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Rough-draft work-in-progress alpha of new C-to-English module
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@ -13,8 +13,8 @@ use warnings;
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# These are set automatically by the build/commit script
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use constant {
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BUILD_NAME => "PBot",
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BUILD_REVISION => 616,
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BUILD_DATE => "2014-06-05",
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BUILD_REVISION => 617,
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BUILD_DATE => "2014-06-07",
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};
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1;
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@ -17,12 +17,15 @@ $code =~ s/#include <([^>]+)>/\n#include <$1>\n/g;
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$code =~ s/#([^ ]+) (.*?)\\n/\n#$1 $2\n/g;
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$code =~ s/#([\w\d_]+)\\n/\n#$1\n/g;
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my $original_code = $code;
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my $precode = $code;
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$code = '';
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my $has_main = 0;
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my ($has_function, $has_main);
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my $prelude = "#define _XOPEN_SOURCE 9001\n#define __USE_XOPEN\n#include <stdio.h>\n#include <stdlib.h>\n#include <string.h>\n#include <unistd.h>\n#include <math.h>\n#include <limits.h>\n#include <sys/types.h>\n#include <stdint.h>\n#include <errno.h>\n#include <ctype.h>\n#include <assert.h>\n#include <prelude.h>\n\n";
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my $prelude_base = "#define _XOPEN_SOURCE 9001\n#define __USE_XOPEN\n#include <stdio.h>\n#include <stdlib.h>\n#include <string.h>\n#include <unistd.h>\n#include <math.h>\n#include <limits.h>\n#include <sys/types.h>\n#include <stdint.h>\n#include <errno.h>\n#include <ctype.h>\n#include <assert.h>\n\n";
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my $prelude = $prelude_base;
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$prelude .= "$1$2" if $precode =~ s/^\s*(#.*)(#.*?[>\n])//s;
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my $preprecode = $precode;
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@ -51,6 +54,7 @@ while($preprecode =~ s/([ a-zA-Z0-9\_\*\[\]]+)\s+([a-zA-Z0-9_*]+)\s*\((.*?)\)\s*
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$precode .= $extract[1];
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}
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$code .= "$ret $ident($params) $body\n\n";
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$has_function = 1;
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$has_main = 1 if $ident eq 'main';
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}
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@ -58,7 +62,7 @@ $precode =~ s/^\s+//;
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$precode =~ s/\s+$//;
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if(not $has_main) {
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$code = "$prelude\n\n$code\n\nint main(void) { $precode\n;\nreturn 0;}\n";
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$code = "$prelude\n\n$code\n\nint main(void) {\n$precode\n;\nreturn 0;}\n";
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} else {
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$code = "$prelude\n\n$precode\n\n$code\n";
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}
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@ -71,13 +75,13 @@ $code =~ s/;(\s*\/\*.*?\*\/\s*);\n/;$1/gs;
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$code =~ s/;(\s*\/\/.*?\s*);\n/;$1/gs;
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$code =~ s/({|})\n\s*;\n/$1\n/gs;
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chdir "$ENV{HOME}/blackshell/msmud/babel-buster/code" or die "Could not chdir: $!";
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chdir "c2english" or die "Could not chdir: $!";
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open my $fh, '>', 'code.c' or die "Could not write code: $!";
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print $fh $code;
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close $fh;
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my ($ret, $result) = execute(10, "gcc -std=c89 -pedantic -Werror -Wno-unused -fsyntax-only -fno-diagnostics-show-option code.c");
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my ($ret, $result) = execute(10, "gcc -std=c89 -pedantic -Werror -Wno-unused -fsyntax-only -fno-diagnostics-show-option -fno-diagnostics-show-caret code.c");
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if(not $force and $ret != 0) {
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$output = $result;
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@ -149,37 +153,28 @@ if(not $force and $ret != 0) {
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}
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}
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$output = `./c2e 2>/dev/null code.c` if not defined $output;
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$code =~ s/^\Q$prelude_base\E\s*//;
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if(not $has_main) {
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$output =~ s/Let main be a function returning an integer. It is called with no arguments. To perform the function, //;
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$output =~ s/\s*(Then|Next,|Continuing on, we next)?\s*return 0.//i;
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$output =~ s/^(.)/uc $1/e;
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open my $fh, '>', 'code2eng.c' or die "Could not write code: $!";
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print $fh $code;
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close $fh;
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$output = `./c2eng.pl code2eng.c` if not defined $output;
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if(not $has_function and not $has_main) {
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$output =~ s/Let 'main' be a function taking no parameters and returning int.\s*To perform the function:\s*//;
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$output =~ s/\s*Return 0.\s*$//;
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$output =~ s/\s*Return 0.\s*End of function 'main'.\s*//;
