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|
-- Display the code from the ortho debug tree.
-- Copyright (C) 2005 Tristan Gingold
--
-- GHDL is free software; you can redistribute it and/or modify it under
-- the terms of the GNU General Public License as published by the Free
-- Software Foundation; either version 2, or (at your option) any later
-- version.
--
-- GHDL is distributed in the hope that it will be useful, but WITHOUT ANY
-- WARRANTY; without even the implied warranty of MERCHANTABILITY or
-- FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
-- for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with GCC; see the file COPYING. If not, write to the Free
-- Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-- 02111-1307, USA.
package body Ortho_Debug.Disp is
Disp_All_Types : constant Boolean := False;
package Formated_Output is
use Interfaces.C_Streams;
type Disp_Context is limited private;
procedure Init_Context (File : FILEs);
-- Save the current context, and create a new one.
procedure Push_Context (File : FILEs; Prev_Ctx : out Disp_Context);
-- Restore a previous context, saved by Push_Context.
procedure Pop_Context (Prev_Ctx : Disp_Context);
procedure Put (Str : String);
procedure Put_Keyword (Str : String);
procedure Put_Line (Str : String);
-- Add a tabulation.
-- Every new line will start at this tabulation.
procedure Add_Tab;
-- Removed a tabulation.
-- The next new line will start at the previous tabulation.
procedure Rem_Tab;
-- Flush the current output.
procedure Flush;
-- Return TRUE if the ident level is nul.
function Is_Top return Boolean;
procedure Put_Tab;
procedure New_Line;
procedure Put (C : Character);
procedure Put_Trim (Str : String);
procedure Set_Mark;
-- Flush to disk. Only for debugging in case of crash.
procedure Flush_File;
pragma Unreferenced (Flush_File);
private
type Disp_Context is record
-- File where the info are written to.
File : FILEs;
-- Line number of the line to be written.
Lineno : Natural;
-- Buffer for the current line.
Line : String (1 .. 256);
-- Number of characters currently in the line.
Line_Len : Natural;
-- Current tabulation.
Tab : Natural;
-- Tabulation to be used for the next line.
Next_Tab : Natural;
Mark : Natural;
end record;
end Formated_Output;
package body Formated_Output is
-- The current context.
Ctx : Disp_Context;
procedure Init_Context (File : FILEs) is
begin
Ctx.File := File;
Ctx.Lineno := 1;
Ctx.Line_Len := 0;
Ctx.Tab := 0;
Ctx.Next_Tab := 0;
Ctx.Mark := 0;
end Init_Context;
procedure Push_Context (File : FILEs; Prev_Ctx : out Disp_Context)
is
begin
Prev_Ctx := Ctx;
Init_Context (File);
end Push_Context;
-- Restore a previous context, saved by Push_Context.
procedure Pop_Context (Prev_Ctx : Disp_Context) is
begin
Flush;
Ctx := Prev_Ctx;
end Pop_Context;
procedure Flush
is
Status : size_t;
Res : int;
pragma Unreferenced (Status, Res);
begin
if Ctx.Line_Len > 0 then
Status := fwrite (Ctx.Line'Address, size_t (Ctx.Line_Len), 1,
Ctx.File);
Res := fputc (Character'Pos (ASCII.Lf), Ctx.File);
Ctx.Line_Len := 0;
end if;
Ctx.Mark := 0;
end Flush;
function Is_Top return Boolean is
begin
return Ctx.Tab = 0;
end Is_Top;
procedure Put_Tab
is
Tab : Natural := Ctx.Next_Tab;
Max_Tab : constant Natural := 40;
begin
if Tab > Max_Tab then
-- Limit indentation length, to limit line length.
