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< title > 3/pi< / title >
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<!-- Weave of '3/vh' generated by 7 -->
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< ul class = "crumbs" > < li > < a href = "../webs.html" > ★ < / a > < / li > < li > < a href = "index.html" > building< / a > < / li > < li > < a href = "index.html#3" > Chapter 3: Masonry< / a > < / li > < li > < b > Value Holsters< / b > < / li > < / ul > < p class = "purpose" > To manage requests for compilation to Inter.< / p >
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< ul class = "toc" > < li > < a href = "#SP3" > § 3. Conversions< / a > < / li > < li > < a href = "#SP4" > § 4. Holstering data< / a > < / li > < / ul > < hr class = "tocbar" >
< p class = "inwebparagraph" > < a id = "SP1" > < / a > < b > § 1. < / b > < / p >
< pre class = "definitions" >
< span class = "definitionkeyword" > enum< / span > < span class = "constant" > INTER_DATA_VHMODE< / span > < span class = "definitionkeyword" > from < / span > < span class = "constant" > 1< / span >
< span class = "definitionkeyword" > enum< / span > < span class = "constant" > INTER_VAL_VHMODE< / span >
< span class = "definitionkeyword" > enum< / span > < span class = "constant" > INTER_VOID_VHMODE< / span >
< span class = "definitionkeyword" > enum< / span > < span class = "constant" > NO_VHMODE< / span >
< / pre >
< pre class = "display" >
< span class = "reserved" > typedef< / span > < span class = "plain" > < / span > < span class = "reserved" > struct< / span > < span class = "plain" > < / span > < span class = "reserved" > value_holster< / span > < span class = "plain" > {< / span >
< span class = "reserved" > int< / span > < span class = "plain" > < / span > < span class = "identifier" > vhmode_wanted< / span > < span class = "plain" > ;< / span >
< span class = "reserved" > int< / span > < span class = "plain" > < / span > < span class = "identifier" > vhmode_provided< / span > < span class = "plain" > ;< / span >
< span class = "identifier" > inter_t< / span > < span class = "plain" > < / span > < span class = "identifier" > val1< / span > < span class = "plain" > , < / span > < span class = "identifier" > val2< / span > < span class = "plain" > ;< / span >
< span class = "plain" > } < / span > < span class = "reserved" > value_holster< / span > < span class = "plain" > ;< / span >
< / pre >
< p class = "inwebparagraph" > < / p >
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< p class = "endnote" > The structure value_holster is private to this section.< / p >
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< p class = "inwebparagraph" > < a id = "SP2" > < / a > < b > § 2. < / b > < / p >
< pre class = "display" >
< span class = "reserved" > value_holster< / span > < span class = "plain" > < / span > < span class = "functiontext" > Holsters::new< / span > < span class = "plain" > (< / span > < span class = "reserved" > int< / span > < span class = "plain" > < / span > < span class = "identifier" > vhm< / span > < span class = "plain" > ) {< / span >
< span class = "reserved" > value_holster< / span > < span class = "plain" > < / span > < span class = "identifier" > vh< / span > < span class = "plain" > ;< / span >
< span class = "identifier" > vh< / span > < span class = "element" > .val1< / span > < span class = "plain" > = 0; < / span > < span class = "identifier" > vh< / span > < span class = "plain" > .< / span > < span class = "identifier" > val2< / span > < span class = "plain" > = 0;< / span >
< span class = "identifier" > vh< / span > < span class = "element" > .vhmode_wanted< / span > < span class = "plain" > = < / span > < span class = "identifier" > vhm< / span > < span class = "plain" > ;< / span >
< span class = "identifier" > vh< / span > < span class = "element" > .vhmode_provided< / span > < span class = "plain" > = < / span > < span class = "constant" > NO_VHMODE< / span > < span class = "plain" > ;< / span >
< span class = "reserved" > if< / span > < span class = "plain" > (< / span > < span class = "identifier" > vhm< / span > < span class = "plain" > == < / span > < span class = "constant" > NO_VHMODE< / span > < span class = "plain" > ) < / span > < span class = "identifier" > internal_error< / span > < span class = "plain" > (< / span > < span class = "string" > "can't want NO_VHMODE"< / span > < span class = "plain" > );< / span >
