bf uses Label class
diff --git a/sample/bf.cpp b/sample/bf.cpp
index ce5c12e..6968920 100644
--- a/sample/bf.cpp
+++ b/sample/bf.cpp
@@ -10,12 +10,6 @@
#endif
class Brainfuck : public Xbyak::CodeGenerator {
-private:
- enum Direction { B, F };
- std::string toStr(int labelNo, Direction dir)
- {
- return Xbyak::Label::toStr(labelNo) + (dir == B ? 'B' : 'F');
- }
public:
int getContinuousChar(std::istream& is, char c)
{
@@ -67,8 +61,7 @@
mov(pGetchar, rsi); // getchar
mov(stack, rdx); // stack
#endif
- int labelNo = 0;
- std::stack<int> keepLabelNo;
+ std::stack<Label> labelF, labelB;
char c;
while (is >> c) {
switch (c) {
@@ -116,17 +109,22 @@
mov(cur, eax);
break;
case '[':
- L(toStr(labelNo, B));
- mov(eax, cur);
- test(eax, eax);
- jz(toStr(labelNo, F), T_NEAR);
- keepLabelNo.push(labelNo++);
+ {
+ Label B = L();
+ labelB.push(B);
+ mov(eax, cur);
+ test(eax, eax);
+ Label F;
+ jz(F, T_NEAR);
+ labelF.push(F);
+ }
break;
case ']':
{
- int no = keepLabelNo.top(); keepLabelNo.pop();
- jmp(toStr(no, B));
- L(toStr(no, F));
+ Label B = labelB.top(); labelB.pop();
+ jmp(B);
+ Label F = labelF.top(); labelF.pop();
+ L(F);
}
break;
default:
