30 lines
535 B
C++
30 lines
535 B
C++
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#include "interpreter/operandsstack.h"
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using namespace obj;
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OperandStack::OperandStack() {
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mBuff = new Operand[MAX_STACK_SIZE];
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mIdx = 0;
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}
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void OperandStack::push(Operand operand) {
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ASSERT(MAX_STACK_SIZE - 1 > mIdx && "stack overflow");
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mBuff[mIdx] = operand;
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mIdx++;
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}
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void OperandStack::pop() {
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ASSERT(mIdx != NULL && "stack overflow");
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mIdx--;
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}
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Operand OperandStack::getOperand() {
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auto ret = mBuff[mIdx - 1];
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mIdx--;
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return ret;
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}
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OperandStack::~OperandStack() {
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delete[] mBuff;
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}
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