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|ID||Project||Category||View Status||Date Submitted||Last Update|
|0000647||Core Inform||Understanding||public||2011-04-25 17:38||2014-05-07 07:34|
|Platform||x86||OS||Mac OS X||OS Version||10.5|
|Target Version||Fixed in Version||6L02|
|Summary||0000647: can't use relations to values in an understand token|
|Description||Trying to use a "[something related by]" token in an understand phrase produced an internal error when the related thing was a value rather than a thing. The internal error is "can't objectloop over nonobject kind," so I'm guessing that the code isn't supposed to be valid.|
|Minimal Source Text To Reproduce|
Temperature is a kind of value. The temperatures are hot and cold. A thing has a temperature. Temperature Lab is a room. "The perfect place to HEAT or COOL things!" The very mysterious substance is a cold thing, here. The description of the substance is "Very mysterious and [temperature]." Possibilizing relates one thing to various temperatures. The verb to be possibly implies the possibilizing relation. The substance is possibly hot. The substance is possibly cold. Understand "[something related by possibilizing]" as a thing.
|Additional Information||Compiling halts with the following error:|
Problem. An internal error has occurred: can't objectloop over nonobject kind. The current sentence is 'Understand "[something related by possibilizing]" as a thing' ; the error was detected at line 514 of "Chapter 25/Grammar Tokens.w". This should never happen, and I am now halting in abject failure.
I don't know if the code ought to be considered valid -- it might be nice to be able to do this.
|Tags||No tags attached.|
|Effect||(critical) Compiler reports internal error|
- - - -
Understand "[a temperature related by possibilizing]" as a thing.
- - - -
instead, Inform emits a proper problem message.
That problem message seems to stem from something different, though. If you try
Understand "[a person related by owning]" as a thing.
you get the same problem message ("The grammar you give... contains a token which is just too complicated"). But
Understand "[something related by owning]" as a thing.
|It would be nice to be able to do this, but understand tokens are only allowed to search relations between things, so it's actually not legal Inform source text. Inform was catching this with a problem message if the relation was one way round, but failing with an internal error the other way. It now produces a problem message either way.|
|2011-04-25 17:38||mattweiner||New Issue|
|2011-04-25 23:20||jmcgrew||Effect||(mild) Inform 6 reports errors for invalid code => (critical) Compiler reports internal error|
|2011-04-25 23:20||jmcgrew||Severity||mild => critical|
|2011-04-25 23:20||jmcgrew||Status||new => acknowledged|
|2011-04-26 08:51||EmacsUser||Note Added: 0001152|
|2011-04-26 08:51||EmacsUser||Reproducibility||have not tried => always|
|2011-04-26 08:51||EmacsUser||Status||acknowledged => confirmed|
|2011-04-26 16:32||mattweiner||Note Added: 0001153|
|2011-10-08 01:05||graham||Note Added: 0001329|
|2011-10-08 01:05||graham||Status||confirmed => resolved|
|2011-10-08 01:05||graham||Resolution||open => fixed|
|2011-10-08 01:05||graham||Assigned To||=> graham|
|2014-05-07 07:34||jmcgrew||Fixed in Version||=> 6L02|
|2014-05-07 07:34||jmcgrew||Status||resolved => closed|
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