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) 1992-2014, 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 Aspects;  use Aspects;
  27 with Atree;    use Atree;
  28 with Casing;   use Casing;
  29 with Csets;    use Csets;
  30 with Debug;    use Debug;
  31 with Einfo;    use Einfo;
  32 with Fname;    use Fname;
  33 with Lib;      use Lib;
  34 with Namet;    use Namet;
  35 with Nlists;   use Nlists;
  36 with Opt;      use Opt;
  37 with Output;   use Output;
  38 with Rtsfind;  use Rtsfind;
  39 with Sem_Eval; use Sem_Eval;
  40 with Sem_Util; use Sem_Util;
  41 with Sinfo;    use Sinfo;
  42 with Sinput;   use Sinput;
  43 with Sinput.D; use Sinput.D;
  44 with Snames;   use Snames;
  45 with Stand;    use Stand;
  46 with Stringt;  use Stringt;
  47 with Uintp;    use Uintp;
  48 with Uname;    use Uname;
  49 with Urealp;   use Urealp;
  50
  51 package body Sprint is
  52    Current_Source_File : Source_File_Index;
  53    --  Index of source file whose generated code is being dumped
  54
  55    Dump_Node : Node_Id := Empty;
  56    --  This is set to the current node, used for printing line numbers. In
  57    --  Debug_Generated_Code mode, Dump_Node is set to the current node
  58    --  requiring Sloc fixup, until Set_Debug_Sloc is called to set the proper
  59    --  value. The call clears it back to Empty.
  60
  61    Debug_Sloc : Source_Ptr;
  62    --  Sloc of first byte of line currently being written if we are
  63    --  generating a source debug file.
  64
  65    Dump_Original_Only : Boolean;
  66    --  Set True if the -gnatdo (dump original tree) flag is set
  67
  68    Dump_Generated_Only : Boolean;
  69    --  Set True if the -gnatdG (dump generated tree) debug flag is set
  70    --  or for Print_Generated_Code (-gnatG) or Dump_Generated_Code (-gnatD).
  71
  72    Dump_Freeze_Null : Boolean;
  73    --  Set True if empty freeze nodes and non-source null statements output.
  74    --  Note that freeze nodes containing freeze actions are always output,
  75    --  as are freeze nodes for itypes, which in general have the effect of
  76    --  causing elaboration of the itype.
  77
  78    Freeze_Indent : Int := 0;
  79    --  Keep track of freeze indent level (controls output of blank lines before
  80    --  procedures within expression freeze actions). Relevant only if we are
  81    --  not in Dump_Source_Text mode, since in Dump_Source_Text mode we don't
  82    --  output these blank lines in any case.
  83
  84    Indent : Int := 0;
  85    --  Number of columns for current line output indentation
  86
  87    Indent_Annull_Flag : Boolean := False;
  88    --  Set True if subsequent Write_Indent call to be ignored, gets reset
  89    --  by this call, so it is only active to suppress a single indent call.
  90
  91    Last_Line_Printed : Physical_Line_Number;
  92    --  This keeps track of the physical line number of the last source line
  93    --  that has been output. The value is only valid in Dump_Source_Text mode.
  94
  95    -------------------------------
  96    -- Operator Precedence Table --
  97    -------------------------------
  98
  99    --  This table is used to decide whether a subexpression needs to be
 100    --  parenthesized. The rule is that if an operand of an operator (which
 101    --  for this purpose includes AND THEN and OR ELSE) is itself an operator
 102    --  with a lower precedence than the operator (or equal precedence if
 103    --  appearing as the right operand), then parentheses are required.
 104
 105    Op_Prec : constant array (N_Subexpr) of Short_Short_Integer :=
 106                (N_Op_And          => 1,
 107                 N_Op_Or           => 1,
 108                 N_Op_Xor          => 1,
 109                 N_And_Then        => 1,
 110                 N_Or_Else         => 1,
 111
 112                 N_In              => 2,
 113                 N_Not_In          => 2,
 114                 N_Op_Eq           => 2,
 115                 N_Op_Ge           => 2,
 116                 N_Op_Gt           => 2,
 117                 N_Op_Le           => 2,
 118                 N_Op_Lt           => 2,
 119                 N_Op_Ne           => 2,
 120
 121                 N_Op_Add          => 3,
 122                 N_Op_Concat       => 3,
 123                 N_Op_Subtract     => 3,
 124                 N_Op_Plus         => 3,
 125                 N_Op_Minus        => 3,
 126
 127                 N_Op_Divide       => 4,
 128                 N_Op_Mod          => 4,
 129                 N_Op_Rem          => 4,
 130                 N_Op_Multiply     => 4,
 131
 132                 N_Op_Expon        => 5,
 133                 N_Op_Abs          => 5,
 134                 N_Op_Not          => 5,
 135
 136                 others            => 6);
 137
 138    procedure Sprint_Left_Opnd (N : Node_Id);
 139    --  Print left operand of operator, parenthesizing if necessary
 140
 141    procedure Sprint_Right_Opnd (N : Node_Id);
 142    --  Print right operand of operator, parenthesizing if necessary
 143
 144    -----------------------
 145    -- Local Subprograms --
 146    -----------------------
 147
 148    procedure Col_Check (N : Nat);
 149    --  Check that at least N characters remain on current line, and if not,
 150    --  then start an extra line with two characters extra indentation for
 151    --  continuing text on the next line.
 152
 153    procedure Extra_Blank_Line;
 154    --  In some situations we write extra blank lines to separate the generated
 155    --  code to make it more readable. However, these extra blank lines are not
 156    --  generated in Dump_Source_Text mode, since there the source text lines
 157    --  output with preceding blank lines are quite sufficient as separators.
 158    --  This procedure writes a blank line if Dump_Source_Text is False.
 159
 160    procedure Indent_Annull;
 161    --  Causes following call to Write_Indent to be ignored. This is used when
 162    --  a higher level node wants to stop a lower level node from starting a
 163    --  new line, when it would otherwise be inclined to do so (e.g. the case
 164    --  of an accept statement called from an accept alternative with a guard)
 165
 166    procedure Indent_Begin;
 167    --  Increase indentation level
 168
 169    procedure Indent_End;
 170    --  Decrease indentation level
 171
 172    procedure Print_Debug_Line (S : String);
 173    --  Used to print output lines in Debug_Generated_Code mode (this is used
 174    --  as the argument for a call to Set_Special_Output in package Output).
 175
 176    procedure Process_TFAI_RR_Flags (Nod : Node_Id);
 177    --  Given a divide, multiplication or division node, check the flags
 178    --  Treat_Fixed_As_Integer and Rounded_Flags, and if set, output the
 179    --  appropriate special syntax characters (# and @).
 180
 181    procedure Set_Debug_Sloc;
 182    --  If Dump_Node is non-empty, this routine sets the appropriate value
 183    --  in its Sloc field, from the current location in the debug source file
 184    --  that is currently being written.
 185
 186    procedure Sprint_And_List (List : List_Id);
 187    --  Print the given list with items separated by vertical "and"
 188
 189    procedure Sprint_Aspect_Specifications
 190      (Node      : Node_Id;
 191       Semicolon : Boolean);
 192    --  Node is a declaration node that has aspect specifications (Has_Aspects
 193    --  flag set True). It outputs the aspect specifications. For the case
 194    --  of Semicolon = True, it is called after outputting the terminating
 195    --  semicolon for the related node. The effect is to remove the semicolon
 196    --  and print the aspect specifications followed by a terminating semicolon.
 197    --  For the case of Semicolon False, no semicolon is removed or output, and
 198    --  all the aspects are printed on a single line.
 199
 200    procedure Sprint_Bar_List (List : List_Id);
 201    --  Print the given list with items separated by vertical bars
 202
 203    procedure Sprint_End_Label
 204      (Node    : Node_Id;
 205       Default : Node_Id);
 206    --  Print the end label for a Handled_Sequence_Of_Statements in a body.
 207    --  If there is no end label, use the defining identifier of the enclosing
 208    --  construct. If the end label is present, treat it as a reference to the
 209    --  defining entity of the construct: this guarantees that it carries the
 210    --  proper sloc information for debugging purposes.
 211
 212    procedure Sprint_Node_Actual (Node : Node_Id);
 213    --  This routine prints its node argument. It is a lower level routine than
 214    --  Sprint_Node, in that it does not bother about rewritten trees.
 215
 216    procedure Sprint_Node_Sloc (Node : Node_Id);
 217    --  Like Sprint_Node, but in addition, in Debug_Generated_Code mode,
 218    --  sets the Sloc of the current debug node to be a copy of the Sloc
 219    --  of the sprinted node Node. Note that this is done after printing
 220    --  Node, so that the Sloc is the proper updated value for the debug file.
 221
 222    procedure Update_Itype (Node : Node_Id);
 223    --  Update the Sloc of an itype that is not attached to the tree, when
 224    --  debugging expanded code. This routine is called from nodes whose
 225    --  type can be an Itype, such as defining_identifiers that may be of
 226    --  an anonymous access type, or ranges in slices.
 227
 228    procedure Write_Char_Sloc (C : Character);
 229    --  Like Write_Char, except that if C is non-blank, Set_Debug_Sloc is
 230    --  called to ensure that the current node has a proper Sloc set.
 231
 232    procedure Write_Condition_And_Reason (Node : Node_Id);
 233    --  Write Condition and Reason codes of Raise_xxx_Error node
 234
 235    procedure Write_Corresponding_Source (S : String);
 236    --  If S is a string with a single keyword (possibly followed by a space),
 237    --  and if the next non-comment non-blank source line matches this keyword,
 238    --  then output all source lines up to this matching line.
 239
 240    procedure Write_Discr_Specs (N : Node_Id);
 241    --  Output discriminant specification for node, which is any of the type
 242    --  declarations that can have discriminants.
 243
 244    procedure Write_Ekind (E : Entity_Id);
 245    --  Write the String corresponding to the Ekind without "E_"
 246
 247    procedure Write_Id (N : Node_Id);
 248    --  N is a node with a Chars field. This procedure writes the name that
 249    --  will be used in the generated code associated with the name. For a
 250    --  node with no associated entity, this is simply the Chars field. For
 251    --  the case where there is an entity associated with the node, we print
 252    --  the name associated with the entity (since it may have been encoded).
 253    --  One other special case is that an entity has an active external name
 254    --  (i.e. an external name present with no address clause), then this
 255    --  external name is output. This procedure also deals with outputting
 256    --  declarations of referenced itypes, if not output earlier.
 257
 258    function Write_Identifiers (Node : Node_Id) return Boolean;
 259    --  Handle node where the grammar has a list of defining identifiers, but
 260    --  the tree has a separate declaration for each identifier. Handles the
 261    --  printing of the defining identifier, and returns True if the type and
 262    --  initialization information is to be printed, False if it is to be
 263    --  skipped (the latter case happens when printing defining identifiers
 264    --  other than the first in the original tree output case).
 265
 266    procedure Write_Implicit_Def (E : Entity_Id);
 267    pragma Warnings (Off, Write_Implicit_Def);
 268    --  Write the definition of the implicit type E according to its Ekind
 269    --  For now a debugging procedure, but might be used in the future.
 270
 271    procedure Write_Indent;
 272    --  Start a new line and write indentation spacing
 273
 274    function Write_Indent_Identifiers (Node : Node_Id) return Boolean;
 275    --  Like Write_Identifiers except that each new printed declaration
 276    --  is at the start of a new line.
 277
 278    function Write_Indent_Identifiers_Sloc (Node : Node_Id) return Boolean;
 279    --  Like Write_Indent_Identifiers except that in Debug_Generated_Code
 280    --  mode, the Sloc of the current debug node is set to point to the
 281    --  first output identifier.
 282
 283    procedure Write_Indent_Str (S : String);
 284    --  Start a new line and write indent spacing followed by given string
 285
 286    procedure Write_Indent_Str_Sloc (S : String);
 287    --  Like Write_Indent_Str, but in addition, in Debug_Generated_Code mode,
 288    --  the Sloc of the current node is set to the first non-blank character
 289    --  in the string S.
 290
 291    procedure Write_Itype (Typ : Entity_Id);
 292    --  If Typ is an Itype that has not been written yet, write it. If Typ is
 293    --  any other kind of entity or tree node, the call is ignored.
 294
 295    procedure Write_Name_With_Col_Check (N : Name_Id);
 296    --  Write name (using Write_Name) with initial column check, and possible
 297    --  initial Write_Indent (to get new line) if current line is too full.
 298
 299    procedure Write_Name_With_Col_Check_Sloc (N : Name_Id);
 300    --  Like Write_Name_With_Col_Check but in addition, in Debug_Generated_Code
 301    --  mode, sets Sloc of current debug node to first character of name.
 302
 303    procedure Write_Operator (N : Node_Id; S : String);
 304    --  Like Write_Str_Sloc, used for operators, encloses the string in
 305    --  characters {} if the Do_Overflow flag is set on the node N.
 306
 307    procedure Write_Param_Specs (N : Node_Id);
 308    --  Output parameter specifications for node (which is either a function
 309    --  or procedure specification with a Parameter_Specifications field)
 310
 311    procedure Write_Rewrite_Str (S : String);
 312    --  Writes out a string (typically containing <<< or >>>}) for a node
 313    --  created by rewriting the tree. Suppressed if we are outputting the
 314    --  generated code only, since in this case we don't specially mark nodes
 315    --  created by rewriting).
 316
 317    procedure Write_Source_Line (L : Physical_Line_Number);
 318    --  If writing of interspersed source lines is enabled, then write the given
 319    --  line from the source file, preceded by Eol, then an extra blank line if
 320    --  the line has at least one blank, is not a comment and is not line one,
 321    --  then "--" and the line number followed by period followed by text of the
 322    --  source line (without terminating Eol). If interspersed source line
 323    --  output not enabled, then the call has no effect.
 324
 325    procedure Write_Source_Lines (L : Physical_Line_Number);
 326    --  If writing of interspersed source lines is enabled, then writes source
 327    --  lines Last_Line_Printed + 1 .. L, and updates Last_Line_Printed. If
 328    --  interspersed source line output not enabled, then call has no effect.
 329
 330    procedure Write_Str_Sloc (S : String);
 331    --  Like Write_Str, but sets debug Sloc of current debug node to first
 332    --  non-blank character if a current debug node is active.
 333
 334    procedure Write_Str_With_Col_Check (S : String);
 335    --  Write string (using Write_Str) with initial column check, and possible
 336    --  initial Write_Indent (to get new line) if current line is too full.
 337
 338    procedure Write_Str_With_Col_Check_Sloc (S : String);
 339    --  Like Write_Str_With_Col_Check, but sets debug Sloc of current debug
 340    --  node to first non-blank character if a current debug node is active.
 341
 342    procedure Write_Subprogram_Name (N : Node_Id);
 343    --  N is the Name field of a function call or procedure statement call.
 344    --  The effect of the call is to output the name, preceded by a $ if the
 345    --  call is identified as an implicit call to a run time routine.
 346
 347    procedure Write_Uint_With_Col_Check (U : Uint; Format : UI_Format);
 348    --  Write Uint (using UI_Write) with initial column check, and possible
 349    --  initial Write_Indent (to get new line) if current line is too full.
 350    --  The format parameter determines the output format (see UI_Write).
 351
 352    procedure Write_Uint_With_Col_Check_Sloc (U : Uint; Format : UI_Format);
 353    --  Write Uint (using UI_Write) with initial column check, and possible
 354    --  initial Write_Indent (to get new line) if current line is too full.
 355    --  The format parameter determines the output format (see UI_Write).
 356    --  In addition, in Debug_Generated_Code mode, sets the current node
 357    --  Sloc to the first character of the output value.
 358
 359    procedure Write_Ureal_With_Col_Check_Sloc (U : Ureal);
 360    --  Write Ureal (using same output format as UR_Write) with column checks
 361    --  and a possible initial Write_Indent (to get new line) if current line
 362    --  is too full. In addition, in Debug_Generated_Code mode, sets the
 363    --  current node Sloc to the first character of the output value.
 364
 365    ---------------
 366    -- Col_Check --
 367    ---------------
 368
 369    procedure Col_Check (N : Nat) is
 370    begin
 371       if N + Column > Sprint_Line_Limit then
 372          Write_Indent_Str ("  ");
 373       end if;
 374    end Col_Check;
 375
 376    ----------------------
 377    -- Extra_Blank_Line --
 378    ----------------------
 379
 380    procedure Extra_Blank_Line is
 381    begin
 382       if not Dump_Source_Text then
 383          Write_Indent;
 384       end if;
 385    end Extra_Blank_Line;
 386
 387    -------------------
 388    -- Indent_Annull --
 389    -------------------
 390
 391    procedure Indent_Annull is
 392    begin
 393       Indent_Annull_Flag := True;
 394    end Indent_Annull;
 395
 396    ------------------
 397    -- Indent_Begin --
 398    ------------------
 399
 400    procedure Indent_Begin is
 401    begin
 402       Indent := Indent + 3;
 403    end Indent_Begin;
 404
 405    ----------------
 406    -- Indent_End --
 407    ----------------
 408
 409    procedure Indent_End is
 410    begin
 411       Indent := Indent - 3;
 412    end Indent_End;
 413
 414    --------
 415    -- pg --
 416    --------
 417
 418    procedure pg (Arg : Union_Id) is
 419    begin
 420       Dump_Generated_Only := True;
 421       Dump_Original_Only  := False;
 422       Dump_Freeze_Null    := True;
 423       Current_Source_File := No_Source_File;
 424
 425       if Arg in List_Range then
 426          Sprint_Node_List (List_Id (Arg), New_Lines => True);
 427
 428       elsif Arg in Node_Range then
 429          Sprint_Node (Node_Id (Arg));
 430
 431       else
 432          null;
 433       end if;
 434
 435       Write_Eol;
 436    end pg;
 437
 438    --------
 439    -- po --
 440    --------
 441
 442    procedure po (Arg : Union_Id) is
 443    begin
 444       Dump_Generated_Only := False;
 445       Dump_Original_Only := True;
 446       Current_Source_File := No_Source_File;
 447
 448       if Arg in List_Range then
 449          Sprint_Node_List (List_Id (Arg), New_Lines => True);
 450
 451       elsif Arg in Node_Range then
 452          Sprint_Node (Node_Id (Arg));
 453
 454       else
 455          null;
 456       end if;
 457
 458       Write_Eol;
 459    end po;
 460
 461    ----------------------
 462    -- Print_Debug_Line --
 463    ----------------------
 464
 465    procedure Print_Debug_Line (S : String) is
 466    begin
 467       Write_Debug_Line (S, Debug_Sloc);
 468    end Print_Debug_Line;
 469
 470    ---------------------------
 471    -- Process_TFAI_RR_Flags --
 472    ---------------------------
 473
 474    procedure Process_TFAI_RR_Flags (Nod : Node_Id) is
 475    begin
 476       if Treat_Fixed_As_Integer (Nod) then
 477          Write_Char ('#');
 478       end if;
 479
 480       if Rounded_Result (Nod) then
 481          Write_Char ('@');
 482       end if;
 483    end Process_TFAI_RR_Flags;
 484
 485    --------
 486    -- ps --
 487    --------
 488
 489    procedure ps (Arg : Union_Id) is
 490    begin
 491       Dump_Generated_Only := False;
 492       Dump_Original_Only := False;
 493       Current_Source_File := No_Source_File;
 494
 495       if Arg in List_Range then
 496          Sprint_Node_List (List_Id (Arg), New_Lines => True);
 497
 498       elsif Arg in Node_Range then
 499          Sprint_Node (Node_Id (Arg));
 500
 501       else
 502          null;
 503       end if;
 504
 505       Write_Eol;
 506    end ps;
 507
 508    --------------------
 509    -- Set_Debug_Sloc --
 510    --------------------
 511
 512    procedure Set_Debug_Sloc is
 513    begin
 514       if Debug_Generated_Code and then Present (Dump_Node) then
 515          Set_Sloc (Dump_Node, Debug_Sloc + Source_Ptr (Column - 1));
 516          Dump_Node := Empty;
 517       end if;
 518    end Set_Debug_Sloc;
 519
 520    -----------------
 521    -- Source_Dump --
 522    -----------------
 523
 524    procedure Source_Dump is
 525
 526       procedure Underline;
 527       --  Put underline under string we just printed
 528
 529       ---------------
 530       -- Underline --
 531       ---------------
 532
 533       procedure Underline is
 534          Col : constant Int := Column;
 535
 536       begin
 537          Write_Eol;
 538
 539          while Col > Column loop
 540             Write_Char ('-');
 541          end loop;
 542
 543          Write_Eol;
 544       end Underline;
 545
 546    --  Start of processing for Source_Dump
 547
 548    begin
 549       Dump_Generated_Only := Debug_Flag_G or
 550                              Print_Generated_Code or
 551                              Debug_Generated_Code;
 552       Dump_Original_Only  := Debug_Flag_O;
 553       Dump_Freeze_Null    := Debug_Flag_S or Debug_Flag_G;
 554
 555       --  Note that we turn off the tree dump flags immediately, before
 556       --  starting the dump. This avoids generating two copies of the dump
 557       --  if an abort occurs after printing the dump, and more importantly,
 558       --  avoids an infinite loop if an abort occurs during the dump.
