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fcl-passrc: resolver: fixed uninitialized var

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git-svn-id: trunk@39581 -
This commit is contained in:
Mattias Gaertner 2018-08-06 17:49:49 +00:00
parent ada8891d9e
commit 971c7b45e7
1 changed files with 14 additions and 5 deletions
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19
packages/fcl-passrc/src/pasresolver.pp
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@ -1742,6 +1742,7 @@ type
function GetPasPropertyStoredExpr(El: TPasProperty): TPasExpr;
function GetPasPropertyDefaultExpr(El: TPasProperty): TPasExpr;
function GetPasClassAncestor(ClassEl: TPasClassType; SkipAlias: boolean): TPasType;
function ProcHasImplElements(Proc: TPasProcedure): boolean; virtual;
function IndexOfImplementedInterface(ClassEl: TPasClassType; aType: TPasType): integer;
function GetLoop(El: TPasElement): TPasImplElement;
function ResolveAliasType(aType: TPasType): TPasType;
@ -4200,7 +4201,7 @@ begin
begin
ProcScope:=Proc.CustomData as TPasProcedureScope;
if (ProcScope.ImplProc<>nil) // not abstract, external
and (GetProcFirstImplEl(ProcScope.ImplProc)=nil) then
and (not ProcHasImplElements(ProcScope.ImplProc)) then
// hidden method has implementation, but no statements -> useless
// -> do not give a hint for hiding this useless method
// Note: if this happens in the same unit, the body was not yet parsed
@ -17494,17 +17495,20 @@ begin
Result:=nil;
if Proc=nil then exit;
if Proc.Body<>nil then
Body:=Proc.Body.Body;
Body:=Proc.Body.Body
else
Body:=nil;
if Body=nil then
begin
if Proc.CustomData=nil then exit;
Scope:=Proc.CustomData as TPasProcedureScope;
if Scope.ImplProc=nil then exit;
Proc:=Scope.ImplProc;
if Proc.Body<>nil then
Body:=Proc.Body.Body;
if Proc=nil then exit;
if Proc.Body=nil then exit;
Body:=Proc.Body.Body;
if Body=nil then exit;
end;
if Body.Elements=nil then exit;
if Body.Elements.Count=0 then exit;
Result:=TPasImplElement(Body.Elements[0]);
end;
@ -19516,6 +19520,11 @@ begin
end;
end;
function TPasResolver.ProcHasImplElements(Proc: TPasProcedure): boolean;
begin
Result:=GetProcFirstImplEl(Proc)<>nil;
end;
function TPasResolver.IndexOfImplementedInterface(ClassEl: TPasClassType;
aType: TPasType): integer;
var