TermiNexus
cc7cfdb4af
- mlirlite/__function.vp：_MlirAliasAdd 的 512 条硬上限改为 _MlirAliasGrow 池内翻倍扩容，不再把资源限制当编译错误 - mlirlite 类型工厂改 new memgr(pool) 返回值（消除栈逃逸）；__module.vp 补 triple/datalayout - viperlib.get_digit_count 用 uint(base) 显式声明无符号除法语义（新 AugAssign 符号规则） - string.vp：strcpy/strcat/strncpy/strncat/memset/memset32/memcpy/memmove 加 @life(noescape(...))
1384 lines
58 KiB
Plaintext
1384 lines
58 KiB
Plaintext
import viperio
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from stdarg import arg
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define TEMP_BUF_SIZE = 68
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def get_digit_count(num: uint, base: int) -> int:
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count: int = 0
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if num == 0: return 1
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while num > 0:
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count += 1
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# 显式收窄口径：目标 num 是无符号、base 是有符号，按新规则必须显式声明用无符号语义
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# （base 恒为 2/10/16 等正整数；若传负值，uint(base) 会得到其无符号位型，语义与旧隐式行为一致）。
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num //= uint(base)
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return count
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# Return type must be int, matching the CRT `sprintf` and includes/stdio.vp;
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# return vsnprintf's write length directly (consistent with the CRT).
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export def sprintf(buf: str, rule: str, *args) -> int:
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if buf is None or rule is None: return 0
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return vsnprintf(buf, 0x7FFFFFFF, rule, args)
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def vsprintf(buf: str, rule: str, *args) -> int:
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if buf is None or rule is None: return 0
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return vsnprintf(buf, 0x7FFFFFFF, rule, args)
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export def snprintf(buf: str, size: sizet, fmt: str, *args) -> int:
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if fmt is None: return 0
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if buf is None or size == 0: return vsnprintf(None, 0, fmt, args)
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ret: int = vsnprintf(buf, size, fmt, args)
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return ret
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# Check float special values (IEEE 754): 0=normal, 1=+inf, 2=-inf, 3=nan.
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# Do NOT read the bit pattern via `*&fbits = *&fv`: the assignment is silently dropped (fbits stays 0), so this function would always return 0 and inf would spin forever in the float formatting loops. Use pure float semantics instead (NaN: fv != fv; ±inf: fv - fv is NaN, finite gives 0.0).
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def _check_special_float(fv: double) -> int:
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if fv != fv: return 3
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diff: double = fv - fv
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if diff != diff:
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if fv < 0.0: return 2
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return 1
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return 0
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# The 4th parameter MUST stay named `args`: the printf wrappers forward their own va_list pointer
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# here (vprintf style), and the `arg()` sugar resolves the forwarded va_list by that name.
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export def vsnprintf(buf: bytes, size: sizet, fmt: str, args: str) -> int:
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if fmt is None: return 0
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# Length detection mode: when buf is None, only calculate the formatted length, without actually writing
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# _step=0 makes ptr not advance, repeatedly writing the same dummy byte (harmless), write_count accumulates correctly
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count_mode: int = 0
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_step: int = 1
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_dummy: char = '\0'
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if buf is None or size == 0:
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count_mode = 1
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_step = 0
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buf = &_dummy
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size = 0x7FFFFFFF
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ptr: str = buf
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write_count: int = 0
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temp: [68]char
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temp[0] = '\t'
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while *fmt != 0 and write_count < size - 1:
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if *fmt != 37:
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ptr[0] = *fmt
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write_count += 1
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ptr += _step
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fmt += 1
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else:
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fmt += 1
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if *fmt == 0: break
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width: int = 0
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pad_zero: int = 0
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left_align: int = 0
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show_sign: int = 0
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space_sign: int = 0
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alt_form: int = 0
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precision: int = -1
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is_long: int = 0
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is_long_long: int = 0
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is_size: int = 0
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is_short: int = 0
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is_char: int = 0
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while True:
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if *fmt == 45:
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left_align = 1
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fmt += 1
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elif *fmt == 48:
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pad_zero = 1
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fmt += 1
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elif *fmt == 43:
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show_sign = 1
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fmt += 1
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elif *fmt == 32:
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space_sign = 1
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fmt += 1
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elif *fmt == 35:
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alt_form = 1
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fmt += 1
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else: break
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if show_sign: space_sign = 0
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while *fmt >= 48 and *fmt <= 57:
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width = width * 10 + (*fmt - 48)
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fmt += 1
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if *fmt == 46:
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fmt += 1
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precision = 0
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while *fmt >= 48 and *fmt <= 57:
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precision = precision * 10 + (*fmt - 48)
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fmt += 1
