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|
#!/usr/bin/env perl
# Macro preprocessor for brainfuck
use Modern::Perl;
my %macros = (
INPUT => <<END,
Get ASCII number convert to integer and store in current cell
==== ==== ====
cont digi num
==== ==== ====
+
[
- cont=0
>,
======SUB10======
----------
[ not 10
<+> cont=1
=====SUB38======
----------
----------
----------
--------
>
=====MUL10=======
[>+>+<<-]>>[<<+>>-]< dup
>>>+++++++++
[
<<<
[>+>+<<-]>>[<<+>>-]< dup
[<<+>>-]
>>-
]
<<<[-]<
======RMOVE1======
<
[>+<-]
]
<
]
>>[<<+>>-]<<
END
OUTPUT => <<END,
Output number in current cell
[>+<-]>
[
======DUP======
[>+>+<<-]>>[<<+>>-]<
======MOD10====
>+++++++++<
[
>>>+<< bool= 1
[>+>[-]<<-] bool= ten==0
>[<+>-] ten = tmp
>[<<++++++++++>>-] if ten=0 ten=10
<<- dec ten
<- dec num
]
+++++++++ num=9
>[<->-]< dec num by ten
=======RROT======
[>+<-]
< [>+<-]
< [>+<-]
>>>[<<<+>>>-]
<
=======DIV10========
>+++++++++<
[
>>>+<< bool= 1
[>+>[-]<<-] bool= ten==0
>[<+>-] ten = tmp
>[<<++++++++++>>>+<-] if ten=0 ten=10 inc div
<<- dec ten
<- dec num
]
>>>>[<<<<+>>>>-]<<<< copy div to num
>[-]< clear ten
=======INC1=========
<+>
]
<
[
=======MOVER=========
[>+<-]
=======ADD48========
+++++++[<+++++++>-]<->
=======PUTC=======
<.[-]>
======MOVEL2========
>[<<+>>-]<
<-
]
>++++[<++++++++>-]<.[-]
END
DUP1R => "[>+>+<<-]>>[<<+>>-]<<", # duplicate a cell right
DUP2R => "[>>+>+<<<-]>>>[<<<+>>>-]<<<", # duplicate a cell 2 right
DUP3R => "[>>>+>+<<<<-]>>>>[<<<<+>>>>-]<<<<", # duplicate a cell 3 right
DUP4R => "[>>>>+>+<<<<<-]>>>>>[<<<<<+>>>>>-]<<<<<", # duplicate a cell 4 right
MOVE1L => "<[-]>[-<+>]", # move a cell left
MOVE2L => "<<[-]>>[-<<+>>]", # move a cell 2 right
MOVE3L => "<<<[-]>>>[-<<<+>>>]", # move a cell 3 right
MOVE4L => "<<<<[-]>>>>[-<<<<+>>>>]", # move a cell 4 right
PLUS => <<END,
== add x=x(plus)y ( *x y temp0 )
>>[-]
<[<+>>+<-]
>[<+>-]
[-]<[-]<
== ( *x(plus)y )
END
DIVMOD => <<END,
== divmod ( *n d )
[->[->+>>]>[<<+>>[-<+>]>+>>]<<<<<]>[>>>]>[[-<+>]>+>>]<<<<<
== ( 0 (divisor minus mod) mod div )
>>>[-<<<+>>>]<<< move div to first cell
>[-]>[-<+>]<< move mod to second cell
== ( *div mod )
END
MULT => <<END,
== mult x=x*y ( *x y temp0 temp1 )
>>[-] temp0=0
>[-] temp1=0
<<<[>>>+<<<-]
>>>[<<[<+>>+<-]>[<+>-]
>-]
[-]<[-]<[-]<
== ( *x*y )
END
);
sub expand_macro {
my($name) = @_;
my $text = $macros{$name} // '';
$text =~ s/[^-+<>\[\],.#]//g;
return $text;
}
my $out = '';
while (<>) {
s/\@(\w+)/ expand_macro($1) /ge;
s/[^-+<>\[\],.#]//g;
$out .= $_;
}
while ($out ne '') {
say substr($out, 0, 64);
substr($out, 0, 64) = '';
}
|
