PATH:
usr
/
share
/
doc
/
perl-Parse-RecDescent-1.967009
/
demo
#!/usr/bin/perl -ws BEGIN { unless (-f "Calc.pm") { print "You first need to build Calc.pm.\n\n", "Try: perl -MParse::RecDescent - calc_grammar Calc\n", " or: demo_buildcalc.pl\n\n"; exit; } } use Parse::RecDescent; use Calc; sub evalop { # my (@list) = @{[@{$_[0]}]}; my (@list) = @{$_[0]}; my $val = shift(@list)->(); while (@list) { my ($op, $arg2) = splice @list, 0, 2; $op->($val,$arg2->()); } return $val; } my $parse = Calc->new() or die "bad grammar"; print "> "; while (<DATA>) { # FOR DEMO CHANGE TO: while (<DATA>) print $parse->main($_), "\n\n> "; } __DATA__ $x = 2 $y = 3 +1-1+1-1+1-1+1-1+1 7*7-6*8 121/(121/11)/121*11 1/(10-1/(1/(10-1))) $x * $y foreach $i (1..$y) $x = $x * 2 + $i $x
[-] demo_cpp.pl
[edit]
[-] demo_autorule.pl
[edit]
[-] demo_errors.pl
[edit]
[-] demo_piecewise.pl
[edit]
[-] demo_logic.pl
[edit]
[-] demo_skipcomment.pl
[edit]
[-] demo_implicit.pl
[edit]
[-] demo_separators.pl
[edit]
[-] demo_perlparsing.pl
[edit]
[-] demo_street.pl
[edit]
[-] demo_scoredsep.pl
[edit]
[-] demo.c
[edit]
[-] demo_textgen.pl
[edit]
[-] demo.pl
[edit]
[-] demo_calc.pl
[edit]
[+]
..
[-] demo_another_Cgrammar.pl
[edit]
[-] demo_matchrule2.pl
[edit]
[-] demo_mccoy.pl
[edit]
[-] demo_restructure_painful.pl
[edit]
[-] demo_methods.pl
[edit]
[-] demo_language.pl
[edit]
[-] demo_selfmod.pl
[edit]
[-] demo_OOautoparsetree.pl
[edit]
[-] demo_codeblock.pl
[edit]
[-] demo_simplequery.pl
[edit]
[-] demo_restructure_easy.pl
[edit]
[-] demo_tokens.pl
[edit]
[-] demo_decomment.pl
[edit]
[-] demo_recipe.pl
[edit]
[-] demo_delete.pl
[edit]
[-] demo_lisplike.pl
[edit]
[-] demo_bad.pl
[edit]
[-] demo_arithmetic.pl
[edit]
[-] demo_leftassoc.pl
[edit]
[-] demo_PerlCSV.pl
[edit]
[-] demo_metaRD.pm
[edit]
[-] demo_derived.pl
[edit]
[-] demo_opreps.pl
[edit]
[-] demo_matchrule.pl
[edit]
[-] demo_LaTeXish_autoact.pl
[edit]
[-] demo_operator.pl
[edit]
[-] demo_autoscoresep.pl
[edit]
[-] demo_Cgrammar_v2.pl
[edit]
[-] demo_NL2SQL.pl
[edit]
[-] demo_Cgrammar.pl
[edit]
[-] demo_randomsentence.pl
[edit]
[-] demo_template.pl
[edit]
[-] demo_quicklist.pl
[edit]
[-] demo_itemhash.pl
[edit]
[-] demo_buildcalc.pl
[edit]
[-] demo_leftop.pl
[edit]
[-] demo_decomment_nonlocal.pl
[edit]
[-] demo_dot.pl
[edit]
[-] demo_LaTeXish.pl
[edit]
[-] demo_precalc.pl
[edit]
[-] demo_eval.pl
[edit]
[-] demo_autostub.pl
[edit]
[-] demo_whoson.pl
[edit]
[-] demo_lexer.pl
[edit]
[-] demo_OOparsetree.pl
[edit]
[-] demo_parsetree.pl
[edit]
[-] demo_simple.pl
[edit]
[-] demo_embedding.pl
[edit]
[-] demo_simpleXML.pl
[edit]
[-] demo_undumper.pl
[edit]