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if left_align: pad_zero = 0
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if *fmt == 108:
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is_long = 1
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fmt += 1
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if *fmt == 108:
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is_long_long = 1
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is_long = 0
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fmt += 1
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elif *fmt == 104:
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is_short = 1
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fmt += 1
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if *fmt == 104:
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is_char = 1
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is_short = 0
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fmt += 1
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elif *fmt == 122:
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is_size = 1
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fmt += 1
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elif *fmt == 106:
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is_long_long = 1
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fmt += 1
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elif *fmt == 116:
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is_long = 1
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fmt += 1
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if *fmt == 99:
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if write_count < size - 1:
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ptr_i: int = arg(int)
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ptr[0] = char(ptr_i)
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write_count += 1
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ptr += _step
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else:
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ptr_i: int = arg(int)
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elif *fmt == 115:
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s: str = arg(rawptr)
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if s is None: s = "(None)"
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slen: int = 0
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sc: str = s
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while *sc != 0:
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slen += 1
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sc += 1
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if not left_align and width > slen:
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pad_count: int = width - slen
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while pad_count > 0 and write_count < size - 1:
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ptr[0] = 32
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write_count += 1
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ptr += _step
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pad_count -= 1
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while *s != 0 and write_count < size - 1:
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ptr[0] = *s
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write_count += 1
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ptr += _step
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s += 1
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if left_align and width > slen:
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pad_count = width - slen
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while pad_count > 0 and write_count < size - 1:
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ptr[0] = 32
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write_count += 1
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ptr += _step
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pad_count -= 1
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elif *fmt == 100 or *fmt == 105:
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if is_long_long or is_size or is_long:
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num_l: int64 = arg(int64)
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else:
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num_l: int64 = int64(arg(int))
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if is_char:
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num_l = int64(char(num_l))
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elif is_short:
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num_l = int64(short(num_l))
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sign: int = 0
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if num_l < 0:
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sign = 1
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if num_l == (-9223372036854775807 - 1):
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u_num: uint64 = uint64(0x8000000000000000)
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else:
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u_num: uint64 = uint64(-num_l)
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else:
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u_num: uint64 = uint64(num_l)
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if show_sign: sign = 2
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elif space_sign: sign = 3
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i: int = 0
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while True:
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if i >= TEMP_BUF_SIZE - 1: break
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temp[i] = char(u_num % 10 + 48)
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i += 1
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u_num //= 10
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if u_num <= 0: break
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if sign == 1 and i < TEMP_BUF_SIZE - 1:
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temp[i] = 45
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i += 1
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elif sign == 2 and i < TEMP_BUF_SIZE - 1:
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temp[i] = 43
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i += 1
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elif sign == 3 and i < TEMP_BUF_SIZE - 1:
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temp[i] = 32
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i += 1
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if not left_align and not pad_zero and width > i:
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pad_count = width - i
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while pad_count > 0 and write_count < size - 1:
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ptr[0] = 32
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write_count += 1
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ptr += _step
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pad_count -= 1
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if pad_zero and width > i:
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pad_count = width - i
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while pad_count > 0 and write_count < size - 1:
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ptr[0] = 48
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write_count += 1
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ptr += _step
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pad_count -= 1
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while i > 0 and write_count < size - 1:
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i -= 1
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ptr[0] = temp[i]
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write_count += 1
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ptr += _step
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if left_align and width > i:
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pad_count = width - i
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while pad_count > 0 and write_count < size - 1:
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ptr[0] = 32
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write_count += 1
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ptr += _step
