cm.tmLanguage.json

{
    "name": "CM Visual Studio",
    "scopeName": "source.CM",
	"fileType": ["CM"],
	"patterns":    [
		{
			"comment": "Karel system",
			"match": "(?i)\\B(\\${1}\\w+)\\b",
			"captures": {
                "1": { "name": "system.variable.CM" }
			  }
		},
		{
			"comment": "Karel program control",
			"match": "(?i)\\b(PRINT|DELPC|PCLOAD|RUNPC|DELTP|TPLOAD)\\b",
			"captures": {
				"1": { "name": "keyword.program.control.CM" }
			  }
		},
		{
			"comment": "Karel file control",
			"match": "(?i)\\b(PCVLOAD|TXPLOAD|ASLOAD|PCCLEAR|DELFR|DEL|VRLOAD|VRCLEAR|FRCOPY|COPY|WR_FILE)\\b",
			"captures": {
				"1": { "name": "keyword.file.control.CM" }
			  }
		},
		{
			"comment": "Karel other control",
			"match": "(?i)\\b(CLRALMH|DELAY|EXIT|IGALBKUP|SPEP_ON|SPEP_OFF|RE_POWER|ABORT|MKDIR|FRSETPR|FRCLRPR)\\b",
			"captures": {
				"1": { "name": "keyword.other.control.CM" }
			  }
		},
		{
			"comment": "KCL Command",
			"match": "(?i)\\b(SETVAR|SETIOVAL)\\b",
			"captures": {
				"1": { "name": "keyword.kcl.command.CM"}
			}
		},
		{
			"comment": "CM String",
			"match": "(\"([^\"])*\")",
			"captures": {
				"1": { "name": "type.string.CM"}
			}
		},
		{
			"comment": "CM Comment",
			"match":"(!.*)$",
			"captures": {
				"1": { "name": "type.comment.CM"}
			}
		},
		{
			"comment": "CM Operator",
			"match":"(<|<=|=|<>|>=|>|\\[|\\]|\\(|\\)|\\+)",
			"captures": {
				"1": { "name": "type.operator.CM"}
			}
		},
		{
			"comment": "CM @ Operator",
			"match":"(@.*)$",
			"captures": {
				"1": { "name": "type.operator.callfunction.CM"}
			}
		}
    ]


}