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
 517          --  We do not know the actual end location in the generated code and
 518          --  it could be much closer than in the source code, so play safe.
 519
 520          if Nkind_In (Dump_Node, N_Case_Statement, N_If_Statement) then
 521             Set_End_Location (Dump_Node, Debug_Sloc + Source_Ptr (Column - 1));
 522          end if;
 523
 524          Dump_Node := Empty;
 525       end if;
 526    end Set_Debug_Sloc;
 527
 528    -----------------
 529    -- Source_Dump --
 530    -----------------
 531
 532    procedure Source_Dump is
 533
 534       procedure Underline;
 535       --  Put underline under string we just printed
 536
 537       ---------------
 538       -- Underline --
 539       ---------------
 540
 541       procedure Underline is
 542          Col : constant Int := Column;
 543
 544       begin
 545          Write_Eol;
 546
 547          while Col > Column loop
 548             Write_Char ('-');
 549          end loop;
 550
 551          Write_Eol;
 552       end Underline;
 553
 554    --  Start of processing for Source_Dump
 555
 556    begin
 557       Dump_Generated_Only := Debug_Flag_G or
 558                              Print_Generated_Code or
 559                              Debug_Generated_Code;
 560       Dump_Original_Only  := Debug_Flag_O;
 561       Dump_Freeze_Null    := Debug_Flag_S or Debug_Flag_G;
 562
 563       --  Note that we turn off the tree dump flags immediately, before
 564       --  starting the dump. This avoids generating two copies of the dump
 565       --  if an abort occurs after printing the dump, and more importantly,
 566       --  avoids an infinite loop if an abort occurs during the dump.
 567
 568       if Debug_Flag_Z then
 569          Current_Source_File := No_Source_File;
 570          Debug_Flag_Z := False;
 571          Write_Eol;
 572          Write_Eol;
 573          Write_Str ("Source recreated from tree of Standard (spec)");
 574          Underline;
 575          Sprint_Node (Standard_Package_Node);
 576          Write_Eol;
 577          Write_Eol;
 578       end if;
 579
 580       if Debug_Flag_S or Dump_Generated_Only or Dump_Original_Only then
 581          Debug_Flag_G := False;
 582          Debug_Flag_O := False;
 583          Debug_Flag_S := False;
 584
 585          --  Dump requested units
 586
 587          for U in Main_Unit .. Last_Unit loop
 588             Current_Source_File := Source_Index (U);
 589
 590             --  Dump all units if -gnatdf set, otherwise we dump only
 591             --  the source files that are in the extended main source.
 592
 593             if Debug_Flag_F
 594               or else In_Extended_Main_Source_Unit (Cunit_Entity (U))
 595             then
 596                --  If we are generating debug files, setup to write them
 597
 598                if Debug_Generated_Code then
 599                   Set_Special_Output (Print_Debug_Line'Access);
 600                   Create_Debug_Source (Source_Index (U), Debug_Sloc);
 601                   Write_Source_Line (1);
 602                   Last_Line_Printed := 1;
 603                   Sprint_Node (Cunit (U));
 604                   Write_Source_Lines (Last_Source_Line (Current_Source_File));
 605                   Write_Eol;
 606                   Close_Debug_Source;
 607                   Set_Special_Output (null);
 608
 609                --  Normal output to standard output file
 610
 611                else
 612                   Write_Str ("Source recreated from tree for ");
 613                   Write_Unit_Name (Unit_Name (U));
 614                   Underline;
 615                   Write_Source_Line (1);
 616                   Last_Line_Printed := 1;
 617                   Sprint_Node (Cunit (U));
 618                   Write_Source_Lines (Last_Source_Line (Current_Source_File));
 619                   Write_Eol;
 620                   Write_Eol;
 621                end if;
 622             end if;
 623          end loop;
 624       end if;
 625    end Source_Dump;
 626
 627    ---------------------
 628    -- Sprint_And_List --
 629    ---------------------
 630
 631    procedure Sprint_And_List (List : List_Id) is
 632       Node : Node_Id;
 633    begin
 634       if Is_Non_Empty_List (List) then
 635          Node := First (List);
 636          loop
 637             Sprint_Node (Node);
 638             Next (Node);
 639             exit when Node = Empty;
 640             Write_Str (" and ");
 641          end loop;
 642       end if;
 643    end Sprint_And_List;
 644
 645    ----------------------------------
 646    -- Sprint_Aspect_Specifications --
 647    ----------------------------------
 648
 649    procedure Sprint_Aspect_Specifications
 650      (Node      : Node_Id;
 651       Semicolon : Boolean)
 652    is
 653       AS : constant List_Id := Aspect_Specifications (Node);
 654       A  : Node_Id;
 655
 656    begin
 657       if Semicolon then
 658          Write_Erase_Char (';');
 659          Indent := Indent + 2;
 660          Write_Indent;
 661          Write_Str ("with ");
 662          Indent := Indent + 5;
 663
 664       else
 665          Write_Str (" with ");
 666       end if;
 667
 668       A := First (AS);
 669       loop
 670          Sprint_Node (Identifier (A));
 671
 672          if Class_Present (A) then
 673             Write_Str ("'Class");
 674          end if;
 675
 676          if Present (Expression (A)) then
 677             Write_Str (" => ");
 678             Sprint_Node (Expression (A));
 679          end if;
 680
 681          Next (A);
 682
 683          exit when No (A);
 684          Write_Char (',');
 685
 686          if Semicolon then
 687             Write_Indent;
 688          end if;
 689       end loop;
 690
 691       if Semicolon then
 692          Indent := Indent - 7;
 693          Write_Char (';');
 694       end if;
 695    end Sprint_Aspect_Specifications;
 696
 697    ---------------------
 698    -- Sprint_Bar_List --
 699    ---------------------
 700
 701    procedure Sprint_Bar_List (List : List_Id) is
 702       Node : Node_Id;
 703    begin
 704       if Is_Non_Empty_List (List) then
 705          Node := First (List);
 706          loop
 707             Sprint_Node (Node);
 708             Next (Node);
 709             exit when Node = Empty;
 710             Write_Str (" | ");
 711          end loop;
 712       end if;
 713    end Sprint_Bar_List;
 714
 715    ----------------------
 716    -- Sprint_End_Label --
 717    ----------------------
 718
 719    procedure Sprint_End_Label
 720      (Node    : Node_Id;
 721       Default : Node_Id)
 722    is
 723    begin
 724       if Present (Node)
 725         and then Present (End_Label (Node))
 726         and then Is_Entity_Name (End_Label (Node))
 727       then
 728          Set_Entity (End_Label (Node), Default);
 729
 730          --  For a function whose name is an operator, use the qualified name
 731          --  created for the defining entity.
 732
 733          if Nkind (End_Label (Node)) = N_Operator_Symbol then
 734             Set_Chars (End_Label (Node), Chars (Default));
 735          end if;
 736
 737          Sprint_Node (End_Label (Node));
 738       else
 739          Sprint_Node (Default);
 740       end if;
 741    end Sprint_End_Label;
 742
 743    -----------------------
 744    -- Sprint_Comma_List --
 745    -----------------------
 746
 747    procedure Sprint_Comma_List (List : List_Id) is
 748       Node : Node_Id;
 749
 750    begin
 751       if Is_Non_Empty_List (List) then
 752          Node := First (List);
 753          loop
 754             Sprint_Node (Node);
 755             Next (Node);
 756             exit when Node = Empty;
 757
 758             if not Is_Rewrite_Insertion (Node)
 759               or else not Dump_Original_Only
 760             then
 761                Write_Str (", ");
 762             end if;
 763          end loop;
 764       end if;
 765    end Sprint_Comma_List;
 766
 767    --------------------------
 768    -- Sprint_Indented_List --
 769    --------------------------
 770
 771    procedure Sprint_Indented_List (List : List_Id) is
 772    begin
 773       Indent_Begin;
 774       Sprint_Node_List (List);
 775       Indent_End;
 776    end Sprint_Indented_List;
 777
 778    ---------------------
 779    -- Sprint_Left_Opnd --
 780    ---------------------
 781
 782    procedure Sprint_Left_Opnd (N : Node_Id) is
 783       Opnd : constant Node_Id := Left_Opnd (N);
 784
 785    begin
 786       if Paren_Count (Opnd) /= 0
 787         or else Op_Prec (Nkind (Opnd)) >= Op_Prec (Nkind (N))
 788       then
 789          Sprint_Node (Opnd);
 790
 791       else
 792          Write_Char ('(');
 793          Sprint_Node (Opnd);
 794          Write_Char (')');
 795       end if;
 796    end Sprint_Left_Opnd;
 797
 798    -----------------
 799    -- Sprint_Node --
 800    -----------------
 801
 802    procedure Sprint_Node (Node : Node_Id) is
 803    begin
 804       if Is_Rewrite_Insertion (Node) then
 805          if not Dump_Original_Only then
 806
 807             --  For special cases of nodes that always output <<< >>>
 808             --  do not duplicate the output at this point.
 809
 810             if Nkind (Node) = N_Freeze_Entity
 811               or else Nkind (Node) = N_Freeze_Generic_Entity
 812               or else Nkind (Node) = N_Implicit_Label_Declaration
 813             then
 814                Sprint_Node_Actual (Node);
 815
 816             --  Normal case where <<< >>> may be required
 817
 818             else
 819                Write_Rewrite_Str ("<<<");
 820                Sprint_Node_Actual (Node);
 821                Write_Rewrite_Str (">>>");
 822             end if;
 823          end if;
 824
 825       elsif Is_Rewrite_Substitution (Node) then
 826
 827          --  Case of dump generated only
 828
 829          if Dump_Generated_Only then
 830             Sprint_Node_Actual (Node);
 831
 832          --  Case of dump original only
 833
 834          elsif Dump_Original_Only then
 835             Sprint_Node_Actual (Original_Node (Node));
 836
 837          --  Case of both being dumped
 838
 839          else
 840             Sprint_Node_Actual (Original_Node (Node));
 841             Write_Rewrite_Str ("<<<");
 842             Sprint_Node_Actual (Node);
 843             Write_Rewrite_Str (">>>");
 844          end if;
 845
 846       else
 847          Sprint_Node_Actual (Node);
 848       end if;
 849    end Sprint_Node;
 850
 851    ------------------------
 852    -- Sprint_Node_Actual --
 853    ------------------------
 854
 855    procedure Sprint_Node_Actual (Node : Node_Id) is
 856       Save_Dump_Node : constant Node_Id := Dump_Node;
 857
 858    begin
 859       if Node = Empty then
 860          return;
 861       end if;
 862
 863       for J in 1 .. Paren_Count (Node) loop
 864          Write_Str_With_Col_Check ("(");
 865       end loop;
 866
 867       --  Setup current dump node
 868
 869       Dump_Node := Node;
 870
 871       if Nkind (Node) in N_Subexpr
 872         and then Do_Range_Check (Node)
 873       then
 874          Write_Str_With_Col_Check ("{");
 875       end if;
 876
 877       --  Select print circuit based on node kind
 878
 879       case Nkind (Node) is
 880          when N_Abort_Statement =>
 881             Write_Indent_Str_Sloc ("abort ");
 882             Sprint_Comma_List (Names (Node));
 883             Write_Char (';');
 884
 885          when N_Abortable_Part =>
 886             Set_Debug_Sloc;
 887             Write_Str_Sloc ("abort ");
 888             Sprint_Indented_List (Statements (Node));
 889
 890          when N_Abstract_Subprogram_Declaration =>
 891             Write_Indent;
 892             Sprint_Node (Specification (Node));
 893             Write_Str_With_Col_Check (" is ");
 894             Write_Str_Sloc ("abstract;");
 895
 896          when N_Accept_Alternative =>
 897             Sprint_Node_List (Pragmas_Before (Node));
 898
 899             if Present (Condition (Node)) then
 900                Write_Indent_Str ("when ");
 901                Sprint_Node (Condition (Node));
 902                Write_Str (" => ");
 903                Indent_Annull;
 904             end if;
 905
 906             Sprint_Node_Sloc (Accept_Statement (Node));
 907             Sprint_Node_List (Statements (Node));
 908
 909          when N_Accept_Statement =>
 910             Write_Indent_Str_Sloc ("accept ");
 911             Write_Id (Entry_Direct_Name (Node));
 912
 913             if Present (Entry_Index (Node)) then
 914                Write_Str_With_Col_Check (" (");
 915                Sprint_Node (Entry_Index (Node));
 916                Write_Char (')');
 917             end if;
 918
 919             Write_Param_Specs (Node);
 920
 921             if Present (Handled_Statement_Sequence (Node)) then
 922                Write_Str_With_Col_Check (" do");
 923                Sprint_Node (Handled_Statement_Sequence (Node));
 924                Write_Indent_Str ("end ");
 925                Write_Id (Entry_Direct_Name (Node));
 926             end if;
 927
 928             Write_Char (';');
 929
 930          when N_Access_Definition =>
 931
 932             --  Ada 2005 (AI-254)
 933
 934             if Present (Access_To_Subprogram_Definition (Node)) then
 935                Sprint_Node (Access_To_Subprogram_Definition (Node));
 936             else
 937                --  Ada 2005 (AI-231)
 938
 939                if Null_Exclusion_Present (Node) then
 940                   Write_Str ("not null ");
 941                end if;
 942
 943                Write_Str_With_Col_Check_Sloc ("access ");
 944
 945                if All_Present (Node) then
 946                   Write_Str ("all ");
 947                elsif Constant_Present (Node) then
 948                   Write_Str ("constant ");
 949                end if;
 950
 951                Sprint_Node (Subtype_Mark (Node));
 952             end if;
 953
 954          when N_Access_Function_Definition =>
 955
 956             --  Ada 2005 (AI-231)
 957
 958             if Null_Exclusion_Present (Node) then
 959                Write_Str ("not null ");
 960             end if;
 961
 962             Write_Str_With_Col_Check_Sloc ("access ");
 963
 964             if Protected_Present (Node) then
 965                Write_Str_With_Col_Check ("protected ");
 966             end if;
 967
 968             Write_Str_With_Col_Check ("function");
 969             Write_Param_Specs (Node);
 970             Write_Str_With_Col_Check (" return ");
 971             Sprint_Node (Result_Definition (Node));
 972
 973          when N_Access_Procedure_Definition =>
 974
 975             --  Ada 2005 (AI-231)
 976
 977             if Null_Exclusion_Present (Node) then
 978                Write_Str ("not null ");
 979             end if;
 980
 981             Write_Str_With_Col_Check_Sloc ("access ");
 982
 983             if Protected_Present (Node) then
 984                Write_Str_With_Col_Check ("protected ");
 985             end if;
 986
 987             Write_Str_With_Col_Check ("procedure");
 988             Write_Param_Specs (Node);
 989
 990          when N_Access_To_Object_Definition =>
 991             Write_Str_With_Col_Check_Sloc ("access ");
 992
 993             if All_Present (Node) then
 994                Write_Str_With_Col_Check ("all ");
 995             elsif Constant_Present (Node) then
 996                Write_Str_With_Col_Check ("constant ");
 997             end if;
 998
 999             --  Ada 2005 (AI-231)
1000
1001             if Null_Exclusion_Present (Node) then
1002                Write_Str ("not null ");
1003             end if;
1004
1005             Sprint_Node (Subtype_Indication (Node));
1006
1007          when N_Aggregate =>
1008             if Null_Record_Present (Node) then
1009                Write_Str_With_Col_Check_Sloc ("(null record)");
1010
1011             else
1012                Write_Str_With_Col_Check_Sloc ("(");
1013
1014                if Present (Expressions (Node)) then
1015                   Sprint_Comma_List (Expressions (Node));
1016
1017                   if Present (Component_Associations (Node))
1018                     and then not Is_Empty_List (Component_Associations (Node))
1019                   then
1020                      Write_Str (", ");
1021                   end if;
1022                end if;
1023
1024                if Present (Component_Associations (Node))
1025                  and then not Is_Empty_List (Component_Associations (Node))
1026                then
1027                   Indent_Begin;
1028
1029                   declare
1030                      Nd : Node_Id;
1031
1032                   begin
1033                      Nd := First (Component_Associations (Node));
1034
1035                      loop
1036                         Write_Indent;
1037                         Sprint_Node (Nd);
1038                         Next (Nd);
1039                         exit when No (Nd);
1040
1041                         if not Is_Rewrite_Insertion (Nd)
1042                           or else not Dump_Original_Only
1043                         then
1044                            Write_Str (", ");
1045                         end if;
1046                      end loop;
1047                   end;
1048
1049                   Indent_End;
1050                end if;
1051
1052                Write_Char (')');
1053             end if;
1054
1055          when N_Allocator =>
1056             Write_Str_With_Col_Check_Sloc ("new ");
1057
1058             --  Ada 2005 (AI-231)
1059
1060             if Null_Exclusion_Present (Node) then
1061                Write_Str ("not null ");
1062             end if;
1063
1064             Sprint_Node (Expression (Node));
1065
1066             if Present (Storage_Pool (Node)) then
1067                Write_Str_With_Col_Check ("[storage_pool = ");
1068                Sprint_Node (Storage_Pool (Node));
1069                Write_Char (']');
1070             end if;
1071
1072          when N_And_Then =>
1073             Sprint_Left_Opnd (Node);
1074             Write_Str_Sloc (" and then ");
1075             Sprint_Right_Opnd (Node);
1076
1077          --  Note: the following code for N_Aspect_Specification is not
1078          --  normally used, since we deal with aspects as part of a
1079          --  declaration, but it is here in case we deliberately try
1080          --  to print an N_Aspect_Speficiation node (e.g. from GDB).