Tab := Max_Tab;
end if;
Ctx.Line (1 .. Tab) := (others => ' ');
Ctx.Line_Len := Tab;
Ctx.Next_Tab := Ctx.Tab + 2;
end Put_Tab;
procedure Put (Str : String) is
Saved : String (1 .. 80);
Len : Natural;
begin
if Ctx.Line_Len + Str'Length >= 80 then
if Ctx.Mark > 0 then
Len := Ctx.Line_Len - Ctx.Mark + 1;
Saved (1 .. Len) := Ctx.Line (Ctx.Mark .. Ctx.Line_Len);
Ctx.Line_Len := Ctx.Mark - 1;
Flush;
Put_Tab;
Ctx.Line (Ctx.Line_Len + 1 .. Ctx.Line_Len + Len) :=
Saved (1 .. Len);
Ctx.Line_Len := Ctx.Line_Len + Len;
else
Flush;
end if;
end if;
if Ctx.Line_Len = 0 then
Put_Tab;
end if;
Ctx.Line (Ctx.Line_Len + 1 .. Ctx.Line_Len + Str'Length) := Str;
Ctx.Line_Len := Ctx.Line_Len + Str'Length;
end Put;
procedure Put_Keyword (Str : String)
is
Kw : String (Str'Range);
begin
-- Convert to uppercase
for I in Str'Range loop
pragma Assert (Str (I) in 'a' .. 'z');
Kw (I) := Character'Val
(Character'Pos ('A')
+ Character'Pos (Str (I)) - Character'Pos ('a'));
end loop;
Put (Kw);
end Put_Keyword;
procedure Put_Trim (Str : String) is
begin
for I in Str'Range loop
if Str (I) /= ' ' then
Put (Str (I .. Str'Last));
return;
end if;
end loop;
end Put_Trim;
procedure Put_Line (Str : String) is
begin
Put (Str);
Flush;
Ctx.Next_Tab := Ctx.Tab;
end Put_Line;
procedure New_Line
is
Status : int;
pragma Unreferenced (Status);
begin
if Ctx.Line_Len > 0 then
Flush;
else
Status := fputc (Character'Pos (ASCII.LF), Ctx.File);
end if;
Ctx.Next_Tab := Ctx.Tab;
end New_Line;
procedure Put (C : Character)
is
S : constant String (1 .. 1) := (1 => C);
begin
Put (S);
end Put;
-- Add a tabulation.
-- Every new line will start at this tabulation.
procedure Add_Tab is
begin
Ctx.Tab := Ctx.Tab + 2;
Ctx.Next_Tab := Ctx.Tab;
end Add_Tab;
-- Removed a tabulation.
-- The next new line will start at the previous tabulation.
procedure Rem_Tab is
begin
Ctx.Tab := Ctx.Tab - 2;
Ctx.Next_Tab := Ctx.Tab;
end Rem_Tab;
procedure Set_Mark is
begin
Ctx.Mark := Ctx.Line_Len;
end Set_Mark;
procedure Flush_File is
Status : int;
pragma Unreferenced (Status);
begin
Flush;
Status := fflush (Ctx.File);
end Flush_File;
end Formated_Output;
use Formated_Output;
procedure Init_Context (File : Interfaces.C_Streams.FILEs) is
begin
Formated_Output.Init_Context (File);
end Init_Context;
procedure Disp_Enode (E : O_Enode; Etype : O_Tnode);
procedure Disp_Lnode (Node : O_Lnode);
procedure Disp_Gnode (Node : O_Gnode);
procedure Disp_Snode (First, Last : O_Snode);
procedure Disp_Dnode (Decl : O_Dnode);
procedure Disp_Tnode (Atype : O_Tnode; Full : Boolean);
procedure Disp_Ident (Id : O_Ident) is
begin
Put (Get_String (Id));
end Disp_Ident;
procedure Disp_Tnode_Name (Atype : O_Tnode) is
begin
Disp_Tnode (Atype, False);
end Disp_Tnode_Name;
procedure Disp_Dnode_Name (Decl : O_Dnode) is
begin
Disp_Ident (Decl.Name);
end Disp_Dnode_Name;
procedure Disp_Loop_Name (Stmt : O_Snode) is
begin
Put_Keyword ("loop");
Put (Natural'Image (Stmt.Loop_Level));
end Disp_Loop_Name;
function Get_Enode_Name (Kind : OE_Kind) return String
is
begin
case Kind is
-- when OE_Boolean_Lit =>
-- return "boolean_lit";
-- when OE_Unsigned_Lit =>
-- return "unsigned_lit";
-- when OE_Signed_Lit =>
-- return "signed lit";
-- when OE_Float_Lit =>
-- return "float lit";
-- when OE_Null_Lit =>
