gcc/ada/sprint.adb

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT COMPILER COMPONENTS                         --
   4 --                                                                          --
   5 --                               S P R I N T                                --
   6 --                                                                          --
   7 --                                 B o d y                                  --
   8 --                                                                          --
   9 --          Copyright (C) 1992-2010, Free Software Foundation, Inc.         --
  10 --                                                                          --
  11 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
  12 -- terms of the  GNU General Public License as published  by the Free Soft- --
  13 -- ware  Foundation;  either version 3,  or (at your option) any later ver- --
  14 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  15 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  16 -- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
  17 -- for  more details.  You should have  received  a copy of the GNU General --
  18 -- Public License  distributed with GNAT; see file COPYING3.  If not, go to --
  19 -- http://www.gnu.org/licenses for a complete copy of the license.          --
  20 --                                                                          --
  21 -- GNAT was originally developed  by the GNAT team at  New York University. --
  22 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  23 --                                                                          --
  24 ------------------------------------------------------------------------------
  25
  26 with Atree;    use Atree;
  27 with Casing;   use Casing;
  28 with Csets;    use Csets;
  29 with Debug;    use Debug;
  30 with Einfo;    use Einfo;
  31 with Fname;    use Fname;
  32 with Lib;      use Lib;
  33 with Namet;    use Namet;
  34 with Nlists;   use Nlists;
  35 with Opt;      use Opt;
  36 with Output;   use Output;
  37 with Rtsfind;  use Rtsfind;
  38 with Sem_Eval; use Sem_Eval;
  39 with Sem_Util; use Sem_Util;
  40 with Sinfo;    use Sinfo;
  41 with Sinput;   use Sinput;
  42 with Sinput.D; use Sinput.D;
  43 with Snames;   use Snames;
  44 with Stand;    use Stand;
  45 with Stringt;  use Stringt;
  46 with Uintp;    use Uintp;
  47 with Uname;    use Uname;
  48 with Urealp;   use Urealp;
  49
  50 package body Sprint is
  51    Current_Source_File : Source_File_Index;
  52    --  Index of source file whose generated code is being dumped
  53
  54    Dump_Node : Node_Id := Empty;
  55    --  This is set to the current node, used for printing line numbers. In
  56    --  Debug_Generated_Code mode, Dump_Node is set to the current node
  57    --  requiring Sloc fixup, until Set_Debug_Sloc is called to set the proper
  58    --  value. The call clears it back to Empty.
  59
  60    Debug_Sloc : Source_Ptr;
  61    --  Sloc of first byte of line currently being written if we are
  62    --  generating a source debug file.
  63
  64    Dump_Original_Only : Boolean;
  65    --  Set True if the -gnatdo (dump original tree) flag is set
  66
  67    Dump_Generated_Only : Boolean;
  68    --  Set True if the -gnatG (dump generated tree) debug flag is set
  69    --  or for Print_Generated_Code (-gnatG) or Dump_Generated_Code (-gnatD).
  70
  71    Dump_Freeze_Null : Boolean;
  72    --  Set True if freeze nodes and non-source null statements output
  73
  74    Freeze_Indent : Int := 0;
  75    --  Keep track of freeze indent level (controls output of blank lines before
  76    --  procedures within expression freeze actions). Relevant only if we are
  77    --  not in Dump_Source_Text mode, since in Dump_Source_Text mode we don't
  78    --  output these blank lines in any case.
  79
  80    Indent : Int := 0;
  81    --  Number of columns for current line output indentation
  82
  83    Indent_Annull_Flag : Boolean := False;
  84    --  Set True if subsequent Write_Indent call to be ignored, gets reset
  85    --  by this call, so it is only active to suppress a single indent call.
  86
  87    Last_Line_Printed : Physical_Line_Number;
  88    --  This keeps track of the physical line number of the last source line
  89    --  that has been output. The value is only valid in Dump_Source_Text mode.
  90
  91    -------------------------------
  92    -- Operator Precedence Table --
  93    -------------------------------
  94
  95    --  This table is used to decide whether a subexpression needs to be
  96    --  parenthesized. The rule is that if an operand of an operator (which
  97    --  for this purpose includes AND THEN and OR ELSE) is itself an operator
  98    --  with a lower precedence than the operator (or equal precedence if
  99    --  appearing as the right operand), then parentheses are required.
 100
 101    Op_Prec : constant array (N_Subexpr) of Short_Short_Integer :=
 102                (N_Op_And          => 1,
 103                 N_Op_Or           => 1,
 104                 N_Op_Xor          => 1,
 105                 N_And_Then        => 1,
 106                 N_Or_Else         => 1,
 107
 108                 N_In              => 2,
 109                 N_Not_In          => 2,
 110                 N_Op_Eq           => 2,
 111                 N_Op_Ge           => 2,
 112                 N_Op_Gt           => 2,
 113                 N_Op_Le           => 2,
 114                 N_Op_Lt           => 2,
 115                 N_Op_Ne           => 2,
 116
 117                 N_Op_Add          => 3,
 118                 N_Op_Concat       => 3,
 119                 N_Op_Subtract     => 3,
 120                 N_Op_Plus         => 3,
 121                 N_Op_Minus        => 3,
 122
 123                 N_Op_Divide       => 4,
 124                 N_Op_Mod          => 4,
 125                 N_Op_Rem          => 4,
 126                 N_Op_Multiply     => 4,
 127
 128                 N_Op_Expon        => 5,
 129                 N_Op_Abs          => 5,
 130                 N_Op_Not          => 5,
 131
 132                 others            => 6);
 133
 134    procedure Sprint_Left_Opnd (N : Node_Id);
 135    --  Print left operand of operator, parenthesizing if necessary
 136
 137    procedure Sprint_Right_Opnd (N : Node_Id);
 138    --  Print right operand of operator, parenthesizing if necessary
 139
 140    -----------------------
 141    -- Local Subprograms --
 142    -----------------------
 143
 144    procedure Col_Check (N : Nat);
 145    --  Check that at least N characters remain on current line, and if not,
 146    --  then start an extra line with two characters extra indentation for
 147    --  continuing text on the next line.
 148
 149    procedure Extra_Blank_Line;
 150    --  In some situations we write extra blank lines to separate the generated
 151    --  code to make it more readable. However, these extra blank lines are not
 152    --  generated in Dump_Source_Text mode, since there the source text lines
 153    --  output with preceding blank lines are quite sufficient as separators.
 154    --  This procedure writes a blank line if Dump_Source_Text is False.
 155
 156    procedure Indent_Annull;
 157    --  Causes following call to Write_Indent to be ignored. This is used when
 158    --  a higher level node wants to stop a lower level node from starting a
 159    --  new line, when it would otherwise be inclined to do so (e.g. the case
 160    --  of an accept statement called from an accept alternative with a guard)
 161
 162    procedure Indent_Begin;
 163    --  Increase indentation level
 164
 165    procedure Indent_End;
 166    --  Decrease indentation level
 167
 168    procedure Print_Debug_Line (S : String);
 169    --  Used to print output lines in Debug_Generated_Code mode (this is used
 170    --  as the argument for a call to Set_Special_Output in package Output).
 171
 172    procedure Process_TFAI_RR_Flags (Nod : Node_Id);
 173    --  Given a divide, multiplication or division node, check the flags
 174    --  Treat_Fixed_As_Integer and Rounded_Flags, and if set, output the
 175    --  appropriate special syntax characters (# and @).
 176
 177    procedure Set_Debug_Sloc;
 178    --  If Dump_Node is non-empty, this routine sets the appropriate value
 179    --  in its Sloc field, from the current location in the debug source file
 180    --  that is currently being written.
 181
 182    procedure Sprint_And_List (List : List_Id);
 183    --  Print the given list with items separated by vertical "and"
 184
 185    procedure Sprint_Bar_List (List : List_Id);
 186    --  Print the given list with items separated by vertical bars
 187
 188    procedure Sprint_End_Label
 189      (Node    : Node_Id;
 190       Default : Node_Id);
 191    --  Print the end label for a Handled_Sequence_Of_Statements in a body.
 192    --  If there is not end label, use the defining identifier of the enclosing
 193    --  construct. If the end label is present, treat it as a reference to the
 194    --  defining entity of the construct: this guarantees that it carries the
 195    --  proper sloc information for debugging purposes.
 196
 197    procedure Sprint_Node_Actual (Node : Node_Id);
 198    --  This routine prints its node argument. It is a lower level routine than
 199    --  Sprint_Node, in that it does not bother about rewritten trees.
 200
 201    procedure Sprint_Node_Sloc (Node : Node_Id);
 202    --  Like Sprint_Node, but in addition, in Debug_Generated_Code mode,
 203    --  sets the Sloc of the current debug node to be a copy of the Sloc
 204    --  of the sprinted node Node. Note that this is done after printing
 205    --  Node, so that the Sloc is the proper updated value for the debug file.
 206
 207    procedure Update_Itype (Node : Node_Id);
 208    --  Update the Sloc of an itype that is not attached to the tree, when
 209    --  debugging expanded code. This routine is called from nodes whose
 210    --  type can be an Itype, such as defining_identifiers that may be of
 211    --  an anonymous access type, or ranges in slices.
 212
 213    procedure Write_Char_Sloc (C : Character);
 214    --  Like Write_Char, except that if C is non-blank, Set_Debug_Sloc is
 215    --  called to ensure that the current node has a proper Sloc set.
 216
 217    procedure Write_Condition_And_Reason (Node : Node_Id);
 218    --  Write Condition and Reason codes of Raise_xxx_Error node
 219
 220    procedure Write_Corresponding_Source (S : String);
 221    --  If S is a string with a single keyword (possibly followed by a space),
 222    --  and if the next non-comment non-blank source line matches this keyword,
 223    --  then output all source lines up to this matching line.
 224
 225    procedure Write_Discr_Specs (N : Node_Id);
 226    --  Output discriminant specification for node, which is any of the type
 227    --  declarations that can have discriminants.
 228
 229    procedure Write_Ekind (E : Entity_Id);
 230    --  Write the String corresponding to the Ekind without "E_"
 231
 232    procedure Write_Id (N : Node_Id);
 233    --  N is a node with a Chars field. This procedure writes the name that
 234    --  will be used in the generated code associated with the name. For a
 235    --  node with no associated entity, this is simply the Chars field. For
 236    --  the case where there is an entity associated with the node, we print
 237    --  the name associated with the entity (since it may have been encoded).
 238    --  One other special case is that an entity has an active external name
 239    --  (i.e. an external name present with no address clause), then this
 240    --  external name is output. This procedure also deals with outputting
 241    --  declarations of referenced itypes, if not output earlier.
 242
 243    function Write_Identifiers (Node : Node_Id) return Boolean;
 244    --  Handle node where the grammar has a list of defining identifiers, but
 245    --  the tree has a separate declaration for each identifier. Handles the
 246    --  printing of the defining identifier, and returns True if the type and
 247    --  initialization information is to be printed, False if it is to be
 248    --  skipped (the latter case happens when printing defining identifiers
 249    --  other than the first in the original tree output case).
 250
 251    procedure Write_Implicit_Def (E : Entity_Id);
 252    pragma Warnings (Off, Write_Implicit_Def);
 253    --  Write the definition of the implicit type E according to its Ekind
 254    --  For now a debugging procedure, but might be used in the future.
 255
 256    procedure Write_Indent;
 257    --  Start a new line and write indentation spacing
 258
 259    function Write_Indent_Identifiers (Node : Node_Id) return Boolean;
 260    --  Like Write_Identifiers except that each new printed declaration
 261    --  is at the start of a new line.
 262
 263    function Write_Indent_Identifiers_Sloc (Node : Node_Id) return Boolean;
 264    --  Like Write_Indent_Identifiers except that in Debug_Generated_Code
 265    --  mode, the Sloc of the current debug node is set to point to the
 266    --  first output identifier.
 267
 268    procedure Write_Indent_Str (S : String);
 269    --  Start a new line and write indent spacing followed by given string
 270
 271    procedure Write_Indent_Str_Sloc (S : String);
 272    --  Like Write_Indent_Str, but in addition, in Debug_Generated_Code mode,
 273    --  the Sloc of the current node is set to the first non-blank character
 274    --  in the string S.
 275
 276    procedure Write_Itype (Typ : Entity_Id);
 277    --  If Typ is an Itype that has not been written yet, write it. If Typ is
 278    --  any other kind of entity or tree node, the call is ignored.
 279
 280    procedure Write_Name_With_Col_Check (N : Name_Id);
 281    --  Write name (using Write_Name) with initial column check, and possible
 282    --  initial Write_Indent (to get new line) if current line is too full.
 283
 284    procedure Write_Name_With_Col_Check_Sloc (N : Name_Id);
 285    --  Like Write_Name_With_Col_Check but in addition, in Debug_Generated_Code
 286    --  mode, sets Sloc of current debug node to first character of name.
 287
 288    procedure Write_Operator (N : Node_Id; S : String);
 289    --  Like Write_Str_Sloc, used for operators, encloses the string in
 290    --  characters {} if the Do_Overflow flag is set on the node N.
 291
 292    procedure Write_Param_Specs (N : Node_Id);
 293    --  Output parameter specifications for node (which is either a function
 294    --  or procedure specification with a Parameter_Specifications field)
 295
 296    procedure Write_Rewrite_Str (S : String);
 297    --  Writes out a string (typically containing <<< or >>>}) for a node
 298    --  created by rewriting the tree. Suppressed if we are outputting the
 299    --  generated code only, since in this case we don't specially mark nodes
 300    --  created by rewriting).
 301
 302    procedure Write_Source_Line (L : Physical_Line_Number);
 303    --  If writing of interspersed source lines is enabled, then write the given
 304    --  line from the source file, preceded by Eol, then an extra blank line if
 305    --  the line has at least one blank, is not a comment and is not line one,
 306    --  then "--" and the line number followed by period followed by text of the
 307    --  source line (without terminating Eol). If interspersed source line
 308    --  output not enabled, then the call has no effect.
 309
 310    procedure Write_Source_Lines (L : Physical_Line_Number);
 311    --  If writing of interspersed source lines is enabled, then writes source
 312    --  lines Last_Line_Printed + 1 .. L, and updates Last_Line_Printed. If
 313    --  interspersed source line output not enabled, then call has no effect.
 314
 315    procedure Write_Str_Sloc (S : String);
 316    --  Like Write_Str, but sets debug Sloc of current debug node to first
 317    --  non-blank character if a current debug node is active.
 318
 319    procedure Write_Str_With_Col_Check (S : String);
 320    --  Write string (using Write_Str) with initial column check, and possible
 321    --  initial Write_Indent (to get new line) if current line is too full.
 322
 323    procedure Write_Str_With_Col_Check_Sloc (S : String);
 324    --  Like Write_Str_With_Col_Check, but sets debug Sloc of current debug
 325    --  node to first non-blank character if a current debug node is active.
 326
 327    procedure Write_Subprogram_Name (N : Node_Id);
 328    --  N is the Name field of a function call or procedure statement call.
 329    --  The effect of the call is to output the name, preceded by a $ if the
 330    --  call is identified as an implicit call to a run time routine.
 331
 332    procedure Write_Uint_With_Col_Check (U : Uint; Format : UI_Format);
 333    --  Write Uint (using UI_Write) with initial column check, and possible
 334    --  initial Write_Indent (to get new line) if current line is too full.
 335    --  The format parameter determines the output format (see UI_Write).
 336
 337    procedure Write_Uint_With_Col_Check_Sloc (U : Uint; Format : UI_Format);
 338    --  Write Uint (using UI_Write) with initial column check, and possible
 339    --  initial Write_Indent (to get new line) if current line is too full.
 340    --  The format parameter determines the output format (see UI_Write).
 341    --  In addition, in Debug_Generated_Code mode, sets the current node
 342    --  Sloc to the first character of the output value.
 343
 344    procedure Write_Ureal_With_Col_Check_Sloc (U : Ureal);
 345    --  Write Ureal (using same output format as UR_Write) with column checks
 346    --  and a possible initial Write_Indent (to get new line) if current line
 347    --  is too full. In addition, in Debug_Generated_Code mode, sets the
 348    --  current node Sloc to the first character of the output value.
 349
 350    ---------------
 351    -- Col_Check --
 352    ---------------
 353
 354    procedure Col_Check (N : Nat) is
 355    begin
 356       if N + Column > Sprint_Line_Limit then
 357          Write_Indent_Str ("  ");
 358       end if;
 359    end Col_Check;
 360
 361    ----------------------
 362    -- Extra_Blank_Line --
 363    ----------------------
 364
 365    procedure Extra_Blank_Line is
 366    begin
 367       if not Dump_Source_Text then
 368          Write_Indent;
 369       end if;
 370    end Extra_Blank_Line;
 371
 372    -------------------
 373    -- Indent_Annull --
 374    -------------------
 375
 376    procedure Indent_Annull is
 377    begin
 378       Indent_Annull_Flag := True;
 379    end Indent_Annull;
 380
 381    ------------------
 382    -- Indent_Begin --
 383    ------------------
 384
 385    procedure Indent_Begin is
 386    begin
 387       Indent := Indent + 3;
 388    end Indent_Begin;
 389
 390    ----------------
 391    -- Indent_End --
 392    ----------------
 393
 394    procedure Indent_End is
 395    begin
 396       Indent := Indent - 3;
 397    end Indent_End;
 398
 399    --------
 400    -- pg --
 401    --------
 402
 403    procedure pg (Arg : Union_Id) is
 404    begin
 405       Dump_Generated_Only := True;
 406       Dump_Original_Only  := False;
 407       Dump_Freeze_Null    := True;
 408       Current_Source_File := No_Source_File;
 409
 410       if Arg in List_Range then
 411          Sprint_Node_List (List_Id (Arg));
 412
 413       elsif Arg in Node_Range then
 414          Sprint_Node (Node_Id (Arg));
 415
 416       else
 417          null;
 418       end if;
 419
 420       Write_Eol;
 421    end pg;
 422
 423    --------
 424    -- po --
 425    --------
 426
 427    procedure po (Arg : Union_Id) is
 428    begin
 429       Dump_Generated_Only := False;
 430       Dump_Original_Only := True;
 431       Current_Source_File := No_Source_File;
 432
 433       if Arg in List_Range then
 434          Sprint_Node_List (List_Id (Arg));
 435
 436       elsif Arg in Node_Range then
 437          Sprint_Node (Node_Id (Arg));
 438
 439       else
 440          null;
 441       end if;
 442
 443       Write_Eol;
 444    end po;
 445
 446    ----------------------
 447    -- Print_Debug_Line --
 448    ----------------------
 449
 450    procedure Print_Debug_Line (S : String) is
 451    begin
 452       Write_Debug_Line (S, Debug_Sloc);
 453    end Print_Debug_Line;
 454
 455    ---------------------------
 456    -- Process_TFAI_RR_Flags --
 457    ---------------------------
 458
 459    procedure Process_TFAI_RR_Flags (Nod : Node_Id) is
 460    begin
 461       if Treat_Fixed_As_Integer (Nod) then
 462          Write_Char ('#');
 463       end if;
 464
 465       if Rounded_Result (Nod) then
 466          Write_Char ('@');
 467       end if;
 468    end Process_TFAI_RR_Flags;
 469
 470    --------
 471    -- ps --
 472    --------
 473
 474    procedure ps (Arg : Union_Id) is
 475    begin
 476       Dump_Generated_Only := False;
 477       Dump_Original_Only := False;
 478       Current_Source_File := No_Source_File;
 479
 480       if Arg in List_Range then
 481          Sprint_Node_List (List_Id (Arg));
 482
 483       elsif Arg in Node_Range then
 484          Sprint_Node (Node_Id (Arg));
 485
 486       else
 487          null;
 488       end if;
 489
 490       Write_Eol;
 491    end ps;
 492
 493    --------------------
 494    -- Set_Debug_Sloc --
 495    --------------------
 496
 497    procedure Set_Debug_Sloc is
 498    begin
 499       if Debug_Generated_Code and then Present (Dump_Node) then
 500          Set_Sloc (Dump_Node, Debug_Sloc + Source_Ptr (Column - 1));
 501          Dump_Node := Empty;
 502       end if;
 503    end Set_Debug_Sloc;
 504
 505    -----------------
 506    -- Source_Dump --
 507    -----------------
 508
 509    procedure Source_Dump is
 510
 511       procedure Underline;
 512       --  Put underline under string we just printed
 513
 514       ---------------
 515       -- Underline --
 516       ---------------
 517
 518       procedure Underline is
 519          Col : constant Int := Column;
 520
 521       begin
 522          Write_Eol;
 523
 524          while Col > Column loop
 525             Write_Char ('-');
 526          end loop;
 527
 528          Write_Eol;
 529       end Underline;
 530
 531    --  Start of processing for Source_Dump
 532
 533    begin
 534       Dump_Generated_Only := Debug_Flag_G or
 535                              Print_Generated_Code or
 536                              Debug_Generated_Code;
 537       Dump_Original_Only  := Debug_Flag_O;
 538       Dump_Freeze_Null    := Debug_Flag_S or Debug_Flag_G;
 539
 540       --  Note that we turn off the tree dump flags immediately, before
 541       --  starting the dump. This avoids generating two copies of the dump
 542       --  if an abort occurs after printing the dump, and more importantly,
 543       --  avoids an infinite loop if an abort occurs during the dump.
