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<!-- Weave of 'Activities Template' generated by Inweb -->
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< ul class = "crumbs" > < li > < a href = "../index.html" > Home< / a > < / li > < li > < a href = "../extensions.html" > Kits< / a > < / li > < li > < a href = "index.html" > BasicInformExtrasKit< / a > < / li > < li > < b > Activities Template< / b > < / li > < / ul > < / div >
< p class = "purpose" > To run the necessary rulebooks to carry out an activity.< / p >
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< ul class = "toc" > < li > < a href = "S-act.html#SP1" > § 1. The Activities Stack< / a > < / li > < li > < a href = "S-act.html#SP2" > § 2. Rule Debugging Inhibition< / a > < / li > < li > < a href = "S-act.html#SP3" > § 3. Testing Activities< / a > < / li > < li > < a href = "S-act.html#SP4" > § 4. Emptiness< / a > < / li > < li > < a href = "S-act.html#SP5" > § 5. Process Activity Rulebook< / a > < / li > < li > < a href = "S-act.html#SP6" > § 6. Carrying Out Activities< / a > < / li > < li > < a href = "S-act.html#SP7" > § 7. Begin< / a > < / li > < li > < a href = "S-act.html#SP8" > § 8. For< / a > < / li > < li > < a href = "S-act.html#SP9" > § 9. End< / a > < / li > < li > < a href = "S-act.html#SP10" > § 10. Abandon< / a > < / li > < / ul > < hr class = "tocbar" >
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< p class = "commentary firstcommentary" > < a id = "SP1" class = "paragraph-anchor" > < / a > < b > § 1. The Activities Stack. < / b > Activities are more like nested function calls than independent processes;
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they finish in reverse order of starting, and are placed on a stack. This
needs only very limited size in practice: 20 might seem a bit low, but making
it much higher simply means that oddball bugs in the user's code — where
activities recursively cause themselves ad infinitum — will be caught less
efficiently.
< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
< span class = "reserved-syntax" > Constant< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > MAX_NESTED_ACTIVITIES< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > 20< / span > < span class = "plain-syntax" > ;< / span >
< span class = "identifier-syntax" > Global< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > activities_sp< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ;< / span >
< span class = "reserved-syntax" > Array< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > activities_stack< / span > < span class = "plain-syntax" > --> < / span > < span class = "identifier-syntax" > MAX_NESTED_ACTIVITIES< / span > < span class = "plain-syntax" > ;< / span >
< span class = "reserved-syntax" > Array< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > activity_parameters_stack< / span > < span class = "plain-syntax" > --> < / span > < span class = "identifier-syntax" > MAX_NESTED_ACTIVITIES< / span > < span class = "plain-syntax" > ;< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP2" class = "paragraph-anchor" > < / a > < b > § 2. Rule Debugging Inhibition. < / b > The output from RULES or RULES ALL becomes totally illegible if it is applied
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even to the activities printing names of objects, so this is inhibited when
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any such activity is running. < span class = "extract" > < span class = "extract-syntax" > FixInhibitFlag< / span > < / span > is called each time the stack
changes and ensures that < span class = "extract" > < span class = "extract-syntax" > inhibit_flag< / span > < / span > has exactly this meaning.
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< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
< span class = "identifier-syntax" > Global< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > inhibit_flag< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ;< / span >
< span class = "identifier-syntax" > Global< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > saved_debug_rules< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > [ < / span > < span class = "identifier-syntax" > FixInhibitFlag< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > n< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > act< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > inhibit_rule_debugging< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > for< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > n< / span > < span class = "plain-syntax" > =0:< / span > < span class = "identifier-syntax" > n< / span > < span class = "plain-syntax" > < < / span > < span class = "identifier-syntax" > activities_sp< / span > < span class = "plain-syntax" > :< / span > < span class = "identifier-syntax" > n< / span > < span class = "plain-syntax" > ++) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > act< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > activities_stack< / span > < span class = "plain-syntax" > --> < / span > < span class = "identifier-syntax" > n< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > act< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > PRINTING_THE_NAME_ACT< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > or< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > PRINTING_THE_PLURAL_NAME_ACT< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > or< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > PRINTING_ROOM_DESC_DETAILS_ACT< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > or< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > PRINTING_INVENTORY_DETAILS_ACT< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > or< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > LISTING_CONTENTS_ACT< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > or< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > GROUPING_TOGETHER_ACT< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > or< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > PRINTING_RESPONSE_ACT< / span > < span class = "plain-syntax" > )< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > inhibit_rule_debugging< / span > < span class = "plain-syntax" > = < / span > < span class = "reserved-syntax" > true< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > inhibit_flag< / span > < span class = "plain-syntax" > == < / span > < span class = "reserved-syntax" > false< / span > < span class = "plain-syntax" > ) & & (< / span > < span class = "identifier-syntax" > inhibit_rule_debugging< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > saved_debug_rules< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > debug_rules< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > debug_rules< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > inhibit_flag< / span > < span class = "plain-syntax" > ) & & (< / span > < span class = "identifier-syntax" > inhibit_rule_debugging< / span > < span class = "plain-syntax" > == < / span > < span class = "reserved-syntax" > false< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > debug_rules< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > saved_debug_rules< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > inhibit_flag< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > inhibit_rule_debugging< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > ];< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP3" class = "paragraph-anchor" > < / a > < b > § 3. Testing Activities. < / b > The following tests whether a given activity < span class = "extract" > < span class = "extract-syntax" > A< / span > < / span > is currently running
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whose parameter-object matches description < span class = "extract" > < span class = "extract-syntax" > desc< / span > < / span > , where as usual the
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description is represented by a routine testing membership, and where
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zero < span class = "extract" > < span class = "extract-syntax" > desc< / span > < / span > means that any parameter is valid. Alternatively, we can
require a specific parameter value of < span class = "extract" > < span class = "extract-syntax" > val< / span > < / span > .