 559
 560       if Debug_Flag_Z then
 561          Current_Source_File := No_Source_File;
 562          Debug_Flag_Z := False;
 563          Write_Eol;
 564          Write_Eol;
 565          Write_Str ("Source recreated from tree of Standard (spec)");
 566          Underline;
 567          Sprint_Node (Standard_Package_Node);
 568          Write_Eol;
 569          Write_Eol;
 570       end if;
 571
 572       if Debug_Flag_S or Dump_Generated_Only or Dump_Original_Only then
 573          Debug_Flag_G := False;
 574          Debug_Flag_O := False;
 575          Debug_Flag_S := False;
 576
 577          --  Dump requested units
 578
 579          for U in Main_Unit .. Last_Unit loop
 580             Current_Source_File := Source_Index (U);
 581
 582             --  Dump all units if -gnatdf set, otherwise we dump only
 583             --  the source files that are in the extended main source.
 584
 585             if Debug_Flag_F
 586               or else In_Extended_Main_Source_Unit (Cunit_Entity (U))
 587             then
 588                --  If we are generating debug files, setup to write them
 589
 590                if Debug_Generated_Code then
 591                   Set_Special_Output (Print_Debug_Line'Access);
 592                   Create_Debug_Source (Source_Index (U), Debug_Sloc);
 593                   Write_Source_Line (1);
 594                   Last_Line_Printed := 1;
 595                   Sprint_Node (Cunit (U));
 596                   Write_Source_Lines (Last_Source_Line (Current_Source_File));
 597                   Write_Eol;
 598                   Close_Debug_Source;
 599                   Set_Special_Output (null);
 600
 601                --  Normal output to standard output file
 602
 603                else
 604                   Write_Str ("Source recreated from tree for ");
 605                   Write_Unit_Name (Unit_Name (U));
 606                   Underline;
 607                   Write_Source_Line (1);
 608                   Last_Line_Printed := 1;
 609                   Sprint_Node (Cunit (U));
 610                   Write_Source_Lines (Last_Source_Line (Current_Source_File));
 611                   Write_Eol;
 612                   Write_Eol;
 613                end if;
 614             end if;
 615          end loop;
 616       end if;
 617    end Source_Dump;
 618
 619    ---------------------
 620    -- Sprint_And_List --
 621    ---------------------
 622
 623    procedure Sprint_And_List (List : List_Id) is
 624       Node : Node_Id;
 625    begin
 626       if Is_Non_Empty_List (List) then
 627          Node := First (List);
 628          loop
 629             Sprint_Node (Node);
 630             Next (Node);
 631             exit when Node = Empty;
 632             Write_Str (" and ");
 633          end loop;
 634       end if;
 635    end Sprint_And_List;
 636
 637    ----------------------------------
 638    -- Sprint_Aspect_Specifications --
 639    ----------------------------------
 640
 641    procedure Sprint_Aspect_Specifications
 642      (Node      : Node_Id;
 643       Semicolon : Boolean)
 644    is
 645       AS : constant List_Id := Aspect_Specifications (Node);
 646       A  : Node_Id;
 647
 648    begin
 649       if Semicolon then
 650          Write_Erase_Char (';');
 651          Indent := Indent + 2;
 652          Write_Indent;
 653          Write_Str ("with ");
 654          Indent := Indent + 5;
 655
 656       else
 657          Write_Str (" with ");
 658       end if;
 659
 660       A := First (AS);
 661       loop
 662          Sprint_Node (Identifier (A));
 663
 664          if Class_Present (A) then
 665             Write_Str ("'Class");
 666          end if;
 667
 668          if Present (Expression (A)) then
 669             Write_Str (" => ");
 670             Sprint_Node (Expression (A));
 671          end if;
 672
 673          Next (A);
 674
 675          exit when No (A);
 676          Write_Char (',');
 677
 678          if Semicolon then
 679             Write_Indent;
 680          end if;
 681       end loop;
 682
 683       if Semicolon then
 684          Indent := Indent - 7;
 685          Write_Char (';');
 686       end if;
 687    end Sprint_Aspect_Specifications;
 688
 689    ---------------------
 690    -- Sprint_Bar_List --
 691    ---------------------
 692
 693    procedure Sprint_Bar_List (List : List_Id) is
 694       Node : Node_Id;
 695    begin
 696       if Is_Non_Empty_List (List) then
 697          Node := First (List);
 698          loop
 699             Sprint_Node (Node);
 700             Next (Node);
 701             exit when Node = Empty;
 702             Write_Str (" | ");
 703          end loop;
 704       end if;
 705    end Sprint_Bar_List;
 706
 707    ----------------------
 708    -- Sprint_End_Label --
 709    ----------------------
 710
 711    procedure Sprint_End_Label
 712      (Node    : Node_Id;
 713       Default : Node_Id)
 714    is
 715    begin
 716       if Present (Node)
 717         and then Present (End_Label (Node))
 718         and then Is_Entity_Name (End_Label (Node))
 719       then
 720          Set_Entity (End_Label (Node), Default);
 721
 722          --  For a function whose name is an operator, use the qualified name
 723          --  created for the defining entity.
 724
 725          if Nkind (End_Label (Node)) = N_Operator_Symbol then
 726             Set_Chars (End_Label (Node), Chars (Default));
 727          end if;
 728
 729          Sprint_Node (End_Label (Node));
 730       else
 731          Sprint_Node (Default);
 732       end if;
 733    end Sprint_End_Label;
 734
 735    -----------------------
 736    -- Sprint_Comma_List --
 737    -----------------------
 738
 739    procedure Sprint_Comma_List (List : List_Id) is
 740       Node : Node_Id;
 741
 742    begin
 743       if Is_Non_Empty_List (List) then
 744          Node := First (List);
 745          loop
 746             Sprint_Node (Node);
 747             Next (Node);
 748             exit when Node = Empty;
 749
 750             if not Is_Rewrite_Insertion (Node)
 751               or else not Dump_Original_Only
 752             then
 753                Write_Str (", ");
 754             end if;
 755          end loop;
 756       end if;
 757    end Sprint_Comma_List;
 758
 759    --------------------------
 760    -- Sprint_Indented_List --
 761    --------------------------
 762
 763    procedure Sprint_Indented_List (List : List_Id) is
 764    begin
 765       Indent_Begin;
 766       Sprint_Node_List (List);
 767       Indent_End;
 768    end Sprint_Indented_List;
 769
 770    ---------------------
 771    -- Sprint_Left_Opnd --
 772    ---------------------
 773
 774    procedure Sprint_Left_Opnd (N : Node_Id) is
 775       Opnd : constant Node_Id := Left_Opnd (N);
 776
 777    begin
 778       if Paren_Count (Opnd) /= 0
 779         or else Op_Prec (Nkind (Opnd)) >= Op_Prec (Nkind (N))
 780       then
 781          Sprint_Node (Opnd);
 782
 783       else
 784          Write_Char ('(');
 785          Sprint_Node (Opnd);
 786          Write_Char (')');
 787       end if;
 788    end Sprint_Left_Opnd;
 789
 790    -----------------
 791    -- Sprint_Node --
 792    -----------------
 793
 794    procedure Sprint_Node (Node : Node_Id) is
 795    begin
 796       if Is_Rewrite_Insertion (Node) then
 797          if not Dump_Original_Only then
 798
 799             --  For special cases of nodes that always output <<< >>>
 800             --  do not duplicate the output at this point.
 801
 802             if Nkind (Node) = N_Freeze_Entity
 803               or else Nkind (Node) = N_Freeze_Generic_Entity
 804               or else Nkind (Node) = N_Implicit_Label_Declaration
 805             then
 806                Sprint_Node_Actual (Node);
 807
 808             --  Normal case where <<< >>> may be required
 809
 810             else
 811                Write_Rewrite_Str ("<<<");
 812                Sprint_Node_Actual (Node);
 813                Write_Rewrite_Str (">>>");
 814             end if;
 815          end if;
 816
 817       elsif Is_Rewrite_Substitution (Node) then
 818
 819          --  Case of dump generated only
 820
 821          if Dump_Generated_Only then
 822             Sprint_Node_Actual (Node);
 823
 824          --  Case of dump original only
 825
 826          elsif Dump_Original_Only then
 827             Sprint_Node_Actual (Original_Node (Node));
 828
 829          --  Case of both being dumped
 830
 831          else
 832             Sprint_Node_Actual (Original_Node (Node));
 833             Write_Rewrite_Str ("<<<");
 834             Sprint_Node_Actual (Node);
 835             Write_Rewrite_Str (">>>");
 836          end if;
 837
 838       else
 839          Sprint_Node_Actual (Node);
 840       end if;
 841    end Sprint_Node;
 842
 843    ------------------------
 844    -- Sprint_Node_Actual --
 845    ------------------------
 846
 847    procedure Sprint_Node_Actual (Node : Node_Id) is
 848       Save_Dump_Node : constant Node_Id := Dump_Node;
 849
 850    begin
 851       if Node = Empty then
 852          return;
 853       end if;
 854
 855       for J in 1 .. Paren_Count (Node) loop
 856          Write_Str_With_Col_Check ("(");
 857       end loop;
 858
 859       --  Setup current dump node
 860
 861       Dump_Node := Node;
 862
 863       if Nkind (Node) in N_Subexpr
 864         and then Do_Range_Check (Node)
 865       then
 866          Write_Str_With_Col_Check ("{");
 867       end if;
 868
 869       --  Select print circuit based on node kind
 870
 871       case Nkind (Node) is
 872          when N_Abort_Statement =>
 873             Write_Indent_Str_Sloc ("abort ");
 874             Sprint_Comma_List (Names (Node));
 875             Write_Char (';');
 876
 877          when N_Abortable_Part =>
 878             Set_Debug_Sloc;
 879             Write_Str_Sloc ("abort ");
 880             Sprint_Indented_List (Statements (Node));
 881
 882          when N_Abstract_Subprogram_Declaration =>
 883             Write_Indent;
 884             Sprint_Node (Specification (Node));
 885             Write_Str_With_Col_Check (" is ");
 886             Write_Str_Sloc ("abstract;");
 887
 888          when N_Accept_Alternative =>
 889             Sprint_Node_List (Pragmas_Before (Node));
 890
 891             if Present (Condition (Node)) then
 892                Write_Indent_Str ("when ");
 893                Sprint_Node (Condition (Node));
 894                Write_Str (" => ");
 895                Indent_Annull;
 896             end if;
 897
 898             Sprint_Node_Sloc (Accept_Statement (Node));
 899             Sprint_Node_List (Statements (Node));
 900
 901          when N_Accept_Statement =>
 902             Write_Indent_Str_Sloc ("accept ");
 903             Write_Id (Entry_Direct_Name (Node));
 904
 905             if Present (Entry_Index (Node)) then
 906                Write_Str_With_Col_Check (" (");
 907                Sprint_Node (Entry_Index (Node));
 908                Write_Char (')');
 909             end if;
 910
 911             Write_Param_Specs (Node);
 912
 913             if Present (Handled_Statement_Sequence (Node)) then
 914                Write_Str_With_Col_Check (" do");
 915                Sprint_Node (Handled_Statement_Sequence (Node));
 916                Write_Indent_Str ("end ");
 917                Write_Id (Entry_Direct_Name (Node));
 918             end if;
 919
 920             Write_Char (';');
 921
 922          when N_Access_Definition =>
 923
 924             --  Ada 2005 (AI-254)
 925
 926             if Present (Access_To_Subprogram_Definition (Node)) then
 927                Sprint_Node (Access_To_Subprogram_Definition (Node));
 928             else
 929                --  Ada 2005 (AI-231)
 930
 931                if Null_Exclusion_Present (Node) then
 932                   Write_Str ("not null ");
 933                end if;
 934
 935                Write_Str_With_Col_Check_Sloc ("access ");
 936
 937                if All_Present (Node) then
 938                   Write_Str ("all ");
 939                elsif Constant_Present (Node) then
 940                   Write_Str ("constant ");
 941                end if;
 942
 943                Sprint_Node (Subtype_Mark (Node));
 944             end if;
 945
 946          when N_Access_Function_Definition =>
 947
 948             --  Ada 2005 (AI-231)
 949
 950             if Null_Exclusion_Present (Node) then
 951                Write_Str ("not null ");
 952             end if;
 953
 954             Write_Str_With_Col_Check_Sloc ("access ");
 955
 956             if Protected_Present (Node) then
 957                Write_Str_With_Col_Check ("protected ");
 958             end if;
 959
 960             Write_Str_With_Col_Check ("function");
 961             Write_Param_Specs (Node);
 962             Write_Str_With_Col_Check (" return ");
 963             Sprint_Node (Result_Definition (Node));
 964
 965          when N_Access_Procedure_Definition =>
 966
 967             --  Ada 2005 (AI-231)
 968
 969             if Null_Exclusion_Present (Node) then
 970                Write_Str ("not null ");
 971             end if;
 972
 973             Write_Str_With_Col_Check_Sloc ("access ");
 974
 975             if Protected_Present (Node) then
 976                Write_Str_With_Col_Check ("protected ");
 977             end if;
 978
 979             Write_Str_With_Col_Check ("procedure");
 980             Write_Param_Specs (Node);
 981
 982          when N_Access_To_Object_Definition =>
 983             Write_Str_With_Col_Check_Sloc ("access ");
 984
 985             if All_Present (Node) then
 986                Write_Str_With_Col_Check ("all ");
 987             elsif Constant_Present (Node) then
 988                Write_Str_With_Col_Check ("constant ");
 989             end if;
 990
 991             --  Ada 2005 (AI-231)
 992
 993             if Null_Exclusion_Present (Node) then
 994                Write_Str ("not null ");
 995             end if;
 996
 997             Sprint_Node (Subtype_Indication (Node));
 998
 999          when N_Aggregate =>
1000             if Null_Record_Present (Node) then
1001                Write_Str_With_Col_Check_Sloc ("(null record)");
1002
1003             else
1004                Write_Str_With_Col_Check_Sloc ("(");
1005
1006                if Present (Expressions (Node)) then
1007                   Sprint_Comma_List (Expressions (Node));
1008
1009                   if Present (Component_Associations (Node))
1010                     and then not Is_Empty_List (Component_Associations (Node))
1011                   then
1012                      Write_Str (", ");
1013                   end if;
1014                end if;
1015
1016                if Present (Component_Associations (Node))
1017                  and then not Is_Empty_List (Component_Associations (Node))
1018                then
1019                   Indent_Begin;
1020
1021                   declare
1022                      Nd : Node_Id;
1023
1024                   begin
1025                      Nd := First (Component_Associations (Node));
1026
1027                      loop
1028                         Write_Indent;
1029                         Sprint_Node (Nd);
1030                         Next (Nd);
1031                         exit when No (Nd);
1032
1033                         if not Is_Rewrite_Insertion (Nd)
1034                           or else not Dump_Original_Only
1035                         then
1036                            Write_Str (", ");
1037                         end if;
1038                      end loop;
1039                   end;
1040
1041                   Indent_End;
1042                end if;
1043
1044                Write_Char (')');
1045             end if;
1046
1047          when N_Allocator =>
1048             Write_Str_With_Col_Check_Sloc ("new ");
1049
1050             --  Ada 2005 (AI-231)
1051
1052             if Null_Exclusion_Present (Node) then
1053                Write_Str ("not null ");
1054             end if;
1055
1056             Sprint_Node (Expression (Node));
1057
1058             if Present (Storage_Pool (Node)) then
1059                Write_Str_With_Col_Check ("[storage_pool = ");
1060                Sprint_Node (Storage_Pool (Node));
1061                Write_Char (']');
1062             end if;
1063
1064          when N_And_Then =>
1065             Sprint_Left_Opnd (Node);
1066             Write_Str_Sloc (" and then ");
1067             Sprint_Right_Opnd (Node);
1068
1069          --  Note: the following code for N_Aspect_Specification is not
1070          --  normally used, since we deal with aspects as part of a
1071          --  declaration, but it is here in case we deliberately try
1072          --  to print an N_Aspect_Speficiation node (e.g. from GDB).
1073
1074          when N_Aspect_Specification =>
1075             Sprint_Node (Identifier (Node));
1076             Write_Str (" => ");
1077             Sprint_Node (Expression (Node));
1078
1079          when N_Assignment_Statement =>
1080             Write_Indent;
1081             Sprint_Node (Name (Node));
1082             Write_Str_Sloc (" := ");
1083             Sprint_Node (Expression (Node));
1084             Write_Char (';');
1085
1086          when N_Asynchronous_Select =>
1087             Write_Indent_Str_Sloc ("select");
1088             Indent_Begin;
1089             Sprint_Node (Triggering_Alternative (Node));
1090             Indent_End;
1091
1092             --  Note: let the printing of Abortable_Part handle outputting
1093             --  the ABORT keyword, so that the Sloc can be set correctly.
1094
1095             Write_Indent_Str ("then ");
1096             Sprint_Node (Abortable_Part (Node));
1097             Write_Indent_Str ("end select;");
1098
1099          when N_At_Clause =>
1100             Write_Indent_Str_Sloc ("for ");
1101             Write_Id (Identifier (Node));
1102             Write_Str_With_Col_Check (" use at ");
1103             Sprint_Node (Expression (Node));
1104             Write_Char (';');
1105
1106          when N_Attribute_Definition_Clause =>
1107             Write_Indent_Str_Sloc ("for ");
1108             Sprint_Node (Name (Node));
1109             Write_Char (''');
1110             Write_Name_With_Col_Check (Chars (Node));
1111             Write_Str_With_Col_Check (" use ");
1112             Sprint_Node (Expression (Node));
1113             Write_Char (';');
1114
1115          when N_Attribute_Reference =>
1116             if Is_Procedure_Attribute_Name (Attribute_Name (Node)) then
1117                Write_Indent;
1118             end if;
1119
1120             Sprint_Node (Prefix (Node));
1121             Write_Char_Sloc (''');
1122             Write_Name_With_Col_Check (Attribute_Name (Node));
1123             Sprint_Paren_Comma_List (Expressions (Node));
1124
1125             if Is_Procedure_Attribute_Name (Attribute_Name (Node)) then
1126                Write_Char (';');
1127             end if;
1128
1129          when N_Block_Statement =>
1130             Write_Indent;
1131
1132             if Present (Identifier (Node))
1133               and then (not Has_Created_Identifier (Node)
1134                          or else not Dump_Original_Only)
1135             then
1136                Write_Rewrite_Str ("<<<");
1137                Write_Id (Identifier (Node));
1138                Write_Str (" : ");
1139                Write_Rewrite_Str (">>>");
1140             end if;
1141
1142             if Present (Declarations (Node)) then
1143                Write_Str_With_Col_Check_Sloc ("declare");
1144                Sprint_Indented_List (Declarations (Node));
1145                Write_Indent;
1146             end if;
1147
1148             Write_Str_With_Col_Check_Sloc ("begin");
1149             Sprint_Node (Handled_Statement_Sequence (Node));
1150             Write_Indent_Str ("end");
1151
1152             if Present (Identifier (Node))
1153               and then (not Has_Created_Identifier (Node)
1154                           or else not Dump_Original_Only)
1155             then
1156                Write_Rewrite_Str ("<<<");
1157                Write_Char (' ');
1158                Write_Id (Identifier (Node));
1159                Write_Rewrite_Str (">>>");
1160             end if;
1161
1162             Write_Char (';');
1163
1164          when N_Case_Expression =>
1165             declare
1166                Has_Parens : constant Boolean := Paren_Count (Node) > 0;
1167                Alt        : Node_Id;
1168
1169             begin
1170                --  The syntax for case_expression does not include parentheses,
1171                --  but sometimes parentheses are required, so unconditionally
1172                --  generate them here unless already present.
