- Rename `cstring_push` to `cstring_append_ch` and `cstring_push_cstr` to `cstring_append_cstr` for consistent naming with new `cstring_append` function - Update all callers in lexer and tests to use new function names - Rename stream `destroy` method to `drop` for consistency with resource management conventions - Fix potential overflow in string capacity calculation by adjusting growth logic
lexer 词法分析 parse 语法分析 ast 抽象语法树 sema 语义分析 ir 中间代码标识 opt 优化器 codegen 代码生成 target 目标平台支持