1081
1082          when N_Aspect_Specification =>
1083             Sprint_Node (Identifier (Node));
1084             Write_Str (" => ");
1085             Sprint_Node (Expression (Node));
1086
1087          when N_Assignment_Statement =>
1088             Write_Indent;
1089             Sprint_Node (Name (Node));
1090             Write_Str_Sloc (" := ");
1091             Sprint_Node (Expression (Node));
1092             Write_Char (';');
1093
1094          when N_Asynchronous_Select =>
1095             Write_Indent_Str_Sloc ("select");
1096             Indent_Begin;
1097             Sprint_Node (Triggering_Alternative (Node));
1098             Indent_End;
1099
1100             --  Note: let the printing of Abortable_Part handle outputting
1101             --  the ABORT keyword, so that the Sloc can be set correctly.
1102
1103             Write_Indent_Str ("then ");
1104             Sprint_Node (Abortable_Part (Node));
1105             Write_Indent_Str ("end select;");
1106
1107          when N_At_Clause =>
1108             Write_Indent_Str_Sloc ("for ");
1109             Write_Id (Identifier (Node));
1110             Write_Str_With_Col_Check (" use at ");
1111             Sprint_Node (Expression (Node));
1112             Write_Char (';');
1113
1114          when N_Attribute_Definition_Clause =>
1115             Write_Indent_Str_Sloc ("for ");
1116             Sprint_Node (Name (Node));
1117             Write_Char (''');
1118             Write_Name_With_Col_Check (Chars (Node));
1119             Write_Str_With_Col_Check (" use ");
1120             Sprint_Node (Expression (Node));
1121             Write_Char (';');
1122
1123          when N_Attribute_Reference =>
1124             if Is_Procedure_Attribute_Name (Attribute_Name (Node)) then
1125                Write_Indent;
1126             end if;
1127
1128             Sprint_Node (Prefix (Node));
1129             Write_Char_Sloc (''');
1130             Write_Name_With_Col_Check (Attribute_Name (Node));
1131             Sprint_Paren_Comma_List (Expressions (Node));
1132
1133             if Is_Procedure_Attribute_Name (Attribute_Name (Node)) then
1134                Write_Char (';');
1135             end if;
1136
1137          when N_Block_Statement =>
1138             Write_Indent;
1139
1140             if Present (Identifier (Node))
1141               and then (not Has_Created_Identifier (Node)
1142                          or else not Dump_Original_Only)
1143             then
1144                Write_Rewrite_Str ("<<<");
1145                Write_Id (Identifier (Node));
1146                Write_Str (" : ");
1147                Write_Rewrite_Str (">>>");
1148             end if;
1149
1150             if Present (Declarations (Node)) then
1151                Write_Str_With_Col_Check_Sloc ("declare");
1152                Sprint_Indented_List (Declarations (Node));
1153                Write_Indent;
1154             end if;
1155
1156             Write_Str_With_Col_Check_Sloc ("begin");
1157             Sprint_Node (Handled_Statement_Sequence (Node));
1158             Write_Indent_Str ("end");
1159
1160             if Present (Identifier (Node))
1161               and then (not Has_Created_Identifier (Node)
1162                           or else not Dump_Original_Only)
1163             then
1164                Write_Rewrite_Str ("<<<");
1165                Write_Char (' ');
1166                Write_Id (Identifier (Node));
1167                Write_Rewrite_Str (">>>");
1168             end if;
1169
1170             Write_Char (';');
1171
1172          when N_Case_Expression =>
1173             declare
1174                Has_Parens : constant Boolean := Paren_Count (Node) > 0;
1175                Alt        : Node_Id;
1176
1177             begin
1178                --  The syntax for case_expression does not include parentheses,
1179                --  but sometimes parentheses are required, so unconditionally
1180                --  generate them here unless already present.
1181
1182                if not Has_Parens then
1183                   Write_Char ('(');
1184                end if;
1185
1186                Write_Str_With_Col_Check_Sloc ("case ");
1187                Sprint_Node (Expression (Node));
1188                Write_Str_With_Col_Check (" is");
1189
1190                Alt := First (Alternatives (Node));
1191                loop
1192                   Sprint_Node (Alt);
1193                   Next (Alt);
1194                   exit when No (Alt);
1195                   Write_Char (',');
1196                end loop;
1197
1198                if not Has_Parens then
1199                   Write_Char (')');
1200                end if;
1201             end;
1202
1203          when N_Case_Expression_Alternative =>
1204             Write_Str_With_Col_Check (" when ");
1205             Sprint_Bar_List (Discrete_Choices (Node));
1206             Write_Str (" => ");
1207             Sprint_Node (Expression (Node));
1208
1209          when N_Case_Statement =>
1210             Write_Indent_Str_Sloc ("case ");
1211             Sprint_Node (Expression (Node));
1212             Write_Str (" is");
1213             Sprint_Indented_List (Alternatives (Node));
1214             Write_Indent_Str ("end case;");
1215
1216          when N_Case_Statement_Alternative =>
1217             Write_Indent_Str_Sloc ("when ");
1218             Sprint_Bar_List (Discrete_Choices (Node));
1219             Write_Str (" => ");
1220             Sprint_Indented_List (Statements (Node));
1221
1222          when N_Character_Literal =>
1223             if Column > Sprint_Line_Limit - 2 then
1224                Write_Indent_Str ("  ");
1225             end if;
1226
1227             Write_Char_Sloc (''');
1228             Write_Char_Code (UI_To_CC (Char_Literal_Value (Node)));
1229             Write_Char (''');
1230
1231          when N_Code_Statement =>
1232             Write_Indent;
1233             Set_Debug_Sloc;
1234             Sprint_Node (Expression (Node));
1235             Write_Char (';');
1236
1237          when N_Compilation_Unit =>
1238             Sprint_Node_List (Context_Items (Node));
1239             Sprint_Opt_Node_List (Declarations (Aux_Decls_Node (Node)));
1240
1241             if Private_Present (Node) then
1242                Write_Indent_Str ("private ");
1243                Indent_Annull;
1244             end if;
1245
1246             Sprint_Node_Sloc (Unit (Node));
1247
1248             if Present (Actions (Aux_Decls_Node (Node)))
1249                  or else
1250                Present (Pragmas_After (Aux_Decls_Node (Node)))
1251             then
1252                Write_Indent;
1253             end if;
1254
1255             Sprint_Opt_Node_List (Actions (Aux_Decls_Node (Node)));
1256             Sprint_Opt_Node_List (Pragmas_After (Aux_Decls_Node (Node)));
1257
1258          when N_Compilation_Unit_Aux =>
1259             null; -- nothing to do, never used, see above
1260
1261          when N_Component_Association =>
1262             Set_Debug_Sloc;
1263             Sprint_Bar_List (Choices (Node));
1264             Write_Str (" => ");
1265
1266             --  Ada 2005 (AI-287): Print the box if present
1267
1268             if Box_Present (Node) then
1269                Write_Str_With_Col_Check ("<>");
1270             else
1271                Sprint_Node (Expression (Node));
1272             end if;
1273
1274          when N_Component_Clause =>
1275             Write_Indent;
1276             Sprint_Node (Component_Name (Node));
1277             Write_Str_Sloc (" at ");
1278             Sprint_Node (Position (Node));
1279             Write_Char (' ');
1280             Write_Str_With_Col_Check ("range ");
1281             Sprint_Node (First_Bit (Node));
1282             Write_Str (" .. ");
1283             Sprint_Node (Last_Bit (Node));
1284             Write_Char (';');
1285
1286          when N_Component_Definition =>
1287             Set_Debug_Sloc;
1288
1289             --  Ada 2005 (AI-230): Access definition components
1290
1291             if Present (Access_Definition (Node)) then
1292                Sprint_Node (Access_Definition (Node));
1293
1294             elsif Present (Subtype_Indication (Node)) then
1295                if Aliased_Present (Node) then
1296                   Write_Str_With_Col_Check ("aliased ");
1297                end if;
1298
1299                --  Ada 2005 (AI-231)
1300
1301                if Null_Exclusion_Present (Node) then
1302                   Write_Str (" not null ");
1303                end if;
1304
1305                Sprint_Node (Subtype_Indication (Node));
1306
1307             else
1308                Write_Str (" ??? ");
1309             end if;
1310
1311          when N_Component_Declaration =>
1312             if Write_Indent_Identifiers_Sloc (Node) then
1313                Write_Str (" : ");
1314                Sprint_Node (Component_Definition (Node));
1315
1316                if Present (Expression (Node)) then
1317                   Write_Str (" := ");
1318                   Sprint_Node (Expression (Node));
1319                end if;
1320
1321                Write_Char (';');
1322             end if;
1323
1324          when N_Component_List =>
1325             if Null_Present (Node) then
1326                Indent_Begin;
1327                Write_Indent_Str_Sloc ("null");
1328                Write_Char (';');
1329                Indent_End;
1330
1331             else
1332                Set_Debug_Sloc;
1333                Sprint_Indented_List (Component_Items (Node));
1334                Sprint_Node (Variant_Part (Node));
1335             end if;
1336
1337          when N_Compound_Statement =>
1338             Write_Indent_Str ("do");
1339             Indent_Begin;
1340             Sprint_Node_List (Actions (Node));
1341             Indent_End;
1342             Write_Indent_Str ("end;");
1343
1344          when N_Conditional_Entry_Call =>
1345             Write_Indent_Str_Sloc ("select");
1346             Indent_Begin;
1347             Sprint_Node (Entry_Call_Alternative (Node));
1348             Indent_End;
1349             Write_Indent_Str ("else");
1350             Sprint_Indented_List (Else_Statements (Node));
1351             Write_Indent_Str ("end select;");
1352
1353          when N_Constrained_Array_Definition =>
1354             Write_Str_With_Col_Check_Sloc ("array ");
1355             Sprint_Paren_Comma_List (Discrete_Subtype_Definitions (Node));
1356             Write_Str (" of ");
1357
1358             Sprint_Node (Component_Definition (Node));
1359
1360          --  A contract node should not appear in the tree. It is a semantic
1361          --  node attached to entry and [generic] subprogram entities.
1362
1363          when N_Contract =>
1364             raise Program_Error;
1365
1366          when N_Decimal_Fixed_Point_Definition =>
1367             Write_Str_With_Col_Check_Sloc (" delta ");
1368             Sprint_Node (Delta_Expression (Node));
1369             Write_Str_With_Col_Check ("digits ");
1370             Sprint_Node (Digits_Expression (Node));
1371             Sprint_Opt_Node (Real_Range_Specification (Node));
1372
1373          when N_Defining_Character_Literal =>
1374             Write_Name_With_Col_Check_Sloc (Chars (Node));
1375
1376          when N_Defining_Identifier =>
1377             Set_Debug_Sloc;
1378             Write_Id (Node);
1379
1380          when N_Defining_Operator_Symbol =>
1381             Write_Name_With_Col_Check_Sloc (Chars (Node));
1382
1383          when N_Defining_Program_Unit_Name =>
1384             Set_Debug_Sloc;
1385             Sprint_Node (Name (Node));
1386             Write_Char ('.');
1387             Write_Id (Defining_Identifier (Node));
1388
1389          when N_Delay_Alternative =>
1390             Sprint_Node_List (Pragmas_Before (Node));
1391
1392             if Present (Condition (Node)) then
1393                Write_Indent;
1394                Write_Str_With_Col_Check ("when ");
1395                Sprint_Node (Condition (Node));
1396                Write_Str (" => ");
1397                Indent_Annull;
1398             end if;
1399
1400             Sprint_Node_Sloc (Delay_Statement (Node));
1401             Sprint_Node_List (Statements (Node));
1402
1403          when N_Delay_Relative_Statement =>
1404             Write_Indent_Str_Sloc ("delay ");
1405             Sprint_Node (Expression (Node));
1406             Write_Char (';');
1407
1408          when N_Delay_Until_Statement =>
1409             Write_Indent_Str_Sloc ("delay until ");
1410             Sprint_Node (Expression (Node));
1411             Write_Char (';');
1412
1413          when N_Delta_Constraint =>
1414             Write_Str_With_Col_Check_Sloc ("delta ");
1415             Sprint_Node (Delta_Expression (Node));
1416             Sprint_Opt_Node (Range_Constraint (Node));
1417
1418          when N_Derived_Type_Definition =>
1419             if Abstract_Present (Node) then
1420                Write_Str_With_Col_Check ("abstract ");
1421             end if;
1422
1423             Write_Str_With_Col_Check ("new ");
1424
1425             --  Ada 2005 (AI-231)
1426
1427             if Null_Exclusion_Present (Node) then
1428                Write_Str_With_Col_Check ("not null ");
1429             end if;
1430
1431             Sprint_Node (Subtype_Indication (Node));
1432
1433             if Present (Interface_List (Node)) then
1434                Write_Str_With_Col_Check (" and ");
1435                Sprint_And_List (Interface_List (Node));
1436                Write_Str_With_Col_Check (" with ");
1437             end if;
1438
1439             if Present (Record_Extension_Part (Node)) then
1440                if No (Interface_List (Node)) then
1441                   Write_Str_With_Col_Check (" with ");
1442                end if;
1443
1444                Sprint_Node (Record_Extension_Part (Node));
1445             end if;
1446
1447          when N_Designator =>
1448             Sprint_Node (Name (Node));
1449             Write_Char_Sloc ('.');
1450             Write_Id (Identifier (Node));
1451
1452          when N_Digits_Constraint =>
1453             Write_Str_With_Col_Check_Sloc ("digits ");
1454             Sprint_Node (Digits_Expression (Node));
1455             Sprint_Opt_Node (Range_Constraint (Node));
1456
1457          when N_Discriminant_Association =>
1458             Set_Debug_Sloc;
1459
1460             if Present (Selector_Names (Node)) then
1461                Sprint_Bar_List (Selector_Names (Node));
1462                Write_Str (" => ");
1463             end if;
1464
1465             Set_Debug_Sloc;
1466             Sprint_Node (Expression (Node));
1467
1468          when N_Discriminant_Specification =>
1469             Set_Debug_Sloc;
1470
1471             if Write_Identifiers (Node) then
1472                Write_Str (" : ");
1473
1474                if Null_Exclusion_Present (Node) then
1475                   Write_Str ("not null ");
1476                end if;
1477
1478                Sprint_Node (Discriminant_Type (Node));
1479
1480                if Present (Expression (Node)) then
1481                   Write_Str (" := ");
1482                   Sprint_Node (Expression (Node));
1483                end if;
1484             else
1485                Write_Str (", ");
1486             end if;
1487
1488          when N_Elsif_Part =>
1489             Write_Indent_Str_Sloc ("elsif ");
1490             Sprint_Node (Condition (Node));
1491             Write_Str_With_Col_Check (" then");
1492             Sprint_Indented_List (Then_Statements (Node));
1493
1494          when N_Empty =>
1495             null;
1496
1497          when N_Entry_Body =>
1498             Write_Indent_Str_Sloc ("entry ");
1499             Write_Id (Defining_Identifier (Node));
1500             Sprint_Node (Entry_Body_Formal_Part (Node));
1501             Write_Str_With_Col_Check (" is");
1502             Sprint_Indented_List (Declarations (Node));
1503             Write_Indent_Str ("begin");
1504             Sprint_Node (Handled_Statement_Sequence (Node));
1505             Write_Indent_Str ("end ");
1506             Write_Id (Defining_Identifier (Node));
1507             Write_Char (';');
1508
1509          when N_Entry_Body_Formal_Part =>
1510             if Present (Entry_Index_Specification (Node)) then
1511                Write_Str_With_Col_Check_Sloc (" (");
1512                Sprint_Node (Entry_Index_Specification (Node));
1513                Write_Char (')');
1514             end if;
1515
1516             Write_Param_Specs (Node);
1517             Write_Str_With_Col_Check_Sloc (" when ");
1518             Sprint_Node (Condition (Node));
1519
1520          when N_Entry_Call_Alternative =>
1521             Sprint_Node_List (Pragmas_Before (Node));
1522             Sprint_Node_Sloc (Entry_Call_Statement (Node));
1523             Sprint_Node_List (Statements (Node));
1524
1525          when N_Entry_Call_Statement =>
1526             Write_Indent;
1527             Sprint_Node_Sloc (Name (Node));
1528             Sprint_Opt_Paren_Comma_List (Parameter_Associations (Node));
1529             Write_Char (';');
1530
1531          when N_Entry_Declaration =>
1532             Write_Indent_Str_Sloc ("entry ");
1533             Write_Id (Defining_Identifier (Node));
1534
1535             if Present (Discrete_Subtype_Definition (Node)) then
1536                Write_Str_With_Col_Check (" (");
1537                Sprint_Node (Discrete_Subtype_Definition (Node));
1538                Write_Char (')');
1539             end if;
1540
1541             Write_Param_Specs (Node);
1542             Write_Char (';');
1543
1544          when N_Entry_Index_Specification =>
1545             Write_Str_With_Col_Check_Sloc ("for ");
1546             Write_Id (Defining_Identifier (Node));
1547             Write_Str_With_Col_Check (" in ");
1548             Sprint_Node (Discrete_Subtype_Definition (Node));
1549
1550          when N_Enumeration_Representation_Clause =>
1551             Write_Indent_Str_Sloc ("for ");
1552             Write_Id (Identifier (Node));
1553             Write_Str_With_Col_Check (" use ");
1554             Sprint_Node (Array_Aggregate (Node));
1555             Write_Char (';');
1556
1557          when N_Enumeration_Type_Definition =>
1558             Set_Debug_Sloc;
1559
1560             --  Skip attempt to print Literals field if it's not there and
1561             --  we are in package Standard (case of Character, which is
1562             --  handled specially (without an explicit literals list).
