paweld/fpc
1
0
Fork 0
mirror of https://gitlab.com/freepascal.org/fpc/source.git synced 2025-04-17 07:19:37 +02:00
Code Issues Packages Projects Releases Wiki Activity

* fix tw8191 for all architectures: skip code generation for range checking also when the range checking has to be done dynamically for pointers accessed as arrays which were typecasted from an array

Browse Source 
git-svn-id: trunk@11037 -
This commit is contained in:
tom_at_work 2008-05-22 12:52:26 +00:00
parent d79851dc1b
commit 4aced9802c
1 changed files with 26 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

48
compiler/ncgmem.pas
View File

@ -718,29 +718,33 @@ implementation
case left.resultdef.typ of
arraydef :
begin
if not(is_open_array(left.resultdef)) and
not(is_array_of_const(left.resultdef)) and
not(is_dynamic_array(left.resultdef)) and
not(ado_isconvertedpointer in tarraydef(left.resultdef).arrayoptions) then
begin
if (tordconstnode(right).value.svalue>tarraydef(left.resultdef).highrange) or
(tordconstnode(right).value.svalue<tarraydef(left.resultdef).lowrange) then
begin
{ this should be caught in the typecheckpass! (JM) }
{ do not do any range checking when this is an array access to a pointer which has been
typecasted from an array }
if (not (ado_isconvertedpointer in tarraydef(left.resultdef).arrayoptions)) then
begin
if not(is_open_array(left.resultdef)) and
not(is_array_of_const(left.resultdef)) and
not(is_dynamic_array(left.resultdef)) then
begin
if (tordconstnode(right).value.svalue>tarraydef(left.resultdef).highrange) or
(tordconstnode(right).value.svalue<tarraydef(left.resultdef).lowrange) then
begin
{ this should be caught in the typecheckpass! (JM) }
if (cs_check_range in current_settings.localswitches) then
CGMessage(parser_e_range_check_error)
else
CGMessage(parser_w_range_check_error);
end;
end
else
begin
{ range checking for open and dynamic arrays needs
runtime code }
secondpass(right);
if (cs_check_range in current_settings.localswitches) then
CGMessage(parser_e_range_check_error)
else
CGMessage(parser_w_range_check_error);
end;
end
else
begin
{ range checking for open and dynamic arrays needs
runtime code }
secondpass(right);
if (cs_check_range in current_settings.localswitches) then
rangecheck_array;
end;
rangecheck_array;
end;
end;
end;
stringdef :
begin