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/**

* @name Alert suppression

* @description Generates information about alert suppressions.

* @kind alert-suppression

* @id swift/alert-suppression

private import codeql.util.suppression.AlertSuppression as AS

private import codeql.swift.elements.Locatable as L

private import codeql.swift.elements.Comments as C

class AstNode extends L::Locatable {

predicate hasLocationInfo(string path, int startLine, int startColumn, int endLine, int endColumn) {

this.getLocation().hasLocationInfo(path, startLine, startColumn, endLine, endColumn)

}

class SingleLineComment extends AstNode instanceof C::Comment {

private string text;

SingleLineComment() {

this instanceof C::SingleLineComment and

text = super.getText().regexpCapture("//([^\\r\\n]*)[\\r\\n]?", 1)

this instanceof C::MultiLineComment and

// suppression comments must be single-line

text = super.getText().regexpCapture("/\\*([^\\r\\n]*)\\*/", 1)

}

override predicate hasLocationInfo(

string path, int startLine, int startColumn, int endLine, int endColumn

) {

this.(C::SingleLineComment).getLocation().hasLocationInfo(path, startLine, startColumn, _, _) and

endLine = startLine and

endColumn = startColumn + text.length() + 1

this.(C::MultiLineComment)

.getLocation()

.hasLocationInfo(path, startLine, startColumn, endLine, endColumn + 1)

}

string getText() { result = text }

}

import AS::Make<AstNode, SingleLineComment>

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