1563
1564             if Sloc (Node) > Standard_Location
1565               or else Present (Literals (Node))
1566             then
1567                Sprint_Paren_Comma_List (Literals (Node));
1568             end if;
1569
1570          when N_Error =>
1571             Write_Str_With_Col_Check_Sloc ("<error>");
1572
1573          when N_Exception_Declaration =>
1574             if Write_Indent_Identifiers (Node) then
1575                Write_Str_With_Col_Check (" : ");
1576
1577                if Is_Statically_Allocated (Defining_Identifier (Node)) then
1578                   Write_Str_With_Col_Check ("static ");
1579                end if;
1580
1581                Write_Str_Sloc ("exception");
1582
1583                if Present (Expression (Node)) then
1584                   Write_Str (" := ");
1585                   Sprint_Node (Expression (Node));
1586                end if;
1587
1588                Write_Char (';');
1589             end if;
1590
1591          when N_Exception_Handler =>
1592             Write_Indent_Str_Sloc ("when ");
1593
1594             if Present (Choice_Parameter (Node)) then
1595                Sprint_Node (Choice_Parameter (Node));
1596                Write_Str (" : ");
1597             end if;
1598
1599             Sprint_Bar_List (Exception_Choices (Node));
1600             Write_Str (" => ");
1601             Sprint_Indented_List (Statements (Node));
1602
1603          when N_Exception_Renaming_Declaration =>
1604             Write_Indent;
1605             Set_Debug_Sloc;
1606             Sprint_Node (Defining_Identifier (Node));
1607             Write_Str_With_Col_Check (" : exception renames ");
1608             Sprint_Node (Name (Node));
1609             Write_Char (';');
1610
1611          when N_Exit_Statement =>
1612             Write_Indent_Str_Sloc ("exit");
1613             Sprint_Opt_Node (Name (Node));
1614
1615             if Present (Condition (Node)) then
1616                Write_Str_With_Col_Check (" when ");
1617                Sprint_Node (Condition (Node));
1618             end if;
1619
1620             Write_Char (';');
1621
1622          when N_Expanded_Name =>
1623             Sprint_Node (Prefix (Node));
1624             Write_Char_Sloc ('.');
1625             Sprint_Node (Selector_Name (Node));
1626
1627          when N_Explicit_Dereference =>
1628             Sprint_Node (Prefix (Node));
1629             Write_Char_Sloc ('.');
1630             Write_Str_Sloc ("all");
1631
1632          when N_Expression_With_Actions =>
1633             Indent_Begin;
1634             Write_Indent_Str_Sloc ("do ");
1635             Indent_Begin;
1636             Sprint_Node_List (Actions (Node));
1637             Indent_End;
1638             Write_Indent;
1639             Write_Str_With_Col_Check_Sloc ("in ");
1640             Sprint_Node (Expression (Node));
1641             Write_Str_With_Col_Check (" end");
1642             Indent_End;
1643             Write_Indent;
1644
1645          when N_Expression_Function =>
1646             Write_Indent;
1647             Sprint_Node_Sloc (Specification (Node));
1648             Write_Str (" is");
1649             Indent_Begin;
1650             Write_Indent;
1651             Sprint_Node (Expression (Node));
1652             Write_Char (';');
1653             Indent_End;
1654
1655          when N_Extended_Return_Statement =>
1656             Write_Indent_Str_Sloc ("return ");
1657             Sprint_Node_List (Return_Object_Declarations (Node));
1658
1659             if Present (Handled_Statement_Sequence (Node)) then
1660                Write_Str_With_Col_Check (" do");
1661                Sprint_Node (Handled_Statement_Sequence (Node));
1662                Write_Indent_Str ("end return;");
1663             else
1664                Write_Indent_Str (";");
1665             end if;
1666
1667          when N_Extension_Aggregate =>
1668             Write_Str_With_Col_Check_Sloc ("(");
1669             Sprint_Node (Ancestor_Part (Node));
1670             Write_Str_With_Col_Check (" with ");
1671
1672             if Null_Record_Present (Node) then
1673                Write_Str_With_Col_Check ("null record");
1674             else
1675                if Present (Expressions (Node)) then
1676                   Sprint_Comma_List (Expressions (Node));
1677
1678                   if Present (Component_Associations (Node)) then
1679                      Write_Str (", ");
1680                   end if;
1681                end if;
1682
1683                if Present (Component_Associations (Node)) then
1684                   Sprint_Comma_List (Component_Associations (Node));
1685                end if;
1686             end if;
1687
1688             Write_Char (')');
1689
1690          when N_Floating_Point_Definition =>
1691             Write_Str_With_Col_Check_Sloc ("digits ");
1692             Sprint_Node (Digits_Expression (Node));
1693             Sprint_Opt_Node (Real_Range_Specification (Node));
1694
1695          when N_Formal_Decimal_Fixed_Point_Definition =>
1696             Write_Str_With_Col_Check_Sloc ("delta <> digits <>");
1697
1698          when N_Formal_Derived_Type_Definition =>
1699             Write_Str_With_Col_Check_Sloc ("new ");
1700             Sprint_Node (Subtype_Mark (Node));
1701
1702             if Present (Interface_List (Node)) then
1703                Write_Str_With_Col_Check (" and ");
1704                Sprint_And_List (Interface_List (Node));
1705             end if;
1706
1707             if Private_Present (Node) then
1708                Write_Str_With_Col_Check (" with private");
1709             end if;
1710
1711          when N_Formal_Abstract_Subprogram_Declaration =>
1712             Write_Indent_Str_Sloc ("with ");
1713             Sprint_Node (Specification (Node));
1714
1715             Write_Str_With_Col_Check (" is abstract");
1716
1717             if Box_Present (Node) then
1718                Write_Str_With_Col_Check (" <>");
1719             elsif Present (Default_Name (Node)) then
1720                Write_Str_With_Col_Check (" ");
1721                Sprint_Node (Default_Name (Node));
1722             end if;
1723
1724             Write_Char (';');
1725
1726          when N_Formal_Concrete_Subprogram_Declaration =>
1727             Write_Indent_Str_Sloc ("with ");
1728             Sprint_Node (Specification (Node));
1729
1730             if Box_Present (Node) then
1731                Write_Str_With_Col_Check (" is <>");
1732             elsif Present (Default_Name (Node)) then
1733                Write_Str_With_Col_Check (" is ");
1734                Sprint_Node (Default_Name (Node));
1735             end if;
1736
1737             Write_Char (';');
1738
1739          when N_Formal_Discrete_Type_Definition =>
1740             Write_Str_With_Col_Check_Sloc ("<>");
1741
1742          when N_Formal_Floating_Point_Definition =>
1743             Write_Str_With_Col_Check_Sloc ("digits <>");
1744
1745          when N_Formal_Modular_Type_Definition =>
1746             Write_Str_With_Col_Check_Sloc ("mod <>");
1747
1748          when N_Formal_Object_Declaration =>
1749             Set_Debug_Sloc;
1750
1751             if Write_Indent_Identifiers (Node) then
1752                Write_Str (" : ");
1753
1754                if In_Present (Node) then
1755                   Write_Str_With_Col_Check ("in ");
1756                end if;
1757
1758                if Out_Present (Node) then
1759                   Write_Str_With_Col_Check ("out ");
1760                end if;
1761
1762                if Present (Subtype_Mark (Node)) then
1763
1764                   --  Ada 2005 (AI-423): Formal object with null exclusion
1765
1766                   if Null_Exclusion_Present (Node) then
1767                      Write_Str ("not null ");
1768                   end if;
1769
1770                   Sprint_Node (Subtype_Mark (Node));
1771
1772                --  Ada 2005 (AI-423): Formal object with access definition
1773
1774                else
1775                   pragma Assert (Present (Access_Definition (Node)));
1776
1777                   Sprint_Node (Access_Definition (Node));
1778                end if;
1779
1780                if Present (Default_Expression (Node)) then
1781                   Write_Str (" := ");
1782                   Sprint_Node (Default_Expression (Node));
1783                end if;
1784
1785                Write_Char (';');
1786             end if;
1787
1788          when N_Formal_Ordinary_Fixed_Point_Definition =>
1789             Write_Str_With_Col_Check_Sloc ("delta <>");
1790
1791          when N_Formal_Package_Declaration =>
1792             Write_Indent_Str_Sloc ("with package ");
1793             Write_Id (Defining_Identifier (Node));
1794             Write_Str_With_Col_Check (" is new ");
1795             Sprint_Node (Name (Node));
1796             Write_Str_With_Col_Check (" (<>);");
1797
1798          when N_Formal_Private_Type_Definition =>
1799             if Abstract_Present (Node) then
1800                Write_Str_With_Col_Check ("abstract ");
1801             end if;
1802
1803             if Tagged_Present (Node) then
1804                Write_Str_With_Col_Check ("tagged ");
1805             end if;
1806
1807             if Limited_Present (Node) then
1808                Write_Str_With_Col_Check ("limited ");
1809             end if;
1810
1811             Write_Str_With_Col_Check_Sloc ("private");
1812
1813          when N_Formal_Incomplete_Type_Definition =>
1814             if Tagged_Present (Node) then
1815                Write_Str_With_Col_Check ("is tagged ");
1816             end if;
1817
1818          when N_Formal_Signed_Integer_Type_Definition =>
1819             Write_Str_With_Col_Check_Sloc ("range <>");
1820
1821          when N_Formal_Type_Declaration =>
1822             Write_Indent_Str_Sloc ("type ");
1823             Write_Id (Defining_Identifier (Node));
1824
1825             if Present (Discriminant_Specifications (Node)) then
1826                Write_Discr_Specs (Node);
1827             elsif Unknown_Discriminants_Present (Node) then
1828                Write_Str_With_Col_Check ("(<>)");
1829             end if;
1830
1831             if Nkind (Formal_Type_Definition (Node)) /=
1832                 N_Formal_Incomplete_Type_Definition
1833             then
1834                Write_Str_With_Col_Check (" is ");
1835             end if;
1836
1837             Sprint_Node (Formal_Type_Definition (Node));
1838             Write_Char (';');
1839
1840          when N_Free_Statement =>
1841             Write_Indent_Str_Sloc ("free ");
1842             Sprint_Node (Expression (Node));
1843             Write_Char (';');
1844
1845          when N_Freeze_Entity =>
1846             if Dump_Original_Only then
1847                null;
1848
1849             --  A freeze node is output if it has some effect (i.e. non-empty
1850             --  actions, or freeze node for an itype, which causes elaboration
1851             --  of the itype), and is also always output if Dump_Freeze_Null
1852             --  is set True.
1853
1854             elsif Present (Actions (Node))
1855               or else Is_Itype (Entity (Node))
1856               or else Dump_Freeze_Null
1857             then
1858                Write_Indent;
1859                Write_Rewrite_Str ("<<<");
1860                Write_Str_With_Col_Check_Sloc ("freeze ");
1861                Write_Id (Entity (Node));
1862                Write_Str (" [");
1863
1864                if No (Actions (Node)) then
1865                   Write_Char (']');
1866
1867                else
1868                   --  Output freeze actions. We increment Freeze_Indent during
1869                   --  this output to avoid generating extra blank lines before
1870                   --  any procedures included in the freeze actions.
1871
1872                   Freeze_Indent := Freeze_Indent + 1;
1873                   Sprint_Indented_List (Actions (Node));
1874                   Freeze_Indent := Freeze_Indent - 1;
1875                   Write_Indent_Str ("]");
1876                end if;
1877
1878                Write_Rewrite_Str (">>>");
1879             end if;
1880
1881          when N_Freeze_Generic_Entity =>
1882             if Dump_Original_Only then
1883                null;
1884
1885             else
1886                Write_Indent;
1887                Write_Str_With_Col_Check_Sloc ("freeze_generic ");
1888                Write_Id (Entity (Node));
1889             end if;
1890
1891          when N_Full_Type_Declaration =>
1892             Write_Indent_Str_Sloc ("type ");
1893             Sprint_Node (Defining_Identifier (Node));
1894             Write_Discr_Specs (Node);
1895             Write_Str_With_Col_Check (" is ");
1896             Sprint_Node (Type_Definition (Node));
1897             Write_Char (';');
1898
1899          when N_Function_Call =>
1900             Set_Debug_Sloc;
1901             Write_Subprogram_Name (Name (Node));
1902             Sprint_Opt_Paren_Comma_List (Parameter_Associations (Node));
1903
1904          when N_Function_Instantiation =>
1905             Write_Indent_Str_Sloc ("function ");
1906             Sprint_Node (Defining_Unit_Name (Node));
1907             Write_Str_With_Col_Check (" is new ");
1908             Sprint_Node (Name (Node));
1909             Sprint_Opt_Paren_Comma_List (Generic_Associations (Node));
1910             Write_Char (';');
1911
1912          when N_Function_Specification =>
1913             Write_Str_With_Col_Check_Sloc ("function ");
1914             Sprint_Node (Defining_Unit_Name (Node));
1915             Write_Param_Specs (Node);
1916             Write_Str_With_Col_Check (" return ");
1917
1918             --  Ada 2005 (AI-231)
1919
1920             if Nkind (Result_Definition (Node)) /= N_Access_Definition
1921               and then Null_Exclusion_Present (Node)
1922             then
1923                Write_Str (" not null ");
1924             end if;
1925
1926             Sprint_Node (Result_Definition (Node));
1927
1928          when N_Generic_Association =>
1929             Set_Debug_Sloc;
1930
1931             if Present (Selector_Name (Node)) then
1932                Sprint_Node (Selector_Name (Node));
1933                Write_Str (" => ");
1934             end if;
1935
1936             Sprint_Node (Explicit_Generic_Actual_Parameter (Node));
1937
1938          when N_Generic_Function_Renaming_Declaration =>
1939             Write_Indent_Str_Sloc ("generic function ");
1940             Sprint_Node (Defining_Unit_Name (Node));
1941             Write_Str_With_Col_Check (" renames ");
1942             Sprint_Node (Name (Node));
1943             Write_Char (';');
1944
1945          when N_Generic_Package_Declaration =>
1946             Extra_Blank_Line;
1947             Write_Indent_Str_Sloc ("generic ");
1948             Sprint_Indented_List (Generic_Formal_Declarations (Node));
1949             Write_Indent;
1950             Sprint_Node (Specification (Node));
1951             Write_Char (';');
1952
1953          when N_Generic_Package_Renaming_Declaration =>
1954             Write_Indent_Str_Sloc ("generic package ");
1955             Sprint_Node (Defining_Unit_Name (Node));
1956             Write_Str_With_Col_Check (" renames ");
1957             Sprint_Node (Name (Node));
1958             Write_Char (';');
1959
1960          when N_Generic_Procedure_Renaming_Declaration =>
1961             Write_Indent_Str_Sloc ("generic procedure ");
1962             Sprint_Node (Defining_Unit_Name (Node));
1963             Write_Str_With_Col_Check (" renames ");
1964             Sprint_Node (Name (Node));
1965             Write_Char (';');
1966
1967          when N_Generic_Subprogram_Declaration =>
1968             Extra_Blank_Line;
1969             Write_Indent_Str_Sloc ("generic ");
1970             Sprint_Indented_List (Generic_Formal_Declarations (Node));
1971             Write_Indent;
1972             Sprint_Node (Specification (Node));
1973             Write_Char (';');
1974
1975          when N_Goto_Statement =>
1976             Write_Indent_Str_Sloc ("goto ");
1977             Sprint_Node (Name (Node));
1978             Write_Char (';');
1979
1980             if Nkind (Next (Node)) = N_Label then
1981                Write_Indent;
1982             end if;
1983
1984          when N_Handled_Sequence_Of_Statements =>
1985             Set_Debug_Sloc;
1986             Sprint_Indented_List (Statements (Node));
1987
1988             if Present (Exception_Handlers (Node)) then
1989                Write_Indent_Str ("exception");
1990                Indent_Begin;
1991                Sprint_Node_List (Exception_Handlers (Node));
1992                Indent_End;
1993             end if;
1994
1995             if Present (At_End_Proc (Node)) then
1996                Write_Indent_Str ("at end");
1997                Indent_Begin;
1998                Write_Indent;
1999                Sprint_Node (At_End_Proc (Node));
2000                Write_Char (';');
2001                Indent_End;
2002             end if;
2003
2004          when N_Identifier =>
2005             Set_Debug_Sloc;
2006             Write_Id (Node);
2007
2008          when N_If_Expression =>
2009             declare
2010                Has_Parens : constant Boolean := Paren_Count (Node) > 0;
2011                Condition  : constant Node_Id := First (Expressions (Node));
2012                Then_Expr  : constant Node_Id := Next (Condition);
2013
2014             begin
2015                --  The syntax for if_expression does not include parentheses,
2016                --  but sometimes parentheses are required, so unconditionally
2017                --  generate them here unless already present.
