Interpreters

Interpreters are the way you play Alan adventures. If you just want to play you should download one interpreter from here. The interpreters here complement other Interactive Fiction players, like Gargoyle, or have some more features than the ones in the complete development packages.

But if  you want to develop your own games you should start with a complete development kit here.

 

Beta 3.0beta7

Maturity:
Beta
Released on:
Sunday, 06 September 2020 02:00

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Beta 3.0beta6

Maturity:
Beta
Released on:
Friday, 10 August 2018 02:00

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Beta 3.0beta5

Maturity:
Beta
Released on:
Wednesday, 21 September 2016 02:00
  • FEATURE: compiler now figures out the most general class taken transitively by containers and uses that instead of entity where applicable

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Beta 3.0beta4

Maturity:
Beta
Released on:
Friday, 14 March 2014 01:00
  • MAJOR FEATURE: 'Indirectly' keyword to complement 'Directly In', allowing explicit transitivity of containment, see theĀ manual
  • FEATURE: The hero is now a container by default
  • FEATURE: The hero may inherit from any subclass of actor
  • FEATURE: Actor scripts are now aborted if an error, such as an extraction failure, occurs
  • FEATURE: Debugger shows symbolic name of events when tracing
  • FEATURE: WinAlan now generates the output file in the correct directory if a source file is dropped on the WinAlan icon
  • BUGFIX: Locating something inside itself hanged the interpreter, now generates controlled Application Error
  • BUGFIX: For Each loops with In-filters did not take transitivity into account, might now detect more errors
  • BUGFIX: Initial locations in containers did not consider the Taking of the container
  • BUGFIX: Debugger section trace crashed on verb bodies in locations

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Beta 3.0beta3

Maturity:
Beta
Released on:
Friday, 27 December 2013 01:00
  • MAJOR FEATURE: the class of parameters and locals can now be asserted using If .. Isa .. allowing general restrictions in parameter restrictions and more specific access (attributes, scripts, containers) with the If-statement
  • FEATURE: Attributes inherited from entity can now be referenced for literals
  • FEATURE: Debugger now has a command to toggle a levels of trace off and on
  • FEATURE: Debugger now lists the programmer name of instances as well as the player name
  • FEATURE: Debugger can now list instances matching a wildcard pattern ("instance a*")
  • FEATURE: Compiler now flags all occurrences of a multiply defined identifier
  • BUGFIX: Out of memory error in interpreter for very large game fixed
  • BUGFIX: sometimes locating a location At itself crashed the interpreter
  • BUGFIX: comparing strings with '' did not work
  • BUGFIX: using a location identifier as a direction sometimes caused a compiler crash
  • BUGFIX: A DEBUG message would be printed in some games in some circumstances

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Beta 3.0beta2

Maturity:
Beta
Released on:
Monday, 26 September 2011 02:00
  • FEATURE: radically improved rules handling to simplify usage which changed the context in which rules execute (Current Location and Current Actor no longer allowed in rules)
  • FEATURE: "Location Of" expression to retrieve the current location of an instance
  • FEATURE: syntax may now start with a parameter (an instance, like an actor name)
  • FEATURE: TRANSCRIPT statement in language
  • FEATURE: PROMPT section in language to control player input prompt
  • FEATURE: new debugger command language
  • FEATURE: tracing can now use symbolic parameter names
  • BUGFIX: if a dollar sign was followed by a character not defined as a printing symbol, that character was lost
  • BUGFIX: sometimes events would not be restored correctly from a save file
  • BUGFIX: positioning of error pointers in -cc mode was not always correct causing AlanIDE to point to the wrong place
  • BUGFIX: sometimes WinArun and Gargoyle interpreters hung on prompt
  • BUGFIX: undo after quit did sometimes crash

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What They Say

"Another thing I'm sure of, the game will again be in Alan."

Eric Mayer