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lib/path: #138 c2-stack buffer port — buffer/push/appendnorm/appendlit/string/isroot/set + dot/dotdot, cstage @test

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Faithful realignment of lib/path to Hare's buffer-centric API
(ref/hare/path/{stack,buffer}.ha). Replaces the old str-only path.ww
wholesale (zero consumers). Scope = stack-core: init() deferred (returns
~4KB (buffer|error), rides the #40 arc / #147); abs/dirname/basename land
in c3; extension/join dropped.

appendlit uses the #145 slice-copy-assign arm (buf.buf[lo:hi]=bs), no hand
loop. dot/dotdot are faithful module-global []u8 (D2 #148). MAX =
os.PATH_MAX-1. Divergences (size->i32 indices, frombytes, module-global
consts) cited inline.

Tests: lib/path/pathtest.ww (table-driven), wired at test/wcc/989_path_run.c;
push rows mirror stack.ha:107-111 verbatim incl the restored "/d"
intermediate. Slot 989 (overflow bucket) since 970 is taken.

C-first: cstage @test green; wwstage byte-id deferred to the #125 batch.
path classified M_WWREJECT in 989_lib_byteid (w6c_ww rejects the module-
global slice consts = #120/#29; + the #148 twin #151) — self-graduates back
to M_ID the day wwstage accepts. path moved off the 900_stdlib standalone
list (import-dependent: os.PATH_MAX def-dim + match over imported error
types; coverage at 989_path_run), per the bytes/fmt/os precedent.

Gate: all 324 passed, byte-id 990-997 green, w6c/w6c_ww unchanged
(lib-only, non-embedded).
This commit is contained in:
Hojun-Cho
2026-06-08 11:25:11 +09:00
parent 26d6e2abad
commit 16f47da916
6 changed files with 310 additions and 119 deletions
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5
Makefile
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@@ -447,6 +447,7 @@ TESTS = $(BIN)/test_smoke $(BIN)/test_lex $(BIN)/test_parse $(BIN)/test_check \
$(BIN)/test_intdiv_signed \
$(BIN)/test_strings_run \
$(BIN)/test_hex_run $(BIN)/test_utf8_run $(BIN)/test_bytes_run \
$(BIN)/test_path_run \
$(BIN)/test_decimal_run $(BIN)/test_strconv_int_run \
$(BIN)/test_stof_run $(BIN)/test_ftos_run \
$(BIN)/test_memio_run $(BIN)/test_temp_run $(BIN)/test_getopt_run \
@@ -1992,6 +1993,10 @@ $(BIN)/test_bytes_run: test/wcc/967_bytes_run.c $(BIN)/ww $(BIN)/w6c \
$(BIN)/w6a $(BIN)/w6l $(LIB)/libwwrt.a | $(BIN)
$(CC) $(CFLAGS) -o $@ $<
$(BIN)/test_path_run: test/wcc/989_path_run.c $(BIN)/ww $(BIN)/w6c \
$(BIN)/w6a $(BIN)/w6l $(LIB)/libwwrt.a | $(BIN)
$(CC) $(CFLAGS) -o $@ $<
$(BIN)/test_ascii_run: test/wcc/904_ascii_run.c $(BIN)/ww $(BIN)/w6c \
$(BIN)/w6a $(BIN)/w6l $(LIB)/libwwrt.a | $(BIN)
$(CC) $(CFLAGS) -o $@ $<