2018
2019                if not Has_Parens then
2020                   Write_Char ('(');
2021                end if;
2022
2023                Write_Str_With_Col_Check_Sloc ("if ");
2024                Sprint_Node (Condition);
2025                Write_Str_With_Col_Check (" then ");
2026
2027                --  Defense against junk here
2028
2029                if Present (Then_Expr) then
2030                   Sprint_Node (Then_Expr);
2031
2032                   if Present (Next (Then_Expr)) then
2033                      Write_Str_With_Col_Check (" else ");
2034                      Sprint_Node (Next (Then_Expr));
2035                   end if;
2036                end if;
2037
2038                if not Has_Parens then
2039                   Write_Char (')');
2040                end if;
2041             end;
2042
2043          when N_If_Statement =>
2044             Write_Indent_Str_Sloc ("if ");
2045             Sprint_Node (Condition (Node));
2046             Write_Str_With_Col_Check (" then");
2047             Sprint_Indented_List (Then_Statements (Node));
2048             Sprint_Opt_Node_List (Elsif_Parts (Node));
2049
2050             if Present (Else_Statements (Node)) then
2051                Write_Indent_Str ("else");
2052                Sprint_Indented_List (Else_Statements (Node));
2053             end if;
2054
2055             Write_Indent_Str ("end if;");
2056
2057          when N_Implicit_Label_Declaration =>
2058             if not Dump_Original_Only then
2059                Write_Indent;
2060                Write_Rewrite_Str ("<<<");
2061                Set_Debug_Sloc;
2062                Write_Id (Defining_Identifier (Node));
2063                Write_Str (" : ");
2064                Write_Str_With_Col_Check ("label");
2065                Write_Rewrite_Str (">>>");
2066             end if;
2067
2068          when N_In =>
2069             Sprint_Left_Opnd (Node);
2070             Write_Str_Sloc (" in ");
2071
2072             if Present (Right_Opnd (Node)) then
2073                Sprint_Right_Opnd (Node);
2074             else
2075                Sprint_Bar_List (Alternatives (Node));
2076             end if;
2077
2078          when N_Incomplete_Type_Declaration =>
2079             Write_Indent_Str_Sloc ("type ");
2080             Write_Id (Defining_Identifier (Node));
2081
2082             if Present (Discriminant_Specifications (Node)) then
2083                Write_Discr_Specs (Node);
2084             elsif Unknown_Discriminants_Present (Node) then
2085                Write_Str_With_Col_Check ("(<>)");
2086             end if;
2087
2088             Write_Char (';');
2089
2090          when N_Index_Or_Discriminant_Constraint =>
2091             Set_Debug_Sloc;
2092             Sprint_Paren_Comma_List (Constraints (Node));
2093
2094          when N_Indexed_Component =>
2095             Sprint_Node_Sloc (Prefix (Node));
2096             Sprint_Opt_Paren_Comma_List (Expressions (Node));
2097
2098          when N_Integer_Literal =>
2099             if Print_In_Hex (Node) then
2100                Write_Uint_With_Col_Check_Sloc (Intval (Node), Hex);
2101             else
2102                Write_Uint_With_Col_Check_Sloc (Intval (Node), Auto);
2103             end if;
2104
2105          when N_Iteration_Scheme =>
2106             if Present (Condition (Node)) then
2107                Write_Str_With_Col_Check_Sloc ("while ");
2108                Sprint_Node (Condition (Node));
2109             else
2110                Write_Str_With_Col_Check_Sloc ("for ");
2111
2112                if Present (Iterator_Specification (Node)) then
2113                   Sprint_Node (Iterator_Specification (Node));
2114                else
2115                   Sprint_Node (Loop_Parameter_Specification (Node));
2116                end if;
2117             end if;
2118
2119             Write_Char (' ');
2120
2121          when N_Iterator_Specification =>
2122             Set_Debug_Sloc;
2123             Write_Id (Defining_Identifier (Node));
2124
2125             if Present (Subtype_Indication (Node)) then
2126                Write_Str_With_Col_Check (" : ");
2127                Sprint_Node (Subtype_Indication (Node));
2128             end if;
2129
2130             if Of_Present (Node) then
2131                Write_Str_With_Col_Check (" of ");
2132             else
2133                Write_Str_With_Col_Check (" in ");
2134             end if;
2135
2136             if Reverse_Present (Node) then
2137                Write_Str_With_Col_Check ("reverse ");
2138             end if;
2139
2140             Sprint_Node (Name (Node));
2141
2142          when N_Itype_Reference =>
2143             Write_Indent_Str_Sloc ("reference ");
2144             Write_Id (Itype (Node));
2145
2146          when N_Label =>
2147             Write_Indent_Str_Sloc ("<<");
2148             Write_Id (Identifier (Node));
2149             Write_Str (">>");
2150
2151          when N_Loop_Parameter_Specification =>
2152             Set_Debug_Sloc;
2153             Write_Id (Defining_Identifier (Node));
2154             Write_Str_With_Col_Check (" in ");
2155
2156             if Reverse_Present (Node) then
2157                Write_Str_With_Col_Check ("reverse ");
2158             end if;
2159
2160             Sprint_Node (Discrete_Subtype_Definition (Node));
2161
2162          when N_Loop_Statement =>
2163             Write_Indent;
2164
2165             if Present (Identifier (Node))
2166               and then (not Has_Created_Identifier (Node)
2167                           or else not Dump_Original_Only)
2168             then
2169                Write_Rewrite_Str ("<<<");
2170                Write_Id (Identifier (Node));
2171                Write_Str (" : ");
2172                Write_Rewrite_Str (">>>");
2173                Sprint_Node (Iteration_Scheme (Node));
2174                Write_Str_With_Col_Check_Sloc ("loop");
2175                Sprint_Indented_List (Statements (Node));
2176                Write_Indent_Str ("end loop ");
2177                Write_Rewrite_Str ("<<<");
2178                Write_Id (Identifier (Node));
2179                Write_Rewrite_Str (">>>");
2180                Write_Char (';');
2181
2182             else
2183                Sprint_Node (Iteration_Scheme (Node));
2184                Write_Str_With_Col_Check_Sloc ("loop");
2185                Sprint_Indented_List (Statements (Node));
2186                Write_Indent_Str ("end loop;");
2187             end if;
2188
2189          when N_Mod_Clause =>
2190             Sprint_Node_List (Pragmas_Before (Node));
2191             Write_Str_With_Col_Check_Sloc ("at mod ");
2192             Sprint_Node (Expression (Node));
2193
2194          when N_Modular_Type_Definition =>
2195             Write_Str_With_Col_Check_Sloc ("mod ");
2196             Sprint_Node (Expression (Node));
2197
2198          when N_Not_In =>
2199             Sprint_Left_Opnd (Node);
2200             Write_Str_Sloc (" not in ");
2201
2202             if Present (Right_Opnd (Node)) then
2203                Sprint_Right_Opnd (Node);
2204             else
2205                Sprint_Bar_List (Alternatives (Node));
2206             end if;
2207
2208          when N_Null =>
2209             Write_Str_With_Col_Check_Sloc ("null");
2210
2211          when N_Null_Statement =>
2212             if Comes_From_Source (Node)
2213               or else Dump_Freeze_Null
2214               or else not Is_List_Member (Node)
2215               or else (No (Prev (Node)) and then No (Next (Node)))
2216             then
2217                Write_Indent_Str_Sloc ("null;");
2218             end if;
2219
2220          when N_Number_Declaration =>
2221             Set_Debug_Sloc;
2222
2223             if Write_Indent_Identifiers (Node) then
2224                Write_Str_With_Col_Check (" : constant ");
2225                Write_Str (" := ");
2226                Sprint_Node (Expression (Node));
2227                Write_Char (';');
2228             end if;
2229
2230          when N_Object_Declaration =>
2231             Set_Debug_Sloc;
2232
2233             if Write_Indent_Identifiers (Node) then
2234                declare
2235                   Def_Id : constant Entity_Id := Defining_Identifier (Node);
2236
2237                begin
2238                   Write_Str_With_Col_Check (" : ");
2239
2240                   if Is_Statically_Allocated (Def_Id) then
2241                      Write_Str_With_Col_Check ("static ");
2242                   end if;
2243
2244                   if Aliased_Present (Node) then
2245                      Write_Str_With_Col_Check ("aliased ");
2246                   end if;
2247
2248                   if Constant_Present (Node) then
2249                      Write_Str_With_Col_Check ("constant ");
2250                   end if;
2251
2252                   --  Ada 2005 (AI-231)
2253
2254                   if Null_Exclusion_Present (Node) then
2255                      Write_Str_With_Col_Check ("not null ");
2256                   end if;
2257
2258                   --  Print type. We used to print the Object_Definition from
2259                   --  the node, but it is much more useful to print the Etype
2260                   --  of the defining identifier for the case where the nominal
2261                   --  type is an unconstrained array type. For example, this
2262                   --  will be a clear reference to the Itype with the bounds
2263                   --  in the case of a type like String. The object after
2264                   --  all is constrained, even if its nominal subtype is
2265                   --  unconstrained.
2266
2267                   declare
2268                      Odef : constant Node_Id := Object_Definition (Node);
2269
2270                   begin
2271                      if Nkind (Odef) = N_Identifier
2272                        and then Present (Etype (Odef))
2273                        and then Is_Array_Type (Etype (Odef))
2274                        and then not Is_Constrained (Etype (Odef))
2275                        and then Present (Etype (Def_Id))
2276                      then
2277                         Sprint_Node (Etype (Def_Id));
2278
2279                      --  In other cases, the nominal type is fine to print
2280
2281                      else
2282                         Sprint_Node (Odef);
2283                      end if;
2284                   end;
2285
2286                   if Present (Expression (Node)) then
2287                      Write_Str (" := ");
2288                      Sprint_Node (Expression (Node));
2289                   end if;
2290
2291                   Write_Char (';');
2292
2293                   --  Handle implicit importation and implicit exportation of
2294                   --  object declarations:
2295                   --    $pragma import (Convention_Id, Def_Id, "...");
2296                   --    $pragma export (Convention_Id, Def_Id, "...");
2297
2298                   if Is_Internal (Def_Id)
2299                     and then Present (Interface_Name (Def_Id))
2300                   then
2301                      Write_Indent_Str_Sloc ("$pragma ");
2302
2303                      if Is_Imported (Def_Id) then
2304                         Write_Str ("import (");
2305
2306                      else pragma Assert (Is_Exported (Def_Id));
2307                         Write_Str ("export (");
2308                      end if;
2309
2310                      declare
2311                         Prefix : constant String  := "Convention_";
2312                         S      : constant String  := Convention (Def_Id)'Img;
2313
2314                      begin
2315                         Name_Len := S'Last - Prefix'Last;
2316                         Name_Buffer (1 .. Name_Len) :=
2317                           S (Prefix'Last + 1 .. S'Last);
2318                         Set_Casing (All_Lower_Case);
2319                         Write_Str (Name_Buffer (1 .. Name_Len));
2320                      end;
2321
2322                      Write_Str (", ");
2323                      Write_Id  (Def_Id);
2324                      Write_Str (", ");
2325                      Write_String_Table_Entry
2326                        (Strval (Interface_Name (Def_Id)));
2327                      Write_Str (");");
2328                   end if;
2329                end;
2330             end if;
2331
2332          when N_Object_Renaming_Declaration =>
2333             Write_Indent;
2334             Set_Debug_Sloc;
2335             Sprint_Node (Defining_Identifier (Node));
2336             Write_Str (" : ");
2337
2338             --  Ada 2005 (AI-230): Access renamings
2339
2340             if Present (Access_Definition (Node)) then
2341                Sprint_Node (Access_Definition (Node));
2342
2343             elsif Present (Subtype_Mark (Node)) then
2344
2345                --  Ada 2005 (AI-423): Object renaming with a null exclusion
2346
2347                if Null_Exclusion_Present (Node) then
2348                   Write_Str ("not null ");
2349                end if;
2350
2351                Sprint_Node (Subtype_Mark (Node));
2352
2353             else
2354                Write_Str (" ??? ");
2355             end if;
2356
2357             Write_Str_With_Col_Check (" renames ");
2358             Sprint_Node (Name (Node));
2359             Write_Char (';');
2360
2361          when N_Op_Abs =>
2362             Write_Operator (Node, "abs ");
2363             Sprint_Right_Opnd (Node);
2364
2365          when N_Op_Add =>
2366             Sprint_Left_Opnd (Node);
2367             Write_Operator (Node, " + ");
2368             Sprint_Right_Opnd (Node);
2369
2370          when N_Op_And =>
2371             Sprint_Left_Opnd (Node);
2372             Write_Operator (Node, " and ");
2373             Sprint_Right_Opnd (Node);
2374
2375          when N_Op_Concat =>
2376             Sprint_Left_Opnd (Node);
2377             Write_Operator (Node, " & ");
2378             Sprint_Right_Opnd (Node);
2379
2380          when N_Op_Divide =>
2381             Sprint_Left_Opnd (Node);
2382             Write_Char (' ');
2383             Process_TFAI_RR_Flags (Node);
2384             Write_Operator (Node, "/ ");
2385             Sprint_Right_Opnd (Node);
2386
2387          when N_Op_Eq =>
2388             Sprint_Left_Opnd (Node);
2389             Write_Operator (Node, " = ");
2390             Sprint_Right_Opnd (Node);
2391
2392          when N_Op_Expon =>
2393             Sprint_Left_Opnd (Node);
2394             Write_Operator (Node, " ** ");
2395             Sprint_Right_Opnd (Node);
2396
2397          when N_Op_Ge =>
2398             Sprint_Left_Opnd (Node);
2399             Write_Operator (Node, " >= ");
2400             Sprint_Right_Opnd (Node);
2401
2402          when N_Op_Gt =>
2403             Sprint_Left_Opnd (Node);
2404             Write_Operator (Node, " > ");
2405             Sprint_Right_Opnd (Node);
2406
2407          when N_Op_Le =>
2408             Sprint_Left_Opnd (Node);
2409             Write_Operator (Node, " <= ");
2410             Sprint_Right_Opnd (Node);
2411
2412          when N_Op_Lt =>
2413             Sprint_Left_Opnd (Node);
2414             Write_Operator (Node, " < ");
2415             Sprint_Right_Opnd (Node);
2416
2417          when N_Op_Minus =>
2418             Write_Operator (Node, "-");
2419             Sprint_Right_Opnd (Node);
2420
2421          when N_Op_Mod =>
2422             Sprint_Left_Opnd (Node);
2423
2424             if Treat_Fixed_As_Integer (Node) then
2425                Write_Str (" #");
2426             end if;
2427
2428             Write_Operator (Node, " mod ");
2429             Sprint_Right_Opnd (Node);
2430
2431          when N_Op_Multiply =>
2432             Sprint_Left_Opnd (Node);
2433             Write_Char (' ');
2434             Process_TFAI_RR_Flags (Node);
2435             Write_Operator (Node, "* ");
2436             Sprint_Right_Opnd (Node);
2437
2438          when N_Op_Ne =>
2439             Sprint_Left_Opnd (Node);
2440             Write_Operator (Node, " /= ");
2441             Sprint_Right_Opnd (Node);
2442
2443          when N_Op_Not =>
2444             Write_Operator (Node, "not ");
2445             Sprint_Right_Opnd (Node);
2446
2447          when N_Op_Or =>
2448             Sprint_Left_Opnd (Node);
2449             Write_Operator (Node, " or ");
2450             Sprint_Right_Opnd (Node);
2451
2452          when N_Op_Plus =>
2453             Write_Operator (Node, "+");
2454             Sprint_Right_Opnd (Node);
2455
2456          when N_Op_Rem =>
2457             Sprint_Left_Opnd (Node);
2458
2459             if Treat_Fixed_As_Integer (Node) then
2460                Write_Str (" #");
2461             end if;
2462
2463             Write_Operator (Node, " rem ");
2464             Sprint_Right_Opnd (Node);
2465
2466          when N_Op_Shift =>
2467             Set_Debug_Sloc;
2468             Write_Id (Node);
2469             Write_Char ('!');
2470             Write_Str_With_Col_Check ("(");
2471             Sprint_Node (Left_Opnd (Node));
2472             Write_Str (", ");
2473             Sprint_Node (Right_Opnd (Node));
2474             Write_Char (')');
2475
2476          when N_Op_Subtract =>
2477             Sprint_Left_Opnd (Node);
2478             Write_Operator (Node, " - ");
2479             Sprint_Right_Opnd (Node);
2480
2481          when N_Op_Xor =>
2482             Sprint_Left_Opnd (Node);
2483             Write_Operator (Node, " xor ");
2484             Sprint_Right_Opnd (Node);
2485
2486          when N_Operator_Symbol =>
2487             Write_Name_With_Col_Check_Sloc (Chars (Node));
2488
2489          when N_Ordinary_Fixed_Point_Definition =>
2490             Write_Str_With_Col_Check_Sloc ("delta ");
2491             Sprint_Node (Delta_Expression (Node));
2492             Sprint_Opt_Node (Real_Range_Specification (Node));
2493
2494          when N_Or_Else =>
2495             Sprint_Left_Opnd (Node);
2496             Write_Str_Sloc (" or else ");
2497             Sprint_Right_Opnd (Node);
2498
2499          when N_Others_Choice =>
2500             if All_Others (Node) then
2501                Write_Str_With_Col_Check ("all ");
2502             end if;
2503
2504             Write_Str_With_Col_Check_Sloc ("others");
2505
2506          when N_Package_Body =>
2507             Extra_Blank_Line;
2508             Write_Indent_Str_Sloc ("package body ");
2509             Sprint_Node (Defining_Unit_Name (Node));
2510             Write_Str (" is");
2511             Sprint_Indented_List (Declarations (Node));
2512
2513             if Present (Handled_Statement_Sequence (Node)) then
2514                Write_Indent_Str ("begin");
2515                Sprint_Node (Handled_Statement_Sequence (Node));
2516             end if;
2517
2518             Write_Indent_Str ("end ");
2519             Sprint_End_Label
2520               (Handled_Statement_Sequence (Node), Defining_Unit_Name (Node));
2521             Write_Char (';');
2522
2523          when N_Package_Body_Stub =>
2524             Write_Indent_Str_Sloc ("package body ");
2525             Sprint_Node (Defining_Identifier (Node));
2526             Write_Str_With_Col_Check (" is separate;");
2527
2528          when N_Package_Declaration =>
2529             Extra_Blank_Line;
2530             Write_Indent;
2531             Sprint_Node_Sloc (Specification (Node));
2532             Write_Char (';');
2533
2534             --  If this is an instantiation, get the aspects from the original
2535             --  instantiation node.
