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Use escape sequences in format strings printed by the format checker.

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Error messages are now lined up to account for the actual printed length of any escape sequences.
This commit is contained in:
Stephen Heumann 2018-09-02 00:18:26 -05:00
parent 7493ffa76c
commit d3aff49550
1 changed files with 44 additions and 7 deletions
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51
Printf.pas
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@ -126,7 +126,7 @@ var
}
var
i: integer;
c: char;
ch: char;
begin {Warning}
if error_count = 0 then begin
@ -136,9 +136,28 @@ var
if s <> nil then begin
Write(' > "');
for i := 1 to s^.length do begin
c := s^.str[i];
if (c = '"') or (ord(c) < $20) or (ord(c) > $7f) then c := '.';
Write(c);
ch := s^.str[i];
if ch in [' '..'~'] then begin
if ch in ['"','\','?'] then
write('\');
write(ch);
end {if}
else
case ord(ch) of
7: write('\a');
8: write('\b');
9: write('\t');
10: write('\n');
11: write('\v');
12: write('\f');
13: write('\r');
otherwise: begin
write('\');
write((ord(ch)>>6):1);
write(((ord(ch)>>3) & $0007):1);
write((ord(ch) & $0007):1);
end;
end; {case}
end; {for}
WriteLn('"');
end; {if}
@ -146,10 +165,28 @@ var
error_count := error_count + 1;
Write(' ');
if offset = 0 then
if s <> nil then
offset := s^.length + 1;
if s <> nil then begin
offset := s^.length;
write(' ');
end; {if}
if offset > 0 then begin
for i := 1 to offset do Write(' ');
if s <> nil then begin
if offset > s^.length then
offset := s^.length;
for i := 1 to offset do begin
ch := s^.str[i];
if ch in [' '..'~'] then begin
if ch in ['"','\','?'] then
write(' ');
write(' ');
end {if}
else
case ord(ch) of
7,8,9,10,11,12,13: write(' ');
otherwise: write(' ');
end; {case}
end; {for}
end; {if}
Write('^ ');
end; {if}
WriteLn(msg^);