98   EVAL_STACK_ENTRY               *StackPtr;  in PeimDispatchReadiness()  local
103   StackPtr = EvalStack;  in PeimDispatchReadiness()
119         if (StackPtr > &EvalStack[MAX_GRAMMAR_SIZE-1]) {  in PeimDispatchReadiness()
128         StackPtr->Operator = (VOID *) Iterator;  in PeimDispatchReadiness()
130 …BUG ((DEBUG_DISPATCH, "  PUSH GUID(%g) = %a\n", StackPtr->Operator, IsPpiInstalled (PeiServices, S…  in PeimDispatchReadiness()
131         StackPtr++;  in PeimDispatchReadiness()
147         if (StackPtr < &EvalStack[2]) {  in PeimDispatchReadiness()
161         StackPtr--;  in PeimDispatchReadiness()
168           if (!(IsPpiInstalled (PeiServices, StackPtr))) {  in PeimDispatchReadiness()
169             (StackPtr-1)->Result = FALSE;  in PeimDispatchReadiness()
170             (StackPtr-1)->Operator = NULL;  in PeimDispatchReadiness()
173           if (IsPpiInstalled (PeiServices, StackPtr)) {  in PeimDispatchReadiness()
174             (StackPtr-1)->Result = TRUE;  in PeimDispatchReadiness()
175             (StackPtr-1)->Operator = NULL;  in PeimDispatchReadiness()
182         StackPtr--;  in PeimDispatchReadiness()
187         if (StackPtr != &EvalStack[0]) {  in PeimDispatchReadiness()
191 …DEBUG ((DEBUG_DISPATCH, "  RESULT = %a\n", IsPpiInstalled (PeiServices, StackPtr) ? "TRUE" : "FALS…  in PeimDispatchReadiness()
192         return IsPpiInstalled (PeiServices, StackPtr);  in PeimDispatchReadiness()
202         if (StackPtr < &EvalStack[1]) {  in PeimDispatchReadiness()
206         (StackPtr-1)->Result = (BOOLEAN) !IsPpiInstalled (PeiServices, (StackPtr-1));  in PeimDispatchReadiness()
207         (StackPtr-1)->Operator = NULL;  in PeimDispatchReadiness()
221         if (StackPtr > &EvalStack[MAX_GRAMMAR_SIZE-1]) {  in PeimDispatchReadiness()
231           StackPtr->Result = TRUE;  in PeimDispatchReadiness()
233           StackPtr->Result = FALSE;  in PeimDispatchReadiness()
235         StackPtr->Operator = NULL;  in PeimDispatchReadiness()
236         StackPtr++;  in PeimDispatchReadiness()