1173
1174                if not Has_Parens then
1175                   Write_Char ('(');
1176                end if;
1177
1178                Write_Str_With_Col_Check_Sloc ("case ");
1179                Sprint_Node (Expression (Node));
1180                Write_Str_With_Col_Check (" is");
1181
1182                Alt := First (Alternatives (Node));
1183                loop
1184                   Sprint_Node (Alt);
1185                   Next (Alt);
1186                   exit when No (Alt);
1187                   Write_Char (',');
1188                end loop;
1189
1190                if not Has_Parens then
1191                   Write_Char (')');
1192                end if;
1193             end;
1194
1195          when N_Case_Expression_Alternative =>
1196             Write_Str_With_Col_Check (" when ");
1197             Sprint_Bar_List (Discrete_Choices (Node));
1198             Write_Str (" => ");
1199             Sprint_Node (Expression (Node));
1200
1201          when N_Case_Statement =>
1202             Write_Indent_Str_Sloc ("case ");
1203             Sprint_Node (Expression (Node));
1204             Write_Str (" is");
1205             Sprint_Indented_List (Alternatives (Node));
1206             Write_Indent_Str ("end case;");
1207
1208          when N_Case_Statement_Alternative =>
1209             Write_Indent_Str_Sloc ("when ");
1210             Sprint_Bar_List (Discrete_Choices (Node));
1211             Write_Str (" => ");
1212             Sprint_Indented_List (Statements (Node));
1213
1214          when N_Character_Literal =>
1215             if Column > Sprint_Line_Limit - 2 then
1216                Write_Indent_Str ("  ");
1217             end if;
1218
1219             Write_Char_Sloc (''');
1220             Write_Char_Code (UI_To_CC (Char_Literal_Value (Node)));
1221             Write_Char (''');
1222
1223          when N_Code_Statement =>
1224             Write_Indent;
1225             Set_Debug_Sloc;
1226             Sprint_Node (Expression (Node));
1227             Write_Char (';');
1228
1229          when N_Compilation_Unit =>
1230             Sprint_Node_List (Context_Items (Node));
1231             Sprint_Opt_Node_List (Declarations (Aux_Decls_Node (Node)));
1232
1233             if Private_Present (Node) then
1234                Write_Indent_Str ("private ");
1235                Indent_Annull;
1236             end if;
1237
1238             Sprint_Node_Sloc (Unit (Node));
1239
1240             if Present (Actions (Aux_Decls_Node (Node)))
1241                  or else
1242                Present (Pragmas_After (Aux_Decls_Node (Node)))
1243             then
1244                Write_Indent;
1245             end if;
1246
1247             Sprint_Opt_Node_List (Actions (Aux_Decls_Node (Node)));
1248             Sprint_Opt_Node_List (Pragmas_After (Aux_Decls_Node (Node)));
1249
1250          when N_Compilation_Unit_Aux =>
1251             null; -- nothing to do, never used, see above
1252
1253          when N_Component_Association =>
1254             Set_Debug_Sloc;
1255             Sprint_Bar_List (Choices (Node));
1256             Write_Str (" => ");
1257
1258             --  Ada 2005 (AI-287): Print the box if present
1259
1260             if Box_Present (Node) then
1261                Write_Str_With_Col_Check ("<>");
1262             else
1263                Sprint_Node (Expression (Node));
1264             end if;
1265
1266          when N_Component_Clause =>
1267             Write_Indent;
1268             Sprint_Node (Component_Name (Node));
1269             Write_Str_Sloc (" at ");
1270             Sprint_Node (Position (Node));
1271             Write_Char (' ');
1272             Write_Str_With_Col_Check ("range ");
1273             Sprint_Node (First_Bit (Node));
1274             Write_Str (" .. ");
1275             Sprint_Node (Last_Bit (Node));
1276             Write_Char (';');
1277
1278          when N_Component_Definition =>
1279             Set_Debug_Sloc;
1280
1281             --  Ada 2005 (AI-230): Access definition components
1282
1283             if Present (Access_Definition (Node)) then
1284                Sprint_Node (Access_Definition (Node));
1285
1286             elsif Present (Subtype_Indication (Node)) then
1287                if Aliased_Present (Node) then
1288                   Write_Str_With_Col_Check ("aliased ");
1289                end if;
1290
1291                --  Ada 2005 (AI-231)
1292
1293                if Null_Exclusion_Present (Node) then
1294                   Write_Str (" not null ");
1295                end if;
1296
1297                Sprint_Node (Subtype_Indication (Node));
1298
1299             else
1300                Write_Str (" ??? ");
1301             end if;
1302
1303          when N_Component_Declaration =>
1304             if Write_Indent_Identifiers_Sloc (Node) then
1305                Write_Str (" : ");
1306                Sprint_Node (Component_Definition (Node));
1307
1308                if Present (Expression (Node)) then
1309                   Write_Str (" := ");
1310                   Sprint_Node (Expression (Node));
1311                end if;
1312
1313                Write_Char (';');
1314             end if;
1315
1316          when N_Component_List =>
1317             if Null_Present (Node) then
1318                Indent_Begin;
1319                Write_Indent_Str_Sloc ("null");
1320                Write_Char (';');
1321                Indent_End;
1322
1323             else
1324                Set_Debug_Sloc;
1325                Sprint_Indented_List (Component_Items (Node));
1326                Sprint_Node (Variant_Part (Node));
1327             end if;
1328
1329          when N_Compound_Statement =>
1330             Write_Indent_Str ("do");
1331             Indent_Begin;
1332             Sprint_Node_List (Actions (Node));
1333             Indent_End;
1334             Write_Indent_Str ("end;");
1335
1336          when N_Conditional_Entry_Call =>
1337             Write_Indent_Str_Sloc ("select");
1338             Indent_Begin;
1339             Sprint_Node (Entry_Call_Alternative (Node));
1340             Indent_End;
1341             Write_Indent_Str ("else");
1342             Sprint_Indented_List (Else_Statements (Node));
1343             Write_Indent_Str ("end select;");
1344
1345          when N_Constrained_Array_Definition =>
1346             Write_Str_With_Col_Check_Sloc ("array ");
1347             Sprint_Paren_Comma_List (Discrete_Subtype_Definitions (Node));
1348             Write_Str (" of ");
1349
1350             Sprint_Node (Component_Definition (Node));
1351
1352          --  A contract node should not appear in the tree. It is a semantic
1353          --  node attached to entry and [generic] subprogram entities.
1354
1355          when N_Contract =>
1356             raise Program_Error;
1357
1358          when N_Decimal_Fixed_Point_Definition =>
1359             Write_Str_With_Col_Check_Sloc (" delta ");
1360             Sprint_Node (Delta_Expression (Node));
1361             Write_Str_With_Col_Check ("digits ");
1362             Sprint_Node (Digits_Expression (Node));
1363             Sprint_Opt_Node (Real_Range_Specification (Node));
1364
1365          when N_Defining_Character_Literal =>
1366             Write_Name_With_Col_Check_Sloc (Chars (Node));
1367
1368          when N_Defining_Identifier =>
1369             Set_Debug_Sloc;
1370             Write_Id (Node);
1371
1372          when N_Defining_Operator_Symbol =>
1373             Write_Name_With_Col_Check_Sloc (Chars (Node));
1374
1375          when N_Defining_Program_Unit_Name =>
1376             Set_Debug_Sloc;
1377             Sprint_Node (Name (Node));
1378             Write_Char ('.');
1379             Write_Id (Defining_Identifier (Node));
1380
1381          when N_Delay_Alternative =>
1382             Sprint_Node_List (Pragmas_Before (Node));
1383
1384             if Present (Condition (Node)) then
1385                Write_Indent;
1386                Write_Str_With_Col_Check ("when ");
1387                Sprint_Node (Condition (Node));
1388                Write_Str (" => ");
1389                Indent_Annull;
1390             end if;
1391
1392             Sprint_Node_Sloc (Delay_Statement (Node));
1393             Sprint_Node_List (Statements (Node));
1394
1395          when N_Delay_Relative_Statement =>
1396             Write_Indent_Str_Sloc ("delay ");
1397             Sprint_Node (Expression (Node));
1398             Write_Char (';');
1399
1400          when N_Delay_Until_Statement =>
1401             Write_Indent_Str_Sloc ("delay until ");
1402             Sprint_Node (Expression (Node));
1403             Write_Char (';');
1404
1405          when N_Delta_Constraint =>
1406             Write_Str_With_Col_Check_Sloc ("delta ");
1407             Sprint_Node (Delta_Expression (Node));
1408             Sprint_Opt_Node (Range_Constraint (Node));
1409
1410          when N_Derived_Type_Definition =>
1411             if Abstract_Present (Node) then
1412                Write_Str_With_Col_Check ("abstract ");
1413             end if;
1414
1415             Write_Str_With_Col_Check ("new ");
1416
1417             --  Ada 2005 (AI-231)
1418
1419             if Null_Exclusion_Present (Node) then
1420                Write_Str_With_Col_Check ("not null ");
1421             end if;
1422
1423             Sprint_Node (Subtype_Indication (Node));
1424
1425             if Present (Interface_List (Node)) then
1426                Write_Str_With_Col_Check (" and ");
1427                Sprint_And_List (Interface_List (Node));
1428                Write_Str_With_Col_Check (" with ");
1429             end if;
1430
1431             if Present (Record_Extension_Part (Node)) then
1432                if No (Interface_List (Node)) then
1433                   Write_Str_With_Col_Check (" with ");
1434                end if;
1435
1436                Sprint_Node (Record_Extension_Part (Node));
1437             end if;
1438
1439          when N_Designator =>
1440             Sprint_Node (Name (Node));
1441             Write_Char_Sloc ('.');
1442             Write_Id (Identifier (Node));
1443
1444          when N_Digits_Constraint =>
1445             Write_Str_With_Col_Check_Sloc ("digits ");
1446             Sprint_Node (Digits_Expression (Node));
1447             Sprint_Opt_Node (Range_Constraint (Node));
1448
1449          when N_Discriminant_Association =>
1450             Set_Debug_Sloc;
1451
1452             if Present (Selector_Names (Node)) then
1453                Sprint_Bar_List (Selector_Names (Node));
1454                Write_Str (" => ");
1455             end if;
1456
1457             Set_Debug_Sloc;
1458             Sprint_Node (Expression (Node));
1459
1460          when N_Discriminant_Specification =>
1461             Set_Debug_Sloc;
1462
1463             if Write_Identifiers (Node) then
1464                Write_Str (" : ");
1465
1466                if Null_Exclusion_Present (Node) then
1467                   Write_Str ("not null ");
1468                end if;
1469
1470                Sprint_Node (Discriminant_Type (Node));
1471
1472                if Present (Expression (Node)) then
1473                   Write_Str (" := ");
1474                   Sprint_Node (Expression (Node));
1475                end if;
1476             else
1477                Write_Str (", ");
1478             end if;
1479
1480          when N_Elsif_Part =>
1481             Write_Indent_Str_Sloc ("elsif ");
1482             Sprint_Node (Condition (Node));
1483             Write_Str_With_Col_Check (" then");
1484             Sprint_Indented_List (Then_Statements (Node));
1485
1486          when N_Empty =>
1487             null;
1488
1489          when N_Entry_Body =>
1490             Write_Indent_Str_Sloc ("entry ");
1491             Write_Id (Defining_Identifier (Node));
1492             Sprint_Node (Entry_Body_Formal_Part (Node));
1493             Write_Str_With_Col_Check (" is");
1494             Sprint_Indented_List (Declarations (Node));
1495             Write_Indent_Str ("begin");
1496             Sprint_Node (Handled_Statement_Sequence (Node));
1497             Write_Indent_Str ("end ");
1498             Write_Id (Defining_Identifier (Node));
1499             Write_Char (';');
1500
1501          when N_Entry_Body_Formal_Part =>
1502             if Present (Entry_Index_Specification (Node)) then
1503                Write_Str_With_Col_Check_Sloc (" (");
1504                Sprint_Node (Entry_Index_Specification (Node));
1505                Write_Char (')');
1506             end if;
1507
1508             Write_Param_Specs (Node);
1509             Write_Str_With_Col_Check_Sloc (" when ");
1510             Sprint_Node (Condition (Node));
1511
1512          when N_Entry_Call_Alternative =>
1513             Sprint_Node_List (Pragmas_Before (Node));
1514             Sprint_Node_Sloc (Entry_Call_Statement (Node));
1515             Sprint_Node_List (Statements (Node));
1516
1517          when N_Entry_Call_Statement =>
1518             Write_Indent;
1519             Sprint_Node_Sloc (Name (Node));
1520             Sprint_Opt_Paren_Comma_List (Parameter_Associations (Node));
1521             Write_Char (';');
1522
1523          when N_Entry_Declaration =>
1524             Write_Indent_Str_Sloc ("entry ");
1525             Write_Id (Defining_Identifier (Node));
1526
1527             if Present (Discrete_Subtype_Definition (Node)) then
1528                Write_Str_With_Col_Check (" (");
1529                Sprint_Node (Discrete_Subtype_Definition (Node));
1530                Write_Char (')');
1531             end if;
1532
1533             Write_Param_Specs (Node);
1534             Write_Char (';');
1535
1536          when N_Entry_Index_Specification =>
1537             Write_Str_With_Col_Check_Sloc ("for ");
1538             Write_Id (Defining_Identifier (Node));
1539             Write_Str_With_Col_Check (" in ");
1540             Sprint_Node (Discrete_Subtype_Definition (Node));
1541
1542          when N_Enumeration_Representation_Clause =>
1543             Write_Indent_Str_Sloc ("for ");
1544             Write_Id (Identifier (Node));
1545             Write_Str_With_Col_Check (" use ");
1546             Sprint_Node (Array_Aggregate (Node));
1547             Write_Char (';');
1548
1549          when N_Enumeration_Type_Definition =>
1550             Set_Debug_Sloc;
1551
1552             --  Skip attempt to print Literals field if it's not there and
1553             --  we are in package Standard (case of Character, which is
1554             --  handled specially (without an explicit literals list).
1555
1556             if Sloc (Node) > Standard_Location
1557               or else Present (Literals (Node))
1558             then
1559                Sprint_Paren_Comma_List (Literals (Node));
1560             end if;
1561
1562          when N_Error =>
1563             Write_Str_With_Col_Check_Sloc ("<error>");
1564
1565          when N_Exception_Declaration =>
1566             if Write_Indent_Identifiers (Node) then
1567                Write_Str_With_Col_Check (" : ");
1568
1569                if Is_Statically_Allocated (Defining_Identifier (Node)) then
1570                   Write_Str_With_Col_Check ("static ");
1571                end if;
1572
1573                Write_Str_Sloc ("exception");
1574
1575                if Present (Expression (Node)) then
1576                   Write_Str (" := ");
1577                   Sprint_Node (Expression (Node));
1578                end if;
1579
1580                Write_Char (';');
1581             end if;
1582
1583          when N_Exception_Handler =>
1584             Write_Indent_Str_Sloc ("when ");
1585
1586             if Present (Choice_Parameter (Node)) then
1587                Sprint_Node (Choice_Parameter (Node));
1588                Write_Str (" : ");
1589             end if;
1590
1591             Sprint_Bar_List (Exception_Choices (Node));
1592             Write_Str (" => ");
1593             Sprint_Indented_List (Statements (Node));
1594
1595          when N_Exception_Renaming_Declaration =>
1596             Write_Indent;
1597             Set_Debug_Sloc;
1598             Sprint_Node (Defining_Identifier (Node));
1599             Write_Str_With_Col_Check (" : exception renames ");
1600             Sprint_Node (Name (Node));
1601             Write_Char (';');
1602
1603          when N_Exit_Statement =>
1604             Write_Indent_Str_Sloc ("exit");
1605             Sprint_Opt_Node (Name (Node));
1606
1607             if Present (Condition (Node)) then
1608                Write_Str_With_Col_Check (" when ");
1609                Sprint_Node (Condition (Node));
1610             end if;
1611
1612             Write_Char (';');
1613
1614          when N_Expanded_Name =>
1615             Sprint_Node (Prefix (Node));
1616             Write_Char_Sloc ('.');
1617             Sprint_Node (Selector_Name (Node));
1618
1619          when N_Explicit_Dereference =>
1620             Sprint_Node (Prefix (Node));
1621             Write_Char_Sloc ('.');
1622             Write_Str_Sloc ("all");
1623
1624          when N_Expression_With_Actions =>
1625             Indent_Begin;
1626             Write_Indent_Str_Sloc ("do ");
1627             Indent_Begin;
1628             Sprint_Node_List (Actions (Node));
1629             Indent_End;
1630             Write_Indent;
1631             Write_Str_With_Col_Check_Sloc ("in ");
1632             Sprint_Node (Expression (Node));
1633             Write_Str_With_Col_Check (" end");
1634             Indent_End;
1635             Write_Indent;
1636
1637          when N_Expression_Function =>
1638             Write_Indent;
1639             Sprint_Node_Sloc (Specification (Node));
1640             Write_Str (" is");
1641             Indent_Begin;
1642             Write_Indent;
1643             Sprint_Node (Expression (Node));
1644             Write_Char (';');
1645             Indent_End;
1646
1647          when N_Extended_Return_Statement =>
1648             Write_Indent_Str_Sloc ("return ");
1649             Sprint_Node_List (Return_Object_Declarations (Node));
1650
1651             if Present (Handled_Statement_Sequence (Node)) then
1652                Write_Str_With_Col_Check (" do");
1653                Sprint_Node (Handled_Statement_Sequence (Node));
1654                Write_Indent_Str ("end return;");
1655             else
1656                Write_Indent_Str (";");
1657             end if;
1658
1659          when N_Extension_Aggregate =>
1660             Write_Str_With_Col_Check_Sloc ("(");
1661             Sprint_Node (Ancestor_Part (Node));
1662             Write_Str_With_Col_Check (" with ");
1663
1664             if Null_Record_Present (Node) then
1665                Write_Str_With_Col_Check ("null record");
1666             else
1667                if Present (Expressions (Node)) then
1668                   Sprint_Comma_List (Expressions (Node));
1669
1670                   if Present (Component_Associations (Node)) then
1671                      Write_Str (", ");
1672                   end if;
1673                end if;
1674
1675                if Present (Component_Associations (Node)) then
1676                   Sprint_Comma_List (Component_Associations (Node));
1677                end if;
1678             end if;
1679
1680             Write_Char (')');
1681
1682          when N_Floating_Point_Definition =>
1683             Write_Str_With_Col_Check_Sloc ("digits ");
1684             Sprint_Node (Digits_Expression (Node));
1685             Sprint_Opt_Node (Real_Range_Specification (Node));
1686
1687          when N_Formal_Decimal_Fixed_Point_Definition =>
1688             Write_Str_With_Col_Check_Sloc ("delta <> digits <>");
1689
1690          when N_Formal_Derived_Type_Definition =>
1691             Write_Str_With_Col_Check_Sloc ("new ");
1692             Sprint_Node (Subtype_Mark (Node));
1693
1694             if Present (Interface_List (Node)) then
1695                Write_Str_With_Col_Check (" and ");
1696                Sprint_And_List (Interface_List (Node));
1697             end if;
1698
1699             if Private_Present (Node) then
1700                Write_Str_With_Col_Check (" with private");
1701             end if;
1702
1703          when N_Formal_Abstract_Subprogram_Declaration =>
1704             Write_Indent_Str_Sloc ("with ");
1705             Sprint_Node (Specification (Node));
1706
1707             Write_Str_With_Col_Check (" is abstract");
1708
1709             if Box_Present (Node) then
1710                Write_Str_With_Col_Check (" <>");
1711             elsif Present (Default_Name (Node)) then
1712                Write_Str_With_Col_Check (" ");
1713                Sprint_Node (Default_Name (Node));
1714             end if;
1715
1716             Write_Char (';');
1717
1718          when N_Formal_Concrete_Subprogram_Declaration =>
1719             Write_Indent_Str_Sloc ("with ");
1720             Sprint_Node (Specification (Node));
1721
1722             if Box_Present (Node) then
1723                Write_Str_With_Col_Check (" is <>");
1724             elsif Present (Default_Name (Node)) then
1725                Write_Str_With_Col_Check (" is ");
1726                Sprint_Node (Default_Name (Node));
1727             end if;
1728
1729             Write_Char (';');
1730
1731          when N_Formal_Discrete_Type_Definition =>
1732             Write_Str_With_Col_Check_Sloc ("<>");
1733
1734          when N_Formal_Floating_Point_Definition =>
1735             Write_Str_With_Col_Check_Sloc ("digits <>");
1736
1737          when N_Formal_Modular_Type_Definition =>
1738             Write_Str_With_Col_Check_Sloc ("mod <>");
1739
1740          when N_Formal_Object_Declaration =>
1741             Set_Debug_Sloc;
1742
1743             if Write_Indent_Identifiers (Node) then
1744                Write_Str (" : ");
1745
1746                if In_Present (Node) then
1747                   Write_Str_With_Col_Check ("in ");
1748                end if;
1749
1750                if Out_Present (Node) then
1751                   Write_Str_With_Col_Check ("out ");
1752                end if;
1753
1754                if Present (Subtype_Mark (Node)) then
1755
1756                   --  Ada 2005 (AI-423): Formal object with null exclusion
1757
1758                   if Null_Exclusion_Present (Node) then
1759                      Write_Str ("not null ");
1760                   end if;
1761
1762                   Sprint_Node (Subtype_Mark (Node));
1763
1764                --  Ada 2005 (AI-423): Formal object with access definition
1765
1766                else
1767                   pragma Assert (Present (Access_Definition (Node)));
1768
1769                   Sprint_Node (Access_Definition (Node));
1770                end if;
1771
1772                if Present (Default_Expression (Node)) then
1773                   Write_Str (" := ");
1774                   Sprint_Node (Default_Expression (Node));
1775                end if;
1776
1777                Write_Char (';');
1778             end if;
1779
1780          when N_Formal_Ordinary_Fixed_Point_Definition =>
1781             Write_Str_With_Col_Check_Sloc ("delta <>");
1782
1783          when N_Formal_Package_Declaration =>
1784             Write_Indent_Str_Sloc ("with package ");
1785             Write_Id (Defining_Identifier (Node));
1786             Write_Str_With_Col_Check (" is new ");
1787             Sprint_Node (Name (Node));
1788             Write_Str_With_Col_Check (" (<>);");
1789
1790          when N_Formal_Private_Type_Definition =>
1791             if Abstract_Present (Node) then
1792                Write_Str_With_Col_Check ("abstract ");
1793             end if;
1794
1795             if Tagged_Present (Node) then
1796                Write_Str_With_Col_Check ("tagged ");
1797             end if;
1798
1799             if Limited_Present (Node) then
1800                Write_Str_With_Col_Check ("limited ");
1801             end if;
1802
1803             Write_Str_With_Col_Check_Sloc ("private");
1804
1805          when N_Formal_Incomplete_Type_Definition =>
1806             if Tagged_Present (Node) then
1807                Write_Str_With_Col_Check ("is tagged ");
1808             end if;
1809
1810          when N_Formal_Signed_Integer_Type_Definition =>
1811             Write_Str_With_Col_Check_Sloc ("range <>");
1812
1813          when N_Formal_Type_Declaration =>
1814             Write_Indent_Str_Sloc ("type ");
1815             Write_Id (Defining_Identifier (Node));
1816
1817             if Present (Discriminant_Specifications (Node)) then
1818                Write_Discr_Specs (Node);
1819             elsif Unknown_Discriminants_Present (Node) then
1820                Write_Str_With_Col_Check ("(<>)");
1821             end if;
1822
1823             if Nkind (Formal_Type_Definition (Node)) /=
1824                 N_Formal_Incomplete_Type_Definition
1825             then
1826                Write_Str_With_Col_Check (" is ");
1827             end if;
1828
1829             Sprint_Node (Formal_Type_Definition (Node));
1830             Write_Char (';');
1831
1832          when N_Free_Statement =>
1833             Write_Indent_Str_Sloc ("free ");
1834             Sprint_Node (Expression (Node));
1835             Write_Char (';');
1836
1837          when N_Freeze_Entity =>
1838             if Dump_Original_Only then
1839                null;
1840
1841             --  A freeze node is output if it has some effect (i.e. non-empty
1842             --  actions, or freeze node for an itype, which causes elaboration
1843             --  of the itype), and is also always output if Dump_Freeze_Null
1844             --  is set True.
