class AdLint::Exam::CBuiltin::W0028

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 549
def initialize(phase_ctxt)
  super
  @interp = phase_ctxt[:cc1_interpreter]
  @interp.on_indirection_expr_evaled     += T(:check_indirection)
  @interp.on_member_access_expr_evaled   += T(:check_member_access)
  @interp.on_array_subscript_expr_evaled += T(:check_array_subscript)
end

Private Instance Methods

check_array_subscript(expr, ptr_var, *) click to toggle source
# File lib/adlint/exam/c_builtin/cc1_check.rb, line 577
def check_array_subscript(expr, ptr_var, *)
  return unless ptr_var.type.pointer?
  if constant_expression?(expr.expression)
    val = ptr_var.value
    if val.scalar? && val.test_must_be_null.true?
      W(expr.location)
    end
  end
end
check_indirection(expr, var, *) click to toggle source
# File lib/adlint/exam/c_builtin/cc1_check.rb, line 558
def check_indirection(expr, var, *)
  if constant_expression?(expr.operand)
    val = var.value
    if val.scalar? && val.test_must_be_null.true?
      W(expr.location)
    end
  end
end
check_member_access(expr, outer_var, *) click to toggle source
# File lib/adlint/exam/c_builtin/cc1_check.rb, line 567
def check_member_access(expr, outer_var, *)
  return unless outer_var.type.pointer?
  if constant_expression?(expr.expression)
    val = outer_var.value
    if val.scalar? && val.test_must_be_null.true?
      W(expr.location)
    end
  end
end
interpreter() click to toggle source
# File lib/adlint/exam/c_builtin/cc1_check.rb, line 587
def interpreter
  @interp
end