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[Feat] 支持 += -=等运算符！

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PuqiAR
2025-12-26 21:59:52 +08:00
parent 8a047de1c7
commit 20f39b7eba
3 changed files with 69 additions and 1 deletions
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43
src/Evaluator/evaluator.cpp
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@@ -289,12 +289,55 @@ namespace Fig
ObjectPtr rhs = eval(rexp, ctx);
return std::make_shared<Object>(shift_right(*lhs, *rhs));
}
case Operator::Assign: {
LvObject lv = evalLv(lexp, ctx);
ObjectPtr rhs = eval(rexp, ctx);
lv.set(rhs);
return rhs;
}
case Operator::PlusAssign: {
LvObject lv = evalLv(lexp, ctx);
ObjectPtr rhs = eval(rexp, ctx);
lv.set(std::make_shared<Object>(
*(lv.get()) + *rhs
));
return rhs;
}
case Operator::MinusAssign: {
LvObject lv = evalLv(lexp, ctx);
ObjectPtr rhs = eval(rexp, ctx);
lv.set(std::make_shared<Object>(
*(lv.get()) - *rhs));
return rhs;
}
case Operator::AsteriskAssign: {
LvObject lv = evalLv(lexp, ctx);
ObjectPtr rhs = eval(rexp, ctx);
lv.set(std::make_shared<Object>(
*(lv.get()) * (*rhs)));
return rhs;
}
case Operator::SlashAssign: {
LvObject lv = evalLv(lexp, ctx);
ObjectPtr rhs = eval(rexp, ctx);
lv.set(std::make_shared<Object>(
*(lv.get()) / *rhs));
return rhs;
}
case Operator::PercentAssign: {
LvObject lv = evalLv(lexp, ctx);
ObjectPtr rhs = eval(rexp, ctx);
lv.set(std::make_shared<Object>(
*(lv.get()) / *rhs));
return rhs;
}
// case Operator::CaretAssign: {
// LvObject lv = evalLv(lexp, ctx);
// ObjectPtr rhs = eval(rexp, ctx);
// lv.set(std::make_shared<Object>(
// *(lv.get()) ^ *rhs));
// }
default:
throw EvaluatorError(u8"UnsupportedOp", std::format("Unsupport operator '{}' for binary", magic_enum::enum_name(op)), bin);
}