1845
1846             elsif Present (Actions (Node))
1847               or else Is_Itype (Entity (Node))
1848               or else Dump_Freeze_Null
1849             then
1850                Write_Indent;
1851                Write_Rewrite_Str ("<<<");
1852                Write_Str_With_Col_Check_Sloc ("freeze ");
1853                Write_Id (Entity (Node));
1854                Write_Str (" [");
1855
1856                if No (Actions (Node)) then
1857                   Write_Char (']');
1858
1859                else
1860                   --  Output freeze actions. We increment Freeze_Indent during
1861                   --  this output to avoid generating extra blank lines before
1862                   --  any procedures included in the freeze actions.
1863
1864                   Freeze_Indent := Freeze_Indent + 1;
1865                   Sprint_Indented_List (Actions (Node));
1866                   Freeze_Indent := Freeze_Indent - 1;
1867                   Write_Indent_Str ("]");
1868                end if;
1869
1870                Write_Rewrite_Str (">>>");
1871             end if;
1872
1873          when N_Freeze_Generic_Entity =>
1874             if Dump_Original_Only then
1875                null;
1876
1877             else
1878                Write_Indent;
1879                Write_Str_With_Col_Check_Sloc ("freeze_generic ");
1880                Write_Id (Entity (Node));
1881             end if;
1882
1883          when N_Full_Type_Declaration =>
1884             Write_Indent_Str_Sloc ("type ");
1885             Sprint_Node (Defining_Identifier (Node));
1886             Write_Discr_Specs (Node);
1887             Write_Str_With_Col_Check (" is ");
1888             Sprint_Node (Type_Definition (Node));
1889             Write_Char (';');
1890
1891          when N_Function_Call =>
1892             Set_Debug_Sloc;
1893             Write_Subprogram_Name (Name (Node));
1894             Sprint_Opt_Paren_Comma_List (Parameter_Associations (Node));
1895
1896          when N_Function_Instantiation =>
1897             Write_Indent_Str_Sloc ("function ");
1898             Sprint_Node (Defining_Unit_Name (Node));
1899             Write_Str_With_Col_Check (" is new ");
1900             Sprint_Node (Name (Node));
1901             Sprint_Opt_Paren_Comma_List (Generic_Associations (Node));
1902             Write_Char (';');
1903
1904          when N_Function_Specification =>
1905             Write_Str_With_Col_Check_Sloc ("function ");
1906             Sprint_Node (Defining_Unit_Name (Node));
1907             Write_Param_Specs (Node);
1908             Write_Str_With_Col_Check (" return ");
1909
1910             --  Ada 2005 (AI-231)
1911
1912             if Nkind (Result_Definition (Node)) /= N_Access_Definition
1913               and then Null_Exclusion_Present (Node)
1914             then
1915                Write_Str (" not null ");
1916             end if;
1917
1918             Sprint_Node (Result_Definition (Node));
1919
1920          when N_Generic_Association =>
1921             Set_Debug_Sloc;
1922
1923             if Present (Selector_Name (Node)) then
1924                Sprint_Node (Selector_Name (Node));
1925                Write_Str (" => ");
1926             end if;
1927
1928             Sprint_Node (Explicit_Generic_Actual_Parameter (Node));
1929
1930          when N_Generic_Function_Renaming_Declaration =>
1931             Write_Indent_Str_Sloc ("generic function ");
1932             Sprint_Node (Defining_Unit_Name (Node));
1933             Write_Str_With_Col_Check (" renames ");
1934             Sprint_Node (Name (Node));
1935             Write_Char (';');
1936
1937          when N_Generic_Package_Declaration =>
1938             Extra_Blank_Line;
1939             Write_Indent_Str_Sloc ("generic ");
1940             Sprint_Indented_List (Generic_Formal_Declarations (Node));
1941             Write_Indent;
1942             Sprint_Node (Specification (Node));
1943             Write_Char (';');
1944
1945          when N_Generic_Package_Renaming_Declaration =>
1946             Write_Indent_Str_Sloc ("generic package ");
1947             Sprint_Node (Defining_Unit_Name (Node));
1948             Write_Str_With_Col_Check (" renames ");
1949             Sprint_Node (Name (Node));
1950             Write_Char (';');
1951
1952          when N_Generic_Procedure_Renaming_Declaration =>
1953             Write_Indent_Str_Sloc ("generic procedure ");
1954             Sprint_Node (Defining_Unit_Name (Node));
1955             Write_Str_With_Col_Check (" renames ");
1956             Sprint_Node (Name (Node));
1957             Write_Char (';');
1958
1959          when N_Generic_Subprogram_Declaration =>
1960             Extra_Blank_Line;
1961             Write_Indent_Str_Sloc ("generic ");
1962             Sprint_Indented_List (Generic_Formal_Declarations (Node));
1963             Write_Indent;
1964             Sprint_Node (Specification (Node));
1965             Write_Char (';');
1966
1967          when N_Goto_Statement =>
1968             Write_Indent_Str_Sloc ("goto ");
1969             Sprint_Node (Name (Node));
1970             Write_Char (';');
1971
1972             if Nkind (Next (Node)) = N_Label then
1973                Write_Indent;
1974             end if;
1975
1976          when N_Handled_Sequence_Of_Statements =>
1977             Set_Debug_Sloc;
1978             Sprint_Indented_List (Statements (Node));
1979
1980             if Present (Exception_Handlers (Node)) then
1981                Write_Indent_Str ("exception");
1982                Indent_Begin;
1983                Sprint_Node_List (Exception_Handlers (Node));
1984                Indent_End;
1985             end if;
1986
1987             if Present (At_End_Proc (Node)) then
1988                Write_Indent_Str ("at end");
1989                Indent_Begin;
1990                Write_Indent;
1991                Sprint_Node (At_End_Proc (Node));
1992                Write_Char (';');
1993                Indent_End;
1994             end if;
1995
1996          when N_Identifier =>
1997             Set_Debug_Sloc;
1998             Write_Id (Node);
1999
2000          when N_If_Expression =>
2001             declare
2002                Has_Parens : constant Boolean := Paren_Count (Node) > 0;
2003                Condition  : constant Node_Id := First (Expressions (Node));
2004                Then_Expr  : constant Node_Id := Next (Condition);
2005
2006             begin
2007                --  The syntax for if_expression does not include parentheses,
2008                --  but sometimes parentheses are required, so unconditionally
2009                --  generate them here unless already present.
2010
2011                if not Has_Parens then
2012                   Write_Char ('(');
2013                end if;
2014
2015                Write_Str_With_Col_Check_Sloc ("if ");
2016                Sprint_Node (Condition);
2017                Write_Str_With_Col_Check (" then ");
2018
2019                --  Defense against junk here
2020
2021                if Present (Then_Expr) then
2022                   Sprint_Node (Then_Expr);
2023
2024                   if Present (Next (Then_Expr)) then
2025                      Write_Str_With_Col_Check (" else ");
2026                      Sprint_Node (Next (Then_Expr));
2027                   end if;
2028                end if;
2029
2030                if not Has_Parens then
2031                   Write_Char (')');
2032                end if;
2033             end;
2034
2035          when N_If_Statement =>
2036             Write_Indent_Str_Sloc ("if ");
2037             Sprint_Node (Condition (Node));
2038             Write_Str_With_Col_Check (" then");
2039             Sprint_Indented_List (Then_Statements (Node));
2040             Sprint_Opt_Node_List (Elsif_Parts (Node));
2041
2042             if Present (Else_Statements (Node)) then
2043                Write_Indent_Str ("else");
2044                Sprint_Indented_List (Else_Statements (Node));
2045             end if;
2046
2047             Write_Indent_Str ("end if;");
2048
2049          when N_Implicit_Label_Declaration =>
2050             if not Dump_Original_Only then
2051                Write_Indent;
2052                Write_Rewrite_Str ("<<<");
2053                Set_Debug_Sloc;
2054                Write_Id (Defining_Identifier (Node));
2055                Write_Str (" : ");
2056                Write_Str_With_Col_Check ("label");
2057                Write_Rewrite_Str (">>>");
2058             end if;
2059
2060          when N_In =>
2061             Sprint_Left_Opnd (Node);
2062             Write_Str_Sloc (" in ");
2063
2064             if Present (Right_Opnd (Node)) then
2065                Sprint_Right_Opnd (Node);
2066             else
2067                Sprint_Bar_List (Alternatives (Node));
2068             end if;
2069
2070          when N_Incomplete_Type_Declaration =>
2071             Write_Indent_Str_Sloc ("type ");
2072             Write_Id (Defining_Identifier (Node));
2073
2074             if Present (Discriminant_Specifications (Node)) then
2075                Write_Discr_Specs (Node);
2076             elsif Unknown_Discriminants_Present (Node) then
2077                Write_Str_With_Col_Check ("(<>)");
2078             end if;
2079
2080             Write_Char (';');
2081
2082          when N_Index_Or_Discriminant_Constraint =>
2083             Set_Debug_Sloc;
2084             Sprint_Paren_Comma_List (Constraints (Node));
2085
2086          when N_Indexed_Component =>
2087             Sprint_Node_Sloc (Prefix (Node));
2088             Sprint_Opt_Paren_Comma_List (Expressions (Node));
2089
2090          when N_Integer_Literal =>
2091             if Print_In_Hex (Node) then
2092                Write_Uint_With_Col_Check_Sloc (Intval (Node), Hex);
2093             else
2094                Write_Uint_With_Col_Check_Sloc (Intval (Node), Auto);
2095             end if;
2096
2097          when N_Iteration_Scheme =>
2098             if Present (Condition (Node)) then
2099                Write_Str_With_Col_Check_Sloc ("while ");
2100                Sprint_Node (Condition (Node));
2101             else
2102                Write_Str_With_Col_Check_Sloc ("for ");
2103
2104                if Present (Iterator_Specification (Node)) then
2105                   Sprint_Node (Iterator_Specification (Node));
2106                else
2107                   Sprint_Node (Loop_Parameter_Specification (Node));
2108                end if;
2109             end if;
2110
2111             Write_Char (' ');
2112
2113          when N_Iterator_Specification =>
2114             Set_Debug_Sloc;
2115             Write_Id (Defining_Identifier (Node));
2116
2117             if Present (Subtype_Indication (Node)) then
2118                Write_Str_With_Col_Check (" : ");
2119                Sprint_Node (Subtype_Indication (Node));
2120             end if;
2121
2122             if Of_Present (Node) then
2123                Write_Str_With_Col_Check (" of ");
2124             else
2125                Write_Str_With_Col_Check (" in ");
2126             end if;
2127
2128             if Reverse_Present (Node) then
2129                Write_Str_With_Col_Check ("reverse ");
2130             end if;
2131
2132             Sprint_Node (Name (Node));
2133
2134          when N_Itype_Reference =>
2135             Write_Indent_Str_Sloc ("reference ");
2136             Write_Id (Itype (Node));
2137
2138          when N_Label =>
2139             Write_Indent_Str_Sloc ("<<");
2140             Write_Id (Identifier (Node));
2141             Write_Str (">>");
2142
2143          when N_Loop_Parameter_Specification =>
2144             Set_Debug_Sloc;
2145             Write_Id (Defining_Identifier (Node));
2146             Write_Str_With_Col_Check (" in ");
2147
2148             if Reverse_Present (Node) then
2149                Write_Str_With_Col_Check ("reverse ");
2150             end if;
2151
2152             Sprint_Node (Discrete_Subtype_Definition (Node));
2153
2154          when N_Loop_Statement =>
2155             Write_Indent;
2156
2157             if Present (Identifier (Node))
2158               and then (not Has_Created_Identifier (Node)
2159                           or else not Dump_Original_Only)
2160             then
2161                Write_Rewrite_Str ("<<<");
2162                Write_Id (Identifier (Node));
2163                Write_Str (" : ");
2164                Write_Rewrite_Str (">>>");
2165                Sprint_Node (Iteration_Scheme (Node));
2166                Write_Str_With_Col_Check_Sloc ("loop");
2167                Sprint_Indented_List (Statements (Node));
2168                Write_Indent_Str ("end loop ");
2169                Write_Rewrite_Str ("<<<");
2170                Write_Id (Identifier (Node));
2171                Write_Rewrite_Str (">>>");
2172                Write_Char (';');
2173
2174             else
2175                Sprint_Node (Iteration_Scheme (Node));
2176                Write_Str_With_Col_Check_Sloc ("loop");
2177                Sprint_Indented_List (Statements (Node));
2178                Write_Indent_Str ("end loop;");
2179             end if;
2180
2181          when N_Mod_Clause =>
2182             Sprint_Node_List (Pragmas_Before (Node));
2183             Write_Str_With_Col_Check_Sloc ("at mod ");
2184             Sprint_Node (Expression (Node));
2185
2186          when N_Modular_Type_Definition =>
2187             Write_Str_With_Col_Check_Sloc ("mod ");
2188             Sprint_Node (Expression (Node));
2189
2190          when N_Not_In =>
2191             Sprint_Left_Opnd (Node);
2192             Write_Str_Sloc (" not in ");
2193
2194             if Present (Right_Opnd (Node)) then
2195                Sprint_Right_Opnd (Node);
2196             else
2197                Sprint_Bar_List (Alternatives (Node));
2198             end if;
2199
2200          when N_Null =>
2201             Write_Str_With_Col_Check_Sloc ("null");
2202
2203          when N_Null_Statement =>
2204             if Comes_From_Source (Node)
2205               or else Dump_Freeze_Null
2206               or else not Is_List_Member (Node)
2207               or else (No (Prev (Node)) and then No (Next (Node)))
2208             then
2209                Write_Indent_Str_Sloc ("null;");
2210             end if;
2211
2212          when N_Number_Declaration =>
2213             Set_Debug_Sloc;
2214
2215             if Write_Indent_Identifiers (Node) then
2216                Write_Str_With_Col_Check (" : constant ");
2217                Write_Str (" := ");
2218                Sprint_Node (Expression (Node));
2219                Write_Char (';');
2220             end if;
2221
2222          when N_Object_Declaration =>
2223             Set_Debug_Sloc;
2224
2225             if Write_Indent_Identifiers (Node) then
2226                declare
2227                   Def_Id : constant Entity_Id := Defining_Identifier (Node);
2228
2229                begin
2230                   Write_Str_With_Col_Check (" : ");
2231
2232                   if Is_Statically_Allocated (Def_Id) then
2233                      Write_Str_With_Col_Check ("static ");
2234                   end if;
2235
2236                   if Aliased_Present (Node) then
2237                      Write_Str_With_Col_Check ("aliased ");
2238                   end if;
2239
2240                   if Constant_Present (Node) then
2241                      Write_Str_With_Col_Check ("constant ");
2242                   end if;
2243
2244                   --  Ada 2005 (AI-231)
2245
2246                   if Null_Exclusion_Present (Node) then
2247                      Write_Str_With_Col_Check ("not null ");
2248                   end if;
2249
2250                   Sprint_Node (Object_Definition (Node));
2251
2252                   if Present (Expression (Node)) then
2253                      Write_Str (" := ");
2254                      Sprint_Node (Expression (Node));
2255                   end if;
2256
2257                   Write_Char (';');
2258
2259                   --  Handle implicit importation and implicit exportation of
2260                   --  object declarations:
2261                   --    $pragma import (Convention_Id, Def_Id, "...");
2262                   --    $pragma export (Convention_Id, Def_Id, "...");
2263
2264                   if Is_Internal (Def_Id)
2265                     and then Present (Interface_Name (Def_Id))
2266                   then
2267                      Write_Indent_Str_Sloc ("$pragma ");
2268
2269                      if Is_Imported (Def_Id) then
2270                         Write_Str ("import (");
2271
2272                      else pragma Assert (Is_Exported (Def_Id));
2273                         Write_Str ("export (");
2274                      end if;
2275
2276                      declare
2277                         Prefix : constant String  := "Convention_";
2278                         S      : constant String  := Convention (Def_Id)'Img;
2279
2280                      begin
2281                         Name_Len := S'Last - Prefix'Last;
2282                         Name_Buffer (1 .. Name_Len) :=
2283                           S (Prefix'Last + 1 .. S'Last);
2284                         Set_Casing (All_Lower_Case);
2285                         Write_Str (Name_Buffer (1 .. Name_Len));
2286                      end;
2287
2288                      Write_Str (", ");
2289                      Write_Id  (Def_Id);
2290                      Write_Str (", ");
2291                      Write_String_Table_Entry
2292                        (Strval (Interface_Name (Def_Id)));
2293                      Write_Str (");");
2294                   end if;
2295                end;
2296             end if;
2297
2298          when N_Object_Renaming_Declaration =>
2299             Write_Indent;
2300             Set_Debug_Sloc;
2301             Sprint_Node (Defining_Identifier (Node));
2302             Write_Str (" : ");
2303
2304             --  Ada 2005 (AI-230): Access renamings
2305
2306             if Present (Access_Definition (Node)) then
2307                Sprint_Node (Access_Definition (Node));
2308
2309             elsif Present (Subtype_Mark (Node)) then
2310
2311                --  Ada 2005 (AI-423): Object renaming with a null exclusion
2312
2313                if Null_Exclusion_Present (Node) then
2314                   Write_Str ("not null ");
2315                end if;
2316
2317                Sprint_Node (Subtype_Mark (Node));
2318
2319             else
2320                Write_Str (" ??? ");
2321             end if;
2322
2323             Write_Str_With_Col_Check (" renames ");
2324             Sprint_Node (Name (Node));
2325             Write_Char (';');
2326
2327          when N_Op_Abs =>
2328             Write_Operator (Node, "abs ");
2329             Sprint_Right_Opnd (Node);
2330
2331          when N_Op_Add =>
2332             Sprint_Left_Opnd (Node);
2333             Write_Operator (Node, " + ");
2334             Sprint_Right_Opnd (Node);
2335
2336          when N_Op_And =>
2337             Sprint_Left_Opnd (Node);
2338             Write_Operator (Node, " and ");
2339             Sprint_Right_Opnd (Node);
2340
2341          when N_Op_Concat =>
2342             Sprint_Left_Opnd (Node);
2343             Write_Operator (Node, " & ");
2344             Sprint_Right_Opnd (Node);
2345
2346          when N_Op_Divide =>
2347             Sprint_Left_Opnd (Node);
2348             Write_Char (' ');
2349             Process_TFAI_RR_Flags (Node);
2350             Write_Operator (Node, "/ ");
2351             Sprint_Right_Opnd (Node);
2352
2353          when N_Op_Eq =>
2354             Sprint_Left_Opnd (Node);
2355             Write_Operator (Node, " = ");
2356             Sprint_Right_Opnd (Node);
2357
2358          when N_Op_Expon =>
2359             Sprint_Left_Opnd (Node);
2360             Write_Operator (Node, " ** ");
2361             Sprint_Right_Opnd (Node);
2362
2363          when N_Op_Ge =>
2364             Sprint_Left_Opnd (Node);
2365             Write_Operator (Node, " >= ");
2366             Sprint_Right_Opnd (Node);
2367
2368          when N_Op_Gt =>
2369             Sprint_Left_Opnd (Node);
2370             Write_Operator (Node, " > ");
2371             Sprint_Right_Opnd (Node);
2372
2373          when N_Op_Le =>
2374             Sprint_Left_Opnd (Node);
2375             Write_Operator (Node, " <= ");
2376             Sprint_Right_Opnd (Node);
2377
2378          when N_Op_Lt =>
2379             Sprint_Left_Opnd (Node);
2380             Write_Operator (Node, " < ");
2381             Sprint_Right_Opnd (Node);
2382
2383          when N_Op_Minus =>
2384             Write_Operator (Node, "-");
2385             Sprint_Right_Opnd (Node);
2386
2387          when N_Op_Mod =>
2388             Sprint_Left_Opnd (Node);
2389
2390             if Treat_Fixed_As_Integer (Node) then
2391                Write_Str (" #");
2392             end if;
2393
2394             Write_Operator (Node, " mod ");
2395             Sprint_Right_Opnd (Node);
2396
2397          when N_Op_Multiply =>
2398             Sprint_Left_Opnd (Node);
2399             Write_Char (' ');
2400             Process_TFAI_RR_Flags (Node);
2401             Write_Operator (Node, "* ");
2402             Sprint_Right_Opnd (Node);
2403
2404          when N_Op_Ne =>
2405             Sprint_Left_Opnd (Node);
2406             Write_Operator (Node, " /= ");
2407             Sprint_Right_Opnd (Node);
2408
2409          when N_Op_Not =>
2410             Write_Operator (Node, "not ");
2411             Sprint_Right_Opnd (Node);
2412
2413          when N_Op_Or =>
2414             Sprint_Left_Opnd (Node);
2415             Write_Operator (Node, " or ");
2416             Sprint_Right_Opnd (Node);
2417
2418          when N_Op_Plus =>
2419             Write_Operator (Node, "+");
2420             Sprint_Right_Opnd (Node);
2421
2422          when N_Op_Rem =>
2423             Sprint_Left_Opnd (Node);
2424
2425             if Treat_Fixed_As_Integer (Node) then
2426                Write_Str (" #");
2427             end if;
2428
2429             Write_Operator (Node, " rem ");
2430             Sprint_Right_Opnd (Node);
2431
2432          when N_Op_Shift =>
2433             Set_Debug_Sloc;
2434             Write_Id (Node);
2435             Write_Char ('!');
2436             Write_Str_With_Col_Check ("(");
2437             Sprint_Node (Left_Opnd (Node));
2438             Write_Str (", ");
2439             Sprint_Node (Right_Opnd (Node));
2440             Write_Char (')');
2441
2442          when N_Op_Subtract =>
2443             Sprint_Left_Opnd (Node);
2444             Write_Operator (Node, " - ");
2445             Sprint_Right_Opnd (Node);
2446
2447          when N_Op_Xor =>
2448             Sprint_Left_Opnd (Node);
2449             Write_Operator (Node, " xor ");
2450             Sprint_Right_Opnd (Node);
2451
2452          when N_Operator_Symbol =>
2453             Write_Name_With_Col_Check_Sloc (Chars (Node));
2454
2455          when N_Ordinary_Fixed_Point_Definition =>
2456             Write_Str_With_Col_Check_Sloc ("delta ");
2457             Sprint_Node (Delta_Expression (Node));
2458             Sprint_Opt_Node (Real_Range_Specification (Node));
2459
2460          when N_Or_Else =>
2461             Sprint_Left_Opnd (Node);
2462             Write_Str_Sloc (" or else ");
2463             Sprint_Right_Opnd (Node);
2464
2465          when N_Others_Choice =>
2466             if All_Others (Node) then
2467                Write_Str_With_Col_Check ("all ");
2468             end if;
2469
2470             Write_Str_With_Col_Check_Sloc ("others");
2471
2472          when N_Package_Body =>
2473             Extra_Blank_Line;
2474             Write_Indent_Str_Sloc ("package body ");
2475             Sprint_Node (Defining_Unit_Name (Node));
2476             Write_Str (" is");
2477             Sprint_Indented_List (Declarations (Node));
2478
2479             if Present (Handled_Statement_Sequence (Node)) then
2480                Write_Indent_Str ("begin");
2481                Sprint_Node (Handled_Statement_Sequence (Node));
2482             end if;
2483
2484             Write_Indent_Str ("end ");
2485             Sprint_End_Label
2486               (Handled_Statement_Sequence (Node), Defining_Unit_Name (Node));
2487             Write_Char (';');
2488
2489          when N_Package_Body_Stub =>
2490             Write_Indent_Str_Sloc ("package body ");
2491             Sprint_Node (Defining_Identifier (Node));
2492             Write_Str_With_Col_Check (" is separate;");
2493
2494          when N_Package_Declaration =>
2495             Extra_Blank_Line;
2496             Write_Indent;
2497             Sprint_Node_Sloc (Specification (Node));
2498             Write_Char (';');
2499
2500             --  If this is an instantiation, get the aspects from the original
2501             --  instantiation node.
2502
2503             if Is_Generic_Instance (Defining_Entity (Node))
2504               and then Has_Aspects
2505                          (Package_Instantiation (Defining_Entity (Node)))
2506             then
2507                Sprint_Aspect_Specifications
2508                  (Package_Instantiation (Defining_Entity (Node)),
2509                    Semicolon => True);
2510             end if;
2511
2512          when N_Package_Instantiation =>
2513             Extra_Blank_Line;
2514             Write_Indent_Str_Sloc ("package ");
2515             Sprint_Node (Defining_Unit_Name (Node));
2516             Write_Str (" is new ");
2517             Sprint_Node (Name (Node));
2518             Sprint_Opt_Paren_Comma_List (Generic_Associations (Node));
2519             Write_Char (';');
2520
2521          when N_Package_Renaming_Declaration =>
2522             Write_Indent_Str_Sloc ("package ");
2523             Sprint_Node (Defining_Unit_Name (Node));
2524             Write_Str_With_Col_Check (" renames ");
2525             Sprint_Node (Name (Node));
2526             Write_Char (';');
2527
2528          when N_Package_Specification =>
2529             Write_Str_With_Col_Check_Sloc ("package ");
2530             Sprint_Node (Defining_Unit_Name (Node));
2531
2532             if Nkind (Parent (Node)) = N_Generic_Package_Declaration
2533               and then Has_Aspects (Parent (Node))
2534             then
2535                Sprint_Aspect_Specifications
2536                  (Parent (Node), Semicolon => False);
2537
2538             --  An instantiation is rewritten as a package declaration, but
2539             --  the aspects belong to the instantiation node.
2540
2541             elsif Nkind (Parent (Node)) = N_Package_Declaration then
2542                declare
2543                   Pack : constant Entity_Id := Defining_Entity (Node);
2544
2545                begin
2546                   if not Is_Generic_Instance (Pack) then
2547                      if Has_Aspects (Parent (Node)) then
2548                         Sprint_Aspect_Specifications
2549                           (Parent (Node), Semicolon => False);
2550                      end if;
2551                   end if;
2552                end;
2553             end if;
2554
2555             Write_Str (" is");
2556             Sprint_Indented_List (Visible_Declarations (Node));
2557
2558             if Present (Private_Declarations (Node)) then
2559                Write_Indent_Str ("private");
2560                Sprint_Indented_List (Private_Declarations (Node));
2561             end if;
2562
2563             Write_Indent_Str ("end ");
2564             Sprint_Node (Defining_Unit_Name (Node));
2565
2566          when N_Parameter_Association =>
2567             Sprint_Node_Sloc (Selector_Name (Node));
2568             Write_Str (" => ");
2569             Sprint_Node (Explicit_Actual_Parameter (Node));
2570
2571          when N_Parameter_Specification =>
2572             Set_Debug_Sloc;
2573
2574             if Write_Identifiers (Node) then
2575                Write_Str (" : ");
2576
2577                if In_Present (Node) then
2578                   Write_Str_With_Col_Check ("in ");
2579                end if;
2580
2581                if Out_Present (Node) then
2582                   Write_Str_With_Col_Check ("out ");
2583                end if;
2584
2585                --  Ada 2005 (AI-231): Parameter specification may carry null
2586                --  exclusion. Do not print it now if this is an access formal,
2587                --  it is emitted when the access definition is displayed.
2588
2589                if Null_Exclusion_Present (Node)
2590                  and then Nkind (Parameter_Type (Node))
2591                    /= N_Access_Definition
2592                then
2593                   Write_Str ("not null ");
2594                end if;
2595
2596                Sprint_Node (Parameter_Type (Node));
2597
2598                if Present (Expression (Node)) then
2599                   Write_Str (" := ");
2600                   Sprint_Node (Expression (Node));
2601                end if;
2602             else
2603                Write_Str (", ");
2604             end if;
2605
2606          when N_Pop_Constraint_Error_Label =>
2607             Write_Indent_Str ("%pop_constraint_error_label");
2608
2609          when N_Pop_Program_Error_Label =>
2610             Write_Indent_Str ("%pop_program_error_label");
2611
2612          when N_Pop_Storage_Error_Label =>
2613             Write_Indent_Str ("%pop_storage_error_label");
2614
2615          when N_Private_Extension_Declaration =>
2616             Write_Indent_Str_Sloc ("type ");
2617             Write_Id (Defining_Identifier (Node));
2618
2619             if Present (Discriminant_Specifications (Node)) then
2620                Write_Discr_Specs (Node);
2621             elsif Unknown_Discriminants_Present (Node) then
2622                Write_Str_With_Col_Check ("(<>)");
2623             end if;
2624
2625             Write_Str_With_Col_Check (" is new ");
2626             Sprint_Node (Subtype_Indication (Node));
2627
2628             if Present (Interface_List (Node)) then
2629                Write_Str_With_Col_Check (" and ");
2630                Sprint_And_List (Interface_List (Node));
2631             end if;
2632
2633             Write_Str_With_Col_Check (" with private;");
2634
2635          when N_Private_Type_Declaration =>
2636             Write_Indent_Str_Sloc ("type ");
2637             Write_Id (Defining_Identifier (Node));
2638
2639             if Present (Discriminant_Specifications (Node)) then
2640                Write_Discr_Specs (Node);
2641             elsif Unknown_Discriminants_Present (Node) then
2642                Write_Str_With_Col_Check ("(<>)");
2643             end if;
2644
2645             Write_Str (" is ");
2646
2647             if Tagged_Present (Node) then
2648                Write_Str_With_Col_Check ("tagged ");
2649             end if;
2650
2651             if Limited_Present (Node) then
2652                Write_Str_With_Col_Check ("limited ");
2653             end if;
2654
2655             Write_Str_With_Col_Check ("private;");
2656
2657          when N_Push_Constraint_Error_Label =>
2658             Write_Indent_Str ("%push_constraint_error_label (");
2659
2660             if Present (Exception_Label (Node)) then
2661                Write_Name_With_Col_Check (Chars (Exception_Label (Node)));
2662             end if;
2663
2664             Write_Str (")");
2665
2666          when N_Push_Program_Error_Label =>
2667             Write_Indent_Str ("%push_program_error_label (");
2668
2669             if Present (Exception_Label (Node)) then
2670                Write_Name_With_Col_Check (Chars (Exception_Label (Node)));
2671             end if;
2672
2673             Write_Str (")");
2674
2675          when N_Push_Storage_Error_Label =>
2676             Write_Indent_Str ("%push_storage_error_label (");
2677
2678             if Present (Exception_Label (Node)) then
2679                Write_Name_With_Col_Check (Chars (Exception_Label (Node)));
2680             end if;
2681
2682             Write_Str (")");
2683
2684          when N_Pragma =>
2685             Write_Indent_Str_Sloc ("pragma ");
2686             Write_Name_With_Col_Check (Pragma_Name (Node));
2687
2688             if Present (Pragma_Argument_Associations (Node)) then
2689                Sprint_Opt_Paren_Comma_List
2690                  (Pragma_Argument_Associations (Node));
2691             end if;
2692
2693             Write_Char (';');
2694
2695          when N_Pragma_Argument_Association =>
2696             Set_Debug_Sloc;
2697
2698             if Chars (Node) /= No_Name then
2699                Write_Name_With_Col_Check (Chars (Node));
2700                Write_Str (" => ");
2701             end if;
2702
2703             Sprint_Node (Expression (Node));
2704
2705          when N_Procedure_Call_Statement =>
2706             Write_Indent;
2707             Set_Debug_Sloc;
2708             Write_Subprogram_Name (Name (Node));
2709             Sprint_Opt_Paren_Comma_List (Parameter_Associations (Node));
2710             Write_Char (';');
2711
2712          when N_Procedure_Instantiation =>
2713             Write_Indent_Str_Sloc ("procedure ");
2714             Sprint_Node (Defining_Unit_Name (Node));
2715             Write_Str_With_Col_Check (" is new ");
2716             Sprint_Node (Name (Node));
2717             Sprint_Opt_Paren_Comma_List (Generic_Associations (Node));
2718             Write_Char (';');
2719
2720          when N_Procedure_Specification =>
2721             Write_Str_With_Col_Check_Sloc ("procedure ");
2722             Sprint_Node (Defining_Unit_Name (Node));
2723             Write_Param_Specs (Node);
2724
2725          when N_Protected_Body =>
2726             Write_Indent_Str_Sloc ("protected body ");
2727             Write_Id (Defining_Identifier (Node));
2728             Write_Str (" is");
2729             Sprint_Indented_List (Declarations (Node));
2730             Write_Indent_Str ("end ");
2731             Write_Id (Defining_Identifier (Node));
2732             Write_Char (';');
2733
2734          when N_Protected_Body_Stub =>
2735             Write_Indent_Str_Sloc ("protected body ");
2736             Write_Id (Defining_Identifier (Node));
2737             Write_Str_With_Col_Check (" is separate;");
2738
2739          when N_Protected_Definition =>
2740             Set_Debug_Sloc;
2741             Sprint_Indented_List (Visible_Declarations (Node));
2742
2743             if Present (Private_Declarations (Node)) then
2744                Write_Indent_Str ("private");
2745                Sprint_Indented_List (Private_Declarations (Node));
2746             end if;
2747
2748             Write_Indent_Str ("end ");
2749
2750          when N_Protected_Type_Declaration =>
2751             Write_Indent_Str_Sloc ("protected type ");
2752             Sprint_Node (Defining_Identifier (Node));
2753             Write_Discr_Specs (Node);
2754
2755             if Present (Interface_List (Node)) then
2756                Write_Str (" is new ");
2757                Sprint_And_List (Interface_List (Node));
2758                Write_Str (" with ");
2759             else
2760                Write_Str (" is");
2761             end if;
2762
2763             Sprint_Node (Protected_Definition (Node));
2764             Write_Id (Defining_Identifier (Node));
2765             Write_Char (';');
2766
2767          when N_Qualified_Expression =>
2768             Sprint_Node (Subtype_Mark (Node));
2769             Write_Char_Sloc (''');
2770
2771             --  Print expression, make sure we have at least one level of
2772             --  parentheses around the expression. For cases of qualified
2773             --  expressions in the source, this is always the case, but
2774             --  for generated qualifications, there may be no explicit
2775             --  parentheses present.
2776
2777             if Paren_Count (Expression (Node)) /= 0 then
2778                Sprint_Node (Expression (Node));
2779
2780             else
2781                Write_Char ('(');
2782                Sprint_Node (Expression (Node));
2783
2784                --  Odd case, for the qualified expressions used in machine
2785                --  code the argument may be a procedure call, resulting in
2786                --  a junk semicolon before the right parent, get rid of it.
2787
2788                Write_Erase_Char (';');
2789
2790                --  Now we can add the terminating right paren
2791
2792                Write_Char (')');
2793             end if;
2794
2795          when N_Quantified_Expression =>
2796             Write_Str (" for");
2797
2798             if All_Present (Node) then
2799                Write_Str (" all ");
2800             else
2801                Write_Str (" some ");
2802             end if;
2803
2804             if Present (Iterator_Specification (Node)) then
2805                Sprint_Node (Iterator_Specification (Node));
2806             else
2807                Sprint_Node (Loop_Parameter_Specification (Node));
2808             end if;
2809
2810             Write_Str (" => ");
2811             Sprint_Node (Condition (Node));
2812
2813          when N_Raise_Expression =>
2814             declare
2815                Has_Parens : constant Boolean := Paren_Count (Node) > 0;
2816
2817             begin
2818                --  The syntax for raise_expression does not include parentheses
2819                --  but sometimes parentheses are required, so unconditionally
2820                --  generate them here unless already present.
