class AdLint::Exam::CBuiltin::W0460

Public Class Methods

new(phase_ctxt) click to toggle source
Calls superclass method AdLint::Examination::new
# File lib/adlint/exam/c_builtin/cc1_check.rb, line 9593
def initialize(phase_ctxt)
  super
  interp = phase_ctxt[:cc1_interpreter]
  interp.on_variable_value_referred += T(:check)
end

Private Instance Methods

check(expr, var) click to toggle source
# File lib/adlint/exam/c_builtin/cc1_check.rb, line 9600
def check(expr, var)
  return if var.scope.global? || var.binding.memory.static?

  if var.named?
    if var.value.test_must_be_undefined.false?
      test = var.value.test_may_be_undefined
      if test.true?
        var = var.owner while var.inner?
        W(expr.location, var.name,
          *test.evidence.emit_context_messages(self, expr.location))
      end
    end
  end
end