-- return "null lit";
-- when OE_Enum_Lit =>
-- return "enum lit";
-- when OE_Sizeof_Lit =>
-- return "sizeof lit";
-- when OE_Offsetof_Lit =>
-- return "offsetof lit";
-- when OE_Aggregate =>
-- return "aggregate";
-- when OE_Aggr_Element =>
-- return "aggr_element";
-- when OE_Union_Aggr =>
-- return "union aggr";
when OE_Lit =>
return "lit";
when OE_Add_Ov =>
return "+#";
when OE_Sub_Ov =>
return "-#";
when OE_Mul_Ov =>
return "*#";
when OE_Div_Ov =>
return "/#";
when OE_Rem_Ov =>
return "rem#";
when OE_Mod_Ov =>
return "mod#";
when OE_Exp_Ov =>
return "**#";
when OE_And =>
return "and";
when OE_Or =>
return "or";
when OE_Xor =>
return "xor";
when OE_Not =>
return "not";
when OE_Neg_Ov =>
return "-";
when OE_Abs_Ov =>
return "abs";
when OE_Eq =>
return "=";
when OE_Neq =>
return "/=";
when OE_Le =>
return "<=";
when OE_Lt =>
return "<";
when OE_Ge =>
return ">=";
when OE_Gt =>
return ">";
when OE_Function_Call =>
return "function call";
when OE_Convert_Ov =>
return "convert_ov";
when OE_Address =>
return "address";
when OE_Unchecked_Address =>
return "unchecked_address";
-- when OE_Subprogram_Address =>
-- return "subprg_address";
when OE_Alloca =>
return "alloca";
when OE_Value =>
return "value";
when OE_Nil =>
return "??";
end case;
end Get_Enode_Name;
function Get_Lnode_Name (Kind : OL_Kind) return String
is
begin
case Kind is
when OL_Obj =>
return "obj";
when OL_Indexed_Element =>
return "indexed_element";
when OL_Slice =>
return "slice";
when OL_Selected_Element =>
return "selected_element";
when OL_Access_Element =>
return "access_element";
-- when OL_Param_Ref =>
-- return "param_ref";
-- when OL_Var_Ref =>
-- return "var_ref";
-- when OL_Const_Ref =>
-- return "const_ref";
end case;
end Get_Lnode_Name;
pragma Unreferenced (Get_Lnode_Name);
procedure Disp_Enode_Name (Kind : OE_Kind) is
begin
Put (Get_Enode_Name (Kind));
end Disp_Enode_Name;
procedure Disp_Assoc_List (Head : O_Anode)
is
El : O_Anode;
begin
El := Head;
Put ("(");
if El /= null then
loop
Disp_Enode (El.Actual, El.Formal.Dtype);
El := El.Next;
exit when El = null;
Put (", ");
end loop;
end if;
Put (")");
end Disp_Assoc_List;
function Image (Lit : Integer) return String
is
S : constant String := Integer'Image (Lit);
begin
if S (1) = ' ' then
return S (2 .. S'Length);
else
return S;
end if;
end Image;
-- Disp STR as a literal for scalar type LIT_TYPE.
procedure Disp_Lit (Lit_Type : O_Tnode; Known : Boolean; Str : String) is
begin
if Known and not Disp_All_Types then
Put_Trim (Str);
else
Disp_Tnode_Name (Lit_Type);
Put ("'[");
Put_Trim (Str);
Put (']');
end if;
end Disp_Lit;
-- Display C. If CTYPE is set, this is the known type of C.
procedure Disp_Cnode (C : O_Cnode; Ctype : O_Tnode)
is
Known : constant Boolean := Ctype /= O_Tnode_Null;
begin
case C.Kind is
when OC_Unsigned_Lit =>
if False and then (C.U_Val >= Character'Pos(' ')
and C.U_Val <= Character'Pos ('~'))
then
Put (''');
Put (Character'Val (C.U_Val));
Put (''');
else
Disp_Lit (C.Ctype, Known, Unsigned_64'Image (C.U_Val));
end if;
when OC_Signed_Lit =>
Disp_Lit (C.Ctype, Known, Integer_64'Image (C.S_Val));
when OC_Float_Lit =>
Disp_Lit (C.Ctype, Known, IEEE_Float_64'Image (C.F_Val));
when OC_Boolean_Lit =>
-- Always disp the type of boolean literals.