 544
 545       if Debug_Flag_Z then
 546          Current_Source_File := No_Source_File;
 547          Debug_Flag_Z := False;
 548          Write_Eol;
 549          Write_Eol;
 550          Write_Str ("Source recreated from tree of Standard (spec)");
 551          Underline;
 552          Sprint_Node (Standard_Package_Node);
 553          Write_Eol;
 554          Write_Eol;
 555       end if;
 556
 557       if Debug_Flag_S or Dump_Generated_Only or Dump_Original_Only then
 558          Debug_Flag_G := False;
 559          Debug_Flag_O := False;
 560          Debug_Flag_S := False;
 561
 562          --  Dump requested units
 563
 564          for U in Main_Unit .. Last_Unit loop
 565             Current_Source_File := Source_Index (U);
 566
 567             --  Dump all units if -gnatdf set, otherwise we dump only
 568             --  the source files that are in the extended main source.
 569
 570             if Debug_Flag_F
 571               or else In_Extended_Main_Source_Unit (Cunit_Entity (U))
 572             then
 573                --  If we are generating debug files, setup to write them
 574
 575                if Debug_Generated_Code then
 576                   Set_Special_Output (Print_Debug_Line'Access);
 577                   Create_Debug_Source (Source_Index (U), Debug_Sloc);
 578                   Write_Source_Line (1);
 579                   Last_Line_Printed := 1;
 580                   Sprint_Node (Cunit (U));
 581                   Write_Source_Lines (Last_Source_Line (Current_Source_File));
 582                   Write_Eol;
 583                   Close_Debug_Source;
 584                   Set_Special_Output (null);
 585
 586                --  Normal output to standard output file
 587
 588                else
 589                   Write_Str ("Source recreated from tree for ");
 590                   Write_Unit_Name (Unit_Name (U));
 591                   Underline;
 592                   Write_Source_Line (1);
 593                   Last_Line_Printed := 1;
 594                   Sprint_Node (Cunit (U));
 595                   Write_Source_Lines (Last_Source_Line (Current_Source_File));
 596                   Write_Eol;
 597                   Write_Eol;
 598                end if;
 599             end if;
 600          end loop;
 601       end if;
 602    end Source_Dump;
 603
 604    ---------------------
 605    -- Sprint_And_List --
 606    ---------------------
 607
 608    procedure Sprint_And_List (List : List_Id) is
 609       Node : Node_Id;
 610    begin
 611       if Is_Non_Empty_List (List) then
 612          Node := First (List);
 613          loop
 614             Sprint_Node (Node);
 615             Next (Node);
 616             exit when Node = Empty;
 617             Write_Str (" and ");
 618          end loop;
 619       end if;
 620    end Sprint_And_List;
 621
 622    ---------------------
 623    -- Sprint_Bar_List --
 624    ---------------------
 625
 626    procedure Sprint_Bar_List (List : List_Id) is
 627       Node : Node_Id;
 628    begin
 629       if Is_Non_Empty_List (List) then
 630          Node := First (List);
 631          loop
 632             Sprint_Node (Node);
 633             Next (Node);
 634             exit when Node = Empty;
 635             Write_Str (" | ");
 636          end loop;
 637       end if;
 638    end Sprint_Bar_List;
 639
 640    ----------------------
 641    -- Sprint_End_Label --
 642    ----------------------
 643
 644    procedure Sprint_End_Label
 645      (Node    : Node_Id;
 646       Default : Node_Id)
 647    is
 648    begin
 649       if Present (Node)
 650         and then Present (End_Label (Node))
 651         and then Is_Entity_Name (End_Label (Node))
 652       then
 653          Set_Entity (End_Label (Node), Default);
 654
 655          --  For a function whose name is an operator, use the qualified name
 656          --  created for the defining entity.
 657
 658          if Nkind (End_Label (Node)) = N_Operator_Symbol then
 659             Set_Chars (End_Label (Node), Chars (Default));
 660          end if;
 661
 662          Sprint_Node (End_Label (Node));
 663       else
 664          Sprint_Node (Default);
 665       end if;
 666    end Sprint_End_Label;
 667
 668    -----------------------
 669    -- Sprint_Comma_List --
 670    -----------------------
 671
 672    procedure Sprint_Comma_List (List : List_Id) is
 673       Node : Node_Id;
 674
 675    begin
 676       if Is_Non_Empty_List (List) then
 677          Node := First (List);
 678          loop
 679             Sprint_Node (Node);
 680             Next (Node);
 681             exit when Node = Empty;
 682
 683             if not Is_Rewrite_Insertion (Node)
 684               or else not Dump_Original_Only
 685             then
 686                Write_Str (", ");
 687             end if;
 688          end loop;
 689       end if;
 690    end Sprint_Comma_List;
 691
 692    --------------------------
 693    -- Sprint_Indented_List --
 694    --------------------------
 695
 696    procedure Sprint_Indented_List (List : List_Id) is
 697    begin
 698       Indent_Begin;
 699       Sprint_Node_List (List);
 700       Indent_End;
 701    end Sprint_Indented_List;
 702
 703    ---------------------
 704    -- Sprint_Left_Opnd --
 705    ---------------------
 706
 707    procedure Sprint_Left_Opnd (N : Node_Id) is
 708       Opnd : constant Node_Id := Left_Opnd (N);
 709
 710    begin
 711       if Paren_Count (Opnd) /= 0
 712         or else Op_Prec (Nkind (Opnd)) >= Op_Prec (Nkind (N))
 713       then
 714          Sprint_Node (Opnd);
 715
 716       else
 717          Write_Char ('(');
 718          Sprint_Node (Opnd);
 719          Write_Char (')');
 720       end if;
 721    end Sprint_Left_Opnd;
 722
 723    -----------------
 724    -- Sprint_Node --
 725    -----------------
 726
 727    procedure Sprint_Node (Node : Node_Id) is
 728    begin
 729       if Is_Rewrite_Insertion (Node) then
 730          if not Dump_Original_Only then
 731
 732             --  For special cases of nodes that always output <<< >>>
 733             --  do not duplicate the output at this point.
 734
 735             if Nkind (Node) = N_Freeze_Entity
 736               or else Nkind (Node) = N_Implicit_Label_Declaration
 737             then
 738                Sprint_Node_Actual (Node);
 739
 740             --  Normal case where <<< >>> may be required
 741
 742             else
 743                Write_Rewrite_Str ("<<<");
 744                Sprint_Node_Actual (Node);
 745                Write_Rewrite_Str (">>>");
 746             end if;
 747          end if;
 748
 749       elsif Is_Rewrite_Substitution (Node) then
 750
 751          --  Case of dump generated only
 752
 753          if Dump_Generated_Only then
 754             Sprint_Node_Actual (Node);
 755
 756          --  Case of dump original only
 757
 758          elsif Dump_Original_Only then
 759             Sprint_Node_Actual (Original_Node (Node));
 760
 761          --  Case of both being dumped
 762
 763          else
 764             Sprint_Node_Actual (Original_Node (Node));
 765             Write_Rewrite_Str ("<<<");
 766             Sprint_Node_Actual (Node);
 767             Write_Rewrite_Str (">>>");
 768          end if;
 769
 770       else
 771          Sprint_Node_Actual (Node);
 772       end if;
 773    end Sprint_Node;
 774
 775    ------------------------
 776    -- Sprint_Node_Actual --
 777    ------------------------
 778
 779    procedure Sprint_Node_Actual (Node : Node_Id) is
 780       Save_Dump_Node : constant Node_Id := Dump_Node;
 781
 782    begin
 783       if Node = Empty then
 784          return;
 785       end if;
 786
 787       for J in 1 .. Paren_Count (Node) loop
 788          Write_Str_With_Col_Check ("(");
 789       end loop;
 790
 791       --  Setup current dump node
 792
 793       Dump_Node := Node;
 794
 795       if Nkind (Node) in N_Subexpr
 796         and then Do_Range_Check (Node)
 797       then
 798          Write_Str_With_Col_Check ("{");
 799       end if;
 800
 801       --  Select print circuit based on node kind
 802
 803       case Nkind (Node) is
 804
 805          when N_Abort_Statement =>
 806             Write_Indent_Str_Sloc ("abort ");
 807             Sprint_Comma_List (Names (Node));
 808             Write_Char (';');
 809
 810          when N_Abortable_Part =>
 811             Set_Debug_Sloc;
 812             Write_Str_Sloc ("abort ");
 813             Sprint_Indented_List (Statements (Node));
 814
 815          when N_Abstract_Subprogram_Declaration =>
 816             Write_Indent;
 817             Sprint_Node (Specification (Node));
 818             Write_Str_With_Col_Check (" is ");
 819             Write_Str_Sloc ("abstract;");
 820
 821          when N_Accept_Alternative =>
 822             Sprint_Node_List (Pragmas_Before (Node));
 823
 824             if Present (Condition (Node)) then
 825                Write_Indent_Str ("when ");
 826                Sprint_Node (Condition (Node));
 827                Write_Str (" => ");
 828                Indent_Annull;
 829             end if;
 830
 831             Sprint_Node_Sloc (Accept_Statement (Node));
 832             Sprint_Node_List (Statements (Node));
 833
 834          when N_Accept_Statement =>
 835             Write_Indent_Str_Sloc ("accept ");
 836             Write_Id (Entry_Direct_Name (Node));
 837
 838             if Present (Entry_Index (Node)) then
 839                Write_Str_With_Col_Check (" (");
 840                Sprint_Node (Entry_Index (Node));
 841                Write_Char (')');
 842             end if;
 843
 844             Write_Param_Specs (Node);
 845
 846             if Present (Handled_Statement_Sequence (Node)) then
 847                Write_Str_With_Col_Check (" do");
 848                Sprint_Node (Handled_Statement_Sequence (Node));
 849                Write_Indent_Str ("end ");
 850                Write_Id (Entry_Direct_Name (Node));
 851             end if;
 852
 853             Write_Char (';');
 854
 855          when N_Access_Definition =>
 856
 857             --  Ada 2005 (AI-254)
 858
 859             if Present (Access_To_Subprogram_Definition (Node)) then
 860                Sprint_Node (Access_To_Subprogram_Definition (Node));
 861             else
 862                --  Ada 2005 (AI-231)
 863
 864                if Null_Exclusion_Present (Node) then
 865                   Write_Str ("not null ");
 866                end if;
 867
 868                Write_Str_With_Col_Check_Sloc ("access ");
 869
 870                if All_Present (Node) then
 871                   Write_Str ("all ");
 872                elsif Constant_Present (Node) then
 873                   Write_Str ("constant ");
 874                end if;
 875
 876                Sprint_Node (Subtype_Mark (Node));
 877             end if;
 878
 879          when N_Access_Function_Definition =>
 880
 881             --  Ada 2005 (AI-231)
 882
 883             if Null_Exclusion_Present (Node) then
 884                Write_Str ("not null ");
 885             end if;
 886
 887             Write_Str_With_Col_Check_Sloc ("access ");
 888
 889             if Protected_Present (Node) then
 890                Write_Str_With_Col_Check ("protected ");
 891             end if;
 892
 893             Write_Str_With_Col_Check ("function");
 894             Write_Param_Specs (Node);
 895             Write_Str_With_Col_Check (" return ");
 896             Sprint_Node (Result_Definition (Node));
 897
 898          when N_Access_Procedure_Definition =>
 899
 900             --  Ada 2005 (AI-231)
 901
 902             if Null_Exclusion_Present (Node) then
 903                Write_Str ("not null ");
 904             end if;
 905
 906             Write_Str_With_Col_Check_Sloc ("access ");
 907
 908             if Protected_Present (Node) then
 909                Write_Str_With_Col_Check ("protected ");
 910             end if;
 911
 912             Write_Str_With_Col_Check ("procedure");
 913             Write_Param_Specs (Node);
 914
 915          when N_Access_To_Object_Definition =>
 916             Write_Str_With_Col_Check_Sloc ("access ");
 917
 918             if All_Present (Node) then
 919                Write_Str_With_Col_Check ("all ");
 920             elsif Constant_Present (Node) then
 921                Write_Str_With_Col_Check ("constant ");
 922             end if;
 923
 924             --  Ada 2005 (AI-231)
 925
 926             if Null_Exclusion_Present (Node) then
 927                Write_Str ("not null ");
 928             end if;
 929
 930             Sprint_Node (Subtype_Indication (Node));
 931
 932          when N_Aggregate =>
 933             if Null_Record_Present (Node) then
 934                Write_Str_With_Col_Check_Sloc ("(null record)");
 935
 936             else
 937                Write_Str_With_Col_Check_Sloc ("(");
 938
 939                if Present (Expressions (Node)) then
 940                   Sprint_Comma_List (Expressions (Node));
 941
 942                   if Present (Component_Associations (Node))
 943                     and then not Is_Empty_List (Component_Associations (Node))
 944                   then
 945                      Write_Str (", ");
 946                   end if;
 947                end if;
 948
 949                if Present (Component_Associations (Node))
 950                  and then not Is_Empty_List (Component_Associations (Node))
 951                then
 952                   Indent_Begin;
 953
 954                   declare
 955                      Nd : Node_Id;
 956
 957                   begin
 958                      Nd := First (Component_Associations (Node));
 959
 960                      loop
 961                         Write_Indent;
 962                         Sprint_Node (Nd);
 963                         Next (Nd);
 964                         exit when No (Nd);
 965
 966                         if not Is_Rewrite_Insertion (Nd)
 967                           or else not Dump_Original_Only
 968                         then
 969                            Write_Str (", ");
 970                         end if;
 971                      end loop;
 972                   end;
 973
 974                   Indent_End;
 975                end if;
 976
 977                Write_Char (')');
 978             end if;
 979
 980          when N_Allocator =>
 981             Write_Str_With_Col_Check_Sloc ("new ");
 982
 983             --  Ada 2005 (AI-231)
 984
 985             if Null_Exclusion_Present (Node) then
 986                Write_Str ("not null ");
 987             end if;
 988
 989             Sprint_Node (Expression (Node));
 990
 991             if Present (Storage_Pool (Node)) then
 992                Write_Str_With_Col_Check ("[storage_pool = ");
 993                Sprint_Node (Storage_Pool (Node));
 994                Write_Char (']');
 995             end if;
 996
 997          when N_And_Then =>
 998             Sprint_Left_Opnd (Node);
 999             Write_Str_Sloc (" and then ");
1000             Sprint_Right_Opnd (Node);
1001
1002          when N_At_Clause =>
1003             Write_Indent_Str_Sloc ("for ");
1004             Write_Id (Identifier (Node));
1005             Write_Str_With_Col_Check (" use at ");
1006             Sprint_Node (Expression (Node));
1007             Write_Char (';');
1008
1009          when N_Assignment_Statement =>
1010             Write_Indent;
1011             Sprint_Node (Name (Node));
1012             Write_Str_Sloc (" := ");
1013             Sprint_Node (Expression (Node));
1014             Write_Char (';');
1015
1016          when N_Asynchronous_Select =>
1017             Write_Indent_Str_Sloc ("select");
1018             Indent_Begin;
1019             Sprint_Node (Triggering_Alternative (Node));
1020             Indent_End;
1021
1022             --  Note: let the printing of Abortable_Part handle outputting
1023             --  the ABORT keyword, so that the Sloc can be set correctly.
