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Mini Shell
Mini Shell
/*
Language: Verilog
Author: Jon Evans <jon@craftyjon.com>
Contributors: Boone Severson <boone.severson@gmail.com>
Description: Verilog is a hardware description language used in electronic design automation to describe digital and mixed-signal systems. This highlighter supports Verilog and SystemVerilog through IEEE 1800-2012.
Website: http://www.verilog.com
*/
function verilog(hljs) {
const regex = hljs.regex;
const KEYWORDS = {
$pattern: /\$?[\w]+(\$[\w]+)*/,
keyword: [
"accept_on",
"alias",
"always",
"always_comb",
"always_ff",
"always_latch",
"and",
"assert",
"assign",
"assume",
"automatic",
"before",
"begin",
"bind",
"bins",
"binsof",
"bit",
"break",
"buf|0",
"bufif0",
"bufif1",
"byte",
"case",
"casex",
"casez",
"cell",
"chandle",
"checker",
"class",
"clocking",
"cmos",
"config",
"const",
"constraint",
"context",
"continue",
"cover",
"covergroup",
"coverpoint",
"cross",
"deassign",
"default",
"defparam",
"design",
"disable",
"dist",
"do",
"edge",
"else",
"end",
"endcase",
"endchecker",
"endclass",
"endclocking",
"endconfig",
"endfunction",
"endgenerate",
"endgroup",
"endinterface",
"endmodule",
"endpackage",
"endprimitive",
"endprogram",
"endproperty",
"endspecify",
"endsequence",
"endtable",
"endtask",
"enum",
"event",
"eventually",
"expect",
"export",
"extends",
"extern",
"final",
"first_match",
"for",
"force",
"foreach",
"forever",
"fork",
"forkjoin",
"function",
"generate|5",
"genvar",
"global",
"highz0",
"highz1",
"if",
"iff",
"ifnone",
"ignore_bins",
"illegal_bins",
"implements",
"implies",
"import",
"incdir",
"include",
"initial",
"inout",
"input",
"inside",
"instance",
"int",
"integer",
"interconnect",
"interface",
"intersect",
"join",
"join_any",
"join_none",
"large",
"let",
"liblist",
"library",
"local",
"localparam",
"logic",
"longint",
"macromodule",
"matches",
"medium",
"modport",
"module",
"nand",
"negedge",
"nettype",
"new",
"nexttime",
"nmos",
"nor",
"noshowcancelled",
"not",
"notif0",
"notif1",
"or",
"output",
"package",
"packed",
"parameter",
"pmos",
"posedge",
"primitive",
"priority",
"program",
"property",
"protected",
"pull0",
"pull1",
"pulldown",
"pullup",
"pulsestyle_ondetect",
"pulsestyle_onevent",
"pure",
"rand",
"randc",
"randcase",
"randsequence",
"rcmos",
"real",
"realtime",
"ref",
"reg",
"reject_on",
"release",
"repeat",
"restrict",
"return",
"rnmos",
"rpmos",
"rtran",
"rtranif0",
"rtranif1",
"s_always",
"s_eventually",
"s_nexttime",
"s_until",
"s_until_with",
"scalared",
"sequence",
"shortint",
"shortreal",
"showcancelled",
"signed",
"small",
"soft",
"solve",
"specify",
"specparam",
"static",
"string",
"strong",
"strong0",
"strong1",
"struct",
"super",
"supply0",
"supply1",
"sync_accept_on",
"sync_reject_on",
"table",
"tagged",
"task",
"this",
"throughout",
"time",
"timeprecision",
"timeunit",
"tran",
"tranif0",
"tranif1",
"tri",
"tri0",
"tri1",
"triand",
"trior",
"trireg",
"type",
"typedef",
"union",
"unique",
"unique0",
"unsigned",
"until",
"until_with",
"untyped",
"use",
"uwire",
"var",
"vectored",
"virtual",
"void",
"wait",
"wait_order",
"wand",
"weak",
"weak0",
"weak1",
"while",
"wildcard",
"wire",
"with",
"within",
"wor",
"xnor",
"xor"
],
literal: [ 'null' ],
built_in: [
"$finish",
"$stop",
"$exit",
"$fatal",
"$error",
"$warning",
"$info",
"$realtime",
"$time",
"$printtimescale",
"$bitstoreal",
"$bitstoshortreal",
"$itor",
"$signed",
"$cast",
"$bits",
"$stime",
"$timeformat",
"$realtobits",
"$shortrealtobits",
"$rtoi",
"$unsigned",
"$asserton",
"$assertkill",
"$assertpasson",
"$assertfailon",
"$assertnonvacuouson",
"$assertoff",
"$assertcontrol",