2536
2537             if Is_Generic_Instance (Defining_Entity (Node))
2538               and then Has_Aspects
2539                          (Package_Instantiation (Defining_Entity (Node)))
2540             then
2541                Sprint_Aspect_Specifications
2542                  (Package_Instantiation (Defining_Entity (Node)),
2543                    Semicolon => True);
2544             end if;
2545
2546          when N_Package_Instantiation =>
2547             Extra_Blank_Line;
2548             Write_Indent_Str_Sloc ("package ");
2549             Sprint_Node (Defining_Unit_Name (Node));
2550             Write_Str (" is new ");
2551             Sprint_Node (Name (Node));
2552             Sprint_Opt_Paren_Comma_List (Generic_Associations (Node));
2553             Write_Char (';');
2554
2555          when N_Package_Renaming_Declaration =>
2556             Write_Indent_Str_Sloc ("package ");
2557             Sprint_Node (Defining_Unit_Name (Node));
2558             Write_Str_With_Col_Check (" renames ");
2559             Sprint_Node (Name (Node));
2560             Write_Char (';');
2561
2562          when N_Package_Specification =>
2563             Write_Str_With_Col_Check_Sloc ("package ");
2564             Sprint_Node (Defining_Unit_Name (Node));
2565
2566             if Nkind (Parent (Node)) = N_Generic_Package_Declaration
2567               and then Has_Aspects (Parent (Node))
2568             then
2569                Sprint_Aspect_Specifications
2570                  (Parent (Node), Semicolon => False);
2571
2572             --  An instantiation is rewritten as a package declaration, but
2573             --  the aspects belong to the instantiation node.
2574
2575             elsif Nkind (Parent (Node)) = N_Package_Declaration then
2576                declare
2577                   Pack : constant Entity_Id := Defining_Entity (Node);
2578
2579                begin
2580                   if not Is_Generic_Instance (Pack) then
2581                      if Has_Aspects (Parent (Node)) then
2582                         Sprint_Aspect_Specifications
2583                           (Parent (Node), Semicolon => False);
2584                      end if;
2585                   end if;
2586                end;
2587             end if;
2588
2589             Write_Str (" is");
2590             Sprint_Indented_List (Visible_Declarations (Node));
2591
2592             if Present (Private_Declarations (Node)) then
2593                Write_Indent_Str ("private");
2594                Sprint_Indented_List (Private_Declarations (Node));
2595             end if;
2596
2597             Write_Indent_Str ("end ");
2598             Sprint_Node (Defining_Unit_Name (Node));
2599
2600          when N_Parameter_Association =>
2601             Sprint_Node_Sloc (Selector_Name (Node));
2602             Write_Str (" => ");
2603             Sprint_Node (Explicit_Actual_Parameter (Node));
2604
2605          when N_Parameter_Specification =>
2606             Set_Debug_Sloc;
2607
2608             if Write_Identifiers (Node) then
2609                Write_Str (" : ");
2610
2611                if In_Present (Node) then
2612                   Write_Str_With_Col_Check ("in ");
2613                end if;
2614
2615                if Out_Present (Node) then
2616                   Write_Str_With_Col_Check ("out ");
2617                end if;
2618
2619                --  Ada 2005 (AI-231): Parameter specification may carry null
2620                --  exclusion. Do not print it now if this is an access formal,
2621                --  it is emitted when the access definition is displayed.
2622
2623                if Null_Exclusion_Present (Node)
2624                  and then Nkind (Parameter_Type (Node))
2625                    /= N_Access_Definition
2626                then
2627                   Write_Str ("not null ");
2628                end if;
2629
2630                Sprint_Node (Parameter_Type (Node));
2631
2632                if Present (Expression (Node)) then
2633                   Write_Str (" := ");
2634                   Sprint_Node (Expression (Node));
2635                end if;
2636             else
2637                Write_Str (", ");
2638             end if;
2639
2640          when N_Pop_Constraint_Error_Label =>
2641             Write_Indent_Str ("%pop_constraint_error_label");
2642
2643          when N_Pop_Program_Error_Label =>
2644             Write_Indent_Str ("%pop_program_error_label");
2645
2646          when N_Pop_Storage_Error_Label =>
2647             Write_Indent_Str ("%pop_storage_error_label");
2648
2649          when N_Private_Extension_Declaration =>
2650             Write_Indent_Str_Sloc ("type ");
2651             Write_Id (Defining_Identifier (Node));
2652
2653             if Present (Discriminant_Specifications (Node)) then
2654                Write_Discr_Specs (Node);
2655             elsif Unknown_Discriminants_Present (Node) then
2656                Write_Str_With_Col_Check ("(<>)");
2657             end if;
2658
2659             Write_Str_With_Col_Check (" is new ");
2660             Sprint_Node (Subtype_Indication (Node));
2661
2662             if Present (Interface_List (Node)) then
2663                Write_Str_With_Col_Check (" and ");
2664                Sprint_And_List (Interface_List (Node));
2665             end if;
2666
2667             Write_Str_With_Col_Check (" with private;");
2668
2669          when N_Private_Type_Declaration =>
2670             Write_Indent_Str_Sloc ("type ");
2671             Write_Id (Defining_Identifier (Node));
2672
2673             if Present (Discriminant_Specifications (Node)) then
2674                Write_Discr_Specs (Node);
2675             elsif Unknown_Discriminants_Present (Node) then
2676                Write_Str_With_Col_Check ("(<>)");
2677             end if;
2678
2679             Write_Str (" is ");
2680
2681             if Tagged_Present (Node) then
2682                Write_Str_With_Col_Check ("tagged ");
2683             end if;
2684
2685             if Limited_Present (Node) then
2686                Write_Str_With_Col_Check ("limited ");
2687             end if;
2688
2689             Write_Str_With_Col_Check ("private;");
2690
2691          when N_Push_Constraint_Error_Label =>
2692             Write_Indent_Str ("%push_constraint_error_label (");
2693
2694             if Present (Exception_Label (Node)) then
2695                Write_Name_With_Col_Check (Chars (Exception_Label (Node)));
2696             end if;
2697
2698             Write_Str (")");
2699
2700          when N_Push_Program_Error_Label =>
2701             Write_Indent_Str ("%push_program_error_label (");
2702
2703             if Present (Exception_Label (Node)) then
2704                Write_Name_With_Col_Check (Chars (Exception_Label (Node)));
2705             end if;
2706
2707             Write_Str (")");
2708
2709          when N_Push_Storage_Error_Label =>
2710             Write_Indent_Str ("%push_storage_error_label (");
2711
2712             if Present (Exception_Label (Node)) then
2713                Write_Name_With_Col_Check (Chars (Exception_Label (Node)));
2714             end if;
2715
2716             Write_Str (")");
2717
2718          when N_Pragma =>
2719             Write_Indent_Str_Sloc ("pragma ");
2720             Write_Name_With_Col_Check (Pragma_Name (Node));
2721
2722             if Present (Pragma_Argument_Associations (Node)) then
2723                Sprint_Opt_Paren_Comma_List
2724                  (Pragma_Argument_Associations (Node));
2725             end if;
2726
2727             Write_Char (';');
2728
2729          when N_Pragma_Argument_Association =>
2730             Set_Debug_Sloc;
2731
2732             if Chars (Node) /= No_Name then
2733                Write_Name_With_Col_Check (Chars (Node));
2734                Write_Str (" => ");
2735             end if;
2736
2737             Sprint_Node (Expression (Node));
2738
2739          when N_Procedure_Call_Statement =>
2740             Write_Indent;
2741             Set_Debug_Sloc;
2742             Write_Subprogram_Name (Name (Node));
2743             Sprint_Opt_Paren_Comma_List (Parameter_Associations (Node));
2744             Write_Char (';');
2745
2746          when N_Procedure_Instantiation =>
2747             Write_Indent_Str_Sloc ("procedure ");
2748             Sprint_Node (Defining_Unit_Name (Node));
2749             Write_Str_With_Col_Check (" is new ");
2750             Sprint_Node (Name (Node));
2751             Sprint_Opt_Paren_Comma_List (Generic_Associations (Node));
2752             Write_Char (';');
2753
2754          when N_Procedure_Specification =>
2755             Write_Str_With_Col_Check_Sloc ("procedure ");
2756             Sprint_Node (Defining_Unit_Name (Node));
2757             Write_Param_Specs (Node);
2758
2759          when N_Protected_Body =>
2760             Write_Indent_Str_Sloc ("protected body ");
2761             Write_Id (Defining_Identifier (Node));
2762             Write_Str (" is");
2763             Sprint_Indented_List (Declarations (Node));
2764             Write_Indent_Str ("end ");
2765             Write_Id (Defining_Identifier (Node));
2766             Write_Char (';');
2767
2768          when N_Protected_Body_Stub =>
2769             Write_Indent_Str_Sloc ("protected body ");
2770             Write_Id (Defining_Identifier (Node));
2771             Write_Str_With_Col_Check (" is separate;");
2772
2773          when N_Protected_Definition =>
2774             Set_Debug_Sloc;
2775             Sprint_Indented_List (Visible_Declarations (Node));
2776
2777             if Present (Private_Declarations (Node)) then
2778                Write_Indent_Str ("private");
2779                Sprint_Indented_List (Private_Declarations (Node));
2780             end if;
2781
2782             Write_Indent_Str ("end ");
2783
2784          when N_Protected_Type_Declaration =>
2785             Write_Indent_Str_Sloc ("protected type ");
2786             Sprint_Node (Defining_Identifier (Node));
2787             Write_Discr_Specs (Node);
2788
2789             if Present (Interface_List (Node)) then
2790                Write_Str (" is new ");
2791                Sprint_And_List (Interface_List (Node));
2792                Write_Str (" with ");
2793             else
2794                Write_Str (" is");
2795             end if;
2796
2797             Sprint_Node (Protected_Definition (Node));
2798             Write_Id (Defining_Identifier (Node));
2799             Write_Char (';');
2800
2801          when N_Qualified_Expression =>
2802             Sprint_Node (Subtype_Mark (Node));
2803             Write_Char_Sloc (''');
2804
2805             --  Print expression, make sure we have at least one level of
2806             --  parentheses around the expression. For cases of qualified
2807             --  expressions in the source, this is always the case, but
2808             --  for generated qualifications, there may be no explicit
2809             --  parentheses present.
2810
2811             if Paren_Count (Expression (Node)) /= 0 then
2812                Sprint_Node (Expression (Node));
2813
2814             else
2815                Write_Char ('(');
2816                Sprint_Node (Expression (Node));
2817
2818                --  Odd case, for the qualified expressions used in machine
2819                --  code the argument may be a procedure call, resulting in
2820                --  a junk semicolon before the right parent, get rid of it.
2821
2822                Write_Erase_Char (';');
2823
2824                --  Now we can add the terminating right paren
2825
2826                Write_Char (')');
2827             end if;
2828
2829          when N_Quantified_Expression =>
2830             Write_Str (" for");
2831
2832             if All_Present (Node) then
2833                Write_Str (" all ");
2834             else
2835                Write_Str (" some ");
2836             end if;
2837
2838             if Present (Iterator_Specification (Node)) then
2839                Sprint_Node (Iterator_Specification (Node));
2840             else
2841                Sprint_Node (Loop_Parameter_Specification (Node));
2842             end if;
2843
2844             Write_Str (" => ");
2845             Sprint_Node (Condition (Node));
2846
2847          when N_Raise_Expression =>
2848             declare
2849                Has_Parens : constant Boolean := Paren_Count (Node) > 0;
2850
2851             begin
2852                --  The syntax for raise_expression does not include parentheses
2853                --  but sometimes parentheses are required, so unconditionally
2854                --  generate them here unless already present.
2855
2856                if not Has_Parens then
2857                   Write_Char ('(');
2858                end if;
2859
2860                Write_Str_With_Col_Check_Sloc ("raise ");
2861                Sprint_Node (Name (Node));
2862
2863                if Present (Expression (Node)) then
2864                   Write_Str_With_Col_Check (" with ");
2865                   Sprint_Node (Expression (Node));
2866                end if;
2867
2868                if not Has_Parens then
2869                   Write_Char (')');
2870                end if;
2871             end;
2872
2873          when N_Raise_Constraint_Error =>
2874
2875             --  This node can be used either as a subexpression or as a
2876             --  statement form. The following test is a reasonably reliable
2877             --  way to distinguish the two cases.
2878
2879             if Is_List_Member (Node)
2880               and then Nkind (Parent (Node)) not in N_Subexpr
2881             then
2882                Write_Indent;
2883             end if;
2884
2885             Write_Str_With_Col_Check_Sloc ("[constraint_error");
2886             Write_Condition_And_Reason (Node);
2887
2888          when N_Raise_Program_Error =>
2889
2890             --  This node can be used either as a subexpression or as a
2891             --  statement form. The following test is a reasonably reliable
2892             --  way to distinguish the two cases.
2893
2894             if Is_List_Member (Node)
2895               and then Nkind (Parent (Node)) not in N_Subexpr
2896             then
2897                Write_Indent;
2898             end if;
2899
2900             Write_Str_With_Col_Check_Sloc ("[program_error");
2901             Write_Condition_And_Reason (Node);
2902
2903          when N_Raise_Storage_Error =>
2904
2905             --  This node can be used either as a subexpression or as a
2906             --  statement form. The following test is a reasonably reliable
2907             --  way to distinguish the two cases.
2908
2909             if Is_List_Member (Node)
2910               and then Nkind (Parent (Node)) not in N_Subexpr
2911             then
2912                Write_Indent;
2913             end if;
2914
2915             Write_Str_With_Col_Check_Sloc ("[storage_error");
2916             Write_Condition_And_Reason (Node);
2917
2918          when N_Raise_Statement =>
2919             Write_Indent_Str_Sloc ("raise ");
2920             Sprint_Node (Name (Node));
2921             Write_Char (';');
2922
2923          when N_Range =>
2924             Sprint_Node (Low_Bound (Node));
2925             Write_Str_Sloc (" .. ");
2926             Sprint_Node (High_Bound (Node));
2927             Update_Itype (Node);
2928
2929          when N_Range_Constraint =>
2930             Write_Str_With_Col_Check_Sloc ("range ");
2931             Sprint_Node (Range_Expression (Node));
2932
2933          when N_Real_Literal =>
2934             Write_Ureal_With_Col_Check_Sloc (Realval (Node));
2935
2936          when N_Real_Range_Specification =>
2937             Write_Str_With_Col_Check_Sloc ("range ");
2938             Sprint_Node (Low_Bound (Node));
2939             Write_Str (" .. ");
2940             Sprint_Node (High_Bound (Node));
2941
2942          when N_Record_Definition =>
2943             if Abstract_Present (Node) then
2944                Write_Str_With_Col_Check ("abstract ");
2945             end if;
2946
2947             if Tagged_Present (Node) then
2948                Write_Str_With_Col_Check ("tagged ");
2949             end if;
2950
2951             if Limited_Present (Node) then
2952                Write_Str_With_Col_Check ("limited ");
2953             end if;
2954
2955             if Null_Present (Node) then
2956                Write_Str_With_Col_Check_Sloc ("null record");
2957
2958             else
2959                Write_Str_With_Col_Check_Sloc ("record");
2960                Sprint_Node (Component_List (Node));
2961                Write_Indent_Str ("end record");
2962             end if;
2963
2964          when N_Record_Representation_Clause =>
2965             Write_Indent_Str_Sloc ("for ");
2966             Sprint_Node (Identifier (Node));
2967             Write_Str_With_Col_Check (" use record ");
2968
2969             if Present (Mod_Clause (Node)) then
2970                Sprint_Node (Mod_Clause (Node));
2971             end if;
2972
2973             Sprint_Indented_List (Component_Clauses (Node));
2974             Write_Indent_Str ("end record;");
2975
2976          when N_Reference =>
2977             Sprint_Node (Prefix (Node));
2978             Write_Str_With_Col_Check_Sloc ("'reference");
2979
2980          when N_Requeue_Statement =>
2981             Write_Indent_Str_Sloc ("requeue ");
2982             Sprint_Node (Name (Node));
2983
2984             if Abort_Present (Node) then
2985                Write_Str_With_Col_Check (" with abort");
2986             end if;
2987
2988             Write_Char (';');
2989
2990          --  Don't we want to print more detail???
2991
2992          --  Doc of this extended syntax belongs in sinfo.ads and/or
2993          --  sprint.ads ???