1024
1025             Write_Indent_Str ("then ");
1026             Sprint_Node (Abortable_Part (Node));
1027             Write_Indent_Str ("end select;");
1028
1029          when N_Attribute_Definition_Clause =>
1030             Write_Indent_Str_Sloc ("for ");
1031             Sprint_Node (Name (Node));
1032             Write_Char (''');
1033             Write_Name_With_Col_Check (Chars (Node));
1034             Write_Str_With_Col_Check (" use ");
1035             Sprint_Node (Expression (Node));
1036             Write_Char (';');
1037
1038          when N_Attribute_Reference =>
1039             if Is_Procedure_Attribute_Name (Attribute_Name (Node)) then
1040                Write_Indent;
1041             end if;
1042
1043             Sprint_Node (Prefix (Node));
1044             Write_Char_Sloc (''');
1045             Write_Name_With_Col_Check (Attribute_Name (Node));
1046             Sprint_Paren_Comma_List (Expressions (Node));
1047
1048             if Is_Procedure_Attribute_Name (Attribute_Name (Node)) then
1049                Write_Char (';');
1050             end if;
1051
1052          when N_Block_Statement =>
1053             Write_Indent;
1054
1055             if Present (Identifier (Node))
1056               and then (not Has_Created_Identifier (Node)
1057                           or else not Dump_Original_Only)
1058             then
1059                Write_Rewrite_Str ("<<<");
1060                Write_Id (Identifier (Node));
1061                Write_Str (" : ");
1062                Write_Rewrite_Str (">>>");
1063             end if;
1064
1065             if Present (Declarations (Node)) then
1066                Write_Str_With_Col_Check_Sloc ("declare");
1067                Sprint_Indented_List (Declarations (Node));
1068                Write_Indent;
1069             end if;
1070
1071             Write_Str_With_Col_Check_Sloc ("begin");
1072             Sprint_Node (Handled_Statement_Sequence (Node));
1073             Write_Indent_Str ("end");
1074
1075             if Present (Identifier (Node))
1076               and then (not Has_Created_Identifier (Node)
1077                           or else not Dump_Original_Only)
1078             then
1079                Write_Rewrite_Str ("<<<");
1080                Write_Char (' ');
1081                Write_Id (Identifier (Node));
1082                Write_Rewrite_Str (">>>");
1083             end if;
1084
1085             Write_Char (';');
1086
1087          when N_Case_Expression =>
1088             declare
1089                Alt : Node_Id;
1090
1091             begin
1092                Write_Str_With_Col_Check_Sloc ("(case ");
1093                Sprint_Node (Expression (Node));
1094                Write_Str_With_Col_Check (" is");
1095
1096                Alt := First (Alternatives (Node));
1097                loop
1098                   Sprint_Node (Alt);
1099                   Next (Alt);
1100                   exit when No (Alt);
1101                   Write_Char (',');
1102                end loop;
1103
1104                Write_Char (')');
1105             end;
1106
1107          when N_Case_Expression_Alternative =>
1108             Write_Str_With_Col_Check (" when ");
1109             Sprint_Bar_List (Discrete_Choices (Node));
1110             Write_Str (" => ");
1111             Sprint_Node (Expression (Node));
1112
1113          when N_Case_Statement =>
1114             Write_Indent_Str_Sloc ("case ");
1115             Sprint_Node (Expression (Node));
1116             Write_Str (" is");
1117             Sprint_Indented_List (Alternatives (Node));
1118             Write_Indent_Str ("end case;");
1119
1120          when N_Case_Statement_Alternative =>
1121             Write_Indent_Str_Sloc ("when ");
1122             Sprint_Bar_List (Discrete_Choices (Node));
1123             Write_Str (" => ");
1124             Sprint_Indented_List (Statements (Node));
1125
1126          when N_Character_Literal =>
1127             if Column > Sprint_Line_Limit - 2 then
1128                Write_Indent_Str ("  ");
1129             end if;
1130
1131             Write_Char_Sloc (''');
1132             Write_Char_Code (UI_To_CC (Char_Literal_Value (Node)));
1133             Write_Char (''');
1134
1135          when N_Code_Statement =>
1136             Write_Indent;
1137             Set_Debug_Sloc;
1138             Sprint_Node (Expression (Node));
1139             Write_Char (';');
1140
1141          when N_Compilation_Unit =>
1142             Sprint_Node_List (Context_Items (Node));
1143             Sprint_Opt_Node_List (Declarations (Aux_Decls_Node (Node)));
1144
1145             if Private_Present (Node) then
1146                Write_Indent_Str ("private ");
1147                Indent_Annull;
1148             end if;
1149
1150             Sprint_Node_Sloc (Unit (Node));
1151
1152             if Present (Actions (Aux_Decls_Node (Node)))
1153                  or else
1154                Present (Pragmas_After (Aux_Decls_Node (Node)))
1155             then
1156                Write_Indent;
1157             end if;
1158
1159             Sprint_Opt_Node_List (Actions (Aux_Decls_Node (Node)));
1160             Sprint_Opt_Node_List (Pragmas_After (Aux_Decls_Node (Node)));
1161
1162          when N_Compilation_Unit_Aux =>
1163             null; -- nothing to do, never used, see above
1164
1165          when N_Component_Association =>
1166             Set_Debug_Sloc;
1167             Sprint_Bar_List (Choices (Node));
1168             Write_Str (" => ");
1169
1170             --  Ada 2005 (AI-287): Print the box if present
1171
1172             if Box_Present (Node) then
1173                Write_Str_With_Col_Check ("<>");
1174             else
1175                Sprint_Node (Expression (Node));
1176             end if;
1177
1178          when N_Component_Clause =>
1179             Write_Indent;
1180             Sprint_Node (Component_Name (Node));
1181             Write_Str_Sloc (" at ");
1182             Sprint_Node (Position (Node));
1183             Write_Char (' ');
1184             Write_Str_With_Col_Check ("range ");
1185             Sprint_Node (First_Bit (Node));
1186             Write_Str (" .. ");
1187             Sprint_Node (Last_Bit (Node));
1188             Write_Char (';');
1189
1190          when N_Component_Definition =>
1191             Set_Debug_Sloc;
1192
1193             --  Ada 2005 (AI-230): Access definition components
1194
1195             if Present (Access_Definition (Node)) then
1196                Sprint_Node (Access_Definition (Node));
1197
1198             elsif Present (Subtype_Indication (Node)) then
1199                if Aliased_Present (Node) then
1200                   Write_Str_With_Col_Check ("aliased ");
1201                end if;
1202
1203                --  Ada 2005 (AI-231)
1204
1205                if Null_Exclusion_Present (Node) then
1206                   Write_Str (" not null ");
1207                end if;
1208
1209                Sprint_Node (Subtype_Indication (Node));
1210
1211             else
1212                Write_Str (" ??? ");
1213             end if;
1214
1215          when N_Component_Declaration =>
1216             if Write_Indent_Identifiers_Sloc (Node) then
1217                Write_Str (" : ");
1218                Sprint_Node (Component_Definition (Node));
1219
1220                if Present (Expression (Node)) then
1221                   Write_Str (" := ");
1222                   Sprint_Node (Expression (Node));
1223                end if;
1224
1225                Write_Char (';');
1226             end if;
1227
1228          when N_Component_List =>
1229             if Null_Present (Node) then
1230                Indent_Begin;
1231                Write_Indent_Str_Sloc ("null");
1232                Write_Char (';');
1233                Indent_End;
1234
1235             else
1236                Set_Debug_Sloc;
1237                Sprint_Indented_List (Component_Items (Node));
1238                Sprint_Node (Variant_Part (Node));
1239             end if;
1240
1241          when N_Conditional_Entry_Call =>
1242             Write_Indent_Str_Sloc ("select");
1243             Indent_Begin;
1244             Sprint_Node (Entry_Call_Alternative (Node));
1245             Indent_End;
1246             Write_Indent_Str ("else");
1247             Sprint_Indented_List (Else_Statements (Node));
1248             Write_Indent_Str ("end select;");
1249
1250          when N_Conditional_Expression =>
1251             declare
1252                Condition : constant Node_Id := First (Expressions (Node));
1253                Then_Expr : constant Node_Id := Next (Condition);
1254
1255             begin
1256                Write_Str_With_Col_Check_Sloc ("(if ");
1257                Sprint_Node (Condition);
1258                Write_Str_With_Col_Check (" then ");
1259
1260                --  Defense against junk here!
1261
1262                if Present (Then_Expr) then
1263                   Sprint_Node (Then_Expr);
1264                   Write_Str_With_Col_Check (" else ");
1265                   Sprint_Node (Next (Then_Expr));
1266                end if;
1267
1268                Write_Char (')');
1269             end;
1270
1271          when N_Constrained_Array_Definition =>
1272             Write_Str_With_Col_Check_Sloc ("array ");
1273             Sprint_Paren_Comma_List (Discrete_Subtype_Definitions (Node));
1274             Write_Str (" of ");
1275
1276             Sprint_Node (Component_Definition (Node));
1277
1278          when N_Decimal_Fixed_Point_Definition =>
1279             Write_Str_With_Col_Check_Sloc (" delta ");
1280             Sprint_Node (Delta_Expression (Node));
1281             Write_Str_With_Col_Check ("digits ");
1282             Sprint_Node (Digits_Expression (Node));
1283             Sprint_Opt_Node (Real_Range_Specification (Node));
1284
1285          when N_Defining_Character_Literal =>
1286             Write_Name_With_Col_Check_Sloc (Chars (Node));
1287
1288          when N_Defining_Identifier =>
1289             Set_Debug_Sloc;
1290             Write_Id (Node);
1291
1292          when N_Defining_Operator_Symbol =>
1293             Write_Name_With_Col_Check_Sloc (Chars (Node));
1294
1295          when N_Defining_Program_Unit_Name =>
1296             Set_Debug_Sloc;
1297             Sprint_Node (Name (Node));
1298             Write_Char ('.');
1299             Write_Id (Defining_Identifier (Node));
1300
1301          when N_Delay_Alternative =>
1302             Sprint_Node_List (Pragmas_Before (Node));
1303
1304             if Present (Condition (Node)) then
1305                Write_Indent;
1306                Write_Str_With_Col_Check ("when ");
1307                Sprint_Node (Condition (Node));
1308                Write_Str (" => ");
1309                Indent_Annull;
1310             end if;
1311
1312             Sprint_Node_Sloc (Delay_Statement (Node));
1313             Sprint_Node_List (Statements (Node));
1314
1315          when N_Delay_Relative_Statement =>
1316             Write_Indent_Str_Sloc ("delay ");
1317             Sprint_Node (Expression (Node));
1318             Write_Char (';');
1319
1320          when N_Delay_Until_Statement =>
1321             Write_Indent_Str_Sloc ("delay until ");
1322             Sprint_Node (Expression (Node));
1323             Write_Char (';');
1324
1325          when N_Delta_Constraint =>
1326             Write_Str_With_Col_Check_Sloc ("delta ");
1327             Sprint_Node (Delta_Expression (Node));
1328             Sprint_Opt_Node (Range_Constraint (Node));
1329
1330          when N_Derived_Type_Definition =>
1331             if Abstract_Present (Node) then
1332                Write_Str_With_Col_Check ("abstract ");
1333             end if;
1334
1335             Write_Str_With_Col_Check_Sloc ("new ");
1336
1337             --  Ada 2005 (AI-231)
1338
1339             if Null_Exclusion_Present (Node) then
1340                Write_Str_With_Col_Check ("not null ");
1341             end if;
1342
1343             Sprint_Node (Subtype_Indication (Node));
1344
1345             if Present (Interface_List (Node)) then
1346                Write_Str_With_Col_Check (" and ");
1347                Sprint_And_List (Interface_List (Node));
1348                Write_Str_With_Col_Check (" with ");
1349             end if;
1350
1351             if Present (Record_Extension_Part (Node)) then
1352                if No (Interface_List (Node)) then
1353                   Write_Str_With_Col_Check (" with ");
1354                end if;
1355
1356                Sprint_Node (Record_Extension_Part (Node));
1357             end if;
1358
1359          when N_Designator =>
1360             Sprint_Node (Name (Node));
1361             Write_Char_Sloc ('.');
1362             Write_Id (Identifier (Node));
1363
1364          when N_Digits_Constraint =>
1365             Write_Str_With_Col_Check_Sloc ("digits ");
1366             Sprint_Node (Digits_Expression (Node));
1367             Sprint_Opt_Node (Range_Constraint (Node));
1368
1369          when N_Discriminant_Association =>
1370             Set_Debug_Sloc;
1371
1372             if Present (Selector_Names (Node)) then
1373                Sprint_Bar_List (Selector_Names (Node));
1374                Write_Str (" => ");
1375             end if;
1376
1377             Set_Debug_Sloc;
1378             Sprint_Node (Expression (Node));
1379
1380          when N_Discriminant_Specification =>
1381             Set_Debug_Sloc;
1382
1383             if Write_Identifiers (Node) then
1384                Write_Str (" : ");
1385
1386                if Null_Exclusion_Present (Node) then
1387                   Write_Str ("not null ");
1388                end if;
1389
1390                Sprint_Node (Discriminant_Type (Node));
1391
1392                if Present (Expression (Node)) then
1393                   Write_Str (" := ");
1394                   Sprint_Node (Expression (Node));
1395                end if;
1396             else
1397                Write_Str (", ");
1398             end if;
1399
1400          when N_Elsif_Part =>
1401             Write_Indent_Str_Sloc ("elsif ");
1402             Sprint_Node (Condition (Node));
1403             Write_Str_With_Col_Check (" then");
1404             Sprint_Indented_List (Then_Statements (Node));
1405
1406          when N_Empty =>
1407             null;
1408
1409          when N_Entry_Body =>
1410             Write_Indent_Str_Sloc ("entry ");
1411             Write_Id (Defining_Identifier (Node));
1412             Sprint_Node (Entry_Body_Formal_Part (Node));
1413             Write_Str_With_Col_Check (" is");
1414             Sprint_Indented_List (Declarations (Node));
1415             Write_Indent_Str ("begin");
1416             Sprint_Node (Handled_Statement_Sequence (Node));
1417             Write_Indent_Str ("end ");
1418             Write_Id (Defining_Identifier (Node));
1419             Write_Char (';');
1420
1421          when N_Entry_Body_Formal_Part =>
1422             if Present (Entry_Index_Specification (Node)) then
1423                Write_Str_With_Col_Check_Sloc (" (");
1424                Sprint_Node (Entry_Index_Specification (Node));
1425                Write_Char (')');
1426             end if;
1427
1428             Write_Param_Specs (Node);
1429             Write_Str_With_Col_Check_Sloc (" when ");
1430             Sprint_Node (Condition (Node));
1431
1432          when N_Entry_Call_Alternative =>
1433             Sprint_Node_List (Pragmas_Before (Node));
1434             Sprint_Node_Sloc (Entry_Call_Statement (Node));
1435             Sprint_Node_List (Statements (Node));
1436
1437          when N_Entry_Call_Statement =>
1438             Write_Indent;
1439             Sprint_Node_Sloc (Name (Node));
1440             Sprint_Opt_Paren_Comma_List (Parameter_Associations (Node));
1441             Write_Char (';');
1442
1443          when N_Entry_Declaration =>
1444             Write_Indent_Str_Sloc ("entry ");
1445             Write_Id (Defining_Identifier (Node));
1446
1447             if Present (Discrete_Subtype_Definition (Node)) then
1448                Write_Str_With_Col_Check (" (");
1449                Sprint_Node (Discrete_Subtype_Definition (Node));
1450                Write_Char (')');
1451             end if;
1452
1453             Write_Param_Specs (Node);
1454             Write_Char (';');
1455
1456          when N_Entry_Index_Specification =>
1457             Write_Str_With_Col_Check_Sloc ("for ");
1458             Write_Id (Defining_Identifier (Node));
1459             Write_Str_With_Col_Check (" in ");
1460             Sprint_Node (Discrete_Subtype_Definition (Node));
1461
1462          when N_Enumeration_Representation_Clause =>
1463             Write_Indent_Str_Sloc ("for ");
1464             Write_Id (Identifier (Node));
1465             Write_Str_With_Col_Check (" use ");
1466             Sprint_Node (Array_Aggregate (Node));
1467             Write_Char (';');
1468
1469          when N_Enumeration_Type_Definition =>
1470             Set_Debug_Sloc;
1471
1472             --  Skip attempt to print Literals field if it's not there and
1473             --  we are in package Standard (case of Character, which is
1474             --  handled specially (without an explicit literals list).