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pad_count -= 1
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elif *fmt == 117:
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if is_long or is_long_long or is_size:
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u_num_l: uint64 = arg(uint64)
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else:
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u_num_l: uint64 = uint64(uint(arg()))
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i = 0
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while True:
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if i >= TEMP_BUF_SIZE - 1: break
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temp[i] = char(u_num_l % 10 + 48)
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i += 1
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u_num_l //= 10
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if u_num_l <= 0: break
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if not left_align and not pad_zero and width > i:
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pad_count = width - i
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while pad_count > 0 and write_count < size - 1:
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ptr[0] = 32
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write_count += 1
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ptr += _step
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pad_count -= 1
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if pad_zero and width > i:
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pad_count = width - i
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while pad_count > 0 and write_count < size - 1:
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ptr[0] = 48
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write_count += 1
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ptr += _step
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pad_count -= 1
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while i > 0 and write_count < size - 1:
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i -= 1
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ptr[0] = temp[i]
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write_count += 1
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ptr += _step
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if left_align and width > i:
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pad_count = width - i
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while pad_count > 0 and write_count < size - 1:
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ptr[0] = 32
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write_count += 1
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ptr += _step
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pad_count -= 1
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elif *fmt == 120:
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if is_long or is_long_long or is_size:
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u_num_l: uint64 = arg(uint64)
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else:
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u_num_l: uint64 = uint64(uint(arg()))
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is_nonzero: int = 0
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if u_num_l != 0:
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is_nonzero = 1
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i = 0
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while True:
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if i >= TEMP_BUF_SIZE - 1: break
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digit: int = int(u_num_l % 16)
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if digit < 10:
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temp[i] = char(digit + 48)
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else:
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temp[i] = char(digit - 10 + 97)
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u_num_l //= 16
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i += 1
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if u_num_l <= 0: break
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digit_count: int = i
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prefix_len: int = 0
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if alt_form and is_nonzero:
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prefix_len = 2
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effective_len: int = digit_count + prefix_len
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if not left_align and not pad_zero and width > effective_len:
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pad_count = width - effective_len
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while pad_count > 0 and write_count < size - 1:
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ptr[0] = 32
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write_count += 1
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ptr += _step
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pad_count -= 1
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if prefix_len > 0:
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if write_count < size - 1:
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ptr[0] = 48
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write_count += 1
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ptr += _step
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if write_count < size - 1:
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ptr[0] = 120
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write_count += 1
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ptr += _step
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if pad_zero and width > effective_len:
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pad_count = width - effective_len
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while pad_count > 0 and write_count < size - 1:
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ptr[0] = 48
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write_count += 1
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ptr += _step
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pad_count -= 1
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while i > 0 and write_count < size - 1:
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i -= 1
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ptr[0] = temp[i]
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write_count += 1
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ptr += _step
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if left_align and width > effective_len:
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pad_count = width - effective_len
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while pad_count > 0 and write_count < size - 1:
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ptr[0] = 32
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write_count += 1
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ptr += _step
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pad_count -= 1
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elif *fmt == 88:
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if is_long or is_long_long or is_size:
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u_num_l: uint64 = arg()
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else:
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u_num_l: uint64 = uint64(uint(arg()))
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is_nonzero = 0
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if u_num_l != 0:
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is_nonzero = 1
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i = 0
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while True:
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if i >= TEMP_BUF_SIZE - 1: break
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digit = int(u_num_l % 16)
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if digit < 10:
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temp[i] = char(digit + 48)
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else:
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temp[i] = char(digit - 10 + 65)
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u_num_l //= 16
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i += 1
