Renamed the 'dartc' launch script to 'dart-analysis' and adds it to dart-sdk

compiler/scripts/dart_analyzer.sh

 #!/bin/bash --posix
-# Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
+# Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 set -e
 
 SCRIPT_DIR=$(dirname $0)
-DARTC_HOME=$(dirname $SCRIPT_DIR)
-DARTC_LIBS=$DARTC_HOME/lib
-DARTC_SDK=$(dirname $DARTC_HOME)/dart-sdk
+DART_ANALYZER_HOME=$(dirname $SCRIPT_DIR)
+
+FOUND_BATCH=0
+FOUND_SDK=0
+for ARG in "$@"
+do
+  case $ARG in
+    -batch|--batch)
+      FOUND_BATCH=1
+      ;;
+    --dart-sdk)
+      FOUND_SDK=1
+      ;;
+    *)
+      ;;
+  esac
+done
+
+DART_SDK=""
+if [ $FOUND_SDK = 0 ] ; then
+  if [ -f $DART_ANALYZER_HOME/lib/core/core_runtime.dart ] ; then
+    DART_SDK="--dart-sdk $DART_ANALYZER_HOME"
+  else
+    DART_ANALYZER_HOME=$(dirname $DART_ANALYZER_HOME)/dart-sdk
+    if [ -d $DART_ANALYZER_HOME ] ; then
+      DART_SDK="--dart-sdk $DART_ANALYZER_HOME"
+    else
+      echo "Couldn't find Dart SDK. Specify with --dart-sdk cmdline argument"
+    fi
+  fi
+fi
+
+DART_ANALYZER_LIBS=$DART_ANALYZER_HOME/util/analyzer
 
 if [ -x /usr/libexec/java_home ]; then
   export JAVA_HOME=$(/usr/libexec/java_home -v '1.6+')
 fi
 
 EXTRA_JVMARGS="-Xss2M "
 OS=`uname | tr [A-Z] [a-z]`
 if [ "$OS" == "darwin" ] ; then
   # Bump up the heap on Mac VMs, some of which default to 128M or less.
   # Users can specify DART_JVMARGS in the environment to override
   # this setting. Force to 32 bit client vm. 64 bit and server VM make for 
   # poor performance.
   EXTRA_JVMARGS+=" -Xmx256M -client -d32 "
 else
   # On other architectures
   # -batch invocations will do better with a server vm
   # invocations for analyzing a single file do better with a client vm
-  FOUND_BATCH=0
-  for ARG in "$@"
-  do
-    case $ARG in
-      -batch|--batch)
-        FOUND_BATCH=1
-        ;;
-      *)
-        ;;
-    esac
-  done
   if [ $FOUND_BATCH = 0 ] ; then
     EXTRA_JVMARGS+=" -client "
   fi
 fi
 
 exec java $EXTRA_JVMARGS $DART_JVMARGS -ea -classpath "@CLASSPATH@" \
-  com.google.dart.compiler.DartCompiler --dart-sdk ${DARTC_SDK} $@
+  com.google.dart.compiler.DartCompiler ${DART_SDK} $@