Remove RegexBuilder for windows 5.9 support

Author: TTOzzi

Sources/SwiftFormat/Core/RuleMask.swift

@@ -11,7 +11,6 @@
 //===----------------------------------------------------------------------===//
 
 import Foundation
-import RegexBuilder
 import SwiftSyntax
 
 /// This class takes the raw source text and scans through it searching for comments that instruct
@@ -113,30 +112,10 @@ enum IgnoreDirective: CustomStringConvertible {
   }
 
   /// Regex pattern to match an ignore directive comment.
-  /// - Capture group #1 captures `":"`, if present.
-  /// - Capture group #2 captures the rule name(s), if any.
-  fileprivate func makeRegex() -> Regex<(Substring, Substring?, Substring?)> {
-    return Regex {
-      Anchor.startOfLine
-      ZeroOrMore(.whitespace)
-      "//"
-      ZeroOrMore(.whitespace)
-      description
-      NegativeLookahead {
-        CharacterClass.any.subtracting(.anyOf(":"))
-      }
-      Optionally {
-        Capture {
-          ":"
-        }
-      }
-      Optionally {
-        Capture {
-          OneOrMore(.whitespace)
-          OneOrMore(.any)
-        }
-      }
-    }
+  /// - Capture group #1 captures the rule names if `":"` is present.
+  fileprivate func makeRegex() -> Regex<(Substring, Substring?)> {
+    let pattern = #"^\s*\/\/\s*"# + description + #"(?:\s*:\s*(.+))?$"#
+    return try! Regex(pattern)
   }
 }
 
@@ -162,10 +141,10 @@ fileprivate class RuleStatusCollectionVisitor: SyntaxVisitor {
   private let sourceLocationConverter: SourceLocationConverter
 
   /// Cached regex object for ignoring rules at the node.
-  private let ignoreRegex: Regex<(Substring, Substring?, Substring?)>
+  private let ignoreRegex: Regex<(Substring, Substring?)>
 
   /// Cached regex object for ignoring rules at the file.
-  private let ignoreFileRegex: Regex<(Substring, Substring?, Substring?)>
+  private let ignoreFileRegex: Regex<(Substring, Substring?)>
 
   /// Stores the source ranges in which all rules are ignored.
   var allRulesIgnoredRanges: [SourceRange] = []
@@ -224,7 +203,7 @@ fileprivate class RuleStatusCollectionVisitor: SyntaxVisitor {
   private func appendRuleStatus(
     from token: TokenSyntax,
     of sourceRange: SourceRange,
-    using regex: Regex<(Substring, Substring?, Substring?)>
+    using regex: Regex<(Substring, Substring?)>
   ) -> SyntaxVisitorContinueKind {
     let isFirstInFile = token.previousToken(viewMode: .sourceAccurate) == nil
     let comments = loneLineComments(in: token.leadingTrivia, isFirstToken: isFirstInFile)
@@ -249,18 +228,14 @@ fileprivate class RuleStatusCollectionVisitor: SyntaxVisitor {
   /// match, its contents (e.g. list of rule names) are returned.
   private func ruleStatusDirectiveMatch(
     in text: String,
-    using regex: Regex<(Substring, Substring?, Substring?)>
+    using regex: Regex<(Substring, Substring?)>
   ) -> RuleStatusDirectiveMatch? {
     guard let match = text.firstMatch(of: regex) else {
       return nil
     }
-    let hasColon = match.output.1 != nil
-    guard hasColon else {
+    guard let matchedRuleNames = match.output.1 else {
       return .all
     }
-    guard let matchedRuleNames = match.output.2 else {
-      return nil
-    }
     let rules = matchedRuleNames.split(separator: ",")
       .map { $0.trimmingCharacters(in: .whitespaces) }
       .filter { $0.count > 0 }