重构类型系统并改进诊断功能

- 更新了类型系统,新增了类型并优化了结构。
- 引入了基类型和派生类,用于函数、结构体和接口类型。
- 实现了类型上下文,用于管理内置类型和类型解析。
- 添加了诊断类,用于收集和报告警告和错误。
- 通过改进错误处理增强了虚拟机执行,以应对递归限制问题。
- 实现了反汇编器,将字节码转换为代码,以改善调试和分析。
- 添加了新的抽象语法树节点,用于成员表达式、对象初始化、接口和结构体定义。
- 引入了语义错误测试,包括重定义、未声明的变量和无效的结构字段。
This commit is contained in:
2026-03-10 12:33:17 +08:00
parent 90448006ff
commit 0f635ccf2b
47 changed files with 2365 additions and 2541 deletions

View File

@@ -1,36 +1,125 @@
/*!
@file src/Compiler/Compiler.cpp
@brief 编译器实现
@author PuqiAR (im@puqiar.top)
@date 2026-02-18
@brief 编译器主逻辑实现:物理 Bootstrapper 与双步扫描
*/
#include <Compiler/Compiler.hpp>
#include <Ast/Stmt/FnDefStmt.hpp>
namespace Fig
{
Result<CompiledModule *, Error> Compiler::Compile(Program *program)
{
current->freeReg = 0;
module = new CompiledModule();
for (Stmt *stmt : program->nodes)
// 1. 预留 Protos[0] 给 Bootstrapper
Proto *bootProto = new Proto();
bootProto->name = "[bootstrapper]";
module->protos.push_back(bootProto);
int initIdx = -1;
int mainIdx = -1;
// 2. 第一步:预扫描顶层函数,锁定物理索引
for (auto *stmt : program->nodes)
{
auto result = compileStmt(static_cast<Stmt *>(stmt));
if (!result)
if (stmt->type == AstType::FnDefStmt)
{
return std::unexpected(result.error());
auto *f = static_cast<FnDefStmt *>(stmt);
int idx = (int) module->protos.size();
Proto *p = new Proto();
p->name = f->name;
p->numParams = (uint8_t) f->params.size();
p->maxRegisters = p->numParams;
module->protos.push_back(p);
// 连接物理符号到索引
if (f->resolvedSymbol)
{
f->resolvedSymbol->index = idx;
}
if (f->name == "init")
initIdx = idx;
if (f->name == "main")
mainIdx = idx;
}
}
if (mainFuncIndex != -1)
// 3. 第二步:在 Bootstrapper 环境中编译所有语句
FuncState bootState(bootProto, nullptr);
current = &bootState;
for (auto *stmt : program->nodes)
{
std::uint8_t baseReg = AllocReg();
Emit(Op::iABC(OpCode::FastCall, mainFuncIndex, baseReg, 0));
auto res = compileStmt(stmt);
if (!res)
{
return std::unexpected(res.error());
}
}
Emit(Op::iABC(OpCode::Exit, 0, 0, 0)); // 一定要退出,这是虚拟机退出信号,否则ub
CompiledModule *compiledModule = new CompiledModule(fileName, allProtos);
return compiledModule;
// 4. 发射 Bootstrapper 引导指令
if (initIdx != -1)
{
emit(Op::iABC(OpCode::FastCall, (uint8_t) initIdx, 0, 0));
}
if (mainIdx != -1)
{
emit(Op::iABC(OpCode::FastCall, (uint8_t) mainIdx, 0, 0));
}
emit(Op::iAsBx(OpCode::Exit, 0, 0));
return module;
}
}; // namespace Fig
int Compiler::getGlobalID(const String &name)
{
if (globalIDMap.contains(name))
return globalIDMap[name];
int id = (int) globalIDMap.size();
globalIDMap[name] = id;
return id;
}
Result<Register, Error> Compiler::allocateReg(const SourceLocation &loc)
{
if (current->freereg >= MAX_REGISTERS)
{
return std::unexpected(Error(ErrorType::RegisterOverflow, "too many registers", "", loc));
}
Register reg = current->freereg++;
if (reg >= current->proto->maxRegisters)
{
current->proto->maxRegisters = reg + 1;
}
return reg;
}
void Compiler::freeReg(Register count)
{
if (current->freereg >= count)
{
current->freereg -= count;
}
}
int Compiler::addConstant(Value val)
{
if (current->constantMap.contains(val))
return current->constantMap[val];
int idx = (int) current->proto->constants.size();
current->proto->constants.push_back(val);
current->constantMap[val] = idx;
return idx;
}
void Compiler::emit(Instruction instr)
{
current->proto->code.push_back(instr);
}
} // namespace Fig