codeql/cpp/ql/src/AlertSuppression.ql at codeql-cli/latest · github/codeql · GitHub

41 lines (35 loc) · 1.17 KB

/**

* @name Alert suppression

* @description Generates information about alert suppressions.

* @kind alert-suppression

* @id cpp/alert-suppression

private import codeql.util.suppression.AlertSuppression as AS

private import semmle.code.cpp.Element

class AstNode extends Locatable {

predicate hasLocationInfo(

string filepath, int startline, int startcolumn, int endline, int endcolumn

) {

this.getLocation().hasLocationInfo(filepath, startline, startcolumn, endline, endcolumn)

}

class SingleLineComment extends Comment, AstNode {

private string text;

SingleLineComment() {

this instanceof CppStyleComment and

// strip the beginning slashes

text = this.getContents().suffix(2)

this instanceof CStyleComment and

// strip both the beginning /* and the end */ the comment

exists(string text0 |

text0 = this.getContents().suffix(2) and

text = text0.prefix(text0.length() - 2)

) and

// The /* */ comment must be a single-line comment

not text.matches("%\n%")

}

/** Gets the text in this comment, excluding the leading //. */

string getText() { result = text }

}

import AS::Make<AstNode, SingleLineComment>

Expand file tree