diff options
Diffstat (limited to 'gcc-4.9/gcc/ada/impunit.adb')
| -rw-r--r-- | gcc-4.9/gcc/ada/impunit.adb | 958 |
1 files changed, 958 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/ada/impunit.adb b/gcc-4.9/gcc/ada/impunit.adb new file mode 100644 index 000000000..6b6b45feb --- /dev/null +++ b/gcc-4.9/gcc/ada/impunit.adb @@ -0,0 +1,958 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT COMPILER COMPONENTS -- +-- -- +-- I M P U N I T -- +-- -- +-- B o d y -- +-- -- +-- Copyright (C) 2000-2013, 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- -- +-- ware Foundation; either version 3, or (at your option) any later ver- -- +-- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- +-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- +-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -- +-- for more details. You should have received a copy of the GNU General -- +-- Public License distributed with GNAT; see file COPYING3. If not, go to -- +-- http://www.gnu.org/licenses for a complete copy of the license. -- +-- -- +-- GNAT was originally developed by the GNAT team at New York University. -- +-- Extensive contributions were provided by Ada Core Technologies Inc. -- +-- -- +------------------------------------------------------------------------------ + +with Atree; use Atree; +with Errout; use Errout; +with Sinfo; use Sinfo; +with Fname.UF; use Fname.UF; +with Lib; use Lib; +with Namet; use Namet; +with Opt; use Opt; +with Uname; use Uname; + +-- Note: this package body is used by GPS and GNATBench to supply a list of +-- entries for help on available library routines. + +package body Impunit is + + subtype File_Name_8 is String (1 .. 8); + + type File_Name_Record is record + Fname : File_Name_8; + -- 8 character name of unit + + RMdef : Boolean; + -- True if unit is RM defined. False for any unit that is implementation + -- defined (and thus not with'able in No_Implementation_Units mode). + end record; + + type File_List is array (Nat range <>) of File_Name_Record; + + T : constant Boolean := True; + F : constant Boolean := False; + -- Short hand for RM_Defined values in lists below + + ------------------ + -- Ada 95 Units -- + ------------------ + + -- The following is a giant string list containing the names of all non- + -- implementation internal files, i.e. the complete list of files for + -- internal units which a program may legitimately WITH when operating in + -- either Ada 95 or Ada 2005 mode. + + -- Note that this list should match the list of units documented in the + -- "GNAT Library" section of the GNAT Reference Manual. A unit listed here + -- must either be documented in that section or described in the Ada RM. + + Non_Imp_File_Names_95 : constant File_List := ( + + ------------------------------------------------------ + -- Ada Hierarchy Units from Ada-95 Reference Manual -- + ------------------------------------------------------ + + ("a-astaco", T), -- Ada.Asynchronous_Task_Control + ("a-calend", T), -- Ada.Calendar + ("a-chahan", T), -- Ada.Characters.Handling + ("a-charac", T), -- Ada.Characters + ("a-chlat1", T), -- Ada.Characters.Latin_1 + ("a-comlin", T), -- Ada.Command_Line + ("a-decima", T), -- Ada.Decimal + ("a-direio", T), -- Ada.Direct_IO + ("a-dynpri", T), -- Ada.Dynamic_Priorities + ("a-except", T), -- Ada.Exceptions + ("a-finali", T), -- Ada.Finalization + ("a-flteio", T), -- Ada.Float_Text_IO + ("a-fwteio", T), -- Ada.Float_Wide_Text_IO + ("a-inteio", T), -- Ada.Integer_Text_IO + ("a-interr", T), -- Ada.Interrupts + ("a-intnam", T), -- Ada.Interrupts.Names + ("a-ioexce", T), -- Ada.IO_Exceptions + ("a-iwteio", T), -- Ada.Integer_Wide_Text_IO + ("a-ncelfu", T), -- Ada.Numerics.Complex_Elementary_Functions + ("a-ngcefu", T), -- Ada.Numerics.Generic_Complex_Elementary_Functions + ("a-ngcoty", T), -- Ada.Numerics.Generic_Complex_Types + ("a-ngelfu", T), -- Ada.Numerics.Generic_Elementary_Functions + ("a-nucoty", T), -- Ada.Numerics.Complex_Types + ("a-nudira", T), -- Ada.Numerics.Discrete_Random + ("a-nuelfu", T), -- Ada.Numerics.Elementary_Functions + ("a-nuflra", T), -- Ada.Numerics.Float_Random + ("a-numeri", T), -- Ada.Numerics + ("a-reatim", T), -- Ada.Real_Time + ("a-sequio", T), -- Ada.Sequential_IO + ("a-stmaco", T), -- Ada.Strings.Maps.Constants + ("a-storio", T), -- Ada.Storage_IO + ("a-strbou", T), -- Ada.Strings.Bounded + ("a-stream", T), -- Ada.Streams + ("a-strfix", T), -- Ada.Strings.Fixed + ("a-string", T), -- Ada.Strings + ("a-strmap", T), -- Ada.Strings.Maps + ("a-strunb", T), -- Ada.Strings.Unbounded + ("a-ststio", T), -- Ada.Streams.Stream_IO + ("a-stwibo", T), -- Ada.Strings.Wide_Bounded + ("a-stwifi", T), -- Ada.Strings.Wide_Fixed + ("a-stwima", T), -- Ada.Strings.Wide_Maps + ("a-stwiun", T), -- Ada.Strings.Wide_Unbounded + ("a-swmwco", T), -- Ada.Strings.Wide_Maps.Wide_Constants + ("a-sytaco", T), -- Ada.Synchronous_Task_Control + ("a-tags ", T), -- Ada.Tags + ("a-tasatt", T), -- Ada.Task_Attributes + ("a-taside", T), -- Ada.Task_Identification + ("a-teioed", T), -- Ada.Text_IO.Editing + ("a-textio", T), -- Ada.Text_IO + ("a-ticoio", T), -- Ada.Text_IO.Complex_IO + ("a-titest", T), -- Ada.Text_IO.Text_Streams + ("a-unccon", T), -- Ada.Unchecked_Conversion + ("a-uncdea", T), -- Ada.Unchecked_Deallocation + ("a-witeio", T), -- Ada.Wide_Text_IO + ("a-wtcoio", T), -- Ada.Wide_Text_IO.Complex_IO + ("a-wtedit", T), -- Ada.Wide_Text_IO.Editing + ("a-wttest", T), -- Ada.Wide_Text_IO.Text_Streams + + ------------------------------------------------- + -- RM Required Additions to Ada for GNAT Types -- + ------------------------------------------------- + + -- Note: Long versions are considered RM defined, but not the Long Long, + -- Short, or Short_Short versions. + + ("a-lfteio", T), -- Ada.Long_Float_Text_IO + ("a-lfwtio", T), -- Ada.Long_Float_Wide_Text_IO + ("a-liteio", T), -- Ada.Long_Integer_Text_IO + ("a-liwtio", T), -- Ada.Long_Integer_Wide_Text_IO + ("a-llftio", T), -- Ada.Long_Long_Float_Text_IO + ("a-llfwti", T), -- Ada.Long_Long_Float_Wide_Text_IO + ("a-llitio", T), -- Ada.Long_Long_Integer_Text_IO + ("a-lliwti", F), -- Ada.Long_Long_Integer_Wide_Text_IO + ("a-nlcefu", F), -- Ada.Long_Complex_Elementary_Functions + ("a-nlcoty", T), -- Ada.Numerics.Long_Complex_Types + ("a-nlelfu", T), -- Ada.Numerics.Long_Elementary_Functions + ("a-nllcef", F), -- Ada.Long_Long_Complex_Elementary_Functions + ("a-nllefu", F), -- Ada.Numerics.Long_Long_Elementary_Functions + ("a-nllcty", F), -- Ada.Numerics.Long_Long_Complex_Types + ("a-nscefu", F), -- Ada.Short_Complex_Elementary_Functions + ("a-nscoty", F), -- Ada.Numerics.Short_Complex_Types + ("a-nselfu", F), -- Ada.Numerics.Short_Elementary_Functions + ("a-sfteio", F), -- Ada.Short_Float_Text_IO + ("a-sfwtio", F), -- Ada.Short_Float_Wide_Text_IO + ("a-siteio", F), -- Ada.Short_Integer_Text_IO + ("a-siwtio", F), -- Ada.Short_Integer_Wide_Text_IO + ("a-ssitio", F), -- Ada.Short_Short_Integer_Text_IO + ("a-ssiwti", F), -- Ada.Short_Short_Integer_Wide_Text_IO + + ----------------------------------- + -- GNAT Defined Additions to Ada -- + ----------------------------------- + + ("a-calcon", F), -- Ada.Calendar.Conversions + ("a-chlat9", F), -- Ada.Characters.Latin_9 + ("a-clrefi", F), -- Ada.Command_Line.Response_File + ("a-colien", F), -- Ada.Command_Line.Environment + ("a-colire", F), -- Ada.Command_Line.Remove + ("a-cwila1", F), -- Ada.Characters.Wide_Latin_1 + ("a-cwila9", F), -- Ada.Characters.Wide_Latin_9 + ("a-diocst", F), -- Ada.Direct_IO.C_Streams + ("a-einuoc", F), -- Ada.Exceptions.Is_Null_Occurrence + ("a-elchha", F), -- Ada.Exceptions.Last_Chance_Handler + ("a-exctra", F), -- Ada.Exceptions.Traceback + ("a-siocst", F), -- Ada.Sequential_IO.C_Streams + ("a-ssicst", F), -- Ada.Streams.Stream_IO.C_Streams + ("a-suteio", F), -- Ada.Strings.Unbounded.Text_IO + ("a-swuwti", F), -- Ada.Strings.Wide_Unbounded.Wide_Text_IO + ("a-tiocst", F), -- Ada.Text_IO.C_Streams + ("a-wtcstr", F), -- Ada.Wide_Text_IO.C_Streams + + -- Note: strictly the next two should be Ada 2005 units, but it seems + -- harmless (and useful) to make then available in Ada 95 mode, since + -- they only deal with Wide_Character, not Wide_Wide_Character. + + ("a-wichun", F), -- Ada.Wide_Characters.Unicode + ("a-widcha", F), -- Ada.Wide_Characters + + -- Note: strictly the following should be Ada 2012 units, but it seems + -- harmless (and useful) to make then available in Ada 95 mode, since + -- they do not deal with Wide_Wide_Character. + + ("a-wichha", F), -- Ada.Wide_Characters.Handling + ("a-stuten", F), -- Ada.Strings.UTF_Encoding + ("a-suenco", F), -- Ada.Strings.UTF_Encoding.Conversions + ("a-suenst", F), -- Ada.Strings.UTF_Encoding.Strings + ("a-suewst", F), -- Ada.Strings.UTF_Encoding.Wide_Strings + + --------------------------- + -- GNAT Special IO Units -- + --------------------------- + + -- As