/usr/share/ada/adainclude/gpr/gpr-erroutc.adb is in libgpr1-dev 2017-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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-- --
-- GPR PROJECT MANAGER --
-- --
-- Copyright (C) 1992-2015, Free Software Foundation, Inc. --
-- --
-- This library is free software; you can redistribute it and/or modify it --
-- under terms of the GNU General Public License as published by the Free --
-- Software Foundation; either version 3, or (at your option) any later --
-- version. This library is distributed in the hope that it will be useful, --
-- but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHAN- --
-- TABILITY or FITNESS FOR A PARTICULAR PURPOSE. --
-- --
-- --
-- --
-- --
-- --
-- You should have received a copy of the GNU General Public License and --
-- a copy of the GCC Runtime Library Exception along with this program; --
-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
-- <http://www.gnu.org/licenses/>. --
-- --
------------------------------------------------------------------------------
with Interfaces; use Interfaces;
pragma Warnings (Off);
with System.WCh_Con; use System.WCh_Con;
pragma Warnings (On);
with GPR.Names; use GPR.Names;
with GPR.Opt; use GPR.Opt;
with GPR.Output; use GPR.Output;
with GPR.Sinput; use GPR.Sinput;
package body GPR.Erroutc is
type UTF_32_Code is range 0 .. 16#7FFF_FFFF#;
for UTF_32_Code'Size use 32;
-- Range of allowed UTF-32 encoding values
function Same_Error (M1, M2 : Error_Msg_Id) return Boolean;
-- See if two messages have the same text. Returns true if the text of the
-- two messages is identical, or if one of them is the same as the other
-- with an appended "instance at xxx" tag.
procedure Set_Msg_Blank;
-- Sets a single blank in the message if the preceding character is a
-- non-blank character other than a left parenthesis or minus. Has no
-- effect if manual quote mode is turned on.
procedure Set_Msg_Blank_Conditional;
-- Sets a single blank in the message if the preceding character is a
-- non-blank character other than a left parenthesis or quote. Has no
-- effect if manual quote mode is turned on.
procedure Set_Msg_Name_Buffer;
-- Output name from Name_Buffer, with surrounding quotes unless manual
-- quotation mode is in effect.
procedure Set_Msg_Quote;
-- Set quote if in normal quote mode, nothing if in manual quote mode
procedure Set_Next_Non_Deleted_Msg (E : in out Error_Msg_Id);
-- Given a message id, move to next message id, but skip any deleted
-- messages, so that this results in E on output being the first non-
-- deleted message following the input value of E, or No_Error_Msg if
-- the input value of E was either already No_Error_Msg, or was the
-- last non-deleted message.
procedure Skip_Wide (S : Source_Buffer_Ptr; P : in out Source_Ptr);
-- Similar to the above procedure, but operates on a source buffer
-- instead of a string, with P being a Source_Ptr referencing the
-- contents of the source buffer.
procedure Write_Spaces (N : Nat);
-- Write N spaces
-----------------------------
-- Check_Duplicate_Message --
-----------------------------
procedure Check_Duplicate_Message (M1, M2 : Error_Msg_Id) is
L1, L2 : Error_Msg_Id;
N1, N2 : Error_Msg_Id;
procedure Delete_Msg (Delete, Keep : Error_Msg_Id);
-- Called to delete message Delete, keeping message Keep. Marks msg
-- Delete and all its continuations with deleted flag set to True.
-- Also makes sure that for the error messages that are retained the
-- preferred message is the one retained (we prefer the shorter one in
-- the case where one has an Instance tag). Note that we always know
-- that Keep has at least as many continuations as Delete (since we
-- always delete the shorter sequence).
----------------
-- Delete_Msg --
----------------
procedure Delete_Msg (Delete, Keep : Error_Msg_Id) is
D, K : Error_Msg_Id;
begin
D := Delete;
K := Keep;
loop
Errors.Table (D).Deleted := True;
-- Adjust error message count
if Errors.Table (D).Warn then
Warnings_Detected := Warnings_Detected - 1;
if Errors.Table (D).Info then
Info_Messages := Info_Messages - 1;
end if;
-- Note: we do not need to decrement Warnings_Treated_As_Errors
-- because this only gets incremented if we actually output the
-- message, which we won't do if we are deleting it here!
