Class: Collie::Linter::Rules::DuplicateToken

Inherits:
Base
  • Object
show all
Defined in:
lib/collie/linter/rules/duplicate_token.rb

Overview

Detects tokens defined multiple times

Instance Method Summary collapse

Methods inherited from Base

#autocorrectable?, #initialize

Constructor Details

This class inherits a constructor from Collie::Linter::Base

Instance Method Details

#check(ast, _context = {}) ⇒ Object 



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# File 'lib/collie/linter/rules/duplicate_token.rb', line 15

def check(ast, _context = {})
  seen = {}

  ast.declarations.each do |decl|
    next unless decl.is_a?(AST::TokenDeclaration)

    decl.names.each do |name|
      if seen[name]
        add_offense(decl,
                    message: "Token '#{name}' already defined at #{seen[name]}")
      else
        seen[name] = decl.location
      end
    end
  end

  @offenses
end