.vhdl"
            },
            "6": {
              "name": "keyword.language.vhdl"
            }
          },
          "end": "(?x)\n\t\t\t\t\t\t# The word end $1\n\t\t\t\t\t\t\\b((?i:end))\\s+\n\n\t\t\t\t\t\t# The word component $3 or illegal word $4\n\t\t\t\t\t\t(((?i:component\\b))|(.+?))(?=\\s*|;)\n\t\t\t\t\t\t\n\t\t\t\t\t\t# Optional identifier $7 or illegal mismatched $8\n\t\t\t\t\t\t(\\s+((\\3)|(.+?)))?(?=\\s*;)\n\t\t\t\t\t",
          "endCaptures": {
            "1": {
              "name": "keyword.language.vhdl"
            },
            "3": {
              "name": "keyword.language.vhdl"
            },
            "4": {
              "name": "invalid.illegal.component.keyword.required.vhdl"
            },
            "7": {
              "name": "entity.name.type.component.end.vhdl"
            },
            "8": {
              "name": "invalid.illegal.mismatched.identifier.vhdl"
            }
          },
          "patterns": [
            {
              "include": "#generic_list_pattern"
            },
            {
              "include": "#port_list_pattern"
            },
            {
              "include": "#comments"
            }
          ]
        }
      ]
    },
    "constants_numeric": {
      "patterns": [
        {
          "match": "\\b([+\\-]?[\\d_]+\\.[\\d_]+([eE][+\\-]?[\\d_]+)?)\\b",
          "name": "constant.numeric.floating_point.vhdl"
        },
        {
          "match": "\\b\\d+#[\\h_]+#\\b",
          "name": "constant.numeric.base_pound_number_pound.vhdl"
        },
        {
          "match": "\\b[\\d_]+([eE][\\d_]+)?\\b",
          "name": "constant.numeric.integer.vhdl"
        },
        {
          "match": "[xX]\"[0-9a-fA-F_uUxXzZwWlLhH\\-]+\"",
          "name": "constant.numeric.quoted.double.string.hex.vhdl"
        },
        {
          "match": "[oO]\"[0-7_uUxXzZwWlLhH\\-]+\"",
          "name": "constant.numeric.quoted.double.string.octal.vhdl"
        },
        {
          "match": "[bB]?\"[01_uUxXzZwWlLhH\\-]+\"",
          "name": "constant.numeric.quoted.double.string.binary.vhdl"
        },
        {
          "captures": {
            "1": {
              "name": "invalid.illegal.quoted.double.string.vhdl"
            }
          },
          "match": "([bBoOxX]\".+?\")",
          "name": "constant.numeric.quoted.double.string.illegal.vhdl"
        },
        {
          "match": "'[01uUxXzZwWlLhH\\-]'",
          "name": "constant.numeric.quoted.single.std_logic"
        }
      ]
    },
    "control_patterns": {
      "patterns": [
        {
          "include": "#case_pattern"
        },
        {
          "include": "#if_pattern"
        },
        {
          "include": "#for_pattern"
        },
        {
          "include": "#while_pattern"
        }
      ]
    },
    "entity_instantiation_pattern": {
      "patterns": [
        {
          "begin": "(?x)\n\t\t\t\t\t\t# From the beginning of the line\n\t\t\t\t\t\t^\\s*\n\n\t\t\t\t\t\t# Component identifier or illegal identifier $1\n\t\t\t\t\t\t([a-zA-Z][a-zA-Z0-9_]*)\n\n\t\t\t\t\t\t# Colon! $2\n\t\t\t\t\t\t\\s*(:)\\s*\n\n\t\t\t\t\t\t# Optional word use $4\n\t\t\t\t\t\t(((?i:use))\\s+)?\n\n\t\t\t\t\t\t# Required word entity $5\n\t\t\t\t\t\t((?i:entity))\\s+\n\n\t\t\t\t\t\t# Optional library unit identifier $8 for invalid identifier $9 followed by a dot $10\n\t\t\t\t\t\t(\n\t\t\t\t\t\t\t(([a-zA-Z][a-zA-Z0-9_]*)|(.+?))\n\t\t\t\t\t\t\t(\\.)\n\t\t\t\t\t\t)?\n\n\t\t\t\t\t\t# Entity name reference $12 or illegal identifier $13\n\t\t\t\t\t\t(([a-zA-Z][a-zA-Z0-9_]*)|(.+?))\n\n\t\t\t\t\t\t# Check to see if we are being followed by either open paren, end of line, or port or generic words\n\t\t\t\t\t\t(?=\\s*(\\(|$|(?i:port|generic)))\n\n\t\t\t\t\t\t# Optional architecture elaboration\n\t\t\t\t\t\t(\n\t\t\t\t\t\t\t# Open paren $16\n\t\t\t\t\t\t\t\\s*(\\()\\s*\n\n\t\t\t\t\t\t\t# Arch identifier $18 or invalid identifier $19\n\t\t\t\t\t\t\t(([a-zA-Z][a-zA-Z0-9_]*)|(.+?))(?=\\s*\\))\n\n\t\t\t\t\t\t\t# Close paren $21\n\t\t\t\t\t\t\t\\s*(\\))\n\t\t\t\t\t\t)?\n\t\t\t\t\t",