else
Total_Errors_Detected := Total_Errors_Detected - 1;
if Errors.Table (D).Serious then
Serious_Errors_Detected := Serious_Errors_Detected - 1;
end if;
end if;
-- Substitute shorter of the two error messages
if Errors.Table (K).Text'Length > Errors.Table (D).Text'Length then
Errors.Table (K).Text := Errors.Table (D).Text;
end if;
D := Errors.Table (D).Next;
K := Errors.Table (K).Next;
if D = No_Error_Msg or else not Errors.Table (D).Msg_Cont then
return;
end if;
end loop;
end Delete_Msg;
-- Start of processing for Check_Duplicate_Message
begin
-- Both messages must be non-continuation messages and not deleted
if Errors.Table (M1).Msg_Cont
or else Errors.Table (M2).Msg_Cont
or else Errors.Table (M1).Deleted
or else Errors.Table (M2).Deleted
then
return;
end if;
-- Definitely not equal if message text does not match
if not Same_Error (M1, M2) then
return;
end if;
-- Same text. See if all continuations are also identical
L1 := M1;
L2 := M2;
loop
N1 := Errors.Table (L1).Next;
N2 := Errors.Table (L2).Next;
-- If M1 continuations have run out, we delete M1, either the
-- messages have the same number of continuations, or M2 has
-- more and we prefer the one with more anyway.
if N1 = No_Error_Msg or else not Errors.Table (N1).Msg_Cont then
Delete_Msg (M1, M2);
return;
-- If M2 continuations have run out, we delete M2
elsif N2 = No_Error_Msg or else not Errors.Table (N2).Msg_Cont then
Delete_Msg (M2, M1);
return;
-- Otherwise see if continuations are the same, if not, keep both
-- sequences, a curious case, but better to keep everything.
elsif not Same_Error (N1, N2) then
return;
-- If continuations are the same, continue scan
else
L1 := N1;
L2 := N2;
end if;
end loop;
end Check_Duplicate_Message;
------------------------
-- Compilation_Errors --
------------------------
function Compilation_Errors return Boolean is
begin
return Total_Errors_Detected /= 0
or else (Warnings_Detected - Info_Messages /= 0
and then Warning_Mode = Treat_As_Error)
or else Warnings_Treated_As_Errors /= 0;
end Compilation_Errors;
------------------
-- Get_Location --
------------------
function Get_Location (E : Error_Msg_Id) return Source_Ptr is
begin
return Errors.Table (E).Sptr;
end Get_Location;
----------------
-- Get_Msg_Id --
----------------
function Get_Msg_Id return Error_Msg_Id is
begin
return Cur_Msg;
end Get_Msg_Id;
---------------------------
-- Is_Start_Of_Wide_Char --
---------------------------
function Is_Start_Of_Wide_Char
(S : Source_Buffer_Ptr;
P : Source_Ptr) return Boolean
is
begin
case Wide_Character_Encoding_Method is
-- For Hex mode, just test for an ESC character. The ESC character
-- cannot appear in any other context in a legal Ada program.
when WCEM_Hex =>
return S (P) = ASCII.ESC;
-- For brackets, just test ["x where x is a hex character. This is
-- sufficient test, since this sequence cannot otherwise appear in a
-- legal Ada program.
when WCEM_Brackets =>
return P <= S'Last - 2
and then S (P) = '['
and then S (P + 1) = '"'
and then (S (P + 2) in '0' .. '9'
or else
S (P + 2) in 'a' .. 'f'
or else
S (P + 2) in 'A' .. 'F');
-- All other encoding methods use the upper bit set in the first
-- character to uniquely represent a wide character.
when WCEM_Upper |
WCEM_Shift_JIS |
WCEM_EUC |
WCEM_UTF8 =>
return S (P) >= Character'Val (16#80#);
end case;
end Is_Start_Of_Wide_Char;
-----------------------
-- Output_Error_Msgs --
-----------------------
procedure Output_Error_Msgs (E : in out Error_Msg_Id) is
P : Source_Ptr;
T : Error_Msg_Id;
S : Error_Msg_Id;
Flag_Num : Pos;
Mult_Flags : Boolean := False;
begin
S := E;
-- Figure out if we will place more than one error flag on this line
T := S;
while T /= No_Error_Msg
and then Errors.Table (T).Line = Errors.Table (E).Line
and then Errors.Table (T).Sfile = Errors.Table (E).Sfile
loop
if Errors.Table (T).Sptr > Errors.Table (E).Sptr then
Mult_Flags := True;
end if;
Set_Next_Non_Deleted_Msg (T);
end loop;
-- Output the error flags. The circuit here makes sure that the tab
-- characters in the original line are properly accounted for. The
-- eight blanks at the start are to match the line number.
