Class: XRay::JS::Rule::NoGlobalRule

Inherits:
Object
  • Object
show all
Defined in:
lib/js/rule/no_global.rb

Instance Method Summary collapse

Instance Method Details

#visit_expr_assignment(expr) ⇒ Object 



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# File 'lib/js/rule/no_global.rb', line 45

def visit_expr_assignment(expr)
  if expr.type == '='
    id = find_assignment_id(expr.left)

    if id && use_id_global?(id.text)
      ['禁止使用未定义的变量(或全局变量)', :error] 
    end
  end
end

#visit_function_declaration(fun) ⇒ Object 



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# File 'lib/js/rule/no_global.rb', line 40

def visit_function_declaration(fun)
  @scope_index -= 1
  nil
end

#visit_function_name(name) ⇒ Object 



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# File 'lib/js/rule/no_global.rb', line 21

def visit_function_name(name)
  current_scope << name.text 
  ['不允许申明全局函数', :error] if @scope_index == 0
end

#visit_function_parameters(params) ⇒ Object 



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# File 'lib/js/rule/no_global.rb', line 26

def visit_function_parameters(params)
  @scope_index = (@scope_index || 0) + 1
  scope = current_scope(true)
  params.each do |param|
    scope << param.text
  end
  nil
end

#visit_stat_for(stat) ⇒ Object 



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# File 'lib/js/rule/no_global.rb', line 35

def visit_stat_for(stat)
  first = stat.condition.first
  nil
end

#visit_stat_var(stat) ⇒ Object 



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# File 'lib/js/rule/no_global.rb', line 9

def visit_stat_var(stat)
  unless @scope_index > 0
    ['不允许使用全局变量', :error] 
  end
end

#visit_stat_var_declaration(dec) ⇒ Object 



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# File 'lib/js/rule/no_global.rb', line 15

def visit_stat_var_declaration(dec)
  scope = current_scope
  scope << dec.left.text
  nil
end