static/highlight/es/languages/vhdl.js

   1 /*! `vhdl` grammar compiled for Highlight.js 11.11.1 */
   2 var hljsGrammar = (function () {
   3   'use strict';
   4
   5   /*
   6   Language: VHDL
   7   Author: Igor Kalnitsky <igor@kalnitsky.org>
   8   Contributors: Daniel C.K. Kho <daniel.kho@tauhop.com>, Guillaume Savaton <guillaume.savaton@eseo.fr>
   9   Description: VHDL is a hardware description language used in electronic design automation to describe digital and mixed-signal systems.
  10   Website: https://en.wikipedia.org/wiki/VHDL
  11   Category: hardware
  12   */
  13
  14   function vhdl(hljs) {
  15     // Regular expression for VHDL numeric literals.
  16
  17     // Decimal literal:
  18     const INTEGER_RE = '\\d(_|\\d)*';
  19     const EXPONENT_RE = '[eE][-+]?' + INTEGER_RE;
  20     const DECIMAL_LITERAL_RE = INTEGER_RE + '(\\.' + INTEGER_RE + ')?' + '(' + EXPONENT_RE + ')?';
  21     // Based literal:
  22     const BASED_INTEGER_RE = '\\w+';
  23     const BASED_LITERAL_RE = INTEGER_RE + '#' + BASED_INTEGER_RE + '(\\.' + BASED_INTEGER_RE + ')?' + '#' + '(' + EXPONENT_RE + ')?';
  24
  25     const NUMBER_RE = '\\b(' + BASED_LITERAL_RE + '|' + DECIMAL_LITERAL_RE + ')';
  26
  27     const KEYWORDS = [
  28       "abs",
  29       "access",
  30       "after",
  31       "alias",
  32       "all",
  33       "and",
  34       "architecture",
  35       "array",
  36       "assert",
  37       "assume",
  38       "assume_guarantee",
  39       "attribute",
  40       "begin",
  41       "block",
  42       "body",
  43       "buffer",
  44       "bus",
  45       "case",
  46       "component",
  47       "configuration",
  48       "constant",
  49       "context",
  50       "cover",
  51       "disconnect",
  52       "downto",
  53       "default",
  54       "else",
  55       "elsif",
  56       "end",
  57       "entity",
  58       "exit",
  59       "fairness",
  60       "file",
  61       "for",
  62       "force",
  63       "function",
  64       "generate",
  65       "generic",
  66       "group",
  67       "guarded",
  68       "if",
  69       "impure",
  70       "in",
  71       "inertial",
  72       "inout",
  73       "is",
  74       "label",
  75       "library",
  76       "linkage",
  77       "literal",
  78       "loop",
  79       "map",
  80       "mod",
  81       "nand",
  82       "new",
  83       "next",
  84       "nor",
  85       "not",
  86       "null",
  87       "of",
  88       "on",
  89       "open",
  90       "or",
  91       "others",
  92       "out",
  93       "package",
  94       "parameter",
  95       "port",
  96       "postponed",
  97       "procedure",
  98       "process",
  99       "property",
 100       "protected",
 101       "pure",
 102       "range",
 103       "record",
 104       "register",
 105       "reject",
 106       "release",
 107       "rem",
 108       "report",
 109       "restrict",
 110       "restrict_guarantee",
 111       "return",
 112       "rol",
 113       "ror",
 114       "select",
 115       "sequence",
 116       "severity",
 117       "shared",
 118       "signal",
 119       "sla",
 120       "sll",
 121       "sra",
 122       "srl",
 123       "strong",
 124       "subtype",
 125       "then",
 126       "to",
 127       "transport",
 128       "type",
 129       "unaffected",
 130       "units",
 131       "until",
 132       "use",
 133       "variable",
 134       "view",
 135       "vmode",
 136       "vprop",
 137       "vunit",
 138       "wait",
 139       "when",
 140       "while",
 141       "with",
 142       "xnor",
 143       "xor"
 144     ];
 145     const BUILT_INS = [
 146       "boolean",
 147       "bit",
 148       "character",
 149       "integer",
 150       "time",
 151       "delay_length",
 152       "natural",
 153       "positive",
 154       "string",
 155       "bit_vector",
 156       "file_open_kind",
 157       "file_open_status",
 158       "std_logic",
 159       "std_logic_vector",
 160       "unsigned",
 161       "signed",
 162       "boolean_vector",
 163       "integer_vector",
 164       "std_ulogic",
 165       "std_ulogic_vector",
 166       "unresolved_unsigned",
 167       "u_unsigned",
 168       "unresolved_signed",
 169       "u_signed",
 170       "real_vector",
 171       "time_vector"
 172     ];
 173     const LITERALS = [
 174       // severity_level
 175       "false",
 176       "true",
 177       "note",
 178       "warning",
 179       "error",
 180       "failure",
 181       // textio
 182       "line",
 183       "text",
 184       "side",
 185       "width"
 186     ];
 187
 188     return {
 189       name: 'VHDL',
 190       case_insensitive: true,
 191       keywords: {
 192         keyword: KEYWORDS,
 193         built_in: BUILT_INS,
 194         literal: LITERALS
 195       },
 196       illegal: /\{/,
 197       contains: [
 198         hljs.C_BLOCK_COMMENT_MODE, // VHDL-2008 block commenting.
 199         hljs.COMMENT('--', '$'),
 200         hljs.QUOTE_STRING_MODE,
 201         {
 202           className: 'number',
 203           begin: NUMBER_RE,
 204           relevance: 0
 205         },
 206         {
 207           className: 'string',
 208           begin: '\'(U|X|0|1|Z|W|L|H|-)\'',
 209           contains: [ hljs.BACKSLASH_ESCAPE ]
 210         },
 211         {
 212           className: 'symbol',
 213           begin: '\'[A-Za-z](_?[A-Za-z0-9])*',
 214           contains: [ hljs.BACKSLASH_ESCAPE ]
 215         }
 216       ]
 217     };
 218   }
 219
 220   return vhdl;
 221
 222 })();
 223 ;
 224 export default hljsGrammar;