Perl virtual machine: Difference between revisions

Revision as of 07:31, 14 July 2020

Revision as of 10:11, 25 July 2020

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An example of a simple compiled [[Hello world]] program dumped in execute order (with the B::Concise Perl module):

<sourcesyntaxhighlight lang="console">

$ perl -MO=Concise,-exec -E 'say "Hello, world!"'

1 <0> enter

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5 <@> say vK

6 <@> leave[1 ref] vKP/REFC

</syntaxhighlight>

</source>

Some opcodes (entereval, dofile, require) call Perl compiler functions which in turn generate other opcodes in the same Perl virtual machine.