2821
2822                if not Has_Parens then
2823                   Write_Char ('(');
2824                end if;
2825
2826                Write_Str_With_Col_Check_Sloc ("raise ");
2827                Sprint_Node (Name (Node));
2828
2829                if Present (Expression (Node)) then
2830                   Write_Str_With_Col_Check (" with ");
2831                   Sprint_Node (Expression (Node));
2832                end if;
2833
2834                if not Has_Parens then
2835                   Write_Char (')');
2836                end if;
2837             end;
2838
2839          when N_Raise_Constraint_Error =>
2840
2841             --  This node can be used either as a subexpression or as a
2842             --  statement form. The following test is a reasonably reliable
2843             --  way to distinguish the two cases.
2844
2845             if Is_List_Member (Node)
2846               and then Nkind (Parent (Node)) not in N_Subexpr
2847             then
2848                Write_Indent;
2849             end if;
2850
2851             Write_Str_With_Col_Check_Sloc ("[constraint_error");
2852             Write_Condition_And_Reason (Node);
2853
2854          when N_Raise_Program_Error =>
2855
2856             --  This node can be used either as a subexpression or as a
2857             --  statement form. The following test is a reasonably reliable
2858             --  way to distinguish the two cases.
2859
2860             if Is_List_Member (Node)
2861               and then Nkind (Parent (Node)) not in N_Subexpr
2862             then
2863                Write_Indent;
2864             end if;
2865
2866             Write_Str_With_Col_Check_Sloc ("[program_error");
2867             Write_Condition_And_Reason (Node);
2868
2869          when N_Raise_Storage_Error =>
2870
2871             --  This node can be used either as a subexpression or as a
2872             --  statement form. The following test is a reasonably reliable
2873             --  way to distinguish the two cases.
2874
2875             if Is_List_Member (Node)
2876               and then Nkind (Parent (Node)) not in N_Subexpr
2877             then
2878                Write_Indent;
2879             end if;
2880
2881             Write_Str_With_Col_Check_Sloc ("[storage_error");
2882             Write_Condition_And_Reason (Node);
2883
2884          when N_Raise_Statement =>
2885             Write_Indent_Str_Sloc ("raise ");
2886             Sprint_Node (Name (Node));
2887             Write_Char (';');
2888
2889          when N_Range =>
2890             Sprint_Node (Low_Bound (Node));
2891             Write_Str_Sloc (" .. ");
2892             Sprint_Node (High_Bound (Node));
2893             Update_Itype (Node);
2894
2895          when N_Range_Constraint =>
2896             Write_Str_With_Col_Check_Sloc ("range ");
2897             Sprint_Node (Range_Expression (Node));
2898
2899          when N_Real_Literal =>
2900             Write_Ureal_With_Col_Check_Sloc (Realval (Node));
2901
2902          when N_Real_Range_Specification =>
2903             Write_Str_With_Col_Check_Sloc ("range ");
2904             Sprint_Node (Low_Bound (Node));
2905             Write_Str (" .. ");
2906             Sprint_Node (High_Bound (Node));
2907
2908          when N_Record_Definition =>
2909             if Abstract_Present (Node) then
2910                Write_Str_With_Col_Check ("abstract ");
2911             end if;
2912
2913             if Tagged_Present (Node) then
2914                Write_Str_With_Col_Check ("tagged ");
2915             end if;
2916
2917             if Limited_Present (Node) then
2918                Write_Str_With_Col_Check ("limited ");
2919             end if;
2920
2921             if Null_Present (Node) then
2922                Write_Str_With_Col_Check_Sloc ("null record");
2923
2924             else
2925                Write_Str_With_Col_Check_Sloc ("record");
2926                Sprint_Node (Component_List (Node));
2927                Write_Indent_Str ("end record");
2928             end if;
2929
2930          when N_Record_Representation_Clause =>
2931             Write_Indent_Str_Sloc ("for ");
2932             Sprint_Node (Identifier (Node));
2933             Write_Str_With_Col_Check (" use record ");
2934
2935             if Present (Mod_Clause (Node)) then
2936                Sprint_Node (Mod_Clause (Node));
2937             end if;
2938
2939             Sprint_Indented_List (Component_Clauses (Node));
2940             Write_Indent_Str ("end record;");
2941
2942          when N_Reference =>
2943             Sprint_Node (Prefix (Node));
2944             Write_Str_With_Col_Check_Sloc ("'reference");
2945
2946          when N_Requeue_Statement =>
2947             Write_Indent_Str_Sloc ("requeue ");
2948             Sprint_Node (Name (Node));
2949
2950             if Abort_Present (Node) then
2951                Write_Str_With_Col_Check (" with abort");
2952             end if;
2953
2954             Write_Char (';');
2955
2956          --  Don't we want to print more detail???
2957
2958          --  Doc of this extended syntax belongs in sinfo.ads and/or
2959          --  sprint.ads ???
2960
2961          when N_SCIL_Dispatch_Table_Tag_Init =>
2962             Write_Indent_Str ("[N_SCIL_Dispatch_Table_Tag_Init]");
2963
2964          when N_SCIL_Dispatching_Call =>
2965             Write_Indent_Str ("[N_SCIL_Dispatching_Node]");
2966
2967          when N_SCIL_Membership_Test =>
2968             Write_Indent_Str ("[N_SCIL_Membership_Test]");
2969
2970          when N_Simple_Return_Statement =>
2971             if Present (Expression (Node)) then
2972                Write_Indent_Str_Sloc ("return ");
2973                Sprint_Node (Expression (Node));
2974                Write_Char (';');
2975             else
2976                Write_Indent_Str_Sloc ("return;");
2977             end if;
2978
2979          when N_Selective_Accept =>
2980             Write_Indent_Str_Sloc ("select");
2981
2982             declare
2983                Alt_Node : Node_Id;
2984             begin
2985                Alt_Node := First (Select_Alternatives (Node));
2986                loop
2987                   Indent_Begin;
2988                   Sprint_Node (Alt_Node);
2989                   Indent_End;
2990                   Next (Alt_Node);
2991                   exit when No (Alt_Node);
2992                   Write_Indent_Str ("or");
2993                end loop;
2994             end;
2995
2996             if Present (Else_Statements (Node)) then
2997                Write_Indent_Str ("else");
2998                Sprint_Indented_List (Else_Statements (Node));
2999             end if;
3000
3001             Write_Indent_Str ("end select;");
3002
3003          when N_Signed_Integer_Type_Definition =>
3004             Write_Str_With_Col_Check_Sloc ("range ");
3005             Sprint_Node (Low_Bound (Node));
3006             Write_Str (" .. ");
3007             Sprint_Node (High_Bound (Node));
3008
3009          when N_Single_Protected_Declaration =>
3010             Write_Indent_Str_Sloc ("protected ");
3011             Write_Id (Defining_Identifier (Node));
3012             Write_Str (" is");
3013             Sprint_Node (Protected_Definition (Node));
3014             Write_Id (Defining_Identifier (Node));
3015             Write_Char (';');
3016
3017          when N_Single_Task_Declaration =>
3018             Write_Indent_Str_Sloc ("task ");
3019             Sprint_Node (Defining_Identifier (Node));
3020
3021             if Present (Task_Definition (Node)) then
3022                Write_Str (" is");
3023                Sprint_Node (Task_Definition (Node));
3024             end if;
3025
3026             Write_Char (';');
3027
3028          when N_Selected_Component =>
3029             Sprint_Node (Prefix (Node));
3030             Write_Char_Sloc ('.');
3031             Sprint_Node (Selector_Name (Node));
3032
3033          when N_Slice =>
3034             Set_Debug_Sloc;
3035             Sprint_Node (Prefix (Node));
3036             Write_Str_With_Col_Check (" (");
3037             Sprint_Node (Discrete_Range (Node));
3038             Write_Char (')');
3039
3040          when N_String_Literal =>
3041             if String_Length (Strval (Node)) + Column > Sprint_Line_Limit then
3042                Write_Indent_Str ("  ");
3043             end if;
3044
3045             Set_Debug_Sloc;
3046             Write_String_Table_Entry (Strval (Node));
3047
3048          when N_Subprogram_Body =>
3049
3050             --  Output extra blank line unless we are in freeze actions
3051
3052             if Freeze_Indent = 0 then
3053                Extra_Blank_Line;
3054             end if;
3055
3056             Write_Indent;
3057
3058             if Present (Corresponding_Spec (Node)) then
3059                Sprint_Node_Sloc (Parent (Corresponding_Spec (Node)));
3060             else
3061                Sprint_Node_Sloc (Specification (Node));
3062             end if;
3063
3064             Write_Str (" is");
3065
3066             Sprint_Indented_List (Declarations (Node));
3067             Write_Indent_Str ("begin");
3068             Sprint_Node (Handled_Statement_Sequence (Node));
3069
3070             Write_Indent_Str ("end ");
3071
3072             Sprint_End_Label
3073               (Handled_Statement_Sequence (Node),
3074                  Defining_Unit_Name (Specification (Node)));
3075             Write_Char (';');
3076
3077             if Is_List_Member (Node)
3078               and then Present (Next (Node))
3079               and then Nkind (Next (Node)) /= N_Subprogram_Body
3080             then
3081                Write_Indent;
3082             end if;
3083
3084          when N_Subprogram_Body_Stub =>
3085             Write_Indent;
3086             Sprint_Node_Sloc (Specification (Node));
3087             Write_Str_With_Col_Check (" is separate;");
3088
3089          when N_Subprogram_Declaration =>
3090             Write_Indent;
3091             Sprint_Node_Sloc (Specification (Node));
3092
3093             if Nkind (Specification (Node)) = N_Procedure_Specification
3094               and then Null_Present (Specification (Node))
3095             then
3096                Write_Str_With_Col_Check (" is null");
3097             end if;
3098
3099             Write_Char (';');
3100
3101          when N_Subprogram_Renaming_Declaration =>
3102             Write_Indent;
3103             Sprint_Node (Specification (Node));
3104             Write_Str_With_Col_Check_Sloc (" renames ");
3105             Sprint_Node (Name (Node));
3106             Write_Char (';');
3107
3108          when N_Subtype_Declaration =>
3109             Write_Indent_Str_Sloc ("subtype ");
3110             Sprint_Node (Defining_Identifier (Node));
3111             Write_Str (" is ");
3112
3113             --  Ada 2005 (AI-231)
3114
3115             if Null_Exclusion_Present (Node) then
3116                Write_Str ("not null ");
3117             end if;
3118
3119             Sprint_Node (Subtype_Indication (Node));
3120             Write_Char (';');
3121
3122          when N_Subtype_Indication =>
3123             Sprint_Node_Sloc (Subtype_Mark (Node));
3124             Write_Char (' ');
3125             Sprint_Node (Constraint (Node));
3126
3127          when N_Subunit =>
3128             Write_Indent_Str_Sloc ("separate (");
3129             Sprint_Node (Name (Node));
3130             Write_Char (')');
3131             Extra_Blank_Line;
3132             Sprint_Node (Proper_Body (Node));
3133
3134          when N_Task_Body =>
3135             Write_Indent_Str_Sloc ("task body ");
3136             Write_Id (Defining_Identifier (Node));
3137             Write_Str (" is");
3138             Sprint_Indented_List (Declarations (Node));
3139             Write_Indent_Str ("begin");
3140             Sprint_Node (Handled_Statement_Sequence (Node));
3141             Write_Indent_Str ("end ");
3142             Sprint_End_Label
3143               (Handled_Statement_Sequence (Node), Defining_Identifier (Node));
3144             Write_Char (';');
3145
3146          when N_Task_Body_Stub =>
3147             Write_Indent_Str_Sloc ("task body ");
3148             Write_Id (Defining_Identifier (Node));
3149             Write_Str_With_Col_Check (" is separate;");
3150
3151          when N_Task_Definition =>
3152             Set_Debug_Sloc;
3153             Sprint_Indented_List (Visible_Declarations (Node));
3154
3155             if Present (Private_Declarations (Node)) then
3156                Write_Indent_Str ("private");
3157                Sprint_Indented_List (Private_Declarations (Node));
3158             end if;
3159
3160             Write_Indent_Str ("end ");
3161             Sprint_End_Label (Node, Defining_Identifier (Parent (Node)));
3162
3163          when N_Task_Type_Declaration =>
3164             Write_Indent_Str_Sloc ("task type ");
3165             Sprint_Node (Defining_Identifier (Node));
3166             Write_Discr_Specs (Node);
3167
3168             if Present (Interface_List (Node)) then
3169                Write_Str (" is new ");
3170                Sprint_And_List (Interface_List (Node));
3171             end if;
3172
3173             if Present (Task_Definition (Node)) then
3174                if No (Interface_List (Node)) then
3175                   Write_Str (" is");
3176                else
3177                   Write_Str (" with ");
3178                end if;
3179
3180                Sprint_Node (Task_Definition (Node));
3181             end if;
3182
3183             Write_Char (';');
3184
3185          when N_Terminate_Alternative =>
3186             Sprint_Node_List (Pragmas_Before (Node));
3187             Write_Indent;
3188
3189             if Present (Condition (Node)) then
3190                Write_Str_With_Col_Check ("when ");
3191                Sprint_Node (Condition (Node));
3192                Write_Str (" => ");
3193             end if;
3194
3195             Write_Str_With_Col_Check_Sloc ("terminate;");
3196             Sprint_Node_List (Pragmas_After (Node));
3197
3198          when N_Timed_Entry_Call =>
3199             Write_Indent_Str_Sloc ("select");
3200             Indent_Begin;
3201             Sprint_Node (Entry_Call_Alternative (Node));
3202             Indent_End;
3203             Write_Indent_Str ("or");
3204             Indent_Begin;
3205             Sprint_Node (Delay_Alternative (Node));
3206             Indent_End;
3207             Write_Indent_Str ("end select;");
3208
3209          when N_Triggering_Alternative =>
3210             Sprint_Node_List (Pragmas_Before (Node));
3211             Sprint_Node_Sloc (Triggering_Statement (Node));
3212             Sprint_Node_List (Statements (Node));
3213
3214          when N_Type_Conversion =>
3215             Set_Debug_Sloc;
3216             Sprint_Node (Subtype_Mark (Node));
3217             Col_Check (4);
3218
3219             if Conversion_OK (Node) then
3220                Write_Char ('?');
3221             end if;
3222
3223             if Float_Truncate (Node) then
3224                Write_Char ('^');
3225             end if;
3226
3227             if Rounded_Result (Node) then
3228                Write_Char ('@');
3229             end if;
3230
3231             Write_Char ('(');
3232             Sprint_Node (Expression (Node));
3233             Write_Char (')');
3234
3235          when N_Unchecked_Expression =>
3236             Col_Check (10);
3237             Write_Str ("`(");
3238             Sprint_Node_Sloc (Expression (Node));
3239             Write_Char (')');
3240
3241          when N_Unchecked_Type_Conversion =>
3242             Sprint_Node (Subtype_Mark (Node));
3243             Write_Char ('!');
3244             Write_Str_With_Col_Check ("(");
3245             Sprint_Node_Sloc (Expression (Node));
3246             Write_Char (')');
3247
3248          when N_Unconstrained_Array_Definition =>
3249             Write_Str_With_Col_Check_Sloc ("array (");
3250
3251             declare
3252                Node1 : Node_Id;
3253             begin
3254                Node1 := First (Subtype_Marks (Node));
3255                loop
3256                   Sprint_Node (Node1);
3257                   Write_Str_With_Col_Check (" range <>");
3258                   Next (Node1);
3259                   exit when Node1 = Empty;
3260                   Write_Str (", ");
3261                end loop;
3262             end;
3263
3264             Write_Str (") of ");
3265             Sprint_Node (Component_Definition (Node));
3266
3267          when N_Unused_At_Start | N_Unused_At_End =>
3268             Write_Indent_Str ("***** Error, unused node encountered *****");
3269             Write_Eol;
3270
3271          when N_Use_Package_Clause =>
3272             Write_Indent_Str_Sloc ("use ");
3273             Sprint_Comma_List (Names (Node));
3274             Write_Char (';');
3275
3276          when N_Use_Type_Clause =>
3277             Write_Indent_Str_Sloc ("use type ");
3278             Sprint_Comma_List (Subtype_Marks (Node));
3279             Write_Char (';');
3280
3281          when N_Validate_Unchecked_Conversion =>
3282             Write_Indent_Str_Sloc ("validate unchecked_conversion (");
3283             Sprint_Node (Source_Type (Node));
3284             Write_Str (", ");
3285             Sprint_Node (Target_Type (Node));
3286             Write_Str (");");
3287
3288          when N_Variant =>
3289             Write_Indent_Str_Sloc ("when ");
3290             Sprint_Bar_List (Discrete_Choices (Node));
3291             Write_Str (" => ");
3292             Sprint_Node (Component_List (Node));
3293
3294          when N_Variant_Part =>
3295             Indent_Begin;
3296             Write_Indent_Str_Sloc ("case ");
3297             Sprint_Node (Name (Node));
3298             Write_Str (" is ");
3299             Sprint_Indented_List (Variants (Node));
3300             Write_Indent_Str ("end case");
3301             Indent_End;
3302
3303          when N_With_Clause =>
3304
3305             --  Special test, if we are dumping the original tree only,
3306             --  then we want to eliminate the bogus with clauses that
3307             --  correspond to the non-existent children of Text_IO.
3308
3309             if Dump_Original_Only
3310               and then Is_Text_IO_Special_Unit (Name (Node))
3311             then
3312                null;
3313
3314             --  Normal case, output the with clause
3315
3316             else
3317                if First_Name (Node) or else not Dump_Original_Only then
3318
3319                   --  Ada 2005 (AI-50217): Print limited with_clauses
3320
3321                   if Private_Present (Node) and Limited_Present (Node) then
3322                      Write_Indent_Str ("limited private with ");
3323
3324                   elsif Private_Present (Node) then
3325                      Write_Indent_Str ("private with ");
3326
3327                   elsif Limited_Present (Node) then
3328                      Write_Indent_Str ("limited with ");
3329
3330                   else
3331                      Write_Indent_Str ("with ");
3332                   end if;
3333
3334                else
3335                   Write_Str (", ");
3336                end if;
3337
3338                Sprint_Node_Sloc (Name (Node));
3339
3340                if Last_Name (Node) or else not Dump_Original_Only then
3341                   Write_Char (';');
3342                end if;
3343             end if;
3344       end case;
3345
3346       --  Print aspects, except for special case of package declaration,
3347       --  where the aspects are printed inside the package specification.