Write_Str (" ");
P := Line_Start (Errors.Table (E).Sptr);
Flag_Num := 1;
-- Loop through error messages for this line to place flags
T := S;
while T /= No_Error_Msg
and then Errors.Table (T).Line = Errors.Table (E).Line
and then Errors.Table (T).Sfile = Errors.Table (E).Sfile
loop
declare
Src : Source_Buffer_Ptr
renames Source_Text (Errors.Table (T).Sfile);
begin
-- Loop to output blanks till current flag position
while P < Errors.Table (T).Sptr loop
-- Horizontal tab case, just echo the tab
if Src (P) = ASCII.HT then
Write_Char (ASCII.HT);
P := P + 1;
-- Deal with wide character case, but don't include brackets
-- notation in this circuit, since we know that this will
-- display unencoded (no one encodes brackets notation).
elsif Src (P) /= '['
and then Is_Start_Of_Wide_Char (Src, P)
then
Skip_Wide (Src, P);
Write_Char (' ');
-- Normal non-wide character case (or bracket)
else
P := P + 1;
Write_Char (' ');
end if;
end loop;
-- Output flag (unless already output, this happens if more
-- than one error message occurs at the same flag position).
if P = Errors.Table (T).Sptr then
if (Flag_Num = 1 and then not Mult_Flags)
or else Flag_Num > 9
then
Write_Char ('|');
else
Write_Char (Character'Val (Character'Pos ('0') + Flag_Num));
end if;
-- Skip past the corresponding source text character
-- Horizontal tab case, we output a flag at the tab position
-- so now we output a tab to match up with the text.
if Src (P) = ASCII.HT then
Write_Char (ASCII.HT);
P := P + 1;
-- Skip wide character other than left bracket
elsif Src (P) /= '['
and then Is_Start_Of_Wide_Char (Src, P)
then
Skip_Wide (Src, P);
-- Skip normal non-wide character case (or bracket)
else
P := P + 1;
end if;
end if;
end;
Set_Next_Non_Deleted_Msg (T);
Flag_Num := Flag_Num + 1;
end loop;
Write_Eol;
-- Now output the error messages
T := S;
while T /= No_Error_Msg
and then Errors.Table (T).Line = Errors.Table (E).Line
and then Errors.Table (T).Sfile = Errors.Table (E).Sfile
loop
Write_Str (" >>> ");
Output_Msg_Text (T);
Write_Eol;
Set_Next_Non_Deleted_Msg (T);
end loop;
E := T;
end Output_Error_Msgs;
------------------------
-- Output_Line_Number --
------------------------
procedure Output_Line_Number (L : Line_Number) is
D : Int; -- next digit
C : Character; -- next character
Z : Boolean; -- flag for zero suppress
N, M : Int; -- temporaries
begin
if L = No_Line_Number then
Write_Str (" ");
else
Z := False;
N := Int (L);
M := 100_000;
while M /= 0 loop
D := Int (N / M);
N := N rem M;
M := M / 10;
if D = 0 then
if Z then
C := '0';
else
C := ' ';
end if;
else
Z := True;
C := Character'Val (D + 48);
end if;
Write_Char (C);
end loop;
Write_Str (". ");
end if;
end Output_Line_Number;
---------------------
-- Output_Msg_Text --
---------------------
procedure Output_Msg_Text (E : Error_Msg_Id) is
Offs : constant Nat := Column - 1;
-- Offset to start of message, used for continuations
Txt : String_Access := Errors.Table (E).Text;
begin
-- Deal with warning case
if Errors.Table (E).Warn then
-- For info messages, prefix message with "info: "
if Errors.Table (E).Info then
Txt := new String'("info: " & Txt.all);
-- Warning treated as error
elsif Errors.Table (E).Warn_Err then
-- We prefix with "error:" rather than warning: and postfix
-- [warning-as-error] at the end.
