class AdLint::Exam::CBuiltin::W0117

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 3059
def initialize(phase_ctxt)
  super
  interp = phase_ctxt[:cc1_interpreter]
  interp.on_explicit_function_declared += M(:declare_function)
  interp.on_variable_declared          += M(:declare_variable)
  interp.on_explicit_function_defined  += T(:check_function)
  interp.on_variable_defined           += T(:check_variable)
  @target_fpath  = phase_ctxt[:sources].first.fpath
  @external_syms = Set.new
end

Private Instance Methods

check_function(fun_def, fun) click to toggle source
# File lib/adlint/exam/c_builtin/cc1_check.rb, line 3083
def check_function(fun_def, fun)
  if fun.named? && fun.declared_as_extern?
    return if fun.name == "main"

    unless @external_syms.include?(fun.name)
      if fun_def.location.fpath == @target_fpath
        W(fun_def.location, fun.name)
      end
    end
  end
end
check_variable(var_def, var) click to toggle source
# File lib/adlint/exam/c_builtin/cc1_check.rb, line 3095
def check_variable(var_def, var)
  if var.named? && var.declared_as_extern?
    unless @external_syms.include?(var.name)
      if var_def.location.fpath == @target_fpath
        W(var_def.location, var.name)
      end
    end
  end
end
declare_function(*, fun) click to toggle source
# File lib/adlint/exam/c_builtin/cc1_check.rb, line 3071
def declare_function(*, fun)
  if fun.named? && fun.declared_as_extern?
    @external_syms.add(fun.name)
  end
end
declare_variable(*, var) click to toggle source
# File lib/adlint/exam/c_builtin/cc1_check.rb, line 3077
def declare_variable(*, var)
  if var.named? && var.declared_as_extern?
    @external_syms.add(var.name)
  end
end