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* prefer write({short,ansi,wide}string) over write(chararray) for

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constant strings

git-svn-id: trunk@9279 -
This commit is contained in:
Jonas Maebe 2007-11-18 09:56:25 +00:00
parent 8f187bf6e2
commit 9f04aad33e
1 changed files with 22 additions and 1 deletions
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23
compiler/ninl.pas
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@ -132,7 +132,7 @@ implementation
end;
function tinlinenode.handle_str : tnode;
function tinlinenode.handle_str : tnode;
var
lenpara,
fracpara,
@ -344,6 +344,23 @@ implementation
end;
procedure maybe_convert_to_string(var n: tnode);
begin
{ stringconstnodes are arrays of char. It's much more }
{ efficient to write a constant string, so convert }
{ either to shortstring or ansistring depending on }
{ length }
if (n.nodetype=stringconstn) then
if is_chararray(n.resultdef) then
if (tstringconstnode(n).len<=255) then
inserttypeconv(n,cshortstringtype)
else
inserttypeconv(n,cansistringtype)
else if is_widechararray(n.resultdef) then
inserttypeconv(n,cwidestringtype);
end;
function Tinlinenode.handle_text_read_write(filepara,params:Ttertiarynode;var newstatement:Tnode):boolean;
{Read(ln)/write(ln) for text files.}
@ -390,6 +407,10 @@ implementation
para.left:=p1;
end;
if inlinenumber in [in_write_x,in_writeln_x] then
{ prefer strings to chararrays }
maybe_convert_to_string(para.left);
case para.left.resultdef.typ of
stringdef :
name:=procprefixes[do_read]+tstringdef(para.left.resultdef).stringtypname;