3348
3349       if Has_Aspects (Node)
3350          and then not Nkind_In (Node, N_Package_Declaration,
3351                                       N_Generic_Package_Declaration)
3352       then
3353          Sprint_Aspect_Specifications (Node, Semicolon => True);
3354       end if;
3355
3356       if Nkind (Node) in N_Subexpr
3357         and then Do_Range_Check (Node)
3358       then
3359          Write_Str ("}");
3360       end if;
3361
3362       for J in 1 .. Paren_Count (Node) loop
3363          Write_Char (')');
3364       end loop;
3365
3366       Dump_Node := Save_Dump_Node;
3367    end Sprint_Node_Actual;
3368
3369    ----------------------
3370    -- Sprint_Node_List --
3371    ----------------------
3372
3373    procedure Sprint_Node_List (List : List_Id; New_Lines : Boolean := False) is
3374       Node : Node_Id;
3375
3376    begin
3377       if Is_Non_Empty_List (List) then
3378          Node := First (List);
3379
3380          loop
3381             Sprint_Node (Node);
3382             Next (Node);
3383             exit when Node = Empty;
3384          end loop;
3385       end if;
3386
3387       if New_Lines and then Column /= 1 then
3388          Write_Eol;
3389       end if;
3390    end Sprint_Node_List;
3391
3392    ----------------------
3393    -- Sprint_Node_Sloc --
3394    ----------------------
3395
3396    procedure Sprint_Node_Sloc (Node : Node_Id) is
3397    begin
3398       Sprint_Node (Node);
3399
3400       if Debug_Generated_Code and then Present (Dump_Node) then
3401          Set_Sloc (Dump_Node, Sloc (Node));
3402          Dump_Node := Empty;
3403       end if;
3404    end Sprint_Node_Sloc;
3405
3406    ---------------------
3407    -- Sprint_Opt_Node --
3408    ---------------------
3409
3410    procedure Sprint_Opt_Node (Node : Node_Id) is
3411    begin
3412       if Present (Node) then
3413          Write_Char (' ');
3414          Sprint_Node (Node);
3415       end if;
3416    end Sprint_Opt_Node;
3417
3418    --------------------------
3419    -- Sprint_Opt_Node_List --
3420    --------------------------
3421
3422    procedure Sprint_Opt_Node_List (List : List_Id) is
3423    begin
3424       if Present (List) then
3425          Sprint_Node_List (List);
3426       end if;
3427    end Sprint_Opt_Node_List;
3428
3429    ---------------------------------
3430    -- Sprint_Opt_Paren_Comma_List --
3431    ---------------------------------
3432
3433    procedure Sprint_Opt_Paren_Comma_List (List : List_Id) is
3434    begin
3435       if Is_Non_Empty_List (List) then
3436          Write_Char (' ');
3437          Sprint_Paren_Comma_List (List);
3438       end if;
3439    end Sprint_Opt_Paren_Comma_List;
3440
3441    -----------------------------
3442    -- Sprint_Paren_Comma_List --
3443    -----------------------------
3444
3445    procedure Sprint_Paren_Comma_List (List : List_Id) is
3446       N           : Node_Id;
3447       Node_Exists : Boolean := False;
3448
3449    begin
3450
3451       if Is_Non_Empty_List (List) then
3452
3453          if Dump_Original_Only then
3454             N := First (List);
3455             while Present (N) loop
3456                if not Is_Rewrite_Insertion (N) then
3457                   Node_Exists := True;
3458                   exit;
3459                end if;
3460
3461                Next (N);
3462             end loop;
3463
3464             if not Node_Exists then
3465                return;
3466             end if;
3467          end if;
3468
3469          Write_Str_With_Col_Check ("(");
3470          Sprint_Comma_List (List);
3471          Write_Char (')');
3472       end if;
3473    end Sprint_Paren_Comma_List;
3474
3475    ----------------------
3476    -- Sprint_Right_Opnd --
3477    ----------------------
3478
3479    procedure Sprint_Right_Opnd (N : Node_Id) is
3480       Opnd : constant Node_Id := Right_Opnd (N);
3481
3482    begin
3483       if Paren_Count (Opnd) /= 0
3484         or else Op_Prec (Nkind (Opnd)) > Op_Prec (Nkind (N))
3485       then
3486          Sprint_Node (Opnd);
3487
3488       else
3489          Write_Char ('(');
3490          Sprint_Node (Opnd);
3491          Write_Char (')');
3492       end if;
3493    end Sprint_Right_Opnd;
3494
3495    ------------------
3496    -- Update_Itype --
3497    ------------------
3498
3499    procedure Update_Itype (Node : Node_Id) is
3500    begin
3501       if Present (Etype (Node))
3502         and then Is_Itype (Etype (Node))
3503         and then Debug_Generated_Code
3504       then
3505          Set_Sloc (Etype (Node), Sloc (Node));
3506       end if;
3507    end Update_Itype;
3508
3509    ---------------------
3510    -- Write_Char_Sloc --
3511    ---------------------
3512
3513    procedure Write_Char_Sloc (C : Character) is
3514    begin
3515       if Debug_Generated_Code and then C /= ' ' then
3516          Set_Debug_Sloc;
3517       end if;
3518
3519       Write_Char (C);
3520    end Write_Char_Sloc;
3521
3522    --------------------------------
3523    -- Write_Condition_And_Reason --
3524    --------------------------------
3525
3526    procedure Write_Condition_And_Reason (Node : Node_Id) is
3527       Cond  : constant Node_Id := Condition (Node);
3528       Image : constant String  := RT_Exception_Code'Image
3529                                     (RT_Exception_Code'Val
3530                                        (UI_To_Int (Reason (Node))));
3531
3532    begin
3533       if Present (Cond) then
3534
3535          --  If condition is a single entity, or NOT with a single entity,
3536          --  output all on one line, since it will likely fit just fine.
3537
3538          if Is_Entity_Name (Cond)
3539            or else (Nkind (Cond) = N_Op_Not
3540                      and then Is_Entity_Name (Right_Opnd (Cond)))
3541          then
3542             Write_Str_With_Col_Check (" when ");
3543             Sprint_Node (Cond);
3544             Write_Char (' ');
3545
3546             --  Otherwise for more complex condition, multiple lines
3547
3548          else
3549             Write_Str_With_Col_Check (" when");
3550             Indent := Indent + 2;
3551             Write_Indent;
3552             Sprint_Node (Cond);
3553             Write_Indent;
3554             Indent := Indent - 2;
3555          end if;
3556
3557       --  If no condition, just need a space (all on one line)
3558
3559       else
3560          Write_Char (' ');
3561       end if;
3562
3563       --  Write the reason
3564
3565       Write_Char ('"');
3566
3567       for J in 4 .. Image'Last loop
3568          if Image (J) = '_' then
3569             Write_Char (' ');
3570          else
3571             Write_Char (Fold_Lower (Image (J)));
3572          end if;
3573       end loop;
3574
3575       Write_Str ("""]");
3576    end Write_Condition_And_Reason;
3577
3578    --------------------------------
3579    -- Write_Corresponding_Source --
3580    --------------------------------
3581
3582    procedure Write_Corresponding_Source (S : String) is
3583       Loc : Source_Ptr;
3584       Src : Source_Buffer_Ptr;
3585
3586    begin
3587       --  Ignore if not in dump source text mode, or if in freeze actions
3588
3589       if Dump_Source_Text and then Freeze_Indent = 0 then
3590
3591          --  Ignore null string
3592
3593          if S = "" then
3594             return;
3595          end if;
3596
3597          --  Ignore space or semicolon at end of given string
3598
3599          if S (S'Last) = ' ' or else S (S'Last) = ';' then
3600             Write_Corresponding_Source (S (S'First .. S'Last - 1));
3601             return;
3602          end if;
3603
3604          --  Loop to look at next lines not yet printed in source file
3605
3606          for L in
3607            Last_Line_Printed + 1 .. Last_Source_Line (Current_Source_File)
3608          loop
3609             Src := Source_Text (Current_Source_File);
3610             Loc := Line_Start (L, Current_Source_File);
3611
3612             --  If comment, keep looking
3613
3614             if Src (Loc .. Loc + 1) = "--" then
3615                null;
3616
3617             --  Search to first non-blank
3618
3619             else
3620                while Src (Loc) not in Line_Terminator loop
3621
3622                   --  Non-blank found
3623
3624                   if Src (Loc) /= ' ' and then Src (Loc) /= ASCII.HT then
3625
3626                      --  Loop through characters in string to see if we match
3627
3628                      for J in S'Range loop
3629
3630                         --  If mismatch, then not the case we are looking for
3631
3632                         if Src (Loc) /= S (J) then
3633                            return;
3634                         end if;
3635
3636                         Loc := Loc + 1;
3637                      end loop;
3638
3639                      --  If we fall through, string matched, if white space or
3640                      --  semicolon after the matched string, this is the case
3641                      --  we are looking for.
3642
3643                      if Src (Loc) in Line_Terminator
3644                        or else Src (Loc) = ' '
3645                        or else Src (Loc) = ASCII.HT
3646                        or else Src (Loc) = ';'
3647                      then
3648                         --  So output source lines up to and including this one
3649
3650                         Write_Source_Lines (L);
3651                         return;
3652                      end if;
3653                   end if;
3654
3655                   Loc := Loc + 1;
3656                end loop;
3657             end if;
3658
3659          --  Line was all blanks, or a comment line, keep looking
3660
3661          end loop;
3662       end if;
3663    end Write_Corresponding_Source;
3664
3665    -----------------------
3666    -- Write_Discr_Specs --
3667    -----------------------
3668
3669    procedure Write_Discr_Specs (N : Node_Id) is
3670       Specs : List_Id;
3671       Spec  : Node_Id;
3672
3673    begin
3674       Specs := Discriminant_Specifications (N);
3675
3676       if Present (Specs) then
3677          Write_Str_With_Col_Check (" (");
3678          Spec := First (Specs);
3679
3680          loop
3681             Sprint_Node (Spec);
3682             Next (Spec);
3683             exit when Spec = Empty;
3684
3685             --  Add semicolon, unless we are printing original tree and the
3686             --  next specification is part of a list (but not the first
3687             --  element of that list)
3688
3689             if not Dump_Original_Only or else not Prev_Ids (Spec) then
3690                Write_Str ("; ");
3691             end if;
3692          end loop;
3693
3694          Write_Char (')');
3695       end if;
3696    end Write_Discr_Specs;
3697
3698    -----------------
3699    -- Write_Ekind --
3700    -----------------
3701
3702    procedure Write_Ekind (E : Entity_Id) is
3703       S : constant String := Entity_Kind'Image (Ekind (E));
3704
3705    begin
3706       Name_Len := S'Length;
3707       Name_Buffer (1 .. Name_Len) := S;
3708       Set_Casing (Mixed_Case);
3709       Write_Str_With_Col_Check (Name_Buffer (1 .. Name_Len));
3710    end Write_Ekind;
3711
3712    --------------
3713    -- Write_Id --
3714    --------------
3715
3716    procedure Write_Id (N : Node_Id) is
3717    begin
3718       --  Deal with outputting Itype
3719
3720       --  Note: if we are printing the full tree with -gnatds, then we may
3721       --  end up picking up the Associated_Node link from a generic template
3722       --  here which overlaps the Entity field, but as documented, Write_Itype
3723       --  is defended against junk calls.
3724
3725       if Nkind (N) in N_Entity then
3726          Write_Itype (N);
3727       elsif Nkind (N) in N_Has_Entity then
3728          Write_Itype (Entity (N));
3729       end if;
3730
3731       --  Case of a defining identifier
3732
3733       if Nkind (N) = N_Defining_Identifier then
3734
3735          --  If defining identifier has an interface name (and no
3736          --  address clause), then we output the interface name.
3737
3738          if (Is_Imported (N) or else Is_Exported (N))
3739            and then Present (Interface_Name (N))
3740            and then No (Address_Clause (N))
3741          then
3742             String_To_Name_Buffer (Strval (Interface_Name (N)));
3743             Write_Str_With_Col_Check (Name_Buffer (1 .. Name_Len));
3744
3745          --  If no interface name (or inactive because there was
3746          --  an address clause), then just output the Chars name.
3747
3748          else
3749             Write_Name_With_Col_Check (Chars (N));
3750          end if;
3751
3752       --  Case of selector of an expanded name where the expanded name
3753       --  has an associated entity, output this entity. Check that the
3754       --  entity or associated node is of the right kind, see above.
3755
3756       elsif Nkind (Parent (N)) = N_Expanded_Name
3757         and then Selector_Name (Parent (N)) = N
3758         and then Present (Entity_Or_Associated_Node (Parent (N)))
3759         and then Nkind (Entity (Parent (N))) in N_Entity
3760       then
3761          Write_Id (Entity (Parent (N)));
3762
3763       --  For any other node with an associated entity, output it
3764
3765       elsif Nkind (N) in N_Has_Entity
3766         and then Present (Entity_Or_Associated_Node (N))
3767         and then Nkind (Entity_Or_Associated_Node (N)) in N_Entity
3768       then
3769          Write_Id (Entity (N));
3770
3771       --  All other cases, we just print the Chars field
3772
3773       else
3774          Write_Name_With_Col_Check (Chars (N));
3775       end if;
3776    end Write_Id;
3777
3778    -----------------------
3779    -- Write_Identifiers --
3780    -----------------------
3781
3782    function Write_Identifiers (Node : Node_Id) return Boolean is
3783    begin
3784       Sprint_Node (Defining_Identifier (Node));
3785       Update_Itype (Defining_Identifier (Node));
3786
3787       --  The remainder of the declaration must be printed unless we are
3788       --  printing the original tree and this is not the last identifier
3789
3790       return
3791          not Dump_Original_Only or else not More_Ids (Node);
3792
3793    end Write_Identifiers;
3794
3795    ------------------------
3796    -- Write_Implicit_Def --
3797    ------------------------
3798
3799    procedure Write_Implicit_Def (E : Entity_Id) is
3800       Ind : Node_Id;
3801
3802    begin
3803       case Ekind (E) is
3804          when E_Array_Subtype =>
3805             Write_Str_With_Col_Check ("subtype ");
3806             Write_Id (E);
3807             Write_Str_With_Col_Check (" is ");
3808             Write_Id (Base_Type (E));
3809             Write_Str_With_Col_Check (" (");
3810
3811             Ind := First_Index (E);
3812             while Present (Ind) loop
3813                Sprint_Node (Ind);
3814                Next_Index (Ind);
3815
3816                if Present (Ind) then
3817                   Write_Str (", ");
3818                end if;
3819             end loop;
3820
3821             Write_Str (");");
3822
3823          when E_Signed_Integer_Subtype | E_Enumeration_Subtype =>
3824             Write_Str_With_Col_Check ("subtype ");
3825             Write_Id (E);
3826             Write_Str (" is ");
3827             Write_Id (Etype (E));
3828             Write_Str_With_Col_Check (" range ");
3829             Sprint_Node (Scalar_Range (E));
3830             Write_Str (";");
3831
3832          when others =>
3833             Write_Str_With_Col_Check ("type ");
3834             Write_Id (E);
3835             Write_Str_With_Col_Check (" is <");
3836             Write_Ekind (E);
3837             Write_Str (">;");
3838       end case;
3839
3840    end Write_Implicit_Def;
3841
3842    ------------------
3843    -- Write_Indent --
3844    ------------------
3845
3846    procedure Write_Indent is
3847       Loc : constant Source_Ptr := Sloc (Dump_Node);
3848
3849    begin
3850       if Indent_Annull_Flag then
3851          Indent_Annull_Flag := False;
3852       else
3853          --  Deal with Dump_Source_Text output. Note that we ignore implicit
3854          --  label declarations, since they typically have the sloc of the
3855          --  corresponding label, which really messes up the -gnatL output.
3856
3857          if Dump_Source_Text
3858            and then Loc > No_Location
3859            and then Nkind (Dump_Node) /= N_Implicit_Label_Declaration
3860          then
3861             if Get_Source_File_Index (Loc) = Current_Source_File then
3862                Write_Source_Lines
3863                  (Get_Physical_Line_Number (Sloc (Dump_Node)));
3864             end if;
3865          end if;
3866
3867          Write_Eol;
3868
3869          for J in 1 .. Indent loop
3870             Write_Char (' ');
3871          end loop;
3872       end if;
3873    end Write_Indent;
3874
3875    ------------------------------
3876    -- Write_Indent_Identifiers --
3877    ------------------------------
3878
3879    function Write_Indent_Identifiers (Node : Node_Id) return Boolean is
3880    begin
3881       --  We need to start a new line for every node, except in the case
3882       --  where we are printing the original tree and this is not the first
3883       --  defining identifier in the list.
3884
3885       if not Dump_Original_Only or else not Prev_Ids (Node) then
3886          Write_Indent;
3887
3888       --  If printing original tree and this is not the first defining
3889       --  identifier in the list, then the previous call to this procedure
3890       --  printed only the name, and we add a comma to separate the names.
3891
3892       else
3893          Write_Str (", ");
3894       end if;
3895
3896       Sprint_Node (Defining_Identifier (Node));
3897
3898       --  The remainder of the declaration must be printed unless we are
3899       --  printing the original tree and this is not the last identifier
3900
3901       return
3902          not Dump_Original_Only or else not More_Ids (Node);
3903    end Write_Indent_Identifiers;
3904
3905    -----------------------------------
3906    -- Write_Indent_Identifiers_Sloc --
3907    -----------------------------------
3908
3909    function Write_Indent_Identifiers_Sloc (Node : Node_Id) return Boolean is
3910    begin
3911       --  We need to start a new line for every node, except in the case
3912       --  where we are printing the original tree and this is not the first
3913       --  defining identifier in the list.
3914
3915       if not Dump_Original_Only or else not Prev_Ids (Node) then
3916          Write_Indent;
3917
3918       --  If printing original tree and this is not the first defining
3919       --  identifier in the list, then the previous call to this procedure
3920       --  printed only the name, and we add a comma to separate the names.
3921
3922       else
3923          Write_Str (", ");
3924       end if;
3925
3926       Set_Debug_Sloc;
3927       Sprint_Node (Defining_Identifier (Node));
3928
3929       --  The remainder of the declaration must be printed unless we are
3930       --  printing the original tree and this is not the last identifier
3931
3932       return not Dump_Original_Only or else not More_Ids (Node);
3933    end Write_Indent_Identifiers_Sloc;
3934
3935    ----------------------
3936    -- Write_Indent_Str --
3937    ----------------------
3938
3939    procedure Write_Indent_Str (S : String) is
3940    begin
3941       Write_Corresponding_Source (S);
3942       Write_Indent;
3943       Write_Str (S);
3944    end Write_Indent_Str;
3945
3946    ---------------------------
3947    -- Write_Indent_Str_Sloc --
3948    ---------------------------
3949
3950    procedure Write_Indent_Str_Sloc (S : String) is
3951    begin
3952       Write_Corresponding_Source (S);
3953       Write_Indent;
3954       Write_Str_Sloc (S);
3955    end Write_Indent_Str_Sloc;
3956
3957    -----------------
3958    -- Write_Itype --
3959    -----------------
3960
3961    procedure Write_Itype (Typ : Entity_Id) is
3962
3963       procedure Write_Header (T : Boolean := True);
3964       --  Write type if T is True, subtype if T is false
3965
3966       ------------------
3967       -- Write_Header --
3968       ------------------
3969
3970       procedure Write_Header (T : Boolean := True) is
3971       begin
3972          if T then
3973             Write_Str ("[type ");
3974          else
3975             Write_Str ("[subtype ");
3976          end if;
3977
3978          Write_Name_With_Col_Check (Chars (Typ));
3979          Write_Str (" is ");
3980       end Write_Header;
3981
3982    --  Start of processing for Write_Itype
3983
3984    begin
3985       if Nkind (Typ) in N_Entity
3986         and then Is_Itype (Typ)
3987         and then not Itype_Printed (Typ)
3988       then
3989          --  Itype to be printed
3990
3991          declare
3992             B : constant Node_Id := Etype (Typ);
3993             X : Node_Id;
3994             P : constant Node_Id := Parent (Typ);
3995
3996             S : constant Saved_Output_Buffer := Save_Output_Buffer;
3997             --  Save current output buffer
3998
3999             Old_Sloc : Source_Ptr;
4000             --  Save sloc of related node, so it is not modified when
4001             --  printing with -gnatD.
4002
4003          begin
4004             --  Write indentation at start of line
4005
4006             for J in 1 .. Indent loop
4007                Write_Char (' ');
4008             end loop;
4009
4010             --  If we have a constructed declaration for the itype, print it
4011
4012             if Present (P)
4013               and then Nkind (P) in N_Declaration
4014               and then Defining_Entity (P) = Typ
4015             then
4016                --  We must set Itype_Printed true before the recursive call to
4017                --  print the node, otherwise we get an infinite recursion.
4018
4019                Set_Itype_Printed (Typ, True);
4020
4021                --  Write the declaration enclosed in [], avoiding new line
4022                --  at start of declaration, and semicolon at end.
4023
4024                --  Note: The itype may be imported from another unit, in which
4025                --  case we do not want to modify the Sloc of the declaration.
4026                --  Otherwise the itype may appear to be in the current unit,
4027                --  and the back-end will reject a reference out of scope.
4028
4029                Write_Char ('[');
4030                Indent_Annull_Flag := True;
4031                Old_Sloc := Sloc (P);
4032                Sprint_Node (P);
4033                Set_Sloc (P, Old_Sloc);
4034                Write_Erase_Char (';');
4035
4036             --  If no constructed declaration, then we have to concoct the
4037             --  source corresponding to the type entity that we have at hand.
