TAO/TAO_IDL/include/fe_utils.h

   1 #ifndef FE_UTILS_H
   2 #define FE_UTILS_H
   3
   4 #include "ace/Unbounded_Queue.h"
   5
   6 #include "ast_decl.h"
   7 #include "ast_expression.h"
   8 #include "ast_predefined_type.h"
   9
  10 class UTL_StrList;
  11 class UTL_IdList;
  12 typedef UTL_IdList UTL_ScopedName;
  13 class UTL_NameList;
  14 class AST_PortType;
  15 class AST_Enum;
  16 class AST_Component;
  17 class AST_Uses;
  18 class AST_Template_Module;
  19
  20 struct TAO_IDL_FE_Export FE_Utils
  21 {
  22   struct T_Param_Info
  23   {
  24     AST_Decl::NodeType type_;
  25     AST_Expression::ExprType const_type_;
  26     AST_Enum *enum_const_type_decl_;
  27     ACE_CString name_;
  28     ACE_CString seq_param_ref_;
  29
  30     T_Param_Info ();
  31   };
  32
  33   typedef ACE_Unbounded_Queue<T_Param_Info> T_PARAMLIST_INFO;
  34
  35   static bool duplicate_param_id (T_PARAMLIST_INFO *params);
  36
  37   struct T_ARGLIST : ACE_Unbounded_Queue<AST_Decl *>
  38   {
  39     void destroy ();
  40   };
  41
  42   /// Convert from a predefined type to an expression type.
  43   static AST_Expression::ExprType
  44   PredefinedTypeToExprType (AST_PredefinedType::PredefinedType);
  45
  46   /// Convert from an expression type to a predefined type.
  47   static AST_PredefinedType::PredefinedType
  48   ExprTypeToPredefinedType (AST_Expression::ExprType);
  49
  50   /// Parses a string with double colons. Caller owns return
  51   /// value.
  52   static UTL_ScopedName *
  53   string_to_scoped_name (const char *s);
  54
  55   /// Takes an #include filename generated by the preprocessor, and
  56   /// strips off any command line -I prefix that may have been
  57   /// prepended.
  58   static const char *
  59   stripped_preproc_include (const char *name);
  60
  61   /// We must do this in the front end since the executor
  62   /// mapping IDL will have these data types.
  63   static void
  64   create_uses_multiple_stuff (AST_Component *c,
  65                               AST_Uses *u,
  66                               const char *prefix = "");
  67
  68   /// For the executor IDL file, when a pragma ciao ami receptacle
  69   /// name is multiplex.
  70   static void
  71   create_implied_ami_uses_stuff ();
  72
  73   /// Case insensitive for Windows, otherwise not.
  74   static int
  75   path_cmp (const char *s, const char *t);
  76
  77   /// To tell if we have to handle a Windows path with spaces.
  78   static bool
  79   hasspace (const char *s);
  80
  81   /// Check if 'param' is a sequence of a previous param, and if
  82   /// so, if the previous param exists.
  83   static ACE_CString
  84   check_for_seq_of_param (FE_Utils::T_PARAMLIST_INFO *list);
  85
  86   /// Attempt to open file for reading until it is found in one of the
  87   /// supplied include paths.  If the file was successfully opened, the
  88   /// directory within which it was found is returned as well.
  89   static FILE *
  90   open_included_file (char const * filename,
  91                       char const *& directory);
  92
  93   static bool
  94   is_include_file_found (ACE_CString & inc_file,
  95                          UTL_String * idl_file_name);
  96
  97   /// Validate the included idl files, somefiles might have been
  98   /// ignored by the preprocessor.
  99   static void
 100   validate_included_idl_files ();
 101
 102   /// Check if included file is in TAO specific include dirs.
 103   static bool
 104   validate_orb_include (UTL_String *);
 105
 106   /// Strips _cxx_ prefix for use in port names.
 107   static void
 108   original_local_name (Identifier *local_name);
 109
 110   /// Types, constants and exceptions can be redefined in
 111   /// derived interfaces, modules may be reopened, forward
 112   /// declarations may be repeated, etc.
 113   static bool
 114   can_be_redefined (AST_Decl *prev_dec,
 115                     AST_Decl *curr_decl);
 116
 117   /// Called any time there is a possible error from
 118   /// referencing a decl contained in a template module,
 119   /// but not via an alias.
 120   static void
 121   tmpl_mod_ref_check (AST_Decl *context,
 122                       AST_Decl *ref);
 123
 124 private:
 125   static bool
 126   check_one_seq_of_param (FE_Utils::T_PARAMLIST_INFO *list,
 127                           ACE_CString &param_id,
 128                           size_t index);
 129
 130   static AST_Template_Module *
 131   get_tm_container (AST_Decl *contained);
 132 };
 133
 134 #endif /* FE_UTILS_H */
 135