< span class = "reserved" > return< / span > < span class = "plain" > < / span > < span class = "identifier" > vh< / span > < span class = "plain" > ;< / span >
< span class = "plain" > }< / span >
< / pre >
< p class = "inwebparagraph" > < / p >
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< p class = "endnote" > The function Holsters::new is used in 2/eis (< a href = "2-eis.html#SP3_1" > § 3.1< / a > ).< / p >
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< p class = "inwebparagraph" > < a id = "SP3" > < / a > < b > § 3. Conversions. < / b > < / p >
< pre class = "display" >
< span class = "reserved" > int< / span > < span class = "plain" > < / span > < span class = "functiontext" > Holsters::data_acceptable< / span > < span class = "plain" > (< / span > < span class = "reserved" > value_holster< / span > < span class = "plain" > *< / span > < span class = "identifier" > vh< / span > < span class = "plain" > ) {< / span >
< span class = "reserved" > if< / span > < span class = "plain" > (< / span > < span class = "identifier" > vh< / span > < span class = "plain" > == < / span > < span class = "identifier" > NULL< / span > < span class = "plain" > ) < / span > < span class = "identifier" > internal_error< / span > < span class = "plain" > (< / span > < span class = "string" > "no VH"< / span > < span class = "plain" > );< / span >
< span class = "reserved" > if< / span > < span class = "plain" > ((< / span > < span class = "identifier" > vh< / span > < span class = "plain" > -< / span > < span class = "element" > > vhmode_wanted< / span > < span class = "plain" > == < / span > < span class = "constant" > INTER_DATA_VHMODE< / span > < span class = "plain" > ) ||< / span >
< span class = "plain" > (< / span > < span class = "identifier" > vh< / span > < span class = "plain" > -< / span > < span class = "element" > > vhmode_wanted< / span > < span class = "plain" > == < / span > < span class = "constant" > INTER_VAL_VHMODE< / span > < span class = "plain" > )) < / span > < span class = "reserved" > return< / span > < span class = "plain" > < / span > < span class = "identifier" > TRUE< / span > < span class = "plain" > ;< / span >
< span class = "reserved" > return< / span > < span class = "plain" > < / span > < span class = "identifier" > FALSE< / span > < span class = "plain" > ;< / span >
< span class = "plain" > }< / span >
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< span class = "reserved" > void< / span > < span class = "plain" > < / span > < span class = "functiontext" > Holsters::to_val_mode< / span > < span class = "plain" > (< / span > < span class = "identifier" > inter_tree< / span > < span class = "plain" > *< / span > < span class = "identifier" > I< / span > < span class = "plain" > , < / span > < span class = "reserved" > value_holster< / span > < span class = "plain" > *< / span > < span class = "identifier" > vh< / span > < span class = "plain" > ) {< / span >
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< span class = "reserved" > if< / span > < span class = "plain" > (< / span > < span class = "identifier" > vh< / span > < span class = "plain" > == < / span > < span class = "identifier" > NULL< / span > < span class = "plain" > ) < / span > < span class = "identifier" > internal_error< / span > < span class = "plain" > (< / span > < span class = "string" > "no VH"< / span > < span class = "plain" > );< / span >
< span class = "reserved" > switch< / span > < span class = "plain" > (< / span > < span class = "identifier" > vh< / span > < span class = "plain" > -< / span > < span class = "element" > > vhmode_provided< / span > < span class = "plain" > ) {< / span >
< span class = "reserved" > case< / span > < span class = "plain" > < / span > < span class = "constant" > INTER_DATA_VHMODE< / span > < span class = "plain" > :< / span >
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< span class = "functiontext" > Produce::val< / span > < span class = "plain" > (< / span > < span class = "identifier" > I< / span > < span class = "plain" > , < / span > < span class = "identifier" > K_value< / span > < span class = "plain" > , < / span > < span class = "identifier" > vh< / span > < span class = "plain" > -< / span > < span class = "element" > > val1< / span > < span class = "plain" > , < / span > < span class = "identifier" > vh< / span > < span class = "plain" > -> < / span > < span class = "identifier" > val2< / span > < span class = "plain" > );< / span >