          "beginCaptures": {
            "1": {
              "name": "entity.name.section.entity_instantiation.vhdl"
            },
            "2": {
              "name": "punctuation.vhdl"
            },
            "4": {
              "name": "keyword.language.vhdl"
            },
            "5": {
              "name": "keyword.language.vhdl"
            },
            "8": {
              "name": "entity.name.tag.library.reference.vhdl"
            },
            "9": {
              "name": "invalid.illegal.invalid.identifier.vhdl"
            },
            "10": {
              "name": "punctuation.vhdl"
            },
            "12": {
              "name": "entity.name.tag.entity.reference.vhdl"
            },
            "13": {
              "name": "invalid.illegal.invalid.identifier.vhdl"
            },
            "16": {
              "name": "punctuation.vhdl"
            },
            "18": {
              "name": "entity.name.tag.architecture.reference.vhdl"
            },
            "19": {
              "name": "invalid.illegal.invalid.identifier.vhdl"
            },
            "21": {
              "name": "punctuation.vhdl"
            }
          },
          "end": ";",
          "endCaptures": {
            "0": {
              "name": "punctuation.vhdl"
            }
          },
          "patterns": [
            {
              "include": "#parenthetical_list"
            },
            {
              "include": "#cleanup"
            }
          ]
        }
      ]
    },
    "entity_pattern": {
      "patterns": [
        {
          "begin": "(?x)\n\t\t\t\t\t\t# From the beginning of the line ...\n\t\t\t\t\t\t^\\s*\n\n\t\t\t\t\t\t# The word entity $1\n\t\t\t\t\t\t((?i:entity\\b))\\s+\n\n\t\t\t\t\t\t# The identifier $3 or an invalid identifier $4\n\t\t\t\t\t\t(([a-zA-Z][a-zA-Z\\d_]*)|(.+?))(?=\\s)\n\t\t\t\t\t",
          "beginCaptures": {
            "1": {
              "name": "keyword.language.vhdl"
            },
            "3": {
              "name": "entity.name.type.entity.begin.vhdl"
            },
            "4": {
              "name": "invalid.illegal.invalid.identifier.vhdl"
            }
          },
          "end": "(?x)\n\n\t\t\t\t\t\t# The word end $1\n\t\t\t\t\t\t\\b((?i:end\\b))\n\n\t\t\t\t\t\t# Optional word entity $3\n\t\t\t\t\t\t(\\s+((?i:entity)))?\n\n\t\t\t\t\t\t# Optional identifier match $6 or indentifier mismatch $7\n\t\t\t\t\t\t(\\s+((\\3)|(.+?)))?\n\t\t\t\t\t\t\n\t\t\t\t\t\t# Make sure there is a semicolon following\n\t\t\t\t\t\t(?=\\s*;)\n\t\t\t\t\t",
          "endCaptures": {
            "1": {
              "name": "keyword.language.vhdl"
            },
            "3": {
              "name": "keyword.language.vhdl"
            },
            "6": {
              "name": "entity.name.type.entity.end.vhdl"
            },
            "7": {
              "name": "invalid.illegal.mismatched.identifier.vhdl"
            }
          },
          "patterns": [
            {
              "include": "#comments"
            },
            {
              "include": "#generic_list_pattern"
            },
            {
              "include": "#port_list_pattern"
            },
            {
              "include": "#cleanup"
            }
          ]
        }
      ]
    },
    "for_pattern": {
      "patterns": [
        {
          "begin": "(?x)\n\t\t\t\t\t\t# From the beginning of the line\n\t\t\t\t\t\t^\\s*\n\t\t\t\t\t\t(\n\t\t\t\t\t\t\t# Check for an identifier $2\n\t\t\t\t\t\t\t([a-zA-Z][a-zA-Z0-9_]*)\n\n\t\t\t\t\t\t\t# Followed by a colon $3\n\t\t\t\t\t\t\t\\s*(:)\\s*\n\t\t\t\t\t\t)?\n\n\t\t\t\t\t\t# Make sure the next word is not wait\n\t\t\t\t\t\t(?!(?i:wait\\s*))\n\n\t\t\t\t\t\t# The for keyword $4\n\t\t\t\t\t\t\\b((?i:for))\\b\n\n\t\t\t\t\t\t# Make sure the next word is not all\n\t\t\t\t\t\t(?!\\s*(?i:all))\n\n\t\t\t\t\t",
          "beginCaptures": {
            "2": {
              "name": "entity.name.tag.for.generate.begin.vhdl"
            },
            "3": {
              "name": "punctuation.vhdl"
            },
            "4": {
              "name": "keyword.language.vhdl"
            }
          },
          "end": "(?x)\n\t\t\t\t\t\t# The word end $1\n\t\t\t\t\t\t\\b((?i:end))\\s+\n\t\t\t\t\t\t(\n\t\t\t\t\t\t\t# Followed by generate or loop $3\n\t\t\t\t\t\t\t ((?i:generate|loop))\n\n\t\t\t\t\t\t\t# But it really is required $4\n\t\t\t\t\t\t\t|(\\S+)\n\t\t\t\t\t\t)\\b\n\n\t\t\t\t\t\t# The matching identifier $7 or an invalid identifier $8\n\t\t\t\t\t\t(\\s+((\\2)|(.+?)))?\n\n\t\t\t\t\t\t# Only space and a semicolon left\n\t\t\t\t\t\t(?=\\s*;)\n\t\t\t\t\t",
          "endCaptures": {
            "1": {
              "name": "keyword.language.vhdl"
            },
            "3": {
              "name": "keyword.language.vhdl"
            },
            "4": {
              "name": "invalid.illegal.loop.or.generate.required.vhdl"
            },
            "7": {
              "name": "entity.name.tag.for.generate.end.vhdl"
            },
            "8": {
              "name": "invalid.illegal.mismatched.identifier.vhdl"
            }
          },
          "patterns": [
            {
              "include": "#control_patterns"
            },
            {
              "include": "#entity_instantiation_pattern"
            },
            {
              "include": "#component_pattern"
            },
            {
              "include": "#component_instantiation_pattern"
            },
            {
              "include": "#process_pattern"
            },
            {
              "include": "#cleanup"
            }
          ]
        }
      ]
    },
    "function_definition_pattern": {
      "patterns": [
        {
          "begin": "(?x)\n\t\t\t\t\t\t# From the beginning of the line\n\t\t\t\t\t\t^\\s*\n\n\t\t\t\t\t\t# The word function $1\n\t\t\t\t\t\t((?i:impure)?\\s*(?i:function))\\s+\n\n\t\t\t\t\t\t(\n\t\t\t\t\t\t\t# A valid normal identifier $3\n\t\t\t\t\t\t\t ([a-zA-Z][a-zA-Z\\d_]*)\n\t\t\t\t\t\t\t# A valid string quoted identifier $4\n\t\t\t\t\t\t\t|(\"\\S+\")\n\t\t\t\t\t\t\t# A valid backslash escaped identifier $5\n\t\t\t\t\t\t\t|(\\\\.+\\\\)\n\t\t\t\t\t\t\t# An invalid identifier $5\n\t\t\t\t\t\t\t|(.+?)\n\t\t\t\t\t\t)\n\n\t\t\t\t\t\t# Check to make sure we have a list or we return\n\t\t\t\t\t\t(?=\\s*\n\t\t\t\t\t\t\t(\n\t\t\t\t\t\t\t\t \\(\n\t\t\t\t\t\t\t\t|(?i:\\breturn\\b)\n\t\t\t\t\t\t\t)\n\t\t\t\t\t\t)\n\t\t\t\t\t",
          "beginCaptures": {
            "1": {
              "name": "keyword.language.vhdl"
            },
            "3": {
              "name": "entity.name.function.function.begin.vhdl"
            },
            "4": {
              "name": "entity.name.function.function.begin.vhdl"
            },
            "5": {
              "name": "entity.name.function.function.begin.vhdl"
            },
            "6": {
              "name": "invalid.illegal.invalid.identifier.vhdl"
            }
          },
          "end": "(?x)\n\t\t\t\t\t\t# From the beginning of the line\n\t\t\t\t\t\t^\\s*\n\n\t\t\t\t\t\t# The word end $1\n\t\t\t\t\t\t((?i:end))\n\n\t\t\t\t\t\t# Optional word function $3\n\t\t\t\t\t\t(\\s+((?i:function)))?\n\n\t\t\t\t\t\t# Optional matched identifier $6 or mismatched identifier $7\n\t\t\t\t\t\t(\\s+((\\3|\\4|\\5)|(.+?)))?\n\n\t\t\t\t\t\t# Ending with whitespace and semicolon\n\t\t\t\t\t\t(?=\\s*;)\n\t\t\t\t\t",
          "endCaptures": {
            "1": {
              "name": "keyword.language.vhdl"
            },
            "3": {
              "name": "keyword.language.vhdl"
            },
            "6": {
              "name": "entity.name.function.function.end.vhdl"
            },
            "7": {