1475
1476             if Sloc (Node) > Standard_Location
1477               or else Present (Literals (Node))
1478             then
1479                Sprint_Paren_Comma_List (Literals (Node));
1480             end if;
1481
1482          when N_Error =>
1483             Write_Str_With_Col_Check_Sloc ("<error>");
1484
1485          when N_Exception_Declaration =>
1486             if Write_Indent_Identifiers (Node) then
1487                Write_Str_With_Col_Check (" : ");
1488
1489                if Is_Statically_Allocated (Defining_Identifier (Node)) then
1490                   Write_Str_With_Col_Check ("static ");
1491                end if;
1492
1493                Write_Str_Sloc ("exception");
1494
1495                if Present (Expression (Node)) then
1496                   Write_Str (" := ");
1497                   Sprint_Node (Expression (Node));
1498                end if;
1499
1500                Write_Char (';');
1501             end if;
1502
1503          when N_Exception_Handler =>
1504             Write_Indent_Str_Sloc ("when ");
1505
1506             if Present (Choice_Parameter (Node)) then
1507                Sprint_Node (Choice_Parameter (Node));
1508                Write_Str (" : ");
1509             end if;
1510
1511             Sprint_Bar_List (Exception_Choices (Node));
1512             Write_Str (" => ");
1513             Sprint_Indented_List (Statements (Node));
1514
1515          when N_Exception_Renaming_Declaration =>
1516             Write_Indent;
1517             Set_Debug_Sloc;
1518             Sprint_Node (Defining_Identifier (Node));
1519             Write_Str_With_Col_Check (" : exception renames ");
1520             Sprint_Node (Name (Node));
1521             Write_Char (';');
1522
1523          when N_Exit_Statement =>
1524             Write_Indent_Str_Sloc ("exit");
1525             Sprint_Opt_Node (Name (Node));
1526
1527             if Present (Condition (Node)) then
1528                Write_Str_With_Col_Check (" when ");
1529                Sprint_Node (Condition (Node));
1530             end if;
1531
1532             Write_Char (';');
1533
1534          when N_Expanded_Name =>
1535             Sprint_Node (Prefix (Node));
1536             Write_Char_Sloc ('.');
1537             Sprint_Node (Selector_Name (Node));
1538
1539          when N_Explicit_Dereference =>
1540             Sprint_Node (Prefix (Node));
1541             Write_Char_Sloc ('.');
1542             Write_Str_Sloc ("all");
1543
1544          when N_Expression_With_Actions =>
1545             Indent_Begin;
1546             Write_Indent_Str_Sloc ("do ");
1547             Indent_Begin;
1548             Sprint_Node_List (Actions (Node));
1549             Indent_End;
1550             Write_Indent;
1551             Write_Str_With_Col_Check_Sloc ("in ");
1552             Sprint_Node (Expression (Node));
1553             Write_Str_With_Col_Check (" end");
1554             Indent_End;
1555             Write_Indent;
1556
1557          when N_Extended_Return_Statement =>
1558             Write_Indent_Str_Sloc ("return ");
1559             Sprint_Node_List (Return_Object_Declarations (Node));
1560
1561             if Present (Handled_Statement_Sequence (Node)) then
1562                Write_Str_With_Col_Check (" do");
1563                Sprint_Node (Handled_Statement_Sequence (Node));
1564                Write_Indent_Str ("end return;");
1565             else
1566                Write_Indent_Str (";");
1567             end if;
1568
1569          when N_Extension_Aggregate =>
1570             Write_Str_With_Col_Check_Sloc ("(");
1571             Sprint_Node (Ancestor_Part (Node));
1572             Write_Str_With_Col_Check (" with ");
1573
1574             if Null_Record_Present (Node) then
1575                Write_Str_With_Col_Check ("null record");
1576             else
1577                if Present (Expressions (Node)) then
1578                   Sprint_Comma_List (Expressions (Node));
1579
1580                   if Present (Component_Associations (Node)) then
1581                      Write_Str (", ");
1582                   end if;
1583                end if;
1584
1585                if Present (Component_Associations (Node)) then
1586                   Sprint_Comma_List (Component_Associations (Node));
1587                end if;
1588             end if;
1589
1590             Write_Char (')');
1591
1592          when N_Floating_Point_Definition =>
1593             Write_Str_With_Col_Check_Sloc ("digits ");
1594             Sprint_Node (Digits_Expression (Node));
1595             Sprint_Opt_Node (Real_Range_Specification (Node));
1596
1597          when N_Formal_Decimal_Fixed_Point_Definition =>
1598             Write_Str_With_Col_Check_Sloc ("delta <> digits <>");
1599
1600          when N_Formal_Derived_Type_Definition =>
1601             Write_Str_With_Col_Check_Sloc ("new ");
1602             Sprint_Node (Subtype_Mark (Node));
1603
1604             if Present (Interface_List (Node)) then
1605                Write_Str_With_Col_Check (" and ");
1606                Sprint_And_List (Interface_List (Node));
1607             end if;
1608
1609             if Private_Present (Node) then
1610                Write_Str_With_Col_Check (" with private");
1611             end if;
1612
1613          when N_Formal_Abstract_Subprogram_Declaration =>
1614             Write_Indent_Str_Sloc ("with ");
1615             Sprint_Node (Specification (Node));
1616
1617             Write_Str_With_Col_Check (" is abstract");
1618
1619             if Box_Present (Node) then
1620                Write_Str_With_Col_Check (" <>");
1621             elsif Present (Default_Name (Node)) then
1622                Write_Str_With_Col_Check (" ");
1623                Sprint_Node (Default_Name (Node));
1624             end if;
1625
1626             Write_Char (';');
1627
1628          when N_Formal_Concrete_Subprogram_Declaration =>
1629             Write_Indent_Str_Sloc ("with ");
1630             Sprint_Node (Specification (Node));
1631
1632             if Box_Present (Node) then
1633                Write_Str_With_Col_Check (" is <>");
1634             elsif Present (Default_Name (Node)) then
1635                Write_Str_With_Col_Check (" is ");
1636                Sprint_Node (Default_Name (Node));
1637             end if;
1638
1639             Write_Char (';');
1640
1641          when N_Formal_Discrete_Type_Definition =>
1642             Write_Str_With_Col_Check_Sloc ("<>");
1643
1644          when N_Formal_Floating_Point_Definition =>
1645             Write_Str_With_Col_Check_Sloc ("digits <>");
1646
1647          when N_Formal_Modular_Type_Definition =>
1648             Write_Str_With_Col_Check_Sloc ("mod <>");
1649
1650          when N_Formal_Object_Declaration =>
1651             Set_Debug_Sloc;
1652
1653             if Write_Indent_Identifiers (Node) then
1654                Write_Str (" : ");
1655
1656                if In_Present (Node) then
1657                   Write_Str_With_Col_Check ("in ");
1658                end if;
1659
1660                if Out_Present (Node) then
1661                   Write_Str_With_Col_Check ("out ");
1662                end if;
1663
1664                if Present (Subtype_Mark (Node)) then
1665
1666                   --  Ada 2005 (AI-423): Formal object with null exclusion
1667
1668                   if Null_Exclusion_Present (Node) then
1669                      Write_Str ("not null ");
1670                   end if;
1671
1672                   Sprint_Node (Subtype_Mark (Node));
1673
1674                --  Ada 2005 (AI-423): Formal object with access definition
1675
1676                else
1677                   pragma Assert (Present (Access_Definition (Node)));
1678
1679                   Sprint_Node (Access_Definition (Node));
1680                end if;
1681
1682                if Present (Default_Expression (Node)) then
1683                   Write_Str (" := ");
1684                   Sprint_Node (Default_Expression (Node));
1685                end if;
1686
1687                Write_Char (';');
1688             end if;
1689
1690          when N_Formal_Ordinary_Fixed_Point_Definition =>
1691             Write_Str_With_Col_Check_Sloc ("delta <>");
1692
1693          when N_Formal_Package_Declaration =>
1694             Write_Indent_Str_Sloc ("with package ");
1695             Write_Id (Defining_Identifier (Node));
1696             Write_Str_With_Col_Check (" is new ");
1697             Sprint_Node (Name (Node));
1698             Write_Str_With_Col_Check (" (<>);");
1699
1700          when N_Formal_Private_Type_Definition =>
1701             if Abstract_Present (Node) then
1702                Write_Str_With_Col_Check ("abstract ");
1703             end if;
1704
1705             if Tagged_Present (Node) then
1706                Write_Str_With_Col_Check ("tagged ");
1707             end if;
1708
1709             if Limited_Present (Node) then
1710                Write_Str_With_Col_Check ("limited ");
1711             end if;
1712
1713             Write_Str_With_Col_Check_Sloc ("private");
1714
1715          when N_Formal_Signed_Integer_Type_Definition =>
1716             Write_Str_With_Col_Check_Sloc ("range <>");
1717
1718          when N_Formal_Type_Declaration =>
1719             Write_Indent_Str_Sloc ("type ");
1720             Write_Id (Defining_Identifier (Node));
1721
1722             if Present (Discriminant_Specifications (Node)) then
1723                Write_Discr_Specs (Node);
1724             elsif Unknown_Discriminants_Present (Node) then
1725                Write_Str_With_Col_Check ("(<>)");
1726             end if;
1727
1728             Write_Str_With_Col_Check (" is ");
1729             Sprint_Node (Formal_Type_Definition (Node));
1730             Write_Char (';');
1731
1732          when N_Free_Statement =>
1733             Write_Indent_Str_Sloc ("free ");
1734             Sprint_Node (Expression (Node));
1735             Write_Char (';');
1736
1737          when N_Freeze_Entity =>
1738             if Dump_Original_Only then
1739                null;
1740
1741             elsif Present (Actions (Node)) or else Dump_Freeze_Null then
1742                Write_Indent;
1743                Write_Rewrite_Str ("<<<");
1744                Write_Str_With_Col_Check_Sloc ("freeze ");
1745                Write_Id (Entity (Node));
1746                Write_Str (" [");
1747
1748                if No (Actions (Node)) then
1749                   Write_Char (']');
1750
1751                else
1752                   --  Output freeze actions. We increment Freeze_Indent during
1753                   --  this output to avoid generating extra blank lines before
1754                   --  any procedures included in the freeze actions.
1755
1756                   Freeze_Indent := Freeze_Indent + 1;
1757                   Sprint_Indented_List (Actions (Node));
1758                   Freeze_Indent := Freeze_Indent - 1;
1759                   Write_Indent_Str ("]");
1760                end if;
1761
1762                Write_Rewrite_Str (">>>");
1763             end if;
1764
1765          when N_Full_Type_Declaration =>
1766             Write_Indent_Str_Sloc ("type ");
1767             Sprint_Node (Defining_Identifier (Node));
1768             Write_Discr_Specs (Node);
1769             Write_Str_With_Col_Check (" is ");
1770             Sprint_Node (Type_Definition (Node));
1771             Write_Char (';');
1772
1773          when N_Function_Call =>
1774             Set_Debug_Sloc;
1775             Write_Subprogram_Name (Name (Node));
1776             Sprint_Opt_Paren_Comma_List (Parameter_Associations (Node));
1777
1778          when N_Function_Instantiation =>
1779             Write_Indent_Str_Sloc ("function ");
1780             Sprint_Node (Defining_Unit_Name (Node));
1781             Write_Str_With_Col_Check (" is new ");
1782             Sprint_Node (Name (Node));
1783             Sprint_Opt_Paren_Comma_List (Generic_Associations (Node));
1784             Write_Char (';');
1785
1786          when N_Function_Specification =>
1787             Write_Str_With_Col_Check_Sloc ("function ");
1788             Sprint_Node (Defining_Unit_Name (Node));
1789             Write_Param_Specs (Node);
1790             Write_Str_With_Col_Check (" return ");
1791
1792             --  Ada 2005 (AI-231)
1793
1794             if Nkind (Result_Definition (Node)) /= N_Access_Definition
1795               and then Null_Exclusion_Present (Node)
1796             then
1797                Write_Str (" not null ");
1798             end if;
1799
1800             Sprint_Node (Result_Definition (Node));
1801
1802          when N_Generic_Association =>
1803             Set_Debug_Sloc;
1804
1805             if Present (Selector_Name (Node)) then
1806                Sprint_Node (Selector_Name (Node));
1807                Write_Str (" => ");
1808             end if;
1809
1810             Sprint_Node (Explicit_Generic_Actual_Parameter (Node));
1811
1812          when N_Generic_Function_Renaming_Declaration =>
1813             Write_Indent_Str_Sloc ("generic function ");
1814             Sprint_Node (Defining_Unit_Name (Node));
1815             Write_Str_With_Col_Check (" renames ");
1816             Sprint_Node (Name (Node));
1817             Write_Char (';');
1818
1819          when N_Generic_Package_Declaration =>
1820             Extra_Blank_Line;
1821             Write_Indent_Str_Sloc ("generic ");
1822             Sprint_Indented_List (Generic_Formal_Declarations (Node));
1823             Write_Indent;
1824             Sprint_Node (Specification (Node));
1825             Write_Char (';');
1826
1827          when N_Generic_Package_Renaming_Declaration =>
1828             Write_Indent_Str_Sloc ("generic package ");
1829             Sprint_Node (Defining_Unit_Name (Node));
1830             Write_Str_With_Col_Check (" renames ");
1831             Sprint_Node (Name (Node));
1832             Write_Char (';');
1833
1834          when N_Generic_Procedure_Renaming_Declaration =>
1835             Write_Indent_Str_Sloc ("generic procedure ");
1836             Sprint_Node (Defining_Unit_Name (Node));
1837             Write_Str_With_Col_Check (" renames ");
1838             Sprint_Node (Name (Node));
1839             Write_Char (';');
1840
1841          when N_Generic_Subprogram_Declaration =>
1842             Extra_Blank_Line;
1843             Write_Indent_Str_Sloc ("generic ");
1844             Sprint_Indented_List (Generic_Formal_Declarations (Node));
1845             Write_Indent;
1846             Sprint_Node (Specification (Node));
1847             Write_Char (';');
1848
1849          when N_Goto_Statement =>
1850             Write_Indent_Str_Sloc ("goto ");
1851             Sprint_Node (Name (Node));
1852             Write_Char (';');
1853
1854             if Nkind (Next (Node)) = N_Label then
1855                Write_Indent;
1856             end if;
1857
1858          when N_Handled_Sequence_Of_Statements =>
1859             Set_Debug_Sloc;
1860             Sprint_Indented_List (Statements (Node));
1861
1862             if Present (Exception_Handlers (Node)) then
1863                Write_Indent_Str ("exception");
1864                Indent_Begin;
1865                Sprint_Node_List (Exception_Handlers (Node));
1866                Indent_End;
1867             end if;
1868
1869             if Present (At_End_Proc (Node)) then
1870                Write_Indent_Str ("at end");
1871                Indent_Begin;
1872                Write_Indent;
1873                Sprint_Node (At_End_Proc (Node));
1874                Write_Char (';');
1875                Indent_End;
1876             end if;
1877
1878          when N_Identifier =>
1879             Set_Debug_Sloc;
1880             Write_Id (Node);
1881
1882          when N_If_Statement =>
1883             Write_Indent_Str_Sloc ("if ");
1884             Sprint_Node (Condition (Node));
1885             Write_Str_With_Col_Check (" then");
1886             Sprint_Indented_List (Then_Statements (Node));
1887             Sprint_Opt_Node_List (Elsif_Parts (Node));
1888
1889             if Present (Else_Statements (Node)) then
1890                Write_Indent_Str ("else");
1891                Sprint_Indented_List (Else_Statements (Node));
1892             end if;
1893
1894             Write_Indent_Str ("end if;");
1895
1896          when N_Implicit_Label_Declaration =>
1897             if not Dump_Original_Only then
1898                Write_Indent;
1899                Write_Rewrite_Str ("<<<");
1900                Set_Debug_Sloc;
1901                Write_Id (Defining_Identifier (Node));
1902                Write_Str (" : ");
1903                Write_Str_With_Col_Check ("label");
1904                Write_Rewrite_Str (">>>");
1905             end if;
1906
1907          when N_In =>
1908             Sprint_Left_Opnd (Node);
1909             Write_Str_Sloc (" in ");
1910
1911             if Present (Right_Opnd (Node)) then
1912                Sprint_Right_Opnd (Node);
1913             else
1914                Sprint_Bar_List (Alternatives (Node));
1915             end if;
1916
1917          when N_Incomplete_Type_Declaration =>
1918             Write_Indent_Str_Sloc ("type ");
1919             Write_Id (Defining_Identifier (Node));
1920
1921             if Present (Discriminant_Specifications (Node)) then
1922                Write_Discr_Specs (Node);
1923             elsif Unknown_Discriminants_Present (Node) then
1924                Write_Str_With_Col_Check ("(<>)");
1925             end if;
1926
1927             Write_Char (';');
1928
1929          when N_Index_Or_Discriminant_Constraint =>
1930             Set_Debug_Sloc;
1931             Sprint_Paren_Comma_List (Constraints (Node));
1932
1933          when N_Indexed_Component =>
1934             Sprint_Node_Sloc (Prefix (Node));
1935             Sprint_Opt_Paren_Comma_List (Expressions (Node));
1936
1937          when N_Integer_Literal =>
1938             if Print_In_Hex (Node) then
1939                Write_Uint_With_Col_Check_Sloc (Intval (Node), Hex);
1940             else
1941                Write_Uint_With_Col_Check_Sloc (Intval (Node), Auto);
1942             end if;
1943
1944          when N_Iteration_Scheme =>
1945             if Present (Condition (Node)) then
1946                Write_Str_With_Col_Check_Sloc ("while ");
1947                Sprint_Node (Condition (Node));
1948             else
1949                Write_Str_With_Col_Check_Sloc ("for ");
1950                Sprint_Node (Loop_Parameter_Specification (Node));
1951             end if;
1952
1953             Write_Char (' ');
1954
1955          when N_Itype_Reference =>
1956             Write_Indent_Str_Sloc ("reference ");
1957             Write_Id (Itype (Node));
1958
1959          when N_Label =>
1960             Write_Indent_Str_Sloc ("<<");
1961             Write_Id (Identifier (Node));
1962             Write_Str (">>");
1963
1964          when N_Loop_Parameter_Specification =>
1965             Set_Debug_Sloc;
1966             Write_Id (Defining_Identifier (Node));
1967             Write_Str_With_Col_Check (" in ");
1968
1969             if Reverse_Present (Node) then
1970                Write_Str_With_Col_Check ("reverse ");
1971             end if;
1972
1973             Sprint_Node (Discrete_Subtype_Definition (Node));
1974
1975          when N_Loop_Statement =>
1976             Write_Indent;
1977
1978             if Present (Identifier (Node))
1979               and then (not Has_Created_Identifier (Node)
1980                           or else not Dump_Original_Only)
1981             then
1982                Write_Rewrite_Str ("<<<");
1983                Write_Id (Identifier (Node));
1984                Write_Str (" : ");
1985                Write_Rewrite_Str (">>>");
1986                Sprint_Node (Iteration_Scheme (Node));
1987                Write_Str_With_Col_Check_Sloc ("loop");
1988                Sprint_Indented_List (Statements (Node));
1989                Write_Indent_Str ("end loop ");
1990                Write_Rewrite_Str ("<<<");
1991                Write_Id (Identifier (Node));
1992                Write_Rewrite_Str (">>>");
1993                Write_Char (';');
1994
1995             else
1996                Sprint_Node (Iteration_Scheme (Node));
1997                Write_Str_With_Col_Check_Sloc ("loop");
1998                Sprint_Indented_List (Statements (Node));
1999                Write_Indent_Str ("end loop;");
2000             end if;
2001
2002          when N_Mod_Clause =>
2003             Sprint_Node_List (Pragmas_Before (Node));
2004             Write_Str_With_Col_Check_Sloc ("at mod ");
2005             Sprint_Node (Expression (Node));
2006
2007          when N_Modular_Type_Definition =>
2008             Write_Str_With_Col_Check_Sloc ("mod ");
2009             Sprint_Node (Expression (Node));
2010
2011          when N_Not_In =>
2012             Sprint_Left_Opnd (Node);
2013             Write_Str_Sloc (" not in ");
2014
2015             if Present (Right_Opnd (Node)) then
2016                Sprint_Right_Opnd (Node);
2017             else
2018                Sprint_Bar_List (Alternatives (Node));
2019             end if;
2020
2021          when N_Null =>
2022             Write_Str_With_Col_Check_Sloc ("null");
2023
2024          when N_Null_Statement =>
2025             if Comes_From_Source (Node)
2026               or else Dump_Freeze_Null
2027               or else not Is_List_Member (Node)
2028               or else (No (Prev (Node)) and then No (Next (Node)))
2029             then
2030                Write_Indent_Str_Sloc ("null;");
2031             end if;
2032
2033          when N_Number_Declaration =>
2034             Set_Debug_Sloc;
