52 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			52 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
// https://gn.googlesource.com/gn/+/refs/heads/main/docs/reference.md#grammar
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Prism.languages.gn = {
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	'comment': {
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		pattern: /#.*/,
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		greedy: true
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	},
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	'string-literal': {
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		pattern: /(^|[^\\"])"(?:[^\r\n"\\]|\\.)*"/,
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		lookbehind: true,
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		greedy: true,
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		inside: {
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			'interpolation': {
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				pattern: /((?:^|[^\\])(?:\\{2})*)\$(?:\{[\s\S]*?\}|[a-zA-Z_]\w*|0x[a-fA-F0-9]{2})/,
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				lookbehind: true,
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				inside: {
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					'number': /^\$0x[\s\S]{2}$/,
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					'variable': /^\$\w+$/,
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					'interpolation-punctuation': {
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						pattern: /^\$\{|\}$/,
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						alias: 'punctuation'
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					},
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					'expression': {
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						pattern: /[\s\S]+/,
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						inside: null // see below
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					}
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				}
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			},
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			'string': /[\s\S]+/
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		}
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	},
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	'keyword': /\b(?:else|if)\b/,
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	'boolean': /\b(?:false|true)\b/,
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	'builtin-function': {
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		// a few functions get special highlighting to improve readability
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		pattern: /\b(?:assert|defined|foreach|import|pool|print|template|tool|toolchain)(?=\s*\()/i,
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		alias: 'keyword'
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	},
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	'function': /\b[a-z_]\w*(?=\s*\()/i,
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	'constant': /\b(?:current_cpu|current_os|current_toolchain|default_toolchain|host_cpu|host_os|root_build_dir|root_gen_dir|root_out_dir|target_cpu|target_gen_dir|target_os|target_out_dir)\b/,
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	'number': /-?\b\d+\b/,
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	'operator': /[-+!=<>]=?|&&|\|\|/,
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	'punctuation': /[(){}[\],.]/
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};
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Prism.languages.gn['string-literal'].inside['interpolation'].inside['expression'].inside = Prism.languages.gn;
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Prism.languages.gni = Prism.languages.gn;
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