4038
4039             else
4040                case Ekind (Typ) is
4041
4042                   --  Access types and subtypes
4043
4044                   when Access_Kind =>
4045                      Write_Header (Ekind (Typ) = E_Access_Type);
4046
4047                      if Can_Never_Be_Null (Typ) then
4048                         Write_Str ("not null ");
4049                      end if;
4050
4051                      Write_Str ("access ");
4052
4053                      if Is_Access_Constant (Typ) then
4054                         Write_Str ("constant ");
4055                      end if;
4056
4057                      Write_Id (Directly_Designated_Type (Typ));
4058
4059                   --  Array types and string types
4060
4061                   when E_Array_Type | E_String_Type =>
4062                      Write_Header;
4063                      Write_Str ("array (");
4064
4065                      X := First_Index (Typ);
4066                      loop
4067                         Sprint_Node (X);
4068
4069                         if not Is_Constrained (Typ) then
4070                            Write_Str (" range <>");
4071                         end if;
4072
4073                         Next_Index (X);
4074                         exit when No (X);
4075                         Write_Str (", ");
4076                      end loop;
4077
4078                      Write_Str (") of ");
4079                      X := Component_Type (Typ);
4080
4081                      --  Preserve sloc of component type, which is defined
4082                      --  elsewhere than the itype (see comment above).
4083
4084                      Old_Sloc := Sloc (X);
4085                      Sprint_Node (X);
4086                      Set_Sloc (X, Old_Sloc);
4087
4088                      --  Array subtypes and string subtypes.
4089                      --  Preserve Sloc of index subtypes, as above.
4090
4091                   when E_Array_Subtype | E_String_Subtype =>
4092                      Write_Header (False);
4093                      Write_Id (Etype (Typ));
4094                      Write_Str (" (");
4095
4096                      X := First_Index (Typ);
4097                      loop
4098                         Old_Sloc := Sloc (X);
4099                         Sprint_Node (X);
4100                         Set_Sloc (X, Old_Sloc);
4101                         Next_Index (X);
4102                         exit when No (X);
4103                         Write_Str (", ");
4104                      end loop;
4105
4106                      Write_Char (')');
4107
4108                   --  Signed integer types, and modular integer subtypes,
4109                   --  and also enumeration subtypes.
4110
4111                   when E_Signed_Integer_Type     |
4112                        E_Signed_Integer_Subtype  |
4113                        E_Modular_Integer_Subtype |
4114                        E_Enumeration_Subtype     =>
4115
4116                      Write_Header (Ekind (Typ) = E_Signed_Integer_Type);
4117
4118                      if Ekind (Typ) = E_Signed_Integer_Type then
4119                         Write_Str ("new ");
4120                      end if;
4121
4122                      Write_Id (B);
4123
4124                      --  Print bounds if different from base type
4125
4126                      declare
4127                         L  : constant Node_Id := Type_Low_Bound (Typ);
4128                         H  : constant Node_Id := Type_High_Bound (Typ);
4129                         LE : Node_Id;
4130                         HE : Node_Id;
4131
4132                      begin
4133                         --  B can either be a scalar type, in which case the
4134                         --  declaration of Typ may constrain it with different
4135                         --  bounds, or a private type, in which case we know
4136                         --  that the declaration of Typ cannot have a scalar
4137                         --  constraint.
4138
4139                         if Is_Scalar_Type (B) then
4140                            LE := Type_Low_Bound (B);
4141                            HE := Type_High_Bound (B);
4142                         else
4143                            LE := Empty;
4144                            HE := Empty;
4145                         end if;
4146
4147                         if No (LE)
4148                           or else (True
4149                             and then Nkind (L) = N_Integer_Literal
4150                             and then Nkind (H) = N_Integer_Literal
4151                             and then Nkind (LE) = N_Integer_Literal
4152                             and then Nkind (HE) = N_Integer_Literal
4153                             and then UI_Eq (Intval (L), Intval (LE))
4154                             and then UI_Eq (Intval (H), Intval (HE)))
4155                         then
4156                            null;
4157
4158                         else
4159                            Write_Str (" range ");
4160                            Sprint_Node (Type_Low_Bound (Typ));
4161                            Write_Str (" .. ");
4162                            Sprint_Node (Type_High_Bound (Typ));
4163                         end if;
4164                      end;
4165
4166                   --  Modular integer types
4167
4168                   when E_Modular_Integer_Type =>
4169                      Write_Header;
4170                      Write_Str ("mod ");
4171                      Write_Uint_With_Col_Check (Modulus (Typ), Auto);
4172
4173                   --  Floating point types and subtypes
4174
4175                   when E_Floating_Point_Type    |
4176                        E_Floating_Point_Subtype =>
4177
4178                      Write_Header (Ekind (Typ) = E_Floating_Point_Type);
4179
4180                      if Ekind (Typ) = E_Floating_Point_Type then
4181                         Write_Str ("new ");
4182                      end if;
4183
4184                      Write_Id (Etype (Typ));
4185
4186                      if Digits_Value (Typ) /= Digits_Value (Etype (Typ)) then
4187                         Write_Str (" digits ");
4188                         Write_Uint_With_Col_Check
4189                           (Digits_Value (Typ), Decimal);
4190                      end if;
4191
4192                      --  Print bounds if not different from base type
4193
4194                      declare
4195                         L  : constant Node_Id := Type_Low_Bound (Typ);
4196                         H  : constant Node_Id := Type_High_Bound (Typ);
4197                         LE : constant Node_Id := Type_Low_Bound (B);
4198                         HE : constant Node_Id := Type_High_Bound (B);
4199
4200                      begin
4201                         if Nkind (L) = N_Real_Literal
4202                           and then Nkind (H) = N_Real_Literal
4203                           and then Nkind (LE) = N_Real_Literal
4204                           and then Nkind (HE) = N_Real_Literal
4205                           and then UR_Eq (Realval (L), Realval (LE))
4206                           and then UR_Eq (Realval (H), Realval (HE))
4207                         then
4208                            null;
4209
4210                         else
4211                            Write_Str (" range ");
4212                            Sprint_Node (Type_Low_Bound (Typ));
4213                            Write_Str (" .. ");
4214                            Sprint_Node (Type_High_Bound (Typ));
4215                         end if;
4216                      end;
4217
4218                   --  Record subtypes
4219
4220                   when E_Record_Subtype | E_Record_Subtype_With_Private =>
4221                      Write_Header (False);
4222                      Write_Str ("record");
4223                      Indent_Begin;
4224
4225                      declare
4226                         C : Entity_Id;
4227                      begin
4228                         C := First_Entity (Typ);
4229                         while Present (C) loop
4230                            Write_Indent;
4231                            Write_Id (C);
4232                            Write_Str (" : ");
4233                            Write_Id (Etype (C));
4234                            Next_Entity (C);
4235                         end loop;
4236                      end;
4237
4238                      Indent_End;
4239                      Write_Indent_Str (" end record");
4240
4241                   --  Class-Wide types
4242
4243                   when E_Class_Wide_Type    |
4244                        E_Class_Wide_Subtype =>
4245                      Write_Header (Ekind (Typ) = E_Class_Wide_Type);
4246                      Write_Name_With_Col_Check (Chars (Etype (Typ)));
4247                      Write_Str ("'Class");
4248
4249                   --  Subprogram types
4250
4251                   when E_Subprogram_Type =>
4252                      Write_Header;
4253
4254                      if Etype (Typ) = Standard_Void_Type then
4255                         Write_Str ("procedure");
4256                      else
4257                         Write_Str ("function");
4258                      end if;
4259
4260                      if Present (First_Entity (Typ)) then
4261                         Write_Str (" (");
4262
4263                         declare
4264                            Param : Entity_Id;
4265
4266                         begin
4267                            Param := First_Entity (Typ);
4268                            loop
4269                               Write_Id (Param);
4270                               Write_Str (" : ");
4271
4272                               if Ekind (Param) = E_In_Out_Parameter then
4273                                  Write_Str ("in out ");
4274                               elsif Ekind (Param) = E_Out_Parameter then
4275                                  Write_Str ("out ");
4276                               end if;
4277
4278                               Write_Id (Etype (Param));
4279                               Next_Entity (Param);
4280                               exit when No (Param);
4281                               Write_Str (", ");
4282                            end loop;
4283
4284                            Write_Char (')');
4285                         end;
4286                      end if;
4287
4288                      if Etype (Typ) /= Standard_Void_Type then
4289                         Write_Str (" return ");
4290                         Write_Id (Etype (Typ));
4291                      end if;
4292
4293                   when E_String_Literal_Subtype =>
4294                      declare
4295                         LB  : constant Uint :=
4296                                 Expr_Value (String_Literal_Low_Bound (Typ));
4297                         Len : constant Uint :=
4298                                 String_Literal_Length (Typ);
4299                      begin
4300                         Write_Str ("String (");
4301                         Write_Int (UI_To_Int (LB));
4302                         Write_Str (" .. ");
4303                         Write_Int (UI_To_Int (LB + Len) - 1);
4304                         Write_Str (");");
4305                      end;
4306
4307                   --  For all other Itypes, print ??? (fill in later)
4308
4309                   when others =>
4310                      Write_Header (True);
4311                      Write_Str ("???");
4312
4313                end case;
4314             end if;
4315
4316             --  Add terminating bracket and restore output buffer
4317
4318             Write_Char (']');
4319             Write_Eol;
4320             Restore_Output_Buffer (S);
4321          end;
4322
4323          Set_Itype_Printed (Typ);
4324       end if;
4325    end Write_Itype;
4326
4327    -------------------------------
4328    -- Write_Name_With_Col_Check --
4329    -------------------------------
4330
4331    procedure Write_Name_With_Col_Check (N : Name_Id) is
4332       J : Natural;
4333       K : Natural;
4334       L : Natural;
4335
4336    begin
4337       Get_Name_String (N);
4338
4339       --  Deal with -gnatdI which replaces any sequence Cnnnb where C is an
4340       --  upper case letter, nnn is one or more digits and b is a lower case
4341       --  letter by C...b, so that listings do not depend on serial numbers.
4342
4343       if Debug_Flag_II then
4344          J := 1;
4345          while J < Name_Len - 1 loop
4346             if Name_Buffer (J) in 'A' .. 'Z'
4347               and then Name_Buffer (J + 1) in '0' .. '9'
4348             then
4349                K := J + 1;
4350                while K < Name_Len loop
4351                   exit when Name_Buffer (K) not in '0' .. '9';
4352                   K := K + 1;
4353                end loop;
4354
4355                if Name_Buffer (K) in 'a' .. 'z' then
4356                   L := Name_Len - K + 1;
4357
4358                   Name_Buffer (J + 4 .. J + L + 3) :=
4359                     Name_Buffer (K .. Name_Len);
4360                   Name_Buffer (J + 1 .. J + 3) := "...";
4361                   Name_Len := J + L + 3;
4362                   J := J + 5;
4363
4364                else
4365                   J := K;
4366                end if;
4367
4368             else
4369                J := J + 1;
4370             end if;
4371          end loop;
4372       end if;
4373
4374       --  Fall through for normal case
4375
4376       Write_Str_With_Col_Check (Name_Buffer (1 .. Name_Len));
4377    end Write_Name_With_Col_Check;
4378
4379    ------------------------------------
4380    -- Write_Name_With_Col_Check_Sloc --
4381    ------------------------------------
4382
4383    procedure Write_Name_With_Col_Check_Sloc (N : Name_Id) is
4384    begin
4385       Get_Name_String (N);
4386       Write_Str_With_Col_Check_Sloc (Name_Buffer (1 .. Name_Len));
4387    end Write_Name_With_Col_Check_Sloc;
4388
4389    --------------------
4390    -- Write_Operator --
4391    --------------------
4392
4393    procedure Write_Operator (N : Node_Id; S : String) is
4394       F : Natural := S'First;
4395       T : Natural := S'Last;
4396
4397    begin
4398       --  If no overflow check, just write string out, and we are done
4399
4400       if not Do_Overflow_Check (N) then
4401          Write_Str_Sloc (S);
4402
4403       --  If overflow check, we want to surround the operator with curly
4404       --  brackets, but not include spaces within the brackets.
4405
4406       else
4407          if S (F) = ' ' then
4408             Write_Char (' ');
4409             F := F + 1;
4410          end if;
4411
4412          if S (T) = ' ' then
4413             T := T - 1;
4414          end if;
4415
4416          Write_Char ('{');
4417          Write_Str_Sloc (S (F .. T));
4418          Write_Char ('}');
4419
4420          if S (S'Last) = ' ' then
4421             Write_Char (' ');
4422          end if;
4423       end if;
4424    end Write_Operator;
4425
4426    -----------------------
4427    -- Write_Param_Specs --
4428    -----------------------
4429
4430    procedure Write_Param_Specs (N : Node_Id) is
4431       Specs  : List_Id;
4432       Spec   : Node_Id;
4433       Formal : Node_Id;
4434
4435    begin
4436       Specs := Parameter_Specifications (N);
4437
4438       if Is_Non_Empty_List (Specs) then
4439          Write_Str_With_Col_Check (" (");
4440          Spec := First (Specs);
4441
4442          loop
4443             Sprint_Node (Spec);
4444             Formal := Defining_Identifier (Spec);
4445             Next (Spec);
4446             exit when Spec = Empty;
4447
4448             --  Add semicolon, unless we are printing original tree and the
4449             --  next specification is part of a list (but not the first element
4450             --  of that list).
4451
4452             if not Dump_Original_Only or else not Prev_Ids (Spec) then
4453                Write_Str ("; ");
4454             end if;
4455          end loop;
4456
4457          --  Write out any extra formals
4458
4459          while Present (Extra_Formal (Formal)) loop
4460             Formal := Extra_Formal (Formal);
4461             Write_Str ("; ");
4462             Write_Name_With_Col_Check (Chars (Formal));
4463             Write_Str (" : ");
4464             Write_Name_With_Col_Check (Chars (Etype (Formal)));
4465          end loop;
4466
4467          Write_Char (')');
4468       end if;
4469    end Write_Param_Specs;
4470
4471    -----------------------
4472    -- Write_Rewrite_Str --
4473    -----------------------
4474
4475    procedure Write_Rewrite_Str (S : String) is
4476    begin
4477       if not Dump_Generated_Only then
4478          if S'Length = 3 and then S = ">>>" then
4479             Write_Str (">>>");
4480          else
4481             Write_Str_With_Col_Check (S);
4482          end if;
4483       end if;
4484    end Write_Rewrite_Str;
4485
4486    -----------------------
4487    -- Write_Source_Line --
4488    -----------------------
4489
4490    procedure Write_Source_Line (L : Physical_Line_Number) is
4491       Loc : Source_Ptr;
4492       Src : Source_Buffer_Ptr;
4493       Scn : Source_Ptr;
4494
4495    begin
4496       if Dump_Source_Text then
4497          Src := Source_Text (Current_Source_File);
4498          Loc := Line_Start (L, Current_Source_File);
4499          Write_Eol;
4500
4501          --  See if line is a comment line, if not, and if not line one,
4502          --  precede with blank line.
4503
4504          Scn := Loc;
4505          while Src (Scn) = ' ' or else Src (Scn) = ASCII.HT loop
4506             Scn := Scn + 1;
4507          end loop;
4508
4509          if (Src (Scn) in Line_Terminator
4510               or else Src (Scn .. Scn + 1) /= "--")
4511            and then L /= 1
4512          then
4513             Write_Eol;
4514          end if;
4515
4516          --  Now write the source text of the line
4517
4518          Write_Str ("-- ");
4519          Write_Int (Int (L));
4520          Write_Str (": ");
4521
4522          while Src (Loc) not in Line_Terminator loop
4523             Write_Char (Src (Loc));
4524             Loc := Loc + 1;
4525          end loop;
4526       end if;
4527    end Write_Source_Line;
4528
4529    ------------------------
4530    -- Write_Source_Lines --
4531    ------------------------
4532
4533    procedure Write_Source_Lines (L : Physical_Line_Number) is
4534    begin
4535       while Last_Line_Printed < L loop
4536          Last_Line_Printed := Last_Line_Printed + 1;
4537          Write_Source_Line (Last_Line_Printed);
4538       end loop;
4539    end Write_Source_Lines;
4540
4541    --------------------
4542    -- Write_Str_Sloc --
4543    --------------------
4544
4545    procedure Write_Str_Sloc (S : String) is
4546    begin
4547       for J in S'Range loop
4548          Write_Char_Sloc (S (J));
4549       end loop;
4550    end Write_Str_Sloc;
4551
4552    ------------------------------
4553    -- Write_Str_With_Col_Check --
4554    ------------------------------
4555
4556    procedure Write_Str_With_Col_Check (S : String) is
4557    begin
4558       if Int (S'Last) + Column > Sprint_Line_Limit then
4559          Write_Indent_Str ("  ");
4560
4561          if S (S'First) = ' ' then
4562             Write_Str (S (S'First + 1 .. S'Last));
4563          else
4564             Write_Str (S);
4565          end if;
4566
4567       else
4568          Write_Str (S);
4569       end if;
4570    end Write_Str_With_Col_Check;
4571
4572    -----------------------------------
4573    -- Write_Str_With_Col_Check_Sloc --
4574    -----------------------------------
4575
4576    procedure Write_Str_With_Col_Check_Sloc (S : String) is
4577    begin
4578       if Int (S'Last) + Column > Sprint_Line_Limit then
4579          Write_Indent_Str ("  ");
4580
4581          if S (S'First) = ' ' then
4582             Write_Str_Sloc (S (S'First + 1 .. S'Last));
4583          else
4584             Write_Str_Sloc (S);
4585          end if;
4586
4587       else
4588          Write_Str_Sloc (S);
4589       end if;
4590    end Write_Str_With_Col_Check_Sloc;
4591
4592    ---------------------------
4593    -- Write_Subprogram_Name --
4594    ---------------------------
4595
4596    procedure Write_Subprogram_Name (N : Node_Id) is
4597    begin
4598       if not Comes_From_Source (N)
4599         and then Is_Entity_Name (N)
4600       then
4601          declare
4602             Ent : constant Entity_Id := Entity (N);
4603          begin
4604             if not In_Extended_Main_Source_Unit (Ent)
4605               and then
4606                 Is_Predefined_File_Name
4607                   (Unit_File_Name (Get_Source_Unit (Ent)))
4608             then
4609                --  Run-time routine name, output name with a preceding dollar
4610                --  making sure that we do not get a line split between them.
4611
4612                Col_Check (Length_Of_Name (Chars (Ent)) + 1);
4613                Write_Char ('$');
4614                Write_Name (Chars (Ent));
4615                return;
4616             end if;
4617          end;
4618       end if;
4619
4620       --  Normal case, not a run-time routine name
4621
4622       Sprint_Node (N);
4623    end Write_Subprogram_Name;
4624
4625    -------------------------------
4626    -- Write_Uint_With_Col_Check --
4627    -------------------------------
4628
4629    procedure Write_Uint_With_Col_Check (U : Uint; Format : UI_Format) is
4630    begin
4631       Col_Check (UI_Decimal_Digits_Hi (U));
4632       UI_Write (U, Format);
4633    end Write_Uint_With_Col_Check;
4634
4635    ------------------------------------
4636    -- Write_Uint_With_Col_Check_Sloc --
4637    ------------------------------------
4638
4639    procedure Write_Uint_With_Col_Check_Sloc (U : Uint; Format : UI_Format) is
4640    begin
4641       Col_Check (UI_Decimal_Digits_Hi (U));
4642       Set_Debug_Sloc;
4643       UI_Write (U, Format);
4644    end Write_Uint_With_Col_Check_Sloc;
4645
4646    -------------------------------------
4647    -- Write_Ureal_With_Col_Check_Sloc --
4648    -------------------------------------
4649
4650    procedure Write_Ureal_With_Col_Check_Sloc (U : Ureal) is
4651       D : constant Uint := Denominator (U);
4652       N : constant Uint := Numerator (U);
4653    begin
4654       Col_Check (UI_Decimal_Digits_Hi (D) + UI_Decimal_Digits_Hi (N) + 4);
4655       Set_Debug_Sloc;
4656       UR_Write (U, Brackets => True);
4657    end Write_Ureal_With_Col_Check_Sloc;
4658
4659 end Sprint;