2994
2995          when N_SCIL_Dispatch_Table_Tag_Init =>
2996             Write_Indent_Str ("[N_SCIL_Dispatch_Table_Tag_Init]");
2997
2998          when N_SCIL_Dispatching_Call =>
2999             Write_Indent_Str ("[N_SCIL_Dispatching_Node]");
3000
3001          when N_SCIL_Membership_Test =>
3002             Write_Indent_Str ("[N_SCIL_Membership_Test]");
3003
3004          when N_Simple_Return_Statement =>
3005             if Present (Expression (Node)) then
3006                Write_Indent_Str_Sloc ("return ");
3007                Sprint_Node (Expression (Node));
3008                Write_Char (';');
3009             else
3010                Write_Indent_Str_Sloc ("return;");
3011             end if;
3012
3013          when N_Selective_Accept =>
3014             Write_Indent_Str_Sloc ("select");
3015
3016             declare
3017                Alt_Node : Node_Id;
3018             begin
3019                Alt_Node := First (Select_Alternatives (Node));
3020                loop
3021                   Indent_Begin;
3022                   Sprint_Node (Alt_Node);
3023                   Indent_End;
3024                   Next (Alt_Node);
3025                   exit when No (Alt_Node);
3026                   Write_Indent_Str ("or");
3027                end loop;
3028             end;
3029
3030             if Present (Else_Statements (Node)) then
3031                Write_Indent_Str ("else");
3032                Sprint_Indented_List (Else_Statements (Node));
3033             end if;
3034
3035             Write_Indent_Str ("end select;");
3036
3037          when N_Signed_Integer_Type_Definition =>
3038             Write_Str_With_Col_Check_Sloc ("range ");
3039             Sprint_Node (Low_Bound (Node));
3040             Write_Str (" .. ");
3041             Sprint_Node (High_Bound (Node));
3042
3043          when N_Single_Protected_Declaration =>
3044             Write_Indent_Str_Sloc ("protected ");
3045             Write_Id (Defining_Identifier (Node));
3046             Write_Str (" is");
3047             Sprint_Node (Protected_Definition (Node));
3048             Write_Id (Defining_Identifier (Node));
3049             Write_Char (';');
3050
3051          when N_Single_Task_Declaration =>
3052             Write_Indent_Str_Sloc ("task ");
3053             Sprint_Node (Defining_Identifier (Node));
3054
3055             if Present (Task_Definition (Node)) then
3056                Write_Str (" is");
3057                Sprint_Node (Task_Definition (Node));
3058             end if;
3059
3060             Write_Char (';');
3061
3062          when N_Selected_Component =>
3063             Sprint_Node (Prefix (Node));
3064             Write_Char_Sloc ('.');
3065             Sprint_Node (Selector_Name (Node));
3066
3067          when N_Slice =>
3068             Set_Debug_Sloc;
3069             Sprint_Node (Prefix (Node));
3070             Write_Str_With_Col_Check (" (");
3071             Sprint_Node (Discrete_Range (Node));
3072             Write_Char (')');
3073
3074          when N_String_Literal =>
3075             if String_Length (Strval (Node)) + Column > Sprint_Line_Limit then
3076                Write_Indent_Str ("  ");
3077             end if;
3078
3079             Set_Debug_Sloc;
3080             Write_String_Table_Entry (Strval (Node));
3081
3082          when N_Subprogram_Body =>
3083
3084             --  Output extra blank line unless we are in freeze actions
3085
3086             if Freeze_Indent = 0 then
3087                Extra_Blank_Line;
3088             end if;
3089
3090             Write_Indent;
3091
3092             if Present (Corresponding_Spec (Node)) then
3093                Sprint_Node_Sloc (Parent (Corresponding_Spec (Node)));
3094             else
3095                Sprint_Node_Sloc (Specification (Node));
3096             end if;
3097
3098             Write_Str (" is");
3099
3100             Sprint_Indented_List (Declarations (Node));
3101             Write_Indent_Str ("begin");
3102             Sprint_Node (Handled_Statement_Sequence (Node));
3103
3104             Write_Indent_Str ("end ");
3105
3106             Sprint_End_Label
3107               (Handled_Statement_Sequence (Node),
3108                  Defining_Unit_Name (Specification (Node)));
3109             Write_Char (';');
3110
3111             if Is_List_Member (Node)
3112               and then Present (Next (Node))
3113               and then Nkind (Next (Node)) /= N_Subprogram_Body
3114             then
3115                Write_Indent;
3116             end if;
3117
3118          when N_Subprogram_Body_Stub =>
3119             Write_Indent;
3120             Sprint_Node_Sloc (Specification (Node));
3121             Write_Str_With_Col_Check (" is separate;");
3122
3123          when N_Subprogram_Declaration =>
3124             Write_Indent;
3125             Sprint_Node_Sloc (Specification (Node));
3126
3127             if Nkind (Specification (Node)) = N_Procedure_Specification
3128               and then Null_Present (Specification (Node))
3129             then
3130                Write_Str_With_Col_Check (" is null");
3131             end if;
3132
3133             Write_Char (';');
3134
3135          when N_Subprogram_Renaming_Declaration =>
3136             Write_Indent;
3137             Sprint_Node (Specification (Node));
3138             Write_Str_With_Col_Check_Sloc (" renames ");
3139             Sprint_Node (Name (Node));
3140             Write_Char (';');
3141
3142          when N_Subtype_Declaration =>
3143             Write_Indent_Str_Sloc ("subtype ");
3144             Sprint_Node (Defining_Identifier (Node));
3145             Write_Str (" is ");
3146
3147             --  Ada 2005 (AI-231)
3148
3149             if Null_Exclusion_Present (Node) then
3150                Write_Str ("not null ");
3151             end if;
3152
3153             Sprint_Node (Subtype_Indication (Node));
3154             Write_Char (';');
3155
3156          when N_Subtype_Indication =>
3157             Sprint_Node_Sloc (Subtype_Mark (Node));
3158             Write_Char (' ');
3159             Sprint_Node (Constraint (Node));
3160
3161          when N_Subunit =>
3162             Write_Indent_Str_Sloc ("separate (");
3163             Sprint_Node (Name (Node));
3164             Write_Char (')');
3165             Extra_Blank_Line;
3166             Sprint_Node (Proper_Body (Node));
3167
3168          when N_Task_Body =>
3169             Write_Indent_Str_Sloc ("task body ");
3170             Write_Id (Defining_Identifier (Node));
3171             Write_Str (" is");
3172             Sprint_Indented_List (Declarations (Node));
3173             Write_Indent_Str ("begin");
3174             Sprint_Node (Handled_Statement_Sequence (Node));
3175             Write_Indent_Str ("end ");
3176             Sprint_End_Label
3177               (Handled_Statement_Sequence (Node), Defining_Identifier (Node));
3178             Write_Char (';');
3179
3180          when N_Task_Body_Stub =>
3181             Write_Indent_Str_Sloc ("task body ");
3182             Write_Id (Defining_Identifier (Node));
3183             Write_Str_With_Col_Check (" is separate;");
3184
3185          when N_Task_Definition =>
3186             Set_Debug_Sloc;
3187             Sprint_Indented_List (Visible_Declarations (Node));
3188
3189             if Present (Private_Declarations (Node)) then
3190                Write_Indent_Str ("private");
3191                Sprint_Indented_List (Private_Declarations (Node));
3192             end if;
3193
3194             Write_Indent_Str ("end ");
3195             Sprint_End_Label (Node, Defining_Identifier (Parent (Node)));
3196
3197          when N_Task_Type_Declaration =>
3198             Write_Indent_Str_Sloc ("task type ");
3199             Sprint_Node (Defining_Identifier (Node));
3200             Write_Discr_Specs (Node);
3201
3202             if Present (Interface_List (Node)) then
3203                Write_Str (" is new ");
3204                Sprint_And_List (Interface_List (Node));
3205             end if;
3206
3207             if Present (Task_Definition (Node)) then
3208                if No (Interface_List (Node)) then
3209                   Write_Str (" is");
3210                else
3211                   Write_Str (" with ");
3212                end if;
3213
3214                Sprint_Node (Task_Definition (Node));
3215             end if;
3216
3217             Write_Char (';');
3218
3219          when N_Terminate_Alternative =>
3220             Sprint_Node_List (Pragmas_Before (Node));
3221             Write_Indent;
3222
3223             if Present (Condition (Node)) then
3224                Write_Str_With_Col_Check ("when ");
3225                Sprint_Node (Condition (Node));
3226                Write_Str (" => ");
3227             end if;
3228
3229             Write_Str_With_Col_Check_Sloc ("terminate;");
3230             Sprint_Node_List (Pragmas_After (Node));
3231
3232          when N_Timed_Entry_Call =>
3233             Write_Indent_Str_Sloc ("select");
3234             Indent_Begin;
3235             Sprint_Node (Entry_Call_Alternative (Node));
3236             Indent_End;
3237             Write_Indent_Str ("or");
3238             Indent_Begin;
3239             Sprint_Node (Delay_Alternative (Node));
3240             Indent_End;
3241             Write_Indent_Str ("end select;");
3242
3243          when N_Triggering_Alternative =>
3244             Sprint_Node_List (Pragmas_Before (Node));
3245             Sprint_Node_Sloc (Triggering_Statement (Node));
3246             Sprint_Node_List (Statements (Node));
3247
3248          when N_Type_Conversion =>
3249             Set_Debug_Sloc;
3250             Sprint_Node (Subtype_Mark (Node));
3251             Col_Check (4);
3252
3253             if Conversion_OK (Node) then
3254                Write_Char ('?');
3255             end if;
3256
3257             if Float_Truncate (Node) then
3258                Write_Char ('^');
3259             end if;
3260
3261             if Rounded_Result (Node) then
3262                Write_Char ('@');
3263             end if;
3264
3265             Write_Char ('(');
3266             Sprint_Node (Expression (Node));
3267             Write_Char (')');
3268
3269          when N_Unchecked_Expression =>
3270             Col_Check (10);
3271             Write_Str ("`(");
3272             Sprint_Node_Sloc (Expression (Node));
3273             Write_Char (')');
3274
3275          when N_Unchecked_Type_Conversion =>
3276             Sprint_Node (Subtype_Mark (Node));
3277             Write_Char ('!');
3278             Write_Str_With_Col_Check ("(");
3279             Sprint_Node_Sloc (Expression (Node));
3280             Write_Char (')');
3281
3282          when N_Unconstrained_Array_Definition =>
3283             Write_Str_With_Col_Check_Sloc ("array (");
3284
3285             declare
3286                Node1 : Node_Id;
3287             begin
3288                Node1 := First (Subtype_Marks (Node));
3289                loop
3290                   Sprint_Node (Node1);
3291                   Write_Str_With_Col_Check (" range <>");
3292                   Next (Node1);
3293                   exit when Node1 = Empty;
3294                   Write_Str (", ");
3295                end loop;
3296             end;
3297
3298             Write_Str (") of ");
3299             Sprint_Node (Component_Definition (Node));
3300
3301          when N_Unused_At_Start | N_Unused_At_End =>
3302             Write_Indent_Str ("***** Error, unused node encountered *****");
3303             Write_Eol;
3304
3305          when N_Use_Package_Clause =>
3306             Write_Indent_Str_Sloc ("use ");
3307             Sprint_Comma_List (Names (Node));
3308             Write_Char (';');
3309
3310          when N_Use_Type_Clause =>
3311             Write_Indent_Str_Sloc ("use type ");
3312             Sprint_Comma_List (Subtype_Marks (Node));
3313             Write_Char (';');
3314
3315          when N_Validate_Unchecked_Conversion =>
3316             Write_Indent_Str_Sloc ("validate unchecked_conversion (");
3317             Sprint_Node (Source_Type (Node));
3318             Write_Str (", ");
3319             Sprint_Node (Target_Type (Node));
3320             Write_Str (");");
3321
3322          when N_Variant =>
3323             Write_Indent_Str_Sloc ("when ");
3324             Sprint_Bar_List (Discrete_Choices (Node));
3325             Write_Str (" => ");
3326             Sprint_Node (Component_List (Node));
3327
3328          when N_Variant_Part =>
3329             Indent_Begin;
3330             Write_Indent_Str_Sloc ("case ");
3331             Sprint_Node (Name (Node));
3332             Write_Str (" is ");
3333             Sprint_Indented_List (Variants (Node));
3334             Write_Indent_Str ("end case");
3335             Indent_End;
3336
3337          when N_With_Clause =>
3338
3339             --  Special test, if we are dumping the original tree only,
3340             --  then we want to eliminate the bogus with clauses that
3341             --  correspond to the non-existent children of Text_IO.
3342
3343             if Dump_Original_Only
3344               and then Is_Text_IO_Special_Unit (Name (Node))
3345             then
3346                null;
3347
3348             --  Normal case, output the with clause
3349
3350             else
3351                if First_Name (Node) or else not Dump_Original_Only then
3352
3353                   --  Ada 2005 (AI-50217): Print limited with_clauses
3354
3355                   if Private_Present (Node) and Limited_Present (Node) then
3356                      Write_Indent_Str ("limited private with ");
3357
3358                   elsif Private_Present (Node) then
3359                      Write_Indent_Str ("private with ");
3360
3361                   elsif Limited_Present (Node) then
3362                      Write_Indent_Str ("limited with ");
3363
3364                   else
3365                      Write_Indent_Str ("with ");
3366                   end if;
3367
3368                else
3369                   Write_Str (", ");
3370                end if;
3371
3372                Sprint_Node_Sloc (Name (Node));
3373
3374                if Last_Name (Node) or else not Dump_Original_Only then
3375                   Write_Char (';');
3376                end if;
3377             end if;
3378       end case;
3379
3380       --  Print aspects, except for special case of package declaration,
3381       --  where the aspects are printed inside the package specification.
3382
3383       if Has_Aspects (Node)
3384          and then not Nkind_In (Node, N_Package_Declaration,
3385                                       N_Generic_Package_Declaration)
3386       then
3387          Sprint_Aspect_Specifications (Node, Semicolon => True);
3388       end if;
3389
3390       if Nkind (Node) in N_Subexpr
3391         and then Do_Range_Check (Node)
3392       then
3393          Write_Str ("}");
3394       end if;
3395
3396       for J in 1 .. Paren_Count (Node) loop
3397          Write_Char (')');
3398       end loop;
3399
3400       Dump_Node := Save_Dump_Node;
3401    end Sprint_Node_Actual;
3402
3403    ----------------------
3404    -- Sprint_Node_List --
3405    ----------------------
3406
3407    procedure Sprint_Node_List (List : List_Id; New_Lines : Boolean := False) is
3408       Node : Node_Id;
3409
3410    begin
3411       if Is_Non_Empty_List (List) then
3412          Node := First (List);
3413
3414          loop
3415             Sprint_Node (Node);
3416             Next (Node);
3417             exit when Node = Empty;
3418          end loop;
3419       end if;
3420
3421       if New_Lines and then Column /= 1 then
3422          Write_Eol;
3423       end if;
3424    end Sprint_Node_List;
3425
3426    ----------------------
3427    -- Sprint_Node_Sloc --
3428    ----------------------
3429
3430    procedure Sprint_Node_Sloc (Node : Node_Id) is
3431    begin
3432       Sprint_Node (Node);
3433
3434       if Debug_Generated_Code and then Present (Dump_Node) then
3435          Set_Sloc (Dump_Node, Sloc (Node));
3436          Dump_Node := Empty;
3437       end if;
3438    end Sprint_Node_Sloc;
3439
3440    ---------------------
3441    -- Sprint_Opt_Node --
3442    ---------------------
3443
3444    procedure Sprint_Opt_Node (Node : Node_Id) is
3445    begin
3446       if Present (Node) then
3447          Write_Char (' ');
3448          Sprint_Node (Node);
3449       end if;
3450    end Sprint_Opt_Node;
3451
3452    --------------------------
3453    -- Sprint_Opt_Node_List --
3454    --------------------------
3455
3456    procedure Sprint_Opt_Node_List (List : List_Id) is
3457    begin
3458       if Present (List) then
3459          Sprint_Node_List (List);
3460       end if;
3461    end Sprint_Opt_Node_List;
3462
3463    ---------------------------------
3464    -- Sprint_Opt_Paren_Comma_List --
3465    ---------------------------------
3466
3467    procedure Sprint_Opt_Paren_Comma_List (List : List_Id) is
3468    begin
3469       if Is_Non_Empty_List (List) then
3470          Write_Char (' ');
3471          Sprint_Paren_Comma_List (List);
3472       end if;
3473    end Sprint_Opt_Paren_Comma_List;
3474
3475    -----------------------------
3476    -- Sprint_Paren_Comma_List --
3477    -----------------------------
3478
3479    procedure Sprint_Paren_Comma_List (List : List_Id) is
3480       N           : Node_Id;
3481       Node_Exists : Boolean := False;
3482
3483    begin
3484
3485       if Is_Non_Empty_List (List) then
3486
3487          if Dump_Original_Only then
3488             N := First (List);
3489             while Present (N) loop
3490                if not Is_Rewrite_Insertion (N) then
3491                   Node_Exists := True;
3492                   exit;
3493                end if;
3494
3495                Next (N);
3496             end loop;
3497
3498             if not Node_Exists then
3499                return;
3500             end if;
3501          end if;
3502
3503          Write_Str_With_Col_Check ("(");
3504          Sprint_Comma_List (List);
3505          Write_Char (')');
3506       end if;
3507    end Sprint_Paren_Comma_List;
3508
3509    ----------------------
3510    -- Sprint_Right_Opnd --
3511    ----------------------
3512
3513    procedure Sprint_Right_Opnd (N : Node_Id) is
3514       Opnd : constant Node_Id := Right_Opnd (N);
3515
3516    begin
3517       if Paren_Count (Opnd) /= 0
3518         or else Op_Prec (Nkind (Opnd)) > Op_Prec (Nkind (N))
3519       then
3520          Sprint_Node (Opnd);
3521
3522       else
3523          Write_Char ('(');
3524          Sprint_Node (Opnd);
3525          Write_Char (')');
3526       end if;
3527    end Sprint_Right_Opnd;
3528
3529    ------------------
3530    -- Update_Itype --
3531    ------------------
3532
3533    procedure Update_Itype (Node : Node_Id) is
3534    begin
3535       if Present (Etype (Node))
3536         and then Is_Itype (Etype (Node))
3537         and then Debug_Generated_Code
3538       then
3539          Set_Sloc (Etype (Node), Sloc (Node));
3540       end if;
3541    end Update_Itype;
3542
3543    ---------------------
3544    -- Write_Char_Sloc --
3545    ---------------------
3546
3547    procedure Write_Char_Sloc (C : Character) is
3548    begin
3549       if Debug_Generated_Code and then C /= ' ' then
3550          Set_Debug_Sloc;
3551       end if;
3552
3553       Write_Char (C);
3554    end Write_Char_Sloc;
3555
3556    --------------------------------
3557    -- Write_Condition_And_Reason --
3558    --------------------------------
3559
3560    procedure Write_Condition_And_Reason (Node : Node_Id) is
3561       Cond  : constant Node_Id := Condition (Node);
3562       Image : constant String  := RT_Exception_Code'Image
3563                                     (RT_Exception_Code'Val
3564                                        (UI_To_Int (Reason (Node))));
3565
3566    begin
3567       if Present (Cond) then
3568
3569          --  If condition is a single entity, or NOT with a single entity,
3570          --  output all on one line, since it will likely fit just fine.