further explained elsewhere (see Sem_Ch10), the internal packages of + -- Text_IO and Wide_Text_IO are actually implemented as separate children, + -- but this fact is intended to be hidden from the user completely. Any + -- attempt to WITH one of these units will be diagnosed as an error later + -- on, but for now we do not consider these internal implementation units + -- (if we did, then we would get a junk warning which would be confusing + -- and unnecessary, given that we generate a clear error message). + + ("a-tideio", F), -- Ada.Text_IO.Decimal_IO + ("a-tienio", F), -- Ada.Text_IO.Enumeration_IO + ("a-tifiio", F), -- Ada.Text_IO.Fixed_IO + ("a-tiflio", F), -- Ada.Text_IO.Float_IO + ("a-tiinio", F), -- Ada.Text_IO.Integer_IO + ("a-tiinio", F), -- Ada.Text_IO.Integer_IO + ("a-timoio", F), -- Ada.Text_IO.Modular_IO + ("a-wtdeio", F), -- Ada.Wide_Text_IO.Decimal_IO + ("a-wtenio", F), -- Ada.Wide_Text_IO.Enumeration_IO + ("a-wtfiio", F), -- Ada.Wide_Text_IO.Fixed_IO + ("a-wtflio", F), -- Ada.Wide_Text_IO.Float_IO + ("a-wtinio", F), -- Ada.Wide_Text_IO.Integer_IO + ("a-wtmoio", F), -- Ada.Wide_Text_IO.Modular_IO + + ------------------------ + -- GNAT Library Units -- + ------------------------ + + ("g-altive", F), -- GNAT.Altivec + ("g-altcon", F), -- GNAT.Altivec.Conversions + ("g-alveop", F), -- GNAT.Altivec.Vector_Operations + ("g-alvety", F), -- GNAT.Altivec.Vector_Types + ("g-alvevi", F), -- GNAT.Altivec.Vector_Views + ("g-arrspl", F), -- GNAT.Array_Split + ("g-awk ", F), -- GNAT.AWK + ("g-boubuf", F), -- GNAT.Bounded_Buffers + ("g-boumai", F), -- GNAT.Bounded_Mailboxes + ("g-bubsor", F), -- GNAT.Bubble_Sort + ("g-busora", F), -- GNAT.Bubble_Sort_A + ("g-busorg", F), -- GNAT.Bubble_Sort_G + ("g-byorma", F), -- GNAT.Byte_Order_Mark + ("g-bytswa", F), -- GNAT.Byte_Swapping + ("g-calend", F), -- GNAT.Calendar + ("g-catiio", F), -- GNAT.Calendar.Time_IO + ("g-casuti", F), -- GNAT.Case_Util + ("g-cgi ", F), -- GNAT.CGI + ("g-cgicoo", F), -- GNAT.CGI.Cookie + ("g-cgideb", F), -- GNAT.CGI.Debug + ("g-comlin", F), -- GNAT.Command_Line + ("g-comver", F), -- GNAT.Compiler_Version + ("g-cppexc", F), -- GNAT.CPP_Exceptions + ("g-crc32 ", F), -- GNAT.CRC32 + ("g-ctrl_c", F), -- GNAT.Ctrl_C + ("g-curexc", F), -- GNAT.Current_Exception + ("g-debpoo", F), -- GNAT.Debug_Pools + ("g-debuti", F), -- GNAT.Debug_Utilities + ("g-decstr", F), -- GNAT.Decode_String + ("g-deutst", F), -- GNAT.Decode_UTF8_String + ("g-dirope", F), -- GNAT.Directory_Operations + ("g-diopit", F), -- GNAT.Directory_Operations.Iteration + ("g-dynhta", F), -- GNAT.Dynamic_HTables + ("g-dyntab", F), -- GNAT.Dynamic_Tables + ("g-encstr", F), -- GNAT.Encode_String + ("g-enutst", F), -- GNAT.Encode_UTF8_String + ("g-excact", F), -- GNAT.Exception_Actions + ("g-except", F), -- GNAT.Exceptions + ("g-exctra", F), -- GNAT.Exception_Traces + ("g-expect", F), -- GNAT.Expect + ("g-exptty", F), -- GNAT.Expect.TTY + ("g-flocon", F), -- GNAT.Float_Control + ("g-heasor", F), -- GNAT.Heap_Sort + ("g-hesora", F), -- GNAT.Heap_Sort_A + ("g-hesorg", F), -- GNAT.Heap_Sort_G + ("g-htable", F), -- GNAT.Htable + ("g-io ", F), -- GNAT.IO + ("g-io_aux", F), -- GNAT.IO_Aux + ("g-locfil", F), -- GNAT.Lock_Files + ("g-mbdira", F), -- GNAT.MBBS_Discrete_Random + ("g-mbflra", F), -- GNAT.MBBS_Float_Random + ("g-md5 ", F), -- GNAT.MD5 + ("g-memdum", F), -- GNAT.Memory_Dump + ("g-moreex", F), -- GNAT.Most_Recent_Exception + ("g-os_lib", F), -- GNAT.Os_Lib + ("g-pehage", F), -- GNAT.Perfect_Hash_Generators + ("g-rannum", F), -- GNAT.Random_Numbers + ("g-regexp", F), -- GNAT.Regexp + ("g-regist", F), -- GNAT.Registry + ("g-regpat", F), -- GNAT.Regpat + ("g-semaph", F), -- GNAT.Semaphores + ("g-sercom", F), -- GNAT.Serial_Communications + ("g-sestin", F), -- GNAT.Secondary_Stack_Info + ("g-sha1 ", F), -- GNAT.SHA1 + ("g-sha224", F), -- GNAT.SHA224 + ("g-sha256", F), -- GNAT.SHA256 + ("g-sha384", F), -- GNAT.SHA384 + ("g-sha512", F), -- GNAT.SHA512 + ("g-signal", F), -- GNAT.Signals + ("g-socket", F), -- GNAT.Sockets + ("g-souinf", F), -- GNAT.Source_Info + ("g-speche", F), -- GNAT.Spell_Checker + ("g-spchge", F), -- GNAT.Spell_Checker_Generic + ("g-spitbo", F), -- GNAT.Spitbol + ("g-spipat", F), -- GNAT.Spitbol.Patterns + ("g-sptabo", F), -- GNAT.Spitbol.Table_Boolean + ("g-sptain", F), -- GNAT.Spitbol.Table_Integer + ("g-sptavs", F), -- GNAT.Spitbol.Table_Vstring + ("g-string", F), -- GNAT.Strings + ("g-strspl", F), -- GNAT.String_Split + ("g-sse ", F), -- GNAT.SSE + ("g-ssvety", F), -- GNAT.SSE.Vector_Types + ("g-table ", F), -- GNAT.Table + ("g-tasloc", F), -- GNAT.Task_Lock + ("g-tastus", F), -- GNAT.Task_Stack_Usage + ("g-thread", F), -- GNAT.Threads + ("g-timsta", F), -- GNAT.Time_Stamp + ("g-traceb", F), -- GNAT.Traceback + ("g-trasym", F), -- GNAT.Traceback.Symbolic + ("g-tty ", F), -- GNAT.TTY + ("g-utf_32", F), -- GNAT.UTF_32 + ("g-u3spch", F), -- GNAT.UTF_32_Spelling_Checker + ("g-wispch", F), -- GNAT.Wide_Spelling_Checker + ("g-wistsp", F), -- GNAT.Wide_String_Split + + ----------------------------------------------------- + -- Interface Hierarchy Units from Reference Manual -- + ----------------------------------------------------- + + ("i-c ", T), -- Interfaces.C + ("i-cobol ", T), -- Interfaces.Cobol + ("i-cpoint", T), -- Interfaces.C.Pointers + ("i-cstrin", T), -- Interfaces.C.Strings + ("i-fortra", T), -- Interfaces.Fortran + + ------------------------------------------ + -- GNAT Defined Additions to Interfaces -- + ------------------------------------------ + + ("i-cexten", F), -- Interfaces.C.Extensions + ("i-cil ", F), -- Interfaces.CIL + ("i-cilobj", F), -- Interfaces.CIL.Object + ("i-cpp ", F), -- Interfaces.CPP + ("i-cstrea", F), -- Interfaces.C.Streams + ("i-java ", F), -- Interfaces.Java + ("i-javjni", F), -- Interfaces.Java.JNI + ("i-pacdec", F), -- Interfaces.Packed_Decimal + ("i-vxwoio", F), -- Interfaces.VxWorks.IO + ("i-vxwork", F), -- Interfaces.VxWorks + + -------------------------------------------------- + -- System Hierarchy Units from Reference Manual -- + -------------------------------------------------- + + ("s-atacco", T), -- System.Address_To_Access_Conversions + ("s-maccod", T), -- System.Machine_Code + ("s-rpc ", T), -- System.Rpc + ("s-stoele", T), -- System.Storage_Elements + ("s-stopoo", T), -- System.Storage_Pools + + -------------------------------------- + -- GNAT Defined Additions to System -- + -------------------------------------- + + ("s-addima", F), -- System.Address_Image + ("s-assert", F), -- System.Assertions + ("s-diflio", F), -- System.Dim.Float_IO + ("s-diinio", F), -- System.Dim.Integer_IO + ("s-dimkio", F), -- System.Dim.Mks_IO + ("s-dimmks", F), -- System.Dim.Mks + ("s-dmotpr", F), -- System.Dim.Mks.Other_Prefixes + ("s-memory", F), -- System.Memory + ("s-parint", F), -- System.Partition_Interface + ("s-pooglo", F), -- System.Pool_Global + ("s-pooloc", F), -- System.Pool_Local + ("s-restri", F), -- System.Restrictions + ("s-rident", F), -- System.Rident + ("s-ststop", F), -- System.Strings.Stream_Ops + ("s-tasinf", F), -- System.Task_Info + ("s-wchcnv", F), -- System.Wch_Cnv + ("s-wchcon", F), -- System.Wch_Con + + -- The following are strictly speaking Ada 2012 units, but we are allowed + -- to add children to system, so we consider them to be implementation + -- defined additions to System in earlier versions of Ada. + + ("s-multip", T), -- System.Multiprocessors + ("s-mudido", T)); -- System.Multiprocessors.Dispatching_Domains + + -------------------- + -- Ada 2005 Units -- + -------------------- + + -- The following units should be used only in Ada 05 mode + + Non_Imp_File_Names_05 : constant File_List := ( + + -------------------------------------------------------- + -- Ada Hierarchy Units from Ada 2005 Reference Manual -- + -------------------------------------------------------- + + ("a-assert", T), -- Ada.Assertions + ("a-calari", T), -- Ada.Calendar.Arithmetic + ("a-calfor", T), -- Ada.Calendar.Formatting + ("a-catizo", T), -- Ada.Calendar.Time_Zones + ("a-cdlili", T), -- Ada.Containers.Doubly_Linked_Lists + ("a-cgarso", T), -- Ada.Containers.Generic_Array_Sort + ("a-cgcaso", T), -- Ada.Containers.Generic_Constrained_Array_Sort + ("a-chacon", T), -- Ada.Characters.Conversions + ("a-cidlli", T), -- Ada.Containers.Indefinite_Doubly_Linked_Lists + ("a-cihama", T), -- Ada.Containers.Indefinite_Hashed_Maps + ("a-cihase", T), -- Ada.Containers.Indefinite_Hashed_Sets + ("a-ciorma", T), -- Ada.Containers.Indefinite_Ordered_Maps + ("a-ciorse", T), -- Ada.Containers.Indefinite_Ordered_Sets + ("a-cohama", T), -- Ada.Containers.Hashed_Maps + ("a-cohase", T), -- Ada.Containers.Hashed_Sets + ("a-coinve", T), -- Ada.Containers.Indefinite_Vectors + ("a-contai", T), -- Ada.Containers + ("a-convec", T), -- Ada.Containers.Vectors + ("a-coorma", T), -- Ada.Containers.Ordered_Maps + ("a-coorse", T), -- Ada.Containers.Ordered_Sets + ("a-coteio", T), -- Ada.Complex_Text_IO + ("a-direct", T), -- Ada.Directories + ("a-diroro", T), -- Ada.Dispatching.Round_Robin + ("a-disedf", T), -- Ada.Dispatching.EDF + ("a-dispat", T), -- Ada.Dispatching + ("a-envvar", T), -- Ada.Environment_Variables + ("a-etgrbu", T), -- Ada.Execution_Time.Group_Budgets + ("a-exetim", T), -- Ada.Execution_Time + ("a-extiti", T), -- Ada.Execution_Time.Timers + ("a-izteio", T), -- Ada.Integer_Wide_Wide_Text_IO + ("a-rttiev", T), -- Ada.Real_Time.Timing_Events + ("a-ngcoar", T), -- Ada.Numerics.Generic_Complex_Arrays + ("a-ngrear", T), -- Ada.Numerics.Generic_Real_Arrays + ("a-nucoar", T), -- Ada.Numerics.Complex_Arrays + ("a-nurear", T), -- Ada.Numerics.Real_Arrays + ("a-stboha", T), -- Ada.Strings.Bounded.Hash + ("a-stfiha", T), -- Ada.Strings.Fixed.Hash + ("a-strhas", T), -- Ada.Strings.Hash + ("a-stunha", T), -- Ada.Strings.Unbounded.Hash + ("a-stwiha", T), -- Ada.Strings.Wide_Hash + ("a-stzbou", T), -- Ada.Strings.Wide_Wide_Bounded + ("a-stzfix", T), -- Ada.Strings.Wide_Wide_Fixed + ("a-stzhas", T), -- Ada.Strings.Wide_Wide_Hash + ("a-stzmap", T), -- Ada.Strings.Wide_Wide_Maps + ("a-stzunb", T), -- Ada.Strings.Wide_Wide_Unbounded + ("a-swbwha", T), -- Ada.Strings.Wide_Bounded.Wide_Hash + ("a-swfwha", T), -- Ada.Strings.Wide_Fixed.Wide_Hash + ("a-swuwha", T), -- Ada.Strings.Wide_Unbounded.Wide_Hash + ("a-szbzha", T), -- Ada.Strings.Wide_Wide_Bounded.Wide_Wide_Hash + ("a-szfzha", T), -- Ada.Strings.Wide_Wide_Fixed.Wide_Wide_Hash + ("a-szmzco", T), -- Ada.Strings.Wide_Wide_Maps.Wide_Wide_Constants + ("a-szuzha", T), -- Ada.Strings.Wide_Wide_Unbounded.Wide_Wide_Hash + ("a-taster", T), -- Ada.Task_Termination + ("a-tgdico", T), -- Ada.Tags.Generic_Dispatching_Constructor + ("a-tiboio", T), -- Ada.Text_IO.Bounded_IO + ("a-tiunio", T), -- Ada.Text_IO.Unbounded_IO + ("a-wichun", T), -- Ada.Wide_Characters.Unicode + ("a-wwboio", T), -- Ada.Wide_Text_IO.Wide_Bounded_IO + ("a-wwunio", T), -- Ada.Wide_Text_IO.Wide_Unbounded_IO + ("a-zchara", T), -- Ada.Wide_Wide_Characters + ("a-zchhan", T), -- Ada.Wide_Wide_Characters.Handling + ("a-ztcoio", T), -- Ada.Wide_Wide_Text_IO.Complex_IO + ("a-ztedit", T), -- Ada.Wide_Wide_Text_IO.Editing + ("a-zttest", T), -- Ada.Wide_Wide_Text_IO.Text_Streams + ("a-ztexio", T), -- Ada.Wide_Wide_Text_IO + ("a-zzboio", T), -- Ada.Wide_Wide_Text_IO.Wide_Wide_Bounded_IO + ("a-zzunio", T), -- Ada.Wide_Wide_Text_IO.Wide_Wide_Unbounded_IO + + ------------------------------------------------------ + -- RM Required Additions to Ada 2005 for GNAT Types -- + ------------------------------------------------------ + + -- Note: Long versions are considered RM defined, but not the Long Long, + -- Short, or Short_Short versions. + + ("a-lcteio", T), -- Ada.Long_Complex_Text_IO + ("a-lfztio", T), -- Ada.Long_Float_Wide_Wide_Text_IO + ("a-liztio", T), -- Ada.Long_Integer_Wide_Wide_Text_IO + ("a-llctio", T), -- Ada.Long_Long_Complex_Text_IO + ("a-llfzti", T), -- Ada.Long_Long_Float_Wide_Wide_Text_IO + ("a-llizti", T), -- Ada.Long_Long_Integer_Wide_Wide_Text_IO + ("a-nlcoar", T), -- Ada.Numerics.Long_Complex_Arrays + ("a-nllcar", T), -- Ada.Numerics.Long_Long_Complex_Arrays + ("a-nllrar", T), -- Ada.Numerics.Long_Long_Real_Arrays + ("a-nlrear", T), -- Ada.Numerics.Long_Real_Arrays + ("a-scteio", F), -- Ada.Short_Complex_Text_IO + ("a-sfztio", F), -- Ada.Short_Float_Wide_Wide_Text_IO + ("a-siztio", F), -- Ada.Short_Integer_Wide_Wide_Text_IO + ("a-ssizti", F), -- Ada.Short_Short_Integer_Wide_Wide_Text_IO + + ---------------------------------------- + -- GNAT Defined Additions to Ada 2005 -- + ---------------------------------------- + + ("a-cgaaso", F), -- Ada.Containers.Generic_Anonymous_Array_Sort + ("a-chzla1", F), -- Ada.Characters.Wide_Wide_Latin_1 + ("a-chzla9", F), -- Ada.Characters.Wide_Wide_Latin_9 + ("a-ciormu", F), -- Ada.Containers.Indefinite_Ordered_Multisets + ("a-coormu", F), -- Ada.Containers.Ordered_Multisets + ("a-crdlli", F), -- Ada.Containers.Restricted_Doubly_Linked_Lists + ("a-szuzti", F), -- Ada.Strings.Wide_Wide_Unbounded.Wide_Wide_Text_IO + ("a-zchuni", F), -- Ada.Wide_Wide_Characters.Unicode + ("a-ztcstr", F), -- Ada.Wide_Wide_Text_IO.C_Streams + + -- Note: strictly the following should be Ada 2012 units, but it seems + -- harmless (and useful) to make then available in Ada 2005 mode. + + ("a-cogeso", T), -- Ada.Containers.Generic_Sort + ("a-secain", T), -- Ada.Strings.Equal_Case_Insensitive + ("a-shcain", T), -- Ada.Strings.Hash_Case_Insensitive + ("a-slcain", T), -- Ada.Strings.Less_Case_Insensitive + ("a-sfecin", T), -- Ada.Strings.Fixed.Equal_Case_Insensitive + ("a-sfhcin", T), -- Ada.Strings.Fixed.Hash_Case_Insensitive + ("a-sflcin", T), -- Ada.Strings.Fixed.Less_Case_Insensitive + ("a-sbecin", T), -- Ada.Strings.Bounded.Equal_Case_Insensitive + ("a-sbhcin", T), -- Ada.Strings.Bounded.Hash_Case_Insensitive + ("a-sblcin", T), -- Ada.Strings.Bounded.Less_Case_Insensitive + ("a-suecin", T), -- Ada.Strings.Unbounded.Equal_Case_Insensitive + ("a-suhcin", T), -- Ada.Strings.Unbounded.Hash_Case_Insensitive + ("a-sulcin", T), -- Ada.Strings.Unbounded.Less_Case_Insensitive + ("a-suezst", T), -- Ada.Strings.UTF_Encoding.Wide_Wide_Strings + + --------------------------- + -- GNAT Special IO Units -- + --------------------------- + + -- See Ada 95 section for further information. These packages are for the + -- implementation of the Wide_Wide_Text_IO generic packages. + + ("a-ztdeio", F), -- Ada.Wide_Wide_Text_IO.Decimal_IO + ("a-ztenio", F), -- Ada.Wide_Wide_Text_IO.Enumeration_IO + ("a-ztfiio", F), -- Ada.Wide_Wide_Text_IO.Fixed_IO + ("a-ztflio", F), -- Ada.Wide_Wide_Text_IO.Float_IO + ("a-ztinio", F), -- Ada.Wide_Wide_Text_IO.Integer_IO + ("a-ztmoio", F), -- Ada.Wide_Wide_Text_IO.Modular_IO + + ------------------------ + -- GNAT Library Units -- + ------------------------ + + ("g-zspche", F), -- GNAT.Wide_Wide_Spelling_Checker + ("g-zstspl", F)); -- GNAT.Wide_Wide_String_Split + + -------------------- + -- Ada 2012 Units -- + -------------------- + + -- The following units should be used only in Ada 2012 mode + + Non_Imp_File_Names_12 : constant File_List := ( + ("s-stposu", T), -- System.Storage_Pools.Subpools + ("a-cobove", T), -- Ada.Containers.Bounded_Vectors + ("a-cbdlli", T), -- Ada.Containers.Bounded_Doubly_Linked_Lists + ("a-cborse", T), -- Ada.Containers.Bounded_Ordered_Sets + ("a-cborma", T), -- Ada.Containers.Bounded_Ordered_Maps + ("a-cbhase", T), -- Ada.Containers.Bounded_Hashed_Sets + ("a-cbhama", T), -- Ada.Containers.Bounded_Hashed_Maps + ("a-coinho", T), -- Ada.Containers.Indefinite_Holders + ("a-comutr", T), -- Ada.Containers.Multiway_Trees + ("a-cimutr", T), -- Ada.Containers.Indefinite_Multiway_Trees + ("a-cbmutr", T), -- Ada.Containers.Bounded_Multiway_Trees + ("a-csquin", T), -- Ada.Containers.Synchronized_Queue_Interfaces + ("a-cusyqu", T), -- Ada.Containers.Unbounded_Synchronized_Queues + ("a-cuprqu", T), -- Ada.Containers.Unbounded_Priority_Queues + ("a-cbsyqu", T), -- Ada.Containers.Bounded_Synchronized_Queues + ("a-cbprqu", T), -- Ada.Containers.Bounded_Priority_Queues + ("a-extiin", T), -- Ada.Execution_Time.Interrupts + ("a-iteint", T), -- Ada.Iterator_Interfaces + ("a-locale", T), -- Ada.Locales + ("a-synbar", T), -- Ada.Synchronous_Barriers + ("a-undesu", T), -- Ada.Unchecked_Deallocate_Subpool + + ---------------------------------------- + -- GNAT Defined Additions to Ada 2012 -- + ---------------------------------------- + + ("a-cofove", F), -- Ada.Containers.Formal_Vectors + ("a-cfdlli", F), -- Ada.Containers.Formal_Doubly_Linked_Lists + ("a-cforse", F), -- Ada.Containers.Formal_Ordered_Sets + ("a-cforma", F), -- Ada.Containers.Formal_Ordered_Maps + ("a-cfhase", F), -- Ada.Containers.Formal_Hashed_Sets + ("a-cfhama", F)); -- Ada.Containers.Formal_Hashed_Maps + + ----------------------- + -- Alternative Units -- + ----------------------- + + -- For some implementation units, there is a unit in the GNAT library + -- that has identical functionality that is usable. If we have such a + -- case we record the appropriate Unit name in Error_Msg_String. + + type Aunit_Record is record + Fname : String (1 .. 6); + Aname : String_Ptr; + end record; + + -- Array of alternative unit names + + Scasuti : aliased String := "GNAT.Case_Util"; + Scrc32 : aliased String := "GNAT.CRC32"; + Shtable : aliased String := "GNAT.HTable"; + Sos_lib : aliased String := "GNAT.OS_Lib"; + Sregexp : aliased String := "GNAT.Regexp"; + Sregpat : aliased String := "GNAT.Regpat"; + Sstring : aliased String := "GNAT.Strings"; + Sstusta : aliased String := "GNAT.Task_Stack_Usage"; + Stasloc : aliased String := "GNAT.Task_Lock"; + Sutf_32 : aliased String := "GNAT.UTF_32"; + + -- Array giving mapping + + Map_Array : constant array (1 .. 