Phlebotinum

Phlebotinum Debugging

To see what’s going on under the covers, use the debug verb:

> debug

OK.

> s
DIRECTIVE the game-turn advances
TRIGGER all game-characters begin the game-turn
TRIGGER the player-character has no visible-items
TRIGGER the player-character surveys the player-character's container
TRIGGER the player-character perceives the player-character and the player-character's stuff
TRIGGER the player-character becomes the player-character's container's place-discoverer
TRIGGER the player-character perceives the meadow
TRIGGER the player-character observes the meadow's contained-objects except the player-character
TRIGGER the player-character surveys the meadow's place-exits and the meadow's place-entrances
TRIGGER the player-character perceives the tree and the rock
TRIGGER the player-character sees the tree and the rock
TRIGGER the tree and the rock are the player-character's visible-items
TRIGGER the player-character observes E_wnf-hayfield-1_835969_place-exit__835997 and E_wnf-hayfield-1_835969_place-exit__836041 and E_wnf-tree-1_835957_place-exit__836006 and E_wnf-barn-1_835973_place-exit__836050 E_wnf-hayfield-1_835969_place-exit__835997's and E_wnf-hayfield-1_835969_place-exit__836041's and E_wnf-tree-1_835957_place-exit__836006's and E_wnf-barn-1_835973_place-exit__836050's exit-portals, and E_wnf-hayfield-1_835969_place-exit__835997's and E_wnf-hayfield-1_835969_place-exit__836041's and E_wnf-tree-1_835957_place-exit__836006's and E_wnf-barn-1_835973_place-exit__836050's containers
TRIGGER the player-character perceives E_wnf-hayfield-1_835969_place-exit__836041 and E_wnf-tree-1_835957_place-exit__836006 and the zenith and the nadir and E_wnf-barn-1_835973_place-exit__836050 and the south and the grassy path and the north and E_wnf-hayfield-1_835969_place-exit__835997
TRIGGER the player-character sees E_wnf-hayfield-1_835969_place-exit__836041 and E_wnf-tree-1_835957_place-exit__836006 and the zenith and the nadir and E_wnf-barn-1_835973_place-exit__836050 and the south and the grassy path and the north and E_wnf-hayfield-1_835969_place-exit__835997
TRIGGER the grassy path is the player-character's visible-items
TRIGGER the player-character surveys the sky
TRIGGER the player-character perceives the sky
TRIGGER the player-character observes the sky's contained-objects except the player-character
TRIGGER the player-character surveys the sky's place-exits and the sky's place-entrances
TRIGGER the player-character perceives the cloud
TRIGGER the player-character sees the cloud
TRIGGER the cloud is the player-character's visible-items
TRIGGER the child has no visible-items
TRIGGER the child perceives the child, all haylofts, all sprites, and the player-character's heart
TRIGGER the child surveys the child's container
TRIGGER the child perceives the barn
TRIGGER the child observes the barn's contained-objects except the child
TRIGGER the child surveys the barn's place-exits and the barn's place-entrances
TRIGGER the child observes E_wnf-barn-1_835973_place-exit__836050 and E_wnf-barn-1_835973_place-exit__836083 and E_wnf-hayfield-1_835969_place-exit__836041 and E_wnf-hayloft-1_835977_place-exit__836092 E_wnf-barn-1_835973_place-exit__836050's and E_wnf-barn-1_835973_place-exit__836083's and E_wnf-hayfield-1_835969_place-exit__836041's and E_wnf-hayloft-1_835977_place-exit__836092's exit-portals, and E_wnf-barn-1_835973_place-exit__836050's and E_wnf-barn-1_835973_place-exit__836083's and E_wnf-hayfield-1_835969_place-exit__836041's and E_wnf-hayloft-1_835977_place-exit__836092's containers
TRIGGER the child perceives E_wnf-hayloft-1_835977_place-exit__836092 and E_wnf-hayfield-1_835969_place-exit__836041 and the zenith and E_wnf-barn-1_835973_place-exit__836083 and the nadir and E_wnf-barn-1_835973_place-exit__836050 and the south and the grassy path and the north
TRIGGER the child sees E_wnf-hayloft-1_835977_place-exit__836092 and E_wnf-hayfield-1_835969_place-exit__836041 and the zenith and E_wnf-barn-1_835973_place-exit__836083 and the nadir and E_wnf-barn-1_835973_place-exit__836050 and the south and the grassy path and the north
TRIGGER the grassy path is the child's visible-items
TRIGGER the player-character perceives the player-character's stuff's contained-objects
TRIGGER the player-character perceives the player-character's heart
TRIGGER the player-character perceives the player-character's memory
TRIGGER the player-character perceives the player-character's wife
COMMAND s
EXPANDED go south
PARSED
SilPredicateSentence(
  SilActionPredicate(
    SilPronounReference(
      PERSON_SECOND(),
      GENDER_SOMEONE(),
      COUNT_SINGULAR(),
      DISTANCE_UNSPECIFIED()):151,
    SilSimpleWord("go", "go", ""),
    Some(SilNounReference(SilSimpleWord("south", "south", "")):153),
    Nil),
  SilTamImmutable(
    MOOD_IMPERATIVE(),
    POLARITY_POSITIVE(),
    MODAL_NEUTRAL(),
    ASPECT_SIMPLE(),
    TENSE_PRESENT()),
  SilFormality(FORCE_NEUTRAL()))
RESTATED I go south.
TRIGGER the player-character heads to the south
VERIFY the player-character's container's place-exit is in the south
TRIGGER the player-character traverses the player-character's container's place-exit in the south
VERIFY E_wnf-hayfield-1_835969_place-exit__836041's exit-portal is open
TRIGGER the player-character relocates to E_wnf-hayfield-1_835969_place-exit__836041's target-place
TRIGGER the player-character is in the barn
TRIGGER the player-character has no visible-items
TRIGGER the player-character surveys the barn
TRIGGER the player-character perceives the player-character
TRIGGER the player-character perceives the barn
TRIGGER the player-character observes the barn's contained-objects except the player-character
TRIGGER the player-character surveys the barn's place-exits and the barn's place-entrances
TRIGGER the player-character perceives the child
TRIGGER the player-character sees the child
TRIGGER the child is the player-character's visible-items
TRIGGER the player-character observes E_wnf-barn-1_835973_place-exit__836050 and E_wnf-barn-1_835973_place-exit__836083 and E_wnf-hayfield-1_835969_place-exit__836041 and E_wnf-hayloft-1_835977_place-exit__836092 E_wnf-barn-1_835973_place-exit__836050's and E_wnf-barn-1_835973_place-exit__836083's and E_wnf-hayfield-1_835969_place-exit__836041's and E_wnf-hayloft-1_835977_place-exit__836092's exit-portals, and E_wnf-barn-1_835973_place-exit__836050's and E_wnf-barn-1_835973_place-exit__836083's and E_wnf-hayfield-1_835969_place-exit__836041's and E_wnf-hayloft-1_835977_place-exit__836092's containers
TRIGGER the player-character perceives E_wnf-hayloft-1_835977_place-exit__836092 and E_wnf-hayfield-1_835969_place-exit__836041 and the zenith and E_wnf-barn-1_835973_place-exit__836083 and the nadir and E_wnf-barn-1_835973_place-exit__836050 and the south and the grassy path and the north
TRIGGER the player-character sees E_wnf-hayloft-1_835977_place-exit__836092 and E_wnf-hayfield-1_835969_place-exit__836041 and the zenith and E_wnf-barn-1_835973_place-exit__836083 and the nadir and E_wnf-barn-1_835973_place-exit__836050 and the south and the grassy path and the north
TRIGGER the grassy path is the player-character's visible-items
VERIFY player-character is the barn's place-discoverer
TRIGGER the player-character discovers the barn
TRIGGER the player-character appraises the barn
TRIGGER the player-character asks, "where am I"
TRIGGER the game-interpreter recites the barn's place-description
TRIGGER the player-character discerns the player-character's visible-items
TRIGGER the player-character asks, "which visible-objects do I see"
TRIGGER the player-character asks, "which visible-fixtures do I see"
VERIFY the player-character is the barn's place-discoverer

