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|
subcode: block
{
BLOCK
}
# -- DATA -------------------------
subcode: update_max(max, a)
$if $(max)<$(a)
$(max)=$(a)
subcode: update_min(min, a)
$if $(min)>$(a)
$(min)=$(a)
subcode: update_minmax(min, max, a)
$if !defined $(min)
$(min) = $(a)
$(max) = $(a)
$else
$call update_min, $(min), $(a)
$call update_max, $(max), $(a)
subcode: swap(a, b)
($(a), $(b)) = ($(b), $(a))
subcode: approx_zero(a)
$if abs($(a))<1e-8
$(a) = 0
# ----
subcode: dump(@a)
$(for:$(a))
print '$1 = ', "$1 "
$print
subcode: dump_hash(h)
$foreach $k in sort keys(%$(h))
print " $k: ", $$(h){$k}
# -- IO -------------------------
macros:
In: In
Out: Out
subcode: open_r(name)
$(if:name~")
$(set:name=$(name:strip))
$(if:In~\$)
$(set:_my_in=my $(In))
$(else)
$(set:_my_in=$(In))
open $(_my_in), "$(name)" or die "Can't open $(name): $!\n"
$while <$(In)>
BLOCK
close $(In)
subcode: open_w(name)
$(if:name~")
$(set:name=$(name:strip))
$(if:name!~[>|])
$(set:_name=>$(name))
$(else)
$(set:_name=$(name))
$(if:Out~\$)
$(set:_my_out=my $(Out))
$(else)
$(set:_my_out=$(Out))
open $(_my_out), "$(_name)" or die "Can't write $(name): $!\n"
BLOCK
close $(Out)
subcode: open_W(name)
&call open_w, $(name)
$print " --> [$(name)]"
$(set:print_to=$(Out))
BLOCK
subcode: assert(cond)
$if !($(cond))
die "$(cond) - FALSE!\n"
subcode: get_file_in_t(name)
$(if:name~")
$(set:name=$(name:strip))
my $t
&call block
open In, "$(name)" or die "Can't open $(name).\n"
local $/
$t=<In>
close In
subcode: get_file_lines(name, @lines)
$(if:name~")
$(set:name=$(name:strip))
$(if:!lines)
$(set:lines=@lines)
my $(lines)
&call block
open In, "$(name)" or die "Can't open $(name).\n"
$(lines)=<In>
close In
#----------------------------------------
subcode: bench(n)
use Time::HiRes
my $time_start=Time::HiRes::clock()
$for $i_bench=0:$(n)
BLOCK
my $time_finish=Time::HiRes::clock()
printf "bench $(n) iterations: %f sec/iter\n", ($time_finish-$time_start)/$(n)
#----------------------------------------
#-- similar to HERE document -----------
perlcode: print_block
my $codelist=MyDef::compileutil::get_named_block("last_grab")
$if $codelist
$foreach $t in @$codelist
$t=~s/"/\\\"/g
push @$out, "print Out \"$t\\n\";"
# -- dbl_list ----------------
subcode: dbl_list(name)
$global @$(name), %$(name)
@$(name)=()
%$(name)=()
subcode: dbl_push(name, v)
$if !$$(name){$(v)}
$$(name){$(v)}=1
push @$(name), $(v)
subcode: dbl_push_key(name, k, v)
$if !$$(name){$(k)}
$$(name){$(k)}=1
push @$(name), $(v)
subcode: dbl_push_list(name, list)
$(list)=~s/\s*;\s*$//
my @tlist=split /,\s*/, $(list)
$foreach $v in @tlist
$call dbl_push, $(name), $v
#-- Strange but useful... ------
# $call match_count, $n, $s=~/'/g
subcode: match_count(n, @re)
$(n) = () = $(re)
macros:
# uses possessive quantifier
RE_PAREN: (\((?:[^()]++|(?-1))*+\))
#-- Parser -------------------
# for simple parsing; for more complicated cases, ref perl/parse.def
subcode: parse_loop(l)
$while 1
$if $(l)=~/\G$/sgc
last
BLOCK
$(if:!skip_else)
$else
die "parse_loop: nothing matches! [$(l)]\n"
subcode: if_lex(@pattern)
$case $(l)=~/\G$(pattern)/sgc
BLOCK
macros:
quote: "(?:[^"\\]|\\.)*"
#----------------------------------------
# all print goes to $debug_console
subcode: init_debug_console
use Socket
$global $debug_console
socket($debug_console, PF_INET, SOCK_STREAM, 0) or die "socket $!"
my $port = 1300
connect($debug_console, pack_sockaddr_in($port, inet_aton("localhost"))) or die "connect: $!"
$print_to $debug_console
{
my $ofh = select $debug_console
$|=1
select $ofh
}
# -- PATTERNS (less-used) ---------------
subcode: topdown_loop(name, top)
my %$(name)_hash
my @$(name)_list
$global @topdown_list
@topdown_list = ($(top))
$while my $$(name)=pop @topdown_list
$if !$$(name)_hash{$$(name)}
$$(name)_hash{$$(name)}=1
BLOCK
|