Warnings_Treated_As_Errors := Warnings_Treated_As_Errors + 1;
Txt := new String'("error: " & Txt.all & " [warning-as-error]");
-- Normal case, prefix with "warning: "
else
Txt := new String'("warning: " & Txt.all);
end if;
end if;
-- Here we have to split the message up into multiple lines
for J in 1 .. Txt'Length loop
if Txt (J) = ASCII.LF then
Write_Eol;
Write_Spaces (Offs);
else
Write_Char (Txt (J));
end if;
end loop;
end Output_Msg_Text;
----------------
-- Same_Error --
----------------
function Same_Error (M1, M2 : Error_Msg_Id) return Boolean is
Msg1 : constant String_Access := Errors.Table (M1).Text;
Msg2 : constant String_Access := Errors.Table (M2).Text;
Msg2_Len : constant Integer := Msg2'Length;
Msg1_Len : constant Integer := Msg1'Length;
begin
return
Msg1.all = Msg2.all
or else
(Msg1_Len - 10 > Msg2_Len
and then
Msg2.all = Msg1.all (1 .. Msg2_Len)
and then
Msg1 (Msg2_Len + 1 .. Msg2_Len + 10) = ", instance")
or else
(Msg2_Len - 10 > Msg1_Len
and then
Msg1.all = Msg2.all (1 .. Msg1_Len)
and then
Msg2 (Msg1_Len + 1 .. Msg1_Len + 10) = ", instance");
end Same_Error;
-------------------
-- Set_Msg_Blank --
-------------------
procedure Set_Msg_Blank is
begin
if Msglen > 0
and then Msg_Buffer (Msglen) /= ' '
and then Msg_Buffer (Msglen) /= '('
and then Msg_Buffer (Msglen) /= '-'
and then not Manual_Quote_Mode
then
Set_Msg_Char (' ');
end if;
end Set_Msg_Blank;
-------------------------------
-- Set_Msg_Blank_Conditional --
-------------------------------
procedure Set_Msg_Blank_Conditional is
begin
if Msglen > 0
and then Msg_Buffer (Msglen) /= ' '
and then Msg_Buffer (Msglen) /= '('
and then Msg_Buffer (Msglen) /= '"'
and then not Manual_Quote_Mode
then
Set_Msg_Char (' ');
end if;
end Set_Msg_Blank_Conditional;
------------------
-- Set_Msg_Char --
------------------
procedure Set_Msg_Char (C : Character) is
begin
-- The check for message buffer overflow is needed to deal with cases
-- where insertions get too long (in particular a child unit name can
-- be very long).
if Msglen < Max_Msg_Length then
Msglen := Msglen + 1;
Msg_Buffer (Msglen) := C;
end if;
end Set_Msg_Char;
---------------------------------
-- Set_Msg_Insertion_File_Name --
---------------------------------
procedure Set_Msg_Insertion_File_Name is
begin
if Error_Msg_File_1 = No_File then
null;
elsif Error_Msg_File_1 = Error_File_Name then
Set_Msg_Blank;
Set_Msg_Str ("<error>");
else
Set_Msg_Blank;
Get_Name_String (Error_Msg_File_1);
Set_Msg_Quote;
Set_Msg_Name_Buffer;
Set_Msg_Quote;
end if;
-- The following assignments ensure that the second { insertion
-- characters will correspond to the Error_Msg_File_2.
Error_Msg_File_1 := Error_Msg_File_2;
end Set_Msg_Insertion_File_Name;
----------------------------
-- Set_Msg_Insertion_Name --
----------------------------
procedure Set_Msg_Insertion_Name is
begin
if Error_Msg_Name_1 = No_Name then
null;
elsif Error_Msg_Name_1 = Error_Name then
Set_Msg_Blank;
Set_Msg_Str ("<error>");
else
Set_Msg_Blank_Conditional;
Get_Name_String (Error_Msg_Name_1);
-- Remove upper case letter at end, again, we should not be getting
-- such names, and what we hope is that the remainder makes sense.