"$assertpassoff",
"$assertfailoff",
"$assertvacuousoff",
"$isunbounded",
"$sampled",
"$fell",
"$changed",
"$past_gclk",
"$fell_gclk",
"$changed_gclk",
"$rising_gclk",
"$steady_gclk",
"$coverage_control",
"$coverage_get",
"$coverage_save",
"$set_coverage_db_name",
"$rose",
"$stable",
"$past",
"$rose_gclk",
"$stable_gclk",
"$future_gclk",
"$falling_gclk",
"$changing_gclk",
"$display",
"$coverage_get_max",
"$coverage_merge",
"$get_coverage",
"$load_coverage_db",
"$typename",
"$unpacked_dimensions",
"$left",
"$low",
"$increment",
"$clog2",
"$ln",
"$log10",
"$exp",
"$sqrt",
"$pow",
"$floor",
"$ceil",
"$sin",
"$cos",
"$tan",
"$countbits",
"$onehot",
"$isunknown",
"$fatal",
"$warning",
"$dimensions",
"$right",
"$high",
"$size",
"$asin",
"$acos",
"$atan",
"$atan2",
"$hypot",
"$sinh",
"$cosh",
"$tanh",
"$asinh",
"$acosh",
"$atanh",
"$countones",
"$onehot0",
"$error",
"$info",
"$random",
"$dist_chi_square",
"$dist_erlang",
"$dist_exponential",
"$dist_normal",
"$dist_poisson",
"$dist_t",
"$dist_uniform",
"$q_initialize",
"$q_remove",
"$q_exam",
"$async$and$array",
"$async$nand$array",
"$async$or$array",
"$async$nor$array",
"$sync$and$array",
"$sync$nand$array",
"$sync$or$array",
"$sync$nor$array",
"$q_add",
"$q_full",
"$psprintf",
"$async$and$plane",
"$async$nand$plane",
"$async$or$plane",
"$async$nor$plane",
"$sync$and$plane",
"$sync$nand$plane",
"$sync$or$plane",
"$sync$nor$plane",
"$system",
"$display",
"$displayb",
"$displayh",
"$displayo",
"$strobe",
"$strobeb",
"$strobeh",
"$strobeo",
"$write",
"$readmemb",
"$readmemh",
"$writememh",
"$value$plusargs",
"$dumpvars",
"$dumpon",
"$dumplimit",
"$dumpports",
"$dumpportson",
"$dumpportslimit",
"$writeb",
"$writeh",
"$writeo",
"$monitor",
"$monitorb",
"$monitorh",
"$monitoro",
"$writememb",
"$dumpfile",
"$dumpoff",
"$dumpall",
"$dumpflush",
"$dumpportsoff",
"$dumpportsall",
"$dumpportsflush",
"$fclose",
"$fdisplay",
"$fdisplayb",
"$fdisplayh",
"$fdisplayo",
"$fstrobe",
"$fstrobeb",
"$fstrobeh",
"$fstrobeo",
"$swrite",
"$swriteb",
"$swriteh",
"$swriteo",
"$fscanf",
"$fread",
"$fseek",
"$fflush",
"$feof",
"$fopen",
"$fwrite",
"$fwriteb",
"$fwriteh",
"$fwriteo",
"$fmonitor",
"$fmonitorb",
"$fmonitorh",
"$fmonitoro",
"$sformat",
"$sformatf",
"$fgetc",
"$ungetc",
"$fgets",
"$sscanf",
"$rewind",
"$ftell",
"$ferror"
]
};
const BUILT_IN_CONSTANTS = [
"__FILE__",
"__LINE__"
];
const DIRECTIVES = [
"begin_keywords",
"celldefine",
"default_nettype",
"default_decay_time",
"default_trireg_strength",
"define",
"delay_mode_distributed",
"delay_mode_path",
"delay_mode_unit",
"delay_mode_zero",
"else",
"elsif",
"end_keywords",
"endcelldefine",
"endif",
"ifdef",
"ifndef",
"include",
"line",
"nounconnected_drive",
"pragma",
"resetall",
"timescale",
"unconnected_drive",
"undef",
"undefineall"
];
return {
name: 'Verilog',
aliases: [
'v',
'sv',
'svh'
],
case_insensitive: false,
keywords: KEYWORDS,
contains: [
hljs.C_BLOCK_COMMENT_MODE,
hljs.C_LINE_COMMENT_MODE,
hljs.QUOTE_STRING_MODE,
{
scope: 'number',
contains: [ hljs.BACKSLASH_ESCAPE ],
variants: [
{ begin: /\b((\d+'([bhodBHOD]))[0-9xzXZa-fA-F_]+)/ },
{ begin: /\B(('([bhodBHOD]))[0-9xzXZa-fA-F_]+)/ },
{ // decimal
begin: /\b[0-9][0-9_]*/,
relevance: 0
}
]
},
/* parameters to instances */
{
scope: 'variable',
variants: [
{ begin: '#\\((?!parameter).+\\)' },
{
begin: '\\.\\w+',
relevance: 0
}
]
},
{
scope: 'variable.constant',
match: regex.concat(/`/, regex.either(...BUILT_IN_CONSTANTS)),
},
{
scope: 'meta',
begin: regex.concat(/`/, regex.either(...DIRECTIVES)),
end: /$|\/\/|\/\*/,
returnEnd: true,
keywords: DIRECTIVES
}
]
};
}
module.exports = verilog;
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