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Diffstat (limited to 'toxy/notes.txt')
| -rw-r--r-- | toxy/notes.txt | 40 |
1 files changed, 39 insertions, 1 deletions
diff --git a/toxy/notes.txt b/toxy/notes.txt index 10401a5..43a2a63 100644 --- a/toxy/notes.txt +++ b/toxy/notes.txt @@ -10,10 +10,48 @@ TODO for toxy * plustot: . do not evaluate if fresh, unless explicitly forced to (are side-effects to be modal, requested with a flag, or triggered with a message?) - . creation time evaluation + . pull inputs DONE for toxy +alpha19 + * plustot + . rules for slot creation: + - there is always at least one slot, although it may be deaf + - if a command contains a pseudo-scalar, there is exactly one, + listening slot + - if a command contains pseudo-array elements, there are as many slots + as the highest index + 1 (but not more than 256, a sanity limit); + listening slots are created for explicitly used elements, all other + slots are deaf + - mixing pseudo-scalar and pseudo-array forms in a single command + is prohibited + - if a command does not contain pseudo-variables, there is exactly one, + deaf slot + . firing rules established for push inputs: + - firing (evaluation with output) is executed iff all listening slots + have data and a) a hot slot receives input, or b) any slot receives + an explicit firing request ('bang' message) + - $Hin and $Cin forms of pseudo-variables: each slot may be explicitly + declared hot (Hin) or cold (Cin), overriding the default rule (leftmost + slot, if listening, is hot, others are cold) observed when the plain + form, $in, is used + - $Tin form of pseudo-variables, which is a ``pure dataflow'' variant + of $Hin: a hot slot, which looses data after evaluation (all other + kinds of slots keep data after evaluation, unless explicitly 'cleared') + - 'set' message accepted in all inlets as the `cold' input + - 'bang' message accepted in all inlets as the firing trigger + . evaluation without output: + - executed iff all listening slots have data and a) an object has + just been created (creation time evaluation), or b) an object + received an explicit evaluation request ('eval' message) + - creation time evaluation suppresses all error messages, explicit + evaluation does not + . message 'clear' in any inlet clears its slot of data + . message 'clearall' in leftmost inlet clears all listening slots + . appearance: converting dot-sequences to valid Tcl for presentation + . bug fix: made unclickable in gop + alpha18 * plustot: . adjusted to the new, stubified +bob handling |