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* refactored isstringconv/isrecordconv

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* fixed checking of array element compatibility (also have to check
    for both strings/records)

git-svn-id: branches/jvmbackend@18541 -
This commit is contained in:
Jonas Maebe 2011-08-20 08:08:49 +00:00
parent 8ec1ba797d
commit 1c1fe26ebd
1 changed files with 50 additions and 50 deletions
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100
compiler/jvm/njvmcnv.pas
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@ -646,59 +646,58 @@ implementation
*****************************************************************************}
function asis_target_specific_typecheck(node: tasisnode): boolean;
function isrecordconv(fromdef, todef: tdef): boolean;
begin
if is_record(todef) then
begin
result:=
(fromdef=java_jlobject) or
(fromdef=java_fpcbaserecordtype);
end
else if is_record(fromdef) then
begin
result:=
(todef=java_jlobject) or
(todef=java_fpcbaserecordtype)
end
else
result:=false;
end;
function isstringconv(fromdef, todef: tdef): boolean;
begin
if is_wide_or_unicode_string(todef) then
begin
result:=
(fromdef=java_jlobject) or
(fromdef=java_jlstring)
end
else if is_wide_or_unicode_string(fromdef) then
begin
result:=
(todef=java_jlobject) or
(todef=java_jlstring)
end
else
result:=false;
end;
var
fromelt, toelt: tdef;
realfromdef,
realtodef: tdef;
function isrecordconv(var res: boolean): boolean;
begin
if is_record(realtodef) then
begin
result:=true;
res:=
(realfromdef=java_jlobject) or
(realfromdef=java_fpcbaserecordtype);
end
else if is_record(realfromdef) then
begin
result:=true;
res:=
(realtodef=java_jlobject) or
(realtodef=java_fpcbaserecordtype)
end
else
result:=false;
end;
function isstringconv(var res: boolean): boolean;
begin
if is_wide_or_unicode_string(realtodef) then
begin
result:=true;
res:=
(realfromdef=java_jlobject) or
(realfromdef=java_jlstring)
end
else if is_wide_or_unicode_string(realfromdef) then
begin
result:=true;
res:=
(realtodef=java_jlobject) or
(realtodef=java_jlstring)
end
else
result:=false;
end;
begin
realfromdef:=maybe_find_real_class_definition(node.left.resultdef,false);
realtodef:=node.right.resultdef;
if realtodef.typ=classrefdef then
realtodef:=tclassrefdef(realtodef).pointeddef;
realtodef:=maybe_find_real_class_definition(realtodef,false);
if not isrecordconv(result) and
not isstringconv(result) then
result:=isrecordconv(realfromdef,realtodef);
if not result then
result:=isstringconv(realfromdef,realtodef);
if not result then
{ dynamic arrays can be converted to java.lang.Object and vice versa }
if realtodef=java_jlobject then
{ dynamic array to java.lang.Object }
@ -714,13 +713,14 @@ implementation
or
b) the same primitive/class type
}
if not isrecordconv(result) then
result:=
(compare_defs(fromelt,toelt,node.left.nodetype) in [te_exact,te_equal]) or
(((fromelt.typ=objectdef) or
(fromelt.typ=arraydef)) and
((toelt.typ=objectdef) or
(toelt.typ=arraydef)));
result:=
isrecordconv(fromelt,toelt) or
isstringconv(fromelt,toelt) or
(compare_defs(fromelt,toelt,node.left.nodetype) in [te_exact,te_equal]) or
(((fromelt.typ=objectdef) or
(fromelt.typ=arraydef)) and
((toelt.typ=objectdef) or
(toelt.typ=arraydef)));
end
else
begin