function e(e){for(var t={},n=e.split(","),r=0;r<n.length;++r){var i=n[r].toUpperCase(),o=n[r].charAt(0).toUpperCase()+n[r].slice(1);t[n[r]]=!0,t[i]=!0,t[o]=!0}return t}function t(e){return e.eatWhile(/[\w\$_]/),"meta"}var n,r=e("null"),i={"`":t,$:t},o=!1,a=e("abs,access,after,alias,all,and,architecture,array,assert,attribute,begin,block,body,buffer,bus,case,component,configuration,constant,disconnect,downto,else,elsif,end,end block,end case,end component,end for,end generate,end if,end loop,end process,end record,end units,entity,exit,file,for,function,generate,generic,generic map,group,guarded,if,impure,in,inertial,inout,is,label,library,linkage,literal,loop,map,mod,nand,new,next,nor,null,of,on,open,or,others,out,package,package body,port,port map,postponed,procedure,process,pure,range,record,register,reject,rem,report,return,rol,ror,select,severity,signal,sla,sll,sra,srl,subtype,then,to,transport,type,unaffected,units,until,use,variable,wait,when,while,with,xnor,xor"),l=e("architecture,entity,begin,case,port,else,elsif,end,for,function,if"),u=/[&|~><!\)\(*#%@+\/=?\:;}{,\.\^\-\[\]]/;function s(e,t){var c,p=e.next();if(i[p]){var f=i[p](e,t);if(!1!==f)return f}if('"'==p)return t.tokenize=(c=p,function(e,t){for(var n,r=!1,i=!1;null!=(n=e.next());){if(n==c&&!r){i=!0;break}r=!r&&"--"==n}return(i||!r&&!o)&&(t.tokenize=s),"string.special"}),t.tokenize(e,t);if("'"==p)return t.tokenize=function(e){return function(t,n){for(var r,i=!1,a=!1;null!=(r=t.next());){if(r==e&&!i){a=!0;break}i=!i&&"--"==r}return(a||!i&&!o)&&(n.tokenize=s),"string"}}(p),t.tokenize(e,t);if(/[\[\]{}\(\),;\:\.]/.test(p))return n=p,null;if(/[\d']/.test(p))return e.eatWhile(/[\w\.']/),"number";if("-"==p&&e.eat("-"))return e.skipToEnd(),"comment";if(u.test(p))return e.eatWhile(u),"operator";e.eatWhile(/[\w\$_]/);var d=e.current();return a.propertyIsEnumerable(d.toLowerCase())?(l.propertyIsEnumerable(d)&&(n="newstatement"),"keyword"):r.propertyIsEnumerable(d)?"atom":"variable"}function c(e,t,n,r,i){this.indented=e,this.column=t,this.type=n,this.align=r,this.prev=i}function p(e,t,n){return e.context=new c(e.indented,t,n,null,e.context)}function f(e){var t=e.context.type;return")"!=t&&"]"!=t&&"}"!=t||(e.indented=e.context.indented),e.context=e.context.prev}const d={name:"vhdl",startState:function(e){return{tokenize:null,context:new c(-e,0,"top",!1),indented:0,startOfLine:!0}},token:function(e,t){var r=t.context;if(e.sol()&&(null==r.align&&(r.align=!1),t.indented=e.indentation(),t.startOfLine=!0),e.eatSpace())return null;n=null;var i=(t.tokenize||s)(e,t);if("comment"==i||"meta"==i)return i;if(null==r.align&&(r.align=!0),";"!=n&&":"!=n||"statement"!=r.type)if("{"==n)p(t,e.column(),"}");else if("["==n)p(t,e.column(),"]");else if("("==n)p(t,e.column(),")");else if("}"==n){for(;"statement"==r.type;)r=f(t);for("}"==r.type&&(r=f(t));"statement"==r.type;)r=f(t)}else n==r.type?f(t):("}"==r.type||"top"==r.type||"statement"==r.type&&"newstatement"==n)&&p(t,e.column(),"statement");else f(t);return t.startOfLine=!1,i},indent:function(e,t,n){if(e.tokenize!=s&&null!=e.tokenize)return 0;var r=t&&t.charAt(0),i=e.context,o=r==i.type;return"statement"==i.type?i.indented+("{"==r?0:n.unit):i.align?i.column+(o?0:1):i.indented+(o?0:n.unit)},languageData:{indentOnInput:/^\s*[{}]$/,commentTokens:{line:"--"}}};export{d as vhdl};