3571
3572          if Is_Entity_Name (Cond)
3573            or else (Nkind (Cond) = N_Op_Not
3574                      and then Is_Entity_Name (Right_Opnd (Cond)))
3575          then
3576             Write_Str_With_Col_Check (" when ");
3577             Sprint_Node (Cond);
3578             Write_Char (' ');
3579
3580             --  Otherwise for more complex condition, multiple lines
3581
3582          else
3583             Write_Str_With_Col_Check (" when");
3584             Indent := Indent + 2;
3585             Write_Indent;
3586             Sprint_Node (Cond);
3587             Write_Indent;
3588             Indent := Indent - 2;
3589          end if;
3590
3591       --  If no condition, just need a space (all on one line)
3592
3593       else
3594          Write_Char (' ');
3595       end if;
3596
3597       --  Write the reason
3598
3599       Write_Char ('"');
3600
3601       for J in 4 .. Image'Last loop
3602          if Image (J) = '_' then
3603             Write_Char (' ');
3604          else
3605             Write_Char (Fold_Lower (Image (J)));
3606          end if;
3607       end loop;
3608
3609       Write_Str ("""]");
3610    end Write_Condition_And_Reason;
3611
3612    --------------------------------
3613    -- Write_Corresponding_Source --
3614    --------------------------------
3615
3616    procedure Write_Corresponding_Source (S : String) is
3617       Loc : Source_Ptr;
3618       Src : Source_Buffer_Ptr;
3619
3620    begin
3621       --  Ignore if not in dump source text mode, or if in freeze actions
3622
3623       if Dump_Source_Text and then Freeze_Indent = 0 then
3624
3625          --  Ignore null string
3626
3627          if S = "" then
3628             return;
3629          end if;
3630
3631          --  Ignore space or semicolon at end of given string
3632
3633          if S (S'Last) = ' ' or else S (S'Last) = ';' then
3634             Write_Corresponding_Source (S (S'First .. S'Last - 1));
3635             return;
3636          end if;
3637
3638          --  Loop to look at next lines not yet printed in source file
3639
3640          for L in
3641            Last_Line_Printed + 1 .. Last_Source_Line (Current_Source_File)
3642          loop
3643             Src := Source_Text (Current_Source_File);
3644             Loc := Line_Start (L, Current_Source_File);
3645
3646             --  If comment, keep looking
3647
3648             if Src (Loc .. Loc + 1) = "--" then
3649                null;
3650
3651             --  Search to first non-blank
3652
3653             else
3654                while Src (Loc) not in Line_Terminator loop
3655
3656                   --  Non-blank found
3657
3658                   if Src (Loc) /= ' ' and then Src (Loc) /= ASCII.HT then
3659
3660                      --  Loop through characters in string to see if we match
3661
3662                      for J in S'Range loop
3663
3664                         --  If mismatch, then not the case we are looking for
3665
3666                         if Src (Loc) /= S (J) then
3667                            return;
3668                         end if;
3669
3670                         Loc := Loc + 1;
3671                      end loop;
3672
3673                      --  If we fall through, string matched, if white space or
3674                      --  semicolon after the matched string, this is the case
3675                      --  we are looking for.
3676
3677                      if Src (Loc) in Line_Terminator
3678                        or else Src (Loc) = ' '
3679                        or else Src (Loc) = ASCII.HT
3680                        or else Src (Loc) = ';'
3681                      then
3682                         --  So output source lines up to and including this one
3683
3684                         Write_Source_Lines (L);
3685                         return;
3686                      end if;
3687                   end if;
3688
3689                   Loc := Loc + 1;
3690                end loop;
3691             end if;
3692
3693          --  Line was all blanks, or a comment line, keep looking
3694
3695          end loop;
3696       end if;
3697    end Write_Corresponding_Source;
3698
3699    -----------------------
3700    -- Write_Discr_Specs --
3701    -----------------------
3702
3703    procedure Write_Discr_Specs (N : Node_Id) is
3704       Specs : List_Id;
3705       Spec  : Node_Id;
3706
3707    begin
3708       Specs := Discriminant_Specifications (N);
3709
3710       if Present (Specs) then
3711          Write_Str_With_Col_Check (" (");
3712          Spec := First (Specs);
3713
3714          loop
3715             Sprint_Node (Spec);
3716             Next (Spec);
3717             exit when Spec = Empty;
3718
3719             --  Add semicolon, unless we are printing original tree and the
3720             --  next specification is part of a list (but not the first
3721             --  element of that list)
3722
3723             if not Dump_Original_Only or else not Prev_Ids (Spec) then
3724                Write_Str ("; ");
3725             end if;
3726          end loop;
3727
3728          Write_Char (')');
3729       end if;
3730    end Write_Discr_Specs;
3731
3732    -----------------
3733    -- Write_Ekind --
3734    -----------------
3735
3736    procedure Write_Ekind (E : Entity_Id) is
3737       S : constant String := Entity_Kind'Image (Ekind (E));
3738
3739    begin
3740       Name_Len := S'Length;
3741       Name_Buffer (1 .. Name_Len) := S;
3742       Set_Casing (Mixed_Case);
3743       Write_Str_With_Col_Check (Name_Buffer (1 .. Name_Len));
3744    end Write_Ekind;
3745
3746    --------------
3747    -- Write_Id --
3748    --------------
3749
3750    procedure Write_Id (N : Node_Id) is
3751    begin
3752       --  Deal with outputting Itype
3753
3754       --  Note: if we are printing the full tree with -gnatds, then we may
3755       --  end up picking up the Associated_Node link from a generic template
3756       --  here which overlaps the Entity field, but as documented, Write_Itype
3757       --  is defended against junk calls.
3758
3759       if Nkind (N) in N_Entity then
3760          Write_Itype (N);
3761       elsif Nkind (N) in N_Has_Entity then
3762          Write_Itype (Entity (N));
3763       end if;
3764
3765       --  Case of a defining identifier
3766
3767       if Nkind (N) = N_Defining_Identifier then
3768
3769          --  If defining identifier has an interface name (and no
3770          --  address clause), then we output the interface name.
3771
3772          if (Is_Imported (N) or else Is_Exported (N))
3773            and then Present (Interface_Name (N))
3774            and then No (Address_Clause (N))
3775          then
3776             String_To_Name_Buffer (Strval (Interface_Name (N)));
3777             Write_Str_With_Col_Check (Name_Buffer (1 .. Name_Len));
3778
3779          --  If no interface name (or inactive because there was
3780          --  an address clause), then just output the Chars name.
3781
3782          else
3783             Write_Name_With_Col_Check (Chars (N));
3784          end if;
3785
3786       --  Case of selector of an expanded name where the expanded name
3787       --  has an associated entity, output this entity. Check that the
3788       --  entity or associated node is of the right kind, see above.
3789
3790       elsif Nkind (Parent (N)) = N_Expanded_Name
3791         and then Selector_Name (Parent (N)) = N
3792         and then Present (Entity_Or_Associated_Node (Parent (N)))
3793         and then Nkind (Entity (Parent (N))) in N_Entity
3794       then
3795          Write_Id (Entity (Parent (N)));
3796
3797       --  For any other node with an associated entity, output it
3798
3799       elsif Nkind (N) in N_Has_Entity
3800         and then Present (Entity_Or_Associated_Node (N))
3801         and then Nkind (Entity_Or_Associated_Node (N)) in N_Entity
3802       then
3803          Write_Id (Entity (N));
3804
3805       --  All other cases, we just print the Chars field
3806
3807       else
3808          Write_Name_With_Col_Check (Chars (N));
3809       end if;
3810    end Write_Id;
3811
3812    -----------------------
3813    -- Write_Identifiers --
3814    -----------------------
3815
3816    function Write_Identifiers (Node : Node_Id) return Boolean is
3817    begin
3818       Sprint_Node (Defining_Identifier (Node));
3819       Update_Itype (Defining_Identifier (Node));
3820
3821       --  The remainder of the declaration must be printed unless we are
3822       --  printing the original tree and this is not the last identifier
3823
3824       return
3825          not Dump_Original_Only or else not More_Ids (Node);
3826
3827    end Write_Identifiers;
3828
3829    ------------------------
3830    -- Write_Implicit_Def --
3831    ------------------------
3832
3833    procedure Write_Implicit_Def (E : Entity_Id) is
3834       Ind : Node_Id;
3835
3836    begin
3837       case Ekind (E) is
3838          when E_Array_Subtype =>
3839             Write_Str_With_Col_Check ("subtype ");
3840             Write_Id (E);
3841             Write_Str_With_Col_Check (" is ");
3842             Write_Id (Base_Type (E));
3843             Write_Str_With_Col_Check (" (");
3844
3845             Ind := First_Index (E);
3846             while Present (Ind) loop
3847                Sprint_Node (Ind);
3848                Next_Index (Ind);
3849
3850                if Present (Ind) then
3851                   Write_Str (", ");
3852                end if;
3853             end loop;
3854
3855             Write_Str (");");
3856
3857          when E_Signed_Integer_Subtype | E_Enumeration_Subtype =>
3858             Write_Str_With_Col_Check ("subtype ");
3859             Write_Id (E);
3860             Write_Str (" is ");
3861             Write_Id (Etype (E));
3862             Write_Str_With_Col_Check (" range ");
3863             Sprint_Node (Scalar_Range (E));
3864             Write_Str (";");
3865
3866          when others =>
3867             Write_Str_With_Col_Check ("type ");
3868             Write_Id (E);
3869             Write_Str_With_Col_Check (" is <");
3870             Write_Ekind (E);
3871             Write_Str (">;");
3872       end case;
3873
3874    end Write_Implicit_Def;
3875
3876    ------------------
3877    -- Write_Indent --
3878    ------------------
3879
3880    procedure Write_Indent is
3881       Loc : constant Source_Ptr := Sloc (Dump_Node);
3882
3883    begin
3884       if Indent_Annull_Flag then
3885          Indent_Annull_Flag := False;
3886       else
3887          --  Deal with Dump_Source_Text output. Note that we ignore implicit
3888          --  label declarations, since they typically have the sloc of the
3889          --  corresponding label, which really messes up the -gnatL output.
3890
3891          if Dump_Source_Text
3892            and then Loc > No_Location
3893            and then Nkind (Dump_Node) /= N_Implicit_Label_Declaration
3894          then
3895             if Get_Source_File_Index (Loc) = Current_Source_File then
3896                Write_Source_Lines
3897                  (Get_Physical_Line_Number (Sloc (Dump_Node)));
3898             end if;
3899          end if;
3900
3901          Write_Eol;
3902
3903          for J in 1 .. Indent loop
3904             Write_Char (' ');
3905          end loop;
3906       end if;
3907    end Write_Indent;
3908
3909    ------------------------------
3910    -- Write_Indent_Identifiers --
3911    ------------------------------
3912
3913    function Write_Indent_Identifiers (Node : Node_Id) return Boolean is
3914    begin
3915       --  We need to start a new line for every node, except in the case
3916       --  where we are printing the original tree and this is not the first
3917       --  defining identifier in the list.
3918
3919       if not Dump_Original_Only or else not Prev_Ids (Node) then
3920          Write_Indent;
3921
3922       --  If printing original tree and this is not the first defining
3923       --  identifier in the list, then the previous call to this procedure
3924       --  printed only the name, and we add a comma to separate the names.
3925
3926       else
3927          Write_Str (", ");
3928       end if;
3929
3930       Sprint_Node (Defining_Identifier (Node));
3931
3932       --  The remainder of the declaration must be printed unless we are
3933       --  printing the original tree and this is not the last identifier
3934
3935       return
3936          not Dump_Original_Only or else not More_Ids (Node);
3937    end Write_Indent_Identifiers;
3938
3939    -----------------------------------
3940    -- Write_Indent_Identifiers_Sloc --
3941    -----------------------------------
3942
3943    function Write_Indent_Identifiers_Sloc (Node : Node_Id) return Boolean is
3944    begin
3945       --  We need to start a new line for every node, except in the case
3946       --  where we are printing the original tree and this is not the first
3947       --  defining identifier in the list.
3948
3949       if not Dump_Original_Only or else not Prev_Ids (Node) then
3950          Write_Indent;
3951
3952       --  If printing original tree and this is not the first defining
3953       --  identifier in the list, then the previous call to this procedure
3954       --  printed only the name, and we add a comma to separate the names.
3955
3956       else
3957          Write_Str (", ");
3958       end if;
3959
3960       Set_Debug_Sloc;
3961       Sprint_Node (Defining_Identifier (Node));
3962
3963       --  The remainder of the declaration must be printed unless we are
3964       --  printing the original tree and this is not the last identifier
3965
3966       return not Dump_Original_Only or else not More_Ids (Node);
3967    end Write_Indent_Identifiers_Sloc;
3968
3969    ----------------------
3970    -- Write_Indent_Str --
3971    ----------------------
3972
3973    procedure Write_Indent_Str (S : String) is
3974    begin
3975       Write_Corresponding_Source (S);
3976       Write_Indent;
3977       Write_Str (S);
3978    end Write_Indent_Str;
3979
3980    ---------------------------
3981    -- Write_Indent_Str_Sloc --
3982    ---------------------------
3983
3984    procedure Write_Indent_Str_Sloc (S : String) is
3985    begin
3986       Write_Corresponding_Source (S);
3987       Write_Indent;
3988       Write_Str_Sloc (S);
3989    end Write_Indent_Str_Sloc;
3990
3991    -----------------
3992    -- Write_Itype --
3993    -----------------
3994
3995    procedure Write_Itype (Typ : Entity_Id) is
3996
3997       procedure Write_Header (T : Boolean := True);
3998       --  Write type if T is True, subtype if T is false
3999
4000       ------------------
4001       -- Write_Header --
4002       ------------------
4003
4004       procedure Write_Header (T : Boolean := True) is
4005       begin
4006          if T then
4007             Write_Str ("[type ");
4008          else
4009             Write_Str ("[subtype ");
4010          end if;
4011
4012          Write_Name_With_Col_Check (Chars (Typ));
4013          Write_Str (" is ");
4014       end Write_Header;
4015
4016    --  Start of processing for Write_Itype
4017
4018    begin
4019       if Nkind (Typ) in N_Entity
4020         and then Is_Itype (Typ)
4021         and then not Itype_Printed (Typ)
4022       then
4023          --  Itype to be printed
4024
4025          declare
4026             B : constant Node_Id := Etype (Typ);
4027             X : Node_Id;
4028             P : constant Node_Id := Parent (Typ);
4029
4030             S : constant Saved_Output_Buffer := Save_Output_Buffer;
4031             --  Save current output buffer
4032
4033             Old_Sloc : Source_Ptr;
4034             --  Save sloc of related node, so it is not modified when
4035             --  printing with -gnatD.
4036
4037          begin
4038             --  Write indentation at start of line
4039
4040             for J in 1 .. Indent loop
4041                Write_Char (' ');
4042             end loop;
4043
4044             --  If we have a constructed declaration for the itype, print it
4045
4046             if Present (P)
4047               and then Nkind (P) in N_Declaration
4048               and then Defining_Entity (P) = Typ
4049             then
4050                --  We must set Itype_Printed true before the recursive call to
4051                --  print the node, otherwise we get an infinite recursion.
4052
4053                Set_Itype_Printed (Typ, True);
4054
4055                --  Write the declaration enclosed in [], avoiding new line
4056                --  at start of declaration, and semicolon at end.
4057
4058                --  Note: The itype may be imported from another unit, in which
4059                --  case we do not want to modify the Sloc of the declaration.
4060                --  Otherwise the itype may appear to be in the current unit,
4061                --  and the back-end will reject a reference out of scope.
4062
4063                Write_Char ('[');
4064                Indent_Annull_Flag := True;
4065                Old_Sloc := Sloc (P);
4066                Sprint_Node (P);
4067                Set_Sloc (P, Old_Sloc);
4068                Write_Erase_Char (';');
4069
4070             --  If no constructed declaration, then we have to concoct the
4071             --  source corresponding to the type entity that we have at hand.
4072
4073             else
4074                case Ekind (Typ) is
4075
4076                   --  Access types and subtypes
4077
4078                   when Access_Kind =>
4079                      Write_Header (Ekind (Typ) = E_Access_Type);
4080
4081                      if Can_Never_Be_Null (Typ) then
4082                         Write_Str ("not null ");
4083                      end if;
4084
4085                      Write_Str ("access ");
4086
4087                      if Is_Access_Constant (Typ) then
4088                         Write_Str ("constant ");
4089                      end if;
4090
4091                      Write_Id (Directly_Designated_Type (Typ));
4092
4093                   --  Array types and string types
4094
4095                   when E_Array_Type =>
4096                      Write_Header;
4097                      Write_Str ("array (");
4098
4099                      X := First_Index (Typ);
4100                      loop
4101                         Sprint_Node (X);
4102
4103                         if not Is_Constrained (Typ) then
4104                            Write_Str (" range <>");
4105                         end if;
4106
4107                         Next_Index (X);
4108                         exit when No (X);
4109                         Write_Str (", ");
4110                      end loop;
4111
4112                      Write_Str (") of ");
4113                      X := Component_Type (Typ);
4114
4115                      --  Preserve sloc of component type, which is defined
4116                      --  elsewhere than the itype (see comment above).
4117
4118                      Old_Sloc := Sloc (X);
4119                      Sprint_Node (X);
4120                      Set_Sloc (X, Old_Sloc);
4121
4122                      --  Array subtypes and string subtypes.
4123                      --  Preserve Sloc of index subtypes, as above.
4124
4125                   when E_Array_Subtype | E_String_Subtype =>
4126                      Write_Header (False);
4127                      Write_Id (Etype (Typ));
4128                      Write_Str (" (");
4129
4130                      X := First_Index (Typ);
4131                      loop
4132                         Old_Sloc := Sloc (X);
4133                         Sprint_Node (X);
4134                         Set_Sloc (X, Old_Sloc);
4135                         Next_Index (X);
4136                         exit when No (X);
4137                         Write_Str (", ");
4138                      end loop;
4139
4140                      Write_Char (')');
4141
4142                   --  Signed integer types, and modular integer subtypes,
4143                   --  and also enumeration subtypes.
