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encode_errors.pl

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#!/usr/bin/env perl

use warnings;

sub generateErrorsList

{

my $sourceFile = $_[0];

my $name = $_[1];

my $array = "const char * ${name} = \n";

open SOURCE, "<$sourceFile"

or die "Could not open \"$sourceFile\": $!";

my @lines = <SOURCE>;

close SOURCE;

my $found = 0;

foreach $line (@lines)

{

# If the first word of the line is "enum" we have found the error list

if ($line =~ /^\s*enum\s/)

{

$found = 1;

}

# Continue reading lines until we get to the enum

if (!$found)

{

next;

}

# End of the enum

if ($line =~ /};/)

{

last;

}

# The comment contains the error message for this error

if ($line =~ m|^\s*//\s*\{|)

{

# Remove the newline character

substr($line, -1) = "";

# Remove the prefix from the error message

$line =~ s|^\s*//\s*\{[^\}]*\}\s*|| ;

# Protect any quotation marks

$line =~ s/\"/\\\"/g ;

# Output the message

# tab & quote & line & "\n" & quote & return

$array .= "\t\"${line}\\n\"\n";

}

$array .= ";\n";

return $array;

}

# Need to generate the error lists for both the parse and execution errors

my $path = $ARGV[0];

my $outputFile = $ARGV[1];

my $output = "";

$output .= generateErrorsList("${path}/executionerrors.h", "MCexecutionerrors");

$output .= "\n";

$output .= generateErrorsList("${path}/parseerrors.h", "MCparsingerrors");

# Write out the error lists

open OUTPUT, ">$outputFile"

or die "Could not open output file \"$outputFile\": $!";

print OUTPUT $output;

close OUTPUT;