2035
2036             if Write_Indent_Identifiers (Node) then
2037                Write_Str_With_Col_Check (" : constant ");
2038                Write_Str (" := ");
2039                Sprint_Node (Expression (Node));
2040                Write_Char (';');
2041             end if;
2042
2043          when N_Object_Declaration =>
2044             Set_Debug_Sloc;
2045
2046             if Write_Indent_Identifiers (Node) then
2047                declare
2048                   Def_Id : constant Entity_Id := Defining_Identifier (Node);
2049
2050                begin
2051                   Write_Str_With_Col_Check (" : ");
2052
2053                   if Is_Statically_Allocated (Def_Id) then
2054                      Write_Str_With_Col_Check ("static ");
2055                   end if;
2056
2057                   if Aliased_Present (Node) then
2058                      Write_Str_With_Col_Check ("aliased ");
2059                   end if;
2060
2061                   if Constant_Present (Node) then
2062                      Write_Str_With_Col_Check ("constant ");
2063                   end if;
2064
2065                   --  Ada 2005 (AI-231)
2066
2067                   if Null_Exclusion_Present (Node) then
2068                      Write_Str_With_Col_Check ("not null ");
2069                   end if;
2070
2071                   Sprint_Node (Object_Definition (Node));
2072
2073                   if Present (Expression (Node)) then
2074                      Write_Str (" := ");
2075                      Sprint_Node (Expression (Node));
2076                   end if;
2077
2078                   Write_Char (';');
2079
2080                   --  Handle implicit importation and implicit exportation of
2081                   --  object declarations:
2082                   --    $pragma import (Convention_Id, Def_Id, "...");
2083                   --    $pragma export (Convention_Id, Def_Id, "...");
2084
2085                   if Is_Internal (Def_Id)
2086                     and then Present (Interface_Name (Def_Id))
2087                   then
2088                      Write_Indent_Str_Sloc ("$pragma ");
2089
2090                      if Is_Imported (Def_Id) then
2091                         Write_Str ("import (");
2092
2093                      else pragma Assert (Is_Exported (Def_Id));
2094                         Write_Str ("export (");
2095                      end if;
2096
2097                      declare
2098                         Prefix : constant String  := "Convention_";
2099                         S      : constant String  := Convention (Def_Id)'Img;
2100
2101                      begin
2102                         Name_Len := S'Last - Prefix'Last;
2103                         Name_Buffer (1 .. Name_Len) :=
2104                           S (Prefix'Last + 1 .. S'Last);
2105                         Set_Casing (All_Lower_Case);
2106                         Write_Str (Name_Buffer (1 .. Name_Len));
2107                      end;
2108
2109                      Write_Str (", ");
2110                      Write_Id  (Def_Id);
2111                      Write_Str (", ");
2112                      Write_String_Table_Entry
2113                        (Strval (Interface_Name (Def_Id)));
2114                      Write_Str (");");
2115                   end if;
2116                end;
2117             end if;
2118
2119          when N_Object_Renaming_Declaration =>
2120             Write_Indent;
2121             Set_Debug_Sloc;
2122             Sprint_Node (Defining_Identifier (Node));
2123             Write_Str (" : ");
2124
2125             --  Ada 2005 (AI-230): Access renamings
2126
2127             if Present (Access_Definition (Node)) then
2128                Sprint_Node (Access_Definition (Node));
2129
2130             elsif Present (Subtype_Mark (Node)) then
2131
2132                --  Ada 2005 (AI-423): Object renaming with a null exclusion
2133
2134                if Null_Exclusion_Present (Node) then
2135                   Write_Str ("not null ");
2136                end if;
2137
2138                Sprint_Node (Subtype_Mark (Node));
2139
2140             else
2141                Write_Str (" ??? ");
2142             end if;
2143
2144             Write_Str_With_Col_Check (" renames ");
2145             Sprint_Node (Name (Node));
2146             Write_Char (';');
2147
2148          when N_Op_Abs =>
2149             Write_Operator (Node, "abs ");
2150             Sprint_Right_Opnd (Node);
2151
2152          when N_Op_Add =>
2153             Sprint_Left_Opnd (Node);
2154             Write_Operator (Node, " + ");
2155             Sprint_Right_Opnd (Node);
2156
2157          when N_Op_And =>
2158             Sprint_Left_Opnd (Node);
2159             Write_Operator (Node, " and ");
2160             Sprint_Right_Opnd (Node);
2161
2162          when N_Op_Concat =>
2163             Sprint_Left_Opnd (Node);
2164             Write_Operator (Node, " & ");
2165             Sprint_Right_Opnd (Node);
2166
2167          when N_Op_Divide =>
2168             Sprint_Left_Opnd (Node);
2169             Write_Char (' ');
2170             Process_TFAI_RR_Flags (Node);
2171             Write_Operator (Node, "/ ");
2172             Sprint_Right_Opnd (Node);
2173
2174          when N_Op_Eq =>
2175             Sprint_Left_Opnd (Node);
2176             Write_Operator (Node, " = ");
2177             Sprint_Right_Opnd (Node);
2178
2179          when N_Op_Expon =>
2180             Sprint_Left_Opnd (Node);
2181             Write_Operator (Node, " ** ");
2182             Sprint_Right_Opnd (Node);
2183
2184          when N_Op_Ge =>
2185             Sprint_Left_Opnd (Node);
2186             Write_Operator (Node, " >= ");
2187             Sprint_Right_Opnd (Node);
2188
2189          when N_Op_Gt =>
2190             Sprint_Left_Opnd (Node);
2191             Write_Operator (Node, " > ");
2192             Sprint_Right_Opnd (Node);
2193
2194          when N_Op_Le =>
2195             Sprint_Left_Opnd (Node);
2196             Write_Operator (Node, " <= ");
2197             Sprint_Right_Opnd (Node);
2198
2199          when N_Op_Lt =>
2200             Sprint_Left_Opnd (Node);
2201             Write_Operator (Node, " < ");
2202             Sprint_Right_Opnd (Node);
2203
2204          when N_Op_Minus =>
2205             Write_Operator (Node, "-");
2206             Sprint_Right_Opnd (Node);
2207
2208          when N_Op_Mod =>
2209             Sprint_Left_Opnd (Node);
2210
2211             if Treat_Fixed_As_Integer (Node) then
2212                Write_Str (" #");
2213             end if;
2214
2215             Write_Operator (Node, " mod ");
2216             Sprint_Right_Opnd (Node);
2217
2218          when N_Op_Multiply =>
2219             Sprint_Left_Opnd (Node);
2220             Write_Char (' ');
2221             Process_TFAI_RR_Flags (Node);
2222             Write_Operator (Node, "* ");
2223             Sprint_Right_Opnd (Node);
2224
2225          when N_Op_Ne =>
2226             Sprint_Left_Opnd (Node);
2227             Write_Operator (Node, " /= ");
2228             Sprint_Right_Opnd (Node);
2229
2230          when N_Op_Not =>
2231             Write_Operator (Node, "not ");
2232             Sprint_Right_Opnd (Node);
2233
2234          when N_Op_Or =>
2235             Sprint_Left_Opnd (Node);
2236             Write_Operator (Node, " or ");
2237             Sprint_Right_Opnd (Node);
2238
2239          when N_Op_Plus =>
2240             Write_Operator (Node, "+");
2241             Sprint_Right_Opnd (Node);
2242
2243          when N_Op_Rem =>
2244             Sprint_Left_Opnd (Node);
2245
2246             if Treat_Fixed_As_Integer (Node) then
2247                Write_Str (" #");
2248             end if;
2249
2250             Write_Operator (Node, " rem ");
2251             Sprint_Right_Opnd (Node);
2252
2253          when N_Op_Shift =>
2254             Set_Debug_Sloc;
2255             Write_Id (Node);
2256             Write_Char ('!');
2257             Write_Str_With_Col_Check ("(");
2258             Sprint_Node (Left_Opnd (Node));
2259             Write_Str (", ");
2260             Sprint_Node (Right_Opnd (Node));
2261             Write_Char (')');
2262
2263          when N_Op_Subtract =>
2264             Sprint_Left_Opnd (Node);
2265             Write_Operator (Node, " - ");
2266             Sprint_Right_Opnd (Node);
2267
2268          when N_Op_Xor =>
2269             Sprint_Left_Opnd (Node);
2270             Write_Operator (Node, " xor ");
2271             Sprint_Right_Opnd (Node);
2272
2273          when N_Operator_Symbol =>
2274             Write_Name_With_Col_Check_Sloc (Chars (Node));
2275
2276          when N_Ordinary_Fixed_Point_Definition =>
2277             Write_Str_With_Col_Check_Sloc ("delta ");
2278             Sprint_Node (Delta_Expression (Node));
2279             Sprint_Opt_Node (Real_Range_Specification (Node));
2280
2281          when N_Or_Else =>
2282             Sprint_Left_Opnd (Node);
2283             Write_Str_Sloc (" or else ");
2284             Sprint_Right_Opnd (Node);
2285
2286          when N_Others_Choice =>
2287             if All_Others (Node) then
2288                Write_Str_With_Col_Check ("all ");
2289             end if;
2290
2291             Write_Str_With_Col_Check_Sloc ("others");
2292
2293          when N_Package_Body =>
2294             Extra_Blank_Line;
2295             Write_Indent_Str_Sloc ("package body ");
2296             Sprint_Node (Defining_Unit_Name (Node));
2297             Write_Str (" is");
2298             Sprint_Indented_List (Declarations (Node));
2299
2300             if Present (Handled_Statement_Sequence (Node)) then
2301                Write_Indent_Str ("begin");
2302                Sprint_Node (Handled_Statement_Sequence (Node));
2303             end if;
2304
2305             Write_Indent_Str ("end ");
2306             Sprint_End_Label
2307               (Handled_Statement_Sequence (Node), Defining_Unit_Name (Node));
2308             Write_Char (';');
2309
2310          when N_Package_Body_Stub =>
2311             Write_Indent_Str_Sloc ("package body ");
2312             Sprint_Node (Defining_Identifier (Node));
2313             Write_Str_With_Col_Check (" is separate;");
2314
2315          when N_Package_Declaration =>
2316             Extra_Blank_Line;
2317             Write_Indent;
2318             Sprint_Node_Sloc (Specification (Node));
2319             Write_Char (';');
2320
2321          when N_Package_Instantiation =>
2322             Extra_Blank_Line;
2323             Write_Indent_Str_Sloc ("package ");
2324             Sprint_Node (Defining_Unit_Name (Node));
2325             Write_Str (" is new ");
2326             Sprint_Node (Name (Node));
2327             Sprint_Opt_Paren_Comma_List (Generic_Associations (Node));
2328             Write_Char (';');
2329
2330          when N_Package_Renaming_Declaration =>
2331             Write_Indent_Str_Sloc ("package ");
2332             Sprint_Node (Defining_Unit_Name (Node));
2333             Write_Str_With_Col_Check (" renames ");
2334             Sprint_Node (Name (Node));
2335             Write_Char (';');
2336
2337          when N_Package_Specification =>
2338             Write_Str_With_Col_Check_Sloc ("package ");
2339             Sprint_Node (Defining_Unit_Name (Node));
2340             Write_Str (" is");
2341             Sprint_Indented_List (Visible_Declarations (Node));
2342
2343             if Present (Private_Declarations (Node)) then
2344                Write_Indent_Str ("private");
2345                Sprint_Indented_List (Private_Declarations (Node));
2346             end if;
2347
2348             Write_Indent_Str ("end ");
2349             Sprint_Node (Defining_Unit_Name (Node));
2350
2351          when N_Parameter_Association =>
2352             Sprint_Node_Sloc (Selector_Name (Node));
2353             Write_Str (" => ");
2354             Sprint_Node (Explicit_Actual_Parameter (Node));
2355
2356          when N_Parameter_Specification =>
2357             Set_Debug_Sloc;
2358
2359             if Write_Identifiers (Node) then
2360                Write_Str (" : ");
2361
2362                if In_Present (Node) then
2363                   Write_Str_With_Col_Check ("in ");
2364                end if;
2365
2366                if Out_Present (Node) then
2367                   Write_Str_With_Col_Check ("out ");
2368                end if;
2369
2370                --  Ada 2005 (AI-231): Parameter specification may carry null
2371                --  exclusion. Do not print it now if this is an access formal,
2372                --  it is emitted when the access definition is displayed.
2373
2374                if Null_Exclusion_Present (Node)
2375                  and then Nkind (Parameter_Type (Node))
2376                    /= N_Access_Definition
2377                then
2378                   Write_Str ("not null ");
2379                end if;
2380
2381                Sprint_Node (Parameter_Type (Node));
2382
2383                if Present (Expression (Node)) then
2384                   Write_Str (" := ");
2385                   Sprint_Node (Expression (Node));
2386                end if;
2387             else
2388                Write_Str (", ");
2389             end if;
2390
2391          when N_Pop_Constraint_Error_Label =>
2392             Write_Indent_Str ("%pop_constraint_error_label");
2393
2394          when N_Pop_Program_Error_Label =>
2395             Write_Indent_Str ("%pop_program_error_label");
2396
2397          when N_Pop_Storage_Error_Label =>
2398             Write_Indent_Str ("%pop_storage_error_label");
2399
2400          when N_Push_Constraint_Error_Label =>
2401             Write_Indent_Str ("%push_constraint_error_label (");
2402
2403             if Present (Exception_Label (Node)) then
2404                Write_Name_With_Col_Check (Chars (Exception_Label (Node)));
2405             end if;
2406
2407             Write_Str (")");
2408
2409          when N_Push_Program_Error_Label =>
2410             Write_Indent_Str ("%push_program_error_label (");
2411
2412             if Present (Exception_Label (Node)) then
2413                Write_Name_With_Col_Check (Chars (Exception_Label (Node)));
2414             end if;
2415
2416             Write_Str (")");
2417
2418          when N_Push_Storage_Error_Label =>
2419             Write_Indent_Str ("%push_storage_error_label (");
2420
2421             if Present (Exception_Label (Node)) then
2422                Write_Name_With_Col_Check (Chars (Exception_Label (Node)));
2423             end if;
2424
2425             Write_Str (")");
2426
2427          when N_Pragma =>
2428             Write_Indent_Str_Sloc ("pragma ");
2429             Write_Name_With_Col_Check (Pragma_Name (Node));
2430
2431             if Present (Pragma_Argument_Associations (Node)) then
2432                Sprint_Opt_Paren_Comma_List
2433                  (Pragma_Argument_Associations (Node));
2434             end if;
2435
2436             Write_Char (';');
2437
2438          when N_Pragma_Argument_Association =>
2439             Set_Debug_Sloc;
2440
2441             if Chars (Node) /= No_Name then
2442                Write_Name_With_Col_Check (Chars (Node));
2443                Write_Str (" => ");
2444             end if;
2445
2446             Sprint_Node (Expression (Node));
2447
2448          when N_Private_Type_Declaration =>
2449             Write_Indent_Str_Sloc ("type ");
2450             Write_Id (Defining_Identifier (Node));
2451
2452             if Present (Discriminant_Specifications (Node)) then
2453                Write_Discr_Specs (Node);
2454             elsif Unknown_Discriminants_Present (Node) then
2455                Write_Str_With_Col_Check ("(<>)");
2456             end if;
2457
2458             Write_Str (" is ");
2459
2460             if Tagged_Present (Node) then
2461                Write_Str_With_Col_Check ("tagged ");
2462             end if;
2463
2464             if Limited_Present (Node) then
2465                Write_Str_With_Col_Check ("limited ");
2466             end if;
2467
2468             Write_Str_With_Col_Check ("private;");
2469
2470          when N_Private_Extension_Declaration =>
2471             Write_Indent_Str_Sloc ("type ");
2472             Write_Id (Defining_Identifier (Node));
2473
2474             if Present (Discriminant_Specifications (Node)) then
2475                Write_Discr_Specs (Node);
2476             elsif Unknown_Discriminants_Present (Node) then
2477                Write_Str_With_Col_Check ("(<>)");
2478             end if;
2479
2480             Write_Str_With_Col_Check (" is new ");
2481             Sprint_Node (Subtype_Indication (Node));
2482
2483             if Present (Interface_List (Node)) then
2484                Write_Str_With_Col_Check (" and ");
2485                Sprint_And_List (Interface_List (Node));
2486             end if;
2487
2488             Write_Str_With_Col_Check (" with private;");
2489
2490          when N_Procedure_Call_Statement =>
2491             Write_Indent;
2492             Set_Debug_Sloc;
2493             Write_Subprogram_Name (Name (Node));
2494             Sprint_Opt_Paren_Comma_List (Parameter_Associations (Node));
2495             Write_Char (';');
2496
2497          when N_Procedure_Instantiation =>
2498             Write_Indent_Str_Sloc ("procedure ");
2499             Sprint_Node (Defining_Unit_Name (Node));
2500             Write_Str_With_Col_Check (" is new ");
2501             Sprint_Node (Name (Node));
2502             Sprint_Opt_Paren_Comma_List (Generic_Associations (Node));
2503             Write_Char (';');
2504
2505          when N_Procedure_Specification =>
2506             Write_Str_With_Col_Check_Sloc ("procedure ");
2507             Sprint_Node (Defining_Unit_Name (Node));
2508             Write_Param_Specs (Node);
2509
2510          when N_Protected_Body =>
2511             Write_Indent_Str_Sloc ("protected body ");
2512             Write_Id (Defining_Identifier (Node));
2513             Write_Str (" is");
2514             Sprint_Indented_List (Declarations (Node));
2515             Write_Indent_Str ("end ");
2516             Write_Id (Defining_Identifier (Node));
2517             Write_Char (';');
2518
2519          when N_Protected_Body_Stub =>
2520             Write_Indent_Str_Sloc ("protected body ");
2521             Write_Id (Defining_Identifier (Node));
2522             Write_Str_With_Col_Check (" is separate;");
2523
2524          when N_Protected_Definition =>
2525             Set_Debug_Sloc;
2526             Sprint_Indented_List (Visible_Declarations (Node));
2527
2528             if Present (Private_Declarations (Node)) then
2529                Write_Indent_Str ("private");
2530                Sprint_Indented_List (Private_Declarations (Node));
2531             end if;
2532
2533             Write_Indent_Str ("end ");
2534
2535          when N_Protected_Type_Declaration =>
2536             Write_Indent_Str_Sloc ("protected type ");
2537             Sprint_Node (Defining_Identifier (Node));
2538             Write_Discr_Specs (Node);
2539
2540             if Present (Interface_List (Node)) then
2541                Write_Str (" is new ");
2542                Sprint_And_List (Interface_List (Node));
2543                Write_Str (" with ");
2544             else
2545                Write_Str (" is");
2546             end if;
2547
2548             Sprint_Node (Protected_Definition (Node));
2549             Write_Id (Defining_Identifier (Node));
2550             Write_Char (';');
2551
2552          when N_Qualified_Expression =>
2553             Sprint_Node (Subtype_Mark (Node));
2554             Write_Char_Sloc (''');
2555
2556             --  Print expression, make sure we have at least one level of
2557             --  parentheses around the expression. For cases of qualified
2558             --  expressions in the source, this is always the case, but
2559             --  for generated qualifications, there may be no explicit
2560             --  parentheses present.
2561
2562             if Paren_Count (Expression (Node)) /= 0 then
2563                Sprint_Node (Expression (Node));
2564             else
2565                Write_Char ('(');
2566                Sprint_Node (Expression (Node));
2567                Write_Char (')');
2568             end if;
2569
2570          when N_Raise_Constraint_Error =>
2571
2572             --  This node can be used either as a subexpression or as a
2573             --  statement form. The following test is a reasonably reliable
2574             --  way to distinguish the two cases.
2575
2576             if Is_List_Member (Node)
2577               and then Nkind (Parent (Node)) not in N_Subexpr
2578             then
2579                Write_Indent;
2580             end if;
2581
2582             Write_Str_With_Col_Check_Sloc ("[constraint_error");
2583             Write_Condition_And_Reason (Node);
2584
2585          when N_Raise_Program_Error =>
2586
2587             --  This node can be used either as a subexpression or as a
2588             --  statement form. The following test is a reasonably reliable
2589             --  way to distinguish the two cases.
2590
2591             if Is_List_Member (Node)
2592               and then Nkind (Parent (Node)) not in N_Subexpr
2593             then
2594                Write_Indent;
2595             end if;
2596
2597             Write_Str_With_Col_Check_Sloc ("[program_error");
2598             Write_Condition_And_Reason (Node);
2599
2600          when N_Raise_Storage_Error =>
2601
2602             --  This node can be used either as a subexpression or as a
2603             --  statement form. The following test is a reasonably reliable
2604             --  way to distinguish the two cases.