10) of Aunit_Record := ( + ("casuti", Scasuti'Access), + ("crc32 ", Scrc32 'Access), + ("htable", Shtable'Access), + ("os_lib", Sos_lib'Access), + ("regexp", Sregexp'Access), + ("regpat", Sregpat'Access), + ("string", Sstring'Access), + ("stusta", Sstusta'Access), + ("tasloc", Stasloc'Access), + ("utf_32", Sutf_32'Access)); + + ---------------------- + -- Get_Kind_Of_Unit -- + ---------------------- + + function Get_Kind_Of_Unit (U : Unit_Number_Type) return Kind_Of_Unit is + Fname : constant File_Name_Type := Unit_File_Name (U); + + begin + Error_Msg_Strlen := 0; + Get_Name_String (Fname); + + -- Ada/System/Interfaces are all Ada 95 units + + if (Name_Len = 7 and then Name_Buffer (1 .. 7) = "ada.ads") + or else + (Name_Len = 10 and then Name_Buffer (1 .. 10) = "system.ads") + or else + (Name_Len = 12 and then Name_Buffer (1 .. 12) = "interfac.ads") + then + return Ada_95_Unit; + end if; + + -- If length of file name is greater than 12, not predefined. The value + -- 12 here is an 8 char name with extension .ads. + + if Name_Len > 12 then + return Not_Predefined_Unit; + end if; + + -- Not predefined if file name does not start with a- g- s- i- + + if Name_Len < 3 + or else Name_Buffer (2) /= '-' + or else (Name_Buffer (1) /= 'a' + and then + Name_Buffer (1) /= 'g' + and then + Name_Buffer (1) /= 'i' + and then + Name_Buffer (1) /= 's') + then + return Not_Predefined_Unit; + end if; + + -- To be considered predefined, the file name must end in .ads or .adb. + -- File names with other extensions (coming from the use of non-standard + -- file naming schemes) can never be predefined. + + -- Note that in the context of a compiler, the .adb case will never + -- arise. However it can arise for other tools, e.g. gnatprove uses + -- this routine to detect when a construct comes from an instance of + -- a generic defined in a predefined unit. + + if Name_Buffer (Name_Len - 3 .. Name_Len) /= ".ads" + and then + Name_Buffer (Name_Len - 3 .. Name_Len) /= ".adb" + then + return Not_Predefined_Unit; + end if; + + -- Otherwise normalize file name to 8 characters + + Name_Len := Name_Len - 4; + while Name_Len < 8 loop + Name_Len := Name_Len + 1; + Name_Buffer (Name_Len) := ' '; + end loop; + + -- See if name is in 95 list + + for J in Non_Imp_File_Names_95'Range loop + if Name_Buffer (1 .. 8) = Non_Imp_File_Names_95 (J).Fname then + return Ada_95_Unit; + end if; + end loop; + + -- See if name is in 2005 list + + for J in Non_Imp_File_Names_05'Range loop + if Name_Buffer (1 .. 8) = Non_Imp_File_Names_05 (J).Fname then + return Ada_2005_Unit; + end if; + end loop; + + -- See if name is in 2012 list + + for J in Non_Imp_File_Names_12'Range loop + if Name_Buffer (1 .. 8) = Non_Imp_File_Names_12 (J).Fname then + return Ada_2012_Unit; + end if; + end loop; + + -- Only remaining special possibilities are children of System.RPC and + -- System.Garlic and special files of the form System.Aux... + + Get_Name_String (Unit_Name (U)); + + if Name_Len > 12 + and then Name_Buffer (1 .. 11) = "system.rpc." + then + return Ada_95_Unit; + end if; + + if Name_Len > 15 + and then Name_Buffer (1 .. 14) = "system.garlic." + then + return Ada_95_Unit; + end if; + + if Name_Len > 11 + and then Name_Buffer (1 .. 10) = "system.aux" + then + return Ada_95_Unit; + end if; + + -- All tests failed, this is definitely an implementation unit. See if + -- we have an alternative name. + + Get_Name_String (Fname); + + if Name_Len in 11 .. 12 + and then Name_Buffer (1 .. 2) = "s-" + and then Name_Buffer (Name_Len - 3 .. Name_Len) = ".ads" + then + for J in Map_Array'Range loop + if (Name_Len = 12 and then + Name_Buffer (3 .. 8) = Map_Array (J).Fname) + or else + (Name_Len = 11 and then + Name_Buffer (3 .. 7) = Map_Array (J).Fname (1 .. 5)) + then + Error_Msg_Strlen := Map_Array (J).Aname'Length; + Error_Msg_String (1 .. Error_Msg_Strlen) := + Map_Array (J).Aname.all; + end if; + end loop; + end if; + + return Implementation_Unit; + end Get_Kind_Of_Unit; + + ------------------- + -- Is_Known_Unit -- + ------------------- + + function Is_Known_Unit (Nam : Node_Id) return Boolean is + Unam : Unit_Name_Type; + Fnam : File_Name_Type; + + begin + -- If selector is not an identifier (e.g. it is a character literal or + -- some junk from a previous error), then definitely not a known unit. + + if Nkind (Selector_Name (Nam)) /= N_Identifier then + return False; + end if; + + -- Otherwise get corresponding file name + + Unam := Get_Unit_Name (Nam); + Fnam := Get_File_Name (Unam, Subunit => False); + Get_Name_String (Fnam); + + Error_Msg_Strlen := 0; + + -- Ada/System/Interfaces are all Ada 95 units + + if (Name_Len = 7 and then Name_Buffer (1 .. 