PrintAST.ql

/**
 * @name Print AST
 * @description Outputs a representation of the Abstract Syntax Tree.
 * @id cpp/print-ast
 * @kind graph
 */

import cpp
import semmle.code.cpp.PrintAST

/**
 * Temporarily tweak this class or make a copy to control which
 * declarations are printed.
 */
class Cfg extends PrintAstConfiguration {
  /**
   * TWEAK THIS PREDICATE AS NEEDED.
   * Holds if the AST for `decl` should be printed.
   */
  override predicate shouldPrintDeclaration(Declaration decl) {
    // Only include source files with a `test` directory as the parent
    // of its containing directory, which fits the expected structure
    // of CodeQL unit tests in this project.
    decl.getFile().getParentContainer().getParentContainer().getBaseName() = "test"
  }
}