Add calcrom discord webhook to travis

.travis.yml

@@ -26,3 +26,5 @@ matrix:
       script:
         - ./build_tools.sh
         - make -j2 compare
+after_success:
+  - .travis/calcrom/webhook.sh pokeemerald

.travis/calcrom/calcrom.pl

@@ -0,0 +1,37 @@
+#!/usr/bin/perl
+
+(@ARGV == 1)
+    or die "ERROR: no map file specified.\n";
+open(my $file, $ARGV[0])
+    or die "ERROR: could not open file '$ARGV[0]'.\n";
+
+my $src = 0;
+my $asm = 0;
+while (my $line = <$file>)
+{
+    if ($line =~ /^ \.(\w+)\s+0x[0-9a-f]+\s+(0x[0-9a-f]+) (\w+)\/.+\.o/)
+    {
+        my $section = $1;
+        my $size = hex($2);
+        my $dir = $3;
+
+        if ($section =~ /text/)
+        {
+            if ($dir eq 'src')
+            {
+                $src += $size;
+            }
+            elsif ($dir eq 'asm')
+            {
+                $asm += $size;
+            }
+        }
+    }
+}
+
+my $total = $src + $asm;
+my $srcPct = sprintf("%.4f", 100 * $src / $total);
+my $asmPct = sprintf("%.4f", 100 * $asm / $total);
+print "$total total bytes of code\n";
+print "$src bytes of code in src ($srcPct%)\n";
+print "$asm bytes of code in asm ($asmPct%)\n";

.travis/calcrom/webhook.sh

@@ -0,0 +1,16 @@
+#!/bin/bash -ex
+
+# Only run this script if it's the master branch build.
+if [[ "$TRAVIS_BRANCH" != "master" || "$TRAVIS_PULL_REQUEST" != "false" ]]; then
+  exit 0
+fi
+
+build_name=$1
+map_file=$build_name.map
+if [ ! -f $map_file ]; then
+  echo "$map_file does not exist!"
+  exit 1
+fi
+
+output=$(perl $(dirname "$0")/calcrom.pl $build_name.map | sed -E ':a;N;$!ba;s/\r{0,1}\n/\\n/g')
+curl -d "{\"username\": \"OK\", \"avatar_url\": \"https://i.imgur.com/38BQHdd.png\", \"content\":\"\`\`\`$build_name progress:\\n$output\`\`\`\"}" -H "Content-Type: application/json" -X POST https://discordapp.com/api/webhooks/340931107060973570/$DISCORD_WEBHOOK_KEY