Files
ww/lib/fmt/fmt.ww
Hojun-Cho 9bc973dc96 lib: drop non-Hare extras (ascii.digitval, bytes.copy, fmt.errpos)
ascii.digitval/isidstart/isidpart are lexer-private, not Hare-stdlib.
Moved into lib/ww/lex/lex.ww as fn (renamed digitval to hexval since
its sole job is the \\xHH escape decoder).

bytes.copy and fmt.errpos have no Hare counterpart and no external
callers; gone.
2026-05-13 03:24:33 +09:00

61 lines
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// fmt — minimal formatting writers. All output goes through os.write
// to fd 1 (stdout). No printf-family yet — we don't have varargs in
// the language proper — but the typed entry points cover the common
// cases.
use os;
use strconv;
export fn print(s: str) i64 = {
return os.write(1, s.ptr, s.len: u64);
};
export fn println(s: str) i64 = {
let n: i64 = os.write(1, s.ptr, s.len: u64);
if (n < 0) { return n; };
let m: i64 = os.write(1, "\n".ptr, 1u64);
if (m < 0) { return m; };
return n + m;
};
export fn printint(v: i64) void = {
let buf: [32]u8;
let n: i32 = strconv.i64tos(buf[0:32], v);
os.write(1, buf.ptr, n: u64);
};
export fn printlnint(v: i64) void = {
printint(v);
os.write(1, "\n".ptr, 1u64);
};
// errorln — write a message to stderr with a trailing newline.
export fn errorln(s: str) i64 = {
let n: i64 = os.write(2, s.ptr, s.len: u64);
if (n < 0) { return n; };
let m: i64 = os.write(2, "\n".ptr, 1u64);
if (m < 0) { return m; };
return n + m;
};
// fprint / fprintln — same as print/println but on an arbitrary fd.
// Used by the compiler to write to its -o output file.
export fn fprint(fd: i32, s: str) i64 = {
return os.write(fd, s.ptr, s.len: u64);
};
export fn fprintln(fd: i32, s: str) i64 = {
let n: i64 = os.write(fd, s.ptr, s.len: u64);
if (n < 0) { return n; };
let m: i64 = os.write(fd, "\n".ptr, 1u64);
if (m < 0) { return m; };
return n + m;
};
export fn fprintint(fd: i32, v: i64) void = {
let buf: [32]u8;
let n: i32 = strconv.i64tos(buf[0:32], v);
os.write(fd, buf.ptr, n: u64);
};