Add module for names from the C/C++ library

This commit adds a module for representing names from the C/C++
standard libraries. It uses models-as-data to represent the names, and
provides modules for accessing names in C99, C11 and C++14.

Author: lcartey

cpp/common/src/codingstandards/cpp/StandardLibraryNames.qll

@@ -0,0 +1,81 @@
+/**
+ * A module for representing names from the C and C++ Standard Library.
+ */
+
+import cpp
+
+/**
+ * Holds if the given standard defines the given macro in the given namespace.
+ */
+extensible predicate libraryMacroModel(
+  string standard, string header, string name, string parameters
+);
+
+/**
+ * Holds if the given standard defines the given type in the given namespace.
+ */
+extensible predicate libraryTypeModel(string standard, string header, string namespace, string name);
+
+/**
+ * Holds if the given standard defines the object or value name in the given namespace.
+ */
+extensible predicate libraryObjectModel(
+  string standard, string header, string namespace, string name, string type, string linkage
+);
+
+/**
+ * Holds if the given standard defines the function name in the given namespace.
+ */
+extensible predicate libraryFunctionModel(
+  string standard, string header, string namespace, string declaringType, string name,
+  string return_signature, string parameter_signature, string linkage
+);
+
+/**
+ * Holds if the given standard defines the given member variable in the given declaring type and namespace.
+ */
+extensible predicate libraryMemberVariableModel(
+  string standard, string header, string namespace, string declaringType, string name, string type
+);
+
+signature module StandardLibrary {
+  string getName();
+
+  default predicate hasMacroName(string header, string name, string parameters) {
+    libraryMacroModel(getName(), header, name, parameters)
+  }
+
+  default predicate hasTypeName(string header, string namespace, string name) {
+    libraryTypeModel(getName(), header, namespace, name)
+  }
+
+  default predicate hasObjectName(
+    string header, string namespace, string name, string type, string linkage
+  ) {
+    libraryObjectModel(getName(), header, namespace, name, type, linkage)
+  }
+
+  default predicate hasFunctionName(
+    string header, string namespace, string declaringType, string name, string return_signature,
+    string parameter_signature, string linkage
+  ) {
+    libraryFunctionModel(getName(), header, namespace, declaringType, name, return_signature,
+      parameter_signature, linkage)
+  }
+}
+
+module CStandardLibrary {
+  module C99 implements StandardLibrary {
+    string getName() { result = "C99" }
+  }
+
+  module C11 implements StandardLibrary {
+    string getName() { result = "C11" }
+  }
+}
+
+module CppStandardLibrary {
+  module Cpp14 implements StandardLibrary {
+    string getName() { result = "C++14" }
+  }
+}