              "name": "invalid.illegal.mismatched.identifier.vhdl"
            }
          },
          "patterns": [
            {
              "include": "#control_patterns"
            },
            {
              "include": "#parenthetical_list"
            },
            {
              "include": "#type_pattern"
            },
            {
              "include": "#record_pattern"
            },
            {
              "include": "#cleanup"
            }
          ]
        }
      ]
    },
    "function_prototype_pattern": {
      "patterns": [
        {
          "begin": "(?x)\n\t\t\t\t\t\t# From the beginning of the line\n\t\t\t\t\t\t^\\s*\n\n\t\t\t\t\t\t# The word function $1\n\t\t\t\t\t\t((?i:impure)?\\s*(?i:function))\\s+\n\t\t\t\t\t\t\n\t\t\t\t\t\t(\n\t\t\t\t\t\t\t# A valid normal identifier $3\n\t\t\t\t\t\t\t ([a-zA-Z][a-zA-Z\\d_]*)\n\t\t\t\t\t\t\t# A valid quoted identifier $4\n\t\t\t\t\t\t\t|(\"\\S+\")\n\t\t\t\t\t\t\t# A valid backslash escaped identifier $5\n\t\t\t\t\t\t\t|(\\\\.+\\\\)\n\t\t\t\t\t\t\t# An invalid identifier $6\n\t\t\t\t\t\t\t|(.+?)\n\t\t\t\t\t\t)\n\n\t\t\t\t\t\t# Check to make sure we have a list or we return\n\t\t\t\t\t\t(?=\\s*\n\t\t\t\t\t\t\t(\n\t\t\t\t\t\t\t\t \\(\n\t\t\t\t\t\t\t\t|(?i:\\breturn\\b)\n\t\t\t\t\t\t\t)\n\t\t\t\t\t\t)\n\t\t\t\t\t",
          "beginCaptures": {
            "1": {
              "name": "keyword.language.vhdl"
            },
            "3": {
              "name": "entity.name.function.function.prototype.vhdl"
            },
            "4": {
              "name": "entity.name.function.function.prototype.vhdl"
            },
            "5": {
              "name": "entity.name.function.function.prototype.vhdl"
            },
            "6": {
              "name": "invalid.illegal.function.name.vhdl"
            }
          },
          "end": "(?<=;)",
          "patterns": [
            {
              "begin": "\\b(?i:return)(?=\\s+[^;]+\\s*;)",
              "beginCaptures": {
                "0": {
                  "name": "keyword.language.vhdl"
                }
              },
              "end": "\\;",
              "endCaptures": {
                "0": {
                  "name": "punctuation.terminator.function_prototype.vhdl"
                }
              },
              "patterns": [
                {
                  "include": "#parenthetical_list"
                },
                {
                  "include": "#cleanup"
                }
              ]
            },
            {
              "include": "#parenthetical_list"
            },
            {
              "include": "#cleanup"
            }
          ]
        }
      ]
    },
    "generic_list_pattern": {
      "patterns": [
        {
          "begin": "\\b(?i:generic)\\b",
          "beginCaptures": {
            "0": {
              "name": "keyword.language.vhdl"
            }
          },
          "end": ";",
          "endCaptures": {
            "0": {
              "name": "punctuation.vhdl"
            }
          },
          "patterns": [
            {
              "include": "#parenthetical_list"
            }
          ]
        }
      ]
    },
    "if_pattern": {
      "patterns": [
        {
          "begin": "(?x)\n\t\t\t\t\t\t(\n\t\t\t\t\t\t\t# Optional identifier $2\n\t\t\t\t\t\t\t([a-zA-Z][a-zA-Z0-9_]*)\n\n\t\t\t\t\t\t\t# Followed by a colon $3\n\t\t\t\t\t\t\t\\s*(:)\\s*\n\t\t\t\t\t\t)?\n\n\t\t\t\t\t\t# Keyword if $4\n\t\t\t\t\t\t\\b((?i:if))\\b\n\t\t\t\t\t",
          "beginCaptures": {
            "2": {
              "name": "entity.name.tag.if.generate.begin.vhdl"
            },
            "3": {
              "name": "punctuation.vhdl"
            },
            "4": {
              "name": "keyword.language.vhdl"
            }
          },
