Introduce compiler/pp/std.ch with 19 #command rules so that ERASE,
RENAME, DELETE FILE, CLOSE [<a>|ALL|DATABASES], COMMIT, UNLOCK,
LOCATE/CONTINUE, REINDEX, PACK, ZAP, KEYBOARD, RUN, MENU TO, and
CLEAR GETS reach the parser pre-rewritten as plain function calls.
Embedded into the compiler binary via //go:embed so it auto-loads
without an explicit #include in user code, exactly the way Harbour
auto-loads its std.ch.
This is a pure dispatch move, not a behavior change for the
already-working forms: the same Five RTL functions get called.
But it does fix three regressions that the parser was masking:
* ERASE / RENAME / DELETE FILE used to be silent no-ops — the
parser swallowed the entire line and returned NIL. They now
actually delete/rename files (FErase / FRename).
* CLOSE <alias> used to silently ignore the alias and close the
current area. It now switches to the named area first
(<a>->( DbCloseArea() )).
* Two latent #command matcher bugs that surfaced while wiring
std.ch up:
- bare `CLOSE` would match rule `CLOSE ALL` because the tail
of the pattern wasn't checked for unconsumed literals.
- bare `CLOSE` would match rule `CLOSE <a>` because all
unconsumed pattern markers were unconditionally treated as
optional. They are only optional when nested inside `[...]`.
Parser cleanup: parseIdentStmt + parseExprStmt no longer hardcode
ERASE / RENAME / RUN / KEYBOARD / REINDEX / LOCATE / CONTINUE /
COMMIT / CLOSE — the rewriter handles them. Other xBase verbs
(COPY / SORT / COUNT / SUM / AVERAGE / TOTAL / JOIN / LIST /
DISPLAY / LABEL / REPORT / DIR ...) still no-op in the parser
because their RTL backends aren't implemented yet — once the
backends land they move into std.ch the same way.
Gates green:
go test ./... : PASS
FiveSql2 SQL:1999 : 43/43
Harbour compat : 56/56
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>