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Altera_Forum
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13 years ago

Symbols pipe ( | ), colon ( : ), and underscore ( _ ) characters mean in naming...

What do the symbols pipe ( | ), colon ( : ), and underscore ( _ ) mean in the Quartus II naming mechanism. When I open the node window I am flooded with signals that have long names and they seem to...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

Probably nothing at all.

They appear in generated names when two items are concatenated, using characters that don't appear elsewhere can avoid issues with non-unique names.

Long names are typical of any system that uses software to generate 'code'.

In the past I've seen a C compiler warn "variable names are not unique in their first 256 characters" !