Disp_Lit (C.Ctype, False, Get_String (C.B_Id));
when OC_Null_Lit =>
-- Always disp the type of null literals.
Disp_Tnode_Name (C.Ctype);
Put ("'[");
Put_Keyword ("null");
Put (']');
when OC_Default_Lit =>
-- Always disp the type of default literals.
Disp_Tnode_Name (C.Ctype);
Put ("'[");
Put_Keyword ("default");
Put (']');
when OC_Enum_Lit =>
-- Always disp the type of enum literals.
Disp_Lit (C.Ctype, False, Get_String (C.E_Name));
when OC_Sizeof_Lit =>
Disp_Tnode_Name (C.Ctype);
Put ("'sizeof (");
Disp_Tnode_Name (C.S_Type);
Put (")");
when OC_Alignof_Lit =>
Disp_Tnode_Name (C.Ctype);
Put ("'alignof (");
Disp_Tnode_Name (C.S_Type);
Put (")");
when OC_Offsetof_Lit =>
Disp_Tnode_Name (C.Ctype);
Put ("'offsetof (");
Disp_Tnode_Name (C.Off_Field.Parent);
Put (".");
Disp_Ident (C.Off_Field.Ident);
Put (")");
when OC_Aggregate =>
declare
El : O_Cnode;
El_Type : O_Tnode;
Field : O_Fnode;
begin
Put ('{');
El := C.Aggr_Els;
case C.Ctype.Kind is
when ON_Record_Type =>
Field := C.Ctype.Elements;
El_Type := Field.Ftype;
when ON_Array_Sub_Type =>
Field := null;
El_Type := C.Ctype.Base_Type.El_Type;
when others =>
raise Program_Error;
end case;
if El /= null then
loop
Set_Mark;
if Field /= null then
if Disp_All_Types then
Put ('.');
Disp_Ident (Field.Ident);
Put (" = ");
end if;
El_Type := Field.Ftype;
Field := Field.Next;
end if;
Disp_Cnode (El.Aggr_Value, El_Type);
El := El.Aggr_Next;
exit when El = null;
Put (", ");
end loop;
end if;
Put ('}');
end;
when OC_Aggr_Element =>
Disp_Cnode (C.Aggr_Value, Ctype);
when OC_Union_Aggr =>
Put ('{');
Put ('.');
Disp_Ident (C.Uaggr_Field.Ident);
Put (" = ");
Disp_Cnode (C.Uaggr_Value, C.Uaggr_Field.Ftype);
Put ('}');
when OC_Address =>
Disp_Tnode_Name (C.Ctype);
Put ("'address (");
Disp_Gnode (C.Addr_Global);
Put (")");
when OC_Unchecked_Address =>
Disp_Tnode_Name (C.Ctype);
Put ("'unchecked_address (");
Disp_Gnode (C.Addr_Global);
Put (")");
when OC_Subprogram_Address =>
Disp_Tnode_Name (C.Ctype);
Put ("'subprg_addr (");
Disp_Dnode_Name (C.Addr_Decl);
Put (")");
end case;
end Disp_Cnode;
-- Disp E whose expected type is ETYPE (may not be set).