7) = "ada.ads") + or else + (Name_Len = 10 and then Name_Buffer (1 .. 10) = "system.ads") + or else + (Name_Len = 12 and then Name_Buffer (1 .. 12) = "interfac.ads") + then + return True; + end if; + + -- Remove extension from file name + + if Name_Buffer (Name_Len - 3 .. Name_Len) = ".adb" + or else + Name_Buffer (Name_Len - 3 .. Name_Len) = ".ads" + then + Name_Len := Name_Len - 4; + else + return False; + end if; + + -- Pad name to 8 characters + + while Name_Len < 8 loop + Name_Len := Name_Len + 1; + Name_Buffer (Name_Len) := ' '; + end loop; + + -- If length more than 8, definitely not a match + + if Name_Len /= 8 then + return False; + end if; + + -- If length is 8, search our tables + + for J in Non_Imp_File_Names_95'Range loop + if Name_Buffer (1 .. 8) = Non_Imp_File_Names_95 (J).Fname then + return True; + end if; + end loop; + + for J in Non_Imp_File_Names_05'Range loop + if Name_Buffer (1 .. 8) = Non_Imp_File_Names_05 (J).Fname then + return True; + end if; + end loop; + + for J in Non_Imp_File_Names_12'Range loop + if Name_Buffer (1 .. 8) = Non_Imp_File_Names_12 (J).Fname then + return True; + end if; + end loop; + + -- If not found, not known + + return False; + + -- A safety guard, if we get an exception during this processing then it + -- is most likely the result of a previous error, or a peculiar case we + -- have not thought of. Since this routine is only used for error message + -- refinement, we will just return False. + + exception + when others => + return False; + end Is_Known_Unit; + + --------------------------- + -- Not_Impl_Defined_Unit -- + --------------------------- + + function Not_Impl_Defined_Unit (U : Unit_Number_Type) return Boolean is + Fname : constant File_Name_Type := Unit_File_Name (U); + + begin + Error_Msg_Strlen := 0; + Get_Name_String (Fname); + + -- Ada/System/Interfaces are all RM-defined Ada 95 units + + if (Name_Len = 7 and then Name_Buffer (1 .. 7) = "ada.ads") + or else + (Name_Len = 10 and then Name_Buffer (1 .. 10) = "system.ads") + or else + (Name_Len = 12 and then Name_Buffer (1 .. 12) = "interfac.ads") + then + return True; + end if; + + -- If length of file name is greater than 12, then it's a user unit + -- and not a GNAT implementation defined unit. + + if Name_Len > 12 then + return True; + end if; + + -- Implementation defined if unit in the gnat hierarchy + + if (Name_Len = 8 and then Name_Buffer (1 .. 8) = "gnat.ads") + or else (Name_Len > 2 and then Name_Buffer (1 .. 2) = "g-") + then + return False; + end if; + + -- Not implementation defined if file name does not start with a- s- i- + + if Name_Len < 3 + or else Name_Buffer (2) /= '-' + or else (Name_Buffer (1) /= 'a' + and then + Name_Buffer (1) /= 'i' + and then + Name_Buffer (1) /= 's') + then + return True; + end if; + + -- Not impl-defined if file name does not end in .ads. This can happen + -- when non-standard file names are being used. + + if Name_Buffer (Name_Len - 3 .. Name_Len) /= ".ads" then + return True; + end if; + + -- Otherwise normalize file name to 8 characters + + Name_Len := Name_Len - 4; + while Name_Len < 8 loop + Name_Len := Name_Len + 1; + Name_Buffer (Name_Len) := ' '; + end loop; + + -- Check our lists of names, if we find a match, return corresponding + -- indication of whether the file is RM defined, respecting the RM + -- version in which it is defined. + + for J in Non_Imp_File_Names_95'Range loop + if Name_Buffer (1 .. 8) = Non_Imp_File_Names_95 (J).Fname then + return Non_Imp_File_Names_95 (J).RMdef; + end if; + end loop; + + for J in Non_Imp_File_Names_05'Range loop + if Name_Buffer (1 .. 8) = Non_Imp_File_Names_05 (J).Fname then + return Non_Imp_File_Names_05 (J).RMdef + and then Ada_Version >= Ada_2005; + end if; + end loop; + + for J in Non_Imp_File_Names_12'Range loop + if Name_Buffer (1 .. 8) = Non_Imp_File_Names_12 (J).Fname then + return Non_Imp_File_Names_95 (J).RMdef + and then Ada_Version >= Ada_2012; + end if; + end loop; + + -- If unit is in System, Ada or Interfaces hierarchies and did not match + -- any entry in the list, means it is an internal implementation defined + -- unit which the restriction should definition forbid. + + return True; + end Not_Impl_Defined_Unit; + +end Impunit; |