可以处理生成加法的IR

src/main.cpp

@@ -1,30 +1,29 @@
+#include <exception>
 #include <iostream>
-#include <string>
 
-static void PrintUsage(const char* argv0) {
-  std::cerr << "用法: " << (argv0 ? argv0 : "compiler") << " <input.sy> [options]\n";
-  std::cerr << "说明: 当前为工程骨架阶段，暂不执行完整编译流程，仅用于验证可编译/可链接。\n";
-}
+#include "frontend/AntlrDriver.h"
+#include "frontend/AstBuilder.h"
+#include "ir/IR.h"
+#include "irgen/IRGen.h"
+#include "sem/Sema.h"
+#include "utils/CLI.h"
+#include "utils/Log.h"
+#include "ast/AstNodes.h"
 
 int main(int argc, char** argv) {
-  if (argc <= 1) {
-    PrintUsage(argv[0]);
-    return 0;
+  try {
+    auto opts = ParseCLI(argc, argv);
+    auto antlr = ParseFileWithAntlr(opts.input);
+    auto ast = BuildAst(antlr.tree);
+    ast::PrintAST(*ast);  // 调试 AST
+    ast = RunSema(std::move(ast));
+    auto module = GenerateIR(*ast);
+
+    ir::IRPrinter printer;
+    printer.Print(*module);
+  } catch (const std::exception& ex) {
+    LOG_ERROR(ex.what());
+    return 1;
   }
-
-  std::string input_path = argv[1];
-  if (input_path == "-h" || input_path == "--help") {
-    PrintUsage(argv[0]);
-    return 0;
-  }
-
-  // TODO: 后续在此接入完整流水线：
-  // 1) frontend: ANTLR 解析 + AST 构建
-  // 2) sem: 语义分析
-  // 3) irgen: AST -> IR
-  // 4) ir passes: 可选优化
-  // 5) mir/backend: AArch64 指令选择、寄存器分配、栈帧、汇编输出
-  (void)input_path;
-
   return 0;
 }