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< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
< span class = "plain-syntax" > [ < / span > < span class = "identifier-syntax" > TestActivity< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > desc< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > val< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > for< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > =0:< / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > < < / span > < span class = "identifier-syntax" > activities_sp< / span > < span class = "plain-syntax" > :< / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > ++)< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > activities_stack< / span > < span class = "plain-syntax" > --> < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > desc< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > desc< / span > < span class = "plain-syntax" > )(< / span > < span class = "identifier-syntax" > activity_parameters_stack< / span > < span class = "plain-syntax" > --> < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > )) < / span > < span class = "reserved-syntax" > rtrue< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > val< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > val< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > activity_parameters_stack< / span > < span class = "plain-syntax" > --> < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > rtrue< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > rtrue< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > rfalse< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > ];< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP4" class = "paragraph-anchor" > < / a > < b > § 4. Emptiness. < / b > An activity is defined by its three rulebooks: it is empty if they are all
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empty.
< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
< span class = "plain-syntax" > [ < / span > < span class = "identifier-syntax" > ActivityEmpty< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > x< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > x< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Activity_before_rulebooks< / span > < span class = "plain-syntax" > --> < / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > rulebooks_array< / span > < span class = "plain-syntax" > --> < / span > < span class = "identifier-syntax" > x< / span > < span class = "plain-syntax" > ~= < / span > < span class = "identifier-syntax" > EMPTY_RULEBOOK< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > rfalse< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > x< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Activity_for_rulebooks< / span > < span class = "plain-syntax" > --> < / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > rulebooks_array< / span > < span class = "plain-syntax" > --> < / span > < span class = "identifier-syntax" > x< / span > < span class = "plain-syntax" > ~= < / span > < span class = "identifier-syntax" > EMPTY_RULEBOOK< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > rfalse< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > x< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Activity_after_rulebooks< / span > < span class = "plain-syntax" > --> < / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > rulebooks_array< / span > < span class = "plain-syntax" > --> < / span > < span class = "identifier-syntax" > x< / span > < span class = "plain-syntax" > ~= < / span > < span class = "identifier-syntax" > EMPTY_RULEBOOK< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > rfalse< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > rtrue< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > ];< / span >
< span class = "plain-syntax" > [ < / span > < span class = "identifier-syntax" > RulebookEmpty< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rb< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > rulebooks_array< / span > < span class = "plain-syntax" > --> < / span > < span class = "identifier-syntax" > rb< / span > < span class = "plain-syntax" > ~= < / span > < span class = "identifier-syntax" > EMPTY_RULEBOOK< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > rfalse< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > rtrue< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > ];< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP5" class = "paragraph-anchor" > < / a > < b > § 5. Process Activity Rulebook. < / b > This is really much like processing any rulebook, except that < span class = "extract" > < span class = "extract-syntax" > self< / span > < / span > is
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temporarily set to the parameter, and is preserved by the process.
< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
< span class = "plain-syntax" > [ < / span > < span class = "identifier-syntax" > ProcessActivityRulebook< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rulebook< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > parameter< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rv< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > @< / span > < span class = "identifier-syntax" > push< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > self< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > parameter< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > self< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > parameter< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rv< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > FollowRulebook< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > rulebook< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > parameter< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > true< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > @< / span > < span class = "identifier-syntax" > pull< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > self< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > rv< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > rtrue< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > rfalse< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > ];< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP6" class = "paragraph-anchor" > < / a > < b > § 6. Carrying Out Activities. < / b > This is a three-stage process; most activities are run by calling the following
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simple routine, but some are run by calling the three subroutines independently.
< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
< span class = "plain-syntax" > [ < / span > < span class = "identifier-syntax" > CarryOutActivity< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > o< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rv< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > BeginActivity< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > o< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rv< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > ForActivity< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > o< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > EndActivity< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > o< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rv< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > ];< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP7" class = "paragraph-anchor" > < / a > < b > § 7. Begin. < / b > < / p >
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< pre class = "displayed-code all-displayed-code code-font" >
< span class = "plain-syntax" > [ < / span > < span class = "identifier-syntax" > BeginActivity< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > o< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > x< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > activities_sp< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > MAX_NESTED_ACTIVITIES< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > RunTimeProblem< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > RTP_TOOMANYACTS< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > activity_parameters_stack< / span > < span class = "plain-syntax" > --> < / span > < span class = "identifier-syntax" > activities_sp< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > o< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > activities_stack< / span > < span class = "plain-syntax" > --> (< / span > < span class = "identifier-syntax" > activities_sp< / span > < span class = "plain-syntax" > ++) = < / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > FixInhibitFlag< / span > < span class = "plain-syntax" > ();< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > MStack_CreateAVVars< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > ProcessActivityRulebook< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Activity_before_rulebooks< / span > < span class = "plain-syntax" > --> < / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > o< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > ];< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP8" class = "paragraph-anchor" > < / a > < b > § 8. For. < / b > < / p >
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< pre class = "displayed-code all-displayed-code code-font" >
< span class = "plain-syntax" > [ < / span > < span class = "identifier-syntax" > ForActivity< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > o< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > x< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > ProcessActivityRulebook< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Activity_for_rulebooks< / span > < span class = "plain-syntax" > --> < / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > o< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > ];< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP9" class = "paragraph-anchor" > < / a > < b > § 9. End. < / b > < / p >
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< pre class = "displayed-code all-displayed-code code-font" >
< span class = "plain-syntax" > [ < / span > < span class = "identifier-syntax" > EndActivity< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > o< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rv< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > x< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > activities_sp< / span > < span class = "plain-syntax" > > < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ) & & (< / span > < span class = "identifier-syntax" > activities_stack< / span > < span class = "plain-syntax" > --> (< / span > < span class = "identifier-syntax" > activities_sp< / span > < span class = "plain-syntax" > -1) == < / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rv< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > ProcessActivityRulebook< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Activity_after_rulebooks< / span > < span class = "plain-syntax" > --> < / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > o< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > activities_sp< / span > < span class = "plain-syntax" > --; < / span > < span class = "identifier-syntax" > FixInhibitFlag< / span > < span class = "plain-syntax" > ();< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > MStack_DestroyAVVars< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rv< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > RunTimeProblem< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > RTP_CANTEND< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > ];< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP10" class = "paragraph-anchor" > < / a > < b > § 10. Abandon. < / b > For (very) rare cases where an activity must be abandoned midway; such an
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activity must be being run by calling the three stages individually, and
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< span class = "extract" > < span class = "extract-syntax" > EndActivity< / span > < / span > must not have been called yet.
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< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
< span class = "plain-syntax" > [ < / span > < span class = "identifier-syntax" > AbandonActivity< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > o< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > activities_sp< / span > < span class = "plain-syntax" > > < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ) & & (< / span > < span class = "identifier-syntax" > activities_stack< / span > < span class = "plain-syntax" > --> (< / span > < span class = "identifier-syntax" > activities_sp< / span > < span class = "plain-syntax" > -1) == < / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > activities_sp< / span > < span class = "plain-syntax" > --; < / span > < span class = "identifier-syntax" > FixInhibitFlag< / span > < span class = "plain-syntax" > ();< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > MStack_DestroyAVVars< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > RunTimeProblem< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > RTP_CANTABANDON< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > ];< / span >
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< / pre >
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< nav role = "progress" > < div class = "progresscontainer" >
< ul class = "progressbar" > < li class = "progressprev" > < a href = "S-msc.html" > ❮ < / a > < / li > < li class = "progresssection" > < a href = "S-msc.html" > msc< / a > < / li > < li class = "progresscurrent" > act< / li > < li class = "progressnextoff" > ❯ < / li > < / ul > < / div >
< / nav > <!-- End of weave -->
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< / main >
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< / body >
< / html >