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if u_num_l <= 0: break
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digit_count = i
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prefix_len = 0
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if alt_form and is_nonzero:
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prefix_len = 2
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effective_len = digit_count + prefix_len
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if not left_align and not pad_zero and width > effective_len:
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pad_count = width - effective_len
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while pad_count > 0 and write_count < size - 1:
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ptr[0] = 32
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write_count += 1
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ptr += _step
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pad_count -= 1
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if prefix_len > 0:
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if write_count < size - 1:
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ptr[0] = 48
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write_count += 1
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ptr += _step
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if write_count < size - 1:
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ptr[0] = 88
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write_count += 1
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ptr += _step
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if pad_zero and width > effective_len:
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pad_count = width - effective_len
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while pad_count > 0 and write_count < size - 1:
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ptr[0] = 48
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write_count += 1
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ptr += _step
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pad_count -= 1
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while i > 0 and write_count < size - 1:
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i -= 1
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ptr[0] = temp[i]
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write_count += 1
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ptr += _step
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if left_align and width > effective_len:
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pad_count = width - effective_len
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while pad_count > 0 and write_count < size - 1:
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ptr[0] = 32
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write_count += 1
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ptr += _step
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pad_count -= 1
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elif *fmt == 111:
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if is_long or is_long_long or is_size:
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u_num_l: uint64 = arg(uint64)
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else:
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u_num_l: uint64 = uint64(uint(arg()))
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if is_char:
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u_num_l = uint64(char(u_num_l))
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elif is_short:
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u_num_l = uint64(short(u_num_l))
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i = 0
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if u_num_l == 0 and not alt_form:
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temp[0] = 48
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i = 1
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else:
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while True:
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if i >= TEMP_BUF_SIZE - 1: break
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temp[i] = char(u_num_l % 8 + 48)
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i += 1
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u_num_l //= 8
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if u_num_l <= 0: break
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if alt_form and i < TEMP_BUF_SIZE - 1:
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temp[i] = 48
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i += 1
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if not left_align and not pad_zero and width > i:
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pad_count = width - i
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while pad_count > 0 and write_count < size - 1:
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ptr[0] = 32
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write_count += 1
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ptr += _step
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pad_count -= 1
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if pad_zero and width > i:
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pad_count = width - i
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while pad_count > 0 and write_count < size - 1:
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ptr[0] = 48
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write_count += 1
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ptr += _step
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pad_count -= 1
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while i > 0 and write_count < size - 1:
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i -= 1
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ptr[0] = temp[i]
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write_count += 1
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ptr += _step
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if left_align and width > i:
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pad_count = width - i
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while pad_count > 0 and write_count < size - 1:
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ptr[0] = 32
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write_count += 1
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ptr += _step
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pad_count -= 1
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elif *fmt == 98:
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if is_long or is_long_long or is_size:
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u_num_l: uint64 = arg(uint64)
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else:
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u_num_l: uint64 = uint64(uint(arg()))
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if is_char:
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u_num_l = uint64(char(u_num_l))
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elif is_short:
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u_num_l = uint64(short(u_num_l))
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i = 0
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if u_num_l == 0:
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temp[0] = 48
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i = 1
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else:
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while True:
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if i >= TEMP_BUF_SIZE - 1: break
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temp[i] = char(u_num_l % 2 + 48)
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i += 1
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u_num_l //= 2
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if u_num_l <= 0: break
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if alt_form and i < TEMP_BUF_SIZE - 1:
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temp[i] = 98
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i += 1
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if not left_align and not pad_zero and width > i:
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pad_count = width - i
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while pad_count > 0 and write_count < size - 1:
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ptr[0] = 32
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write_count += 1
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ptr += _step
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pad_count -= 1
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if pad_zero and width > i:
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pad_count = width - i
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while pad_count > 0 and write_count < size - 1:
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ptr[0] = 48
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write_count += 1
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ptr += _step
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pad_count -= 1
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while i > 0 and write_count < size - 1:
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i -= 1
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ptr[0] = temp[i]
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write_count += 1
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ptr += _step
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if left_align and width > i:
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pad_count = width - i
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while pad_count > 0 and write_count < size - 1:
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ptr[0] = 32
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write_count += 1
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ptr += _step
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pad_count -= 1
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elif *fmt == 112:
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ptr_val: uint64 = uint64(arg(rawptr))
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if ptr_val == 0:
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temp[0] = 40
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temp[1] = 110
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temp[2] = 105
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temp[3] = 108
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temp[4] = 41
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i = 5
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else:
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u_num_l = ptr_val
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i = 0
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while True:
|
||
if i >= TEMP_BUF_SIZE - 1: break
|
||
digit = int(u_num_l % 16)
|
||
if digit < 10:
|
||
temp[i] = char(digit + 48)
|
||
else:
|
||
temp[i] = char(digit - 10 + 97)
|
||
u_num_l //= 16
|
||
i += 1
|
||
if u_num_l <= 0: break
|
||
if i < TEMP_BUF_SIZE - 1:
|
||
temp[i] = 120
|
||
i += 1
|
||
if i < TEMP_BUF_SIZE - 1:
|
||
temp[i] = 48
|
||
i += 1
|
||
if not left_align and not pad_zero and width > i:
|
||
pad_count = width - i
|
||
while pad_count > 0 and write_count < size - 1:
|
||
ptr[0] = 32
|
||
write_count += 1
|
||
ptr += _step
|
||
pad_count -= 1
|
||
if pad_zero and width > i:
|
||
pad_count = width - i
|
||
while pad_count > 0 and write_count < size - 1:
|
||
ptr[0] = 48
|
||
write_count += 1
|
||
ptr += _step
|
||
pad_count -= 1
|
||
while i > 0 and write_count < size - 1:
|
||
i -= 1
|
||
ptr[0] = temp[i]
|
||
write_count += 1
|
||
ptr += _step
|
||
if left_align and width > i:
|
||
pad_count = width - i
|
||
while pad_count > 0 and write_count < size - 1:
|
||
ptr[0] = 32
|
||
write_count += 1
|
||
ptr += _step
|
||
pad_count -= 1
|
||
elif *fmt == 102 or *fmt == 70:
|
||
f_upper: int = 1 if *fmt == 70 else 0
|
||
if precision < 0: precision = 6
|
||
fv: double = arg(double)
|
||
f_sp: int = _check_special_float(fv)
|
||
if f_sp != 0:
|
||
f_sgn_len: int = 0
|
||
if f_sp == 2:
|
||
f_sgn_len = 1
|
||
elif f_sp == 1 and show_sign:
|
||
f_sgn_len = 1
|
||
elif f_sp == 1 and space_sign:
|
||
f_sgn_len = 1
|
||
f_total_len: int = f_sgn_len + 3
|
||
if not left_align and width > f_total_len:
|
||
f_pad: int = width - f_total_len
|
||
while f_pad > 0 and write_count < size - 1:
|
||
ptr[0] = 32
|
||
write_count += 1
|
||
ptr += _step
|
||
f_pad -= 1
|
||
if f_sp == 2:
|
||
if write_count < size - 1:
|
||
ptr[0] = 45
|
||
write_count += 1
|
||
ptr += _step
|
||
elif f_sp == 1 and show_sign:
|
||
if write_count < size - 1:
|
||
ptr[0] = 43
|
||
write_count += 1
|
||
ptr += _step
|
||
elif f_sp == 1 and space_sign:
|
||
if write_count < size - 1:
|
||
ptr[0] = 32
|
||
write_count += 1
|
||
ptr += _step
|
||
fi_c: int = 0
|
||
while fi_c < 3 and write_count < size - 1:
|
||
fc: int = 0
|
||
if f_sp == 3:
|
||
# nan
|
||
if fi_c == 0:
|
||
fc = 110
|
||
elif fi_c == 1:
|
||
fc = 97
|
||
else:
|
||
fc = 110
|
||
else:
|
||
# inf (f_sp==1 +inf or f_sp==2 -inf)
|
||
if fi_c == 0:
|
||
fc = 105
|
||
elif fi_c == 1:
|
||
fc = 110
|
||
else:
|
||
fc = 102
|
||
if f_upper and fc >= 97 and fc <= 122:
|
||
fc -= 32
|
||
ptr[0] = char(fc)
|
||
write_count += 1
|
||
ptr += _step
|
||
fi_c += 1
|
||
if left_align and width > f_total_len:
|
||
f_pad = width - f_total_len
|
||
while f_pad > 0 and write_count < size - 1:
|
||
ptr[0] = 32
|
||
write_count += 1
|
||
ptr += _step
|
||
f_pad -= 1
|
||
fmt += 1
|
||
continue
|
||
if fv < 0.0:
|
||
if write_count < size - 1:
|
||
ptr[0] = 45
|
||
write_count += 1
|
||
ptr += _step
|
||
fv = 0.0 - fv
|
||
elif show_sign:
|
||
if write_count < size - 1:
|
||
ptr[0] = 43
|
||
write_count += 1
|
||
ptr += _step
|
||
elif space_sign:
|
||
if write_count < size - 1:
|
||
ptr[0] = 32
|
||
write_count += 1
|
||
ptr += _step
|
||
di: int = 0
|
||
work: double = fv
|
||
if work < 1.0:
|
||
temp[0] = 48
|
||
di = 1
|
||
else:
|
||
scale: double = 1.0
|
||
# Upper-bound guard: inf makes `work >= scale*10.0` always true; finite values need at most 308 iterations
|
||
scale_guard: int = 0
|
||
while work >= scale * 10.0 and scale_guard < 400:
|
||
scale *= 10.0
|
||
scale_guard += 1
|
||
while scale >= 1.0 and di < TEMP_BUF_SIZE - 1:
|
||
d: int = int(work / scale)
|
||
if d > 9: d = 9
|
||
temp[di] = char(d + 48)
|
||
di += 1
|
||
work = work - double(d) * scale
|
||
scale /= 10.0
|
||
frac_val: double = work
|
||
for p in range(int(precision)):
|
||
frac_val *= 10.0
|
||
frac_part: uint64 = uint64(frac_val + 0.5)
|
||
f_total: int = di + (precision + 1 if precision > 0 else 0)
|
||
if not left_align and not pad_zero and width > f_total:
|
||
pad_count = width - f_total
|
||
while pad_count > 0 and write_count < size - 1:
|
||
ptr[0] = 32
|
||
write_count += 1
|
||
ptr += _step
|
||
pad_count -= 1
|
||
if pad_zero and width > f_total:
|
||
pad_count = width - f_total
|
||
while pad_count > 0 and write_count < size - 1:
|
||
ptr[0] = 48
|
||
write_count += 1
|
||
ptr += _step
|
||
pad_count -= 1
|
||
while di > 0 and write_count < size - 1:
|
||
di -= 1
|
||
ptr[0] = temp[di]
|
||
write_count += 1
|
||
ptr += _step
|
||
if precision > 0:
|
||
if write_count < size - 1:
|
||
ptr[0] = 46
|
||
write_count += 1
|
||
ptr += _step
|
||
fi: int = 0
|
||
while fi < precision and fi < TEMP_BUF_SIZE - 1:
|
||
temp[fi] = char(frac_part % 10 + 48)
|
||
fi += 1
|
||
frac_part //= 10
|
||
while fi < precision and fi < TEMP_BUF_SIZE - 1:
|
||
temp[fi] = 48
|
||
fi += 1
|
||
while fi > 0 and write_count < size - 1:
|
||
fi -= 1
|
||
ptr[0] = temp[fi]
|
||
write_count += 1
|
||
ptr += _step
|
||
elif alt_form:
|
||
if write_count < size - 1:
|
||
ptr[0] = 46
|
||
write_count += 1
|
||
ptr += _step
|
||
if left_align and width > f_total:
|
||
pad_count = width - f_total
|
||
while pad_count > 0 and write_count < size - 1:
|
||
ptr[0] = 32
|
||
write_count += 1
|
||
ptr += _step
|
||
pad_count -= 1
|
||
elif *fmt == 101 or *fmt == 69:
|
||
if precision < 0: precision = 6
|
||
fv: double = arg(double)
|
||
e_upper: int = 1 if *fmt == 69 else 0
|
||
e_sp: int = _check_special_float(fv)
|
||
if e_sp != 0:
|
||
e_sgn_len: int = 0
|
||
if e_sp == 2:
|
||
e_sgn_len = 1
|
||
elif e_sp == 1 and show_sign:
|
||
e_sgn_len = 1
|
||
elif e_sp == 1 and space_sign:
|
||
e_sgn_len = 1
|
||
e_total_len: int = e_sgn_len + 3
|
||
if not left_align and width > e_total_len:
|
||
e_pad: int = width - e_total_len
|
||
while e_pad > 0 and write_count < size - 1:
|
||
ptr[0] = 32
|
||
write_count += 1
|
||
ptr += _step
|
||
e_pad -= 1
|
||
if e_sp == 2:
|
||
if write_count < size - 1:
|
||
ptr[0] = 45
|
||
write_count += 1
|
||
ptr += _step
|
||
elif e_sp == 1 and show_sign:
|
||
if write_count < size - 1:
|
||
ptr[0] = 43
|
||
write_count += 1
|
||
ptr += _step
|
||
elif e_sp == 1 and space_sign:
|
||
if write_count < size - 1:
|
||
ptr[0] = 32
|
||
write_count += 1
|
||
ptr += _step
|
||
ei_c: int = 0
|
||
while ei_c < 3 and write_count < size - 1:
|
||
ec: int = 0
|
||
if e_sp == 3:
|
||
# nan
|
||
if ei_c == 0:
|
||
ec = 110
|
||
elif ei_c == 1:
|
||
ec = 97
|
||
else:
|
||
ec = 110
|
||
else:
|
||
# inf (e_sp==1 +inf or e_sp==2 -inf)
|
||
if ei_c == 0:
|
||
ec = 105
|
||
elif ei_c == 1:
|
||
ec = 110
|
||
else:
|
||
ec = 102
|
||
if e_upper and ec >= 97 and ec <= 122:
|
||
ec -= 32
|
||
ptr[0] = char(ec)
|
||
write_count += 1
|
||
ptr += _step
|
||
ei_c += 1
|
||
if left_align and width > e_total_len:
|
||
e_pad = width - e_total_len
|
||
while e_pad > 0 and write_count < size - 1:
|
||
ptr[0] = 32
|
||
write_count += 1
|
||
ptr += _step
|
||
e_pad -= 1
|
||
fmt += 1
|
||
continue
|
||
if fv < 0.0:
|
||
if write_count < size - 1:
|
||
ptr[0] = 45
|
||
write_count += 1
|
||
ptr += _step
|
||
fv = 0.0 - fv
|
||
elif show_sign:
|
||
if write_count < size - 1:
|
||
ptr[0] = 43
|
||
write_count += 1
|
||
ptr += _step
|
||
elif space_sign:
|
||
if write_count < size - 1:
|
||
ptr[0] = 32
|
||
write_count += 1
|
||
ptr += _step
|
||
exp10: int = 0
|
||
if fv != 0.0:
|
||
# Upper-bound guard: inf makes the two loops below always true (inf/10==inf, inf*10==inf)
|
||
exp_guard: int = 0
|
||
while fv >= 10.0 and exp_guard < 400:
|
||
fv /= 10.0
|
||
exp10 += 1
|
||
exp_guard += 1
|
||
exp_guard = 0
|
||
while fv < 1.0 and exp_guard < 400:
|
||
fv *= 10.0
|
||
exp10 -= 1
|
||
exp_guard += 1
|
||
int_digit: int = int(fv)
|
||
if int_digit > 9: int_digit = 9
|
||
if int_digit < 0: int_digit = 0
|
||
frac_v: double = fv - double(int_digit)
|
||
p: int = 0
|
||
while p < precision:
|
||
frac_v *= 10.0
|
||
p += 1
|
||
frac_p: uint64 = uint64(frac_v + 0.5)
|
||
carry: uint64 = 1
|
||
for p in range(int(precision)):
|
||
carry *= 10
|
||
if frac_p >= carry and carry > 0:
|
||
frac_p = 0
|
||
int_digit += 1
|
||
if int_digit > 9:
|
||
int_digit = 1
|
||
exp10 += 1
|
||
e_total: int = 1 + (precision + 1 if precision > 0 else 0) + 4
|
||
if not left_align and not pad_zero and width > e_total:
|
||
pad_count = width - e_total
|
||
while pad_count > 0 and write_count < size - 1:
|
||
ptr[0] = 32
|
||
write_count += 1
|
||
ptr += _step
|
||
pad_count -= 1
|
||
if pad_zero and width > e_total:
|
||
pad_count = width - e_total
|
||
while pad_count > 0 and write_count < size - 1:
|
||
ptr[0] = 48
|
||
write_count += 1
|
||
ptr += _step
|
||
pad_count -= 1
|
||
if write_count < size - 1:
|
||
ptr[0] = char(int_digit + 48)
|
||
write_count += 1
|
||
ptr += _step
|
||
if precision > 0:
|
||
if write_count < size - 1:
|
||
ptr[0] = 46
|
||
write_count += 1
|
||
ptr += _step
|
||
fi: int = 0
|
||
while fi < precision and fi < TEMP_BUF_SIZE - 1:
|
||
temp[fi] = char(frac_p % 10 + 48)
|
||
fi += 1
|
||
frac_p //= 10
|
||
while fi < precision and fi < TEMP_BUF_SIZE - 1:
|
||
temp[fi] = 48
|
||
fi += 1
|
||
while fi > 0 and write_count < size - 1:
|
||
fi -= 1
|
||
ptr[0] = temp[fi]
|
||
write_count += 1
|
||
ptr += _step
|
||
elif alt_form:
|
||
if write_count < size - 1:
|
||
ptr[0] = 46
|
||
write_count += 1
|
||
ptr += _step
|
||
if write_count < size - 1:
|
||
ptr[0] = char(101 if e_upper == 0 else 69)
|
||
write_count += 1
|
||
ptr += _step
|
||
if write_count < size - 1:
|
||
ptr[0] = char(45 if exp10 < 0 else 43)
|
||
write_count += 1
|
||
ptr += _step
|
||
exp_abs: uint64 = uint64(exp10) if exp10 >= 0 else uint64(0 - exp10)
|
||
ei: int = 0
|
||
if exp_abs == 0:
|
||
temp[0] = 48
|
||
temp[1] = 48
|
||
ei = 2
|
||
else:
|
||
while exp_abs > 0 and ei < TEMP_BUF_SIZE - 1:
|
||
temp[ei] = char(exp_abs % 10 + 48)
|
||
ei += 1
|
||
exp_abs //= 10
|
||
while ei < 2:
|
||
temp[ei] = 48
|
||
ei += 1
|
||
while ei > 0 and write_count < size - 1:
|
||
ei -= 1
|
||
ptr[0] = temp[ei]
|
||
write_count += 1
|
||
ptr += _step
|
||
if left_align and width > e_total:
|
||
pad_count = width - e_total
|
||
while pad_count > 0 and write_count < size - 1:
|
||
ptr[0] = 32
|
||
write_count += 1
|
||
ptr += _step
|
||
pad_count -= 1
|
||
elif *fmt == 103 or *fmt == 71:
|
||
if precision < 0: precision = 6
|
||
if precision == 0: precision = 1
|
||
fv: double = arg(double)
|
||
g_upper: int = 1 if *fmt == 71 else 0
|
||
g_sp: int = _check_special_float(fv)
|
||
if g_sp != 0:
|
||
g_sgn_len: int = 0
|
||
if g_sp == 2:
|
||
g_sgn_len = 1
|
||
elif g_sp == 1 and show_sign:
|
||
g_sgn_len = 1
|
||
elif g_sp == 1 and space_sign:
|
||
g_sgn_len = 1
|
||
g_total_len: int = g_sgn_len + 3
|
||
if not left_align and width > g_total_len:
|
||
g_pad: int = width - g_total_len
|
||
while g_pad > 0 and write_count < size - 1:
|
||
ptr[0] = 32
|
||
write_count += 1
|
||
ptr += _step
|
||
g_pad -= 1
|
||
if g_sp == 2:
|
||
if write_count < size - 1:
|
||
ptr[0] = 45
|
||
write_count += 1
|
||
ptr += _step
|
||
elif g_sp == 1 and show_sign:
|
||
if write_count < size - 1:
|
||
ptr[0] = 43
|
||
write_count += 1
|
||
ptr += _step
|
||
elif g_sp == 1 and space_sign:
|
||
if write_count < size - 1:
|
||
ptr[0] = 32
|
||
write_count += 1
|
||
ptr += _step
|
||
gi_c: int = 0
|
||
while gi_c < 3 and write_count < size - 1:
|
||
gc: int = 0
|
||
if g_sp == 3:
|
||
# nan
|
||
if gi_c == 0:
|
||
gc = 110
|
||
elif gi_c == 1:
|
||
gc = 97
|
||
else:
|
||
gc = 110
|
||
else:
|
||
# inf (g_sp==1 +inf or g_sp==2 -inf)
|
||
if gi_c == 0:
|
||
gc = 105
|
||
elif gi_c == 1:
|
||
gc = 110
|
||
else:
|
||
gc = 102
|
||
if g_upper and gc >= 97 and gc <= 122:
|
||
gc -= 32
|
||
ptr[0] = char(gc)
|
||
write_count += 1
|
||
ptr += _step
|
||
gi_c += 1
|
||
if left_align and width > g_total_len:
|
||
g_pad = width - g_total_len
|
||
while g_pad > 0 and write_count < size - 1:
|
||
ptr[0] = 32
|
||
write_count += 1
|
||
ptr += _step
|
||
g_pad -= 1
|
||
fmt += 1
|
||
continue
|
||
if fv < 0.0:
|
||
if write_count < size - 1:
|
||
ptr[0] = 45
|
||
write_count += 1
|
||
ptr += _step
|
||
fv = 0.0 - fv
|
||
elif show_sign:
|
||
if write_count < size - 1:
|
||
ptr[0] = 43
|
||
write_count += 1
|
||
ptr += _step
|
||
elif space_sign:
|
||
if write_count < size - 1:
|
||
ptr[0] = 32
|
||
write_count += 1
|
||
ptr += _step
|
||
fv_orig: double = fv
|
||
exp10: int = 0
|
||
if fv != 0.0:
|
||
# Upper-bound guard: this loop is where it hangs (inf makes fv>=10.0 always true, inf/10==inf)
|
||
exp_guard: int = 0
|
||
while fv >= 10.0 and exp_guard < 400:
|
||
fv /= 10.0
|
||
exp10 += 1
|
||
exp_guard += 1
|
||
exp_guard = 0
|
||
while fv < 1.0 and exp_guard < 400:
|
||
fv *= 10.0
|
||
exp10 -= 1
|
||
exp_guard += 1
|
||
g_use_e: int = 0
|
||
if exp10 < -4 or exp10 >= precision:
|
||
g_use_e = 1
|
||
g_len: int = 0
|
||
if g_use_e:
|
||
int_digit: int = int(fv)
|
||
if int_digit > 9: int_digit = 9
|
||
if int_digit < 0: int_digit = 0
|
||
frac_v: double = fv - double(int_digit)
|
||
prec_e: int = precision - 1
|
||
p: int = 0
|
||
while p < prec_e:
|
||
frac_v *= 10.0
|
||
p += 1
|
||
frac_p: uint64 = uint64(frac_v + 0.5)
|
||
carry: uint64 = 1
|
||
for p in range(int(prec_e)):
|
||
carry *= 10
|
||
if frac_p >= carry and carry > 0:
|
||
frac_p = 0
|
||
int_digit += 1
|
||
if int_digit > 9:
|
||
int_digit = 1
|
||
exp10 += 1
|
||
temp[0] = char(int_digit + 48)
|
||
g_len = 1
|
||
if prec_e > 0:
|
||
temp[1] = 46
|
||
g_len = 2
|
||
# Store fraction digits in reverse order (ones place at g_len+prec_e-1) so temp is already forward-ordered.
|
||
# The original swap-reverse loop fails in TPV output (digits not reversed, e.g. 456->654); reverse storage matches %f's output and avoids the three-variable swap.
|
||
fi: int = 0
|
||
fp_inv: uint64 = frac_p
|
||
fp_idx: int = g_len + prec_e - 1
|
||
while fi < prec_e and fp_idx < TEMP_BUF_SIZE - 1:
|
||
temp[fp_idx] = char(fp_inv % 10 + 48)
|
||
fp_idx -= 1
|
||
fp_inv //= 10
|
||
fi += 1
|
||
g_len += prec_e
|
||
else:
|
||
prec_f: int = precision - 1 - exp10
|
||
if prec_f < 0: prec_f = 0
|
||
work: double = fv_orig
|
||
if work < 1.0:
|
||
temp[0] = 48
|
||
g_len = 1
|
||
else:
|
||
scale: double = 1.0
|
||
# Upper-bound guard: inf makes `work >= scale*10.0` always true; finite values need at most 308 iterations
|
||
scale_guard: int = 0
|
||
while work >= scale * 10.0 and scale_guard < 400:
|
||
scale *= 10.0
|
||
scale_guard += 1
|
||
while scale >= 1.0 and g_len < TEMP_BUF_SIZE - 1:
|
||
d: int = int(work / scale)
|
||
if d > 9: d = 9
|
||
temp[g_len] = char(d + 48)
|
||
g_len += 1
|
||
work = work - double(d) * scale
|
||
scale /= 10.0
|
||
if prec_f > 0 and g_len < TEMP_BUF_SIZE - 1:
|
||
temp[g_len] = 46
|
||
g_len += 1
|
||
frac_val: double = work
|
||
for p in range(int(prec_f)):
|
||
frac_val *= 10.0
|
||
frac_part: uint64 = uint64(frac_val + 0.5)