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< span class = "reserved" > break< / span > < span class = "plain" > ;< / span >
< span class = "reserved" > case< / span > < span class = "plain" > < / span > < span class = "constant" > INTER_VOID_VHMODE< / span > < span class = "plain" > :< / span >
< span class = "identifier" > internal_error< / span > < span class = "plain" > (< / span > < span class = "string" > "impossible conversion"< / span > < span class = "plain" > );< / span >
< span class = "reserved" > break< / span > < span class = "plain" > ;< / span >
< span class = "reserved" > case< / span > < span class = "plain" > < / span > < span class = "constant" > NO_VHMODE< / span > < span class = "plain" > :< / span >
< span class = "identifier" > vh< / span > < span class = "plain" > -< / span > < span class = "element" > > val1< / span > < span class = "plain" > = < / span > < span class = "identifier" > LITERAL_IVAL< / span > < span class = "plain" > ; < / span > < span class = "identifier" > vh< / span > < span class = "plain" > -> < / span > < span class = "identifier" > val2< / span > < span class = "plain" > = 0;< / span >
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< span class = "functiontext" > Produce::val< / span > < span class = "plain" > (< / span > < span class = "identifier" > I< / span > < span class = "plain" > , < / span > < span class = "identifier" > K_value< / span > < span class = "plain" > , < / span > < span class = "identifier" > vh< / span > < span class = "plain" > -< / span > < span class = "element" > > val1< / span > < span class = "plain" > , < / span > < span class = "identifier" > vh< / span > < span class = "plain" > -> < / span > < span class = "identifier" > val2< / span > < span class = "plain" > );< / span >
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< span class = "reserved" > break< / span > < span class = "plain" > ;< / span >
< span class = "plain" > }< / span >
< span class = "identifier" > vh< / span > < span class = "plain" > -< / span > < span class = "element" > > vhmode_provided< / span > < span class = "plain" > = < / span > < span class = "constant" > INTER_VAL_VHMODE< / span > < span class = "plain" > ;< / span >
< span class = "plain" > }< / span >
< / pre >
< p class = "inwebparagraph" > < / p >
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< p class = "endnote" > The function Holsters::data_acceptable appears nowhere else.< / p >
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< p class = "endnote" > The function Holsters::to_val_mode appears nowhere else.< / p >
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< p class = "inwebparagraph" > < a id = "SP4" > < / a > < b > § 4. Holstering data. < / b > < / p >
< pre class = "display" >
< span class = "reserved" > void< / span > < span class = "plain" > < / span > < span class = "functiontext" > Holsters::holster_pair< / span > < span class = "plain" > (< / span > < span class = "reserved" > value_holster< / span > < span class = "plain" > *< / span > < span class = "identifier" > vh< / span > < span class = "plain" > , < / span > < span class = "identifier" > inter_t< / span > < span class = "plain" > < / span > < span class = "identifier" > v1< / span > < span class = "plain" > , < / span > < span class = "identifier" > inter_t< / span > < span class = "plain" > < / span > < span class = "identifier" > v2< / span > < span class = "plain" > ) {< / span >
< span class = "reserved" > if< / span > < span class = "plain" > (< / span > < span class = "identifier" > vh< / span > < span class = "plain" > == < / span > < span class = "identifier" > NULL< / span > < span class = "plain" > ) < / span > < span class = "identifier" > internal_error< / span > < span class = "plain" > (< / span > < span class = "string" > "no VH"< / span > < span class = "plain" > );< / span >
< span class = "identifier" > vh< / span > < span class = "plain" > -< / span > < span class = "element" > > val1< / span > < span class = "plain" > = < / span > < span class = "identifier" > v1< / span > < span class = "plain" > ; < / span > < span class = "identifier" > vh< / span > < span class = "plain" > -> < / span > < span class = "identifier" > val2< / span > < span class = "plain" > = < / span > < span class = "identifier" > v2< / span > < span class = "plain" > ;< / span >