if Name_Len > 1 and then Name_Buffer (Name_Len) in 'A' .. 'Z' then
Name_Len := Name_Len - 1;
end if;
-- If operator name or character literal name, just print it as is
-- Also print as is if it ends in a right paren (case of x'val(nnn))
if Name_Buffer (1) = '"'
or else Name_Buffer (1) = '''
or else Name_Buffer (Name_Len) = ')'
then
Set_Msg_Name_Buffer;
-- Else output with surrounding quotes in proper casing mode
else
Set_Casing (Mixed_Case);
Set_Msg_Quote;
Set_Msg_Name_Buffer;
Set_Msg_Quote;
end if;
end if;
Error_Msg_Name_1 := Error_Msg_Name_2;
end Set_Msg_Insertion_Name;
------------------------------------
-- Set_Msg_Insertion_Name_Literal --
------------------------------------
procedure Set_Msg_Insertion_Name_Literal is
begin
if Error_Msg_Name_1 = No_Name then
null;
elsif Error_Msg_Name_1 = Error_Name then
Set_Msg_Blank;
Set_Msg_Str ("<error>");
else
Set_Msg_Blank;
Get_Name_String (Error_Msg_Name_1);
Set_Msg_Quote;
Set_Msg_Name_Buffer;
Set_Msg_Quote;
end if;
Error_Msg_Name_1 := Error_Msg_Name_2;
end Set_Msg_Insertion_Name_Literal;
-------------------------------------
-- Set_Msg_Insertion_Reserved_Name --
-------------------------------------
procedure Set_Msg_Insertion_Reserved_Name is
begin
Set_Msg_Blank_Conditional;
Get_Name_String (Error_Msg_Name_1);
Set_Msg_Quote;
Set_Casing (All_Lower_Case);
Set_Msg_Name_Buffer;
Set_Msg_Quote;
end Set_Msg_Insertion_Reserved_Name;
-------------------------------------
-- Set_Msg_Insertion_Reserved_Word --
-------------------------------------
procedure Set_Msg_Insertion_Reserved_Word
(Text : String;
J : in out Integer)
is
begin
Set_Msg_Blank_Conditional;
Name_Len := 0;
while J <= Text'Last and then Text (J) in 'A' .. 'Z' loop
Add_Char_To_Name_Buffer (Text (J));
J := J + 1;
end loop;
-- Here is where we make the special exception for RM
if Name_Len = 2 and then Name_Buffer (1 .. 2) = "RM" then
Set_Msg_Name_Buffer;
-- We make a similar exception for SPARK
elsif Name_Len = 5 and then Name_Buffer (1 .. 5) = "SPARK" then
Set_Msg_Name_Buffer;
-- Neither RM nor SPARK: case appropriately and add surrounding quotes
else
Set_Casing (All_Lower_Case);
Set_Msg_Quote;
Set_Msg_Name_Buffer;
Set_Msg_Quote;
end if;
end Set_Msg_Insertion_Reserved_Word;
-------------------------
-- Set_Msg_Name_Buffer --
-------------------------
procedure Set_Msg_Name_Buffer is
begin
Set_Msg_Str (Name_Buffer (1 .. Name_Len));
end Set_Msg_Name_Buffer;
-------------------
-- Set_Msg_Quote --
-------------------
procedure Set_Msg_Quote is
begin
if not Manual_Quote_Mode then
Set_Msg_Char ('"');
end if;
end Set_Msg_Quote;
-----------------
-- Set_Msg_Str --
-----------------
procedure Set_Msg_Str (Text : String) is
begin
for J in Text'Range loop
Set_Msg_Char (Text (J));
end loop;
end Set_Msg_Str;
------------------------------
-- Set_Next_Non_Deleted_Msg --
------------------------------
procedure Set_Next_Non_Deleted_Msg (E : in out Error_Msg_Id) is
begin
if E = No_Error_Msg then
return;
else
loop
E := Errors.Table (E).Next;
exit when E = No_Error_Msg or else not Errors.Table (E).Deleted;
end loop;
end if;
end Set_Next_Non_Deleted_Msg;
---------------
-- Skip_Wide --
---------------
procedure Skip_Wide (S : Source_Buffer_Ptr; P : in out Source_Ptr) is
B1 : Unsigned_32;
C1 : Character;
U : Unsigned_32;
W : Unsigned_32;
procedure Get_Hex (N : Character);
-- If N is a hex character, then set B1 to 16 * B1 + character N.
-- Raise Constraint_Error if character N is not a hex character.
procedure Get_UTF_Byte;
pragma Inline (Get_UTF_Byte);
-- Used to interpret a 2#10xxxxxx# continuation byte in UTF-8 mode.
-- Reads a byte, and raises CE if the first two bits are not 10.
