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Manage swift5 string literals

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This commit is contained in:
kenji
2020-07-27 11:47:26 +02:00
parent fe82f6a448
commit 4a6bc933e1
3 changed files with 49 additions and 1 deletions
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9
pmd-swift/src/main/antlr4/net/sourceforge/pmd/lang/swift/antlr4/Swift.g4
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@ -1018,7 +1018,7 @@ ImplicitParameterName : '$' DecimalLiteral ; // TODO: don't allow '_' here
// GRAMMAR OF A LITERAL
booleanLiteral: BooleanLiteral ;
literal : numericLiteral | MultiStringLiteral | SingleStringLiteral | BooleanLiteral | NilLiteral ;
literal : numericLiteral | MultiStringLiteral | DashedSingleStringLiteral | SingleStringLiteral | BooleanLiteral | NilLiteral ;
// GRAMMAR OF AN INTEGER LITERAL
@ -1078,6 +1078,13 @@ fragment MultiQuotedTextItem : MultiInterpolatedString
;
fragment MultiInterpolatedString: '\\(' (MultiQuotedTextItem | SingleStringLiteral)* ')';
DashedSingleStringLiteral : '#"' DashedMultiQuotedText? '"#' ;
fragment DashedMultiQuotedText : DashedMultiQuotedTextItem+ ;
fragment DashedMultiQuotedTextItem : EscapedCharacter | DashedMultiInterpolatedString
| ~[\\\u000A\u000D]
;
fragment DashedMultiInterpolatedString: '\\#(' (DashedMultiQuotedTextItem | DashedSingleStringLiteral)* ')';
// StringLiteral : '"' QuotedText? '"' ;
SingleStringLiteral : '"' QuotedText? '"' ;
fragment SingleDoubleQuote : '"' | ~["] ;

8
pmd-swift/src/test/resources/net/sourceforge/pmd/lang/swift/cpd/testdata/Swift5.0.swift vendored
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@ -38,3 +38,11 @@ var x = 2
print(x[keyPath: id]) // prints 2
x[keyPath: id] = 3
print(x[keyPath: id]) // prints 3
// https://www.swiftbysundell.com/articles/string-literals-in-swift/
let rawString = #"Press "Continue" to close this dialog."#
extension URL {
func html(withTitle title: String) -> String {
return #"<a href="\#(absoluteString)">\#(title)</a>"#
}
}

33
pmd-swift/src/test/resources/net/sourceforge/pmd/lang/swift/cpd/testdata/Swift5.0.txt vendored
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@ -197,4 +197,37 @@ L40
[id] 18 19
[\]] 20 20
[)] 21 21
L43
[let] 1 3
[rawString] 5 13
[=] 15 15
[#"Press "Continue" to close this d[ 17 58
L44
[extension] 1 9
[URL] 11 13
[{] 15 15
L45
[func] 5 8
[html] 10 13
[(] 14 14
[withTitle] 15 23
[title] 25 29
[:] 30 30
[String] 32 37
[)] 38 38
[->] 40 41
[String] 43 48
[{] 50 50
L46
[return] 9 14
[#"<a href="\\#(absoluteString)">\\[ 16 61
L47
[}] 5 5
L48
[}] 1 1
L49
[let] 1 3
[regex] 5 9
[=] 11 11
[#"w+"#] 13 18
EOF