Harbour's inline-method sugar was parsed but the body was skipped,
leaving any `METHOD X() INLINE expr` declaration registered in the
class vtable with no matching HB_<CLASS>_X function — link error
at build time.
Parser: MethodDecl gains an InlineBody Expr field. parseClassMethodDecl
captures the expression after INLINE instead of skipping to EOL.
New parseMessageDecl handles `MESSAGE <name> [(params)] INLINE expr`
and returns the same MethodDecl shape.
Codegen: emitClassDecl walks members a second time after the class
registration init block and emits emitInlineMethodBody for each
IsInline method — a Frame(nParams, 0) + emitExpr(InlineBody) +
RetValue function. curMethodClass is bound so ::super: inside an
inline body still resolves.
Tested (/tmp/test_inline.prg): all four patterns — bare INLINE,
MESSAGE INLINE, INLINE with params, INLINE reading ::field —
produce expected values.
FiveSql2 43/43, Harbour compat 56/56, Go test ALL PASS.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
CharlesKWON
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