4144
4145                   when E_Signed_Integer_Type     |
4146                        E_Signed_Integer_Subtype  |
4147                        E_Modular_Integer_Subtype |
4148                        E_Enumeration_Subtype     =>
4149
4150                      Write_Header (Ekind (Typ) = E_Signed_Integer_Type);
4151
4152                      if Ekind (Typ) = E_Signed_Integer_Type then
4153                         Write_Str ("new ");
4154                      end if;
4155
4156                      Write_Id (B);
4157
4158                      --  Print bounds if different from base type
4159
4160                      declare
4161                         L  : constant Node_Id := Type_Low_Bound (Typ);
4162                         H  : constant Node_Id := Type_High_Bound (Typ);
4163                         LE : Node_Id;
4164                         HE : Node_Id;
4165
4166                      begin
4167                         --  B can either be a scalar type, in which case the
4168                         --  declaration of Typ may constrain it with different
4169                         --  bounds, or a private type, in which case we know
4170                         --  that the declaration of Typ cannot have a scalar
4171                         --  constraint.
4172
4173                         if Is_Scalar_Type (B) then
4174                            LE := Type_Low_Bound (B);
4175                            HE := Type_High_Bound (B);
4176                         else
4177                            LE := Empty;
4178                            HE := Empty;
4179                         end if;
4180
4181                         if No (LE)
4182                           or else (True
4183                             and then Nkind (L) = N_Integer_Literal
4184                             and then Nkind (H) = N_Integer_Literal
4185                             and then Nkind (LE) = N_Integer_Literal
4186                             and then Nkind (HE) = N_Integer_Literal
4187                             and then UI_Eq (Intval (L), Intval (LE))
4188                             and then UI_Eq (Intval (H), Intval (HE)))
4189                         then
4190                            null;
4191
4192                         else
4193                            Write_Str (" range ");
4194                            Sprint_Node (Type_Low_Bound (Typ));
4195                            Write_Str (" .. ");
4196                            Sprint_Node (Type_High_Bound (Typ));
4197                         end if;
4198                      end;
4199
4200                   --  Modular integer types
4201
4202                   when E_Modular_Integer_Type =>
4203                      Write_Header;
4204                      Write_Str ("mod ");
4205                      Write_Uint_With_Col_Check (Modulus (Typ), Auto);
4206
4207                   --  Floating point types and subtypes
4208
4209                   when E_Floating_Point_Type    |
4210                        E_Floating_Point_Subtype =>
4211
4212                      Write_Header (Ekind (Typ) = E_Floating_Point_Type);
4213
4214                      if Ekind (Typ) = E_Floating_Point_Type then
4215                         Write_Str ("new ");
4216                      end if;
4217
4218                      Write_Id (Etype (Typ));
4219
4220                      if Digits_Value (Typ) /= Digits_Value (Etype (Typ)) then
4221                         Write_Str (" digits ");
4222                         Write_Uint_With_Col_Check
4223                           (Digits_Value (Typ), Decimal);
4224                      end if;
4225
4226                      --  Print bounds if not different from base type
4227
4228                      declare
4229                         L  : constant Node_Id := Type_Low_Bound (Typ);
4230                         H  : constant Node_Id := Type_High_Bound (Typ);
4231                         LE : constant Node_Id := Type_Low_Bound (B);
4232                         HE : constant Node_Id := Type_High_Bound (B);
4233
4234                      begin
4235                         if Nkind (L) = N_Real_Literal
4236                           and then Nkind (H) = N_Real_Literal
4237                           and then Nkind (LE) = N_Real_Literal
4238                           and then Nkind (HE) = N_Real_Literal
4239                           and then UR_Eq (Realval (L), Realval (LE))
4240                           and then UR_Eq (Realval (H), Realval (HE))
4241                         then
4242                            null;
4243
4244                         else
4245                            Write_Str (" range ");
4246                            Sprint_Node (Type_Low_Bound (Typ));
4247                            Write_Str (" .. ");
4248                            Sprint_Node (Type_High_Bound (Typ));
4249                         end if;
4250                      end;
4251
4252                   --  Record subtypes
4253
4254                   when E_Record_Subtype | E_Record_Subtype_With_Private =>
4255                      Write_Header (False);
4256                      Write_Str ("record");
4257                      Indent_Begin;
4258
4259                      declare
4260                         C : Entity_Id;
4261                      begin
4262                         C := First_Entity (Typ);
4263                         while Present (C) loop
4264                            Write_Indent;
4265                            Write_Id (C);
4266                            Write_Str (" : ");
4267                            Write_Id (Etype (C));
4268                            Next_Entity (C);
4269                         end loop;
4270                      end;
4271
4272                      Indent_End;
4273                      Write_Indent_Str (" end record");
4274
4275                   --  Class-Wide types
4276
4277                   when E_Class_Wide_Type    |
4278                        E_Class_Wide_Subtype =>
4279                      Write_Header (Ekind (Typ) = E_Class_Wide_Type);
4280                      Write_Name_With_Col_Check (Chars (Etype (Typ)));
4281                      Write_Str ("'Class");
4282
4283                   --  Subprogram types
4284
4285                   when E_Subprogram_Type =>
4286                      Write_Header;
4287
4288                      if Etype (Typ) = Standard_Void_Type then
4289                         Write_Str ("procedure");
4290                      else
4291                         Write_Str ("function");
4292                      end if;
4293
4294                      if Present (First_Entity (Typ)) then
4295                         Write_Str (" (");
4296
4297                         declare
4298                            Param : Entity_Id;
4299
4300                         begin
4301                            Param := First_Entity (Typ);
4302                            loop
4303                               Write_Id (Param);
4304                               Write_Str (" : ");
4305
4306                               if Ekind (Param) = E_In_Out_Parameter then
4307                                  Write_Str ("in out ");
4308                               elsif Ekind (Param) = E_Out_Parameter then
4309                                  Write_Str ("out ");
4310                               end if;
4311
4312                               Write_Id (Etype (Param));
4313                               Next_Entity (Param);
4314                               exit when No (Param);
4315                               Write_Str (", ");
4316                            end loop;
4317
4318                            Write_Char (')');
4319                         end;
4320                      end if;
4321
4322                      if Etype (Typ) /= Standard_Void_Type then
4323                         Write_Str (" return ");
4324                         Write_Id (Etype (Typ));
4325                      end if;
4326
4327                   when E_String_Literal_Subtype =>
4328                      declare
4329                         LB  : constant Uint :=
4330                                 Expr_Value (String_Literal_Low_Bound (Typ));
4331                         Len : constant Uint :=
4332                                 String_Literal_Length (Typ);
4333                      begin
4334                         Write_Header (False);
4335                         Write_Str ("String (");
4336                         Write_Int (UI_To_Int (LB));
4337                         Write_Str (" .. ");
4338                         Write_Int (UI_To_Int (LB + Len) - 1);
4339                         Write_Str (");");
4340                      end;
4341
4342                   --  For all other Itypes, print ??? (fill in later)
4343
4344                   when others =>
4345                      Write_Header (True);
4346                      Write_Str ("???");
4347
4348                end case;
4349             end if;
4350
4351             --  Add terminating bracket and restore output buffer
4352
4353             Write_Char (']');
4354             Write_Eol;
4355             Restore_Output_Buffer (S);
4356          end;
4357
4358          Set_Itype_Printed (Typ);
4359       end if;
4360    end Write_Itype;
4361
4362    -------------------------------
4363    -- Write_Name_With_Col_Check --
4364    -------------------------------
4365
4366    procedure Write_Name_With_Col_Check (N : Name_Id) is
4367       J : Natural;
4368       K : Natural;
4369       L : Natural;
4370
4371    begin
4372       Get_Name_String (N);
4373
4374       --  Deal with -gnatdI which replaces any sequence Cnnnb where C is an
4375       --  upper case letter, nnn is one or more digits and b is a lower case
4376       --  letter by C...b, so that listings do not depend on serial numbers.
4377
4378       if Debug_Flag_II then
4379          J := 1;
4380          while J < Name_Len - 1 loop
4381             if Name_Buffer (J) in 'A' .. 'Z'
4382               and then Name_Buffer (J + 1) in '0' .. '9'
4383             then
4384                K := J + 1;
4385                while K < Name_Len loop
4386                   exit when Name_Buffer (K) not in '0' .. '9';
4387                   K := K + 1;
4388                end loop;
4389
4390                if Name_Buffer (K) in 'a' .. 'z' then
4391                   L := Name_Len - K + 1;
4392
4393                   Name_Buffer (J + 4 .. J + L + 3) :=
4394                     Name_Buffer (K .. Name_Len);
4395                   Name_Buffer (J + 1 .. J + 3) := "...";
4396                   Name_Len := J + L + 3;
4397                   J := J + 5;
4398
4399                else
4400                   J := K;
4401                end if;
4402
4403             else
4404                J := J + 1;
4405             end if;
4406          end loop;
4407       end if;
4408
4409       --  Fall through for normal case
4410
4411       Write_Str_With_Col_Check (Name_Buffer (1 .. Name_Len));
4412    end Write_Name_With_Col_Check;
4413
4414    ------------------------------------
4415    -- Write_Name_With_Col_Check_Sloc --
4416    ------------------------------------
4417
4418    procedure Write_Name_With_Col_Check_Sloc (N : Name_Id) is
4419    begin
4420       Get_Name_String (N);
4421       Write_Str_With_Col_Check_Sloc (Name_Buffer (1 .. Name_Len));
4422    end Write_Name_With_Col_Check_Sloc;
4423
4424    --------------------
4425    -- Write_Operator --
4426    --------------------
4427
4428    procedure Write_Operator (N : Node_Id; S : String) is
4429       F : Natural := S'First;
4430       T : Natural := S'Last;
4431
4432    begin
4433       --  If no overflow check, just write string out, and we are done
4434
4435       if not Do_Overflow_Check (N) then
4436          Write_Str_Sloc (S);
4437
4438       --  If overflow check, we want to surround the operator with curly
4439       --  brackets, but not include spaces within the brackets.
4440
4441       else
4442          if S (F) = ' ' then
4443             Write_Char (' ');
4444             F := F + 1;
4445          end if;
4446
4447          if S (T) = ' ' then
4448             T := T - 1;
4449          end if;
4450
4451          Write_Char ('{');
4452          Write_Str_Sloc (S (F .. T));
4453          Write_Char ('}');
4454
4455          if S (S'Last) = ' ' then
4456             Write_Char (' ');
4457          end if;
4458       end if;
4459    end Write_Operator;
4460
4461    -----------------------
4462    -- Write_Param_Specs --
4463    -----------------------
4464
4465    procedure Write_Param_Specs (N : Node_Id) is
4466       Specs  : List_Id;
4467       Spec   : Node_Id;
4468       Formal : Node_Id;
4469
4470    begin
4471       Specs := Parameter_Specifications (N);
4472
4473       if Is_Non_Empty_List (Specs) then
4474          Write_Str_With_Col_Check (" (");
4475          Spec := First (Specs);
4476
4477          loop
4478             Sprint_Node (Spec);
4479             Formal := Defining_Identifier (Spec);
4480             Next (Spec);
4481             exit when Spec = Empty;
4482
4483             --  Add semicolon, unless we are printing original tree and the
4484             --  next specification is part of a list (but not the first element
4485             --  of that list).
4486
4487             if not Dump_Original_Only or else not Prev_Ids (Spec) then
4488                Write_Str ("; ");
4489             end if;
4490          end loop;
4491
4492          --  Write out any extra formals
4493
4494          while Present (Extra_Formal (Formal)) loop
4495             Formal := Extra_Formal (Formal);
4496             Write_Str ("; ");
4497             Write_Name_With_Col_Check (Chars (Formal));
4498             Write_Str (" : ");
4499             Write_Name_With_Col_Check (Chars (Etype (Formal)));
4500          end loop;
4501
4502          Write_Char (')');
4503       end if;
4504    end Write_Param_Specs;
4505
4506    -----------------------
4507    -- Write_Rewrite_Str --
4508    -----------------------
4509
4510    procedure Write_Rewrite_Str (S : String) is
4511    begin
4512       if not Dump_Generated_Only then
4513          if S'Length = 3 and then S = ">>>" then
4514             Write_Str (">>>");
4515          else
4516             Write_Str_With_Col_Check (S);
4517          end if;
4518       end if;
4519    end Write_Rewrite_Str;
4520
4521    -----------------------
4522    -- Write_Source_Line --
4523    -----------------------
4524
4525    procedure Write_Source_Line (L : Physical_Line_Number) is
4526       Loc : Source_Ptr;
4527       Src : Source_Buffer_Ptr;
4528       Scn : Source_Ptr;
4529
4530    begin
4531       if Dump_Source_Text then
4532          Src := Source_Text (Current_Source_File);
4533          Loc := Line_Start (L, Current_Source_File);
4534          Write_Eol;
4535
4536          --  See if line is a comment line, if not, and if not line one,
4537          --  precede with blank line.
4538
4539          Scn := Loc;
4540          while Src (Scn) = ' ' or else Src (Scn) = ASCII.HT loop
4541             Scn := Scn + 1;
4542          end loop;
4543
4544          if (Src (Scn) in Line_Terminator
4545               or else Src (Scn .. Scn + 1) /= "--")
4546            and then L /= 1
4547          then
4548             Write_Eol;
4549          end if;
4550
4551          --  Now write the source text of the line
4552
4553          Write_Str ("-- ");
4554          Write_Int (Int (L));
4555          Write_Str (": ");
4556
4557          while Src (Loc) not in Line_Terminator loop
4558             Write_Char (Src (Loc));
4559             Loc := Loc + 1;
4560          end loop;
4561       end if;
4562    end Write_Source_Line;
4563
4564    ------------------------
4565    -- Write_Source_Lines --
4566    ------------------------
4567
4568    procedure Write_Source_Lines (L : Physical_Line_Number) is
4569    begin
4570       while Last_Line_Printed < L loop
4571          Last_Line_Printed := Last_Line_Printed + 1;
4572          Write_Source_Line (Last_Line_Printed);
4573       end loop;
4574    end Write_Source_Lines;
4575
4576    --------------------
4577    -- Write_Str_Sloc --
4578    --------------------
4579
4580    procedure Write_Str_Sloc (S : String) is
4581    begin
4582       for J in S'Range loop
4583          Write_Char_Sloc (S (J));
4584       end loop;
4585    end Write_Str_Sloc;
4586
4587    ------------------------------
4588    -- Write_Str_With_Col_Check --
4589    ------------------------------
4590
4591    procedure Write_Str_With_Col_Check (S : String) is
4592    begin
4593       if Int (S'Last) + Column > Sprint_Line_Limit then
4594          Write_Indent_Str ("  ");
4595
4596          if S (S'First) = ' ' then
4597             Write_Str (S (S'First + 1 .. S'Last));
4598          else
4599             Write_Str (S);
4600          end if;
4601
4602       else
4603          Write_Str (S);
4604       end if;
4605    end Write_Str_With_Col_Check;
4606
4607    -----------------------------------
4608    -- Write_Str_With_Col_Check_Sloc --
4609    -----------------------------------
4610
4611    procedure Write_Str_With_Col_Check_Sloc (S : String) is
4612    begin
4613       if Int (S'Last) + Column > Sprint_Line_Limit then
4614          Write_Indent_Str ("  ");
4615
4616          if S (S'First) = ' ' then
4617             Write_Str_Sloc (S (S'First + 1 .. S'Last));
4618          else
4619             Write_Str_Sloc (S);
4620          end if;
4621
4622       else
4623          Write_Str_Sloc (S);
4624       end if;
4625    end Write_Str_With_Col_Check_Sloc;
4626
4627    ---------------------------
4628    -- Write_Subprogram_Name --
4629    ---------------------------
4630
4631    procedure Write_Subprogram_Name (N : Node_Id) is
4632    begin
4633       if not Comes_From_Source (N)
4634         and then Is_Entity_Name (N)
4635       then
4636          declare
4637             Ent : constant Entity_Id := Entity (N);
4638          begin
4639             if not In_Extended_Main_Source_Unit (Ent)
4640               and then
4641                 Is_Predefined_File_Name
4642                   (Unit_File_Name (Get_Source_Unit (Ent)))
4643             then
4644                --  Run-time routine name, output name with a preceding dollar
4645                --  making sure that we do not get a line split between them.
4646
4647                Col_Check (Length_Of_Name (Chars (Ent)) + 1);
4648                Write_Char ('$');
4649                Write_Name (Chars (Ent));
4650                return;
4651             end if;
4652          end;
4653       end if;
4654
4655       --  Normal case, not a run-time routine name
4656
4657       Sprint_Node (N);
4658    end Write_Subprogram_Name;
4659
4660    -------------------------------
4661    -- Write_Uint_With_Col_Check --
4662    -------------------------------
4663
4664    procedure Write_Uint_With_Col_Check (U : Uint; Format : UI_Format) is
4665    begin
4666       Col_Check (UI_Decimal_Digits_Hi (U));
4667       UI_Write (U, Format);
4668    end Write_Uint_With_Col_Check;
4669
4670    ------------------------------------
4671    -- Write_Uint_With_Col_Check_Sloc --
4672    ------------------------------------
4673
4674    procedure Write_Uint_With_Col_Check_Sloc (U : Uint; Format : UI_Format) is
4675    begin
4676       Col_Check (UI_Decimal_Digits_Hi (U));
4677       Set_Debug_Sloc;
4678       UI_Write (U, Format);
4679    end Write_Uint_With_Col_Check_Sloc;
4680
4681    -------------------------------------
4682    -- Write_Ureal_With_Col_Check_Sloc --
4683    -------------------------------------
4684
4685    procedure Write_Ureal_With_Col_Check_Sloc (U : Ureal) is
4686       D : constant Uint := Denominator (U);
4687       N : constant Uint := Numerator (U);
4688    begin
4689       Col_Check (UI_Decimal_Digits_Hi (D) + UI_Decimal_Digits_Hi (N) + 4);
4690       Set_Debug_Sloc;
4691       UR_Write (U, Brackets => True);
4692    end Write_Ureal_With_Col_Check_Sloc;
4693
4694 end Sprint;