          "end": "(?x)\n\t\t\t\t\t\t# The word end $1\n\t\t\t\t\t\t\\b((?i:end))\\s+\n\n\t\t\t\t\t\t(\n\t\t\t\t\t\t\t(\n\t\t\t\t\t\t\t\t# Optional generate or if keyword $4\n\t\t\t\t\t\t\t\t ((?i:generate|if))\n\n\t\t\t\t\t\t\t\t# Keyword if or generate required $5\n\t\t\t\t\t\t\t\t|(\\S+)\n\t\t\t\t\t\t\t)\\b\n\t\t\t\t\t\t\t(\n\t\t\t\t\t\t\t\t\\s+\n\t\t\t\t\t\t\t\t(\n\t\t\t\t\t\t\t\t\t# Optional matching identifier $8\n\t\t\t\t\t\t\t\t\t (\\2)\n\n\t\t\t\t\t\t\t\t\t# Mismatched identifier $9\n\t\t\t\t\t\t\t\t\t|(.+?)\n\t\t\t\t\t\t\t\t)\n\t\t\t\t\t\t\t)?\n\t\t\t\t\t\t)?\n\n\t\t\t\t\t\t# Followed by a semicolon\n\t\t\t\t\t\t(?=\\s*;)\n\t\t\t\t\t",
          "endCaptures": {
            "1": {
              "name": "keyword.language.vhdl"
            },
            "4": {
              "name": "keyword.language.vhdl"
            },
            "5": {
              "name": "invalid.illegal.if.or.generate.required.vhdl"
            },
            "8": {
              "name": "entity.name.tag.if.generate.end.vhdl"
            },
            "9": {
              "name": "invalid.illegal.mismatched.identifier.vhdl"
            }
          },
          "patterns": [
            {
              "include": "#control_patterns"
            },
            {
              "include": "#process_pattern"
            },
            {
              "include": "#entity_instantiation_pattern"
            },
            {
              "include": "#component_pattern"
            },
            {
              "include": "#component_instantiation_pattern"
            },
            {
              "include": "#cleanup"
            }
          ]
        }
      ]
    },
    "keywords": {
      "patterns": [
        {
          "match": "'(?i:active|ascending|base|delayed|driving|event|high|image|instance|instance_name|last|last_value|left|leftof|length|low|path|path_name|pos|pred|quiet|range|reverse|reverse_range|right|rightof|simple|simple_name|stable|succ|transaction|val|value)\\b",
          "name": "keyword.attributes.vhdl"
        },
        {
          "match": "\\b(?i:abs|access|after|alias|all|and|architecture|array|assert|attribute|begin|block|body|buffer|bus|case|component|configuration|constant|context|disconnect|downto|else|elsif|end|entity|exit|file|for|function|generate|generic|group|guarded|if|impure|in|inertial|inout|is|label|library|linkage|literal|loop|map|mod|nand|new|next|nor|not|null|of|on|open|or|others|out|package|port|postponed|procedure|process|protected|pure|range|record|register|reject|rem|report|return|rol|ror|select|severity|shared|signal|sla|sll|sra|srl|subtype|then|to|transport|type|unaffected|units|until|use|variable|wait|when|while|with|xnor|xor)\\b",
          "name": "keyword.language.vhdl"
        },
        {
          "match": "\\b(?i:std|ieee|work|standard|textio|std_logic_1164|std_logic_arith|std_logic_misc|std_logic_signed|std_logic_textio|std_logic_unsigned|numeric_bit|numeric_std|math_complex|math_real|vital_primitives|vital_timing)\\b",
          "name": "standard.library.language.vhdl"
        },
        {
          "match": "(\\+|\\-|<=|=|=>|:=|>=|>|<|/|\\||&|(\\*{1,2}))",
          "name": "keyword.operator.vhdl"
        }
      ]
    },
    "package_body_pattern": {
      "patterns": [
        {
          "begin": "(?x)\n\t\t\t\t\t\t# The word package $1\n\t\t\t\t\t\t\\b((?i:package))\\s+\n\n\t\t\t\t\t\t# ... but we want to be a package body $2\n\t\t\t\t\t\t((?i:body))\\s+\n\n\t\t\t\t\t\t# The valid identifier $4 or the invalid one $5\n\t\t\t\t\t\t(([a-zA-Z][a-zA-Z\\d_]*)|(.+?))\\s+\n\n\t\t\t\t\t\t# ... and we end it with an is $6\n\t\t\t\t\t\t((?i:is))\\b\n\t\t\t\t\t",
          "beginCaptures": {
            "1": {
              "name": "keyword.language.vhdl"
            },
            "2": {
              "name": "keyword.language.vhdl"
            },
            "4": {
              "name": "entity.name.section.package_body.begin.vhdl"
            },
            "5": {
              "name": "invalid.illegal.invalid.identifier.vhdl"
            },
            "6": {
              "name": "keyword.language.vhdl"