2605
2606             if Is_List_Member (Node)
2607               and then Nkind (Parent (Node)) not in N_Subexpr
2608             then
2609                Write_Indent;
2610             end if;
2611
2612             Write_Str_With_Col_Check_Sloc ("[storage_error");
2613             Write_Condition_And_Reason (Node);
2614
2615          when N_Raise_Statement =>
2616             Write_Indent_Str_Sloc ("raise ");
2617             Sprint_Node (Name (Node));
2618             Write_Char (';');
2619
2620          when N_Range =>
2621             Sprint_Node (Low_Bound (Node));
2622             Write_Str_Sloc (" .. ");
2623             Sprint_Node (High_Bound (Node));
2624             Update_Itype (Node);
2625
2626          when N_Range_Constraint =>
2627             Write_Str_With_Col_Check_Sloc ("range ");
2628             Sprint_Node (Range_Expression (Node));
2629
2630          when N_Real_Literal =>
2631             Write_Ureal_With_Col_Check_Sloc (Realval (Node));
2632
2633          when N_Real_Range_Specification =>
2634             Write_Str_With_Col_Check_Sloc ("range ");
2635             Sprint_Node (Low_Bound (Node));
2636             Write_Str (" .. ");
2637             Sprint_Node (High_Bound (Node));
2638
2639          when N_Record_Definition =>
2640             if Abstract_Present (Node) then
2641                Write_Str_With_Col_Check ("abstract ");
2642             end if;
2643
2644             if Tagged_Present (Node) then
2645                Write_Str_With_Col_Check ("tagged ");
2646             end if;
2647
2648             if Limited_Present (Node) then
2649                Write_Str_With_Col_Check ("limited ");
2650             end if;
2651
2652             if Null_Present (Node) then
2653                Write_Str_With_Col_Check_Sloc ("null record");
2654
2655             else
2656                Write_Str_With_Col_Check_Sloc ("record");
2657                Sprint_Node (Component_List (Node));
2658                Write_Indent_Str ("end record");
2659             end if;
2660
2661          when N_Record_Representation_Clause =>
2662             Write_Indent_Str_Sloc ("for ");
2663             Sprint_Node (Identifier (Node));
2664             Write_Str_With_Col_Check (" use record ");
2665
2666             if Present (Mod_Clause (Node)) then
2667                Sprint_Node (Mod_Clause (Node));
2668             end if;
2669
2670             Sprint_Indented_List (Component_Clauses (Node));
2671             Write_Indent_Str ("end record;");
2672
2673          when N_Reference =>
2674             Sprint_Node (Prefix (Node));
2675             Write_Str_With_Col_Check_Sloc ("'reference");
2676
2677          when N_Requeue_Statement =>
2678             Write_Indent_Str_Sloc ("requeue ");
2679             Sprint_Node (Name (Node));
2680
2681             if Abort_Present (Node) then
2682                Write_Str_With_Col_Check (" with abort");
2683             end if;
2684
2685             Write_Char (';');
2686
2687          --  Don't we want to print more detail???
2688
2689          --  Doc of this extended syntax belongs in sinfo.ads and/or
2690          --  sprint.ads ???
2691
2692          when N_SCIL_Dispatch_Table_Tag_Init =>
2693             Write_Indent_Str ("[N_SCIL_Dispatch_Table_Tag_Init]");
2694
2695          when N_SCIL_Dispatching_Call =>
2696             Write_Indent_Str ("[N_SCIL_Dispatching_Node]");
2697
2698          when N_SCIL_Membership_Test =>
2699             Write_Indent_Str ("[N_SCIL_Membership_Test]");
2700
2701          when N_Simple_Return_Statement =>
2702             if Present (Expression (Node)) then
2703                Write_Indent_Str_Sloc ("return ");
2704                Sprint_Node (Expression (Node));
2705                Write_Char (';');
2706             else
2707                Write_Indent_Str_Sloc ("return;");
2708             end if;
2709
2710          when N_Selective_Accept =>
2711             Write_Indent_Str_Sloc ("select");
2712
2713             declare
2714                Alt_Node : Node_Id;
2715             begin
2716                Alt_Node := First (Select_Alternatives (Node));
2717                loop
2718                   Indent_Begin;
2719                   Sprint_Node (Alt_Node);
2720                   Indent_End;
2721                   Next (Alt_Node);
2722                   exit when No (Alt_Node);
2723                   Write_Indent_Str ("or");
2724                end loop;
2725             end;
2726
2727             if Present (Else_Statements (Node)) then
2728                Write_Indent_Str ("else");
2729                Sprint_Indented_List (Else_Statements (Node));
2730             end if;
2731
2732             Write_Indent_Str ("end select;");
2733
2734          when N_Signed_Integer_Type_Definition =>
2735             Write_Str_With_Col_Check_Sloc ("range ");
2736             Sprint_Node (Low_Bound (Node));
2737             Write_Str (" .. ");
2738             Sprint_Node (High_Bound (Node));
2739
2740          when N_Single_Protected_Declaration =>
2741             Write_Indent_Str_Sloc ("protected ");
2742             Write_Id (Defining_Identifier (Node));
2743             Write_Str (" is");
2744             Sprint_Node (Protected_Definition (Node));
2745             Write_Id (Defining_Identifier (Node));
2746             Write_Char (';');
2747
2748          when N_Single_Task_Declaration =>
2749             Write_Indent_Str_Sloc ("task ");
2750             Sprint_Node (Defining_Identifier (Node));
2751
2752             if Present (Task_Definition (Node)) then
2753                Write_Str (" is");
2754                Sprint_Node (Task_Definition (Node));
2755             end if;
2756
2757             Write_Char (';');
2758
2759          when N_Selected_Component =>
2760             Sprint_Node (Prefix (Node));
2761             Write_Char_Sloc ('.');
2762             Sprint_Node (Selector_Name (Node));
2763
2764          when N_Slice =>
2765             Set_Debug_Sloc;
2766             Sprint_Node (Prefix (Node));
2767             Write_Str_With_Col_Check (" (");
2768             Sprint_Node (Discrete_Range (Node));
2769             Write_Char (')');
2770
2771          when N_String_Literal =>
2772             if String_Length (Strval (Node)) + Column > Sprint_Line_Limit then
2773                Write_Indent_Str ("  ");
2774             end if;
2775
2776             Set_Debug_Sloc;
2777             Write_String_Table_Entry (Strval (Node));
2778
2779          when N_Subprogram_Body =>
2780
2781             --  Output extra blank line unless we are in freeze actions
2782
2783             if Freeze_Indent = 0 then
2784                Extra_Blank_Line;
2785             end if;
2786
2787             Write_Indent;
2788             Sprint_Node_Sloc (Specification (Node));
2789             Write_Str (" is");
2790
2791             Sprint_Indented_List (Declarations (Node));
2792             Write_Indent_Str ("begin");
2793             Sprint_Node (Handled_Statement_Sequence (Node));
2794
2795             Write_Indent_Str ("end ");
2796
2797             Sprint_End_Label
2798               (Handled_Statement_Sequence (Node),
2799                  Defining_Unit_Name (Specification (Node)));
2800             Write_Char (';');
2801
2802             if Is_List_Member (Node)
2803               and then Present (Next (Node))
2804               and then Nkind (Next (Node)) /= N_Subprogram_Body
2805             then
2806                Write_Indent;
2807             end if;
2808
2809          when N_Subprogram_Body_Stub =>
2810             Write_Indent;
2811             Sprint_Node_Sloc (Specification (Node));
2812             Write_Str_With_Col_Check (" is separate;");
2813
2814          when N_Subprogram_Declaration =>
2815             Write_Indent;
2816             Sprint_Node_Sloc (Specification (Node));
2817
2818             if Nkind (Specification (Node)) = N_Procedure_Specification
2819               and then Null_Present (Specification (Node))
2820             then
2821                Write_Str_With_Col_Check (" is null");
2822             end if;
2823
2824             Write_Char (';');
2825
2826          when N_Subprogram_Info =>
2827             Sprint_Node (Identifier (Node));
2828             Write_Str_With_Col_Check_Sloc ("'subprogram_info");
2829
2830          when N_Subprogram_Renaming_Declaration =>
2831             Write_Indent;
2832             Sprint_Node (Specification (Node));
2833             Write_Str_With_Col_Check_Sloc (" renames ");
2834             Sprint_Node (Name (Node));
2835             Write_Char (';');
2836
2837          when N_Subtype_Declaration =>
2838             Write_Indent_Str_Sloc ("subtype ");
2839             Sprint_Node (Defining_Identifier (Node));
2840             Write_Str (" is ");
2841
2842             --  Ada 2005 (AI-231)
2843
2844             if Null_Exclusion_Present (Node) then
2845                Write_Str ("not null ");
2846             end if;
2847
2848             Sprint_Node (Subtype_Indication (Node));
2849             Write_Char (';');
2850
2851          when N_Subtype_Indication =>
2852             Sprint_Node_Sloc (Subtype_Mark (Node));
2853             Write_Char (' ');
2854             Sprint_Node (Constraint (Node));
2855
2856          when N_Subunit =>
2857             Write_Indent_Str_Sloc ("separate (");
2858             Sprint_Node (Name (Node));
2859             Write_Char (')');
2860             Extra_Blank_Line;
2861             Sprint_Node (Proper_Body (Node));
2862
2863          when N_Task_Body =>
2864             Write_Indent_Str_Sloc ("task body ");
2865             Write_Id (Defining_Identifier (Node));
2866             Write_Str (" is");
2867             Sprint_Indented_List (Declarations (Node));
2868             Write_Indent_Str ("begin");
2869             Sprint_Node (Handled_Statement_Sequence (Node));
2870             Write_Indent_Str ("end ");
2871             Sprint_End_Label
2872               (Handled_Statement_Sequence (Node), Defining_Identifier (Node));
2873             Write_Char (';');
2874
2875          when N_Task_Body_Stub =>
2876             Write_Indent_Str_Sloc ("task body ");
2877             Write_Id (Defining_Identifier (Node));
2878             Write_Str_With_Col_Check (" is separate;");
2879
2880          when N_Task_Definition =>
2881             Set_Debug_Sloc;
2882             Sprint_Indented_List (Visible_Declarations (Node));
2883
2884             if Present (Private_Declarations (Node)) then
2885                Write_Indent_Str ("private");
2886                Sprint_Indented_List (Private_Declarations (Node));
2887             end if;
2888
2889             Write_Indent_Str ("end ");
2890             Sprint_End_Label (Node, Defining_Identifier (Parent (Node)));
2891
2892          when N_Task_Type_Declaration =>
2893             Write_Indent_Str_Sloc ("task type ");
2894             Sprint_Node (Defining_Identifier (Node));
2895             Write_Discr_Specs (Node);
2896
2897             if Present (Interface_List (Node)) then
2898                Write_Str (" is new ");
2899                Sprint_And_List (Interface_List (Node));
2900             end if;
2901
2902             if Present (Task_Definition (Node)) then
2903                if No (Interface_List (Node)) then
2904                   Write_Str (" is");
2905                else
2906                   Write_Str (" with ");
2907                end if;
2908
2909                Sprint_Node (Task_Definition (Node));
2910             end if;
2911
2912             Write_Char (';');
2913
2914          when N_Terminate_Alternative =>
2915             Sprint_Node_List (Pragmas_Before (Node));
2916
2917             Write_Indent;
2918
2919             if Present (Condition (Node)) then
2920                Write_Str_With_Col_Check ("when ");
2921                Sprint_Node (Condition (Node));
2922                Write_Str (" => ");
2923             end if;
2924
2925             Write_Str_With_Col_Check_Sloc ("terminate;");
2926             Sprint_Node_List (Pragmas_After (Node));
2927
2928          when N_Timed_Entry_Call =>
2929             Write_Indent_Str_Sloc ("select");
2930             Indent_Begin;
2931             Sprint_Node (Entry_Call_Alternative (Node));
2932             Indent_End;
2933             Write_Indent_Str ("or");
2934             Indent_Begin;
2935             Sprint_Node (Delay_Alternative (Node));
2936             Indent_End;
2937             Write_Indent_Str ("end select;");
2938
2939          when N_Triggering_Alternative =>
2940             Sprint_Node_List (Pragmas_Before (Node));
2941             Sprint_Node_Sloc (Triggering_Statement (Node));
2942             Sprint_Node_List (Statements (Node));
2943
2944          when N_Type_Conversion =>
2945             Set_Debug_Sloc;
2946             Sprint_Node (Subtype_Mark (Node));
2947             Col_Check (4);
2948
2949             if Conversion_OK (Node) then
2950                Write_Char ('?');
2951             end if;
2952
2953             if Float_Truncate (Node) then
2954                Write_Char ('^');
2955             end if;
2956
2957             if Rounded_Result (Node) then
2958                Write_Char ('@');
2959             end if;
2960
2961             Write_Char ('(');
2962             Sprint_Node (Expression (Node));
2963             Write_Char (')');
2964
2965          when N_Unchecked_Expression =>
2966             Col_Check (10);
2967             Write_Str ("`(");
2968             Sprint_Node_Sloc (Expression (Node));
2969             Write_Char (')');
2970
2971          when N_Unchecked_Type_Conversion =>
2972             Sprint_Node (Subtype_Mark (Node));
2973             Write_Char ('!');
2974             Write_Str_With_Col_Check ("(");
2975             Sprint_Node_Sloc (Expression (Node));
2976             Write_Char (')');
2977
2978          when N_Unconstrained_Array_Definition =>
2979             Write_Str_With_Col_Check_Sloc ("array (");
2980
2981             declare
2982                Node1 : Node_Id;
2983             begin
2984                Node1 := First (Subtype_Marks (Node));
2985                loop
2986                   Sprint_Node (Node1);
2987                   Write_Str_With_Col_Check (" range <>");
2988                   Next (Node1);
2989                   exit when Node1 = Empty;
2990                   Write_Str (", ");
2991                end loop;
2992             end;
2993
2994             Write_Str (") of ");
2995             Sprint_Node (Component_Definition (Node));
2996
2997          when N_Unused_At_Start | N_Unused_At_End =>
2998             Write_Indent_Str ("***** Error, unused node encountered *****");
2999             Write_Eol;
3000
3001          when N_Use_Package_Clause =>
3002             Write_Indent_Str_Sloc ("use ");
3003             Sprint_Comma_List (Names (Node));
3004             Write_Char (';');
3005
3006          when N_Use_Type_Clause =>
3007             Write_Indent_Str_Sloc ("use type ");
3008             Sprint_Comma_List (Subtype_Marks (Node));
3009             Write_Char (';');
3010
3011          when N_Validate_Unchecked_Conversion =>
3012             Write_Indent_Str_Sloc ("validate unchecked_conversion (");
3013             Sprint_Node (Source_Type (Node));
3014             Write_Str (", ");
3015             Sprint_Node (Target_Type (Node));
3016             Write_Str (");");
3017
3018          when N_Variant =>
3019             Write_Indent_Str_Sloc ("when ");
3020             Sprint_Bar_List (Discrete_Choices (Node));
3021             Write_Str (" => ");
3022             Sprint_Node (Component_List (Node));
3023
3024          when N_Variant_Part =>
3025             Indent_Begin;
3026             Write_Indent_Str_Sloc ("case ");
3027             Sprint_Node (Name (Node));
3028             Write_Str (" is ");
3029             Sprint_Indented_List (Variants (Node));
3030             Write_Indent_Str ("end case");
3031             Indent_End;
3032
3033          when N_With_Clause =>
3034
3035             --  Special test, if we are dumping the original tree only,
3036             --  then we want to eliminate the bogus with clauses that
3037             --  correspond to the non-existent children of Text_IO.
3038
3039             if Dump_Original_Only
3040               and then Is_Text_IO_Kludge_Unit (Name (Node))
3041             then
3042                null;
3043
3044             --  Normal case, output the with clause
3045
3046             else
3047                if First_Name (Node) or else not Dump_Original_Only then
3048
3049                   --  Ada 2005 (AI-50217): Print limited with_clauses
3050
3051                   if Private_Present (Node) and Limited_Present (Node) then
3052                      Write_Indent_Str ("limited private with ");
3053
3054                   elsif Private_Present (Node) then
3055                      Write_Indent_Str ("private with ");
3056
3057                   elsif Limited_Present (Node) then
3058                      Write_Indent_Str ("limited with ");
3059
3060                   else
3061                      Write_Indent_Str ("with ");
3062                   end if;
3063
3064                else
3065                   Write_Str (", ");
3066                end if;
3067
3068                Sprint_Node_Sloc (Name (Node));
3069
3070                if Last_Name (Node) or else not Dump_Original_Only then
3071                   Write_Char (';');
3072                end if;
3073             end if;
3074
3075       end case;
3076
3077       if Nkind (Node) in N_Subexpr
3078         and then Do_Range_Check (Node)
3079       then
3080          Write_Str ("}");
3081       end if;
3082
3083       for J in 1 .. Paren_Count (Node) loop
3084          Write_Char (')');
3085       end loop;
3086
3087       Dump_Node := Save_Dump_Node;
3088    end Sprint_Node_Actual;
3089
3090    ----------------------
3091    -- Sprint_Node_List --
3092    ----------------------
3093
3094    procedure Sprint_Node_List (List : List_Id) is
3095       Node : Node_Id;
3096
3097    begin
3098       if Is_Non_Empty_List (List) then
3099          Node := First (List);
3100
3101          loop
3102             Sprint_Node (Node);
3103             Next (Node);
3104             exit when Node = Empty;
3105          end loop;
3106       end if;
3107    end Sprint_Node_List;
3108
3109    ----------------------
3110    -- Sprint_Node_Sloc --
3111    ----------------------
3112
3113    procedure Sprint_Node_Sloc (Node : Node_Id) is
3114    begin
3115       Sprint_Node (Node);
3116
3117       if Debug_Generated_Code and then Present (Dump_Node) then
3118          Set_Sloc (Dump_Node, Sloc (Node));
3119          Dump_Node := Empty;
3120       end if;
3121    end Sprint_Node_Sloc;
3122
3123    ---------------------
3124    -- Sprint_Opt_Node --
3125    ---------------------
3126
3127    procedure Sprint_Opt_Node (Node : Node_Id) is
3128    begin
3129       if Present (Node) then
3130          Write_Char (' ');
3131          Sprint_Node (Node);
3132       end if;
3133    end Sprint_Opt_Node;
3134
3135    --------------------------
3136    -- Sprint_Opt_Node_List --
3137    --------------------------
3138
3139    procedure Sprint_Opt_Node_List (List : List_Id) is
3140    begin
3141       if Present (List) then
3142          Sprint_Node_List (List);
3143       end if;
3144    end Sprint_Opt_Node_List;
3145
3146    ---------------------------------
3147    -- Sprint_Opt_Paren_Comma_List --
3148    ---------------------------------
3149
3150    procedure Sprint_Opt_Paren_Comma_List (List : List_Id) is
3151    begin
3152       if Is_Non_Empty_List (List) then
3153          Write_Char (' ');
3154          Sprint_Paren_Comma_List (List);
3155       end if;
3156    end Sprint_Opt_Paren_Comma_List;
3157
3158    -----------------------------
3159    -- Sprint_Paren_Comma_List --
3160    -----------------------------
3161
3162    procedure Sprint_Paren_Comma_List (List : List_Id) is
3163       N           : Node_Id;
3164       Node_Exists : Boolean := False;
3165
3166    begin
3167
3168       if Is_Non_Empty_List (List) then
3169
3170          if Dump_Original_Only then
3171             N := First (List);
3172             while Present (N) loop
3173                if not Is_Rewrite_Insertion (N) then
3174                   Node_Exists := True;
3175                   exit;
3176                end if;
3177
3178                Next (N);
3179             end loop;
3180
3181             if not Node_Exists then
3182                return;
3183             end if;
3184          end if;
3185
3186          Write_Str_With_Col_Check ("(");
3187          Sprint_Comma_List (List);
3188          Write_Char (')');
3189       end if;
3190    end Sprint_Paren_Comma_List;
3191
3192    ----------------------
3193    -- Sprint_Right_Opnd --
3194    ----------------------
3195
3196    procedure Sprint_Right_Opnd (N : Node_Id) is
3197       Opnd : constant Node_Id := Right_Opnd (N);
3198
3199    begin
3200       if Paren_Count (Opnd) /= 0
3201         or else Op_Prec (Nkind (Opnd)) > Op_Prec (Nkind (N))
3202       then
3203          Sprint_Node (Opnd);
3204
3205       else
3206          Write_Char ('(');
3207          Sprint_Node (Opnd);
3208          Write_Char (')');
3209       end if;
3210    end Sprint_Right_Opnd;
3211
3212    ------------------
3213    -- Update_Itype --
3214    ------------------
3215
3216    procedure Update_Itype (Node : Node_Id) is
3217    begin
3218       if Present (Etype (Node))
3219         and then Is_Itype (Etype (Node))
3220         and then Debug_Generated_Code
3221       then
3222          Set_Sloc (Etype (Node), Sloc (Node));
3223       end if;
3224    end Update_Itype;
3225
3226    ---------------------
3227    -- Write_Char_Sloc --
3228    ---------------------
3229
3230    procedure Write_Char_Sloc (C : Character) is
3231    begin
3232       if Debug_Generated_Code and then C /= ' ' then
3233          Set_Debug_Sloc;
3234       end if;
3235
3236       Write_Char (C);
3237    end Write_Char_Sloc;
3238
3239    --------------------------------
3240    -- Write_Condition_And_Reason --
3241    --------------------------------
3242
3243    procedure Write_Condition_And_Reason (Node : Node_Id) is
3244       Cond  : constant Node_Id := Condition (Node);
3245       Image : constant String  := RT_Exception_Code'Image
3246                                     (RT_Exception_Code'Val
3247                                        (UI_To_Int (Reason (Node))));
3248
3249    begin
3250       if Present (Cond) then
3251
3252          --  If condition is a single entity, or NOT with a single entity,
3253          --  output all on one line, since it will likely fit just fine.
