codeql/csharp/ql/test/library-tests/extension/extensions.ql

import csharp

query predicate extensionMethodCallArgument(
  ExtensionMethodCall emc, ExtensionMethod em, Parameter p, int i, Expr e
) {
  em.getFile().getBaseName() = "extensions.cs" and
  emc.getTarget() = em and
  em.getParameter(i) = p and
  emc.getArgument(i) = e
}

query predicate extensionMethodCalls(
  ExtensionMethodCall emc, ExtensionMethod em, Type t, string type
) {
  em.getFile().getBaseName() = "extensions.cs" and
  emc.getTarget() = em and
  em.getDeclaringType() = t and
  em.getFullyQualifiedNameDebug() = type
}

query predicate extensionParameter(
  ExtensionMethod em, Parameter p, int i, string type, Parameter unbound
) {
  em.getFile().getBaseName() = "extensions.cs" and
  p = em.getParameter(i) and
  type = p.getType().toStringWithTypes() and
  unbound = p.getUnboundDeclaration()
}

query predicate extensionOperatorCallArgument(
  ExtensionOperator op, ExtensionOperatorCall opc, Parameter p, int pos, Expr e
) {
  opc.getTarget() = op and
  op.getFile().getBaseName() = "extensions.cs" and
  p = op.getParameter(pos) and
  e = opc.getArgument(pos)
}

query predicate extensionOperatorCalls(
  ExtensionOperatorCall opc, ExtensionOperator op, Type t, string type
) {
  op.getFile().getBaseName() = "extensions.cs" and
  opc.getTarget() = op and
  op.getDeclaringType() = t and
  op.getFullyQualifiedNameDebug() = type
}

query predicate extensionProperty(ExtensionProperty p, Type t) {
  p.getFile().getBaseName() = "extensions.cs" and
  p.getDeclaringType() = t
}

query predicate extensionPropertyCall(
  ExtensionPropertyCall pc, ExtensionProperty p, Type t, string type
) {
  p.getFile().getBaseName() = "extensions.cs" and
  pc.getProperty() = p and
  p.getDeclaringType() = t and
  p.getFullyQualifiedNameDebug() = type
}

query predicate extensionAccessorCall(
  MethodCall m, ExtensionAccessor a, ExtensionProperty p, string type
) {
  p.getFile().getBaseName() = "extensions.cs" and
  (a.(Getter).getDeclaration() = p or a.(Setter).getDeclaration() = p) and
  m.getTargetAccessor() = a and
  a.getFullyQualifiedNameDebug() = type
}