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compiler_vm: Improve handling of \n in quoted literals

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Pragmatic Software 2012-09-01 05:20:01 +00:00
parent ccf1d35a54
commit a4cf4136ee
2 changed files with 65 additions and 9 deletions
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4
PBot/VERSION.pm
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@ -13,8 +13,8 @@ use warnings;
# These are set automatically by the build/commit script
use constant {
BUILD_NAME => "PBot",
BUILD_REVISION => 379,
BUILD_DATE => "2012-08-23",
BUILD_REVISION => 380,
BUILD_DATE => "2012-08-31",
};
1;

70
modules/compiler_vm/compiler_vm_client.pl
View File

@ -2,7 +2,7 @@
# use warnings;
use strict;
use feature qw(switch);
use feature "switch";
use IPC::Open2;
use Text::Balanced qw(extract_bracketed extract_delimited);
@ -37,7 +37,7 @@ sub pretty {
print $fh $code;
close $fh;
system("astyle", "-Ujpfnq", "prog.c");
system("astyle", "-UHjfnq", "prog.c");
open $fh, "<prog.c" or die "Couldn't read prog.c: $!";
$result = join '', <$fh>;
@ -591,8 +591,63 @@ if(not $found) {
print "code before: [$code]\n" if $debug;
$code =~ s/#include <([^>]+)>/#include <$1>\n/g;
$code =~ s/#([^ ]+) (.*?)\\n/#$1 $2\n/g;
$code =~ s/#([\w\d_]+)\\n/#$1\n/g;
# replace \n outside of quotes with literal newline
my $new_code = "";
use constant {
NORMAL => 0,
DOUBLE_QUOTED => 1,
SINGLE_QUOTED => 2,
};
my $state = NORMAL;
my $escaped = 0;
while($code =~ m/(.)/g) {
my $ch = $1;
given ($ch) {
when ('\\') {
if($escaped == 0) {
$escaped = 1;
next;
}
}
if($state == NORMAL) {
when ($_ eq '"' and not $escaped) {
$state = DOUBLE_QUOTED;
}
when ($_ eq "'" and not $escaped) {
$state = SINGLE_QUOTED;
}
when ($_ eq 'n' and $escaped == 1) {
$ch = "\n";
$escaped = 0;
}
}
if($state == DOUBLE_QUOTED) {
when ($_ eq '"' and not $escaped) {
$state = NORMAL;
}
}
if($state == SINGLE_QUOTED) {
when ($_ eq "'" and not $escaped) {
$state = NORMAL;
}
}
}
$new_code .= '\\' and $escaped = 0 if $escaped;
$new_code .= $ch;
}
$code = $new_code;
print "code after: [$code]\n" if $debug;
@ -703,8 +758,7 @@ print "after func extract, code: [$code]\n" if $debug;
$code =~ s/\|n/\n/g;
$code =~ s/^\s+//;
$code =~ s/\s+$//;
$code =~ s/;\n;\n/;\n/g;
$code =~ s/^\s*;\s*$//gms;
$code =~ s/;\s+;\n/;\n/gs;
my $single_quote = 0;
my $double_quote = 0;
@ -828,9 +882,11 @@ if($output =~ m/^\s*$/) {
$output =~ s/compilation terminated.//;
$output =~ s/<'(.)' = char>/<'$1' = int>/g;
$output =~ s/, <incomplete sequence >//g;
$output =~ s/\s*warning: shadowed declaration is here \[-Wshadow\]//g;
$output =~ s/preprocessor macro>\s+<at\s+>/preprocessor macro>/g;
# remove duplicate warnings/infos
$output =~ s/(warning: .*?\s)\1/$1/g;
$output =~ s/(\[*.*warning:.*?\s*)\1/$1/g;
$output =~ s/(info: .*?\s)\1/$1/g;
$output =~ s/^\[\s+(warning:|info:)/[$1/; # remove leading spaces in first warning/info