procedure Disp_Enode (E : O_Enode; Etype : O_Tnode)
is
begin
case E.Kind is
when OE_Lit =>
Disp_Cnode (E.Lit, Etype);
when OE_Dyadic_Expr_Kind =>
Put ("(");
Disp_Enode (E.Left, O_Tnode_Null);
Put (' ');
case E.Kind is
when OE_Rem_Ov =>
Put_Keyword ("rem");
Put ('#');
when OE_Mod_Ov =>
Put_Keyword ("mod");
Put ('#');
when OE_And =>
Put_Keyword ("and");
when OE_Or =>
Put_Keyword ("or");
when OE_Xor =>
Put_Keyword ("xor");
when others =>
Disp_Enode_Name (E.Kind);
end case;
Put (' ');
Disp_Enode (E.Right, E.Left.Rtype);
Put (')');
when OE_Compare_Expr_Kind =>
Disp_Tnode_Name (E.Rtype);
Put ("'(");
Disp_Enode (E.Left, O_Tnode_Null);
Put (' ');
Disp_Enode_Name (E.Kind);
Put (' ');
Disp_Enode (E.Right, E.Left.Rtype);
Put (')');
when OE_Monadic_Expr_Kind =>
case E.Kind is
when OE_Not =>
Put_Keyword ("not");
when OE_Abs_Ov =>
Put_Keyword ("abs");
when others =>
Disp_Enode_Name (E.Kind);
end case;
if E.Kind /= OE_Neg_Ov then
Put (' ');
end if;
Disp_Enode (E.Operand, Etype);
when OE_Address =>
Disp_Tnode_Name (E.Rtype);
Put ("'address (");
Disp_Lnode (E.Lvalue);
Put (")");
when OE_Unchecked_Address =>
Disp_Tnode_Name (E.Rtype);
Put ("'unchecked_address (");
Disp_Lnode (E.Lvalue);
Put (")");
when OE_Convert_Ov =>
Disp_Tnode_Name (E.Rtype);
Put ("'conv (");
Disp_Enode (E.Conv, O_Tnode_Null);
Put (')');
when OE_Function_Call =>
Disp_Dnode_Name (E.Func);
Put (' ');
Disp_Assoc_List (E.Assoc);
when OE_Alloca =>
Disp_Tnode_Name (E.Rtype);
Put ("'alloca (");
Disp_Enode (E.A_Size, O_Tnode_Null);
Put (')');
when OE_Value =>
Disp_Lnode (E.Value);
when OE_Nil =>
null;
end case;
end Disp_Enode;
procedure Disp_Lnode (Node : O_Lnode) is
begin
case Node.Kind is
when OL_Obj =>
Disp_Dnode_Name (Node.Obj);
when OL_Access_Element =>
Disp_Enode (Node.Acc_Base, O_Tnode_Null);
Put (".");
Put_Keyword ("all");
when OL_Indexed_Element =>
Disp_Lnode (Node.Array_Base);
Put ('[');
Disp_Enode (Node.Index, O_Tnode_Null);
Put (']');
when OL_Slice =>
Disp_Lnode (Node.Slice_Base);
Put ('[');
Disp_Enode (Node.Slice_Index, O_Tnode_Null);
Put ("...]");
when OL_Selected_Element =>
Disp_Lnode (Node.Rec_Base);
Put ('.');
Disp_Ident (Node.Rec_El.Ident);
end case;
end Disp_Lnode;
procedure Disp_Gnode (Node : O_Gnode) is
begin
case Node.Kind is
when OG_Decl =>
Disp_Dnode_Name (Node.Decl);
when OG_Selected_Element =>
Disp_Gnode (Node.Rec_Base);
Put ('.');
Disp_Ident (Node.Rec_El.Ident);
end case;
end Disp_Gnode;
procedure Disp_Fnodes (First : O_Fnode)
is
El : O_Fnode;
begin
Add_Tab;
El := First;
while El /= null loop
Disp_Ident (El.Ident);
Put (": ");
Disp_Tnode (El.Ftype, False);
Put_Line (";");
El := El.Next;
end loop;
Rem_Tab;
end Disp_Fnodes;
procedure Disp_Tnode (Atype : O_Tnode; Full : Boolean) is
begin
if not Full and Atype.Decl /= null then
Disp_Ident (Atype.Decl.Name);
return;
end if;
case Atype.Kind is
when ON_Boolean_Type =>
Put_Keyword ("boolean");
Put (" {");
Disp_Ident (Atype.False_N.B_Id);
Put (", ");
Disp_Ident (Atype.True_N.B_Id);
Put ("}");
when ON_Unsigned_Type =>
Put_Keyword ("unsigned");
Put (" (");
Put_Trim (Natural'Image (Atype.Int_Size));
Put (")");
when ON_Signed_Type =>
Put_Keyword ("signed");
Put (" (");
Put_Trim (Natural'Image (Atype.Int_Size));
Put (")");
when ON_Float_Type =>
Put_Keyword ("float");
when ON_Enum_Type =>
declare
El : O_Cnode;
begin
Put_Keyword ("enum");
Put (" {");
El := Atype.Literals;
while El /= O_Cnode_Null loop
Set_Mark;
