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// 日志模块：
// - 统一输出调试信息、阶段信息与错误信息
// - 提供可配置的日志级别与输出位置（按需要实现）
# include "utils/Log.h"
# include <ostream>
void PrintHelp ( std : : ostream & os ) {
os < < " SysY Compiler (课程实验最小可运行示例) \n "
< < " \n "
< < " 用法: \n "
< < " compiler [--help] [--emit-ast] [--emit-ir] [--emit-asm] [--ast-dot <file.dot>] <input.sy> \n "
< < " \n "
< < " 选项: \n "
< < " -h, --help 打印帮助信息并退出 \n "
< < " --emit-ast 仅在显式模式下启用 AST 文本输出 \n "
< < " --emit-ir 仅在显式模式下启用 IR 输出 \n "
< < " --emit-asm 仅在显式模式下启用 AArch64 汇编输出 \n "
< < " --ast-dot <path> 导出 AST Graphviz DOT 到指定文件 \n "
< < " \n "
< < " 说明: \n "
< < " - 默认同时输出 AST 与 IR \n "
< < " - 若使用 --emit-ast/--emit-ir/--emit-asm， \n "
< < " - 可使用重定向写入文件: \n "
< < " compiler --emit-asm test/test_case/simple_add.sy > out.s \n " ;
}
