feat: Add AWK syntax highlighting

Author: hyperupcall

README.md

@@ -17,6 +17,7 @@ Snippets for
 
 Syntax highlighting for
 
+- AWK
 - Desktop Files
 - dircolors
 - i3
@@ -30,6 +31,7 @@ Syntax highlighting for
 
 ## Acknowledgements
 
+- [awk-sublime](https://github.com/JohnNilsson/awk-sublime) by JohnNilsson (MIT)
 - [comment-autocomplete](https://github.com/axetroy/vscode-comment-autocomplete) by axetroy (MIT)
 - [eslint-disable-snippets](https://github.com/drKnoxy/eslint-disable-snippets) by drKnoxy (MIT)
 - [stylelint-disable-snippets](https://github.com/hedinne/stylelint-disable-snippets) by hedinne (ISC)

language-configuration/awk.language-configuration.json

@@ -31,6 +31,17 @@
 	"icon": "images/icon.jpg",
 	"contributes": {
 		"languages": [
+			{
+				"id": "awk",
+				"aliases": [
+					"AWK",
+					"awk"
+				],
+				"extensions": [
+					".awk"
+				],
+				"configuration": "./language-configuration/awk.language-configuration.json"
+			},
 			{
 				"id": "desktop",
 				"aliases": [
@@ -211,6 +222,11 @@
 				"language": "xdefaults",
 				"scopeName": "source.xdefaults",
 				"path": "./syntaxes/xdefaults.tmLanguage.json"
+			},
+			{
+				"language": "awk",
+				"scopeName": "source.awk",
+				"path": "./syntaxes/awk.tmLanguage.json"
 			}
 		],
 		"snippets": [