            }
          },
          "end": "(?x)\n\t\t\t\t\t\t# The word end $1\n\t\t\t\t\t\t\\b((?i:end\\b))\n\n\t\t\t\t\t\t# Optional word package $3 body $4\n\t\t\t\t\t\t(\\s+((?i:package))\\s+((?i:body)))?\n\n\t\t\t\t\t\t# Optional identifier $7 or mismatched identifier $8\n\t\t\t\t\t\t(\\s+((\\4)|(.+?)))?(?=\\s*;)",
          "endCaptures": {
            "1": {
              "name": "keyword.language.vhdl"
            },
            "3": {
              "name": "keyword.language.vhdl"
            },
            "4": {
              "name": "keyword.language.vhdl"
            },
            "7": {
              "name": "entity.name.section.package_body.end.vhdl"
            },
            "8": {
              "name": "invalid.illegal.mismatched.identifier.vhdl"
            }
          },
          "patterns": [
            {
              "include": "#protected_body_pattern"
            },
            {
              "include": "#function_definition_pattern"
            },
            {
              "include": "#procedure_definition_pattern"
            },
            {
              "include": "#type_pattern"
            },
            {
              "include": "#subtype_pattern"
            },
            {
              "include": "#record_pattern"
            },
            {
              "include": "#cleanup"
            }
          ]
        }
      ]
    },
    "package_pattern": {
      "patterns": [
        {
          "begin": "(?x)\n\t\t\t\t\t\t# The word package $1\n\t\t\t\t\t\t\\b((?i:package))\\s+\n\n\t\t\t\t\t\t# ... but we do not want to be a package body\n\t\t\t\t\t\t(?!(?i:body))\n\n\t\t\t\t\t\t# The valid identifier $3 or the invalid one $4\n\t\t\t\t\t\t(([a-zA-Z][a-zA-Z\\d_]*)|(.+?))\\s+\n\n\t\t\t\t\t\t# ... and we end it with an is $5\n\t\t\t\t\t\t((?i:is))\\b\n\t\t\t\t\t",
          "beginCaptures": {
            "1": {
              "name": "keyword.language.vhdl"
            },
            "3": {
              "name": "entity.name.section.package.begin.vhdl"
            },
            "4": {
              "name": "invalid.illegal.invalid.identifier.vhdl"
            },
            "5": {
              "name": "keyword.language.vhdl"
            }
          },
          "end": "(?x)\n\t\t\t\t\t\t# The word end $1\n\t\t\t\t\t\t\\b((?i:end\\b))\n\n\t\t\t\t\t\t# Optional word package $3\n\t\t\t\t\t\t(\\s+((?i:package)))?\n\n\t\t\t\t\t\t# Optional identifier $6 or mismatched identifier $7\n\t\t\t\t\t\t(\\s+((\\2)|(.+?)))?(?=\\s*;)",
          "endCaptures": {
            "1": {
              "name": "keyword.language.vhdl"
            },
            "3": {
              "name": "keyword.language.vhdl"
            },
            "6": {
              "name": "entity.name.section.package.end.vhdl"
            },
            "7": {
              "name": "invalid.illegal.mismatched.identifier.vhdl"
            }
          },
          "patterns": [
            {
              "include": "#protected_pattern"
            },
            {
              "include": "#function_prototype_pattern"
            },
            {
              "include": "#procedure_prototype_pattern"
            },
            {
              "include": "#type_pattern"
            },
            {
              "include": "#subtype_pattern"
            },
            {
              "include": "#record_pattern"
            },
            {
              "include": "#component_pattern"
            },
            {
              "include": "#cleanup"
            }
          ]
        }
      ]
    },
    "protected_body_pattern": {
      "patterns": [
        {
          "begin": "(?x)\n\t\t\t\t\t\t\\b((?i:type))\\s+\n\n\t\t\t\t\t\t# The valid identifier $2 or the invalid one $3\n\t\t\t\t\t\t(([a-zA-Z][a-zA-Z\\d_]*)|(.+?))\\s+\n\n\t\t\t\t\t\t\\b((?i:is\\s+protected\\s+body))\\s+\n\t\t\t\t\t",
          "beginCaptures": {
            "1": {