< span class = "identifier" > vh< / span > < span class = "plain" > -< / span > < span class = "element" > > vhmode_provided< / span > < span class = "plain" > = < / span > < span class = "constant" > INTER_DATA_VHMODE< / span > < span class = "plain" > ;< / span >
< span class = "plain" > }< / span >
< span class = "reserved" > void< / span > < span class = "plain" > < / span > < span class = "functiontext" > Holsters::unholster_pair< / span > < span class = "plain" > (< / span > < span class = "reserved" > value_holster< / span > < span class = "plain" > *< / span > < span class = "identifier" > vh< / span > < span class = "plain" > , < / span > < span class = "identifier" > inter_t< / span > < span class = "plain" > *< / span > < span class = "identifier" > v1< / span > < span class = "plain" > , < / span > < span class = "identifier" > inter_t< / span > < span class = "plain" > *< / span > < span class = "identifier" > v2< / span > < span class = "plain" > ) {< / span >
< span class = "reserved" > if< / span > < span class = "plain" > (< / span > < span class = "identifier" > vh< / span > < span class = "plain" > == < / span > < span class = "identifier" > NULL< / span > < span class = "plain" > ) < / span > < span class = "identifier" > internal_error< / span > < span class = "plain" > (< / span > < span class = "string" > "no VH"< / span > < span class = "plain" > );< / span >
< span class = "reserved" > if< / span > < span class = "plain" > (< / span > < span class = "identifier" > vh< / span > < span class = "plain" > -< / span > < span class = "element" > > vhmode_provided< / span > < span class = "plain" > != < / span > < span class = "constant" > INTER_DATA_VHMODE< / span > < span class = "plain" > ) {< / span >
< span class = "reserved" > if< / span > < span class = "plain" > (< / span > < span class = "identifier" > vh< / span > < span class = "plain" > -< / span > < span class = "element" > > vhmode_provided< / span > < span class = "plain" > != < / span > < span class = "constant" > NO_VHMODE< / span > < span class = "plain" > )< / span >
< span class = "reserved" > if< / span > < span class = "plain" > (< / span > < span class = "identifier" > problem_count< / span > < span class = "plain" > == 0) < / span > < span class = "identifier" > internal_error< / span > < span class = "plain" > (< / span > < span class = "string" > "errant DV"< / span > < span class = "plain" > );< / span >
< span class = "identifier" > vh< / span > < span class = "plain" > -< / span > < span class = "element" > > val1< / span > < span class = "plain" > = < / span > < span class = "identifier" > LITERAL_IVAL< / span > < span class = "plain" > ; < / span > < span class = "identifier" > vh< / span > < span class = "plain" > -> < / span > < span class = "identifier" > val2< / span > < span class = "plain" > = 0;< / span >
< span class = "identifier" > vh< / span > < span class = "plain" > -< / span > < span class = "element" > > vhmode_provided< / span > < span class = "plain" > = < / span > < span class = "constant" > INTER_DATA_VHMODE< / span > < span class = "plain" > ;< / span >
< span class = "plain" > }< / span >
< span class = "plain" > *< / span > < span class = "identifier" > v1< / span > < span class = "plain" > = < / span > < span class = "identifier" > vh< / span > < span class = "plain" > -< / span > < span class = "element" > > val1< / span > < span class = "plain" > ; *< / span > < span class = "identifier" > v2< / span > < span class = "plain" > = < / span > < span class = "identifier" > vh< / span > < span class = "plain" > -> < / span > < span class = "identifier" > val2< / span > < span class = "plain" > ;< / span >
< span class = "plain" > }< / span >
< / pre >
< p class = "inwebparagraph" > < / p >
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< p class = "endnote" > The function Holsters::holster_pair appears nowhere else.< / p >
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< p class = "endnote" > The function Holsters::unholster_pair appears nowhere else.< / p >
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< hr class = "tocbar" >
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< ul class = "toc" > < li > < a href = "3-pi.html" > Back to 'Producing Inter'< / a > < / li > < li > < i > (This section ends Chapter 3: Masonry.)< / i > < / li > < / ul > < hr class = "tocbar" >
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