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$output =~ s/\s*Do nothing.\s*$//;
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$output =~ s/^\s*(.)/\U$1/;
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}
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$output =~ s/"a"/a/g;
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$output =~ s/whose initial value is/with value being/g;
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$output =~ s/each element of which is a(n?)/of type a$1/g;
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$output =~ s/\s+s\s*$//g;
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$output =~ s/variable/object/g;
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$output =~ s/of type a pointer/of type pointer/g;
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$output =~ s/of type a character/of type char/g;
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$output =~ s/of type an integer/of type int/g;
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$output =~ s/to a character/to char/g;
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$output =~ s/to an integer/to int/g;
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$output =~ s/with no arguments returning/with unspecified arguments returning/g;
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$output =~ s/with argument a void/with no arguments/g;
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$output =~ s/\s*After that,\s*$//;
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$output =~ s/as long as zero does not equal 1/while the condition is true/g;
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$output =~ s/\ncompute nothing.//g;
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$output =~ s/\s+/ /;
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if($output eq " ") {
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print "Does not compute. I only know about C89 and valid code.\n";
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exit;
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if(not $output) {
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$output = "Does not compute. I only know about C89 and valid code.\n";
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}
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print "$output\n";
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print "[Note: Work-in-progress; may be issues!] $output\n";
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sub execute {
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my $timeout = shift @_;
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1231
modules/c2english/CGrammar.pm
Normal file
1231
modules/c2english/CGrammar.pm
Normal file
File diff suppressed because it is too large
Load Diff
66
modules/c2english/c2eng.pl
Executable file
66
modules/c2english/c2eng.pl
Executable file
@ -0,0 +1,66 @@
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#!/usr/bin/perl
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use strict;
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use warnings;
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use Parse::RecDescent;
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use Getopt::Std;
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use Data::Dumper;
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# todo: 1. the entire syntax for pointers to functions.
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# 2. preprocessor directives. (getting there)
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# So, the problem with handling CPP directives is when they
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# interrupt something. I'm open to ideas.
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# 4. functions to handle the nesting levels (ordinal number generator and CPP stack)
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# 6. change returns to prints where appropriate.
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open GRAMMAR, 'CGrammar.pm' or die "Could not open CGrammar.pm: $!";
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local $/;
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my $grammar = <GRAMMAR>;
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close GRAMMAR;
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our ($opt_T, $opt_t, $opt_o);
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getopts('Tto:');
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if ($opt_T ) {
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$::RD_TRACE = 1;
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} else {
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undef $::RD_TRACE ;
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}
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$::RD_HINT = 1;
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$Parse::RecDescent::skip = '\s*';
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# This may be necessary..
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# $::RD_AUTOACTION = q { [@item] };
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my $parser = Parse::RecDescent->new($grammar) or die "Bad grammar!\n";
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if ($opt_o) {
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open(OUTFILE, ">>$opt_o");
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*STDOUT = *OUTFILE{IO};
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}
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my $text = "";
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foreach my $arg (@ARGV) {
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print STDERR "Opening file $arg\n";
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open(CFILE, "$arg") or die "Could not open $arg.\n";
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local $/;
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$text = <CFILE>;
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close(CFILE);
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print STDERR "parsing...\n";
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# for debugging...
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if ($opt_t) {
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$::RD_TRACE = 1;
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} else {
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undef $::RD_TRACE;
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}
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defined $parser->startrule(\$text) or die "Bad text!\n$text\n";
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}
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$text =~ s/\s+//g;
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print "\n[$text]\n" if length $text;
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