Disp_Ident (El.E_Name);
if False then
Put (" = ");
Put (Image (El.E_Val));
end if;
El := El.E_Next;
exit when El = O_Cnode_Null;
Put (", ");
end loop;
Put ("}");
end;
when ON_Array_Type =>
Put_Keyword ("array");
Put (" [");
Disp_Tnode (Atype.Index_Type, False);
Put ("] ");
Put_Keyword ("of");
Put (" ");
Disp_Tnode (Atype.El_Type, False);
when ON_Access_Type =>
Put_Keyword ("access");
Put (" ");
if Atype.D_Type /= O_Tnode_Null then
Disp_Tnode (Atype.D_Type, False);
end if;
when ON_Record_Type =>
Put_Keyword ("record");
New_Line;
Disp_Fnodes (Atype.Elements);
Put_Keyword ("end");
Put (" ");
Put_Keyword ("record");
when ON_Union_Type =>
Put_Keyword ("union");
New_Line;
Disp_Fnodes (Atype.Elements);
Put_Keyword ("end");
Put (" ");
Put_Keyword ("union");
when ON_Array_Sub_Type =>
Put_Keyword ("subarray");
Put (" ");
Disp_Tnode_Name (Atype.Base_Type);
Put ("[");
Disp_Cnode (Atype.Length, Atype.Base_Type.Index_Type);
Put ("]");
end case;
end Disp_Tnode;
procedure Disp_Storage_Name (Storage : O_Storage) is
begin
case Storage is
when O_Storage_External =>
Put_Keyword ("external");
when O_Storage_Public =>
Put_Keyword ("public");
when O_Storage_Private =>
Put_Keyword ("private");
when O_Storage_Local =>
Put_Keyword ("local");
end case;
end Disp_Storage_Name;
procedure Disp_Decls (Decls : O_Dnode)
is
El : O_Dnode;
begin
El := Decls;
while El /= null loop
Disp_Dnode (El);
El := El.Next;
if Is_Top then
-- NOTE: some declaration does not disp anything, so there may be
-- double new line.
New_Line;
end if;
end loop;
end Disp_Decls;
procedure Disp_Function_Decl (Decl : O_Dnode) is
begin
Disp_Storage_Name (Decl.Storage);
Put (" ");
if Decl.Dtype = null then
Put_Keyword ("procedure");
else
Put_Keyword ("function");
end if;
Put (" ");
Disp_Ident (Decl.Name);
Put_Line (" (");
Add_Tab;
declare
El : O_Dnode;
begin
El := Decl.Interfaces;
if El /= null then
loop
Disp_Dnode (El);
El := El.Next;
exit when El = null;
Put_Line (";");
end loop;
end if;
Put (")");
end;
if Decl.Dtype /= null then
New_Line;
Put_Keyword ("return");
Put (" ");
Disp_Tnode (Decl.Dtype, False);
end if;
Rem_Tab;
end Disp_Function_Decl;
procedure Disp_Dnode (Decl : O_Dnode) is
begin
case Decl.Kind is
when ON_Type_Decl =>
Put_Keyword ("type");
Put (" ");
Disp_Ident (Decl.Name);
Put (" ");
Put_Keyword ("is");
Put (" ");
if not Decl.Dtype.Uncomplete then
Disp_Tnode (Decl.Dtype, True);
else
case Decl.Dtype.Kind is
when ON_Record_Type =>
Put_Keyword ("record");
when ON_Access_Type =>
Put_Keyword ("access");
when others =>
raise Program_Error;
end case;
end if;
Put_Line (";");
when ON_Completed_Type_Decl =>
Put_Keyword ("type");
Put (" ");
Disp_Ident (Decl.Name);
Put (" ");
Put_Keyword ("is");
Put (" ");
Disp_Tnode (Decl.Dtype, True);
Put_Line (";");
when ON_Const_Decl =>
Disp_Storage_Name (Decl.Storage);
Put (" ");
Put_Keyword ("constant");
Put (" ");
Disp_Ident (Decl.Name);
Put (" : ");
Disp_Tnode_Name (Decl.Dtype);
Put_Line (";");
when ON_Init_Value =>
Put_Keyword ("constant");
Put (" ");
Disp_Ident (Decl.Name);
Put (" := ");
Disp_Cnode (Decl.Value, Decl.Dtype);
Put_Line (";");
when ON_Var_Decl =>
Disp_Storage_Name (Decl.Storage);
Put (" ");
Put_Keyword ("var");
Put (" ");
Disp_Ident (Decl.Name);
Put (" : ");
Disp_Tnode_Name (Decl.Dtype);
Put_Line (";");
when ON_Function_Decl =>
if Decl.Next = null or Decl.Next /= Decl.Func_Body then
-- This is a forward/external declaration.
Disp_Function_Decl (Decl);
Put_Line (";");
end if;
when ON_Function_Body =>
Disp_Function_Decl (Decl.Func_Decl);
New_Line;
Disp_Snode (Decl.Func_Stmt, Decl.Func_Stmt);
when ON_Interface_Decl =>
Disp_Ident (Decl.Name);
Put (": ");
Disp_Tnode (Decl.Dtype, False);
when ON_Debug_Line_Decl =>
Put_Line ("--#" & Natural'Image (Decl.Line));
when ON_Debug_Comment_Decl =>
Put_Line ("-- " & Decl.Comment.all);
when ON_Debug_Filename_Decl =>
Put_Line ("--F " & Decl.Filename.all);
end case;
end Disp_Dnode;
procedure Disp_Snode (First : O_Snode; Last : O_Snode) is
Stmt : O_Snode;
begin
Stmt := First;
loop
--if Stmt.Kind = ON_Elsif_Stmt or Stmt.Kind = ON_When_Stmt then
-- Put_Indent (Tab - 1);
--else
-- Put_Indent (Tab);
--end if;
case Stmt.Kind is
when ON_Declare_Stmt =>
Put_Keyword ("declare");
New_Line;
Add_Tab;
Disp_Decls (Stmt.Decls);
Rem_Tab;
Put_Keyword ("begin");
New_Line;
Add_Tab;
if Stmt.Stmts /= null then
Disp_Snode (Stmt.Stmts, null);
end if;
Rem_Tab;
Put_Keyword ("end");
Put_Line (";");
when ON_Assign_Stmt =>
Disp_Lnode (Stmt.Target);
Put (" := ");
Disp_Enode (Stmt.Value, Stmt.Target.Rtype);
Put_Line (";");
when ON_Return_Stmt =>
Put_Keyword ("return");
Put (" ");
if Stmt.Ret_Val /= null then
Disp_Enode (Stmt.Ret_Val, O_Tnode_Null);
end if;
Put_Line (";");
when ON_If_Stmt =>
Add_Tab;
Disp_Snode (Stmt.Next, Stmt.If_Last);
Stmt := Stmt.If_Last;
Rem_Tab;
Put_Keyword ("end");
Put (" ");
Put_Keyword ("if");
Put_Line (";");
when ON_Elsif_Stmt =>
Rem_Tab;
if Stmt.Cond = null then
Put_Keyword ("else");
New_Line;
else
if First = Stmt then
Put_Keyword ("if");
else
Put_Keyword ("elsif");
end if;
Put (" ");
Disp_Enode (Stmt.Cond, O_Tnode_Null);
Put (" ");
Put_Keyword ("then");
New_Line;
end if;
Add_Tab;
when ON_Loop_Stmt =>
Disp_Loop_Name (Stmt);
Put_Line (":");
Add_Tab;
Disp_Snode (Stmt.Next, Stmt.Loop_Last);
Stmt := Stmt.Loop_Last;
Rem_Tab;
Put_Keyword ("end");
Put (" ");
Put_Keyword ("loop");
Put_Line (";");
when ON_Exit_Stmt =>
Put_Keyword ("exit");
Put (" ");
Disp_Loop_Name (Stmt.Loop_Id);
Put_Line (";");
when ON_Next_Stmt =>
Put_Keyword ("next");
Put (" ");
Disp_Loop_Name (Stmt.Loop_Id);
Put_Line (";");
when ON_Case_Stmt =>
Put_Keyword ("case");
Put (" ");
Disp_Enode (Stmt.Selector, O_Tnode_Null);
Put (" ");
Put_Keyword ("is");
Put_Line ("");
Add_Tab;
Disp_Snode (Stmt.Next, Stmt.Case_Last);
Stmt := Stmt.Case_Last;
Rem_Tab;
Put_Keyword ("end");
Put (" ");
Put_Keyword ("case");
Put_Line (";");
when ON_When_Stmt =>
declare
