Make some fields static

VimR/VimR/FileService.swift

@@ -260,10 +260,11 @@ class FileService {
 
       if self.shouldStop() { return }
 
+      let scoreThreshold = FuzzyMatcher.minScore() + 1
       callback(files[start..<end].compactMap { file in
         let url = file.url!
         let score = matcher.score(matchFullPath ? url.path : url.lastPathComponent)
-        if score <= matcher.minScore + 1 { return nil }
+        if score <= scoreThreshold { return nil }
 
         return ScoredUrl(url: url, score: score)
       })

VimR/VimR/FuzzyMatcher/FuzzyMatcher.h

@@ -8,9 +8,9 @@
 
 @interface FuzzyMatcher : NSObject
 
-@property (readonly) NSInteger maxPatternLength;
-@property (readonly) NSInteger maxTextLength;
-@property (readonly) NSInteger minScore;
++ (NSInteger)maxPatternLength;
++ (NSInteger)maxTextLength;
++ (NSInteger)minScore;
 
 - (instancetype _Nonnull)initWithPattern:(NSString * _Nonnull)pattern;
 - (NSInteger)score:(NSString * _Nonnull)text;

VimR/VimR/FuzzyMatcher/FuzzyMatcher.mm

@@ -11,17 +11,11 @@
   ccls::FuzzyMatcher *_matcher;
 }
 
-- (NSInteger)maxPatternLength {
-  return ccls::FuzzyMatcher::kMaxPat;
-}
++ (NSInteger)maxPatternLength {return ccls::FuzzyMatcher::kMaxPat;}
 
-- (NSInteger)maxTextLength {
-  return ccls::FuzzyMatcher::kMaxText;
-}
++ (NSInteger)maxTextLength {return ccls::FuzzyMatcher::kMaxText;}
 
-- (NSInteger)minScore {
-  return ccls::FuzzyMatcher::kMinScore;
-}
++ (NSInteger)minScore {return ccls::FuzzyMatcher::kMinScore;}
 
 - (instancetype)initWithPattern:(NSString *)pattern {
   self = [super init];