Difference between revisions of "Conformance Clause"
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== Conformance Policy == | == Conformance Policy == | ||
| − | FreeM attempts to comply with ANSI X11.1-1995 and the unpublished Millennium Draft Standard (MDS) from the MUMPS Development Committee. | + | FreeM attempts to comply with ANSI X11.1-1995 and the unpublished Millennium Draft Standard (MDS) from the MUMPS Development Committee, in routine buffers where the dialect setting is set to a particular version of the standard. |
| + | |||
| + | Routine buffers in <code>FREEM</code> dialect enable all nonstandard extensions. | ||
This article attempts to track missing and/or nonstandard features in the current <code>main</code> branch of FreeM. It is a work-in-progress. | This article attempts to track missing and/or nonstandard features in the current <code>main</code> branch of FreeM. It is a work-in-progress. | ||
| + | |||
| + | == Indirection == | ||
| + | |||
| + | FreeM supports several forms of indirection that are nonstandard, as well as allowing indirection in several constructs where the standard prohibits it. Below is a list of some known instances of idiosyncratic indirection; please note that this list is by no means comprehensive: | ||
| + | |||
| + | * <code>FOR</code> loops in FreeM support argument indirection | ||
| + | * FreeM supports list indirection, such as <code>S X="1,2,3",ARGS="X,"","",2" W $P(@ARGS)</code>, which will output <code>2</code> | ||
== MERGE == | == MERGE == | ||
| Line 20: | Line 29: | ||
* <code>ETRIGGER</code> is not yet implemented | * <code>ETRIGGER</code> is not yet implemented | ||
| − | * Of the event classes defined in the MDS, only the <code>INTERRUPT</code> 'evclass' is implemented | + | * Of the event classes defined in the MDS, only the <code>INTERRUPT</code> ''evclass'' is implemented |
* The <code>TRIGGER</code> 'evclass' is nonstandard | * The <code>TRIGGER</code> 'evclass' is nonstandard | ||
* The <code>^$EVENT</code> SSVN is incomplete | * The <code>^$EVENT</code> SSVN is incomplete | ||
| Line 29: | Line 38: | ||
== Routines == | == Routines == | ||
* Dotted routine names are nonstandard | * Dotted routine names are nonstandard | ||
| + | |||
| + | == Locking == | ||
| + | * The first subscript of ^$LOCK collates according to the rules for global and local subscripts, not as an nref, as FreeM uses globals as backing store for SSVNs. If someone wants to write the code to make this conformant, the maintainer will accept it. | ||
== Miscellaneous Language Features == | == Miscellaneous Language Features == | ||
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* <code>CONST</code> is nonstandard | * <code>CONST</code> is nonstandard | ||
* <code>MAP</code> is nonstandard | * <code>MAP</code> is nonstandard | ||
| + | * <code>WATCH</code> is nonstandard | ||
| + | * <code>THROW</code> is nonstandard | ||
| + | * <code>$DIALECT</code> is nonstandard | ||
Latest revision as of 12:51, 22 January 2024
Contents
Conformance Policy
FreeM attempts to comply with ANSI X11.1-1995 and the unpublished Millennium Draft Standard (MDS) from the MUMPS Development Committee, in routine buffers where the dialect setting is set to a particular version of the standard.
Routine buffers in FREEM dialect enable all nonstandard extensions.
This article attempts to track missing and/or nonstandard features in the current main branch of FreeM. It is a work-in-progress.
Indirection
FreeM supports several forms of indirection that are nonstandard, as well as allowing indirection in several constructs where the standard prohibits it. Below is a list of some known instances of idiosyncratic indirection; please note that this list is by no means comprehensive:
FORloops in FreeM support argument indirection- FreeM supports list indirection, such as
S X="1,2,3",ARGS="X,"","",2" W $P(@ARGS), which will output2
MERGE
MERGEshould be implemented asM[ERGE] postcond SP L mergeargument, but is currently implemented asM[ERGE] postcond SP mergeargument
KVALUE/KSUBSCRIPTS
- Only the inclusive forms of these commands are currently implemented
Transaction Processing
- Restartable transactions are not complete
Event Processing
ETRIGGERis not yet implemented- Of the event classes defined in the MDS, only the
INTERRUPTevclass is implemented - The
TRIGGER'evclass' is nonstandard - The
^$EVENTSSVN is incomplete - Environment-wide events defined in
^$SYSTEMare nonstandard
Globals
Routines
- Dotted routine names are nonstandard
Locking
- The first subscript of ^$LOCK collates according to the rules for global and local subscripts, not as an nref, as FreeM uses globals as backing store for SSVNs. If someone wants to write the code to make this conformant, the maintainer will accept it.
Miscellaneous Language Features
ASSERTis nonstandardWITHandUSINGare nonstandardCONSTis nonstandardMAPis nonstandardWATCHis nonstandardTHROWis nonstandard$DIALECTis nonstandard