              "name": "keyword.language.vhdl"
            },
            "3": {
              "name": "entity.name.section.protected_body.begin.vhdl"
            },
            "4": {
              "name": "invalid.illegal.invalid.identifier.vhdl"
            },
            "5": {
              "name": "keyword.language.vhdl"
            }
          },
          "end": "(?x)\n\t\t\t\t\t\t\\b((?i:end\\s+protected\\s+body))\n\n\t\t\t\t\t\t# Optional identifier\n\t\t\t\t\t\t(\\s+((\\3)|(.+?)))?\n\n\t\t\t\t\t\t(?=\\s*;)\n\t\t\t\t\t\t",
          "endCaptures": {
            "1": {
              "name": "keyword.language.vhdl"
            },
            "4": {
              "name": "entity.name.section.protected_body.end.vhdl"
            },
            "5": {
              "name": "invalid.illegal.mismatched.identifier.vhdl"
            }
          },
          "patterns": [
            {
              "include": "#function_definition_pattern"
            },
            {
              "include": "#procedure_definition_pattern"
            },
            {
              "include": "#type_pattern"
            },
            {
              "include": "#subtype_pattern"
            },
            {
              "include": "#record_pattern"
            },
            {
              "include": "#cleanup"
            }
          ]
        }
      ]
    },
    "protected_pattern": {
      "patterns": [
        {
          "begin": "(?x)\n\t\t\t\t\t\t\\b((?i:type))\\s+\n\n\t\t\t\t\t\t# The valid identifier $2 or the invalid one $3\n\t\t\t\t\t\t(([a-zA-Z][a-zA-Z\\d_]*)|(.+?))\\s+\n\n\t\t\t\t\t\t\\b((?i:is\\s+protected))\\s+\n\n\t\t\t\t\t\t# Not body\n\t\t\t\t\t\t(?!(?i:body))\n\t\t\t\t\t",
          "beginCaptures": {
            "1": {
              "name": "keyword.language.vhdls"
            },
            "3": {
              "name": "entity.name.section.protected.begin.vhdl"
            },
            "4": {
              "name": "invalid.illegal.invalid.identifier.vhdl"
            },
            "5": {
              "name": "keyword.language.vhdl"
            }
          },
          "end": "(?x)\n\t\t\t\t\t\t\\b((?i:end\\s+protected))\n\n\t\t\t\t\t\t# Optional identifier\n\t\t\t\t\t\t(\\s+((\\3)|(.+?)))?\n\n\t\t\t\t\t\t# Not body\n\t\t\t\t\t\t(?!(?i:body))\n\n\t\t\t\t\t\t(?=\\s*;)\n\t\t\t\t\t",
          "endCaptures": {
            "1": {
              "name": "keyword.language.vhdl"
            },
            "4": {
              "name": "entity.name.section.protected.end.vhdl"
            },
            "5": {
              "name": "invalid.illegal.mismatched.identifier.vhdl"
            }
          },
          "patterns": [
            {
              "include": "#function_prototype_pattern"
            },
            {
              "include": "#procedure_prototype_pattern"
            },
            {
              "include": "#type_pattern"
            },
            {
              "include": "#subtype_pattern"
            },
            {
              "include": "#record_pattern"
            },
            {
              "include": "#component_pattern"
            },
            {
              "include": "#cleanup"
            }
          ]
        }
      ]
    },
    "parenthetical_list": {
      "patterns": [
        {
          "begin": "\\(",
          "beginCaptures": {
            "0": {
              "name": "punctuation.vhdl"
            }
          },
          "end": "(?<=\\))",
          "patterns": [
            {
              "begin": "(?=['\"a-zA-Z0-9])",
              "end": "(;|\\)|,)",
              "endCaptures": {
                "0": {
                  "name": "punctuation.vhdl"
                }
              },
              "name": "source.vhdl",
              "patterns": [
                {
                  "include": "#comments"
                },
                {
                  "include": "#parenthetical_pair"
                },
