class AdLint::Exam::CBuiltin::W0572

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 13312
def initialize(phase_ctxt)
  super
  interp = phase_ctxt[:cc1_interpreter]
  interp.on_shift_expr_evaled            += T(:check_shift)
  interp.on_and_expr_evaled              += T(:check_binary)
  interp.on_inclusive_or_expr_evaled     += T(:check_binary)
  interp.on_exclusive_or_expr_evaled     += T(:check_binary)
  interp.on_unary_arithmetic_expr_evaled += T(:check_unary)
end

Private Instance Methods

check_binary(expr, lhs_var, rhs_var, *) click to toggle source
# File lib/adlint/exam/c_builtin/cc1_check.rb, line 13329
def check_binary(expr, lhs_var, rhs_var, *)
  if lhs_var.type.scalar? && lhs_var.type.signed?
    W(expr.location)
    return
  end

  if rhs_var.type.scalar? && rhs_var.type.signed?
    W(expr.location)
    return
  end
end
check_shift(expr, lhs_var, *) click to toggle source
# File lib/adlint/exam/c_builtin/cc1_check.rb, line 13323
def check_shift(expr, lhs_var, *)
  if lhs_var.type.scalar? && lhs_var.type.signed?
    W(expr.location)
  end
end
check_unary(expr, var, *) click to toggle source
# File lib/adlint/exam/c_builtin/cc1_check.rb, line 13341
def check_unary(expr, var, *)
  return unless expr.operator.type == "~"
  if var.type.scalar? && var.type.signed?
    W(expr.location)
  end
end