OK.
COMMAND where am I

You are in a barn.
COMMAND which visible-objects do I see

You see a child.
COMMAND which visible-fixtures do I see

You see the grassy path to the north.

Here’s how to interpret the trace:

DIRECTIVE indicates an action that takes place automatically (such as the game turn advancing)
TRIGGER indicates an action that takes place as an effect of some other action
COMMAND indicates parser input (either from the player, or internally, e.g. via an action which causes the player character to automatically ask a question such as “what do I see?”)
EXPANDED shows how abbreviations in input from the player get expanded
PARSED shows the result of parsing the expanded input from the player
RESTATED shows how a parsed command is restated as a first-person action
VERIFY indicates that some conditional expression is being evaluated

Objects in the trace may be referred to in obvious terms (“the barn”), or via their internal true names (“E_wnf-hayloft-1_835977_place-exit”).

You can toggle debugging off by issuing the debug command again.

Parsed Sentences

The PARSED information can be particularly useful when a sentence is not being interpreted in the way you expect:

COMMAND put the rock in the tree
PARSED 
SilPredicateSentence(
  SilActionPredicate(
    SilPronounReference(
      PERSON_SECOND(),
      GENDER_SOMEONE(),
      COUNT_SINGULAR(),
      DISTANCE_UNSPECIFIED()):665,
    SilSimpleWord("put", "put", ""),
    Some(
      SilDeterminedReference(
        SilStateSpecifiedReference(
          SilNounReference(SilSimpleWord("rock", "rock", "")):675,
          SilAdpositionalState(
            SilAdposition(SilSimpleWord("in", "in", "")),
            SilDeterminedReference(
              SilNounReference(SilSimpleWord("tree", "tree", "")):680,
              DETERMINER_DEFINITE()):682)):688,
        DETERMINER_DEFINITE()):693),
    Nil),
  SilTamImmutable(
    MOOD_IMPERATIVE(),
    POLARITY_POSITIVE(),
    MODAL_NEUTRAL(),
    ASPECT_SIMPLE(),
    TENSE_PRESENT()),
  SilFormality(FORCE_NEUTRAL()))

But I don't know about any such rock.

The parser got confused and thought “in the tree” was a restrictive qualifier for “the rock”, where in fact it was supposed to be modifying the verb “put” with a destination. Since there is no rock already in the tree, the parser complains that “the rock in the tree” doesn’t exist.

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