ZYM/BH-Python-Interpreter-2023
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upd: finish Prework

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This commit is contained in:
ZhuangYumin
2023-11-06 15:25:53 +08:00
parent f9bbedda46
commit 4efd7f25e8
2 changed files with 105 additions and 6 deletions
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107
Prework/calc.h
View File

@ -3,7 +3,106 @@
#include "visitor.h"
struct calculator : visitor {
/// TODO: 完成所有需求
~calculator() override = default;
};
struct calculator : visitor
{
/// TODO: 完成所有需求
~calculator() override = default;
std::any visit_num(num_node *ctx) override
{
// 处理 num_node 节点的逻辑
long long *p_long_long = std::any_cast<long long>(&ctx->number);
double *p_double = std::any_cast<double>(&ctx->number);
std::any res;
if (p_long_long != nullptr)
res = std::any((long long)*p_long_long);
else if (p_double != nullptr)
res = std::any((double)*p_double);
else
res = std::any((long long)0);
return res;
}
std::any visit_add(add_node *ctx) override
{
// 处理 add_node 节点的逻辑
std::any l_res = this->visit(ctx->lnode);
std::any r_res = this->visit(ctx->rnode);
long long *p_l_long_long = std::any_cast<long long>(&l_res);
long long *p_r_long_long = std::any_cast<long long>(&r_res);
double *p_l_double = std::any_cast<double>(&l_res);
double *p_r_double = std::any_cast<double>(&r_res);
if((p_l_long_long!=nullptr)&&(p_r_long_long!=nullptr))
return std::any((long long)(*p_l_long_long + *p_r_long_long));
else if((p_l_double!=nullptr)&&(p_r_double!=nullptr))
return std::any((double)(*p_l_double + *p_r_double));
else if((p_l_long_long!=nullptr)&&(p_r_double!=nullptr))
return std::any((double)(*p_l_long_long + *p_r_double));
else if((p_l_double!=nullptr)&&(p_r_long_long!=nullptr))
return std::any((double)(*p_l_double + *p_r_long_long));
else
return std::any((long long)0);
}
std::any visit_sub(sub_node *ctx) override
{
// 处理 sub_node 节点的逻辑
std::any l_res = this->visit(ctx->lnode);
std::any r_res = this->visit(ctx->rnode);
long long *p_l_long_long = std::any_cast<long long>(&l_res);
long long *p_r_long_long = std::any_cast<long long>(&r_res);
double *p_l_double = std::any_cast<double>(&l_res);
double *p_r_double = std::any_cast<double>(&r_res);
if((p_l_long_long!=nullptr)&&(p_r_long_long!=nullptr))
return std::any((long long)(*p_l_long_long - *p_r_long_long));
else if((p_l_double!=nullptr)&&(p_r_double!=nullptr))
return std::any((double)(*p_l_double - *p_r_double));
else if((p_l_long_long!=nullptr)&&(p_r_double!=nullptr))
return std::any((double)(*p_l_long_long - *p_r_double));
else if((p_l_double!=nullptr)&&(p_r_long_long!=nullptr))
return std::any((double)(*p_l_double - *p_r_long_long));
else
return std::any((long long)0);
}
std::any visit_mul(mul_node *ctx) override
{
// 处理 mul_node 节点的逻辑
std::any l_res = this->visit(ctx->lnode);
std::any r_res = this->visit(ctx->rnode);
long long *p_l_long_long = std::any_cast<long long>(&l_res);
long long *p_r_long_long = std::any_cast<long long>(&r_res);
double *p_l_double = std::any_cast<double>(&l_res);
double *p_r_double = std::any_cast<double>(&r_res);
if((p_l_long_long!=nullptr)&&(p_r_long_long!=nullptr))
return std::any((long long)(*p_l_long_long * *p_r_long_long));
else if((p_l_double!=nullptr)&&(p_r_double!=nullptr))
return std::any((double)(*p_l_double * *p_r_double));
else if((p_l_long_long!=nullptr)&&(p_r_double!=nullptr))
return std::any((double)(*p_l_long_long * *p_r_double));
else if((p_l_double!=nullptr)&&(p_r_long_long!=nullptr))
return std::any((double)(*p_l_double * *p_r_long_long));
else
return std::any((long long)0);
}
std::any visit_div(div_node *ctx) override
{
// 处理 div_node 节点的逻辑
std::any l_res = this->visit(ctx->lnode);
std::any r_res = this->visit(ctx->rnode);
long long *p_l_long_long = std::any_cast<long long>(&l_res);
long long *p_r_long_long = std::any_cast<long long>(&r_res);
double *p_l_double = std::any_cast<double>(&l_res);
double *p_r_double = std::any_cast<double>(&r_res);
if((p_l_long_long!=nullptr)&&(p_r_long_long!=nullptr))
return std::any((long long)(*p_l_long_long / *p_r_long_long));
else if((p_l_double!=nullptr)&&(p_r_double!=nullptr))
return std::any((double)(*p_l_double / *p_r_double));
else if((p_l_long_long!=nullptr)&&(p_r_double!=nullptr))
return std::any((double)(*p_l_long_long / *p_r_double));
else if((p_l_double!=nullptr)&&(p_r_long_long!=nullptr))
return std::any((double)(*p_l_double / *p_r_long_long));
else
return std::any((long long)0);
}
};

4
Prework/test.cpp
View File

@ -8,7 +8,7 @@ node *generate(int);
// Expected: 17711
signed main() {
node *root = generate(20);
node *root = generate(3);
visitor *calc = new calculator;
auto result = calc->visit(root);
if (auto value = std::any_cast <double> (&result)) {
@ -18,7 +18,7 @@ signed main() {
}
return 0;
}
// 生成器，小孩子不懂写着玩的
node *generate(int depth) {