3254
3255          if Is_Entity_Name (Cond)
3256            or else (Nkind (Cond) = N_Op_Not
3257                      and then Is_Entity_Name (Right_Opnd (Cond)))
3258          then
3259             Write_Str_With_Col_Check (" when ");
3260             Sprint_Node (Cond);
3261             Write_Char (' ');
3262
3263             --  Otherwise for more complex condition, multiple lines
3264
3265          else
3266             Write_Str_With_Col_Check (" when");
3267             Indent := Indent + 2;
3268             Write_Indent;
3269             Sprint_Node (Cond);
3270             Write_Indent;
3271             Indent := Indent - 2;
3272          end if;
3273
3274       --  If no condition, just need a space (all on one line)
3275
3276       else
3277          Write_Char (' ');
3278       end if;
3279
3280       --  Write the reason
3281
3282       Write_Char ('"');
3283
3284       for J in 4 .. Image'Last loop
3285          if Image (J) = '_' then
3286             Write_Char (' ');
3287          else
3288             Write_Char (Fold_Lower (Image (J)));
3289          end if;
3290       end loop;
3291
3292       Write_Str ("""]");
3293    end Write_Condition_And_Reason;
3294
3295    --------------------------------
3296    -- Write_Corresponding_Source --
3297    --------------------------------
3298
3299    procedure Write_Corresponding_Source (S : String) is
3300       Loc : Source_Ptr;
3301       Src : Source_Buffer_Ptr;
3302
3303    begin
3304       --  Ignore if not in dump source text mode, or if in freeze actions
3305
3306       if Dump_Source_Text and then Freeze_Indent = 0 then
3307
3308          --  Ignore null string
3309
3310          if S = "" then
3311             return;
3312          end if;
3313
3314          --  Ignore space or semicolon at end of given string
3315
3316          if S (S'Last) = ' ' or else S (S'Last) = ';' then
3317             Write_Corresponding_Source (S (S'First .. S'Last - 1));
3318             return;
3319          end if;
3320
3321          --  Loop to look at next lines not yet printed in source file
3322
3323          for L in
3324            Last_Line_Printed + 1 .. Last_Source_Line (Current_Source_File)
3325          loop
3326             Src := Source_Text (Current_Source_File);
3327             Loc := Line_Start (L, Current_Source_File);
3328
3329             --  If comment, keep looking
3330
3331             if Src (Loc .. Loc + 1) = "--" then
3332                null;
3333
3334             --  Search to first non-blank
3335
3336             else
3337                while Src (Loc) not in Line_Terminator loop
3338
3339                   --  Non-blank found
3340
3341                   if Src (Loc) /= ' ' and then Src (Loc) /= ASCII.HT then
3342
3343                      --  Loop through characters in string to see if we match
3344
3345                      for J in S'Range loop
3346
3347                         --  If mismatch, then not the case we are looking for
3348
3349                         if Src (Loc) /= S (J) then
3350                            return;
3351                         end if;
3352
3353                         Loc := Loc + 1;
3354                      end loop;
3355
3356                      --  If we fall through, string matched, if white space or
3357                      --  semicolon after the matched string, this is the case
3358                      --  we are looking for.
3359
3360                      if Src (Loc) in Line_Terminator
3361                        or else Src (Loc) = ' '
3362                        or else Src (Loc) = ASCII.HT
3363                        or else Src (Loc) = ';'
3364                      then
3365                         --  So output source lines up to and including this one
3366
3367                         Write_Source_Lines (L);
3368                         return;
3369                      end if;
3370                   end if;
3371
3372                   Loc := Loc + 1;
3373                end loop;
3374             end if;
3375
3376          --  Line was all blanks, or a comment line, keep looking
3377
3378          end loop;
3379       end if;
3380    end Write_Corresponding_Source;
3381
3382    -----------------------
3383    -- Write_Discr_Specs --
3384    -----------------------
3385
3386    procedure Write_Discr_Specs (N : Node_Id) is
3387       Specs : List_Id;
3388       Spec  : Node_Id;
3389
3390    begin
3391       Specs := Discriminant_Specifications (N);
3392
3393       if Present (Specs) then
3394          Write_Str_With_Col_Check (" (");
3395          Spec := First (Specs);
3396
3397          loop
3398             Sprint_Node (Spec);
3399             Next (Spec);
3400             exit when Spec = Empty;
3401
3402             --  Add semicolon, unless we are printing original tree and the
3403             --  next specification is part of a list (but not the first
3404             --  element of that list)
3405
3406             if not Dump_Original_Only or else not Prev_Ids (Spec) then
3407                Write_Str ("; ");
3408             end if;
3409          end loop;
3410
3411          Write_Char (')');
3412       end if;
3413    end Write_Discr_Specs;
3414
3415    -----------------
3416    -- Write_Ekind --
3417    -----------------
3418
3419    procedure Write_Ekind (E : Entity_Id) is
3420       S : constant String := Entity_Kind'Image (Ekind (E));
3421
3422    begin
3423       Name_Len := S'Length;
3424       Name_Buffer (1 .. Name_Len) := S;
3425       Set_Casing (Mixed_Case);
3426       Write_Str_With_Col_Check (Name_Buffer (1 .. Name_Len));
3427    end Write_Ekind;
3428
3429    --------------
3430    -- Write_Id --
3431    --------------
3432
3433    procedure Write_Id (N : Node_Id) is
3434    begin
3435       --  Deal with outputting Itype
3436
3437       --  Note: if we are printing the full tree with -gnatds, then we may
3438       --  end up picking up the Associated_Node link from a generic template
3439       --  here which overlaps the Entity field, but as documented, Write_Itype
3440       --  is defended against junk calls.
3441
3442       if Nkind (N) in N_Entity then
3443          Write_Itype (N);
3444       elsif Nkind (N) in N_Has_Entity then
3445          Write_Itype (Entity (N));
3446       end if;
3447
3448       --  Case of a defining identifier
3449
3450       if Nkind (N) = N_Defining_Identifier then
3451
3452          --  If defining identifier has an interface name (and no
3453          --  address clause), then we output the interface name.
3454
3455          if (Is_Imported (N) or else Is_Exported (N))
3456            and then Present (Interface_Name (N))
3457            and then No (Address_Clause (N))
3458          then
3459             String_To_Name_Buffer (Strval (Interface_Name (N)));
3460             Write_Str_With_Col_Check (Name_Buffer (1 .. Name_Len));
3461
3462          --  If no interface name (or inactive because there was
3463          --  an address clause), then just output the Chars name.
3464
3465          else
3466             Write_Name_With_Col_Check (Chars (N));
3467          end if;
3468
3469       --  Case of selector of an expanded name where the expanded name
3470       --  has an associated entity, output this entity.
3471
3472       elsif Nkind (Parent (N)) = N_Expanded_Name
3473         and then Selector_Name (Parent (N)) = N
3474         and then Present (Entity (Parent (N)))
3475       then
3476          Write_Id (Entity (Parent (N)));
3477
3478       --  For any other node with an associated entity, output it
3479
3480       elsif Nkind (N) in N_Has_Entity
3481         and then Present (Entity_Or_Associated_Node (N))
3482         and then Nkind (Entity_Or_Associated_Node (N)) in N_Entity
3483       then
3484          Write_Id (Entity (N));
3485
3486       --  All other cases, we just print the Chars field
3487
3488       else
3489          Write_Name_With_Col_Check (Chars (N));
3490       end if;
3491    end Write_Id;
3492
3493    -----------------------
3494    -- Write_Identifiers --
3495    -----------------------
3496
3497    function Write_Identifiers (Node : Node_Id) return Boolean is
3498    begin
3499       Sprint_Node (Defining_Identifier (Node));
3500       Update_Itype (Defining_Identifier (Node));
3501
3502       --  The remainder of the declaration must be printed unless we are
3503       --  printing the original tree and this is not the last identifier
3504
3505       return
3506          not Dump_Original_Only or else not More_Ids (Node);
3507
3508    end Write_Identifiers;
3509
3510    ------------------------
3511    -- Write_Implicit_Def --
3512    ------------------------
3513
3514    procedure Write_Implicit_Def (E : Entity_Id) is
3515       Ind : Node_Id;
3516
3517    begin
3518       case Ekind (E) is
3519          when E_Array_Subtype =>
3520             Write_Str_With_Col_Check ("subtype ");
3521             Write_Id (E);
3522             Write_Str_With_Col_Check (" is ");
3523             Write_Id (Base_Type (E));
3524             Write_Str_With_Col_Check (" (");
3525
3526             Ind := First_Index (E);
3527             while Present (Ind) loop
3528                Sprint_Node (Ind);
3529                Next_Index (Ind);
3530
3531                if Present (Ind) then
3532                   Write_Str (", ");
3533                end if;
3534             end loop;
3535
3536             Write_Str (");");
3537
3538          when E_Signed_Integer_Subtype | E_Enumeration_Subtype =>
3539             Write_Str_With_Col_Check ("subtype ");
3540             Write_Id (E);
3541             Write_Str (" is ");
3542             Write_Id (Etype (E));
3543             Write_Str_With_Col_Check (" range ");
3544             Sprint_Node (Scalar_Range (E));
3545             Write_Str (";");
3546
3547          when others =>
3548             Write_Str_With_Col_Check ("type ");
3549             Write_Id (E);
3550             Write_Str_With_Col_Check (" is <");
3551             Write_Ekind (E);
3552             Write_Str (">;");
3553       end case;
3554
3555    end Write_Implicit_Def;
3556
3557    ------------------
3558    -- Write_Indent --
3559    ------------------
3560
3561    procedure Write_Indent is
3562       Loc : constant Source_Ptr := Sloc (Dump_Node);
3563
3564    begin
3565       if Indent_Annull_Flag then
3566          Indent_Annull_Flag := False;
3567       else
3568          --  Deal with Dump_Source_Text output. Note that we ignore implicit
3569          --  label declarations, since they typically have the sloc of the
3570          --  corresponding label, which really messes up the -gnatL output.
3571
3572          if Dump_Source_Text
3573            and then Loc > No_Location
3574            and then Nkind (Dump_Node) /= N_Implicit_Label_Declaration
3575          then
3576             if Get_Source_File_Index (Loc) = Current_Source_File then
3577                Write_Source_Lines
3578                  (Get_Physical_Line_Number (Sloc (Dump_Node)));
3579             end if;
3580          end if;
3581
3582          Write_Eol;
3583
3584          for J in 1 .. Indent loop
3585             Write_Char (' ');
3586          end loop;
3587       end if;
3588    end Write_Indent;
3589
3590    ------------------------------
3591    -- Write_Indent_Identifiers --
3592    ------------------------------
3593
3594    function Write_Indent_Identifiers (Node : Node_Id) return Boolean is
3595    begin
3596       --  We need to start a new line for every node, except in the case
3597       --  where we are printing the original tree and this is not the first
3598       --  defining identifier in the list.
3599
3600       if not Dump_Original_Only or else not Prev_Ids (Node) then
3601          Write_Indent;
3602
3603       --  If printing original tree and this is not the first defining
3604       --  identifier in the list, then the previous call to this procedure
3605       --  printed only the name, and we add a comma to separate the names.
3606
3607       else
3608          Write_Str (", ");
3609       end if;
3610
3611       Sprint_Node (Defining_Identifier (Node));
3612
3613       --  The remainder of the declaration must be printed unless we are
3614       --  printing the original tree and this is not the last identifier
3615
3616       return
3617          not Dump_Original_Only or else not More_Ids (Node);
3618    end Write_Indent_Identifiers;
3619
3620    -----------------------------------
3621    -- Write_Indent_Identifiers_Sloc --
3622    -----------------------------------
3623
3624    function Write_Indent_Identifiers_Sloc (Node : Node_Id) return Boolean is
3625    begin
3626       --  We need to start a new line for every node, except in the case
3627       --  where we are printing the original tree and this is not the first
3628       --  defining identifier in the list.
3629
3630       if not Dump_Original_Only or else not Prev_Ids (Node) then
3631          Write_Indent;
3632
3633       --  If printing original tree and this is not the first defining
3634       --  identifier in the list, then the previous call to this procedure
3635       --  printed only the name, and we add a comma to separate the names.
3636
3637       else
3638          Write_Str (", ");
3639       end if;
3640
3641       Set_Debug_Sloc;
3642       Sprint_Node (Defining_Identifier (Node));
3643
3644       --  The remainder of the declaration must be printed unless we are
3645       --  printing the original tree and this is not the last identifier
3646
3647       return not Dump_Original_Only or else not More_Ids (Node);
3648    end Write_Indent_Identifiers_Sloc;
3649
3650    ----------------------
3651    -- Write_Indent_Str --
3652    ----------------------
3653
3654    procedure Write_Indent_Str (S : String) is
3655    begin
3656       Write_Corresponding_Source (S);
3657       Write_Indent;
3658       Write_Str (S);
3659    end Write_Indent_Str;
3660
3661    ---------------------------
3662    -- Write_Indent_Str_Sloc --
3663    ---------------------------
3664
3665    procedure Write_Indent_Str_Sloc (S : String) is
3666    begin
3667       Write_Corresponding_Source (S);
3668       Write_Indent;
3669       Write_Str_Sloc (S);
3670    end Write_Indent_Str_Sloc;
3671
3672    -----------------
3673    -- Write_Itype --
3674    -----------------
3675
3676    procedure Write_Itype (Typ : Entity_Id) is
3677
3678       procedure Write_Header (T : Boolean := True);
3679       --  Write type if T is True, subtype if T is false
3680
3681       ------------------
3682       -- Write_Header --
3683       ------------------
3684
3685       procedure Write_Header (T : Boolean := True) is
3686       begin
3687          if T then
3688             Write_Str ("[type ");
3689          else
3690             Write_Str ("[subtype ");
3691          end if;
3692
3693          Write_Name_With_Col_Check (Chars (Typ));
3694          Write_Str (" is ");
3695       end Write_Header;
3696
3697    --  Start of processing for Write_Itype
3698
3699    begin
3700       if Nkind (Typ) in N_Entity
3701         and then Is_Itype (Typ)
3702         and then not Itype_Printed (Typ)
3703       then
3704          --  Itype to be printed
3705
3706          declare
3707             B : constant Node_Id := Etype (Typ);
3708             X : Node_Id;
3709             P : constant Node_Id := Parent (Typ);
3710
3711             S : constant Saved_Output_Buffer := Save_Output_Buffer;
3712             --  Save current output buffer
3713
3714             Old_Sloc : Source_Ptr;
3715             --  Save sloc of related node, so it is not modified when
3716             --  printing with -gnatD.
3717
3718          begin
3719             --  Write indentation at start of line
3720
3721             for J in 1 .. Indent loop
3722                Write_Char (' ');
3723             end loop;
3724
3725             --  If we have a constructed declaration for the itype, print it
3726
3727             if Present (P)
3728               and then Nkind (P) in N_Declaration
3729               and then Defining_Entity (P) = Typ
3730             then
3731                --  We must set Itype_Printed true before the recursive call to
3732                --  print the node, otherwise we get an infinite recursion!
3733
3734                Set_Itype_Printed (Typ, True);
3735
3736                --  Write the declaration enclosed in [], avoiding new line
3737                --  at start of declaration, and semicolon at end.
3738
3739                --  Note: The itype may be imported from another unit, in which
3740                --  case we do not want to modify the Sloc of the declaration.
3741                --  Otherwise the itype may appear to be in the current unit,
3742                --  and the back-end will reject a reference out of scope.
3743
3744                Write_Char ('[');
3745                Indent_Annull_Flag := True;
3746                Old_Sloc := Sloc (P);
3747                Sprint_Node (P);
3748                Set_Sloc (P, Old_Sloc);
3749                Write_Erase_Char (';');
3750
3751             --  If no constructed declaration, then we have to concoct the
3752             --  source corresponding to the type entity that we have at hand.
3753
3754             else
3755                case Ekind (Typ) is
3756
3757                   --  Access types and subtypes
3758
3759                   when Access_Kind =>
3760                      Write_Header (Ekind (Typ) = E_Access_Type);
3761                      Write_Str ("access ");
3762
3763                      if Is_Access_Constant (Typ) then
3764                         Write_Str ("constant ");
3765                      elsif Can_Never_Be_Null (Typ) then
3766                         Write_Str ("not null ");
3767                      end if;
3768
3769                      Write_Id (Directly_Designated_Type (Typ));
3770
3771                   --  Array types and string types
3772
3773                   when E_Array_Type | E_String_Type =>
3774                      Write_Header;
3775                      Write_Str ("array (");
3776
3777                      X := First_Index (Typ);
3778                      loop
3779                         Sprint_Node (X);
3780
3781                         if not Is_Constrained (Typ) then
3782                            Write_Str (" range <>");
3783                         end if;
3784
3785                         Next_Index (X);
3786                         exit when No (X);
3787                         Write_Str (", ");
3788                      end loop;
3789
3790                      Write_Str (") of ");
3791                      X := Component_Type (Typ);
3792
3793                      --  Preserve sloc of component type, which is defined
3794                      --  elsewhere than the itype (see comment above).
3795
3796                      Old_Sloc := Sloc (X);
3797                      Sprint_Node (X);
3798                      Set_Sloc (X, Old_Sloc);
3799
3800                      --  Array subtypes and string subtypes.
3801                      --  Preserve Sloc of index subtypes, as above.
3802
3803                   when E_Array_Subtype | E_String_Subtype =>
3804                      Write_Header (False);
3805                      Write_Id (Etype (Typ));
3806                      Write_Str (" (");
3807
3808                      X := First_Index (Typ);
3809                      loop
3810                         Old_Sloc := Sloc (X);
3811                         Sprint_Node (X);
3812                         Set_Sloc (X, Old_Sloc);
3813                         Next_Index (X);
3814                         exit when No (X);
3815                         Write_Str (", ");
3816                      end loop;
3817
3818                      Write_Char (')');
3819
3820                   --  Signed integer types, and modular integer subtypes,
3821                   --  and also enumeration subtypes.
3822
3823                   when E_Signed_Integer_Type     |
3824                        E_Signed_Integer_Subtype  |
3825                        E_Modular_Integer_Subtype |
3826                        E_Enumeration_Subtype     =>
3827
3828                      Write_Header (Ekind (Typ) = E_Signed_Integer_Type);
3829
3830                      if Ekind (Typ) = E_Signed_Integer_Type then
3831                         Write_Str ("new ");
3832                      end if;
3833
3834                      Write_Id (B);
3835
3836                      --  Print bounds if different from base type
3837
3838                      declare
3839                         L  : constant Node_Id := Type_Low_Bound (Typ);
3840                         H  : constant Node_Id := Type_High_Bound (Typ);
3841                         LE : Node_Id;
3842                         HE : Node_Id;
3843
3844                      begin
3845                         --  B can either be a scalar type, in which case the
3846                         --  declaration of Typ may constrain it with different
3847                         --  bounds, or a private type, in which case we know
3848                         --  that the declaration of Typ cannot have a scalar
3849                         --  constraint.
3850
3851                         if Is_Scalar_Type (B) then
3852                            LE := Type_Low_Bound (B);
3853                            HE := Type_High_Bound (B);
3854                         else
3855                            LE := Empty;
3856                            HE := Empty;
3857                         end if;
3858
3859                         if No (LE)
3860                           or else (True
3861                             and then Nkind (L) = N_Integer_Literal
3862                             and then Nkind (H) = N_Integer_Literal
3863                             and then Nkind (LE) = N_Integer_Literal
3864                             and then Nkind (HE) = N_Integer_Literal
3865                             and then UI_Eq (Intval (L), Intval (LE))
3866                             and then UI_Eq (Intval (H), Intval (HE)))
3867                         then
3868                            null;
3869
3870                         else
3871                            Write_Str (" range ");
3872                            Sprint_Node (Type_Low_Bound (Typ));
3873                            Write_Str (" .. ");
3874                            Sprint_Node (Type_High_Bound (Typ));
3875                         end if;
3876                      end;
3877
3878                   --  Modular integer types
3879
3880                   when E_Modular_Integer_Type =>
3881                      Write_Header;
3882                      Write_Str (" mod ");
3883                      Write_Uint_With_Col_Check (Modulus (Typ), Auto);
3884
3885                   --  Floating point types and subtypes
3886
3887                   when E_Floating_Point_Type    |
3888                        E_Floating_Point_Subtype =>
3889
3890                      Write_Header (Ekind (Typ) = E_Floating_Point_Type);
3891
3892                      if Ekind (Typ) = E_Floating_Point_Type then
3893                         Write_Str ("new ");
3894                      end if;
3895
3896                      Write_Id (Etype (Typ));
3897
3898                      if Digits_Value (Typ) /= Digits_Value (Etype (Typ)) then
3899                         Write_Str (" digits ");
3900                         Write_Uint_With_Col_Check
3901                           (Digits_Value (Typ), Decimal);
3902                      end if;
3903
3904                      --  Print bounds if not different from base type
3905
3906                      declare
3907                         L  : constant Node_Id := Type_Low_Bound (Typ);
3908                         H  : constant Node_Id := Type_High_Bound (Typ);
3909                         LE : constant Node_Id := Type_Low_Bound (B);
3910                         HE : constant Node_Id := Type_High_Bound (B);
3911
3912                      begin
3913                         if Nkind (L) = N_Real_Literal
3914                           and then Nkind (H) = N_Real_Literal
3915                           and then Nkind (LE) = N_Real_Literal
3916                           and then Nkind (HE) = N_Real_Literal
3917                           and then UR_Eq (Realval (L), Realval (LE))
3918                           and then UR_Eq (Realval (H), Realval (HE))
3919                         then
3920                            null;
3921
3922                         else
3923                            Write_Str (" range ");
3924                            Sprint_Node (Type_Low_Bound (Typ));
3925                            Write_Str (" .. ");
3926                            Sprint_Node (Type_High_Bound (Typ));
3927                         end if;
3928                      end;
3929
3930                   --  Record subtypes
3931
3932                   when E_Record_Subtype =>
3933                      Write_Header (False);
3934                      Write_Str ("record");
3935                      Indent_Begin;
3936
3937                      declare
3938                         C : Entity_Id;
3939                      begin
3940                         C := First_Entity (Typ);
3941                         while Present (C) loop
3942                            Write_Indent;
3943                            Write_Id (C);
3944                            Write_Str (" : ");
3945                            Write_Id (Etype (C));
3946                            Next_Entity (C);
3947                         end loop;
3948                      end;
3949
3950                      Indent_End;
3951                      Write_Indent_Str (" end record");
3952
3953                   --  Class-Wide types
3954
3955                   when E_Class_Wide_Type    |
3956                        E_Class_Wide_Subtype =>
3957                      Write_Header;
3958                      Write_Name_With_Col_Check (Chars (Etype (Typ)));
3959                      Write_Str ("'Class");
3960
3961                   --  Subprogram types
3962
3963                   when E_Subprogram_Type =>
3964                      Write_Header;
3965
3966                      if Etype (Typ) = Standard_Void_Type then
3967                         Write_Str ("procedure");
3968                      else
3969                         Write_Str ("function");
3970                      end if;
3971
3972                      if Present (First_Entity (Typ)) then
3973                         Write_Str (" (");
3974
3975                         declare
3976                            Param : Entity_Id;
3977
3978                         begin
3979                            Param := First_Entity (Typ);
3980                            loop
3981                               Write_Id (Param);
3982                               Write_Str (" : ");
3983
3984                               if Ekind (Param) = E_In_Out_Parameter then
3985                                  Write_Str ("in out ");
3986                               elsif Ekind (Param) = E_Out_Parameter then
3987                                  Write_Str ("out ");
3988                               end if;
3989
3990                               Write_Id (Etype (Param));
3991                               Next_Entity (Param);
3992                               exit when No (Param);
3993                               Write_Str (", ");
3994                            end loop;
3995
3996                            Write_Char (')');
3997                         end;
3998                      end if;
3999
4000                      if Etype (Typ) /= Standard_Void_Type then
4001                         Write_Str (" return ");
4002                         Write_Id (Etype (Typ));
4003                      end if;
4004
4005                   when E_String_Literal_Subtype =>
4006                      declare
4007                         LB  : constant Uint :=
4008                                 Expr_Value (String_Literal_Low_Bound (Typ));
4009                         Len : constant Uint :=
4010                                 String_Literal_Length (Typ);
4011                      begin
4012                         Write_Str ("String (");
4013                         Write_Int (UI_To_Int (LB));
4014                         Write_Str (" .. ");
4015                         Write_Int (UI_To_Int (LB + Len) - 1);
4016                         Write_Str (");");
4017                      end;
4018
4019                   --  For all other Itypes, print ??? (fill in later)
4020
4021                   when others =>
4022                      Write_Header (True);
4023                      Write_Str ("???");
4024
4025                end case;
4026             end if;
4027
4028             --  Add terminating bracket and restore output buffer
4029
4030             Write_Char (']');
4031             Write_Eol;
4032             Restore_Output_Buffer (S);
4033          end;
4034
4035          Set_Itype_Printed (Typ);
4036       end if;
4037    end Write_Itype;
4038
4039    -------------------------------
4040    -- Write_Name_With_Col_Check --
4041    -------------------------------
4042
4043    procedure Write_Name_With_Col_Check (N : Name_Id) is
4044       J : Natural;
4045       K : Natural;
4046       L : Natural;
4047
4048    begin
4049       Get_Name_String (N);
4050
4051       --  Deal with -gnatdI which replaces any sequence Cnnnb where C is an
4052       --  upper case letter, nnn is one or more digits and b is a lower case
4053       --  letter by C...b, so that listings do not depend on serial numbers.
4054
4055       if Debug_Flag_II then
4056          J := 1;
4057          while J < Name_Len - 1 loop
4058             if Name_Buffer (J) in 'A' .. 'Z'
4059               and then Name_Buffer (J + 1) in '0' .. '9'
4060             then
4061                K := J + 1;
4062                while K < Name_Len loop
4063                   exit when Name_Buffer (K) not in '0' .. '9';
4064                   K := K + 1;
4065                end loop;
4066
4067                if Name_Buffer (K) in 'a' .. 'z' then
4068                   L := Name_Len - K + 1;
4069
4070                   Name_Buffer (J + 4 .. J + L + 3) :=
4071                     Name_Buffer (K .. Name_Len);
4072                   Name_Buffer (J + 1 .. J + 3) := "...";
4073                   Name_Len := J + L + 3;
4074                   J := J + 5;
4075
4076                else
4077                   J := K;
4078                end if;
4079
4080             else
4081                J := J + 1;
4082             end if;
4083          end loop;
4084       end if;
4085
4086       --  Fall through for normal case
4087
4088       Write_Str_With_Col_Check (Name_Buffer (1 .. Name_Len));
4089    end Write_Name_With_Col_Check;
4090
4091    ------------------------------------
4092    -- Write_Name_With_Col_Check_Sloc --
4093    ------------------------------------
4094
4095    procedure Write_Name_With_Col_Check_Sloc (N : Name_Id) is
4096    begin
4097       Get_Name_String (N);
4098       Write_Str_With_Col_Check_Sloc (Name_Buffer (1 .. Name_Len));
4099    end Write_Name_With_Col_Check_Sloc;
4100
4101    --------------------
4102    -- Write_Operator --
4103    --------------------
4104
4105    procedure Write_Operator (N : Node_Id; S : String) is
4106       F : Natural := S'First;
4107       T : Natural := S'Last;
4108
4109    begin
4110       --  If no overflow check, just write string out, and we are done
4111
4112       if not Do_Overflow_Check (N) then
4113          Write_Str_Sloc (S);
4114
4115       --  If overflow check, we want to surround the operator with curly
4116       --  brackets, but not include spaces within the brackets.
4117
4118       else
4119          if S (F) = ' ' then
4120             Write_Char (' ');
4121             F := F + 1;
4122          end if;
4123
4124          if S (T) = ' ' then
4125             T := T - 1;
4126          end if;
4127
4128          Write_Char ('{');
4129          Write_Str_Sloc (S (F .. T));
4130          Write_Char ('}');
4131
4132          if S (S'Last) = ' ' then
4133             Write_Char (' ');
4134          end if;
4135       end if;
4136    end Write_Operator;
4137
4138    -----------------------
4139    -- Write_Param_Specs --
4140    -----------------------
4141
4142    procedure Write_Param_Specs (N : Node_Id) is
4143       Specs  : List_Id;
4144       Spec   : Node_Id;
4145       Formal : Node_Id;
4146
4147    begin
4148       Specs := Parameter_Specifications (N);
4149
4150       if Is_Non_Empty_List (Specs) then
4151          Write_Str_With_Col_Check (" (");
4152          Spec := First (Specs);
4153
4154          loop
4155             Sprint_Node (Spec);
4156             Formal := Defining_Identifier (Spec);
4157             Next (Spec);
4158             exit when Spec = Empty;
4159
4160             --  Add semicolon, unless we are printing original tree and the
4161             --  next specification is part of a list (but not the first element
4162             --  of that list).
4163
4164             if not Dump_Original_Only or else not Prev_Ids (Spec) then
4165                Write_Str ("; ");
4166             end if;
4167          end loop;
4168
4169          --  Write out any extra formals
4170
4171          while Present (Extra_Formal (Formal)) loop
4172             Formal := Extra_Formal (Formal);
4173             Write_Str ("; ");
4174             Write_Name_With_Col_Check (Chars (Formal));
4175             Write_Str (" : ");
4176             Write_Name_With_Col_Check (Chars (Etype (Formal)));
4177          end loop;
4178
4179          Write_Char (')');
4180       end if;
4181    end Write_Param_Specs;
4182
4183    -----------------------
4184    -- Write_Rewrite_Str --
4185    -----------------------
4186
4187    procedure Write_Rewrite_Str (S : String) is
4188    begin
4189       if not Dump_Generated_Only then
4190          if S'Length = 3 and then S = ">>>" then
4191             Write_Str (">>>");
4192          else
4193             Write_Str_With_Col_Check (S);
4194          end if;
4195       end if;
4196    end Write_Rewrite_Str;
4197
4198    -----------------------
4199    -- Write_Source_Line --
4200    -----------------------
4201
4202    procedure Write_Source_Line (L : Physical_Line_Number) is
4203       Loc : Source_Ptr;
4204       Src : Source_Buffer_Ptr;
4205       Scn : Source_Ptr;
4206
4207    begin
4208       if Dump_Source_Text then
4209          Src := Source_Text (Current_Source_File);
4210          Loc := Line_Start (L, Current_Source_File);
4211          Write_Eol;
4212
4213          --  See if line is a comment line, if not, and if not line one,
4214          --  precede with blank line.
4215
4216          Scn := Loc;
4217          while Src (Scn) = ' ' or else Src (Scn) = ASCII.HT loop
4218             Scn := Scn + 1;
4219          end loop;
4220
4221          if (Src (Scn) in Line_Terminator
4222               or else Src (Scn .. Scn + 1) /= "--")
4223            and then L /= 1
4224          then
4225             Write_Eol;
4226          end if;
4227
4228          --  Now write the source text of the line
4229
4230          Write_Str ("-- ");
4231          Write_Int (Int (L));
4232          Write_Str (": ");
4233
4234          while Src (Loc) not in Line_Terminator loop
4235             Write_Char (Src (Loc));
4236             Loc := Loc + 1;
4237          end loop;
4238       end if;
4239    end Write_Source_Line;
4240
4241    ------------------------
4242    -- Write_Source_Lines --
4243    ------------------------
4244
4245    procedure Write_Source_Lines (L : Physical_Line_Number) is
4246    begin
4247       while Last_Line_Printed < L loop
4248          Last_Line_Printed := Last_Line_Printed + 1;
4249          Write_Source_Line (Last_Line_Printed);
4250       end loop;
4251    end Write_Source_Lines;
4252
4253    --------------------
4254    -- Write_Str_Sloc --
4255    --------------------
4256
4257    procedure Write_Str_Sloc (S : String) is
4258    begin
4259       for J in S'Range loop
4260          Write_Char_Sloc (S (J));
4261       end loop;
4262    end Write_Str_Sloc;
4263
4264    ------------------------------
4265    -- Write_Str_With_Col_Check --
4266    ------------------------------
4267
4268    procedure Write_Str_With_Col_Check (S : String) is
4269    begin
4270       if Int (S'Last) + Column > Sprint_Line_Limit then
4271          Write_Indent_Str ("  ");
4272
4273          if S (S'First) = ' ' then
4274             Write_Str (S (S'First + 1 .. S'Last));
4275          else
4276             Write_Str (S);
4277          end if;
4278
4279       else
4280          Write_Str (S);
4281       end if;
4282    end Write_Str_With_Col_Check;
4283
4284    -----------------------------------
4285    -- Write_Str_With_Col_Check_Sloc --
4286    -----------------------------------
4287
4288    procedure Write_Str_With_Col_Check_Sloc (S : String) is
4289    begin
4290       if Int (S'Last) + Column > Sprint_Line_Limit then
4291          Write_Indent_Str ("  ");
4292
4293          if S (S'First) = ' ' then
4294             Write_Str_Sloc (S (S'First + 1 .. S'Last));
4295          else
4296             Write_Str_Sloc (S);
4297          end if;
4298
4299       else
4300          Write_Str_Sloc (S);
4301       end if;
4302    end Write_Str_With_Col_Check_Sloc;
4303
4304    ---------------------------
4305    -- Write_Subprogram_Name --
4306    ---------------------------
4307
4308    procedure Write_Subprogram_Name (N : Node_Id) is
4309    begin
4310       if not Comes_From_Source (N)
4311         and then Is_Entity_Name (N)
4312       then
4313          declare
4314             Ent : constant Entity_Id := Entity (N);
4315          begin
4316             if not In_Extended_Main_Source_Unit (Ent)
4317               and then
4318                 Is_Predefined_File_Name
4319                   (Unit_File_Name (Get_Source_Unit (Ent)))
4320             then
4321                --  Run-time routine name, output name with a preceding dollar
4322                --  making sure that we do not get a line split between them.
4323
4324                Col_Check (Length_Of_Name (Chars (Ent)) + 1);
4325                Write_Char ('$');
4326                Write_Name (Chars (Ent));
4327                return;
4328             end if;
4329          end;
4330       end if;
4331
4332       --  Normal case, not a run-time routine name
4333
4334       Sprint_Node (N);
4335    end Write_Subprogram_Name;
4336
4337    -------------------------------
4338    -- Write_Uint_With_Col_Check --
4339    -------------------------------
4340
4341    procedure Write_Uint_With_Col_Check (U : Uint; Format : UI_Format) is
4342    begin
4343       Col_Check (UI_Decimal_Digits_Hi (U));
4344       UI_Write (U, Format);
4345    end Write_Uint_With_Col_Check;
4346
4347    ------------------------------------
4348    -- Write_Uint_With_Col_Check_Sloc --
4349    ------------------------------------
4350
4351    procedure Write_Uint_With_Col_Check_Sloc (U : Uint; Format : UI_Format) is
4352    begin
4353       Col_Check (UI_Decimal_Digits_Hi (U));
4354       Set_Debug_Sloc;
4355       UI_Write (U, Format);
4356    end Write_Uint_With_Col_Check_Sloc;
4357
4358    -------------------------------------
4359    -- Write_Ureal_With_Col_Check_Sloc --
4360    -------------------------------------
4361
4362    procedure Write_Ureal_With_Col_Check_Sloc (U : Ureal) is
4363       D : constant Uint := Denominator (U);
4364       N : constant Uint := Numerator (U);
4365
4366    begin
4367       Col_Check
4368         (UI_Decimal_Digits_Hi (D) + UI_Decimal_Digits_Hi (N) + 4);
4369       Set_Debug_Sloc;
4370       UR_Write (U);
4371    end Write_Ureal_With_Col_Check_Sloc;
4372
4373 end Sprint;