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This allowed me to standardize the sourcetar and sf/* scripts: the base
directory (containing ./git) is now empty, except for maintenance scripts,
while the source files and build scripts of the annotations are stored in
a subdirectory of their own.
23 lines
916 B
Text
23 lines
916 B
Text
tt(Data)'s destructor has a data member which is an unrestricted union. As the
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union's destructor can't perform any actions, the union's proper destruction
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is delegated to a member, tt(Union::destroy) destroying the fields for which
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destructors are defined. As tt(d_tag) stores the currently used tt(Union)
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field, tt(Data)'s destructor can pass tt(d_tag) to tt(Union::destroy) to
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inform it about which field should be destroyed.
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tt(Union::destroy) does not need to perform any action for tt(INT) tags, but
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for tt(STRING) tags the memory allocated by tt(u_string) must be returned. For
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this an explicit destructor call is used. tt(Union::destroy) and
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tt(Data)'s destructor are therefore implemented like this:
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verb(
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void Data::Union::destroy(Tag myTag)
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{
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if (myTag == Tag::STRING)
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u_string.~string();
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}
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Data::~Data()
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{
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d_union.destroy(d_tag);
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}
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)
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