Files
Viper_RegressionTesting/FormatStringTest/App/main.vp
T
TermiNexus 44ce29200e refactor(test): 收尾 6 个测试用例的新规范语法迁移
CoroTest/DefaultArgTest/FormatStringTest/FuncTest/MLIRLiteTest/ThreadingTest 的 App/main.vp 从旧写法(t.CInt/t.CPtr 注解、多行单语句体)迁到新规范(int 短别名、T* 后缀、单语句体并一行),为既有迁移的遗留未提交部分。验证:TPV 自举产物顺序回归 77/77 全通过。
2026-10-05 09:24:42 +08:00

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from stdint import *
import t, c
import ctraits
import stdio
import testcheck
# ============================================================
# FormatStringTest - 格式化字符串回归测试
# ============================================================
export def main() -> int:
testcheck.begin("FormatStringTest: Format String Regression")
b: str = "hello world"
for i in b:
stdio.printf("%c\n", i)
b += 1
print(b-11)
l: t.CArray[u64] = [0, 43, 2, 3, 4]
l[0] = 1000
for i in l:
stdio.printf("%llu\n", i)
print("Value: ", f"0x{ULONGLONG(0x11)}")
print("ULL Hex: ", f"0x{ULONGLONG(0x11):016X}")
print("LL Hex: ", f"{LONGLONG(0x11):016X}")
print("ULL Dec: ", f"{ULONGLONG(42):d}")
print("LL Dec: ", f"{LONGLONG(42):d}")
print("Hex: ", f"{0x11:016X}")
print("Dec: ", f"{42:d}")
print("Float: ", f"{3.14159:.2f}")
# f-string 赋值测试(验证不再直接 printf,而是生成字符串)
s: str = f"Value=0x{ULONGLONG(42)}, Hex=0x{ULONGLONG(0x11):016X}"
print("Assigned: ", s)
# ctraits.isptr 编译时类型判断测试
# c.Addr(s) 取的是局部变量 s(str = i8*)的地址,结果是 i8**(char**);
# 与 INTPTR(= t.CInt | t.CPtr,int*,见 includes/stdint.vp)层数与基座都不同,
# 且指针隐式转换已收紧(层数必须相同)⇒ 注解按实际类型写 str | t.CPtr(= i8**)。
ptr_var: str | t.CPtr = c.Addr(s)
val_var: int = 42
if c.CIf(ctraits.isptr(ptr_var)):
print("ptr_var is pointer")
if c.CIf(not ctraits.isptr(val_var)):
print("val_var is not pointer")
testcheck.section("placeholder")
testcheck.ok("testcheck framework ready")
testcheck.info("placeholder test")
return testcheck.end()