|
||
# Store decimal digits in reverse order (ones place goes to g_len prec_f-1), temp is directly in forward order.
|
||
# The original swap-reverse loop doesn't work in TPV compiled output (decimal digits aren't reversed, e.g., 456->654),
|
||
# Change to reverse storage, consistent with %f's reverse output, avoiding three-variable swapping.
|
||
fi = 0
|
||
fp_inv: uint64 = frac_part
|
||
fp_idx: int = g_len + prec_f - 1
|
||
while fi < prec_f and fp_idx < TEMP_BUF_SIZE - 1:
|
||
temp[fp_idx] = char(fp_inv % 10 + 48)
|
||
fp_idx -= 1
|
||
fp_inv //= 10
|
||
fi += 1
|
||
g_len += prec_f
|
||
if not alt_form and g_len > 0:
|
||
while g_len > 0:
|
||
if temp[g_len - 1] == 48:
|
||
g_len -= 1
|
||
else:
|
||
break
|
||
if g_len > 0 and temp[g_len - 1] == 46:
|
||
g_len -= 1
|
||
g_total: int = g_len
|
||
if g_use_e: g_total = g_len + 4
|
||
if not left_align and not pad_zero and width > g_total:
|
||
pad_count = width - g_total
|
||
while pad_count > 0 and write_count < size - 1:
|
||
ptr[0] = 32
|
||
write_count += 1
|
||
ptr += _step
|
||
pad_count -= 1
|
||
if pad_zero and width > g_total:
|
||
pad_count = width - g_total
|
||
while pad_count > 0 and write_count < size - 1:
|
||
ptr[0] = 48
|
||
write_count += 1
|
||
ptr += _step
|
||
pad_count -= 1
|
||
gi: int = 0
|
||
while gi < g_len and write_count < size - 1:
|
||
ptr[0] = temp[gi]
|
||
write_count += 1
|
||
ptr += _step
|
||
gi += 1
|
||
if g_use_e:
|
||
if write_count < size - 1:
|
||
ptr[0] = char(101 if g_upper == 0 else 69)
|
||
write_count += 1
|
||
ptr += _step
|
||
if write_count < size - 1:
|
||
ptr[0] = char(45 if exp10 < 0 else 43)
|
||
write_count += 1
|
||
ptr += _step
|
||
exp_abs: uint64 = uint64(exp10) if exp10 >= 0 else uint64(0 - exp10)
|
||
ei: int = 0
|
||
if exp_abs == 0:
|
||
temp[0] = 48
|
||
temp[1] = 48
|
||
ei = 2
|
||
else:
|
||
while exp_abs > 0 and ei < TEMP_BUF_SIZE - 1:
|
||
temp[ei] = char(exp_abs % 10 + 48)
|
||
ei += 1
|
||
exp_abs //= 10
|
||
while ei < 2:
|
||
temp[ei] = 48
|
||
ei += 1
|
||
while ei > 0 and write_count < size - 1:
|
||
ei -= 1
|
||
ptr[0] = temp[ei]
|
||
write_count += 1
|
||
ptr += _step
|
||
if left_align and width > g_total:
|
||
pad_count = width - g_total
|
||
while pad_count > 0 and write_count < size - 1:
|
||
ptr[0] = 32
|
||
write_count += 1
|
||
ptr += _step
|
||
pad_count -= 1
|
||
elif *fmt == 97 or *fmt == 65:
|
||
a_upper: int = 1 if *fmt == 65 else 0
|
||
fv: double = arg(double)
|
||
a_sp: int = _check_special_float(fv)
|
||
if a_sp != 0:
|
||
a_sgn_len: int = 0
|
||
if a_sp == 2:
|
||
a_sgn_len = 1
|
||
elif a_sp == 1 and show_sign:
|
||
a_sgn_len = 1
|
||
elif a_sp == 1 and space_sign:
|
||
a_sgn_len = 1
|
||
a_total_len: int = a_sgn_len + 3
|
||
if not left_align and width > a_total_len:
|
||
a_pad: int = width - a_total_len
|
||
while a_pad > 0 and write_count < size - 1:
|
||
ptr[0] = 32
|
||
write_count += 1
|
||
ptr += _step
|
||
a_pad -= 1
|
||
if a_sp == 2:
|
||
if write_count < size - 1:
|
||
ptr[0] = 45
|
||
write_count += 1
|
||
ptr += _step
|
||
elif a_sp == 1 and show_sign:
|
||
if write_count < size - 1:
|
||
ptr[0] = 43
|
||
write_count += 1
|
||
ptr += _step
|
||
elif a_sp == 1 and space_sign:
|
||
if write_count < size - 1:
|
||
ptr[0] = 32
|
||
write_count += 1
|
||
ptr += _step
|
||
ai_c: int = 0
|
||
while ai_c < 3 and write_count < size - 1:
|
||
ac: int = 0
|
||
if a_sp == 3:
|
||
# nan
|
||
if ai_c == 0:
|
||
ac = 110
|
||
elif ai_c == 1:
|
||
ac = 97
|
||
else:
|
||
ac = 110
|
||
else:
|
||
# inf (a_sp==1 +inf or a_sp==2 -inf)
|
||
if ai_c == 0:
|
||
ac = 105
|
||
elif ai_c == 1:
|
||
ac = 110
|
||
else:
|
||
ac = 102
|
||
if a_upper and ac >= 97 and ac <= 122:
|
||
ac -= 32
|
||
ptr[0] = char(ac)
|
||
write_count += 1
|
||
ptr += _step
|
||
ai_c += 1
|
||
if left_align and width > a_total_len:
|
||
a_pad = width - a_total_len
|
||
while a_pad > 0 and write_count < size - 1:
|
||
ptr[0] = 32
|
||
write_count += 1
|
||
ptr += _step
|
||
a_pad -= 1
|
||
fmt += 1
|
||
continue
|
||
fbits: uint64 = 0
|
||
*&fbits = *&fv
|
||
a_neg: int = 1 if (fbits >> 63) != 0 else 0
|
||
a_exp: int = int((fbits >> 52) & 0x7FF)
|
||
a_frac: uint64 = fbits & 0x000FFFFFFFFFFFFF
