src/AST/function.c

   1 #include "function.h"
   2 #include "table.h"
   3 #include "set.h"
   4
   5
   6 Function* allocFunctionOperator( ArithOp op, Set ** domain, uint numDomain, Set * range,OverFlowBehavior overflowbehavior){
   7         FunctionOperator* This = (FunctionOperator*) ourmalloc(sizeof(FunctionOperator));
   8         GETFUNCTIONTYPE(This)=OPERATORFUNC;
   9         allocInlineArrayInitSet(&This->domains, domain, numDomain);
  10         This->op=op;
  11         This->overflowbehavior = overflowbehavior;
  12         This->range=range;
  13         return &This->base;
  14 }
  15
  16 Function* allocFunctionTable (Table* table){
  17         FunctionTable* This = (FunctionTable*) ourmalloc(sizeof(FunctionTable));
  18         GETFUNCTIONTYPE(This)=TABLEFUNC;
  19         This->table = table;
  20         return &This->base;
  21 }
  22
  23 uint64_t applyFunctionOperator(FunctionOperator* func, uint64_t var1, uint64_t var2, bool* isInRange){
  24         uint64_t result = 0;
  25         switch( func->op){
  26                 case ADD:
  27                         result = var1+ var2;
  28                         break;
  29                 case SUB:
  30                         result = var1 - var2;
  31                         break;
  32                 default:
  33                         ASSERT(0);
  34         }
  35         *isInRange = existsInSet(func->range, result);
  36         return result;
  37 }
  38
  39 void deleteFunction(Function* This){
  40         switch(GETFUNCTIONTYPE(This)){
  41         case TABLEFUNC:
  42                 break;
  43         case OPERATORFUNC:
  44                 deleteInlineArraySet(&((FunctionOperator*) This)->domains);
  45                 break;
  46         default:
  47                 ASSERT(0);
  48         }
  49         ourfree(This);
  50 }