bf-server/syntaxes/bf.tmLanguage.json

{
	"$schema": "https://raw.githubusercontent.com/martinring/tmlanguage/master/tmlanguage.json",
	"scopeName": "source.bf",
	"patterns": [
		{
			"include": "#program"
		}
	],
	"repository": {
		"program": {
			"patterns": [
				{
					"include": "#valchange"
				},
				{
					"include":"#ptrchange"
				},
				{
					"include":"#input"
				},
				{
					"include":"#output"
				},
				{
					"include":"#paren-expression"
				},
				{
					"include": "#everythingelse"
				}
			]
		},
		"valchange": {
			"match": "[+-]",
			"name": "keyword.operator"
		},
		"ptrchange":{
			"match":"[<>]",
			"name":"keyword.operator"
		},
		
		"everythingelse": {
			"match": ".",
			"name": "comment.block.documentation"
		},
		"input":{
			"match":",",
			"name":"keyword.operator.input"
		},
		"output":{
			"match":"[.]",
			"name":"keyword.operator.output"
		},
		"paren-expression": {
			"begin": "\\[",
			"end": "\\]",
			"beginCaptures": {
				"0": {
					"name": "punctuation.paren.open"
				}
			},
			"endCaptures": {
				"0": {
					"name": "punctuation.paren.close"
				}
			},
			"name": "expression.group",
			"patterns": [
				{
					"include": "#program"
				}
			]
		}
	}
}