first version

queries/printast.ql

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+/**
+ * @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 functions are
+ * printed.
+ */
+class Cfg extends PrintASTConfiguration {
+  /**
+   * TWEAK THIS PREDICATE AS NEEDED.
+   * Holds if the AST for `func` should be printed.
+   */
+  override predicate shouldPrintFunction(Function func) { func.getName() = "main" }
+}

queries/qlpack.yml

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+name: ast-queries-cpp
+version: 0.0.0
+libraryPathDependencies: codeql-cpp

queries/queries.xml

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+<queries language="cpp"/>