package.json

@@ -0,0 +1,347 @@
+{
+	"name": "AWK",
+	"scope": "source.awk",
+	"file_extensions": ["awk"],
+	"variables": {
+		"NAME": "[A-Za-z_][A-Za-z_0-9]*"
+	},
+	"contexts": {
+		"main": [
+			{
+				"include": "comment"
+			},
+			{
+				"include": "procedure"
+			},
+			{
+				"include": "pattern"
+			}
+		],
+		"comment": [
+			{
+				"match": "(?<!\\S)(#)(?!\\{).*$\\n?",
+				"scope": "comment.line.number-sign.awk",
+				"captures": {
+					"1": "punctuation.definition.comment.awk"
+				}
+			}
+		],
+		"procedure": [
+			{
+				"match": "{",
+				"scope": "meta.brace.curly.awk",
+				"push": [
+					{
+						"match": "}",
+						"scope": "meta.brace.curly.awk",
+						"pop": true
+					},
+					{
+						"include": "comment"
+					},
+					{
+						"include": "procedure"
+					},
+					{
+						"include": "keyword"
+					},
+					{
+						"include": "expression"
+					}
+				]
+			}
+		],
+		"pattern": [
+			{
+				"include": "function-definition"
+			},
+			{
+				"include": "builtin-pattern"
+			},
+			{
+				"include": "expression"
+			}
+		],
+		"expression": [
+			{
+				"include": "comment"
+			},
+			{
+				"include": "command"
+			},
+			{
+				"include": "function"
+			},
+			{
+				"include": "constant"
+			},
+			{
+				"include": "variable"
+			},
+			{
+				"include": "groupings"
+			},
+			{
+				"include": "prefix-operator"
+			},
+			{
+				"include": "regexp"
+			},
+			{
+				"match": "(?=[\\S])",
+				"pop": true
+			}
+		],
+		"groupings": [
+			{
+				"match": "\\(",
+				"scope": "meta.brace.round.awk"
+			},
+			{
+				"match": "\\)(?=\\s*{)",
+				"scope": "meta.brace.round.awk"
+			},
+			{
+				"match": "\\)",
+				"scope": "meta.brace.round.awk",
+				"push": "infix-operator"
+			},
+			{
+				"match": "\\,",
+				"scope": "punctuation.separator.parameters.awk"
+			}
+		],
+		"builtin-pattern": [
+			{
+				"match": "\\b(BEGINFILE|BEGIN|ENDFILE|END)\\b",
+				"scope": "constant.language.awk"
+			}
+		],
+		"function-definition": [
+			{
+				"match": "\\b(function)\\s+({{NAME}})(\\()",
+				"captures": {
+					"1": "storage.type.function.awk",
+					"2": "entity.name.function.awk",
+					"3": "punctuation.definition.parameters.begin.awk"
+				},
+				"push": [
+					{
+						"match": "\\)",
+						"captures": {
+							"0": "punctuation.definition.parameters.end.awk"
+						},
+						"pop": true
+					},
+					{
+						"match": "\\b(\\w+)\\b",
+						"scope": "variable.parameter.function.awk"
+					},
+					{
+						"match": "\\b(,)\\b",
+						"scope": "punctuation.separator.parameters.awk"
+					}
+				]
+			}
+		],
+		"constant": [
+			{
+				"include": "numeric-constant"
+			},
+			{
+				"include": "string-constant"
+			}
+		],
+		"numeric-constant": [
+			{
+				"match": "\\b[0-9]+(?:\\.[0-9]+)?(?:e[+-][0-9]+)?\\b",
+				"scope": "constant.numeric.awk",
+				"push": "infix-operator"
+			}
+		],
+		"string-constant": [
+			{
+				"match": "\"",
+				"scope": "punctuation.definition.string.begin.awk",
+				"push": [
+					{
+						"meta_scope": "string.quoted.double.awk"
+					},
+					{
+						"match": "\"",
+						"scope": "punctuation.definition.string.end.awk",
+						"pop": true
+					},
+					{
+						"include": "escaped-char"
+					}
+				]
+			}
+		],
+		"escaped-char": [
+			{
+				"match": "\\\\(?:[\\\\abfnrtv/\"]|x[0-9A-Fa-f]{2}|[0-7]{3})",
+				"scope": "constant.character.escape.awk"
+			}
+		],
+		"regexp": [
+			{
+				"match": "/",
+				"scope": "punctuation.definition.regex.begin.awk",
+				"push": [
+					{
+						"meta_scope": "string.regexp"
+					},
+					{
+						"match": "(/)([gimy]*)",
+						"captures": {
+							"1": "punctuation.definition.regex.end.awk",
+							"2": "keyword.other.awk"
+						},
+						"set": "infix-operator"
+					},
+					{
+						"match": "(?=.|\\n)",
+						"with_prototype": [
+							{
+								"match": "(?=/)",
+								"pop": true
+							}
+						],
+						"push": [
+							{
+								"include": "scope:source.regexp"
+							}
+						]
+					}
+				]
+			}
+		],
+		"variable": [
+			{
+				"match": "\\$[0-9]+",
+				"scope": "variable.language.awk",
+				"push": "infix-operator"
+			},
+			{
+				"match": "\\b(?:FILENAME|FS|NF|NR|OFMT|OFS|ORS|RS)\\b",
+				"scope": "variable.language.awk",
+				"push": "infix-operator"
+			},
+			{
+				"match": "\\b(?:ARGC|ARGV|CONVFMT|ENVIRON|FNR|RLENGTH|RSTART|SUBSEP)\\b",
+				"scope": "variable.language.nawk",
+				"push": "infix-operator"
+			},
+			{
+				"match": "\\b(?:ARGIND|ERRNO|FIELDWIDTHS|IGNORECASE|RT)\\b",
+				"scope": "variable.language.gawk",
+				"push": "infix-operator"
+			},
+			{
+				"match": "\\b{{NAME}}\\b",
+				"scope": "variable.other.readwrite.awk",
+				"push": "infix-operator"
+			}
+		],
+		"keyword": [
+			{
+				"match": "\\b(?:break|continue|do|while|exit|for|if|else|return)\\b",
+				"scope": "keyword.control.awk"
+			}
+		],
+		"command": [
+			{
+				"match": "\\b(?:next|print|printf)\\b",
+				"scope": "keyword.other.command.awk"
+			},
+			{
+				"match": "\\b(?:close|getline|delete|system)\\b",
+				"scope": "keyword.other.command.nawk"
+			},
+			{
+				"match": "\\b(?:fflush|nextfile)\\b",
+				"scope": "keyword.other.command.bell-awk"
+			}
+		],
+		"function": [
+			{
+				"match": "\\b(?:exp|int|log|sqrt|index|length|split|sprintf|substr)\\b",
+				"scope": "support.function.awk"
+			},
+			{
+				"match": "\\b(?:atan2|cos|rand|sin|srand|gsub|match|sub|tolower|toupper)\\b",
+				"scope": "support.function.nawk"
+			},
+			{
+				"match": "\\b(?:gensub|strftime|systime)\\b",
+				"scope": "support.function.gawk"
+			},
+			{
+				"match": "\\b{{NAME}}(?=\\s*\\()",
+				"scope": "entity.name.function.awk"
+			}
+		],
+		"prefix-operator": [
+			{
+				"match": "[+-]",
+				"scope": "keyword.operator.arithmetic.awk",
+				"set": "expression"
+			}
+		],
+		"infix-operator": [
+			{
+				"match": "!?~|[=<>!]=|[<>]",
+				"scope": "keyword.operator.comparison.awk",
+				"set": "expression"
+			},
+			{
+				"match": "\\b(in)\\b",
+				"scope": "keyword.operator.comparison.awk",
+				"set": "expression"
+			},
+			{
+				"match": "[+\\-*/%^]=|\\+\\+|--|>>|=",
+				"scope": "keyword.operator.assignment.awk",
+				"set": "expression"
+			},
+			{
+				"match": "\\|\\||&&|!",
+				"scope": "keyword.operator.boolean.awk",
+				"set": "expression"
+			},
+			{
+				"match": "[+\\-*/%^]",
+				"scope": "keyword.operator.arithmetic.awk",
+				"set": "expression"
+			},
+			{
+				"match": "[?:]",
+				"scope": "keyword.operator.trinary.awk",
+				"set": "expression"
+			},
+			{
+				"match": "\\[",
+				"scope": "keyword.operator.index.awk",
+				"push": [
+					{
+						"match": "\\]",
+						"scope": "keyword.operator.index.awk",
+						"pop": true
+					},
+					{
+						"match": ",",
+						"scope": "punctuation.separator.index.awk"
+					},
+					{
+						"include": "expression"
+					}
+				]
+			},
+			{
+				"match": "(?=[\\S])",
+				"pop": true
+			}
+		]
+	}
+}