|
||
a_leading: int = 0
|
||
a_binexp: int = 0
|
||
if a_exp == 0:
|
||
a_leading = 0
|
||
if a_frac == 0:
|
||
a_binexp = 0
|
||
else:
|
||
a_binexp = -1022
|
||
else:
|
||
a_leading = 1
|
||
a_binexp = a_exp - 1023
|
||
a_prec: int = precision
|
||
if a_prec < 0:
|
||
a_prec = 13
|
||
if a_prec > 50:
|
||
a_prec = 50
|
||
a_hi: int = 0
|
||
while a_hi < 13 and a_hi < a_prec:
|
||
a_digit: int = int((a_frac >> (48 - 4 * a_hi)) & 0xF)
|
||
if a_digit < 10:
|
||
temp[a_hi] = char(a_digit + 48)
|
||
else:
|
||
if a_upper:
|
||
temp[a_hi] = char(a_digit - 10 + 65)
|
||
else:
|
||
temp[a_hi] = char(a_digit - 10 + 97)
|
||
a_hi += 1
|
||
while a_hi < a_prec:
|
||
temp[a_hi] = 48
|
||
a_hi += 1
|
||
a_hd_count: int = a_prec
|
||
if precision < 0:
|
||
while a_hd_count > 0 and temp[a_hd_count - 1] == 48:
|
||
a_hd_count -= 1
|
||
a_has_dot: int = 0
|
||
if a_hd_count > 0:
|
||
a_has_dot = 1
|
||
elif alt_form:
|
||
a_has_dot = 1
|
||
a_eb: int = a_binexp
|
||
a_esign: int = 0
|
||
if a_binexp < 0:
|
||
a_esign = 1
|
||
a_eb = -a_binexp
|
||
a_ei: int = 0
|
||
if a_eb == 0:
|
||
temp[60] = 48
|
||
a_ei = 1
|
||
else:
|
||
while a_eb > 0 and a_ei < 7:
|
||
temp[60 + a_ei] = char(a_eb % 10 + 48)
|
||
a_ei += 1
|
||
a_eb //= 10
|
||
a_ecount: int = a_ei
|
||
a_sign_len: int = 0
|
||
if a_neg:
|
||
a_sign_len = 1
|
||
elif show_sign:
|
||
a_sign_len = 1
|
||
elif space_sign:
|
||
a_sign_len = 1
|
||
a_content_len: int = a_sign_len + 2 + 1 + a_has_dot + a_hd_count + 1 + 1 + a_ecount
|
||
if not left_align and not pad_zero and width > a_content_len:
|
||
a_pad = width - a_content_len
|
||
while a_pad > 0 and write_count < size - 1:
|
||
ptr[0] = 32
|
||
write_count += 1
|
||
ptr += _step
|
||
a_pad -= 1
|
||
if a_neg:
|
||
if write_count < size - 1:
|
||
ptr[0] = 45
|
||
write_count += 1
|
||
ptr += _step
|
||
elif show_sign:
|
||
if write_count < size - 1:
|
||
ptr[0] = 43
|
||
write_count += 1
|
||
ptr += _step
|
||
elif space_sign:
|
||
if write_count < size - 1:
|
||
ptr[0] = 32
|
||
write_count += 1
|
||
ptr += _step
|
||
if pad_zero and width > a_content_len:
|
||
a_pad = width - a_content_len
|
||
while a_pad > 0 and write_count < size - 1:
|
||
ptr[0] = 48
|
||
write_count += 1
|
||
ptr += _step
|
||
a_pad -= 1
|
||
if write_count < size - 1:
|
||
ptr[0] = 48
|
||
write_count += 1
|
||
ptr += _step
|
||
if write_count < size - 1:
|
||
if a_upper:
|
||
ptr[0] = 88
|
||
else:
|
||
ptr[0] = 120
|
||
write_count += 1
|
||
ptr += _step
|
||
if write_count < size - 1:
|
||
ptr[0] = char(a_leading + 48)
|
||
write_count += 1
|
||
ptr += _step
|
||
if a_has_dot:
|
||
if write_count < size - 1:
|
||
ptr[0] = 46
|
||
write_count += 1
|
||
ptr += _step
|
||
a_hj: int = 0
|
||
while a_hj < a_hd_count and write_count < size - 1:
|
||
ptr[0] = temp[a_hj]
|
||
write_count += 1
|
||
ptr += _step
|
||
a_hj += 1
|
||
if write_count < size - 1:
|
||
if a_upper:
|
||
ptr[0] = 80
|
||
else:
|
||
ptr[0] = 112
|
||
write_count += 1
|
||
ptr += _step
|
||
if write_count < size - 1:
|
||
if a_esign:
|
||
ptr[0] = 45
|
||
else:
|
||
ptr[0] = 43
|
||
write_count += 1
|
||
ptr += _step
|
||
a_ek: int = a_ecount
|
||
while a_ek > 0 and write_count < size - 1:
|
||
a_ek -= 1
|
||
ptr[0] = temp[60 + a_ek]
|
||
write_count += 1
|
||
ptr += _step
|
||
if left_align and width > a_content_len:
|
||
a_pad = width - a_content_len
|
||
while a_pad > 0 and write_count < size - 1:
|
||
ptr[0] = 32
|
||
write_count += 1
|
||
ptr += _step
|
||
a_pad -= 1
|
||
elif *fmt == 110:
|
||
if is_long_long or is_long:
|
||
np: int64* = arg(int64*)
|
||
if np != None:
|
||
np[0] = int64(write_count)
|
||
elif is_short:
|
||
sp: short* = arg(short*)
|
||
if sp != None:
|
||
sp[0] = short(write_count)
|
||
elif is_char:
|
||
cp: str = arg(str)
|
||
if cp != None:
|
||
cp[0] = char(write_count)
|
||
else:
|
||
ip: int* = arg(int*)
|
||
if ip != None:
|
||
ip[0] = write_count
|
||
elif *fmt == 37:
|
||
if write_count < size - 1:
|
||
ptr[0] = 37
|
||
write_count += 1
|
||
ptr += _step
|
||
else:
|
||
if write_count < size - 1:
|
||
ptr[0] = *fmt
|
||
write_count += 1
|
||
ptr += _step
|
||
fmt += 1
|
||
ptr[0] = 0
|
||
return write_count
|