27 lines
1.3 KiB
JavaScript
27 lines
1.3 KiB
JavaScript
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Prism.languages.vhdl = {
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'comment': /--.+/,
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// support for all logic vectors
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'vhdl-vectors': {
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'pattern': /\b[oxb]"[\da-f_]+"|"[01uxzwlh-]+"/i,
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'alias': 'number'
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},
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// support for operator overloading included
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'quoted-function': {
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pattern: /"\S+?"(?=\()/,
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alias: 'function'
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},
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'string': /"(?:[^\\"\r\n]|\\(?:\r\n|[\s\S]))*"/,
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'attribute': {
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pattern: /\b'\w+/,
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alias: 'attr-name'
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},
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// support for predefined attributes included
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'keyword': /\b(?:access|after|alias|all|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|new|next|null|of|on|open|others|out|package|port|postponed|private|procedure|process|pure|range|record|register|reject|report|return|select|severity|shared|signal|subtype|then|to|transport|type|unaffected|units|until|use|variable|view|wait|when|while|with)\b/i,
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'boolean': /\b(?:false|true)\b/i,
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'function': /\w+(?=\()/,
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// decimal, based, physical, and exponential numbers supported
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'number': /'[01uxzwlh-]'|\b(?:\d+#[\da-f_.]+#|\d[\d_.]*)(?:e[-+]?\d+)?/i,
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'operator': /[<>]=?|:=|[-+*/&=]|\b(?:abs|and|mod|nand|nor|not|or|rem|rol|ror|sla|sll|sra|srl|xnor|xor)\b/i,
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'punctuation': /[{}[\];(),.:]/
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};
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