code: def p_constant_declaration(p):
      'constant_declaration : STRING EQUALS static_scalar'
      p[0] = ast.ConstantDeclaration(p[1], p[3], lineno=p.lineno(1)f p_constant_declaration(p):
      'constant_declaration : STRING EQUALS static_scalar'
      p[0] = ast.ConstantDeclaration(p[1], p[3], lineno=p.lineno(1))
docs: constant_declaration : STRING EQUALS static_scalar