ZZY 172d72b0a0 feat(backend/riscv32): 实现基础的编译器功能
- 完成 RV32IMA 指令集的代码生成
- 添加整数运算、分支、调用等基本指令支持
- 实现从 IR 到机器码的转换
- 添加简单的测试用例和测试框架
2025-03-08 16:50:21 +08:00

86 lines
2.2 KiB
Python

import subprocess
import os
from pathlib import Path
# 配置参数
TEST_DIR = Path(".")
CC_PATH = Path("../../ccompiler.exe")
VM_PATH = Path("../../rv32-vm.exe")
WORKSPACE = Path(".") # 测试工作目录
# 测试用例映射表(示例)
TEST_CASE_MAP = {
"./01_return.c": 65536,
"./02_decl_expr.c": 1,
"./03_decl_init.c": 11,
"./04_if.c": 1,
"./05_else.c": 2,
"./06_fcall.c": 3,
"./07_while.c": 10,
"./08_do_while.c": 128,
"./09_for.c": 10,
"./10_main.c": 3,
"./11_recursive.c": 120,
}
def run_command(cmd, capture_stderr=True):
"""执行命令并捕获stderr"""
result = subprocess.run(
cmd,
cwd=WORKSPACE,
stderr=subprocess.PIPE if capture_stderr else None,
text=True,
timeout=1,
)
return result.stderr.strip() if capture_stderr else None
def run_test(test_file, expected):
print(f"\nTesting {test_file}...")
# 1. 编译生成flat.bin
compile_cmd = [str(CC_PATH), str(test_file)]
compile_err = run_command(compile_cmd)
if not (WORKSPACE / "flat.bin").exists():
print(f" Compilation failed: {compile_err}")
return False
# 2. 执行虚拟机
vm_cmd = [str(VM_PATH), "flat.bin"]
# 3. 解析返回值(假设最后一行是返回值)
try:
vm_err = run_command(vm_cmd)
actual = int(vm_err.split()[-1])
except (ValueError, IndexError) as e:
print(f" Invalid VM output: {vm_err}")
return False
except subprocess.TimeoutExpired:
print(" Timeout expired")
return False
# 4. 验证结果
if actual == expected:
print(f" PASSED {test_file}")
return True
else:
print(f" FAILED: Expected {expected}, got {actual}")
return False
def main():
passed = 0
total = 0
for test_file, expected in TEST_CASE_MAP.items():
total += 1
if run_test(TEST_DIR / test_file, expected):
passed += 1
# 清理中间文件
if (WORKSPACE / "flat.bin").exists():
os.remove(WORKSPACE / "flat.bin")
print(f"\nTest Summary: {passed}/{total} passed")
if __name__ == "__main__":
main()