Apple-2gs-SW/ORCA-C
1
0
Fork 0
mirror of https://github.com/byteworksinc/ORCA-C.git synced 2024-05-28 12:41:35 +00:00
Code Issues Projects Releases Wiki Activity

Report an error when void values are used in binary expressions.

Browse Source 
These would previously be allowed, with the void value treated as if it was unsigned long.

Void values are still allowed for the second and third operands of the ?: operator, but only if they are both void. This is as required by the C standard.
This commit is contained in:
Stephen Heumann 2016-10-14 20:37:10 -05:00
parent 9558a88571
commit 89f1dbce9b
1 changed files with 13 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
Expression.pas
View File

@ -321,14 +321,18 @@ UsualBinaryConversions := cgULong;
if lType^.kind = pointerType then
lType := uLongPtr
else if lType^.kind = scalarType then
if lType^.baseType = cgVoid then
if lType^.baseType = cgVoid then begin
lType := uLongPtr;
Error(66);
end; {if}
rType := expressionType;
if rType^.kind = pointerType then
rType := uLongPtr
else if rType^.kind = scalarType then
if rType^.baseType = cgVoid then
if rType^.baseType = cgVoid then begin
rType := uLongPtr;
Error(66);
end; {if}
if (lType^.kind = scalarType) and (rType^.kind = scalarType) then begin
lt := Unary(lType^.baseType);
rt := Unary(rType^.baseType);
@ -3580,7 +3584,13 @@ case tree^.token.kind of
tType := expressionType
else
tType := lType;
et := UsualBinaryConversions(lType);
if (expressionType^.kind = scalarType)
and (expressionType^.baseType = cgVoid)
and (lType^.kind = scalarType)
and (lType^.baseType = cgVoid) then
et := cgVoid
else
et := UsualBinaryConversions(lType);
Gen0(pc_bno);
Gen0t(pc_tri, et);
end; {else}