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lib: rename stdlib surface to Hare names; add endian/math

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Sweeping rename so the lib/ surface mirrors Hare's stdlib spellings.
- ascii: rune-taking predicates; ishex -> isxdigit
- bufio: rinit -> init; take1/takeline -> readbyte/readline
- bytes: indexsub -> index
- encoding/utf8: runelen -> runesz
- errors: eEOF/eShortRead/... -> eof/underread/...
- fmt: errln -> errorln; println/fprintln return i64
- os: readfull/writefull -> readall/writeall; unlink -> remove
- path: isabs -> abs; drop lastindex (now strings.rbyteindex)
- strconv: u64toa/i64toa -> u64tos/i64tos; parse64/parseu64 -> stoi64/stou64
- strings: drop len/isempty; equal -> compare; indexbyte -> byteindex; +rbyteindex
- types: drop numeric helpers (moved to math)
- new lib/endian (htonu16/ntohu16), lib/math (absi32/absi64)
- net: drop htons (use endian.htonu16)

Callers in selfhost/, lib/ww/, cmd/w6c/cgen.c, and test/wcc/700_e2e.c
updated to match.
This commit is contained in:
Hojun-Cho
2026-05-12 00:45:18 +09:00
parent 35421f2561
commit 1ac1d985f6
37 changed files with 597 additions and 568 deletions
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34
lib/bufio/bufio.ww
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@@ -17,7 +17,7 @@ type buf = struct {
w: i32, // write cursor (for writers)
};
export fn rinit(b: *buf, s: streamp, data: *u8, cap: i32) void = {
export fn init(b: *buf, s: streamp, data: *u8, cap: i32) void = {
b.s = s;
b.data = data;
b.cap = cap;
@@ -25,18 +25,10 @@ export fn rinit(b: *buf, s: streamp, data: *u8, cap: i32) void = {
b.w = 0;
};
// peek1 — look at the next byte without consuming. Returns -1 on
// empty buffer; the caller is responsible for refilling via the
// stream when this happens.
export fn peek1(b: *buf) i32 = {
if (b.r < b.w) {
return b.data[b.r]: i32;
};
return -1;
};
// take1 — pop one byte. -1 if empty.
export fn take1(b: *buf) i32 = {
// readbyte — pop one byte. -1 if empty. Hare name (transliterated
// from `read_byte`); the `-1`-for-EOF return is the sanctioned subset
// of Hare's `(u8 | EOF | error)`.
export fn readbyte(b: *buf) i32 = {
if (b.r < b.w) {
let c: u8 = b.data[b.r];
b.r += 1;
@@ -45,27 +37,23 @@ export fn take1(b: *buf) i32 = {
return -1;
};
// avail — bytes left to read out of the buffer.
export fn avail(b: *buf) i32 = {
return b.w - b.r;
};
// Distinct alias so `(str | linerr)` has two variant types the
// tagged-union machinery can keep apart at the tag level. The error
// variant carries a short description; callers compare with errors.equal
// or just inspect by length.
type linerr = str;
// takeline — Hare-style fallible line read. Drains the buffer up to
// (but not including) the next '\n' and advances the cursor past the
// newline. Returns the line as a borrowed str on success, or a linerr
// describing why no line was available:
// readline — Hare-style fallible line read (name transliterated from
// `read_line`). Drains the buffer up to (but not including) the next
// '\n' and advances the cursor past the newline. Returns the line as
// a borrowed str on success, or a linerr describing why no line was
// available:
// - "eof" when the buffer is empty
// - "no newline" when the buffer contains data but no '\n'
//
// The returned str borrows from the underlying buffer; callers must
// consume it (or copy) before refilling.
export fn takeline(b: *buf) (str | linerr) = {
export fn readline(b: *buf) (str | linerr) = {
if (b.r >= b.w) { return "eof": linerr; };
let i: i32 = b.r;
for (i < b.w) {