ludic/docs/language/text
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refactor(stdlib): consolidate System.* onto Os.*, retire duplicated members
`System.*` and the newer `Os.*` (added in #21) both covered the environment
around the game, with four members (`arg`, `arg_count`, `env`, `exit`) lowering
byte-for-byte identically and the standard streams overlapping in concern. That
is a user-facing ambiguity (`System.env` vs `Os.env` are indistinguishable) and
a drift hazard (two copy-pasted codegen paths).

Make `Os.*` the single canonical environment/process namespace and retire the
overlapping `System.*` members:

- Remove `System.{arg, arg_count, env, exit, stdout, stderr}` from the namespace
  dispatch (selfhost/emit_expr.ludic). Use `Os.arg`/`Os.arg_count`/`Os.env`/
  `Os.exit` and `Os.stdout_write`/`Os.stderr_write` instead.
- `System.*` now covers only its unique low-level surface: the raw file handles
  (`file_open/read/write/seek/tell/close`), `read_char`, and `run`.
- The bare `arg`/`exit`/`getenv`/`file_stdout`/`file_stderr` intrinsics stay —
  they are the primitive layer the self-hosted compiler itself uses; only the
  redundant *namespaced* sugar is gone.
- Docs: drop the six retired `docs/language/system/*` pages, retune the section
  blurb, update inventory.json and the LSP signature table.
- Secondary finding from the issue: cross-link `Text.upper`/`Text.lower`
  (ASCII-only) to `Unicode.upper`/`Unicode.lower` (full Unicode case mapping).

Reseeded; C-free bootstrap fixpoint holds. All suites green (56 test / 29
selfhost / 29 test-tools); docs cover every implemented feature (291 ns-methods).

Closes #40

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-08-30 22:54:28 +03:00
..
_section.md refactor(lang): rename the str type (and stringify builtin) to string 2026-08-30 01:51:11 +03:00
text-char_at.md refactor(lang): rename the str type (and stringify builtin) to string 2026-08-30 01:51:11 +03:00
text-concat.md refactor(lang): rename the str type (and stringify builtin) to string 2026-08-30 01:51:11 +03:00
text-contains.md refactor(lang): rename the str type (and stringify builtin) to string 2026-08-30 01:51:11 +03:00
text-ends_with.md refactor(lang): rename the str type (and stringify builtin) to string 2026-08-30 01:51:11 +03:00
text-equals.md refactor(lang): rename the str type (and stringify builtin) to string 2026-08-30 01:51:11 +03:00
text-from_int.md refactor(lang): rename the str type (and stringify builtin) to string 2026-08-30 01:51:11 +03:00
text-index_of.md refactor(lang): rename the str type (and stringify builtin) to string 2026-08-30 01:51:11 +03:00
text-join.md refactor(lang): rename the str type (and stringify builtin) to string 2026-08-30 01:51:11 +03:00
text-length.md refactor(lang): rename the str type (and stringify builtin) to string 2026-08-30 01:51:11 +03:00
text-lower.md refactor(stdlib): consolidate System.* onto Os.*, retire duplicated members 2026-08-30 22:54:28 +03:00
text-pad_left.md refactor(lang): rename the str type (and stringify builtin) to string 2026-08-30 01:51:11 +03:00
text-pad_right.md refactor(lang): rename the str type (and stringify builtin) to string 2026-08-30 01:51:11 +03:00
text-repeat.md refactor(lang): rename the str type (and stringify builtin) to string 2026-08-30 01:51:11 +03:00
text-replace.md refactor(lang): rename the str type (and stringify builtin) to string 2026-08-30 01:51:11 +03:00
text-slice.md refactor(lang): rename the str type (and stringify builtin) to string 2026-08-30 01:51:11 +03:00
text-split.md refactor(lang): rename the str type (and stringify builtin) to string 2026-08-30 01:51:11 +03:00
text-starts_with.md refactor(lang): rename the str type (and stringify builtin) to string 2026-08-30 01:51:11 +03:00
text-to_int.md refactor(lang): rename the str type (and stringify builtin) to string 2026-08-30 01:51:11 +03:00
text-trim.md refactor(lang): rename the str type (and stringify builtin) to string 2026-08-30 01:51:11 +03:00
text-upper.md refactor(stdlib): consolidate System.* onto Os.*, retire duplicated members 2026-08-30 22:54:28 +03:00