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package AnyEvent::Strict; |
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|
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# supply checks for argument validity for many functions |
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# this is an internal module. although it could be loaded |
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# at any time, this is not really documented. |
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|
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use Carp qw(croak); |
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use AnyEvent (); |
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|
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AnyEvent::post_detect { |
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# assume the first ISA member is the implementation |
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# # and link us in before it in the chain. |
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my $MODEL = shift @AnyEvent::ISA; |
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unshift @ISA, $MODEL; |
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unshift @AnyEvent::ISA, AnyEvent::Strict:: |
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}; |
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|
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sub io { |
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my $class = shift; |
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my %arg = @_; |
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|
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ref $arg{cb} |
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or croak "AnyEvent->io called with illegal cb argument '$arg{cb}'"; |
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delete $arg{cb}; |
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|
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fileno $arg{fh} |
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or croak "AnyEvent->io called with illegal fh argument '$arg{fh}'"; |
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delete $arg{fh}; |
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|
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$arg{poll} =~ /^[rw]$/ |
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or croak "AnyEvent->io called with illegal poll argument '$arg{poll}'"; |
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delete $arg{poll}; |
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|
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croak "AnyEvent->io called with unsupported parameter(s) " . join ", ", keys %arg |
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if keys %arg; |
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|
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$class->SUPER::io (@_) |
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} |
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|
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sub timer { |
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my $class = shift; |
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my %arg = @_; |
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|
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ref $arg{cb} |
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or croak "AnyEvent->timer called with illegal cb argument '$arg{cb}'"; |
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delete $arg{cb}; |
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|
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exists $arg{after} |
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or croak "AnyEvent->timer called without mandatory 'after' parameter"; |
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delete $arg{after}; |
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|
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!$arg{interval} or $arg{interval} > 0 |
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or croak "AnyEvent->timer called with illegal interval argument '$arg{interval}'"; |
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delete $arg{interval}; |
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|
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croak "AnyEvent->timer called with unsupported parameter(s) " . join ", ", keys %arg |
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if keys %arg; |
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|
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$class->SUPER::timer (@_) |
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} |
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|
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sub signal { |
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my $class = shift; |
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my %arg = @_; |
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|
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ref $arg{cb} |
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or croak "AnyEvent->signal called with illegal cb argument '$arg{cb}'"; |
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delete $arg{cb}; |
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|
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eval "require POSIX; 0 < &POSIX::SIG$arg{signal}" |
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or croak "AnyEvent->signal called with illegal signal name '$arg{signal}'"; |
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delete $arg{signal}; |
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|
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croak "AnyEvent->signal called with unsupported parameter(s) " . join ", ", keys %arg |
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if keys %arg; |
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|
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$class->SUPER::signal (@_) |
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} |
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|
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sub child { |
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my $class = shift; |
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my %arg = @_; |
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|
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ref $arg{cb} |
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or croak "AnyEvent->signal called with illegal cb argument '$arg{cb}'"; |
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delete $arg{cb}; |
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|
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$arg{pid} =~ /^-?\d+$/ |
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or croak "AnyEvent->signal called with illegal pid value '$arg{pid}'"; |
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delete $arg{pid}; |
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|
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croak "AnyEvent->signal called with unsupported parameter(s) " . join ", ", keys %arg |
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if keys %arg; |
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|
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$class->SUPER::child (@_) |
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} |
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|
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sub condvar { |
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my $class = shift; |
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my %arg = @_; |
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|
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!exists $arg{cb} or ref $arg{cb} |
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or croak "AnyEvent->condvar called with illegal cb argument '$arg{cb}'"; |
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delete $arg{cb}; |
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|
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croak "AnyEvent->condvar called with unsupported parameter(s) " . join ", ", keys %arg |
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if keys %arg; |
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|
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$class->SUPER::condvar (@_) |
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} |
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|
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sub time { |
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my $class = shift; |
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|
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@_ |
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and croak "AnyEvent->time wrongly called with paramaters"; |
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|
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$class->SUPER::time (@_) |
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} |
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|
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sub now { |
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my $class = shift; |
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|
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@_ |
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and croak "AnyEvent->now wrongly called with paramaters"; |
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|
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$class->SUPER::now (@_) |
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} |
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|
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