                {
                  "include": "#cleanup"
                }
              ]
            },
            {
              "match": "\\)",
              "name": "invalid.illegal.unexpected.parenthesis.vhdl"
            },
            {
              "include": "#cleanup"
            }
          ]
        }
      ]
    },
    "parenthetical_pair": {
      "patterns": [
        {
          "begin": "\\(",
          "beginCaptures": {
            "0": {
              "name": "punctuation.vhdl"
            }
          },
          "end": "\\)",
          "endCaptures": {
            "0": {
              "name": "punctuation.vhdl"
            }
          },
          "patterns": [
            {
              "include": "#parenthetical_pair"
            },
            {
              "include": "#cleanup"
            }
          ]
        }
      ]
    },
    "port_list_pattern": {
      "patterns": [
        {
          "begin": "\\b(?i:port)\\b",
          "beginCaptures": {
            "0": {
              "name": "keyword.language.vhdl"
            }
          },
          "end": "(?<=\\))\\s*;",
          "endCaptures": {
            "0": {
              "name": "punctuation.vhdl"
            }
          },
          "patterns": [
            {
              "include": "#parenthetical_list"
            }
          ]
        }
      ]
    },
    "procedure_definition_pattern": {
      "patterns": [
        {
          "begin": "(?x)\n\t\t\t\t\t\t# From the beginning of the line\n\t\t\t\t\t\t^\\s*\n\n\t\t\t\t\t\t# The word function $1\n\t\t\t\t\t\t((?i:procedure))\\s+\n\n\t\t\t\t\t\t(\n\t\t\t\t\t\t\t# A valid normal identifier $3\n\t\t\t\t\t\t\t ([a-zA-Z][a-zA-Z\\d_]*)\n\t\t\t\t\t\t\t# A valid quoted identifier $4\n\t\t\t\t\t\t\t|(\"\\S+\")\n\t\t\t\t\t\t\t# An invalid identifier $5\n\t\t\t\t\t\t\t|(.+?)\n\t\t\t\t\t\t)\n\n\t\t\t\t\t\t# Check to make sure we have a list is\n\t\t\t\t\t\t(?=\\s*(\\(|(?i:is)))\n\t\t\t\t\t",
          "beginCaptures": {
            "1": {
              "name": "keyword.language.vhdl"
            },
            "3": {
              "name": "entity.name.function.procedure.begin.vhdl"
            },
            "4": {
              "name": "entity.name.function.procedure.begin.vhdl"
            },
            "5": {
              "name": "invalid.illegal.invalid.identifier.vhdl"
            }
          },
          "end": "(?x)\n\t\t\t\t\t\t# From the beginning of the line\n\t\t\t\t\t\t^\\s*\n\n\t\t\t\t\t\t# The word end $1\n\t\t\t\t\t\t((?i:end))\n\n\t\t\t\t\t\t# Optional word function $3\n\t\t\t\t\t\t(\\s+((?i:procedure)))?\n\n\t\t\t\t\t\t# Optional matched identifier $6 or mismatched identifier $7\n\t\t\t\t\t\t(\\s+((\\3|\\4)|(.+?)))?\n\n\t\t\t\t\t\t# Ending with whitespace and semicolon\n\t\t\t\t\t\t(?=\\s*;)\n\t\t\t\t\t",
          "endCaptures": {
            "1": {
              "name": "keyword.language.vhdl"
            },
            "3": {
              "name": "keyword.language.vhdl"
            },
            "6": {
              "name": "entity.name.function.procedure.end.vhdl"
            },
            "7": {
              "name": "invalid.illegal.mismatched.identifier.vhdl"
            }
          },
          "patterns": [
            {
              "include": "#parenthetical_list"
            },
            {
              "include": "#control_patterns"
            },
            {
              "include": "#type_pattern"
            },
            {
              "include": "#record_pattern"
            },
            {
              "include": "#cleanup"
            }
          ]
        }
      ]
    },
    "procedure_prototype_pattern": {
      "patterns": [
        {
          "begin": "(?x)\n\t\t\t\t\t\t\\b((?i:procedure))\\s+\n\t\t\t\t\t\t(([a-zA-Z][a-zA-Z0-9_]*)|(.+?))\n\t\t\t\t\t\t(?=\\s*(\\(|;))\n\t\t\t\t\t",
          "beginCaptures": {
            "1": {
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}