diff options
Diffstat (limited to 'gcc/ada/types.ads')
| -rw-r--r-- | gcc/ada/types.ads | 71 |
1 files changed, 36 insertions, 35 deletions
diff --git a/gcc/ada/types.ads b/gcc/ada/types.ads index 65731227c65..a93dbb47054 100644 --- a/gcc/ada/types.ads +++ b/gcc/ada/types.ads @@ -6,7 +6,7 @@ -- -- -- S p e c -- -- -- --- Copyright (C) 1992-2002 Free Software Foundation, Inc. -- +-- Copyright (C) 1992-2003 Free Software Foundation, Inc. -- -- -- -- GNAT is free software; you can redistribute it and/or modify it under -- -- terms of the GNU General Public License as published by the Free Soft- -- @@ -168,8 +168,8 @@ pragma Preelaborate (Types); type Column_Number is range 0 .. 32767; for Column_Number'Size use 16; - -- Column number (assume that 2**15 is large enough, see declaration - -- of Hostparm.Max_Line_Length) + -- Column number (assume that 2**15 is large enough, see declaration of + -- Hostparm.Max_Line_Length, and also processing for -gnatyM in Stylesw) No_Column_Number : constant Column_Number := 0; -- Special value used to indicate no column number @@ -200,7 +200,10 @@ pragma Preelaborate (Types); -- are allowed to accommodate the following special values. No_Location : constant Source_Ptr := -1; - -- Value used to indicate no source position set in a node + -- Value used to indicate no source position set in a node. A test for + -- a Source_Ptr value being >= No_Location is the apporoved way to test + -- for a standard value that does not include No_Location or any of the + -- following special definitions. Standard_Location : constant Source_Ptr := -2; -- Used for all nodes in the representation of package Standard other @@ -211,6 +214,10 @@ pragma Preelaborate (Types); Standard_ASCII_Location : constant Source_Ptr := -3; -- Used for all nodes in the presentation of package Standard.ASCII + System_Location : constant Source_Ptr := -4; + -- Used to identify locations of pragmas scanned by Targparm, where we + -- know the location is in System, but we don't know exactly what line. + First_Source_Ptr : constant Source_Ptr := 0; -- Starting source pointer index value for first source program @@ -446,7 +453,7 @@ pragma Preelaborate (Types); No_List : constant List_Id := List_High_Bound; -- Used to indicate absence of a list. Note that the value is zero, which - -- is the same as Empty, which is helpful in initializing nodes where a + -- is the same as Empty, which is helpful in intializing nodes where a -- value of zero can represent either an empty node or an empty list. Error_List : constant List_Id := List_Low_Bound; @@ -568,10 +575,6 @@ pragma Preelaborate (Types); No_Source_File : constant Source_File_Index := 0; -- Value used to indicate no source file present - System_Source_File_Index : constant Source_File_Index := 1; - -- Value used for source file table entry for system.ads, which is - -- always the first source file read (see unit Targparm for details). - subtype File_Name_Type is Name_Id; -- File names are stored in the names table and this synonym is used to -- indicate that a Name_Id value is being used to hold a simple file @@ -665,35 +668,35 @@ pragma Preelaborate (Types); -- Types used for Pragma Suppress Management -- ----------------------------------------------- + type Check_Id is ( + Access_Check, + Accessibility_Check, + Discriminant_Check, + Division_Check, + Elaboration_Check, + Index_Check, + Length_Check, + Overflow_Check, + Range_Check, + Storage_Check, + Tag_Check, + All_Checks); + -- The following record contains an entry for each recognized check name -- for pragma Suppress. It is used to represent current settings of scope -- based suppress actions from pragma Suppress or command line settings. - type Suppress_Record is record - Access_Checks : Boolean; - Accessibility_Checks : Boolean; - Discriminant_Checks : Boolean; - Division_Checks : Boolean; - Elaboration_Checks : Boolean; - Index_Checks : Boolean; - Length_Checks : Boolean; - Overflow_Checks : Boolean; - Range_Checks : Boolean; - Storage_Checks : Boolean; - Tag_Checks : Boolean; - end record; + type Suppress_Array is + array (Check_Id range Access_Check .. Tag_Check) of Boolean; + pragma Pack (Suppress_Array); -- To add a new check type to GNAT, the following steps are required: - -- 1. Add an appropriate entry to the above record type - -- 2. Add an entry to Snames spec and body for the new name - -- 3. Add an entry to the definition of Check_Id in the Snames spec - -- 4. Add a new entity flag definition in Einfo for the check - -- 5. Add a new function to Sem.Util to handle the new check test - -- 6. Add appropriate processing for pragma Suppress in Sem.Prag - -- 7. Add a branch to the case statement in Sem.Ch8.Pop_Scope - -- 8. Add a new Do_xxx_Check flag to Sinfo (if required) - -- 9. Add appropriate checks for the new test + -- 1. Add an entry to Snames spec and body for the new name + -- 2. Add an entry to the definition of Check_Id above + -- 3. Add a new function to Checks to handle the new check test + -- 4. Add a new Do_xxx_Check flag to Sinfo (if required) + -- 5. Add appropriate checks for the new test ----------------------------------- -- Global Exception Declarations -- @@ -745,14 +748,12 @@ pragma Preelaborate (Types); -- 1. Modify the type and subtype declarations below appropriately, -- keeping things in alphabetical order. - -- 2. Modify the corresponding definitions in a-types.h, including + -- 2. Modify the corresponding definitions in types.h, including -- the definition of last_reason_code. -- 3. Add a new routine in Ada.Exceptions with the appropriate call -- and static string constant - -- 4. Initialize the new entry in raise_decls - type RT_Exception_Code is ( CE_Access_Check_Failed, CE_Access_Parameter_Is_Null, @@ -773,9 +774,9 @@ pragma Preelaborate (Types); PE_Duplicated_Entry_Address, PE_Explicit_Raise, PE_Finalize_Raised_Exception, - PE_Invalid_Data, PE_Misaligned_Address_Value, PE_Missing_Return, + PE_Overlaid_Controlled_Object, PE_Potentially_Blocking_Operation, PE_Stubbed_Subprogram_Called, PE_Unchecked_Union_Restriction, |
