v0.4.2-alpha
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[Fix][Impl] 为了消除类构造带来的语法歧义,同时保持实现简洁和括号省略的语法,自此版本,引入了 `new` 操作符
            造成歧义的原方法:
                if a == A{}
            条件是 a == A,还是 a == A{} ?

            因此,现在使用 new a_struct{}来构造类
[Opti] 相较于 Fig v0.4.1-alpha版本,release O3同编译条件下
       Fib普通递归法性能提升 ~50%
       具体方式:
            增加了小整数优化,-128~127的整数现在会直接从IntPool获取而不是新构造
            ...忘了
[Fix] 类构造 shorthand模式忘写了,现在补上了
[Feat][Impl] 类型声明现在接受一个表达式,原为Identifier。实现 var start: time.Time = time.now() 的效果
             这是符合语法和语言特性的支持,类型为一等公民。类似Python的 <class 'type'>

[Impl] 修改了部分错误输出的细节
This commit is contained in:
2026-01-22 08:24:14 +08:00
parent 21641f888e
commit ca4ae143b4
27 changed files with 947 additions and 670 deletions

View File

@@ -0,0 +1,40 @@
#pragma once
#include "Value/value.hpp"
#include <Core/fig_string.hpp>
#include <Value/value_forward.hpp>
#include <Value/Type.hpp>
#include <array>
#include <memory>
namespace Fig
{
class IntPool
{
private:
static constexpr ValueType::IntClass CACHE_MIN = -128;
static constexpr ValueType::IntClass CACHE_MAX = 127;
std::array<ObjectPtr, CACHE_MAX - CACHE_MIN + 1> cache;
public:
IntPool()
{
for (ValueType::IntClass i = CACHE_MIN; i <= CACHE_MAX; ++i)
{
cache[i - CACHE_MIN] = std::make_shared<Object>(i);
}
}
ObjectPtr createInt(ValueType::IntClass val) const
{
if (val >= CACHE_MIN && val <= CACHE_MAX) { return cache[val - CACHE_MIN]; }
return std::make_shared<Object>(val);
}
static const IntPool &getInstance()
{
static IntPool pool;
return pool;
}
};
}; // namespace Fig