-- Otherwise shifts W 6 bits left and or's in the 6 xxxxxx bits.
function Skip_Char return Character;
-- Function to skip one character of wide character escape sequence
-------------
-- Get_Hex --
-------------
procedure Get_Hex (N : Character) is
B2 : constant Unsigned_32 := Character'Pos (N);
begin
if B2 in Character'Pos ('0') .. Character'Pos ('9') then
B1 := B1 * 16 + B2 - Character'Pos ('0');
elsif B2 in Character'Pos ('A') .. Character'Pos ('F') then
B1 := B1 * 16 + B2 - (Character'Pos ('A') - 10);
elsif B2 in Character'Pos ('a') .. Character'Pos ('f') then
B1 := B1 * 16 + B2 - (Character'Pos ('a') - 10);
else
raise Constraint_Error;
end if;
end Get_Hex;
------------------
-- Get_UTF_Byte --
------------------
procedure Get_UTF_Byte is
begin
U := Unsigned_32 (Character'Pos (Skip_Char));
if (U and 2#11000000#) /= 2#10_000000# then
raise Constraint_Error;
end if;
W := Shift_Left (W, 6) or (U and 2#00111111#);
end Get_UTF_Byte;
---------------
-- Skip_Char --
---------------
function Skip_Char return Character is
begin
P := P + 1;
return S (P - 1);
end Skip_Char;
-- Start of processing for Skip_Wide
C : constant Character := Skip_Char;
begin
case Wide_Character_Encoding_Method is
when WCEM_Hex =>
if C /= ASCII.ESC then
null;
else
B1 := 0;
Get_Hex (Skip_Char);
Get_Hex (Skip_Char);
Get_Hex (Skip_Char);
Get_Hex (Skip_Char);
end if;
when WCEM_Upper | WCEM_Shift_JIS | WCEM_EUC =>
null;
when WCEM_UTF8 =>
-- Note: for details of UTF8 encoding see RFC 3629
U := Unsigned_32 (Character'Pos (C));
-- 16#00_0000#-16#00_007F#: 0xxxxxxx
if (U and 2#10000000#) = 2#00000000# then
null;
-- 16#00_0080#-16#00_07FF#: 110xxxxx 10xxxxxx
elsif (U and 2#11100000#) = 2#110_00000# then
Get_UTF_Byte;
-- 16#00_0800#-16#00_ffff#: 1110xxxx 10xxxxxx 10xxxxxx
elsif (U and 2#11110000#) = 2#1110_0000# then
Get_UTF_Byte;
Get_UTF_Byte;
-- 16#01_0000#-16#10_FFFF#: 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx
elsif (U and 2#11111000#) = 2#11110_000# then
for K in 1 .. 3 loop
Get_UTF_Byte;
end loop;
-- 16#0020_0000#-16#03FF_FFFF#: 111110xx 10xxxxxx 10xxxxxx
-- 10xxxxxx 10xxxxxx
elsif (U and 2#11111100#) = 2#111110_00# then
for K in 1 .. 4 loop
Get_UTF_Byte;
end loop;
-- 16#0400_0000#-16#7FFF_FFFF#: 1111110x 10xxxxxx 10xxxxxx
-- 10xxxxxx 10xxxxxx 10xxxxxx
elsif (U and 2#11111110#) = 2#1111110_0# then
for K in 1 .. 5 loop
Get_UTF_Byte;
end loop;
else
raise Constraint_Error;
end if;
when WCEM_Brackets =>
if C = '[' then
if Skip_Char /= '"' then
raise Constraint_Error;
end if;
B1 := 0;
Get_Hex (Skip_Char);
Get_Hex (Skip_Char);
C1 := Skip_Char;
if C1 /= '"' then
Get_Hex (C1);
Get_Hex (Skip_Char);
C1 := Skip_Char;
if C1 /= '"' then
Get_Hex (C1);
Get_Hex (Skip_Char);
C1 := Skip_Char;
if C1 /= '"' then
Get_Hex (C1);
Get_Hex (Skip_Char);
if B1 > Unsigned_32 (UTF_32_Code'Last) then
raise Constraint_Error;
end if;
if Skip_Char /= '"' then
raise Constraint_Error;
end if;
end if;
end if;
end if;
if Skip_Char /= ']' then
raise Constraint_Error;
end if;
end if;
end case;
end Skip_Wide;
------------------
-- Write_Spaces --
------------------
procedure Write_Spaces (N : Nat) is
begin
for J in 1 .. N loop
Write_Char (' ');
end loop;
end Write_Spaces;
end GPR.Erroutc;
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