class AdLint::Exam::CBuiltin::W0736

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 17875
def initialize(phase_ctxt)
  super
  interp = phase_ctxt[:cc1_interpreter]
  interp.on_variable_defined       += T(:define_variable)
  interp.on_variable_referred      += T(:refer_variable)
  interp.on_function_started       += T(:enter_function)
  interp.on_function_ended         += T(:leave_function)
  interp.on_translation_unit_ended += M(:check)
  @static_vars = {}
  @functions = []
end

Private Instance Methods

check(*) click to toggle source
# File lib/adlint/exam/c_builtin/cc1_check.rb, line 17906
def check(*)
  @static_vars.each do |var, (var_def, accessors)|
    W(var_def.location, var.name) if accessors.size == 1
  end
end
define_variable(var_def, var) click to toggle source
# File lib/adlint/exam/c_builtin/cc1_check.rb, line 17888
def define_variable(var_def, var)
  return unless @functions.empty?
  @static_vars[var] = [var_def, Set.new] if var.declared_as_static?
end
enter_function(*, fun) click to toggle source
# File lib/adlint/exam/c_builtin/cc1_check.rb, line 17898
def enter_function(*, fun)
  @functions.push(fun)
end
leave_function(*) click to toggle source
# File lib/adlint/exam/c_builtin/cc1_check.rb, line 17902
def leave_function(*)
  @functions.pop
end
refer_variable(*, var) click to toggle source
# File lib/adlint/exam/c_builtin/cc1_check.rb, line 17893
def refer_variable(*, var)
  return if @functions.empty?
  @static_vars[var].last.add(@functions.last) if @static_vars.include?(var)
end