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This commit is contained in:
Marcelo Fabri
2016-12-14 14:20:19 -02:00
parent b4c25c05a0
commit ebf3002e55
1 changed files with 19 additions and 10 deletions
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Source/SwiftLintFramework/Rules/OperatorUsageWhitespaceRule.swift
+19 -10
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@@ -40,7 +40,11 @@ public struct OperatorUsageWhitespaceRule: OptInRule, ConfigurationProviderRule
"let foo=1+2\n",
"let foo=1 + 2\n",
"let foo=bar\n",
"let range = 1 ..< 3\n"
"let range = 1 ..< 3\n",
"let foo = bar ?? 0\n",
"let foo = bar??0\n",
"let foo = bar != 0\n",
"let foo = bar !== bar2\n"
]
)
@@ -48,27 +52,32 @@ public struct OperatorUsageWhitespaceRule: OptInRule, ConfigurationProviderRule
let escapedOperators = ["/", "=", "-", "+", "*", "|", "^", "~"]
.map({ "\\\($0)" }).joined()
let rangePattern = "\\.\\.(?:\\.|<)" // ... or ..<
let operators = "(?:[\(escapedOperators)%<>&]+|\(rangePattern))"
let notEqualsPattern = "\\!\\=\\=?" // != or !==
let coalescingPattern = "\\?{2}"
let operators = "(?:[\(escapedOperators)%<>&]+|\(rangePattern)|\(coalescingPattern)|" +
"\(notEqualsPattern))"
let oneSpace = "[^\\S\\r\\n]" // to allow lines ending with operators to be valid
let zeroSpaces = oneSpace + "{0}"
let manySpaces = oneSpace + "{2,}"
let variableOrNumber = "(?:\(RegexHelpers.varName)|\(RegexHelpers.number))"
let variableOrNumber = "\\b"
let pattern1 = variableOrNumber + zeroSpaces + operators + zeroSpaces + variableOrNumber
let pattern2 = variableOrNumber + oneSpace + operators + manySpaces + variableOrNumber
let pattern3 = variableOrNumber + manySpaces + operators + oneSpace + variableOrNumber
let pattern4 = variableOrNumber + manySpaces + operators + manySpaces + variableOrNumber
let spaces = [(zeroSpaces, zeroSpaces), (oneSpace, manySpaces),
(manySpaces, oneSpace), (manySpaces, manySpaces)]
let patterns = spaces.map { first, second in
variableOrNumber + first + operators + second + variableOrNumber
}
let pattern = "(?:\(patterns.joined(separator: "|")))"
let genericPattern = "<.+?>"
let validRangePattern = variableOrNumber + zeroSpaces + rangePattern +
zeroSpaces + variableOrNumber
let pattern = [pattern1, pattern2, pattern3, pattern4].joined(separator: "|")
let excludingPattern = "(?:\(genericPattern)|\(validRangePattern))"
let kinds = SyntaxKind.commentAndStringKinds()
return file.matchPattern("(?:\(pattern))", excludingSyntaxKinds: kinds,
return file.matchPattern(pattern, excludingSyntaxKinds: kinds,
excludingPattern: excludingPattern).map {
return StyleViolation(ruleDescription: type(of: self).description,
severity: configuration.severity,