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program StepOverPrg;
{$asmMode intel}
uses
{$IFDEF UNIX}
cthreads,
{$ENDIF}
sysutils, Classes;
type
{ TTestThread1 }
TTestThread1 = class(TThread)
procedure Execute; override;
end;
var
x, BreakDummy: Integer;
T1, T1Interfere: Integer;
T1Stop: Boolean;
label
testasmlbl1, testasmlbl2;
Procedure MyNorm;
begin
x := 1;
end;
Procedure StepOverEnd(a: integer);
var
b: integer;
begin
b := a;
// end returns to the same line
if a < 1 then StepOverEnd(a+1); end; // TEST_BREAKPOINT=StepOverEnd
Procedure MyNested(ALvl: Integer = 0);
var
a: integer;
begin
if ALvl > 3 then exit; a := x;
if ALvl = 0 then
x := 1; // TEST_BREAKPOINT=BrkNested
x := 3; MyNested(ALvl + 1); x := 4; if ALvl = 0 then // only reach "AfterNested" in most outer recurse
x := 2; // TEST_BREAKPOINT=AfterNested
x := 1;
end;
Procedure MySleep;
begin
Sleep(50);
end;
Procedure MyBrkDis;
begin
x := 1; // TEST_BREAKPOINT=BrkDisabled
end;
Procedure MyBrkHitCnt;
begin
x := 1; // TEST_BREAKPOINT=BrkHitCnt
end;
(* Try to step over a line, while another thread is also going through the line *)
Procedure MyInterfereByThread(a: Boolean = false);
Procedure MyInterfereSleep;
begin
if a then Sleep(10); // threads do not stop / while the test waits here, other threads should hit the calling line
end;
begin
if a then
x := 1; // TEST_BREAKPOINT=BrkInterfereByThread
if a then InterLockedExchange(T1Interfere, 0); while (InterLockedExchangeAdd(T1Interfere,0)=0) do begin MyInterfereSleep; if not a then break; end;
x := 1; // TEST_BREAKPOINT=AfterInterfereByThread
InterLockedIncrement(T1Interfere); // Other threads will increment
end;
{ TTestThread1 }
procedure TTestThread1.Execute;
begin
InterLockedIncrement(T1);
while not (Terminated or T1Stop) do MyInterfereByThread;
InterLockedDecrement(T1);
end;
begin
x := 1;
x := x + 1; // TEST_BREAKPOINT=BrkStart
x := x + 1; x := x + 2; x := x + 3; // TEST_BREAKPOINT=AfterStep
MyNorm(); // TEST_BREAKPOINT=AfterStepLongLine
x := 1; MyNorm(); x := x + 1; MyNorm(); x := x + 1; MyNorm(); x := x + 1; // TEST_BREAKPOINT=AfterStepProc
MySleep(); // TEST_BREAKPOINT=AfterStepProcLong
sleep(50); // TEST_BREAKPOINT=AfterStepSleepProc
MyBrkDis; // TEST_BREAKPOINT=AfterStepSleep
MyBrkHitCnt; // TEST_BREAKPOINT=AfterStepBrkDis
MyBrkDis; // TEST_BREAKPOINT=AfterStepBrkHitCnt
x := 1; // TEST_BREAKPOINT=AfterStepBrkDisAgain
x := 1;
MyNested; // TEST_BREAKPOINT=CallNested
T1 := 0;
T1Stop := False;
TTestThread1.Create(False); while not (InterLockedExchangeAdd(T1,0)=1) do x:=1; // TEST_BREAKPOINT=BrkThreadCreateInStep
x := 1; // TEST_BREAKPOINT=AfterThreadCreateInStep
(* Prepare for threads to interfare with the hidden breakpoint *)
// create a few threads to interfer
TTestThread1.Create(False); TTestThread1.Create(False); TTestThread1.Create(False);
TTestThread1.Create(False); TTestThread1.Create(False); TTestThread1.Create(False);
while not (InterLockedExchangeAdd(T1,0)>=5) do sleep(10); // at least 5 running
MyInterfereByThread(True);
T1Stop := True;
while not (InterLockedExchangeAdd(T1,0)<=1) do x:=1; // TEST_BREAKPOINT=BrkThreadExitInStep
x := 1; // TEST_BREAKPOINT=AfterThreadExitInStep
//sleep(500);
BreakDummy := 1;
StepOverEnd(0); // TEST_BREAKPOINT=CallStepOverEnd
BreakDummy := 1; // TEST_BREAKPOINT=AfterCallStepOverEnd
BreakDummy := 1;
end.
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