| /** | |
| * @fileoverview | |
| * Registers a language handler for VHDL '93. | |
| * | |
| * Based on the lexical grammar and keywords at | |
| * http://www.iis.ee.ethz.ch/~zimmi/download/vhdl93_syntax.html | |
| * | |
| * @author benoit@ryder.fr | |
| */ | |
| PR.registerLangHandler( | |
| PR.createSimpleLexer( | |
| [ | |
| // Whitespace | |
| [PR.PR_PLAIN, /^[\t\n\r \xA0]+/, null, '\t\n\r \xA0'] | |
| ], | |
| [ | |
| // String, character or bit string | |
| [PR.PR_STRING, /^(?:[BOX]?"(?:[^\"]|"")*"|'.')/i], | |
| // Comment, from two dashes until end of line. | |
| [PR.PR_COMMENT, /^--[^\r\n]*/], | |
| [PR.PR_KEYWORD, /^(?:abs|access|after|alias|all|and|architecture|array|assert|attribute|begin|block|body|buffer|bus|case|component|configuration|constant|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|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)(?=[^\w-]|$)/i, null], | |
| // Type, predefined or standard | |
| [PR.PR_TYPE, /^(?:bit|bit_vector|character|boolean|integer|real|time|string|severity_level|positive|natural|signed|unsigned|line|text|std_u?logic(?:_vector)?)(?=[^\w-]|$)/i, null], | |
| // Predefined attributes | |
| [PR.PR_TYPE, /^\'(?:ACTIVE|ASCENDING|BASE|DELAYED|DRIVING|DRIVING_VALUE|EVENT|HIGH|IMAGE|INSTANCE_NAME|LAST_ACTIVE|LAST_EVENT|LAST_VALUE|LEFT|LEFTOF|LENGTH|LOW|PATH_NAME|POS|PRED|QUIET|RANGE|REVERSE_RANGE|RIGHT|RIGHTOF|SIMPLE_NAME|STABLE|SUCC|TRANSACTION|VAL|VALUE)(?=[^\w-]|$)/i, null], | |
| // Number, decimal or based literal | |
| [PR.PR_LITERAL, /^\d+(?:_\d+)*(?:#[\w\\.]+#(?:[+\-]?\d+(?:_\d+)*)?|(?:\.\d+(?:_\d+)*)?(?:E[+\-]?\d+(?:_\d+)*)?)/i], | |
| // Identifier, basic or extended | |
| [PR.PR_PLAIN, /^(?:[a-z]\w*|\\[^\\]*\\)/i], | |
| // Punctuation | |
| [PR.PR_PUNCTUATION, /^[^\w\t\n\r \xA0\"\'][^\w\t\n\r \xA0\-\"\']*/] | |
| ]), | |
| ['vhdl', 'vhd']); |