Choice: O_Choice;
Choice_Type : constant O_Tnode :=
Stmt.Branch_Parent.Selector.Rtype;
begin
Rem_Tab;
Choice := Stmt.Choice_List;
Put_Keyword ("when");
Put (" ");
loop
case Choice.Kind is
when ON_Choice_Expr =>
Disp_Cnode (Choice.Expr, Choice_Type);
when ON_Choice_Range =>
Disp_Cnode (Choice.Low, Choice_Type);
Put (" ... ");
Disp_Cnode (Choice.High, Choice_Type);
when ON_Choice_Default =>
Put_Keyword ("default");
end case;
Choice := Choice.Next;
exit when Choice = null;
Put_Line (",");
Put (" ");
end loop;
Put_Line (" =>");
Add_Tab;
end;
when ON_Call_Stmt =>
Disp_Dnode_Name (Stmt.Proc);
Put (' ');
Disp_Assoc_List (Stmt.Assoc);
Put_Line (";");
when ON_Debug_Line_Stmt =>
Put_Line ("--#" & Natural'Image (Stmt.Line));
when ON_Debug_Comment_Stmt =>
Put_Line ("-- " & Stmt.Comment.all);
end case;
exit when Stmt = Last;
Stmt := Stmt.Next;
exit when Stmt = null and Last = null;
end loop;
end Disp_Snode;
procedure Disp_Ortho (Decls : O_Snode) is
begin
Disp_Decls (Decls.Decls);
Flush;
end Disp_Ortho;
procedure Disp_Tnode_Decl (N : O_Tnode) is
begin
Disp_Ident (N.Decl.Name);
Put (" : ");
Disp_Tnode (N, True);
end Disp_Tnode_Decl;
procedure Debug_Tnode (N : O_Tnode)
is
Ctx : Disp_Context;
begin
Push_Context (Interfaces.C_Streams.stdout, Ctx);
Disp_Tnode_Decl (N);
Pop_Context (Ctx);
end Debug_Tnode;
procedure Debug_Enode (N : O_Enode)
is
Ctx : Disp_Context;
begin
Push_Context (Interfaces.C_Streams.stdout, Ctx);
Disp_Enode (N, O_Tnode_Null);
Put (" : ");
Disp_Tnode_Decl (N.Rtype);
Pop_Context (Ctx);
end Debug_Enode;
procedure Debug_Fnode (N : O_Fnode)
is
Ctx : Disp_Context;
begin
Push_Context (Interfaces.C_Streams.stdout, Ctx);
Disp_Ident (N.Ident);
Put (": ");
Disp_Tnode (N.Ftype, False);
Pop_Context (Ctx);
end Debug_Fnode;
procedure Debug_Dnode (N : O_Dnode)
is
Ctx : Disp_Context;
begin
Push_Context (Interfaces.C_Streams.stdout, Ctx);
Disp_Dnode (N);
Pop_Context (Ctx);
end Debug_Dnode;
procedure Debug_Lnode (N : O_Lnode)
is
Ctx : Disp_Context;
begin
Push_Context (Interfaces.C_Streams.stdout, Ctx);
Disp_Lnode (N);
Put (" : ");
Disp_Tnode_Decl (N.Rtype);
Pop_Context (Ctx);
end Debug_Lnode;
procedure Debug_Snode (N : O_Snode)
is
Ctx : Disp_Context;
begin
Push_Context (Interfaces.C_Streams.stdout, Ctx);
Disp_Snode (N, null);
Pop_Context (Ctx);
end Debug_Snode;
pragma Unreferenced (Debug_Tnode, Debug_Enode, Debug_Fnode,
Debug_Dnode, Debug_Lnode, Debug_Snode);
end Ortho_Debug.Disp;
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